Merge git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi-misc-2.6

* git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi-misc-2.6: (137 commits)
  [SCSI] iscsi: bidi support for iscsi_tcp
  [SCSI] iscsi: bidi support at the generic libiscsi level
  [SCSI] iscsi: extended cdb support
  [SCSI] zfcp: Fix error handling for blocked unit for send FCP command
  [SCSI] zfcp: Remove zfcp_erp_wait from slave destory handler to fix deadlock
  [SCSI] zfcp: fix 31 bit compile warnings
  [SCSI] bsg: no need to set BSG_F_BLOCK bit in bsg_complete_all_commands
  [SCSI] bsg: remove minor in struct bsg_device
  [SCSI] bsg: use better helper list functions
  [SCSI] bsg: replace kobject_get with blk_get_queue
  [SCSI] bsg: takes a ref to struct device in fops->open
  [SCSI] qla1280: remove version check
  [SCSI] libsas: fix endianness bug in sas_ata
  [SCSI] zfcp: fix compiler warning caused by poking inside new semaphore (linux-next)
  [SCSI] aacraid: Do not describe check_reset parameter with its value
  [SCSI] aacraid: Fix down_interruptible() to check the return value
  [SCSI] sun3_scsi_vme: add MODULE_LICENSE
  [SCSI] st: rename flush_write_buffer()
  [SCSI] tgt: use KMEM_CACHE macro
  [SCSI] initio: fix big endian problems for auto request sense
  ...

133 files changed, 4873 insertions, 4389 deletions

diff --git a/Documentation/scsi/st.txt b/Documentation/scsi/st.txt
index b7be95b5bd24..40752602c050 100644
--- a/Documentation/scsi/st.txt
+++ b/Documentation/scsi/st.txt
@@ -2,7 +2,7 @@ This file contains brief information about the SCSI tape driver.
 The driver is currently maintained by Kai Mäkisara (email
 Kai.Makisara@kolumbus.fi)
 
-Last modified: Mon Mar  7 21:14:44 2005 by kai.makisara
+Last modified: Sun Feb 24 21:59:07 2008 by kai.makisara
 
 
 BASICS
@@ -133,6 +133,11 @@ the defaults set by the user. The value -1 means the default is not set. The
 file 'dev' contains the device numbers corresponding to this device. The links
 'device' and 'driver' point to the SCSI device and driver entries.
 
+Each directory also contains the entry 'options' which shows the currently
+enabled driver and mode options. The value in the file is a bit mask where the
+bit definitions are the same as those used with MTSETDRVBUFFER in setting the
+options.
+
 A link named 'tape' is made from the SCSI device directory to the class
 directory corresponding to the mode 0 auto-rewind device (e.g., st0). 
 
@@ -372,6 +377,11 @@ MTSETDRVBUFFER
 	     MT_ST_SYSV sets the SYSV semantics (mode)
 	     MT_ST_NOWAIT enables immediate mode (i.e., don't wait for
 	        the command to finish) for some commands (e.g., rewind)
+	     MT_ST_SILI enables setting the SILI bit in SCSI commands when
+		reading in variable block mode to enhance performance when
+		reading blocks shorter than the byte count; set this only
+		if you are sure that the drive supports SILI and the HBA
+		correctly returns transfer residuals
 	     MT_ST_DEBUGGING debugging (global; debugging must be
 		compiled into the driver)
 	MT_ST_SETBOOLEANS
diff --git a/arch/ia64/hp/sim/simscsi.c b/arch/ia64/hp/sim/simscsi.c
index 7661bb065fa5..3a078ad3aa44 100644
--- a/arch/ia64/hp/sim/simscsi.c
+++ b/arch/ia64/hp/sim/simscsi.c
@@ -201,22 +201,6 @@ simscsi_readwrite10 (struct scsi_cmnd *sc, int mode)
 	simscsi_sg_readwrite(sc, mode, offset);
 }
 
-static void simscsi_fillresult(struct scsi_cmnd *sc, char *buf, unsigned len)
-{
-
-	int i;
-	unsigned thislen;
-	struct scatterlist *slp;
-
-	scsi_for_each_sg(sc, slp, scsi_sg_count(sc), i) {
-		if (!len)
-			break;
-		thislen = min(len, slp->length);
-		memcpy(sg_virt(slp), buf, thislen);
-		len -= thislen;
-	}
-}
-
 static int
 simscsi_queuecommand (struct scsi_cmnd *sc, void (*done)(struct scsi_cmnd *))
 {
@@ -258,7 +242,7 @@ simscsi_queuecommand (struct scsi_cmnd *sc, void (*done)(struct scsi_cmnd *))
 			buf[6] = 0;	/* reserved */
 			buf[7] = 0;	/* various flags */
 			memcpy(buf + 8, "HP      SIMULATED DISK  0.00",  28);
-			simscsi_fillresult(sc, buf, 36);
+			scsi_sg_copy_from_buffer(sc, buf, 36);
 			sc->result = GOOD;
 			break;
 
@@ -306,14 +290,15 @@ simscsi_queuecommand (struct scsi_cmnd *sc, void (*done)(struct scsi_cmnd *))
 			buf[5] = 0;
 			buf[6] = 2;
 			buf[7] = 0;
-			simscsi_fillresult(sc, buf, 8);
+			scsi_sg_copy_from_buffer(sc, buf, 8);
 			sc->result = GOOD;
 			break;
 
 		      case MODE_SENSE:
 		      case MODE_SENSE_10:
 			/* sd.c uses this to determine whether disk does write-caching. */
-			simscsi_fillresult(sc, (char *)empty_zero_page, scsi_bufflen(sc));
+			scsi_sg_copy_from_buffer(sc, (char *)empty_zero_page,
+						 PAGE_SIZE);
 			sc->result = GOOD;
 			break;
 
diff --git a/block/bsg.c b/block/bsg.c
index 8917c5174dc2..302ac1f5af39 100644
--- a/block/bsg.c
+++ b/block/bsg.c
@@ -37,7 +37,6 @@ struct bsg_device {
 	struct list_head done_list;
 	struct hlist_node dev_list;
 	atomic_t ref_count;
-	int minor;
 	int queued_cmds;
 	int done_cmds;
 	wait_queue_head_t wq_done;
@@ -368,7 +367,7 @@ static struct bsg_command *bsg_next_done_cmd(struct bsg_device *bd)
 
 	spin_lock_irq(&bd->lock);
 	if (bd->done_cmds) {
-		bc = list_entry(bd->done_list.next, struct bsg_command, list);
+		bc = list_first_entry(&bd->done_list, struct bsg_command, list);
 		list_del(&bc->list);
 		bd->done_cmds--;
 	}
@@ -468,8 +467,6 @@ static int bsg_complete_all_commands(struct bsg_device *bd)
 
 	dprintk("%s: entered\n", bd->name);
 
-	set_bit(BSG_F_BLOCK, &bd->flags);
-
 	/*
 	 * wait for all commands to complete
 	 */
@@ -705,6 +702,7 @@ static struct bsg_device *bsg_alloc_device(void)
 static int bsg_put_device(struct bsg_device *bd)
 {
 	int ret = 0;
+	struct device *dev = bd->queue->bsg_dev.dev;
 
 	mutex_lock(&bsg_mutex);
 
@@ -730,6 +728,7 @@ static int bsg_put_device(struct bsg_device *bd)
 	kfree(bd);
 out:
 	mutex_unlock(&bsg_mutex);
+	put_device(dev);
 	return ret;
 }
 
@@ -738,22 +737,26 @@ static struct bsg_device *bsg_add_device(struct inode *inode,
 					 struct file *file)
 {
 	struct bsg_device *bd;
+	int ret;
 #ifdef BSG_DEBUG
 	unsigned char buf[32];
 #endif
+	ret = blk_get_queue(rq);
+	if (ret)
+		return ERR_PTR(-ENXIO);
 
 	bd = bsg_alloc_device();
-	if (!bd)
+	if (!bd) {
+		blk_put_queue(rq);
 		return ERR_PTR(-ENOMEM);
+	}
 
 	bd->queue = rq;
-	kobject_get(&rq->kobj);
 	bsg_set_block(bd, file);
 
 	atomic_set(&bd->ref_count, 1);
-	bd->minor = iminor(inode);
 	mutex_lock(&bsg_mutex);
-	hlist_add_head(&bd->dev_list, bsg_dev_idx_hash(bd->minor));
+	hlist_add_head(&bd->dev_list, bsg_dev_idx_hash(iminor(inode)));
 
 	strncpy(bd->name, rq->bsg_dev.class_dev->class_id, sizeof(bd->name) - 1);
 	dprintk("bound to <%s>, max queue %d\n",
@@ -763,23 +766,21 @@ static struct bsg_device *bsg_add_device(struct inode *inode,
 	return bd;
 }
 
-static struct bsg_device *__bsg_get_device(int minor)
+static struct bsg_device *__bsg_get_device(int minor, struct request_queue *q)
 {
-	struct bsg_device *bd = NULL;
+	struct bsg_device *bd;
 	struct hlist_node *entry;
 
 	mutex_lock(&bsg_mutex);
 
-	hlist_for_each(entry, bsg_dev_idx_hash(minor)) {
-		bd = hlist_entry(entry, struct bsg_device, dev_list);
-		if (bd->minor == minor) {
+	hlist_for_each_entry(bd, entry, bsg_dev_idx_hash(minor), dev_list) {
+		if (bd->queue == q) {
 			atomic_inc(&bd->ref_count);
-			break;
+			goto found;
 		}
-
-		bd = NULL;
 	}
-
+	bd = NULL;
+found:
 	mutex_unlock(&bsg_mutex);
 	return bd;
 }
@@ -789,21 +790,27 @@ static struct bsg_device *bsg_get_device(struct inode *inode, struct file *file)
 	struct bsg_device *bd;
 	struct bsg_class_device *bcd;
 
-	bd = __bsg_get_device(iminor(inode));
-	if (bd)
-		return bd;
-
 	/*
 	 * find the class device
 	 */
 	mutex_lock(&bsg_mutex);
 	bcd = idr_find(&bsg_minor_idr, iminor(inode));
+	if (bcd)
+		get_device(bcd->dev);
 	mutex_unlock(&bsg_mutex);
 
 	if (!bcd)
 		return ERR_PTR(-ENODEV);
 
-	return bsg_add_device(inode, bcd->queue, file);
+	bd = __bsg_get_device(iminor(inode), bcd->queue);
+	if (bd)
+		return bd;
+
+	bd = bsg_add_device(inode, bcd->queue, file);
+	if (IS_ERR(bd))
+		put_device(bcd->dev);
+
+	return bd;
 }
 
 static int bsg_open(struct inode *inode, struct file *file)
@@ -942,7 +949,6 @@ void bsg_unregister_queue(struct request_queue *q)
 	class_device_unregister(bcd->class_dev);
 	put_device(bcd->dev);
 	bcd->class_dev = NULL;
-	bcd->dev = NULL;
 	mutex_unlock(&bsg_mutex);
 }
 EXPORT_SYMBOL_GPL(bsg_unregister_queue);
diff --git a/drivers/ata/libata-scsi.c b/drivers/ata/libata-scsi.c
index c16e3cea1d28..f3c69a8c1103 100644
--- a/drivers/ata/libata-scsi.c
+++ b/drivers/ata/libata-scsi.c
@@ -2332,11 +2332,7 @@ void ata_scsi_set_sense(struct scsi_cmnd *cmd, u8 sk, u8 asc, u8 ascq)
 {
 	cmd->result = (DRIVER_SENSE << 24) | SAM_STAT_CHECK_CONDITION;
 
-	cmd->sense_buffer[0] = 0x70;	/* fixed format, current */
-	cmd->sense_buffer[2] = sk;
-	cmd->sense_buffer[7] = 18 - 8;	/* additional sense length */
-	cmd->sense_buffer[12] = asc;
-	cmd->sense_buffer[13] = ascq;
+	scsi_build_sense_buffer(0, cmd->sense_buffer, sk, asc, ascq);
 }
 
 /**
diff --git a/drivers/base/transport_class.c b/drivers/base/transport_class.c
index 40bca48abc12..cabd0edf2156 100644
--- a/drivers/base/transport_class.c
+++ b/drivers/base/transport_class.c
@@ -108,7 +108,8 @@ EXPORT_SYMBOL_GPL(anon_transport_class_register);
  */
 void anon_transport_class_unregister(struct anon_transport_class *atc)
 {
-	attribute_container_unregister(&atc->container);
+	if (unlikely(attribute_container_unregister(&atc->container)))
+		BUG();
 }
 EXPORT_SYMBOL_GPL(anon_transport_class_unregister);
 
diff --git a/drivers/message/fusion/mptbase.c b/drivers/message/fusion/mptbase.c
index c6be6eba7dc3..db3c892f87fb 100644
--- a/drivers/message/fusion/mptbase.c
+++ b/drivers/message/fusion/mptbase.c
@@ -79,7 +79,7 @@ MODULE_VERSION(my_VERSION);
 /*
  *  cmd line parameters
  */
-static int mpt_msi_enable;
+static int mpt_msi_enable = -1;
 module_param(mpt_msi_enable, int, 0);
 MODULE_PARM_DESC(mpt_msi_enable, " MSI Support Enable (default=0)");
 
@@ -1686,6 +1686,11 @@ mpt_attach(struct pci_dev *pdev, const struct pci_device_id *id)
 		ioc->bus_type = SAS;
 	}
 
+	if (ioc->bus_type == SAS && mpt_msi_enable == -1)
+		ioc->msi_enable = 1;
+	else
+		ioc->msi_enable = mpt_msi_enable;
+
 	if (ioc->errata_flag_1064)
 		pci_disable_io_access(pdev);
 
@@ -1831,7 +1836,7 @@ mpt_suspend(struct pci_dev *pdev, pm_message_t state)
 	CHIPREG_WRITE32(&ioc->chip->IntStatus, 0);
 
 	free_irq(ioc->pci_irq, ioc);
-	if (mpt_msi_enable)
+	if (ioc->msi_enable)
 		pci_disable_msi(ioc->pcidev);
 	ioc->pci_irq = -1;
 	pci_save_state(pdev);
@@ -2057,15 +2062,17 @@ mpt_do_ioc_recovery(MPT_ADAPTER *ioc, u32 reason, int sleepFlag)
 	if ((ret == 0) && (reason == MPT_HOSTEVENT_IOC_BRINGUP)) {
 		ioc->pci_irq = -1;
 		if (ioc->pcidev->irq) {
-			if (mpt_msi_enable && !pci_enable_msi(ioc->pcidev))
+			if (ioc->msi_enable && !pci_enable_msi(ioc->pcidev))
 				printk(MYIOC_s_INFO_FMT "PCI-MSI enabled\n",
 				    ioc->name);
+			else
+				ioc->msi_enable = 0;
 			rc = request_irq(ioc->pcidev->irq, mpt_interrupt,
 			    IRQF_SHARED, ioc->name, ioc);
 			if (rc < 0) {
 				printk(MYIOC_s_ERR_FMT "Unable to allocate "
 				    "interrupt %d!\n", ioc->name, ioc->pcidev->irq);
-				if (mpt_msi_enable)
+				if (ioc->msi_enable)
 					pci_disable_msi(ioc->pcidev);
 				return -EBUSY;
 			}
@@ -2173,7 +2180,7 @@ mpt_do_ioc_recovery(MPT_ADAPTER *ioc, u32 reason, int sleepFlag)
 		/*
 		 * Initalize link list for inactive raid volumes.
 		 */
-		init_MUTEX(&ioc->raid_data.inactive_list_mutex);
+		mutex_init(&ioc->raid_data.inactive_list_mutex);
 		INIT_LIST_HEAD(&ioc->raid_data.inactive_list);
 
 		if (ioc->bus_type == SAS) {
@@ -2261,7 +2268,7 @@ mpt_do_ioc_recovery(MPT_ADAPTER *ioc, u32 reason, int sleepFlag)
  out:
 	if ((ret != 0) && irq_allocated) {
 		free_irq(ioc->pci_irq, ioc);
-		if (mpt_msi_enable)
+		if (ioc->msi_enable)
 			pci_disable_msi(ioc->pcidev);
 	}
 	return ret;
@@ -2443,7 +2450,7 @@ mpt_adapter_dispose(MPT_ADAPTER *ioc)
 
 	if (ioc->pci_irq != -1) {
 		free_irq(ioc->pci_irq, ioc);
-		if (mpt_msi_enable)
+		if (ioc->msi_enable)
 			pci_disable_msi(ioc->pcidev);
 		ioc->pci_irq = -1;
 	}
@@ -5159,13 +5166,13 @@ mpt_inactive_raid_list_free(MPT_ADAPTER *ioc)
 	if (list_empty(&ioc->raid_data.inactive_list))
 		return;
 
-	down(&ioc->raid_data.inactive_list_mutex);
+	mutex_lock(&ioc->raid_data.inactive_list_mutex);
 	list_for_each_entry_safe(component_info, pNext,
 	    &ioc->raid_data.inactive_list, list) {
 		list_del(&component_info->list);
 		kfree(component_info);
 	}
-	up(&ioc->raid_data.inactive_list_mutex);
+	mutex_unlock(&ioc->raid_data.inactive_list_mutex);
 }
 
 /**
@@ -5224,7 +5231,7 @@ mpt_inactive_raid_volumes(MPT_ADAPTER *ioc, u8 channel, u8 id)
 	if (!handle_inactive_volumes)
 		goto out;
 
-	down(&ioc->raid_data.inactive_list_mutex);
+	mutex_lock(&ioc->raid_data.inactive_list_mutex);
 	for (i = 0; i < buffer->NumPhysDisks; i++) {
 		if(mpt_raid_phys_disk_pg0(ioc,
 		    buffer->PhysDisk[i].PhysDiskNum, &phys_disk) != 0)
@@ -5244,7 +5251,7 @@ mpt_inactive_raid_volumes(MPT_ADAPTER *ioc, u8 channel, u8 id)
 		list_add_tail(&component_info->list,
 		    &ioc->raid_data.inactive_list);
 	}
-	up(&ioc->raid_data.inactive_list_mutex);
+	mutex_unlock(&ioc->raid_data.inactive_list_mutex);
 
  out:
 	if (buffer)
diff --git a/drivers/message/fusion/mptbase.h b/drivers/message/fusion/mptbase.h
index caadc68c3000..a8f617447d22 100644
--- a/drivers/message/fusion/mptbase.h
+++ b/drivers/message/fusion/mptbase.h
@@ -51,6 +51,7 @@
 
 #include <linux/kernel.h>
 #include <linux/pci.h>
+#include <linux/mutex.h>
 
 #include "lsi/mpi_type.h"
 #include "lsi/mpi.h"		/* Fusion MPI(nterface) basic defs */
@@ -531,7 +532,7 @@ struct inactive_raid_component_info {
 typedef	struct _RaidCfgData {
 	IOCPage2_t	*pIocPg2;		/* table of Raid Volumes */
 	IOCPage3_t	*pIocPg3;		/* table of physical disks */
-	struct semaphore	inactive_list_mutex;
+	struct mutex	inactive_list_mutex;
 	struct list_head	inactive_list; /* link list for physical
 						disk that belong in
 						inactive volumes */
@@ -630,6 +631,7 @@ typedef struct _MPT_ADAPTER
 	int			 mtrr_reg;
 	struct pci_dev		*pcidev;	/* struct pci_dev pointer */
 	int			bars;		/* bitmask of BAR's that must be configured */
+	int			msi_enable;
 	u8			__iomem *memmap;	/* mmap address */
 	struct Scsi_Host	*sh;		/* Scsi Host pointer */
 	SpiCfgData		spi_data;	/* Scsi config. data */
@@ -693,7 +695,6 @@ typedef struct _MPT_ADAPTER
 	struct mutex		 sas_discovery_mutex;
 	u8			 sas_discovery_runtime;
 	u8			 sas_discovery_ignore_events;
-	u16			 handle;
 	int			 sas_index; /* index refrencing */
 	MPT_SAS_MGMT		 sas_mgmt;
 	struct work_struct	 sas_persist_task;
diff --git a/drivers/message/fusion/mptsas.c b/drivers/message/fusion/mptsas.c
index 78734e25edd5..468480771f13 100644
--- a/drivers/message/fusion/mptsas.c
+++ b/drivers/message/fusion/mptsas.c
@@ -230,6 +230,20 @@ static inline MPT_ADAPTER *rphy_to_ioc(struct sas_rphy *rphy)
 	return ((MPT_SCSI_HOST *)shost->hostdata)->ioc;
 }
 
+static struct mptsas_portinfo *
+mptsas_get_hba_portinfo(MPT_ADAPTER *ioc)
+{
+	struct list_head	*head = &ioc->sas_topology;
+	struct mptsas_portinfo	*pi = NULL;
+
+	/* always the first entry on sas_topology list */
+
+	if (!list_empty(head))
+		pi = list_entry(head->next, struct mptsas_portinfo, list);
+
+	return pi;
+}
+
 /*
  * mptsas_find_portinfo_by_handle
  *
@@ -1290,7 +1304,7 @@ static int mptsas_smp_handler(struct Scsi_Host *shost, struct sas_rphy *rphy,
 		struct mptsas_portinfo *port_info;
 
 		mutex_lock(&ioc->sas_topology_mutex);
-		port_info = mptsas_find_portinfo_by_handle(ioc, ioc->handle);
+		port_info = mptsas_get_hba_portinfo(ioc);
 		if (port_info && port_info->phy_info)
 			sas_address =
 				port_info->phy_info[0].phy->identify.sas_address;
@@ -2028,8 +2042,7 @@ static int mptsas_probe_one_phy(struct device *dev,
 			int i;
 
 			mutex_lock(&ioc->sas_topology_mutex);
-			port_info = mptsas_find_portinfo_by_handle(ioc,
-								   ioc->handle);
+			port_info = mptsas_get_hba_portinfo(ioc);
 			mutex_unlock(&ioc->sas_topology_mutex);
 
 			for (i = 0; i < port_info->num_phys; i++)
@@ -2099,8 +2112,7 @@ mptsas_probe_hba_phys(MPT_ADAPTER *ioc)
 
 	mptsas_sas_io_unit_pg1(ioc);
 	mutex_lock(&ioc->sas_topology_mutex);
-	ioc->handle = hba->phy_info[0].handle;
-	port_info = mptsas_find_portinfo_by_handle(ioc, ioc->handle);
+	port_info = mptsas_get_hba_portinfo(ioc);
 	if (!port_info) {
 		port_info = hba;
 		list_add_tail(&port_info->list, &ioc->sas_topology);
diff --git a/drivers/message/fusion/mptscsih.c b/drivers/message/fusion/mptscsih.c
index c207bda6723b..89c63147a15d 100644
--- a/drivers/message/fusion/mptscsih.c
+++ b/drivers/message/fusion/mptscsih.c
@@ -2304,14 +2304,14 @@ mptscsih_is_phys_disk(MPT_ADAPTER *ioc, u8 channel, u8 id)
 	if (list_empty(&ioc->raid_data.inactive_list))
 		goto out;
 
-	down(&ioc->raid_data.inactive_list_mutex);
+	mutex_lock(&ioc->raid_data.inactive_list_mutex);
 	list_for_each_entry(component_info, &ioc->raid_data.inactive_list,
 	    list) {
 		if ((component_info->d.PhysDiskID == id) &&
 		    (component_info->d.PhysDiskBus == channel))
 			rc = 1;
 	}
-	up(&ioc->raid_data.inactive_list_mutex);
+	mutex_unlock(&ioc->raid_data.inactive_list_mutex);
 
  out:
 	return rc;
@@ -2341,14 +2341,14 @@ mptscsih_raid_id_to_num(MPT_ADAPTER *ioc, u8 channel, u8 id)
 	if (list_empty(&ioc->raid_data.inactive_list))
 		goto out;
 
-	down(&ioc->raid_data.inactive_list_mutex);
+	mutex_lock(&ioc->raid_data.inactive_list_mutex);
 	list_for_each_entry(component_info, &ioc->raid_data.inactive_list,
 	    list) {
 		if ((component_info->d.PhysDiskID == id) &&
 		    (component_info->d.PhysDiskBus == channel))
 			rc = component_info->d.PhysDiskNum;
 	}
-	up(&ioc->raid_data.inactive_list_mutex);
+	mutex_unlock(&ioc->raid_data.inactive_list_mutex);
 
  out:
 	return rc;
diff --git a/drivers/s390/scsi/zfcp_aux.c b/drivers/s390/scsi/zfcp_aux.c
index 874b55ed00a3..8c7e2b778ef1 100644
--- a/drivers/s390/scsi/zfcp_aux.c
+++ b/drivers/s390/scsi/zfcp_aux.c
@@ -1030,10 +1030,10 @@ zfcp_adapter_enqueue(struct ccw_device *ccw_device)
 
 	/* initialize debug locks */
 
-	spin_lock_init(&adapter->erp_dbf_lock);
 	spin_lock_init(&adapter->hba_dbf_lock);
 	spin_lock_init(&adapter->san_dbf_lock);
 	spin_lock_init(&adapter->scsi_dbf_lock);
+	spin_lock_init(&adapter->rec_dbf_lock);
 
 	retval = zfcp_adapter_debug_register(adapter);
 	if (retval)
@@ -1325,10 +1325,10 @@ zfcp_nameserver_enqueue(struct zfcp_adapter *adapter)
 
 #define ZFCP_LOG_AREA                   ZFCP_LOG_AREA_FC
 
-static void
-zfcp_fsf_incoming_els_rscn(struct zfcp_adapter *adapter,
-			   struct fsf_status_read_buffer *status_buffer)
+static void zfcp_fsf_incoming_els_rscn(struct zfcp_fsf_req *fsf_req)
 {
+	struct fsf_status_read_buffer *status_buffer = (void*)fsf_req->data;
+	struct zfcp_adapter *adapter = fsf_req->adapter;
 	struct fcp_rscn_head *fcp_rscn_head;
 	struct fcp_rscn_element *fcp_rscn_element;
 	struct zfcp_port *port;
@@ -1375,7 +1375,8 @@ zfcp_fsf_incoming_els_rscn(struct zfcp_adapter *adapter,
 				ZFCP_LOG_INFO("incoming RSCN, trying to open "
 					      "port 0x%016Lx\n", port->wwpn);
 				zfcp_erp_port_reopen(port,
-						     ZFCP_STATUS_COMMON_ERP_FAILED);
+						     ZFCP_STATUS_COMMON_ERP_FAILED,
+						     82, fsf_req);
 				continue;
 			}
 
@@ -1406,10 +1407,10 @@ zfcp_fsf_incoming_els_rscn(struct zfcp_adapter *adapter,
 	}
 }
 
-static void
-zfcp_fsf_incoming_els_plogi(struct zfcp_adapter *adapter,
-			    struct fsf_status_read_buffer *status_buffer)
+static void zfcp_fsf_incoming_els_plogi(struct zfcp_fsf_req *fsf_req)
 {
+	struct fsf_status_read_buffer *status_buffer = (void*)fsf_req->data;
+	struct zfcp_adapter *adapter = fsf_req->adapter;
 	struct fsf_plogi *els_plogi;
 	struct zfcp_port *port;
 	unsigned long flags;
@@ -1428,14 +1429,14 @@ zfcp_fsf_incoming_els_plogi(struct zfcp_adapter *adapter,
 			       status_buffer->d_id,
 			       zfcp_get_busid_by_adapter(adapter));
 	} else {
-		zfcp_erp_port_forced_reopen(port, 0);
+		zfcp_erp_port_forced_reopen(port, 0, 83, fsf_req);
 	}
 }
 
-static void
-zfcp_fsf_incoming_els_logo(struct zfcp_adapter *adapter,
-			   struct fsf_status_read_buffer *status_buffer)
+static void zfcp_fsf_incoming_els_logo(struct zfcp_fsf_req *fsf_req)
 {
+	struct fsf_status_read_buffer *status_buffer = (void*)fsf_req->data;
+	struct zfcp_adapter *adapter = fsf_req->adapter;
 	struct fcp_logo *els_logo = (struct fcp_logo *) status_buffer->payload;
 	struct zfcp_port *port;
 	unsigned long flags;
@@ -1453,7 +1454,7 @@ zfcp_fsf_incoming_els_logo(struct zfcp_adapter *adapter,
 			       status_buffer->d_id,
 			       zfcp_get_busid_by_adapter(adapter));
 	} else {
-		zfcp_erp_port_forced_reopen(port, 0);
+		zfcp_erp_port_forced_reopen(port, 0, 84, fsf_req);
 	}
 }
 
@@ -1480,12 +1481,12 @@ zfcp_fsf_incoming_els(struct zfcp_fsf_req *fsf_req)
 
 	zfcp_san_dbf_event_incoming_els(fsf_req);
 	if (els_type == LS_PLOGI)
-		zfcp_fsf_incoming_els_plogi(adapter, status_buffer);
+		zfcp_fsf_incoming_els_plogi(fsf_req);
 	else if (els_type == LS_LOGO)
-		zfcp_fsf_incoming_els_logo(adapter, status_buffer);
+		zfcp_fsf_incoming_els_logo(fsf_req);
 	else if ((els_type & 0xffff0000) == LS_RSCN)
 		/* we are only concerned with the command, not the length */
-		zfcp_fsf_incoming_els_rscn(adapter, status_buffer);
+		zfcp_fsf_incoming_els_rscn(fsf_req);
 	else
 		zfcp_fsf_incoming_els_unknown(adapter, status_buffer);
 }
diff --git a/drivers/s390/scsi/zfcp_ccw.c b/drivers/s390/scsi/zfcp_ccw.c
index edc5015e920d..66d3b88844b0 100644
--- a/drivers/s390/scsi/zfcp_ccw.c
+++ b/drivers/s390/scsi/zfcp_ccw.c
@@ -170,9 +170,10 @@ zfcp_ccw_set_online(struct ccw_device *ccw_device)
 	BUG_ON(!zfcp_reqlist_isempty(adapter));
 	adapter->req_no = 0;
 
-	zfcp_erp_modify_adapter_status(adapter, ZFCP_STATUS_COMMON_RUNNING,
-				       ZFCP_SET);
-	zfcp_erp_adapter_reopen(adapter, ZFCP_STATUS_COMMON_ERP_FAILED);
+	zfcp_erp_modify_adapter_status(adapter, 10, NULL,
+				       ZFCP_STATUS_COMMON_RUNNING, ZFCP_SET);
+	zfcp_erp_adapter_reopen(adapter, ZFCP_STATUS_COMMON_ERP_FAILED, 85,
+				NULL);
 	zfcp_erp_wait(adapter);
 	goto out;
 
@@ -197,7 +198,7 @@ zfcp_ccw_set_offline(struct ccw_device *ccw_device)
 
 	down(&zfcp_data.config_sema);
 	adapter = dev_get_drvdata(&ccw_device->dev);
-	zfcp_erp_adapter_shutdown(adapter, 0);
+	zfcp_erp_adapter_shutdown(adapter, 0, 86, NULL);
 	zfcp_erp_wait(adapter);
 	zfcp_erp_thread_kill(adapter);
 	up(&zfcp_data.config_sema);
@@ -223,24 +224,21 @@ zfcp_ccw_notify(struct ccw_device *ccw_device, int event)
 	case CIO_GONE:
 		ZFCP_LOG_NORMAL("adapter %s: device gone\n",
 				zfcp_get_busid_by_adapter(adapter));
-		debug_text_event(adapter->erp_dbf,1,"dev_gone");
-		zfcp_erp_adapter_shutdown(adapter, 0);
+		zfcp_erp_adapter_shutdown(adapter, 0, 87, NULL);
 		break;
 	case CIO_NO_PATH:
 		ZFCP_LOG_NORMAL("adapter %s: no path\n",
 				zfcp_get_busid_by_adapter(adapter));
-		debug_text_event(adapter->erp_dbf,1,"no_path");
-		zfcp_erp_adapter_shutdown(adapter, 0);
+		zfcp_erp_adapter_shutdown(adapter, 0, 88, NULL);
 		break;
 	case CIO_OPER:
 		ZFCP_LOG_NORMAL("adapter %s: operational again\n",
 				zfcp_get_busid_by_adapter(adapter));
-		debug_text_event(adapter->erp_dbf,1,"dev_oper");
-		zfcp_erp_modify_adapter_status(adapter,
+		zfcp_erp_modify_adapter_status(adapter, 11, NULL,
 					       ZFCP_STATUS_COMMON_RUNNING,
 					       ZFCP_SET);
-		zfcp_erp_adapter_reopen(adapter,
-					ZFCP_STATUS_COMMON_ERP_FAILED);
+		zfcp_erp_adapter_reopen(adapter, ZFCP_STATUS_COMMON_ERP_FAILED,
+					89, NULL);
 		break;
 	}
 	zfcp_erp_wait(adapter);
@@ -272,7 +270,7 @@ zfcp_ccw_shutdown(struct ccw_device *cdev)
 
 	down(&zfcp_data.config_sema);
 	adapter = dev_get_drvdata(&cdev->dev);
-	zfcp_erp_adapter_shutdown(adapter, 0);
+	zfcp_erp_adapter_shutdown(adapter, 0, 90, NULL);
 	zfcp_erp_wait(adapter);
 	up(&zfcp_data.config_sema);
 }
diff --git a/drivers/s390/scsi/zfcp_dbf.c b/drivers/s390/scsi/zfcp_dbf.c
index 701046c9bb33..37b85c67b11d 100644
--- a/drivers/s390/scsi/zfcp_dbf.c
+++ b/drivers/s390/scsi/zfcp_dbf.c
@@ -31,123 +31,128 @@ MODULE_PARM_DESC(dbfsize,
 
 #define ZFCP_LOG_AREA			ZFCP_LOG_AREA_OTHER
 
-static int
-zfcp_dbf_stck(char *out_buf, const char *label, unsigned long long stck)
+static void zfcp_dbf_hexdump(debug_info_t *dbf, void *to, int to_len,
+			     int level, char *from, int from_len)
+{
+	int offset;
+	struct zfcp_dbf_dump *dump = to;
+	int room = to_len - sizeof(*dump);
+
+	for (offset = 0; offset < from_len; offset += dump->size) {
+		memset(to, 0, to_len);
+		strncpy(dump->tag, "dump", ZFCP_DBF_TAG_SIZE);
+		dump->total_size = from_len;
+		dump->offset = offset;
+		dump->size = min(from_len - offset, room);
+		memcpy(dump->data, from + offset, dump->size);
+		debug_event(dbf, level, dump, dump->size);
+	}
+}
+
+/* FIXME: this duplicate this code in s390 debug feature */
+static void zfcp_dbf_timestamp(unsigned long long stck, struct timespec *time)
 {
 	unsigned long long sec;
-	struct timespec dbftime;
-	int len = 0;
 
 	stck -= 0x8126d60e46000000LL - (0x3c26700LL * 1000000 * 4096);
 	sec = stck >> 12;
 	do_div(sec, 1000000);
-	dbftime.tv_sec = sec;
+	time->tv_sec = sec;
 	stck -= (sec * 1000000) << 12;
-	dbftime.tv_nsec = ((stck * 1000) >> 12);
-	len += sprintf(out_buf + len, "%-24s%011lu:%06lu\n",
-		       label, dbftime.tv_sec, dbftime.tv_nsec);
-
-	return len;
+	time->tv_nsec = ((stck * 1000) >> 12);
 }
 
-static int zfcp_dbf_tag(char *out_buf, const char *label, const char *tag)
+static void zfcp_dbf_tag(char **p, const char *label, const char *tag)
 {
-	int len = 0, i;
+	int i;
 
-	len += sprintf(out_buf + len, "%-24s", label);
+	*p += sprintf(*p, "%-24s", label);
 	for (i = 0; i < ZFCP_DBF_TAG_SIZE; i++)
-		len += sprintf(out_buf + len, "%c", tag[i]);
-	len += sprintf(out_buf + len, "\n");
+		*p += sprintf(*p, "%c", tag[i]);
+	*p += sprintf(*p, "\n");
+}
 
-	return len;
+static void zfcp_dbf_outs(char **buf, const char *s1, const char *s2)
+{
+	*buf += sprintf(*buf, "%-24s%s\n", s1, s2);
 }
 
-static int
-zfcp_dbf_view(char *out_buf, const char *label, const char *format, ...)
+static void zfcp_dbf_out(char **buf, const char *s, const char *format, ...)
 {
 	va_list arg;
-	int len = 0;
 
-	len += sprintf(out_buf + len, "%-24s", label);
+	*buf += sprintf(*buf, "%-24s", s);
 	va_start(arg, format);
-	len += vsprintf(out_buf + len, format, arg);
+	*buf += vsprintf(*buf, format, arg);
 	va_end(arg);
-	len += sprintf(out_buf + len, "\n");
-
-	return len;
+	*buf += sprintf(*buf, "\n");
 }
 
-static int
-zfcp_dbf_view_dump(char *out_buf, const char *label,
-		   char *buffer, int buflen, int offset, int total_size)
+static void zfcp_dbf_outd(char **p, const char *label, char *buffer,
+			  int buflen, int offset, int total_size)
 {
-	int len = 0;
-
-	if (offset == 0)
-		len += sprintf(out_buf + len, "%-24s  ", label);
-
+	if (!offset)
+		*p += sprintf(*p, "%-24s  ", label);
 	while (buflen--) {
 		if (offset > 0) {
 			if ((offset % 32) == 0)
-				len += sprintf(out_buf + len, "\n%-24c  ", ' ');
+				*p += sprintf(*p, "\n%-24c  ", ' ');
 			else if ((offset % 4) == 0)
-				len += sprintf(out_buf + len, " ");
+				*p += sprintf(*p, " ");
 		}
-		len += sprintf(out_buf + len, "%02x", *buffer++);
+		*p += sprintf(*p, "%02x", *buffer++);
 		if (++offset == total_size) {
-			len += sprintf(out_buf + len, "\n");
+			*p += sprintf(*p, "\n");
 			break;
 		}
 	}
-
-	if (total_size == 0)
-		len += sprintf(out_buf + len, "\n");
-
-	return len;
+	if (!total_size)
+		*p += sprintf(*p, "\n");
 }
 
-static int
-zfcp_dbf_view_header(debug_info_t * id, struct debug_view *view, int area,
-		     debug_entry_t * entry, char *out_buf)
+static int zfcp_dbf_view_header(debug_info_t *id, struct debug_view *view,
+				int area, debug_entry_t *entry, char *out_buf)
 {
 	struct zfcp_dbf_dump *dump = (struct zfcp_dbf_dump *)DEBUG_DATA(entry);
-	int len = 0;
+	struct timespec t;
+	char *p = out_buf;
 
 	if (strncmp(dump->tag, "dump", ZFCP_DBF_TAG_SIZE) != 0) {
-		len += zfcp_dbf_stck(out_buf + len, "timestamp",
-				     entry->id.stck);
-		len += zfcp_dbf_view(out_buf + len, "cpu", "%02i",
-				     entry->id.fields.cpuid);
-	} else {
-		len += zfcp_dbf_view_dump(out_buf + len, NULL,
-					  dump->data,
-					  dump->size,
-					  dump->offset, dump->total_size);
+		zfcp_dbf_timestamp(entry->id.stck, &t);
+		zfcp_dbf_out(&p, "timestamp", "%011lu:%06lu",
+			     t.tv_sec, t.tv_nsec);
+		zfcp_dbf_out(&p, "cpu", "%02i", entry->id.fields.cpuid);
+	} else	{
+		zfcp_dbf_outd(&p, NULL, dump->data, dump->size, dump->offset,
+			      dump->total_size);
 		if ((dump->offset + dump->size) == dump->total_size)
-			len += sprintf(out_buf + len, "\n");
+			p += sprintf(p, "\n");
 	}
-
-	return len;
+	return p - out_buf;
 }
 
+/**
+ * zfcp_hba_dbf_event_fsf_response - trace event for request completion
+ * @fsf_req: request that has been completed
+ */
 void zfcp_hba_dbf_event_fsf_response(struct zfcp_fsf_req *fsf_req)
 {
 	struct zfcp_adapter *adapter = fsf_req->adapter;
 	struct fsf_qtcb *qtcb = fsf_req->qtcb;
 	union fsf_prot_status_qual *prot_status_qual =
-	    &qtcb->prefix.prot_status_qual;
+					&qtcb->prefix.prot_status_qual;
 	union fsf_status_qual *fsf_status_qual = &qtcb->header.fsf_status_qual;
 	struct scsi_cmnd *scsi_cmnd;
 	struct zfcp_port *port;
 	struct zfcp_unit *unit;
 	struct zfcp_send_els *send_els;
 	struct zfcp_hba_dbf_record *rec = &adapter->hba_dbf_buf;
-	struct zfcp_hba_dbf_record_response *response = &rec->type.response;
+	struct zfcp_hba_dbf_record_response *response = &rec->u.response;
 	int level;
 	unsigned long flags;
 
 	spin_lock_irqsave(&adapter->hba_dbf_lock, flags);
-	memset(rec, 0, sizeof(struct zfcp_hba_dbf_record));
+	memset(rec, 0, sizeof(*rec));
 	strncpy(rec->tag, "resp", ZFCP_DBF_TAG_SIZE);
 
 	if ((qtcb->prefix.prot_status != FSF_PROT_GOOD) &&
@@ -161,6 +166,9 @@ void zfcp_hba_dbf_event_fsf_response(struct zfcp_fsf_req *fsf_req)
 		   (fsf_req->fsf_command == FSF_QTCB_OPEN_LUN)) {
 		strncpy(rec->tag2, "open", ZFCP_DBF_TAG_SIZE);
 		level = 4;
+	} else if (qtcb->header.log_length) {
+		strncpy(rec->tag2, "qtcb", ZFCP_DBF_TAG_SIZE);
+		level = 5;
 	} else {
 		strncpy(rec->tag2, "norm", ZFCP_DBF_TAG_SIZE);
 		level = 6;
@@ -188,11 +196,9 @@ void zfcp_hba_dbf_event_fsf_response(struct zfcp_fsf_req *fsf_req)
 		if (fsf_req->status & ZFCP_STATUS_FSFREQ_TASK_MANAGEMENT)
 			break;
 		scsi_cmnd = (struct scsi_cmnd *)fsf_req->data;
-		if (scsi_cmnd != NULL) {
-			response->data.send_fcp.scsi_cmnd
-			    = (unsigned long)scsi_cmnd;
-			response->data.send_fcp.scsi_serial
-			    = scsi_cmnd->serial_number;
+		if (scsi_cmnd) {
+			response->u.fcp.cmnd = (unsigned long)scsi_cmnd;
+			response->u.fcp.serial = scsi_cmnd->serial_number;
 		}
 		break;
 
@@ -200,25 +206,25 @@ void zfcp_hba_dbf_event_fsf_response(struct zfcp_fsf_req *fsf_req)
 	case FSF_QTCB_CLOSE_PORT:
 	case FSF_QTCB_CLOSE_PHYSICAL_PORT:
 		port = (struct zfcp_port *)fsf_req->data;
-		response->data.port.wwpn = port->wwpn;
-		response->data.port.d_id = port->d_id;
-		response->data.port.port_handle = qtcb->header.port_handle;
+		response->u.port.wwpn = port->wwpn;
+		response->u.port.d_id = port->d_id;
+		response->u.port.port_handle = qtcb->header.port_handle;
 		break;
 
 	case FSF_QTCB_OPEN_LUN:
 	case FSF_QTCB_CLOSE_LUN:
 		unit = (struct zfcp_unit *)fsf_req->data;
 		port = unit->port;
-		response->data.unit.wwpn = port->wwpn;
-		response->data.unit.fcp_lun = unit->fcp_lun;
-		response->data.unit.port_handle = qtcb->header.port_handle;
-		response->data.unit.lun_handle = qtcb->header.lun_handle;
+		response->u.unit.wwpn = port->wwpn;
+		response->u.unit.fcp_lun = unit->fcp_lun;
+		response->u.unit.port_handle = qtcb->header.port_handle;
+		response->u.unit.lun_handle = qtcb->header.lun_handle;
 		break;
 
 	case FSF_QTCB_SEND_ELS:
 		send_els = (struct zfcp_send_els *)fsf_req->data;
-		response->data.send_els.d_id = qtcb->bottom.support.d_id;
-		response->data.send_els.ls_code = send_els->ls_code >> 24;
+		response->u.els.d_id = qtcb->bottom.support.d_id;
+		response->u.els.ls_code = send_els->ls_code >> 24;
 		break;
 
 	case FSF_QTCB_ABORT_FCP_CMND:
@@ -230,39 +236,54 @@ void zfcp_hba_dbf_event_fsf_response(struct zfcp_fsf_req *fsf_req)
 		break;
 	}
 
-	debug_event(adapter->hba_dbf, level,
-		    rec, sizeof(struct zfcp_hba_dbf_record));
+	debug_event(adapter->hba_dbf, level, rec, sizeof(*rec));
+
+	/* have fcp channel microcode fixed to use as little as possible */
+	if (fsf_req->fsf_command != FSF_QTCB_FCP_CMND) {
+		/* adjust length skipping trailing zeros */
+		char *buf = (char *)qtcb + qtcb->header.log_start;
+		int len = qtcb->header.log_length;
+		for (; len && !buf[len - 1]; len--);
+		zfcp_dbf_hexdump(adapter->hba_dbf, rec, sizeof(*rec), level,
+				 buf, len);
+	}
+
 	spin_unlock_irqrestore(&adapter->hba_dbf_lock, flags);
 }
 
-void
-zfcp_hba_dbf_event_fsf_unsol(const char *tag, struct zfcp_adapter *adapter,
-			     struct fsf_status_read_buffer *status_buffer)
+/**
+ * zfcp_hba_dbf_event_fsf_unsol - trace event for an unsolicited status buffer
+ * @tag: tag indicating which kind of unsolicited status has been received
+ * @adapter: adapter that has issued the unsolicited status buffer
+ * @status_buffer: buffer containing payload of unsolicited status
+ */
+void zfcp_hba_dbf_event_fsf_unsol(const char *tag, struct zfcp_adapter *adapter,
+				  struct fsf_status_read_buffer *status_buffer)
 {
 	struct zfcp_hba_dbf_record *rec = &adapter->hba_dbf_buf;
 	unsigned long flags;
 
 	spin_lock_irqsave(&adapter->hba_dbf_lock, flags);
-	memset(rec, 0, sizeof(struct zfcp_hba_dbf_record));
+	memset(rec, 0, sizeof(*rec));
 	strncpy(rec->tag, "stat", ZFCP_DBF_TAG_SIZE);
 	strncpy(rec->tag2, tag, ZFCP_DBF_TAG_SIZE);
 
-	rec->type.status.failed = adapter->status_read_failed;
+	rec->u.status.failed = adapter->status_read_failed;
 	if (status_buffer != NULL) {
-		rec->type.status.status_type = status_buffer->status_type;
-		rec->type.status.status_subtype = status_buffer->status_subtype;
-		memcpy(&rec->type.status.queue_designator,
+		rec->u.status.status_type = status_buffer->status_type;
+		rec->u.status.status_subtype = status_buffer->status_subtype;
+		memcpy(&rec->u.status.queue_designator,
 		       &status_buffer->queue_designator,
 		       sizeof(struct fsf_queue_designator));
 
 		switch (status_buffer->status_type) {
 		case FSF_STATUS_READ_SENSE_DATA_AVAIL:
-			rec->type.status.payload_size =
+			rec->u.status.payload_size =
 			    ZFCP_DBF_UNSOL_PAYLOAD_SENSE_DATA_AVAIL;
 			break;
 
 		case FSF_STATUS_READ_BIT_ERROR_THRESHOLD:
-			rec->type.status.payload_size =
+			rec->u.status.payload_size =
 			    ZFCP_DBF_UNSOL_PAYLOAD_BIT_ERROR_THRESHOLD;
 			break;
 
@@ -270,119 +291,101 @@ zfcp_hba_dbf_event_fsf_unsol(const char *tag, struct zfcp_adapter *adapter,
 			switch (status_buffer->status_subtype) {
 			case FSF_STATUS_READ_SUB_NO_PHYSICAL_LINK:
 			case FSF_STATUS_READ_SUB_FDISC_FAILED:
-				rec->type.status.payload_size =
+				rec->u.status.payload_size =
 					sizeof(struct fsf_link_down_info);
 			}
 			break;
 
 		case FSF_STATUS_READ_FEATURE_UPDATE_ALERT:
-			rec->type.status.payload_size =
+			rec->u.status.payload_size =
 			    ZFCP_DBF_UNSOL_PAYLOAD_FEATURE_UPDATE_ALERT;
 			break;
 		}
-		memcpy(&rec->type.status.payload,
-		       &status_buffer->payload, rec->type.status.payload_size);
+		memcpy(&rec->u.status.payload,
+		       &status_buffer->payload, rec->u.status.payload_size);
 	}
 
-	debug_event(adapter->hba_dbf, 2,
-		    rec, sizeof(struct zfcp_hba_dbf_record));
+	debug_event(adapter->hba_dbf, 2, rec, sizeof(*rec));
 	spin_unlock_irqrestore(&adapter->hba_dbf_lock, flags);
 }
 
-void
-zfcp_hba_dbf_event_qdio(struct zfcp_adapter *adapter, unsigned int status,
-			unsigned int qdio_error, unsigned int siga_error,
-			int sbal_index, int sbal_count)
+/**
+ * zfcp_hba_dbf_event_qdio - trace event for QDIO related failure
+ * @adapter: adapter affected by this QDIO related event
+ * @status: as passed by qdio module
+ * @qdio_error: as passed by qdio module
+ * @siga_error: as passed by qdio module
+ * @sbal_index: first buffer with error condition, as passed by qdio module
+ * @sbal_count: number of buffers affected, as passed by qdio module
+ */
+void zfcp_hba_dbf_event_qdio(struct zfcp_adapter *adapter, unsigned int status,
+			     unsigned int qdio_error, unsigned int siga_error,
+			     int sbal_index, int sbal_count)
 {
-	struct zfcp_hba_dbf_record *rec = &adapter->hba_dbf_buf;
+	struct zfcp_hba_dbf_record *r = &adapter->hba_dbf_buf;
 	unsigned long flags;
 
 	spin_lock_irqsave(&adapter->hba_dbf_lock, flags);
-	memset(rec, 0, sizeof(struct zfcp_hba_dbf_record));
-	strncpy(rec->tag, "qdio", ZFCP_DBF_TAG_SIZE);
-	rec->type.qdio.status = status;
-	rec->type.qdio.qdio_error = qdio_error;
-	rec->type.qdio.siga_error = siga_error;
-	rec->type.qdio.sbal_index = sbal_index;
-	rec->type.qdio.sbal_count = sbal_count;
-	debug_event(adapter->hba_dbf, 0,
-		    rec, sizeof(struct zfcp_hba_dbf_record));
+	memset(r, 0, sizeof(*r));
+	strncpy(r->tag, "qdio", ZFCP_DBF_TAG_SIZE);
+	r->u.qdio.status = status;
+	r->u.qdio.qdio_error = qdio_error;
+	r->u.qdio.siga_error = siga_error;
+	r->u.qdio.sbal_index = sbal_index;
+	r->u.qdio.sbal_count = sbal_count;
+	debug_event(adapter->hba_dbf, 0, r, sizeof(*r));
 	spin_unlock_irqrestore(&adapter->hba_dbf_lock, flags);
 }
 
-static int
-zfcp_hba_dbf_view_response(char *out_buf,
-			   struct zfcp_hba_dbf_record_response *rec)
-{
-	int len = 0;
-
-	len += zfcp_dbf_view(out_buf + len, "fsf_command", "0x%08x",
-			     rec->fsf_command);
-	len += zfcp_dbf_view(out_buf + len, "fsf_reqid", "0x%0Lx",
-			     rec->fsf_reqid);
-	len += zfcp_dbf_view(out_buf + len, "fsf_seqno", "0x%08x",
-			     rec->fsf_seqno);
-	len += zfcp_dbf_stck(out_buf + len, "fsf_issued", rec->fsf_issued);
-	len += zfcp_dbf_view(out_buf + len, "fsf_prot_status", "0x%08x",
-			     rec->fsf_prot_status);
-	len += zfcp_dbf_view(out_buf + len, "fsf_status", "0x%08x",
-			     rec->fsf_status);
-	len += zfcp_dbf_view_dump(out_buf + len, "fsf_prot_status_qual",
-				  rec->fsf_prot_status_qual,
-				  FSF_PROT_STATUS_QUAL_SIZE,
-				  0, FSF_PROT_STATUS_QUAL_SIZE);
-	len += zfcp_dbf_view_dump(out_buf + len, "fsf_status_qual",
-				  rec->fsf_status_qual,
-				  FSF_STATUS_QUALIFIER_SIZE,
-				  0, FSF_STATUS_QUALIFIER_SIZE);
-	len += zfcp_dbf_view(out_buf + len, "fsf_req_status", "0x%08x",
-			     rec->fsf_req_status);
-	len += zfcp_dbf_view(out_buf + len, "sbal_first", "0x%02x",
-			     rec->sbal_first);
-	len += zfcp_dbf_view(out_buf + len, "sbal_curr", "0x%02x",
-			     rec->sbal_curr);
-	len += zfcp_dbf_view(out_buf + len, "sbal_last", "0x%02x",
-			     rec->sbal_last);
-	len += zfcp_dbf_view(out_buf + len, "pool", "0x%02x", rec->pool);
-
-	switch (rec->fsf_command) {
+static void zfcp_hba_dbf_view_response(char **p,
+				       struct zfcp_hba_dbf_record_response *r)
+{
+	struct timespec t;
+
+	zfcp_dbf_out(p, "fsf_command", "0x%08x", r->fsf_command);
+	zfcp_dbf_out(p, "fsf_reqid", "0x%0Lx", r->fsf_reqid);
+	zfcp_dbf_out(p, "fsf_seqno", "0x%08x", r->fsf_seqno);
+	zfcp_dbf_timestamp(r->fsf_issued, &t);
+	zfcp_dbf_out(p, "fsf_issued", "%011lu:%06lu", t.tv_sec, t.tv_nsec);
+	zfcp_dbf_out(p, "fsf_prot_status", "0x%08x", r->fsf_prot_status);
+	zfcp_dbf_out(p, "fsf_status", "0x%08x", r->fsf_status);
+	zfcp_dbf_outd(p, "fsf_prot_status_qual", r->fsf_prot_status_qual,
+		      FSF_PROT_STATUS_QUAL_SIZE, 0, FSF_PROT_STATUS_QUAL_SIZE);
+	zfcp_dbf_outd(p, "fsf_status_qual", r->fsf_status_qual,
+		      FSF_STATUS_QUALIFIER_SIZE, 0, FSF_STATUS_QUALIFIER_SIZE);
+	zfcp_dbf_out(p, "fsf_req_status", "0x%08x", r->fsf_req_status);
+	zfcp_dbf_out(p, "sbal_first", "0x%02x", r->sbal_first);
+	zfcp_dbf_out(p, "sbal_curr", "0x%02x", r->sbal_curr);
+	zfcp_dbf_out(p, "sbal_last", "0x%02x", r->sbal_last);
+	zfcp_dbf_out(p, "pool", "0x%02x", r->pool);
+
+	switch (r->fsf_command) {
 	case FSF_QTCB_FCP_CMND:
-		if (rec->fsf_req_status & ZFCP_STATUS_FSFREQ_TASK_MANAGEMENT)
+		if (r->fsf_req_status & ZFCP_STATUS_FSFREQ_TASK_MANAGEMENT)
 			break;
-		len += zfcp_dbf_view(out_buf + len, "scsi_cmnd", "0x%0Lx",
-				     rec->data.send_fcp.scsi_cmnd);
-		len += zfcp_dbf_view(out_buf + len, "scsi_serial", "0x%016Lx",
-				     rec->data.send_fcp.scsi_serial);
+		zfcp_dbf_out(p, "scsi_cmnd", "0x%0Lx", r->u.fcp.cmnd);
+		zfcp_dbf_out(p, "scsi_serial", "0x%016Lx", r->u.fcp.serial);
 		break;
 
 	case FSF_QTCB_OPEN_PORT_WITH_DID:
 	case FSF_QTCB_CLOSE_PORT:
 	case FSF_QTCB_CLOSE_PHYSICAL_PORT:
-		len += zfcp_dbf_view(out_buf + len, "wwpn", "0x%016Lx",
-				     rec->data.port.wwpn);
-		len += zfcp_dbf_view(out_buf + len, "d_id", "0x%06x",
-				     rec->data.port.d_id);
-		len += zfcp_dbf_view(out_buf + len, "port_handle", "0x%08x",
-				     rec->data.port.port_handle);
+		zfcp_dbf_out(p, "wwpn", "0x%016Lx", r->u.port.wwpn);
+		zfcp_dbf_out(p, "d_id", "0x%06x", r->u.port.d_id);
+		zfcp_dbf_out(p, "port_handle", "0x%08x", r->u.port.port_handle);
 		break;
 
 	case FSF_QTCB_OPEN_LUN:
 	case FSF_QTCB_CLOSE_LUN:
-		len += zfcp_dbf_view(out_buf + len, "wwpn", "0x%016Lx",
-				     rec->data.unit.wwpn);
-		len += zfcp_dbf_view(out_buf + len, "fcp_lun", "0x%016Lx",
-				     rec->data.unit.fcp_lun);
-		len += zfcp_dbf_view(out_buf + len, "port_handle", "0x%08x",
-				     rec->data.unit.port_handle);
-		len += zfcp_dbf_view(out_buf + len, "lun_handle", "0x%08x",
-				     rec->data.unit.lun_handle);
+		zfcp_dbf_out(p, "wwpn", "0x%016Lx", r->u.unit.wwpn);
+		zfcp_dbf_out(p, "fcp_lun", "0x%016Lx", r->u.unit.fcp_lun);
+		zfcp_dbf_out(p, "port_handle", "0x%08x", r->u.unit.port_handle);
+		zfcp_dbf_out(p, "lun_handle", "0x%08x", r->u.unit.lun_handle);
 		break;
 
 	case FSF_QTCB_SEND_ELS:
-		len += zfcp_dbf_view(out_buf + len, "d_id", "0x%06x",
-				     rec->data.send_els.d_id);
-		len += zfcp_dbf_view(out_buf + len, "ls_code", "0x%02x",
-				     rec->data.send_els.ls_code);
+		zfcp_dbf_out(p, "d_id", "0x%06x", r->u.els.d_id);
+		zfcp_dbf_out(p, "ls_code", "0x%02x", r->u.els.ls_code);
 		break;
 
 	case FSF_QTCB_ABORT_FCP_CMND:
@@ -393,74 +396,52 @@ zfcp_hba_dbf_view_response(char *out_buf,
 	case FSF_QTCB_UPLOAD_CONTROL_FILE:
 		break;
 	}
-
-	return len;
 }
 
-static int
-zfcp_hba_dbf_view_status(char *out_buf, struct zfcp_hba_dbf_record_status *rec)
+static void zfcp_hba_dbf_view_status(char **p,
+				     struct zfcp_hba_dbf_record_status *r)
 {
-	int len = 0;
-
-	len += zfcp_dbf_view(out_buf + len, "failed", "0x%02x", rec->failed);
-	len += zfcp_dbf_view(out_buf + len, "status_type", "0x%08x",
-			     rec->status_type);
-	len += zfcp_dbf_view(out_buf + len, "status_subtype", "0x%08x",
-			     rec->status_subtype);
-	len += zfcp_dbf_view_dump(out_buf + len, "queue_designator",
-				  (char *)&rec->queue_designator,
-				  sizeof(struct fsf_queue_designator),
-				  0, sizeof(struct fsf_queue_designator));
-	len += zfcp_dbf_view_dump(out_buf + len, "payload",
-				  (char *)&rec->payload,
-				  rec->payload_size, 0, rec->payload_size);
-
-	return len;
+	zfcp_dbf_out(p, "failed", "0x%02x", r->failed);
+	zfcp_dbf_out(p, "status_type", "0x%08x", r->status_type);
+	zfcp_dbf_out(p, "status_subtype", "0x%08x", r->status_subtype);
+	zfcp_dbf_outd(p, "queue_designator", (char *)&r->queue_designator,
+		      sizeof(struct fsf_queue_designator), 0,
+		      sizeof(struct fsf_queue_designator));
+	zfcp_dbf_outd(p, "payload", (char *)&r->payload, r->payload_size, 0,
+		      r->payload_size);
 }
 
-static int
-zfcp_hba_dbf_view_qdio(char *out_buf, struct zfcp_hba_dbf_record_qdio *rec)
+static void zfcp_hba_dbf_view_qdio(char **p, struct zfcp_hba_dbf_record_qdio *r)
 {
-	int len = 0;
-
-	len += zfcp_dbf_view(out_buf + len, "status", "0x%08x", rec->status);
-	len += zfcp_dbf_view(out_buf + len, "qdio_error", "0x%08x",
-			     rec->qdio_error);
-	len += zfcp_dbf_view(out_buf + len, "siga_error", "0x%08x",
-			     rec->siga_error);
-	len += zfcp_dbf_view(out_buf + len, "sbal_index", "0x%02x",
-			     rec->sbal_index);
-	len += zfcp_dbf_view(out_buf + len, "sbal_count", "0x%02x",
-			     rec->sbal_count);
-
-	return len;
+	zfcp_dbf_out(p, "status", "0x%08x", r->status);
+	zfcp_dbf_out(p, "qdio_error", "0x%08x", r->qdio_error);
+	zfcp_dbf_out(p, "siga_error", "0x%08x", r->siga_error);
+	zfcp_dbf_out(p, "sbal_index", "0x%02x", r->sbal_index);
+	zfcp_dbf_out(p, "sbal_count", "0x%02x", r->sbal_count);
 }
 
-static int
-zfcp_hba_dbf_view_format(debug_info_t * id, struct debug_view *view,
-			 char *out_buf, const char *in_buf)
+static int zfcp_hba_dbf_view_format(debug_info_t *id, struct debug_view *view,
+				    char *out_buf, const char *in_buf)
 {
-	struct zfcp_hba_dbf_record *rec = (struct zfcp_hba_dbf_record *)in_buf;
-	int len = 0;
+	struct zfcp_hba_dbf_record *r = (struct zfcp_hba_dbf_record *)in_buf;
+	char *p = out_buf;
 
-	if (strncmp(rec->tag, "dump", ZFCP_DBF_TAG_SIZE) == 0)
+	if (strncmp(r->tag, "dump", ZFCP_DBF_TAG_SIZE) == 0)
 		return 0;
 
-	len += zfcp_dbf_tag(out_buf + len, "tag", rec->tag);
-	if (isalpha(rec->tag2[0]))
-		len += zfcp_dbf_tag(out_buf + len, "tag2", rec->tag2);
-	if (strncmp(rec->tag, "resp", ZFCP_DBF_TAG_SIZE) == 0)
-		len += zfcp_hba_dbf_view_response(out_buf + len,
-						  &rec->type.response);
-	else if (strncmp(rec->tag, "stat", ZFCP_DBF_TAG_SIZE) == 0)
-		len += zfcp_hba_dbf_view_status(out_buf + len,
-						&rec->type.status);
-	else if (strncmp(rec->tag, "qdio", ZFCP_DBF_TAG_SIZE) == 0)
-		len += zfcp_hba_dbf_view_qdio(out_buf + len, &rec->type.qdio);
+	zfcp_dbf_tag(&p, "tag", r->tag);
+	if (isalpha(r->tag2[0]))
+		zfcp_dbf_tag(&p, "tag2", r->tag2);
 
-	len += sprintf(out_buf + len, "\n");
+	if (strncmp(r->tag, "resp", ZFCP_DBF_TAG_SIZE) == 0)
+		zfcp_hba_dbf_view_response(&p, &r->u.response);
+	else if (strncmp(r->tag, "stat", ZFCP_DBF_TAG_SIZE) == 0)
+		zfcp_hba_dbf_view_status(&p, &r->u.status);
+	else if (strncmp(r->tag, "qdio", ZFCP_DBF_TAG_SIZE) == 0)
+		zfcp_hba_dbf_view_qdio(&p, &r->u.qdio);
 
-	return len;
+	p += sprintf(p, "\n");
+	return p - out_buf;
 }
 
 static struct debug_view zfcp_hba_dbf_view = {
@@ -472,219 +453,570 @@ static struct debug_view zfcp_hba_dbf_view = {
 	NULL
 };
 
-static void
-_zfcp_san_dbf_event_common_ct(const char *tag, struct zfcp_fsf_req *fsf_req,
-			      u32 s_id, u32 d_id, void *buffer, int buflen)
+static const char *zfcp_rec_dbf_tags[] = {
+	[ZFCP_REC_DBF_ID_THREAD] = "thread",
+	[ZFCP_REC_DBF_ID_TARGET] = "target",
+	[ZFCP_REC_DBF_ID_TRIGGER] = "trigger",
+	[ZFCP_REC_DBF_ID_ACTION] = "action",
+};
+
+static const char *zfcp_rec_dbf_ids[] = {
+	[1]	= "new",
+	[2]	= "ready",
+	[3]	= "kill",
+	[4]	= "down sleep",
+	[5]	= "down wakeup",
+	[6]	= "down sleep ecd",
+	[7]	= "down wakeup ecd",
+	[8]	= "down sleep epd",
+	[9]	= "down wakeup epd",
+	[10]	= "online",
+	[11]	= "operational",
+	[12]	= "scsi slave destroy",
+	[13]	= "propagate failed adapter",
+	[14]	= "propagate failed port",
+	[15]	= "block adapter",
+	[16]	= "unblock adapter",
+	[17]	= "block port",
+	[18]	= "unblock port",
+	[19]	= "block unit",
+	[20]	= "unblock unit",
+	[21]	= "unit recovery failed",
+	[22]	= "port recovery failed",
+	[23]	= "adapter recovery failed",
+	[24]	= "qdio queues down",
+	[25]	= "p2p failed",
+	[26]	= "nameserver lookup failed",
+	[27]	= "nameserver port failed",
+	[28]	= "link up",
+	[29]	= "link down",
+	[30]	= "link up status read",
+	[31]	= "open port failed",
+	[32]	= "open port failed",
+	[33]	= "close port",
+	[34]	= "open unit failed",
+	[35]	= "exclusive open unit failed",
+	[36]	= "shared open unit failed",
+	[37]	= "link down",
+	[38]	= "link down status read no link",
+	[39]	= "link down status read fdisc login",
+	[40]	= "link down status read firmware update",
+	[41]	= "link down status read unknown reason",
+	[42]	= "link down ecd incomplete",
+	[43]	= "link down epd incomplete",
+	[44]	= "sysfs adapter recovery",
+	[45]	= "sysfs port recovery",
+	[46]	= "sysfs unit recovery",
+	[47]	= "port boxed abort",
+	[48]	= "unit boxed abort",
+	[49]	= "port boxed ct",
+	[50]	= "port boxed close physical",
+	[51]	= "port boxed open unit",
+	[52]	= "port boxed close unit",
+	[53]	= "port boxed fcp",
+	[54]	= "unit boxed fcp",
+	[55]	= "port access denied ct",
+	[56]	= "port access denied els",
+	[57]	= "port access denied open port",
+	[58]	= "port access denied close physical",
+	[59]	= "unit access denied open unit",
+	[60]	= "shared unit access denied open unit",
+	[61]	= "unit access denied fcp",
+	[62]	= "request timeout",
+	[63]	= "adisc link test reject or timeout",
+	[64]	= "adisc link test d_id changed",
+	[65]	= "adisc link test failed",
+	[66]	= "recovery out of memory",
+	[67]	= "adapter recovery repeated after state change",
+	[68]	= "port recovery repeated after state change",
+	[69]	= "unit recovery repeated after state change",
+	[70]	= "port recovery follow-up after successful adapter recovery",
+	[71]	= "adapter recovery escalation after failed adapter recovery",
+	[72]	= "port recovery follow-up after successful physical port "
+		  "recovery",
+	[73]	= "adapter recovery escalation after failed physical port "
+		  "recovery",
+	[74]	= "unit recovery follow-up after successful port recovery",
+	[75]	= "physical port recovery escalation after failed port "
+		  "recovery",
+	[76]	= "port recovery escalation after failed unit recovery",
+	[77]	= "recovery opening nameserver port",
+	[78]	= "duplicate request id",
+	[79]	= "link down",
+	[80]	= "exclusive read-only unit access unsupported",
+	[81]	= "shared read-write unit access unsupported",
+	[82]	= "incoming rscn",
+	[83]	= "incoming plogi",
+	[84]	= "incoming logo",
+	[85]	= "online",
+	[86]	= "offline",
+	[87]	= "ccw device gone",
+	[88]	= "ccw device no path",
+	[89]	= "ccw device operational",
+	[90]	= "ccw device shutdown",
+	[91]	= "sysfs port addition",
+	[92]	= "sysfs port removal",
+	[93]	= "sysfs adapter recovery",
+	[94]	= "sysfs unit addition",
+	[95]	= "sysfs unit removal",
+	[96]	= "sysfs port recovery",
+	[97]	= "sysfs unit recovery",
+	[98]	= "sequence number mismatch",
+	[99]	= "link up",
+	[100]	= "error state",
+	[101]	= "status read physical port closed",
+	[102]	= "link up status read",
+	[103]	= "too many failed status read buffers",
+	[104]	= "port handle not valid abort",
+	[105]	= "lun handle not valid abort",
+	[106]	= "port handle not valid ct",
+	[107]	= "port handle not valid close port",
+	[108]	= "port handle not valid close physical port",
+	[109]	= "port handle not valid open unit",
+	[110]	= "port handle not valid close unit",
+	[111]	= "lun handle not valid close unit",
+	[112]	= "port handle not valid fcp",
+	[113]	= "lun handle not valid fcp",
+	[114]	= "handle mismatch fcp",
+	[115]	= "lun not valid fcp",
+	[116]	= "qdio send failed",
+	[117]	= "version mismatch",
+	[118]	= "incompatible qtcb type",
+	[119]	= "unknown protocol status",
+	[120]	= "unknown fsf command",
+	[121]	= "no recommendation for status qualifier",
+	[122]	= "status read physical port closed in error",
+	[123]	= "fc service class not supported ct",
+	[124]	= "fc service class not supported els",
+	[125]	= "need newer zfcp",
+	[126]	= "need newer microcode",
+	[127]	= "arbitrated loop not supported",
+	[128]	= "unknown topology",
+	[129]	= "qtcb size mismatch",
+	[130]	= "unknown fsf status ecd",
+	[131]	= "fcp request too big",
+	[132]	= "fc service class not supported fcp",
+	[133]	= "data direction not valid fcp",
+	[134]	= "command length not valid fcp",
+	[135]	= "status read act update",
+	[136]	= "status read cfdc update",
+	[137]	= "hbaapi port open",
+	[138]	= "hbaapi unit open",
+	[139]	= "hbaapi unit shutdown",
+	[140]	= "qdio error",
+	[141]	= "scsi host reset",
+	[142]	= "dismissing fsf request for recovery action",
+	[143]	= "recovery action timed out",
+	[144]	= "recovery action gone",
+	[145]	= "recovery action being processed",
+	[146]	= "recovery action ready for next step",
+};
+
+static int zfcp_rec_dbf_view_format(debug_info_t *id, struct debug_view *view,
+				    char *buf, const char *_rec)
+{
+	struct zfcp_rec_dbf_record *r = (struct zfcp_rec_dbf_record *)_rec;
+	char *p = buf;
+
+	zfcp_dbf_outs(&p, "tag", zfcp_rec_dbf_tags[r->id]);
+	zfcp_dbf_outs(&p, "hint", zfcp_rec_dbf_ids[r->id2]);
+	zfcp_dbf_out(&p, "id", "%d", r->id2);
+	switch (r->id) {
+	case ZFCP_REC_DBF_ID_THREAD:
+		zfcp_dbf_out(&p, "total", "%d", r->u.thread.total);
+		zfcp_dbf_out(&p, "ready", "%d", r->u.thread.ready);
+		zfcp_dbf_out(&p, "running", "%d", r->u.thread.running);
+		break;
+	case ZFCP_REC_DBF_ID_TARGET:
+		zfcp_dbf_out(&p, "reference", "0x%016Lx", r->u.target.ref);
+		zfcp_dbf_out(&p, "status", "0x%08x", r->u.target.status);
+		zfcp_dbf_out(&p, "erp_count", "%d", r->u.target.erp_count);
+		zfcp_dbf_out(&p, "d_id", "0x%06x", r->u.target.d_id);
+		zfcp_dbf_out(&p, "wwpn", "0x%016Lx", r->u.target.wwpn);
+		zfcp_dbf_out(&p, "fcp_lun", "0x%016Lx", r->u.target.fcp_lun);
+		break;
+	case ZFCP_REC_DBF_ID_TRIGGER:
+		zfcp_dbf_out(&p, "reference", "0x%016Lx", r->u.trigger.ref);
+		zfcp_dbf_out(&p, "erp_action", "0x%016Lx", r->u.trigger.action);
+		zfcp_dbf_out(&p, "requested", "%d", r->u.trigger.want);
+		zfcp_dbf_out(&p, "executed", "%d", r->u.trigger.need);
+		zfcp_dbf_out(&p, "wwpn", "0x%016Lx", r->u.trigger.wwpn);
+		zfcp_dbf_out(&p, "fcp_lun", "0x%016Lx", r->u.trigger.fcp_lun);
+		zfcp_dbf_out(&p, "adapter_status", "0x%08x", r->u.trigger.as);
+		zfcp_dbf_out(&p, "port_status", "0x%08x", r->u.trigger.ps);
+		zfcp_dbf_out(&p, "unit_status", "0x%08x", r->u.trigger.us);
+		break;
+	case ZFCP_REC_DBF_ID_ACTION:
+		zfcp_dbf_out(&p, "erp_action", "0x%016Lx", r->u.action.action);
+		zfcp_dbf_out(&p, "fsf_req", "0x%016Lx", r->u.action.fsf_req);
+		zfcp_dbf_out(&p, "status", "0x%08Lx", r->u.action.status);
+		zfcp_dbf_out(&p, "step", "0x%08Lx", r->u.action.step);
+		break;
+	}
+	p += sprintf(p, "\n");
+	return p - buf;
+}
+
+static struct debug_view zfcp_rec_dbf_view = {
+	"structured",
+	NULL,
+	&zfcp_dbf_view_header,
+	&zfcp_rec_dbf_view_format,
+	NULL,
+	NULL
+};
+
+/**
+ * zfcp_rec_dbf_event_thread - trace event related to recovery thread operation
+ * @id2: identifier for event
+ * @adapter: adapter
+ * @lock: non-zero value indicates that erp_lock has not yet been acquired
+ */
+void zfcp_rec_dbf_event_thread(u8 id2, struct zfcp_adapter *adapter, int lock)
+{
+	struct zfcp_rec_dbf_record *r = &adapter->rec_dbf_buf;
+	unsigned long flags = 0;
+	struct list_head *entry;
+	unsigned ready = 0, running = 0, total;
+
+	if (lock)
+		read_lock_irqsave(&adapter->erp_lock, flags);
+	list_for_each(entry, &adapter->erp_ready_head)
+		ready++;
+	list_for_each(entry, &adapter->erp_running_head)
+		running++;
+	total = adapter->erp_total_count;
+	if (lock)
+		read_unlock_irqrestore(&adapter->erp_lock, flags);
+
+	spin_lock_irqsave(&adapter->rec_dbf_lock, flags);
+	memset(r, 0, sizeof(*r));
+	r->id = ZFCP_REC_DBF_ID_THREAD;
+	r->id2 = id2;
+	r->u.thread.total = total;
+	r->u.thread.ready = ready;
+	r->u.thread.running = running;
+	debug_event(adapter->rec_dbf, 5, r, sizeof(*r));
+	spin_unlock_irqrestore(&adapter->rec_dbf_lock, flags);
+}
+
+static void zfcp_rec_dbf_event_target(u8 id2, void *ref,
+				      struct zfcp_adapter *adapter,
+				      atomic_t *status, atomic_t *erp_count,
+				      u64 wwpn, u32 d_id, u64 fcp_lun)
+{
+	struct zfcp_rec_dbf_record *r = &adapter->rec_dbf_buf;
+	unsigned long flags;
+
+	spin_lock_irqsave(&adapter->rec_dbf_lock, flags);
+	memset(r, 0, sizeof(*r));
+	r->id = ZFCP_REC_DBF_ID_TARGET;
+	r->id2 = id2;
+	r->u.target.ref = (unsigned long)ref;
+	r->u.target.status = atomic_read(status);
+	r->u.target.wwpn = wwpn;
+	r->u.target.d_id = d_id;
+	r->u.target.fcp_lun = fcp_lun;
+	r->u.target.erp_count = atomic_read(erp_count);
+	debug_event(adapter->rec_dbf, 3, r, sizeof(*r));
+	spin_unlock_irqrestore(&adapter->rec_dbf_lock, flags);
+}
+
+/**
+ * zfcp_rec_dbf_event_adapter - trace event for adapter state change
+ * @id: identifier for trigger of state change
+ * @ref: additional reference (e.g. request)
+ * @adapter: adapter
+ */
+void zfcp_rec_dbf_event_adapter(u8 id, void *ref, struct zfcp_adapter *adapter)
+{
+	zfcp_rec_dbf_event_target(id, ref, adapter, &adapter->status,
+				  &adapter->erp_counter, 0, 0, 0);
+}
+
+/**
+ * zfcp_rec_dbf_event_port - trace event for port state change
+ * @id: identifier for trigger of state change
+ * @ref: additional reference (e.g. request)
+ * @port: port
+ */
+void zfcp_rec_dbf_event_port(u8 id, void *ref, struct zfcp_port *port)
 {
-	struct zfcp_send_ct *send_ct = (struct zfcp_send_ct *)fsf_req->data;
-	struct zfcp_port *port = send_ct->port;
 	struct zfcp_adapter *adapter = port->adapter;
-	struct ct_hdr *header = (struct ct_hdr *)buffer;
-	struct zfcp_san_dbf_record *rec = &adapter->san_dbf_buf;
-	struct zfcp_san_dbf_record_ct *ct = &rec->type.ct;
+
+	zfcp_rec_dbf_event_target(id, ref, adapter, &port->status,
+				  &port->erp_counter, port->wwpn, port->d_id,
+				  0);
+}
+
+/**
+ * zfcp_rec_dbf_event_unit - trace event for unit state change
+ * @id: identifier for trigger of state change
+ * @ref: additional reference (e.g. request)
+ * @unit: unit
+ */
+void zfcp_rec_dbf_event_unit(u8 id, void *ref, struct zfcp_unit *unit)
+{
+	struct zfcp_port *port = unit->port;
+	struct zfcp_adapter *adapter = port->adapter;
+
+	zfcp_rec_dbf_event_target(id, ref, adapter, &unit->status,
+				  &unit->erp_counter, port->wwpn, port->d_id,
+				  unit->fcp_lun);
+}
+
+/**
+ * zfcp_rec_dbf_event_trigger - trace event for triggered error recovery
+ * @id2: identifier for error recovery trigger
+ * @ref: additional reference (e.g. request)
+ * @want: originally requested error recovery action
+ * @need: error recovery action actually initiated
+ * @action: address of error recovery action struct
+ * @adapter: adapter
+ * @port: port
+ * @unit: unit
+ */
+void zfcp_rec_dbf_event_trigger(u8 id2, void *ref, u8 want, u8 need,
+				void *action, struct zfcp_adapter *adapter,
+				struct zfcp_port *port, struct zfcp_unit *unit)
+{
+	struct zfcp_rec_dbf_record *r = &adapter->rec_dbf_buf;
 	unsigned long flags;
 
-	spin_lock_irqsave(&adapter->san_dbf_lock, flags);
-	memset(rec, 0, sizeof(struct zfcp_san_dbf_record));
-	strncpy(rec->tag, tag, ZFCP_DBF_TAG_SIZE);
-	rec->fsf_reqid = (unsigned long)fsf_req;
-	rec->fsf_seqno = fsf_req->seq_no;
-	rec->s_id = s_id;
-	rec->d_id = d_id;
-	if (strncmp(tag, "octc", ZFCP_DBF_TAG_SIZE) == 0) {
-		ct->type.request.cmd_req_code = header->cmd_rsp_code;
-		ct->type.request.revision = header->revision;
-		ct->type.request.gs_type = header->gs_type;
-		ct->type.request.gs_subtype = header->gs_subtype;
-		ct->type.request.options = header->options;
-		ct->type.request.max_res_size = header->max_res_size;
-	} else if (strncmp(tag, "rctc", ZFCP_DBF_TAG_SIZE) == 0) {
-		ct->type.response.cmd_rsp_code = header->cmd_rsp_code;
-		ct->type.response.revision = header->revision;
-		ct->type.response.reason_code = header->reason_code;
-		ct->type.response.reason_code_expl = header->reason_code_expl;
-		ct->type.response.vendor_unique = header->vendor_unique;
+	spin_lock_irqsave(&adapter->rec_dbf_lock, flags);
+	memset(r, 0, sizeof(*r));
+	r->id = ZFCP_REC_DBF_ID_TRIGGER;
+	r->id2 = id2;
+	r->u.trigger.ref = (unsigned long)ref;
+	r->u.trigger.want = want;
+	r->u.trigger.need = need;
+	r->u.trigger.action = (unsigned long)action;
+	r->u.trigger.as = atomic_read(&adapter->status);
+	if (port) {
+		r->u.trigger.ps = atomic_read(&port->status);
+		r->u.trigger.wwpn = port->wwpn;
 	}
-	ct->payload_size =
-	    min(buflen - (int)sizeof(struct ct_hdr), ZFCP_DBF_CT_PAYLOAD);
-	memcpy(ct->payload, buffer + sizeof(struct ct_hdr), ct->payload_size);
-	debug_event(adapter->san_dbf, 3,
-		    rec, sizeof(struct zfcp_san_dbf_record));
-	spin_unlock_irqrestore(&adapter->san_dbf_lock, flags);
+	if (unit) {
+		r->u.trigger.us = atomic_read(&unit->status);
+		r->u.trigger.fcp_lun = unit->fcp_lun;
+	}
+	debug_event(adapter->rec_dbf, action ? 1 : 4, r, sizeof(*r));
+	spin_unlock_irqrestore(&adapter->rec_dbf_lock, flags);
 }
 
+/**
+ * zfcp_rec_dbf_event_action - trace event showing progress of recovery action
+ * @id2: identifier
+ * @erp_action: error recovery action struct pointer
+ */
+void zfcp_rec_dbf_event_action(u8 id2, struct zfcp_erp_action *erp_action)
+{
+	struct zfcp_adapter *adapter = erp_action->adapter;
+	struct zfcp_rec_dbf_record *r = &adapter->rec_dbf_buf;
+	unsigned long flags;
+
+	spin_lock_irqsave(&adapter->rec_dbf_lock, flags);
+	memset(r, 0, sizeof(*r));
+	r->id = ZFCP_REC_DBF_ID_ACTION;
+	r->id2 = id2;
+	r->u.action.action = (unsigned long)erp_action;
+	r->u.action.status = erp_action->status;
+	r->u.action.step = erp_action->step;
+	r->u.action.fsf_req = (unsigned long)erp_action->fsf_req;
+	debug_event(adapter->rec_dbf, 4, r, sizeof(*r));
+	spin_unlock_irqrestore(&adapter->rec_dbf_lock, flags);
+}
+
+/**
+ * zfcp_san_dbf_event_ct_request - trace event for issued CT request
+ * @fsf_req: request containing issued CT data
+ */
 void zfcp_san_dbf_event_ct_request(struct zfcp_fsf_req *fsf_req)
 {
 	struct zfcp_send_ct *ct = (struct zfcp_send_ct *)fsf_req->data;
 	struct zfcp_port *port = ct->port;
 	struct zfcp_adapter *adapter = port->adapter;
+	struct ct_hdr *hdr = zfcp_sg_to_address(ct->req);
+	struct zfcp_san_dbf_record *r = &adapter->san_dbf_buf;
+	struct zfcp_san_dbf_record_ct_request *oct = &r->u.ct_req;
+	unsigned long flags;
 
-	_zfcp_san_dbf_event_common_ct("octc", fsf_req,
-				      fc_host_port_id(adapter->scsi_host),
-				      port->d_id, zfcp_sg_to_address(ct->req),
-				      ct->req->length);
+	spin_lock_irqsave(&adapter->san_dbf_lock, flags);
+	memset(r, 0, sizeof(*r));
+	strncpy(r->tag, "octc", ZFCP_DBF_TAG_SIZE);
+	r->fsf_reqid = (unsigned long)fsf_req;
+	r->fsf_seqno = fsf_req->seq_no;
+	r->s_id = fc_host_port_id(adapter->scsi_host);
+	r->d_id = port->d_id;
+	oct->cmd_req_code = hdr->cmd_rsp_code;
+	oct->revision = hdr->revision;
+	oct->gs_type = hdr->gs_type;
+	oct->gs_subtype = hdr->gs_subtype;
+	oct->options = hdr->options;
+	oct->max_res_size = hdr->max_res_size;
+	oct->len = min((int)ct->req->length - (int)sizeof(struct ct_hdr),
+		       ZFCP_DBF_CT_PAYLOAD);
+	memcpy(oct->payload, (void *)hdr + sizeof(struct ct_hdr), oct->len);
+	debug_event(adapter->san_dbf, 3, r, sizeof(*r));
+	spin_unlock_irqrestore(&adapter->san_dbf_lock, flags);
 }
 
+/**
+ * zfcp_san_dbf_event_ct_response - trace event for completion of CT request
+ * @fsf_req: request containing CT response
+ */
 void zfcp_san_dbf_event_ct_response(struct zfcp_fsf_req *fsf_req)
 {
 	struct zfcp_send_ct *ct = (struct zfcp_send_ct *)fsf_req->data;
 	struct zfcp_port *port = ct->port;
 	struct zfcp_adapter *adapter = port->adapter;
+	struct ct_hdr *hdr = zfcp_sg_to_address(ct->resp);
+	struct zfcp_san_dbf_record *r = &adapter->san_dbf_buf;
+	struct zfcp_san_dbf_record_ct_response *rct = &r->u.ct_resp;
+	unsigned long flags;
 
-	_zfcp_san_dbf_event_common_ct("rctc", fsf_req, port->d_id,
-				      fc_host_port_id(adapter->scsi_host),
-				      zfcp_sg_to_address(ct->resp),
-				      ct->resp->length);
+	spin_lock_irqsave(&adapter->san_dbf_lock, flags);
+	memset(r, 0, sizeof(*r));
+	strncpy(r->tag, "rctc", ZFCP_DBF_TAG_SIZE);
+	r->fsf_reqid = (unsigned long)fsf_req;
+	r->fsf_seqno = fsf_req->seq_no;
+	r->s_id = port->d_id;
+	r->d_id = fc_host_port_id(adapter->scsi_host);
+	rct->cmd_rsp_code = hdr->cmd_rsp_code;
+	rct->revision = hdr->revision;
+	rct->reason_code = hdr->reason_code;
+	rct->expl = hdr->reason_code_expl;
+	rct->vendor_unique = hdr->vendor_unique;
+	rct->len = min((int)ct->resp->length - (int)sizeof(struct ct_hdr),
+		       ZFCP_DBF_CT_PAYLOAD);
+	memcpy(rct->payload, (void *)hdr + sizeof(struct ct_hdr), rct->len);
+	debug_event(adapter->san_dbf, 3, r, sizeof(*r));
+	spin_unlock_irqrestore(&adapter->san_dbf_lock, flags);
 }
 
-static void
-_zfcp_san_dbf_event_common_els(const char *tag, int level,
-			       struct zfcp_fsf_req *fsf_req, u32 s_id,
-			       u32 d_id, u8 ls_code, void *buffer, int buflen)
+static void zfcp_san_dbf_event_els(const char *tag, int level,
+				   struct zfcp_fsf_req *fsf_req, u32 s_id,
+				   u32 d_id, u8 ls_code, void *buffer,
+				   int buflen)
 {
 	struct zfcp_adapter *adapter = fsf_req->adapter;
 	struct zfcp_san_dbf_record *rec = &adapter->san_dbf_buf;
-	struct zfcp_dbf_dump *dump = (struct zfcp_dbf_dump *)rec;
 	unsigned long flags;
-	int offset = 0;
 
 	spin_lock_irqsave(&adapter->san_dbf_lock, flags);
-	do {
-		memset(rec, 0, sizeof(struct zfcp_san_dbf_record));
-		if (offset == 0) {
-			strncpy(rec->tag, tag, ZFCP_DBF_TAG_SIZE);
-			rec->fsf_reqid = (unsigned long)fsf_req;
-			rec->fsf_seqno = fsf_req->seq_no;
-			rec->s_id = s_id;
-			rec->d_id = d_id;
-			rec->type.els.ls_code = ls_code;
-			buflen = min(buflen, ZFCP_DBF_ELS_MAX_PAYLOAD);
-			rec->type.els.payload_size = buflen;
-			memcpy(rec->type.els.payload,
-			       buffer, min(buflen, ZFCP_DBF_ELS_PAYLOAD));
-			offset += min(buflen, ZFCP_DBF_ELS_PAYLOAD);
-		} else {
-			strncpy(dump->tag, "dump", ZFCP_DBF_TAG_SIZE);
-			dump->total_size = buflen;
-			dump->offset = offset;
-			dump->size = min(buflen - offset,
-					 (int)sizeof(struct zfcp_san_dbf_record)
-					 - (int)sizeof(struct zfcp_dbf_dump));
-			memcpy(dump->data, buffer + offset, dump->size);
-			offset += dump->size;
-		}
-		debug_event(adapter->san_dbf, level,
-			    rec, sizeof(struct zfcp_san_dbf_record));
-	} while (offset < buflen);
+	memset(rec, 0, sizeof(*rec));
+	strncpy(rec->tag, tag, ZFCP_DBF_TAG_SIZE);
+	rec->fsf_reqid = (unsigned long)fsf_req;
+	rec->fsf_seqno = fsf_req->seq_no;
+	rec->s_id = s_id;
+	rec->d_id = d_id;
+	rec->u.els.ls_code = ls_code;
+	debug_event(adapter->san_dbf, level, rec, sizeof(*rec));
+	zfcp_dbf_hexdump(adapter->san_dbf, rec, sizeof(*rec), level,
+			 buffer, min(buflen, ZFCP_DBF_ELS_MAX_PAYLOAD));
 	spin_unlock_irqrestore(&adapter->san_dbf_lock, flags);
 }
 
+/**
+ * zfcp_san_dbf_event_els_request - trace event for issued ELS
+ * @fsf_req: request containing issued ELS
+ */
 void zfcp_san_dbf_event_els_request(struct zfcp_fsf_req *fsf_req)
 {
 	struct zfcp_send_els *els = (struct zfcp_send_els *)fsf_req->data;
 
-	_zfcp_san_dbf_event_common_els("oels", 2, fsf_req,
-				       fc_host_port_id(els->adapter->scsi_host),
-				       els->d_id,
-				       *(u8 *) zfcp_sg_to_address(els->req),
-				       zfcp_sg_to_address(els->req),
-				       els->req->length);
+	zfcp_san_dbf_event_els("oels", 2, fsf_req,
+			       fc_host_port_id(els->adapter->scsi_host),
+			       els->d_id, *(u8 *) zfcp_sg_to_address(els->req),
+			       zfcp_sg_to_address(els->req), els->req->length);
 }
 
+/**
+ * zfcp_san_dbf_event_els_response - trace event for completed ELS
+ * @fsf_req: request containing ELS response
+ */
 void zfcp_san_dbf_event_els_response(struct zfcp_fsf_req *fsf_req)
 {
 	struct zfcp_send_els *els = (struct zfcp_send_els *)fsf_req->data;
 
-	_zfcp_san_dbf_event_common_els("rels", 2, fsf_req, els->d_id,
-				       fc_host_port_id(els->adapter->scsi_host),
-				       *(u8 *) zfcp_sg_to_address(els->req),
-				       zfcp_sg_to_address(els->resp),
-				       els->resp->length);
+	zfcp_san_dbf_event_els("rels", 2, fsf_req, els->d_id,
+			       fc_host_port_id(els->adapter->scsi_host),
+			       *(u8 *)zfcp_sg_to_address(els->req),
+			       zfcp_sg_to_address(els->resp),
+			       els->resp->length);
 }
 
+/**
+ * zfcp_san_dbf_event_incoming_els - trace event for incomig ELS
+ * @fsf_req: request containing unsolicited status buffer with incoming ELS
+ */
 void zfcp_san_dbf_event_incoming_els(struct zfcp_fsf_req *fsf_req)
 {
 	struct zfcp_adapter *adapter = fsf_req->adapter;
-	struct fsf_status_read_buffer *status_buffer =
-	    (struct fsf_status_read_buffer *)fsf_req->data;
-	int length = (int)status_buffer->length -
-	    (int)((void *)&status_buffer->payload - (void *)status_buffer);
-
-	_zfcp_san_dbf_event_common_els("iels", 1, fsf_req, status_buffer->d_id,
-				       fc_host_port_id(adapter->scsi_host),
-				       *(u8 *) status_buffer->payload,
-				       (void *)status_buffer->payload, length);
+	struct fsf_status_read_buffer *buf =
+			(struct fsf_status_read_buffer *)fsf_req->data;
+	int length = (int)buf->length -
+		     (int)((void *)&buf->payload - (void *)buf);
+
+	zfcp_san_dbf_event_els("iels", 1, fsf_req, buf->d_id,
+			       fc_host_port_id(adapter->scsi_host),
+			       *(u8 *)buf->payload, (void *)buf->payload,
+			       length);
 }
 
-static int
-zfcp_san_dbf_view_format(debug_info_t * id, struct debug_view *view,
-			 char *out_buf, const char *in_buf)
+static int zfcp_san_dbf_view_format(debug_info_t *id, struct debug_view *view,
+				    char *out_buf, const char *in_buf)
 {
-	struct zfcp_san_dbf_record *rec = (struct zfcp_san_dbf_record *)in_buf;
+	struct zfcp_san_dbf_record *r = (struct zfcp_san_dbf_record *)in_buf;
 	char *buffer = NULL;
 	int buflen = 0, total = 0;
-	int len = 0;
+	char *p = out_buf;
 
-	if (strncmp(rec->tag, "dump", ZFCP_DBF_TAG_SIZE) == 0)
+	if (strncmp(r->tag, "dump", ZFCP_DBF_TAG_SIZE) == 0)
 		return 0;
 
-	len += zfcp_dbf_tag(out_buf + len, "tag", rec->tag);
-	len += zfcp_dbf_view(out_buf + len, "fsf_reqid", "0x%0Lx",
-			     rec->fsf_reqid);
-	len += zfcp_dbf_view(out_buf + len, "fsf_seqno", "0x%08x",
-			     rec->fsf_seqno);
-	len += zfcp_dbf_view(out_buf + len, "s_id", "0x%06x", rec->s_id);
-	len += zfcp_dbf_view(out_buf + len, "d_id", "0x%06x", rec->d_id);
-
-	if (strncmp(rec->tag, "octc", ZFCP_DBF_TAG_SIZE) == 0) {
-		len += zfcp_dbf_view(out_buf + len, "cmd_req_code", "0x%04x",
-				     rec->type.ct.type.request.cmd_req_code);
-		len += zfcp_dbf_view(out_buf + len, "revision", "0x%02x",
-				     rec->type.ct.type.request.revision);
-		len += zfcp_dbf_view(out_buf + len, "gs_type", "0x%02x",
-				     rec->type.ct.type.request.gs_type);
-		len += zfcp_dbf_view(out_buf + len, "gs_subtype", "0x%02x",
-				     rec->type.ct.type.request.gs_subtype);
-		len += zfcp_dbf_view(out_buf + len, "options", "0x%02x",
-				     rec->type.ct.type.request.options);
-		len += zfcp_dbf_view(out_buf + len, "max_res_size", "0x%04x",
-				     rec->type.ct.type.request.max_res_size);
-		total = rec->type.ct.payload_size;
-		buffer = rec->type.ct.payload;
+	zfcp_dbf_tag(&p, "tag", r->tag);
+	zfcp_dbf_out(&p, "fsf_reqid", "0x%0Lx", r->fsf_reqid);
+	zfcp_dbf_out(&p, "fsf_seqno", "0x%08x", r->fsf_seqno);
+	zfcp_dbf_out(&p, "s_id", "0x%06x", r->s_id);
+	zfcp_dbf_out(&p, "d_id", "0x%06x", r->d_id);
+
+	if (strncmp(r->tag, "octc", ZFCP_DBF_TAG_SIZE) == 0) {
+		struct zfcp_san_dbf_record_ct_request *ct = &r->u.ct_req;
+		zfcp_dbf_out(&p, "cmd_req_code", "0x%04x", ct->cmd_req_code);
+		zfcp_dbf_out(&p, "revision", "0x%02x", ct->revision);
+		zfcp_dbf_out(&p, "gs_type", "0x%02x", ct->gs_type);
+		zfcp_dbf_out(&p, "gs_subtype", "0x%02x", ct->gs_subtype);
+		zfcp_dbf_out(&p, "options", "0x%02x", ct->options);
+		zfcp_dbf_out(&p, "max_res_size", "0x%04x", ct->max_res_size);
+		total = ct->len;
+		buffer = ct->payload;
 		buflen = min(total, ZFCP_DBF_CT_PAYLOAD);
-	} else if (strncmp(rec->tag, "rctc", ZFCP_DBF_TAG_SIZE) == 0) {
-		len += zfcp_dbf_view(out_buf + len, "cmd_rsp_code", "0x%04x",
-				     rec->type.ct.type.response.cmd_rsp_code);
-		len += zfcp_dbf_view(out_buf + len, "revision", "0x%02x",
-				     rec->type.ct.type.response.revision);
-		len += zfcp_dbf_view(out_buf + len, "reason_code", "0x%02x",
-				     rec->type.ct.type.response.reason_code);
-		len +=
-		    zfcp_dbf_view(out_buf + len, "reason_code_expl", "0x%02x",
-				  rec->type.ct.type.response.reason_code_expl);
-		len +=
-		    zfcp_dbf_view(out_buf + len, "vendor_unique", "0x%02x",
-				  rec->type.ct.type.response.vendor_unique);
-		total = rec->type.ct.payload_size;
-		buffer = rec->type.ct.payload;
+	} else if (strncmp(r->tag, "rctc", ZFCP_DBF_TAG_SIZE) == 0) {
+		struct zfcp_san_dbf_record_ct_response *ct = &r->u.ct_resp;
+		zfcp_dbf_out(&p, "cmd_rsp_code", "0x%04x", ct->cmd_rsp_code);
+		zfcp_dbf_out(&p, "revision", "0x%02x", ct->revision);
+		zfcp_dbf_out(&p, "reason_code", "0x%02x", ct->reason_code);
+		zfcp_dbf_out(&p, "reason_code_expl", "0x%02x", ct->expl);
+		zfcp_dbf_out(&p, "vendor_unique", "0x%02x", ct->vendor_unique);
+		total = ct->len;
+		buffer = ct->payload;
 		buflen = min(total, ZFCP_DBF_CT_PAYLOAD);
-	} else if (strncmp(rec->tag, "oels", ZFCP_DBF_TAG_SIZE) == 0 ||
-		   strncmp(rec->tag, "rels", ZFCP_DBF_TAG_SIZE) == 0 ||
-		   strncmp(rec->tag, "iels", ZFCP_DBF_TAG_SIZE) == 0) {
-		len += zfcp_dbf_view(out_buf + len, "ls_code", "0x%02x",
-				     rec->type.els.ls_code);
-		total = rec->type.els.payload_size;
-		buffer = rec->type.els.payload;
+	} else if (strncmp(r->tag, "oels", ZFCP_DBF_TAG_SIZE) == 0 ||
+		   strncmp(r->tag, "rels", ZFCP_DBF_TAG_SIZE) == 0 ||
+		   strncmp(r->tag, "iels", ZFCP_DBF_TAG_SIZE) == 0) {
+		struct zfcp_san_dbf_record_els *els = &r->u.els;
+		zfcp_dbf_out(&p, "ls_code", "0x%02x", els->ls_code);
+		total = els->len;
+		buffer = els->payload;
 		buflen = min(total, ZFCP_DBF_ELS_PAYLOAD);
 	}
 
-	len += zfcp_dbf_view_dump(out_buf + len, "payload",
-				  buffer, buflen, 0, total);
-
+	zfcp_dbf_outd(&p, "payload", buffer, buflen, 0, total);
 	if (buflen == total)
-		len += sprintf(out_buf + len, "\n");
+		p += sprintf(p, "\n");
 
-	return len;
+	return p - out_buf;
 }
 
 static struct debug_view zfcp_san_dbf_view = {
@@ -696,12 +1028,11 @@ static struct debug_view zfcp_san_dbf_view = {
 	NULL
 };
 
-static void
-_zfcp_scsi_dbf_event_common(const char *tag, const char *tag2, int level,
-			    struct zfcp_adapter *adapter,
-			    struct scsi_cmnd *scsi_cmnd,
-			    struct zfcp_fsf_req *fsf_req,
-			    unsigned long old_req_id)
+static void zfcp_scsi_dbf_event(const char *tag, const char *tag2, int level,
+				struct zfcp_adapter *adapter,
+				struct scsi_cmnd *scsi_cmnd,
+				struct zfcp_fsf_req *fsf_req,
+				unsigned long old_req_id)
 {
 	struct zfcp_scsi_dbf_record *rec = &adapter->scsi_dbf_buf;
 	struct zfcp_dbf_dump *dump = (struct zfcp_dbf_dump *)rec;
@@ -712,7 +1043,7 @@ _zfcp_scsi_dbf_event_common(const char *tag, const char *tag2, int level,
 
 	spin_lock_irqsave(&adapter->scsi_dbf_lock, flags);
 	do {
-		memset(rec, 0, sizeof(struct zfcp_scsi_dbf_record));
+		memset(rec, 0, sizeof(*rec));
 		if (offset == 0) {
 			strncpy(rec->tag, tag, ZFCP_DBF_TAG_SIZE);
 			strncpy(rec->tag2, tag2, ZFCP_DBF_TAG_SIZE);
@@ -738,20 +1069,16 @@ _zfcp_scsi_dbf_event_common(const char *tag, const char *tag2, int level,
 				fcp_sns_info =
 				    zfcp_get_fcp_sns_info_ptr(fcp_rsp);
 
-				rec->type.fcp.rsp_validity =
-				    fcp_rsp->validity.value;
-				rec->type.fcp.rsp_scsi_status =
-				    fcp_rsp->scsi_status;
-				rec->type.fcp.rsp_resid = fcp_rsp->fcp_resid;
+				rec->rsp_validity = fcp_rsp->validity.value;
+				rec->rsp_scsi_status = fcp_rsp->scsi_status;
+				rec->rsp_resid = fcp_rsp->fcp_resid;
 				if (fcp_rsp->validity.bits.fcp_rsp_len_valid)
-					rec->type.fcp.rsp_code =
-					    *(fcp_rsp_info + 3);
+					rec->rsp_code = *(fcp_rsp_info + 3);
 				if (fcp_rsp->validity.bits.fcp_sns_len_valid) {
 					buflen = min((int)fcp_rsp->fcp_sns_len,
 						     ZFCP_DBF_SCSI_MAX_FCP_SNS_INFO);
-					rec->type.fcp.sns_info_len = buflen;
-					memcpy(rec->type.fcp.sns_info,
-					       fcp_sns_info,
+					rec->sns_info_len = buflen;
+					memcpy(rec->sns_info, fcp_sns_info,
 					       min(buflen,
 						   ZFCP_DBF_SCSI_FCP_SNS_INFO));
 					offset += min(buflen,
@@ -762,7 +1089,7 @@ _zfcp_scsi_dbf_event_common(const char *tag, const char *tag2, int level,
 				rec->fsf_seqno = fsf_req->seq_no;
 				rec->fsf_issued = fsf_req->issued;
 			}
-			rec->type.old_fsf_reqid = old_req_id;
+			rec->old_fsf_reqid = old_req_id;
 		} else {
 			strncpy(dump->tag, "dump", ZFCP_DBF_TAG_SIZE);
 			dump->total_size = buflen;
@@ -774,108 +1101,101 @@ _zfcp_scsi_dbf_event_common(const char *tag, const char *tag2, int level,
 			memcpy(dump->data, fcp_sns_info + offset, dump->size);
 			offset += dump->size;
 		}
-		debug_event(adapter->scsi_dbf, level,
-			    rec, sizeof(struct zfcp_scsi_dbf_record));
+		debug_event(adapter->scsi_dbf, level, rec, sizeof(*rec));
 	} while (offset < buflen);
 	spin_unlock_irqrestore(&adapter->scsi_dbf_lock, flags);
 }
 
-void
-zfcp_scsi_dbf_event_result(const char *tag, int level,
-			   struct zfcp_adapter *adapter,
-			   struct scsi_cmnd *scsi_cmnd,
-			   struct zfcp_fsf_req *fsf_req)
+/**
+ * zfcp_scsi_dbf_event_result - trace event for SCSI command completion
+ * @tag: tag indicating success or failure of SCSI command
+ * @level: trace level applicable for this event
+ * @adapter: adapter that has been used to issue the SCSI command
+ * @scsi_cmnd: SCSI command pointer
+ * @fsf_req: request used to issue SCSI command (might be NULL)
+ */
+void zfcp_scsi_dbf_event_result(const char *tag, int level,
+				struct zfcp_adapter *adapter,
+				struct scsi_cmnd *scsi_cmnd,
+				struct zfcp_fsf_req *fsf_req)
 {
-	_zfcp_scsi_dbf_event_common("rslt", tag, level,
-			adapter, scsi_cmnd, fsf_req, 0);
+	zfcp_scsi_dbf_event("rslt", tag, level, adapter, scsi_cmnd, fsf_req, 0);
 }
 
-void
-zfcp_scsi_dbf_event_abort(const char *tag, struct zfcp_adapter *adapter,
-			  struct scsi_cmnd *scsi_cmnd,
-			  struct zfcp_fsf_req *new_fsf_req,
-			  unsigned long old_req_id)
+/**
+ * zfcp_scsi_dbf_event_abort - trace event for SCSI command abort
+ * @tag: tag indicating success or failure of abort operation
+ * @adapter: adapter thas has been used to issue SCSI command to be aborted
+ * @scsi_cmnd: SCSI command to be aborted
+ * @new_fsf_req: request containing abort (might be NULL)
+ * @old_req_id: identifier of request containg SCSI command to be aborted
+ */
+void zfcp_scsi_dbf_event_abort(const char *tag, struct zfcp_adapter *adapter,
+			       struct scsi_cmnd *scsi_cmnd,
+			       struct zfcp_fsf_req *new_fsf_req,
+			       unsigned long old_req_id)
 {
-	_zfcp_scsi_dbf_event_common("abrt", tag, 1,
-			adapter, scsi_cmnd, new_fsf_req, old_req_id);
+	zfcp_scsi_dbf_event("abrt", tag, 1, adapter, scsi_cmnd, new_fsf_req,
+			    old_req_id);
 }
 
-void
-zfcp_scsi_dbf_event_devreset(const char *tag, u8 flag, struct zfcp_unit *unit,
-			     struct scsi_cmnd *scsi_cmnd)
+/**
+ * zfcp_scsi_dbf_event_devreset - trace event for Logical Unit or Target Reset
+ * @tag: tag indicating success or failure of reset operation
+ * @flag: indicates type of reset (Target Reset, Logical Unit Reset)
+ * @unit: unit that needs reset
+ * @scsi_cmnd: SCSI command which caused this error recovery
+ */
+void zfcp_scsi_dbf_event_devreset(const char *tag, u8 flag,
+				  struct zfcp_unit *unit,
+				  struct scsi_cmnd *scsi_cmnd)
 {
-	struct zfcp_adapter *adapter = unit->port->adapter;
-
-	_zfcp_scsi_dbf_event_common(flag == FCP_TARGET_RESET ? "trst" : "lrst",
-			tag, 1, adapter, scsi_cmnd, NULL, 0);
+	zfcp_scsi_dbf_event(flag == FCP_TARGET_RESET ? "trst" : "lrst", tag, 1,
+			    unit->port->adapter, scsi_cmnd, NULL, 0);
 }
 
-static int
-zfcp_scsi_dbf_view_format(debug_info_t * id, struct debug_view *view,
-			  char *out_buf, const char *in_buf)
+static int zfcp_scsi_dbf_view_format(debug_info_t *id, struct debug_view *view,
+				     char *out_buf, const char *in_buf)
 {
-	struct zfcp_scsi_dbf_record *rec =
-	    (struct zfcp_scsi_dbf_record *)in_buf;
-	int len = 0;
+	struct zfcp_scsi_dbf_record *r = (struct zfcp_scsi_dbf_record *)in_buf;
+	struct timespec t;
+	char *p = out_buf;
 
-	if (strncmp(rec->tag, "dump", ZFCP_DBF_TAG_SIZE) == 0)
+	if (strncmp(r->tag, "dump", ZFCP_DBF_TAG_SIZE) == 0)
 		return 0;
 
-	len += zfcp_dbf_tag(out_buf + len, "tag", rec->tag);
-	len += zfcp_dbf_tag(out_buf + len, "tag2", rec->tag2);
-	len += zfcp_dbf_view(out_buf + len, "scsi_id", "0x%08x", rec->scsi_id);
-	len += zfcp_dbf_view(out_buf + len, "scsi_lun", "0x%08x",
-			     rec->scsi_lun);
-	len += zfcp_dbf_view(out_buf + len, "scsi_result", "0x%08x",
-			     rec->scsi_result);
-	len += zfcp_dbf_view(out_buf + len, "scsi_cmnd", "0x%0Lx",
-			     rec->scsi_cmnd);
-	len += zfcp_dbf_view(out_buf + len, "scsi_serial", "0x%016Lx",
-			     rec->scsi_serial);
-	len += zfcp_dbf_view_dump(out_buf + len, "scsi_opcode",
-				  rec->scsi_opcode,
-				  ZFCP_DBF_SCSI_OPCODE,
-				  0, ZFCP_DBF_SCSI_OPCODE);
-	len += zfcp_dbf_view(out_buf + len, "scsi_retries", "0x%02x",
-			     rec->scsi_retries);
-	len += zfcp_dbf_view(out_buf + len, "scsi_allowed", "0x%02x",
-			     rec->scsi_allowed);
-	if (strncmp(rec->tag, "abrt", ZFCP_DBF_TAG_SIZE) == 0) {
-		len += zfcp_dbf_view(out_buf + len, "old_fsf_reqid", "0x%0Lx",
-				     rec->type.old_fsf_reqid);
-	}
-	len += zfcp_dbf_view(out_buf + len, "fsf_reqid", "0x%0Lx",
-			     rec->fsf_reqid);
-	len += zfcp_dbf_view(out_buf + len, "fsf_seqno", "0x%08x",
-			     rec->fsf_seqno);
-	len += zfcp_dbf_stck(out_buf + len, "fsf_issued", rec->fsf_issued);
-	if (strncmp(rec->tag, "rslt", ZFCP_DBF_TAG_SIZE) == 0) {
-		len +=
-		    zfcp_dbf_view(out_buf + len, "fcp_rsp_validity", "0x%02x",
-				  rec->type.fcp.rsp_validity);
-		len +=
-		    zfcp_dbf_view(out_buf + len, "fcp_rsp_scsi_status",
-				  "0x%02x", rec->type.fcp.rsp_scsi_status);
-		len +=
-		    zfcp_dbf_view(out_buf + len, "fcp_rsp_resid", "0x%08x",
-				  rec->type.fcp.rsp_resid);
-		len +=
-		    zfcp_dbf_view(out_buf + len, "fcp_rsp_code", "0x%08x",
-				  rec->type.fcp.rsp_code);
-		len +=
-		    zfcp_dbf_view(out_buf + len, "fcp_sns_info_len", "0x%08x",
-				  rec->type.fcp.sns_info_len);
-		len +=
-		    zfcp_dbf_view_dump(out_buf + len, "fcp_sns_info",
-				       rec->type.fcp.sns_info,
-				       min((int)rec->type.fcp.sns_info_len,
-					   ZFCP_DBF_SCSI_FCP_SNS_INFO), 0,
-				       rec->type.fcp.sns_info_len);
+	zfcp_dbf_tag(&p, "tag", r->tag);
+	zfcp_dbf_tag(&p, "tag2", r->tag2);
+	zfcp_dbf_out(&p, "scsi_id", "0x%08x", r->scsi_id);
+	zfcp_dbf_out(&p, "scsi_lun", "0x%08x", r->scsi_lun);
+	zfcp_dbf_out(&p, "scsi_result", "0x%08x", r->scsi_result);
+	zfcp_dbf_out(&p, "scsi_cmnd", "0x%0Lx", r->scsi_cmnd);
+	zfcp_dbf_out(&p, "scsi_serial", "0x%016Lx", r->scsi_serial);
+	zfcp_dbf_outd(&p, "scsi_opcode", r->scsi_opcode, ZFCP_DBF_SCSI_OPCODE,
+		      0, ZFCP_DBF_SCSI_OPCODE);
+	zfcp_dbf_out(&p, "scsi_retries", "0x%02x", r->scsi_retries);
+	zfcp_dbf_out(&p, "scsi_allowed", "0x%02x", r->scsi_allowed);
+	if (strncmp(r->tag, "abrt", ZFCP_DBF_TAG_SIZE) == 0)
+		zfcp_dbf_out(&p, "old_fsf_reqid", "0x%0Lx", r->old_fsf_reqid);
+	zfcp_dbf_out(&p, "fsf_reqid", "0x%0Lx", r->fsf_reqid);
+	zfcp_dbf_out(&p, "fsf_seqno", "0x%08x", r->fsf_seqno);
+	zfcp_dbf_timestamp(r->fsf_issued, &t);
+	zfcp_dbf_out(&p, "fsf_issued", "%011lu:%06lu", t.tv_sec, t.tv_nsec);
+
+	if (strncmp(r->tag, "rslt", ZFCP_DBF_TAG_SIZE) == 0) {
+		zfcp_dbf_out(&p, "fcp_rsp_validity", "0x%02x", r->rsp_validity);
+		zfcp_dbf_out(&p, "fcp_rsp_scsi_status", "0x%02x",
+			     r->rsp_scsi_status);
+		zfcp_dbf_out(&p, "fcp_rsp_resid", "0x%08x", r->rsp_resid);
+		zfcp_dbf_out(&p, "fcp_rsp_code", "0x%08x", r->rsp_code);
+		zfcp_dbf_out(&p, "fcp_sns_info_len", "0x%08x", r->sns_info_len);
+		zfcp_dbf_outd(&p, "fcp_sns_info", r->sns_info,
+			      min((int)r->sns_info_len,
+			      ZFCP_DBF_SCSI_FCP_SNS_INFO), 0,
+			      r->sns_info_len);
 	}
-
-	len += sprintf(out_buf + len, "\n");
-
-	return len;
+	p += sprintf(p, "\n");
+	return p - out_buf;
 }
 
 static struct debug_view zfcp_scsi_dbf_view = {
@@ -897,13 +1217,14 @@ int zfcp_adapter_debug_register(struct zfcp_adapter *adapter)
 	char dbf_name[DEBUG_MAX_NAME_LEN];
 
 	/* debug feature area which records recovery activity */
-	sprintf(dbf_name, "zfcp_%s_erp", zfcp_get_busid_by_adapter(adapter));
-	adapter->erp_dbf = debug_register(dbf_name, dbfsize, 2,
-					  sizeof(struct zfcp_erp_dbf_record));
-	if (!adapter->erp_dbf)
+	sprintf(dbf_name, "zfcp_%s_rec", zfcp_get_busid_by_adapter(adapter));
+	adapter->rec_dbf = debug_register(dbf_name, dbfsize, 1,
+					  sizeof(struct zfcp_rec_dbf_record));
+	if (!adapter->rec_dbf)
 		goto failed;
-	debug_register_view(adapter->erp_dbf, &debug_hex_ascii_view);
-	debug_set_level(adapter->erp_dbf, 3);
+	debug_register_view(adapter->rec_dbf, &debug_hex_ascii_view);
+	debug_register_view(adapter->rec_dbf, &zfcp_rec_dbf_view);
+	debug_set_level(adapter->rec_dbf, 3);
 
 	/* debug feature area which records HBA (FSF and QDIO) conditions */
 	sprintf(dbf_name, "zfcp_%s_hba", zfcp_get_busid_by_adapter(adapter));
@@ -952,11 +1273,11 @@ void zfcp_adapter_debug_unregister(struct zfcp_adapter *adapter)
 	debug_unregister(adapter->scsi_dbf);
 	debug_unregister(adapter->san_dbf);
 	debug_unregister(adapter->hba_dbf);
-	debug_unregister(adapter->erp_dbf);
+	debug_unregister(adapter->rec_dbf);
 	adapter->scsi_dbf = NULL;
 	adapter->san_dbf = NULL;
 	adapter->hba_dbf = NULL;
-	adapter->erp_dbf = NULL;
+	adapter->rec_dbf = NULL;
 }
 
 #undef ZFCP_LOG_AREA
diff --git a/drivers/s390/scsi/zfcp_dbf.h b/drivers/s390/scsi/zfcp_dbf.h
new file mode 100644
index 000000000000..54c34e483457
--- /dev/null
+++ b/drivers/s390/scsi/zfcp_dbf.h
@@ -0,0 +1,228 @@
+/*
+ * This file is part of the zfcp device driver for
+ * FCP adapters for IBM System z9 and zSeries.
+ *
+ * Copyright IBM Corp. 2008, 2008
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2, or (at your option)
+ * any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ */
+
+#ifndef ZFCP_DBF_H
+#define ZFCP_DBF_H
+
+#include "zfcp_fsf.h"
+
+#define ZFCP_DBF_TAG_SIZE      4
+
+struct zfcp_dbf_dump {
+	u8 tag[ZFCP_DBF_TAG_SIZE];
+	u32 total_size;		/* size of total dump data */
+	u32 offset;		/* how much data has being already dumped */
+	u32 size;		/* how much data comes with this record */
+	u8 data[];		/* dump data */
+} __attribute__ ((packed));
+
+struct zfcp_rec_dbf_record_thread {
+	u32 total;
+	u32 ready;
+	u32 running;
+} __attribute__ ((packed));
+
+struct zfcp_rec_dbf_record_target {
+	u64 ref;
+	u32 status;
+	u32 d_id;
+	u64 wwpn;
+	u64 fcp_lun;
+	u32 erp_count;
+} __attribute__ ((packed));
+
+struct zfcp_rec_dbf_record_trigger {
+	u8 want;
+	u8 need;
+	u32 as;
+	u32 ps;
+	u32 us;
+	u64 ref;
+	u64 action;
+	u64 wwpn;
+	u64 fcp_lun;
+} __attribute__ ((packed));
+
+struct zfcp_rec_dbf_record_action {
+	u32 status;
+	u32 step;
+	u64 action;
+	u64 fsf_req;
+} __attribute__ ((packed));
+
+struct zfcp_rec_dbf_record {
+	u8 id;
+	u8 id2;
+	union {
+		struct zfcp_rec_dbf_record_action action;
+		struct zfcp_rec_dbf_record_thread thread;
+		struct zfcp_rec_dbf_record_target target;
+		struct zfcp_rec_dbf_record_trigger trigger;
+	} u;
+} __attribute__ ((packed));
+
+enum {
+	ZFCP_REC_DBF_ID_ACTION,
+	ZFCP_REC_DBF_ID_THREAD,
+	ZFCP_REC_DBF_ID_TARGET,
+	ZFCP_REC_DBF_ID_TRIGGER,
+};
+
+struct zfcp_hba_dbf_record_response {
+	u32 fsf_command;
+	u64 fsf_reqid;
+	u32 fsf_seqno;
+	u64 fsf_issued;
+	u32 fsf_prot_status;
+	u32 fsf_status;
+	u8 fsf_prot_status_qual[FSF_PROT_STATUS_QUAL_SIZE];
+	u8 fsf_status_qual[FSF_STATUS_QUALIFIER_SIZE];
+	u32 fsf_req_status;
+	u8 sbal_first;
+	u8 sbal_curr;
+	u8 sbal_last;
+	u8 pool;
+	u64 erp_action;
+	union {
+		struct {
+			u64 cmnd;
+			u64 serial;
+		} fcp;
+		struct {
+			u64 wwpn;
+			u32 d_id;
+			u32 port_handle;
+		} port;
+		struct {
+			u64 wwpn;
+			u64 fcp_lun;
+			u32 port_handle;
+			u32 lun_handle;
+		} unit;
+		struct {
+			u32 d_id;
+			u8 ls_code;
+		} els;
+	} u;
+} __attribute__ ((packed));
+
+struct zfcp_hba_dbf_record_status {
+	u8 failed;
+	u32 status_type;
+	u32 status_subtype;
+	struct fsf_queue_designator
+	 queue_designator;
+	u32 payload_size;
+#define ZFCP_DBF_UNSOL_PAYLOAD				80
+#define ZFCP_DBF_UNSOL_PAYLOAD_SENSE_DATA_AVAIL		32
+#define ZFCP_DBF_UNSOL_PAYLOAD_BIT_ERROR_THRESHOLD	56
+#define ZFCP_DBF_UNSOL_PAYLOAD_FEATURE_UPDATE_ALERT	2 * sizeof(u32)
+	u8 payload[ZFCP_DBF_UNSOL_PAYLOAD];
+} __attribute__ ((packed));
+
+struct zfcp_hba_dbf_record_qdio {
+	u32 status;
+	u32 qdio_error;
+	u32 siga_error;
+	u8 sbal_index;
+	u8 sbal_count;
+} __attribute__ ((packed));
+
+struct zfcp_hba_dbf_record {
+	u8 tag[ZFCP_DBF_TAG_SIZE];
+	u8 tag2[ZFCP_DBF_TAG_SIZE];
+	union {
+		struct zfcp_hba_dbf_record_response response;
+		struct zfcp_hba_dbf_record_status status;
+		struct zfcp_hba_dbf_record_qdio qdio;
+	} u;
+} __attribute__ ((packed));
+
+struct zfcp_san_dbf_record_ct_request {
+	u16 cmd_req_code;
+	u8 revision;
+	u8 gs_type;
+	u8 gs_subtype;
+	u8 options;
+	u16 max_res_size;
+	u32 len;
+#define ZFCP_DBF_CT_PAYLOAD	24
+	u8 payload[ZFCP_DBF_CT_PAYLOAD];
+} __attribute__ ((packed));
+
+struct zfcp_san_dbf_record_ct_response {
+	u16 cmd_rsp_code;
+	u8 revision;
+	u8 reason_code;
+	u8 expl;
+	u8 vendor_unique;
+	u32 len;
+	u8 payload[ZFCP_DBF_CT_PAYLOAD];
+} __attribute__ ((packed));
+
+struct zfcp_san_dbf_record_els {
+	u8 ls_code;
+	u32 len;
+#define ZFCP_DBF_ELS_PAYLOAD	32
+#define ZFCP_DBF_ELS_MAX_PAYLOAD 1024
+	u8 payload[ZFCP_DBF_ELS_PAYLOAD];
+} __attribute__ ((packed));
+
+struct zfcp_san_dbf_record {
+	u8 tag[ZFCP_DBF_TAG_SIZE];
+	u64 fsf_reqid;
+	u32 fsf_seqno;
+	u32 s_id;
+	u32 d_id;
+	union {
+		struct zfcp_san_dbf_record_ct_request ct_req;
+		struct zfcp_san_dbf_record_ct_response ct_resp;
+		struct zfcp_san_dbf_record_els els;
+	} u;
+} __attribute__ ((packed));
+
+struct zfcp_scsi_dbf_record {
+	u8 tag[ZFCP_DBF_TAG_SIZE];
+	u8 tag2[ZFCP_DBF_TAG_SIZE];
+	u32 scsi_id;
+	u32 scsi_lun;
+	u32 scsi_result;
+	u64 scsi_cmnd;
+	u64 scsi_serial;
+#define ZFCP_DBF_SCSI_OPCODE	16
+	u8 scsi_opcode[ZFCP_DBF_SCSI_OPCODE];
+	u8 scsi_retries;
+	u8 scsi_allowed;
+	u64 fsf_reqid;
+	u32 fsf_seqno;
+	u64 fsf_issued;
+	u64 old_fsf_reqid;
+	u8 rsp_validity;
+	u8 rsp_scsi_status;
+	u32 rsp_resid;
+	u8 rsp_code;
+#define ZFCP_DBF_SCSI_FCP_SNS_INFO	16
+#define ZFCP_DBF_SCSI_MAX_FCP_SNS_INFO	256
+	u32 sns_info_len;
+	u8 sns_info[ZFCP_DBF_SCSI_FCP_SNS_INFO];
+} __attribute__ ((packed));
+
+#endif /* ZFCP_DBF_H */
diff --git a/drivers/s390/scsi/zfcp_def.h b/drivers/s390/scsi/zfcp_def.h
index 45a7cd98c140..bda8c77b22da 100644
--- a/drivers/s390/scsi/zfcp_def.h
+++ b/drivers/s390/scsi/zfcp_def.h
@@ -47,6 +47,7 @@
 #include <asm/qdio.h>
 #include <asm/debug.h>
 #include <asm/ebcdic.h>
+#include "zfcp_dbf.h"
 #include "zfcp_fsf.h"
 
 
@@ -262,167 +263,6 @@ struct fcp_logo {
 } __attribute__((packed));
 
 /*
- * DBF stuff
- */
-#define ZFCP_DBF_TAG_SIZE      4
-
-struct zfcp_dbf_dump {
-	u8 tag[ZFCP_DBF_TAG_SIZE];
-	u32 total_size;		/* size of total dump data */
-	u32 offset;		/* how much data has being already dumped */
-	u32 size;		/* how much data comes with this record */
-	u8 data[];		/* dump data */
-} __attribute__ ((packed));
-
-/* FIXME: to be inflated when reworking the erp dbf */
-struct zfcp_erp_dbf_record {
-	u8 dummy[16];
-} __attribute__ ((packed));
-
-struct zfcp_hba_dbf_record_response {
-	u32 fsf_command;
-	u64 fsf_reqid;
-	u32 fsf_seqno;
-	u64 fsf_issued;
-	u32 fsf_prot_status;
-	u32 fsf_status;
-	u8 fsf_prot_status_qual[FSF_PROT_STATUS_QUAL_SIZE];
-	u8 fsf_status_qual[FSF_STATUS_QUALIFIER_SIZE];
-	u32 fsf_req_status;
-	u8 sbal_first;
-	u8 sbal_curr;
-	u8 sbal_last;
-	u8 pool;
-	u64 erp_action;
-	union {
-		struct {
-			u64 scsi_cmnd;
-			u64 scsi_serial;
-		} send_fcp;
-		struct {
-			u64 wwpn;
-			u32 d_id;
-			u32 port_handle;
-		} port;
-		struct {
-			u64 wwpn;
-			u64 fcp_lun;
-			u32 port_handle;
-			u32 lun_handle;
-		} unit;
-		struct {
-			u32 d_id;
-			u8 ls_code;
-		} send_els;
-	} data;
-} __attribute__ ((packed));
-
-struct zfcp_hba_dbf_record_status {
-	u8 failed;
-	u32 status_type;
-	u32 status_subtype;
-	struct fsf_queue_designator
-	 queue_designator;
-	u32 payload_size;
-#define ZFCP_DBF_UNSOL_PAYLOAD				80
-#define ZFCP_DBF_UNSOL_PAYLOAD_SENSE_DATA_AVAIL		32
-#define ZFCP_DBF_UNSOL_PAYLOAD_BIT_ERROR_THRESHOLD	56
-#define ZFCP_DBF_UNSOL_PAYLOAD_FEATURE_UPDATE_ALERT	2 * sizeof(u32)
-	u8 payload[ZFCP_DBF_UNSOL_PAYLOAD];
-} __attribute__ ((packed));
-
-struct zfcp_hba_dbf_record_qdio {
-	u32 status;
-	u32 qdio_error;
-	u32 siga_error;
-	u8 sbal_index;
-	u8 sbal_count;
-} __attribute__ ((packed));
-
-struct zfcp_hba_dbf_record {
-	u8 tag[ZFCP_DBF_TAG_SIZE];
-	u8 tag2[ZFCP_DBF_TAG_SIZE];
-	union {
-		struct zfcp_hba_dbf_record_response response;
-		struct zfcp_hba_dbf_record_status status;
-		struct zfcp_hba_dbf_record_qdio qdio;
-	} type;
-} __attribute__ ((packed));
-
-struct zfcp_san_dbf_record_ct {
-	union {
-		struct {
-			u16 cmd_req_code;
-			u8 revision;
-			u8 gs_type;
-			u8 gs_subtype;
-			u8 options;
-			u16 max_res_size;
-		} request;
-		struct {
-			u16 cmd_rsp_code;
-			u8 revision;
-			u8 reason_code;
-			u8 reason_code_expl;
-			u8 vendor_unique;
-		} response;
-	} type;
-	u32 payload_size;
-#define ZFCP_DBF_CT_PAYLOAD	24
-	u8 payload[ZFCP_DBF_CT_PAYLOAD];
-} __attribute__ ((packed));
-
-struct zfcp_san_dbf_record_els {
-	u8 ls_code;
-	u32 payload_size;
-#define ZFCP_DBF_ELS_PAYLOAD	32
-#define ZFCP_DBF_ELS_MAX_PAYLOAD 1024
-	u8 payload[ZFCP_DBF_ELS_PAYLOAD];
-} __attribute__ ((packed));
-
-struct zfcp_san_dbf_record {
-	u8 tag[ZFCP_DBF_TAG_SIZE];
-	u64 fsf_reqid;
-	u32 fsf_seqno;
-	u32 s_id;
-	u32 d_id;
-	union {
-		struct zfcp_san_dbf_record_ct ct;
-		struct zfcp_san_dbf_record_els els;
-	} type;
-} __attribute__ ((packed));
-
-struct zfcp_scsi_dbf_record {
-	u8 tag[ZFCP_DBF_TAG_SIZE];
-	u8 tag2[ZFCP_DBF_TAG_SIZE];
-	u32 scsi_id;
-	u32 scsi_lun;
-	u32 scsi_result;
-	u64 scsi_cmnd;
-	u64 scsi_serial;
-#define ZFCP_DBF_SCSI_OPCODE	16
-	u8 scsi_opcode[ZFCP_DBF_SCSI_OPCODE];
-	u8 scsi_retries;
-	u8 scsi_allowed;
-	u64 fsf_reqid;
-	u32 fsf_seqno;
-	u64 fsf_issued;
-	union {
-		u64 old_fsf_reqid;
-		struct {
-			u8 rsp_validity;
-			u8 rsp_scsi_status;
-			u32 rsp_resid;
-			u8 rsp_code;
-#define ZFCP_DBF_SCSI_FCP_SNS_INFO	16
-#define ZFCP_DBF_SCSI_MAX_FCP_SNS_INFO	256
-			u32 sns_info_len;
-			u8 sns_info[ZFCP_DBF_SCSI_FCP_SNS_INFO];
-		} fcp;
-	} type;
-} __attribute__ ((packed));
-
-/*
  * FC-FS stuff
  */
 #define R_A_TOV				10 /* seconds */
@@ -634,7 +474,6 @@ do { \
 		 ZFCP_STATUS_PORT_NO_SCSI_ID)
 
 /* logical unit status */
-#define ZFCP_STATUS_UNIT_NOTSUPPUNITRESET	0x00000001
 #define ZFCP_STATUS_UNIT_TEMPORARY		0x00000002
 #define ZFCP_STATUS_UNIT_SHARED			0x00000004
 #define ZFCP_STATUS_UNIT_READONLY		0x00000008
@@ -917,15 +756,15 @@ struct zfcp_adapter {
 	u32			erp_low_mem_count; /* nr of erp actions waiting
 						      for memory */
 	struct zfcp_port	*nameserver_port;  /* adapter's nameserver */
-	debug_info_t		*erp_dbf;
+	debug_info_t		*rec_dbf;
 	debug_info_t		*hba_dbf;
 	debug_info_t		*san_dbf;          /* debug feature areas */
 	debug_info_t		*scsi_dbf;
-	spinlock_t		erp_dbf_lock;
+	spinlock_t		rec_dbf_lock;
 	spinlock_t		hba_dbf_lock;
 	spinlock_t		san_dbf_lock;
 	spinlock_t		scsi_dbf_lock;
-	struct zfcp_erp_dbf_record	erp_dbf_buf;
+	struct zfcp_rec_dbf_record	rec_dbf_buf;
 	struct zfcp_hba_dbf_record	hba_dbf_buf;
 	struct zfcp_san_dbf_record	san_dbf_buf;
 	struct zfcp_scsi_dbf_record	scsi_dbf_buf;
diff --git a/drivers/s390/scsi/zfcp_erp.c b/drivers/s390/scsi/zfcp_erp.c
index 2dc8110ebf74..805484658dd9 100644
--- a/drivers/s390/scsi/zfcp_erp.c
+++ b/drivers/s390/scsi/zfcp_erp.c
@@ -26,13 +26,17 @@
 static int zfcp_erp_adisc(struct zfcp_port *);
 static void zfcp_erp_adisc_handler(unsigned long);
 
-static int zfcp_erp_adapter_reopen_internal(struct zfcp_adapter *, int);
-static int zfcp_erp_port_forced_reopen_internal(struct zfcp_port *, int);
-static int zfcp_erp_port_reopen_internal(struct zfcp_port *, int);
-static int zfcp_erp_unit_reopen_internal(struct zfcp_unit *, int);
-
-static int zfcp_erp_port_reopen_all_internal(struct zfcp_adapter *, int);
-static int zfcp_erp_unit_reopen_all_internal(struct zfcp_port *, int);
+static int zfcp_erp_adapter_reopen_internal(struct zfcp_adapter *, int, u8,
+					    void *);
+static int zfcp_erp_port_forced_reopen_internal(struct zfcp_port *, int, u8,
+						void *);
+static int zfcp_erp_port_reopen_internal(struct zfcp_port *, int, u8, void *);
+static int zfcp_erp_unit_reopen_internal(struct zfcp_unit *, int, u8, void *);
+
+static int zfcp_erp_port_reopen_all_internal(struct zfcp_adapter *, int, u8,
+					     void *);
+static int zfcp_erp_unit_reopen_all_internal(struct zfcp_port *, int, u8,
+					     void *);
 
 static void zfcp_erp_adapter_block(struct zfcp_adapter *, int);
 static void zfcp_erp_adapter_unblock(struct zfcp_adapter *);
@@ -97,7 +101,8 @@ static void zfcp_erp_action_dismiss_unit(struct zfcp_unit *);
 static void zfcp_erp_action_dismiss(struct zfcp_erp_action *);
 
 static int zfcp_erp_action_enqueue(int, struct zfcp_adapter *,
-				   struct zfcp_port *, struct zfcp_unit *);
+				   struct zfcp_port *, struct zfcp_unit *,
+				   u8 id, void *ref);
 static int zfcp_erp_action_dequeue(struct zfcp_erp_action *);
 static void zfcp_erp_action_cleanup(int, struct zfcp_adapter *,
 				    struct zfcp_port *, struct zfcp_unit *,
@@ -128,11 +133,9 @@ static void zfcp_close_qdio(struct zfcp_adapter *adapter)
 	atomic_clear_mask(ZFCP_STATUS_ADAPTER_QDIOUP, &adapter->status);
 	write_unlock_irq(&req_queue->queue_lock);
 
-	debug_text_event(adapter->erp_dbf, 3, "qdio_down2a");
 	while (qdio_shutdown(adapter->ccw_device,
 			     QDIO_FLAG_CLEANUP_USING_CLEAR) == -EINPROGRESS)
 		ssleep(1);
-	debug_text_event(adapter->erp_dbf, 3, "qdio_down2b");
 
 	/* cleanup used outbound sbals */
 	count = atomic_read(&req_queue->free_count);
@@ -163,7 +166,7 @@ static void zfcp_close_fsf(struct zfcp_adapter *adapter)
 	/* reset FSF request sequence number */
 	adapter->fsf_req_seq_no = 0;
 	/* all ports and units are closed */
-	zfcp_erp_modify_adapter_status(adapter,
+	zfcp_erp_modify_adapter_status(adapter, 24, NULL,
 				       ZFCP_STATUS_COMMON_OPEN, ZFCP_CLEAR);
 }
 
@@ -179,7 +182,8 @@ static void zfcp_close_fsf(struct zfcp_adapter *adapter)
 static void zfcp_fsf_request_timeout_handler(unsigned long data)
 {
 	struct zfcp_adapter *adapter = (struct zfcp_adapter *) data;
-	zfcp_erp_adapter_reopen(adapter, ZFCP_STATUS_COMMON_ERP_FAILED);
+	zfcp_erp_adapter_reopen(adapter, ZFCP_STATUS_COMMON_ERP_FAILED, 62,
+				NULL);
 }
 
 void zfcp_fsf_start_timer(struct zfcp_fsf_req *fsf_req, unsigned long timeout)
@@ -200,12 +204,11 @@ void zfcp_fsf_start_timer(struct zfcp_fsf_req *fsf_req, unsigned long timeout)
  * returns:	0	- initiated action successfully
  *		<0	- failed to initiate action
  */
-static int
-zfcp_erp_adapter_reopen_internal(struct zfcp_adapter *adapter, int clear_mask)
+static int zfcp_erp_adapter_reopen_internal(struct zfcp_adapter *adapter,
+					    int clear_mask, u8 id, void *ref)
 {
 	int retval;
 
-	debug_text_event(adapter->erp_dbf, 5, "a_ro");
 	ZFCP_LOG_DEBUG("reopen adapter %s\n",
 		       zfcp_get_busid_by_adapter(adapter));
 
@@ -214,14 +217,13 @@ zfcp_erp_adapter_reopen_internal(struct zfcp_adapter *adapter, int clear_mask)
 	if (atomic_test_mask(ZFCP_STATUS_COMMON_ERP_FAILED, &adapter->status)) {
 		ZFCP_LOG_DEBUG("skipped reopen of failed adapter %s\n",
 			       zfcp_get_busid_by_adapter(adapter));
-		debug_text_event(adapter->erp_dbf, 5, "a_ro_f");
 		/* ensure propagation of failed status to new devices */
-		zfcp_erp_adapter_failed(adapter);
+		zfcp_erp_adapter_failed(adapter, 13, NULL);
 		retval = -EIO;
 		goto out;
 	}
 	retval = zfcp_erp_action_enqueue(ZFCP_ERP_ACTION_REOPEN_ADAPTER,
-					 adapter, NULL, NULL);
+					 adapter, NULL, NULL, id, ref);
 
  out:
 	return retval;
@@ -236,56 +238,56 @@ zfcp_erp_adapter_reopen_internal(struct zfcp_adapter *adapter, int clear_mask)
  * returns:	0	- initiated action successfully
  *		<0	- failed to initiate action
  */
-int
-zfcp_erp_adapter_reopen(struct zfcp_adapter *adapter, int clear_mask)
+int zfcp_erp_adapter_reopen(struct zfcp_adapter *adapter, int clear_mask,
+			    u8 id, void *ref)
 {
 	int retval;
 	unsigned long flags;
 
 	read_lock_irqsave(&zfcp_data.config_lock, flags);
 	write_lock(&adapter->erp_lock);
-	retval = zfcp_erp_adapter_reopen_internal(adapter, clear_mask);
+	retval = zfcp_erp_adapter_reopen_internal(adapter, clear_mask, id, ref);
 	write_unlock(&adapter->erp_lock);
 	read_unlock_irqrestore(&zfcp_data.config_lock, flags);
 
 	return retval;
 }
 
-int
-zfcp_erp_adapter_shutdown(struct zfcp_adapter *adapter, int clear_mask)
+int zfcp_erp_adapter_shutdown(struct zfcp_adapter *adapter, int clear_mask,
+			      u8 id, void *ref)
 {
 	int retval;
 
 	retval = zfcp_erp_adapter_reopen(adapter,
 					 ZFCP_STATUS_COMMON_RUNNING |
 					 ZFCP_STATUS_COMMON_ERP_FAILED |
-					 clear_mask);
+					 clear_mask, id, ref);
 
 	return retval;
 }
 
-int
-zfcp_erp_port_shutdown(struct zfcp_port *port, int clear_mask)
+int zfcp_erp_port_shutdown(struct zfcp_port *port, int clear_mask, u8 id,
+			   void *ref)
 {
 	int retval;
 
 	retval = zfcp_erp_port_reopen(port,
 				      ZFCP_STATUS_COMMON_RUNNING |
 				      ZFCP_STATUS_COMMON_ERP_FAILED |
-				      clear_mask);
+				      clear_mask, id, ref);
 
 	return retval;
 }
 
-int
-zfcp_erp_unit_shutdown(struct zfcp_unit *unit, int clear_mask)
+int zfcp_erp_unit_shutdown(struct zfcp_unit *unit, int clear_mask, u8 id,
+			   void *ref)
 {
 	int retval;
 
 	retval = zfcp_erp_unit_reopen(unit,
 				      ZFCP_STATUS_COMMON_RUNNING |
 				      ZFCP_STATUS_COMMON_ERP_FAILED |
-				      clear_mask);
+				      clear_mask, id, ref);
 
 	return retval;
 }
@@ -399,8 +401,7 @@ zfcp_erp_adisc_handler(unsigned long data)
 				"force physical port reopen "
 				"(adapter %s, port d_id=0x%06x)\n",
 				zfcp_get_busid_by_adapter(adapter), d_id);
-		debug_text_event(adapter->erp_dbf, 3, "forcreop");
-		if (zfcp_erp_port_forced_reopen(port, 0))
+		if (zfcp_erp_port_forced_reopen(port, 0, 63, NULL))
 			ZFCP_LOG_NORMAL("failed reopen of port "
 					"(adapter %s, wwpn=0x%016Lx)\n",
 					zfcp_get_busid_by_port(port),
@@ -427,7 +428,7 @@ zfcp_erp_adisc_handler(unsigned long data)
 				"adisc_resp_wwpn=0x%016Lx)\n",
 				zfcp_get_busid_by_port(port),
 				port->wwpn, (wwn_t) adisc->wwpn);
-		if (zfcp_erp_port_reopen(port, 0))
+		if (zfcp_erp_port_reopen(port, 0, 64, NULL))
 			ZFCP_LOG_NORMAL("failed reopen of port "
 					"(adapter %s, wwpn=0x%016Lx)\n",
 					zfcp_get_busid_by_port(port),
@@ -461,7 +462,7 @@ zfcp_test_link(struct zfcp_port *port)
 		ZFCP_LOG_NORMAL("reopen needed for port 0x%016Lx "
 				"on adapter %s\n ", port->wwpn,
 				zfcp_get_busid_by_port(port));
-		retval = zfcp_erp_port_forced_reopen(port, 0);
+		retval = zfcp_erp_port_forced_reopen(port, 0, 65, NULL);
 		if (retval != 0) {
 			ZFCP_LOG_NORMAL("reopen of remote port 0x%016Lx "
 					"on adapter %s failed\n", port->wwpn,
@@ -484,14 +485,11 @@ zfcp_test_link(struct zfcp_port *port)
  * returns:	0	- initiated action successfully
  *		<0	- failed to initiate action
  */
-static int
-zfcp_erp_port_forced_reopen_internal(struct zfcp_port *port, int clear_mask)
+static int zfcp_erp_port_forced_reopen_internal(struct zfcp_port *port,
+						int clear_mask, u8 id,
+						void *ref)
 {
 	int retval;
-	struct zfcp_adapter *adapter = port->adapter;
-
-	debug_text_event(adapter->erp_dbf, 5, "pf_ro");
-	debug_event(adapter->erp_dbf, 5, &port->wwpn, sizeof (wwn_t));
 
 	ZFCP_LOG_DEBUG("forced reopen of port 0x%016Lx on adapter %s\n",
 		       port->wwpn, zfcp_get_busid_by_port(port));
@@ -502,14 +500,12 @@ zfcp_erp_port_forced_reopen_internal(struct zfcp_port *port, int clear_mask)
 		ZFCP_LOG_DEBUG("skipped forced reopen of failed port 0x%016Lx "
 			       "on adapter %s\n", port->wwpn,
 			       zfcp_get_busid_by_port(port));
-		debug_text_event(adapter->erp_dbf, 5, "pf_ro_f");
-		debug_event(adapter->erp_dbf, 5, &port->wwpn, sizeof (wwn_t));
 		retval = -EIO;
 		goto out;
 	}
 
 	retval = zfcp_erp_action_enqueue(ZFCP_ERP_ACTION_REOPEN_PORT_FORCED,
-					 port->adapter, port, NULL);
+					 port->adapter, port, NULL, id, ref);
 
  out:
 	return retval;
@@ -524,8 +520,8 @@ zfcp_erp_port_forced_reopen_internal(struct zfcp_port *port, int clear_mask)
  * returns:	0	- initiated action successfully
  *		<0	- failed to initiate action
  */
-int
-zfcp_erp_port_forced_reopen(struct zfcp_port *port, int clear_mask)
+int zfcp_erp_port_forced_reopen(struct zfcp_port *port, int clear_mask, u8 id,
+				void *ref)
 {
 	int retval;
 	unsigned long flags;
@@ -534,7 +530,8 @@ zfcp_erp_port_forced_reopen(struct zfcp_port *port, int clear_mask)
 	adapter = port->adapter;
 	read_lock_irqsave(&zfcp_data.config_lock, flags);
 	write_lock(&adapter->erp_lock);
-	retval = zfcp_erp_port_forced_reopen_internal(port, clear_mask);
+	retval = zfcp_erp_port_forced_reopen_internal(port, clear_mask, id,
+						      ref);
 	write_unlock(&adapter->erp_lock);
 	read_unlock_irqrestore(&zfcp_data.config_lock, flags);
 
@@ -551,14 +548,10 @@ zfcp_erp_port_forced_reopen(struct zfcp_port *port, int clear_mask)
  * returns:	0	- initiated action successfully
  *		<0	- failed to initiate action
  */
-static int
-zfcp_erp_port_reopen_internal(struct zfcp_port *port, int clear_mask)
+static int zfcp_erp_port_reopen_internal(struct zfcp_port *port, int clear_mask,
+					 u8 id, void *ref)
 {
 	int retval;
-	struct zfcp_adapter *adapter = port->adapter;
-
-	debug_text_event(adapter->erp_dbf, 5, "p_ro");
-	debug_event(adapter->erp_dbf, 5, &port->wwpn, sizeof (wwn_t));
 
 	ZFCP_LOG_DEBUG("reopen of port 0x%016Lx on adapter %s\n",
 		       port->wwpn, zfcp_get_busid_by_port(port));
@@ -569,16 +562,14 @@ zfcp_erp_port_reopen_internal(struct zfcp_port *port, int clear_mask)
 		ZFCP_LOG_DEBUG("skipped reopen of failed port 0x%016Lx "
 			       "on adapter %s\n", port->wwpn,
 			       zfcp_get_busid_by_port(port));
-		debug_text_event(adapter->erp_dbf, 5, "p_ro_f");
-		debug_event(adapter->erp_dbf, 5, &port->wwpn, sizeof (wwn_t));
 		/* ensure propagation of failed status to new devices */
-		zfcp_erp_port_failed(port);
+		zfcp_erp_port_failed(port, 14, NULL);
 		retval = -EIO;
 		goto out;
 	}
 
 	retval = zfcp_erp_action_enqueue(ZFCP_ERP_ACTION_REOPEN_PORT,
-					 port->adapter, port, NULL);
+					 port->adapter, port, NULL, id, ref);
 
  out:
 	return retval;
@@ -594,8 +585,8 @@ zfcp_erp_port_reopen_internal(struct zfcp_port *port, int clear_mask)
  * correct locking. An error recovery task is initiated to do the reopen.
  * To wait for the completion of the reopen zfcp_erp_wait should be used.
  */
-int
-zfcp_erp_port_reopen(struct zfcp_port *port, int clear_mask)
+int zfcp_erp_port_reopen(struct zfcp_port *port, int clear_mask, u8 id,
+			 void *ref)
 {
 	int retval;
 	unsigned long flags;
@@ -603,7 +594,7 @@ zfcp_erp_port_reopen(struct zfcp_port *port, int clear_mask)
 
 	read_lock_irqsave(&zfcp_data.config_lock, flags);
 	write_lock(&adapter->erp_lock);
-	retval = zfcp_erp_port_reopen_internal(port, clear_mask);
+	retval = zfcp_erp_port_reopen_internal(port, clear_mask, id, ref);
 	write_unlock(&adapter->erp_lock);
 	read_unlock_irqrestore(&zfcp_data.config_lock, flags);
 
@@ -620,14 +611,12 @@ zfcp_erp_port_reopen(struct zfcp_port *port, int clear_mask)
  * returns:	0	- initiated action successfully
  *		<0	- failed to initiate action
  */
-static int
-zfcp_erp_unit_reopen_internal(struct zfcp_unit *unit, int clear_mask)
+static int zfcp_erp_unit_reopen_internal(struct zfcp_unit *unit, int clear_mask,
+					 u8 id, void *ref)
 {
 	int retval;
 	struct zfcp_adapter *adapter = unit->port->adapter;
 
-	debug_text_event(adapter->erp_dbf, 5, "u_ro");
-	debug_event(adapter->erp_dbf, 5, &unit->fcp_lun, sizeof (fcp_lun_t));
 	ZFCP_LOG_DEBUG("reopen of unit 0x%016Lx on port 0x%016Lx "
 		       "on adapter %s\n", unit->fcp_lun,
 		       unit->port->wwpn, zfcp_get_busid_by_unit(unit));
@@ -639,15 +628,12 @@ zfcp_erp_unit_reopen_internal(struct zfcp_unit *unit, int clear_mask)
 			       "on port 0x%016Lx on adapter %s\n",
 			       unit->fcp_lun, unit->port->wwpn,
 			       zfcp_get_busid_by_unit(unit));
-		debug_text_event(adapter->erp_dbf, 5, "u_ro_f");
-		debug_event(adapter->erp_dbf, 5, &unit->fcp_lun,
-			    sizeof (fcp_lun_t));
 		retval = -EIO;
 		goto out;
 	}
 
 	retval = zfcp_erp_action_enqueue(ZFCP_ERP_ACTION_REOPEN_UNIT,
-					 unit->port->adapter, unit->port, unit);
+					 adapter, unit->port, unit, id, ref);
  out:
 	return retval;
 }
@@ -662,8 +648,8 @@ zfcp_erp_unit_reopen_internal(struct zfcp_unit *unit, int clear_mask)
  * locking. An error recovery task is initiated to do the reopen.
  * To wait for the completion of the reopen zfcp_erp_wait should be used.
  */
-int
-zfcp_erp_unit_reopen(struct zfcp_unit *unit, int clear_mask)
+int zfcp_erp_unit_reopen(struct zfcp_unit *unit, int clear_mask, u8 id,
+			 void *ref)
 {
 	int retval;
 	unsigned long flags;
@@ -675,7 +661,7 @@ zfcp_erp_unit_reopen(struct zfcp_unit *unit, int clear_mask)
 
 	read_lock_irqsave(&zfcp_data.config_lock, flags);
 	write_lock(&adapter->erp_lock);
-	retval = zfcp_erp_unit_reopen_internal(unit, clear_mask);
+	retval = zfcp_erp_unit_reopen_internal(unit, clear_mask, id, ref);
 	write_unlock(&adapter->erp_lock);
 	read_unlock_irqrestore(&zfcp_data.config_lock, flags);
 
@@ -687,19 +673,43 @@ zfcp_erp_unit_reopen(struct zfcp_unit *unit, int clear_mask)
  */
 static void zfcp_erp_adapter_block(struct zfcp_adapter *adapter, int clear_mask)
 {
-	debug_text_event(adapter->erp_dbf, 6, "a_bl");
-	zfcp_erp_modify_adapter_status(adapter,
+	zfcp_erp_modify_adapter_status(adapter, 15, NULL,
 				       ZFCP_STATUS_COMMON_UNBLOCKED |
 				       clear_mask, ZFCP_CLEAR);
 }
 
+/* FIXME: isn't really atomic */
+/*
+ * returns the mask which has not been set so far, i.e.
+ * 0 if no bit has been changed, !0 if some bit has been changed
+ */
+static int atomic_test_and_set_mask(unsigned long mask, atomic_t *v)
+{
+	int changed_bits = (atomic_read(v) /*XOR*/^ mask) & mask;
+	atomic_set_mask(mask, v);
+	return changed_bits;
+}
+
+/* FIXME: isn't really atomic */
+/*
+ * returns the mask which has not been cleared so far, i.e.
+ * 0 if no bit has been changed, !0 if some bit has been changed
+ */
+static int atomic_test_and_clear_mask(unsigned long mask, atomic_t *v)
+{
+	int changed_bits = atomic_read(v) & mask;
+	atomic_clear_mask(mask, v);
+	return changed_bits;
+}
+
 /**
  * zfcp_erp_adapter_unblock - mark adapter as unblocked, allow scsi requests
  */
 static void zfcp_erp_adapter_unblock(struct zfcp_adapter *adapter)
 {
-	debug_text_event(adapter->erp_dbf, 6, "a_ubl");
-	atomic_set_mask(ZFCP_STATUS_COMMON_UNBLOCKED, &adapter->status);
+	if (atomic_test_and_set_mask(ZFCP_STATUS_COMMON_UNBLOCKED,
+				     &adapter->status))
+		zfcp_rec_dbf_event_adapter(16, NULL, adapter);
 }
 
 /*
@@ -714,11 +724,7 @@ static void zfcp_erp_adapter_unblock(struct zfcp_adapter *adapter)
 static void
 zfcp_erp_port_block(struct zfcp_port *port, int clear_mask)
 {
-	struct zfcp_adapter *adapter = port->adapter;
-
-	debug_text_event(adapter->erp_dbf, 6, "p_bl");
-	debug_event(adapter->erp_dbf, 6, &port->wwpn, sizeof (wwn_t));
-	zfcp_erp_modify_port_status(port,
+	zfcp_erp_modify_port_status(port, 17, NULL,
 				    ZFCP_STATUS_COMMON_UNBLOCKED | clear_mask,
 				    ZFCP_CLEAR);
 }
@@ -733,11 +739,9 @@ zfcp_erp_port_block(struct zfcp_port *port, int clear_mask)
 static void
 zfcp_erp_port_unblock(struct zfcp_port *port)
 {
-	struct zfcp_adapter *adapter = port->adapter;
-
-	debug_text_event(adapter->erp_dbf, 6, "p_ubl");
-	debug_event(adapter->erp_dbf, 6, &port->wwpn, sizeof (wwn_t));
-	atomic_set_mask(ZFCP_STATUS_COMMON_UNBLOCKED, &port->status);
+	if (atomic_test_and_set_mask(ZFCP_STATUS_COMMON_UNBLOCKED,
+				     &port->status))
+		zfcp_rec_dbf_event_port(18, NULL, port);
 }
 
 /*
@@ -752,11 +756,7 @@ zfcp_erp_port_unblock(struct zfcp_port *port)
 static void
 zfcp_erp_unit_block(struct zfcp_unit *unit, int clear_mask)
 {
-	struct zfcp_adapter *adapter = unit->port->adapter;
-
-	debug_text_event(adapter->erp_dbf, 6, "u_bl");
-	debug_event(adapter->erp_dbf, 6, &unit->fcp_lun, sizeof (fcp_lun_t));
-	zfcp_erp_modify_unit_status(unit,
+	zfcp_erp_modify_unit_status(unit, 19, NULL,
 				    ZFCP_STATUS_COMMON_UNBLOCKED | clear_mask,
 				    ZFCP_CLEAR);
 }
@@ -771,11 +771,9 @@ zfcp_erp_unit_block(struct zfcp_unit *unit, int clear_mask)
 static void
 zfcp_erp_unit_unblock(struct zfcp_unit *unit)
 {
-	struct zfcp_adapter *adapter = unit->port->adapter;
-
-	debug_text_event(adapter->erp_dbf, 6, "u_ubl");
-	debug_event(adapter->erp_dbf, 6, &unit->fcp_lun, sizeof (fcp_lun_t));
-	atomic_set_mask(ZFCP_STATUS_COMMON_UNBLOCKED, &unit->status);
+	if (atomic_test_and_set_mask(ZFCP_STATUS_COMMON_UNBLOCKED,
+				     &unit->status))
+		zfcp_rec_dbf_event_unit(20, NULL, unit);
 }
 
 static void
@@ -783,11 +781,9 @@ zfcp_erp_action_ready(struct zfcp_erp_action *erp_action)
 {
 	struct zfcp_adapter *adapter = erp_action->adapter;
 
-	debug_text_event(adapter->erp_dbf, 4, "a_ar");
-	debug_event(adapter->erp_dbf, 4, &erp_action->action, sizeof (int));
-
 	zfcp_erp_action_to_ready(erp_action);
 	up(&adapter->erp_ready_sem);
+	zfcp_rec_dbf_event_thread(2, adapter, 0);
 }
 
 /*
@@ -849,18 +845,15 @@ zfcp_erp_strategy_check_fsfreq(struct zfcp_erp_action *erp_action)
 		if (zfcp_reqlist_find_safe(adapter, erp_action->fsf_req) &&
 		    erp_action->fsf_req->erp_action == erp_action) {
 			/* fsf_req still exists */
-			debug_text_event(adapter->erp_dbf, 3, "a_ca_req");
-			debug_event(adapter->erp_dbf, 3, &erp_action->fsf_req,
-				    sizeof (unsigned long));
 			/* dismiss fsf_req of timed out/dismissed erp_action */
 			if (erp_action->status & (ZFCP_STATUS_ERP_DISMISSED |
 						  ZFCP_STATUS_ERP_TIMEDOUT)) {
-				debug_text_event(adapter->erp_dbf, 3,
-						 "a_ca_disreq");
 				erp_action->fsf_req->status |=
 					ZFCP_STATUS_FSFREQ_DISMISSED;
+				zfcp_rec_dbf_event_action(142, erp_action);
 			}
 			if (erp_action->status & ZFCP_STATUS_ERP_TIMEDOUT) {
+				zfcp_rec_dbf_event_action(143, erp_action);
 				ZFCP_LOG_NORMAL("error: erp step timed out "
 						"(action=%d, fsf_req=%p)\n ",
 						erp_action->action,
@@ -879,7 +872,6 @@ zfcp_erp_strategy_check_fsfreq(struct zfcp_erp_action *erp_action)
 				erp_action->fsf_req = NULL;
 			}
 		} else {
-			debug_text_event(adapter->erp_dbf, 3, "a_ca_gonereq");
 			/*
 			 * even if this fsf_req has gone, forget about
 			 * association between erp_action and fsf_req
@@ -887,8 +879,7 @@ zfcp_erp_strategy_check_fsfreq(struct zfcp_erp_action *erp_action)
 			erp_action->fsf_req = NULL;
 		}
 		spin_unlock(&adapter->req_list_lock);
-	} else
-		debug_text_event(adapter->erp_dbf, 3, "a_ca_noreq");
+	}
 }
 
 /**
@@ -900,19 +891,11 @@ zfcp_erp_strategy_check_fsfreq(struct zfcp_erp_action *erp_action)
 static void zfcp_erp_async_handler_nolock(struct zfcp_erp_action *erp_action,
 					  unsigned long set_mask)
 {
-	struct zfcp_adapter *adapter = erp_action->adapter;
-
 	if (zfcp_erp_action_exists(erp_action) == ZFCP_ERP_ACTION_RUNNING) {
-		debug_text_event(adapter->erp_dbf, 2, "a_asyh_ex");
-		debug_event(adapter->erp_dbf, 2, &erp_action->action,
-			    sizeof (int));
 		erp_action->status |= set_mask;
 		zfcp_erp_action_ready(erp_action);
 	} else {
 		/* action is ready or gone - nothing to do */
-		debug_text_event(adapter->erp_dbf, 3, "a_asyh_gone");
-		debug_event(adapter->erp_dbf, 3, &erp_action->action,
-			    sizeof (int));
 	}
 }
 
@@ -939,10 +922,6 @@ static void
 zfcp_erp_memwait_handler(unsigned long data)
 {
 	struct zfcp_erp_action *erp_action = (struct zfcp_erp_action *) data;
-	struct zfcp_adapter *adapter = erp_action->adapter;
-
-	debug_text_event(adapter->erp_dbf, 2, "a_mwh");
-	debug_event(adapter->erp_dbf, 2, &erp_action->action, sizeof (int));
 
 	zfcp_erp_async_handler(erp_action, 0);
 }
@@ -955,10 +934,6 @@ zfcp_erp_memwait_handler(unsigned long data)
 static void zfcp_erp_timeout_handler(unsigned long data)
 {
 	struct zfcp_erp_action *erp_action = (struct zfcp_erp_action *) data;
-	struct zfcp_adapter *adapter = erp_action->adapter;
-
-	debug_text_event(adapter->erp_dbf, 2, "a_th");
-	debug_event(adapter->erp_dbf, 2, &erp_action->action, sizeof (int));
 
 	zfcp_erp_async_handler(erp_action, ZFCP_STATUS_ERP_TIMEDOUT);
 }
@@ -973,11 +948,6 @@ static void zfcp_erp_timeout_handler(unsigned long data)
  */
 static void zfcp_erp_action_dismiss(struct zfcp_erp_action *erp_action)
 {
-	struct zfcp_adapter *adapter = erp_action->adapter;
-
-	debug_text_event(adapter->erp_dbf, 2, "a_adis");
-	debug_event(adapter->erp_dbf, 2, &erp_action->action, sizeof (int));
-
 	erp_action->status |= ZFCP_STATUS_ERP_DISMISSED;
 	if (zfcp_erp_action_exists(erp_action) == ZFCP_ERP_ACTION_RUNNING)
 		zfcp_erp_action_ready(erp_action);
@@ -995,12 +965,10 @@ zfcp_erp_thread_setup(struct zfcp_adapter *adapter)
 		ZFCP_LOG_NORMAL("error: creation of erp thread failed for "
 				"adapter %s\n",
 				zfcp_get_busid_by_adapter(adapter));
-		debug_text_event(adapter->erp_dbf, 5, "a_thset_fail");
 	} else {
 		wait_event(adapter->erp_thread_wqh,
 			   atomic_test_mask(ZFCP_STATUS_ADAPTER_ERP_THREAD_UP,
 					    &adapter->status));
-		debug_text_event(adapter->erp_dbf, 5, "a_thset_ok");
 	}
 
 	return (retval < 0);
@@ -1027,6 +995,7 @@ zfcp_erp_thread_kill(struct zfcp_adapter *adapter)
 
 	atomic_set_mask(ZFCP_STATUS_ADAPTER_ERP_THREAD_KILL, &adapter->status);
 	up(&adapter->erp_ready_sem);
+	zfcp_rec_dbf_event_thread(2, adapter, 1);
 
 	wait_event(adapter->erp_thread_wqh,
 		   !atomic_test_mask(ZFCP_STATUS_ADAPTER_ERP_THREAD_UP,
@@ -1035,8 +1004,6 @@ zfcp_erp_thread_kill(struct zfcp_adapter *adapter)
 	atomic_clear_mask(ZFCP_STATUS_ADAPTER_ERP_THREAD_KILL,
 			  &adapter->status);
 
-	debug_text_event(adapter->erp_dbf, 5, "a_thki_ok");
-
 	return retval;
 }
 
@@ -1059,7 +1026,6 @@ zfcp_erp_thread(void *data)
 	/* Block all signals */
 	siginitsetinv(&current->blocked, 0);
 	atomic_set_mask(ZFCP_STATUS_ADAPTER_ERP_THREAD_UP, &adapter->status);
-	debug_text_event(adapter->erp_dbf, 5, "a_th_run");
 	wake_up(&adapter->erp_thread_wqh);
 
 	while (!atomic_test_mask(ZFCP_STATUS_ADAPTER_ERP_THREAD_KILL,
@@ -1084,12 +1050,12 @@ zfcp_erp_thread(void *data)
 		 * no action in 'ready' queue to be processed and
 		 * thread is not to be killed
 		 */
+		zfcp_rec_dbf_event_thread(4, adapter, 1);
 		down_interruptible(&adapter->erp_ready_sem);
-		debug_text_event(adapter->erp_dbf, 5, "a_th_woken");
+		zfcp_rec_dbf_event_thread(5, adapter, 1);
 	}
 
 	atomic_clear_mask(ZFCP_STATUS_ADAPTER_ERP_THREAD_UP, &adapter->status);
-	debug_text_event(adapter->erp_dbf, 5, "a_th_stop");
 	wake_up(&adapter->erp_thread_wqh);
 
 	return 0;
@@ -1125,7 +1091,6 @@ zfcp_erp_strategy(struct zfcp_erp_action *erp_action)
 	/* dequeue dismissed action and leave, if required */
 	retval = zfcp_erp_strategy_check_action(erp_action, retval);
 	if (retval == ZFCP_ERP_DISMISSED) {
-		debug_text_event(adapter->erp_dbf, 4, "a_st_dis1");
 		goto unlock;
 	}
 
@@ -1176,20 +1141,17 @@ zfcp_erp_strategy(struct zfcp_erp_action *erp_action)
 		   element was timed out.
 		 */
 		if (adapter->erp_total_count == adapter->erp_low_mem_count) {
-			debug_text_event(adapter->erp_dbf, 3, "a_st_lowmem");
 			ZFCP_LOG_NORMAL("error: no mempool elements available, "
 					"restarting I/O on adapter %s "
 					"to free mempool\n",
 					zfcp_get_busid_by_adapter(adapter));
-			zfcp_erp_adapter_reopen_internal(adapter, 0);
+			zfcp_erp_adapter_reopen_internal(adapter, 0, 66, NULL);
 		} else {
-		debug_text_event(adapter->erp_dbf, 2, "a_st_memw");
 		retval = zfcp_erp_strategy_memwait(erp_action);
 		}
 		goto unlock;
 	case ZFCP_ERP_CONTINUES:
 		/* leave since this action runs asynchronously */
-		debug_text_event(adapter->erp_dbf, 6, "a_st_cont");
 		if (erp_action->status & ZFCP_STATUS_ERP_LOWMEM) {
 			--adapter->erp_low_mem_count;
 			erp_action->status &= ~ZFCP_STATUS_ERP_LOWMEM;
@@ -1218,7 +1180,6 @@ zfcp_erp_strategy(struct zfcp_erp_action *erp_action)
 	 * action is repeated in order to process state change
 	 */
 	if (retval == ZFCP_ERP_EXIT) {
-		debug_text_event(adapter->erp_dbf, 2, "a_st_exit");
 		goto unlock;
 	}
 
@@ -1244,8 +1205,6 @@ zfcp_erp_strategy(struct zfcp_erp_action *erp_action)
 	if (retval != ZFCP_ERP_DISMISSED)
 		zfcp_erp_strategy_check_queues(adapter);
 
-	debug_text_event(adapter->erp_dbf, 6, "a_st_done");
-
 	return retval;
 }
 
@@ -1260,17 +1219,12 @@ zfcp_erp_strategy(struct zfcp_erp_action *erp_action)
 static int
 zfcp_erp_strategy_check_action(struct zfcp_erp_action *erp_action, int retval)
 {
-	struct zfcp_adapter *adapter = erp_action->adapter;
-
 	zfcp_erp_strategy_check_fsfreq(erp_action);
 
-	debug_event(adapter->erp_dbf, 5, &erp_action->action, sizeof (int));
 	if (erp_action->status & ZFCP_STATUS_ERP_DISMISSED) {
-		debug_text_event(adapter->erp_dbf, 3, "a_stcd_dis");
 		zfcp_erp_action_dequeue(erp_action);
 		retval = ZFCP_ERP_DISMISSED;
-	} else
-		debug_text_event(adapter->erp_dbf, 5, "a_stcd_nodis");
+	}
 
 	return retval;
 }
@@ -1279,7 +1233,6 @@ static int
 zfcp_erp_strategy_do_action(struct zfcp_erp_action *erp_action)
 {
 	int retval = ZFCP_ERP_FAILED;
-	struct zfcp_adapter *adapter = erp_action->adapter;
 
 	/*
 	 * try to execute/continue action as far as possible,
@@ -1309,9 +1262,6 @@ zfcp_erp_strategy_do_action(struct zfcp_erp_action *erp_action)
 		break;
 
 	default:
-		debug_text_exception(adapter->erp_dbf, 1, "a_stda_bug");
-		debug_event(adapter->erp_dbf, 1, &erp_action->action,
-			    sizeof (int));
 		ZFCP_LOG_NORMAL("bug: unknown erp action requested on "
 				"adapter %s (action=%d)\n",
 				zfcp_get_busid_by_adapter(erp_action->adapter),
@@ -1333,10 +1283,7 @@ static int
 zfcp_erp_strategy_memwait(struct zfcp_erp_action *erp_action)
 {
 	int retval = ZFCP_ERP_CONTINUES;
-	struct zfcp_adapter *adapter = erp_action->adapter;
 
-	debug_text_event(adapter->erp_dbf, 6, "a_mwinit");
-	debug_event(adapter->erp_dbf, 6, &erp_action->action, sizeof (int));
 	init_timer(&erp_action->timer);
 	erp_action->timer.function = zfcp_erp_memwait_handler;
 	erp_action->timer.data = (unsigned long) erp_action;
@@ -1353,13 +1300,12 @@ zfcp_erp_strategy_memwait(struct zfcp_erp_action *erp_action)
  *
  */
 void
-zfcp_erp_adapter_failed(struct zfcp_adapter *adapter)
+zfcp_erp_adapter_failed(struct zfcp_adapter *adapter, u8 id, void *ref)
 {
-	zfcp_erp_modify_adapter_status(adapter,
+	zfcp_erp_modify_adapter_status(adapter, id, ref,
 				       ZFCP_STATUS_COMMON_ERP_FAILED, ZFCP_SET);
 	ZFCP_LOG_NORMAL("adapter erp failed on adapter %s\n",
 			zfcp_get_busid_by_adapter(adapter));
-	debug_text_event(adapter->erp_dbf, 2, "a_afail");
 }
 
 /*
@@ -1369,9 +1315,9 @@ zfcp_erp_adapter_failed(struct zfcp_adapter *adapter)
  *
  */
 void
-zfcp_erp_port_failed(struct zfcp_port *port)
+zfcp_erp_port_failed(struct zfcp_port *port, u8 id, void *ref)
 {
-	zfcp_erp_modify_port_status(port,
+	zfcp_erp_modify_port_status(port, id, ref,
 				    ZFCP_STATUS_COMMON_ERP_FAILED, ZFCP_SET);
 
 	if (atomic_test_mask(ZFCP_STATUS_PORT_WKA, &port->status))
@@ -1381,9 +1327,6 @@ zfcp_erp_port_failed(struct zfcp_port *port)
 	else
 		ZFCP_LOG_NORMAL("port erp failed (adapter %s, wwpn=0x%016Lx)\n",
 				zfcp_get_busid_by_port(port), port->wwpn);
-
-	debug_text_event(port->adapter->erp_dbf, 2, "p_pfail");
-	debug_event(port->adapter->erp_dbf, 2, &port->wwpn, sizeof (wwn_t));
 }
 
 /*
@@ -1393,17 +1336,14 @@ zfcp_erp_port_failed(struct zfcp_port *port)
  *
  */
 void
-zfcp_erp_unit_failed(struct zfcp_unit *unit)
+zfcp_erp_unit_failed(struct zfcp_unit *unit, u8 id, void *ref)
 {
-	zfcp_erp_modify_unit_status(unit,
+	zfcp_erp_modify_unit_status(unit, id, ref,
 				    ZFCP_STATUS_COMMON_ERP_FAILED, ZFCP_SET);
 
 	ZFCP_LOG_NORMAL("unit erp failed on unit 0x%016Lx on port 0x%016Lx "
 			" on adapter %s\n", unit->fcp_lun,
 			unit->port->wwpn, zfcp_get_busid_by_unit(unit));
-	debug_text_event(unit->port->adapter->erp_dbf, 2, "u_ufail");
-	debug_event(unit->port->adapter->erp_dbf, 2,
-		    &unit->fcp_lun, sizeof (fcp_lun_t));
 }
 
 /*
@@ -1427,10 +1367,6 @@ zfcp_erp_strategy_check_target(struct zfcp_erp_action *erp_action, int result)
 	struct zfcp_port *port = erp_action->port;
 	struct zfcp_unit *unit = erp_action->unit;
 
-	debug_text_event(adapter->erp_dbf, 5, "a_stct_norm");
-	debug_event(adapter->erp_dbf, 5, &erp_action->action, sizeof (int));
-	debug_event(adapter->erp_dbf, 5, &result, sizeof (int));
-
 	switch (erp_action->action) {
 
 	case ZFCP_ERP_ACTION_REOPEN_UNIT:
@@ -1457,15 +1393,14 @@ zfcp_erp_strategy_statechange(int action,
 			      struct zfcp_port *port,
 			      struct zfcp_unit *unit, int retval)
 {
-	debug_text_event(adapter->erp_dbf, 3, "a_stsc");
-	debug_event(adapter->erp_dbf, 3, &action, sizeof (int));
-
 	switch (action) {
 
 	case ZFCP_ERP_ACTION_REOPEN_ADAPTER:
 		if (zfcp_erp_strategy_statechange_detected(&adapter->status,
 							   status)) {
-			zfcp_erp_adapter_reopen_internal(adapter, ZFCP_STATUS_COMMON_ERP_FAILED);
+			zfcp_erp_adapter_reopen_internal(adapter,
+						ZFCP_STATUS_COMMON_ERP_FAILED,
+						67, NULL);
 			retval = ZFCP_ERP_EXIT;
 		}
 		break;
@@ -1474,7 +1409,9 @@ zfcp_erp_strategy_statechange(int action,
 	case ZFCP_ERP_ACTION_REOPEN_PORT:
 		if (zfcp_erp_strategy_statechange_detected(&port->status,
 							   status)) {
-			zfcp_erp_port_reopen_internal(port, ZFCP_STATUS_COMMON_ERP_FAILED);
+			zfcp_erp_port_reopen_internal(port,
+						ZFCP_STATUS_COMMON_ERP_FAILED,
+						68, NULL);
 			retval = ZFCP_ERP_EXIT;
 		}
 		break;
@@ -1482,7 +1419,9 @@ zfcp_erp_strategy_statechange(int action,
 	case ZFCP_ERP_ACTION_REOPEN_UNIT:
 		if (zfcp_erp_strategy_statechange_detected(&unit->status,
 							   status)) {
-			zfcp_erp_unit_reopen_internal(unit, ZFCP_STATUS_COMMON_ERP_FAILED);
+			zfcp_erp_unit_reopen_internal(unit,
+						ZFCP_STATUS_COMMON_ERP_FAILED,
+						69, NULL);
 			retval = ZFCP_ERP_EXIT;
 		}
 		break;
@@ -1506,10 +1445,6 @@ zfcp_erp_strategy_statechange_detected(atomic_t * target_status, u32 erp_status)
 static int
 zfcp_erp_strategy_check_unit(struct zfcp_unit *unit, int result)
 {
-	debug_text_event(unit->port->adapter->erp_dbf, 5, "u_stct");
-	debug_event(unit->port->adapter->erp_dbf, 5, &unit->fcp_lun,
-		    sizeof (fcp_lun_t));
-
 	switch (result) {
 	case ZFCP_ERP_SUCCEEDED :
 		atomic_set(&unit->erp_counter, 0);
@@ -1518,7 +1453,7 @@ zfcp_erp_strategy_check_unit(struct zfcp_unit *unit, int result)
 	case ZFCP_ERP_FAILED :
 		atomic_inc(&unit->erp_counter);
 		if (atomic_read(&unit->erp_counter) > ZFCP_MAX_ERPS)
-			zfcp_erp_unit_failed(unit);
+			zfcp_erp_unit_failed(unit, 21, NULL);
 		break;
 	case ZFCP_ERP_EXIT :
 		/* nothing */
@@ -1536,9 +1471,6 @@ zfcp_erp_strategy_check_unit(struct zfcp_unit *unit, int result)
 static int
 zfcp_erp_strategy_check_port(struct zfcp_port *port, int result)
 {
-	debug_text_event(port->adapter->erp_dbf, 5, "p_stct");
-	debug_event(port->adapter->erp_dbf, 5, &port->wwpn, sizeof (wwn_t));
-
 	switch (result) {
 	case ZFCP_ERP_SUCCEEDED :
 		atomic_set(&port->erp_counter, 0);
@@ -1547,7 +1479,7 @@ zfcp_erp_strategy_check_port(struct zfcp_port *port, int result)
 	case ZFCP_ERP_FAILED :
 		atomic_inc(&port->erp_counter);
 		if (atomic_read(&port->erp_counter) > ZFCP_MAX_ERPS)
-			zfcp_erp_port_failed(port);
+			zfcp_erp_port_failed(port, 22, NULL);
 		break;
 	case ZFCP_ERP_EXIT :
 		/* nothing */
@@ -1565,8 +1497,6 @@ zfcp_erp_strategy_check_port(struct zfcp_port *port, int result)
 static int
 zfcp_erp_strategy_check_adapter(struct zfcp_adapter *adapter, int result)
 {
-	debug_text_event(adapter->erp_dbf, 5, "a_stct");
-
 	switch (result) {
 	case ZFCP_ERP_SUCCEEDED :
 		atomic_set(&adapter->erp_counter, 0);
@@ -1575,7 +1505,7 @@ zfcp_erp_strategy_check_adapter(struct zfcp_adapter *adapter, int result)
 	case ZFCP_ERP_FAILED :
 		atomic_inc(&adapter->erp_counter);
 		if (atomic_read(&adapter->erp_counter) > ZFCP_MAX_ERPS)
-			zfcp_erp_adapter_failed(adapter);
+			zfcp_erp_adapter_failed(adapter, 23, NULL);
 		break;
 	case ZFCP_ERP_EXIT :
 		/* nothing */
@@ -1658,37 +1588,34 @@ zfcp_erp_strategy_followup_actions(int action,
 				   struct zfcp_port *port,
 				   struct zfcp_unit *unit, int status)
 {
-	debug_text_event(adapter->erp_dbf, 5, "a_stfol");
-	debug_event(adapter->erp_dbf, 5, &action, sizeof (int));
-
 	/* initiate follow-up actions depending on success of finished action */
 	switch (action) {
 
 	case ZFCP_ERP_ACTION_REOPEN_ADAPTER:
 		if (status == ZFCP_ERP_SUCCEEDED)
-			zfcp_erp_port_reopen_all_internal(adapter, 0);
+			zfcp_erp_port_reopen_all_internal(adapter, 0, 70, NULL);
 		else
-			zfcp_erp_adapter_reopen_internal(adapter, 0);
+			zfcp_erp_adapter_reopen_internal(adapter, 0, 71, NULL);
 		break;
 
 	case ZFCP_ERP_ACTION_REOPEN_PORT_FORCED:
 		if (status == ZFCP_ERP_SUCCEEDED)
-			zfcp_erp_port_reopen_internal(port, 0);
+			zfcp_erp_port_reopen_internal(port, 0, 72, NULL);
 		else
-			zfcp_erp_adapter_reopen_internal(adapter, 0);
+			zfcp_erp_adapter_reopen_internal(adapter, 0, 73, NULL);
 		break;
 
 	case ZFCP_ERP_ACTION_REOPEN_PORT:
 		if (status == ZFCP_ERP_SUCCEEDED)
-			zfcp_erp_unit_reopen_all_internal(port, 0);
+			zfcp_erp_unit_reopen_all_internal(port, 0, 74, NULL);
 		else
-			zfcp_erp_port_forced_reopen_internal(port, 0);
+			zfcp_erp_port_forced_reopen_internal(port, 0, 75, NULL);
 		break;
 
 	case ZFCP_ERP_ACTION_REOPEN_UNIT:
 		/* Nothing to do if status == ZFCP_ERP_SUCCEEDED */
 		if (status != ZFCP_ERP_SUCCEEDED)
-			zfcp_erp_port_reopen_internal(unit->port, 0);
+			zfcp_erp_port_reopen_internal(unit->port, 0, 76, NULL);
 		break;
 	}
 
@@ -1704,12 +1631,10 @@ zfcp_erp_strategy_check_queues(struct zfcp_adapter *adapter)
 	read_lock(&adapter->erp_lock);
 	if (list_empty(&adapter->erp_ready_head) &&
 	    list_empty(&adapter->erp_running_head)) {
-			debug_text_event(adapter->erp_dbf, 4, "a_cq_wake");
 			atomic_clear_mask(ZFCP_STATUS_ADAPTER_ERP_PENDING,
 					  &adapter->status);
 			wake_up(&adapter->erp_done_wqh);
-	} else
-		debug_text_event(adapter->erp_dbf, 5, "a_cq_notempty");
+	}
 	read_unlock(&adapter->erp_lock);
 	read_unlock_irqrestore(&zfcp_data.config_lock, flags);
 
@@ -1733,29 +1658,27 @@ zfcp_erp_wait(struct zfcp_adapter *adapter)
 	return retval;
 }
 
-void
-zfcp_erp_modify_adapter_status(struct zfcp_adapter *adapter,
-			       u32 mask, int set_or_clear)
+void zfcp_erp_modify_adapter_status(struct zfcp_adapter *adapter, u8 id,
+				    void *ref, u32 mask, int set_or_clear)
 {
 	struct zfcp_port *port;
-	u32 common_mask = mask & ZFCP_COMMON_FLAGS;
+	u32 changed, common_mask = mask & ZFCP_COMMON_FLAGS;
 
 	if (set_or_clear == ZFCP_SET) {
-		atomic_set_mask(mask, &adapter->status);
-		debug_text_event(adapter->erp_dbf, 3, "a_mod_as_s");
+		changed = atomic_test_and_set_mask(mask, &adapter->status);
 	} else {
-		atomic_clear_mask(mask, &adapter->status);
+		changed = atomic_test_and_clear_mask(mask, &adapter->status);
 		if (mask & ZFCP_STATUS_COMMON_ERP_FAILED)
 			atomic_set(&adapter->erp_counter, 0);
-		debug_text_event(adapter->erp_dbf, 3, "a_mod_as_c");
 	}
-	debug_event(adapter->erp_dbf, 3, &mask, sizeof (u32));
+	if (changed)
+		zfcp_rec_dbf_event_adapter(id, ref, adapter);
 
 	/* Deal with all underlying devices, only pass common_mask */
 	if (common_mask)
 		list_for_each_entry(port, &adapter->port_list_head, list)
-		    zfcp_erp_modify_port_status(port, common_mask,
-						set_or_clear);
+			zfcp_erp_modify_port_status(port, id, ref, common_mask,
+						    set_or_clear);
 }
 
 /*
@@ -1764,29 +1687,27 @@ zfcp_erp_modify_adapter_status(struct zfcp_adapter *adapter,
  * purpose:	sets the port and all underlying devices to ERP_FAILED
  *
  */
-void
-zfcp_erp_modify_port_status(struct zfcp_port *port, u32 mask, int set_or_clear)
+void zfcp_erp_modify_port_status(struct zfcp_port *port, u8 id, void *ref,
+				 u32 mask, int set_or_clear)
 {
 	struct zfcp_unit *unit;
-	u32 common_mask = mask & ZFCP_COMMON_FLAGS;
+	u32 changed, common_mask = mask & ZFCP_COMMON_FLAGS;
 
 	if (set_or_clear == ZFCP_SET) {
-		atomic_set_mask(mask, &port->status);
-		debug_text_event(port->adapter->erp_dbf, 3, "p_mod_ps_s");
+		changed = atomic_test_and_set_mask(mask, &port->status);
 	} else {
-		atomic_clear_mask(mask, &port->status);
+		changed = atomic_test_and_clear_mask(mask, &port->status);
 		if (mask & ZFCP_STATUS_COMMON_ERP_FAILED)
 			atomic_set(&port->erp_counter, 0);
-		debug_text_event(port->adapter->erp_dbf, 3, "p_mod_ps_c");
 	}
-	debug_event(port->adapter->erp_dbf, 3, &port->wwpn, sizeof (wwn_t));
-	debug_event(port->adapter->erp_dbf, 3, &mask, sizeof (u32));
+	if (changed)
+		zfcp_rec_dbf_event_port(id, ref, port);
 
 	/* Modify status of all underlying devices, only pass common mask */
 	if (common_mask)
 		list_for_each_entry(unit, &port->unit_list_head, list)
-		    zfcp_erp_modify_unit_status(unit, common_mask,
-						set_or_clear);
+			zfcp_erp_modify_unit_status(unit, id, ref, common_mask,
+						    set_or_clear);
 }
 
 /*
@@ -1795,22 +1716,21 @@ zfcp_erp_modify_port_status(struct zfcp_port *port, u32 mask, int set_or_clear)
  * purpose:	sets the unit to ERP_FAILED
  *
  */
-void
-zfcp_erp_modify_unit_status(struct zfcp_unit *unit, u32 mask, int set_or_clear)
+void zfcp_erp_modify_unit_status(struct zfcp_unit *unit, u8 id, void *ref,
+				 u32 mask, int set_or_clear)
 {
+	u32 changed;
+
 	if (set_or_clear == ZFCP_SET) {
-		atomic_set_mask(mask, &unit->status);
-		debug_text_event(unit->port->adapter->erp_dbf, 3, "u_mod_us_s");
+		changed = atomic_test_and_set_mask(mask, &unit->status);
 	} else {
-		atomic_clear_mask(mask, &unit->status);
+		changed = atomic_test_and_clear_mask(mask, &unit->status);
 		if (mask & ZFCP_STATUS_COMMON_ERP_FAILED) {
 			atomic_set(&unit->erp_counter, 0);
 		}
-		debug_text_event(unit->port->adapter->erp_dbf, 3, "u_mod_us_c");
 	}
-	debug_event(unit->port->adapter->erp_dbf, 3, &unit->fcp_lun,
-		    sizeof (fcp_lun_t));
-	debug_event(unit->port->adapter->erp_dbf, 3, &mask, sizeof (u32));
+	if (changed)
+		zfcp_rec_dbf_event_unit(id, ref, unit);
 }
 
 /*
@@ -1822,30 +1742,32 @@ zfcp_erp_modify_unit_status(struct zfcp_unit *unit, u32 mask, int set_or_clear)
  * returns:	0	- initiated action successfully
  *		<0	- failed to initiate action
  */
-int
-zfcp_erp_port_reopen_all(struct zfcp_adapter *adapter, int clear_mask)
+int zfcp_erp_port_reopen_all(struct zfcp_adapter *adapter, int clear_mask,
+			     u8 id, void *ref)
 {
 	int retval;
 	unsigned long flags;
 
 	read_lock_irqsave(&zfcp_data.config_lock, flags);
 	write_lock(&adapter->erp_lock);
-	retval = zfcp_erp_port_reopen_all_internal(adapter, clear_mask);
+	retval = zfcp_erp_port_reopen_all_internal(adapter, clear_mask, id,
+						   ref);
 	write_unlock(&adapter->erp_lock);
 	read_unlock_irqrestore(&zfcp_data.config_lock, flags);
 
 	return retval;
 }
 
-static int
-zfcp_erp_port_reopen_all_internal(struct zfcp_adapter *adapter, int clear_mask)
+static int zfcp_erp_port_reopen_all_internal(struct zfcp_adapter *adapter,
+					     int clear_mask, u8 id, void *ref)
 {
 	int retval = 0;
 	struct zfcp_port *port;
 
 	list_for_each_entry(port, &adapter->port_list_head, list)
 		if (!atomic_test_mask(ZFCP_STATUS_PORT_WKA, &port->status))
-			zfcp_erp_port_reopen_internal(port, clear_mask);
+			zfcp_erp_port_reopen_internal(port, clear_mask, id,
+						      ref);
 
 	return retval;
 }
@@ -1857,14 +1779,14 @@ zfcp_erp_port_reopen_all_internal(struct zfcp_adapter *adapter, int clear_mask)
  *
  * returns:	FIXME
  */
-static int
-zfcp_erp_unit_reopen_all_internal(struct zfcp_port *port, int clear_mask)
+static int zfcp_erp_unit_reopen_all_internal(struct zfcp_port *port,
+					     int clear_mask, u8 id, void *ref)
 {
 	int retval = 0;
 	struct zfcp_unit *unit;
 
 	list_for_each_entry(unit, &port->unit_list_head, list)
-	    zfcp_erp_unit_reopen_internal(unit, clear_mask);
+		zfcp_erp_unit_reopen_internal(unit, clear_mask, id, ref);
 
 	return retval;
 }
@@ -1892,10 +1814,6 @@ zfcp_erp_adapter_strategy(struct zfcp_erp_action *erp_action)
 	else
 		retval = zfcp_erp_adapter_strategy_open(erp_action);
 
-	debug_text_event(adapter->erp_dbf, 3, "a_ast/ret");
-	debug_event(adapter->erp_dbf, 3, &erp_action->action, sizeof (int));
-	debug_event(adapter->erp_dbf, 3, &retval, sizeof (int));
-
 	if (retval == ZFCP_ERP_FAILED) {
 		ZFCP_LOG_INFO("Waiting to allow the adapter %s "
 			      "to recover itself\n",
@@ -2021,7 +1939,6 @@ zfcp_erp_adapter_strategy_open_qdio(struct zfcp_erp_action *erp_action)
 			      zfcp_get_busid_by_adapter(adapter));
 		goto failed_qdio_establish;
 	}
-	debug_text_event(adapter->erp_dbf, 3, "qdio_est");
 
 	if (qdio_activate(adapter->ccw_device, 0) != 0) {
 		ZFCP_LOG_INFO("error: activation of QDIO queues failed "
@@ -2029,7 +1946,6 @@ zfcp_erp_adapter_strategy_open_qdio(struct zfcp_erp_action *erp_action)
 			      zfcp_get_busid_by_adapter(adapter));
 		goto failed_qdio_activate;
 	}
-	debug_text_event(adapter->erp_dbf, 3, "qdio_act");
 
 	/*
 	 * put buffers into response queue,
@@ -2077,11 +1993,9 @@ zfcp_erp_adapter_strategy_open_qdio(struct zfcp_erp_action *erp_action)
 	/* NOP */
 
  failed_qdio_activate:
-	debug_text_event(adapter->erp_dbf, 3, "qdio_down1a");
 	while (qdio_shutdown(adapter->ccw_device,
 			     QDIO_FLAG_CLEANUP_USING_CLEAR) == -EINPROGRESS)
 		ssleep(1);
-	debug_text_event(adapter->erp_dbf, 3, "qdio_down1b");
 
  failed_qdio_establish:
  failed_sanity:
@@ -2127,14 +2041,12 @@ zfcp_erp_adapter_strategy_open_fsf_xconfig(struct zfcp_erp_action *erp_action)
 		write_unlock_irq(&adapter->erp_lock);
 		if (zfcp_fsf_exchange_config_data(erp_action)) {
 			retval = ZFCP_ERP_FAILED;
-			debug_text_event(adapter->erp_dbf, 5, "a_fstx_xf");
 			ZFCP_LOG_INFO("error:  initiation of exchange of "
 				      "configuration data failed for "
 				      "adapter %s\n",
 				      zfcp_get_busid_by_adapter(adapter));
 			break;
 		}
-		debug_text_event(adapter->erp_dbf, 6, "a_fstx_xok");
 		ZFCP_LOG_DEBUG("Xchange underway\n");
 
 		/*
@@ -2150,7 +2062,9 @@ zfcp_erp_adapter_strategy_open_fsf_xconfig(struct zfcp_erp_action *erp_action)
 		 * _must_ be the one belonging to the 'exchange config
 		 * data' request.
 		 */
+		zfcp_rec_dbf_event_thread(6, adapter, 1);
 		down(&adapter->erp_ready_sem);
+		zfcp_rec_dbf_event_thread(7, adapter, 1);
 		if (erp_action->status & ZFCP_STATUS_ERP_TIMEDOUT) {
 			ZFCP_LOG_INFO("error: exchange of configuration data "
 				      "for adapter %s timed out\n",
@@ -2198,16 +2112,15 @@ zfcp_erp_adapter_strategy_open_fsf_xport(struct zfcp_erp_action *erp_action)
 
 	ret = zfcp_fsf_exchange_port_data(erp_action);
 	if (ret == -EOPNOTSUPP) {
-		debug_text_event(adapter->erp_dbf, 3, "a_xport_notsupp");
 		return ZFCP_ERP_SUCCEEDED;
 	} else if (ret) {
-		debug_text_event(adapter->erp_dbf, 3, "a_xport_failed");
 		return ZFCP_ERP_FAILED;
 	}
-	debug_text_event(adapter->erp_dbf, 6, "a_xport_ok");
 
 	ret = ZFCP_ERP_SUCCEEDED;
+	zfcp_rec_dbf_event_thread(8, adapter, 1);
 	down(&adapter->erp_ready_sem);
+	zfcp_rec_dbf_event_thread(9, adapter, 1);
 	if (erp_action->status & ZFCP_STATUS_ERP_TIMEDOUT) {
 		ZFCP_LOG_INFO("error: exchange port data timed out (adapter "
 			      "%s)\n", zfcp_get_busid_by_adapter(adapter));
@@ -2261,7 +2174,6 @@ zfcp_erp_port_forced_strategy(struct zfcp_erp_action *erp_action)
 {
 	int retval = ZFCP_ERP_FAILED;
 	struct zfcp_port *port = erp_action->port;
-	struct zfcp_adapter *adapter = erp_action->adapter;
 
 	switch (erp_action->step) {
 
@@ -2298,11 +2210,6 @@ zfcp_erp_port_forced_strategy(struct zfcp_erp_action *erp_action)
 		break;
 	}
 
-	debug_text_event(adapter->erp_dbf, 3, "p_pfst/ret");
-	debug_event(adapter->erp_dbf, 3, &port->wwpn, sizeof (wwn_t));
-	debug_event(adapter->erp_dbf, 3, &erp_action->action, sizeof (int));
-	debug_event(adapter->erp_dbf, 3, &retval, sizeof (int));
-
 	return retval;
 }
 
@@ -2320,7 +2227,6 @@ zfcp_erp_port_strategy(struct zfcp_erp_action *erp_action)
 {
 	int retval = ZFCP_ERP_FAILED;
 	struct zfcp_port *port = erp_action->port;
-	struct zfcp_adapter *adapter = erp_action->adapter;
 
 	switch (erp_action->step) {
 
@@ -2353,11 +2259,6 @@ zfcp_erp_port_strategy(struct zfcp_erp_action *erp_action)
 		retval = zfcp_erp_port_strategy_open(erp_action);
 
  out:
-	debug_text_event(adapter->erp_dbf, 3, "p_pst/ret");
-	debug_event(adapter->erp_dbf, 3, &port->wwpn, sizeof (wwn_t));
-	debug_event(adapter->erp_dbf, 3, &erp_action->action, sizeof (int));
-	debug_event(adapter->erp_dbf, 3, &retval, sizeof (int));
-
 	return retval;
 }
 
@@ -2395,7 +2296,7 @@ zfcp_erp_port_strategy_open_common(struct zfcp_erp_action *erp_action)
 						port->wwpn,
 						zfcp_get_busid_by_adapter(adapter),
 						adapter->peer_wwpn);
-				zfcp_erp_port_failed(port);
+				zfcp_erp_port_failed(port, 25, NULL);
 				retval = ZFCP_ERP_FAILED;
 				break;
 			}
@@ -2421,8 +2322,8 @@ zfcp_erp_port_strategy_open_common(struct zfcp_erp_action *erp_action)
 			/* nameserver port may live again */
 			atomic_set_mask(ZFCP_STATUS_COMMON_RUNNING,
 					&adapter->nameserver_port->status);
-			if (zfcp_erp_port_reopen(adapter->nameserver_port, 0)
-			    >= 0) {
+			if (zfcp_erp_port_reopen(adapter->nameserver_port, 0,
+						 77, erp_action) >= 0) {
 				erp_action->step =
 					ZFCP_ERP_STEP_NAMESERVER_OPEN;
 				retval = ZFCP_ERP_CONTINUES;
@@ -2453,7 +2354,7 @@ zfcp_erp_port_strategy_open_common(struct zfcp_erp_action *erp_action)
 					       "for port 0x%016Lx "
 					       "(misconfigured WWPN?)\n",
 					       port->wwpn);
-				zfcp_erp_port_failed(port);
+				zfcp_erp_port_failed(port, 26, NULL);
 				retval = ZFCP_ERP_EXIT;
 			} else {
 				ZFCP_LOG_DEBUG("nameserver look-up failed for "
@@ -2549,17 +2450,12 @@ zfcp_erp_port_strategy_open_nameserver_wakeup(struct zfcp_erp_action
 	read_lock_irqsave(&adapter->erp_lock, flags);
 	list_for_each_entry_safe(erp_action, tmp, &adapter->erp_running_head,
 				 list) {
-		debug_text_event(adapter->erp_dbf, 4, "p_pstnsw_n");
-		debug_event(adapter->erp_dbf, 4, &erp_action->port->wwpn,
-			    sizeof (wwn_t));
 		if (erp_action->step == ZFCP_ERP_STEP_NAMESERVER_OPEN) {
-			debug_text_event(adapter->erp_dbf, 3, "p_pstnsw_w");
-			debug_event(adapter->erp_dbf, 3,
-				    &erp_action->port->wwpn, sizeof (wwn_t));
 			if (atomic_test_mask(
 				    ZFCP_STATUS_COMMON_ERP_FAILED,
 				    &adapter->nameserver_port->status))
-				zfcp_erp_port_failed(erp_action->port);
+				zfcp_erp_port_failed(erp_action->port, 27,
+						     NULL);
 			zfcp_erp_action_ready(erp_action);
 		}
 	}
@@ -2580,26 +2476,18 @@ static int
 zfcp_erp_port_forced_strategy_close(struct zfcp_erp_action *erp_action)
 {
 	int retval;
-	struct zfcp_adapter *adapter = erp_action->adapter;
-	struct zfcp_port *port = erp_action->port;
 
 	retval = zfcp_fsf_close_physical_port(erp_action);
 	if (retval == -ENOMEM) {
-		debug_text_event(adapter->erp_dbf, 5, "o_pfstc_nomem");
-		debug_event(adapter->erp_dbf, 5, &port->wwpn, sizeof (wwn_t));
 		retval = ZFCP_ERP_NOMEM;
 		goto out;
 	}
 	erp_action->step = ZFCP_ERP_STEP_PHYS_PORT_CLOSING;
 	if (retval != 0) {
-		debug_text_event(adapter->erp_dbf, 5, "o_pfstc_cpf");
-		debug_event(adapter->erp_dbf, 5, &port->wwpn, sizeof (wwn_t));
 		/* could not send 'open', fail */
 		retval = ZFCP_ERP_FAILED;
 		goto out;
 	}
-	debug_text_event(adapter->erp_dbf, 6, "o_pfstc_cpok");
-	debug_event(adapter->erp_dbf, 6, &port->wwpn, sizeof (wwn_t));
 	retval = ZFCP_ERP_CONTINUES;
  out:
 	return retval;
@@ -2609,10 +2497,6 @@ static int
 zfcp_erp_port_strategy_clearstati(struct zfcp_port *port)
 {
 	int retval = 0;
-	struct zfcp_adapter *adapter = port->adapter;
-
-	debug_text_event(adapter->erp_dbf, 5, "p_pstclst");
-	debug_event(adapter->erp_dbf, 5, &port->wwpn, sizeof (wwn_t));
 
 	atomic_clear_mask(ZFCP_STATUS_COMMON_OPENING |
 			  ZFCP_STATUS_COMMON_CLOSING |
@@ -2636,26 +2520,18 @@ static int
 zfcp_erp_port_strategy_close(struct zfcp_erp_action *erp_action)
 {
 	int retval;
-	struct zfcp_adapter *adapter = erp_action->adapter;
-	struct zfcp_port *port = erp_action->port;
 
 	retval = zfcp_fsf_close_port(erp_action);
 	if (retval == -ENOMEM) {
-		debug_text_event(adapter->erp_dbf, 5, "p_pstc_nomem");
-		debug_event(adapter->erp_dbf, 5, &port->wwpn, sizeof (wwn_t));
 		retval = ZFCP_ERP_NOMEM;
 		goto out;
 	}
 	erp_action->step = ZFCP_ERP_STEP_PORT_CLOSING;
 	if (retval != 0) {
-		debug_text_event(adapter->erp_dbf, 5, "p_pstc_cpf");
-		debug_event(adapter->erp_dbf, 5, &port->wwpn, sizeof (wwn_t));
 		/* could not send 'close', fail */
 		retval = ZFCP_ERP_FAILED;
 		goto out;
 	}
-	debug_text_event(adapter->erp_dbf, 6, "p_pstc_cpok");
-	debug_event(adapter->erp_dbf, 6, &port->wwpn, sizeof (wwn_t));
 	retval = ZFCP_ERP_CONTINUES;
  out:
 	return retval;
@@ -2673,26 +2549,18 @@ static int
 zfcp_erp_port_strategy_open_port(struct zfcp_erp_action *erp_action)
 {
 	int retval;
-	struct zfcp_adapter *adapter = erp_action->adapter;
-	struct zfcp_port *port = erp_action->port;
 
 	retval = zfcp_fsf_open_port(erp_action);
 	if (retval == -ENOMEM) {
-		debug_text_event(adapter->erp_dbf, 5, "p_psto_nomem");
-		debug_event(adapter->erp_dbf, 5, &port->wwpn, sizeof (wwn_t));
 		retval = ZFCP_ERP_NOMEM;
 		goto out;
 	}
 	erp_action->step = ZFCP_ERP_STEP_PORT_OPENING;
 	if (retval != 0) {
-		debug_text_event(adapter->erp_dbf, 5, "p_psto_opf");
-		debug_event(adapter->erp_dbf, 5, &port->wwpn, sizeof (wwn_t));
 		/* could not send 'open', fail */
 		retval = ZFCP_ERP_FAILED;
 		goto out;
 	}
-	debug_text_event(adapter->erp_dbf, 6, "p_psto_opok");
-	debug_event(adapter->erp_dbf, 6, &port->wwpn, sizeof (wwn_t));
 	retval = ZFCP_ERP_CONTINUES;
  out:
 	return retval;
@@ -2710,26 +2578,18 @@ static int
 zfcp_erp_port_strategy_open_common_lookup(struct zfcp_erp_action *erp_action)
 {
 	int retval;
-	struct zfcp_adapter *adapter = erp_action->adapter;
-	struct zfcp_port *port = erp_action->port;
 
 	retval = zfcp_ns_gid_pn_request(erp_action);
 	if (retval == -ENOMEM) {
-		debug_text_event(adapter->erp_dbf, 5, "p_pstn_nomem");
-		debug_event(adapter->erp_dbf, 5, &port->wwpn, sizeof (wwn_t));
 		retval = ZFCP_ERP_NOMEM;
 		goto out;
 	}
 	erp_action->step = ZFCP_ERP_STEP_NAMESERVER_LOOKUP;
 	if (retval != 0) {
-		debug_text_event(adapter->erp_dbf, 5, "p_pstn_ref");
-		debug_event(adapter->erp_dbf, 5, &port->wwpn, sizeof (wwn_t));
 		/* could not send nameserver request, fail */
 		retval = ZFCP_ERP_FAILED;
 		goto out;
 	}
-	debug_text_event(adapter->erp_dbf, 6, "p_pstn_reok");
-	debug_event(adapter->erp_dbf, 6, &port->wwpn, sizeof (wwn_t));
 	retval = ZFCP_ERP_CONTINUES;
  out:
 	return retval;
@@ -2750,7 +2610,6 @@ zfcp_erp_unit_strategy(struct zfcp_erp_action *erp_action)
 {
 	int retval = ZFCP_ERP_FAILED;
 	struct zfcp_unit *unit = erp_action->unit;
-	struct zfcp_adapter *adapter = erp_action->adapter;
 
 	switch (erp_action->step) {
 
@@ -2797,10 +2656,6 @@ zfcp_erp_unit_strategy(struct zfcp_erp_action *erp_action)
 		break;
 	}
 
-	debug_text_event(adapter->erp_dbf, 3, "u_ust/ret");
-	debug_event(adapter->erp_dbf, 3, &unit->fcp_lun, sizeof (fcp_lun_t));
-	debug_event(adapter->erp_dbf, 3, &erp_action->action, sizeof (int));
-	debug_event(adapter->erp_dbf, 3, &retval, sizeof (int));
 	return retval;
 }
 
@@ -2808,10 +2663,6 @@ static int
 zfcp_erp_unit_strategy_clearstati(struct zfcp_unit *unit)
 {
 	int retval = 0;
-	struct zfcp_adapter *adapter = unit->port->adapter;
-
-	debug_text_event(adapter->erp_dbf, 5, "u_ustclst");
-	debug_event(adapter->erp_dbf, 5, &unit->fcp_lun, sizeof (fcp_lun_t));
 
 	atomic_clear_mask(ZFCP_STATUS_COMMON_OPENING |
 			  ZFCP_STATUS_COMMON_CLOSING |
@@ -2835,28 +2686,18 @@ static int
 zfcp_erp_unit_strategy_close(struct zfcp_erp_action *erp_action)
 {
 	int retval;
-	struct zfcp_adapter *adapter = erp_action->adapter;
-	struct zfcp_unit *unit = erp_action->unit;
 
 	retval = zfcp_fsf_close_unit(erp_action);
 	if (retval == -ENOMEM) {
-		debug_text_event(adapter->erp_dbf, 5, "u_ustc_nomem");
-		debug_event(adapter->erp_dbf, 5, &unit->fcp_lun,
-			    sizeof (fcp_lun_t));
 		retval = ZFCP_ERP_NOMEM;
 		goto out;
 	}
 	erp_action->step = ZFCP_ERP_STEP_UNIT_CLOSING;
 	if (retval != 0) {
-		debug_text_event(adapter->erp_dbf, 5, "u_ustc_cuf");
-		debug_event(adapter->erp_dbf, 5, &unit->fcp_lun,
-			    sizeof (fcp_lun_t));
 		/* could not send 'close', fail */
 		retval = ZFCP_ERP_FAILED;
 		goto out;
 	}
-	debug_text_event(adapter->erp_dbf, 6, "u_ustc_cuok");
-	debug_event(adapter->erp_dbf, 6, &unit->fcp_lun, sizeof (fcp_lun_t));
 	retval = ZFCP_ERP_CONTINUES;
 
  out:
@@ -2875,28 +2716,18 @@ static int
 zfcp_erp_unit_strategy_open(struct zfcp_erp_action *erp_action)
 {
 	int retval;
-	struct zfcp_adapter *adapter = erp_action->adapter;
-	struct zfcp_unit *unit = erp_action->unit;
 
 	retval = zfcp_fsf_open_unit(erp_action);
 	if (retval == -ENOMEM) {
-		debug_text_event(adapter->erp_dbf, 5, "u_usto_nomem");
-		debug_event(adapter->erp_dbf, 5, &unit->fcp_lun,
-			    sizeof (fcp_lun_t));
 		retval = ZFCP_ERP_NOMEM;
 		goto out;
 	}
 	erp_action->step = ZFCP_ERP_STEP_UNIT_OPENING;
 	if (retval != 0) {
-		debug_text_event(adapter->erp_dbf, 5, "u_usto_ouf");
-		debug_event(adapter->erp_dbf, 5, &unit->fcp_lun,
-			    sizeof (fcp_lun_t));
 		/* could not send 'open', fail */
 		retval = ZFCP_ERP_FAILED;
 		goto out;
 	}
-	debug_text_event(adapter->erp_dbf, 6, "u_usto_ouok");
-	debug_event(adapter->erp_dbf, 6, &unit->fcp_lun, sizeof (fcp_lun_t));
 	retval = ZFCP_ERP_CONTINUES;
  out:
 	return retval;
@@ -2918,14 +2749,12 @@ void zfcp_erp_start_timer(struct zfcp_fsf_req *fsf_req)
  *
  * returns:
  */
-static int
-zfcp_erp_action_enqueue(int action,
-			struct zfcp_adapter *adapter,
-			struct zfcp_port *port, struct zfcp_unit *unit)
+static int zfcp_erp_action_enqueue(int want, struct zfcp_adapter *adapter,
+				   struct zfcp_port *port,
+				   struct zfcp_unit *unit, u8 id, void *ref)
 {
-	int retval = 1;
+	int retval = 1, need = want;
 	struct zfcp_erp_action *erp_action = NULL;
-	int stronger_action = 0;
 	u32 status = 0;
 
 	/*
@@ -2944,17 +2773,11 @@ zfcp_erp_action_enqueue(int action,
 			      &adapter->status))
 		return -EIO;
 
-	debug_event(adapter->erp_dbf, 4, &action, sizeof (int));
 	/* check whether we really need this */
-	switch (action) {
+	switch (want) {
 	case ZFCP_ERP_ACTION_REOPEN_UNIT:
 		if (atomic_test_mask
 		    (ZFCP_STATUS_COMMON_ERP_INUSE, &unit->status)) {
-			debug_text_event(adapter->erp_dbf, 4, "u_actenq_drp");
-			debug_event(adapter->erp_dbf, 4, &port->wwpn,
-				    sizeof (wwn_t));
-			debug_event(adapter->erp_dbf, 4, &unit->fcp_lun,
-				    sizeof (fcp_lun_t));
 			goto out;
 		}
 		if (!atomic_test_mask
@@ -2964,18 +2787,13 @@ zfcp_erp_action_enqueue(int action,
 			goto out;
 		}
 		if (!atomic_test_mask
-		    (ZFCP_STATUS_COMMON_UNBLOCKED, &port->status)) {
-			stronger_action = ZFCP_ERP_ACTION_REOPEN_PORT;
-			unit = NULL;
-		}
+		    (ZFCP_STATUS_COMMON_UNBLOCKED, &port->status))
+			need = ZFCP_ERP_ACTION_REOPEN_PORT;
 		/* fall through !!! */
 
 	case ZFCP_ERP_ACTION_REOPEN_PORT:
 		if (atomic_test_mask
 		    (ZFCP_STATUS_COMMON_ERP_INUSE, &port->status)) {
-			debug_text_event(adapter->erp_dbf, 4, "p_actenq_drp");
-			debug_event(adapter->erp_dbf, 4, &port->wwpn,
-				    sizeof (wwn_t));
 			goto out;
 		}
 		/* fall through !!! */
@@ -2987,15 +2805,9 @@ zfcp_erp_action_enqueue(int action,
 			    ZFCP_ERP_ACTION_REOPEN_PORT_FORCED) {
 				ZFCP_LOG_INFO("dropped erp action %i (port "
 					      "0x%016Lx, action in use: %i)\n",
-					      action, port->wwpn,
+					      want, port->wwpn,
 					      port->erp_action.action);
-				debug_text_event(adapter->erp_dbf, 4,
-						 "pf_actenq_drp");
-			} else
-				debug_text_event(adapter->erp_dbf, 4,
-						 "pf_actenq_drpcp");
-			debug_event(adapter->erp_dbf, 4, &port->wwpn,
-				    sizeof (wwn_t));
+			}
 			goto out;
 		}
 		if (!atomic_test_mask
@@ -3005,46 +2817,36 @@ zfcp_erp_action_enqueue(int action,
 			goto out;
 		}
 		if (!atomic_test_mask
-		    (ZFCP_STATUS_COMMON_UNBLOCKED, &adapter->status)) {
-			stronger_action = ZFCP_ERP_ACTION_REOPEN_ADAPTER;
-			port = NULL;
-		}
+		    (ZFCP_STATUS_COMMON_UNBLOCKED, &adapter->status))
+			need = ZFCP_ERP_ACTION_REOPEN_ADAPTER;
 		/* fall through !!! */
 
 	case ZFCP_ERP_ACTION_REOPEN_ADAPTER:
 		if (atomic_test_mask
 		    (ZFCP_STATUS_COMMON_ERP_INUSE, &adapter->status)) {
-			debug_text_event(adapter->erp_dbf, 4, "a_actenq_drp");
 			goto out;
 		}
 		break;
 
 	default:
-		debug_text_exception(adapter->erp_dbf, 1, "a_actenq_bug");
-		debug_event(adapter->erp_dbf, 1, &action, sizeof (int));
 		ZFCP_LOG_NORMAL("bug: unknown erp action requested "
 				"on adapter %s (action=%d)\n",
-				zfcp_get_busid_by_adapter(adapter), action);
+				zfcp_get_busid_by_adapter(adapter), want);
 		goto out;
 	}
 
 	/* check whether we need something stronger first */
-	if (stronger_action) {
-		debug_text_event(adapter->erp_dbf, 4, "a_actenq_str");
-		debug_event(adapter->erp_dbf, 4, &stronger_action,
-			    sizeof (int));
+	if (need) {
 		ZFCP_LOG_DEBUG("stronger erp action %d needed before "
 			       "erp action %d on adapter %s\n",
-			       stronger_action, action,
-			       zfcp_get_busid_by_adapter(adapter));
-		action = stronger_action;
+			       need, want, zfcp_get_busid_by_adapter(adapter));
 	}
 
 	/* mark adapter to have some error recovery pending */
 	atomic_set_mask(ZFCP_STATUS_ADAPTER_ERP_PENDING, &adapter->status);
 
 	/* setup error recovery action */
-	switch (action) {
+	switch (need) {
 
 	case ZFCP_ERP_ACTION_REOPEN_UNIT:
 		zfcp_unit_get(unit);
@@ -3077,13 +2879,11 @@ zfcp_erp_action_enqueue(int action,
 		break;
 	}
 
-	debug_text_event(adapter->erp_dbf, 4, "a_actenq");
-
 	memset(erp_action, 0, sizeof (struct zfcp_erp_action));
 	erp_action->adapter = adapter;
 	erp_action->port = port;
 	erp_action->unit = unit;
-	erp_action->action = action;
+	erp_action->action = need;
 	erp_action->status = status;
 
 	++adapter->erp_total_count;
@@ -3091,8 +2891,11 @@ zfcp_erp_action_enqueue(int action,
 	/* finally put it into 'ready' queue and kick erp thread */
 	list_add_tail(&erp_action->list, &adapter->erp_ready_head);
 	up(&adapter->erp_ready_sem);
+	zfcp_rec_dbf_event_thread(1, adapter, 0);
 	retval = 0;
  out:
+	zfcp_rec_dbf_event_trigger(id, ref, want, need, erp_action,
+				   adapter, port, unit);
 	return retval;
 }
 
@@ -3108,9 +2911,9 @@ zfcp_erp_action_dequeue(struct zfcp_erp_action *erp_action)
 		erp_action->status &= ~ZFCP_STATUS_ERP_LOWMEM;
 	}
 
-	debug_text_event(adapter->erp_dbf, 4, "a_actdeq");
-	debug_event(adapter->erp_dbf, 4, &erp_action->action, sizeof (int));
 	list_del(&erp_action->list);
+	zfcp_rec_dbf_event_action(144, erp_action);
+
 	switch (erp_action->action) {
 	case ZFCP_ERP_ACTION_REOPEN_UNIT:
 		atomic_clear_mask(ZFCP_STATUS_COMMON_ERP_INUSE,
@@ -3215,7 +3018,6 @@ static void zfcp_erp_action_dismiss_adapter(struct zfcp_adapter *adapter)
 {
 	struct zfcp_port *port;
 
-	debug_text_event(adapter->erp_dbf, 5, "a_actab");
 	if (atomic_test_mask(ZFCP_STATUS_COMMON_ERP_INUSE, &adapter->status))
 		zfcp_erp_action_dismiss(&adapter->erp_action);
 	else
@@ -3226,10 +3028,7 @@ static void zfcp_erp_action_dismiss_adapter(struct zfcp_adapter *adapter)
 static void zfcp_erp_action_dismiss_port(struct zfcp_port *port)
 {
 	struct zfcp_unit *unit;
-	struct zfcp_adapter *adapter = port->adapter;
 
-	debug_text_event(adapter->erp_dbf, 5, "p_actab");
-	debug_event(adapter->erp_dbf, 5, &port->wwpn, sizeof (wwn_t));
 	if (atomic_test_mask(ZFCP_STATUS_COMMON_ERP_INUSE, &port->status))
 		zfcp_erp_action_dismiss(&port->erp_action);
 	else
@@ -3239,92 +3038,60 @@ static void zfcp_erp_action_dismiss_port(struct zfcp_port *port)
 
 static void zfcp_erp_action_dismiss_unit(struct zfcp_unit *unit)
 {
-	struct zfcp_adapter *adapter = unit->port->adapter;
-
-	debug_text_event(adapter->erp_dbf, 5, "u_actab");
-	debug_event(adapter->erp_dbf, 5, &unit->fcp_lun, sizeof (fcp_lun_t));
 	if (atomic_test_mask(ZFCP_STATUS_COMMON_ERP_INUSE, &unit->status))
 		zfcp_erp_action_dismiss(&unit->erp_action);
 }
 
 static void zfcp_erp_action_to_running(struct zfcp_erp_action *erp_action)
 {
-	struct zfcp_adapter *adapter = erp_action->adapter;
-
-	debug_text_event(adapter->erp_dbf, 6, "a_toru");
-	debug_event(adapter->erp_dbf, 6, &erp_action->action, sizeof (int));
 	list_move(&erp_action->list, &erp_action->adapter->erp_running_head);
+	zfcp_rec_dbf_event_action(145, erp_action);
 }
 
 static void zfcp_erp_action_to_ready(struct zfcp_erp_action *erp_action)
 {
-	struct zfcp_adapter *adapter = erp_action->adapter;
-
-	debug_text_event(adapter->erp_dbf, 6, "a_tore");
-	debug_event(adapter->erp_dbf, 6, &erp_action->action, sizeof (int));
 	list_move(&erp_action->list, &erp_action->adapter->erp_ready_head);
+	zfcp_rec_dbf_event_action(146, erp_action);
 }
 
-void
-zfcp_erp_port_boxed(struct zfcp_port *port)
+void zfcp_erp_port_boxed(struct zfcp_port *port, u8 id, void *ref)
 {
-	struct zfcp_adapter *adapter = port->adapter;
 	unsigned long flags;
 
-	debug_text_event(adapter->erp_dbf, 3, "p_access_boxed");
-	debug_event(adapter->erp_dbf, 3, &port->wwpn, sizeof(wwn_t));
 	read_lock_irqsave(&zfcp_data.config_lock, flags);
-	zfcp_erp_modify_port_status(port,
-			ZFCP_STATUS_COMMON_ACCESS_BOXED,
-			ZFCP_SET);
+	zfcp_erp_modify_port_status(port, id, ref,
+				    ZFCP_STATUS_COMMON_ACCESS_BOXED, ZFCP_SET);
 	read_unlock_irqrestore(&zfcp_data.config_lock, flags);
-	zfcp_erp_port_reopen(port, ZFCP_STATUS_COMMON_ERP_FAILED);
+	zfcp_erp_port_reopen(port, ZFCP_STATUS_COMMON_ERP_FAILED, id, ref);
 }
 
-void
-zfcp_erp_unit_boxed(struct zfcp_unit *unit)
+void zfcp_erp_unit_boxed(struct zfcp_unit *unit, u8 id, void *ref)
 {
-	struct zfcp_adapter *adapter = unit->port->adapter;
-
-	debug_text_event(adapter->erp_dbf, 3, "u_access_boxed");
-	debug_event(adapter->erp_dbf, 3, &unit->fcp_lun, sizeof(fcp_lun_t));
-	zfcp_erp_modify_unit_status(unit,
-			ZFCP_STATUS_COMMON_ACCESS_BOXED,
-			ZFCP_SET);
-	zfcp_erp_unit_reopen(unit, ZFCP_STATUS_COMMON_ERP_FAILED);
+	zfcp_erp_modify_unit_status(unit, id, ref,
+				    ZFCP_STATUS_COMMON_ACCESS_BOXED, ZFCP_SET);
+	zfcp_erp_unit_reopen(unit, ZFCP_STATUS_COMMON_ERP_FAILED, id, ref);
 }
 
-void
-zfcp_erp_port_access_denied(struct zfcp_port *port)
+void zfcp_erp_port_access_denied(struct zfcp_port *port, u8 id, void *ref)
 {
-	struct zfcp_adapter *adapter = port->adapter;
 	unsigned long flags;
 
-	debug_text_event(adapter->erp_dbf, 3, "p_access_denied");
-	debug_event(adapter->erp_dbf, 3, &port->wwpn, sizeof(wwn_t));
 	read_lock_irqsave(&zfcp_data.config_lock, flags);
-	zfcp_erp_modify_port_status(port,
-			ZFCP_STATUS_COMMON_ERP_FAILED |
-			ZFCP_STATUS_COMMON_ACCESS_DENIED,
-			ZFCP_SET);
+	zfcp_erp_modify_port_status(port, id, ref,
+				    ZFCP_STATUS_COMMON_ERP_FAILED |
+				    ZFCP_STATUS_COMMON_ACCESS_DENIED, ZFCP_SET);
 	read_unlock_irqrestore(&zfcp_data.config_lock, flags);
 }
 
-void
-zfcp_erp_unit_access_denied(struct zfcp_unit *unit)
+void zfcp_erp_unit_access_denied(struct zfcp_unit *unit, u8 id, void *ref)
 {
-	struct zfcp_adapter *adapter = unit->port->adapter;
-
-	debug_text_event(adapter->erp_dbf, 3, "u_access_denied");
-	debug_event(adapter->erp_dbf, 3, &unit->fcp_lun, sizeof(fcp_lun_t));
-	zfcp_erp_modify_unit_status(unit,
-			ZFCP_STATUS_COMMON_ERP_FAILED |
-			ZFCP_STATUS_COMMON_ACCESS_DENIED,
-			ZFCP_SET);
+	zfcp_erp_modify_unit_status(unit, id, ref,
+				    ZFCP_STATUS_COMMON_ERP_FAILED |
+				    ZFCP_STATUS_COMMON_ACCESS_DENIED, ZFCP_SET);
 }
 
-void
-zfcp_erp_adapter_access_changed(struct zfcp_adapter *adapter)
+void zfcp_erp_adapter_access_changed(struct zfcp_adapter *adapter, u8 id,
+				     void *ref)
 {
 	struct zfcp_port *port;
 	unsigned long flags;
@@ -3332,54 +3099,43 @@ zfcp_erp_adapter_access_changed(struct zfcp_adapter *adapter)
 	if (adapter->connection_features & FSF_FEATURE_NPIV_MODE)
 		return;
 
-	debug_text_event(adapter->erp_dbf, 3, "a_access_recover");
-	debug_event(adapter->erp_dbf, 3, zfcp_get_busid_by_adapter(adapter), 8);
-
 	read_lock_irqsave(&zfcp_data.config_lock, flags);
 	if (adapter->nameserver_port)
-		zfcp_erp_port_access_changed(adapter->nameserver_port);
+		zfcp_erp_port_access_changed(adapter->nameserver_port, id, ref);
 	list_for_each_entry(port, &adapter->port_list_head, list)
 		if (port != adapter->nameserver_port)
-			zfcp_erp_port_access_changed(port);
+			zfcp_erp_port_access_changed(port, id, ref);
 	read_unlock_irqrestore(&zfcp_data.config_lock, flags);
 }
 
-void
-zfcp_erp_port_access_changed(struct zfcp_port *port)
+void zfcp_erp_port_access_changed(struct zfcp_port *port, u8 id, void *ref)
 {
 	struct zfcp_adapter *adapter = port->adapter;
 	struct zfcp_unit *unit;
 
-	debug_text_event(adapter->erp_dbf, 3, "p_access_recover");
-	debug_event(adapter->erp_dbf, 3, &port->wwpn, sizeof(wwn_t));
-
 	if (!atomic_test_mask(ZFCP_STATUS_COMMON_ACCESS_DENIED,
 			      &port->status) &&
 	    !atomic_test_mask(ZFCP_STATUS_COMMON_ACCESS_BOXED,
 			      &port->status)) {
 		if (!atomic_test_mask(ZFCP_STATUS_PORT_WKA, &port->status))
 			list_for_each_entry(unit, &port->unit_list_head, list)
-				zfcp_erp_unit_access_changed(unit);
+				zfcp_erp_unit_access_changed(unit, id, ref);
 		return;
 	}
 
 	ZFCP_LOG_NORMAL("reopen of port 0x%016Lx on adapter %s "
 			"(due to ACT update)\n",
 			port->wwpn, zfcp_get_busid_by_adapter(adapter));
-	if (zfcp_erp_port_reopen(port, ZFCP_STATUS_COMMON_ERP_FAILED) != 0)
+	if (zfcp_erp_port_reopen(port, ZFCP_STATUS_COMMON_ERP_FAILED, id, ref))
 		ZFCP_LOG_NORMAL("failed reopen of port"
 				"(adapter %s, wwpn=0x%016Lx)\n",
 				zfcp_get_busid_by_adapter(adapter), port->wwpn);
 }
 
-void
-zfcp_erp_unit_access_changed(struct zfcp_unit *unit)
+void zfcp_erp_unit_access_changed(struct zfcp_unit *unit, u8 id, void *ref)
 {
 	struct zfcp_adapter *adapter = unit->port->adapter;
 
-	debug_text_event(adapter->erp_dbf, 3, "u_access_recover");
-	debug_event(adapter->erp_dbf, 3, &unit->fcp_lun, sizeof(fcp_lun_t));
-
 	if (!atomic_test_mask(ZFCP_STATUS_COMMON_ACCESS_DENIED,
 			      &unit->status) &&
 	    !atomic_test_mask(ZFCP_STATUS_COMMON_ACCESS_BOXED,
@@ -3390,7 +3146,7 @@ zfcp_erp_unit_access_changed(struct zfcp_unit *unit)
 			" on adapter %s (due to ACT update)\n",
 			unit->fcp_lun, unit->port->wwpn,
 			zfcp_get_busid_by_adapter(adapter));
-	if (zfcp_erp_unit_reopen(unit, ZFCP_STATUS_COMMON_ERP_FAILED) != 0)
+	if (zfcp_erp_unit_reopen(unit, ZFCP_STATUS_COMMON_ERP_FAILED, id, ref))
 		ZFCP_LOG_NORMAL("failed reopen of unit (adapter %s, "
 				"wwpn=0x%016Lx, fcp_lun=0x%016Lx)\n",
 				zfcp_get_busid_by_adapter(adapter),
diff --git a/drivers/s390/scsi/zfcp_ext.h b/drivers/s390/scsi/zfcp_ext.h
index 06b1079b7f3d..6abf178fda5d 100644
--- a/drivers/s390/scsi/zfcp_ext.h
+++ b/drivers/s390/scsi/zfcp_ext.h
@@ -131,22 +131,25 @@ extern int zfcp_scsi_command_sync(struct zfcp_unit *, struct scsi_cmnd *, int);
 extern struct fc_function_template zfcp_transport_functions;
 
 /******************************** ERP ****************************************/
-extern void zfcp_erp_modify_adapter_status(struct zfcp_adapter *, u32, int);
-extern int  zfcp_erp_adapter_reopen(struct zfcp_adapter *, int);
-extern int  zfcp_erp_adapter_shutdown(struct zfcp_adapter *, int);
-extern void zfcp_erp_adapter_failed(struct zfcp_adapter *);
-
-extern void zfcp_erp_modify_port_status(struct zfcp_port *, u32, int);
-extern int  zfcp_erp_port_reopen(struct zfcp_port *, int);
-extern int  zfcp_erp_port_shutdown(struct zfcp_port *, int);
-extern int  zfcp_erp_port_forced_reopen(struct zfcp_port *, int);
-extern void zfcp_erp_port_failed(struct zfcp_port *);
-extern int  zfcp_erp_port_reopen_all(struct zfcp_adapter *, int);
-
-extern void zfcp_erp_modify_unit_status(struct zfcp_unit *, u32, int);
-extern int  zfcp_erp_unit_reopen(struct zfcp_unit *, int);
-extern int  zfcp_erp_unit_shutdown(struct zfcp_unit *, int);
-extern void zfcp_erp_unit_failed(struct zfcp_unit *);
+extern void zfcp_erp_modify_adapter_status(struct zfcp_adapter *, u8, void *,
+					   u32, int);
+extern int  zfcp_erp_adapter_reopen(struct zfcp_adapter *, int, u8, void *);
+extern int  zfcp_erp_adapter_shutdown(struct zfcp_adapter *, int, u8, void *);
+extern void zfcp_erp_adapter_failed(struct zfcp_adapter *, u8, void *);
+
+extern void zfcp_erp_modify_port_status(struct zfcp_port *, u8, void *, u32,
+					int);
+extern int  zfcp_erp_port_reopen(struct zfcp_port *, int, u8, void *);
+extern int  zfcp_erp_port_shutdown(struct zfcp_port *, int, u8, void *);
+extern int  zfcp_erp_port_forced_reopen(struct zfcp_port *, int, u8, void *);
+extern void zfcp_erp_port_failed(struct zfcp_port *, u8, void *);
+extern int  zfcp_erp_port_reopen_all(struct zfcp_adapter *, int, u8, void *);
+
+extern void zfcp_erp_modify_unit_status(struct zfcp_unit *, u8, void *, u32,
+					int);
+extern int  zfcp_erp_unit_reopen(struct zfcp_unit *, int, u8, void *);
+extern int  zfcp_erp_unit_shutdown(struct zfcp_unit *, int, u8, void *);
+extern void zfcp_erp_unit_failed(struct zfcp_unit *, u8, void *);
 
 extern int  zfcp_erp_thread_setup(struct zfcp_adapter *);
 extern int  zfcp_erp_thread_kill(struct zfcp_adapter *);
@@ -155,15 +158,25 @@ extern void zfcp_erp_async_handler(struct zfcp_erp_action *, unsigned long);
 
 extern int  zfcp_test_link(struct zfcp_port *);
 
-extern void zfcp_erp_port_boxed(struct zfcp_port *);
-extern void zfcp_erp_unit_boxed(struct zfcp_unit *);
-extern void zfcp_erp_port_access_denied(struct zfcp_port *);
-extern void zfcp_erp_unit_access_denied(struct zfcp_unit *);
-extern void zfcp_erp_adapter_access_changed(struct zfcp_adapter *);
-extern void zfcp_erp_port_access_changed(struct zfcp_port *);
-extern void zfcp_erp_unit_access_changed(struct zfcp_unit *);
+extern void zfcp_erp_port_boxed(struct zfcp_port *, u8 id, void *ref);
+extern void zfcp_erp_unit_boxed(struct zfcp_unit *, u8 id, void *ref);
+extern void zfcp_erp_port_access_denied(struct zfcp_port *, u8 id, void *ref);
+extern void zfcp_erp_unit_access_denied(struct zfcp_unit *, u8 id, void *ref);
+extern void zfcp_erp_adapter_access_changed(struct zfcp_adapter *, u8, void *);
+extern void zfcp_erp_port_access_changed(struct zfcp_port *, u8, void *);
+extern void zfcp_erp_unit_access_changed(struct zfcp_unit *, u8, void *);
 
 /******************************** AUX ****************************************/
+extern void zfcp_rec_dbf_event_thread(u8 id, struct zfcp_adapter *adapter,
+				      int lock);
+extern void zfcp_rec_dbf_event_adapter(u8 id, void *ref, struct zfcp_adapter *);
+extern void zfcp_rec_dbf_event_port(u8 id, void *ref, struct zfcp_port *port);
+extern void zfcp_rec_dbf_event_unit(u8 id, void *ref, struct zfcp_unit *unit);
+extern void zfcp_rec_dbf_event_trigger(u8 id, void *ref, u8 want, u8 need,
+				       void *action, struct zfcp_adapter *,
+				       struct zfcp_port *, struct zfcp_unit *);
+extern void zfcp_rec_dbf_event_action(u8 id, struct zfcp_erp_action *);
+
 extern void zfcp_hba_dbf_event_fsf_response(struct zfcp_fsf_req *);
 extern void zfcp_hba_dbf_event_fsf_unsol(const char *, struct zfcp_adapter *,
 					 struct fsf_status_read_buffer *);
diff --git a/drivers/s390/scsi/zfcp_fsf.c b/drivers/s390/scsi/zfcp_fsf.c
index 0dff05840ee2..7c3f02816e95 100644
--- a/drivers/s390/scsi/zfcp_fsf.c
+++ b/drivers/s390/scsi/zfcp_fsf.c
@@ -46,7 +46,7 @@ static int zfcp_fsf_req_send(struct zfcp_fsf_req *);
 static int zfcp_fsf_protstatus_eval(struct zfcp_fsf_req *);
 static int zfcp_fsf_fsfstatus_eval(struct zfcp_fsf_req *);
 static int zfcp_fsf_fsfstatus_qual_eval(struct zfcp_fsf_req *);
-static void zfcp_fsf_link_down_info_eval(struct zfcp_adapter *,
+static void zfcp_fsf_link_down_info_eval(struct zfcp_fsf_req *, u8,
 	struct fsf_link_down_info *);
 static int zfcp_fsf_req_dispatch(struct zfcp_fsf_req *);
 
@@ -284,37 +284,6 @@ zfcp_fsf_protstatus_eval(struct zfcp_fsf_req *fsf_req)
 		goto skip_protstatus;
 	}
 
-	/* log additional information provided by FSF (if any) */
-	if (likely(qtcb->header.log_length)) {
-		/* do not trust them ;-) */
-		if (unlikely(qtcb->header.log_start >
-			     sizeof(struct fsf_qtcb))) {
-			ZFCP_LOG_NORMAL
-			    ("bug: ULP (FSF logging) log data starts "
-			     "beyond end of packet header. Ignored. "
-			     "(start=%i, size=%li)\n",
-			     qtcb->header.log_start,
-			     sizeof(struct fsf_qtcb));
-			goto forget_log;
-		}
-		if (unlikely((size_t) (qtcb->header.log_start +
-				       qtcb->header.log_length) >
-			     sizeof(struct fsf_qtcb))) {
-			ZFCP_LOG_NORMAL("bug: ULP (FSF logging) log data ends "
-					"beyond end of packet header. Ignored. "
-					"(start=%i, length=%i, size=%li)\n",
-					qtcb->header.log_start,
-					qtcb->header.log_length,
-					sizeof(struct fsf_qtcb));
-			goto forget_log;
-		}
-		ZFCP_LOG_TRACE("ULP log data: \n");
-		ZFCP_HEX_DUMP(ZFCP_LOG_LEVEL_TRACE,
-			      (char *) qtcb + qtcb->header.log_start,
-			      qtcb->header.log_length);
-	}
- forget_log:
-
 	/* evaluate FSF Protocol Status */
 	switch (qtcb->prefix.prot_status) {
 
@@ -329,7 +298,7 @@ zfcp_fsf_protstatus_eval(struct zfcp_fsf_req *fsf_req)
 				zfcp_get_busid_by_adapter(adapter),
 				prot_status_qual->version_error.fsf_version,
 				ZFCP_QTCB_VERSION);
-		zfcp_erp_adapter_shutdown(adapter, 0);
+		zfcp_erp_adapter_shutdown(adapter, 0, 117, fsf_req);
 		fsf_req->status |= ZFCP_STATUS_FSFREQ_ERROR;
 		break;
 
@@ -340,7 +309,7 @@ zfcp_fsf_protstatus_eval(struct zfcp_fsf_req *fsf_req)
 				qtcb->prefix.req_seq_no,
 				zfcp_get_busid_by_adapter(adapter),
 				prot_status_qual->sequence_error.exp_req_seq_no);
-		zfcp_erp_adapter_reopen(adapter, 0);
+		zfcp_erp_adapter_reopen(adapter, 0, 98, fsf_req);
 		fsf_req->status |= ZFCP_STATUS_FSFREQ_RETRY;
 		fsf_req->status |= ZFCP_STATUS_FSFREQ_ERROR;
 		break;
@@ -351,7 +320,7 @@ zfcp_fsf_protstatus_eval(struct zfcp_fsf_req *fsf_req)
 				"that used on adapter %s. "
 				"Stopping all operations on this adapter.\n",
 				zfcp_get_busid_by_adapter(adapter));
-		zfcp_erp_adapter_shutdown(adapter, 0);
+		zfcp_erp_adapter_shutdown(adapter, 0, 118, fsf_req);
 		fsf_req->status |= ZFCP_STATUS_FSFREQ_ERROR;
 		break;
 
@@ -368,14 +337,15 @@ zfcp_fsf_protstatus_eval(struct zfcp_fsf_req *fsf_req)
 				*(unsigned long long*)
 				(&qtcb->bottom.support.req_handle),
 					zfcp_get_busid_by_adapter(adapter));
-		zfcp_erp_adapter_shutdown(adapter, 0);
+		zfcp_erp_adapter_shutdown(adapter, 0, 78, fsf_req);
 		fsf_req->status |= ZFCP_STATUS_FSFREQ_ERROR;
 		break;
 
 	case FSF_PROT_LINK_DOWN:
-		zfcp_fsf_link_down_info_eval(adapter,
+		zfcp_fsf_link_down_info_eval(fsf_req, 37,
 					     &prot_status_qual->link_down_info);
-		zfcp_erp_adapter_reopen(adapter, 0);
+		/* FIXME: reopening adapter now? better wait for link up */
+		zfcp_erp_adapter_reopen(adapter, 0, 79, fsf_req);
 		fsf_req->status |= ZFCP_STATUS_FSFREQ_ERROR;
 		break;
 
@@ -385,12 +355,13 @@ zfcp_fsf_protstatus_eval(struct zfcp_fsf_req *fsf_req)
 			      "Re-starting operations on this adapter.\n",
 			      zfcp_get_busid_by_adapter(adapter));
 		/* All ports should be marked as ready to run again */
-		zfcp_erp_modify_adapter_status(adapter,
+		zfcp_erp_modify_adapter_status(adapter, 28, NULL,
 					       ZFCP_STATUS_COMMON_RUNNING,
 					       ZFCP_SET);
 		zfcp_erp_adapter_reopen(adapter,
 					ZFCP_STATUS_ADAPTER_LINK_UNPLUGGED
-					| ZFCP_STATUS_COMMON_ERP_FAILED);
+					| ZFCP_STATUS_COMMON_ERP_FAILED,
+					99, fsf_req);
 		fsf_req->status |= ZFCP_STATUS_FSFREQ_ERROR;
 		break;
 
@@ -400,7 +371,7 @@ zfcp_fsf_protstatus_eval(struct zfcp_fsf_req *fsf_req)
 				"Restarting all operations on this "
 				"adapter.\n",
 				zfcp_get_busid_by_adapter(adapter));
-		zfcp_erp_adapter_reopen(adapter, 0);
+		zfcp_erp_adapter_reopen(adapter, 0, 100, fsf_req);
 		fsf_req->status |= ZFCP_STATUS_FSFREQ_RETRY;
 		fsf_req->status |= ZFCP_STATUS_FSFREQ_ERROR;
 		break;
@@ -413,7 +384,7 @@ zfcp_fsf_protstatus_eval(struct zfcp_fsf_req *fsf_req)
 				"(debug info 0x%x).\n",
 				zfcp_get_busid_by_adapter(adapter),
 				qtcb->prefix.prot_status);
-		zfcp_erp_adapter_shutdown(adapter, 0);
+		zfcp_erp_adapter_shutdown(adapter, 0, 119, fsf_req);
 		fsf_req->status |= ZFCP_STATUS_FSFREQ_ERROR;
 	}
 
@@ -452,7 +423,7 @@ zfcp_fsf_fsfstatus_eval(struct zfcp_fsf_req *fsf_req)
 				"(debug info 0x%x).\n",
 				zfcp_get_busid_by_adapter(fsf_req->adapter),
 				fsf_req->qtcb->header.fsf_command);
-		zfcp_erp_adapter_shutdown(fsf_req->adapter, 0);
+		zfcp_erp_adapter_shutdown(fsf_req->adapter, 0, 120, fsf_req);
 		fsf_req->status |= ZFCP_STATUS_FSFREQ_ERROR;
 		break;
 
@@ -506,7 +477,7 @@ zfcp_fsf_fsfstatus_qual_eval(struct zfcp_fsf_req *fsf_req)
 				"problem on the adapter %s "
 				"Stopping all operations on this adapter. ",
 				zfcp_get_busid_by_adapter(fsf_req->adapter));
-		zfcp_erp_adapter_shutdown(fsf_req->adapter, 0);
+		zfcp_erp_adapter_shutdown(fsf_req->adapter, 0, 121, fsf_req);
 		fsf_req->status |= ZFCP_STATUS_FSFREQ_ERROR;
 		break;
 	case FSF_SQ_ULP_PROGRAMMING_ERROR:
@@ -537,9 +508,11 @@ zfcp_fsf_fsfstatus_qual_eval(struct zfcp_fsf_req *fsf_req)
  * zfcp_fsf_link_down_info_eval - evaluate link down information block
  */
 static void
-zfcp_fsf_link_down_info_eval(struct zfcp_adapter *adapter,
+zfcp_fsf_link_down_info_eval(struct zfcp_fsf_req *fsf_req, u8 id,
 			     struct fsf_link_down_info *link_down)
 {
+	struct zfcp_adapter *adapter = fsf_req->adapter;
+
 	if (atomic_test_mask(ZFCP_STATUS_ADAPTER_LINK_UNPLUGGED,
 	                     &adapter->status))
 		return;
@@ -630,7 +603,7 @@ zfcp_fsf_link_down_info_eval(struct zfcp_adapter *adapter,
 				link_down->vendor_specific_code);
 
  out:
-	zfcp_erp_adapter_failed(adapter);
+	zfcp_erp_adapter_failed(adapter, id, fsf_req);
 }
 
 /*
@@ -824,19 +797,14 @@ zfcp_fsf_status_read_port_closed(struct zfcp_fsf_req *fsf_req)
 	switch (status_buffer->status_subtype) {
 
 	case FSF_STATUS_READ_SUB_CLOSE_PHYS_PORT:
-		debug_text_event(adapter->erp_dbf, 3, "unsol_pc_phys:");
-		zfcp_erp_port_reopen(port, 0);
+		zfcp_erp_port_reopen(port, 0, 101, fsf_req);
 		break;
 
 	case FSF_STATUS_READ_SUB_ERROR_PORT:
-		debug_text_event(adapter->erp_dbf, 1, "unsol_pc_err:");
-		zfcp_erp_port_shutdown(port, 0);
+		zfcp_erp_port_shutdown(port, 0, 122, fsf_req);
 		break;
 
 	default:
-		debug_text_event(adapter->erp_dbf, 0, "unsol_unk_sub:");
-		debug_exception(adapter->erp_dbf, 0,
-				&status_buffer->status_subtype, sizeof (u32));
 		ZFCP_LOG_NORMAL("bug: Undefined status subtype received "
 				"for a reopen indication on port with "
 				"d_id 0x%06x on the adapter %s. "
@@ -928,7 +896,7 @@ zfcp_fsf_status_read_handler(struct zfcp_fsf_req *fsf_req)
 		case FSF_STATUS_READ_SUB_NO_PHYSICAL_LINK:
 			ZFCP_LOG_INFO("Physical link to adapter %s is down\n",
 				      zfcp_get_busid_by_adapter(adapter));
-			zfcp_fsf_link_down_info_eval(adapter,
+			zfcp_fsf_link_down_info_eval(fsf_req, 38,
 				(struct fsf_link_down_info *)
 				&status_buffer->payload);
 			break;
@@ -936,7 +904,7 @@ zfcp_fsf_status_read_handler(struct zfcp_fsf_req *fsf_req)
 			ZFCP_LOG_INFO("Local link to adapter %s is down "
 				      "due to failed FDISC login\n",
 				      zfcp_get_busid_by_adapter(adapter));
-			zfcp_fsf_link_down_info_eval(adapter,
+			zfcp_fsf_link_down_info_eval(fsf_req, 39,
 				(struct fsf_link_down_info *)
 				&status_buffer->payload);
 			break;
@@ -944,13 +912,13 @@ zfcp_fsf_status_read_handler(struct zfcp_fsf_req *fsf_req)
 			ZFCP_LOG_INFO("Local link to adapter %s is down "
 				      "due to firmware update on adapter\n",
 				      zfcp_get_busid_by_adapter(adapter));
-			zfcp_fsf_link_down_info_eval(adapter, NULL);
+			zfcp_fsf_link_down_info_eval(fsf_req, 40, NULL);
 			break;
 		default:
 			ZFCP_LOG_INFO("Local link to adapter %s is down "
 				      "due to unknown reason\n",
 				      zfcp_get_busid_by_adapter(adapter));
-			zfcp_fsf_link_down_info_eval(adapter, NULL);
+			zfcp_fsf_link_down_info_eval(fsf_req, 41, NULL);
 		};
 		break;
 
@@ -959,12 +927,13 @@ zfcp_fsf_status_read_handler(struct zfcp_fsf_req *fsf_req)
 				"Restarting operations on this adapter\n",
 				zfcp_get_busid_by_adapter(adapter));
 		/* All ports should be marked as ready to run again */
-		zfcp_erp_modify_adapter_status(adapter,
+		zfcp_erp_modify_adapter_status(adapter, 30, NULL,
 					       ZFCP_STATUS_COMMON_RUNNING,
 					       ZFCP_SET);
 		zfcp_erp_adapter_reopen(adapter,
 					ZFCP_STATUS_ADAPTER_LINK_UNPLUGGED
-					| ZFCP_STATUS_COMMON_ERP_FAILED);
+					| ZFCP_STATUS_COMMON_ERP_FAILED,
+					102, fsf_req);
 		break;
 
 	case FSF_STATUS_READ_NOTIFICATION_LOST:
@@ -998,13 +967,13 @@ zfcp_fsf_status_read_handler(struct zfcp_fsf_req *fsf_req)
 
 		if (status_buffer->status_subtype &
 		    FSF_STATUS_READ_SUB_ACT_UPDATED)
-			zfcp_erp_adapter_access_changed(adapter);
+			zfcp_erp_adapter_access_changed(adapter, 135, fsf_req);
 		break;
 
 	case FSF_STATUS_READ_CFDC_UPDATED:
 		ZFCP_LOG_NORMAL("CFDC has been updated on the adapter %s\n",
 			      zfcp_get_busid_by_adapter(adapter));
-		zfcp_erp_adapter_access_changed(adapter);
+		zfcp_erp_adapter_access_changed(adapter, 136, fsf_req);
 		break;
 
 	case FSF_STATUS_READ_CFDC_HARDENED:
@@ -1025,7 +994,6 @@ zfcp_fsf_status_read_handler(struct zfcp_fsf_req *fsf_req)
 		break;
 
 	case FSF_STATUS_READ_FEATURE_UPDATE_ALERT:
-		debug_text_event(adapter->erp_dbf, 2, "unsol_features:");
 		ZFCP_LOG_INFO("List of supported features on adapter %s has "
 			      "been changed from 0x%08X to 0x%08X\n",
 			      zfcp_get_busid_by_adapter(adapter),
@@ -1073,7 +1041,7 @@ zfcp_fsf_status_read_handler(struct zfcp_fsf_req *fsf_req)
 			ZFCP_LOG_INFO("restart adapter %s due to status read "
 				      "buffer shortage\n",
 				      zfcp_get_busid_by_adapter(adapter));
-			zfcp_erp_adapter_reopen(adapter, 0);
+			zfcp_erp_adapter_reopen(adapter, 0, 103, fsf_req);
 		}
 	}
  out:
@@ -1174,8 +1142,6 @@ zfcp_fsf_abort_fcp_command_handler(struct zfcp_fsf_req *new_fsf_req)
 
 	case FSF_PORT_HANDLE_NOT_VALID:
 		if (fsf_stat_qual->word[0] != fsf_stat_qual->word[1]) {
-			debug_text_event(new_fsf_req->adapter->erp_dbf, 3,
-					 "fsf_s_phand_nv0");
 			/*
 			 * In this case a command that was sent prior to a port
 			 * reopen was aborted (handles are different). This is
@@ -1194,17 +1160,14 @@ zfcp_fsf_abort_fcp_command_handler(struct zfcp_fsf_req *new_fsf_req)
 				      fsf_status_qual,
 				      sizeof (union fsf_status_qual));
 			/* Let's hope this sorts out the mess */
-			debug_text_event(new_fsf_req->adapter->erp_dbf, 1,
-					 "fsf_s_phand_nv1");
-			zfcp_erp_adapter_reopen(unit->port->adapter, 0);
+			zfcp_erp_adapter_reopen(unit->port->adapter, 0, 104,
+						new_fsf_req);
 			new_fsf_req->status |= ZFCP_STATUS_FSFREQ_ERROR;
 		}
 		break;
 
 	case FSF_LUN_HANDLE_NOT_VALID:
 		if (fsf_stat_qual->word[0] != fsf_stat_qual->word[1]) {
-			debug_text_event(new_fsf_req->adapter->erp_dbf, 3,
-					 "fsf_s_lhand_nv0");
 			/*
 			 * In this case a command that was sent prior to a unit
 			 * reopen was aborted (handles are different).
@@ -1226,17 +1189,13 @@ zfcp_fsf_abort_fcp_command_handler(struct zfcp_fsf_req *new_fsf_req)
 				      fsf_status_qual,
 				      sizeof (union fsf_status_qual));
 			/* Let's hope this sorts out the mess */
-			debug_text_event(new_fsf_req->adapter->erp_dbf, 1,
-					 "fsf_s_lhand_nv1");
-			zfcp_erp_port_reopen(unit->port, 0);
+			zfcp_erp_port_reopen(unit->port, 0, 105, new_fsf_req);
 			new_fsf_req->status |= ZFCP_STATUS_FSFREQ_ERROR;
 		}
 		break;
 
 	case FSF_FCP_COMMAND_DOES_NOT_EXIST:
 		retval = 0;
-		debug_text_event(new_fsf_req->adapter->erp_dbf, 3,
-				 "fsf_s_no_exist");
 		new_fsf_req->status |= ZFCP_STATUS_FSFREQ_ABORTNOTNEEDED;
 		break;
 
@@ -1244,9 +1203,7 @@ zfcp_fsf_abort_fcp_command_handler(struct zfcp_fsf_req *new_fsf_req)
 		ZFCP_LOG_INFO("Remote port 0x%016Lx on adapter %s needs to "
 			      "be reopened\n", unit->port->wwpn,
 			      zfcp_get_busid_by_unit(unit));
-		debug_text_event(new_fsf_req->adapter->erp_dbf, 2,
-				 "fsf_s_pboxed");
-		zfcp_erp_port_boxed(unit->port);
+		zfcp_erp_port_boxed(unit->port, 47, new_fsf_req);
 		new_fsf_req->status |= ZFCP_STATUS_FSFREQ_ERROR
 		    | ZFCP_STATUS_FSFREQ_RETRY;
 		break;
@@ -1257,8 +1214,7 @@ zfcp_fsf_abort_fcp_command_handler(struct zfcp_fsf_req *new_fsf_req)
                         "to be reopened\n",
                         unit->fcp_lun, unit->port->wwpn,
                         zfcp_get_busid_by_unit(unit));
-                debug_text_event(new_fsf_req->adapter->erp_dbf, 1, "fsf_s_lboxed");
-		zfcp_erp_unit_boxed(unit);
+		zfcp_erp_unit_boxed(unit, 48, new_fsf_req);
                 new_fsf_req->status |= ZFCP_STATUS_FSFREQ_ERROR
                         | ZFCP_STATUS_FSFREQ_RETRY;
                 break;
@@ -1266,26 +1222,17 @@ zfcp_fsf_abort_fcp_command_handler(struct zfcp_fsf_req *new_fsf_req)
 	case FSF_ADAPTER_STATUS_AVAILABLE:
 		switch (new_fsf_req->qtcb->header.fsf_status_qual.word[0]) {
 		case FSF_SQ_INVOKE_LINK_TEST_PROCEDURE:
-			debug_text_event(new_fsf_req->adapter->erp_dbf, 1,
-					 "fsf_sq_ltest");
 			zfcp_test_link(unit->port);
 			new_fsf_req->status |= ZFCP_STATUS_FSFREQ_ERROR;
 			break;
 		case FSF_SQ_ULP_DEPENDENT_ERP_REQUIRED:
 			/* SCSI stack will escalate */
-			debug_text_event(new_fsf_req->adapter->erp_dbf, 1,
-					 "fsf_sq_ulp");
 			new_fsf_req->status |= ZFCP_STATUS_FSFREQ_ERROR;
 			break;
 		default:
 			ZFCP_LOG_NORMAL
 			    ("bug: Wrong status qualifier 0x%x arrived.\n",
 			     new_fsf_req->qtcb->header.fsf_status_qual.word[0]);
-			debug_text_event(new_fsf_req->adapter->erp_dbf, 0,
-					 "fsf_sq_inval:");
-			debug_exception(new_fsf_req->adapter->erp_dbf, 0,
-					&new_fsf_req->qtcb->header.
-					fsf_status_qual.word[0], sizeof (u32));
 			break;
 		}
 		break;
@@ -1299,11 +1246,6 @@ zfcp_fsf_abort_fcp_command_handler(struct zfcp_fsf_req *new_fsf_req)
 		ZFCP_LOG_NORMAL("bug: An unknown FSF Status was presented "
 				"(debug info 0x%x)\n",
 				new_fsf_req->qtcb->header.fsf_status);
-		debug_text_event(new_fsf_req->adapter->erp_dbf, 0,
-				 "fsf_s_inval:");
-		debug_exception(new_fsf_req->adapter->erp_dbf, 0,
-				&new_fsf_req->qtcb->header.fsf_status,
-				sizeof (u32));
 		break;
 	}
  skip_fsfstatus:
@@ -1506,8 +1448,7 @@ zfcp_fsf_send_ct_handler(struct zfcp_fsf_req *fsf_req)
 			      zfcp_get_busid_by_port(port),
 			      ZFCP_FC_SERVICE_CLASS_DEFAULT);
 		/* stop operation for this adapter */
-		debug_text_exception(adapter->erp_dbf, 0, "fsf_s_class_nsup");
-		zfcp_erp_adapter_shutdown(adapter, 0);
+		zfcp_erp_adapter_shutdown(adapter, 0, 123, fsf_req);
 		fsf_req->status |= ZFCP_STATUS_FSFREQ_ERROR;
 		break;
 
@@ -1515,13 +1456,11 @@ zfcp_fsf_send_ct_handler(struct zfcp_fsf_req *fsf_req)
                 switch (header->fsf_status_qual.word[0]){
                 case FSF_SQ_INVOKE_LINK_TEST_PROCEDURE:
 			/* reopening link to port */
-			debug_text_event(adapter->erp_dbf, 1, "fsf_sq_ltest");
 			zfcp_test_link(port);
 			fsf_req->status |= ZFCP_STATUS_FSFREQ_ERROR;
 			break;
                 case FSF_SQ_ULP_DEPENDENT_ERP_REQUIRED:
 			/* ERP strategy will escalate */
-			debug_text_event(adapter->erp_dbf, 1, "fsf_sq_ulp");
 			fsf_req->status |= ZFCP_STATUS_FSFREQ_ERROR;
 			break;
                 default:
@@ -1549,8 +1488,7 @@ zfcp_fsf_send_ct_handler(struct zfcp_fsf_req *fsf_req)
 				break;
 			}
 		}
-		debug_text_event(adapter->erp_dbf, 1, "fsf_s_access");
-		zfcp_erp_port_access_denied(port);
+		zfcp_erp_port_access_denied(port, 55, fsf_req);
 		fsf_req->status |= ZFCP_STATUS_FSFREQ_ERROR;
 		break;
 
@@ -1562,7 +1500,6 @@ zfcp_fsf_send_ct_handler(struct zfcp_fsf_req *fsf_req)
 		ZFCP_HEX_DUMP(ZFCP_LOG_LEVEL_INFO,
 			      (char *) &header->fsf_status_qual,
 			      sizeof (union fsf_status_qual));
-		debug_text_event(adapter->erp_dbf, 1, "fsf_s_gcom_rej");
 		fsf_req->status |= ZFCP_STATUS_FSFREQ_ERROR;
 		break;
 
@@ -1575,8 +1512,7 @@ zfcp_fsf_send_ct_handler(struct zfcp_fsf_req *fsf_req)
 		ZFCP_HEX_DUMP(ZFCP_LOG_LEVEL_INFO,
 			      (char *) &header->fsf_status_qual,
 			      sizeof (union fsf_status_qual));
-		debug_text_event(adapter->erp_dbf, 1, "fsf_s_phandle_nv");
-		zfcp_erp_adapter_reopen(adapter, 0);
+		zfcp_erp_adapter_reopen(adapter, 0, 106, fsf_req);
 		fsf_req->status |= ZFCP_STATUS_FSFREQ_ERROR;
 		break;
 
@@ -1584,8 +1520,7 @@ zfcp_fsf_send_ct_handler(struct zfcp_fsf_req *fsf_req)
 		ZFCP_LOG_INFO("port needs to be reopened "
 			      "(adapter %s, port d_id=0x%06x)\n",
 			      zfcp_get_busid_by_port(port), port->d_id);
-		debug_text_event(adapter->erp_dbf, 2, "fsf_s_pboxed");
-		zfcp_erp_port_boxed(port);
+		zfcp_erp_port_boxed(port, 49, fsf_req);
 		fsf_req->status |= ZFCP_STATUS_FSFREQ_ERROR
 		    | ZFCP_STATUS_FSFREQ_RETRY;
 		break;
@@ -1624,9 +1559,6 @@ zfcp_fsf_send_ct_handler(struct zfcp_fsf_req *fsf_req)
        default:
 		ZFCP_LOG_NORMAL("bug: An unknown FSF Status was presented "
 				"(debug info 0x%x)\n", header->fsf_status);
-		debug_text_event(adapter->erp_dbf, 0, "fsf_sq_inval:");
-		debug_exception(adapter->erp_dbf, 0,
-				&header->fsf_status_qual.word[0], sizeof (u32));
 		break;
 	}
 
@@ -1810,21 +1742,18 @@ static int zfcp_fsf_send_els_handler(struct zfcp_fsf_req *fsf_req)
 			      zfcp_get_busid_by_adapter(adapter),
 			      ZFCP_FC_SERVICE_CLASS_DEFAULT);
 		/* stop operation for this adapter */
-		debug_text_exception(adapter->erp_dbf, 0, "fsf_s_class_nsup");
-		zfcp_erp_adapter_shutdown(adapter, 0);
+		zfcp_erp_adapter_shutdown(adapter, 0, 124, fsf_req);
 		fsf_req->status |= ZFCP_STATUS_FSFREQ_ERROR;
 		break;
 
 	case FSF_ADAPTER_STATUS_AVAILABLE:
 		switch (header->fsf_status_qual.word[0]){
 		case FSF_SQ_INVOKE_LINK_TEST_PROCEDURE:
-			debug_text_event(adapter->erp_dbf, 1, "fsf_sq_ltest");
 			if (port && (send_els->ls_code != ZFCP_LS_ADISC))
 				zfcp_test_link(port);
 			fsf_req->status |= ZFCP_STATUS_FSFREQ_ERROR;
 			break;
 		case FSF_SQ_ULP_DEPENDENT_ERP_REQUIRED:
-			debug_text_event(adapter->erp_dbf, 1, "fsf_sq_ulp");
 			fsf_req->status |= ZFCP_STATUS_FSFREQ_ERROR;
 			retval =
 			  zfcp_handle_els_rjt(header->fsf_status_qual.word[1],
@@ -1832,7 +1761,6 @@ static int zfcp_fsf_send_els_handler(struct zfcp_fsf_req *fsf_req)
 					      &header->fsf_status_qual.word[2]);
 			break;
 		case FSF_SQ_RETRY_IF_POSSIBLE:
-			debug_text_event(adapter->erp_dbf, 1, "fsf_sq_retry");
 			fsf_req->status |= ZFCP_STATUS_FSFREQ_ERROR;
 			break;
 		default:
@@ -1909,9 +1837,8 @@ static int zfcp_fsf_send_els_handler(struct zfcp_fsf_req *fsf_req)
 				break;
 			}
 		}
-		debug_text_event(adapter->erp_dbf, 1, "fsf_s_access");
 		if (port != NULL)
-			zfcp_erp_port_access_denied(port);
+			zfcp_erp_port_access_denied(port, 56, fsf_req);
 		fsf_req->status |= ZFCP_STATUS_FSFREQ_ERROR;
 		break;
 
@@ -1921,9 +1848,6 @@ static int zfcp_fsf_send_els_handler(struct zfcp_fsf_req *fsf_req)
 			"(adapter: %s, fsf_status=0x%08x)\n",
 			zfcp_get_busid_by_adapter(adapter),
 			header->fsf_status);
-		debug_text_event(adapter->erp_dbf, 0, "fsf_sq_inval");
-		debug_exception(adapter->erp_dbf, 0,
-			&header->fsf_status_qual.word[0], sizeof(u32));
 		fsf_req->status |= ZFCP_STATUS_FSFREQ_ERROR;
 		break;
 	}
@@ -2132,8 +2056,7 @@ zfcp_fsf_exchange_config_evaluate(struct zfcp_fsf_req *fsf_req, int xchg_ok)
 				"versions in comparison to this device "
 				"driver (try updated device driver)\n",
 				zfcp_get_busid_by_adapter(adapter));
-		debug_text_event(adapter->erp_dbf, 0, "low_qtcb_ver");
-		zfcp_erp_adapter_shutdown(adapter, 0);
+		zfcp_erp_adapter_shutdown(adapter, 0, 125, fsf_req);
 		return -EIO;
 	}
 	if (ZFCP_QTCB_VERSION > bottom->high_qtcb_version) {
@@ -2142,8 +2065,7 @@ zfcp_fsf_exchange_config_evaluate(struct zfcp_fsf_req *fsf_req, int xchg_ok)
 				"versions than this device driver uses"
 				"(consider a microcode upgrade)\n",
 				zfcp_get_busid_by_adapter(adapter));
-		debug_text_event(adapter->erp_dbf, 0, "high_qtcb_ver");
-		zfcp_erp_adapter_shutdown(adapter, 0);
+		zfcp_erp_adapter_shutdown(adapter, 0, 126, fsf_req);
 		return -EIO;
 	}
 	return 0;
@@ -2183,17 +2105,13 @@ zfcp_fsf_exchange_config_data_handler(struct zfcp_fsf_req *fsf_req)
 					adapter->peer_wwnn,
 					adapter->peer_wwpn,
 					adapter->peer_d_id);
-			debug_text_event(fsf_req->adapter->erp_dbf, 0,
-					"top-p-to-p");
 			break;
 		case FC_PORTTYPE_NLPORT:
 			ZFCP_LOG_NORMAL("error: Arbitrated loop fibrechannel "
 					"topology detected at adapter %s "
 					"unsupported, shutting down adapter\n",
 					zfcp_get_busid_by_adapter(adapter));
-			debug_text_event(fsf_req->adapter->erp_dbf, 0,
-					 "top-al");
-			zfcp_erp_adapter_shutdown(adapter, 0);
+			zfcp_erp_adapter_shutdown(adapter, 0, 127, fsf_req);
 			return -EIO;
 		case FC_PORTTYPE_NPORT:
 			ZFCP_LOG_NORMAL("Switched fabric fibrechannel "
@@ -2208,9 +2126,7 @@ zfcp_fsf_exchange_config_data_handler(struct zfcp_fsf_req *fsf_req)
 					"of a type known to the zfcp "
 					"driver, shutting down adapter\n",
 					zfcp_get_busid_by_adapter(adapter));
-			debug_text_exception(fsf_req->adapter->erp_dbf, 0,
-					     "unknown-topo");
-			zfcp_erp_adapter_shutdown(adapter, 0);
+			zfcp_erp_adapter_shutdown(adapter, 0, 128, fsf_req);
 			return -EIO;
 		}
 		bottom = &qtcb->bottom.config;
@@ -2222,33 +2138,24 @@ zfcp_fsf_exchange_config_data_handler(struct zfcp_fsf_req *fsf_req)
 					bottom->max_qtcb_size,
 					zfcp_get_busid_by_adapter(adapter),
 					sizeof(struct fsf_qtcb));
-			debug_text_event(fsf_req->adapter->erp_dbf, 0,
-					 "qtcb-size");
-			debug_event(fsf_req->adapter->erp_dbf, 0,
-				    &bottom->max_qtcb_size, sizeof (u32));
-			zfcp_erp_adapter_shutdown(adapter, 0);
+			zfcp_erp_adapter_shutdown(adapter, 0, 129, fsf_req);
 			return -EIO;
 		}
 		atomic_set_mask(ZFCP_STATUS_ADAPTER_XCONFIG_OK,
 				&adapter->status);
 		break;
 	case FSF_EXCHANGE_CONFIG_DATA_INCOMPLETE:
-		debug_text_event(adapter->erp_dbf, 0, "xchg-inco");
-
 		if (zfcp_fsf_exchange_config_evaluate(fsf_req, 0))
 			return -EIO;
 
 		atomic_set_mask(ZFCP_STATUS_ADAPTER_XCONFIG_OK,
 				&adapter->status);
 
-		zfcp_fsf_link_down_info_eval(adapter,
+		zfcp_fsf_link_down_info_eval(fsf_req, 42,
 			&qtcb->header.fsf_status_qual.link_down_info);
 		break;
 	default:
-		debug_text_event(fsf_req->adapter->erp_dbf, 0, "fsf-stat-ng");
-		debug_event(fsf_req->adapter->erp_dbf, 0,
-			    &fsf_req->qtcb->header.fsf_status, sizeof(u32));
-		zfcp_erp_adapter_shutdown(adapter, 0);
+		zfcp_erp_adapter_shutdown(adapter, 0, 130, fsf_req);
 		return -EIO;
 	}
 	return 0;
@@ -2424,13 +2331,9 @@ zfcp_fsf_exchange_port_data_handler(struct zfcp_fsf_req *fsf_req)
 	case FSF_EXCHANGE_CONFIG_DATA_INCOMPLETE:
 		zfcp_fsf_exchange_port_evaluate(fsf_req, 0);
 		atomic_set_mask(ZFCP_STATUS_ADAPTER_XPORT_OK, &adapter->status);
-		zfcp_fsf_link_down_info_eval(adapter,
+		zfcp_fsf_link_down_info_eval(fsf_req, 43,
 			&qtcb->header.fsf_status_qual.link_down_info);
                 break;
-        default:
-		debug_text_event(adapter->erp_dbf, 0, "xchg-port-ng");
-		debug_event(adapter->erp_dbf, 0,
-			    &fsf_req->qtcb->header.fsf_status, sizeof(u32));
 	}
 }
 
@@ -2528,8 +2431,6 @@ zfcp_fsf_open_port_handler(struct zfcp_fsf_req *fsf_req)
 		ZFCP_LOG_NORMAL("bug: remote port 0x%016Lx on adapter %s "
 				"is already open.\n",
 				port->wwpn, zfcp_get_busid_by_port(port));
-		debug_text_exception(fsf_req->adapter->erp_dbf, 0,
-				     "fsf_s_popen");
 		/*
 		 * This is a bug, however operation should continue normally
 		 * if it is simply ignored
@@ -2553,8 +2454,7 @@ zfcp_fsf_open_port_handler(struct zfcp_fsf_req *fsf_req)
 				break;
 			}
 		}
-		debug_text_event(fsf_req->adapter->erp_dbf, 1, "fsf_s_access");
-		zfcp_erp_port_access_denied(port);
+		zfcp_erp_port_access_denied(port, 57, fsf_req);
 		fsf_req->status |= ZFCP_STATUS_FSFREQ_ERROR;
 		break;
 
@@ -2563,24 +2463,18 @@ zfcp_fsf_open_port_handler(struct zfcp_fsf_req *fsf_req)
 			      "The remote port 0x%016Lx on adapter %s "
 			      "could not be opened. Disabling it.\n",
 			      port->wwpn, zfcp_get_busid_by_port(port));
-		debug_text_event(fsf_req->adapter->erp_dbf, 1,
-				 "fsf_s_max_ports");
-		zfcp_erp_port_failed(port);
+		zfcp_erp_port_failed(port, 31, fsf_req);
 		fsf_req->status |= ZFCP_STATUS_FSFREQ_ERROR;
 		break;
 
 	case FSF_ADAPTER_STATUS_AVAILABLE:
 		switch (header->fsf_status_qual.word[0]) {
 		case FSF_SQ_INVOKE_LINK_TEST_PROCEDURE:
-			debug_text_event(fsf_req->adapter->erp_dbf, 1,
-					 "fsf_sq_ltest");
 			/* ERP strategy will escalate */
 			fsf_req->status |= ZFCP_STATUS_FSFREQ_ERROR;
 			break;
 		case FSF_SQ_ULP_DEPENDENT_ERP_REQUIRED:
 			/* ERP strategy will escalate */
-			debug_text_event(fsf_req->adapter->erp_dbf, 1,
-					 "fsf_sq_ulp");
 			fsf_req->status |= ZFCP_STATUS_FSFREQ_ERROR;
 			break;
 		case FSF_SQ_NO_RETRY_POSSIBLE:
@@ -2589,21 +2483,13 @@ zfcp_fsf_open_port_handler(struct zfcp_fsf_req *fsf_req)
 					"Disabling it.\n",
 					port->wwpn,
 					zfcp_get_busid_by_port(port));
-			debug_text_exception(fsf_req->adapter->erp_dbf, 0,
-					     "fsf_sq_no_retry");
-			zfcp_erp_port_failed(port);
+			zfcp_erp_port_failed(port, 32, fsf_req);
 			fsf_req->status |= ZFCP_STATUS_FSFREQ_ERROR;
 			break;
 		default:
 			ZFCP_LOG_NORMAL
 			    ("bug: Wrong status qualifier 0x%x arrived.\n",
 			     header->fsf_status_qual.word[0]);
-			debug_text_event(fsf_req->adapter->erp_dbf, 0,
-					 "fsf_sq_inval:");
-			debug_exception(
-				fsf_req->adapter->erp_dbf, 0,
-				&header->fsf_status_qual.word[0],
-				sizeof (u32));
 			break;
 		}
 		break;
@@ -2646,17 +2532,12 @@ zfcp_fsf_open_port_handler(struct zfcp_fsf_req *fsf_req)
 					"warning: insufficient length of "
 					"PLOGI payload (%i)\n",
 					fsf_req->qtcb->bottom.support.els1_length);
-				debug_text_event(fsf_req->adapter->erp_dbf, 0,
-						 "fsf_s_short_plogi:");
 				/* skip sanity check and assume wwpn is ok */
 			} else {
 				if (plogi->serv_param.wwpn != port->wwpn) {
 					ZFCP_LOG_INFO("warning: d_id of port "
 						      "0x%016Lx changed during "
 						      "open\n", port->wwpn);
-					debug_text_event(
-						fsf_req->adapter->erp_dbf, 0,
-						"fsf_s_did_change:");
 					atomic_clear_mask(
 						ZFCP_STATUS_PORT_DID_DID,
 						&port->status);
@@ -2681,9 +2562,6 @@ zfcp_fsf_open_port_handler(struct zfcp_fsf_req *fsf_req)
 		ZFCP_LOG_NORMAL("bug: An unknown FSF Status was presented "
 				"(debug info 0x%x)\n",
 				header->fsf_status);
-		debug_text_event(fsf_req->adapter->erp_dbf, 0, "fsf_s_inval:");
-		debug_exception(fsf_req->adapter->erp_dbf, 0,
-				&header->fsf_status, sizeof (u32));
 		break;
 	}
 
@@ -2787,9 +2665,7 @@ zfcp_fsf_close_port_handler(struct zfcp_fsf_req *fsf_req)
 		ZFCP_HEX_DUMP(ZFCP_LOG_LEVEL_DEBUG,
 			      (char *) &fsf_req->qtcb->header.fsf_status_qual,
 			      sizeof (union fsf_status_qual));
-		debug_text_event(fsf_req->adapter->erp_dbf, 1,
-				 "fsf_s_phand_nv");
-		zfcp_erp_adapter_reopen(port->adapter, 0);
+		zfcp_erp_adapter_reopen(port->adapter, 0, 107, fsf_req);
 		fsf_req->status |= ZFCP_STATUS_FSFREQ_ERROR;
 		break;
 
@@ -2804,7 +2680,7 @@ zfcp_fsf_close_port_handler(struct zfcp_fsf_req *fsf_req)
 		ZFCP_LOG_TRACE("remote port 0x016%Lx on adapter %s closed, "
 			       "port handle 0x%x\n", port->wwpn,
 			       zfcp_get_busid_by_port(port), port->handle);
-		zfcp_erp_modify_port_status(port,
+		zfcp_erp_modify_port_status(port, 33, fsf_req,
 					    ZFCP_STATUS_COMMON_OPEN,
 					    ZFCP_CLEAR);
 		retval = 0;
@@ -2814,10 +2690,6 @@ zfcp_fsf_close_port_handler(struct zfcp_fsf_req *fsf_req)
 		ZFCP_LOG_NORMAL("bug: An unknown FSF Status was presented "
 				"(debug info 0x%x)\n",
 				fsf_req->qtcb->header.fsf_status);
-		debug_text_event(fsf_req->adapter->erp_dbf, 0, "fsf_s_inval:");
-		debug_exception(fsf_req->adapter->erp_dbf, 0,
-				&fsf_req->qtcb->header.fsf_status,
-				sizeof (u32));
 		break;
 	}
 
@@ -2930,9 +2802,7 @@ zfcp_fsf_close_physical_port_handler(struct zfcp_fsf_req *fsf_req)
 		ZFCP_HEX_DUMP(ZFCP_LOG_LEVEL_DEBUG,
 			      (char *) &header->fsf_status_qual,
 			      sizeof (union fsf_status_qual));
-		debug_text_event(fsf_req->adapter->erp_dbf, 1,
-				 "fsf_s_phand_nv");
-		zfcp_erp_adapter_reopen(port->adapter, 0);
+		zfcp_erp_adapter_reopen(port->adapter, 0, 108, fsf_req);
 		fsf_req->status |= ZFCP_STATUS_FSFREQ_ERROR;
 		break;
 
@@ -2953,8 +2823,7 @@ zfcp_fsf_close_physical_port_handler(struct zfcp_fsf_req *fsf_req)
 				break;
 			}
 		}
-		debug_text_event(fsf_req->adapter->erp_dbf, 1, "fsf_s_access");
-		zfcp_erp_port_access_denied(port);
+		zfcp_erp_port_access_denied(port, 58, fsf_req);
 		fsf_req->status |= ZFCP_STATUS_FSFREQ_ERROR;
 		break;
 
@@ -2964,35 +2833,32 @@ zfcp_fsf_close_physical_port_handler(struct zfcp_fsf_req *fsf_req)
 			       "to close it physically.\n",
 			       port->wwpn,
 			       zfcp_get_busid_by_port(port));
-		debug_text_event(fsf_req->adapter->erp_dbf, 1, "fsf_s_pboxed");
-		zfcp_erp_port_boxed(port);
+		zfcp_erp_port_boxed(port, 50, fsf_req);
 		fsf_req->status |= ZFCP_STATUS_FSFREQ_ERROR |
 			ZFCP_STATUS_FSFREQ_RETRY;
+
+		/* can't use generic zfcp_erp_modify_port_status because
+		 * ZFCP_STATUS_COMMON_OPEN must not be reset for the port */
+		atomic_clear_mask(ZFCP_STATUS_PORT_PHYS_OPEN, &port->status);
+		list_for_each_entry(unit, &port->unit_list_head, list)
+			atomic_clear_mask(ZFCP_STATUS_COMMON_OPEN,
+					  &unit->status);
 		break;
 
 	case FSF_ADAPTER_STATUS_AVAILABLE:
 		switch (header->fsf_status_qual.word[0]) {
 		case FSF_SQ_INVOKE_LINK_TEST_PROCEDURE:
-			debug_text_event(fsf_req->adapter->erp_dbf, 1,
-					 "fsf_sq_ltest");
 			/* This will now be escalated by ERP */
 			fsf_req->status |= ZFCP_STATUS_FSFREQ_ERROR;
 			break;
 		case FSF_SQ_ULP_DEPENDENT_ERP_REQUIRED:
 			/* ERP strategy will escalate */
-			debug_text_event(fsf_req->adapter->erp_dbf, 1,
-					 "fsf_sq_ulp");
 			fsf_req->status |= ZFCP_STATUS_FSFREQ_ERROR;
 			break;
 		default:
 			ZFCP_LOG_NORMAL
 			    ("bug: Wrong status qualifier 0x%x arrived.\n",
 			     header->fsf_status_qual.word[0]);
-			debug_text_event(fsf_req->adapter->erp_dbf, 0,
-					 "fsf_sq_inval:");
-			debug_exception(
-				fsf_req->adapter->erp_dbf, 0,
-				&header->fsf_status_qual.word[0], sizeof (u32));
 			break;
 		}
 		break;
@@ -3015,9 +2881,6 @@ zfcp_fsf_close_physical_port_handler(struct zfcp_fsf_req *fsf_req)
 		ZFCP_LOG_NORMAL("bug: An unknown FSF Status was presented "
 				"(debug info 0x%x)\n",
 				header->fsf_status);
-		debug_text_event(fsf_req->adapter->erp_dbf, 0, "fsf_s_inval:");
-		debug_exception(fsf_req->adapter->erp_dbf, 0,
-				&header->fsf_status, sizeof (u32));
 		break;
 	}
 
@@ -3149,8 +3012,7 @@ zfcp_fsf_open_unit_handler(struct zfcp_fsf_req *fsf_req)
 		ZFCP_HEX_DUMP(ZFCP_LOG_LEVEL_DEBUG,
 			      (char *) &header->fsf_status_qual,
 			      sizeof (union fsf_status_qual));
-		debug_text_event(adapter->erp_dbf, 1, "fsf_s_ph_nv");
-		zfcp_erp_adapter_reopen(unit->port->adapter, 0);
+		zfcp_erp_adapter_reopen(unit->port->adapter, 0, 109, fsf_req);
 		fsf_req->status |= ZFCP_STATUS_FSFREQ_ERROR;
 		break;
 
@@ -3159,8 +3021,6 @@ zfcp_fsf_open_unit_handler(struct zfcp_fsf_req *fsf_req)
 				"remote port 0x%016Lx on adapter %s twice.\n",
 				unit->fcp_lun,
 				unit->port->wwpn, zfcp_get_busid_by_unit(unit));
-		debug_text_exception(adapter->erp_dbf, 0,
-				     "fsf_s_uopen");
 		fsf_req->status |= ZFCP_STATUS_FSFREQ_ERROR;
 		break;
 
@@ -3182,8 +3042,7 @@ zfcp_fsf_open_unit_handler(struct zfcp_fsf_req *fsf_req)
 				break;
 			}
 		}
-		debug_text_event(adapter->erp_dbf, 1, "fsf_s_access");
-		zfcp_erp_unit_access_denied(unit);
+		zfcp_erp_unit_access_denied(unit, 59, fsf_req);
 		atomic_clear_mask(ZFCP_STATUS_UNIT_SHARED, &unit->status);
                 atomic_clear_mask(ZFCP_STATUS_UNIT_READONLY, &unit->status);
 		fsf_req->status |= ZFCP_STATUS_FSFREQ_ERROR;
@@ -3193,8 +3052,7 @@ zfcp_fsf_open_unit_handler(struct zfcp_fsf_req *fsf_req)
 		ZFCP_LOG_DEBUG("The remote port 0x%016Lx on adapter %s "
 			       "needs to be reopened\n",
 			       unit->port->wwpn, zfcp_get_busid_by_unit(unit));
-		debug_text_event(adapter->erp_dbf, 2, "fsf_s_pboxed");
-		zfcp_erp_port_boxed(unit->port);
+		zfcp_erp_port_boxed(unit->port, 51, fsf_req);
 		fsf_req->status |= ZFCP_STATUS_FSFREQ_ERROR |
 			ZFCP_STATUS_FSFREQ_RETRY;
 		break;
@@ -3234,9 +3092,7 @@ zfcp_fsf_open_unit_handler(struct zfcp_fsf_req *fsf_req)
 		ZFCP_HEX_DUMP(ZFCP_LOG_LEVEL_DEBUG,
 			      (char *) &header->fsf_status_qual,
 			      sizeof (union fsf_status_qual));
-		debug_text_event(adapter->erp_dbf, 2,
-				 "fsf_s_l_sh_vio");
-		zfcp_erp_unit_access_denied(unit);
+		zfcp_erp_unit_access_denied(unit, 60, fsf_req);
 		atomic_clear_mask(ZFCP_STATUS_UNIT_SHARED, &unit->status);
 		atomic_clear_mask(ZFCP_STATUS_UNIT_READONLY, &unit->status);
 		fsf_req->status |= ZFCP_STATUS_FSFREQ_ERROR;
@@ -3250,9 +3106,7 @@ zfcp_fsf_open_unit_handler(struct zfcp_fsf_req *fsf_req)
 			      unit->fcp_lun,
 			      unit->port->wwpn,
 			      zfcp_get_busid_by_unit(unit));
-		debug_text_event(adapter->erp_dbf, 1,
-				 "fsf_s_max_units");
-		zfcp_erp_unit_failed(unit);
+		zfcp_erp_unit_failed(unit, 34, fsf_req);
 		fsf_req->status |= ZFCP_STATUS_FSFREQ_ERROR;
 		break;
 
@@ -3260,26 +3114,17 @@ zfcp_fsf_open_unit_handler(struct zfcp_fsf_req *fsf_req)
 		switch (header->fsf_status_qual.word[0]) {
 		case FSF_SQ_INVOKE_LINK_TEST_PROCEDURE:
 			/* Re-establish link to port */
-			debug_text_event(adapter->erp_dbf, 1,
-					 "fsf_sq_ltest");
 			zfcp_test_link(unit->port);
 			fsf_req->status |= ZFCP_STATUS_FSFREQ_ERROR;
 			break;
 		case FSF_SQ_ULP_DEPENDENT_ERP_REQUIRED:
 			/* ERP strategy will escalate */
-			debug_text_event(adapter->erp_dbf, 1,
-					 "fsf_sq_ulp");
 			fsf_req->status |= ZFCP_STATUS_FSFREQ_ERROR;
 			break;
 		default:
 			ZFCP_LOG_NORMAL
 			    ("bug: Wrong status qualifier 0x%x arrived.\n",
 			     header->fsf_status_qual.word[0]);
-			debug_text_event(adapter->erp_dbf, 0,
-					 "fsf_sq_inval:");
-			debug_exception(adapter->erp_dbf, 0,
-					&header->fsf_status_qual.word[0],
-				sizeof (u32));
 		}
 		break;
 
@@ -3331,15 +3176,15 @@ zfcp_fsf_open_unit_handler(struct zfcp_fsf_req *fsf_req)
         		if (exclusive && !readwrite) {
                 		ZFCP_LOG_NORMAL("exclusive access of read-only "
 						"unit not supported\n");
-				zfcp_erp_unit_failed(unit);
+				zfcp_erp_unit_failed(unit, 35, fsf_req);
 				fsf_req->status |= ZFCP_STATUS_FSFREQ_ERROR;
-				zfcp_erp_unit_shutdown(unit, 0);
+				zfcp_erp_unit_shutdown(unit, 0, 80, fsf_req);
         		} else if (!exclusive && readwrite) {
                 		ZFCP_LOG_NORMAL("shared access of read-write "
 						"unit not supported\n");
-                		zfcp_erp_unit_failed(unit);
+				zfcp_erp_unit_failed(unit, 36, fsf_req);
 				fsf_req->status |= ZFCP_STATUS_FSFREQ_ERROR;
-				zfcp_erp_unit_shutdown(unit, 0);
+				zfcp_erp_unit_shutdown(unit, 0, 81, fsf_req);
         		}
 		}
 
@@ -3350,9 +3195,6 @@ zfcp_fsf_open_unit_handler(struct zfcp_fsf_req *fsf_req)
 		ZFCP_LOG_NORMAL("bug: An unknown FSF Status was presented "
 				"(debug info 0x%x)\n",
 				header->fsf_status);
-		debug_text_event(adapter->erp_dbf, 0, "fsf_s_inval:");
-		debug_exception(adapter->erp_dbf, 0,
-				&header->fsf_status, sizeof (u32));
 		break;
 	}
 
@@ -3465,9 +3307,7 @@ zfcp_fsf_close_unit_handler(struct zfcp_fsf_req *fsf_req)
 		ZFCP_HEX_DUMP(ZFCP_LOG_LEVEL_DEBUG,
 			      (char *) &fsf_req->qtcb->header.fsf_status_qual,
 			      sizeof (union fsf_status_qual));
-		debug_text_event(fsf_req->adapter->erp_dbf, 1,
-				 "fsf_s_phand_nv");
-		zfcp_erp_adapter_reopen(unit->port->adapter, 0);
+		zfcp_erp_adapter_reopen(unit->port->adapter, 0, 110, fsf_req);
 		fsf_req->status |= ZFCP_STATUS_FSFREQ_ERROR;
 		break;
 
@@ -3483,9 +3323,7 @@ zfcp_fsf_close_unit_handler(struct zfcp_fsf_req *fsf_req)
 		ZFCP_HEX_DUMP(ZFCP_LOG_LEVEL_DEBUG,
 			      (char *) &fsf_req->qtcb->header.fsf_status_qual,
 			      sizeof (union fsf_status_qual));
-		debug_text_event(fsf_req->adapter->erp_dbf, 1,
-				 "fsf_s_lhand_nv");
-		zfcp_erp_port_reopen(unit->port, 0);
+		zfcp_erp_port_reopen(unit->port, 0, 111, fsf_req);
 		fsf_req->status |= ZFCP_STATUS_FSFREQ_ERROR;
 		break;
 
@@ -3494,8 +3332,7 @@ zfcp_fsf_close_unit_handler(struct zfcp_fsf_req *fsf_req)
 			       "needs to be reopened\n",
 			       unit->port->wwpn,
 			       zfcp_get_busid_by_unit(unit));
-		debug_text_event(fsf_req->adapter->erp_dbf, 2, "fsf_s_pboxed");
-		zfcp_erp_port_boxed(unit->port);
+		zfcp_erp_port_boxed(unit->port, 52, fsf_req);
 		fsf_req->status |= ZFCP_STATUS_FSFREQ_ERROR |
 			ZFCP_STATUS_FSFREQ_RETRY;
 		break;
@@ -3504,27 +3341,17 @@ zfcp_fsf_close_unit_handler(struct zfcp_fsf_req *fsf_req)
 		switch (fsf_req->qtcb->header.fsf_status_qual.word[0]) {
 		case FSF_SQ_INVOKE_LINK_TEST_PROCEDURE:
 			/* re-establish link to port */
-			debug_text_event(fsf_req->adapter->erp_dbf, 1,
-					 "fsf_sq_ltest");
 			zfcp_test_link(unit->port);
 			fsf_req->status |= ZFCP_STATUS_FSFREQ_ERROR;
 			break;
 		case FSF_SQ_ULP_DEPENDENT_ERP_REQUIRED:
 			/* ERP strategy will escalate */
-			debug_text_event(fsf_req->adapter->erp_dbf, 1,
-					 "fsf_sq_ulp");
 			fsf_req->status |= ZFCP_STATUS_FSFREQ_ERROR;
 			break;
 		default:
 			ZFCP_LOG_NORMAL
 			    ("bug: Wrong status qualifier 0x%x arrived.\n",
 			     fsf_req->qtcb->header.fsf_status_qual.word[0]);
-			debug_text_event(fsf_req->adapter->erp_dbf, 0,
-					 "fsf_sq_inval:");
-			debug_exception(
-				fsf_req->adapter->erp_dbf, 0,
-				&fsf_req->qtcb->header.fsf_status_qual.word[0],
-				sizeof (u32));
 			break;
 		}
 		break;
@@ -3545,10 +3372,6 @@ zfcp_fsf_close_unit_handler(struct zfcp_fsf_req *fsf_req)
 		ZFCP_LOG_NORMAL("bug: An unknown FSF Status was presented "
 				"(debug info 0x%x)\n",
 				fsf_req->qtcb->header.fsf_status);
-		debug_text_event(fsf_req->adapter->erp_dbf, 0, "fsf_s_inval:");
-		debug_exception(fsf_req->adapter->erp_dbf, 0,
-				&fsf_req->qtcb->header.fsf_status,
-				sizeof (u32));
 		break;
 	}
 
@@ -3703,7 +3526,7 @@ zfcp_fsf_send_fcp_command_task(struct zfcp_adapter *adapter,
 					zfcp_get_busid_by_unit(unit),
 					unit->port->wwpn,
 					unit->fcp_lun);
-			zfcp_erp_unit_shutdown(unit, 0);
+			zfcp_erp_unit_shutdown(unit, 0, 131, fsf_req);
 			retval = -EINVAL;
 		}
 		goto no_fit;
@@ -3739,8 +3562,8 @@ zfcp_fsf_send_fcp_command_task(struct zfcp_adapter *adapter,
  send_failed:
  no_fit:
  failed_scsi_cmnd:
- unit_blocked:
 	zfcp_unit_put(unit);
+ unit_blocked:
 	zfcp_fsf_req_free(fsf_req);
 	fsf_req = NULL;
 	scsi_cmnd->host_scribble = NULL;
@@ -3861,9 +3684,7 @@ zfcp_fsf_send_fcp_command_handler(struct zfcp_fsf_req *fsf_req)
 		ZFCP_HEX_DUMP(ZFCP_LOG_LEVEL_DEBUG,
 			      (char *) &header->fsf_status_qual,
 			      sizeof (union fsf_status_qual));
-		debug_text_event(fsf_req->adapter->erp_dbf, 1,
-				 "fsf_s_phand_nv");
-		zfcp_erp_adapter_reopen(unit->port->adapter, 0);
+		zfcp_erp_adapter_reopen(unit->port->adapter, 0, 112, fsf_req);
 		fsf_req->status |= ZFCP_STATUS_FSFREQ_ERROR;
 		break;
 
@@ -3879,9 +3700,7 @@ zfcp_fsf_send_fcp_command_handler(struct zfcp_fsf_req *fsf_req)
 		ZFCP_HEX_DUMP(ZFCP_LOG_LEVEL_NORMAL,
 			      (char *) &header->fsf_status_qual,
 			      sizeof (union fsf_status_qual));
-		debug_text_event(fsf_req->adapter->erp_dbf, 1,
-				 "fsf_s_uhand_nv");
-		zfcp_erp_port_reopen(unit->port, 0);
+		zfcp_erp_port_reopen(unit->port, 0, 113, fsf_req);
 		fsf_req->status |= ZFCP_STATUS_FSFREQ_ERROR;
 		break;
 
@@ -3897,9 +3716,7 @@ zfcp_fsf_send_fcp_command_handler(struct zfcp_fsf_req *fsf_req)
 		ZFCP_HEX_DUMP(ZFCP_LOG_LEVEL_NORMAL,
 			      (char *) &header->fsf_status_qual,
 			      sizeof (union fsf_status_qual));
-		debug_text_event(fsf_req->adapter->erp_dbf, 1,
-				 "fsf_s_hand_mis");
-		zfcp_erp_adapter_reopen(unit->port->adapter, 0);
+		zfcp_erp_adapter_reopen(unit->port->adapter, 0, 114, fsf_req);
 		fsf_req->status |= ZFCP_STATUS_FSFREQ_ERROR;
 		break;
 
@@ -3909,9 +3726,7 @@ zfcp_fsf_send_fcp_command_handler(struct zfcp_fsf_req *fsf_req)
 			      zfcp_get_busid_by_unit(unit),
 			      ZFCP_FC_SERVICE_CLASS_DEFAULT);
 		/* stop operation for this adapter */
-		debug_text_exception(fsf_req->adapter->erp_dbf, 0,
-				     "fsf_s_class_nsup");
-		zfcp_erp_adapter_shutdown(unit->port->adapter, 0);
+		zfcp_erp_adapter_shutdown(unit->port->adapter, 0, 132, fsf_req);
 		fsf_req->status |= ZFCP_STATUS_FSFREQ_ERROR;
 		break;
 
@@ -3927,9 +3742,7 @@ zfcp_fsf_send_fcp_command_handler(struct zfcp_fsf_req *fsf_req)
 		ZFCP_HEX_DUMP(ZFCP_LOG_LEVEL_DEBUG,
 			      (char *) &header->fsf_status_qual,
 			      sizeof (union fsf_status_qual));
-		debug_text_event(fsf_req->adapter->erp_dbf, 1,
-				 "fsf_s_fcp_lun_nv");
-		zfcp_erp_port_reopen(unit->port, 0);
+		zfcp_erp_port_reopen(unit->port, 0, 115, fsf_req);
 		fsf_req->status |= ZFCP_STATUS_FSFREQ_ERROR;
 		break;
 
@@ -3951,8 +3764,7 @@ zfcp_fsf_send_fcp_command_handler(struct zfcp_fsf_req *fsf_req)
 				break;
 			}
 		}
-		debug_text_event(fsf_req->adapter->erp_dbf, 1, "fsf_s_access");
-		zfcp_erp_unit_access_denied(unit);
+		zfcp_erp_unit_access_denied(unit, 61, fsf_req);
 		fsf_req->status |= ZFCP_STATUS_FSFREQ_ERROR;
 		break;
 
@@ -3965,9 +3777,7 @@ zfcp_fsf_send_fcp_command_handler(struct zfcp_fsf_req *fsf_req)
 			      zfcp_get_busid_by_unit(unit),
 			      fsf_req->qtcb->bottom.io.data_direction);
 		/* stop operation for this adapter */
-		debug_text_event(fsf_req->adapter->erp_dbf, 0,
-				 "fsf_s_dir_ind_nv");
-		zfcp_erp_adapter_shutdown(unit->port->adapter, 0);
+		zfcp_erp_adapter_shutdown(unit->port->adapter, 0, 133, fsf_req);
 		fsf_req->status |= ZFCP_STATUS_FSFREQ_ERROR;
 		break;
 
@@ -3980,9 +3790,7 @@ zfcp_fsf_send_fcp_command_handler(struct zfcp_fsf_req *fsf_req)
 		     zfcp_get_busid_by_unit(unit),
 		     fsf_req->qtcb->bottom.io.fcp_cmnd_length);
 		/* stop operation for this adapter */
-		debug_text_event(fsf_req->adapter->erp_dbf, 0,
-				 "fsf_s_cmd_len_nv");
-		zfcp_erp_adapter_shutdown(unit->port->adapter, 0);
+		zfcp_erp_adapter_shutdown(unit->port->adapter, 0, 134, fsf_req);
 		fsf_req->status |= ZFCP_STATUS_FSFREQ_ERROR;
 		break;
 
@@ -3990,8 +3798,7 @@ zfcp_fsf_send_fcp_command_handler(struct zfcp_fsf_req *fsf_req)
 		ZFCP_LOG_DEBUG("The remote port 0x%016Lx on adapter %s "
 			       "needs to be reopened\n",
 			       unit->port->wwpn, zfcp_get_busid_by_unit(unit));
-		debug_text_event(fsf_req->adapter->erp_dbf, 2, "fsf_s_pboxed");
-		zfcp_erp_port_boxed(unit->port);
+		zfcp_erp_port_boxed(unit->port, 53, fsf_req);
 		fsf_req->status |= ZFCP_STATUS_FSFREQ_ERROR |
 			ZFCP_STATUS_FSFREQ_RETRY;
 		break;
@@ -4001,8 +3808,7 @@ zfcp_fsf_send_fcp_command_handler(struct zfcp_fsf_req *fsf_req)
 				"wwpn=0x%016Lx, fcp_lun=0x%016Lx)\n",
 				zfcp_get_busid_by_unit(unit),
 				unit->port->wwpn, unit->fcp_lun);
-		debug_text_event(fsf_req->adapter->erp_dbf, 1, "fsf_s_lboxed");
-		zfcp_erp_unit_boxed(unit);
+		zfcp_erp_unit_boxed(unit, 54, fsf_req);
 		fsf_req->status |= ZFCP_STATUS_FSFREQ_ERROR
 			| ZFCP_STATUS_FSFREQ_RETRY;
 		break;
@@ -4011,25 +3817,16 @@ zfcp_fsf_send_fcp_command_handler(struct zfcp_fsf_req *fsf_req)
 		switch (header->fsf_status_qual.word[0]) {
 		case FSF_SQ_INVOKE_LINK_TEST_PROCEDURE:
 			/* re-establish link to port */
-			debug_text_event(fsf_req->adapter->erp_dbf, 1,
-					 "fsf_sq_ltest");
  			zfcp_test_link(unit->port);
 			break;
 		case FSF_SQ_ULP_DEPENDENT_ERP_REQUIRED:
 			/* FIXME(hw) need proper specs for proper action */
 			/* let scsi stack deal with retries and escalation */
-			debug_text_event(fsf_req->adapter->erp_dbf, 1,
-					 "fsf_sq_ulp");
 			break;
 		default:
 			ZFCP_LOG_NORMAL
  			    ("Unknown status qualifier 0x%x arrived.\n",
 			     header->fsf_status_qual.word[0]);
-			debug_text_event(fsf_req->adapter->erp_dbf, 0,
-					 "fsf_sq_inval:");
-			debug_exception(fsf_req->adapter->erp_dbf, 0,
-					&header->fsf_status_qual.word[0],
-					sizeof(u32));
 			break;
 		}
 		fsf_req->status |= ZFCP_STATUS_FSFREQ_ERROR;
@@ -4040,12 +3837,6 @@ zfcp_fsf_send_fcp_command_handler(struct zfcp_fsf_req *fsf_req)
 
 	case FSF_FCP_RSP_AVAILABLE:
 		break;
-
-	default:
-		debug_text_event(fsf_req->adapter->erp_dbf, 0, "fsf_s_inval:");
-		debug_exception(fsf_req->adapter->erp_dbf, 0,
-				&header->fsf_status, sizeof(u32));
-		break;
 	}
 
  skip_fsfstatus:
@@ -4625,9 +4416,6 @@ zfcp_fsf_control_file_handler(struct zfcp_fsf_req *fsf_req)
 			"was presented on the adapter %s\n",
 			header->fsf_status,
 			zfcp_get_busid_by_adapter(adapter));
-		debug_text_event(fsf_req->adapter->erp_dbf, 0, "fsf_sq_inval");
-		debug_exception(fsf_req->adapter->erp_dbf, 0,
-			&header->fsf_status_qual.word[0], sizeof(u32));
 		fsf_req->status |= ZFCP_STATUS_FSFREQ_ERROR;
 		retval = -EINVAL;
 		break;
@@ -4817,7 +4605,6 @@ static int zfcp_fsf_req_send(struct zfcp_fsf_req *fsf_req)
 	volatile struct qdio_buffer_element *sbale;
 	int inc_seq_no;
 	int new_distance_from_int;
-	u64 dbg_tmp[2];
 	int retval = 0;
 
 	adapter = fsf_req->adapter;
@@ -4867,10 +4654,6 @@ static int zfcp_fsf_req_send(struct zfcp_fsf_req *fsf_req)
 			 QDIO_FLAG_SYNC_OUTPUT,
 			 0, fsf_req->sbal_first, fsf_req->sbal_number, NULL);
 
-	dbg_tmp[0] = (unsigned long) sbale[0].addr;
-	dbg_tmp[1] = (u64) retval;
-	debug_event(adapter->erp_dbf, 4, (void *) dbg_tmp, 16);
-
 	if (unlikely(retval)) {
 		/* Queues are down..... */
 		retval = -EIO;
@@ -4885,7 +4668,7 @@ static int zfcp_fsf_req_send(struct zfcp_fsf_req *fsf_req)
 		req_queue->free_index -= fsf_req->sbal_number;
 		req_queue->free_index += QDIO_MAX_BUFFERS_PER_Q;
 		req_queue->free_index %= QDIO_MAX_BUFFERS_PER_Q; /* wrap */
-		zfcp_erp_adapter_reopen(adapter, 0);
+		zfcp_erp_adapter_reopen(adapter, 0, 116, fsf_req);
 	} else {
 		req_queue->distance_from_int = new_distance_from_int;
 		/*
diff --git a/drivers/s390/scsi/zfcp_qdio.c b/drivers/s390/scsi/zfcp_qdio.c
index 22fdc17e0d0e..8ca5f074c687 100644
--- a/drivers/s390/scsi/zfcp_qdio.c
+++ b/drivers/s390/scsi/zfcp_qdio.c
@@ -175,8 +175,9 @@ zfcp_qdio_handler_error_check(struct zfcp_adapter *adapter, unsigned int status,
                 * which is set again in case we have missed by a mile.
                 */
 		zfcp_erp_adapter_reopen(adapter,
-				       ZFCP_STATUS_ADAPTER_LINK_UNPLUGGED |
-				       ZFCP_STATUS_COMMON_ERP_FAILED);
+					ZFCP_STATUS_ADAPTER_LINK_UNPLUGGED |
+					ZFCP_STATUS_COMMON_ERP_FAILED, 140,
+					NULL);
 	}
 	return retval;
 }
@@ -239,8 +240,6 @@ static void zfcp_qdio_reqid_check(struct zfcp_adapter *adapter,
 	struct zfcp_fsf_req *fsf_req;
 	unsigned long flags;
 
-	debug_long_event(adapter->erp_dbf, 4, req_id);
-
 	spin_lock_irqsave(&adapter->req_list_lock, flags);
 	fsf_req = zfcp_reqlist_find(adapter, req_id);
 
diff --git a/drivers/s390/scsi/zfcp_scsi.c b/drivers/s390/scsi/zfcp_scsi.c
index b9daf5c05862..f81850624eed 100644
--- a/drivers/s390/scsi/zfcp_scsi.c
+++ b/drivers/s390/scsi/zfcp_scsi.c
@@ -31,6 +31,7 @@ static int zfcp_scsi_queuecommand(struct scsi_cmnd *,
 				  void (*done) (struct scsi_cmnd *));
 static int zfcp_scsi_eh_abort_handler(struct scsi_cmnd *);
 static int zfcp_scsi_eh_device_reset_handler(struct scsi_cmnd *);
+static int zfcp_scsi_eh_target_reset_handler(struct scsi_cmnd *);
 static int zfcp_scsi_eh_host_reset_handler(struct scsi_cmnd *);
 static int zfcp_task_management_function(struct zfcp_unit *, u8,
 					 struct scsi_cmnd *);
@@ -51,6 +52,7 @@ struct zfcp_data zfcp_data = {
 		.queuecommand		= zfcp_scsi_queuecommand,
 		.eh_abort_handler	= zfcp_scsi_eh_abort_handler,
 		.eh_device_reset_handler = zfcp_scsi_eh_device_reset_handler,
+		.eh_target_reset_handler = zfcp_scsi_eh_target_reset_handler,
 		.eh_host_reset_handler	= zfcp_scsi_eh_host_reset_handler,
 		.can_queue		= 4096,
 		.this_id		= -1,
@@ -179,11 +181,10 @@ static void zfcp_scsi_slave_destroy(struct scsi_device *sdpnt)
 	struct zfcp_unit *unit = (struct zfcp_unit *) sdpnt->hostdata;
 
 	if (unit) {
-		zfcp_erp_wait(unit->port->adapter);
 		atomic_clear_mask(ZFCP_STATUS_UNIT_REGISTERED, &unit->status);
 		sdpnt->hostdata = NULL;
 		unit->device = NULL;
-		zfcp_erp_unit_failed(unit);
+		zfcp_erp_unit_failed(unit, 12, NULL);
 		zfcp_unit_put(unit);
 	} else
 		ZFCP_LOG_NORMAL("bug: no unit associated with SCSI device at "
@@ -442,58 +443,32 @@ static int zfcp_scsi_eh_abort_handler(struct scsi_cmnd *scpnt)
 	return retval;
 }
 
-static int
-zfcp_scsi_eh_device_reset_handler(struct scsi_cmnd *scpnt)
+static int zfcp_scsi_eh_device_reset_handler(struct scsi_cmnd *scpnt)
 {
 	int retval;
-	struct zfcp_unit *unit = (struct zfcp_unit *) scpnt->device->hostdata;
+	struct zfcp_unit *unit = scpnt->device->hostdata;
 
 	if (!unit) {
-		ZFCP_LOG_NORMAL("bug: Tried reset for nonexistent unit\n");
-		retval = SUCCESS;
-		goto out;
+		WARN_ON(1);
+		return SUCCESS;
 	}
-	ZFCP_LOG_NORMAL("resetting unit 0x%016Lx on port 0x%016Lx, adapter %s\n",
-			unit->fcp_lun, unit->port->wwpn,
-			zfcp_get_busid_by_adapter(unit->port->adapter));
+	retval = zfcp_task_management_function(unit,
+					       FCP_LOGICAL_UNIT_RESET,
+					       scpnt);
+	return retval ? FAILED : SUCCESS;
+}
 
-	/*
-	 * If we do not know whether the unit supports 'logical unit reset'
-	 * then try 'logical unit reset' and proceed with 'target reset'
-	 * if 'logical unit reset' fails.
-	 * If the unit is known not to support 'logical unit reset' then
-	 * skip 'logical unit reset' and try 'target reset' immediately.
-	 */
-	if (!atomic_test_mask(ZFCP_STATUS_UNIT_NOTSUPPUNITRESET,
-			      &unit->status)) {
-		retval = zfcp_task_management_function(unit,
-						       FCP_LOGICAL_UNIT_RESET,
-						       scpnt);
-		if (retval) {
-			ZFCP_LOG_DEBUG("unit reset failed (unit=%p)\n", unit);
-			if (retval == -ENOTSUPP)
-				atomic_set_mask
-				    (ZFCP_STATUS_UNIT_NOTSUPPUNITRESET,
-				     &unit->status);
-			/* fall through and try 'target reset' next */
-		} else {
-			ZFCP_LOG_DEBUG("unit reset succeeded (unit=%p)\n",
-				       unit);
-			/* avoid 'target reset' */
-			retval = SUCCESS;
-			goto out;
-		}
+static int zfcp_scsi_eh_target_reset_handler(struct scsi_cmnd *scpnt)
+{
+	int retval;
+	struct zfcp_unit *unit = scpnt->device->hostdata;
+
+	if (!unit) {
+		WARN_ON(1);
+		return SUCCESS;
 	}
 	retval = zfcp_task_management_function(unit, FCP_TARGET_RESET, scpnt);
-	if (retval) {
-		ZFCP_LOG_DEBUG("target reset failed (unit=%p)\n", unit);
-		retval = FAILED;
-	} else {
-		ZFCP_LOG_DEBUG("target reset succeeded (unit=%p)\n", unit);
-		retval = SUCCESS;
-	}
- out:
-	return retval;
+	return retval ? FAILED : SUCCESS;
 }
 
 static int
@@ -553,7 +528,7 @@ static int zfcp_scsi_eh_host_reset_handler(struct scsi_cmnd *scpnt)
 		unit->fcp_lun, unit->port->wwpn,
 		zfcp_get_busid_by_adapter(unit->port->adapter));
 
-	zfcp_erp_adapter_reopen(adapter, 0);
+	zfcp_erp_adapter_reopen(adapter, 0, 141, scpnt);
 	zfcp_erp_wait(adapter);
 
 	return SUCCESS;
diff --git a/drivers/s390/scsi/zfcp_sysfs_adapter.c b/drivers/s390/scsi/zfcp_sysfs_adapter.c
index 705c6d4428f3..ccbba4dd3a77 100644
--- a/drivers/s390/scsi/zfcp_sysfs_adapter.c
+++ b/drivers/s390/scsi/zfcp_sysfs_adapter.c
@@ -89,7 +89,7 @@ zfcp_sysfs_port_add_store(struct device *dev, struct device_attribute *attr, con
 
 	retval = 0;
 
-	zfcp_erp_port_reopen(port, 0);
+	zfcp_erp_port_reopen(port, 0, 91, NULL);
 	zfcp_erp_wait(port->adapter);
 	zfcp_port_put(port);
  out:
@@ -147,7 +147,7 @@ zfcp_sysfs_port_remove_store(struct device *dev, struct device_attribute *attr,
 		goto out;
 	}
 
-	zfcp_erp_port_shutdown(port, 0);
+	zfcp_erp_port_shutdown(port, 0, 92, NULL);
 	zfcp_erp_wait(adapter);
 	zfcp_port_put(port);
 	zfcp_port_dequeue(port);
@@ -191,9 +191,10 @@ zfcp_sysfs_adapter_failed_store(struct device *dev, struct device_attribute *att
 		goto out;
 	}
 
-	zfcp_erp_modify_adapter_status(adapter, ZFCP_STATUS_COMMON_RUNNING,
-				       ZFCP_SET);
-	zfcp_erp_adapter_reopen(adapter, ZFCP_STATUS_COMMON_ERP_FAILED);
+	zfcp_erp_modify_adapter_status(adapter, 44, NULL,
+				       ZFCP_STATUS_COMMON_RUNNING, ZFCP_SET);
+	zfcp_erp_adapter_reopen(adapter, ZFCP_STATUS_COMMON_ERP_FAILED, 93,
+				NULL);
 	zfcp_erp_wait(adapter);
  out:
 	up(&zfcp_data.config_sema);
diff --git a/drivers/s390/scsi/zfcp_sysfs_port.c b/drivers/s390/scsi/zfcp_sysfs_port.c
index 1320c0591431..703c1b5cb602 100644
--- a/drivers/s390/scsi/zfcp_sysfs_port.c
+++ b/drivers/s390/scsi/zfcp_sysfs_port.c
@@ -94,7 +94,7 @@ zfcp_sysfs_unit_add_store(struct device *dev, struct device_attribute *attr, con
 
 	retval = 0;
 
-	zfcp_erp_unit_reopen(unit, 0);
+	zfcp_erp_unit_reopen(unit, 0, 94, NULL);
 	zfcp_erp_wait(unit->port->adapter);
 	zfcp_unit_put(unit);
  out:
@@ -150,7 +150,7 @@ zfcp_sysfs_unit_remove_store(struct device *dev, struct device_attribute *attr,
 		goto out;
 	}
 
-	zfcp_erp_unit_shutdown(unit, 0);
+	zfcp_erp_unit_shutdown(unit, 0, 95, NULL);
 	zfcp_erp_wait(unit->port->adapter);
 	zfcp_unit_put(unit);
 	zfcp_unit_dequeue(unit);
@@ -193,8 +193,9 @@ zfcp_sysfs_port_failed_store(struct device *dev, struct device_attribute *attr,
 		goto out;
 	}
 
-	zfcp_erp_modify_port_status(port, ZFCP_STATUS_COMMON_RUNNING, ZFCP_SET);
-	zfcp_erp_port_reopen(port, ZFCP_STATUS_COMMON_ERP_FAILED);
+	zfcp_erp_modify_port_status(port, 45, NULL,
+				    ZFCP_STATUS_COMMON_RUNNING, ZFCP_SET);
+	zfcp_erp_port_reopen(port, ZFCP_STATUS_COMMON_ERP_FAILED, 96, NULL);
 	zfcp_erp_wait(port->adapter);
  out:
 	up(&zfcp_data.config_sema);
diff --git a/drivers/s390/scsi/zfcp_sysfs_unit.c b/drivers/s390/scsi/zfcp_sysfs_unit.c
index 63f75ee95c33..80fb2c2cf48a 100644
--- a/drivers/s390/scsi/zfcp_sysfs_unit.c
+++ b/drivers/s390/scsi/zfcp_sysfs_unit.c
@@ -94,8 +94,9 @@ zfcp_sysfs_unit_failed_store(struct device *dev, struct device_attribute *attr,
 		goto out;
 	}
 
-	zfcp_erp_modify_unit_status(unit, ZFCP_STATUS_COMMON_RUNNING, ZFCP_SET);
-	zfcp_erp_unit_reopen(unit, ZFCP_STATUS_COMMON_ERP_FAILED);
+	zfcp_erp_modify_unit_status(unit, 46, NULL,
+				    ZFCP_STATUS_COMMON_RUNNING, ZFCP_SET);
+	zfcp_erp_unit_reopen(unit, ZFCP_STATUS_COMMON_ERP_FAILED, 97, NULL);
 	zfcp_erp_wait(unit->port->adapter);
  out:
 	up(&zfcp_data.config_sema);
diff --git a/drivers/scsi/3w-9xxx.c b/drivers/scsi/3w-9xxx.c
index b4912d1cee2a..51c3ebf1c7d1 100644
--- a/drivers/scsi/3w-9xxx.c
+++ b/drivers/scsi/3w-9xxx.c
@@ -1838,12 +1838,11 @@ static int twa_scsiop_execute_scsi(TW_Device_Extension *tw_dev, int request_id,
 		if (scsi_sg_count(srb)) {
 			if ((scsi_sg_count(srb) == 1) &&
 			    (scsi_bufflen(srb) < TW_MIN_SGL_LENGTH)) {
-				if (srb->sc_data_direction == DMA_TO_DEVICE || srb->sc_data_direction == DMA_BIDIRECTIONAL) {
-					struct scatterlist *sg = scsi_sglist(srb);
-					char *buf = kmap_atomic(sg_page(sg), KM_IRQ0) + sg->offset;
-					memcpy(tw_dev->generic_buffer_virt[request_id], buf, sg->length);
-					kunmap_atomic(buf - sg->offset, KM_IRQ0);
-				}
+				if (srb->sc_data_direction == DMA_TO_DEVICE ||
+				    srb->sc_data_direction == DMA_BIDIRECTIONAL)
+					scsi_sg_copy_to_buffer(srb,
+							       tw_dev->generic_buffer_virt[request_id],
+							       TW_SECTOR_SIZE);
 				command_packet->sg_list[0].address = TW_CPU_TO_SGL(tw_dev->generic_buffer_phys[request_id]);
 				command_packet->sg_list[0].length = cpu_to_le32(TW_MIN_SGL_LENGTH);
 			} else {
@@ -1915,13 +1914,11 @@ static void twa_scsiop_execute_scsi_complete(TW_Device_Extension *tw_dev, int re
 	    (cmd->sc_data_direction == DMA_FROM_DEVICE ||
 	     cmd->sc_data_direction == DMA_BIDIRECTIONAL)) {
 		if (scsi_sg_count(cmd) == 1) {
-			struct scatterlist *sg = scsi_sglist(tw_dev->srb[request_id]);
-			char *buf;
-			unsigned long flags = 0;
+			unsigned long flags;
+			void *buf = tw_dev->generic_buffer_virt[request_id];
+
 			local_irq_save(flags);
-			buf = kmap_atomic(sg_page(sg), KM_IRQ0) + sg->offset;
-			memcpy(buf, tw_dev->generic_buffer_virt[request_id], sg->length);
-			kunmap_atomic(buf - sg->offset, KM_IRQ0);
+			scsi_sg_copy_from_buffer(cmd, buf, TW_SECTOR_SIZE);
 			local_irq_restore(flags);
 		}
 	}
@@ -2028,8 +2025,6 @@ static int __devinit twa_probe(struct pci_dev *pdev, const struct pci_device_id
 	}
 	tw_dev = (TW_Device_Extension *)host->hostdata;
 
-	memset(tw_dev, 0, sizeof(TW_Device_Extension));
-
 	/* Save values to device extension */
 	tw_dev->host = host;
 	tw_dev->tw_pci_dev = pdev;
diff --git a/drivers/scsi/3w-xxxx.c b/drivers/scsi/3w-xxxx.c
index d09532162217..adb98a297210 100644
--- a/drivers/scsi/3w-xxxx.c
+++ b/drivers/scsi/3w-xxxx.c
@@ -1463,18 +1463,10 @@ static void tw_transfer_internal(TW_Device_Extension *tw_dev, int request_id,
 				 void *data, unsigned int len)
 {
 	struct scsi_cmnd *cmd = tw_dev->srb[request_id];
-	void *buf;
-	unsigned int transfer_len;
-	unsigned long flags = 0;
-	struct scatterlist *sg = scsi_sglist(cmd);
+	unsigned long flags;
 
 	local_irq_save(flags);
-	buf = kmap_atomic(sg_page(sg), KM_IRQ0) + sg->offset;
-	transfer_len = min(sg->length, len);
-
-	memcpy(buf, data, transfer_len);
-
-	kunmap_atomic(buf - sg->offset, KM_IRQ0);
+	scsi_sg_copy_from_buffer(cmd, data, len);
 	local_irq_restore(flags);
 }
 
@@ -2294,8 +2286,6 @@ static int __devinit tw_probe(struct pci_dev *pdev, const struct pci_device_id *
 	}
 	tw_dev = (TW_Device_Extension *)host->hostdata;
 
-	memset(tw_dev, 0, sizeof(TW_Device_Extension));
-
 	/* Save values to device extension */
 	tw_dev->host = host;
 	tw_dev->tw_pci_dev = pdev;
diff --git a/drivers/scsi/BusLogic.c b/drivers/scsi/BusLogic.c
index 4d3ebb1af490..2d689af24664 100644
--- a/drivers/scsi/BusLogic.c
+++ b/drivers/scsi/BusLogic.c
@@ -896,7 +896,7 @@ static int __init BusLogic_InitializeFlashPointProbeInfo(struct BusLogic_HostAda
 		IRQ_Channel = PCI_Device->irq;
 		IO_Address = BaseAddress0 = pci_resource_start(PCI_Device, 0);
 		PCI_Address = BaseAddress1 = pci_resource_start(PCI_Device, 1);
-#ifndef CONFIG_SCSI_OMIT_FLASHPOINT
+#ifdef CONFIG_SCSI_FLASHPOINT
 		if (pci_resource_flags(PCI_Device, 0) & IORESOURCE_MEM) {
 			BusLogic_Error("BusLogic: Base Address0 0x%X not I/O for " "FlashPoint Host Adapter\n", NULL, BaseAddress0);
 			BusLogic_Error("at PCI Bus %d Device %d I/O Address 0x%X\n", NULL, Bus, Device, IO_Address);
@@ -1006,6 +1006,9 @@ static void __init BusLogic_InitializeProbeInfoList(struct BusLogic_HostAdapter
 }
 
 
+#else
+#define BusLogic_InitializeProbeInfoList(adapter) \
+		BusLogic_InitializeProbeInfoListISA(adapter)
 #endif				/* CONFIG_PCI */
 
 
diff --git a/drivers/scsi/BusLogic.h b/drivers/scsi/BusLogic.h
index bfbfb5c3a8f6..73f237a1ed94 100644
--- a/drivers/scsi/BusLogic.h
+++ b/drivers/scsi/BusLogic.h
@@ -34,23 +34,6 @@
 #endif
 
 /*
-  FlashPoint support is only available for the Intel x86 Architecture with
-  CONFIG_PCI set.
-*/
-
-#ifndef __i386__
-#undef CONFIG_SCSI_OMIT_FLASHPOINT
-#define CONFIG_SCSI_OMIT_FLASHPOINT
-#endif
-
-#ifndef CONFIG_PCI
-#undef CONFIG_SCSI_OMIT_FLASHPOINT
-#define CONFIG_SCSI_OMIT_FLASHPOINT
-#define BusLogic_InitializeProbeInfoListISA BusLogic_InitializeProbeInfoList
-#endif
-
-
-/*
   Define the maximum number of BusLogic Host Adapters supported by this driver.
 */
 
@@ -178,7 +161,7 @@ static int BusLogic_HostAdapterAddressCount[3] = { 0, BusLogic_MultiMasterAddres
   Define macros for testing the Host Adapter Type.
 */
 
-#ifndef CONFIG_SCSI_OMIT_FLASHPOINT
+#ifdef CONFIG_SCSI_FLASHPOINT
 
 #define BusLogic_MultiMasterHostAdapterP(HostAdapter) \
   (HostAdapter->HostAdapterType == BusLogic_MultiMaster)
@@ -871,7 +854,7 @@ struct BusLogic_CCB {
 	void (*CallbackFunction) (struct BusLogic_CCB *);	/* Bytes 40-43 */
 	u32 BaseAddress;	/* Bytes 44-47 */
 	enum BusLogic_CompletionCode CompletionCode;	/* Byte 48 */
-#ifndef CONFIG_SCSI_OMIT_FLASHPOINT
+#ifdef CONFIG_SCSI_FLASHPOINT
 	unsigned char:8;	/* Byte 49 */
 	unsigned short OS_Flags;	/* Bytes 50-51 */
 	unsigned char Private[48];	/* Bytes 52-99 */
diff --git a/drivers/scsi/FlashPoint.c b/drivers/scsi/FlashPoint.c
index 1c9078191d9e..b374e457e5e2 100644
--- a/drivers/scsi/FlashPoint.c
+++ b/drivers/scsi/FlashPoint.c
@@ -16,7 +16,7 @@
 */
 
 
-#ifndef CONFIG_SCSI_OMIT_FLASHPOINT
+#ifdef CONFIG_SCSI_FLASHPOINT
 
 #define MAX_CARDS	8
 #undef BUSTYPE_PCI
@@ -7626,7 +7626,7 @@ FlashPoint__HandleInterrupt(FlashPoint_CardHandle_T CardHandle)
 #define FlashPoint_InterruptPending	    FlashPoint__InterruptPending
 #define FlashPoint_HandleInterrupt	    FlashPoint__HandleInterrupt
 
-#else				/* CONFIG_SCSI_OMIT_FLASHPOINT */
+#else				/* !CONFIG_SCSI_FLASHPOINT */
 
 /*
   Define prototypes for the FlashPoint SCCB Manager Functions.
@@ -7641,4 +7641,4 @@ extern bool FlashPoint_InterruptPending(FlashPoint_CardHandle_T);
 extern int FlashPoint_HandleInterrupt(FlashPoint_CardHandle_T);
 extern void FlashPoint_ReleaseHostAdapter(FlashPoint_CardHandle_T);
 
-#endif				/* CONFIG_SCSI_OMIT_FLASHPOINT */
+#endif				/* CONFIG_SCSI_FLASHPOINT */
diff --git a/drivers/scsi/Kconfig b/drivers/scsi/Kconfig
index b9d374082b65..7f78e3ea517d 100644
--- a/drivers/scsi/Kconfig
+++ b/drivers/scsi/Kconfig
@@ -588,18 +588,20 @@ config SCSI_BUSLOGIC
 	  <http://www.tldp.org/docs.html#howto>, and the files
 	  <file:Documentation/scsi/BusLogic.txt> and
 	  <file:Documentation/scsi/FlashPoint.txt> for more information.
+	  Note that support for FlashPoint is only available for 32-bit
+	  x86 configurations.
 
 	  To compile this driver as a module, choose M here: the
 	  module will be called BusLogic.
 
-config SCSI_OMIT_FLASHPOINT
-	bool "Omit FlashPoint support"
-	depends on SCSI_BUSLOGIC
+config SCSI_FLASHPOINT
+	bool "FlashPoint support"
+	depends on SCSI_BUSLOGIC && PCI && X86_32
 	help
-	  This option allows you to omit the FlashPoint support from the
+	  This option allows you to add FlashPoint support to the
 	  BusLogic SCSI driver. The FlashPoint SCCB Manager code is
-	  substantial, so users of MultiMaster Host Adapters may wish to omit
-	  it.
+	  substantial, so users of MultiMaster Host Adapters may not
+	  wish to include it.
 
 config SCSI_DMX3191D
 	tristate "DMX3191D SCSI support"
diff --git a/drivers/scsi/a2091.c b/drivers/scsi/a2091.c
index 5ac3a3e8dfaf..07d572feceed 100644
--- a/drivers/scsi/a2091.c
+++ b/drivers/scsi/a2091.c
@@ -179,6 +179,9 @@ int __init a2091_detect(struct scsi_host_template *tpnt)
 	DMA(instance)->DAWR = DAWR_A2091;
 	regs.SASR = &(DMA(instance)->SASR);
 	regs.SCMD = &(DMA(instance)->SCMD);
+	HDATA(instance)->no_sync = 0xff;
+	HDATA(instance)->fast = 0;
+	HDATA(instance)->dma_mode = CTRL_DMA;
 	wd33c93_init(instance, regs, dma_setup, dma_stop, WD33C93_FS_8_10);
 	request_irq(IRQ_AMIGA_PORTS, a2091_intr, IRQF_SHARED, "A2091 SCSI",
 		    instance);
diff --git a/drivers/scsi/a3000.c b/drivers/scsi/a3000.c
index 3aeec963940b..8b449d8acacd 100644
--- a/drivers/scsi/a3000.c
+++ b/drivers/scsi/a3000.c
@@ -178,6 +178,9 @@ int __init a3000_detect(struct scsi_host_template *tpnt)
     DMA(a3000_host)->DAWR = DAWR_A3000;
     regs.SASR = &(DMA(a3000_host)->SASR);
     regs.SCMD = &(DMA(a3000_host)->SCMD);
+    HDATA(a3000_host)->no_sync = 0xff;
+    HDATA(a3000_host)->fast = 0;
+    HDATA(a3000_host)->dma_mode = CTRL_DMA;
     wd33c93_init(a3000_host, regs, dma_setup, dma_stop, WD33C93_FS_12_15);
     if (request_irq(IRQ_AMIGA_PORTS, a3000_intr, IRQF_SHARED, "A3000 SCSI",
 		    a3000_intr))
diff --git a/drivers/scsi/aacraid/aachba.c b/drivers/scsi/aacraid/aachba.c
index c05092fd3a9d..369fcf78f396 100644
--- a/drivers/scsi/aacraid/aachba.c
+++ b/drivers/scsi/aacraid/aachba.c
@@ -205,7 +205,7 @@ MODULE_PARM_DESC(check_interval, "Interval in seconds between adapter health"
 
 int aac_check_reset = 1;
 module_param_named(check_reset, aac_check_reset, int, S_IRUGO|S_IWUSR);
-MODULE_PARM_DESC(aac_check_reset, "If adapter fails health check, reset the"
+MODULE_PARM_DESC(check_reset, "If adapter fails health check, reset the"
 	" adapter. a value of -1 forces the reset to adapters programmed to"
 	" ignore it.");
 
@@ -379,24 +379,6 @@ int aac_get_containers(struct aac_dev *dev)
 	return status;
 }
 
-static void aac_internal_transfer(struct scsi_cmnd *scsicmd, void *data, unsigned int offset, unsigned int len)
-{
-	void *buf;
-	int transfer_len;
-	struct scatterlist *sg = scsi_sglist(scsicmd);
-
-	buf = kmap_atomic(sg_page(sg), KM_IRQ0) + sg->offset;
-	transfer_len = min(sg->length, len + offset);
-
-	transfer_len -= offset;
-	if (buf && transfer_len > 0)
-		memcpy(buf + offset, data, transfer_len);
-
-	flush_kernel_dcache_page(kmap_atomic_to_page(buf - sg->offset));
-	kunmap_atomic(buf - sg->offset, KM_IRQ0);
-
-}
-
 static void get_container_name_callback(void *context, struct fib * fibptr)
 {
 	struct aac_get_name_resp * get_name_reply;
@@ -419,14 +401,17 @@ static void get_container_name_callback(void *context, struct fib * fibptr)
 		while (*sp == ' ')
 			++sp;
 		if (*sp) {
+			struct inquiry_data inq;
 			char d[sizeof(((struct inquiry_data *)NULL)->inqd_pid)];
 			int count = sizeof(d);
 			char *dp = d;
 			do {
 				*dp++ = (*sp) ? *sp++ : ' ';
 			} while (--count > 0);
-			aac_internal_transfer(scsicmd, d,
-			  offsetof(struct inquiry_data, inqd_pid), sizeof(d));
+
+			scsi_sg_copy_to_buffer(scsicmd, &inq, sizeof(inq));
+			memcpy(inq.inqd_pid, d, sizeof(d));
+			scsi_sg_copy_from_buffer(scsicmd, &inq, sizeof(inq));
 		}
 	}
 
@@ -811,7 +796,7 @@ static void get_container_serial_callback(void *context, struct fib * fibptr)
 		sp[2] = 0;
 		sp[3] = snprintf(sp+4, sizeof(sp)-4, "%08X",
 		  le32_to_cpu(get_serial_reply->uid));
-		aac_internal_transfer(scsicmd, sp, 0, sizeof(sp));
+		scsi_sg_copy_from_buffer(scsicmd, sp, sizeof(sp));
 	}
 
 	scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_GOOD;
@@ -1986,8 +1971,8 @@ int aac_scsi_cmd(struct scsi_cmnd * scsicmd)
 				arr[4] = 0x0;
 				arr[5] = 0x80;
 				arr[1] = scsicmd->cmnd[2];
-				aac_internal_transfer(scsicmd, &inq_data, 0,
-				  sizeof(inq_data));
+				scsi_sg_copy_from_buffer(scsicmd, &inq_data,
+							 sizeof(inq_data));
 				scsicmd->result = DID_OK << 16 |
 				  COMMAND_COMPLETE << 8 | SAM_STAT_GOOD;
 			} else if (scsicmd->cmnd[2] == 0x80) {
@@ -1995,8 +1980,8 @@ int aac_scsi_cmd(struct scsi_cmnd * scsicmd)
 				arr[3] = setinqserial(dev, &arr[4],
 				  scmd_id(scsicmd));
 				arr[1] = scsicmd->cmnd[2];
-				aac_internal_transfer(scsicmd, &inq_data, 0,
-				  sizeof(inq_data));
+				scsi_sg_copy_from_buffer(scsicmd, &inq_data,
+							 sizeof(inq_data));
 				return aac_get_container_serial(scsicmd);
 			} else {
 				/* vpd page not implemented */
@@ -2027,7 +2012,8 @@ int aac_scsi_cmd(struct scsi_cmnd * scsicmd)
 		if (cid == host->this_id) {
 			setinqstr(dev, (void *) (inq_data.inqd_vid), ARRAY_SIZE(container_types));
 			inq_data.inqd_pdt = INQD_PDT_PROC;	/* Processor device */
-			aac_internal_transfer(scsicmd, &inq_data, 0, sizeof(inq_data));
+			scsi_sg_copy_from_buffer(scsicmd, &inq_data,
+						 sizeof(inq_data));
 			scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_GOOD;
 			scsicmd->scsi_done(scsicmd);
 			return 0;
@@ -2036,7 +2022,7 @@ int aac_scsi_cmd(struct scsi_cmnd * scsicmd)
 			return -1;
 		setinqstr(dev, (void *) (inq_data.inqd_vid), fsa_dev_ptr[cid].type);
 		inq_data.inqd_pdt = INQD_PDT_DA;	/* Direct/random access device */
-		aac_internal_transfer(scsicmd, &inq_data, 0, sizeof(inq_data));
+		scsi_sg_copy_from_buffer(scsicmd, &inq_data, sizeof(inq_data));
 		return aac_get_container_name(scsicmd);
 	}
 	case SERVICE_ACTION_IN:
@@ -2047,6 +2033,7 @@ int aac_scsi_cmd(struct scsi_cmnd * scsicmd)
 	{
 		u64 capacity;
 		char cp[13];
+		unsigned int alloc_len;
 
 		dprintk((KERN_DEBUG "READ CAPACITY_16 command.\n"));
 		capacity = fsa_dev_ptr[cid].size - 1;
@@ -2063,18 +2050,16 @@ int aac_scsi_cmd(struct scsi_cmnd * scsicmd)
 		cp[10] = 2;
 		cp[11] = 0;
 		cp[12] = 0;
-		aac_internal_transfer(scsicmd, cp, 0,
-		  min_t(size_t, scsicmd->cmnd[13], sizeof(cp)));
-		if (sizeof(cp) < scsicmd->cmnd[13]) {
-			unsigned int len, offset = sizeof(cp);
 
-			memset(cp, 0, offset);
-			do {
-				len = min_t(size_t, scsicmd->cmnd[13] - offset,
-						sizeof(cp));
-				aac_internal_transfer(scsicmd, cp, offset, len);
-			} while ((offset += len) < scsicmd->cmnd[13]);
-		}
+		alloc_len = ((scsicmd->cmnd[10] << 24)
+			     + (scsicmd->cmnd[11] << 16)
+			     + (scsicmd->cmnd[12] << 8) + scsicmd->cmnd[13]);
+
+		alloc_len = min_t(size_t, alloc_len, sizeof(cp));
+		scsi_sg_copy_from_buffer(scsicmd, cp, alloc_len);
+		if (alloc_len < scsi_bufflen(scsicmd))
+			scsi_set_resid(scsicmd,
+				       scsi_bufflen(scsicmd) - alloc_len);
 
 		/* Do not cache partition table for arrays */
 		scsicmd->device->removable = 1;
@@ -2104,7 +2089,7 @@ int aac_scsi_cmd(struct scsi_cmnd * scsicmd)
 		cp[5] = 0;
 		cp[6] = 2;
 		cp[7] = 0;
-		aac_internal_transfer(scsicmd, cp, 0, sizeof(cp));
+		scsi_sg_copy_from_buffer(scsicmd, cp, sizeof(cp));
 		/* Do not cache partition table for arrays */
 		scsicmd->device->removable = 1;
 
@@ -2139,7 +2124,7 @@ int aac_scsi_cmd(struct scsi_cmnd * scsicmd)
 			if (mode_buf_length > scsicmd->cmnd[4])
 				mode_buf_length = scsicmd->cmnd[4];
 		}
-		aac_internal_transfer(scsicmd, mode_buf, 0, mode_buf_length);
+		scsi_sg_copy_from_buffer(scsicmd, mode_buf, mode_buf_length);
 		scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_GOOD;
 		scsicmd->scsi_done(scsicmd);
 
@@ -2174,7 +2159,7 @@ int aac_scsi_cmd(struct scsi_cmnd * scsicmd)
 			if (mode_buf_length > scsicmd->cmnd[8])
 				mode_buf_length = scsicmd->cmnd[8];
 		}
-		aac_internal_transfer(scsicmd, mode_buf, 0, mode_buf_length);
+		scsi_sg_copy_from_buffer(scsicmd, mode_buf, mode_buf_length);
 
 		scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_GOOD;
 		scsicmd->scsi_done(scsicmd);
diff --git a/drivers/scsi/aacraid/commsup.c b/drivers/scsi/aacraid/commsup.c
index 47434499e82b..23a8e9f8dcb4 100644
--- a/drivers/scsi/aacraid/commsup.c
+++ b/drivers/scsi/aacraid/commsup.c
@@ -515,10 +515,12 @@ int aac_fib_send(u16 command, struct fib *fibptr, unsigned long size,
 				}
 				udelay(5);
 			}
-		} else
-			(void)down_interruptible(&fibptr->event_wait);
+		} else if (down_interruptible(&fibptr->event_wait) == 0) {
+			fibptr->done = 2;
+			up(&fibptr->event_wait);
+		}
 		spin_lock_irqsave(&fibptr->event_lock, flags);
-		if (fibptr->done == 0) {
+		if ((fibptr->done == 0) || (fibptr->done == 2)) {
 			fibptr->done = 2; /* Tell interrupt we aborted */
 			spin_unlock_irqrestore(&fibptr->event_lock, flags);
 			return -EINTR;
@@ -594,7 +596,7 @@ void aac_consumer_free(struct aac_dev * dev, struct aac_queue *q, u32 qid)
 	if (le32_to_cpu(*q->headers.consumer) >= q->entries)
 		*q->headers.consumer = cpu_to_le32(1);
 	else
-		*q->headers.consumer = cpu_to_le32(le32_to_cpu(*q->headers.consumer)+1);
+		le32_add_cpu(q->headers.consumer, 1);
 
 	if (wasfull) {
 		switch (qid) {
diff --git a/drivers/scsi/aic7xxx/aic79xx_osm.c b/drivers/scsi/aic7xxx/aic79xx_osm.c
index 72fccd9f40df..0081aa357c8b 100644
--- a/drivers/scsi/aic7xxx/aic79xx_osm.c
+++ b/drivers/scsi/aic7xxx/aic79xx_osm.c
@@ -1413,6 +1413,10 @@ ahd_linux_run_command(struct ahd_softc *ahd, struct ahd_linux_device *dev,
 	unsigned long flags;
 	int nseg;
 
+	nseg = scsi_dma_map(cmd);
+	if (nseg < 0)
+		return SCSI_MLQUEUE_HOST_BUSY;
+
 	ahd_lock(ahd, &flags);
 
 	/*
@@ -1430,6 +1434,7 @@ ahd_linux_run_command(struct ahd_softc *ahd, struct ahd_linux_device *dev,
 	if ((scb = ahd_get_scb(ahd, col_idx)) == NULL) {
 		ahd->flags |= AHD_RESOURCE_SHORTAGE;
 		ahd_unlock(ahd, &flags);
+		scsi_dma_unmap(cmd);
 		return SCSI_MLQUEUE_HOST_BUSY;
 	}
 
@@ -1485,8 +1490,6 @@ ahd_linux_run_command(struct ahd_softc *ahd, struct ahd_linux_device *dev,
 	ahd_set_sense_residual(scb, 0);
 	scb->sg_count = 0;
 
-	nseg = scsi_dma_map(cmd);
-	BUG_ON(nseg < 0);
 	if (nseg > 0) {
 		void *sg = scb->sg_list;
 		struct scatterlist *cur_seg;
diff --git a/drivers/scsi/aic7xxx/aic7xxx_osm.c b/drivers/scsi/aic7xxx/aic7xxx_osm.c
index 282aff6f852e..42ad48e09f02 100644
--- a/drivers/scsi/aic7xxx/aic7xxx_osm.c
+++ b/drivers/scsi/aic7xxx/aic7xxx_osm.c
@@ -1398,12 +1398,18 @@ ahc_linux_run_command(struct ahc_softc *ahc, struct ahc_linux_device *dev,
 			return SCSI_MLQUEUE_DEVICE_BUSY;
 	}
 
+	nseg = scsi_dma_map(cmd);
+	if (nseg < 0)
+		return SCSI_MLQUEUE_HOST_BUSY;
+
 	/*
 	 * Get an scb to use.
 	 */
 	scb = ahc_get_scb(ahc);
-	if (!scb)
+	if (!scb) {
+		scsi_dma_unmap(cmd);
 		return SCSI_MLQUEUE_HOST_BUSY;
+	}
 
 	scb->io_ctx = cmd;
 	scb->platform_data->dev = dev;
@@ -1464,8 +1470,6 @@ ahc_linux_run_command(struct ahc_softc *ahc, struct ahc_linux_device *dev,
 	ahc_set_sense_residual(scb, 0);
 	scb->sg_count = 0;
 
-	nseg = scsi_dma_map(cmd);
-	BUG_ON(nseg < 0);
 	if (nseg > 0) {
 		struct	ahc_dma_seg *sg;
 		struct	scatterlist *cur_seg;
diff --git a/drivers/scsi/aic7xxx/aicasm/aicasm_gram.y b/drivers/scsi/aic7xxx/aicasm/aicasm_gram.y
index 6066998ed562..702e2dbd11fb 100644
--- a/drivers/scsi/aic7xxx/aicasm/aicasm_gram.y
+++ b/drivers/scsi/aic7xxx/aicasm/aicasm_gram.y
@@ -1837,7 +1837,7 @@ type_check(symbol_t *symbol, expression_t *expression, int opcode)
 	int and_op;
 
 	and_op = FALSE;
-	if (opcode == AIC_OP_AND || opcode == AIC_OP_JNZ || AIC_OP_JZ)
+	if (opcode == AIC_OP_AND || opcode == AIC_OP_JNZ || opcode == AIC_OP_JZ)
 		and_op = TRUE;
 
 	/*
diff --git a/drivers/scsi/aic94xx/aic94xx.h b/drivers/scsi/aic94xx/aic94xx.h
index eb8efdcefe48..2ef459e9cda1 100644
--- a/drivers/scsi/aic94xx/aic94xx.h
+++ b/drivers/scsi/aic94xx/aic94xx.h
@@ -58,7 +58,6 @@
 
 extern struct kmem_cache *asd_dma_token_cache;
 extern struct kmem_cache *asd_ascb_cache;
-extern char sas_addr_str[2*SAS_ADDR_SIZE + 1];
 
 static inline void asd_stringify_sas_addr(char *p, const u8 *sas_addr)
 {
@@ -68,21 +67,6 @@ static inline void asd_stringify_sas_addr(char *p, const u8 *sas_addr)
 	*p = '\0';
 }
 
-static inline void asd_destringify_sas_addr(u8 *sas_addr, const char *p)
-{
-	int i;
-	for (i = 0; i < SAS_ADDR_SIZE; i++) {
-		u8 h, l;
-		if (!*p)
-			break;
-		h = isdigit(*p) ? *p-'0' : *p-'A'+10;
-		p++;
-		l = isdigit(*p) ? *p-'0' : *p-'A'+10;
-		p++;
-		sas_addr[i] = (h<<4) | l;
-	}
-}
-
 struct asd_ha_struct;
 struct asd_ascb;
 
diff --git a/drivers/scsi/aic94xx/aic94xx_dev.c b/drivers/scsi/aic94xx/aic94xx_dev.c
index 72042cae7768..2e2ddec9c0b6 100644
--- a/drivers/scsi/aic94xx/aic94xx_dev.c
+++ b/drivers/scsi/aic94xx/aic94xx_dev.c
@@ -35,7 +35,7 @@
 #define SET_DDB(_ddb, _ha) set_bit(_ddb, (_ha)->hw_prof.ddb_bitmap)
 #define CLEAR_DDB(_ddb, _ha) clear_bit(_ddb, (_ha)->hw_prof.ddb_bitmap)
 
-static inline int asd_get_ddb(struct asd_ha_struct *asd_ha)
+static int asd_get_ddb(struct asd_ha_struct *asd_ha)
 {
 	int ddb, i;
 
@@ -71,7 +71,7 @@ out:
 #define NCQ_DATA_SCB_PTR offsetof(struct asd_ddb_stp_sata_target_port, ncq_data_scb_ptr)
 #define ITNL_TIMEOUT    offsetof(struct asd_ddb_ssp_smp_target_port, itnl_timeout)
 
-static inline void asd_free_ddb(struct asd_ha_struct *asd_ha, int ddb)
+static void asd_free_ddb(struct asd_ha_struct *asd_ha, int ddb)
 {
 	if (!ddb || ddb >= 0xFFFF)
 		return;
@@ -79,7 +79,7 @@ static inline void asd_free_ddb(struct asd_ha_struct *asd_ha, int ddb)
 	CLEAR_DDB(ddb, asd_ha);
 }
 
-static inline void asd_set_ddb_type(struct domain_device *dev)
+static void asd_set_ddb_type(struct domain_device *dev)
 {
 	struct asd_ha_struct *asd_ha = dev->port->ha->lldd_ha;
 	int ddb = (int) (unsigned long) dev->lldd_dev;
@@ -109,7 +109,7 @@ static int asd_init_sata_tag_ddb(struct domain_device *dev)
 	return 0;
 }
 
-static inline int asd_init_sata(struct domain_device *dev)
+static int asd_init_sata(struct domain_device *dev)
 {
 	struct asd_ha_struct *asd_ha = dev->port->ha->lldd_ha;
 	int ddb = (int) (unsigned long) dev->lldd_dev;
diff --git a/drivers/scsi/aic94xx/aic94xx_dump.c b/drivers/scsi/aic94xx/aic94xx_dump.c
index 3d8c4ff1f2ef..67eeba3bdb06 100644
--- a/drivers/scsi/aic94xx/aic94xx_dump.c
+++ b/drivers/scsi/aic94xx/aic94xx_dump.c
@@ -738,6 +738,8 @@ static void asd_dump_lseq_state(struct asd_ha_struct *asd_ha, int lseq)
 	PRINT_LMIP_dword(asd_ha, lseq, DEV_PRES_TIMER_TERM_TS);
 }
 
+#if 0
+
 /**
  * asd_dump_ddb_site -- dump a CSEQ DDB site
  * @asd_ha: pointer to host adapter structure
@@ -880,6 +882,8 @@ void asd_dump_scb_sites(struct asd_ha_struct *asd_ha)
 	}
 }
 
+#endif  /*  0  */
+
 /**
  * ads_dump_seq_state -- dump CSEQ and LSEQ states
  * @asd_ha: pointer to host adapter structure
@@ -922,7 +926,9 @@ void asd_dump_frame_rcvd(struct asd_phy *phy,
 	spin_unlock_irqrestore(&phy->sas_phy.frame_rcvd_lock, flags);
 }
 
-static inline void asd_dump_scb(struct asd_ascb *ascb, int ind)
+#if 0
+
+static void asd_dump_scb(struct asd_ascb *ascb, int ind)
 {
 	asd_printk("scb%d: vaddr: 0x%p, dma_handle: 0x%llx, next: 0x%llx, "
 		   "index:%d, opcode:0x%02x\n",
@@ -956,4 +962,6 @@ void asd_dump_scb_list(struct asd_ascb *ascb, int num)
 	}
 }
 
+#endif  /*  0  */
+
 #endif /* ASD_DEBUG */
diff --git a/drivers/scsi/aic94xx/aic94xx_dump.h b/drivers/scsi/aic94xx/aic94xx_dump.h
index 0c388e7da6bb..191a753d42a7 100644
--- a/drivers/scsi/aic94xx/aic94xx_dump.h
+++ b/drivers/scsi/aic94xx/aic94xx_dump.h
@@ -29,24 +29,15 @@
 
 #ifdef ASD_DEBUG
 
-void asd_dump_ddb_0(struct asd_ha_struct *asd_ha);
-void asd_dump_target_ddb(struct asd_ha_struct *asd_ha, u16 site_no);
-void asd_dump_scb_sites(struct asd_ha_struct *asd_ha);
 void asd_dump_seq_state(struct asd_ha_struct *asd_ha, u8 lseq_mask);
 void asd_dump_frame_rcvd(struct asd_phy *phy,
 			 struct done_list_struct *dl);
-void asd_dump_scb_list(struct asd_ascb *ascb, int num);
 #else /* ASD_DEBUG */
 
-static inline void asd_dump_ddb_0(struct asd_ha_struct *asd_ha) { }
-static inline void asd_dump_target_ddb(struct asd_ha_struct *asd_ha,
-				     u16 site_no) { }
-static inline void asd_dump_scb_sites(struct asd_ha_struct *asd_ha) { }
 static inline void asd_dump_seq_state(struct asd_ha_struct *asd_ha,
 				      u8 lseq_mask) { }
 static inline void asd_dump_frame_rcvd(struct asd_phy *phy,
 				       struct done_list_struct *dl) { }
-static inline void asd_dump_scb_list(struct asd_ascb *ascb, int num) { }
 #endif /* ASD_DEBUG */
 
 #endif /* _AIC94XX_DUMP_H_ */
diff --git a/drivers/scsi/aic94xx/aic94xx_hwi.c b/drivers/scsi/aic94xx/aic94xx_hwi.c
index 098b5f39cd31..83a78222896d 100644
--- a/drivers/scsi/aic94xx/aic94xx_hwi.c
+++ b/drivers/scsi/aic94xx/aic94xx_hwi.c
@@ -27,6 +27,7 @@
 #include <linux/pci.h>
 #include <linux/delay.h>
 #include <linux/module.h>
+#include <linux/firmware.h>
 
 #include "aic94xx.h"
 #include "aic94xx_reg.h"
@@ -38,16 +39,14 @@ u32 MBAR0_SWB_SIZE;
 
 /* ---------- Initialization ---------- */
 
-static void asd_get_user_sas_addr(struct asd_ha_struct *asd_ha)
+static int asd_get_user_sas_addr(struct asd_ha_struct *asd_ha)
 {
-	extern char sas_addr_str[];
-	/* If the user has specified a WWN it overrides other settings
-	 */
-	if (sas_addr_str[0] != '\0')
-		asd_destringify_sas_addr(asd_ha->hw_prof.sas_addr,
-					 sas_addr_str);
-	else if (asd_ha->hw_prof.sas_addr[0] != 0)
-		asd_stringify_sas_addr(sas_addr_str, asd_ha->hw_prof.sas_addr);
+	/* adapter came with a sas address */
+	if (asd_ha->hw_prof.sas_addr[0])
+		return 0;
+
+	return sas_request_addr(asd_ha->sas_ha.core.shost,
+				asd_ha->hw_prof.sas_addr);
 }
 
 static void asd_propagate_sas_addr(struct asd_ha_struct *asd_ha)
@@ -251,7 +250,7 @@ static int asd_init_scbs(struct asd_ha_struct *asd_ha)
 	return 0;
 }
 
-static inline void asd_get_max_scb_ddb(struct asd_ha_struct *asd_ha)
+static void asd_get_max_scb_ddb(struct asd_ha_struct *asd_ha)
 {
 	asd_ha->hw_prof.max_scbs = asd_get_cmdctx_size(asd_ha)/ASD_SCB_SIZE;
 	asd_ha->hw_prof.max_ddbs = asd_get_devctx_size(asd_ha)/ASD_DDB_SIZE;
@@ -657,8 +656,7 @@ int asd_init_hw(struct asd_ha_struct *asd_ha)
 
 	asd_init_ctxmem(asd_ha);
 
-	asd_get_user_sas_addr(asd_ha);
-	if (!asd_ha->hw_prof.sas_addr[0]) {
+	if (asd_get_user_sas_addr(asd_ha)) {
 		asd_printk("No SAS Address provided for %s\n",
 			   pci_name(asd_ha->pcidev));
 		err = -ENODEV;
@@ -773,7 +771,7 @@ static void asd_dl_tasklet_handler(unsigned long data)
  * asd_process_donelist_isr -- schedule processing of done list entries
  * @asd_ha: pointer to host adapter structure
  */
-static inline void asd_process_donelist_isr(struct asd_ha_struct *asd_ha)
+static void asd_process_donelist_isr(struct asd_ha_struct *asd_ha)
 {
 	tasklet_schedule(&asd_ha->seq.dl_tasklet);
 }
@@ -782,7 +780,7 @@ static inline void asd_process_donelist_isr(struct asd_ha_struct *asd_ha)
  * asd_com_sas_isr -- process device communication interrupt (COMINT)
  * @asd_ha: pointer to host adapter structure
  */
-static inline void asd_com_sas_isr(struct asd_ha_struct *asd_ha)
+static void asd_com_sas_isr(struct asd_ha_struct *asd_ha)
 {
 	u32 comstat = asd_read_reg_dword(asd_ha, COMSTAT);
 
@@ -821,7 +819,7 @@ static inline void asd_com_sas_isr(struct asd_ha_struct *asd_ha)
 	asd_chip_reset(asd_ha);
 }
 
-static inline void asd_arp2_err(struct asd_ha_struct *asd_ha, u32 dchstatus)
+static void asd_arp2_err(struct asd_ha_struct *asd_ha, u32 dchstatus)
 {
 	static const char *halt_code[256] = {
 		"UNEXPECTED_INTERRUPT0",
@@ -908,7 +906,7 @@ static inline void asd_arp2_err(struct asd_ha_struct *asd_ha, u32 dchstatus)
  * asd_dch_sas_isr -- process device channel interrupt (DEVINT)
  * @asd_ha: pointer to host adapter structure
  */
-static inline void asd_dch_sas_isr(struct asd_ha_struct *asd_ha)
+static void asd_dch_sas_isr(struct asd_ha_struct *asd_ha)
 {
 	u32 dchstatus = asd_read_reg_dword(asd_ha, DCHSTATUS);
 
@@ -923,7 +921,7 @@ static inline void asd_dch_sas_isr(struct asd_ha_struct *asd_ha)
  * ads_rbi_exsi_isr -- process external system interface interrupt (INITERR)
  * @asd_ha: pointer to host adapter structure
  */
-static inline void asd_rbi_exsi_isr(struct asd_ha_struct *asd_ha)
+static void asd_rbi_exsi_isr(struct asd_ha_struct *asd_ha)
 {
 	u32 stat0r = asd_read_reg_dword(asd_ha, ASISTAT0R);
 
@@ -971,7 +969,7 @@ static inline void asd_rbi_exsi_isr(struct asd_ha_struct *asd_ha)
  *
  * Asserted on PCIX errors: target abort, etc.
  */
-static inline void asd_hst_pcix_isr(struct asd_ha_struct *asd_ha)
+static void asd_hst_pcix_isr(struct asd_ha_struct *asd_ha)
 {
 	u16 status;
 	u32 pcix_status;
@@ -1044,8 +1042,8 @@ irqreturn_t asd_hw_isr(int irq, void *dev_id)
 
 /* ---------- SCB handling ---------- */
 
-static inline struct asd_ascb *asd_ascb_alloc(struct asd_ha_struct *asd_ha,
-					      gfp_t gfp_flags)
+static struct asd_ascb *asd_ascb_alloc(struct asd_ha_struct *asd_ha,
+				       gfp_t gfp_flags)
 {
 	extern struct kmem_cache *asd_ascb_cache;
 	struct asd_seq_data *seq = &asd_ha->seq;
@@ -1144,8 +1142,8 @@ struct asd_ascb *asd_ascb_alloc_list(struct asd_ha_struct
  *
  * LOCKING: called with the pending list lock held.
  */
-static inline void asd_swap_head_scb(struct asd_ha_struct *asd_ha,
-				     struct asd_ascb *ascb)
+static void asd_swap_head_scb(struct asd_ha_struct *asd_ha,
+			      struct asd_ascb *ascb)
 {
 	struct asd_seq_data *seq = &asd_ha->seq;
 	struct asd_ascb *last = list_entry(ascb->list.prev,
@@ -1171,7 +1169,7 @@ static inline void asd_swap_head_scb(struct asd_ha_struct *asd_ha,
  * intended to be called from asd_post_ascb_list(), just prior to
  * posting the SCBs to the sequencer.
  */
-static inline void asd_start_scb_timers(struct list_head *list)
+static void asd_start_scb_timers(struct list_head *list)
 {
 	struct asd_ascb *ascb;
 	list_for_each_entry(ascb, list, list) {
diff --git a/drivers/scsi/aic94xx/aic94xx_hwi.h b/drivers/scsi/aic94xx/aic94xx_hwi.h
index abc757559c1a..8c1c28239e93 100644
--- a/drivers/scsi/aic94xx/aic94xx_hwi.h
+++ b/drivers/scsi/aic94xx/aic94xx_hwi.h
@@ -391,8 +391,6 @@ void asd_build_control_phy(struct asd_ascb *ascb, int phy_id, u8 subfunc);
 void asd_control_led(struct asd_ha_struct *asd_ha, int phy_id, int op);
 void asd_turn_led(struct asd_ha_struct *asd_ha, int phy_id, int op);
 int  asd_enable_phys(struct asd_ha_struct *asd_ha, const u8 phy_mask);
-void asd_build_initiate_link_adm_task(struct asd_ascb *ascb, int phy_id,
-				      u8 subfunc);
 
 void asd_ascb_timedout(unsigned long data);
 int  asd_chip_hardrst(struct asd_ha_struct *asd_ha);
diff --git a/drivers/scsi/aic94xx/aic94xx_init.c b/drivers/scsi/aic94xx/aic94xx_init.c
index 88d1e731b65e..90f5e0a6f2e3 100644
--- a/drivers/scsi/aic94xx/aic94xx_init.c
+++ b/drivers/scsi/aic94xx/aic94xx_init.c
@@ -56,8 +56,6 @@ MODULE_PARM_DESC(collector, "\n"
 	"\tThe aic94xx SAS LLDD supports both modes.\n"
 	"\tDefault: 0 (Direct Mode).\n");
 
-char sas_addr_str[2*SAS_ADDR_SIZE + 1] = "";
-
 static struct scsi_transport_template *aic94xx_transport_template;
 static int asd_scan_finished(struct Scsi_Host *, unsigned long);
 static void asd_scan_start(struct Scsi_Host *);
@@ -547,7 +545,7 @@ static struct asd_pcidev_struct {
 	},
 };
 
-static inline int asd_create_ha_caches(struct asd_ha_struct *asd_ha)
+static int asd_create_ha_caches(struct asd_ha_struct *asd_ha)
 {
 	asd_ha->scb_pool = dma_pool_create(ASD_DRIVER_NAME "_scb_pool",
 					   &asd_ha->pcidev->dev,
@@ -565,7 +563,7 @@ static inline int asd_create_ha_caches(struct asd_ha_struct *asd_ha)
  * asd_free_edbs -- free empty data buffers
  * asd_ha: pointer to host adapter structure
  */
-static inline void asd_free_edbs(struct asd_ha_struct *asd_ha)
+static void asd_free_edbs(struct asd_ha_struct *asd_ha)
 {
 	struct asd_seq_data *seq = &asd_ha->seq;
 	int i;
@@ -576,7 +574,7 @@ static inline void asd_free_edbs(struct asd_ha_struct *asd_ha)
 	seq->edb_arr = NULL;
 }
 
-static inline void asd_free_escbs(struct asd_ha_struct *asd_ha)
+static void asd_free_escbs(struct asd_ha_struct *asd_ha)
 {
 	struct asd_seq_data *seq = &asd_ha->seq;
 	int i;
@@ -591,7 +589,7 @@ static inline void asd_free_escbs(struct asd_ha_struct *asd_ha)
 	seq->escb_arr = NULL;
 }
 
-static inline void asd_destroy_ha_caches(struct asd_ha_struct *asd_ha)
+static void asd_destroy_ha_caches(struct asd_ha_struct *asd_ha)
 {
 	int i;
 
diff --git a/drivers/scsi/aic94xx/aic94xx_reg.c b/drivers/scsi/aic94xx/aic94xx_reg.c
index f210dac3203d..56b17c22526e 100644
--- a/drivers/scsi/aic94xx/aic94xx_reg.c
+++ b/drivers/scsi/aic94xx/aic94xx_reg.c
@@ -32,8 +32,8 @@
  * Offset comes before value to remind that the operation of
  * this function is *offs = val.
  */
-static inline void asd_write_byte(struct asd_ha_struct *asd_ha,
-				  unsigned long offs, u8 val)
+static void asd_write_byte(struct asd_ha_struct *asd_ha,
+			   unsigned long offs, u8 val)
 {
 	if (unlikely(asd_ha->iospace))
 		outb(val,
@@ -43,8 +43,8 @@ static inline void asd_write_byte(struct asd_ha_struct *asd_ha,
 	wmb();
 }
 
-static inline void asd_write_word(struct asd_ha_struct *asd_ha,
-				  unsigned long offs, u16 val)
+static void asd_write_word(struct asd_ha_struct *asd_ha,
+			   unsigned long offs, u16 val)
 {
 	if (unlikely(asd_ha->iospace))
 		outw(val,
@@ -54,8 +54,8 @@ static inline void asd_write_word(struct asd_ha_struct *asd_ha,
 	wmb();
 }
 
-static inline void asd_write_dword(struct asd_ha_struct *asd_ha,
-				   unsigned long offs, u32 val)
+static void asd_write_dword(struct asd_ha_struct *asd_ha,
+			    unsigned long offs, u32 val)
 {
 	if (unlikely(asd_ha->iospace))
 		outl(val,
@@ -67,8 +67,7 @@ static inline void asd_write_dword(struct asd_ha_struct *asd_ha,
 
 /* Reading from device address space.
  */
-static inline u8 asd_read_byte(struct asd_ha_struct *asd_ha,
-			       unsigned long offs)
+static u8 asd_read_byte(struct asd_ha_struct *asd_ha, unsigned long offs)
 {
 	u8 val;
 	if (unlikely(asd_ha->iospace))
@@ -80,8 +79,8 @@ static inline u8 asd_read_byte(struct asd_ha_struct *asd_ha,
 	return val;
 }
 
-static inline u16 asd_read_word(struct asd_ha_struct *asd_ha,
-				unsigned long offs)
+static u16 asd_read_word(struct asd_ha_struct *asd_ha,
+			 unsigned long offs)
 {
 	u16 val;
 	if (unlikely(asd_ha->iospace))
@@ -93,8 +92,8 @@ static inline u16 asd_read_word(struct asd_ha_struct *asd_ha,
 	return val;
 }
 
-static inline u32 asd_read_dword(struct asd_ha_struct *asd_ha,
-				 unsigned long offs)
+static u32 asd_read_dword(struct asd_ha_struct *asd_ha,
+			  unsigned long offs)
 {
 	u32 val;
 	if (unlikely(asd_ha->iospace))
@@ -124,22 +123,22 @@ static inline u32 asd_mem_offs_swb(void)
 /* We know that the register wanted is in the range
  * of the sliding window.
  */
-#define ASD_READ_SW(ww, type, ord)                                     \
-static inline type asd_read_##ww##_##ord (struct asd_ha_struct *asd_ha,\
-					  u32 reg)                     \
-{                                                                      \
-	struct asd_ha_addrspace *io_handle = &asd_ha->io_handle[0];    \
-	u32 map_offs=(reg - io_handle-> ww##_base )+asd_mem_offs_##ww ();\
-	return asd_read_##ord (asd_ha, (unsigned long) map_offs);      \
+#define ASD_READ_SW(ww, type, ord)					\
+static type asd_read_##ww##_##ord(struct asd_ha_struct *asd_ha,		\
+				   u32 reg)				\
+{									\
+	struct asd_ha_addrspace *io_handle = &asd_ha->io_handle[0];	\
+	u32 map_offs = (reg - io_handle->ww##_base) + asd_mem_offs_##ww();\
+	return asd_read_##ord(asd_ha, (unsigned long)map_offs);	\
 }
 
-#define ASD_WRITE_SW(ww, type, ord)                                    \
-static inline void asd_write_##ww##_##ord (struct asd_ha_struct *asd_ha,\
-				  u32 reg, type val)                   \
-{                                                                      \
-	struct asd_ha_addrspace *io_handle = &asd_ha->io_handle[0];    \
-	u32 map_offs=(reg - io_handle-> ww##_base )+asd_mem_offs_##ww ();\
-	asd_write_##ord (asd_ha, (unsigned long) map_offs, val);       \
+#define ASD_WRITE_SW(ww, type, ord)					\
+static void asd_write_##ww##_##ord(struct asd_ha_struct *asd_ha,	\
+				    u32 reg, type val)			\
+{									\
+	struct asd_ha_addrspace *io_handle = &asd_ha->io_handle[0];	\
+	u32 map_offs = (reg - io_handle->ww##_base) + asd_mem_offs_##ww();\
+	asd_write_##ord(asd_ha, (unsigned long)map_offs, val);		\
 }
 
 ASD_READ_SW(swa, u8,  byte);
@@ -186,7 +185,7 @@ ASD_WRITE_SW(swc, u32, dword);
  * @asd_ha: pointer to host adapter structure
  * @reg: register desired to be within range of the new window
  */
-static inline void asd_move_swb(struct asd_ha_struct *asd_ha, u32 reg)
+static void asd_move_swb(struct asd_ha_struct *asd_ha, u32 reg)
 {
 	u32 base = reg & ~(MBAR0_SWB_SIZE-1);
 	pci_write_config_dword(asd_ha->pcidev, PCI_CONF_MBAR0_SWB, base);
diff --git a/drivers/scsi/aic94xx/aic94xx_scb.c b/drivers/scsi/aic94xx/aic94xx_scb.c
index ab350504ca5a..46643319c520 100644
--- a/drivers/scsi/aic94xx/aic94xx_scb.c
+++ b/drivers/scsi/aic94xx/aic94xx_scb.c
@@ -50,7 +50,7 @@
 			   | CURRENT_SPINUP_HOLD | CURRENT_GTO_TIMEOUT \
 			   | CURRENT_OOB_ERROR)
 
-static inline void get_lrate_mode(struct asd_phy *phy, u8 oob_mode)
+static void get_lrate_mode(struct asd_phy *phy, u8 oob_mode)
 {
 	struct sas_phy *sas_phy = phy->sas_phy.phy;
 
@@ -81,7 +81,7 @@ static inline void get_lrate_mode(struct asd_phy *phy, u8 oob_mode)
 		phy->sas_phy.oob_mode = SATA_OOB_MODE;
 }
 
-static inline void asd_phy_event_tasklet(struct asd_ascb *ascb,
+static void asd_phy_event_tasklet(struct asd_ascb *ascb,
 					 struct done_list_struct *dl)
 {
 	struct asd_ha_struct *asd_ha = ascb->ha;
@@ -125,8 +125,7 @@ static inline void asd_phy_event_tasklet(struct asd_ascb *ascb,
 }
 
 /* If phys are enabled sparsely, this will do the right thing. */
-static inline unsigned ord_phy(struct asd_ha_struct *asd_ha,
-			       struct asd_phy *phy)
+static unsigned ord_phy(struct asd_ha_struct *asd_ha, struct asd_phy *phy)
 {
 	u8 enabled_mask = asd_ha->hw_prof.enabled_phys;
 	int i, k = 0;
@@ -151,7 +150,7 @@ static inline unsigned ord_phy(struct asd_ha_struct *asd_ha,
  * LOCKING: the frame_rcvd_lock needs to be held since this parses the frame
  * buffer.
  */
-static inline void asd_get_attached_sas_addr(struct asd_phy *phy, u8 *sas_addr)
+static void asd_get_attached_sas_addr(struct asd_phy *phy, u8 *sas_addr)
 {
 	if (phy->sas_phy.frame_rcvd[0] == 0x34
 	    && phy->sas_phy.oob_mode == SATA_OOB_MODE) {
@@ -232,9 +231,9 @@ static void asd_deform_port(struct asd_ha_struct *asd_ha, struct asd_phy *phy)
 	spin_unlock_irqrestore(&asd_ha->asd_ports_lock, flags);
 }
 
-static inline void asd_bytes_dmaed_tasklet(struct asd_ascb *ascb,
-					   struct done_list_struct *dl,
-					   int edb_id, int phy_id)
+static void asd_bytes_dmaed_tasklet(struct asd_ascb *ascb,
+				    struct done_list_struct *dl,
+				    int edb_id, int phy_id)
 {
 	unsigned long flags;
 	int edb_el = edb_id + ascb->edb_index;
@@ -255,9 +254,9 @@ static inline void asd_bytes_dmaed_tasklet(struct asd_ascb *ascb,
 	sas_ha->notify_port_event(&phy->sas_phy, PORTE_BYTES_DMAED);
 }
 
-static inline void asd_link_reset_err_tasklet(struct asd_ascb *ascb,
-					      struct done_list_struct *dl,
-					      int phy_id)
+static void asd_link_reset_err_tasklet(struct asd_ascb *ascb,
+				       struct done_list_struct *dl,
+				       int phy_id)
 {
 	struct asd_ha_struct *asd_ha = ascb->ha;
 	struct sas_ha_struct *sas_ha = &asd_ha->sas_ha;
@@ -308,9 +307,9 @@ out:
 	;
 }
 
-static inline void asd_primitive_rcvd_tasklet(struct asd_ascb *ascb,
-					      struct done_list_struct *dl,
-					      int phy_id)
+static void asd_primitive_rcvd_tasklet(struct asd_ascb *ascb,
+				       struct done_list_struct *dl,
+				       int phy_id)
 {
 	unsigned long flags;
 	struct sas_ha_struct *sas_ha = &ascb->ha->sas_ha;
@@ -715,7 +714,7 @@ out:
 	asd_ascb_free(ascb);
 }
 
-static inline void set_speed_mask(u8 *speed_mask, struct asd_phy_desc *pd)
+static void set_speed_mask(u8 *speed_mask, struct asd_phy_desc *pd)
 {
 	/* disable all speeds, then enable defaults */
 	*speed_mask = SAS_SPEED_60_DIS | SAS_SPEED_30_DIS | SAS_SPEED_15_DIS
@@ -820,6 +819,8 @@ void asd_build_control_phy(struct asd_ascb *ascb, int phy_id, u8 subfunc)
 
 /* ---------- INITIATE LINK ADM TASK ---------- */
 
+#if 0
+
 static void link_adm_tasklet_complete(struct asd_ascb *ascb,
 				      struct done_list_struct *dl)
 {
@@ -852,6 +853,8 @@ void asd_build_initiate_link_adm_task(struct asd_ascb *ascb, int phy_id,
 	ascb->tasklet_complete = link_adm_tasklet_complete;
 }
 
+#endif  /*  0  */
+
 /* ---------- SCB timer ---------- */
 
 /**
diff --git a/drivers/scsi/aic94xx/aic94xx_sds.c b/drivers/scsi/aic94xx/aic94xx_sds.c
index 2a4c933eb89c..4446e3d584dc 100644
--- a/drivers/scsi/aic94xx/aic94xx_sds.c
+++ b/drivers/scsi/aic94xx/aic94xx_sds.c
@@ -590,8 +590,8 @@ static int asd_reset_flash(struct asd_ha_struct *asd_ha)
 	return err;
 }
 
-static inline int asd_read_flash_seg(struct asd_ha_struct *asd_ha,
-				     void *buffer, u32 offs, int size)
+static int asd_read_flash_seg(struct asd_ha_struct *asd_ha,
+			      void *buffer, u32 offs, int size)
 {
 	asd_read_reg_string(asd_ha, buffer, asd_ha->hw_prof.flash.bar+offs,
 			    size);
diff --git a/drivers/scsi/aic94xx/aic94xx_seq.c b/drivers/scsi/aic94xx/aic94xx_seq.c
index c750fbf7013b..f4272ac4c685 100644
--- a/drivers/scsi/aic94xx/aic94xx_seq.c
+++ b/drivers/scsi/aic94xx/aic94xx_seq.c
@@ -60,7 +60,7 @@ static u16 last_scb_site_no;
  *
  * Return 0 on success, negative on failure.
  */
-int asd_pause_cseq(struct asd_ha_struct *asd_ha)
+static int asd_pause_cseq(struct asd_ha_struct *asd_ha)
 {
 	int	count = PAUSE_TRIES;
 	u32	arp2ctl;
@@ -87,7 +87,7 @@ int asd_pause_cseq(struct asd_ha_struct *asd_ha)
  *
  * Return 0 on success, negative on error.
  */
-int asd_unpause_cseq(struct asd_ha_struct *asd_ha)
+static int asd_unpause_cseq(struct asd_ha_struct *asd_ha)
 {
 	u32	arp2ctl;
 	int	count = PAUSE_TRIES;
@@ -115,7 +115,7 @@ int asd_unpause_cseq(struct asd_ha_struct *asd_ha)
  *
  * Return 0 on success, negative on error.
  */
-static inline int asd_seq_pause_lseq(struct asd_ha_struct *asd_ha, int lseq)
+static int asd_seq_pause_lseq(struct asd_ha_struct *asd_ha, int lseq)
 {
 	u32    arp2ctl;
 	int    count = PAUSE_TRIES;
@@ -143,7 +143,7 @@ static inline int asd_seq_pause_lseq(struct asd_ha_struct *asd_ha, int lseq)
  *
  * Return 0 on success, negative on failure.
  */
-int asd_pause_lseq(struct asd_ha_struct *asd_ha, u8 lseq_mask)
+static int asd_pause_lseq(struct asd_ha_struct *asd_ha, u8 lseq_mask)
 {
 	int lseq;
 	int err = 0;
@@ -164,7 +164,7 @@ int asd_pause_lseq(struct asd_ha_struct *asd_ha, u8 lseq_mask)
  *
  * Return 0 on success, negative on error.
  */
-static inline int asd_seq_unpause_lseq(struct asd_ha_struct *asd_ha, int lseq)
+static int asd_seq_unpause_lseq(struct asd_ha_struct *asd_ha, int lseq)
 {
 	u32 arp2ctl;
 	int count = PAUSE_TRIES;
@@ -186,27 +186,6 @@ static inline int asd_seq_unpause_lseq(struct asd_ha_struct *asd_ha, int lseq)
 }
 
 
-/**
- * asd_unpause_lseq - unpause the link sequencer(s)
- * @asd_ha: pointer to host adapter structure
- * @lseq_mask: mask of link sequencers of interest
- *
- * Return 0 on success, negative on failure.
- */
-int asd_unpause_lseq(struct asd_ha_struct *asd_ha, u8 lseq_mask)
-{
-	int lseq;
-	int err = 0;
-
-	for_each_sequencer(lseq_mask, lseq_mask, lseq) {
-		err = asd_seq_unpause_lseq(asd_ha, lseq);
-		if (err)
-			return err;
-	}
-
-	return err;
-}
-
 /* ---------- Downloading CSEQ/LSEQ microcode ---------- */
 
 static int asd_verify_cseq(struct asd_ha_struct *asd_ha, const u8 *_prog,
diff --git a/drivers/scsi/aic94xx/aic94xx_seq.h b/drivers/scsi/aic94xx/aic94xx_seq.h
index 2ea6a0d52208..ad787c55525f 100644
--- a/drivers/scsi/aic94xx/aic94xx_seq.h
+++ b/drivers/scsi/aic94xx/aic94xx_seq.h
@@ -58,10 +58,6 @@ struct sequencer_file_header {
 } __attribute__((packed));
 
 #ifdef __KERNEL__
-int asd_pause_cseq(struct asd_ha_struct *asd_ha);
-int asd_unpause_cseq(struct asd_ha_struct *asd_ha);
-int asd_pause_lseq(struct asd_ha_struct *asd_ha, u8 lseq_mask);
-int asd_unpause_lseq(struct asd_ha_struct *asd_ha, u8 lseq_mask);
 int asd_init_seqs(struct asd_ha_struct *asd_ha);
 int asd_start_seqs(struct asd_ha_struct *asd_ha);
 int asd_release_firmware(void);
diff --git a/drivers/scsi/aic94xx/aic94xx_task.c b/drivers/scsi/aic94xx/aic94xx_task.c
index 008df9ab92a5..326765c9caf8 100644
--- a/drivers/scsi/aic94xx/aic94xx_task.c
+++ b/drivers/scsi/aic94xx/aic94xx_task.c
@@ -33,7 +33,7 @@ static void asd_unbuild_ata_ascb(struct asd_ascb *a);
 static void asd_unbuild_smp_ascb(struct asd_ascb *a);
 static void asd_unbuild_ssp_ascb(struct asd_ascb *a);
 
-static inline void asd_can_dequeue(struct asd_ha_struct *asd_ha, int num)
+static void asd_can_dequeue(struct asd_ha_struct *asd_ha, int num)
 {
 	unsigned long flags;
 
@@ -51,9 +51,9 @@ static const u8 data_dir_flags[] = {
 	[PCI_DMA_NONE]          = DATA_DIR_NONE, /* NO TRANSFER */
 };
 
-static inline int asd_map_scatterlist(struct sas_task *task,
-				      struct sg_el *sg_arr,
-				      gfp_t gfp_flags)
+static int asd_map_scatterlist(struct sas_task *task,
+			       struct sg_el *sg_arr,
+			       gfp_t gfp_flags)
 {
 	struct asd_ascb *ascb = task->lldd_task;
 	struct asd_ha_struct *asd_ha = ascb->ha;
@@ -131,7 +131,7 @@ err_unmap:
 	return res;
 }
 
-static inline void asd_unmap_scatterlist(struct asd_ascb *ascb)
+static void asd_unmap_scatterlist(struct asd_ascb *ascb)
 {
 	struct asd_ha_struct *asd_ha = ascb->ha;
 	struct sas_task *task = ascb->uldd_task;
@@ -527,7 +527,7 @@ static void asd_unbuild_ssp_ascb(struct asd_ascb *a)
 
 /* ---------- Execute Task ---------- */
 
-static inline int asd_can_queue(struct asd_ha_struct *asd_ha, int num)
+static int asd_can_queue(struct asd_ha_struct *asd_ha, int num)
 {
 	int res = 0;
 	unsigned long flags;
diff --git a/drivers/scsi/aic94xx/aic94xx_tmf.c b/drivers/scsi/aic94xx/aic94xx_tmf.c
index b9ac8f703a1d..633ff40c736a 100644
--- a/drivers/scsi/aic94xx/aic94xx_tmf.c
+++ b/drivers/scsi/aic94xx/aic94xx_tmf.c
@@ -336,7 +336,7 @@ static void asd_tmf_tasklet_complete(struct asd_ascb *ascb,
 	asd_ascb_free(ascb);
 }
 
-static inline int asd_clear_nexus(struct sas_task *task)
+static int asd_clear_nexus(struct sas_task *task)
 {
 	int res = TMF_RESP_FUNC_FAILED;
 	int leftover;
diff --git a/drivers/scsi/arm/acornscsi.c b/drivers/scsi/arm/acornscsi.c
index 3bedf2466bd1..8e53f02cc311 100644
--- a/drivers/scsi/arm/acornscsi.c
+++ b/drivers/scsi/arm/acornscsi.c
@@ -2983,7 +2983,6 @@ static struct scsi_host_template acornscsi_template = {
 	.this_id		= 7,
 	.sg_tablesize		= SG_ALL,
 	.cmd_per_lun		= 2,
-	.unchecked_isa_dma	= 0,
 	.use_clustering		= DISABLE_CLUSTERING,
 	.proc_name		= "acornscsi",
 };
diff --git a/drivers/scsi/arm/cumana_1.c b/drivers/scsi/arm/cumana_1.c
index 49d838e90a24..a3398fe70a9c 100644
--- a/drivers/scsi/arm/cumana_1.c
+++ b/drivers/scsi/arm/cumana_1.c
@@ -222,7 +222,6 @@ static struct scsi_host_template cumanascsi_template = {
 	.this_id		= 7,
 	.sg_tablesize		= SG_ALL,
 	.cmd_per_lun		= 2,
-	.unchecked_isa_dma	= 0,
 	.use_clustering		= DISABLE_CLUSTERING,
 	.proc_name		= "CumanaSCSI-1",
 };
diff --git a/drivers/scsi/ch.c b/drivers/scsi/ch.c
index 7aad15436d24..92d1cb1b21cb 100644
--- a/drivers/scsi/ch.c
+++ b/drivers/scsi/ch.c
@@ -113,7 +113,7 @@ static const struct {
 	unsigned char  asc;
 	unsigned char  ascq;
 	int	       errno;
-} err[] = {
+} ch_err[] = {
 /* Just filled in what looks right. Hav'nt checked any standard paper for
    these errno assignments, so they may be wrong... */
 	{
@@ -155,11 +155,11 @@ static int ch_find_errno(struct scsi_sense_hdr *sshdr)
 	/* Check to see if additional sense information is available */
 	if (scsi_sense_valid(sshdr) &&
 	    sshdr->asc != 0) {
-		for (i = 0; err[i].errno != 0; i++) {
-			if (err[i].sense == sshdr->sense_key &&
-			    err[i].asc   == sshdr->asc &&
-			    err[i].ascq  == sshdr->ascq) {
-				errno = -err[i].errno;
+		for (i = 0; ch_err[i].errno != 0; i++) {
+			if (ch_err[i].sense == sshdr->sense_key &&
+			    ch_err[i].asc   == sshdr->asc &&
+			    ch_err[i].ascq  == sshdr->ascq) {
+				errno = -ch_err[i].errno;
 				break;
 			}
 		}
@@ -721,8 +721,8 @@ static long ch_ioctl(struct file *file,
 	case CHIOGELEM:
 	{
 		struct changer_get_element cge;
-		u_char  cmd[12];
-		u_char  *buffer;
+		u_char ch_cmd[12];
+		u_char *buffer;
 		unsigned int elem;
 		int     result,i;
 
@@ -739,17 +739,18 @@ static long ch_ioctl(struct file *file,
 		mutex_lock(&ch->lock);
 
 	voltag_retry:
-		memset(cmd,0,sizeof(cmd));
-		cmd[0] = READ_ELEMENT_STATUS;
-		cmd[1] = (ch->device->lun << 5) |
+		memset(ch_cmd, 0, sizeof(ch_cmd));
+		ch_cmd[0] = READ_ELEMENT_STATUS;
+		ch_cmd[1] = (ch->device->lun << 5) |
 			(ch->voltags ? 0x10 : 0) |
 			ch_elem_to_typecode(ch,elem);
-		cmd[2] = (elem >> 8) & 0xff;
-		cmd[3] = elem        & 0xff;
-		cmd[5] = 1;
-		cmd[9] = 255;
+		ch_cmd[2] = (elem >> 8) & 0xff;
+		ch_cmd[3] = elem        & 0xff;
+		ch_cmd[5] = 1;
+		ch_cmd[9] = 255;
 
-		if (0 == (result = ch_do_scsi(ch, cmd, buffer, 256, DMA_FROM_DEVICE))) {
+		result = ch_do_scsi(ch, ch_cmd, buffer, 256, DMA_FROM_DEVICE);
+		if (!result) {
 			cge.cge_status = buffer[18];
 			cge.cge_flags = 0;
 			if (buffer[18] & CESTATUS_EXCEPT) {
diff --git a/drivers/scsi/dc395x.c b/drivers/scsi/dc395x.c
index e351db6c0077..075e2397273c 100644
--- a/drivers/scsi/dc395x.c
+++ b/drivers/scsi/dc395x.c
@@ -4761,7 +4761,6 @@ static struct scsi_host_template dc395x_driver_template = {
 	.cmd_per_lun            = DC395x_MAX_CMD_PER_LUN,
 	.eh_abort_handler       = dc395x_eh_abort,
 	.eh_bus_reset_handler   = dc395x_eh_bus_reset,
-	.unchecked_isa_dma      = 0,
 	.use_clustering         = DISABLE_CLUSTERING,
 };
 
diff --git a/drivers/scsi/eata_pio.c b/drivers/scsi/eata_pio.c
index b5a60926e556..952505c006df 100644
--- a/drivers/scsi/eata_pio.c
+++ b/drivers/scsi/eata_pio.c
@@ -815,8 +815,6 @@ static int register_pio_HBA(long base, struct get_conf *gc, struct pci_dev *pdev
 	else
 		hd->primary = 1;
 
-	sh->unchecked_isa_dma = 0;	/* We can only do PIO */
-
 	hd->next = NULL;	/* build a linked list of all HBAs */
 	hd->prev = last_HBA;
 	if (hd->prev != NULL)
diff --git a/drivers/scsi/gdth.c b/drivers/scsi/gdth.c
index 0b2080d33575..c6d6e7c6559a 100644
--- a/drivers/scsi/gdth.c
+++ b/drivers/scsi/gdth.c
@@ -85,10 +85,10 @@
 
 /* The meaning of the Scsi_Pointer members in this driver is as follows:
  * ptr:                     Chaining
- * this_residual:           gdth_bufflen
- * buffer:                  gdth_sglist
+ * this_residual:           unused
+ * buffer:                  unused
  * dma_handle:              unused
- * buffers_residual:        gdth_sg_count
+ * buffers_residual:        unused
  * Status:                  unused
  * Message:                 unused
  * have_data_in:            unused
@@ -372,47 +372,6 @@ static const struct file_operations gdth_fops = {
     .release = gdth_close,
 };
 
-/*
- * gdth scsi_command access wrappers.
- *   below 6 functions are used throughout the driver to access scsi_command's
- *   io parameters. The reason we do not use the regular accessors from
- *   scsi_cmnd.h is because of gdth_execute(). Since it is unrecommended for
- *   llds to directly set scsi_cmnd's IO members. This driver will use SCp
- *   members for IO parameters, and will copy scsi_cmnd's members to Scp
- *   members in queuecommand. For internal commands through gdth_execute()
- *   SCp's members will be set directly.
- */
-static inline unsigned gdth_bufflen(struct scsi_cmnd *cmd)
-{
-	return (unsigned)cmd->SCp.this_residual;
-}
-
-static inline void gdth_set_bufflen(struct scsi_cmnd *cmd, unsigned bufflen)
-{
-	cmd->SCp.this_residual = bufflen;
-}
-
-static inline unsigned gdth_sg_count(struct scsi_cmnd *cmd)
-{
-	return (unsigned)cmd->SCp.buffers_residual;
-}
-
-static inline void gdth_set_sg_count(struct scsi_cmnd *cmd, unsigned sg_count)
-{
-	cmd->SCp.buffers_residual = sg_count;
-}
-
-static inline struct scatterlist *gdth_sglist(struct scsi_cmnd *cmd)
-{
-	return cmd->SCp.buffer;
-}
-
-static inline void gdth_set_sglist(struct scsi_cmnd *cmd,
-                                   struct scatterlist *sglist)
-{
-	cmd->SCp.buffer = sglist;
-}
-
 #include "gdth_proc.h"
 #include "gdth_proc.c"
 
@@ -591,125 +550,111 @@ static int __init gdth_search_isa(ulong32 bios_adr)
 #endif /* CONFIG_ISA */
 
 #ifdef CONFIG_PCI
-static void gdth_search_dev(gdth_pci_str *pcistr, ushort *cnt,
-                            ushort vendor, ushort dev);
+static bool gdth_pci_registered;
 
-static int __init gdth_search_pci(gdth_pci_str *pcistr)
+static bool gdth_search_vortex(ushort device)
 {
-    ushort device, cnt;
-    
-    TRACE(("gdth_search_pci()\n"));
-
-    cnt = 0;
-    for (device = 0; device <= PCI_DEVICE_ID_VORTEX_GDT6555; ++device)
-        gdth_search_dev(pcistr, &cnt, PCI_VENDOR_ID_VORTEX, device);
-    for (device = PCI_DEVICE_ID_VORTEX_GDT6x17RP; 
-         device <= PCI_DEVICE_ID_VORTEX_GDTMAXRP; ++device)
-        gdth_search_dev(pcistr, &cnt, PCI_VENDOR_ID_VORTEX, device);
-    gdth_search_dev(pcistr, &cnt, PCI_VENDOR_ID_VORTEX, 
-                    PCI_DEVICE_ID_VORTEX_GDTNEWRX);
-    gdth_search_dev(pcistr, &cnt, PCI_VENDOR_ID_VORTEX, 
-                    PCI_DEVICE_ID_VORTEX_GDTNEWRX2);
-    gdth_search_dev(pcistr, &cnt, PCI_VENDOR_ID_INTEL,
-                    PCI_DEVICE_ID_INTEL_SRC);
-    gdth_search_dev(pcistr, &cnt, PCI_VENDOR_ID_INTEL,
-                    PCI_DEVICE_ID_INTEL_SRC_XSCALE);
-    return cnt;
+	if (device <= PCI_DEVICE_ID_VORTEX_GDT6555)
+		return true;
+	if (device >= PCI_DEVICE_ID_VORTEX_GDT6x17RP &&
+	    device <= PCI_DEVICE_ID_VORTEX_GDTMAXRP)
+		return true;
+	if (device == PCI_DEVICE_ID_VORTEX_GDTNEWRX ||
+	    device == PCI_DEVICE_ID_VORTEX_GDTNEWRX2)
+		return true;
+	return false;
 }
 
+static int gdth_pci_probe_one(gdth_pci_str *pcistr, gdth_ha_str **ha_out);
+static int gdth_pci_init_one(struct pci_dev *pdev,
+			     const struct pci_device_id *ent);
+static void gdth_pci_remove_one(struct pci_dev *pdev);
+static void gdth_remove_one(gdth_ha_str *ha);
+
 /* Vortex only makes RAID controllers.
  * We do not really want to specify all 550 ids here, so wildcard match.
  */
-static struct pci_device_id gdthtable[] __maybe_unused = {
-    {PCI_VENDOR_ID_VORTEX,PCI_ANY_ID,PCI_ANY_ID, PCI_ANY_ID},
-    {PCI_VENDOR_ID_INTEL,PCI_DEVICE_ID_INTEL_SRC,PCI_ANY_ID,PCI_ANY_ID}, 
-    {PCI_VENDOR_ID_INTEL,PCI_DEVICE_ID_INTEL_SRC_XSCALE,PCI_ANY_ID,PCI_ANY_ID}, 
-    {0}
+static const struct pci_device_id gdthtable[] = {
+	{ PCI_VDEVICE(VORTEX, PCI_ANY_ID) },
+	{ PCI_VDEVICE(INTEL, PCI_DEVICE_ID_INTEL_SRC) },
+	{ PCI_VDEVICE(INTEL, PCI_DEVICE_ID_INTEL_SRC_XSCALE) },
+	{ }	/* terminate list */
+};
+MODULE_DEVICE_TABLE(pci, gdthtable);
+
+static struct pci_driver gdth_pci_driver = {
+	.name		= "gdth",
+	.id_table	= gdthtable,
+	.probe		= gdth_pci_init_one,
+	.remove		= gdth_pci_remove_one,
 };
-MODULE_DEVICE_TABLE(pci,gdthtable);
 
-static void __init gdth_search_dev(gdth_pci_str *pcistr, ushort *cnt,
-                                   ushort vendor, ushort device)
+static void gdth_pci_remove_one(struct pci_dev *pdev)
 {
-    ulong base0, base1, base2;
-    struct pci_dev *pdev;
+	gdth_ha_str *ha = pci_get_drvdata(pdev);
+
+	pci_set_drvdata(pdev, NULL);
+
+	list_del(&ha->list);
+	gdth_remove_one(ha);
+
+	pci_disable_device(pdev);
+}
+
+static int gdth_pci_init_one(struct pci_dev *pdev,
+				       const struct pci_device_id *ent)
+{
+	ushort vendor = pdev->vendor;
+	ushort device = pdev->device;
+	ulong base0, base1, base2;
+	int rc;
+	gdth_pci_str gdth_pcistr;
+	gdth_ha_str *ha = NULL;
     
-    TRACE(("gdth_search_dev() cnt %d vendor %x device %x\n",
-          *cnt, vendor, device));
+	TRACE(("gdth_search_dev() cnt %d vendor %x device %x\n",
+	       gdth_ctr_count, vendor, device));
 
-    pdev = NULL;
-    while ((pdev = pci_get_device(vendor, device, pdev))
-           != NULL) {
-        if (pci_enable_device(pdev))
-            continue;
-        if (*cnt >= MAXHA) {
-            pci_dev_put(pdev);
-            return;
-        }
+	memset(&gdth_pcistr, 0, sizeof(gdth_pcistr));
+
+	if (vendor == PCI_VENDOR_ID_VORTEX && !gdth_search_vortex(device))
+		return -ENODEV;
+
+	rc = pci_enable_device(pdev);
+	if (rc)
+		return rc;
+
+	if (gdth_ctr_count >= MAXHA)
+		return -EBUSY;
 
         /* GDT PCI controller found, resources are already in pdev */
-        pcistr[*cnt].pdev = pdev;
-        pcistr[*cnt].irq = pdev->irq;
+	gdth_pcistr.pdev = pdev;
         base0 = pci_resource_flags(pdev, 0);
         base1 = pci_resource_flags(pdev, 1);
         base2 = pci_resource_flags(pdev, 2);
         if (device <= PCI_DEVICE_ID_VORTEX_GDT6000B ||   /* GDT6000/B */
             device >= PCI_DEVICE_ID_VORTEX_GDT6x17RP) {  /* MPR */
             if (!(base0 & IORESOURCE_MEM)) 
-                continue;
-            pcistr[*cnt].dpmem = pci_resource_start(pdev, 0);
+		return -ENODEV;
+	    gdth_pcistr.dpmem = pci_resource_start(pdev, 0);
         } else {                                  /* GDT6110, GDT6120, .. */
             if (!(base0 & IORESOURCE_MEM) ||
                 !(base2 & IORESOURCE_MEM) ||
                 !(base1 & IORESOURCE_IO)) 
-                continue;
-            pcistr[*cnt].dpmem = pci_resource_start(pdev, 2);
-            pcistr[*cnt].io_mm = pci_resource_start(pdev, 0);
-            pcistr[*cnt].io    = pci_resource_start(pdev, 1);
+		return -ENODEV;
+	    gdth_pcistr.dpmem = pci_resource_start(pdev, 2);
+	    gdth_pcistr.io    = pci_resource_start(pdev, 1);
         }
         TRACE2(("Controller found at %d/%d, irq %d, dpmem 0x%lx\n",
-                pcistr[*cnt].pdev->bus->number,
-		PCI_SLOT(pcistr[*cnt].pdev->devfn),
-                pcistr[*cnt].irq, pcistr[*cnt].dpmem));
-        (*cnt)++;
-    }       
-}   
+		gdth_pcistr.pdev->bus->number,
+		PCI_SLOT(gdth_pcistr.pdev->devfn),
+		gdth_pcistr.irq,
+		gdth_pcistr.dpmem));
 
-static void __init gdth_sort_pci(gdth_pci_str *pcistr, int cnt)
-{    
-    gdth_pci_str temp;
-    int i, changed;
-    
-    TRACE(("gdth_sort_pci() cnt %d\n",cnt));
-    if (cnt == 0)
-        return;
+	rc = gdth_pci_probe_one(&gdth_pcistr, &ha);
+	if (rc)
+		return rc;
 
-    do {
-        changed = FALSE;
-        for (i = 0; i < cnt-1; ++i) {
-            if (!reverse_scan) {
-                if ((pcistr[i].pdev->bus->number > pcistr[i+1].pdev->bus->number) ||
-                    (pcistr[i].pdev->bus->number == pcistr[i+1].pdev->bus->number &&
-                     PCI_SLOT(pcistr[i].pdev->devfn) >
-                     PCI_SLOT(pcistr[i+1].pdev->devfn))) {
-                    temp = pcistr[i];
-                    pcistr[i] = pcistr[i+1];
-                    pcistr[i+1] = temp;
-                    changed = TRUE;
-                }
-            } else {
-                if ((pcistr[i].pdev->bus->number < pcistr[i+1].pdev->bus->number) ||
-                    (pcistr[i].pdev->bus->number == pcistr[i+1].pdev->bus->number &&
-                     PCI_SLOT(pcistr[i].pdev->devfn) <
-                     PCI_SLOT(pcistr[i+1].pdev->devfn))) {
-                    temp = pcistr[i];
-                    pcistr[i] = pcistr[i+1];
-                    pcistr[i+1] = temp;
-                    changed = TRUE;
-                }
-            }
-        }
-    } while (changed);
+	return 0;
 }
 #endif /* CONFIG_PCI */
 
@@ -909,7 +854,8 @@ static int __init gdth_init_isa(ulong32 bios_adr,gdth_ha_str *ha)
 #endif /* CONFIG_ISA */
 
 #ifdef CONFIG_PCI
-static int __init gdth_init_pci(gdth_pci_str *pcistr,gdth_ha_str *ha)
+static int gdth_init_pci(struct pci_dev *pdev, gdth_pci_str *pcistr,
+				   gdth_ha_str *ha)
 {
     register gdt6_dpram_str __iomem *dp6_ptr;
     register gdt6c_dpram_str __iomem *dp6c_ptr;
@@ -921,14 +867,14 @@ static int __init gdth_init_pci(gdth_pci_str *pcistr,gdth_ha_str *ha)
 
     TRACE(("gdth_init_pci()\n"));
 
-    if (pcistr->pdev->vendor == PCI_VENDOR_ID_INTEL)
+    if (pdev->vendor == PCI_VENDOR_ID_INTEL)
         ha->oem_id = OEM_ID_INTEL;
     else
         ha->oem_id = OEM_ID_ICP;
-    ha->brd_phys = (pcistr->pdev->bus->number << 8) | (pcistr->pdev->devfn & 0xf8);
-    ha->stype = (ulong32)pcistr->pdev->device;
-    ha->irq = pcistr->irq;
-    ha->pdev = pcistr->pdev;
+    ha->brd_phys = (pdev->bus->number << 8) | (pdev->devfn & 0xf8);
+    ha->stype = (ulong32)pdev->device;
+    ha->irq = pdev->irq;
+    ha->pdev = pdev;
     
     if (ha->pdev->device <= PCI_DEVICE_ID_VORTEX_GDT6000B) {  /* GDT6000/B */
         TRACE2(("init_pci() dpmem %lx irq %d\n",pcistr->dpmem,ha->irq));
@@ -956,8 +902,7 @@ static int __init gdth_init_pci(gdth_pci_str *pcistr,gdth_ha_str *ha)
                     continue;
                 }
                 iounmap(ha->brd);
-                pci_write_config_dword(pcistr->pdev, 
-                                       PCI_BASE_ADDRESS_0, i);
+		pci_write_config_dword(pdev, PCI_BASE_ADDRESS_0, i);
                 ha->brd = ioremap(i, sizeof(gdt6_dpram_str)); 
                 if (ha->brd == NULL) {
                     printk("GDT-PCI: Initialization error (DPMEM remap error)\n");
@@ -1066,8 +1011,7 @@ static int __init gdth_init_pci(gdth_pci_str *pcistr,gdth_ha_str *ha)
                     continue;
                 }
                 iounmap(ha->brd);
-                pci_write_config_dword(pcistr->pdev, 
-                                       PCI_BASE_ADDRESS_2, i);
+		pci_write_config_dword(pdev, PCI_BASE_ADDRESS_2, i);
                 ha->brd = ioremap(i, sizeof(gdt6c_dpram_str)); 
                 if (ha->brd == NULL) {
                     printk("GDT-PCI: Initialization error (DPMEM remap error)\n");
@@ -1159,16 +1103,16 @@ static int __init gdth_init_pci(gdth_pci_str *pcistr,gdth_ha_str *ha)
         }
 
         /* manipulate config. space to enable DPMEM, start RP controller */
-        pci_read_config_word(pcistr->pdev, PCI_COMMAND, &command);
+	pci_read_config_word(pdev, PCI_COMMAND, &command);
         command |= 6;
-        pci_write_config_word(pcistr->pdev, PCI_COMMAND, command);
-        if (pci_resource_start(pcistr->pdev, 8) == 1UL)
-            pci_resource_start(pcistr->pdev, 8) = 0UL;
+	pci_write_config_word(pdev, PCI_COMMAND, command);
+	if (pci_resource_start(pdev, 8) == 1UL)
+	    pci_resource_start(pdev, 8) = 0UL;
         i = 0xFEFF0001UL;
-        pci_write_config_dword(pcistr->pdev, PCI_ROM_ADDRESS, i);
+	pci_write_config_dword(pdev, PCI_ROM_ADDRESS, i);
         gdth_delay(1);
-        pci_write_config_dword(pcistr->pdev, PCI_ROM_ADDRESS,
-                               pci_resource_start(pcistr->pdev, 8));
+	pci_write_config_dword(pdev, PCI_ROM_ADDRESS,
+			       pci_resource_start(pdev, 8));
         
         dp6m_ptr = ha->brd;
 
@@ -1195,8 +1139,7 @@ static int __init gdth_init_pci(gdth_pci_str *pcistr,gdth_ha_str *ha)
                     continue;
                 }
                 iounmap(ha->brd);
-                pci_write_config_dword(pcistr->pdev, 
-                                       PCI_BASE_ADDRESS_0, i);
+		pci_write_config_dword(pdev, PCI_BASE_ADDRESS_0, i);
                 ha->brd = ioremap(i, sizeof(gdt6m_dpram_str)); 
                 if (ha->brd == NULL) {
                     printk("GDT-PCI: Initialization error (DPMEM remap error)\n");
@@ -2353,12 +2296,12 @@ static void gdth_next(gdth_ha_str *ha)
 static void gdth_copy_internal_data(gdth_ha_str *ha, Scsi_Cmnd *scp,
                                     char *buffer, ushort count)
 {
-    ushort cpcount,i, max_sg = gdth_sg_count(scp);
+    ushort cpcount,i, max_sg = scsi_sg_count(scp);
     ushort cpsum,cpnow;
     struct scatterlist *sl;
     char *address;
 
-    cpcount = min_t(ushort, count, gdth_bufflen(scp));
+    cpcount = min_t(ushort, count, scsi_bufflen(scp));
 
     if (cpcount) {
         cpsum=0;
@@ -2366,7 +2309,7 @@ static void gdth_copy_internal_data(gdth_ha_str *ha, Scsi_Cmnd *scp,
             unsigned long flags;
             cpnow = (ushort)sl->length;
             TRACE(("copy_internal() now %d sum %d count %d %d\n",
-                          cpnow, cpsum, cpcount, gdth_bufflen(scp)));
+                          cpnow, cpsum, cpcount, scsi_bufflen(scp)));
             if (cpsum+cpnow > cpcount) 
                 cpnow = cpcount - cpsum;
             cpsum += cpnow;
@@ -2589,10 +2532,10 @@ static int gdth_fill_cache_cmd(gdth_ha_str *ha, Scsi_Cmnd *scp, ushort hdrive)
             cmdp->u.cache.BlockCnt = blockcnt;
         }
 
-        if (gdth_bufflen(scp)) {
+        if (scsi_bufflen(scp)) {
             cmndinfo->dma_dir = (read_write == 1 ?
                 PCI_DMA_TODEVICE : PCI_DMA_FROMDEVICE);   
-            sgcnt = pci_map_sg(ha->pdev, gdth_sglist(scp), gdth_sg_count(scp),
+            sgcnt = pci_map_sg(ha->pdev, scsi_sglist(scp), scsi_sg_count(scp),
                                cmndinfo->dma_dir);
             if (mode64) {
                 struct scatterlist *sl;
@@ -2739,7 +2682,7 @@ static int gdth_fill_raw_cmd(gdth_ha_str *ha, Scsi_Cmnd *scp, unchar b)
             cmdp->u.raw64.lun        = l;
             cmdp->u.raw64.bus        = b;
             cmdp->u.raw64.priority   = 0;
-            cmdp->u.raw64.sdlen      = gdth_bufflen(scp);
+            cmdp->u.raw64.sdlen      = scsi_bufflen(scp);
             cmdp->u.raw64.sense_len  = 16;
             cmdp->u.raw64.sense_data = sense_paddr;
             cmdp->u.raw64.direction  = 
@@ -2756,7 +2699,7 @@ static int gdth_fill_raw_cmd(gdth_ha_str *ha, Scsi_Cmnd *scp, unchar b)
             cmdp->u.raw.bus        = b;
             cmdp->u.raw.priority   = 0;
             cmdp->u.raw.link_p     = 0;
-            cmdp->u.raw.sdlen      = gdth_bufflen(scp);
+            cmdp->u.raw.sdlen      = scsi_bufflen(scp);
             cmdp->u.raw.sense_len  = 16;
             cmdp->u.raw.sense_data = sense_paddr;
             cmdp->u.raw.direction  = 
@@ -2765,9 +2708,9 @@ static int gdth_fill_raw_cmd(gdth_ha_str *ha, Scsi_Cmnd *scp, unchar b)
             cmdp->u.raw.sg_ranz    = 0;
         }
 
-        if (gdth_bufflen(scp)) {
+        if (scsi_bufflen(scp)) {
             cmndinfo->dma_dir = PCI_DMA_BIDIRECTIONAL;
-            sgcnt = pci_map_sg(ha->pdev, gdth_sglist(scp), gdth_sg_count(scp),
+            sgcnt = pci_map_sg(ha->pdev, scsi_sglist(scp), scsi_sg_count(scp),
                                cmndinfo->dma_dir);
             if (mode64) {
                 struct scatterlist *sl;
@@ -3388,8 +3331,8 @@ static int gdth_sync_event(gdth_ha_str *ha, int service, unchar index,
             /* retry */
             return 2;
         }
-        if (gdth_bufflen(scp))
-            pci_unmap_sg(ha->pdev, gdth_sglist(scp), gdth_sg_count(scp),
+        if (scsi_bufflen(scp))
+            pci_unmap_sg(ha->pdev, scsi_sglist(scp), scsi_sg_count(scp),
                          cmndinfo->dma_dir);
 
         if (cmndinfo->sense_paddr)
@@ -4031,10 +3974,6 @@ static int gdth_queuecommand(struct scsi_cmnd *scp,
     gdth_update_timeout(scp, scp->timeout_per_command * 6);
     cmndinfo->priority = DEFAULT_PRI;
 
-    gdth_set_bufflen(scp, scsi_bufflen(scp));
-    gdth_set_sg_count(scp, scsi_sg_count(scp));
-    gdth_set_sglist(scp, scsi_sglist(scp));
-
     return __gdth_queuecommand(ha, scp, cmndinfo);
 }
 
@@ -4955,12 +4894,16 @@ static int __init gdth_eisa_probe_one(ushort eisa_slot)
 #endif /* CONFIG_EISA */
 
 #ifdef CONFIG_PCI
-static int __init gdth_pci_probe_one(gdth_pci_str *pcistr, int ctr)
+static int gdth_pci_probe_one(gdth_pci_str *pcistr,
+			     gdth_ha_str **ha_out)
 {
 	struct Scsi_Host *shp;
 	gdth_ha_str *ha;
 	dma_addr_t scratch_dma_handle = 0;
 	int error, i;
+	struct pci_dev *pdev = pcistr->pdev;
+
+	*ha_out = NULL;
 
 	shp = scsi_host_alloc(&gdth_template, sizeof(gdth_ha_str));
 	if (!shp)
@@ -4968,13 +4911,13 @@ static int __init gdth_pci_probe_one(gdth_pci_str *pcistr, int ctr)
 	ha = shost_priv(shp);
 
 	error = -ENODEV;
-	if (!gdth_init_pci(&pcistr[ctr],ha))
+	if (!gdth_init_pci(pdev, pcistr, ha))
 		goto out_host_put;
 
 	/* controller found and initialized */
 	printk("Configuring GDT-PCI HA at %d/%d IRQ %u\n",
-		pcistr[ctr].pdev->bus->number,
-		PCI_SLOT(pcistr[ctr].pdev->devfn),
+		pdev->bus->number,
+		PCI_SLOT(pdev->devfn),
 		ha->irq);
 
 	error = request_irq(ha->irq, gdth_interrupt,
@@ -5019,7 +4962,7 @@ static int __init gdth_pci_probe_one(gdth_pci_str *pcistr, int ctr)
 
 	ha->scratch_busy = FALSE;
 	ha->req_first = NULL;
-	ha->tid_cnt = pcistr[ctr].pdev->device >= 0x200 ? MAXID : MAX_HDRIVES;
+	ha->tid_cnt = pdev->device >= 0x200 ? MAXID : MAX_HDRIVES;
 	if (max_ids > 0 && max_ids < ha->tid_cnt)
 		ha->tid_cnt = max_ids;
 	for (i = 0; i < GDTH_MAXCMDS; ++i)
@@ -5039,16 +4982,16 @@ static int __init gdth_pci_probe_one(gdth_pci_str *pcistr, int ctr)
 	/* 64-bit DMA only supported from FW >= x.43 */
 	if (!(ha->cache_feat & ha->raw_feat & ha->screen_feat & GDT_64BIT) ||
 	    !ha->dma64_support) {
-		if (pci_set_dma_mask(pcistr[ctr].pdev, DMA_32BIT_MASK)) {
+		if (pci_set_dma_mask(pdev, DMA_32BIT_MASK)) {
 			printk(KERN_WARNING "GDT-PCI %d: "
 				"Unable to set 32-bit DMA\n", ha->hanum);
 				goto out_free_coal_stat;
 		}
 	} else {
 		shp->max_cmd_len = 16;
-		if (!pci_set_dma_mask(pcistr[ctr].pdev, DMA_64BIT_MASK)) {
+		if (!pci_set_dma_mask(pdev, DMA_64BIT_MASK)) {
 			printk("GDT-PCI %d: 64-bit DMA enabled\n", ha->hanum);
-		} else if (pci_set_dma_mask(pcistr[ctr].pdev, DMA_32BIT_MASK)) {
+		} else if (pci_set_dma_mask(pdev, DMA_32BIT_MASK)) {
 			printk(KERN_WARNING "GDT-PCI %d: "
 				"Unable to set 64/32-bit DMA\n", ha->hanum);
 			goto out_free_coal_stat;
@@ -5062,13 +5005,17 @@ static int __init gdth_pci_probe_one(gdth_pci_str *pcistr, int ctr)
 	spin_lock_init(&ha->smp_lock);
 	gdth_enable_int(ha);
 
-	error = scsi_add_host(shp, &pcistr[ctr].pdev->dev);
+	error = scsi_add_host(shp, &pdev->dev);
 	if (error)
 		goto out_free_coal_stat;
 	list_add_tail(&ha->list, &gdth_instances);
 
+	pci_set_drvdata(ha->pdev, ha);
+
 	scsi_scan_host(shp);
 
+	*ha_out = ha;
+
 	return 0;
 
  out_free_coal_stat:
@@ -5185,16 +5132,8 @@ static int __init gdth_init(void)
 
 #ifdef CONFIG_PCI
 	/* scanning for PCI controllers */
-	{
-		gdth_pci_str pcistr[MAXHA];
-		int cnt,ctr;
-
-		cnt = gdth_search_pci(pcistr);
-		printk("GDT-HA: Found %d PCI Storage RAID Controllers\n", cnt);
-		gdth_sort_pci(pcistr,cnt);
-		for (ctr = 0; ctr < cnt; ++ctr)
-			gdth_pci_probe_one(pcistr, ctr);
-	}
+	if (pci_register_driver(&gdth_pci_driver) == 0)
+		gdth_pci_registered = true;
 #endif /* CONFIG_PCI */
 
 	TRACE2(("gdth_detect() %d controller detected\n", gdth_ctr_count));
@@ -5227,6 +5166,11 @@ static void __exit gdth_exit(void)
 	del_timer_sync(&gdth_timer);
 #endif
 
+#ifdef CONFIG_PCI
+	if (gdth_pci_registered)
+		pci_unregister_driver(&gdth_pci_driver);
+#endif
+
 	list_for_each_entry(ha, &gdth_instances, list)
 		gdth_remove_one(ha);
 }
diff --git a/drivers/scsi/gdth.h b/drivers/scsi/gdth.h
index 26e4e92515e0..ca92476727cf 100644
--- a/drivers/scsi/gdth.h
+++ b/drivers/scsi/gdth.h
@@ -839,8 +839,6 @@ typedef struct {
     struct pci_dev      *pdev;
     ulong               dpmem;                  /* DPRAM address */
     ulong               io;                     /* IO address */
-    ulong               io_mm;                  /* IO address mem. mapped */
-    unchar              irq;                    /* IRQ */
 } gdth_pci_str;
 
 
diff --git a/drivers/scsi/gvp11.c b/drivers/scsi/gvp11.c
index 91f85226d08f..ca7363752401 100644
--- a/drivers/scsi/gvp11.c
+++ b/drivers/scsi/gvp11.c
@@ -322,6 +322,9 @@ int __init gvp11_detect(struct scsi_host_template *tpnt)
 	 */
 	regs.SASR = &(DMA(instance)->SASR);
 	regs.SCMD = &(DMA(instance)->SCMD);
+	HDATA(instance)->no_sync = 0xff;
+	HDATA(instance)->fast = 0;
+	HDATA(instance)->dma_mode = CTRL_DMA;
 	wd33c93_init(instance, regs, dma_setup, dma_stop,
 		     (epc & GVP_SCSICLKMASK) ? WD33C93_FS_8_10
 					     : WD33C93_FS_12_15);
diff --git a/drivers/scsi/hosts.c b/drivers/scsi/hosts.c
index ed7e0a1fc34d..1592640a87b5 100644
--- a/drivers/scsi/hosts.c
+++ b/drivers/scsi/hosts.c
@@ -347,7 +347,6 @@ struct Scsi_Host *scsi_host_alloc(struct scsi_host_template *sht, int privsize)
 	shost->unchecked_isa_dma = sht->unchecked_isa_dma;
 	shost->use_clustering = sht->use_clustering;
 	shost->ordered_tag = sht->ordered_tag;
-	shost->active_mode = sht->supported_mode;
 
 	if (sht->supported_mode == MODE_UNKNOWN)
 		/* means we didn't set it ... default to INITIATOR */
diff --git a/drivers/scsi/hptiop.c b/drivers/scsi/hptiop.c
index ff149ad6bc4e..beecda991682 100644
--- a/drivers/scsi/hptiop.c
+++ b/drivers/scsi/hptiop.c
@@ -338,7 +338,8 @@ static int iop_get_config_mv(struct hptiop_hba *hba,
 	req->header.size =
 		cpu_to_le32(sizeof(struct hpt_iop_request_get_config));
 	req->header.result = cpu_to_le32(IOP_RESULT_PENDING);
-	req->header.context = cpu_to_le64(IOP_REQUEST_TYPE_GET_CONFIG<<5);
+	req->header.context = cpu_to_le32(IOP_REQUEST_TYPE_GET_CONFIG<<5);
+	req->header.context_hi32 = 0;
 
 	if (iop_send_sync_request_mv(hba, 0, 20000)) {
 		dprintk("Get config send cmd failed\n");
@@ -392,7 +393,8 @@ static int iop_set_config_mv(struct hptiop_hba *hba,
 	req->header.size =
 		cpu_to_le32(sizeof(struct hpt_iop_request_set_config));
 	req->header.result = cpu_to_le32(IOP_RESULT_PENDING);
-	req->header.context = cpu_to_le64(IOP_REQUEST_TYPE_SET_CONFIG<<5);
+	req->header.context = cpu_to_le32(IOP_REQUEST_TYPE_SET_CONFIG<<5);
+	req->header.context_hi32 = 0;
 
 	if (iop_send_sync_request_mv(hba, 0, 20000)) {
 		dprintk("Set config send cmd failed\n");
@@ -903,7 +905,6 @@ static struct scsi_host_template driver_template = {
 	.eh_device_reset_handler    = hptiop_reset,
 	.eh_bus_reset_handler       = hptiop_reset,
 	.info                       = hptiop_info,
-	.unchecked_isa_dma          = 0,
 	.emulated                   = 0,
 	.use_clustering             = ENABLE_CLUSTERING,
 	.proc_name                  = driver_name,
diff --git a/drivers/scsi/initio.c b/drivers/scsi/initio.c
index 0cc8868ea35d..dbae3fdb8506 100644
--- a/drivers/scsi/initio.c
+++ b/drivers/scsi/initio.c
@@ -2581,8 +2581,8 @@ static void initio_build_scb(struct initio_host * host, struct scsi_ctrl_blk * c
 	/* Map the sense buffer into bus memory */
 	dma_addr = dma_map_single(&host->pci_dev->dev, cmnd->sense_buffer,
 				  SENSE_SIZE, DMA_FROM_DEVICE);
-	cblk->senseptr = cpu_to_le32((u32)dma_addr);
-	cblk->senselen = cpu_to_le32(SENSE_SIZE);
+	cblk->senseptr = (u32)dma_addr;
+	cblk->senselen = SENSE_SIZE;
 	cmnd->SCp.ptr = (char *)(unsigned long)dma_addr;
 	cblk->cdblen = cmnd->cmd_len;
 
@@ -2606,7 +2606,7 @@ static void initio_build_scb(struct initio_host * host, struct scsi_ctrl_blk * c
 		dma_addr = dma_map_single(&host->pci_dev->dev, &cblk->sglist[0],
 					  sizeof(struct sg_entry) * TOTAL_SG_ENTRY,
 					  DMA_BIDIRECTIONAL);
-		cblk->bufptr = cpu_to_le32((u32)dma_addr);
+		cblk->bufptr = (u32)dma_addr;
 		cmnd->SCp.dma_handle = dma_addr;
 
 		cblk->sglen = nseg;
@@ -2616,7 +2616,8 @@ static void initio_build_scb(struct initio_host * host, struct scsi_ctrl_blk * c
 		sg = &cblk->sglist[0];
 		scsi_for_each_sg(cmnd, sglist, cblk->sglen, i) {
 			sg->data = cpu_to_le32((u32)sg_dma_address(sglist));
-			total_len += sg->len = cpu_to_le32((u32)sg_dma_len(sglist));
+			sg->len = cpu_to_le32((u32)sg_dma_len(sglist));
+			total_len += sg_dma_len(sglist);
 			++sg;
 		}
 
diff --git a/drivers/scsi/ips.c b/drivers/scsi/ips.c
index 7ed568f180ae..7c615c70ec5c 100644
--- a/drivers/scsi/ips.c
+++ b/drivers/scsi/ips.c
@@ -2377,7 +2377,7 @@ ips_get_bios_version(ips_ha_t * ha, int intr)
 			if (inb(ha->io_addr + IPS_REG_FLDP) != 0x55)
 				return;
 
-			outl(cpu_to_le32(1), ha->io_addr + IPS_REG_FLAP);
+			outl(1, ha->io_addr + IPS_REG_FLAP);
 			if (ha->pcidev->revision == IPS_REVID_TROMBONE64)
 				udelay(25);	/* 25 us */
 
@@ -2385,21 +2385,21 @@ ips_get_bios_version(ips_ha_t * ha, int intr)
 				return;
 
 			/* Get Major version */
-			outl(cpu_to_le32(0x1FF), ha->io_addr + IPS_REG_FLAP);
+			outl(0x1FF, ha->io_addr + IPS_REG_FLAP);
 			if (ha->pcidev->revision == IPS_REVID_TROMBONE64)
 				udelay(25);	/* 25 us */
 
 			major = inb(ha->io_addr + IPS_REG_FLDP);
 
 			/* Get Minor version */
-			outl(cpu_to_le32(0x1FE), ha->io_addr + IPS_REG_FLAP);
+			outl(0x1FE, ha->io_addr + IPS_REG_FLAP);
 			if (ha->pcidev->revision == IPS_REVID_TROMBONE64)
 				udelay(25);	/* 25 us */
 
 			minor = inb(ha->io_addr + IPS_REG_FLDP);
 
 			/* Get SubMinor version */
-			outl(cpu_to_le32(0x1FD), ha->io_addr + IPS_REG_FLAP);
+			outl(0x1FD, ha->io_addr + IPS_REG_FLAP);
 			if (ha->pcidev->revision == IPS_REVID_TROMBONE64)
 				udelay(25);	/* 25 us */
 
@@ -3502,27 +3502,11 @@ ips_send_wait(ips_ha_t * ha, ips_scb_t * scb, int timeout, int intr)
 static void
 ips_scmd_buf_write(struct scsi_cmnd *scmd, void *data, unsigned int count)
 {
-        int i;
-        unsigned int min_cnt, xfer_cnt;
-        char *cdata = (char *) data;
-        unsigned char *buffer;
-        unsigned long flags;
-        struct scatterlist *sg = scsi_sglist(scmd);
-
-        for (i = 0, xfer_cnt = 0;
-             (i < scsi_sg_count(scmd)) && (xfer_cnt < count); i++) {
-                min_cnt = min(count - xfer_cnt, sg[i].length);
-
-                /* kmap_atomic() ensures addressability of the data buffer.*/
-                /* local_irq_save() protects the KM_IRQ0 address slot.     */
-                local_irq_save(flags);
-                buffer = kmap_atomic(sg_page(&sg[i]), KM_IRQ0) + sg[i].offset;
-                memcpy(buffer, &cdata[xfer_cnt], min_cnt);
-                kunmap_atomic(buffer - sg[i].offset, KM_IRQ0);
-                local_irq_restore(flags);
+	unsigned long flags;
 
-                xfer_cnt += min_cnt;
-        }
+	local_irq_save(flags);
+	scsi_sg_copy_from_buffer(scmd, data, count);
+	local_irq_restore(flags);
 }
 
 /****************************************************************************/
@@ -3535,27 +3519,11 @@ ips_scmd_buf_write(struct scsi_cmnd *scmd, void *data, unsigned int count)
 static void
 ips_scmd_buf_read(struct scsi_cmnd *scmd, void *data, unsigned int count)
 {
-        int i;
-        unsigned int min_cnt, xfer_cnt;
-        char *cdata = (char *) data;
-        unsigned char *buffer;
-        unsigned long flags;
-        struct scatterlist *sg = scsi_sglist(scmd);
-
-        for (i = 0, xfer_cnt = 0;
-             (i < scsi_sg_count(scmd)) && (xfer_cnt < count); i++) {
-                min_cnt = min(count - xfer_cnt, sg[i].length);
-
-                /* kmap_atomic() ensures addressability of the data buffer.*/
-                /* local_irq_save() protects the KM_IRQ0 address slot.     */
-                local_irq_save(flags);
-                buffer = kmap_atomic(sg_page(&sg[i]), KM_IRQ0) + sg[i].offset;
-                memcpy(&cdata[xfer_cnt], buffer, min_cnt);
-                kunmap_atomic(buffer - sg[i].offset, KM_IRQ0);
-                local_irq_restore(flags);
+	unsigned long flags;
 
-                xfer_cnt += min_cnt;
-        }
+	local_irq_save(flags);
+	scsi_sg_copy_to_buffer(scmd, data, count);
+	local_irq_restore(flags);
 }
 
 /****************************************************************************/
@@ -3696,9 +3664,7 @@ ips_send_cmd(ips_ha_t * ha, ips_scb_t * scb)
 			scb->cmd.basic_io.sg_count = scb->sg_len;
 
 			if (scb->cmd.basic_io.lba)
-				scb->cmd.basic_io.lba =
-				    cpu_to_le32(le32_to_cpu
-						(scb->cmd.basic_io.lba) +
+				le32_add_cpu(&scb->cmd.basic_io.lba,
 						le16_to_cpu(scb->cmd.basic_io.
 							    sector_count));
 			else
@@ -3744,9 +3710,7 @@ ips_send_cmd(ips_ha_t * ha, ips_scb_t * scb)
 			scb->cmd.basic_io.sg_count = scb->sg_len;
 
 			if (scb->cmd.basic_io.lba)
-				scb->cmd.basic_io.lba =
-				    cpu_to_le32(le32_to_cpu
-						(scb->cmd.basic_io.lba) +
+				le32_add_cpu(&scb->cmd.basic_io.lba,
 						le16_to_cpu(scb->cmd.basic_io.
 							    sector_count));
 			else
@@ -4888,7 +4852,7 @@ ips_init_copperhead(ips_ha_t * ha)
 		return (0);
 
 	/* setup CCCR */
-	outl(cpu_to_le32(0x1010), ha->io_addr + IPS_REG_CCCR);
+	outl(0x1010, ha->io_addr + IPS_REG_CCCR);
 
 	/* Enable busmastering */
 	outb(IPS_BIT_EBM, ha->io_addr + IPS_REG_SCPR);
@@ -5270,12 +5234,12 @@ ips_statinit(ips_ha_t * ha)
 	ha->adapt->p_status_tail = ha->adapt->status;
 
 	phys_status_start = ha->adapt->hw_status_start;
-	outl(cpu_to_le32(phys_status_start), ha->io_addr + IPS_REG_SQSR);
-	outl(cpu_to_le32(phys_status_start + IPS_STATUS_Q_SIZE),
+	outl(phys_status_start, ha->io_addr + IPS_REG_SQSR);
+	outl(phys_status_start + IPS_STATUS_Q_SIZE,
 	     ha->io_addr + IPS_REG_SQER);
-	outl(cpu_to_le32(phys_status_start + IPS_STATUS_SIZE),
+	outl(phys_status_start + IPS_STATUS_SIZE,
 	     ha->io_addr + IPS_REG_SQHR);
-	outl(cpu_to_le32(phys_status_start), ha->io_addr + IPS_REG_SQTR);
+	outl(phys_status_start, ha->io_addr + IPS_REG_SQTR);
 
 	ha->adapt->hw_status_tail = phys_status_start;
 }
@@ -5332,7 +5296,7 @@ ips_statupd_copperhead(ips_ha_t * ha)
 		ha->adapt->hw_status_tail = ha->adapt->hw_status_start;
 	}
 
-	outl(cpu_to_le32(ha->adapt->hw_status_tail),
+	outl(ha->adapt->hw_status_tail,
 	     ha->io_addr + IPS_REG_SQTR);
 
 	return (ha->adapt->p_status_tail->value);
@@ -5434,8 +5398,8 @@ ips_issue_copperhead(ips_ha_t * ha, ips_scb_t * scb)
 		}		/* end if */
 	}			/* end while */
 
-	outl(cpu_to_le32(scb->scb_busaddr), ha->io_addr + IPS_REG_CCSAR);
-	outw(cpu_to_le32(IPS_BIT_START_CMD), ha->io_addr + IPS_REG_CCCR);
+	outl(scb->scb_busaddr, ha->io_addr + IPS_REG_CCSAR);
+	outw(IPS_BIT_START_CMD, ha->io_addr + IPS_REG_CCCR);
 
 	return (IPS_SUCCESS);
 }
@@ -5520,7 +5484,7 @@ ips_issue_i2o(ips_ha_t * ha, ips_scb_t * scb)
 			  ips_name, ha->host_num, scb->cmd.basic_io.command_id);
 	}
 
-	outl(cpu_to_le32(scb->scb_busaddr), ha->io_addr + IPS_REG_I2O_INMSGQ);
+	outl(scb->scb_busaddr, ha->io_addr + IPS_REG_I2O_INMSGQ);
 
 	return (IPS_SUCCESS);
 }
@@ -6412,7 +6376,7 @@ ips_program_bios(ips_ha_t * ha, char *buffer, uint32_t buffersize,
 
 	for (i = 0; i < buffersize; i++) {
 		/* write a byte */
-		outl(cpu_to_le32(i + offset), ha->io_addr + IPS_REG_FLAP);
+		outl(i + offset, ha->io_addr + IPS_REG_FLAP);
 		if (ha->pcidev->revision == IPS_REVID_TROMBONE64)
 			udelay(25);	/* 25 us */
 
@@ -6597,7 +6561,7 @@ ips_verify_bios(ips_ha_t * ha, char *buffer, uint32_t buffersize,
 	if (inb(ha->io_addr + IPS_REG_FLDP) != 0x55)
 		return (1);
 
-	outl(cpu_to_le32(1), ha->io_addr + IPS_REG_FLAP);
+	outl(1, ha->io_addr + IPS_REG_FLAP);
 	if (ha->pcidev->revision == IPS_REVID_TROMBONE64)
 		udelay(25);	/* 25 us */
 	if (inb(ha->io_addr + IPS_REG_FLDP) != 0xAA)
@@ -6606,7 +6570,7 @@ ips_verify_bios(ips_ha_t * ha, char *buffer, uint32_t buffersize,
 	checksum = 0xff;
 	for (i = 2; i < buffersize; i++) {
 
-		outl(cpu_to_le32(i + offset), ha->io_addr + IPS_REG_FLAP);
+		outl(i + offset, ha->io_addr + IPS_REG_FLAP);
 		if (ha->pcidev->revision == IPS_REVID_TROMBONE64)
 			udelay(25);	/* 25 us */
 
@@ -6842,7 +6806,6 @@ ips_register_scsi(int index)
 	sh->sg_tablesize = sh->hostt->sg_tablesize;
 	sh->can_queue = sh->hostt->can_queue;
 	sh->cmd_per_lun = sh->hostt->cmd_per_lun;
-	sh->unchecked_isa_dma = sh->hostt->unchecked_isa_dma;
 	sh->use_clustering = sh->hostt->use_clustering;
 	sh->max_sectors = 128;
 
diff --git a/drivers/scsi/iscsi_tcp.c b/drivers/scsi/iscsi_tcp.c
index 8a178674cb18..72b9b2a0eba3 100644
--- a/drivers/scsi/iscsi_tcp.c
+++ b/drivers/scsi/iscsi_tcp.c
@@ -528,6 +528,7 @@ iscsi_data_rsp(struct iscsi_conn *conn, struct iscsi_cmd_task *ctask)
 	struct iscsi_session *session = conn->session;
 	struct scsi_cmnd *sc = ctask->sc;
 	int datasn = be32_to_cpu(rhdr->datasn);
+	unsigned total_in_length = scsi_in(sc)->length;
 
 	iscsi_update_cmdsn(session, (struct iscsi_nopin*)rhdr);
 	if (tcp_conn->in.datalen == 0)
@@ -542,10 +543,10 @@ iscsi_data_rsp(struct iscsi_conn *conn, struct iscsi_cmd_task *ctask)
 	tcp_ctask->exp_datasn++;
 
 	tcp_ctask->data_offset = be32_to_cpu(rhdr->offset);
-	if (tcp_ctask->data_offset + tcp_conn->in.datalen > scsi_bufflen(sc)) {
+	if (tcp_ctask->data_offset + tcp_conn->in.datalen > total_in_length) {
 		debug_tcp("%s: data_offset(%d) + data_len(%d) > total_length_in(%d)\n",
 		          __FUNCTION__, tcp_ctask->data_offset,
-		          tcp_conn->in.datalen, scsi_bufflen(sc));
+		          tcp_conn->in.datalen, total_in_length);
 		return ISCSI_ERR_DATA_OFFSET;
 	}
 
@@ -558,8 +559,8 @@ iscsi_data_rsp(struct iscsi_conn *conn, struct iscsi_cmd_task *ctask)
 
 			if (res_count > 0 &&
 			    (rhdr->flags & ISCSI_FLAG_CMD_OVERFLOW ||
-			     res_count <= scsi_bufflen(sc)))
-				scsi_set_resid(sc, res_count);
+			     res_count <= total_in_length))
+				scsi_in(sc)->resid = res_count;
 			else
 				sc->result = (DID_BAD_TARGET << 16) |
 					rhdr->cmd_status;
@@ -670,11 +671,11 @@ iscsi_r2t_rsp(struct iscsi_conn *conn, struct iscsi_cmd_task *ctask)
 			    r2t->data_length, session->max_burst);
 
 	r2t->data_offset = be32_to_cpu(rhdr->data_offset);
-	if (r2t->data_offset + r2t->data_length > scsi_bufflen(ctask->sc)) {
+	if (r2t->data_offset + r2t->data_length > scsi_out(ctask->sc)->length) {
 		iscsi_conn_printk(KERN_ERR, conn,
 				  "invalid R2T with data len %u at offset %u "
 				  "and total length %d\n", r2t->data_length,
-				  r2t->data_offset, scsi_bufflen(ctask->sc));
+				  r2t->data_offset, scsi_out(ctask->sc)->length);
 		__kfifo_put(tcp_ctask->r2tpool.queue, (void*)&r2t,
 			    sizeof(void*));
 		return ISCSI_ERR_DATALEN;
@@ -771,6 +772,7 @@ iscsi_tcp_hdr_dissect(struct iscsi_conn *conn, struct iscsi_hdr *hdr)
 		if (tcp_conn->in.datalen) {
 			struct iscsi_tcp_cmd_task *tcp_ctask = ctask->dd_data;
 			struct hash_desc *rx_hash = NULL;
+			struct scsi_data_buffer *sdb = scsi_in(ctask->sc);
 
 			/*
 			 * Setup copy of Data-In into the Scsi_Cmnd
@@ -788,8 +790,8 @@ iscsi_tcp_hdr_dissect(struct iscsi_conn *conn, struct iscsi_hdr *hdr)
 				  tcp_ctask->data_offset,
 				  tcp_conn->in.datalen);
 			return iscsi_segment_seek_sg(&tcp_conn->in.segment,
-						     scsi_sglist(ctask->sc),
-						     scsi_sg_count(ctask->sc),
+						     sdb->table.sgl,
+						     sdb->table.nents,
 						     tcp_ctask->data_offset,
 						     tcp_conn->in.datalen,
 						     iscsi_tcp_process_data_in,
@@ -1332,7 +1334,8 @@ iscsi_tcp_ctask_init(struct iscsi_cmd_task *ctask)
 		return 0;
 
 	/* If we have immediate data, attach a payload */
-	err = iscsi_tcp_send_data_prep(conn, scsi_sglist(sc), scsi_sg_count(sc),
+	err = iscsi_tcp_send_data_prep(conn, scsi_out(sc)->table.sgl,
+				       scsi_out(sc)->table.nents,
 				       0, ctask->imm_count);
 	if (err)
 		return err;
@@ -1386,6 +1389,7 @@ iscsi_tcp_ctask_xmit(struct iscsi_conn *conn, struct iscsi_cmd_task *ctask)
 {
 	struct iscsi_tcp_cmd_task *tcp_ctask = ctask->dd_data;
 	struct scsi_cmnd *sc = ctask->sc;
+	struct scsi_data_buffer *sdb = scsi_out(sc);
 	int rc = 0;
 
 flush:
@@ -1412,9 +1416,8 @@ flush:
 				ctask->itt, tcp_ctask->sent, ctask->data_count);
 
 		iscsi_tcp_send_hdr_prep(conn, hdr, sizeof(*hdr));
-		rc = iscsi_tcp_send_data_prep(conn, scsi_sglist(sc),
-					      scsi_sg_count(sc),
-					      tcp_ctask->sent,
+		rc = iscsi_tcp_send_data_prep(conn, sdb->table.sgl,
+					      sdb->table.nents, tcp_ctask->sent,
 					      ctask->data_count);
 		if (rc)
 			goto fail;
@@ -1460,8 +1463,8 @@ flush:
 		iscsi_tcp_send_hdr_prep(conn, &r2t->dtask.hdr,
 					sizeof(struct iscsi_hdr));
 
-		rc = iscsi_tcp_send_data_prep(conn, scsi_sglist(sc),
-					      scsi_sg_count(sc),
+		rc = iscsi_tcp_send_data_prep(conn, sdb->table.sgl,
+					      sdb->table.nents,
 					      r2t->data_offset + r2t->sent,
 					      r2t->data_count);
 		if (rc)
diff --git a/drivers/scsi/libiscsi.c b/drivers/scsi/libiscsi.c
index bdd7de7da39a..010c1b9b178c 100644
--- a/drivers/scsi/libiscsi.c
+++ b/drivers/scsi/libiscsi.c
@@ -137,6 +137,70 @@ static int iscsi_add_hdr(struct iscsi_cmd_task *ctask, unsigned len)
 	return 0;
 }
 
+/*
+ * make an extended cdb AHS
+ */
+static int iscsi_prep_ecdb_ahs(struct iscsi_cmd_task *ctask)
+{
+	struct scsi_cmnd *cmd = ctask->sc;
+	unsigned rlen, pad_len;
+	unsigned short ahslength;
+	struct iscsi_ecdb_ahdr *ecdb_ahdr;
+	int rc;
+
+	ecdb_ahdr = iscsi_next_hdr(ctask);
+	rlen = cmd->cmd_len - ISCSI_CDB_SIZE;
+
+	BUG_ON(rlen > sizeof(ecdb_ahdr->ecdb));
+	ahslength = rlen + sizeof(ecdb_ahdr->reserved);
+
+	pad_len = iscsi_padding(rlen);
+
+	rc = iscsi_add_hdr(ctask, sizeof(ecdb_ahdr->ahslength) +
+	                   sizeof(ecdb_ahdr->ahstype) + ahslength + pad_len);
+	if (rc)
+		return rc;
+
+	if (pad_len)
+		memset(&ecdb_ahdr->ecdb[rlen], 0, pad_len);
+
+	ecdb_ahdr->ahslength = cpu_to_be16(ahslength);
+	ecdb_ahdr->ahstype = ISCSI_AHSTYPE_CDB;
+	ecdb_ahdr->reserved = 0;
+	memcpy(ecdb_ahdr->ecdb, cmd->cmnd + ISCSI_CDB_SIZE, rlen);
+
+	debug_scsi("iscsi_prep_ecdb_ahs: varlen_cdb_len %d "
+		   "rlen %d pad_len %d ahs_length %d iscsi_headers_size %u\n",
+		   cmd->cmd_len, rlen, pad_len, ahslength, ctask->hdr_len);
+
+	return 0;
+}
+
+static int iscsi_prep_bidi_ahs(struct iscsi_cmd_task *ctask)
+{
+	struct scsi_cmnd *sc = ctask->sc;
+	struct iscsi_rlength_ahdr *rlen_ahdr;
+	int rc;
+
+	rlen_ahdr = iscsi_next_hdr(ctask);
+	rc = iscsi_add_hdr(ctask, sizeof(*rlen_ahdr));
+	if (rc)
+		return rc;
+
+	rlen_ahdr->ahslength =
+		cpu_to_be16(sizeof(rlen_ahdr->read_length) +
+						  sizeof(rlen_ahdr->reserved));
+	rlen_ahdr->ahstype = ISCSI_AHSTYPE_RLENGTH;
+	rlen_ahdr->reserved = 0;
+	rlen_ahdr->read_length = cpu_to_be32(scsi_in(sc)->length);
+
+	debug_scsi("bidi-in rlen_ahdr->read_length(%d) "
+		   "rlen_ahdr->ahslength(%d)\n",
+		   be32_to_cpu(rlen_ahdr->read_length),
+		   be16_to_cpu(rlen_ahdr->ahslength));
+	return 0;
+}
+
 /**
  * iscsi_prep_scsi_cmd_pdu - prep iscsi scsi cmd pdu
  * @ctask: iscsi cmd task
@@ -150,7 +214,7 @@ static int iscsi_prep_scsi_cmd_pdu(struct iscsi_cmd_task *ctask)
 	struct iscsi_session *session = conn->session;
 	struct iscsi_cmd *hdr = ctask->hdr;
 	struct scsi_cmnd *sc = ctask->sc;
-	unsigned hdrlength;
+	unsigned hdrlength, cmd_len;
 	int rc;
 
 	ctask->hdr_len = 0;
@@ -161,17 +225,30 @@ static int iscsi_prep_scsi_cmd_pdu(struct iscsi_cmd_task *ctask)
 	hdr->flags = ISCSI_ATTR_SIMPLE;
 	int_to_scsilun(sc->device->lun, (struct scsi_lun *)hdr->lun);
 	hdr->itt = build_itt(ctask->itt, session->age);
-	hdr->data_length = cpu_to_be32(scsi_bufflen(sc));
 	hdr->cmdsn = cpu_to_be32(session->cmdsn);
 	session->cmdsn++;
 	hdr->exp_statsn = cpu_to_be32(conn->exp_statsn);
-	memcpy(hdr->cdb, sc->cmnd, sc->cmd_len);
-	if (sc->cmd_len < MAX_COMMAND_SIZE)
-		memset(&hdr->cdb[sc->cmd_len], 0,
-			MAX_COMMAND_SIZE - sc->cmd_len);
+	cmd_len = sc->cmd_len;
+	if (cmd_len < ISCSI_CDB_SIZE)
+		memset(&hdr->cdb[cmd_len], 0, ISCSI_CDB_SIZE - cmd_len);
+	else if (cmd_len > ISCSI_CDB_SIZE) {
+		rc = iscsi_prep_ecdb_ahs(ctask);
+		if (rc)
+			return rc;
+		cmd_len = ISCSI_CDB_SIZE;
+	}
+	memcpy(hdr->cdb, sc->cmnd, cmd_len);
 
 	ctask->imm_count = 0;
+	if (scsi_bidi_cmnd(sc)) {
+		hdr->flags |= ISCSI_FLAG_CMD_READ;
+		rc = iscsi_prep_bidi_ahs(ctask);
+		if (rc)
+			return rc;
+	}
 	if (sc->sc_data_direction == DMA_TO_DEVICE) {
+		unsigned out_len = scsi_out(sc)->length;
+		hdr->data_length = cpu_to_be32(out_len);
 		hdr->flags |= ISCSI_FLAG_CMD_WRITE;
 		/*
 		 * Write counters:
@@ -192,19 +269,19 @@ static int iscsi_prep_scsi_cmd_pdu(struct iscsi_cmd_task *ctask)
 		ctask->unsol_datasn = 0;
 
 		if (session->imm_data_en) {
-			if (scsi_bufflen(sc) >= session->first_burst)
+			if (out_len >= session->first_burst)
 				ctask->imm_count = min(session->first_burst,
 							conn->max_xmit_dlength);
 			else
-				ctask->imm_count = min(scsi_bufflen(sc),
+				ctask->imm_count = min(out_len,
 							conn->max_xmit_dlength);
 			hton24(hdr->dlength, ctask->imm_count);
 		} else
 			zero_data(hdr->dlength);
 
 		if (!session->initial_r2t_en) {
-			ctask->unsol_count = min((session->first_burst),
-				(scsi_bufflen(sc))) - ctask->imm_count;
+			ctask->unsol_count = min(session->first_burst, out_len)
+							     - ctask->imm_count;
 			ctask->unsol_offset = ctask->imm_count;
 		}
 
@@ -214,6 +291,7 @@ static int iscsi_prep_scsi_cmd_pdu(struct iscsi_cmd_task *ctask)
 	} else {
 		hdr->flags |= ISCSI_FLAG_CMD_FINAL;
 		zero_data(hdr->dlength);
+		hdr->data_length = cpu_to_be32(scsi_in(sc)->length);
 
 		if (sc->sc_data_direction == DMA_FROM_DEVICE)
 			hdr->flags |= ISCSI_FLAG_CMD_READ;
@@ -232,10 +310,12 @@ static int iscsi_prep_scsi_cmd_pdu(struct iscsi_cmd_task *ctask)
 		return EIO;
 
 	conn->scsicmd_pdus_cnt++;
-	debug_scsi("iscsi prep [%s cid %d sc %p cdb 0x%x itt 0x%x len %d "
-		"cmdsn %d win %d]\n",
-		sc->sc_data_direction == DMA_TO_DEVICE ? "write" : "read",
-		conn->id, sc, sc->cmnd[0], ctask->itt, scsi_bufflen(sc),
+	debug_scsi("iscsi prep [%s cid %d sc %p cdb 0x%x itt 0x%x "
+		"len %d bidi_len %d cmdsn %d win %d]\n",
+		scsi_bidi_cmnd(sc) ? "bidirectional" :
+		     sc->sc_data_direction == DMA_TO_DEVICE ? "write" : "read",
+		conn->id, sc, sc->cmnd[0], ctask->itt,
+		scsi_bufflen(sc), scsi_bidi_cmnd(sc) ? scsi_in(sc)->length : 0,
 		session->cmdsn, session->max_cmdsn - session->exp_cmdsn + 1);
 	return 0;
 }
@@ -298,7 +378,12 @@ static void fail_command(struct iscsi_conn *conn, struct iscsi_cmd_task *ctask,
 		conn->session->tt->cleanup_cmd_task(conn, ctask);
 
 	sc->result = err;
-	scsi_set_resid(sc, scsi_bufflen(sc));
+	if (!scsi_bidi_cmnd(sc))
+		scsi_set_resid(sc, scsi_bufflen(sc));
+	else {
+		scsi_out(sc)->resid = scsi_out(sc)->length;
+		scsi_in(sc)->resid = scsi_in(sc)->length;
+	}
 	if (conn->ctask == ctask)
 		conn->ctask = NULL;
 	/* release ref from queuecommand */
@@ -433,6 +518,18 @@ invalid_datalen:
 			   min_t(uint16_t, senselen, SCSI_SENSE_BUFFERSIZE));
 	}
 
+	if (rhdr->flags & (ISCSI_FLAG_CMD_BIDI_UNDERFLOW |
+			   ISCSI_FLAG_CMD_BIDI_OVERFLOW)) {
+		int res_count = be32_to_cpu(rhdr->bi_residual_count);
+
+		if (scsi_bidi_cmnd(sc) && res_count > 0 &&
+				(rhdr->flags & ISCSI_FLAG_CMD_BIDI_OVERFLOW ||
+				 res_count <= scsi_in(sc)->length))
+			scsi_in(sc)->resid = res_count;
+		else
+			sc->result = (DID_BAD_TARGET << 16) | rhdr->cmd_status;
+	}
+
 	if (rhdr->flags & (ISCSI_FLAG_CMD_UNDERFLOW |
 	                   ISCSI_FLAG_CMD_OVERFLOW)) {
 		int res_count = be32_to_cpu(rhdr->residual_count);
@@ -440,13 +537,11 @@ invalid_datalen:
 		if (res_count > 0 &&
 		    (rhdr->flags & ISCSI_FLAG_CMD_OVERFLOW ||
 		     res_count <= scsi_bufflen(sc)))
+			/* write side for bidi or uni-io set_resid */
 			scsi_set_resid(sc, res_count);
 		else
 			sc->result = (DID_BAD_TARGET << 16) | rhdr->cmd_status;
-	} else if (rhdr->flags & (ISCSI_FLAG_CMD_BIDI_UNDERFLOW |
-	                          ISCSI_FLAG_CMD_BIDI_OVERFLOW))
-		sc->result = (DID_BAD_TARGET << 16) | rhdr->cmd_status;
-
+	}
 out:
 	debug_scsi("done [sc %lx res %d itt 0x%x]\n",
 		   (long)sc, sc->result, ctask->itt);
@@ -1102,7 +1197,12 @@ reject:
 fault:
 	spin_unlock(&session->lock);
 	debug_scsi("iscsi: cmd 0x%x is not queued (%d)\n", sc->cmnd[0], reason);
-	scsi_set_resid(sc, scsi_bufflen(sc));
+	if (!scsi_bidi_cmnd(sc))
+		scsi_set_resid(sc, scsi_bufflen(sc));
+	else {
+		scsi_out(sc)->resid = scsi_out(sc)->length;
+		scsi_in(sc)->resid = scsi_in(sc)->length;
+	}
 	sc->scsi_done(sc);
 	spin_lock(host->host_lock);
 	return 0;
diff --git a/drivers/scsi/libsas/sas_ata.c b/drivers/scsi/libsas/sas_ata.c
index a4811e4106df..744f06d04a36 100644
--- a/drivers/scsi/libsas/sas_ata.c
+++ b/drivers/scsi/libsas/sas_ata.c
@@ -691,7 +691,7 @@ static int sas_discover_sata_dev(struct domain_device *dev)
 		/* incomplete response */
 		SAS_DPRINTK("sending SET FEATURE/PUP_STBY_SPIN_UP to "
 			    "dev %llx\n", SAS_ADDR(dev->sas_addr));
-		if (!le16_to_cpu(identify_x[83] & (1<<6)))
+		if (!(identify_x[83] & cpu_to_le16(1<<6)))
 			goto cont1;
 		res = sas_issue_ata_cmd(dev, ATA_SET_FEATURES,
 					ATA_FEATURE_PUP_STBY_SPIN_UP,
diff --git a/drivers/scsi/libsas/sas_scsi_host.c b/drivers/scsi/libsas/sas_scsi_host.c
index 1f8241563c6c..601ec5b6a7f6 100644
--- a/drivers/scsi/libsas/sas_scsi_host.c
+++ b/drivers/scsi/libsas/sas_scsi_host.c
@@ -24,6 +24,8 @@
  */
 
 #include <linux/kthread.h>
+#include <linux/firmware.h>
+#include <linux/ctype.h>
 
 #include "sas_internal.h"
 
@@ -1064,6 +1066,45 @@ void sas_target_destroy(struct scsi_target *starget)
 	return;
 }
 
+static void sas_parse_addr(u8 *sas_addr, const char *p)
+{
+	int i;
+	for (i = 0; i < SAS_ADDR_SIZE; i++) {
+		u8 h, l;
+		if (!*p)
+			break;
+		h = isdigit(*p) ? *p-'0' : toupper(*p)-'A'+10;
+		p++;
+		l = isdigit(*p) ? *p-'0' : toupper(*p)-'A'+10;
+		p++;
+		sas_addr[i] = (h<<4) | l;
+	}
+}
+
+#define SAS_STRING_ADDR_SIZE	16
+
+int sas_request_addr(struct Scsi_Host *shost, u8 *addr)
+{
+	int res;
+	const struct firmware *fw;
+
+	res = request_firmware(&fw, "sas_addr", &shost->shost_gendev);
+	if (res)
+		return res;
+
+	if (fw->size < SAS_STRING_ADDR_SIZE) {
+		res = -ENODEV;
+		goto out;
+	}
+
+	sas_parse_addr(addr, fw->data);
+
+out:
+	release_firmware(fw);
+	return res;
+}
+EXPORT_SYMBOL_GPL(sas_request_addr);
+
 EXPORT_SYMBOL_GPL(sas_queuecommand);
 EXPORT_SYMBOL_GPL(sas_target_alloc);
 EXPORT_SYMBOL_GPL(sas_slave_configure);
diff --git a/drivers/scsi/lpfc/lpfc.h b/drivers/scsi/lpfc/lpfc.h
index 2ab2d24dcc15..ec0b0f6e5e1a 100644
--- a/drivers/scsi/lpfc/lpfc.h
+++ b/drivers/scsi/lpfc/lpfc.h
@@ -23,7 +23,7 @@
 
 struct lpfc_sli2_slim;
 
-#define LPFC_MAX_TARGET		256	/* max number of targets supported */
+#define LPFC_MAX_TARGET		4096	/* max number of targets supported */
 #define LPFC_MAX_DISC_THREADS	64	/* max outstanding discovery els
 					   requests */
 #define LPFC_MAX_NS_RETRY	3	/* Number of retry attempts to contact
@@ -268,7 +268,6 @@ struct lpfc_vport {
 #define FC_NLP_MORE             0x40	 /* More node to process in node tbl */
 #define FC_OFFLINE_MODE         0x80	 /* Interface is offline for diag */
 #define FC_FABRIC               0x100	 /* We are fabric attached */
-#define FC_ESTABLISH_LINK       0x200	 /* Reestablish Link */
 #define FC_RSCN_DISCOVERY       0x400	 /* Auth all devices after RSCN */
 #define FC_SCSI_SCAN_TMO        0x4000	 /* scsi scan timer running */
 #define FC_ABORT_DISCOVERY      0x8000	 /* we want to abort discovery */
@@ -433,8 +432,6 @@ struct lpfc_hba {
 
 	uint32_t fc_eventTag;	/* event tag for link attention */
 
-
-	struct timer_list fc_estabtmo;	/* link establishment timer */
 	/* These fields used to be binfo */
 	uint32_t fc_pref_DID;	/* preferred D_ID */
 	uint8_t  fc_pref_ALPA;	/* preferred AL_PA */
diff --git a/drivers/scsi/lpfc/lpfc_attr.c b/drivers/scsi/lpfc/lpfc_attr.c
index b12a841703ca..74c9fc204211 100644
--- a/drivers/scsi/lpfc/lpfc_attr.c
+++ b/drivers/scsi/lpfc/lpfc_attr.c
@@ -1954,7 +1954,9 @@ sysfs_mbox_read(struct kobject *kobj, struct bin_attribute *bin_attr,
 			(phba->sysfs_mbox.mbox->mb.mbxCommand !=
 				MBX_DUMP_MEMORY &&
 			 phba->sysfs_mbox.mbox->mb.mbxCommand !=
-				MBX_RESTART)) {
+				MBX_RESTART &&
+			 phba->sysfs_mbox.mbox->mb.mbxCommand !=
+				MBX_WRITE_VPARMS)) {
 			sysfs_mbox_idle(phba);
 			spin_unlock_irq(&phba->hbalock);
 			return -EPERM;
@@ -1962,7 +1964,11 @@ sysfs_mbox_read(struct kobject *kobj, struct bin_attribute *bin_attr,
 
 		phba->sysfs_mbox.mbox->vport = vport;
 
-		if (phba->sli.sli_flag & LPFC_BLOCK_MGMT_IO) {
+		/* Don't allow mailbox commands to be sent when blocked
+		 * or when in the middle of discovery
+		 */
+		if (phba->sli.sli_flag & LPFC_BLOCK_MGMT_IO ||
+		    vport->fc_flag & FC_NDISC_ACTIVE) {
 			sysfs_mbox_idle(phba);
 			spin_unlock_irq(&phba->hbalock);
 			return  -EAGAIN;
diff --git a/drivers/scsi/lpfc/lpfc_ct.c b/drivers/scsi/lpfc/lpfc_ct.c
index 3d0ccd9b341d..153afae567b5 100644
--- a/drivers/scsi/lpfc/lpfc_ct.c
+++ b/drivers/scsi/lpfc/lpfc_ct.c
@@ -63,7 +63,7 @@ lpfc_ct_ignore_hbq_buffer(struct lpfc_hba *phba, struct lpfc_iocbq *piocbq,
 {
 	if (!mp) {
 		lpfc_printf_log(phba, KERN_INFO, LOG_ELS,
-				"0146 Ignoring unsolicted CT No HBQ "
+				"0146 Ignoring unsolicited CT No HBQ "
 				"status = x%x\n",
 				piocbq->iocb.ulpStatus);
 	}
@@ -438,7 +438,7 @@ lpfc_ns_rsp(struct lpfc_vport *vport, struct lpfc_dmabuf *mp, uint32_t Size)
 				    (!(vport->ct_flags & FC_CT_RFF_ID)) ||
 				    (!vport->cfg_restrict_login)) {
 					ndlp = lpfc_setup_disc_node(vport, Did);
-					if (ndlp) {
+					if (ndlp && NLP_CHK_NODE_ACT(ndlp)) {
 						lpfc_debugfs_disc_trc(vport,
 						LPFC_DISC_TRC_CT,
 						"Parse GID_FTrsp: "
@@ -543,7 +543,7 @@ lpfc_cmpl_ct_cmd_gid_ft(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
 	struct lpfc_dmabuf *outp;
 	struct lpfc_sli_ct_request *CTrsp;
 	struct lpfc_nodelist *ndlp;
-	int rc, retry;
+	int rc;
 
 	/* First save ndlp, before we overwrite it */
 	ndlp = cmdiocb->context_un.ndlp;
@@ -563,45 +563,29 @@ lpfc_cmpl_ct_cmd_gid_ft(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
 	if (vport->load_flag & FC_UNLOADING)
 		goto out;
 
-	if (lpfc_els_chk_latt(vport) || lpfc_error_lost_link(irsp)) {
+	if (lpfc_els_chk_latt(vport)) {
 		lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
 				 "0216 Link event during NS query\n");
 		lpfc_vport_set_state(vport, FC_VPORT_FAILED);
 		goto out;
 	}
-
+	if (lpfc_error_lost_link(irsp)) {
+		lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
+				 "0226 NS query failed due to link event\n");
+		goto out;
+	}
 	if (irsp->ulpStatus) {
 		/* Check for retry */
 		if (vport->fc_ns_retry < LPFC_MAX_NS_RETRY) {
-			retry = 1;
-			if (irsp->ulpStatus == IOSTAT_LOCAL_REJECT) {
-				switch (irsp->un.ulpWord[4]) {
-				case IOERR_NO_RESOURCES:
-					/* We don't increment the retry
-					 * count for this case.
-					 */
-					break;
-				case IOERR_LINK_DOWN:
-				case IOERR_SLI_ABORTED:
-				case IOERR_SLI_DOWN:
-					retry = 0;
-					break;
-				default:
-					vport->fc_ns_retry++;
-				}
-			}
-			else
+			if (irsp->ulpStatus != IOSTAT_LOCAL_REJECT ||
+			    irsp->un.ulpWord[4] != IOERR_NO_RESOURCES)
 				vport->fc_ns_retry++;
 
-			if (retry) {
-				/* CT command is being retried */
-				rc = lpfc_ns_cmd(vport, SLI_CTNS_GID_FT,
+			/* CT command is being retried */
+			rc = lpfc_ns_cmd(vport, SLI_CTNS_GID_FT,
 					 vport->fc_ns_retry, 0);
-				if (rc == 0) {
-					/* success */
-					goto out;
-				}
-			}
+			if (rc == 0)
+				goto out;
 		}
 		lpfc_vport_set_state(vport, FC_VPORT_FAILED);
 		lpfc_printf_vlog(vport, KERN_ERR, LOG_ELS,
@@ -780,7 +764,7 @@ lpfc_cmpl_ct_cmd_gff_id(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
 
 	/* This is a target port, unregistered port, or the GFF_ID failed */
 	ndlp = lpfc_setup_disc_node(vport, did);
-	if (ndlp) {
+	if (ndlp && NLP_CHK_NODE_ACT(ndlp)) {
 		lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
 				 "0242 Process x%x GFF "
 				 "NameServer Rsp Data: x%x x%x x%x\n",
diff --git a/drivers/scsi/lpfc/lpfc_debugfs.c b/drivers/scsi/lpfc/lpfc_debugfs.c
index 783d1eea13ef..90272e65957a 100644
--- a/drivers/scsi/lpfc/lpfc_debugfs.c
+++ b/drivers/scsi/lpfc/lpfc_debugfs.c
@@ -503,6 +503,8 @@ lpfc_debugfs_nodelist_data(struct lpfc_vport *vport, char *buf, int size)
 				ndlp->nlp_sid);
 		if (ndlp->nlp_type & NLP_FCP_INITIATOR)
 			len +=  snprintf(buf+len, size-len, "FCP_INITIATOR ");
+		len += snprintf(buf+len, size-len, "usgmap:%x ",
+			ndlp->nlp_usg_map);
 		len += snprintf(buf+len, size-len, "refcnt:%x",
 			atomic_read(&ndlp->kref.refcount));
 		len +=  snprintf(buf+len, size-len, "\n");
diff --git a/drivers/scsi/lpfc/lpfc_els.c b/drivers/scsi/lpfc/lpfc_els.c
index cbb68a942255..886c5f1b11d2 100644
--- a/drivers/scsi/lpfc/lpfc_els.c
+++ b/drivers/scsi/lpfc/lpfc_els.c
@@ -719,9 +719,9 @@ lpfc_els_abort_flogi(struct lpfc_hba *phba)
 		if (icmd->ulpCommand == CMD_ELS_REQUEST64_CR &&
 		    icmd->un.elsreq64.bdl.ulpIoTag32) {
 			ndlp = (struct lpfc_nodelist *)(iocb->context1);
-			if (ndlp && (ndlp->nlp_DID == Fabric_DID)) {
+			if (ndlp && NLP_CHK_NODE_ACT(ndlp) &&
+			    (ndlp->nlp_DID == Fabric_DID))
 				lpfc_sli_issue_abort_iotag(phba, pring, iocb);
-			}
 		}
 	}
 	spin_unlock_irq(&phba->hbalock);
@@ -829,7 +829,7 @@ lpfc_plogi_confirm_nport(struct lpfc_hba *phba, uint32_t *prsp,
 	struct fc_rport *rport;
 	struct serv_parm *sp;
 	uint8_t  name[sizeof(struct lpfc_name)];
-	uint32_t rc;
+	uint32_t rc, keepDID = 0;
 
 	/* Fabric nodes can have the same WWPN so we don't bother searching
 	 * by WWPN.  Just return the ndlp that was given to us.
@@ -858,11 +858,17 @@ lpfc_plogi_confirm_nport(struct lpfc_hba *phba, uint32_t *prsp,
 			return ndlp;
 		lpfc_nlp_init(vport, new_ndlp, ndlp->nlp_DID);
 	} else if (!NLP_CHK_NODE_ACT(new_ndlp)) {
+		rc = memcmp(&ndlp->nlp_portname, name,
+			    sizeof(struct lpfc_name));
+		if (!rc)
+			return ndlp;
 		new_ndlp = lpfc_enable_node(vport, new_ndlp,
 						NLP_STE_UNUSED_NODE);
 		if (!new_ndlp)
 			return ndlp;
-	}
+		keepDID = new_ndlp->nlp_DID;
+	} else
+		keepDID = new_ndlp->nlp_DID;
 
 	lpfc_unreg_rpi(vport, new_ndlp);
 	new_ndlp->nlp_DID = ndlp->nlp_DID;
@@ -893,12 +899,24 @@ lpfc_plogi_confirm_nport(struct lpfc_hba *phba, uint32_t *prsp,
 			}
 			new_ndlp->nlp_type = ndlp->nlp_type;
 		}
+		/* We shall actually free the ndlp with both nlp_DID and
+		 * nlp_portname fields equals 0 to avoid any ndlp on the
+		 * nodelist never to be used.
+		 */
+		if (ndlp->nlp_DID == 0) {
+			spin_lock_irq(&phba->ndlp_lock);
+			NLP_SET_FREE_REQ(ndlp);
+			spin_unlock_irq(&phba->ndlp_lock);
+		}
 
+		/* Two ndlps cannot have the same did on the nodelist */
+		ndlp->nlp_DID = keepDID;
 		lpfc_drop_node(vport, ndlp);
 	}
 	else {
 		lpfc_unreg_rpi(vport, ndlp);
-		ndlp->nlp_DID = 0; /* Two ndlps cannot have the same did */
+		/* Two ndlps cannot have the same did */
+		ndlp->nlp_DID = keepDID;
 		lpfc_nlp_set_state(vport, ndlp, NLP_STE_NPR_NODE);
 	}
 	return new_ndlp;
@@ -2091,7 +2109,7 @@ lpfc_els_retry(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
 		}
 
 		phba->fc_stat.elsXmitRetry++;
-		if (ndlp && delay) {
+		if (ndlp && NLP_CHK_NODE_ACT(ndlp) && delay) {
 			phba->fc_stat.elsDelayRetry++;
 			ndlp->nlp_retry = cmdiocb->retry;
 
@@ -2121,7 +2139,7 @@ lpfc_els_retry(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
 			lpfc_issue_els_fdisc(vport, ndlp, cmdiocb->retry);
 			return 1;
 		case ELS_CMD_PLOGI:
-			if (ndlp) {
+			if (ndlp && NLP_CHK_NODE_ACT(ndlp)) {
 				ndlp->nlp_prev_state = ndlp->nlp_state;
 				lpfc_nlp_set_state(vport, ndlp,
 						   NLP_STE_PLOGI_ISSUE);
@@ -2302,7 +2320,7 @@ lpfc_mbx_cmpl_dflt_rpi(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb)
 	lpfc_mbuf_free(phba, mp->virt, mp->phys);
 	kfree(mp);
 	mempool_free(pmb, phba->mbox_mem_pool);
-	if (ndlp) {
+	if (ndlp && NLP_CHK_NODE_ACT(ndlp)) {
 		lpfc_nlp_put(ndlp);
 		/* This is the end of the default RPI cleanup logic for this
 		 * ndlp. If no other discovery threads are using this ndlp.
@@ -2335,7 +2353,8 @@ lpfc_cmpl_els_rsp(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
 	 * function can have cmdiocb->contest1 (ndlp) field set to NULL.
 	 */
 	pcmd = (uint8_t *) (((struct lpfc_dmabuf *) cmdiocb->context2)->virt);
-	if (ndlp && (*((uint32_t *) (pcmd)) == ELS_CMD_LS_RJT)) {
+	if (ndlp && NLP_CHK_NODE_ACT(ndlp) &&
+	    (*((uint32_t *) (pcmd)) == ELS_CMD_LS_RJT)) {
 		/* A LS_RJT associated with Default RPI cleanup has its own
 		 * seperate code path.
 		 */
@@ -2344,7 +2363,7 @@ lpfc_cmpl_els_rsp(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
 	}
 
 	/* Check to see if link went down during discovery */
-	if (!ndlp || lpfc_els_chk_latt(vport)) {
+	if (!ndlp || !NLP_CHK_NODE_ACT(ndlp) || lpfc_els_chk_latt(vport)) {
 		if (mbox) {
 			mp = (struct lpfc_dmabuf *) mbox->context1;
 			if (mp) {
@@ -2353,7 +2372,8 @@ lpfc_cmpl_els_rsp(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
 			}
 			mempool_free(mbox, phba->mbox_mem_pool);
 		}
-		if (ndlp && (ndlp->nlp_flag & NLP_RM_DFLT_RPI))
+		if (ndlp && NLP_CHK_NODE_ACT(ndlp) &&
+		    (ndlp->nlp_flag & NLP_RM_DFLT_RPI))
 			if (lpfc_nlp_not_used(ndlp)) {
 				ndlp = NULL;
 				/* Indicate the node has already released,
@@ -2443,7 +2463,7 @@ lpfc_cmpl_els_rsp(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
 		mempool_free(mbox, phba->mbox_mem_pool);
 	}
 out:
-	if (ndlp) {
+	if (ndlp && NLP_CHK_NODE_ACT(ndlp)) {
 		spin_lock_irq(shost->host_lock);
 		ndlp->nlp_flag &= ~(NLP_ACC_REGLOGIN | NLP_RM_DFLT_RPI);
 		spin_unlock_irq(shost->host_lock);
@@ -3139,6 +3159,8 @@ lpfc_els_rcv_rscn(struct lpfc_vport *vport, struct lpfc_iocbq *cmdiocb,
 		/* Another thread is walking fc_rscn_id_list on this vport */
 		spin_unlock_irq(shost->host_lock);
 		vport->fc_flag |= FC_RSCN_DISCOVERY;
+		/* Send back ACC */
+		lpfc_els_rsp_acc(vport, ELS_CMD_ACC, cmdiocb, ndlp, NULL);
 		return 0;
 	}
 	/* Indicate we are walking fc_rscn_id_list on this vport */
@@ -3928,7 +3950,7 @@ lpfc_els_timeout_handler(struct lpfc_vport *vport)
 		else {
 			struct lpfc_nodelist *ndlp;
 			ndlp = __lpfc_findnode_rpi(vport, cmd->ulpContext);
-			if (ndlp)
+			if (ndlp && NLP_CHK_NODE_ACT(ndlp))
 				remote_ID = ndlp->nlp_DID;
 		}
 		lpfc_printf_vlog(vport, KERN_ERR, LOG_ELS,
@@ -4097,21 +4119,22 @@ lpfc_els_unsol_buffer(struct lpfc_hba *phba, struct lpfc_sli_ring *pring,
 		newnode = 1;
 		if ((did & Fabric_DID_MASK) == Fabric_DID_MASK)
 			ndlp->nlp_type |= NLP_FABRIC;
-	} else {
-		if (!NLP_CHK_NODE_ACT(ndlp)) {
-			ndlp = lpfc_enable_node(vport, ndlp,
-						NLP_STE_UNUSED_NODE);
-			if (!ndlp)
-				goto dropit;
-		}
-		if (ndlp->nlp_state == NLP_STE_UNUSED_NODE) {
-			/* This is simular to the new node path */
-			ndlp = lpfc_nlp_get(ndlp);
-			if (!ndlp)
-				goto dropit;
-			lpfc_nlp_set_state(vport, ndlp, NLP_STE_NPR_NODE);
-			newnode = 1;
-		}
+	} else if (!NLP_CHK_NODE_ACT(ndlp)) {
+		ndlp = lpfc_enable_node(vport, ndlp,
+					NLP_STE_UNUSED_NODE);
+		if (!ndlp)
+			goto dropit;
+		lpfc_nlp_set_state(vport, ndlp, NLP_STE_NPR_NODE);
+		newnode = 1;
+		if ((did & Fabric_DID_MASK) == Fabric_DID_MASK)
+			ndlp->nlp_type |= NLP_FABRIC;
+	} else if (ndlp->nlp_state == NLP_STE_UNUSED_NODE) {
+		/* This is similar to the new node path */
+		ndlp = lpfc_nlp_get(ndlp);
+		if (!ndlp)
+			goto dropit;
+		lpfc_nlp_set_state(vport, ndlp, NLP_STE_NPR_NODE);
+		newnode = 1;
 	}
 
 	phba->fc_stat.elsRcvFrame++;
@@ -4451,7 +4474,6 @@ lpfc_do_scr_ns_plogi(struct lpfc_hba *phba, struct lpfc_vport *vport)
 			return;
 		}
 		lpfc_nlp_init(vport, ndlp, NameServer_DID);
-		ndlp->nlp_type |= NLP_FABRIC;
 	} else if (!NLP_CHK_NODE_ACT(ndlp)) {
 		ndlp = lpfc_enable_node(vport, ndlp, NLP_STE_UNUSED_NODE);
 		if (!ndlp) {
@@ -4465,6 +4487,7 @@ lpfc_do_scr_ns_plogi(struct lpfc_hba *phba, struct lpfc_vport *vport)
 			return;
 		}
 	}
+	ndlp->nlp_type |= NLP_FABRIC;
 
 	lpfc_nlp_set_state(vport, ndlp, NLP_STE_PLOGI_ISSUE);
 
@@ -4481,8 +4504,8 @@ lpfc_do_scr_ns_plogi(struct lpfc_hba *phba, struct lpfc_vport *vport)
 		if (ndlp_fdmi) {
 			lpfc_nlp_init(vport, ndlp_fdmi, FDMI_DID);
 			ndlp_fdmi->nlp_type |= NLP_FABRIC;
-			ndlp_fdmi->nlp_state =
-				NLP_STE_PLOGI_ISSUE;
+			lpfc_nlp_set_state(vport, ndlp_fdmi,
+				NLP_STE_PLOGI_ISSUE);
 			lpfc_issue_els_plogi(vport, ndlp_fdmi->nlp_DID,
 					     0);
 		}
@@ -5074,39 +5097,3 @@ void lpfc_fabric_abort_hba(struct lpfc_hba *phba)
 		(piocb->iocb_cmpl) (phba, piocb, piocb);
 	}
 }
-
-
-#if 0
-void lpfc_fabric_abort_flogi(struct lpfc_hba *phba)
-{
-	LIST_HEAD(completions);
-	struct lpfc_iocbq *tmp_iocb, *piocb;
-	IOCB_t *cmd;
-	struct lpfc_nodelist *ndlp;
-
-	spin_lock_irq(&phba->hbalock);
-	list_for_each_entry_safe(piocb, tmp_iocb, &phba->fabric_iocb_list,
-				 list) {
-
-		cmd = &piocb->iocb;
-		ndlp = (struct lpfc_nodelist *) piocb->context1;
-		if (cmd->ulpCommand == CMD_ELS_REQUEST64_CR &&
-		    ndlp != NULL &&
-		    ndlp->nlp_DID == Fabric_DID)
-			list_move_tail(&piocb->list, &completions);
-	}
-	spin_unlock_irq(&phba->hbalock);
-
-	while (!list_empty(&completions)) {
-		piocb = list_get_first(&completions, struct lpfc_iocbq, list);
-		list_del_init(&piocb->list);
-
-		cmd = &piocb->iocb;
-		cmd->ulpStatus = IOSTAT_LOCAL_REJECT;
-		cmd->un.ulpWord[4] = IOERR_SLI_ABORTED;
-		(piocb->iocb_cmpl) (phba, piocb, piocb);
-	}
-}
-#endif  /*  0  */
-
-
diff --git a/drivers/scsi/lpfc/lpfc_hbadisc.c b/drivers/scsi/lpfc/lpfc_hbadisc.c
index 976653440fba..7cb68feb04fd 100644
--- a/drivers/scsi/lpfc/lpfc_hbadisc.c
+++ b/drivers/scsi/lpfc/lpfc_hbadisc.c
@@ -69,7 +69,7 @@ lpfc_terminate_rport_io(struct fc_rport *rport)
 	rdata = rport->dd_data;
 	ndlp = rdata->pnode;
 
-	if (!ndlp) {
+	if (!ndlp || !NLP_CHK_NODE_ACT(ndlp)) {
 		if (rport->roles & FC_RPORT_ROLE_FCP_TARGET)
 			printk(KERN_ERR "Cannot find remote node"
 			" to terminate I/O Data x%x\n",
@@ -114,7 +114,7 @@ lpfc_dev_loss_tmo_callbk(struct fc_rport *rport)
 
 	rdata = rport->dd_data;
 	ndlp = rdata->pnode;
-	if (!ndlp)
+	if (!ndlp || !NLP_CHK_NODE_ACT(ndlp))
 		return;
 
 	vport = ndlp->vport;
@@ -243,8 +243,8 @@ lpfc_dev_loss_tmo_handler(struct lpfc_nodelist *ndlp)
 	if (warn_on) {
 		lpfc_printf_vlog(vport, KERN_ERR, LOG_DISCOVERY,
 				 "0203 Devloss timeout on "
-				 "WWPN %x:%x:%x:%x:%x:%x:%x:%x "
-				 "NPort x%x Data: x%x x%x x%x\n",
+				 "WWPN %02x:%02x:%02x:%02x:%02x:%02x:%02x:%02x "
+				 "NPort x%06x Data: x%x x%x x%x\n",
 				 *name, *(name+1), *(name+2), *(name+3),
 				 *(name+4), *(name+5), *(name+6), *(name+7),
 				 ndlp->nlp_DID, ndlp->nlp_flag,
@@ -252,8 +252,8 @@ lpfc_dev_loss_tmo_handler(struct lpfc_nodelist *ndlp)
 	} else {
 		lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
 				 "0204 Devloss timeout on "
-				 "WWPN %x:%x:%x:%x:%x:%x:%x:%x "
-				 "NPort x%x Data: x%x x%x x%x\n",
+				 "WWPN %02x:%02x:%02x:%02x:%02x:%02x:%02x:%02x "
+				 "NPort x%06x Data: x%x x%x x%x\n",
 				 *name, *(name+1), *(name+2), *(name+3),
 				 *(name+4), *(name+5), *(name+6), *(name+7),
 				 ndlp->nlp_DID, ndlp->nlp_flag,
@@ -399,7 +399,10 @@ lpfc_work_done(struct lpfc_hba *phba)
 				vport = vports[i];
 			if (vport == NULL)
 				break;
+			spin_lock_irq(&vport->work_port_lock);
 			work_port_events = vport->work_port_events;
+			vport->work_port_events &= ~work_port_events;
+			spin_unlock_irq(&vport->work_port_lock);
 			if (work_port_events & WORKER_DISC_TMO)
 				lpfc_disc_timeout_handler(vport);
 			if (work_port_events & WORKER_ELS_TMO)
@@ -416,9 +419,6 @@ lpfc_work_done(struct lpfc_hba *phba)
 				lpfc_ramp_down_queue_handler(phba);
 			if (work_port_events & WORKER_RAMP_UP_QUEUE)
 				lpfc_ramp_up_queue_handler(phba);
-			spin_lock_irq(&vport->work_port_lock);
-			vport->work_port_events &= ~work_port_events;
-			spin_unlock_irq(&vport->work_port_lock);
 		}
 	lpfc_destroy_vport_work_array(phba, vports);
 
@@ -430,10 +430,10 @@ lpfc_work_done(struct lpfc_hba *phba)
 		if (pring->flag & LPFC_STOP_IOCB_EVENT) {
 			pring->flag |= LPFC_DEFERRED_RING_EVENT;
 		} else {
+			pring->flag &= ~LPFC_DEFERRED_RING_EVENT;
 			lpfc_sli_handle_slow_ring_event(phba, pring,
 							(status &
 							 HA_RXMASK));
-			pring->flag &= ~LPFC_DEFERRED_RING_EVENT;
 		}
 		/*
 		 * Turn on Ring interrupts
@@ -519,7 +519,9 @@ lpfc_do_work(void *p)
 			schedule();
 		}
 	}
+	spin_lock_irq(&phba->hbalock);
 	phba->work_wait = NULL;
+	spin_unlock_irq(&phba->hbalock);
 	return 0;
 }
 
@@ -809,11 +811,9 @@ out:
 	mempool_free(pmb, phba->mbox_mem_pool);
 
 	spin_lock_irq(shost->host_lock);
-	vport->fc_flag &= ~(FC_ABORT_DISCOVERY | FC_ESTABLISH_LINK);
+	vport->fc_flag &= ~FC_ABORT_DISCOVERY;
 	spin_unlock_irq(shost->host_lock);
 
-	del_timer_sync(&phba->fc_estabtmo);
-
 	lpfc_can_disctmo(vport);
 
 	/* turn on Link Attention interrupts */
@@ -1340,10 +1340,14 @@ lpfc_mbx_cmpl_fabric_reg_login(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb)
 			    i++) {
 				if (vports[i]->port_type == LPFC_PHYSICAL_PORT)
 					continue;
+				if (phba->fc_topology == TOPOLOGY_LOOP) {
+					lpfc_vport_set_state(vports[i],
+							FC_VPORT_LINKDOWN);
+					continue;
+				}
 				if (phba->link_flag & LS_NPIV_FAB_SUPPORTED)
 					lpfc_initial_fdisc(vports[i]);
-				else if (phba->sli3_options &
-						LPFC_SLI3_NPIV_ENABLED) {
+				else {
 					lpfc_vport_set_state(vports[i],
 						FC_VPORT_NO_FABRIC_SUPP);
 					lpfc_printf_vlog(vport, KERN_ERR,
@@ -2190,10 +2194,6 @@ lpfc_matchdid(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp,
 	if (did == Bcast_DID)
 		return 0;
 
-	if (ndlp->nlp_DID == 0) {
-		return 0;
-	}
-
 	/* First check for Direct match */
 	if (ndlp->nlp_DID == did)
 		return 1;
@@ -2301,7 +2301,8 @@ lpfc_setup_disc_node(struct lpfc_vport *vport, uint32_t did)
 		return ndlp;
 	}
 
-	if (vport->fc_flag & FC_RSCN_MODE) {
+	if ((vport->fc_flag & FC_RSCN_MODE) &&
+	    !(vport->fc_flag & FC_NDISC_ACTIVE)) {
 		if (lpfc_rscn_payload_check(vport, did)) {
 			/* If we've already recieved a PLOGI from this NPort
 			 * we don't need to try to discover it again.
@@ -2947,24 +2948,6 @@ __lpfc_find_node(struct lpfc_vport *vport, node_filter filter, void *param)
 	return NULL;
 }
 
-#if 0
-/*
- * Search node lists for a remote port matching filter criteria
- * Caller needs to hold host_lock before calling this routine.
- */
-struct lpfc_nodelist *
-lpfc_find_node(struct lpfc_vport *vport, node_filter filter, void *param)
-{
-	struct Scsi_Host     *shost = lpfc_shost_from_vport(vport);
-	struct lpfc_nodelist *ndlp;
-
-	spin_lock_irq(shost->host_lock);
-	ndlp = __lpfc_find_node(vport, filter, param);
-	spin_unlock_irq(shost->host_lock);
-	return ndlp;
-}
-#endif  /*  0  */
-
 /*
  * This routine looks up the ndlp lists for the given RPI. If rpi found it
  * returns the node list element pointer else return NULL.
@@ -2975,20 +2958,6 @@ __lpfc_findnode_rpi(struct lpfc_vport *vport, uint16_t rpi)
 	return __lpfc_find_node(vport, lpfc_filter_by_rpi, &rpi);
 }
 
-#if 0
-struct lpfc_nodelist *
-lpfc_findnode_rpi(struct lpfc_vport *vport, uint16_t rpi)
-{
-	struct Scsi_Host *shost = lpfc_shost_from_vport(vport);
-	struct lpfc_nodelist *ndlp;
-
-	spin_lock_irq(shost->host_lock);
-	ndlp = __lpfc_findnode_rpi(vport, rpi);
-	spin_unlock_irq(shost->host_lock);
-	return ndlp;
-}
-#endif  /*  0  */
-
 /*
  * This routine looks up the ndlp lists for the given WWPN. If WWPN found it
  * returns the node element list pointer else return NULL.
diff --git a/drivers/scsi/lpfc/lpfc_init.c b/drivers/scsi/lpfc/lpfc_init.c
index 22843751c2ca..fa757b251f82 100644
--- a/drivers/scsi/lpfc/lpfc_init.c
+++ b/drivers/scsi/lpfc/lpfc_init.c
@@ -559,8 +559,10 @@ lpfc_hb_timeout(unsigned long ptr)
 		phba->pport->work_port_events |= WORKER_HB_TMO;
 	spin_unlock_irqrestore(&phba->pport->work_port_lock, iflag);
 
+	spin_lock_irqsave(&phba->hbalock, iflag);
 	if (phba->work_wait)
 		wake_up(phba->work_wait);
+	spin_unlock_irqrestore(&phba->hbalock, iflag);
 	return;
 }
 
@@ -714,12 +716,10 @@ lpfc_handle_eratt(struct lpfc_hba *phba)
 	struct lpfc_vport *vport = phba->pport;
 	struct lpfc_sli   *psli = &phba->sli;
 	struct lpfc_sli_ring  *pring;
-	struct lpfc_vport **vports;
 	uint32_t event_data;
 	unsigned long temperature;
 	struct temp_event temp_event_data;
 	struct Scsi_Host  *shost;
-	int i;
 
 	/* If the pci channel is offline, ignore possible errors,
 	 * since we cannot communicate with the pci card anyway. */
@@ -729,25 +729,14 @@ lpfc_handle_eratt(struct lpfc_hba *phba)
 	if (!phba->cfg_enable_hba_reset)
 		return;
 
-	if (phba->work_hs & HS_FFER6 ||
-	    phba->work_hs & HS_FFER5) {
+	if (phba->work_hs & HS_FFER6) {
 		/* Re-establishing Link */
 		lpfc_printf_log(phba, KERN_INFO, LOG_LINK_EVENT,
 				"1301 Re-establishing Link "
 				"Data: x%x x%x x%x\n",
 				phba->work_hs,
 				phba->work_status[0], phba->work_status[1]);
-		vports = lpfc_create_vport_work_array(phba);
-		if (vports != NULL)
-			for(i = 0;
-			    i <= phba->max_vpi && vports[i] != NULL;
-			    i++){
-				shost = lpfc_shost_from_vport(vports[i]);
-				spin_lock_irq(shost->host_lock);
-				vports[i]->fc_flag |= FC_ESTABLISH_LINK;
-				spin_unlock_irq(shost->host_lock);
-			}
-		lpfc_destroy_vport_work_array(phba, vports);
+
 		spin_lock_irq(&phba->hbalock);
 		psli->sli_flag &= ~LPFC_SLI2_ACTIVE;
 		spin_unlock_irq(&phba->hbalock);
@@ -761,7 +750,6 @@ lpfc_handle_eratt(struct lpfc_hba *phba)
 		pring = &psli->ring[psli->fcp_ring];
 		lpfc_sli_abort_iocb_ring(phba, pring);
 
-
 		/*
 		 * There was a firmware error.  Take the hba offline and then
 		 * attempt to restart it.
@@ -770,7 +758,6 @@ lpfc_handle_eratt(struct lpfc_hba *phba)
 		lpfc_offline(phba);
 		lpfc_sli_brdrestart(phba);
 		if (lpfc_online(phba) == 0) {	/* Initialize the HBA */
-			mod_timer(&phba->fc_estabtmo, jiffies + HZ * 60);
 			lpfc_unblock_mgmt_io(phba);
 			return;
 		}
@@ -1454,6 +1441,13 @@ lpfc_cleanup(struct lpfc_vport *vport)
 			NLP_SET_FREE_REQ(ndlp);
 		spin_unlock_irq(&phba->ndlp_lock);
 
+		if (vport->port_type != LPFC_PHYSICAL_PORT &&
+		    ndlp->nlp_DID == Fabric_DID) {
+			/* Just free up ndlp with Fabric_DID for vports */
+			lpfc_nlp_put(ndlp);
+			continue;
+		}
+
 		if (ndlp->nlp_type & NLP_FABRIC)
 			lpfc_disc_state_machine(vport, ndlp, NULL,
 					NLP_EVT_DEVICE_RECOVERY);
@@ -1491,31 +1485,6 @@ lpfc_cleanup(struct lpfc_vport *vport)
 	return;
 }
 
-static void
-lpfc_establish_link_tmo(unsigned long ptr)
-{
-	struct lpfc_hba   *phba = (struct lpfc_hba *) ptr;
-	struct lpfc_vport **vports;
-	unsigned long iflag;
-	int i;
-
-	/* Re-establishing Link, timer expired */
-	lpfc_printf_log(phba, KERN_ERR, LOG_LINK_EVENT,
-			"1300 Re-establishing Link, timer expired "
-			"Data: x%x x%x\n",
-			phba->pport->fc_flag, phba->pport->port_state);
-	vports = lpfc_create_vport_work_array(phba);
-	if (vports != NULL)
-		for(i = 0; i <= phba->max_vpi && vports[i] != NULL; i++) {
-			struct Scsi_Host *shost;
-			shost = lpfc_shost_from_vport(vports[i]);
-			spin_lock_irqsave(shost->host_lock, iflag);
-			vports[i]->fc_flag &= ~FC_ESTABLISH_LINK;
-			spin_unlock_irqrestore(shost->host_lock, iflag);
-		}
-	lpfc_destroy_vport_work_array(phba, vports);
-}
-
 void
 lpfc_stop_vport_timers(struct lpfc_vport *vport)
 {
@@ -1529,7 +1498,6 @@ static void
 lpfc_stop_phba_timers(struct lpfc_hba *phba)
 {
 	del_timer_sync(&phba->fcp_poll_timer);
-	del_timer_sync(&phba->fc_estabtmo);
 	lpfc_stop_vport_timers(phba->pport);
 	del_timer_sync(&phba->sli.mbox_tmo);
 	del_timer_sync(&phba->fabric_block_timer);
@@ -2005,10 +1973,6 @@ lpfc_pci_probe_one(struct pci_dev *pdev, const struct pci_device_id *pid)
 	phba->max_vpi = LPFC_MAX_VPI;
 
 	/* Initialize timers used by driver */
-	init_timer(&phba->fc_estabtmo);
-	phba->fc_estabtmo.function = lpfc_establish_link_tmo;
-	phba->fc_estabtmo.data = (unsigned long)phba;
-
 	init_timer(&phba->hb_tmofunc);
 	phba->hb_tmofunc.function = lpfc_hb_timeout;
 	phba->hb_tmofunc.data = (unsigned long)phba;
@@ -2406,6 +2370,7 @@ static pci_ers_result_t lpfc_io_slot_reset(struct pci_dev *pdev)
 	struct Scsi_Host *shost = pci_get_drvdata(pdev);
 	struct lpfc_hba *phba = ((struct lpfc_vport *)shost->hostdata)->phba;
 	struct lpfc_sli *psli = &phba->sli;
+	int error, retval;
 
 	dev_printk(KERN_INFO, &pdev->dev, "recovering from a slot reset.\n");
 	if (pci_enable_device_mem(pdev)) {
@@ -2416,15 +2381,40 @@ static pci_ers_result_t lpfc_io_slot_reset(struct pci_dev *pdev)
 
 	pci_set_master(pdev);
 
-	/* Re-establishing Link */
-	spin_lock_irq(shost->host_lock);
-	phba->pport->fc_flag |= FC_ESTABLISH_LINK;
-	spin_unlock_irq(shost->host_lock);
-
 	spin_lock_irq(&phba->hbalock);
 	psli->sli_flag &= ~LPFC_SLI2_ACTIVE;
 	spin_unlock_irq(&phba->hbalock);
 
+	/* Enable configured interrupt method */
+	phba->intr_type = NONE;
+	if (phba->cfg_use_msi == 2) {
+		error = lpfc_enable_msix(phba);
+		if (!error)
+			phba->intr_type = MSIX;
+	}
+
+	/* Fallback to MSI if MSI-X initialization failed */
+	if (phba->cfg_use_msi >= 1 && phba->intr_type == NONE) {
+		retval = pci_enable_msi(phba->pcidev);
+		if (!retval)
+			phba->intr_type = MSI;
+		else
+			lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
+					"0470 Enable MSI failed, continuing "
+					"with IRQ\n");
+	}
+
+	/* MSI-X is the only case the doesn't need to call request_irq */
+	if (phba->intr_type != MSIX) {
+		retval = request_irq(phba->pcidev->irq, lpfc_intr_handler,
+				     IRQF_SHARED, LPFC_DRIVER_NAME, phba);
+		if (retval) {
+			lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
+					"0471 Enable interrupt handler "
+					"failed\n");
+		} else if (phba->intr_type != MSI)
+			phba->intr_type = INTx;
+	}
 
 	/* Take device offline; this will perform cleanup */
 	lpfc_offline(phba);
@@ -2445,9 +2435,7 @@ static void lpfc_io_resume(struct pci_dev *pdev)
 	struct Scsi_Host *shost = pci_get_drvdata(pdev);
 	struct lpfc_hba *phba = ((struct lpfc_vport *)shost->hostdata)->phba;
 
-	if (lpfc_online(phba) == 0) {
-		mod_timer(&phba->fc_estabtmo, jiffies + HZ * 60);
-	}
+	lpfc_online(phba);
 }
 
 static struct pci_device_id lpfc_id_table[] = {
diff --git a/drivers/scsi/lpfc/lpfc_nportdisc.c b/drivers/scsi/lpfc/lpfc_nportdisc.c
index d513813f6697..d08c4c890744 100644
--- a/drivers/scsi/lpfc/lpfc_nportdisc.c
+++ b/drivers/scsi/lpfc/lpfc_nportdisc.c
@@ -451,7 +451,7 @@ lpfc_rcv_plogi(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp,
 			spin_unlock_irq(shost->host_lock);
 
 			if ((ndlp->nlp_flag & NLP_ADISC_SND) &&
-				(vport->num_disc_nodes)) {
+			    (vport->num_disc_nodes)) {
 				/* Check to see if there are more
 				 * ADISCs to be sent
 				 */
@@ -469,20 +469,23 @@ lpfc_rcv_plogi(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp,
 					lpfc_end_rscn(vport);
 				}
 			}
-			else if (vport->num_disc_nodes) {
-				/* Check to see if there are more
-				 * PLOGIs to be sent
-				 */
-				lpfc_more_plogi(vport);
-
-				if (vport->num_disc_nodes == 0) {
-					spin_lock_irq(shost->host_lock);
-					vport->fc_flag &= ~FC_NDISC_ACTIVE;
-					spin_unlock_irq(shost->host_lock);
-					lpfc_can_disctmo(vport);
-					lpfc_end_rscn(vport);
-				}
-			}
+		}
+	} else if ((ndlp->nlp_state == NLP_STE_PLOGI_ISSUE) &&
+		   (ndlp->nlp_flag & NLP_NPR_2B_DISC) &&
+		   (vport->num_disc_nodes)) {
+		spin_lock_irq(shost->host_lock);
+		ndlp->nlp_flag &= ~NLP_NPR_2B_DISC;
+		spin_unlock_irq(shost->host_lock);
+		/* Check to see if there are more
+		 * PLOGIs to be sent
+		 */
+		lpfc_more_plogi(vport);
+		if (vport->num_disc_nodes == 0) {
+			spin_lock_irq(shost->host_lock);
+			vport->fc_flag &= ~FC_NDISC_ACTIVE;
+			spin_unlock_irq(shost->host_lock);
+			lpfc_can_disctmo(vport);
+			lpfc_end_rscn(vport);
 		}
 	}
 
@@ -869,8 +872,11 @@ lpfc_cmpl_plogi_plogi_issue(struct lpfc_vport *vport,
 
 	lp = (uint32_t *) prsp->virt;
 	sp = (struct serv_parm *) ((uint8_t *) lp + sizeof (uint32_t));
-	if (wwn_to_u64(sp->portName.u.wwn) == 0 ||
-	    wwn_to_u64(sp->nodeName.u.wwn) == 0) {
+
+	/* Some switches have FDMI servers returning 0 for WWN */
+	if ((ndlp->nlp_DID != FDMI_DID) &&
+		(wwn_to_u64(sp->portName.u.wwn) == 0 ||
+		wwn_to_u64(sp->nodeName.u.wwn) == 0)) {
 		lpfc_printf_vlog(vport, KERN_ERR, LOG_ELS,
 				 "0142 PLOGI RSP: Invalid WWN.\n");
 		goto out;
diff --git a/drivers/scsi/lpfc/lpfc_scsi.c b/drivers/scsi/lpfc/lpfc_scsi.c
index 70255c11d3ad..0910a9ab76a5 100644
--- a/drivers/scsi/lpfc/lpfc_scsi.c
+++ b/drivers/scsi/lpfc/lpfc_scsi.c
@@ -169,6 +169,9 @@ lpfc_ramp_up_queue_handler(struct lpfc_hba *phba)
 		for(i = 0; i <= phba->max_vpi && vports[i] != NULL; i++) {
 			shost = lpfc_shost_from_vport(vports[i]);
 			shost_for_each_device(sdev, shost) {
+				if (vports[i]->cfg_lun_queue_depth <=
+				    sdev->queue_depth)
+					continue;
 				if (sdev->ordered_tags)
 					scsi_adjust_queue_depth(sdev,
 							MSG_ORDERED_TAG,
@@ -578,14 +581,14 @@ lpfc_scsi_cmd_iocb_cmpl(struct lpfc_hba *phba, struct lpfc_iocbq *pIocbIn,
 			    lpfc_cmd->result == IOERR_NO_RESOURCES ||
 			    lpfc_cmd->result == RJT_LOGIN_REQUIRED) {
 				cmd->result = ScsiResult(DID_REQUEUE, 0);
-			break;
-		} /* else: fall through */
+				break;
+			} /* else: fall through */
 		default:
 			cmd->result = ScsiResult(DID_ERROR, 0);
 			break;
 		}
 
-		if ((pnode == NULL )
+		if (!pnode || !NLP_CHK_NODE_ACT(pnode)
 		    || (pnode->nlp_state != NLP_STE_MAPPED_NODE))
 			cmd->result = ScsiResult(DID_BUS_BUSY, SAM_STAT_BUSY);
 	} else {
@@ -606,6 +609,9 @@ lpfc_scsi_cmd_iocb_cmpl(struct lpfc_hba *phba, struct lpfc_iocbq *pIocbIn,
 	result = cmd->result;
 	sdev = cmd->device;
 	lpfc_scsi_unprep_dma_buf(phba, lpfc_cmd);
+	spin_lock_irqsave(sdev->host->host_lock, flags);
+	lpfc_cmd->pCmd = NULL;	/* This must be done before scsi_done */
+	spin_unlock_irqrestore(sdev->host->host_lock, flags);
 	cmd->scsi_done(cmd);
 
 	if (phba->cfg_poll & ENABLE_FCP_RING_POLLING) {
@@ -614,7 +620,6 @@ lpfc_scsi_cmd_iocb_cmpl(struct lpfc_hba *phba, struct lpfc_iocbq *pIocbIn,
 		 * wake up the thread.
 		 */
 		spin_lock_irqsave(sdev->host->host_lock, flags);
-		lpfc_cmd->pCmd = NULL;
 		if (lpfc_cmd->waitq)
 			wake_up(lpfc_cmd->waitq);
 		spin_unlock_irqrestore(sdev->host->host_lock, flags);
@@ -626,7 +631,7 @@ lpfc_scsi_cmd_iocb_cmpl(struct lpfc_hba *phba, struct lpfc_iocbq *pIocbIn,
 	if (!result)
 		lpfc_rampup_queue_depth(vport, sdev);
 
-	if (!result && pnode != NULL &&
+	if (!result && pnode && NLP_CHK_NODE_ACT(pnode) &&
 	   ((jiffies - pnode->last_ramp_up_time) >
 		LPFC_Q_RAMP_UP_INTERVAL * HZ) &&
 	   ((jiffies - pnode->last_q_full_time) >
@@ -654,7 +659,8 @@ lpfc_scsi_cmd_iocb_cmpl(struct lpfc_hba *phba, struct lpfc_iocbq *pIocbIn,
 	 * Check for queue full.  If the lun is reporting queue full, then
 	 * back off the lun queue depth to prevent target overloads.
 	 */
-	if (result == SAM_STAT_TASK_SET_FULL && pnode != NULL) {
+	if (result == SAM_STAT_TASK_SET_FULL && pnode &&
+	    NLP_CHK_NODE_ACT(pnode)) {
 		pnode->last_q_full_time = jiffies;
 
 		shost_for_each_device(tmp_sdev, sdev->host) {
@@ -684,7 +690,6 @@ lpfc_scsi_cmd_iocb_cmpl(struct lpfc_hba *phba, struct lpfc_iocbq *pIocbIn,
 	 * wake up the thread.
 	 */
 	spin_lock_irqsave(sdev->host->host_lock, flags);
-	lpfc_cmd->pCmd = NULL;
 	if (lpfc_cmd->waitq)
 		wake_up(lpfc_cmd->waitq);
 	spin_unlock_irqrestore(sdev->host->host_lock, flags);
@@ -704,6 +709,9 @@ lpfc_scsi_prep_cmnd(struct lpfc_vport *vport, struct lpfc_scsi_buf *lpfc_cmd,
 	int datadir = scsi_cmnd->sc_data_direction;
 	char tag[2];
 
+	if (!pnode || !NLP_CHK_NODE_ACT(pnode))
+		return;
+
 	lpfc_cmd->fcp_rsp->rspSnsLen = 0;
 	/* clear task management bits */
 	lpfc_cmd->fcp_cmnd->fcpCntl2 = 0;
@@ -785,9 +793,9 @@ lpfc_scsi_prep_task_mgmt_cmd(struct lpfc_vport *vport,
 	struct lpfc_rport_data *rdata = lpfc_cmd->rdata;
 	struct lpfc_nodelist *ndlp = rdata->pnode;
 
-	if ((ndlp == NULL) || (ndlp->nlp_state != NLP_STE_MAPPED_NODE)) {
+	if (!ndlp || !NLP_CHK_NODE_ACT(ndlp) ||
+	    ndlp->nlp_state != NLP_STE_MAPPED_NODE)
 		return 0;
-	}
 
 	piocbq = &(lpfc_cmd->cur_iocbq);
 	piocbq->vport = vport;
@@ -842,7 +850,7 @@ lpfc_scsi_tgt_reset(struct lpfc_scsi_buf *lpfc_cmd, struct lpfc_vport *vport,
 	struct lpfc_iocbq *iocbqrsp;
 	int ret;
 
-	if (!rdata->pnode)
+	if (!rdata->pnode || !NLP_CHK_NODE_ACT(rdata->pnode))
 		return FAILED;
 
 	lpfc_cmd->rdata = rdata;
@@ -959,7 +967,7 @@ lpfc_queuecommand(struct scsi_cmnd *cmnd, void (*done) (struct scsi_cmnd *))
 	 * Catch race where our node has transitioned, but the
 	 * transport is still transitioning.
 	 */
-	if (!ndlp) {
+	if (!ndlp || !NLP_CHK_NODE_ACT(ndlp)) {
 		cmnd->result = ScsiResult(DID_BUS_BUSY, 0);
 		goto out_fail_command;
 	}
@@ -1146,7 +1154,7 @@ lpfc_device_reset_handler(struct scsi_cmnd *cmnd)
 	 * target is rediscovered or devloss timeout expires.
 	 */
 	while (1) {
-		if (!pnode)
+		if (!pnode || !NLP_CHK_NODE_ACT(pnode))
 			goto out;
 
 		if (pnode->nlp_state != NLP_STE_MAPPED_NODE) {
@@ -1162,7 +1170,7 @@ lpfc_device_reset_handler(struct scsi_cmnd *cmnd)
 				goto out;
 			}
 			pnode = rdata->pnode;
-			if (!pnode)
+			if (!pnode || !NLP_CHK_NODE_ACT(pnode))
 				goto out;
 		}
 		if (pnode->nlp_state == NLP_STE_MAPPED_NODE)
diff --git a/drivers/scsi/lpfc/lpfc_sli.c b/drivers/scsi/lpfc/lpfc_sli.c
index fc0d9501aba6..70a0a9eab211 100644
--- a/drivers/scsi/lpfc/lpfc_sli.c
+++ b/drivers/scsi/lpfc/lpfc_sli.c
@@ -2648,7 +2648,6 @@ lpfc_mbox_timeout_handler(struct lpfc_hba *phba)
 	spin_unlock_irq(&phba->pport->work_port_lock);
 	spin_lock_irq(&phba->hbalock);
 	phba->link_state = LPFC_LINK_UNKNOWN;
-	phba->pport->fc_flag |= FC_ESTABLISH_LINK;
 	psli->sli_flag &= ~LPFC_SLI2_ACTIVE;
 	spin_unlock_irq(&phba->hbalock);
 
@@ -2669,8 +2668,7 @@ lpfc_mbox_timeout_handler(struct lpfc_hba *phba)
 	lpfc_offline_prep(phba);
 	lpfc_offline(phba);
 	lpfc_sli_brdrestart(phba);
-	if (lpfc_online(phba) == 0)		/* Initialize the HBA */
-		mod_timer(&phba->fc_estabtmo, jiffies + HZ * 60);
+	lpfc_online(phba);
 	lpfc_unblock_mgmt_io(phba);
 	return;
 }
@@ -2687,28 +2685,41 @@ lpfc_sli_issue_mbox(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmbox, uint32_t flag)
 	unsigned long drvr_flag = 0;
 	volatile uint32_t word0, ldata;
 	void __iomem *to_slim;
+	int processing_queue = 0;
+
+	spin_lock_irqsave(&phba->hbalock, drvr_flag);
+	if (!pmbox) {
+		/* processing mbox queue from intr_handler */
+		processing_queue = 1;
+		phba->sli.sli_flag &= ~LPFC_SLI_MBOX_ACTIVE;
+		pmbox = lpfc_mbox_get(phba);
+		if (!pmbox) {
+			spin_unlock_irqrestore(&phba->hbalock, drvr_flag);
+			return MBX_SUCCESS;
+		}
+	}
 
 	if (pmbox->mbox_cmpl && pmbox->mbox_cmpl != lpfc_sli_def_mbox_cmpl &&
 		pmbox->mbox_cmpl != lpfc_sli_wake_mbox_wait) {
 		if(!pmbox->vport) {
+			spin_unlock_irqrestore(&phba->hbalock, drvr_flag);
 			lpfc_printf_log(phba, KERN_ERR,
 					LOG_MBOX | LOG_VPORT,
 					"1806 Mbox x%x failed. No vport\n",
 					pmbox->mb.mbxCommand);
 			dump_stack();
-			return MBX_NOT_FINISHED;
+			goto out_not_finished;
 		}
 	}
 
-
 	/* If the PCI channel is in offline state, do not post mbox. */
-	if (unlikely(pci_channel_offline(phba->pcidev)))
-		return MBX_NOT_FINISHED;
+	if (unlikely(pci_channel_offline(phba->pcidev))) {
+		spin_unlock_irqrestore(&phba->hbalock, drvr_flag);
+		goto out_not_finished;
+	}
 
-	spin_lock_irqsave(&phba->hbalock, drvr_flag);
 	psli = &phba->sli;
 
-
 	mb = &pmbox->mb;
 	status = MBX_SUCCESS;
 
@@ -2717,14 +2728,14 @@ lpfc_sli_issue_mbox(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmbox, uint32_t flag)
 
 		/* Mbox command <mbxCommand> cannot issue */
 		LOG_MBOX_CANNOT_ISSUE_DATA(phba, pmbox, psli, flag);
-		return MBX_NOT_FINISHED;
+		goto out_not_finished;
 	}
 
 	if (mb->mbxCommand != MBX_KILL_BOARD && flag & MBX_NOWAIT &&
 	    !(readl(phba->HCregaddr) & HC_MBINT_ENA)) {
 		spin_unlock_irqrestore(&phba->hbalock, drvr_flag);
 		LOG_MBOX_CANNOT_ISSUE_DATA(phba, pmbox, psli, flag);
-		return MBX_NOT_FINISHED;
+		goto out_not_finished;
 	}
 
 	if (psli->sli_flag & LPFC_SLI_MBOX_ACTIVE) {
@@ -2738,14 +2749,14 @@ lpfc_sli_issue_mbox(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmbox, uint32_t flag)
 
 			/* Mbox command <mbxCommand> cannot issue */
 			LOG_MBOX_CANNOT_ISSUE_DATA(phba, pmbox, psli, flag);
-			return MBX_NOT_FINISHED;
+			goto out_not_finished;
 		}
 
 		if (!(psli->sli_flag & LPFC_SLI2_ACTIVE)) {
 			spin_unlock_irqrestore(&phba->hbalock, drvr_flag);
 			/* Mbox command <mbxCommand> cannot issue */
 			LOG_MBOX_CANNOT_ISSUE_DATA(phba, pmbox, psli, flag);
-			return MBX_NOT_FINISHED;
+			goto out_not_finished;
 		}
 
 		/* Another mailbox command is still being processed, queue this
@@ -2792,7 +2803,7 @@ lpfc_sli_issue_mbox(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmbox, uint32_t flag)
 			spin_unlock_irqrestore(&phba->hbalock, drvr_flag);
 			/* Mbox command <mbxCommand> cannot issue */
 			LOG_MBOX_CANNOT_ISSUE_DATA(phba, pmbox, psli, flag);
-			return MBX_NOT_FINISHED;
+			goto out_not_finished;
 		}
 		/* timeout active mbox command */
 		mod_timer(&psli->mbox_tmo, (jiffies +
@@ -2900,7 +2911,7 @@ lpfc_sli_issue_mbox(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmbox, uint32_t flag)
 				psli->sli_flag &= ~LPFC_SLI_MBOX_ACTIVE;
 				spin_unlock_irqrestore(&phba->hbalock,
 						       drvr_flag);
-				return MBX_NOT_FINISHED;
+				goto out_not_finished;
 			}
 
 			/* Check if we took a mbox interrupt while we were
@@ -2967,6 +2978,13 @@ lpfc_sli_issue_mbox(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmbox, uint32_t flag)
 
 	spin_unlock_irqrestore(&phba->hbalock, drvr_flag);
 	return status;
+
+out_not_finished:
+	if (processing_queue) {
+		pmbox->mb.mbxStatus = MBX_NOT_FINISHED;
+		lpfc_mbox_cmpl_put(phba, pmbox);
+	}
+	return MBX_NOT_FINISHED;
 }
 
 /*
@@ -3463,26 +3481,21 @@ lpfc_sli_hba_down(struct lpfc_hba *phba)
 	phba->pport->work_port_events &= ~WORKER_MBOX_TMO;
 	spin_unlock(&phba->pport->work_port_lock);
 
+	/* Return any pending or completed mbox cmds */
+	list_splice_init(&phba->sli.mboxq, &completions);
 	if (psli->mbox_active) {
 		list_add_tail(&psli->mbox_active->list, &completions);
 		psli->mbox_active = NULL;
 		psli->sli_flag &= ~LPFC_SLI_MBOX_ACTIVE;
 	}
-
-	/* Return any pending or completed mbox cmds */
-	list_splice_init(&phba->sli.mboxq, &completions);
 	list_splice_init(&phba->sli.mboxq_cmpl, &completions);
-	INIT_LIST_HEAD(&psli->mboxq);
-	INIT_LIST_HEAD(&psli->mboxq_cmpl);
-
 	spin_unlock_irqrestore(&phba->hbalock, flags);
 
 	while (!list_empty(&completions)) {
 		list_remove_head(&completions, pmb, LPFC_MBOXQ_t, list);
 		pmb->mb.mbxStatus = MBX_NOT_FINISHED;
-		if (pmb->mbox_cmpl) {
+		if (pmb->mbox_cmpl)
 			pmb->mbox_cmpl(phba,pmb);
-		}
 	}
 	return 1;
 }
@@ -3613,6 +3626,15 @@ lpfc_sli_abort_els_cmpl(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
 				irsp->ulpStatus, irsp->un.ulpWord[4]);
 
 		/*
+		 *  If the iocb is not found in Firmware queue the iocb
+		 *  might have completed already. Do not free it again.
+		 */
+		if (irsp->ulpStatus == IOSTAT_LOCAL_REJECT) {
+			spin_unlock_irq(&phba->hbalock);
+			lpfc_sli_release_iocbq(phba, cmdiocb);
+			return;
+		}
+		/*
 		 * make sure we have the right iocbq before taking it
 		 * off the txcmplq and try to call completion routine.
 		 */
@@ -4174,6 +4196,7 @@ lpfc_intr_handler(int irq, void *dev_id)
 			phba->pport->stopped = 1;
 		}
 
+		spin_lock(&phba->hbalock);
 		if ((work_ha_copy & HA_MBATT) &&
 		    (phba->sli.mbox_active)) {
 			pmb = phba->sli.mbox_active;
@@ -4184,6 +4207,7 @@ lpfc_intr_handler(int irq, void *dev_id)
 			/* First check out the status word */
 			lpfc_sli_pcimem_bcopy(mbox, pmbox, sizeof(uint32_t));
 			if (pmbox->mbxOwner != OWN_HOST) {
+				spin_unlock(&phba->hbalock);
 				/*
 				 * Stray Mailbox Interrupt, mbxCommand <cmd>
 				 * mbxStatus <status>
@@ -4199,10 +4223,10 @@ lpfc_intr_handler(int irq, void *dev_id)
 				/* clear mailbox attention bit */
 				work_ha_copy &= ~HA_MBATT;
 			} else {
+				phba->sli.mbox_active = NULL;
+				spin_unlock(&phba->hbalock);
 				phba->last_completion_time = jiffies;
 				del_timer(&phba->sli.mbox_tmo);
-
-				phba->sli.mbox_active = NULL;
 				if (pmb->mbox_cmpl) {
 					lpfc_sli_pcimem_bcopy(mbox, pmbox,
 							MAILBOX_CMD_SIZE);
@@ -4237,10 +4261,15 @@ lpfc_intr_handler(int irq, void *dev_id)
 						pmb->context1 = mp;
 						pmb->context2 = ndlp;
 						pmb->vport = vport;
-						spin_lock(&phba->hbalock);
-						phba->sli.sli_flag &=
-							~LPFC_SLI_MBOX_ACTIVE;
-						spin_unlock(&phba->hbalock);
+						rc = lpfc_sli_issue_mbox(phba,
+								pmb,
+								MBX_NOWAIT);
+						if (rc != MBX_BUSY)
+							lpfc_printf_log(phba,
+							KERN_ERR,
+							LOG_MBOX | LOG_SLI,
+							"0306 rc should have"
+							"been MBX_BUSY");
 						goto send_current_mbox;
 					}
 				}
@@ -4250,25 +4279,20 @@ lpfc_intr_handler(int irq, void *dev_id)
 				spin_unlock(&phba->pport->work_port_lock);
 				lpfc_mbox_cmpl_put(phba, pmb);
 			}
-		}
+		} else
+			spin_unlock(&phba->hbalock);
 		if ((work_ha_copy & HA_MBATT) &&
 		    (phba->sli.mbox_active == NULL)) {
-send_next_mbox:
-			spin_lock(&phba->hbalock);
-			phba->sli.sli_flag &= ~LPFC_SLI_MBOX_ACTIVE;
-			pmb = lpfc_mbox_get(phba);
-			spin_unlock(&phba->hbalock);
 send_current_mbox:
 			/* Process next mailbox command if there is one */
-			if (pmb != NULL) {
-				rc = lpfc_sli_issue_mbox(phba, pmb, MBX_NOWAIT);
-				if (rc == MBX_NOT_FINISHED) {
-					pmb->mb.mbxStatus = MBX_NOT_FINISHED;
-					lpfc_mbox_cmpl_put(phba, pmb);
-					goto send_next_mbox;
-				}
-			}
-
+			do {
+				rc = lpfc_sli_issue_mbox(phba, NULL,
+							 MBX_NOWAIT);
+			} while (rc == MBX_NOT_FINISHED);
+			if (rc != MBX_SUCCESS)
+				lpfc_printf_log(phba, KERN_ERR, LOG_MBOX |
+						LOG_SLI, "0349 rc should be "
+						"MBX_SUCCESS");
 		}
 
 		spin_lock(&phba->hbalock);
diff --git a/drivers/scsi/lpfc/lpfc_version.h b/drivers/scsi/lpfc/lpfc_version.h
index ca540d1d041e..b22b893019f4 100644
--- a/drivers/scsi/lpfc/lpfc_version.h
+++ b/drivers/scsi/lpfc/lpfc_version.h
@@ -18,7 +18,7 @@
  * included with this package.                                     *
  *******************************************************************/
 
-#define LPFC_DRIVER_VERSION "8.2.5"
+#define LPFC_DRIVER_VERSION "8.2.6"
 
 #define LPFC_DRIVER_NAME "lpfc"
 
diff --git a/drivers/scsi/lpfc/lpfc_vport.c b/drivers/scsi/lpfc/lpfc_vport.c
index 86d05beb00b8..6feaf59b0b1b 100644
--- a/drivers/scsi/lpfc/lpfc_vport.c
+++ b/drivers/scsi/lpfc/lpfc_vport.c
@@ -538,7 +538,8 @@ lpfc_vport_delete(struct fc_vport *fc_vport)
 	/* Otherwise, we will perform fabric logo as needed */
 	if (ndlp && NLP_CHK_NODE_ACT(ndlp) &&
 	    ndlp->nlp_state == NLP_STE_UNMAPPED_NODE &&
-	    phba->link_state >= LPFC_LINK_UP) {
+	    phba->link_state >= LPFC_LINK_UP &&
+	    phba->fc_topology != TOPOLOGY_LOOP) {
 		if (vport->cfg_enable_da_id) {
 			timeout = msecs_to_jiffies(phba->fc_ratov * 2000);
 			if (!lpfc_ns_cmd(vport, SLI_CTNS_DA_ID, 0, 0))
diff --git a/drivers/scsi/mac_scsi.c b/drivers/scsi/mac_scsi.c
index 3b09ab21d701..0248919bc2df 100644
--- a/drivers/scsi/mac_scsi.c
+++ b/drivers/scsi/mac_scsi.c
@@ -592,7 +592,6 @@ static struct scsi_host_template driver_template = {
 	.this_id			= 7,
 	.sg_tablesize			= SG_ALL,
 	.cmd_per_lun			= CMD_PER_LUN,
-	.unchecked_isa_dma		= 0,
 	.use_clustering			= DISABLE_CLUSTERING
 };
 
diff --git a/drivers/scsi/megaraid/megaraid_sas.c b/drivers/scsi/megaraid/megaraid_sas.c
index 77a62a1b12c3..b937e9cddb23 100644
--- a/drivers/scsi/megaraid/megaraid_sas.c
+++ b/drivers/scsi/megaraid/megaraid_sas.c
@@ -68,6 +68,8 @@ static struct pci_device_id megasas_pci_table[] = {
 	/* xscale IOP */
 	{PCI_DEVICE(PCI_VENDOR_ID_LSI_LOGIC, PCI_DEVICE_ID_LSI_SAS1078R)},
 	/* ppc IOP */
+	{PCI_DEVICE(PCI_VENDOR_ID_LSI_LOGIC, PCI_DEVICE_ID_LSI_SAS1078DE)},
+	/* ppc IOP */
 	{PCI_DEVICE(PCI_VENDOR_ID_LSI_LOGIC, PCI_DEVICE_ID_LSI_VERDE_ZCR)},
 	/* xscale IOP, vega */
 	{PCI_DEVICE(PCI_VENDOR_ID_DELL, PCI_DEVICE_ID_DELL_PERC5)},
@@ -488,12 +490,13 @@ megasas_make_sgl64(struct megasas_instance *instance, struct scsi_cmnd *scp,
 
  /**
  * megasas_get_frame_count - Computes the number of frames
+ * @frame_type		: type of frame- io or pthru frame
  * @sge_count		: number of sg elements
  *
  * Returns the number of frames required for numnber of sge's (sge_count)
  */
 
-static u32 megasas_get_frame_count(u8 sge_count)
+static u32 megasas_get_frame_count(u8 sge_count, u8 frame_type)
 {
 	int num_cnt;
 	int sge_bytes;
@@ -504,13 +507,22 @@ static u32 megasas_get_frame_count(u8 sge_count)
 	    sizeof(struct megasas_sge32);
 
 	/*
-	* Main frame can contain 2 SGEs for 64-bit SGLs and
-	* 3 SGEs for 32-bit SGLs
-	*/
-	if (IS_DMA64)
-		num_cnt = sge_count - 2;
-	else
-		num_cnt = sge_count - 3;
+	 * Main frame can contain 2 SGEs for 64-bit SGLs and
+	 * 3 SGEs for 32-bit SGLs for ldio &
+	 * 1 SGEs for 64-bit SGLs and
+	 * 2 SGEs for 32-bit SGLs for pthru frame
+	 */
+	if (unlikely(frame_type == PTHRU_FRAME)) {
+		if (IS_DMA64)
+			num_cnt = sge_count - 1;
+		else
+			num_cnt = sge_count - 2;
+	} else {
+		if (IS_DMA64)
+			num_cnt = sge_count - 2;
+		else
+			num_cnt = sge_count - 3;
+	}
 
 	if(num_cnt>0){
 		sge_bytes = sge_sz * num_cnt;
@@ -592,7 +604,8 @@ megasas_build_dcdb(struct megasas_instance *instance, struct scsi_cmnd *scp,
 	 * Compute the total number of frames this command consumes. FW uses
 	 * this number to pull sufficient number of frames from host memory.
 	 */
-	cmd->frame_count = megasas_get_frame_count(pthru->sge_count);
+	cmd->frame_count = megasas_get_frame_count(pthru->sge_count,
+							PTHRU_FRAME);
 
 	return cmd->frame_count;
 }
@@ -709,7 +722,7 @@ megasas_build_ldio(struct megasas_instance *instance, struct scsi_cmnd *scp,
 	 * Compute the total number of frames this command consumes. FW uses
 	 * this number to pull sufficient number of frames from host memory.
 	 */
-	cmd->frame_count = megasas_get_frame_count(ldio->sge_count);
+	cmd->frame_count = megasas_get_frame_count(ldio->sge_count, IO_FRAME);
 
 	return cmd->frame_count;
 }
@@ -1460,7 +1473,7 @@ megasas_transition_to_ready(struct megasas_instance* instance)
 			instance->instancet->disable_intr(instance->reg_set);
 			writel(MFI_RESET_FLAGS, &instance->reg_set->inbound_doorbell);
 
-			max_wait = 10;
+			max_wait = 60;
 			cur_state = MFI_STATE_OPERATIONAL;
 			break;
 
@@ -1980,7 +1993,8 @@ static int megasas_init_mfi(struct megasas_instance *instance)
 
 	switch(instance->pdev->device)
 	{
-		case PCI_DEVICE_ID_LSI_SAS1078R:	
+		case PCI_DEVICE_ID_LSI_SAS1078R:
+		case PCI_DEVICE_ID_LSI_SAS1078DE:
 			instance->instancet = &megasas_instance_template_ppc;
 			break;
 		case PCI_DEVICE_ID_LSI_SAS1064R:
@@ -2909,7 +2923,6 @@ megasas_mgmt_fw_ioctl(struct megasas_instance *instance,
 	void *sense = NULL;
 	dma_addr_t sense_handle;
 	u32 *sense_ptr;
-	unsigned long *sense_buff;
 
 	memset(kbuff_arr, 0, sizeof(kbuff_arr));
 
@@ -3014,14 +3027,14 @@ megasas_mgmt_fw_ioctl(struct megasas_instance *instance,
 	 */
 	if (ioc->sense_len) {
 		/*
-		 * sense_buff points to the location that has the user
+		 * sense_ptr points to the location that has the user
 		 * sense buffer address
 		 */
-		sense_buff = (unsigned long *) ((unsigned long)ioc->frame.raw +
-								ioc->sense_off);
+		sense_ptr = (u32 *) ((unsigned long)ioc->frame.raw +
+				     ioc->sense_off);
 
-		if (copy_to_user((void __user *)(unsigned long)(*sense_buff),
-				sense, ioc->sense_len)) {
+		if (copy_to_user((void __user *)((unsigned long)(*sense_ptr)),
+				 sense, ioc->sense_len)) {
 			printk(KERN_ERR "megasas: Failed to copy out to user "
 					"sense data\n");
 			error = -EFAULT;
diff --git a/drivers/scsi/megaraid/megaraid_sas.h b/drivers/scsi/megaraid/megaraid_sas.h
index 6466bdf548c2..3a997eb457bf 100644
--- a/drivers/scsi/megaraid/megaraid_sas.h
+++ b/drivers/scsi/megaraid/megaraid_sas.h
@@ -26,6 +26,7 @@
  * Device IDs
  */
 #define	PCI_DEVICE_ID_LSI_SAS1078R		0x0060
+#define	PCI_DEVICE_ID_LSI_SAS1078DE		0x007C
 #define	PCI_DEVICE_ID_LSI_VERDE_ZCR		0x0413
 
 /*
@@ -542,6 +543,10 @@ struct megasas_ctrl_info {
 
 #define MEGASAS_FW_BUSY				1
 
+/* Frame Type */
+#define IO_FRAME				0
+#define PTHRU_FRAME				1
+
 /*
  * When SCSI mid-layer calls driver's reset routine, driver waits for
  * MEGASAS_RESET_WAIT_TIME seconds for all outstanding IO to complete. Note
diff --git a/drivers/scsi/mvme147.c b/drivers/scsi/mvme147.c
index be41aadccae5..d722235111a8 100644
--- a/drivers/scsi/mvme147.c
+++ b/drivers/scsi/mvme147.c
@@ -82,6 +82,9 @@ int mvme147_detect(struct scsi_host_template *tpnt)
     mvme147_host->irq = MVME147_IRQ_SCSI_PORT;
     regs.SASR = (volatile unsigned char *)0xfffe4000;
     regs.SCMD = (volatile unsigned char *)0xfffe4001;
+    HDATA(mvme147_host)->no_sync = 0xff;
+    HDATA(mvme147_host)->fast = 0;
+    HDATA(mvme147_host)->dma_mode = CTRL_DMA;
     wd33c93_init(mvme147_host, regs, dma_setup, dma_stop, WD33C93_FS_8_10);
 
     if (request_irq(MVME147_IRQ_SCSI_PORT, mvme147_intr, 0, "MVME147 SCSI PORT", mvme147_intr))
diff --git a/drivers/scsi/ps3rom.c b/drivers/scsi/ps3rom.c
index fad6cb5cba28..ce48e2d0193c 100644
--- a/drivers/scsi/ps3rom.c
+++ b/drivers/scsi/ps3rom.c
@@ -26,6 +26,7 @@
 #include <scsi/scsi_dbg.h>
 #include <scsi/scsi_device.h>
 #include <scsi/scsi_host.h>
+#include <scsi/scsi_eh.h>
 
 #include <asm/lv1call.h>
 #include <asm/ps3stor.h>
@@ -90,78 +91,6 @@ static int ps3rom_slave_configure(struct scsi_device *scsi_dev)
 	return 0;
 }
 
-/*
- * copy data from device into scatter/gather buffer
- */
-static int fill_from_dev_buffer(struct scsi_cmnd *cmd, const void *buf)
-{
-	int k, req_len, act_len, len, active;
-	void *kaddr;
-	struct scatterlist *sgpnt;
-	unsigned int buflen;
-
-	buflen = scsi_bufflen(cmd);
-	if (!buflen)
-		return 0;
-
-	if (!scsi_sglist(cmd))
-		return -1;
-
-	active = 1;
-	req_len = act_len = 0;
-	scsi_for_each_sg(cmd, sgpnt, scsi_sg_count(cmd), k) {
-		if (active) {
-			kaddr = kmap_atomic(sg_page(sgpnt), KM_IRQ0);
-			len = sgpnt->length;
-			if ((req_len + len) > buflen) {
-				active = 0;
-				len = buflen - req_len;
-			}
-			memcpy(kaddr + sgpnt->offset, buf + req_len, len);
-			flush_kernel_dcache_page(sg_page(sgpnt));
-			kunmap_atomic(kaddr, KM_IRQ0);
-			act_len += len;
-		}
-		req_len += sgpnt->length;
-	}
-	scsi_set_resid(cmd, buflen - act_len);
-	return 0;
-}
-
-/*
- * copy data from scatter/gather into device's buffer
- */
-static int fetch_to_dev_buffer(struct scsi_cmnd *cmd, void *buf)
-{
-	int k, req_len, len, fin;
-	void *kaddr;
-	struct scatterlist *sgpnt;
-	unsigned int buflen;
-
-	buflen = scsi_bufflen(cmd);
-	if (!buflen)
-		return 0;
-
-	if (!scsi_sglist(cmd))
-		return -1;
-
-	req_len = fin = 0;
-	scsi_for_each_sg(cmd, sgpnt, scsi_sg_count(cmd), k) {
-		kaddr = kmap_atomic(sg_page(sgpnt), KM_IRQ0);
-		len = sgpnt->length;
-		if ((req_len + len) > buflen) {
-			len = buflen - req_len;
-			fin = 1;
-		}
-		memcpy(buf + req_len, kaddr + sgpnt->offset, len);
-		kunmap_atomic(kaddr, KM_IRQ0);
-		if (fin)
-			return req_len + len;
-		req_len += sgpnt->length;
-	}
-	return req_len;
-}
-
 static int ps3rom_atapi_request(struct ps3_storage_device *dev,
 				struct scsi_cmnd *cmd)
 {
@@ -195,9 +124,7 @@ static int ps3rom_atapi_request(struct ps3_storage_device *dev,
 		else
 			atapi_cmnd.proto = PIO_DATA_OUT_PROTO;
 		atapi_cmnd.in_out = DIR_WRITE;
-		res = fetch_to_dev_buffer(cmd, dev->bounce_buf);
-		if (res < 0)
-			return DID_ERROR << 16;
+		scsi_sg_copy_to_buffer(cmd, dev->bounce_buf, dev->bounce_size);
 		break;
 
 	default:
@@ -269,9 +196,7 @@ static int ps3rom_write_request(struct ps3_storage_device *dev,
 	dev_dbg(&dev->sbd.core, "%s:%u: write %u sectors starting at %u\n",
 		__func__, __LINE__, sectors, start_sector);
 
-	res = fetch_to_dev_buffer(cmd, dev->bounce_buf);
-	if (res < 0)
-		return DID_ERROR << 16;
+	scsi_sg_copy_to_buffer(cmd, dev->bounce_buf, dev->bounce_size);
 
 	res = lv1_storage_write(dev->sbd.dev_id,
 				dev->regions[dev->region_idx].id, start_sector,
@@ -381,11 +306,13 @@ static irqreturn_t ps3rom_interrupt(int irq, void *data)
 	if (!status) {
 		/* OK, completed */
 		if (cmd->sc_data_direction == DMA_FROM_DEVICE) {
-			res = fill_from_dev_buffer(cmd, dev->bounce_buf);
-			if (res) {
-				cmd->result = DID_ERROR << 16;
-				goto done;
-			}
+			int len;
+
+			len = scsi_sg_copy_from_buffer(cmd,
+						       dev->bounce_buf,
+						       dev->bounce_size);
+
+			scsi_set_resid(cmd, scsi_bufflen(cmd) - len);
 		}
 		cmd->result = DID_OK << 16;
 		goto done;
@@ -404,11 +331,7 @@ static irqreturn_t ps3rom_interrupt(int irq, void *data)
 		goto done;
 	}
 
-	cmd->sense_buffer[0]  = 0x70;
-	cmd->sense_buffer[2]  = sense_key;
-	cmd->sense_buffer[7]  = 16 - 6;
-	cmd->sense_buffer[12] = asc;
-	cmd->sense_buffer[13] = ascq;
+	scsi_build_sense_buffer(0, cmd->sense_buffer, sense_key, asc, ascq);
 	cmd->result = SAM_STAT_CHECK_CONDITION;
 
 done:
@@ -427,7 +350,7 @@ static struct scsi_host_template ps3rom_host_template = {
 	.cmd_per_lun =		1,
 	.emulated =             1,		/* only sg driver uses this */
 	.max_sectors =		PS3ROM_MAX_SECTORS,
-	.use_clustering =	DISABLE_CLUSTERING,
+	.use_clustering =	ENABLE_CLUSTERING,
 	.module =		THIS_MODULE,
 };
 
diff --git a/drivers/scsi/qla1280.c b/drivers/scsi/qla1280.c
index 68c0d09ffe78..09ab3eac1c1a 100644
--- a/drivers/scsi/qla1280.c
+++ b/drivers/scsi/qla1280.c
@@ -333,7 +333,6 @@
 
 #include <linux/module.h>
 
-#include <linux/version.h>
 #include <linux/types.h>
 #include <linux/string.h>
 #include <linux/errno.h>
@@ -367,10 +366,6 @@
 #include <asm/sn/io.h>
 #endif
 
-#if LINUX_VERSION_CODE < 0x020600
-#error "Kernels older than 2.6.0 are no longer supported"
-#endif
-
 
 /*
  * Compile time Options:
diff --git a/drivers/scsi/qla2xxx/Kconfig b/drivers/scsi/qla2xxx/Kconfig
index 8c865b9e02b5..6208d562890d 100644
--- a/drivers/scsi/qla2xxx/Kconfig
+++ b/drivers/scsi/qla2xxx/Kconfig
@@ -16,7 +16,8 @@ config SCSI_QLA_FC
 	22xx              ql2200_fw.bin
 	2300, 2312, 6312  ql2300_fw.bin
 	2322, 6322        ql2322_fw.bin
-	24xx              ql2400_fw.bin
+	24xx, 54xx        ql2400_fw.bin
+	25xx              ql2500_fw.bin
 
 	Upon request, the driver caches the firmware image until
 	the driver is unloaded.
diff --git a/drivers/scsi/qla2xxx/qla_attr.c b/drivers/scsi/qla2xxx/qla_attr.c
index 4894dc886b62..413d8cd6a324 100644
--- a/drivers/scsi/qla2xxx/qla_attr.c
+++ b/drivers/scsi/qla2xxx/qla_attr.c
@@ -1,6 +1,6 @@
 /*
  * QLogic Fibre Channel HBA Driver
- * Copyright (c)  2003-2005 QLogic Corporation
+ * Copyright (c)  2003-2008 QLogic Corporation
  *
  * See LICENSE.qla2xxx for copyright and licensing details.
  */
@@ -849,20 +849,20 @@ static void
 qla2x00_get_host_speed(struct Scsi_Host *shost)
 {
 	scsi_qla_host_t *ha = to_qla_parent(shost_priv(shost));
-	uint32_t speed = 0;
+	u32 speed = FC_PORTSPEED_UNKNOWN;
 
 	switch (ha->link_data_rate) {
 	case PORT_SPEED_1GB:
-		speed = 1;
+		speed = FC_PORTSPEED_1GBIT;
 		break;
 	case PORT_SPEED_2GB:
-		speed = 2;
+		speed = FC_PORTSPEED_2GBIT;
 		break;
 	case PORT_SPEED_4GB:
-		speed = 4;
+		speed = FC_PORTSPEED_4GBIT;
 		break;
 	case PORT_SPEED_8GB:
-		speed = 8;
+		speed = FC_PORTSPEED_8GBIT;
 		break;
 	}
 	fc_host_speed(shost) = speed;
@@ -900,7 +900,8 @@ qla2x00_get_starget_node_name(struct scsi_target *starget)
 	u64 node_name = 0;
 
 	list_for_each_entry(fcport, &ha->fcports, list) {
-		if (starget->id == fcport->os_target_id) {
+		if (fcport->rport &&
+		    starget->id == fcport->rport->scsi_target_id) {
 			node_name = wwn_to_u64(fcport->node_name);
 			break;
 		}
@@ -918,7 +919,8 @@ qla2x00_get_starget_port_name(struct scsi_target *starget)
 	u64 port_name = 0;
 
 	list_for_each_entry(fcport, &ha->fcports, list) {
-		if (starget->id == fcport->os_target_id) {
+		if (fcport->rport &&
+		    starget->id == fcport->rport->scsi_target_id) {
 			port_name = wwn_to_u64(fcport->port_name);
 			break;
 		}
@@ -936,7 +938,8 @@ qla2x00_get_starget_port_id(struct scsi_target *starget)
 	uint32_t port_id = ~0U;
 
 	list_for_each_entry(fcport, &ha->fcports, list) {
-		if (starget->id == fcport->os_target_id) {
+		if (fcport->rport &&
+		    starget->id == fcport->rport->scsi_target_id) {
 			port_id = fcport->d_id.b.domain << 16 |
 			    fcport->d_id.b.area << 8 | fcport->d_id.b.al_pa;
 			break;
@@ -1196,6 +1199,7 @@ struct fc_function_template qla2xxx_transport_functions = {
 	.show_host_node_name = 1,
 	.show_host_port_name = 1,
 	.show_host_supported_classes = 1,
+	.show_host_supported_speeds = 1,
 
 	.get_host_port_id = qla2x00_get_host_port_id,
 	.show_host_port_id = 1,
@@ -1276,9 +1280,23 @@ struct fc_function_template qla2xxx_transport_vport_functions = {
 void
 qla2x00_init_host_attr(scsi_qla_host_t *ha)
 {
+	u32 speed = FC_PORTSPEED_UNKNOWN;
+
 	fc_host_node_name(ha->host) = wwn_to_u64(ha->node_name);
 	fc_host_port_name(ha->host) = wwn_to_u64(ha->port_name);
 	fc_host_supported_classes(ha->host) = FC_COS_CLASS3;
 	fc_host_max_npiv_vports(ha->host) = ha->max_npiv_vports;;
 	fc_host_npiv_vports_inuse(ha->host) = ha->cur_vport_count;
+
+	if (IS_QLA25XX(ha))
+		speed = FC_PORTSPEED_8GBIT | FC_PORTSPEED_4GBIT |
+		    FC_PORTSPEED_2GBIT | FC_PORTSPEED_1GBIT;
+	else if (IS_QLA24XX_TYPE(ha))
+		speed = FC_PORTSPEED_4GBIT | FC_PORTSPEED_2GBIT |
+		    FC_PORTSPEED_1GBIT;
+	else if (IS_QLA23XX(ha))
+		speed = FC_PORTSPEED_2GBIT | FC_PORTSPEED_1GBIT;
+	else
+		speed = FC_PORTSPEED_1GBIT;
+	fc_host_supported_speeds(ha->host) = speed;
 }
diff --git a/drivers/scsi/qla2xxx/qla_dbg.c b/drivers/scsi/qla2xxx/qla_dbg.c
index d88e98c476b0..9d12d9f26209 100644
--- a/drivers/scsi/qla2xxx/qla_dbg.c
+++ b/drivers/scsi/qla2xxx/qla_dbg.c
@@ -1,6 +1,6 @@
 /*
  * QLogic Fibre Channel HBA Driver
- * Copyright (c)  2003-2005 QLogic Corporation
+ * Copyright (c)  2003-2008 QLogic Corporation
  *
  * See LICENSE.qla2xxx for copyright and licensing details.
  */
@@ -1410,125 +1410,3 @@ qla2x00_dump_buffer(uint8_t * b, uint32_t size)
 	if (cnt % 16)
 		printk("\n");
 }
-
-/**************************************************************************
- *   qla2x00_print_scsi_cmd
- *	 Dumps out info about the scsi cmd and srb.
- *   Input
- *	 cmd : struct scsi_cmnd
- **************************************************************************/
-void
-qla2x00_print_scsi_cmd(struct scsi_cmnd * cmd)
-{
-	int i;
-	struct scsi_qla_host *ha;
-	srb_t *sp;
-
-	ha = shost_priv(cmd->device->host);
-
-	sp = (srb_t *) cmd->SCp.ptr;
-	printk("SCSI Command @=0x%p, Handle=0x%p\n", cmd, cmd->host_scribble);
-	printk("  chan=0x%02x, target=0x%02x, lun=0x%02x, cmd_len=0x%02x\n",
-	    cmd->device->channel, cmd->device->id, cmd->device->lun,
-	    cmd->cmd_len);
-	printk(" CDB: ");
-	for (i = 0; i < cmd->cmd_len; i++) {
-		printk("0x%02x ", cmd->cmnd[i]);
-	}
-	printk("\n  seg_cnt=%d, allowed=%d, retries=%d\n",
-	       scsi_sg_count(cmd), cmd->allowed, cmd->retries);
-	printk("  request buffer=0x%p, request buffer len=0x%x\n",
-	       scsi_sglist(cmd), scsi_bufflen(cmd));
-	printk("  tag=%d, transfersize=0x%x\n",
-	    cmd->tag, cmd->transfersize);
-	printk("  serial_number=%lx, SP=%p\n", cmd->serial_number, sp);
-	printk("  data direction=%d\n", cmd->sc_data_direction);
-
-	if (!sp)
-		return;
-
-	printk("  sp flags=0x%x\n", sp->flags);
-}
-
-#if defined(QL_DEBUG_ROUTINES)
-/*
- * qla2x00_formatted_dump_buffer
- *       Prints string plus buffer.
- *
- * Input:
- *       string  = Null terminated string (no newline at end).
- *       buffer  = buffer address.
- *       wd_size = word size 8, 16, 32 or 64 bits
- *       count   = number of words.
- */
-void
-qla2x00_formatted_dump_buffer(char *string, uint8_t * buffer,
-				uint8_t wd_size, uint32_t count)
-{
-	uint32_t cnt;
-	uint16_t *buf16;
-	uint32_t *buf32;
-
-	if (strcmp(string, "") != 0)
-		printk("%s\n",string);
-
-	switch (wd_size) {
-		case 8:
-			printk(" 0    1    2    3    4    5    6    7    "
-				"8    9    Ah   Bh   Ch   Dh   Eh   Fh\n");
-			printk("-----------------------------------------"
-				"-------------------------------------\n");
-
-			for (cnt = 1; cnt <= count; cnt++, buffer++) {
-				printk("%02x",*buffer);
-				if (cnt % 16 == 0)
-					printk("\n");
-				else
-					printk("  ");
-			}
-			if (cnt % 16 != 0)
-				printk("\n");
-			break;
-		case 16:
-			printk("   0      2      4      6      8      Ah "
-				"	Ch     Eh\n");
-			printk("-----------------------------------------"
-				"-------------\n");
-
-			buf16 = (uint16_t *) buffer;
-			for (cnt = 1; cnt <= count; cnt++, buf16++) {
-				printk("%4x",*buf16);
-
-				if (cnt % 8 == 0)
-					printk("\n");
-				else if (*buf16 < 10)
-					printk("   ");
-				else
-					printk("  ");
-			}
-			if (cnt % 8 != 0)
-				printk("\n");
-			break;
-		case 32:
-			printk("       0          4          8          Ch\n");
-			printk("------------------------------------------\n");
-
-			buf32 = (uint32_t *) buffer;
-			for (cnt = 1; cnt <= count; cnt++, buf32++) {
-				printk("%8x", *buf32);
-
-				if (cnt % 4 == 0)
-					printk("\n");
-				else if (*buf32 < 10)
-					printk("   ");
-				else
-					printk("  ");
-			}
-			if (cnt % 4 != 0)
-				printk("\n");
-			break;
-		default:
-			break;
-	}
-}
-#endif
diff --git a/drivers/scsi/qla2xxx/qla_dbg.h b/drivers/scsi/qla2xxx/qla_dbg.h
index 524598afc81c..2e9c0c097f5e 100644
--- a/drivers/scsi/qla2xxx/qla_dbg.h
+++ b/drivers/scsi/qla2xxx/qla_dbg.h
@@ -1,6 +1,6 @@
 /*
  * QLogic Fibre Channel HBA Driver
- * Copyright (c)  2003-2005 QLogic Corporation
+ * Copyright (c)  2003-2008 QLogic Corporation
  *
  * See LICENSE.qla2xxx for copyright and licensing details.
  */
@@ -22,19 +22,7 @@
 /* #define QL_DEBUG_LEVEL_13 */ /* Output fdmi function trace msgs */
 /* #define QL_DEBUG_LEVEL_14 */ /* Output RSCN trace msgs */
 /* #define QL_DEBUG_LEVEL_15 */ /* Output NPIV trace msgs */
-/*
- *  Local Macro Definitions.
- */
-#if defined(QL_DEBUG_LEVEL_1)  || defined(QL_DEBUG_LEVEL_2) || \
-    defined(QL_DEBUG_LEVEL_3)  || defined(QL_DEBUG_LEVEL_4) || \
-    defined(QL_DEBUG_LEVEL_5)  || defined(QL_DEBUG_LEVEL_6) || \
-    defined(QL_DEBUG_LEVEL_7)  || defined(QL_DEBUG_LEVEL_8) || \
-    defined(QL_DEBUG_LEVEL_9)  || defined(QL_DEBUG_LEVEL_10) || \
-    defined(QL_DEBUG_LEVEL_11) || defined(QL_DEBUG_LEVEL_12) || \
-    defined(QL_DEBUG_LEVEL_13) || defined(QL_DEBUG_LEVEL_14) || \
-    defined(QL_DEBUG_LEVEL_15)
-    #define QL_DEBUG_ROUTINES
-#endif
+/* #define QL_DEBUG_LEVEL_16 */ /* Output ISP84XX trace msgs */
 
 /*
 * Macros use for debugging the driver.
@@ -54,6 +42,7 @@
 #define DEBUG2_9_10(x)	do { if (ql2xextended_error_logging) { x; } } while (0)
 #define DEBUG2_11(x)	do { if (ql2xextended_error_logging) { x; } } while (0)
 #define DEBUG2_13(x)	do { if (ql2xextended_error_logging) { x; } } while (0)
+#define DEBUG2_16(x)	do { if (ql2xextended_error_logging) { x; } } while (0)
 
 #if defined(QL_DEBUG_LEVEL_3)
 #define DEBUG3(x)	do {x;} while (0)
@@ -133,6 +122,12 @@
 #define DEBUG15(x)	do {} while (0)
 #endif
 
+#if defined(QL_DEBUG_LEVEL_16)
+#define DEBUG16(x)	do {x;} while (0)
+#else
+#define DEBUG16(x)	do {} while (0)
+#endif
+
 /*
  * Firmware Dump structure definition
  */
diff --git a/drivers/scsi/qla2xxx/qla_def.h b/drivers/scsi/qla2xxx/qla_def.h
index 3750319f4968..094d95f0764c 100644
--- a/drivers/scsi/qla2xxx/qla_def.h
+++ b/drivers/scsi/qla2xxx/qla_def.h
@@ -1,6 +1,6 @@
 /*
  * QLogic Fibre Channel HBA Driver
- * Copyright (c)  2003-2005 QLogic Corporation
+ * Copyright (c)  2003-2008 QLogic Corporation
  *
  * See LICENSE.qla2xxx for copyright and licensing details.
  */
@@ -24,6 +24,7 @@
 #include <linux/workqueue.h>
 #include <linux/firmware.h>
 #include <linux/aer.h>
+#include <linux/mutex.h>
 #include <asm/semaphore.h>
 
 #include <scsi/scsi.h>
@@ -192,9 +193,6 @@ typedef struct srb {
 
 	uint16_t flags;
 
-	/* Single transfer DMA context */
-	dma_addr_t dma_handle;
-
 	uint32_t request_sense_length;
 	uint8_t *request_sense_ptr;
 } srb_t;
@@ -1542,8 +1540,6 @@ typedef struct fc_port {
 	atomic_t state;
 	uint32_t flags;
 
-	unsigned int os_target_id;
-
 	int port_login_retry_count;
 	int login_retry;
 	atomic_t port_down_timer;
@@ -1613,6 +1609,7 @@ typedef struct fc_port {
 #define CT_ACCEPT_RESPONSE	0x8002
 #define CT_REASON_INVALID_COMMAND_CODE	0x01
 #define CT_REASON_CANNOT_PERFORM	0x09
+#define CT_REASON_COMMAND_UNSUPPORTED	0x0b
 #define CT_EXPL_ALREADY_REGISTERED	0x10
 
 #define NS_N_PORT_TYPE	0x01
@@ -2063,7 +2060,8 @@ struct isp_operations {
 	void (*disable_intrs) (struct scsi_qla_host *);
 
 	int (*abort_command) (struct scsi_qla_host *, srb_t *);
-	int (*abort_target) (struct fc_port *);
+	int (*target_reset) (struct fc_port *, unsigned int);
+	int (*lun_reset) (struct fc_port *, unsigned int);
 	int (*fabric_login) (struct scsi_qla_host *, uint16_t, uint8_t,
 		uint8_t, uint8_t, uint16_t *, uint8_t);
 	int (*fabric_logout) (struct scsi_qla_host *, uint16_t, uint8_t,
@@ -2117,6 +2115,46 @@ struct qla_msix_entry {
 
 #define	WATCH_INTERVAL		1       /* number of seconds */
 
+/* Work events.  */
+enum qla_work_type {
+	QLA_EVT_AEN,
+	QLA_EVT_HWE_LOG,
+};
+
+
+struct qla_work_evt {
+	struct list_head	list;
+	enum qla_work_type	type;
+	u32			flags;
+#define QLA_EVT_FLAG_FREE	0x1
+
+	union {
+		struct {
+			enum fc_host_event_code code;
+			u32 data;
+		} aen;
+		struct {
+			uint16_t code;
+			uint16_t d1, d2, d3;
+		} hwe;
+	} u;
+};
+
+struct qla_chip_state_84xx {
+	struct list_head list;
+	struct kref kref;
+
+	void *bus;
+	spinlock_t access_lock;
+	struct mutex fw_update_mutex;
+	uint32_t fw_update;
+	uint32_t op_fw_version;
+	uint32_t op_fw_size;
+	uint32_t op_fw_seq_size;
+	uint32_t diag_fw_version;
+	uint32_t gold_fw_version;
+};
+
 /*
  * Linux Host Adapter structure
  */
@@ -2155,6 +2193,7 @@ typedef struct scsi_qla_host {
 		uint32_t        vsan_enabled            :1;
 		uint32_t	npiv_supported		:1;
 		uint32_t	fce_enabled		:1;
+		uint32_t	hw_event_marker_found	:1;
 	} flags;
 
 	atomic_t	loop_state;
@@ -2204,6 +2243,7 @@ typedef struct scsi_qla_host {
 #define	DFLG_NO_CABLE			BIT_4
 
 #define PCI_DEVICE_ID_QLOGIC_ISP2532	0x2532
+#define PCI_DEVICE_ID_QLOGIC_ISP8432	0x8432
 	uint32_t	device_type;
 #define DT_ISP2100			BIT_0
 #define DT_ISP2200			BIT_1
@@ -2217,7 +2257,8 @@ typedef struct scsi_qla_host {
 #define DT_ISP5422			BIT_9
 #define DT_ISP5432			BIT_10
 #define DT_ISP2532			BIT_11
-#define DT_ISP_LAST			(DT_ISP2532 << 1)
+#define DT_ISP8432			BIT_12
+#define DT_ISP_LAST			(DT_ISP8432 << 1)
 
 #define DT_IIDMA			BIT_26
 #define DT_FWI2				BIT_27
@@ -2239,12 +2280,16 @@ typedef struct scsi_qla_host {
 #define IS_QLA5422(ha)	(DT_MASK(ha) & DT_ISP5422)
 #define IS_QLA5432(ha)	(DT_MASK(ha) & DT_ISP5432)
 #define IS_QLA2532(ha)	(DT_MASK(ha) & DT_ISP2532)
+#define IS_QLA8432(ha)	(DT_MASK(ha) & DT_ISP8432)
 
 #define IS_QLA23XX(ha)	(IS_QLA2300(ha) || IS_QLA2312(ha) || IS_QLA2322(ha) || \
     			 IS_QLA6312(ha) || IS_QLA6322(ha))
 #define IS_QLA24XX(ha)	(IS_QLA2422(ha) || IS_QLA2432(ha))
 #define IS_QLA54XX(ha)	(IS_QLA5422(ha) || IS_QLA5432(ha))
 #define IS_QLA25XX(ha)	(IS_QLA2532(ha))
+#define IS_QLA84XX(ha)	(IS_QLA8432(ha))
+#define IS_QLA24XX_TYPE(ha)	(IS_QLA24XX(ha) || IS_QLA54XX(ha) || \
+			IS_QLA84XX(ha))
 
 #define IS_IIDMA_CAPABLE(ha)	((ha)->device_type & DT_IIDMA)
 #define IS_FWI2_CAPABLE(ha)	((ha)->device_type & DT_FWI2)
@@ -2356,6 +2401,8 @@ typedef struct scsi_qla_host {
         uint32_t	login_retry_count;
 	int		max_q_depth;
 
+	struct list_head	work_list;
+
 	/* Fibre Channel Device List. */
 	struct list_head	fcports;
 
@@ -2423,8 +2470,6 @@ typedef struct scsi_qla_host {
 #define  MBX_TIMEDOUT		BIT_5
 #define  MBX_ACCESS_TIMEDOUT	BIT_6
 
-	mbx_cmd_t 	mc;
-
 	/* Basic firmware related information. */
 	uint16_t	fw_major_version;
 	uint16_t	fw_minor_version;
@@ -2458,6 +2503,10 @@ typedef struct scsi_qla_host {
 	uint64_t	fce_wr, fce_rd;
 	struct mutex	fce_mutex;
 
+	uint32_t	hw_event_start;
+	uint32_t	hw_event_ptr;
+	uint32_t	hw_event_pause_errors;
+
 	uint8_t		host_str[16];
 	uint32_t	pci_attr;
 	uint16_t	chip_revision;
@@ -2493,6 +2542,13 @@ typedef struct scsi_qla_host {
 	uint8_t		fcode_revision[16];
 	uint32_t	fw_revision[4];
 
+	uint16_t	fdt_odd_index;
+	uint32_t	fdt_wrt_disable;
+	uint32_t	fdt_erase_cmd;
+	uint32_t	fdt_block_size;
+	uint32_t	fdt_unprotect_sec_cmd;
+	uint32_t	fdt_protect_sec_cmd;
+
 	/* Needed for BEACON */
 	uint16_t	beacon_blink_led;
 	uint8_t		beacon_color_state;
@@ -2538,6 +2594,8 @@ typedef struct scsi_qla_host {
 #define VP_ERR_ADAP_NORESOURCES	5
 	uint16_t	max_npiv_vports;	/* 63 or 125 per topoloty */
 	int		cur_vport_count;
+
+	struct qla_chip_state_84xx *cs84xx;
 } scsi_qla_host_t;
 
 
diff --git a/drivers/scsi/qla2xxx/qla_dfs.c b/drivers/scsi/qla2xxx/qla_dfs.c
index 2cd899bfe84b..561a4411719d 100644
--- a/drivers/scsi/qla2xxx/qla_dfs.c
+++ b/drivers/scsi/qla2xxx/qla_dfs.c
@@ -1,6 +1,6 @@
 /*
  * QLogic Fibre Channel HBA Driver
- * Copyright (c)  2003-2005 QLogic Corporation
+ * Copyright (c)  2003-2008 QLogic Corporation
  *
  * See LICENSE.qla2xxx for copyright and licensing details.
  */
diff --git a/drivers/scsi/qla2xxx/qla_fw.h b/drivers/scsi/qla2xxx/qla_fw.h
index 9337e138ed63..078f2a15f40b 100644
--- a/drivers/scsi/qla2xxx/qla_fw.h
+++ b/drivers/scsi/qla2xxx/qla_fw.h
@@ -1,6 +1,6 @@
 /*
  * QLogic Fibre Channel HBA Driver
- * Copyright (c)  2003-2005 QLogic Corporation
+ * Copyright (c)  2003-2008 QLogic Corporation
  *
  * See LICENSE.qla2xxx for copyright and licensing details.
  */
@@ -719,7 +719,7 @@ struct tsk_mgmt_entry {
 
 	uint16_t timeout;		/* Command timeout. */
 
-	uint8_t lun[8];			/* FCP LUN (BE). */
+	struct scsi_lun lun;		/* FCP LUN (BE). */
 
 	uint32_t control_flags;		/* Control Flags. */
 #define TCF_NOTMCMD_TO_TARGET	BIT_31
@@ -793,7 +793,19 @@ struct device_reg_24xx {
 #define FA_VPD_NVRAM_ADDR	0x48000
 #define FA_FEATURE_ADDR		0x4C000
 #define FA_FLASH_DESCR_ADDR	0x50000
-#define FA_HW_EVENT_ADDR	0x54000
+#define FA_HW_EVENT0_ADDR	0x54000
+#define FA_HW_EVENT1_ADDR	0x54200
+#define FA_HW_EVENT_SIZE	0x200
+#define FA_HW_EVENT_ENTRY_SIZE	4
+/*
+ * Flash Error Log Event Codes.
+ */
+#define HW_EVENT_RESET_ERR	0xF00B
+#define HW_EVENT_ISP_ERR	0xF020
+#define HW_EVENT_PARITY_ERR	0xF022
+#define HW_EVENT_NVRAM_CHKSUM_ERR	0xF023
+#define HW_EVENT_FLASH_FW_ERR	0xF024
+
 #define FA_BOOT_LOG_ADDR	0x58000
 #define FA_FW_DUMP0_ADDR	0x60000
 #define FA_FW_DUMP1_ADDR	0x70000
@@ -1174,4 +1186,159 @@ struct vf_evfp_entry_24xx {
 };
 
 /* END MID Support ***********************************************************/
+
+/* Flash Description Table ***************************************************/
+
+struct qla_fdt_layout {
+	uint8_t sig[4];
+	uint16_t version;
+	uint16_t len;
+	uint16_t checksum;
+	uint8_t unused1[2];
+	uint8_t model[16];
+	uint16_t man_id;
+	uint16_t id;
+	uint8_t flags;
+	uint8_t erase_cmd;
+	uint8_t alt_erase_cmd;
+	uint8_t wrt_enable_cmd;
+	uint8_t wrt_enable_bits;
+	uint8_t wrt_sts_reg_cmd;
+	uint8_t unprotect_sec_cmd;
+	uint8_t read_man_id_cmd;
+	uint32_t block_size;
+	uint32_t alt_block_size;
+	uint32_t flash_size;
+	uint32_t wrt_enable_data;
+	uint8_t read_id_addr_len;
+	uint8_t wrt_disable_bits;
+	uint8_t read_dev_id_len;
+	uint8_t chip_erase_cmd;
+	uint16_t read_timeout;
+	uint8_t protect_sec_cmd;
+	uint8_t unused2[65];
+};
+
+/* 84XX Support **************************************************************/
+
+#define MBA_ISP84XX_ALERT	0x800f  /* Alert Notification. */
+#define A84_PANIC_RECOVERY	0x1
+#define A84_OP_LOGIN_COMPLETE	0x2
+#define A84_DIAG_LOGIN_COMPLETE	0x3
+#define A84_GOLD_LOGIN_COMPLETE	0x4
+
+#define MBC_ISP84XX_RESET	0x3a    /* Reset. */
+
+#define FSTATE_REMOTE_FC_DOWN	BIT_0
+#define FSTATE_NSL_LINK_DOWN	BIT_1
+#define FSTATE_IS_DIAG_FW	BIT_2
+#define FSTATE_LOGGED_IN	BIT_3
+#define FSTATE_WAITING_FOR_VERIFY	BIT_4
+
+#define VERIFY_CHIP_IOCB_TYPE	0x1B
+struct verify_chip_entry_84xx {
+	uint8_t entry_type;
+	uint8_t entry_count;
+	uint8_t sys_defined;
+	uint8_t entry_status;
+
+	uint32_t handle;
+
+	uint16_t options;
+#define VCO_DONT_UPDATE_FW	BIT_0
+#define VCO_FORCE_UPDATE	BIT_1
+#define VCO_DONT_RESET_UPDATE	BIT_2
+#define VCO_DIAG_FW		BIT_3
+#define VCO_END_OF_DATA		BIT_14
+#define VCO_ENABLE_DSD		BIT_15
+
+	uint16_t reserved_1;
+
+	uint16_t data_seg_cnt;
+	uint16_t reserved_2[3];
+
+	uint32_t fw_ver;
+	uint32_t exchange_address;
+
+	uint32_t reserved_3[3];
+	uint32_t fw_size;
+	uint32_t fw_seq_size;
+	uint32_t relative_offset;
+
+	uint32_t dseg_address[2];
+	uint32_t dseg_length;
+};
+
+struct verify_chip_rsp_84xx {
+	uint8_t entry_type;
+	uint8_t entry_count;
+	uint8_t sys_defined;
+	uint8_t entry_status;
+
+	uint32_t handle;
+
+	uint16_t comp_status;
+#define CS_VCS_CHIP_FAILURE	0x3
+#define CS_VCS_BAD_EXCHANGE	0x8
+#define CS_VCS_SEQ_COMPLETEi	0x40
+
+	uint16_t failure_code;
+#define VFC_CHECKSUM_ERROR	0x1
+#define VFC_INVALID_LEN		0x2
+#define VFC_ALREADY_IN_PROGRESS	0x8
+
+	uint16_t reserved_1[4];
+
+	uint32_t fw_ver;
+	uint32_t exchange_address;
+
+	uint32_t reserved_2[6];
+};
+
+#define ACCESS_CHIP_IOCB_TYPE	0x2B
+struct access_chip_84xx {
+	uint8_t entry_type;
+	uint8_t entry_count;
+	uint8_t sys_defined;
+	uint8_t entry_status;
+
+	uint32_t handle;
+
+	uint16_t options;
+#define ACO_DUMP_MEMORY		0x0
+#define ACO_LOAD_MEMORY		0x1
+#define ACO_CHANGE_CONFIG_PARAM	0x2
+#define ACO_REQUEST_INFO	0x3
+
+	uint16_t reserved1;
+
+	uint16_t dseg_count;
+	uint16_t reserved2[3];
+
+	uint32_t parameter1;
+	uint32_t parameter2;
+	uint32_t parameter3;
+
+	uint32_t reserved3[3];
+	uint32_t total_byte_cnt;
+	uint32_t reserved4;
+
+	uint32_t dseg_address[2];
+	uint32_t dseg_length;
+};
+
+struct access_chip_rsp_84xx {
+	uint8_t entry_type;
+	uint8_t entry_count;
+	uint8_t sys_defined;
+	uint8_t entry_status;
+
+	uint32_t handle;
+
+	uint16_t comp_status;
+	uint16_t failure_code;
+	uint32_t residual_count;
+
+	uint32_t reserved[12];
+};
 #endif
diff --git a/drivers/scsi/qla2xxx/qla_gbl.h b/drivers/scsi/qla2xxx/qla_gbl.h
index 193f688ec3d7..a9571c214a9e 100644
--- a/drivers/scsi/qla2xxx/qla_gbl.h
+++ b/drivers/scsi/qla2xxx/qla_gbl.h
@@ -1,6 +1,6 @@
 /*
  * QLogic Fibre Channel HBA Driver
- * Copyright (c)  2003-2005 QLogic Corporation
+ * Copyright (c)  2003-2008 QLogic Corporation
  *
  * See LICENSE.qla2xxx for copyright and licensing details.
  */
@@ -38,9 +38,6 @@ extern int qla2x00_loop_resync(scsi_qla_host_t *);
 extern int qla2x00_fabric_login(scsi_qla_host_t *, fc_port_t *, uint16_t *);
 extern int qla2x00_local_device_login(scsi_qla_host_t *, fc_port_t *);
 
-extern void qla2x00_restart_queues(scsi_qla_host_t *, uint8_t);
-
-extern void qla2x00_rescan_fcports(scsi_qla_host_t *);
 extern void qla2x00_update_fcports(scsi_qla_host_t *);
 
 extern int qla2x00_abort_isp(scsi_qla_host_t *);
@@ -50,6 +47,8 @@ extern void qla2x00_update_fcport(scsi_qla_host_t *, fc_port_t *);
 extern void qla2x00_alloc_fw_dump(scsi_qla_host_t *);
 extern void qla2x00_try_to_stop_firmware(scsi_qla_host_t *);
 
+extern void qla84xx_put_chip(struct scsi_qla_host *);
+
 /*
  * Global Data in qla_os.c source file.
  */
@@ -67,6 +66,10 @@ extern int num_hosts;
 
 extern int qla2x00_loop_reset(scsi_qla_host_t *);
 extern void qla2x00_abort_all_cmds(scsi_qla_host_t *, int);
+extern int qla2x00_post_aen_work(struct scsi_qla_host *, enum
+    fc_host_event_code, u32);
+extern int qla2x00_post_hwe_work(struct scsi_qla_host *, uint16_t , uint16_t,
+    uint16_t, uint16_t);
 
 /*
  * Global Functions in qla_mid.c source file.
@@ -149,12 +152,17 @@ extern int
 qla2x00_issue_iocb(scsi_qla_host_t *, void *, dma_addr_t, size_t);
 
 extern int
+qla2x00_issue_iocb_timeout(scsi_qla_host_t *, void *, dma_addr_t, size_t,
+    uint32_t);
+
+extern int
 qla2x00_abort_command(scsi_qla_host_t *, srb_t *);
 
-#if USE_ABORT_TGT
 extern int
-qla2x00_abort_target(fc_port_t *);
-#endif
+qla2x00_abort_target(struct fc_port *, unsigned int);
+
+extern int
+qla2x00_lun_reset(struct fc_port *, unsigned int);
 
 extern int
 qla2x00_get_adapter_id(scsi_qla_host_t *, uint16_t *, uint8_t *, uint8_t *,
@@ -220,7 +228,8 @@ qla24xx_get_isp_stats(scsi_qla_host_t *, struct link_statistics *,
     dma_addr_t);
 
 extern int qla24xx_abort_command(scsi_qla_host_t *, srb_t *);
-extern int qla24xx_abort_target(fc_port_t *);
+extern int qla24xx_abort_target(struct fc_port *, unsigned int);
+extern int qla24xx_lun_reset(struct fc_port *, unsigned int);
 
 extern int
 qla2x00_set_serdes_params(scsi_qla_host_t *, uint16_t, uint16_t, uint16_t);
@@ -246,6 +255,8 @@ qla2x00_read_sfp(scsi_qla_host_t *, dma_addr_t, uint16_t, uint16_t, uint16_t);
 extern int
 qla2x00_set_idma_speed(scsi_qla_host_t *, uint16_t, uint16_t, uint16_t *);
 
+extern int qla84xx_verify_chip(struct scsi_qla_host *, uint16_t *);
+
 /*
  * Global Function Prototypes in qla_isr.c source file.
  */
@@ -298,6 +309,11 @@ extern uint8_t *qla25xx_read_optrom_data(struct scsi_qla_host *, uint8_t *,
 extern int qla2x00_get_flash_version(scsi_qla_host_t *, void *);
 extern int qla24xx_get_flash_version(scsi_qla_host_t *, void *);
 
+extern int qla2xxx_hw_event_log(scsi_qla_host_t *, uint16_t , uint16_t,
+    uint16_t, uint16_t);
+
+extern void qla2xxx_get_flash_info(scsi_qla_host_t *);
+
 /*
  * Global Function Prototypes in qla_dbg.c source file.
  */
@@ -307,7 +323,6 @@ extern void qla24xx_fw_dump(scsi_qla_host_t *, int);
 extern void qla25xx_fw_dump(scsi_qla_host_t *, int);
 extern void qla2x00_dump_regs(scsi_qla_host_t *);
 extern void qla2x00_dump_buffer(uint8_t *, uint32_t);
-extern void qla2x00_print_scsi_cmd(struct scsi_cmnd *);
 
 /*
  * Global Function Prototypes in qla_gs.c source file.
diff --git a/drivers/scsi/qla2xxx/qla_gs.c b/drivers/scsi/qla2xxx/qla_gs.c
index c1808763d40e..750d7ef83aae 100644
--- a/drivers/scsi/qla2xxx/qla_gs.c
+++ b/drivers/scsi/qla2xxx/qla_gs.c
@@ -1,17 +1,11 @@
 /*
  * QLogic Fibre Channel HBA Driver
- * Copyright (c)  2003-2005 QLogic Corporation
+ * Copyright (c)  2003-2008 QLogic Corporation
  *
  * See LICENSE.qla2xxx for copyright and licensing details.
  */
 #include "qla_def.h"
 
-static inline struct ct_sns_req *
-qla2x00_prep_ct_req(struct ct_sns_req *, uint16_t, uint16_t);
-
-static inline struct sns_cmd_pkt *
-qla2x00_prep_sns_cmd(scsi_qla_host_t *, uint16_t, uint16_t, uint16_t);
-
 static int qla2x00_sns_ga_nxt(scsi_qla_host_t *, fc_port_t *);
 static int qla2x00_sns_gid_pt(scsi_qla_host_t *, sw_info_t *);
 static int qla2x00_sns_gpn_id(scsi_qla_host_t *, sw_info_t *);
@@ -1538,7 +1532,7 @@ qla2x00_fdmi_rpa(scsi_qla_host_t *ha)
 		eiter->a.sup_speed = __constant_cpu_to_be32(
 		    FDMI_PORT_SPEED_1GB|FDMI_PORT_SPEED_2GB|
 		    FDMI_PORT_SPEED_4GB|FDMI_PORT_SPEED_8GB);
-	else if (IS_QLA24XX(ha) || IS_QLA54XX(ha))
+	else if (IS_QLA24XX_TYPE(ha))
 		eiter->a.sup_speed = __constant_cpu_to_be32(
 		    FDMI_PORT_SPEED_1GB|FDMI_PORT_SPEED_2GB|
 		    FDMI_PORT_SPEED_4GB);
@@ -1847,8 +1841,10 @@ qla2x00_gpsc(scsi_qla_host_t *ha, sw_info_t *list)
 		    "GPSC")) != QLA_SUCCESS) {
 			/* FM command unsupported? */
 			if (rval == QLA_INVALID_COMMAND &&
-			    ct_rsp->header.reason_code ==
-			    CT_REASON_INVALID_COMMAND_CODE) {
+			    (ct_rsp->header.reason_code ==
+				CT_REASON_INVALID_COMMAND_CODE ||
+			     ct_rsp->header.reason_code ==
+				CT_REASON_COMMAND_UNSUPPORTED)) {
 				DEBUG2(printk("scsi(%ld): GPSC command "
 				    "unsupported, disabling query...\n",
 				    ha->host_no));
diff --git a/drivers/scsi/qla2xxx/qla_init.c b/drivers/scsi/qla2xxx/qla_init.c
index 364be7d06875..01e26087c1dd 100644
--- a/drivers/scsi/qla2xxx/qla_init.c
+++ b/drivers/scsi/qla2xxx/qla_init.c
@@ -1,6 +1,6 @@
 /*
  * QLogic Fibre Channel HBA Driver
- * Copyright (c)  2003-2005 QLogic Corporation
+ * Copyright (c)  2003-2008 QLogic Corporation
  *
  * See LICENSE.qla2xxx for copyright and licensing details.
  */
@@ -15,14 +15,6 @@
 #include <asm/prom.h>
 #endif
 
-/* XXX(hch): this is ugly, but we don't want to pull in exioctl.h */
-#ifndef EXT_IS_LUN_BIT_SET
-#define EXT_IS_LUN_BIT_SET(P,L) \
-    (((P)->mask[L/8] & (0x80 >> (L%8)))?1:0)
-#define EXT_SET_LUN_BIT(P,L) \
-    ((P)->mask[L/8] |= (0x80 >> (L%8)))
-#endif
-
 /*
 *  QLogic ISP2x00 Hardware Support Function Prototypes.
 */
@@ -45,6 +37,9 @@ static int qla2x00_restart_isp(scsi_qla_host_t *);
 
 static int qla2x00_find_new_loop_id(scsi_qla_host_t *ha, fc_port_t *dev);
 
+static struct qla_chip_state_84xx *qla84xx_get_chip(struct scsi_qla_host *);
+static int qla84xx_init_chip(scsi_qla_host_t *);
+
 /****************************************************************************/
 /*                QLogic ISP2x00 Hardware Support Functions.                */
 /****************************************************************************/
@@ -114,6 +109,15 @@ qla2x00_initialize_adapter(scsi_qla_host_t *ha)
 		rval = qla2x00_setup_chip(ha);
 		if (rval)
 			return (rval);
+		qla2xxx_get_flash_info(ha);
+	}
+	if (IS_QLA84XX(ha)) {
+		ha->cs84xx = qla84xx_get_chip(ha);
+		if (!ha->cs84xx) {
+			qla_printk(KERN_ERR, ha,
+			    "Unable to configure ISP84XX.\n");
+			return QLA_FUNCTION_FAILED;
+		}
 	}
 	rval = qla2x00_init_rings(ha);
 
@@ -500,6 +504,7 @@ qla2x00_reset_chip(scsi_qla_host_t *ha)
 static inline void
 qla24xx_reset_risc(scsi_qla_host_t *ha)
 {
+	int hw_evt = 0;
 	unsigned long flags = 0;
 	struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
 	uint32_t cnt, d2;
@@ -528,6 +533,8 @@ qla24xx_reset_risc(scsi_qla_host_t *ha)
 		d2 = (uint32_t) RD_REG_WORD(&reg->mailbox0);
 		barrier();
 	}
+	if (cnt == 0)
+		hw_evt = 1;
 
 	/* Wait for soft-reset to complete. */
 	d2 = RD_REG_DWORD(&reg->ctrl_status);
@@ -536,6 +543,10 @@ qla24xx_reset_risc(scsi_qla_host_t *ha)
 		d2 = RD_REG_DWORD(&reg->ctrl_status);
 		barrier();
 	}
+	if (cnt == 0 || hw_evt)
+		qla2xxx_hw_event_log(ha, HW_EVENT_RESET_ERR,
+		    RD_REG_WORD(&reg->mailbox1), RD_REG_WORD(&reg->mailbox2),
+		    RD_REG_WORD(&reg->mailbox3));
 
 	WRT_REG_DWORD(&reg->hccr, HCCRX_SET_RISC_RESET);
 	RD_REG_DWORD(&reg->hccr);
@@ -1243,10 +1254,10 @@ static int
 qla2x00_fw_ready(scsi_qla_host_t *ha)
 {
 	int		rval;
-	unsigned long	wtime, mtime;
+	unsigned long	wtime, mtime, cs84xx_time;
 	uint16_t	min_wait;	/* Minimum wait time if loop is down */
 	uint16_t	wait_time;	/* Wait time if loop is coming ready */
-	uint16_t	fw_state;
+	uint16_t	state[3];
 
 	rval = QLA_SUCCESS;
 
@@ -1275,12 +1286,34 @@ qla2x00_fw_ready(scsi_qla_host_t *ha)
 	    ha->host_no));
 
 	do {
-		rval = qla2x00_get_firmware_state(ha, &fw_state);
+		rval = qla2x00_get_firmware_state(ha, state);
 		if (rval == QLA_SUCCESS) {
-			if (fw_state < FSTATE_LOSS_OF_SYNC) {
+			if (state[0] < FSTATE_LOSS_OF_SYNC) {
 				ha->device_flags &= ~DFLG_NO_CABLE;
 			}
-			if (fw_state == FSTATE_READY) {
+			if (IS_QLA84XX(ha) && state[0] != FSTATE_READY) {
+				DEBUG16(printk("scsi(%ld): fw_state=%x "
+				    "84xx=%x.\n", ha->host_no, state[0],
+				    state[2]));
+				if ((state[2] & FSTATE_LOGGED_IN) &&
+				     (state[2] & FSTATE_WAITING_FOR_VERIFY)) {
+					DEBUG16(printk("scsi(%ld): Sending "
+					    "verify iocb.\n", ha->host_no));
+
+					cs84xx_time = jiffies;
+					rval = qla84xx_init_chip(ha);
+					if (rval != QLA_SUCCESS)
+						break;
+
+					/* Add time taken to initialize. */
+					cs84xx_time = jiffies - cs84xx_time;
+					wtime += cs84xx_time;
+					mtime += cs84xx_time;
+					DEBUG16(printk("scsi(%ld): Increasing "
+					    "wait time by %ld. New time %ld\n",
+					    ha->host_no, cs84xx_time, wtime));
+				}
+			} else if (state[0] == FSTATE_READY) {
 				DEBUG(printk("scsi(%ld): F/W Ready - OK \n",
 				    ha->host_no));
 
@@ -1294,7 +1327,7 @@ qla2x00_fw_ready(scsi_qla_host_t *ha)
 			rval = QLA_FUNCTION_FAILED;
 
 			if (atomic_read(&ha->loop_down_timer) &&
-			    fw_state != FSTATE_READY) {
+			    state[0] != FSTATE_READY) {
 				/* Loop down. Timeout on min_wait for states
 				 * other than Wait for Login.
 				 */
@@ -1319,11 +1352,11 @@ qla2x00_fw_ready(scsi_qla_host_t *ha)
 		msleep(500);
 
 		DEBUG3(printk("scsi(%ld): fw_state=%x curr time=%lx.\n",
-		    ha->host_no, fw_state, jiffies));
+		    ha->host_no, state[0], jiffies));
 	} while (1);
 
 	DEBUG(printk("scsi(%ld): fw_state=%x curr time=%lx.\n",
-	    ha->host_no, fw_state, jiffies));
+	    ha->host_no, state[0], jiffies));
 
 	if (rval) {
 		DEBUG2_3(printk("scsi(%ld): Firmware ready **** FAILED ****.\n",
@@ -1555,6 +1588,10 @@ qla2x00_nvram_config(scsi_qla_host_t *ha)
 		qla_printk(KERN_WARNING, ha, "Falling back to functioning (yet "
 		    "invalid -- WWPN) defaults.\n");
 
+		if (chksum)
+			qla2xxx_hw_event_log(ha, HW_EVENT_NVRAM_CHKSUM_ERR, 0,
+			    MSW(chksum), LSW(chksum));
+
 		/*
 		 * Set default initialization control block.
 		 */
@@ -2165,20 +2202,6 @@ cleanup_allocation:
 }
 
 static void
-qla2x00_probe_for_all_luns(scsi_qla_host_t *ha)
-{
-	fc_port_t	*fcport;
-
-	qla2x00_mark_all_devices_lost(ha, 0);
- 	list_for_each_entry(fcport, &ha->fcports, list) {
-		if (fcport->port_type != FCT_TARGET)
-			continue;
-
-		qla2x00_update_fcport(ha, fcport);
-	}
-}
-
-static void
 qla2x00_iidma_fcport(scsi_qla_host_t *ha, fc_port_t *fcport)
 {
 #define LS_UNKNOWN      2
@@ -2251,10 +2274,6 @@ qla2x00_reg_remote_port(scsi_qla_host_t *ha, fc_port_t *fcport)
 	if (fcport->port_type == FCT_TARGET)
 		rport_ids.roles |= FC_RPORT_ROLE_FCP_TARGET;
 	fc_remote_port_rolechg(rport, rport_ids.roles);
-
-	if (rport->scsi_target_id != -1 &&
-	    rport->scsi_target_id < ha->host->max_id)
-		fcport->os_target_id = rport->scsi_target_id;
 }
 
 /*
@@ -2434,7 +2453,8 @@ qla2x00_configure_fabric(scsi_qla_host_t *ha)
 
 			if (fcport->loop_id == FC_NO_LOOP_ID) {
 				fcport->loop_id = next_loopid;
-				rval = qla2x00_find_new_loop_id(ha, fcport);
+				rval = qla2x00_find_new_loop_id(
+				    to_qla_parent(ha), fcport);
 				if (rval != QLA_SUCCESS) {
 					/* Ran out of IDs to use */
 					break;
@@ -2459,7 +2479,8 @@ qla2x00_configure_fabric(scsi_qla_host_t *ha)
 
 			/* Find a new loop ID to use. */
 			fcport->loop_id = next_loopid;
-			rval = qla2x00_find_new_loop_id(ha, fcport);
+			rval = qla2x00_find_new_loop_id(to_qla_parent(ha),
+			    fcport);
 			if (rval != QLA_SUCCESS) {
 				/* Ran out of IDs to use */
 				break;
@@ -3193,25 +3214,6 @@ qla2x00_loop_resync(scsi_qla_host_t *ha)
 }
 
 void
-qla2x00_rescan_fcports(scsi_qla_host_t *ha)
-{
-	int rescan_done;
-	fc_port_t *fcport;
-
-	rescan_done = 0;
-	list_for_each_entry(fcport, &ha->fcports, list) {
-		if ((fcport->flags & FCF_RESCAN_NEEDED) == 0)
-			continue;
-
-		qla2x00_update_fcport(ha, fcport);
-		fcport->flags &= ~FCF_RESCAN_NEEDED;
-
-		rescan_done = 1;
-	}
-	qla2x00_probe_for_all_luns(ha);
-}
-
-void
 qla2x00_update_fcports(scsi_qla_host_t *ha)
 {
 	fc_port_t *fcport;
@@ -4044,16 +4046,16 @@ qla24xx_configure_vhba(scsi_qla_host_t *ha)
 	if (!ha->parent)
 		return -EINVAL;
 
-	rval = qla2x00_fw_ready(ha);
+	rval = qla2x00_fw_ready(ha->parent);
 	if (rval == QLA_SUCCESS) {
 		clear_bit(RESET_MARKER_NEEDED, &ha->dpc_flags);
-		qla2x00_marker(ha, 0, 0, MK_SYNC_ALL);
+		qla2x00_marker(ha->parent, 0, 0, MK_SYNC_ALL);
 	}
 
 	ha->flags.management_server_logged_in = 0;
 
 	/* Login to SNS first */
-	qla24xx_login_fabric(ha, NPH_SNS, 0xff, 0xff, 0xfc,
+	qla24xx_login_fabric(ha->parent, NPH_SNS, 0xff, 0xff, 0xfc,
 	    mb, BIT_1);
 	if (mb[0] != MBS_COMMAND_COMPLETE) {
 		DEBUG15(qla_printk(KERN_INFO, ha,
@@ -4067,7 +4069,77 @@ qla24xx_configure_vhba(scsi_qla_host_t *ha)
 	atomic_set(&ha->loop_state, LOOP_UP);
 	set_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags);
 	set_bit(LOCAL_LOOP_UPDATE, &ha->dpc_flags);
-	rval = qla2x00_loop_resync(ha);
+	rval = qla2x00_loop_resync(ha->parent);
 
 	return rval;
 }
+
+/* 84XX Support **************************************************************/
+
+static LIST_HEAD(qla_cs84xx_list);
+static DEFINE_MUTEX(qla_cs84xx_mutex);
+
+static struct qla_chip_state_84xx *
+qla84xx_get_chip(struct scsi_qla_host *ha)
+{
+	struct qla_chip_state_84xx *cs84xx;
+
+	mutex_lock(&qla_cs84xx_mutex);
+
+	/* Find any shared 84xx chip. */
+	list_for_each_entry(cs84xx, &qla_cs84xx_list, list) {
+		if (cs84xx->bus == ha->pdev->bus) {
+			kref_get(&cs84xx->kref);
+			goto done;
+		}
+	}
+
+	cs84xx = kzalloc(sizeof(*cs84xx), GFP_KERNEL);
+	if (!cs84xx)
+		goto done;
+
+	kref_init(&cs84xx->kref);
+	spin_lock_init(&cs84xx->access_lock);
+	mutex_init(&cs84xx->fw_update_mutex);
+	cs84xx->bus = ha->pdev->bus;
+
+	list_add_tail(&cs84xx->list, &qla_cs84xx_list);
+done:
+	mutex_unlock(&qla_cs84xx_mutex);
+	return cs84xx;
+}
+
+static void
+__qla84xx_chip_release(struct kref *kref)
+{
+	struct qla_chip_state_84xx *cs84xx =
+	    container_of(kref, struct qla_chip_state_84xx, kref);
+
+	mutex_lock(&qla_cs84xx_mutex);
+	list_del(&cs84xx->list);
+	mutex_unlock(&qla_cs84xx_mutex);
+	kfree(cs84xx);
+}
+
+void
+qla84xx_put_chip(struct scsi_qla_host *ha)
+{
+	if (ha->cs84xx)
+		kref_put(&ha->cs84xx->kref, __qla84xx_chip_release);
+}
+
+static int
+qla84xx_init_chip(scsi_qla_host_t *ha)
+{
+	int rval;
+	uint16_t status[2];
+
+	mutex_lock(&ha->cs84xx->fw_update_mutex);
+
+	rval = qla84xx_verify_chip(ha, status);
+
+	mutex_unlock(&ha->cs84xx->fw_update_mutex);
+
+	return rval != QLA_SUCCESS || status[0] ? QLA_FUNCTION_FAILED:
+	    QLA_SUCCESS;
+}
diff --git a/drivers/scsi/qla2xxx/qla_inline.h b/drivers/scsi/qla2xxx/qla_inline.h
index 5d1a3f7c408f..e9bae27737d1 100644
--- a/drivers/scsi/qla2xxx/qla_inline.h
+++ b/drivers/scsi/qla2xxx/qla_inline.h
@@ -1,11 +1,10 @@
 /*
  * QLogic Fibre Channel HBA Driver
- * Copyright (c)  2003-2005 QLogic Corporation
+ * Copyright (c)  2003-2008 QLogic Corporation
  *
  * See LICENSE.qla2xxx for copyright and licensing details.
  */
 
-static __inline__ uint16_t qla2x00_debounce_register(volatile uint16_t __iomem *);
 /*
  * qla2x00_debounce_register
  *      Debounce register.
@@ -32,94 +31,12 @@ qla2x00_debounce_register(volatile uint16_t __iomem *addr)
 	return (first);
 }
 
-static __inline__ int qla2x00_normalize_dma_addr(
-    dma_addr_t *e_addr,  uint32_t *e_len,
-    dma_addr_t *ne_addr, uint32_t *ne_len);
-
-/**
- * qla2x00_normalize_dma_addr() - Normalize an DMA address.
- * @e_addr: Raw DMA address
- * @e_len: Raw DMA length
- * @ne_addr: Normalized second DMA address
- * @ne_len: Normalized second DMA length
- *
- * If the address does not span a 4GB page boundary, the contents of @ne_addr
- * and @ne_len are undefined.  @e_len is updated to reflect a normalization.
- *
- * Example:
- *
- * 	ffffabc0ffffeeee	(e_addr) start of DMA address
- * 	0000000020000000	(e_len)  length of DMA transfer
- *	ffffabc11fffeeed	end of DMA transfer
- *
- * Is the 4GB boundary crossed?
- *
- * 	ffffabc0ffffeeee	(e_addr)
- *	ffffabc11fffeeed	(e_addr + e_len - 1)
- *	00000001e0000003	((e_addr ^ (e_addr + e_len - 1))
- *	0000000100000000	((e_addr ^ (e_addr + e_len - 1)) & ~(0xffffffff)
- *
- * Compute start of second DMA segment:
- *
- * 	ffffabc0ffffeeee	(e_addr)
- *	ffffabc1ffffeeee	(0x100000000 + e_addr)
- *	ffffabc100000000	(0x100000000 + e_addr) & ~(0xffffffff)
- *	ffffabc100000000	(ne_addr)
- *
- * Compute length of second DMA segment:
- *
- *	00000000ffffeeee	(e_addr & 0xffffffff)
- *	0000000000001112	(0x100000000 - (e_addr & 0xffffffff))
- *	000000001fffeeee	(e_len - (0x100000000 - (e_addr & 0xffffffff))
- *	000000001fffeeee	(ne_len)
- *
- * Adjust length of first DMA segment
- *
- * 	0000000020000000	(e_len)
- *	0000000000001112	(e_len - ne_len)
- *	0000000000001112	(e_len)
- *
- * Returns non-zero if the specified address was normalized, else zero.
- */
-static __inline__ int
-qla2x00_normalize_dma_addr(
-    dma_addr_t *e_addr,  uint32_t *e_len,
-    dma_addr_t *ne_addr, uint32_t *ne_len)
-{
-	int normalized;
-
-	normalized = 0;
-	if ((*e_addr ^ (*e_addr + *e_len - 1)) & ~(0xFFFFFFFFULL)) {
-		/* Compute normalized crossed address and len */
-		*ne_addr = (0x100000000ULL + *e_addr) & ~(0xFFFFFFFFULL);
-		*ne_len = *e_len - (0x100000000ULL - (*e_addr & 0xFFFFFFFFULL));
-		*e_len -= *ne_len;
-
-		normalized++;
-	}
-	return (normalized);
-}
-
-static __inline__ void qla2x00_poll(scsi_qla_host_t *);
 static inline void
 qla2x00_poll(scsi_qla_host_t *ha)
 {
 	ha->isp_ops->intr_handler(0, ha);
 }
 
-static __inline__ void qla2x00_check_fabric_devices(scsi_qla_host_t *);
-/*
- * This routine will wait for fabric devices for
- * the reset delay.
- */
-static __inline__ void qla2x00_check_fabric_devices(scsi_qla_host_t *ha)
-{
-	uint16_t	fw_state;
-
-	qla2x00_get_firmware_state(ha, &fw_state);
-}
-
-static __inline__ scsi_qla_host_t * to_qla_parent(scsi_qla_host_t *);
 static __inline__ scsi_qla_host_t *
 to_qla_parent(scsi_qla_host_t *ha)
 {
@@ -152,7 +69,6 @@ qla2x00_issue_marker(scsi_qla_host_t *ha, int ha_locked)
 	return (QLA_SUCCESS);
 }
 
-static inline uint8_t *host_to_fcp_swap(uint8_t *, uint32_t);
 static inline uint8_t *
 host_to_fcp_swap(uint8_t *fcp, uint32_t bsize)
 {
@@ -166,7 +82,6 @@ host_to_fcp_swap(uint8_t *fcp, uint32_t bsize)
        return fcp;
 }
 
-static inline int qla2x00_is_reserved_id(scsi_qla_host_t *, uint16_t);
 static inline int
 qla2x00_is_reserved_id(scsi_qla_host_t *ha, uint16_t loop_id)
 {
diff --git a/drivers/scsi/qla2xxx/qla_iocb.c b/drivers/scsi/qla2xxx/qla_iocb.c
index 024c662ec34d..5489d5024673 100644
--- a/drivers/scsi/qla2xxx/qla_iocb.c
+++ b/drivers/scsi/qla2xxx/qla_iocb.c
@@ -1,6 +1,6 @@
 /*
  * QLogic Fibre Channel HBA Driver
- * Copyright (c)  2003-2005 QLogic Corporation
+ * Copyright (c)  2003-2008 QLogic Corporation
  *
  * See LICENSE.qla2xxx for copyright and licensing details.
  */
@@ -11,9 +11,6 @@
 
 #include <scsi/scsi_tcq.h>
 
-static inline uint16_t qla2x00_get_cmd_direction(struct scsi_cmnd *cmd);
-static inline cont_entry_t *qla2x00_prep_cont_type0_iocb(scsi_qla_host_t *);
-static inline cont_a64_entry_t *qla2x00_prep_cont_type1_iocb(scsi_qla_host_t *);
 static request_t *qla2x00_req_pkt(scsi_qla_host_t *ha);
 static void qla2x00_isp_cmd(scsi_qla_host_t *ha);
 
diff --git a/drivers/scsi/qla2xxx/qla_isr.c b/drivers/scsi/qla2xxx/qla_isr.c
index f0337036c7bb..285479b62d8f 100644
--- a/drivers/scsi/qla2xxx/qla_isr.c
+++ b/drivers/scsi/qla2xxx/qla_isr.c
@@ -1,6 +1,6 @@
 /*
  * QLogic Fibre Channel HBA Driver
- * Copyright (c)  2003-2005 QLogic Corporation
+ * Copyright (c)  2003-2008 QLogic Corporation
  *
  * See LICENSE.qla2xxx for copyright and licensing details.
  */
@@ -14,9 +14,6 @@ static void qla2x00_process_completed_request(struct scsi_qla_host *, uint32_t);
 static void qla2x00_status_entry(scsi_qla_host_t *, void *);
 static void qla2x00_status_cont_entry(scsi_qla_host_t *, sts_cont_entry_t *);
 static void qla2x00_error_entry(scsi_qla_host_t *, sts_entry_t *);
-static void qla2x00_ms_entry(scsi_qla_host_t *, ms_iocb_entry_t *);
-
-static void qla24xx_ms_entry(scsi_qla_host_t *, struct ct_entry_24xx *);
 
 /**
  * qla2100_intr_handler() - Process interrupts for the ISP2100 and ISP2200.
@@ -33,7 +30,6 @@ qla2100_intr_handler(int irq, void *dev_id)
 	scsi_qla_host_t	*ha;
 	struct device_reg_2xxx __iomem *reg;
 	int		status;
-	unsigned long	flags;
 	unsigned long	iter;
 	uint16_t	hccr;
 	uint16_t	mb[4];
@@ -48,7 +44,7 @@ qla2100_intr_handler(int irq, void *dev_id)
 	reg = &ha->iobase->isp;
 	status = 0;
 
-	spin_lock_irqsave(&ha->hardware_lock, flags);
+	spin_lock(&ha->hardware_lock);
 	for (iter = 50; iter--; ) {
 		hccr = RD_REG_WORD(&reg->hccr);
 		if (hccr & HCCR_RISC_PAUSE) {
@@ -99,7 +95,7 @@ qla2100_intr_handler(int irq, void *dev_id)
 			RD_REG_WORD(&reg->hccr);
 		}
 	}
-	spin_unlock_irqrestore(&ha->hardware_lock, flags);
+	spin_unlock(&ha->hardware_lock);
 
 	if (test_bit(MBX_INTR_WAIT, &ha->mbx_cmd_flags) &&
 	    (status & MBX_INTERRUPT) && ha->flags.mbox_int) {
@@ -125,7 +121,6 @@ qla2300_intr_handler(int irq, void *dev_id)
 	scsi_qla_host_t	*ha;
 	struct device_reg_2xxx __iomem *reg;
 	int		status;
-	unsigned long	flags;
 	unsigned long	iter;
 	uint32_t	stat;
 	uint16_t	hccr;
@@ -141,7 +136,7 @@ qla2300_intr_handler(int irq, void *dev_id)
 	reg = &ha->iobase->isp;
 	status = 0;
 
-	spin_lock_irqsave(&ha->hardware_lock, flags);
+	spin_lock(&ha->hardware_lock);
 	for (iter = 50; iter--; ) {
 		stat = RD_REG_DWORD(&reg->u.isp2300.host_status);
 		if (stat & HSR_RISC_PAUSED) {
@@ -211,7 +206,7 @@ qla2300_intr_handler(int irq, void *dev_id)
 		WRT_REG_WORD(&reg->hccr, HCCR_CLR_RISC_INT);
 		RD_REG_WORD_RELAXED(&reg->hccr);
 	}
-	spin_unlock_irqrestore(&ha->hardware_lock, flags);
+	spin_unlock(&ha->hardware_lock);
 
 	if (test_bit(MBX_INTR_WAIT, &ha->mbx_cmd_flags) &&
 	    (status & MBX_INTERRUPT) && ha->flags.mbox_int) {
@@ -276,6 +271,9 @@ qla2x00_async_event(scsi_qla_host_t *ha, uint16_t *mb)
 	struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
 	uint32_t	rscn_entry, host_pid;
 	uint8_t		rscn_queue_index;
+	unsigned long	flags;
+	scsi_qla_host_t	*vha;
+	int		i;
 
 	/* Setup to process RIO completion. */
 	handle_cnt = 0;
@@ -351,6 +349,7 @@ qla2x00_async_event(scsi_qla_host_t *ha, uint16_t *mb)
 		    "ISP System Error - mbx1=%xh mbx2=%xh mbx3=%xh.\n",
 		    mb[1], mb[2], mb[3]);
 
+		qla2x00_post_hwe_work(ha, mb[0], mb[1], mb[2], mb[3]);
 		ha->isp_ops->fw_dump(ha, 1);
 
 		if (IS_FWI2_CAPABLE(ha)) {
@@ -375,6 +374,7 @@ qla2x00_async_event(scsi_qla_host_t *ha, uint16_t *mb)
 		    ha->host_no));
 		qla_printk(KERN_WARNING, ha, "ISP Request Transfer Error.\n");
 
+		qla2x00_post_hwe_work(ha, mb[0], mb[1], mb[2], mb[3]);
 		set_bit(ISP_ABORT_NEEDED, &ha->dpc_flags);
 		break;
 
@@ -383,6 +383,7 @@ qla2x00_async_event(scsi_qla_host_t *ha, uint16_t *mb)
 		    ha->host_no));
 		qla_printk(KERN_WARNING, ha, "ISP Response Transfer Error.\n");
 
+		qla2x00_post_hwe_work(ha, mb[0], mb[1], mb[2], mb[3]);
 		set_bit(ISP_ABORT_NEEDED, &ha->dpc_flags);
 		break;
 
@@ -410,6 +411,7 @@ qla2x00_async_event(scsi_qla_host_t *ha, uint16_t *mb)
 		set_bit(REGISTER_FC4_NEEDED, &ha->dpc_flags);
 
 		ha->flags.management_server_logged_in = 0;
+		qla2x00_post_aen_work(ha, FCH_EVT_LIP, mb[1]);
 		break;
 
 	case MBA_LOOP_UP:		/* Loop Up Event */
@@ -429,12 +431,14 @@ qla2x00_async_event(scsi_qla_host_t *ha, uint16_t *mb)
 		    link_speed);
 
 		ha->flags.management_server_logged_in = 0;
+		qla2x00_post_aen_work(ha, FCH_EVT_LINKUP, ha->link_data_rate);
 		break;
 
 	case MBA_LOOP_DOWN:		/* Loop Down Event */
-		DEBUG2(printk("scsi(%ld): Asynchronous LOOP DOWN (%x).\n",
-		    ha->host_no, mb[1]));
-		qla_printk(KERN_INFO, ha, "LOOP DOWN detected (%x).\n", mb[1]);
+		DEBUG2(printk("scsi(%ld): Asynchronous LOOP DOWN "
+		    "(%x %x %x).\n", ha->host_no, mb[1], mb[2], mb[3]));
+		qla_printk(KERN_INFO, ha, "LOOP DOWN detected (%x %x %x).\n",
+		    mb[1], mb[2], mb[3]);
 
 		if (atomic_read(&ha->loop_state) != LOOP_DOWN) {
 			atomic_set(&ha->loop_state, LOOP_DOWN);
@@ -452,6 +456,7 @@ qla2x00_async_event(scsi_qla_host_t *ha, uint16_t *mb)
 		ha->link_data_rate = PORT_SPEED_UNKNOWN;
 		if (ql2xfdmienable)
 			set_bit(REGISTER_FDMI_NEEDED, &ha->dpc_flags);
+		qla2x00_post_aen_work(ha, FCH_EVT_LINKDOWN, 0);
 		break;
 
 	case MBA_LIP_RESET:		/* LIP reset occurred */
@@ -475,6 +480,7 @@ qla2x00_async_event(scsi_qla_host_t *ha, uint16_t *mb)
 
 		ha->operating_mode = LOOP;
 		ha->flags.management_server_logged_in = 0;
+		qla2x00_post_aen_work(ha, FCH_EVT_LIPRESET, mb[1]);
 		break;
 
 	case MBA_POINT_TO_POINT:	/* Point-to-Point */
@@ -538,6 +544,18 @@ qla2x00_async_event(scsi_qla_host_t *ha, uint16_t *mb)
 		break;
 
 	case MBA_PORT_UPDATE:		/* Port database update */
+		if ((ha->flags.npiv_supported) && (ha->num_vhosts)) {
+			for_each_mapped_vp_idx(ha, i) {
+				list_for_each_entry(vha, &ha->vp_list,
+				    vp_list) {
+					if ((mb[3] & 0xff)
+					    == vha->vp_idx) {
+						ha = vha;
+						break;
+					}
+				}
+			}
+		}
 		/*
 		 * If PORT UPDATE is global (recieved LIP_OCCURED/LIP_RESET
 		 * event etc. earlier indicating loop is down) then process
@@ -572,12 +590,18 @@ qla2x00_async_event(scsi_qla_host_t *ha, uint16_t *mb)
 		break;
 
 	case MBA_RSCN_UPDATE:		/* State Change Registration */
-		/* Check if the Vport has issued a SCR */
-		if (ha->parent && test_bit(VP_SCR_NEEDED, &ha->vp_flags))
-			break;
-		/* Only handle SCNs for our Vport index. */
-		if (ha->flags.npiv_supported && ha->vp_idx != mb[3])
-			break;
+		if ((ha->flags.npiv_supported) && (ha->num_vhosts)) {
+			for_each_mapped_vp_idx(ha, i) {
+				list_for_each_entry(vha, &ha->vp_list,
+				    vp_list) {
+					if ((mb[3] & 0xff)
+					    == vha->vp_idx) {
+						ha = vha;
+						break;
+					}
+				}
+			}
+		}
 
 		DEBUG2(printk("scsi(%ld): Asynchronous RSCR UPDATE.\n",
 		    ha->host_no));
@@ -612,6 +636,7 @@ qla2x00_async_event(scsi_qla_host_t *ha, uint16_t *mb)
 
 		set_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags);
 		set_bit(RSCN_UPDATE, &ha->dpc_flags);
+		qla2x00_post_aen_work(ha, FCH_EVT_RSCN, rscn_entry);
 		break;
 
 	/* case MBA_RIO_RESPONSE: */
@@ -637,6 +662,42 @@ qla2x00_async_event(scsi_qla_host_t *ha, uint16_t *mb)
 		DEBUG2(printk("scsi(%ld): Trace Notification -- %04x %04x.\n",
 		ha->host_no, mb[1], mb[2]));
 		break;
+
+	case MBA_ISP84XX_ALERT:
+		DEBUG2(printk("scsi(%ld): ISP84XX Alert Notification -- "
+		    "%04x %04x %04x\n", ha->host_no, mb[1], mb[2], mb[3]));
+
+		spin_lock_irqsave(&ha->cs84xx->access_lock, flags);
+		switch (mb[1]) {
+		case A84_PANIC_RECOVERY:
+			qla_printk(KERN_INFO, ha, "Alert 84XX: panic recovery "
+			    "%04x %04x\n", mb[2], mb[3]);
+			break;
+		case A84_OP_LOGIN_COMPLETE:
+			ha->cs84xx->op_fw_version = mb[3] << 16 | mb[2];
+			DEBUG2(qla_printk(KERN_INFO, ha, "Alert 84XX:"
+			    "firmware version %x\n", ha->cs84xx->op_fw_version));
+			break;
+		case A84_DIAG_LOGIN_COMPLETE:
+			ha->cs84xx->diag_fw_version = mb[3] << 16 | mb[2];
+			DEBUG2(qla_printk(KERN_INFO, ha, "Alert 84XX:"
+			    "diagnostic firmware version %x\n",
+			    ha->cs84xx->diag_fw_version));
+			break;
+		case A84_GOLD_LOGIN_COMPLETE:
+			ha->cs84xx->diag_fw_version = mb[3] << 16 | mb[2];
+			ha->cs84xx->fw_update = 1;
+			DEBUG2(qla_printk(KERN_INFO, ha, "Alert 84XX: gold "
+			    "firmware version %x\n",
+			    ha->cs84xx->gold_fw_version));
+			break;
+		default:
+			qla_printk(KERN_ERR, ha,
+			    "Alert 84xx: Invalid Alert %04x %04x %04x\n",
+			    mb[1], mb[2], mb[3]);
+		}
+		spin_unlock_irqrestore(&ha->cs84xx->access_lock, flags);
+		break;
 	}
 
 	if (!ha->parent && ha->num_vhosts)
@@ -803,9 +864,6 @@ qla2x00_process_response_queue(struct scsi_qla_host *ha)
 		case STATUS_CONT_TYPE:
 			qla2x00_status_cont_entry(ha, (sts_cont_entry_t *)pkt);
 			break;
-		case MS_IOCB_TYPE:
-			qla2x00_ms_entry(ha, (ms_iocb_entry_t *)pkt);
-			break;
 		default:
 			/* Type Not Supported. */
 			DEBUG4(printk(KERN_WARNING
@@ -1340,44 +1398,6 @@ qla2x00_error_entry(scsi_qla_host_t *ha, sts_entry_t *pkt)
 }
 
 /**
- * qla2x00_ms_entry() - Process a Management Server entry.
- * @ha: SCSI driver HA context
- * @index: Response queue out pointer
- */
-static void
-qla2x00_ms_entry(scsi_qla_host_t *ha, ms_iocb_entry_t *pkt)
-{
-	srb_t          *sp;
-
-	DEBUG3(printk("%s(%ld): pkt=%p pkthandle=%d.\n",
-	    __func__, ha->host_no, pkt, pkt->handle1));
-
-	/* Validate handle. */
- 	if (pkt->handle1 < MAX_OUTSTANDING_COMMANDS)
- 		sp = ha->outstanding_cmds[pkt->handle1];
-	else
-		sp = NULL;
-
-	if (sp == NULL) {
-		DEBUG2(printk("scsi(%ld): MS entry - invalid handle\n",
-		    ha->host_no));
-		qla_printk(KERN_WARNING, ha, "MS entry - invalid handle\n");
-
-		set_bit(ISP_ABORT_NEEDED, &ha->dpc_flags);
-		return;
-	}
-
-	CMD_COMPL_STATUS(sp->cmd) = le16_to_cpu(pkt->status);
-	CMD_ENTRY_STATUS(sp->cmd) = pkt->entry_status;
-
-	/* Free outstanding command slot. */
-	ha->outstanding_cmds[pkt->handle1] = NULL;
-
-	qla2x00_sp_compl(ha, sp);
-}
-
-
-/**
  * qla24xx_mbx_completion() - Process mailbox command completions.
  * @ha: SCSI driver HA context
  * @mb0: Mailbox0 register
@@ -1449,9 +1469,6 @@ qla24xx_process_response_queue(struct scsi_qla_host *ha)
 		case STATUS_CONT_TYPE:
 			qla2x00_status_cont_entry(ha, (sts_cont_entry_t *)pkt);
 			break;
-		case MS_IOCB_TYPE:
-			qla24xx_ms_entry(ha, (struct ct_entry_24xx *)pkt);
-			break;
 		case VP_RPT_ID_IOCB_TYPE:
 			qla24xx_report_id_acquisition(ha,
 			    (struct vp_rpt_id_entry_24xx *)pkt);
@@ -1533,7 +1550,6 @@ qla24xx_intr_handler(int irq, void *dev_id)
 	scsi_qla_host_t	*ha;
 	struct device_reg_24xx __iomem *reg;
 	int		status;
-	unsigned long	flags;
 	unsigned long	iter;
 	uint32_t	stat;
 	uint32_t	hccr;
@@ -1549,13 +1565,19 @@ qla24xx_intr_handler(int irq, void *dev_id)
 	reg = &ha->iobase->isp24;
 	status = 0;
 
-	spin_lock_irqsave(&ha->hardware_lock, flags);
+	spin_lock(&ha->hardware_lock);
 	for (iter = 50; iter--; ) {
 		stat = RD_REG_DWORD(&reg->host_status);
 		if (stat & HSRX_RISC_PAUSED) {
 			if (pci_channel_offline(ha->pdev))
 				break;
 
+			if (ha->hw_event_pause_errors == 0)
+				qla2x00_post_hwe_work(ha, HW_EVENT_PARITY_ERR,
+				    0, MSW(stat), LSW(stat));
+			else if (ha->hw_event_pause_errors < 0xffffffff)
+				ha->hw_event_pause_errors++;
+
 			hccr = RD_REG_DWORD(&reg->hccr);
 
 			qla_printk(KERN_INFO, ha, "RISC paused -- HCCR=%x, "
@@ -1597,7 +1619,7 @@ qla24xx_intr_handler(int irq, void *dev_id)
 		WRT_REG_DWORD(&reg->hccr, HCCRX_CLR_RISC_INT);
 		RD_REG_DWORD_RELAXED(&reg->hccr);
 	}
-	spin_unlock_irqrestore(&ha->hardware_lock, flags);
+	spin_unlock(&ha->hardware_lock);
 
 	if (test_bit(MBX_INTR_WAIT, &ha->mbx_cmd_flags) &&
 	    (status & MBX_INTERRUPT) && ha->flags.mbox_int) {
@@ -1608,66 +1630,21 @@ qla24xx_intr_handler(int irq, void *dev_id)
 	return IRQ_HANDLED;
 }
 
-/**
- * qla24xx_ms_entry() - Process a Management Server entry.
- * @ha: SCSI driver HA context
- * @index: Response queue out pointer
- */
-static void
-qla24xx_ms_entry(scsi_qla_host_t *ha, struct ct_entry_24xx *pkt)
-{
-	srb_t          *sp;
-
-	DEBUG3(printk("%s(%ld): pkt=%p pkthandle=%d.\n",
-	    __func__, ha->host_no, pkt, pkt->handle));
-
-	DEBUG9(printk("%s: ct pkt dump:\n", __func__));
-	DEBUG9(qla2x00_dump_buffer((void *)pkt, sizeof(struct ct_entry_24xx)));
-
-	/* Validate handle. */
- 	if (pkt->handle < MAX_OUTSTANDING_COMMANDS)
- 		sp = ha->outstanding_cmds[pkt->handle];
-	else
-		sp = NULL;
-
-	if (sp == NULL) {
-		DEBUG2(printk("scsi(%ld): MS entry - invalid handle\n",
-		    ha->host_no));
-		DEBUG10(printk("scsi(%ld): MS entry - invalid handle\n",
-		    ha->host_no));
-		qla_printk(KERN_WARNING, ha, "MS entry - invalid handle %d\n",
-		    pkt->handle);
-
-		set_bit(ISP_ABORT_NEEDED, &ha->dpc_flags);
-		return;
-	}
-
-	CMD_COMPL_STATUS(sp->cmd) = le16_to_cpu(pkt->comp_status);
-	CMD_ENTRY_STATUS(sp->cmd) = pkt->entry_status;
-
-	/* Free outstanding command slot. */
-	ha->outstanding_cmds[pkt->handle] = NULL;
-
-	qla2x00_sp_compl(ha, sp);
-}
-
 static irqreturn_t
 qla24xx_msix_rsp_q(int irq, void *dev_id)
 {
 	scsi_qla_host_t	*ha;
 	struct device_reg_24xx __iomem *reg;
-	unsigned long flags;
 
 	ha = dev_id;
 	reg = &ha->iobase->isp24;
 
-	spin_lock_irqsave(&ha->hardware_lock, flags);
+	spin_lock(&ha->hardware_lock);
 
 	qla24xx_process_response_queue(ha);
-
 	WRT_REG_DWORD(&reg->hccr, HCCRX_CLR_RISC_INT);
 
-	spin_unlock_irqrestore(&ha->hardware_lock, flags);
+	spin_unlock(&ha->hardware_lock);
 
 	return IRQ_HANDLED;
 }
@@ -1678,7 +1655,6 @@ qla24xx_msix_default(int irq, void *dev_id)
 	scsi_qla_host_t	*ha;
 	struct device_reg_24xx __iomem *reg;
 	int		status;
-	unsigned long	flags;
 	uint32_t	stat;
 	uint32_t	hccr;
 	uint16_t	mb[4];
@@ -1687,13 +1663,19 @@ qla24xx_msix_default(int irq, void *dev_id)
 	reg = &ha->iobase->isp24;
 	status = 0;
 
-	spin_lock_irqsave(&ha->hardware_lock, flags);
+	spin_lock(&ha->hardware_lock);
 	do {
 		stat = RD_REG_DWORD(&reg->host_status);
 		if (stat & HSRX_RISC_PAUSED) {
 			if (pci_channel_offline(ha->pdev))
 				break;
 
+			if (ha->hw_event_pause_errors == 0)
+				qla2x00_post_hwe_work(ha, HW_EVENT_PARITY_ERR,
+				    0, MSW(stat), LSW(stat));
+			else if (ha->hw_event_pause_errors < 0xffffffff)
+				ha->hw_event_pause_errors++;
+
 			hccr = RD_REG_DWORD(&reg->hccr);
 
 			qla_printk(KERN_INFO, ha, "RISC paused -- HCCR=%x, "
@@ -1734,7 +1716,7 @@ qla24xx_msix_default(int irq, void *dev_id)
 		}
 		WRT_REG_DWORD(&reg->hccr, HCCRX_CLR_RISC_INT);
 	} while (0);
-	spin_unlock_irqrestore(&ha->hardware_lock, flags);
+	spin_unlock(&ha->hardware_lock);
 
 	if (test_bit(MBX_INTR_WAIT, &ha->mbx_cmd_flags) &&
 	    (status & MBX_INTERRUPT) && ha->flags.mbox_int) {
@@ -1821,10 +1803,9 @@ qla2x00_request_irqs(scsi_qla_host_t *ha)
 {
 	int ret;
 	device_reg_t __iomem *reg = ha->iobase;
-	unsigned long flags;
 
 	/* If possible, enable MSI-X. */
-	if (!IS_QLA2432(ha) && !IS_QLA2532(ha))
+	if (!IS_QLA2432(ha) && !IS_QLA2532(ha) && !IS_QLA8432(ha))
 		goto skip_msix;
 
         if (IS_QLA2432(ha) && (ha->chip_revision < QLA_MSIX_CHIP_REV_24XX ||
@@ -1859,7 +1840,7 @@ qla2x00_request_irqs(scsi_qla_host_t *ha)
 	    "MSI-X: Falling back-to INTa mode -- %d.\n", ret);
 skip_msix:
 
-	if (!IS_QLA24XX(ha) && !IS_QLA2532(ha))
+	if (!IS_QLA24XX(ha) && !IS_QLA2532(ha) && !IS_QLA8432(ha))
 		goto skip_msi;
 
 	ret = pci_enable_msi(ha->pdev);
@@ -1882,7 +1863,7 @@ skip_msi:
 clear_risc_ints:
 
 	ha->isp_ops->disable_intrs(ha);
-	spin_lock_irqsave(&ha->hardware_lock, flags);
+	spin_lock_irq(&ha->hardware_lock);
 	if (IS_FWI2_CAPABLE(ha)) {
 		WRT_REG_DWORD(&reg->isp24.hccr, HCCRX_CLR_HOST_INT);
 		WRT_REG_DWORD(&reg->isp24.hccr, HCCRX_CLR_RISC_INT);
@@ -1891,7 +1872,7 @@ clear_risc_ints:
 		WRT_REG_WORD(&reg->isp.hccr, HCCR_CLR_RISC_INT);
 		WRT_REG_WORD(&reg->isp.hccr, HCCR_CLR_HOST_INT);
 	}
-	spin_unlock_irqrestore(&ha->hardware_lock, flags);
+	spin_unlock_irq(&ha->hardware_lock);
 	ha->isp_ops->enable_intrs(ha);
 
 fail:
diff --git a/drivers/scsi/qla2xxx/qla_mbx.c b/drivers/scsi/qla2xxx/qla_mbx.c
index bb103580e1ba..7d0a8a4c7719 100644
--- a/drivers/scsi/qla2xxx/qla_mbx.c
+++ b/drivers/scsi/qla2xxx/qla_mbx.c
@@ -1,6 +1,6 @@
 /*
  * QLogic Fibre Channel HBA Driver
- * Copyright (c)  2003-2005 QLogic Corporation
+ * Copyright (c)  2003-2008 QLogic Corporation
  *
  * See LICENSE.qla2xxx for copyright and licensing details.
  */
@@ -310,7 +310,7 @@ qla2x00_load_ram(scsi_qla_host_t *ha, dma_addr_t req_dma, uint32_t risc_addr,
 	}
 
 	mcp->in_mb = MBX_0;
-	mcp->tov = 30;
+	mcp->tov = MBX_TOV_SECONDS;
 	mcp->flags = 0;
 	rval = qla2x00_mailbox_command(ha, mcp);
 
@@ -367,7 +367,7 @@ qla2x00_execute_fw(scsi_qla_host_t *ha, uint32_t risc_addr)
 		}
 	}
 
-	mcp->tov = 30;
+	mcp->tov = MBX_TOV_SECONDS;
 	mcp->flags = 0;
 	rval = qla2x00_mailbox_command(ha, mcp);
 
@@ -417,7 +417,7 @@ qla2x00_get_fw_version(scsi_qla_host_t *ha, uint16_t *major, uint16_t *minor,
 	mcp->out_mb = MBX_0;
 	mcp->in_mb = MBX_6|MBX_5|MBX_4|MBX_3|MBX_2|MBX_1|MBX_0;
 	mcp->flags = 0;
-	mcp->tov = 30;
+	mcp->tov = MBX_TOV_SECONDS;
 	rval = qla2x00_mailbox_command(ha, mcp);
 
 	/* Return mailbox data. */
@@ -466,7 +466,7 @@ qla2x00_get_fw_options(scsi_qla_host_t *ha, uint16_t *fwopts)
 	mcp->mb[0] = MBC_GET_FIRMWARE_OPTION;
 	mcp->out_mb = MBX_0;
 	mcp->in_mb = MBX_3|MBX_2|MBX_1|MBX_0;
-	mcp->tov = 30;
+	mcp->tov = MBX_TOV_SECONDS;
 	mcp->flags = 0;
 	rval = qla2x00_mailbox_command(ha, mcp);
 
@@ -524,7 +524,7 @@ qla2x00_set_fw_options(scsi_qla_host_t *ha, uint16_t *fwopts)
 		mcp->mb[12] = 0;	/* Undocumented, but used */
 		mcp->out_mb |= MBX_12|MBX_11|MBX_10;
 	}
-	mcp->tov = 30;
+	mcp->tov = MBX_TOV_SECONDS;
 	mcp->flags = 0;
 	rval = qla2x00_mailbox_command(ha, mcp);
 
@@ -576,7 +576,7 @@ qla2x00_mbx_reg_test(scsi_qla_host_t *ha)
 	mcp->mb[7] = 0x2525;
 	mcp->out_mb = MBX_7|MBX_6|MBX_5|MBX_4|MBX_3|MBX_2|MBX_1|MBX_0;
 	mcp->in_mb = MBX_7|MBX_6|MBX_5|MBX_4|MBX_3|MBX_2|MBX_1|MBX_0;
-	mcp->tov = 30;
+	mcp->tov = MBX_TOV_SECONDS;
 	mcp->flags = 0;
 	rval = qla2x00_mailbox_command(ha, mcp);
 
@@ -587,6 +587,14 @@ qla2x00_mbx_reg_test(scsi_qla_host_t *ha)
 		if (mcp->mb[5] != 0xA5A5 || mcp->mb[6] != 0x5A5A ||
 		    mcp->mb[7] != 0x2525)
 			rval = QLA_FUNCTION_FAILED;
+		if (rval == QLA_FUNCTION_FAILED) {
+			struct device_reg_24xx __iomem *reg =
+			    &ha->iobase->isp24;
+
+			qla2xxx_hw_event_log(ha, HW_EVENT_ISP_ERR, 0,
+			    LSW(RD_REG_DWORD(&reg->hccr)),
+			    LSW(RD_REG_DWORD(&reg->istatus)));
+		}
 	}
 
 	if (rval != QLA_SUCCESS) {
@@ -640,7 +648,7 @@ qla2x00_verify_checksum(scsi_qla_host_t *ha, uint32_t risc_addr)
 		mcp->in_mb |= MBX_1;
 	}
 
-	mcp->tov = 30;
+	mcp->tov = MBX_TOV_SECONDS;
 	mcp->flags = 0;
 	rval = qla2x00_mailbox_command(ha, mcp);
 
@@ -674,8 +682,8 @@ qla2x00_verify_checksum(scsi_qla_host_t *ha, uint32_t risc_addr)
  *	Kernel context.
  */
 int
-qla2x00_issue_iocb(scsi_qla_host_t *ha, void*  buffer, dma_addr_t phys_addr,
-    size_t size)
+qla2x00_issue_iocb_timeout(scsi_qla_host_t *ha, void *buffer,
+    dma_addr_t phys_addr, size_t size, uint32_t tov)
 {
 	int		rval;
 	mbx_cmd_t	mc;
@@ -689,7 +697,7 @@ qla2x00_issue_iocb(scsi_qla_host_t *ha, void*  buffer, dma_addr_t phys_addr,
 	mcp->mb[7] = LSW(MSD(phys_addr));
 	mcp->out_mb = MBX_7|MBX_6|MBX_3|MBX_2|MBX_1|MBX_0;
 	mcp->in_mb = MBX_2|MBX_0;
-	mcp->tov = 30;
+	mcp->tov = tov;
 	mcp->flags = 0;
 	rval = qla2x00_mailbox_command(ha, mcp);
 
@@ -710,6 +718,14 @@ qla2x00_issue_iocb(scsi_qla_host_t *ha, void*  buffer, dma_addr_t phys_addr,
 	return rval;
 }
 
+int
+qla2x00_issue_iocb(scsi_qla_host_t *ha, void *buffer, dma_addr_t phys_addr,
+    size_t size)
+{
+	return qla2x00_issue_iocb_timeout(ha, buffer, phys_addr, size,
+	    MBX_TOV_SECONDS);
+}
+
 /*
  * qla2x00_abort_command
  *	Abort command aborts a specified IOCB.
@@ -760,7 +776,7 @@ qla2x00_abort_command(scsi_qla_host_t *ha, srb_t *sp)
 	mcp->mb[6] = (uint16_t)sp->cmd->device->lun;
 	mcp->out_mb = MBX_6|MBX_3|MBX_2|MBX_1|MBX_0;
 	mcp->in_mb = MBX_0;
-	mcp->tov = 30;
+	mcp->tov = MBX_TOV_SECONDS;
 	mcp->flags = 0;
 	rval = qla2x00_mailbox_command(ha, mcp);
 
@@ -776,36 +792,20 @@ qla2x00_abort_command(scsi_qla_host_t *ha, srb_t *sp)
 	return rval;
 }
 
-#if USE_ABORT_TGT
-/*
- * qla2x00_abort_target
- *	Issue abort target mailbox command.
- *
- * Input:
- *	ha = adapter block pointer.
- *
- * Returns:
- *	qla2x00 local function return status code.
- *
- * Context:
- *	Kernel context.
- */
 int
-qla2x00_abort_target(fc_port_t *fcport)
+qla2x00_abort_target(struct fc_port *fcport, unsigned int l)
 {
-	int        rval;
+	int rval, rval2;
 	mbx_cmd_t  mc;
 	mbx_cmd_t  *mcp = &mc;
 	scsi_qla_host_t *ha;
 
-	if (fcport == NULL)
-		return 0;
-
 	DEBUG11(printk("%s(%ld): entered.\n", __func__, fcport->ha->host_no));
 
+	l = l;
 	ha = fcport->ha;
 	mcp->mb[0] = MBC_ABORT_TARGET;
-	mcp->out_mb = MBX_2|MBX_1|MBX_0;
+	mcp->out_mb = MBX_9|MBX_2|MBX_1|MBX_0;
 	if (HAS_EXTENDED_IDS(ha)) {
 		mcp->mb[1] = fcport->loop_id;
 		mcp->mb[10] = 0;
@@ -814,27 +814,70 @@ qla2x00_abort_target(fc_port_t *fcport)
 		mcp->mb[1] = fcport->loop_id << 8;
 	}
 	mcp->mb[2] = ha->loop_reset_delay;
+	mcp->mb[9] = ha->vp_idx;
 
 	mcp->in_mb = MBX_0;
-	mcp->tov = 30;
+	mcp->tov = MBX_TOV_SECONDS;
 	mcp->flags = 0;
 	rval = qla2x00_mailbox_command(ha, mcp);
+	if (rval != QLA_SUCCESS) {
+		DEBUG2_3_11(printk("%s(%ld): failed=%x.\n", __func__,
+		    ha->host_no, rval));
+	}
 
-	/* Issue marker command. */
-	ha->marker_needed = 1;
+	/* Issue marker IOCB. */
+	rval2 = qla2x00_marker(ha, fcport->loop_id, 0, MK_SYNC_ID);
+	if (rval2 != QLA_SUCCESS) {
+		DEBUG2_3_11(printk("%s(%ld): failed to issue Marker IOCB "
+		    "(%x).\n", __func__, ha->host_no, rval2));
+	} else {
+		DEBUG11(printk("%s(%ld): done.\n", __func__, ha->host_no));
+	}
+
+	return rval;
+}
+
+int
+qla2x00_lun_reset(struct fc_port *fcport, unsigned int l)
+{
+	int rval, rval2;
+	mbx_cmd_t  mc;
+	mbx_cmd_t  *mcp = &mc;
+	scsi_qla_host_t *ha;
+
+	DEBUG11(printk("%s(%ld): entered.\n", __func__, fcport->ha->host_no));
+
+	ha = fcport->ha;
+	mcp->mb[0] = MBC_LUN_RESET;
+	mcp->out_mb = MBX_9|MBX_3|MBX_2|MBX_1|MBX_0;
+	if (HAS_EXTENDED_IDS(ha))
+		mcp->mb[1] = fcport->loop_id;
+	else
+		mcp->mb[1] = fcport->loop_id << 8;
+	mcp->mb[2] = l;
+	mcp->mb[3] = 0;
+	mcp->mb[9] = ha->vp_idx;
 
+	mcp->in_mb = MBX_0;
+	mcp->tov = MBX_TOV_SECONDS;
+	mcp->flags = 0;
+	rval = qla2x00_mailbox_command(ha, mcp);
 	if (rval != QLA_SUCCESS) {
-		DEBUG2_3_11(printk("qla2x00_abort_target(%ld): failed=%x.\n",
+		DEBUG2_3_11(printk("%s(%ld): failed=%x.\n", __func__,
 		    ha->host_no, rval));
+	}
+
+	/* Issue marker IOCB. */
+	rval2 = qla2x00_marker(ha, fcport->loop_id, l, MK_SYNC_ID_LUN);
+	if (rval2 != QLA_SUCCESS) {
+		DEBUG2_3_11(printk("%s(%ld): failed to issue Marker IOCB "
+		    "(%x).\n", __func__, ha->host_no, rval2));
 	} else {
-		/*EMPTY*/
-		DEBUG11(printk("qla2x00_abort_target(%ld): done.\n",
-		    ha->host_no));
+		DEBUG11(printk("%s(%ld): done.\n", __func__, ha->host_no));
 	}
 
 	return rval;
 }
-#endif
 
 /*
  * qla2x00_get_adapter_id
@@ -871,7 +914,7 @@ qla2x00_get_adapter_id(scsi_qla_host_t *ha, uint16_t *id, uint8_t *al_pa,
 	mcp->mb[9] = ha->vp_idx;
 	mcp->out_mb = MBX_9|MBX_0;
 	mcp->in_mb = MBX_9|MBX_7|MBX_6|MBX_3|MBX_2|MBX_1|MBX_0;
-	mcp->tov = 30;
+	mcp->tov = MBX_TOV_SECONDS;
 	mcp->flags = 0;
 	rval = qla2x00_mailbox_command(ha, mcp);
 	if (mcp->mb[0] == MBS_COMMAND_ERROR)
@@ -928,7 +971,7 @@ qla2x00_get_retry_cnt(scsi_qla_host_t *ha, uint8_t *retry_cnt, uint8_t *tov,
 	mcp->mb[0] = MBC_GET_RETRY_COUNT;
 	mcp->out_mb = MBX_0;
 	mcp->in_mb = MBX_3|MBX_2|MBX_1|MBX_0;
-	mcp->tov = 30;
+	mcp->tov = MBX_TOV_SECONDS;
 	mcp->flags = 0;
 	rval = qla2x00_mailbox_command(ha, mcp);
 
@@ -995,7 +1038,7 @@ qla2x00_init_firmware(scsi_qla_host_t *ha, uint16_t size)
 	mcp->in_mb = MBX_5|MBX_4|MBX_0;
 	mcp->buf_size = size;
 	mcp->flags = MBX_DMA_OUT;
-	mcp->tov = 30;
+	mcp->tov = MBX_TOV_SECONDS;
 	rval = qla2x00_mailbox_command(ha, mcp);
 
 	if (rval != QLA_SUCCESS) {
@@ -1173,7 +1216,7 @@ gpd_error_out:
  *	Kernel context.
  */
 int
-qla2x00_get_firmware_state(scsi_qla_host_t *ha, uint16_t *dptr)
+qla2x00_get_firmware_state(scsi_qla_host_t *ha, uint16_t *states)
 {
 	int rval;
 	mbx_cmd_t mc;
@@ -1184,13 +1227,15 @@ qla2x00_get_firmware_state(scsi_qla_host_t *ha, uint16_t *dptr)
 
 	mcp->mb[0] = MBC_GET_FIRMWARE_STATE;
 	mcp->out_mb = MBX_0;
-	mcp->in_mb = MBX_2|MBX_1|MBX_0;
-	mcp->tov = 30;
+	mcp->in_mb = MBX_3|MBX_2|MBX_1|MBX_0;
+	mcp->tov = MBX_TOV_SECONDS;
 	mcp->flags = 0;
 	rval = qla2x00_mailbox_command(ha, mcp);
 
-	/* Return firmware state. */
-	*dptr = mcp->mb[1];
+	/* Return firmware states. */
+	states[0] = mcp->mb[1];
+	states[1] = mcp->mb[2];
+	states[2] = mcp->mb[3];
 
 	if (rval != QLA_SUCCESS) {
 		/*EMPTY*/
@@ -1246,7 +1291,7 @@ qla2x00_get_port_name(scsi_qla_host_t *ha, uint16_t loop_id, uint8_t *name,
 	}
 
 	mcp->in_mb = MBX_7|MBX_6|MBX_3|MBX_2|MBX_1|MBX_0;
-	mcp->tov = 30;
+	mcp->tov = MBX_TOV_SECONDS;
 	mcp->flags = 0;
 	rval = qla2x00_mailbox_command(ha, mcp);
 
@@ -1318,7 +1363,7 @@ qla2x00_lip_reset(scsi_qla_host_t *ha)
 		mcp->mb[3] = 0;
 	}
 	mcp->in_mb = MBX_0;
-	mcp->tov = 30;
+	mcp->tov = MBX_TOV_SECONDS;
 	mcp->flags = 0;
 	rval = qla2x00_mailbox_command(ha, mcp);
 
@@ -1743,7 +1788,7 @@ qla2x00_fabric_logout(scsi_qla_host_t *ha, uint16_t loop_id, uint8_t domain,
 	}
 
 	mcp->in_mb = MBX_1|MBX_0;
-	mcp->tov = 30;
+	mcp->tov = MBX_TOV_SECONDS;
 	mcp->flags = 0;
 	rval = qla2x00_mailbox_command(ha, mcp);
 
@@ -1791,7 +1836,7 @@ qla2x00_full_login_lip(scsi_qla_host_t *ha)
 	mcp->mb[3] = 0;
 	mcp->out_mb = MBX_3|MBX_2|MBX_1|MBX_0;
 	mcp->in_mb = MBX_0;
-	mcp->tov = 30;
+	mcp->tov = MBX_TOV_SECONDS;
 	mcp->flags = 0;
 	rval = qla2x00_mailbox_command(ha, mcp);
 
@@ -1852,7 +1897,7 @@ qla2x00_get_id_list(scsi_qla_host_t *ha, void *id_list, dma_addr_t id_list_dma,
 		mcp->out_mb |= MBX_6|MBX_3|MBX_2|MBX_1;
 	}
 	mcp->in_mb = MBX_1|MBX_0;
-	mcp->tov = 30;
+	mcp->tov = MBX_TOV_SECONDS;
 	mcp->flags = 0;
 	rval = qla2x00_mailbox_command(ha, mcp);
 
@@ -1896,7 +1941,7 @@ qla2x00_get_resource_cnts(scsi_qla_host_t *ha, uint16_t *cur_xchg_cnt,
 	mcp->mb[0] = MBC_GET_RESOURCE_COUNTS;
 	mcp->out_mb = MBX_0;
 	mcp->in_mb = MBX_11|MBX_10|MBX_7|MBX_6|MBX_3|MBX_2|MBX_1|MBX_0;
-	mcp->tov = 30;
+	mcp->tov = MBX_TOV_SECONDS;
 	mcp->flags = 0;
 	rval = qla2x00_mailbox_command(ha, mcp);
 
@@ -2036,7 +2081,7 @@ qla2x00_get_link_status(scsi_qla_host_t *ha, uint16_t loop_id,
 		mcp->mb[1] = loop_id << 8;
 		mcp->out_mb |= MBX_1;
 	}
-	mcp->tov = 30;
+	mcp->tov = MBX_TOV_SECONDS;
 	mcp->flags = IOCTL_CMD;
 	rval = qla2x00_mailbox_command(ha, mcp);
 
@@ -2082,7 +2127,7 @@ qla24xx_get_isp_stats(scsi_qla_host_t *ha, struct link_statistics *stats,
 	mcp->mb[10] = 0;
 	mcp->out_mb = MBX_10|MBX_9|MBX_8|MBX_7|MBX_6|MBX_3|MBX_2|MBX_0;
 	mcp->in_mb = MBX_2|MBX_1|MBX_0;
-	mcp->tov = 30;
+	mcp->tov = MBX_TOV_SECONDS;
 	mcp->flags = IOCTL_CMD;
 	rval = qla2x00_mailbox_command(ha, mcp);
 
@@ -2180,17 +2225,15 @@ struct tsk_mgmt_cmd {
 	} p;
 };
 
-int
-qla24xx_abort_target(fc_port_t *fcport)
+static int
+__qla24xx_issue_tmf(char *name, uint32_t type, struct fc_port *fcport,
+    unsigned int l)
 {
-	int		rval;
+	int		rval, rval2;
 	struct tsk_mgmt_cmd *tsk;
 	dma_addr_t	tsk_dma;
 	scsi_qla_host_t *ha, *pha;
 
-	if (fcport == NULL)
-		return 0;
-
 	DEBUG11(printk("%s(%ld): entered.\n", __func__, fcport->ha->host_no));
 
 	ha = fcport->ha;
@@ -2207,47 +2250,61 @@ qla24xx_abort_target(fc_port_t *fcport)
 	tsk->p.tsk.entry_count = 1;
 	tsk->p.tsk.nport_handle = cpu_to_le16(fcport->loop_id);
 	tsk->p.tsk.timeout = cpu_to_le16(ha->r_a_tov / 10 * 2);
-	tsk->p.tsk.control_flags = __constant_cpu_to_le32(TCF_TARGET_RESET);
+	tsk->p.tsk.control_flags = cpu_to_le32(type);
 	tsk->p.tsk.port_id[0] = fcport->d_id.b.al_pa;
 	tsk->p.tsk.port_id[1] = fcport->d_id.b.area;
 	tsk->p.tsk.port_id[2] = fcport->d_id.b.domain;
 	tsk->p.tsk.vp_index = fcport->vp_idx;
+	if (type == TCF_LUN_RESET) {
+		int_to_scsilun(l, &tsk->p.tsk.lun);
+		host_to_fcp_swap((uint8_t *)&tsk->p.tsk.lun,
+		    sizeof(tsk->p.tsk.lun));
+	}
 
 	rval = qla2x00_issue_iocb(ha, tsk, tsk_dma, 0);
 	if (rval != QLA_SUCCESS) {
-		DEBUG2_3_11(printk("%s(%ld): failed to issue Target Reset IOCB "
-		    "(%x).\n", __func__, ha->host_no, rval));
-		goto atarget_done;
+		DEBUG2_3_11(printk("%s(%ld): failed to issue %s Reset IOCB "
+		    "(%x).\n", __func__, ha->host_no, name, rval));
 	} else if (tsk->p.sts.entry_status != 0) {
 		DEBUG2_3_11(printk("%s(%ld): failed to complete IOCB "
 		    "-- error status (%x).\n", __func__, ha->host_no,
 		    tsk->p.sts.entry_status));
 		rval = QLA_FUNCTION_FAILED;
-		goto atarget_done;
 	} else if (tsk->p.sts.comp_status !=
 	    __constant_cpu_to_le16(CS_COMPLETE)) {
 		DEBUG2_3_11(printk("%s(%ld): failed to complete IOCB "
 		    "-- completion status (%x).\n", __func__,
 		    ha->host_no, le16_to_cpu(tsk->p.sts.comp_status)));
 		rval = QLA_FUNCTION_FAILED;
-		goto atarget_done;
 	}
 
 	/* Issue marker IOCB. */
-	rval = qla2x00_marker(ha, fcport->loop_id, 0, MK_SYNC_ID);
-	if (rval != QLA_SUCCESS) {
+	rval2 = qla2x00_marker(ha, fcport->loop_id, l,
+	    type == TCF_LUN_RESET ? MK_SYNC_ID_LUN: MK_SYNC_ID);
+	if (rval2 != QLA_SUCCESS) {
 		DEBUG2_3_11(printk("%s(%ld): failed to issue Marker IOCB "
-		    "(%x).\n", __func__, ha->host_no, rval));
+		    "(%x).\n", __func__, ha->host_no, rval2));
 	} else {
 		DEBUG11(printk("%s(%ld): done.\n", __func__, ha->host_no));
 	}
 
-atarget_done:
 	dma_pool_free(pha->s_dma_pool, tsk, tsk_dma);
 
 	return rval;
 }
 
+int
+qla24xx_abort_target(struct fc_port *fcport, unsigned int l)
+{
+	return __qla24xx_issue_tmf("Target", TCF_TARGET_RESET, fcport, l);
+}
+
+int
+qla24xx_lun_reset(struct fc_port *fcport, unsigned int l)
+{
+	return __qla24xx_issue_tmf("Lun", TCF_LUN_RESET, fcport, l);
+}
+
 #if 0
 
 int
@@ -2304,7 +2361,7 @@ qla2x00_set_serdes_params(scsi_qla_host_t *ha, uint16_t sw_em_1g,
 	mcp->mb[4] = sw_em_4g | BIT_15;
 	mcp->out_mb = MBX_4|MBX_3|MBX_2|MBX_1|MBX_0;
 	mcp->in_mb = MBX_0;
-	mcp->tov = 30;
+	mcp->tov = MBX_TOV_SECONDS;
 	mcp->flags = 0;
 	rval = qla2x00_mailbox_command(ha, mcp);
 
@@ -2372,7 +2429,7 @@ qla2x00_enable_eft_trace(scsi_qla_host_t *ha, dma_addr_t eft_dma,
 	mcp->mb[7] = TC_AEN_DISABLE;
 	mcp->out_mb = MBX_7|MBX_6|MBX_5|MBX_4|MBX_3|MBX_2|MBX_1|MBX_0;
 	mcp->in_mb = MBX_1|MBX_0;
-	mcp->tov = 30;
+	mcp->tov = MBX_TOV_SECONDS;
 	mcp->flags = 0;
 	rval = qla2x00_mailbox_command(ha, mcp);
 	if (rval != QLA_SUCCESS) {
@@ -2401,7 +2458,7 @@ qla2x00_disable_eft_trace(scsi_qla_host_t *ha)
 	mcp->mb[1] = TC_EFT_DISABLE;
 	mcp->out_mb = MBX_1|MBX_0;
 	mcp->in_mb = MBX_1|MBX_0;
-	mcp->tov = 30;
+	mcp->tov = MBX_TOV_SECONDS;
 	mcp->flags = 0;
 	rval = qla2x00_mailbox_command(ha, mcp);
 	if (rval != QLA_SUCCESS) {
@@ -2441,7 +2498,7 @@ qla2x00_enable_fce_trace(scsi_qla_host_t *ha, dma_addr_t fce_dma,
 	mcp->out_mb = MBX_10|MBX_9|MBX_8|MBX_7|MBX_6|MBX_5|MBX_4|MBX_3|MBX_2|
 	    MBX_1|MBX_0;
 	mcp->in_mb = MBX_6|MBX_5|MBX_4|MBX_3|MBX_2|MBX_1|MBX_0;
-	mcp->tov = 30;
+	mcp->tov = MBX_TOV_SECONDS;
 	mcp->flags = 0;
 	rval = qla2x00_mailbox_command(ha, mcp);
 	if (rval != QLA_SUCCESS) {
@@ -2477,7 +2534,7 @@ qla2x00_disable_fce_trace(scsi_qla_host_t *ha, uint64_t *wr, uint64_t *rd)
 	mcp->out_mb = MBX_2|MBX_1|MBX_0;
 	mcp->in_mb = MBX_9|MBX_8|MBX_7|MBX_6|MBX_5|MBX_4|MBX_3|MBX_2|
 	    MBX_1|MBX_0;
-	mcp->tov = 30;
+	mcp->tov = MBX_TOV_SECONDS;
 	mcp->flags = 0;
 	rval = qla2x00_mailbox_command(ha, mcp);
 	if (rval != QLA_SUCCESS) {
@@ -2525,7 +2582,7 @@ qla2x00_read_sfp(scsi_qla_host_t *ha, dma_addr_t sfp_dma, uint16_t addr,
 	mcp->mb[10] = 0;
 	mcp->out_mb = MBX_10|MBX_9|MBX_8|MBX_7|MBX_6|MBX_3|MBX_2|MBX_1|MBX_0;
 	mcp->in_mb = MBX_0;
-	mcp->tov = 30;
+	mcp->tov = MBX_TOV_SECONDS;
 	mcp->flags = 0;
 	rval = qla2x00_mailbox_command(ha, mcp);
 
@@ -2559,7 +2616,7 @@ qla2x00_set_idma_speed(scsi_qla_host_t *ha, uint16_t loop_id,
 	mcp->mb[4] = mcp->mb[5] = 0;
 	mcp->out_mb = MBX_5|MBX_4|MBX_3|MBX_2|MBX_1|MBX_0;
 	mcp->in_mb = MBX_5|MBX_4|MBX_3|MBX_1|MBX_0;
-	mcp->tov = 30;
+	mcp->tov = MBX_TOV_SECONDS;
 	mcp->flags = 0;
 	rval = qla2x00_mailbox_command(ha, mcp);
 
@@ -2877,7 +2934,7 @@ qla2x00_dump_ram(scsi_qla_host_t *ha, dma_addr_t req_dma, uint32_t addr,
 	}
 
 	mcp->in_mb = MBX_0;
-	mcp->tov = 30;
+	mcp->tov = MBX_TOV_SECONDS;
 	mcp->flags = 0;
 	rval = qla2x00_mailbox_command(ha, mcp);
 
@@ -2890,3 +2947,104 @@ qla2x00_dump_ram(scsi_qla_host_t *ha, dma_addr_t req_dma, uint32_t addr,
 
 	return rval;
 }
+
+/* 84XX Support **************************************************************/
+
+struct cs84xx_mgmt_cmd {
+	union {
+		struct verify_chip_entry_84xx req;
+		struct verify_chip_rsp_84xx rsp;
+	} p;
+};
+
+int
+qla84xx_verify_chip(struct scsi_qla_host *ha, uint16_t *status)
+{
+	int rval, retry;
+	struct cs84xx_mgmt_cmd *mn;
+	dma_addr_t mn_dma;
+	uint16_t options;
+	unsigned long flags;
+
+	DEBUG16(printk("%s(%ld): entered.\n", __func__, ha->host_no));
+
+	mn = dma_pool_alloc(ha->s_dma_pool, GFP_KERNEL, &mn_dma);
+	if (mn == NULL) {
+		DEBUG2_3(printk("%s(%ld): failed to allocate Verify ISP84XX "
+		    "IOCB.\n", __func__, ha->host_no));
+		return QLA_MEMORY_ALLOC_FAILED;
+	}
+
+	/* Force Update? */
+	options = ha->cs84xx->fw_update ? VCO_FORCE_UPDATE : 0;
+	/* Diagnostic firmware? */
+	/* options |= MENLO_DIAG_FW; */
+	/* We update the firmware with only one data sequence. */
+	options |= VCO_END_OF_DATA;
+
+	retry = 0;
+	do {
+		memset(mn, 0, sizeof(*mn));
+		mn->p.req.entry_type = VERIFY_CHIP_IOCB_TYPE;
+		mn->p.req.entry_count = 1;
+		mn->p.req.options = cpu_to_le16(options);
+
+		DEBUG16(printk("%s(%ld): Dump of Verify Request.\n", __func__,
+		    ha->host_no));
+		DEBUG16(qla2x00_dump_buffer((uint8_t *)mn,
+		    sizeof(*mn)));
+
+		rval = qla2x00_issue_iocb_timeout(ha, mn, mn_dma, 0, 120);
+		if (rval != QLA_SUCCESS) {
+			DEBUG2_16(printk("%s(%ld): failed to issue Verify "
+			    "IOCB (%x).\n", __func__, ha->host_no, rval));
+			goto verify_done;
+		}
+
+		DEBUG16(printk("%s(%ld): Dump of Verify Response.\n", __func__,
+		    ha->host_no));
+		DEBUG16(qla2x00_dump_buffer((uint8_t *)mn,
+		    sizeof(*mn)));
+
+		status[0] = le16_to_cpu(mn->p.rsp.comp_status);
+		status[1] = status[0] == CS_VCS_CHIP_FAILURE ?
+		    le16_to_cpu(mn->p.rsp.failure_code) : 0;
+		DEBUG2_16(printk("%s(%ld): cs=%x fc=%x\n", __func__,
+		    ha->host_no, status[0], status[1]));
+
+		if (status[0] != CS_COMPLETE) {
+			rval = QLA_FUNCTION_FAILED;
+			if (!(options & VCO_DONT_UPDATE_FW)) {
+				DEBUG2_16(printk("%s(%ld): Firmware update "
+				    "failed. Retrying without update "
+				    "firmware.\n", __func__, ha->host_no));
+				options |= VCO_DONT_UPDATE_FW;
+				options &= ~VCO_FORCE_UPDATE;
+				retry = 1;
+			}
+		} else {
+			DEBUG2_16(printk("%s(%ld): firmware updated to %x.\n",
+			    __func__, ha->host_no,
+			    le32_to_cpu(mn->p.rsp.fw_ver)));
+
+			/* NOTE: we only update OP firmware. */
+			spin_lock_irqsave(&ha->cs84xx->access_lock, flags);
+			ha->cs84xx->op_fw_version =
+			    le32_to_cpu(mn->p.rsp.fw_ver);
+			spin_unlock_irqrestore(&ha->cs84xx->access_lock,
+			    flags);
+		}
+	} while (retry);
+
+verify_done:
+	dma_pool_free(ha->s_dma_pool, mn, mn_dma);
+
+	if (rval != QLA_SUCCESS) {
+		DEBUG2_16(printk("%s(%ld): failed=%x.\n", __func__,
+		    ha->host_no, rval));
+	} else {
+		DEBUG16(printk("%s(%ld): done.\n", __func__, ha->host_no));
+	}
+
+	return rval;
+}
diff --git a/drivers/scsi/qla2xxx/qla_mid.c b/drivers/scsi/qla2xxx/qla_mid.c
index cf784cdafb01..f2b04979e5f0 100644
--- a/drivers/scsi/qla2xxx/qla_mid.c
+++ b/drivers/scsi/qla2xxx/qla_mid.c
@@ -1,20 +1,8 @@
 /*
- *                  QLOGIC LINUX SOFTWARE
- *
- * QLogic ISP2x00 device driver for Linux 2.6.x
- * Copyright (C) 2003-2005 QLogic Corporation
- * (www.qlogic.com)
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms of the GNU General Public License as published by the
- * Free Software Foundation; either version 2, or (at your option) any
- * later version.
- *
- * This program is distributed in the hope that it will be useful, but
- * WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
- * General Public License for more details.
+ * QLogic Fibre Channel HBA Driver
+ * Copyright (c)  2003-2008 QLogic Corporation
  *
+ * See LICENSE.qla2xxx for copyright and licensing details.
  */
 #include "qla_def.h"
 
@@ -28,8 +16,6 @@
 #include <scsi/scsicam.h>
 #include <linux/delay.h>
 
-void qla2x00_vp_stop_timer(scsi_qla_host_t *);
-
 void
 qla2x00_vp_stop_timer(scsi_qla_host_t *vha)
 {
@@ -268,9 +254,17 @@ qla2x00_vp_abort_isp(scsi_qla_host_t *vha)
 static int
 qla2x00_do_dpc_vp(scsi_qla_host_t *vha)
 {
+	scsi_qla_host_t *ha = vha->parent;
+
 	if (test_and_clear_bit(VP_IDX_ACQUIRED, &vha->vp_flags)) {
 		/* VP acquired. complete port configuration */
-		qla24xx_configure_vp(vha);
+		if (atomic_read(&ha->loop_state) == LOOP_READY) {
+			qla24xx_configure_vp(vha);
+		} else {
+			set_bit(VP_IDX_ACQUIRED, &vha->vp_flags);
+			set_bit(VP_DPC_NEEDED, &ha->dpc_flags);
+		}
+
 		return 0;
 	}
 
diff --git a/drivers/scsi/qla2xxx/qla_os.c b/drivers/scsi/qla2xxx/qla_os.c
index 3c1b43356adb..8b33b163b1d4 100644
--- a/drivers/scsi/qla2xxx/qla_os.c
+++ b/drivers/scsi/qla2xxx/qla_os.c
@@ -1,6 +1,6 @@
 /*
  * QLogic Fibre Channel HBA Driver
- * Copyright (c)  2003-2005 QLogic Corporation
+ * Copyright (c)  2003-2008 QLogic Corporation
  *
  * See LICENSE.qla2xxx for copyright and licensing details.
  */
@@ -26,9 +26,6 @@ char qla2x00_version_str[40];
  */
 static struct kmem_cache *srb_cachep;
 
-/*
- * Ioctl related information.
- */
 int num_hosts;
 int ql2xlogintimeout = 20;
 module_param(ql2xlogintimeout, int, S_IRUGO|S_IRUSR);
@@ -103,9 +100,9 @@ static int qla24xx_queuecommand(struct scsi_cmnd *cmd,
 		void (*fn)(struct scsi_cmnd *));
 static int qla2xxx_eh_abort(struct scsi_cmnd *);
 static int qla2xxx_eh_device_reset(struct scsi_cmnd *);
+static int qla2xxx_eh_target_reset(struct scsi_cmnd *);
 static int qla2xxx_eh_bus_reset(struct scsi_cmnd *);
 static int qla2xxx_eh_host_reset(struct scsi_cmnd *);
-static int qla2x00_device_reset(scsi_qla_host_t *, fc_port_t *);
 
 static int qla2x00_change_queue_depth(struct scsi_device *, int);
 static int qla2x00_change_queue_type(struct scsi_device *, int);
@@ -117,6 +114,7 @@ static struct scsi_host_template qla2x00_driver_template = {
 
 	.eh_abort_handler	= qla2xxx_eh_abort,
 	.eh_device_reset_handler = qla2xxx_eh_device_reset,
+	.eh_target_reset_handler = qla2xxx_eh_target_reset,
 	.eh_bus_reset_handler	= qla2xxx_eh_bus_reset,
 	.eh_host_reset_handler	= qla2xxx_eh_host_reset,
 
@@ -148,6 +146,7 @@ struct scsi_host_template qla24xx_driver_template = {
 
 	.eh_abort_handler	= qla2xxx_eh_abort,
 	.eh_device_reset_handler = qla2xxx_eh_device_reset,
+	.eh_target_reset_handler = qla2xxx_eh_target_reset,
 	.eh_bus_reset_handler	= qla2xxx_eh_bus_reset,
 	.eh_host_reset_handler	= qla2xxx_eh_host_reset,
 
@@ -253,9 +252,9 @@ qla24xx_pci_info_str(struct scsi_qla_host *ha, char *str)
 
 		strcpy(str, "PCIe (");
 		if (lspeed == 1)
-			strcat(str, "2.5Gb/s ");
+			strcat(str, "2.5GT/s ");
 		else if (lspeed == 2)
-			strcat(str, "5.0Gb/s ");
+			strcat(str, "5.0GT/s ");
 		else
 			strcat(str, "<unknown> ");
 		snprintf(lwstr, sizeof(lwstr), "x%d)", lwidth);
@@ -340,6 +339,8 @@ qla24xx_fw_version_str(struct scsi_qla_host *ha, char *str)
 		strcat(str, "[T10 CRC] ");
 	if (ha->fw_attributes & BIT_5)
 		strcat(str, "[VI] ");
+	if (ha->fw_attributes & BIT_10)
+		strcat(str, "[84XX] ");
 	if (ha->fw_attributes & BIT_13)
 		strcat(str, "[Experimental]");
 	return str;
@@ -570,8 +571,6 @@ qla2x00_wait_for_hba_online(scsi_qla_host_t *ha)
 	else
 		return_status = QLA_FUNCTION_FAILED;
 
-	DEBUG2(printk("%s return_status=%d\n",__func__,return_status));
-
 	return (return_status);
 }
 
@@ -685,7 +684,6 @@ qla2xxx_eh_abort(struct scsi_cmnd *cmd)
 
 		DEBUG2(printk("%s(%ld): aborting sp %p from RISC. pid=%ld.\n",
 		    __func__, ha->host_no, sp, serial));
-		DEBUG3(qla2x00_print_scsi_cmd(cmd));
 
 		spin_unlock_irqrestore(&pha->hardware_lock, flags);
 		if (ha->isp_ops->abort_command(ha, sp)) {
@@ -719,190 +717,122 @@ qla2xxx_eh_abort(struct scsi_cmnd *cmd)
 	return ret;
 }
 
-/**************************************************************************
-* qla2x00_eh_wait_for_pending_target_commands
-*
-* Description:
-*    Waits for all the commands to come back from the specified target.
-*
-* Input:
-*    ha - pointer to scsi_qla_host structure.
-*    t  - target
-* Returns:
-*    Either SUCCESS or FAILED.
-*
-* Note:
-**************************************************************************/
+enum nexus_wait_type {
+	WAIT_HOST = 0,
+	WAIT_TARGET,
+	WAIT_LUN,
+};
+
 static int
-qla2x00_eh_wait_for_pending_target_commands(scsi_qla_host_t *ha, unsigned int t)
+qla2x00_eh_wait_for_pending_commands(scsi_qla_host_t *ha, unsigned int t,
+    unsigned int l, enum nexus_wait_type type)
 {
-	int	cnt;
-	int	status;
-	srb_t		*sp;
-	struct scsi_cmnd *cmd;
+	int cnt, match, status;
+	srb_t *sp;
 	unsigned long flags;
 	scsi_qla_host_t *pha = to_qla_parent(ha);
 
-	status = 0;
-
-	/*
-	 * Waiting for all commands for the designated target in the active
-	 * array
-	 */
-	for (cnt = 1; cnt < MAX_OUTSTANDING_COMMANDS; cnt++) {
-		spin_lock_irqsave(&pha->hardware_lock, flags);
+	status = QLA_SUCCESS;
+	spin_lock_irqsave(&pha->hardware_lock, flags);
+	for (cnt = 1; status == QLA_SUCCESS && cnt < MAX_OUTSTANDING_COMMANDS;
+	    cnt++) {
 		sp = pha->outstanding_cmds[cnt];
-		if (sp) {
-			cmd = sp->cmd;
-			spin_unlock_irqrestore(&pha->hardware_lock, flags);
-			if (cmd->device->id == t &&
-			    ha->vp_idx == sp->ha->vp_idx) {
-				if (!qla2x00_eh_wait_on_command(ha, cmd)) {
-					status = 1;
-					break;
-				}
-			}
-		} else {
-			spin_unlock_irqrestore(&pha->hardware_lock, flags);
+		if (!sp)
+			continue;
+		if (ha->vp_idx != sp->ha->vp_idx)
+			continue;
+		match = 0;
+		switch (type) {
+		case WAIT_HOST:
+			match = 1;
+			break;
+		case WAIT_TARGET:
+			match = sp->cmd->device->id == t;
+			break;
+		case WAIT_LUN:
+			match = (sp->cmd->device->id == t &&
+			    sp->cmd->device->lun == l);
+			break;
 		}
+		if (!match)
+			continue;
+
+		spin_unlock_irqrestore(&pha->hardware_lock, flags);
+		status = qla2x00_eh_wait_on_command(ha, sp->cmd);
+		spin_lock_irqsave(&pha->hardware_lock, flags);
 	}
-	return (status);
+	spin_unlock_irqrestore(&pha->hardware_lock, flags);
+
+	return status;
 }
 
+static char *reset_errors[] = {
+	"HBA not online",
+	"HBA not ready",
+	"Task management failed",
+	"Waiting for command completions",
+};
 
-/**************************************************************************
-* qla2xxx_eh_device_reset
-*
-* Description:
-*    The device reset function will reset the target and abort any
-*    executing commands.
-*
-*    NOTE: The use of SP is undefined within this context.  Do *NOT*
-*          attempt to use this value, even if you determine it is
-*          non-null.
-*
-* Input:
-*    cmd = Linux SCSI command packet of the command that cause the
-*          bus device reset.
-*
-* Returns:
-*    SUCCESS/FAILURE (defined as macro in scsi.h).
-*
-**************************************************************************/
 static int
-qla2xxx_eh_device_reset(struct scsi_cmnd *cmd)
+__qla2xxx_eh_generic_reset(char *name, enum nexus_wait_type type,
+    struct scsi_cmnd *cmd, int (*do_reset)(struct fc_port *, unsigned int))
 {
 	scsi_qla_host_t *ha = shost_priv(cmd->device->host);
 	fc_port_t *fcport = (struct fc_port *) cmd->device->hostdata;
-	int ret = FAILED;
-	unsigned int id, lun;
-	unsigned long serial;
+	int err;
 
 	qla2x00_block_error_handler(cmd);
 
-	id = cmd->device->id;
-	lun = cmd->device->lun;
-	serial = cmd->serial_number;
-
 	if (!fcport)
-		return ret;
+		return FAILED;
 
-	qla_printk(KERN_INFO, ha,
-	    "scsi(%ld:%d:%d): DEVICE RESET ISSUED.\n", ha->host_no, id, lun);
+	qla_printk(KERN_INFO, ha, "scsi(%ld:%d:%d): %s RESET ISSUED.\n",
+	    ha->host_no, cmd->device->id, cmd->device->lun, name);
 
+	err = 0;
 	if (qla2x00_wait_for_hba_online(ha) != QLA_SUCCESS)
-		goto eh_dev_reset_done;
-
-	if (qla2x00_wait_for_loop_ready(ha) == QLA_SUCCESS) {
-		if (qla2x00_device_reset(ha, fcport) == 0)
-			ret = SUCCESS;
-
-#if defined(LOGOUT_AFTER_DEVICE_RESET)
-		if (ret == SUCCESS) {
-			if (fcport->flags & FC_FABRIC_DEVICE) {
-				ha->isp_ops->fabric_logout(ha, fcport->loop_id);
-				qla2x00_mark_device_lost(ha, fcport, 0, 0);
-			}
-		}
-#endif
-	} else {
-		DEBUG2(printk(KERN_INFO
-		    "%s failed: loop not ready\n",__func__));
-	}
-
-	if (ret == FAILED) {
-		DEBUG3(printk("%s(%ld): device reset failed\n",
-		    __func__, ha->host_no));
-		qla_printk(KERN_INFO, ha, "%s: device reset failed\n",
-		    __func__);
+		goto eh_reset_failed;
+	err = 1;
+	if (qla2x00_wait_for_loop_ready(ha) != QLA_SUCCESS)
+		goto eh_reset_failed;
+	err = 2;
+	if (do_reset(fcport, cmd->device->lun) != QLA_SUCCESS)
+		goto eh_reset_failed;
+	err = 3;
+	if (qla2x00_eh_wait_for_pending_commands(ha, cmd->device->id,
+	    cmd->device->lun, type) != QLA_SUCCESS)
+		goto eh_reset_failed;
+
+	qla_printk(KERN_INFO, ha, "scsi(%ld:%d:%d): %s RESET SUCCEEDED.\n",
+	    ha->host_no, cmd->device->id, cmd->device->lun, name);
+
+	return SUCCESS;
+
+ eh_reset_failed:
+	qla_printk(KERN_INFO, ha, "scsi(%ld:%d:%d): %s RESET FAILED: %s.\n",
+	    ha->host_no, cmd->device->id, cmd->device->lun, name,
+	    reset_errors[err]);
+	return FAILED;
+}
 
-		goto eh_dev_reset_done;
-	}
+static int
+qla2xxx_eh_device_reset(struct scsi_cmnd *cmd)
+{
+	scsi_qla_host_t *ha = shost_priv(cmd->device->host);
 
-	/* Flush outstanding commands. */
-	if (qla2x00_eh_wait_for_pending_target_commands(ha, id))
-		ret = FAILED;
-	if (ret == FAILED) {
-		DEBUG3(printk("%s(%ld): failed while waiting for commands\n",
-		    __func__, ha->host_no));
-		qla_printk(KERN_INFO, ha,
-		    "%s: failed while waiting for commands\n", __func__);
-	} else
-		qla_printk(KERN_INFO, ha,
-		    "scsi(%ld:%d:%d): DEVICE RESET SUCCEEDED.\n", ha->host_no,
-		    id, lun);
- eh_dev_reset_done:
-	return ret;
+	return __qla2xxx_eh_generic_reset("DEVICE", WAIT_LUN, cmd,
+	    ha->isp_ops->lun_reset);
 }
 
-/**************************************************************************
-* qla2x00_eh_wait_for_pending_commands
-*
-* Description:
-*    Waits for all the commands to come back from the specified host.
-*
-* Input:
-*    ha - pointer to scsi_qla_host structure.
-*
-* Returns:
-*    1 : SUCCESS
-*    0 : FAILED
-*
-* Note:
-**************************************************************************/
 static int
-qla2x00_eh_wait_for_pending_commands(scsi_qla_host_t *ha)
+qla2xxx_eh_target_reset(struct scsi_cmnd *cmd)
 {
-	int	cnt;
-	int	status;
-	srb_t		*sp;
-	struct scsi_cmnd *cmd;
-	unsigned long flags;
-
-	status = 1;
+	scsi_qla_host_t *ha = shost_priv(cmd->device->host);
 
-	/*
-	 * Waiting for all commands for the designated target in the active
-	 * array
-	 */
-	for (cnt = 1; cnt < MAX_OUTSTANDING_COMMANDS; cnt++) {
-		spin_lock_irqsave(&ha->hardware_lock, flags);
-		sp = ha->outstanding_cmds[cnt];
-		if (sp) {
-			cmd = sp->cmd;
-			spin_unlock_irqrestore(&ha->hardware_lock, flags);
-			status = qla2x00_eh_wait_on_command(ha, cmd);
-			if (status == 0)
-				break;
-		}
-		else {
-			spin_unlock_irqrestore(&ha->hardware_lock, flags);
-		}
-	}
-	return (status);
+	return __qla2xxx_eh_generic_reset("TARGET", WAIT_TARGET, cmd,
+	    ha->isp_ops->target_reset);
 }
 
-
 /**************************************************************************
 * qla2xxx_eh_bus_reset
 *
@@ -953,7 +883,8 @@ qla2xxx_eh_bus_reset(struct scsi_cmnd *cmd)
 		goto eh_bus_reset_done;
 
 	/* Flush outstanding commands. */
-	if (!qla2x00_eh_wait_for_pending_commands(pha))
+	if (qla2x00_eh_wait_for_pending_commands(pha, 0, 0, WAIT_HOST) !=
+	    QLA_SUCCESS)
 		ret = FAILED;
 
 eh_bus_reset_done:
@@ -1024,7 +955,8 @@ qla2xxx_eh_host_reset(struct scsi_cmnd *cmd)
 	clear_bit(ABORT_ISP_ACTIVE, &pha->dpc_flags);
 
 	/* Waiting for our command in done_queue to be returned to OS.*/
-	if (qla2x00_eh_wait_for_pending_commands(pha))
+	if (qla2x00_eh_wait_for_pending_commands(pha, 0, 0, WAIT_HOST) ==
+	    QLA_SUCCESS)
 		ret = SUCCESS;
 
 	if (ha->parent)
@@ -1080,7 +1012,7 @@ qla2x00_loop_reset(scsi_qla_host_t *ha)
 			if (fcport->port_type != FCT_TARGET)
 				continue;
 
-			ret = qla2x00_device_reset(ha, fcport);
+			ret = ha->isp_ops->target_reset(fcport, 0);
 			if (ret != QLA_SUCCESS) {
 				DEBUG2_3(printk("%s(%ld): bus_reset failed: "
 				    "target_reset=%d d_id=%x.\n", __func__,
@@ -1095,26 +1027,6 @@ qla2x00_loop_reset(scsi_qla_host_t *ha)
 	return QLA_SUCCESS;
 }
 
-/*
- * qla2x00_device_reset
- *	Issue bus device reset message to the target.
- *
- * Input:
- *	ha = adapter block pointer.
- *	t = SCSI ID.
- *	TARGET_QUEUE_LOCK must be released.
- *	ADAPTER_STATE_LOCK must be released.
- *
- * Context:
- *	Kernel context.
- */
-static int
-qla2x00_device_reset(scsi_qla_host_t *ha, fc_port_t *reset_fcport)
-{
-	/* Abort Target command will clear Reservation */
-	return ha->isp_ops->abort_target(reset_fcport);
-}
-
 void
 qla2x00_abort_all_cmds(scsi_qla_host_t *ha, int res)
 {
@@ -1292,7 +1204,8 @@ static struct isp_operations qla2100_isp_ops = {
 	.enable_intrs		= qla2x00_enable_intrs,
 	.disable_intrs		= qla2x00_disable_intrs,
 	.abort_command		= qla2x00_abort_command,
-	.abort_target		= qla2x00_abort_target,
+	.target_reset		= qla2x00_abort_target,
+	.lun_reset		= qla2x00_lun_reset,
 	.fabric_login		= qla2x00_login_fabric,
 	.fabric_logout		= qla2x00_fabric_logout,
 	.calc_req_entries	= qla2x00_calc_iocbs_32,
@@ -1325,7 +1238,8 @@ static struct isp_operations qla2300_isp_ops = {
 	.enable_intrs		= qla2x00_enable_intrs,
 	.disable_intrs		= qla2x00_disable_intrs,
 	.abort_command		= qla2x00_abort_command,
-	.abort_target		= qla2x00_abort_target,
+	.target_reset		= qla2x00_abort_target,
+	.lun_reset		= qla2x00_lun_reset,
 	.fabric_login		= qla2x00_login_fabric,
 	.fabric_logout		= qla2x00_fabric_logout,
 	.calc_req_entries	= qla2x00_calc_iocbs_32,
@@ -1358,7 +1272,8 @@ static struct isp_operations qla24xx_isp_ops = {
 	.enable_intrs		= qla24xx_enable_intrs,
 	.disable_intrs		= qla24xx_disable_intrs,
 	.abort_command		= qla24xx_abort_command,
-	.abort_target		= qla24xx_abort_target,
+	.target_reset		= qla24xx_abort_target,
+	.lun_reset		= qla24xx_lun_reset,
 	.fabric_login		= qla24xx_login_fabric,
 	.fabric_logout		= qla24xx_fabric_logout,
 	.calc_req_entries	= NULL,
@@ -1391,7 +1306,8 @@ static struct isp_operations qla25xx_isp_ops = {
 	.enable_intrs		= qla24xx_enable_intrs,
 	.disable_intrs		= qla24xx_disable_intrs,
 	.abort_command		= qla24xx_abort_command,
-	.abort_target		= qla24xx_abort_target,
+	.target_reset		= qla24xx_abort_target,
+	.lun_reset		= qla24xx_lun_reset,
 	.fabric_login		= qla24xx_login_fabric,
 	.fabric_logout		= qla24xx_fabric_logout,
 	.calc_req_entries	= NULL,
@@ -1464,6 +1380,13 @@ qla2x00_set_isp_flags(scsi_qla_host_t *ha)
 		ha->device_type |= DT_IIDMA;
 		ha->fw_srisc_address = RISC_START_ADDRESS_2400;
 		break;
+	case PCI_DEVICE_ID_QLOGIC_ISP8432:
+		ha->device_type |= DT_ISP8432;
+		ha->device_type |= DT_ZIO_SUPPORTED;
+		ha->device_type |= DT_FWI2;
+		ha->device_type |= DT_IIDMA;
+		ha->fw_srisc_address = RISC_START_ADDRESS_2400;
+		break;
 	case PCI_DEVICE_ID_QLOGIC_ISP5422:
 		ha->device_type |= DT_ISP5422;
 		ha->device_type |= DT_FWI2;
@@ -1587,6 +1510,7 @@ qla2x00_probe_one(struct pci_dev *pdev, const struct pci_device_id *id)
 	sht = &qla2x00_driver_template;
 	if (pdev->device == PCI_DEVICE_ID_QLOGIC_ISP2422 ||
 	    pdev->device == PCI_DEVICE_ID_QLOGIC_ISP2432 ||
+	    pdev->device == PCI_DEVICE_ID_QLOGIC_ISP8432 ||
 	    pdev->device == PCI_DEVICE_ID_QLOGIC_ISP5422 ||
 	    pdev->device == PCI_DEVICE_ID_QLOGIC_ISP5432 ||
 	    pdev->device == PCI_DEVICE_ID_QLOGIC_ISP2532) {
@@ -1677,7 +1601,7 @@ qla2x00_probe_one(struct pci_dev *pdev, const struct pci_device_id *id)
 		if (IS_QLA2322(ha) || IS_QLA6322(ha))
 			ha->optrom_size = OPTROM_SIZE_2322;
 		ha->isp_ops = &qla2300_isp_ops;
-	} else if (IS_QLA24XX(ha) || IS_QLA54XX(ha)) {
+	} else if (IS_QLA24XX_TYPE(ha)) {
 		host->max_id = MAX_TARGETS_2200;
 		ha->mbx_count = MAILBOX_REGISTER_COUNT;
 		ha->request_q_length = REQUEST_ENTRY_CNT_24XX;
@@ -1699,6 +1623,8 @@ qla2x00_probe_one(struct pci_dev *pdev, const struct pci_device_id *id)
 		ha->gid_list_info_size = 8;
 		ha->optrom_size = OPTROM_SIZE_25XX;
 		ha->isp_ops = &qla25xx_isp_ops;
+		ha->hw_event_start = PCI_FUNC(pdev->devfn) ?
+		    FA_HW_EVENT1_ADDR: FA_HW_EVENT0_ADDR;
 	}
 	host->can_queue = ha->request_q_length + 128;
 
@@ -1713,6 +1639,7 @@ qla2x00_probe_one(struct pci_dev *pdev, const struct pci_device_id *id)
 	INIT_LIST_HEAD(&ha->list);
 	INIT_LIST_HEAD(&ha->fcports);
 	INIT_LIST_HEAD(&ha->vp_list);
+	INIT_LIST_HEAD(&ha->work_list);
 
 	set_bit(0, (unsigned long *) ha->vp_idx_map);
 
@@ -1819,6 +1746,8 @@ qla2x00_remove_one(struct pci_dev *pdev)
 
 	qla2x00_dfs_remove(ha);
 
+	qla84xx_put_chip(ha);
+
 	qla2x00_free_sysfs_attr(ha);
 
 	fc_remove_host(ha->host);
@@ -2206,6 +2135,97 @@ qla2x00_mem_free(scsi_qla_host_t *ha)
 	kfree(ha->nvram);
 }
 
+struct qla_work_evt *
+qla2x00_alloc_work(struct scsi_qla_host *ha, enum qla_work_type type,
+    int locked)
+{
+	struct qla_work_evt *e;
+
+	e = kzalloc(sizeof(struct qla_work_evt), locked ? GFP_ATOMIC:
+	    GFP_KERNEL);
+	if (!e)
+		return NULL;
+
+	INIT_LIST_HEAD(&e->list);
+	e->type = type;
+	e->flags = QLA_EVT_FLAG_FREE;
+	return e;
+}
+
+int
+qla2x00_post_work(struct scsi_qla_host *ha, struct qla_work_evt *e, int locked)
+{
+	unsigned long flags;
+
+	if (!locked)
+		spin_lock_irqsave(&ha->hardware_lock, flags);
+	list_add_tail(&e->list, &ha->work_list);
+	qla2xxx_wake_dpc(ha);
+	if (!locked)
+		spin_unlock_irqrestore(&ha->hardware_lock, flags);
+	return QLA_SUCCESS;
+}
+
+int
+qla2x00_post_aen_work(struct scsi_qla_host *ha, enum fc_host_event_code code,
+    u32 data)
+{
+	struct qla_work_evt *e;
+
+	e = qla2x00_alloc_work(ha, QLA_EVT_AEN, 1);
+	if (!e)
+		return QLA_FUNCTION_FAILED;
+
+	e->u.aen.code = code;
+	e->u.aen.data = data;
+	return qla2x00_post_work(ha, e, 1);
+}
+
+int
+qla2x00_post_hwe_work(struct scsi_qla_host *ha, uint16_t code, uint16_t d1,
+    uint16_t d2, uint16_t d3)
+{
+	struct qla_work_evt *e;
+
+	e = qla2x00_alloc_work(ha, QLA_EVT_HWE_LOG, 1);
+	if (!e)
+		return QLA_FUNCTION_FAILED;
+
+	e->u.hwe.code = code;
+	e->u.hwe.d1 = d1;
+	e->u.hwe.d2 = d2;
+	e->u.hwe.d3 = d3;
+	return qla2x00_post_work(ha, e, 1);
+}
+
+static void
+qla2x00_do_work(struct scsi_qla_host *ha)
+{
+	struct qla_work_evt *e;
+
+	spin_lock_irq(&ha->hardware_lock);
+	while (!list_empty(&ha->work_list)) {
+		e = list_entry(ha->work_list.next, struct qla_work_evt, list);
+		list_del_init(&e->list);
+		spin_unlock_irq(&ha->hardware_lock);
+
+		switch (e->type) {
+		case QLA_EVT_AEN:
+			fc_host_post_event(ha->host, fc_get_event_number(),
+			    e->u.aen.code, e->u.aen.data);
+			break;
+		case QLA_EVT_HWE_LOG:
+			qla2xxx_hw_event_log(ha, e->u.hwe.code, e->u.hwe.d1,
+			    e->u.hwe.d2, e->u.hwe.d3);
+			break;
+		}
+		if (e->flags & QLA_EVT_FLAG_FREE)
+			kfree(e);
+		spin_lock_irq(&ha->hardware_lock);
+	}
+	spin_unlock_irq(&ha->hardware_lock);
+}
+
 /**************************************************************************
 * qla2x00_do_dpc
 *   This kernel thread is a task that is schedule by the interrupt handler
@@ -2257,6 +2277,8 @@ qla2x00_do_dpc(void *data)
 			continue;
 		}
 
+		qla2x00_do_work(ha);
+
 		if (test_and_clear_bit(ISP_ABORT_NEEDED, &ha->dpc_flags)) {
 
 			DEBUG(printk("scsi(%ld): dpc: sched "
@@ -2291,12 +2313,6 @@ qla2x00_do_dpc(void *data)
 		if (test_and_clear_bit(FCPORT_UPDATE_NEEDED, &ha->dpc_flags))
 			qla2x00_update_fcports(ha);
 
-		if (test_and_clear_bit(LOOP_RESET_NEEDED, &ha->dpc_flags)) {
-			DEBUG(printk("scsi(%ld): dpc: sched loop_reset()\n",
-			    ha->host_no));
-			qla2x00_loop_reset(ha);
-		}
-
 		if (test_and_clear_bit(RESET_MARKER_NEEDED, &ha->dpc_flags) &&
 		    (!(test_and_set_bit(RESET_ACTIVE, &ha->dpc_flags)))) {
 
@@ -2367,19 +2383,6 @@ qla2x00_do_dpc(void *data)
 			    ha->host_no));
 		}
 
-		if ((test_bit(LOGIN_RETRY_NEEDED, &ha->dpc_flags)) &&
-		    atomic_read(&ha->loop_state) != LOOP_DOWN) {
-
-			clear_bit(LOGIN_RETRY_NEEDED, &ha->dpc_flags);
-			DEBUG(printk("scsi(%ld): qla2x00_login_retry()\n",
-			    ha->host_no));
-
-			set_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags);
-
-			DEBUG(printk("scsi(%ld): qla2x00_login_retry - end\n",
-			    ha->host_no));
-		}
-
 		if (test_and_clear_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags)) {
 
 			DEBUG(printk("scsi(%ld): qla2x00_loop_resync()\n",
@@ -2397,18 +2400,6 @@ qla2x00_do_dpc(void *data)
 			    ha->host_no));
 		}
 
-		if (test_and_clear_bit(FCPORT_RESCAN_NEEDED, &ha->dpc_flags)) {
-
-			DEBUG(printk("scsi(%ld): Rescan flagged fcports...\n",
-			    ha->host_no));
-
-			qla2x00_rescan_fcports(ha);
-
-			DEBUG(printk("scsi(%ld): Rescan flagged fcports..."
-			    "end.\n",
-			    ha->host_no));
-		}
-
 		if (!ha->interrupts_on)
 			ha->isp_ops->enable_intrs(ha);
 
@@ -2586,7 +2577,8 @@ qla2x00_timer(scsi_qla_host_t *ha)
 			set_bit(RESTART_QUEUES_NEEDED, &ha->dpc_flags);
 			start_dpc++;
 
-			if (!(ha->device_flags & DFLG_NO_CABLE)) {
+			if (!(ha->device_flags & DFLG_NO_CABLE) &&
+			    !ha->parent) {
 				DEBUG(printk("scsi(%ld): Loop down - "
 				    "aborting ISP.\n",
 				    ha->host_no));
@@ -2610,10 +2602,8 @@ qla2x00_timer(scsi_qla_host_t *ha)
 	/* Schedule the DPC routine if needed */
 	if ((test_bit(ISP_ABORT_NEEDED, &ha->dpc_flags) ||
 	    test_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags) ||
-	    test_bit(LOOP_RESET_NEEDED, &ha->dpc_flags) ||
 	    test_bit(FCPORT_UPDATE_NEEDED, &ha->dpc_flags) ||
 	    start_dpc ||
-	    test_bit(LOGIN_RETRY_NEEDED, &ha->dpc_flags) ||
 	    test_bit(RESET_MARKER_NEEDED, &ha->dpc_flags) ||
 	    test_bit(BEACON_BLINK_NEEDED, &ha->dpc_flags) ||
 	    test_bit(VP_DPC_NEEDED, &ha->dpc_flags) ||
@@ -2665,7 +2655,7 @@ qla2x00_request_firmware(scsi_qla_host_t *ha)
 		blob = &qla_fw_blobs[FW_ISP2300];
 	} else if (IS_QLA2322(ha) || IS_QLA6322(ha)) {
 		blob = &qla_fw_blobs[FW_ISP2322];
-	} else if (IS_QLA24XX(ha) || IS_QLA54XX(ha)) {
+	} else if (IS_QLA24XX_TYPE(ha)) {
 		blob = &qla_fw_blobs[FW_ISP24XX];
 	} else if (IS_QLA25XX(ha)) {
 		blob = &qla_fw_blobs[FW_ISP25XX];
@@ -2815,6 +2805,7 @@ static struct pci_device_id qla2xxx_pci_tbl[] = {
 	{ PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP6322) },
 	{ PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2422) },
 	{ PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2432) },
+	{ PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP8432) },
 	{ PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP5422) },
 	{ PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP5432) },
 	{ PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2532) },
diff --git a/drivers/scsi/qla2xxx/qla_settings.h b/drivers/scsi/qla2xxx/qla_settings.h
index 249e4d90fdc5..2801c2664b40 100644
--- a/drivers/scsi/qla2xxx/qla_settings.h
+++ b/drivers/scsi/qla2xxx/qla_settings.h
@@ -1,26 +1,12 @@
 /*
  * QLogic Fibre Channel HBA Driver
- * Copyright (c)  2003-2005 QLogic Corporation
+ * Copyright (c)  2003-2008 QLogic Corporation
  *
  * See LICENSE.qla2xxx for copyright and licensing details.
  */
-/*
- * Compile time Options:
- *     0 - Disable and 1 - Enable
- */
-#define DEBUG_QLA2100		0	/* For Debug of qla2x00 */
-
-#define USE_ABORT_TGT		1	/* Use Abort Target mbx cmd */
-
 #define MAX_RETRIES_OF_ISP_ABORT	5
 
 /* Max time to wait for the loop to be in LOOP_READY state */
 #define MAX_LOOP_TIMEOUT	(60 * 5)
 
-/*
- * Some vendor subsystems do not recover properly after a device reset.  Define
- * the following to force a logout after a successful device reset.
- */
-#undef LOGOUT_AFTER_DEVICE_RESET
-
 #include "qla_version.h"
diff --git a/drivers/scsi/qla2xxx/qla_sup.c b/drivers/scsi/qla2xxx/qla_sup.c
index 26822c8807ee..1728ab3ccb20 100644
--- a/drivers/scsi/qla2xxx/qla_sup.c
+++ b/drivers/scsi/qla2xxx/qla_sup.c
@@ -1,6 +1,6 @@
 /*
  * QLogic Fibre Channel HBA Driver
- * Copyright (c)  2003-2005 QLogic Corporation
+ * Copyright (c)  2003-2008 QLogic Corporation
  *
  * See LICENSE.qla2xxx for copyright and licensing details.
  */
@@ -543,79 +543,174 @@ qla24xx_get_flash_manufacturer(scsi_qla_host_t *ha, uint8_t *man_id,
 	}
 }
 
-static int
-qla24xx_write_flash_data(scsi_qla_host_t *ha, uint32_t *dwptr, uint32_t faddr,
-    uint32_t dwords)
+void
+qla2xxx_get_flash_info(scsi_qla_host_t *ha)
 {
-	int ret;
-	uint32_t liter, miter;
-	uint32_t sec_mask, rest_addr, conf_addr;
-	uint32_t fdata, findex, cnt;
+#define FLASH_BLK_SIZE_32K	0x8000
+#define FLASH_BLK_SIZE_64K	0x10000
+	uint16_t cnt, chksum;
+	uint16_t *wptr;
+	struct qla_fdt_layout *fdt;
 	uint8_t	man_id, flash_id;
-	struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
-	dma_addr_t optrom_dma;
-	void *optrom = NULL;
-	uint32_t *s, *d;
 
-	ret = QLA_SUCCESS;
+	if (!IS_QLA24XX_TYPE(ha) && !IS_QLA25XX(ha))
+		return;
 
-	/* Prepare burst-capable write on supported ISPs. */
-	if (IS_QLA25XX(ha) && !(faddr & 0xfff) &&
-	    dwords > OPTROM_BURST_DWORDS) {
-		optrom = dma_alloc_coherent(&ha->pdev->dev, OPTROM_BURST_SIZE,
-		    &optrom_dma, GFP_KERNEL);
-		if (!optrom) {
-			qla_printk(KERN_DEBUG, ha,
-			    "Unable to allocate memory for optrom burst write "
-			    "(%x KB).\n", OPTROM_BURST_SIZE / 1024);
-		}
+	wptr = (uint16_t *)ha->request_ring;
+	fdt = (struct qla_fdt_layout *)ha->request_ring;
+	ha->isp_ops->read_optrom(ha, (uint8_t *)ha->request_ring,
+	    FA_FLASH_DESCR_ADDR << 2, OPTROM_BURST_SIZE);
+	if (*wptr == __constant_cpu_to_le16(0xffff))
+		goto no_flash_data;
+	if (fdt->sig[0] != 'Q' || fdt->sig[1] != 'L' || fdt->sig[2] != 'I' ||
+	    fdt->sig[3] != 'D')
+		goto no_flash_data;
+
+	for (cnt = 0, chksum = 0; cnt < sizeof(struct qla_fdt_layout) >> 1;
+	    cnt++)
+		chksum += le16_to_cpu(*wptr++);
+	if (chksum) {
+		DEBUG2(qla_printk(KERN_INFO, ha, "Inconsistent FDT detected: "
+		    "checksum=0x%x id=%c version=0x%x.\n", chksum, fdt->sig[0],
+		    le16_to_cpu(fdt->version)));
+		DEBUG9(qla2x00_dump_buffer((uint8_t *)fdt, sizeof(*fdt)));
+		goto no_flash_data;
 	}
 
-	qla24xx_get_flash_manufacturer(ha, &man_id, &flash_id);
-	DEBUG9(printk("%s(%ld): Flash man_id=%d flash_id=%d\n", __func__,
-	    ha->host_no, man_id, flash_id));
+	ha->fdt_odd_index = le16_to_cpu(fdt->man_id) == 0x1f;
+	ha->fdt_wrt_disable = fdt->wrt_disable_bits;
+	ha->fdt_erase_cmd = flash_conf_to_access_addr(0x0300 | fdt->erase_cmd);
+	ha->fdt_block_size = le32_to_cpu(fdt->block_size);
+	if (fdt->unprotect_sec_cmd) {
+		ha->fdt_unprotect_sec_cmd = flash_conf_to_access_addr(0x0300 |
+		    fdt->unprotect_sec_cmd);
+		ha->fdt_protect_sec_cmd = fdt->protect_sec_cmd ?
+		    flash_conf_to_access_addr(0x0300 | fdt->protect_sec_cmd):
+		    flash_conf_to_access_addr(0x0336);
+	}
 
-	conf_addr = flash_conf_to_access_addr(0x03d8);
+	DEBUG2(qla_printk(KERN_DEBUG, ha, "Flash[FDT]: (0x%x/0x%x) erase=0x%x "
+	    "pro=%x upro=%x idx=%d wrtd=0x%x blk=0x%x.\n",
+	    le16_to_cpu(fdt->man_id), le16_to_cpu(fdt->id), ha->fdt_erase_cmd,
+	    ha->fdt_protect_sec_cmd, ha->fdt_unprotect_sec_cmd,
+	    ha->fdt_odd_index, ha->fdt_wrt_disable, ha->fdt_block_size));
+	return;
+
+no_flash_data:
+	qla24xx_get_flash_manufacturer(ha, &man_id, &flash_id);
+	ha->fdt_wrt_disable = 0x9c;
+	ha->fdt_erase_cmd = flash_conf_to_access_addr(0x03d8);
 	switch (man_id) {
 	case 0xbf: /* STT flash. */
-		if (flash_id == 0x8e) {
-			rest_addr = 0x3fff;
-			sec_mask = 0x7c000;
-		} else {
-			rest_addr = 0x1fff;
-			sec_mask = 0x7e000;
-		}
+		if (flash_id == 0x8e)
+			ha->fdt_block_size = FLASH_BLK_SIZE_64K;
+		else
+			ha->fdt_block_size = FLASH_BLK_SIZE_32K;
+
 		if (flash_id == 0x80)
-			conf_addr = flash_conf_to_access_addr(0x0352);
+			ha->fdt_erase_cmd = flash_conf_to_access_addr(0x0352);
 		break;
 	case 0x13: /* ST M25P80. */
-		rest_addr = 0x3fff;
-		sec_mask = 0x7c000;
+		ha->fdt_block_size = FLASH_BLK_SIZE_64K;
 		break;
-	case 0x1f: // Atmel 26DF081A
-		rest_addr = 0x3fff;
-		sec_mask = 0x7c000;
-		conf_addr = flash_conf_to_access_addr(0x0320);
+	case 0x1f: /* Atmel 26DF081A. */
+		ha->fdt_odd_index = 1;
+		ha->fdt_block_size = FLASH_BLK_SIZE_64K;
+		ha->fdt_erase_cmd = flash_conf_to_access_addr(0x0320);
+		ha->fdt_unprotect_sec_cmd = flash_conf_to_access_addr(0x0339);
+		ha->fdt_protect_sec_cmd = flash_conf_to_access_addr(0x0336);
 		break;
 	default:
 		/* Default to 64 kb sector size. */
-		rest_addr = 0x3fff;
-		sec_mask = 0x7c000;
+		ha->fdt_block_size = FLASH_BLK_SIZE_64K;
 		break;
 	}
 
+	DEBUG2(qla_printk(KERN_DEBUG, ha, "Flash[MID]: (0x%x/0x%x) erase=0x%x "
+	    "pro=%x upro=%x idx=%d wrtd=0x%x blk=0x%x.\n", man_id, flash_id,
+	    ha->fdt_erase_cmd, ha->fdt_protect_sec_cmd,
+	    ha->fdt_unprotect_sec_cmd, ha->fdt_odd_index, ha->fdt_wrt_disable,
+	    ha->fdt_block_size));
+}
+
+static void
+qla24xx_unprotect_flash(scsi_qla_host_t *ha)
+{
+	struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
+
 	/* Enable flash write. */
 	WRT_REG_DWORD(&reg->ctrl_status,
 	    RD_REG_DWORD(&reg->ctrl_status) | CSRX_FLASH_ENABLE);
 	RD_REG_DWORD(&reg->ctrl_status);	/* PCI Posting. */
 
+	if (!ha->fdt_wrt_disable)
+		return;
+
 	/* Disable flash write-protection. */
 	qla24xx_write_flash_dword(ha, flash_conf_to_access_addr(0x101), 0);
 	/* Some flash parts need an additional zero-write to clear bits.*/
 	qla24xx_write_flash_dword(ha, flash_conf_to_access_addr(0x101), 0);
+}
+
+static void
+qla24xx_protect_flash(scsi_qla_host_t *ha)
+{
+	uint32_t cnt;
+	struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
+
+	if (!ha->fdt_wrt_disable)
+		goto skip_wrt_protect;
+
+	/* Enable flash write-protection and wait for completion. */
+	qla24xx_write_flash_dword(ha, flash_conf_to_access_addr(0x101),
+	    ha->fdt_wrt_disable);
+	for (cnt = 300; cnt &&
+	    qla24xx_read_flash_dword(ha,
+		    flash_conf_to_access_addr(0x005)) & BIT_0;
+	    cnt--) {
+		udelay(10);
+	}
+
+skip_wrt_protect:
+	/* Disable flash write. */
+	WRT_REG_DWORD(&reg->ctrl_status,
+	    RD_REG_DWORD(&reg->ctrl_status) & ~CSRX_FLASH_ENABLE);
+	RD_REG_DWORD(&reg->ctrl_status);	/* PCI Posting. */
+}
+
+static int
+qla24xx_write_flash_data(scsi_qla_host_t *ha, uint32_t *dwptr, uint32_t faddr,
+    uint32_t dwords)
+{
+	int ret;
+	uint32_t liter, miter;
+	uint32_t sec_mask, rest_addr;
+	uint32_t fdata, findex;
+	dma_addr_t optrom_dma;
+	void *optrom = NULL;
+	uint32_t *s, *d;
+
+	ret = QLA_SUCCESS;
+
+	/* Prepare burst-capable write on supported ISPs. */
+	if (IS_QLA25XX(ha) && !(faddr & 0xfff) &&
+	    dwords > OPTROM_BURST_DWORDS) {
+		optrom = dma_alloc_coherent(&ha->pdev->dev, OPTROM_BURST_SIZE,
+		    &optrom_dma, GFP_KERNEL);
+		if (!optrom) {
+			qla_printk(KERN_DEBUG, ha,
+			    "Unable to allocate memory for optrom burst write "
+			    "(%x KB).\n", OPTROM_BURST_SIZE / 1024);
+		}
+	}
+
+	rest_addr = (ha->fdt_block_size >> 2) - 1;
+	sec_mask = 0x80000 - (ha->fdt_block_size >> 2);
+
+	qla24xx_unprotect_flash(ha);
 
 	for (liter = 0; liter < dwords; liter++, faddr++, dwptr++) {
-		if (man_id == 0x1f) {
+		if (ha->fdt_odd_index) {
 			findex = faddr << 2;
 			fdata = findex & sec_mask;
 		} else {
@@ -625,13 +720,13 @@ qla24xx_write_flash_data(scsi_qla_host_t *ha, uint32_t *dwptr, uint32_t faddr,
 
 		/* Are we at the beginning of a sector? */
 		if ((findex & rest_addr) == 0) {
-			/* Do sector unprotect at 4K boundry for Atmel part. */
-			if (man_id == 0x1f)
+			/* Do sector unprotect. */
+			if (ha->fdt_unprotect_sec_cmd)
 				qla24xx_write_flash_dword(ha,
-				    flash_conf_to_access_addr(0x0339),
+				    ha->fdt_unprotect_sec_cmd,
 				    (fdata & 0xff00) | ((fdata << 16) &
 				    0xff0000) | ((fdata >> 16) & 0xff));
-			ret = qla24xx_write_flash_dword(ha, conf_addr,
+			ret = qla24xx_write_flash_dword(ha, ha->fdt_erase_cmd,
 			    (fdata & 0xff00) |((fdata << 16) &
 			    0xff0000) | ((fdata >> 16) & 0xff));
 			if (ret != QLA_SUCCESS) {
@@ -681,28 +776,16 @@ qla24xx_write_flash_data(scsi_qla_host_t *ha, uint32_t *dwptr, uint32_t faddr,
 			break;
 		}
 
-		/* Do sector protect at 4K boundry for Atmel part. */
-		if (man_id == 0x1f &&
+		/* Do sector protect. */
+		if (ha->fdt_unprotect_sec_cmd &&
 		    ((faddr & rest_addr) == rest_addr))
 			qla24xx_write_flash_dword(ha,
-			    flash_conf_to_access_addr(0x0336),
+			    ha->fdt_protect_sec_cmd,
 			    (fdata & 0xff00) | ((fdata << 16) &
 			    0xff0000) | ((fdata >> 16) & 0xff));
 	}
 
-	/* Enable flash write-protection and wait for completion. */
-	qla24xx_write_flash_dword(ha, flash_conf_to_access_addr(0x101), 0x9c);
-	for (cnt = 300; cnt &&
-	    qla24xx_read_flash_dword(ha,
-		    flash_conf_to_access_addr(0x005)) & BIT_0;
-	    cnt--) {
-		udelay(10);
-	}
-
-	/* Disable flash write. */
-	WRT_REG_DWORD(&reg->ctrl_status,
-	    RD_REG_DWORD(&reg->ctrl_status) & ~CSRX_FLASH_ENABLE);
-	RD_REG_DWORD(&reg->ctrl_status);	/* PCI Posting. */
+	qla24xx_protect_flash(ha);
 
 	if (optrom)
 		dma_free_coherent(&ha->pdev->dev,
@@ -2221,3 +2304,107 @@ qla24xx_get_flash_version(scsi_qla_host_t *ha, void *mbuf)
 
 	return ret;
 }
+
+static int
+qla2xxx_hw_event_store(scsi_qla_host_t *ha, uint32_t *fdata)
+{
+	uint32_t d[2], faddr;
+
+	/* Locate first empty entry. */
+	for (;;) {
+		if (ha->hw_event_ptr >=
+		    ha->hw_event_start + FA_HW_EVENT_SIZE) {
+			DEBUG2(qla_printk(KERN_WARNING, ha,
+			    "HW event -- Log Full!\n"));
+			return QLA_MEMORY_ALLOC_FAILED;
+		}
+
+		qla24xx_read_flash_data(ha, d, ha->hw_event_ptr, 2);
+		faddr = flash_data_to_access_addr(ha->hw_event_ptr);
+		ha->hw_event_ptr += FA_HW_EVENT_ENTRY_SIZE;
+		if (d[0] == __constant_cpu_to_le32(0xffffffff) &&
+		    d[1] == __constant_cpu_to_le32(0xffffffff)) {
+			qla24xx_unprotect_flash(ha);
+
+			qla24xx_write_flash_dword(ha, faddr++,
+			    cpu_to_le32(jiffies));
+			qla24xx_write_flash_dword(ha, faddr++, 0);
+			qla24xx_write_flash_dword(ha, faddr++, *fdata++);
+			qla24xx_write_flash_dword(ha, faddr++, *fdata);
+
+			qla24xx_protect_flash(ha);
+			break;
+		}
+	}
+	return QLA_SUCCESS;
+}
+
+int
+qla2xxx_hw_event_log(scsi_qla_host_t *ha, uint16_t code, uint16_t d1,
+    uint16_t d2, uint16_t d3)
+{
+#define QMARK(a, b, c, d) \
+    cpu_to_le32(LSB(a) << 24 | LSB(b) << 16 | LSB(c) << 8 | LSB(d))
+
+	int rval;
+	uint32_t marker[2], fdata[4];
+
+	if (ha->hw_event_start == 0)
+		return QLA_FUNCTION_FAILED;
+
+	DEBUG2(qla_printk(KERN_WARNING, ha,
+	    "HW event -- code=%x, d1=%x, d2=%x, d3=%x.\n", code, d1, d2, d3));
+
+	/* If marker not already found, locate or write.  */
+	if (!ha->flags.hw_event_marker_found) {
+		/* Create marker. */
+		marker[0] = QMARK('L', ha->fw_major_version,
+		    ha->fw_minor_version, ha->fw_subminor_version);
+		marker[1] = QMARK(QLA_DRIVER_MAJOR_VER, QLA_DRIVER_MINOR_VER,
+		    QLA_DRIVER_PATCH_VER, QLA_DRIVER_BETA_VER);
+
+		/* Locate marker. */
+		ha->hw_event_ptr = ha->hw_event_start;
+		for (;;) {
+			qla24xx_read_flash_data(ha, fdata, ha->hw_event_ptr,
+			    4);
+			if (fdata[0] == __constant_cpu_to_le32(0xffffffff) &&
+			    fdata[1] == __constant_cpu_to_le32(0xffffffff))
+				break;
+			ha->hw_event_ptr += FA_HW_EVENT_ENTRY_SIZE;
+			if (ha->hw_event_ptr >=
+			    ha->hw_event_start + FA_HW_EVENT_SIZE) {
+				DEBUG2(qla_printk(KERN_WARNING, ha,
+				    "HW event -- Log Full!\n"));
+				return QLA_MEMORY_ALLOC_FAILED;
+			}
+			if (fdata[2] == marker[0] && fdata[3] == marker[1]) {
+				ha->flags.hw_event_marker_found = 1;
+				break;
+			}
+		}
+		/* No marker, write it. */
+		if (!ha->flags.hw_event_marker_found) {
+			rval = qla2xxx_hw_event_store(ha, marker);
+			if (rval != QLA_SUCCESS) {
+				DEBUG2(qla_printk(KERN_WARNING, ha,
+				    "HW event -- Failed marker write=%x.!\n",
+				    rval));
+				return rval;
+			}
+			ha->flags.hw_event_marker_found = 1;
+		}
+	}
+
+	/* Store error.  */
+	fdata[0] = cpu_to_le32(code << 16 | d1);
+	fdata[1] = cpu_to_le32(d2 << 16 | d3);
+	rval = qla2xxx_hw_event_store(ha, fdata);
+	if (rval != QLA_SUCCESS) {
+		DEBUG2(qla_printk(KERN_WARNING, ha,
+		    "HW event -- Failed error write=%x.!\n",
+		    rval));
+	}
+
+	return rval;
+}
diff --git a/drivers/scsi/qla2xxx/qla_version.h b/drivers/scsi/qla2xxx/qla_version.h
index ea08a129fee9..f42f17acf2cf 100644
--- a/drivers/scsi/qla2xxx/qla_version.h
+++ b/drivers/scsi/qla2xxx/qla_version.h
@@ -1,15 +1,15 @@
 /*
  * QLogic Fibre Channel HBA Driver
- * Copyright (c)  2003-2005 QLogic Corporation
+ * Copyright (c)  2003-2008 QLogic Corporation
  *
  * See LICENSE.qla2xxx for copyright and licensing details.
  */
 /*
  * Driver version
  */
-#define QLA2XXX_VERSION      "8.02.00-k9"
+#define QLA2XXX_VERSION      "8.02.01-k1"
 
 #define QLA_DRIVER_MAJOR_VER	8
 #define QLA_DRIVER_MINOR_VER	2
-#define QLA_DRIVER_PATCH_VER	0
+#define QLA_DRIVER_PATCH_VER	1
 #define QLA_DRIVER_BETA_VER	0
diff --git a/drivers/scsi/qla4xxx/ql4_fw.h b/drivers/scsi/qla4xxx/ql4_fw.h
index fe415ec85655..1b667a70cffa 100644
--- a/drivers/scsi/qla4xxx/ql4_fw.h
+++ b/drivers/scsi/qla4xxx/ql4_fw.h
@@ -216,6 +216,7 @@ union external_hw_config_reg {
 #define MBOX_CMD_ABOUT_FW			0x0009
 #define MBOX_CMD_PING				0x000B
 #define MBOX_CMD_LUN_RESET			0x0016
+#define MBOX_CMD_TARGET_WARM_RESET		0x0017
 #define MBOX_CMD_GET_MANAGEMENT_DATA		0x001E
 #define MBOX_CMD_GET_FW_STATUS			0x001F
 #define MBOX_CMD_SET_ISNS_SERVICE		0x0021
@@ -677,7 +678,8 @@ struct qla4_marker_entry {
 	uint32_t system_defined; /* 04-07 */
 	uint16_t target;	/* 08-09 */
 	uint16_t modifier;	/* 0A-0B */
-#define MM_LUN_RESET	     0
+#define MM_LUN_RESET		0
+#define MM_TGT_WARM_RESET	1
 
 	uint16_t flags;		/* 0C-0D */
 	uint16_t reserved1;	/* 0E-0F */
diff --git a/drivers/scsi/qla4xxx/ql4_glbl.h b/drivers/scsi/qla4xxx/ql4_glbl.h
index a3608e028bf6..96ebfb021f6c 100644
--- a/drivers/scsi/qla4xxx/ql4_glbl.h
+++ b/drivers/scsi/qla4xxx/ql4_glbl.h
@@ -27,6 +27,8 @@ int qla4xxx_relogin_device(struct scsi_qla_host * ha,
 			   struct ddb_entry * ddb_entry);
 int qla4xxx_reset_lun(struct scsi_qla_host * ha, struct ddb_entry * ddb_entry,
 		      int lun);
+int qla4xxx_reset_target(struct scsi_qla_host * ha,
+			 struct ddb_entry * ddb_entry);
 int qla4xxx_get_flash(struct scsi_qla_host * ha, dma_addr_t dma_addr,
 		      uint32_t offset, uint32_t len);
 int qla4xxx_get_firmware_status(struct scsi_qla_host * ha);
@@ -68,6 +70,8 @@ int qla4xxx_reinitialize_ddb_list(struct scsi_qla_host * ha);
 int qla4xxx_process_ddb_changed(struct scsi_qla_host * ha,
 				uint32_t fw_ddb_index, uint32_t state);
 void qla4xxx_dump_buffer(void *b, uint32_t size);
+int qla4xxx_send_marker_iocb(struct scsi_qla_host *ha,
+	struct ddb_entry *ddb_entry, int lun, uint16_t mrkr_mod);
 
 extern int ql4xextended_error_logging;
 extern int ql4xdiscoverywait;
diff --git a/drivers/scsi/qla4xxx/ql4_iocb.c b/drivers/scsi/qla4xxx/ql4_iocb.c
index e4461b5d767a..912a67494adf 100644
--- a/drivers/scsi/qla4xxx/ql4_iocb.c
+++ b/drivers/scsi/qla4xxx/ql4_iocb.c
@@ -66,8 +66,8 @@ static int qla4xxx_get_req_pkt(struct scsi_qla_host *ha,
  *
  * This routine issues a marker IOCB.
  **/
-static int qla4xxx_send_marker_iocb(struct scsi_qla_host *ha,
-				    struct ddb_entry *ddb_entry, int lun)
+int qla4xxx_send_marker_iocb(struct scsi_qla_host *ha,
+	struct ddb_entry *ddb_entry, int lun, uint16_t mrkr_mod)
 {
 	struct qla4_marker_entry *marker_entry;
 	unsigned long flags = 0;
@@ -87,7 +87,7 @@ static int qla4xxx_send_marker_iocb(struct scsi_qla_host *ha,
 	marker_entry->hdr.entryType = ET_MARKER;
 	marker_entry->hdr.entryCount = 1;
 	marker_entry->target = cpu_to_le16(ddb_entry->fw_ddb_index);
-	marker_entry->modifier = cpu_to_le16(MM_LUN_RESET);
+	marker_entry->modifier = cpu_to_le16(mrkr_mod);
 	int_to_scsilun(lun, &marker_entry->lun);
 	wmb();
 
@@ -210,14 +210,6 @@ int qla4xxx_send_command_to_isp(struct scsi_qla_host *ha, struct srb * srb)
 	/* Get real lun and adapter */
 	ddb_entry = srb->ddb;
 
-	/* Send marker(s) if needed. */
-	if (ha->marker_needed == 1) {
-		if (qla4xxx_send_marker_iocb(ha, ddb_entry,
-					     cmd->device->lun) != QLA_SUCCESS)
-			return QLA_ERROR;
-
-		ha->marker_needed = 0;
-	}
 	tot_dsds = 0;
 
 	/* Acquire hardware specific lock */
diff --git a/drivers/scsi/qla4xxx/ql4_isr.c b/drivers/scsi/qla4xxx/ql4_isr.c
index fc84db4069f4..a91a57c57bff 100644
--- a/drivers/scsi/qla4xxx/ql4_isr.c
+++ b/drivers/scsi/qla4xxx/ql4_isr.c
@@ -11,28 +11,6 @@
 #include "ql4_inline.h"
 
 /**
- * qla2x00_process_completed_request() - Process a Fast Post response.
- * @ha: SCSI driver HA context
- * @index: SRB index
- **/
-static void qla4xxx_process_completed_request(struct scsi_qla_host *ha,
-					      uint32_t index)
-{
-	struct srb *srb;
-
-	srb = qla4xxx_del_from_active_array(ha, index);
-	if (srb) {
-		/* Save ISP completion status */
-		srb->cmd->result = DID_OK << 16;
-		qla4xxx_srb_compl(ha, srb);
-	} else {
-		DEBUG2(printk("scsi%ld: Invalid ISP SCSI completion handle = "
-			      "%d\n", ha->host_no, index));
-		set_bit(DPC_RESET_HA, &ha->dpc_flags);
-	}
-}
-
-/**
  * qla4xxx_status_entry - processes status IOCBs
  * @ha: Pointer to host adapter structure.
  * @sts_entry: Pointer to status entry structure.
@@ -47,14 +25,6 @@ static void qla4xxx_status_entry(struct scsi_qla_host *ha,
 	uint32_t residual;
 	uint16_t sensebytecnt;
 
-	if (sts_entry->completionStatus == SCS_COMPLETE &&
-	    sts_entry->scsiStatus == 0) {
-		qla4xxx_process_completed_request(ha,
-						  le32_to_cpu(sts_entry->
-							      handle));
-		return;
-	}
-
 	srb = qla4xxx_del_from_active_array(ha, le32_to_cpu(sts_entry->handle));
 	if (!srb) {
 		/* FIXMEdg: Don't we need to reset ISP in this case??? */
@@ -62,6 +32,9 @@ static void qla4xxx_status_entry(struct scsi_qla_host *ha,
 			      "handle 0x%x, sp=%p. This cmd may have already "
 			      "been completed.\n", ha->host_no, __func__,
 			      le32_to_cpu(sts_entry->handle), srb));
+		dev_warn(&ha->pdev->dev, "%s invalid status entry:"
+			" handle=0x%0x\n", __func__, sts_entry->handle);
+		set_bit(DPC_RESET_HA, &ha->dpc_flags);
 		return;
 	}
 
@@ -88,10 +61,6 @@ static void qla4xxx_status_entry(struct scsi_qla_host *ha,
 	scsi_status = sts_entry->scsiStatus;
 	switch (sts_entry->completionStatus) {
 	case SCS_COMPLETE:
-		if (scsi_status == 0) {
-			cmd->result = DID_OK << 16;
-			break;
-		}
 
 		if (sts_entry->iscsiFlags & ISCSI_FLAG_RESIDUAL_OVER) {
 			cmd->result = DID_ERROR << 16;
@@ -100,7 +69,8 @@ static void qla4xxx_status_entry(struct scsi_qla_host *ha,
 
 		if (sts_entry->iscsiFlags &ISCSI_FLAG_RESIDUAL_UNDER) {
 			scsi_set_resid(cmd, residual);
-			if ((scsi_bufflen(cmd) - residual) < cmd->underflow) {
+			if (!scsi_status && ((scsi_bufflen(cmd) - residual) <
+				cmd->underflow)) {
 
 				cmd->result = DID_ERROR << 16;
 
diff --git a/drivers/scsi/qla4xxx/ql4_mbx.c b/drivers/scsi/qla4xxx/ql4_mbx.c
index 35cd73c72a68..c577d79bd7e8 100644
--- a/drivers/scsi/qla4xxx/ql4_mbx.c
+++ b/drivers/scsi/qla4xxx/ql4_mbx.c
@@ -713,6 +713,45 @@ int qla4xxx_reset_lun(struct scsi_qla_host * ha, struct ddb_entry * ddb_entry,
 	return status;
 }
 
+/**
+ * qla4xxx_reset_target - issues target Reset
+ * @ha: Pointer to host adapter structure.
+ * @db_entry: Pointer to device database entry
+ * @un_entry: Pointer to lun entry structure
+ *
+ * This routine performs a TARGET RESET on the specified target.
+ * The caller must ensure that the ddb_entry pointers
+ * are valid before calling this routine.
+ **/
+int qla4xxx_reset_target(struct scsi_qla_host *ha,
+			 struct ddb_entry *ddb_entry)
+{
+	uint32_t mbox_cmd[MBOX_REG_COUNT];
+	uint32_t mbox_sts[MBOX_REG_COUNT];
+	int status = QLA_SUCCESS;
+
+	DEBUG2(printk("scsi%ld:%d: target reset issued\n", ha->host_no,
+		      ddb_entry->os_target_id));
+
+	/*
+	 * Send target reset command to ISP, so that the ISP will return all
+	 * outstanding requests with RESET status
+	 */
+	memset(&mbox_cmd, 0, sizeof(mbox_cmd));
+	memset(&mbox_sts, 0, sizeof(mbox_sts));
+
+	mbox_cmd[0] = MBOX_CMD_TARGET_WARM_RESET;
+	mbox_cmd[1] = ddb_entry->fw_ddb_index;
+	mbox_cmd[5] = 0x01;	/* Immediate Command Enable */
+
+	qla4xxx_mailbox_command(ha, MBOX_REG_COUNT, 1, &mbox_cmd[0],
+				&mbox_sts[0]);
+	if (mbox_sts[0] != MBOX_STS_COMMAND_COMPLETE &&
+	    mbox_sts[0] != MBOX_STS_COMMAND_ERROR)
+		status = QLA_ERROR;
+
+	return status;
+}
 
 int qla4xxx_get_flash(struct scsi_qla_host * ha, dma_addr_t dma_addr,
 		      uint32_t offset, uint32_t len)
diff --git a/drivers/scsi/qla4xxx/ql4_os.c b/drivers/scsi/qla4xxx/ql4_os.c
index 8b92f348f02c..0c786944d2c2 100644
--- a/drivers/scsi/qla4xxx/ql4_os.c
+++ b/drivers/scsi/qla4xxx/ql4_os.c
@@ -71,6 +71,7 @@ static void qla4xxx_recovery_timedout(struct iscsi_cls_session *session);
 static int qla4xxx_queuecommand(struct scsi_cmnd *cmd,
 				void (*done) (struct scsi_cmnd *));
 static int qla4xxx_eh_device_reset(struct scsi_cmnd *cmd);
+static int qla4xxx_eh_target_reset(struct scsi_cmnd *cmd);
 static int qla4xxx_eh_host_reset(struct scsi_cmnd *cmd);
 static int qla4xxx_slave_alloc(struct scsi_device *device);
 static int qla4xxx_slave_configure(struct scsi_device *device);
@@ -84,6 +85,7 @@ static struct scsi_host_template qla4xxx_driver_template = {
 	.queuecommand		= qla4xxx_queuecommand,
 
 	.eh_device_reset_handler = qla4xxx_eh_device_reset,
+	.eh_target_reset_handler = qla4xxx_eh_target_reset,
 	.eh_host_reset_handler	= qla4xxx_eh_host_reset,
 
 	.slave_configure	= qla4xxx_slave_configure,
@@ -1482,7 +1484,7 @@ static int qla4xxx_wait_for_hba_online(struct scsi_qla_host *ha)
 }
 
 /**
- * qla4xxx_eh_wait_for_active_target_commands - wait for active cmds to finish.
+ * qla4xxx_eh_wait_for_commands - wait for active cmds to finish.
  * @ha: pointer to to HBA
  * @t: target id
  * @l: lun id
@@ -1490,20 +1492,22 @@ static int qla4xxx_wait_for_hba_online(struct scsi_qla_host *ha)
  * This function waits for all outstanding commands to a lun to complete. It
  * returns 0 if all pending commands are returned and 1 otherwise.
  **/
-static int qla4xxx_eh_wait_for_active_target_commands(struct scsi_qla_host *ha,
-						 int t, int l)
+static int qla4xxx_eh_wait_for_commands(struct scsi_qla_host *ha,
+					struct scsi_target *stgt,
+					struct scsi_device *sdev)
 {
 	int cnt;
 	int status = 0;
 	struct scsi_cmnd *cmd;
 
 	/*
-	 * Waiting for all commands for the designated target in the active
-	 * array
+	 * Waiting for all commands for the designated target or dev
+	 * in the active array
 	 */
 	for (cnt = 0; cnt < ha->host->can_queue; cnt++) {
 		cmd = scsi_host_find_tag(ha->host, cnt);
-		if (cmd && cmd->device->id == t && cmd->device->lun == l) {
+		if (cmd && stgt == scsi_target(cmd->device) &&
+		    (!sdev || sdev == cmd->device)) {
 			if (!qla4xxx_eh_wait_on_command(ha, cmd)) {
 				status++;
 				break;
@@ -1548,24 +1552,19 @@ static int qla4xxx_eh_device_reset(struct scsi_cmnd *cmd)
 		goto eh_dev_reset_done;
 	}
 
-	/* Send marker. */
-	ha->marker_needed = 1;
-
-	/*
-	 * If we are coming down the EH path, wait for all commands to complete
-	 * for the device.
-	 */
-	if (cmd->device->host->shost_state == SHOST_RECOVERY) {
-		if (qla4xxx_eh_wait_for_active_target_commands(ha,
-							  cmd->device->id,
-							  cmd->device->lun)){
-			dev_info(&ha->pdev->dev,
-				   "DEVICE RESET FAILED - waiting for "
-				   "commands.\n");
-			goto eh_dev_reset_done;
-		}
+	if (qla4xxx_eh_wait_for_commands(ha, scsi_target(cmd->device),
+					 cmd->device)) {
+		dev_info(&ha->pdev->dev,
+			   "DEVICE RESET FAILED - waiting for "
+			   "commands.\n");
+		goto eh_dev_reset_done;
 	}
 
+	/* Send marker. */
+	if (qla4xxx_send_marker_iocb(ha, ddb_entry, cmd->device->lun,
+		MM_LUN_RESET) != QLA_SUCCESS)
+		goto eh_dev_reset_done;
+
 	dev_info(&ha->pdev->dev,
 		   "scsi(%ld:%d:%d:%d): DEVICE RESET SUCCEEDED.\n",
 		   ha->host_no, cmd->device->channel, cmd->device->id,
@@ -1579,6 +1578,59 @@ eh_dev_reset_done:
 }
 
 /**
+ * qla4xxx_eh_target_reset - callback for target reset.
+ * @cmd: Pointer to Linux's SCSI command structure
+ *
+ * This routine is called by the Linux OS to reset the target.
+ **/
+static int qla4xxx_eh_target_reset(struct scsi_cmnd *cmd)
+{
+	struct scsi_qla_host *ha = to_qla_host(cmd->device->host);
+	struct ddb_entry *ddb_entry = cmd->device->hostdata;
+	int stat;
+
+	if (!ddb_entry)
+		return FAILED;
+
+	starget_printk(KERN_INFO, scsi_target(cmd->device),
+		       "WARM TARGET RESET ISSUED.\n");
+
+	DEBUG2(printk(KERN_INFO
+		      "scsi%ld: TARGET_DEVICE_RESET cmd=%p jiffies = 0x%lx, "
+		      "to=%x,dpc_flags=%lx, status=%x allowed=%d\n",
+		      ha->host_no, cmd, jiffies, cmd->timeout_per_command / HZ,
+		      ha->dpc_flags, cmd->result, cmd->allowed));
+
+	stat = qla4xxx_reset_target(ha, ddb_entry);
+	if (stat != QLA_SUCCESS) {
+		starget_printk(KERN_INFO, scsi_target(cmd->device),
+			       "WARM TARGET RESET FAILED.\n");
+		return FAILED;
+	}
+
+	if (qla4xxx_eh_wait_for_commands(ha, scsi_target(cmd->device),
+					 NULL)) {
+		starget_printk(KERN_INFO, scsi_target(cmd->device),
+			       "WARM TARGET DEVICE RESET FAILED - "
+			       "waiting for commands.\n");
+		return FAILED;
+	}
+
+	/* Send marker. */
+	if (qla4xxx_send_marker_iocb(ha, ddb_entry, cmd->device->lun,
+		MM_TGT_WARM_RESET) != QLA_SUCCESS) {
+		starget_printk(KERN_INFO, scsi_target(cmd->device),
+			       "WARM TARGET DEVICE RESET FAILED - "
+			       "marker iocb failed.\n");
+		return FAILED;
+	}
+
+	starget_printk(KERN_INFO, scsi_target(cmd->device),
+		       "WARM TARGET RESET SUCCEEDED.\n");
+	return SUCCESS;
+}
+
+/**
  * qla4xxx_eh_host_reset - kernel callback
  * @cmd: Pointer to Linux's SCSI command structure
  *
diff --git a/drivers/scsi/raid_class.c b/drivers/scsi/raid_class.c
index 86e13183c9ba..52182a744ba6 100644
--- a/drivers/scsi/raid_class.c
+++ b/drivers/scsi/raid_class.c
@@ -289,7 +289,7 @@ raid_class_release(struct raid_template *r)
 {
 	struct raid_internal *i = to_raid_internal(r);
 
-	attribute_container_unregister(&i->r.raid_attrs.ac);
+	BUG_ON(attribute_container_unregister(&i->r.raid_attrs.ac));
 
 	kfree(i);
 }
diff --git a/drivers/scsi/scsi.c b/drivers/scsi/scsi.c
index c78b836f59dd..f6980bd9d8f9 100644
--- a/drivers/scsi/scsi.c
+++ b/drivers/scsi/scsi.c
@@ -166,6 +166,51 @@ static struct scsi_host_cmd_pool scsi_cmd_dma_pool = {
 static DEFINE_MUTEX(host_cmd_pool_mutex);
 
 /**
+ * scsi_pool_alloc_command - internal function to get a fully allocated command
+ * @pool:	slab pool to allocate the command from
+ * @gfp_mask:	mask for the allocation
+ *
+ * Returns a fully allocated command (with the allied sense buffer) or
+ * NULL on failure
+ */
+static struct scsi_cmnd *
+scsi_pool_alloc_command(struct scsi_host_cmd_pool *pool, gfp_t gfp_mask)
+{
+	struct scsi_cmnd *cmd;
+
+	cmd = kmem_cache_alloc(pool->cmd_slab, gfp_mask | pool->gfp_mask);
+	if (!cmd)
+		return NULL;
+
+	memset(cmd, 0, sizeof(*cmd));
+
+	cmd->sense_buffer = kmem_cache_alloc(pool->sense_slab,
+					     gfp_mask | pool->gfp_mask);
+	if (!cmd->sense_buffer) {
+		kmem_cache_free(pool->cmd_slab, cmd);
+		return NULL;
+	}
+
+	return cmd;
+}
+
+/**
+ * scsi_pool_free_command - internal function to release a command
+ * @pool:	slab pool to allocate the command from
+ * @cmd:	command to release
+ *
+ * the command must previously have been allocated by
+ * scsi_pool_alloc_command.
+ */
+static void
+scsi_pool_free_command(struct scsi_host_cmd_pool *pool,
+			 struct scsi_cmnd *cmd)
+{
+	kmem_cache_free(pool->sense_slab, cmd->sense_buffer);
+	kmem_cache_free(pool->cmd_slab, cmd);
+}
+
+/**
  * __scsi_get_command - Allocate a struct scsi_cmnd
  * @shost: host to transmit command
  * @gfp_mask: allocation mask
@@ -178,20 +223,7 @@ struct scsi_cmnd *__scsi_get_command(struct Scsi_Host *shost, gfp_t gfp_mask)
 	struct scsi_cmnd *cmd;
 	unsigned char *buf;
 
-	cmd = kmem_cache_alloc(shost->cmd_pool->cmd_slab,
-			       gfp_mask | shost->cmd_pool->gfp_mask);
-
-	if (likely(cmd)) {
-		buf = kmem_cache_alloc(shost->cmd_pool->sense_slab,
-				       gfp_mask | shost->cmd_pool->gfp_mask);
-		if (likely(buf)) {
-			memset(cmd, 0, sizeof(*cmd));
-			cmd->sense_buffer = buf;
-		} else {
-			kmem_cache_free(shost->cmd_pool->cmd_slab, cmd);
-			cmd = NULL;
-		}
-	}
+	cmd = scsi_pool_alloc_command(shost->cmd_pool, gfp_mask);
 
 	if (unlikely(!cmd)) {
 		unsigned long flags;
@@ -268,11 +300,8 @@ void __scsi_put_command(struct Scsi_Host *shost, struct scsi_cmnd *cmd,
 	}
 	spin_unlock_irqrestore(&shost->free_list_lock, flags);
 
-	if (likely(cmd != NULL)) {
-		kmem_cache_free(shost->cmd_pool->sense_slab,
-				cmd->sense_buffer);
-		kmem_cache_free(shost->cmd_pool->cmd_slab, cmd);
-	}
+	if (likely(cmd != NULL))
+		scsi_pool_free_command(shost->cmd_pool, cmd);
 
 	put_device(dev);
 }
@@ -301,30 +330,16 @@ void scsi_put_command(struct scsi_cmnd *cmd)
 }
 EXPORT_SYMBOL(scsi_put_command);
 
-/**
- * scsi_setup_command_freelist - Setup the command freelist for a scsi host.
- * @shost: host to allocate the freelist for.
- *
- * Description: The command freelist protects against system-wide out of memory
- * deadlock by preallocating one SCSI command structure for each host, so the
- * system can always write to a swap file on a device associated with that host.
- *
- * Returns:	Nothing.
- */
-int scsi_setup_command_freelist(struct Scsi_Host *shost)
+static struct scsi_host_cmd_pool *scsi_get_host_cmd_pool(gfp_t gfp_mask)
 {
-	struct scsi_host_cmd_pool *pool;
-	struct scsi_cmnd *cmd;
-
-	spin_lock_init(&shost->free_list_lock);
-	INIT_LIST_HEAD(&shost->free_list);
-
+	struct scsi_host_cmd_pool *retval = NULL, *pool;
 	/*
 	 * Select a command slab for this host and create it if not
 	 * yet existent.
 	 */
 	mutex_lock(&host_cmd_pool_mutex);
-	pool = (shost->unchecked_isa_dma ? &scsi_cmd_dma_pool : &scsi_cmd_pool);
+	pool = (gfp_mask & __GFP_DMA) ? &scsi_cmd_dma_pool :
+		&scsi_cmd_pool;
 	if (!pool->users) {
 		pool->cmd_slab = kmem_cache_create(pool->cmd_name,
 						   sizeof(struct scsi_cmnd), 0,
@@ -342,37 +357,122 @@ int scsi_setup_command_freelist(struct Scsi_Host *shost)
 	}
 
 	pool->users++;
-	shost->cmd_pool = pool;
+	retval = pool;
+ fail:
 	mutex_unlock(&host_cmd_pool_mutex);
+	return retval;
+}
+
+static void scsi_put_host_cmd_pool(gfp_t gfp_mask)
+{
+	struct scsi_host_cmd_pool *pool;
 
+	mutex_lock(&host_cmd_pool_mutex);
+	pool = (gfp_mask & __GFP_DMA) ? &scsi_cmd_dma_pool :
+		&scsi_cmd_pool;
 	/*
-	 * Get one backup command for this host.
+	 * This may happen if a driver has a mismatched get and put
+	 * of the command pool; the driver should be implicated in
+	 * the stack trace
 	 */
-	cmd = kmem_cache_alloc(shost->cmd_pool->cmd_slab,
-			       GFP_KERNEL | shost->cmd_pool->gfp_mask);
-	if (!cmd)
-		goto fail2;
+	BUG_ON(pool->users == 0);
 
-	cmd->sense_buffer = kmem_cache_alloc(shost->cmd_pool->sense_slab,
-					     GFP_KERNEL |
-					     shost->cmd_pool->gfp_mask);
-	if (!cmd->sense_buffer)
-		goto fail2;
-
-	list_add(&cmd->list, &shost->free_list);
-	return 0;
-
- fail2:
-	if (cmd)
-		kmem_cache_free(shost->cmd_pool->cmd_slab, cmd);
-	mutex_lock(&host_cmd_pool_mutex);
 	if (!--pool->users) {
 		kmem_cache_destroy(pool->cmd_slab);
 		kmem_cache_destroy(pool->sense_slab);
 	}
- fail:
 	mutex_unlock(&host_cmd_pool_mutex);
-	return -ENOMEM;
+}
+
+/**
+ * scsi_allocate_command - get a fully allocated SCSI command
+ * @gfp_mask:	allocation mask
+ *
+ * This function is for use outside of the normal host based pools.
+ * It allocates the relevant command and takes an additional reference
+ * on the pool it used.  This function *must* be paired with
+ * scsi_free_command which also has the identical mask, otherwise the
+ * free pool counts will eventually go wrong and you'll trigger a bug.
+ *
+ * This function should *only* be used by drivers that need a static
+ * command allocation at start of day for internal functions.
+ */
+struct scsi_cmnd *scsi_allocate_command(gfp_t gfp_mask)
+{
+	struct scsi_host_cmd_pool *pool = scsi_get_host_cmd_pool(gfp_mask);
+
+	if (!pool)
+		return NULL;
+
+	return scsi_pool_alloc_command(pool, gfp_mask);
+}
+EXPORT_SYMBOL(scsi_allocate_command);
+
+/**
+ * scsi_free_command - free a command allocated by scsi_allocate_command
+ * @gfp_mask:	mask used in the original allocation
+ * @cmd:	command to free
+ *
+ * Note: using the original allocation mask is vital because that's
+ * what determines which command pool we use to free the command.  Any
+ * mismatch will cause the system to BUG eventually.
+ */
+void scsi_free_command(gfp_t gfp_mask, struct scsi_cmnd *cmd)
+{
+	struct scsi_host_cmd_pool *pool = scsi_get_host_cmd_pool(gfp_mask);
+
+	/*
+	 * this could trigger if the mask to scsi_allocate_command
+	 * doesn't match this mask.  Otherwise we're guaranteed that this
+	 * succeeds because scsi_allocate_command must have taken a reference
+	 * on the pool
+	 */
+	BUG_ON(!pool);
+
+	scsi_pool_free_command(pool, cmd);
+	/*
+	 * scsi_put_host_cmd_pool is called twice; once to release the
+	 * reference we took above, and once to release the reference
+	 * originally taken by scsi_allocate_command
+	 */
+	scsi_put_host_cmd_pool(gfp_mask);
+	scsi_put_host_cmd_pool(gfp_mask);
+}
+EXPORT_SYMBOL(scsi_free_command);
+
+/**
+ * scsi_setup_command_freelist - Setup the command freelist for a scsi host.
+ * @shost: host to allocate the freelist for.
+ *
+ * Description: The command freelist protects against system-wide out of memory
+ * deadlock by preallocating one SCSI command structure for each host, so the
+ * system can always write to a swap file on a device associated with that host.
+ *
+ * Returns:	Nothing.
+ */
+int scsi_setup_command_freelist(struct Scsi_Host *shost)
+{
+	struct scsi_cmnd *cmd;
+	const gfp_t gfp_mask = shost->unchecked_isa_dma ? GFP_DMA : GFP_KERNEL;
+
+	spin_lock_init(&shost->free_list_lock);
+	INIT_LIST_HEAD(&shost->free_list);
+
+	shost->cmd_pool = scsi_get_host_cmd_pool(gfp_mask);
+
+	if (!shost->cmd_pool)
+		return -ENOMEM;
+
+	/*
+	 * Get one backup command for this host.
+	 */
+	cmd = scsi_pool_alloc_command(shost->cmd_pool, gfp_mask);
+	if (!cmd) {
+		scsi_put_host_cmd_pool(gfp_mask);
+		return -ENOMEM;
+	}
+	list_add(&cmd->list, &shost->free_list);
+	return 0;
 }
 
 /**
@@ -386,17 +486,10 @@ void scsi_destroy_command_freelist(struct Scsi_Host *shost)
 
 		cmd = list_entry(shost->free_list.next, struct scsi_cmnd, list);
 		list_del_init(&cmd->list);
-		kmem_cache_free(shost->cmd_pool->sense_slab,
-				cmd->sense_buffer);
-		kmem_cache_free(shost->cmd_pool->cmd_slab, cmd);
+		scsi_pool_free_command(shost->cmd_pool, cmd);
 	}
-
-	mutex_lock(&host_cmd_pool_mutex);
-	if (!--shost->cmd_pool->users) {
-		kmem_cache_destroy(shost->cmd_pool->cmd_slab);
-		kmem_cache_destroy(shost->cmd_pool->sense_slab);
-	}
-	mutex_unlock(&host_cmd_pool_mutex);
+	shost->cmd_pool = NULL;
+	scsi_put_host_cmd_pool(shost->unchecked_isa_dma ? GFP_DMA : GFP_KERNEL);
 }
 
 #ifdef CONFIG_SCSI_LOGGING
diff --git a/drivers/scsi/scsi_debug.c b/drivers/scsi/scsi_debug.c
index d1777a9a9625..07103c399fe0 100644
--- a/drivers/scsi/scsi_debug.c
+++ b/drivers/scsi/scsi_debug.c
@@ -39,16 +39,18 @@
 #include <linux/vmalloc.h>
 #include <linux/moduleparam.h>
 #include <linux/scatterlist.h>
-
 #include <linux/blkdev.h>
-#include "scsi.h"
+
+#include <scsi/scsi.h>
+#include <scsi/scsi_cmnd.h>
+#include <scsi/scsi_device.h>
 #include <scsi/scsi_host.h>
 #include <scsi/scsicam.h>
+#include <scsi/scsi_eh.h>
 
 #include <linux/stat.h>
 
 #include "scsi_logging.h"
-#include "scsi_debug.h"
 
 #define SCSI_DEBUG_VERSION "1.81"
 static const char * scsi_debug_version_date = "20070104";
@@ -146,7 +148,6 @@ static int scsi_debug_cmnd_count = 0;
 #define DEV_READONLY(TGT)      (0)
 #define DEV_REMOVEABLE(TGT)    (0)
 
-static unsigned int sdebug_store_size;	/* in bytes */
 static unsigned int sdebug_store_sectors;
 static sector_t sdebug_capacity;	/* in sectors */
 
@@ -165,6 +166,9 @@ static int sdebug_sectors_per;		/* sectors per cylinder */
 
 #define SDEBUG_SENSE_LEN 32
 
+#define SCSI_DEBUG_CANQUEUE  255
+#define SCSI_DEBUG_MAX_CMD_LEN 16
+
 struct sdebug_dev_info {
 	struct list_head dev_list;
 	unsigned char sense_buff[SDEBUG_SENSE_LEN];	/* weak nexus */
@@ -202,30 +206,6 @@ struct sdebug_queued_cmd {
 };
 static struct sdebug_queued_cmd queued_arr[SCSI_DEBUG_CANQUEUE];
 
-static struct scsi_host_template sdebug_driver_template = {
-	.proc_info =		scsi_debug_proc_info,
-	.name =			"SCSI DEBUG",
-	.info =			scsi_debug_info,
-	.slave_alloc =		scsi_debug_slave_alloc,
-	.slave_configure =	scsi_debug_slave_configure,
-	.slave_destroy =	scsi_debug_slave_destroy,
-	.ioctl =		scsi_debug_ioctl,
-	.queuecommand =		scsi_debug_queuecommand,
-	.eh_abort_handler =	scsi_debug_abort,
-	.eh_bus_reset_handler = scsi_debug_bus_reset,
-	.eh_device_reset_handler = scsi_debug_device_reset,
-	.eh_host_reset_handler = scsi_debug_host_reset,
-	.bios_param =		scsi_debug_biosparam,
-	.can_queue =		SCSI_DEBUG_CANQUEUE,
-	.this_id =		7,
-	.sg_tablesize =		256,
-	.cmd_per_lun =		16,
-	.max_sectors =		0xffff,
-	.unchecked_isa_dma = 	0,
-	.use_clustering = 	DISABLE_CLUSTERING,
-	.module =		THIS_MODULE,
-};
-
 static unsigned char * fake_storep;	/* ramdisk storage */
 
 static int num_aborts = 0;
@@ -238,8 +218,6 @@ static DEFINE_RWLOCK(atomic_rw);
 
 static char sdebug_proc_name[] = "scsi_debug";
 
-static int sdebug_driver_probe(struct device *);
-static int sdebug_driver_remove(struct device *);
 static struct bus_type pseudo_lld_bus;
 
 static struct device_driver sdebug_driverfs_driver = {
@@ -255,94 +233,77 @@ static unsigned char ctrl_m_pg[] = {0xa, 10, 2, 0, 0, 0, 0, 0,
 static unsigned char iec_m_pg[] = {0x1c, 0xa, 0x08, 0, 0, 0, 0, 0,
 			           0, 0, 0x0, 0x0};
 
-/* function declarations */
-static int resp_inquiry(struct scsi_cmnd * SCpnt, int target,
-			struct sdebug_dev_info * devip);
-static int resp_requests(struct scsi_cmnd * SCpnt,
-			 struct sdebug_dev_info * devip);
-static int resp_start_stop(struct scsi_cmnd * scp,
-			   struct sdebug_dev_info * devip);
-static int resp_report_tgtpgs(struct scsi_cmnd * scp,
-			      struct sdebug_dev_info * devip);
-static int resp_readcap(struct scsi_cmnd * SCpnt,
-			struct sdebug_dev_info * devip);
-static int resp_readcap16(struct scsi_cmnd * SCpnt,
-			  struct sdebug_dev_info * devip);
-static int resp_mode_sense(struct scsi_cmnd * scp, int target,
-			   struct sdebug_dev_info * devip);
-static int resp_mode_select(struct scsi_cmnd * scp, int mselect6,
-			    struct sdebug_dev_info * devip);
-static int resp_log_sense(struct scsi_cmnd * scp,
-			  struct sdebug_dev_info * devip);
-static int resp_read(struct scsi_cmnd * SCpnt, unsigned long long lba,
-		     unsigned int num, struct sdebug_dev_info * devip);
-static int resp_write(struct scsi_cmnd * SCpnt, unsigned long long lba,
-		      unsigned int num, struct sdebug_dev_info * devip);
-static int resp_report_luns(struct scsi_cmnd * SCpnt,
-			    struct sdebug_dev_info * devip);
-static int resp_xdwriteread(struct scsi_cmnd *scp, unsigned long long lba,
-			    unsigned int num, struct sdebug_dev_info *devip);
-static int fill_from_dev_buffer(struct scsi_cmnd * scp, unsigned char * arr,
-                                int arr_len);
-static int fetch_to_dev_buffer(struct scsi_cmnd * scp, unsigned char * arr,
-                               int max_arr_len);
-static void timer_intr_handler(unsigned long);
-static struct sdebug_dev_info * devInfoReg(struct scsi_device * sdev);
-static void mk_sense_buffer(struct sdebug_dev_info * devip, int key,
-			    int asc, int asq);
-static int check_readiness(struct scsi_cmnd * SCpnt, int reset_only,
-			   struct sdebug_dev_info * devip);
-static int schedule_resp(struct scsi_cmnd * cmnd,
-			 struct sdebug_dev_info * devip,
-			 done_funct_t done, int scsi_result, int delta_jiff);
-static void __init sdebug_build_parts(unsigned char * ramp);
-static void __init init_all_queued(void);
-static void stop_all_queued(void);
-static int stop_queued_cmnd(struct scsi_cmnd * cmnd);
-static int inquiry_evpd_83(unsigned char * arr, int port_group_id,
-			   int target_dev_id, int dev_id_num,
-			   const char * dev_id_str, int dev_id_str_len);
-static int inquiry_evpd_88(unsigned char * arr, int target_dev_id);
-static int do_create_driverfs_files(void);
-static void do_remove_driverfs_files(void);
-
 static int sdebug_add_adapter(void);
 static void sdebug_remove_adapter(void);
-static void sdebug_max_tgts_luns(void);
 
-static struct device pseudo_primary;
-static struct bus_type pseudo_lld_bus;
+static void sdebug_max_tgts_luns(void)
+{
+	struct sdebug_host_info *sdbg_host;
+	struct Scsi_Host *hpnt;
+
+	spin_lock(&sdebug_host_list_lock);
+	list_for_each_entry(sdbg_host, &sdebug_host_list, host_list) {
+		hpnt = sdbg_host->shost;
+		if ((hpnt->this_id >= 0) &&
+		    (scsi_debug_num_tgts > hpnt->this_id))
+			hpnt->max_id = scsi_debug_num_tgts + 1;
+		else
+			hpnt->max_id = scsi_debug_num_tgts;
+		/* scsi_debug_max_luns; */
+		hpnt->max_lun = SAM2_WLUN_REPORT_LUNS;
+	}
+	spin_unlock(&sdebug_host_list_lock);
+}
+
+static void mk_sense_buffer(struct sdebug_dev_info *devip, int key,
+			    int asc, int asq)
+{
+	unsigned char *sbuff;
+
+	sbuff = devip->sense_buff;
+	memset(sbuff, 0, SDEBUG_SENSE_LEN);
+
+	scsi_build_sense_buffer(scsi_debug_dsense, sbuff, key, asc, asq);
+
+	if (SCSI_DEBUG_OPT_NOISE & scsi_debug_opts)
+		printk(KERN_INFO "scsi_debug:    [sense_key,asc,ascq]: "
+		      "[0x%x,0x%x,0x%x]\n", key, asc, asq);
+}
 
 static void get_data_transfer_info(unsigned char *cmd,
 				   unsigned long long *lba, unsigned int *num)
 {
-	int i;
-
 	switch (*cmd) {
 	case WRITE_16:
 	case READ_16:
-		for (*lba = 0, i = 0; i < 8; ++i) {
-			if (i > 0)
-				*lba <<= 8;
-			*lba += cmd[2 + i];
-		}
-		*num = cmd[13] + (cmd[12] << 8) +
-			(cmd[11] << 16) + (cmd[10] << 24);
+		*lba = (u64)cmd[9] | (u64)cmd[8] << 8 |
+			(u64)cmd[7] << 16 | (u64)cmd[6] << 24 |
+			(u64)cmd[5] << 32 | (u64)cmd[4] << 40 |
+			(u64)cmd[3] << 48 | (u64)cmd[2] << 56;
+
+		*num = (u32)cmd[13] | (u32)cmd[12] << 8 | (u32)cmd[11] << 16 |
+			(u32)cmd[10] << 24;
 		break;
 	case WRITE_12:
 	case READ_12:
-		*lba = cmd[5] + (cmd[4] << 8) +	(cmd[3] << 16) + (cmd[2] << 24);
-		*num = cmd[9] + (cmd[8] << 8) +	(cmd[7] << 16) + (cmd[6] << 24);
+		*lba = (u32)cmd[5] | (u32)cmd[4] << 8 | (u32)cmd[3] << 16 |
+			(u32)cmd[2] << 24;
+
+		*num = (u32)cmd[9] | (u32)cmd[8] << 8 | (u32)cmd[7] << 16 |
+			(u32)cmd[6] << 24;
 		break;
 	case WRITE_10:
 	case READ_10:
 	case XDWRITEREAD_10:
-		*lba = cmd[5] + (cmd[4] << 8) +	(cmd[3] << 16) + (cmd[2] << 24);
-		*num = cmd[8] + (cmd[7] << 8);
+		*lba = (u32)cmd[5] | (u32)cmd[4] << 8 |	(u32)cmd[3] << 16 |
+			(u32)cmd[2] << 24;
+
+		*num = (u32)cmd[8] | (u32)cmd[7] << 8;
 		break;
 	case WRITE_6:
 	case READ_6:
-		*lba = cmd[3] + (cmd[2] << 8) + ((cmd[1] & 0x1f) << 16);
+		*lba = (u32)cmd[3] | (u32)cmd[2] << 8 |
+			(u32)(cmd[1] & 0x1f) << 16;
 		*num = (0 == cmd[4]) ? 256 : cmd[4];
 		break;
 	default:
@@ -350,237 +311,6 @@ static void get_data_transfer_info(unsigned char *cmd,
 	}
 }
 
-static
-int scsi_debug_queuecommand(struct scsi_cmnd * SCpnt, done_funct_t done)
-{
-	unsigned char *cmd = (unsigned char *) SCpnt->cmnd;
-	int len, k;
-	unsigned int num;
-	unsigned long long lba;
-	int errsts = 0;
-	int target = SCpnt->device->id;
-	struct sdebug_dev_info * devip = NULL;
-	int inj_recovered = 0;
-	int inj_transport = 0;
-	int delay_override = 0;
-
-	if (done == NULL)
-		return 0;	/* assume mid level reprocessing command */
-
-	scsi_set_resid(SCpnt, 0);
-	if ((SCSI_DEBUG_OPT_NOISE & scsi_debug_opts) && cmd) {
-		printk(KERN_INFO "scsi_debug: cmd ");
-		for (k = 0, len = SCpnt->cmd_len; k < len; ++k)
-			printk("%02x ", (int)cmd[k]);
-		printk("\n");
-	}
-        if(target == sdebug_driver_template.this_id) {
-		printk(KERN_INFO "scsi_debug: initiator's id used as "
-		       "target!\n");
-		return schedule_resp(SCpnt, NULL, done,
-				     DID_NO_CONNECT << 16, 0);
-        }
-
-	if ((SCpnt->device->lun >= scsi_debug_max_luns) &&
-	    (SCpnt->device->lun != SAM2_WLUN_REPORT_LUNS))
-		return schedule_resp(SCpnt, NULL, done,
-				     DID_NO_CONNECT << 16, 0);
-	devip = devInfoReg(SCpnt->device);
-	if (NULL == devip)
-		return schedule_resp(SCpnt, NULL, done,
-				     DID_NO_CONNECT << 16, 0);
-
-        if ((scsi_debug_every_nth != 0) &&
-            (++scsi_debug_cmnd_count >= abs(scsi_debug_every_nth))) {
-                scsi_debug_cmnd_count = 0;
-		if (scsi_debug_every_nth < -1)
-			scsi_debug_every_nth = -1;
-		if (SCSI_DEBUG_OPT_TIMEOUT & scsi_debug_opts)
-			return 0; /* ignore command causing timeout */
-		else if (SCSI_DEBUG_OPT_RECOVERED_ERR & scsi_debug_opts)
-			inj_recovered = 1; /* to reads and writes below */
-		else if (SCSI_DEBUG_OPT_TRANSPORT_ERR & scsi_debug_opts)
-			inj_transport = 1; /* to reads and writes below */
-        }
-
-	if (devip->wlun) {
-		switch (*cmd) {
-		case INQUIRY:
-		case REQUEST_SENSE:
-		case TEST_UNIT_READY:
-		case REPORT_LUNS:
-			break;  /* only allowable wlun commands */
-		default:
-			if (SCSI_DEBUG_OPT_NOISE & scsi_debug_opts)
-				printk(KERN_INFO "scsi_debug: Opcode: 0x%x "
-				       "not supported for wlun\n", *cmd);
-			mk_sense_buffer(devip, ILLEGAL_REQUEST,
-					INVALID_OPCODE, 0);
-			errsts = check_condition_result;
-			return schedule_resp(SCpnt, devip, done, errsts,
-					     0);
-		}
-	}
-
-	switch (*cmd) {
-	case INQUIRY:     /* mandatory, ignore unit attention */
-		delay_override = 1;
-		errsts = resp_inquiry(SCpnt, target, devip);
-		break;
-	case REQUEST_SENSE:	/* mandatory, ignore unit attention */
-		delay_override = 1;
-		errsts = resp_requests(SCpnt, devip);
-		break;
-	case REZERO_UNIT:	/* actually this is REWIND for SSC */
-	case START_STOP:
-		errsts = resp_start_stop(SCpnt, devip);
-		break;
-	case ALLOW_MEDIUM_REMOVAL:
-		if ((errsts = check_readiness(SCpnt, 1, devip)))
-			break;
-		if (SCSI_DEBUG_OPT_NOISE & scsi_debug_opts)
-			printk(KERN_INFO "scsi_debug: Medium removal %s\n",
-			        cmd[4] ? "inhibited" : "enabled");
-		break;
-	case SEND_DIAGNOSTIC:     /* mandatory */
-		errsts = check_readiness(SCpnt, 1, devip);
-		break;
-	case TEST_UNIT_READY:     /* mandatory */
-		delay_override = 1;
-		errsts = check_readiness(SCpnt, 0, devip);
-		break;
-        case RESERVE:
-		errsts = check_readiness(SCpnt, 1, devip);
-                break;
-        case RESERVE_10:
-		errsts = check_readiness(SCpnt, 1, devip);
-                break;
-        case RELEASE:
-		errsts = check_readiness(SCpnt, 1, devip);
-                break;
-        case RELEASE_10:
-		errsts = check_readiness(SCpnt, 1, devip);
-                break;
-	case READ_CAPACITY:
-		errsts = resp_readcap(SCpnt, devip);
-		break;
-	case SERVICE_ACTION_IN:
-		if (SAI_READ_CAPACITY_16 != cmd[1]) {
-			mk_sense_buffer(devip, ILLEGAL_REQUEST,
-					INVALID_OPCODE, 0);
-			errsts = check_condition_result;
-			break;
-		}
-		errsts = resp_readcap16(SCpnt, devip);
-		break;
-	case MAINTENANCE_IN:
-		if (MI_REPORT_TARGET_PGS != cmd[1]) {
-			mk_sense_buffer(devip, ILLEGAL_REQUEST,
-					INVALID_OPCODE, 0);
-			errsts = check_condition_result;
-			break;
-		}
-		errsts = resp_report_tgtpgs(SCpnt, devip);
-		break;
-	case READ_16:
-	case READ_12:
-	case READ_10:
-	case READ_6:
-		if ((errsts = check_readiness(SCpnt, 0, devip)))
-			break;
-		if (scsi_debug_fake_rw)
-			break;
-		get_data_transfer_info(cmd, &lba, &num);
-		errsts = resp_read(SCpnt, lba, num, devip);
-		if (inj_recovered && (0 == errsts)) {
-			mk_sense_buffer(devip, RECOVERED_ERROR,
-					THRESHOLD_EXCEEDED, 0);
-			errsts = check_condition_result;
-		} else if (inj_transport && (0 == errsts)) {
-                        mk_sense_buffer(devip, ABORTED_COMMAND,
-                                        TRANSPORT_PROBLEM, ACK_NAK_TO);
-                        errsts = check_condition_result;
-                }
-		break;
-	case REPORT_LUNS:	/* mandatory, ignore unit attention */
-		delay_override = 1;
-		errsts = resp_report_luns(SCpnt, devip);
-		break;
-	case VERIFY:		/* 10 byte SBC-2 command */
-		errsts = check_readiness(SCpnt, 0, devip);
-		break;
-	case WRITE_16:
-	case WRITE_12:
-	case WRITE_10:
-	case WRITE_6:
-		if ((errsts = check_readiness(SCpnt, 0, devip)))
-			break;
-		if (scsi_debug_fake_rw)
-			break;
-		get_data_transfer_info(cmd, &lba, &num);
-		errsts = resp_write(SCpnt, lba, num, devip);
-		if (inj_recovered && (0 == errsts)) {
-			mk_sense_buffer(devip, RECOVERED_ERROR,
-					THRESHOLD_EXCEEDED, 0);
-			errsts = check_condition_result;
-		}
-		break;
-	case MODE_SENSE:
-	case MODE_SENSE_10:
-		errsts = resp_mode_sense(SCpnt, target, devip);
-		break;
-	case MODE_SELECT:
-		errsts = resp_mode_select(SCpnt, 1, devip);
-		break;
-	case MODE_SELECT_10:
-		errsts = resp_mode_select(SCpnt, 0, devip);
-		break;
-	case LOG_SENSE:
-		errsts = resp_log_sense(SCpnt, devip);
-		break;
-	case SYNCHRONIZE_CACHE:
-		delay_override = 1;
-		errsts = check_readiness(SCpnt, 0, devip);
-		break;
-	case WRITE_BUFFER:
-		errsts = check_readiness(SCpnt, 1, devip);
-		break;
-	case XDWRITEREAD_10:
-		if (!scsi_bidi_cmnd(SCpnt)) {
-			mk_sense_buffer(devip, ILLEGAL_REQUEST,
-					INVALID_FIELD_IN_CDB, 0);
-			errsts = check_condition_result;
-			break;
-		}
-
-		errsts = check_readiness(SCpnt, 0, devip);
-		if (errsts)
-			break;
-		if (scsi_debug_fake_rw)
-			break;
-		get_data_transfer_info(cmd, &lba, &num);
-		errsts = resp_read(SCpnt, lba, num, devip);
-		if (errsts)
-			break;
-		errsts = resp_write(SCpnt, lba, num, devip);
-		if (errsts)
-			break;
-		errsts = resp_xdwriteread(SCpnt, lba, num, devip);
-		break;
-	default:
-		if (SCSI_DEBUG_OPT_NOISE & scsi_debug_opts)
-			printk(KERN_INFO "scsi_debug: Opcode: 0x%x not "
-			       "supported\n", *cmd);
-		if ((errsts = check_readiness(SCpnt, 1, devip)))
-			break;	/* Unit attention takes precedence */
-		mk_sense_buffer(devip, ILLEGAL_REQUEST, INVALID_OPCODE, 0);
-		errsts = check_condition_result;
-		break;
-	}
-	return schedule_resp(SCpnt, devip, done, errsts,
-			     (delay_override ? 0 : scsi_debug_delay));
-}
-
 static int scsi_debug_ioctl(struct scsi_device *dev, int cmd, void __user *arg)
 {
 	if (SCSI_DEBUG_OPT_NOISE & scsi_debug_opts) {
@@ -613,81 +343,37 @@ static int check_readiness(struct scsi_cmnd * SCpnt, int reset_only,
 }
 
 /* Returns 0 if ok else (DID_ERROR << 16). Sets scp->resid . */
-static int fill_from_dev_buffer(struct scsi_cmnd * scp, unsigned char * arr,
+static int fill_from_dev_buffer(struct scsi_cmnd *scp, unsigned char *arr,
 				int arr_len)
 {
-	int k, req_len, act_len, len, active;
-	void * kaddr;
-	void * kaddr_off;
-	struct scatterlist *sg;
+	int act_len;
 	struct scsi_data_buffer *sdb = scsi_in(scp);
 
 	if (!sdb->length)
 		return 0;
-	if (!sdb->table.sgl)
-		return (DID_ERROR << 16);
 	if (!(scsi_bidi_cmnd(scp) || scp->sc_data_direction == DMA_FROM_DEVICE))
 		return (DID_ERROR << 16);
-	active = 1;
-	req_len = act_len = 0;
-	for_each_sg(sdb->table.sgl, sg, sdb->table.nents, k) {
-		if (active) {
-			kaddr = (unsigned char *)
-				kmap_atomic(sg_page(sg), KM_USER0);
-			if (NULL == kaddr)
-				return (DID_ERROR << 16);
-			kaddr_off = (unsigned char *)kaddr + sg->offset;
-			len = sg->length;
-			if ((req_len + len) > arr_len) {
-				active = 0;
-				len = arr_len - req_len;
-			}
-			memcpy(kaddr_off, arr + req_len, len);
-			kunmap_atomic(kaddr, KM_USER0);
-			act_len += len;
-		}
-		req_len += sg->length;
-	}
+
+	act_len = sg_copy_from_buffer(sdb->table.sgl, sdb->table.nents,
+				      arr, arr_len);
 	if (sdb->resid)
 		sdb->resid -= act_len;
 	else
-		sdb->resid = req_len - act_len;
+		sdb->resid = scsi_bufflen(scp) - act_len;
+
 	return 0;
 }
 
 /* Returns number of bytes fetched into 'arr' or -1 if error. */
-static int fetch_to_dev_buffer(struct scsi_cmnd * scp, unsigned char * arr,
-			       int max_arr_len)
+static int fetch_to_dev_buffer(struct scsi_cmnd *scp, unsigned char *arr,
+			       int arr_len)
 {
-	int k, req_len, len, fin;
-	void * kaddr;
-	void * kaddr_off;
-	struct scatterlist * sg;
-
-	if (0 == scsi_bufflen(scp))
+	if (!scsi_bufflen(scp))
 		return 0;
-	if (NULL == scsi_sglist(scp))
-		return -1;
 	if (!(scsi_bidi_cmnd(scp) || scp->sc_data_direction == DMA_TO_DEVICE))
 		return -1;
-	req_len = fin = 0;
-	scsi_for_each_sg(scp, sg, scsi_sg_count(scp), k) {
-		kaddr = (unsigned char *)kmap_atomic(sg_page(sg), KM_USER0);
-		if (NULL == kaddr)
-			return -1;
-		kaddr_off = (unsigned char *)kaddr + sg->offset;
-		len = sg->length;
-		if ((req_len + len) > max_arr_len) {
-			len = max_arr_len - req_len;
-			fin = 1;
-		}
-		memcpy(arr + req_len, kaddr_off, len);
-		kunmap_atomic(kaddr, KM_USER0);
-		if (fin)
-			return req_len + len;
-		req_len += sg->length;
-	}
-	return req_len;
+
+	return scsi_sg_copy_to_buffer(scp, arr, arr_len);
 }
 
 
@@ -1159,6 +845,14 @@ static int resp_start_stop(struct scsi_cmnd * scp,
 	return 0;
 }
 
+static sector_t get_sdebug_capacity(void)
+{
+	if (scsi_debug_virtual_gb > 0)
+		return 2048 * 1024 * scsi_debug_virtual_gb;
+	else
+		return sdebug_store_sectors;
+}
+
 #define SDEBUG_READCAP_ARR_SZ 8
 static int resp_readcap(struct scsi_cmnd * scp,
 			struct sdebug_dev_info * devip)
@@ -1170,11 +864,7 @@ static int resp_readcap(struct scsi_cmnd * scp,
 	if ((errsts = check_readiness(scp, 1, devip)))
 		return errsts;
 	/* following just in case virtual_gb changed */
-	if (scsi_debug_virtual_gb > 0) {
-		sdebug_capacity = 2048 * 1024;
-		sdebug_capacity *= scsi_debug_virtual_gb;
-	} else
-		sdebug_capacity = sdebug_store_sectors;
+	sdebug_capacity = get_sdebug_capacity();
 	memset(arr, 0, SDEBUG_READCAP_ARR_SZ);
 	if (sdebug_capacity < 0xffffffff) {
 		capac = (unsigned int)sdebug_capacity - 1;
@@ -1207,11 +897,7 @@ static int resp_readcap16(struct scsi_cmnd * scp,
 	alloc_len = ((cmd[10] << 24) + (cmd[11] << 16) + (cmd[12] << 8)
 		     + cmd[13]);
 	/* following just in case virtual_gb changed */
-	if (scsi_debug_virtual_gb > 0) {
-		sdebug_capacity = 2048 * 1024;
-		sdebug_capacity *= scsi_debug_virtual_gb;
-	} else
-		sdebug_capacity = sdebug_store_sectors;
+	sdebug_capacity = get_sdebug_capacity();
 	memset(arr, 0, SDEBUG_READCAP16_ARR_SZ);
 	capac = sdebug_capacity - 1;
 	for (k = 0; k < 8; ++k, capac >>= 8)
@@ -1505,13 +1191,9 @@ static int resp_mode_sense(struct scsi_cmnd * scp, int target,
 		offset = 8;
 	}
 	ap = arr + offset;
-	if ((bd_len > 0) && (0 == sdebug_capacity)) {
-		if (scsi_debug_virtual_gb > 0) {
-			sdebug_capacity = 2048 * 1024;
-			sdebug_capacity *= scsi_debug_virtual_gb;
-		} else
-			sdebug_capacity = sdebug_store_sectors;
-	}
+	if ((bd_len > 0) && (!sdebug_capacity))
+		sdebug_capacity = get_sdebug_capacity();
+
 	if (8 == bd_len) {
 		if (sdebug_capacity > 0xfffffffe) {
 			ap[0] = 0xff;
@@ -1808,25 +1490,53 @@ static int resp_log_sense(struct scsi_cmnd * scp,
 		    min(len, SDEBUG_MAX_INQ_ARR_SZ));
 }
 
-static int resp_read(struct scsi_cmnd * SCpnt, unsigned long long lba,
-		     unsigned int num, struct sdebug_dev_info * devip)
+static int check_device_access_params(struct sdebug_dev_info *devi,
+				      unsigned long long lba, unsigned int num)
 {
-	unsigned long iflags;
-	unsigned int block, from_bottom;
-	unsigned long long u;
-	int ret;
-
 	if (lba + num > sdebug_capacity) {
-		mk_sense_buffer(devip, ILLEGAL_REQUEST, ADDR_OUT_OF_RANGE,
-				0);
+		mk_sense_buffer(devi, ILLEGAL_REQUEST, ADDR_OUT_OF_RANGE, 0);
 		return check_condition_result;
 	}
 	/* transfer length excessive (tie in to block limits VPD page) */
 	if (num > sdebug_store_sectors) {
-		mk_sense_buffer(devip, ILLEGAL_REQUEST, INVALID_FIELD_IN_CDB,
-				0);
+		mk_sense_buffer(devi, ILLEGAL_REQUEST, INVALID_FIELD_IN_CDB, 0);
 		return check_condition_result;
 	}
+	return 0;
+}
+
+static int do_device_access(struct scsi_cmnd *scmd,
+			    struct sdebug_dev_info *devi,
+			    unsigned long long lba, unsigned int num, int write)
+{
+	int ret;
+	unsigned int block, rest = 0;
+	int (*func)(struct scsi_cmnd *, unsigned char *, int);
+
+	func = write ? fetch_to_dev_buffer : fill_from_dev_buffer;
+
+	block = do_div(lba, sdebug_store_sectors);
+	if (block + num > sdebug_store_sectors)
+		rest = block + num - sdebug_store_sectors;
+
+	ret = func(scmd, fake_storep + (block * SECT_SIZE),
+		   (num - rest) * SECT_SIZE);
+	if (!ret && rest)
+		ret = func(scmd, fake_storep, rest * SECT_SIZE);
+
+	return ret;
+}
+
+static int resp_read(struct scsi_cmnd *SCpnt, unsigned long long lba,
+		     unsigned int num, struct sdebug_dev_info *devip)
+{
+	unsigned long iflags;
+	int ret;
+
+	ret = check_device_access_params(devip, lba, num);
+	if (ret)
+		return ret;
+
 	if ((SCSI_DEBUG_OPT_MEDIUM_ERR & scsi_debug_opts) &&
 	    (lba <= OPT_MEDIUM_ERR_ADDR) &&
 	    ((lba + num) > OPT_MEDIUM_ERR_ADDR)) {
@@ -1845,74 +1555,30 @@ static int resp_read(struct scsi_cmnd * SCpnt, unsigned long long lba,
 		return check_condition_result;
 	}
 	read_lock_irqsave(&atomic_rw, iflags);
-	if ((lba + num) <= sdebug_store_sectors)
-		ret = fill_from_dev_buffer(SCpnt,
-					   fake_storep + (lba * SECT_SIZE),
-			   		   num * SECT_SIZE);
-	else {
-		/* modulo when one arg is 64 bits needs do_div() */
-		u = lba;
-		block = do_div(u, sdebug_store_sectors);
-		from_bottom = 0;
-		if ((block + num) > sdebug_store_sectors)
-			from_bottom = (block + num) - sdebug_store_sectors;
-		ret = fill_from_dev_buffer(SCpnt,
-					   fake_storep + (block * SECT_SIZE),
-			   		   (num - from_bottom) * SECT_SIZE);
-		if ((0 == ret) && (from_bottom > 0))
-			ret = fill_from_dev_buffer(SCpnt, fake_storep,
-						   from_bottom * SECT_SIZE);
-	}
+	ret = do_device_access(SCpnt, devip, lba, num, 0);
 	read_unlock_irqrestore(&atomic_rw, iflags);
 	return ret;
 }
 
-static int resp_write(struct scsi_cmnd * SCpnt, unsigned long long lba,
-		      unsigned int num, struct sdebug_dev_info * devip)
+static int resp_write(struct scsi_cmnd *SCpnt, unsigned long long lba,
+		      unsigned int num, struct sdebug_dev_info *devip)
 {
 	unsigned long iflags;
-	unsigned int block, to_bottom;
-	unsigned long long u;
-	int res;
+	int ret;
 
-	if (lba + num > sdebug_capacity) {
-		mk_sense_buffer(devip, ILLEGAL_REQUEST, ADDR_OUT_OF_RANGE,
-			       	0);
-		return check_condition_result;
-	}
-	/* transfer length excessive (tie in to block limits VPD page) */
-	if (num > sdebug_store_sectors) {
-		mk_sense_buffer(devip, ILLEGAL_REQUEST, INVALID_FIELD_IN_CDB,
-				0);
-		return check_condition_result;
-	}
+	ret = check_device_access_params(devip, lba, num);
+	if (ret)
+		return ret;
 
 	write_lock_irqsave(&atomic_rw, iflags);
-	if ((lba + num) <= sdebug_store_sectors)
-		res = fetch_to_dev_buffer(SCpnt,
-					  fake_storep + (lba * SECT_SIZE),
-			   		  num * SECT_SIZE);
-	else {
-		/* modulo when one arg is 64 bits needs do_div() */
-		u = lba;
-		block = do_div(u, sdebug_store_sectors);
-		to_bottom = 0;
-		if ((block + num) > sdebug_store_sectors)
-			to_bottom = (block + num) - sdebug_store_sectors;
-		res = fetch_to_dev_buffer(SCpnt,
-					  fake_storep + (block * SECT_SIZE),
-			   		  (num - to_bottom) * SECT_SIZE);
-		if ((0 == res) && (to_bottom > 0))
-			res = fetch_to_dev_buffer(SCpnt, fake_storep,
-						  to_bottom * SECT_SIZE);
-	}
+	ret = do_device_access(SCpnt, devip, lba, num, 1);
 	write_unlock_irqrestore(&atomic_rw, iflags);
-	if (-1 == res)
+	if (-1 == ret)
 		return (DID_ERROR << 16);
-	else if ((res < (num * SECT_SIZE)) &&
+	else if ((ret < (num * SECT_SIZE)) &&
 		 (SCSI_DEBUG_OPT_NOISE & scsi_debug_opts))
 		printk(KERN_INFO "scsi_debug: write: cdb indicated=%u, "
-		       " IO sent=%d bytes\n", num * SECT_SIZE, res);
+		       " IO sent=%d bytes\n", num * SECT_SIZE, ret);
 	return 0;
 }
 
@@ -1987,16 +1653,7 @@ static int resp_xdwriteread(struct scsi_cmnd *scp, unsigned long long lba,
 	if (!buf)
 		return ret;
 
-	offset = 0;
-	scsi_for_each_sg(scp, sg, scsi_sg_count(scp), i) {
-		kaddr = (unsigned char *)kmap_atomic(sg_page(sg), KM_USER0);
-		if (!kaddr)
-			goto out;
-
-		memcpy(buf + offset, kaddr + sg->offset, sg->length);
-		offset += sg->length;
-		kunmap_atomic(kaddr, KM_USER0);
-	}
+	scsi_sg_copy_to_buffer(scp, buf, scsi_bufflen(scp));
 
 	offset = 0;
 	for_each_sg(sdb->table.sgl, sg, sdb->table.nents, i) {
@@ -2045,7 +1702,73 @@ static void timer_intr_handler(unsigned long indx)
 	spin_unlock_irqrestore(&queued_arr_lock, iflags);
 }
 
-static int scsi_debug_slave_alloc(struct scsi_device * sdp)
+
+static struct sdebug_dev_info *
+sdebug_device_create(struct sdebug_host_info *sdbg_host, gfp_t flags)
+{
+	struct sdebug_dev_info *devip;
+
+	devip = kzalloc(sizeof(*devip), flags);
+	if (devip) {
+		devip->sdbg_host = sdbg_host;
+		list_add_tail(&devip->dev_list, &sdbg_host->dev_info_list);
+	}
+	return devip;
+}
+
+static struct sdebug_dev_info * devInfoReg(struct scsi_device * sdev)
+{
+	struct sdebug_host_info * sdbg_host;
+	struct sdebug_dev_info * open_devip = NULL;
+	struct sdebug_dev_info * devip =
+			(struct sdebug_dev_info *)sdev->hostdata;
+
+	if (devip)
+		return devip;
+	sdbg_host = *(struct sdebug_host_info **)shost_priv(sdev->host);
+	if (!sdbg_host) {
+                printk(KERN_ERR "Host info NULL\n");
+		return NULL;
+        }
+	list_for_each_entry(devip, &sdbg_host->dev_info_list, dev_list) {
+		if ((devip->used) && (devip->channel == sdev->channel) &&
+                    (devip->target == sdev->id) &&
+                    (devip->lun == sdev->lun))
+                        return devip;
+		else {
+			if ((!devip->used) && (!open_devip))
+				open_devip = devip;
+		}
+	}
+	if (!open_devip) { /* try and make a new one */
+		open_devip = sdebug_device_create(sdbg_host, GFP_ATOMIC);
+		if (!open_devip) {
+			printk(KERN_ERR "%s: out of memory at line %d\n",
+				__FUNCTION__, __LINE__);
+			return NULL;
+		}
+	}
+
+	open_devip->channel = sdev->channel;
+	open_devip->target = sdev->id;
+	open_devip->lun = sdev->lun;
+	open_devip->sdbg_host = sdbg_host;
+	open_devip->reset = 1;
+	open_devip->used = 1;
+	memset(open_devip->sense_buff, 0, SDEBUG_SENSE_LEN);
+	if (scsi_debug_dsense)
+		open_devip->sense_buff[0] = 0x72;
+	else {
+		open_devip->sense_buff[0] = 0x70;
+		open_devip->sense_buff[7] = 0xa;
+	}
+	if (sdev->lun == SAM2_WLUN_REPORT_LUNS)
+		open_devip->wlun = SAM2_WLUN_REPORT_LUNS & 0xff;
+
+	return open_devip;
+}
+
+static int scsi_debug_slave_alloc(struct scsi_device *sdp)
 {
 	if (SCSI_DEBUG_OPT_NOISE & scsi_debug_opts)
 		printk(KERN_INFO "scsi_debug: slave_alloc <%u %u %u %u>\n",
@@ -2054,9 +1777,9 @@ static int scsi_debug_slave_alloc(struct scsi_device * sdp)
 	return 0;
 }
 
-static int scsi_debug_slave_configure(struct scsi_device * sdp)
+static int scsi_debug_slave_configure(struct scsi_device *sdp)
 {
-	struct sdebug_dev_info * devip;
+	struct sdebug_dev_info *devip;
 
 	if (SCSI_DEBUG_OPT_NOISE & scsi_debug_opts)
 		printk(KERN_INFO "scsi_debug: slave_configure <%u %u %u %u>\n",
@@ -2074,10 +1797,10 @@ static int scsi_debug_slave_configure(struct scsi_device * sdp)
 	return 0;
 }
 
-static void scsi_debug_slave_destroy(struct scsi_device * sdp)
+static void scsi_debug_slave_destroy(struct scsi_device *sdp)
 {
-	struct sdebug_dev_info * devip =
-				(struct sdebug_dev_info *)sdp->hostdata;
+	struct sdebug_dev_info *devip =
+		(struct sdebug_dev_info *)sdp->hostdata;
 
 	if (SCSI_DEBUG_OPT_NOISE & scsi_debug_opts)
 		printk(KERN_INFO "scsi_debug: slave_destroy <%u %u %u %u>\n",
@@ -2089,84 +1812,44 @@ static void scsi_debug_slave_destroy(struct scsi_device * sdp)
 	}
 }
 
-static struct sdebug_dev_info * devInfoReg(struct scsi_device * sdev)
+/* Returns 1 if found 'cmnd' and deleted its timer. else returns 0 */
+static int stop_queued_cmnd(struct scsi_cmnd *cmnd)
 {
-	struct sdebug_host_info * sdbg_host;
-	struct sdebug_dev_info * open_devip = NULL;
-	struct sdebug_dev_info * devip =
-			(struct sdebug_dev_info *)sdev->hostdata;
+	unsigned long iflags;
+	int k;
+	struct sdebug_queued_cmd *sqcp;
 
-	if (devip)
-		return devip;
-	sdbg_host = *(struct sdebug_host_info **) sdev->host->hostdata;
-        if(! sdbg_host) {
-                printk(KERN_ERR "Host info NULL\n");
-		return NULL;
-        }
-	list_for_each_entry(devip, &sdbg_host->dev_info_list, dev_list) {
-		if ((devip->used) && (devip->channel == sdev->channel) &&
-                    (devip->target == sdev->id) &&
-                    (devip->lun == sdev->lun))
-                        return devip;
-		else {
-			if ((!devip->used) && (!open_devip))
-				open_devip = devip;
+	spin_lock_irqsave(&queued_arr_lock, iflags);
+	for (k = 0; k < SCSI_DEBUG_CANQUEUE; ++k) {
+		sqcp = &queued_arr[k];
+		if (sqcp->in_use && (cmnd == sqcp->a_cmnd)) {
+			del_timer_sync(&sqcp->cmnd_timer);
+			sqcp->in_use = 0;
+			sqcp->a_cmnd = NULL;
+			break;
 		}
 	}
-	if (NULL == open_devip) { /* try and make a new one */
-		open_devip = kzalloc(sizeof(*open_devip),GFP_ATOMIC);
-		if (NULL == open_devip) {
-			printk(KERN_ERR "%s: out of memory at line %d\n",
-				__FUNCTION__, __LINE__);
-			return NULL;
-		}
-		open_devip->sdbg_host = sdbg_host;
-		list_add_tail(&open_devip->dev_list,
-		&sdbg_host->dev_info_list);
-	}
-        if (open_devip) {
-		open_devip->channel = sdev->channel;
-		open_devip->target = sdev->id;
-		open_devip->lun = sdev->lun;
-		open_devip->sdbg_host = sdbg_host;
-		open_devip->reset = 1;
-		open_devip->used = 1;
-		memset(open_devip->sense_buff, 0, SDEBUG_SENSE_LEN);
-		if (scsi_debug_dsense)
-			open_devip->sense_buff[0] = 0x72;
-		else {
-			open_devip->sense_buff[0] = 0x70;
-			open_devip->sense_buff[7] = 0xa;
-		}
-		if (sdev->lun == SAM2_WLUN_REPORT_LUNS)
-			open_devip->wlun = SAM2_WLUN_REPORT_LUNS & 0xff;
-		return open_devip;
-        }
-        return NULL;
+	spin_unlock_irqrestore(&queued_arr_lock, iflags);
+	return (k < SCSI_DEBUG_CANQUEUE) ? 1 : 0;
 }
 
-static void mk_sense_buffer(struct sdebug_dev_info * devip, int key,
-			    int asc, int asq)
+/* Deletes (stops) timers of all queued commands */
+static void stop_all_queued(void)
 {
-	unsigned char * sbuff;
+	unsigned long iflags;
+	int k;
+	struct sdebug_queued_cmd *sqcp;
 
-	sbuff = devip->sense_buff;
-	memset(sbuff, 0, SDEBUG_SENSE_LEN);
-	if (scsi_debug_dsense) {
-		sbuff[0] = 0x72;  /* descriptor, current */
-		sbuff[1] = key;
-		sbuff[2] = asc;
-		sbuff[3] = asq;
-	} else {
-		sbuff[0] = 0x70;  /* fixed, current */
-		sbuff[2] = key;
-		sbuff[7] = 0xa;	  /* implies 18 byte sense buffer */
-		sbuff[12] = asc;
-		sbuff[13] = asq;
+	spin_lock_irqsave(&queued_arr_lock, iflags);
+	for (k = 0; k < SCSI_DEBUG_CANQUEUE; ++k) {
+		sqcp = &queued_arr[k];
+		if (sqcp->in_use && sqcp->a_cmnd) {
+			del_timer_sync(&sqcp->cmnd_timer);
+			sqcp->in_use = 0;
+			sqcp->a_cmnd = NULL;
+		}
 	}
-	if (SCSI_DEBUG_OPT_NOISE & scsi_debug_opts)
-		printk(KERN_INFO "scsi_debug:    [sense_key,asc,ascq]: "
-		      "[0x%x,0x%x,0x%x]\n", key, asc, asq);
+	spin_unlock_irqrestore(&queued_arr_lock, iflags);
 }
 
 static int scsi_debug_abort(struct scsi_cmnd * SCpnt)
@@ -2226,7 +1909,7 @@ static int scsi_debug_bus_reset(struct scsi_cmnd * SCpnt)
 		printk(KERN_INFO "scsi_debug: bus_reset\n");
 	++num_bus_resets;
 	if (SCpnt && ((sdp = SCpnt->device)) && ((hp = sdp->host))) {
-		sdbg_host = *(struct sdebug_host_info **) hp->hostdata;
+		sdbg_host = *(struct sdebug_host_info **)shost_priv(hp);
 		if (sdbg_host) {
 			list_for_each_entry(dev_info,
                                             &sdbg_host->dev_info_list,
@@ -2256,46 +1939,6 @@ static int scsi_debug_host_reset(struct scsi_cmnd * SCpnt)
 	return SUCCESS;
 }
 
-/* Returns 1 if found 'cmnd' and deleted its timer. else returns 0 */
-static int stop_queued_cmnd(struct scsi_cmnd * cmnd)
-{
-	unsigned long iflags;
-	int k;
-	struct sdebug_queued_cmd * sqcp;
-
-	spin_lock_irqsave(&queued_arr_lock, iflags);
-	for (k = 0; k < SCSI_DEBUG_CANQUEUE; ++k) {
-		sqcp = &queued_arr[k];
-		if (sqcp->in_use && (cmnd == sqcp->a_cmnd)) {
-			del_timer_sync(&sqcp->cmnd_timer);
-			sqcp->in_use = 0;
-			sqcp->a_cmnd = NULL;
-			break;
-		}
-	}
-	spin_unlock_irqrestore(&queued_arr_lock, iflags);
-	return (k < SCSI_DEBUG_CANQUEUE) ? 1 : 0;
-}
-
-/* Deletes (stops) timers of all queued commands */
-static void stop_all_queued(void)
-{
-	unsigned long iflags;
-	int k;
-	struct sdebug_queued_cmd * sqcp;
-
-	spin_lock_irqsave(&queued_arr_lock, iflags);
-	for (k = 0; k < SCSI_DEBUG_CANQUEUE; ++k) {
-		sqcp = &queued_arr[k];
-		if (sqcp->in_use && sqcp->a_cmnd) {
-			del_timer_sync(&sqcp->cmnd_timer);
-			sqcp->in_use = 0;
-			sqcp->a_cmnd = NULL;
-		}
-	}
-	spin_unlock_irqrestore(&queued_arr_lock, iflags);
-}
-
 /* Initializes timers in queued array */
 static void __init init_all_queued(void)
 {
@@ -2313,7 +1956,8 @@ static void __init init_all_queued(void)
 	spin_unlock_irqrestore(&queued_arr_lock, iflags);
 }
 
-static void __init sdebug_build_parts(unsigned char * ramp)
+static void __init sdebug_build_parts(unsigned char *ramp,
+				      unsigned long store_size)
 {
 	struct partition * pp;
 	int starts[SDEBUG_MAX_PARTS + 2];
@@ -2321,7 +1965,7 @@ static void __init sdebug_build_parts(unsigned char * ramp)
 	int heads_by_sects, start_sec, end_sec;
 
 	/* assume partition table already zeroed */
-	if ((scsi_debug_num_parts < 1) || (sdebug_store_size < 1048576))
+	if ((scsi_debug_num_parts < 1) || (store_size < 1048576))
 		return;
 	if (scsi_debug_num_parts > SDEBUG_MAX_PARTS) {
 		scsi_debug_num_parts = SDEBUG_MAX_PARTS;
@@ -2419,7 +2063,6 @@ static int schedule_resp(struct scsi_cmnd * cmnd,
 		return 0;
 	}
 }
-
 /* Note: The following macros create attribute files in the
    /sys/module/scsi_debug/parameters directory. Unfortunately this
    driver is unaware of a change and cannot trigger auxiliary actions
@@ -2736,11 +2379,9 @@ static ssize_t sdebug_virtual_gb_store(struct device_driver * ddp,
 
 	if ((count > 0) && (1 == sscanf(buf, "%d", &n)) && (n >= 0)) {
 		scsi_debug_virtual_gb = n;
-		if (scsi_debug_virtual_gb > 0) {
-			sdebug_capacity = 2048 * 1024;
-			sdebug_capacity *= scsi_debug_virtual_gb;
-		} else
-			sdebug_capacity = sdebug_store_sectors;
+
+		sdebug_capacity = get_sdebug_capacity();
+
 		return count;
 	}
 	return -EINVAL;
@@ -2756,21 +2397,10 @@ static ssize_t sdebug_add_host_show(struct device_driver * ddp, char * buf)
 static ssize_t sdebug_add_host_store(struct device_driver * ddp,
 				     const char * buf, size_t count)
 {
-        int delta_hosts;
-	char work[20];
+	int delta_hosts;
 
-        if (1 != sscanf(buf, "%10s", work))
+	if (sscanf(buf, "%d", &delta_hosts) != 1)
 		return -EINVAL;
-	{	/* temporary hack around sscanf() problem with -ve nums */
-		int neg = 0;
-
-		if ('-' == *work)
-			neg = 1;
-		if (1 != sscanf(work + neg, "%d", &delta_hosts))
-			return -EINVAL;
-		if (neg)
-			delta_hosts = -delta_hosts;
-	}
 	if (delta_hosts > 0) {
 		do {
 			sdebug_add_adapter();
@@ -2782,7 +2412,7 @@ static ssize_t sdebug_add_host_store(struct device_driver * ddp,
 	}
 	return count;
 }
-DRIVER_ATTR(add_host, S_IRUGO | S_IWUSR, sdebug_add_host_show, 
+DRIVER_ATTR(add_host, S_IRUGO | S_IWUSR, sdebug_add_host_show,
 	    sdebug_add_host_store);
 
 static ssize_t sdebug_vpd_use_hostno_show(struct device_driver * ddp,
@@ -2851,22 +2481,29 @@ static void do_remove_driverfs_files(void)
 	driver_remove_file(&sdebug_driverfs_driver, &driver_attr_add_host);
 }
 
+static void pseudo_0_release(struct device *dev)
+{
+	if (SCSI_DEBUG_OPT_NOISE & scsi_debug_opts)
+		printk(KERN_INFO "scsi_debug: pseudo_0_release() called\n");
+}
+
+static struct device pseudo_primary = {
+	.bus_id		= "pseudo_0",
+	.release	= pseudo_0_release,
+};
+
 static int __init scsi_debug_init(void)
 {
-	unsigned int sz;
+	unsigned long sz;
 	int host_to_add;
 	int k;
 	int ret;
 
 	if (scsi_debug_dev_size_mb < 1)
 		scsi_debug_dev_size_mb = 1;  /* force minimum 1 MB ramdisk */
-	sdebug_store_size = (unsigned int)scsi_debug_dev_size_mb * 1048576;
-	sdebug_store_sectors = sdebug_store_size / SECT_SIZE;
-	if (scsi_debug_virtual_gb > 0) {
-		sdebug_capacity = 2048 * 1024;
-		sdebug_capacity *= scsi_debug_virtual_gb;
-	} else
-		sdebug_capacity = sdebug_store_sectors;
+	sz = (unsigned long)scsi_debug_dev_size_mb * 1048576;
+	sdebug_store_sectors = sz / SECT_SIZE;
+	sdebug_capacity = get_sdebug_capacity();
 
 	/* play around with geometry, don't waste too much on track 0 */
 	sdebug_heads = 8;
@@ -2885,7 +2522,6 @@ static int __init scsi_debug_init(void)
 			       (sdebug_sectors_per * sdebug_heads);
 	}
 
-	sz = sdebug_store_size;
 	fake_storep = vmalloc(sz);
 	if (NULL == fake_storep) {
 		printk(KERN_ERR "scsi_debug_init: out of memory, 1\n");
@@ -2893,7 +2529,7 @@ static int __init scsi_debug_init(void)
 	}
 	memset(fake_storep, 0, sz);
 	if (scsi_debug_num_parts > 0)
-		sdebug_build_parts(fake_storep);
+		sdebug_build_parts(fake_storep, sz);
 
 	ret = device_register(&pseudo_primary);
 	if (ret < 0) {
@@ -2922,8 +2558,6 @@ static int __init scsi_debug_init(void)
 
 	init_all_queued();
 
-	sdebug_driver_template.proc_name = sdebug_proc_name;
-
 	host_to_add = scsi_debug_add_host;
         scsi_debug_add_host = 0;
 
@@ -2972,30 +2606,6 @@ static void __exit scsi_debug_exit(void)
 device_initcall(scsi_debug_init);
 module_exit(scsi_debug_exit);
 
-static void pseudo_0_release(struct device * dev)
-{
-	if (SCSI_DEBUG_OPT_NOISE & scsi_debug_opts)
-		printk(KERN_INFO "scsi_debug: pseudo_0_release() called\n");
-}
-
-static struct device pseudo_primary = {
-	.bus_id		= "pseudo_0",
-	.release	= pseudo_0_release,
-};
-
-static int pseudo_lld_bus_match(struct device *dev,
-                          struct device_driver *dev_driver)
-{
-        return 1;
-}
-
-static struct bus_type pseudo_lld_bus = {
-        .name = "pseudo",
-        .match = pseudo_lld_bus_match,
-	.probe = sdebug_driver_probe,
-	.remove = sdebug_driver_remove,
-};
-
 static void sdebug_release_adapter(struct device * dev)
 {
         struct sdebug_host_info *sdbg_host;
@@ -3009,8 +2619,7 @@ static int sdebug_add_adapter(void)
 	int k, devs_per_host;
         int error = 0;
         struct sdebug_host_info *sdbg_host;
-        struct sdebug_dev_info *sdbg_devinfo;
-        struct list_head *lh, *lh_sf;
+	struct sdebug_dev_info *sdbg_devinfo, *tmp;
 
         sdbg_host = kzalloc(sizeof(*sdbg_host),GFP_KERNEL);
         if (NULL == sdbg_host) {
@@ -3023,16 +2632,13 @@ static int sdebug_add_adapter(void)
 
 	devs_per_host = scsi_debug_num_tgts * scsi_debug_max_luns;
         for (k = 0; k < devs_per_host; k++) {
-                sdbg_devinfo = kzalloc(sizeof(*sdbg_devinfo),GFP_KERNEL);
-                if (NULL == sdbg_devinfo) {
+		sdbg_devinfo = sdebug_device_create(sdbg_host, GFP_KERNEL);
+		if (!sdbg_devinfo) {
                         printk(KERN_ERR "%s: out of memory at line %d\n",
                                __FUNCTION__, __LINE__);
                         error = -ENOMEM;
 			goto clean;
                 }
-                sdbg_devinfo->sdbg_host = sdbg_host;
-                list_add_tail(&sdbg_devinfo->dev_list,
-                              &sdbg_host->dev_info_list);
         }
 
         spin_lock(&sdebug_host_list_lock);
@@ -3053,9 +2659,8 @@ static int sdebug_add_adapter(void)
         return error;
 
 clean:
-	list_for_each_safe(lh, lh_sf, &sdbg_host->dev_info_list) {
-		sdbg_devinfo = list_entry(lh, struct sdebug_dev_info,
-					  dev_list);
+	list_for_each_entry_safe(sdbg_devinfo, tmp, &sdbg_host->dev_info_list,
+				 dev_list) {
 		list_del(&sdbg_devinfo->dev_list);
 		kfree(sdbg_devinfo);
 	}
@@ -3083,6 +2688,263 @@ static void sdebug_remove_adapter(void)
         --scsi_debug_add_host;
 }
 
+static
+int scsi_debug_queuecommand(struct scsi_cmnd *SCpnt, done_funct_t done)
+{
+	unsigned char *cmd = (unsigned char *) SCpnt->cmnd;
+	int len, k;
+	unsigned int num;
+	unsigned long long lba;
+	int errsts = 0;
+	int target = SCpnt->device->id;
+	struct sdebug_dev_info *devip = NULL;
+	int inj_recovered = 0;
+	int inj_transport = 0;
+	int delay_override = 0;
+
+	scsi_set_resid(SCpnt, 0);
+	if ((SCSI_DEBUG_OPT_NOISE & scsi_debug_opts) && cmd) {
+		printk(KERN_INFO "scsi_debug: cmd ");
+		for (k = 0, len = SCpnt->cmd_len; k < len; ++k)
+			printk("%02x ", (int)cmd[k]);
+		printk("\n");
+	}
+
+	if (target == SCpnt->device->host->hostt->this_id) {
+		printk(KERN_INFO "scsi_debug: initiator's id used as "
+		       "target!\n");
+		return schedule_resp(SCpnt, NULL, done,
+				     DID_NO_CONNECT << 16, 0);
+	}
+
+	if ((SCpnt->device->lun >= scsi_debug_max_luns) &&
+	    (SCpnt->device->lun != SAM2_WLUN_REPORT_LUNS))
+		return schedule_resp(SCpnt, NULL, done,
+				     DID_NO_CONNECT << 16, 0);
+	devip = devInfoReg(SCpnt->device);
+	if (NULL == devip)
+		return schedule_resp(SCpnt, NULL, done,
+				     DID_NO_CONNECT << 16, 0);
+
+	if ((scsi_debug_every_nth != 0) &&
+	    (++scsi_debug_cmnd_count >= abs(scsi_debug_every_nth))) {
+		scsi_debug_cmnd_count = 0;
+		if (scsi_debug_every_nth < -1)
+			scsi_debug_every_nth = -1;
+		if (SCSI_DEBUG_OPT_TIMEOUT & scsi_debug_opts)
+			return 0; /* ignore command causing timeout */
+		else if (SCSI_DEBUG_OPT_RECOVERED_ERR & scsi_debug_opts)
+			inj_recovered = 1; /* to reads and writes below */
+		else if (SCSI_DEBUG_OPT_TRANSPORT_ERR & scsi_debug_opts)
+			inj_transport = 1; /* to reads and writes below */
+	}
+
+	if (devip->wlun) {
+		switch (*cmd) {
+		case INQUIRY:
+		case REQUEST_SENSE:
+		case TEST_UNIT_READY:
+		case REPORT_LUNS:
+			break;  /* only allowable wlun commands */
+		default:
+			if (SCSI_DEBUG_OPT_NOISE & scsi_debug_opts)
+				printk(KERN_INFO "scsi_debug: Opcode: 0x%x "
+				       "not supported for wlun\n", *cmd);
+			mk_sense_buffer(devip, ILLEGAL_REQUEST,
+					INVALID_OPCODE, 0);
+			errsts = check_condition_result;
+			return schedule_resp(SCpnt, devip, done, errsts,
+					     0);
+		}
+	}
+
+	switch (*cmd) {
+	case INQUIRY:     /* mandatory, ignore unit attention */
+		delay_override = 1;
+		errsts = resp_inquiry(SCpnt, target, devip);
+		break;
+	case REQUEST_SENSE:	/* mandatory, ignore unit attention */
+		delay_override = 1;
+		errsts = resp_requests(SCpnt, devip);
+		break;
+	case REZERO_UNIT:	/* actually this is REWIND for SSC */
+	case START_STOP:
+		errsts = resp_start_stop(SCpnt, devip);
+		break;
+	case ALLOW_MEDIUM_REMOVAL:
+		errsts = check_readiness(SCpnt, 1, devip);
+		if (errsts)
+			break;
+		if (SCSI_DEBUG_OPT_NOISE & scsi_debug_opts)
+			printk(KERN_INFO "scsi_debug: Medium removal %s\n",
+			       cmd[4] ? "inhibited" : "enabled");
+		break;
+	case SEND_DIAGNOSTIC:     /* mandatory */
+		errsts = check_readiness(SCpnt, 1, devip);
+		break;
+	case TEST_UNIT_READY:     /* mandatory */
+		delay_override = 1;
+		errsts = check_readiness(SCpnt, 0, devip);
+		break;
+	case RESERVE:
+		errsts = check_readiness(SCpnt, 1, devip);
+		break;
+	case RESERVE_10:
+		errsts = check_readiness(SCpnt, 1, devip);
+		break;
+	case RELEASE:
+		errsts = check_readiness(SCpnt, 1, devip);
+		break;
+	case RELEASE_10:
+		errsts = check_readiness(SCpnt, 1, devip);
+		break;
+	case READ_CAPACITY:
+		errsts = resp_readcap(SCpnt, devip);
+		break;
+	case SERVICE_ACTION_IN:
+		if (SAI_READ_CAPACITY_16 != cmd[1]) {
+			mk_sense_buffer(devip, ILLEGAL_REQUEST,
+					INVALID_OPCODE, 0);
+			errsts = check_condition_result;
+			break;
+		}
+		errsts = resp_readcap16(SCpnt, devip);
+		break;
+	case MAINTENANCE_IN:
+		if (MI_REPORT_TARGET_PGS != cmd[1]) {
+			mk_sense_buffer(devip, ILLEGAL_REQUEST,
+					INVALID_OPCODE, 0);
+			errsts = check_condition_result;
+			break;
+		}
+		errsts = resp_report_tgtpgs(SCpnt, devip);
+		break;
+	case READ_16:
+	case READ_12:
+	case READ_10:
+	case READ_6:
+		errsts = check_readiness(SCpnt, 0, devip);
+		if (errsts)
+			break;
+		if (scsi_debug_fake_rw)
+			break;
+		get_data_transfer_info(cmd, &lba, &num);
+		errsts = resp_read(SCpnt, lba, num, devip);
+		if (inj_recovered && (0 == errsts)) {
+			mk_sense_buffer(devip, RECOVERED_ERROR,
+					THRESHOLD_EXCEEDED, 0);
+			errsts = check_condition_result;
+		} else if (inj_transport && (0 == errsts)) {
+			mk_sense_buffer(devip, ABORTED_COMMAND,
+					TRANSPORT_PROBLEM, ACK_NAK_TO);
+			errsts = check_condition_result;
+		}
+		break;
+	case REPORT_LUNS:	/* mandatory, ignore unit attention */
+		delay_override = 1;
+		errsts = resp_report_luns(SCpnt, devip);
+		break;
+	case VERIFY:		/* 10 byte SBC-2 command */
+		errsts = check_readiness(SCpnt, 0, devip);
+		break;
+	case WRITE_16:
+	case WRITE_12:
+	case WRITE_10:
+	case WRITE_6:
+		errsts = check_readiness(SCpnt, 0, devip);
+		if (errsts)
+			break;
+		if (scsi_debug_fake_rw)
+			break;
+		get_data_transfer_info(cmd, &lba, &num);
+		errsts = resp_write(SCpnt, lba, num, devip);
+		if (inj_recovered && (0 == errsts)) {
+			mk_sense_buffer(devip, RECOVERED_ERROR,
+					THRESHOLD_EXCEEDED, 0);
+			errsts = check_condition_result;
+		}
+		break;
+	case MODE_SENSE:
+	case MODE_SENSE_10:
+		errsts = resp_mode_sense(SCpnt, target, devip);
+		break;
+	case MODE_SELECT:
+		errsts = resp_mode_select(SCpnt, 1, devip);
+		break;
+	case MODE_SELECT_10:
+		errsts = resp_mode_select(SCpnt, 0, devip);
+		break;
+	case LOG_SENSE:
+		errsts = resp_log_sense(SCpnt, devip);
+		break;
+	case SYNCHRONIZE_CACHE:
+		delay_override = 1;
+		errsts = check_readiness(SCpnt, 0, devip);
+		break;
+	case WRITE_BUFFER:
+		errsts = check_readiness(SCpnt, 1, devip);
+		break;
+	case XDWRITEREAD_10:
+		if (!scsi_bidi_cmnd(SCpnt)) {
+			mk_sense_buffer(devip, ILLEGAL_REQUEST,
+					INVALID_FIELD_IN_CDB, 0);
+			errsts = check_condition_result;
+			break;
+		}
+
+		errsts = check_readiness(SCpnt, 0, devip);
+		if (errsts)
+			break;
+		if (scsi_debug_fake_rw)
+			break;
+		get_data_transfer_info(cmd, &lba, &num);
+		errsts = resp_read(SCpnt, lba, num, devip);
+		if (errsts)
+			break;
+		errsts = resp_write(SCpnt, lba, num, devip);
+		if (errsts)
+			break;
+		errsts = resp_xdwriteread(SCpnt, lba, num, devip);
+		break;
+	default:
+		if (SCSI_DEBUG_OPT_NOISE & scsi_debug_opts)
+			printk(KERN_INFO "scsi_debug: Opcode: 0x%x not "
+			       "supported\n", *cmd);
+		errsts = check_readiness(SCpnt, 1, devip);
+		if (errsts)
+			break;	/* Unit attention takes precedence */
+		mk_sense_buffer(devip, ILLEGAL_REQUEST, INVALID_OPCODE, 0);
+		errsts = check_condition_result;
+		break;
+	}
+	return schedule_resp(SCpnt, devip, done, errsts,
+			     (delay_override ? 0 : scsi_debug_delay));
+}
+
+static struct scsi_host_template sdebug_driver_template = {
+	.proc_info =		scsi_debug_proc_info,
+	.proc_name =		sdebug_proc_name,
+	.name =			"SCSI DEBUG",
+	.info =			scsi_debug_info,
+	.slave_alloc =		scsi_debug_slave_alloc,
+	.slave_configure =	scsi_debug_slave_configure,
+	.slave_destroy =	scsi_debug_slave_destroy,
+	.ioctl =		scsi_debug_ioctl,
+	.queuecommand =		scsi_debug_queuecommand,
+	.eh_abort_handler =	scsi_debug_abort,
+	.eh_bus_reset_handler = scsi_debug_bus_reset,
+	.eh_device_reset_handler = scsi_debug_device_reset,
+	.eh_host_reset_handler = scsi_debug_host_reset,
+	.bios_param =		scsi_debug_biosparam,
+	.can_queue =		SCSI_DEBUG_CANQUEUE,
+	.this_id =		7,
+	.sg_tablesize =		256,
+	.cmd_per_lun =		16,
+	.max_sectors =		0xffff,
+	.use_clustering = 	DISABLE_CLUSTERING,
+	.module =		THIS_MODULE,
+};
+
 static int sdebug_driver_probe(struct device * dev)
 {
         int error = 0;
@@ -3120,9 +2982,8 @@ static int sdebug_driver_probe(struct device * dev)
 
 static int sdebug_driver_remove(struct device * dev)
 {
-        struct list_head *lh, *lh_sf;
         struct sdebug_host_info *sdbg_host;
-        struct sdebug_dev_info *sdbg_devinfo;
+	struct sdebug_dev_info *sdbg_devinfo, *tmp;
 
 	sdbg_host = to_sdebug_host(dev);
 
@@ -3134,9 +2995,8 @@ static int sdebug_driver_remove(struct device * dev)
 
         scsi_remove_host(sdbg_host->shost);
 
-        list_for_each_safe(lh, lh_sf, &sdbg_host->dev_info_list) {
-                sdbg_devinfo = list_entry(lh, struct sdebug_dev_info,
-                                          dev_list);
+	list_for_each_entry_safe(sdbg_devinfo, tmp, &sdbg_host->dev_info_list,
+				 dev_list) {
                 list_del(&sdbg_devinfo->dev_list);
                 kfree(sdbg_devinfo);
         }
@@ -3145,20 +3005,15 @@ static int sdebug_driver_remove(struct device * dev)
         return 0;
 }
 
-static void sdebug_max_tgts_luns(void)
+static int pseudo_lld_bus_match(struct device *dev,
+				struct device_driver *dev_driver)
 {
-	struct sdebug_host_info * sdbg_host;
-	struct Scsi_Host *hpnt;
-
-	spin_lock(&sdebug_host_list_lock);
-	list_for_each_entry(sdbg_host, &sdebug_host_list, host_list) {
-		hpnt = sdbg_host->shost;
-		if ((hpnt->this_id >= 0) &&
-		    (scsi_debug_num_tgts > hpnt->this_id))
-			hpnt->max_id = scsi_debug_num_tgts + 1;
-		else
-			hpnt->max_id = scsi_debug_num_tgts;
-		hpnt->max_lun = SAM2_WLUN_REPORT_LUNS; /* scsi_debug_max_luns; */
-	}
-	spin_unlock(&sdebug_host_list_lock);
+	return 1;
 }
+
+static struct bus_type pseudo_lld_bus = {
+	.name = "pseudo",
+	.match = pseudo_lld_bus_match,
+	.probe = sdebug_driver_probe,
+	.remove = sdebug_driver_remove,
+};
diff --git a/drivers/scsi/scsi_debug.h b/drivers/scsi/scsi_debug.h
deleted file mode 100644
index 965dd5e760c1..000000000000
--- a/drivers/scsi/scsi_debug.h
+++ /dev/null
@@ -1,24 +0,0 @@
-#ifndef _SCSI_DEBUG_H
-
-#include <linux/types.h>
-
-static int scsi_debug_slave_alloc(struct scsi_device *);
-static int scsi_debug_slave_configure(struct scsi_device *);
-static void scsi_debug_slave_destroy(struct scsi_device *);
-static int scsi_debug_queuecommand(struct scsi_cmnd *,
-				   void (*done) (struct scsi_cmnd *));
-static int scsi_debug_ioctl(struct scsi_device *, int, void __user *);
-static int scsi_debug_biosparam(struct scsi_device *, struct block_device *,
-		sector_t, int[]);
-static int scsi_debug_abort(struct scsi_cmnd *);
-static int scsi_debug_bus_reset(struct scsi_cmnd *);
-static int scsi_debug_device_reset(struct scsi_cmnd *);
-static int scsi_debug_host_reset(struct scsi_cmnd *);
-static int scsi_debug_proc_info(struct Scsi_Host *, char *, char **, off_t, int, int);
-static const char * scsi_debug_info(struct Scsi_Host *);
-
-#define SCSI_DEBUG_CANQUEUE  255 	/* needs to be >= 1 */
-
-#define SCSI_DEBUG_MAX_CMD_LEN 16
-
-#endif
diff --git a/drivers/scsi/scsi_error.c b/drivers/scsi/scsi_error.c
index 045a0868fc7b..221f31e36d26 100644
--- a/drivers/scsi/scsi_error.c
+++ b/drivers/scsi/scsi_error.c
@@ -524,6 +524,41 @@ static int scsi_try_bus_reset(struct scsi_cmnd *scmd)
 	return rtn;
 }
 
+static void __scsi_report_device_reset(struct scsi_device *sdev, void *data)
+{
+	sdev->was_reset = 1;
+	sdev->expecting_cc_ua = 1;
+}
+
+/**
+ * scsi_try_target_reset - Ask host to perform a target reset
+ * @scmd:	SCSI cmd used to send a target reset
+ *
+ * Notes:
+ *    There is no timeout for this operation.  if this operation is
+ *    unreliable for a given host, then the host itself needs to put a
+ *    timer on it, and set the host back to a consistent state prior to
+ *    returning.
+ */
+static int scsi_try_target_reset(struct scsi_cmnd *scmd)
+{
+	unsigned long flags;
+	int rtn;
+
+	if (!scmd->device->host->hostt->eh_target_reset_handler)
+		return FAILED;
+
+	rtn = scmd->device->host->hostt->eh_target_reset_handler(scmd);
+	if (rtn == SUCCESS) {
+		spin_lock_irqsave(scmd->device->host->host_lock, flags);
+		__starget_for_each_device(scsi_target(scmd->device), NULL,
+					  __scsi_report_device_reset);
+		spin_unlock_irqrestore(scmd->device->host->host_lock, flags);
+	}
+
+	return rtn;
+}
+
 /**
  * scsi_try_bus_device_reset - Ask host to perform a BDR on a dev
  * @scmd:	SCSI cmd used to send BDR
@@ -542,11 +577,8 @@ static int scsi_try_bus_device_reset(struct scsi_cmnd *scmd)
 		return FAILED;
 
 	rtn = scmd->device->host->hostt->eh_device_reset_handler(scmd);
-	if (rtn == SUCCESS) {
-		scmd->device->was_reset = 1;
-		scmd->device->expecting_cc_ua = 1;
-	}
-
+	if (rtn == SUCCESS)
+		__scsi_report_device_reset(scmd->device, NULL);
 	return rtn;
 }
 
@@ -584,8 +616,9 @@ static void scsi_abort_eh_cmnd(struct scsi_cmnd *scmd)
 {
 	if (__scsi_try_to_abort_cmd(scmd) != SUCCESS)
 		if (scsi_try_bus_device_reset(scmd) != SUCCESS)
-			if (scsi_try_bus_reset(scmd) != SUCCESS)
-				scsi_try_host_reset(scmd);
+			if (scsi_try_target_reset(scmd) != SUCCESS)
+				if (scsi_try_bus_reset(scmd) != SUCCESS)
+					scsi_try_host_reset(scmd);
 }
 
 /**
@@ -1060,6 +1093,56 @@ static int scsi_eh_bus_device_reset(struct Scsi_Host *shost,
 }
 
 /**
+ * scsi_eh_target_reset - send target reset if needed
+ * @shost:	scsi host being recovered.
+ * @work_q:     &list_head for pending commands.
+ * @done_q:	&list_head for processed commands.
+ *
+ * Notes:
+ *    Try a target reset.
+ */
+static int scsi_eh_target_reset(struct Scsi_Host *shost,
+				struct list_head *work_q,
+				struct list_head *done_q)
+{
+	struct scsi_cmnd *scmd, *tgtr_scmd, *next;
+	unsigned int id;
+	int rtn;
+
+	for (id = 0; id <= shost->max_id; id++) {
+		tgtr_scmd = NULL;
+		list_for_each_entry(scmd, work_q, eh_entry) {
+			if (id == scmd_id(scmd)) {
+				tgtr_scmd = scmd;
+				break;
+			}
+		}
+		if (!tgtr_scmd)
+			continue;
+
+		SCSI_LOG_ERROR_RECOVERY(3, printk("%s: Sending target reset "
+						  "to target %d\n",
+						  current->comm, id));
+		rtn = scsi_try_target_reset(tgtr_scmd);
+		if (rtn == SUCCESS) {
+			list_for_each_entry_safe(scmd, next, work_q, eh_entry) {
+				if (id == scmd_id(scmd))
+					if (!scsi_device_online(scmd->device) ||
+					    !scsi_eh_tur(tgtr_scmd))
+						scsi_eh_finish_cmd(scmd,
+								   done_q);
+			}
+		} else
+			SCSI_LOG_ERROR_RECOVERY(3, printk("%s: Target reset"
+							  " failed target: "
+							  "%d\n",
+							  current->comm, id));
+	}
+
+	return list_empty(work_q);
+}
+
+/**
  * scsi_eh_bus_reset - send a bus reset 
  * @shost:	&scsi host being recovered.
  * @work_q:     &list_head for pending commands.
@@ -1447,9 +1530,11 @@ void scsi_eh_ready_devs(struct Scsi_Host *shost,
 {
 	if (!scsi_eh_stu(shost, work_q, done_q))
 		if (!scsi_eh_bus_device_reset(shost, work_q, done_q))
-			if (!scsi_eh_bus_reset(shost, work_q, done_q))
-				if (!scsi_eh_host_reset(work_q, done_q))
-					scsi_eh_offline_sdevs(work_q, done_q);
+			if (!scsi_eh_target_reset(shost, work_q, done_q))
+				if (!scsi_eh_bus_reset(shost, work_q, done_q))
+					if (!scsi_eh_host_reset(work_q, done_q))
+						scsi_eh_offline_sdevs(work_q,
+								      done_q);
 }
 EXPORT_SYMBOL_GPL(scsi_eh_ready_devs);
 
@@ -1619,10 +1704,8 @@ void scsi_report_bus_reset(struct Scsi_Host *shost, int channel)
 	struct scsi_device *sdev;
 
 	__shost_for_each_device(sdev, shost) {
-		if (channel == sdev_channel(sdev)) {
-			sdev->was_reset = 1;
-			sdev->expecting_cc_ua = 1;
-		}
+		if (channel == sdev_channel(sdev))
+			__scsi_report_device_reset(sdev, NULL);
 	}
 }
 EXPORT_SYMBOL(scsi_report_bus_reset);
@@ -1655,10 +1738,8 @@ void scsi_report_device_reset(struct Scsi_Host *shost, int channel, int target)
 
 	__shost_for_each_device(sdev, shost) {
 		if (channel == sdev_channel(sdev) &&
-		    target == sdev_id(sdev)) {
-			sdev->was_reset = 1;
-			sdev->expecting_cc_ua = 1;
-		}
+		    target == sdev_id(sdev))
+			__scsi_report_device_reset(sdev, NULL);
 	}
 }
 EXPORT_SYMBOL(scsi_report_device_reset);
@@ -1714,6 +1795,11 @@ scsi_reset_provider(struct scsi_device *dev, int flag)
 		if (rtn == SUCCESS)
 			break;
 		/* FALLTHROUGH */
+	case SCSI_TRY_RESET_TARGET:
+		rtn = scsi_try_target_reset(scmd);
+		if (rtn == SUCCESS)
+			break;
+		/* FALLTHROUGH */
 	case SCSI_TRY_RESET_BUS:
 		rtn = scsi_try_bus_reset(scmd);
 		if (rtn == SUCCESS)
@@ -1907,3 +1993,31 @@ int scsi_get_sense_info_fld(const u8 * sense_buffer, int sb_len,
 	}
 }
 EXPORT_SYMBOL(scsi_get_sense_info_fld);
+
+/**
+ * scsi_build_sense_buffer - build sense data in a buffer
+ * @desc:	Sense format (non zero == descriptor format,
+ * 		0 == fixed format)
+ * @buf:	Where to build sense data
+ * @key:	Sense key
+ * @asc:	Additional sense code
+ * @ascq:	Additional sense code qualifier
+ *
+ **/
+void scsi_build_sense_buffer(int desc, u8 *buf, u8 key, u8 asc, u8 ascq)
+{
+	if (desc) {
+		buf[0] = 0x72;	/* descriptor, current */
+		buf[1] = key;
+		buf[2] = asc;
+		buf[3] = ascq;
+		buf[7] = 0;
+	} else {
+		buf[0] = 0x70;	/* fixed, current */
+		buf[2] = key;
+		buf[7] = 0xa;
+		buf[12] = asc;
+		buf[13] = ascq;
+	}
+}
+EXPORT_SYMBOL(scsi_build_sense_buffer);
diff --git a/drivers/scsi/scsi_lib.c b/drivers/scsi/scsi_lib.c
index f40898dc2d14..67f412bb4974 100644
--- a/drivers/scsi/scsi_lib.c
+++ b/drivers/scsi/scsi_lib.c
@@ -784,7 +784,7 @@ EXPORT_SYMBOL(scsi_release_buffers);
  * in req->data_len and req->next_rq->data_len. The upper-layer driver can
  * decide what to do with this information.
  */
-void scsi_end_bidi_request(struct scsi_cmnd *cmd)
+static void scsi_end_bidi_request(struct scsi_cmnd *cmd)
 {
 	struct request *req = cmd->request;
 	unsigned int dlen = req->data_len;
@@ -839,7 +839,7 @@ void scsi_io_completion(struct scsi_cmnd *cmd, unsigned int good_bytes)
 	int this_count = scsi_bufflen(cmd);
 	struct request_queue *q = cmd->device->request_queue;
 	struct request *req = cmd->request;
-	int clear_errors = 1;
+	int error = 0;
 	struct scsi_sense_hdr sshdr;
 	int sense_valid = 0;
 	int sense_deferred = 0;
@@ -853,7 +853,6 @@ void scsi_io_completion(struct scsi_cmnd *cmd, unsigned int good_bytes)
 	if (blk_pc_request(req)) { /* SG_IO ioctl from block level */
 		req->errors = result;
 		if (result) {
-			clear_errors = 0;
 			if (sense_valid && req->sense) {
 				/*
 				 * SG_IO wants current and deferred errors
@@ -865,6 +864,8 @@ void scsi_io_completion(struct scsi_cmnd *cmd, unsigned int good_bytes)
 				memcpy(req->sense, cmd->sense_buffer,  len);
 				req->sense_len = len;
 			}
+			if (!sense_deferred)
+				error = -EIO;
 		}
 		if (scsi_bidi_cmnd(cmd)) {
 			/* will also release_buffers */
@@ -885,14 +886,11 @@ void scsi_io_completion(struct scsi_cmnd *cmd, unsigned int good_bytes)
 				      "%d bytes done.\n",
 				      req->nr_sectors, good_bytes));
 
-	if (clear_errors)
-		req->errors = 0;
-
 	/* A number of bytes were successfully read.  If there
 	 * are leftovers and there is some kind of error
 	 * (result != 0), retry the rest.
 	 */
-	if (scsi_end_request(cmd, 0, good_bytes, result == 0) == NULL)
+	if (scsi_end_request(cmd, error, good_bytes, result == 0) == NULL)
 		return;
 
 	/* good_bytes = 0, or (inclusive) there were leftovers and
diff --git a/drivers/scsi/scsi_tgt_lib.c b/drivers/scsi/scsi_tgt_lib.c
index a0f308bd145b..ee8496aa0336 100644
--- a/drivers/scsi/scsi_tgt_lib.c
+++ b/drivers/scsi/scsi_tgt_lib.c
@@ -621,9 +621,7 @@ static int __init scsi_tgt_init(void)
 {
 	int err;
 
-	scsi_tgt_cmd_cache = kmem_cache_create("scsi_tgt_cmd",
-					       sizeof(struct scsi_tgt_cmd),
-					       0, 0, NULL);
+	scsi_tgt_cmd_cache =  KMEM_CACHE(scsi_tgt_cmd, 0);
 	if (!scsi_tgt_cmd_cache)
 		return -ENOMEM;
 
diff --git a/drivers/scsi/sgiwd93.c b/drivers/scsi/sgiwd93.c
index 26cfc56c7091..03e359670506 100644
--- a/drivers/scsi/sgiwd93.c
+++ b/drivers/scsi/sgiwd93.c
@@ -263,10 +263,11 @@ static int __init sgiwd93_probe(struct platform_device *pdev)
 	regs.SASR = wdregs + 3;
 	regs.SCMD = wdregs + 7;
 
-	wd33c93_init(host, regs, dma_setup, dma_stop, WD33C93_FS_MHZ(20));
+	hdata->wh.no_sync = 0;
+	hdata->wh.fast = 1;
+	hdata->wh.dma_mode = CTRL_BURST;
 
-	if (hdata->wh.no_sync == 0xff)
-		hdata->wh.no_sync = 0;
+	wd33c93_init(host, regs, dma_setup, dma_stop, WD33C93_FS_MHZ(20));
 
 	err = request_irq(irq, sgiwd93_intr, 0, "SGI WD93", host);
 	if (err) {
diff --git a/drivers/scsi/st.c b/drivers/scsi/st.c
index 0a52d9d2da2c..df83bea2c620 100644
--- a/drivers/scsi/st.c
+++ b/drivers/scsi/st.c
@@ -17,7 +17,7 @@
    Last modified: 18-JAN-1998 Richard Gooch <rgooch@atnf.csiro.au> Devfs support
  */
 
-static const char *verstr = "20080221";
+static const char *verstr = "20080224";
 
 #include <linux/module.h>
 
@@ -183,6 +183,7 @@ static int modes_defined;
 
 static struct st_buffer *new_tape_buffer(int, int, int);
 static int enlarge_buffer(struct st_buffer *, int, int);
+static void clear_buffer(struct st_buffer *);
 static void normalize_buffer(struct st_buffer *);
 static int append_to_buffer(const char __user *, struct st_buffer *, int);
 static int from_buffer(struct st_buffer *, char __user *, int);
@@ -442,6 +443,7 @@ static void st_sleep_done(void *data, char *sense, int result, int resid)
 
 	memcpy(SRpnt->sense, sense, SCSI_SENSE_BUFFERSIZE);
 	(STp->buffer)->cmdstat.midlevel_result = SRpnt->result = result;
+	(STp->buffer)->cmdstat.residual = resid;
 	DEB( STp->write_pending = 0; )
 
 	if (SRpnt->waiting)
@@ -626,7 +628,7 @@ static int cross_eof(struct scsi_tape * STp, int forward)
 
 
 /* Flush the write buffer (never need to write if variable blocksize). */
-static int flush_write_buffer(struct scsi_tape * STp)
+static int st_flush_write_buffer(struct scsi_tape * STp)
 {
 	int offset, transfer, blks;
 	int result;
@@ -717,7 +719,7 @@ static int flush_buffer(struct scsi_tape *STp, int seek_next)
 		return 0;
 	STps = &(STp->ps[STp->partition]);
 	if (STps->rw == ST_WRITING)	/* Writing */
-		return flush_write_buffer(STp);
+		return st_flush_write_buffer(STp);
 
 	if (STp->block_size == 0)
 		return 0;
@@ -1159,6 +1161,7 @@ static int st_open(struct inode *inode, struct file *filp)
 		goto err_out;
 	}
 
+	(STp->buffer)->cleared = 0;
 	(STp->buffer)->writing = 0;
 	(STp->buffer)->syscall_result = 0;
 
@@ -1211,7 +1214,7 @@ static int st_flush(struct file *filp, fl_owner_t id)
 		return 0;
 
 	if (STps->rw == ST_WRITING && !STp->pos_unknown) {
-		result = flush_write_buffer(STp);
+		result = st_flush_write_buffer(STp);
 		if (result != 0 && result != (-ENOSPC))
 			goto out;
 	}
@@ -1432,8 +1435,14 @@ static int setup_buffering(struct scsi_tape *STp, const char __user *buf,
 		if (STp->block_size)
 			bufsize = STp->block_size > st_fixed_buffer_size ?
 				STp->block_size : st_fixed_buffer_size;
-		else
+		else {
 			bufsize = count;
+			/* Make sure that data from previous user is not leaked even if
+			   HBA does not return correct residual */
+			if (is_read && STp->sili && !STbp->cleared)
+				clear_buffer(STbp);
+		}
+
 		if (bufsize > STbp->buffer_size &&
 		    !enlarge_buffer(STbp, bufsize, STp->restr_dma)) {
 			printk(KERN_WARNING "%s: Can't allocate %d byte tape buffer.\n",
@@ -1783,6 +1792,8 @@ static long read_tape(struct scsi_tape *STp, long count,
 	memset(cmd, 0, MAX_COMMAND_SIZE);
 	cmd[0] = READ_6;
 	cmd[1] = (STp->block_size != 0);
+	if (!cmd[1] && STp->sili)
+		cmd[1] |= 2;
 	cmd[2] = blks >> 16;
 	cmd[3] = blks >> 8;
 	cmd[4] = blks;
@@ -1911,8 +1922,11 @@ static long read_tape(struct scsi_tape *STp, long count,
 
 	}
 	/* End of error handling */ 
-	else			/* Read successful */
+	else {			/* Read successful */
 		STbp->buffer_bytes = bytes;
+		if (STp->sili) /* In fixed block mode residual is always zero here */
+			STbp->buffer_bytes -= STp->buffer->cmdstat.residual;
+	}
 
 	if (STps->drv_block >= 0) {
 		if (STp->block_size == 0)
@@ -2090,7 +2104,8 @@ static void st_log_options(struct scsi_tape * STp, struct st_modedef * STm, char
 		       name, STm->defaults_for_writes, STp->omit_blklims, STp->can_partitions,
 		       STp->scsi2_logical);
 		printk(KERN_INFO
-		       "%s:    sysv: %d nowait: %d\n", name, STm->sysv, STp->immediate);
+		       "%s:    sysv: %d nowait: %d sili: %d\n", name, STm->sysv, STp->immediate,
+			STp->sili);
 		printk(KERN_INFO "%s:    debugging: %d\n",
 		       name, debugging);
 	}
@@ -2133,6 +2148,7 @@ static int st_set_options(struct scsi_tape *STp, long options)
 		STp->scsi2_logical = (options & MT_ST_SCSI2LOGICAL) != 0;
 		STp->immediate = (options & MT_ST_NOWAIT) != 0;
 		STm->sysv = (options & MT_ST_SYSV) != 0;
+		STp->sili = (options & MT_ST_SILI) != 0;
 		DEB( debugging = (options & MT_ST_DEBUGGING) != 0;
 		     st_log_options(STp, STm, name); )
 	} else if (code == MT_ST_SETBOOLEANS || code == MT_ST_CLEARBOOLEANS) {
@@ -2164,6 +2180,8 @@ static int st_set_options(struct scsi_tape *STp, long options)
 			STp->immediate = value;
 		if ((options & MT_ST_SYSV) != 0)
 			STm->sysv = value;
+		if ((options & MT_ST_SILI) != 0)
+			STp->sili = value;
                 DEB(
 		if ((options & MT_ST_DEBUGGING) != 0)
 			debugging = value;
@@ -3655,6 +3673,8 @@ static int enlarge_buffer(struct st_buffer * STbuffer, int new_size, int need_dm
 		STbuffer->frp_segs += 1;
 		got += b_size;
 		STbuffer->buffer_size = got;
+		if (STbuffer->cleared)
+			memset(page_address(STbuffer->frp[segs].page), 0, b_size);
 		segs++;
 	}
 	STbuffer->b_data = page_address(STbuffer->frp[0].page);
@@ -3663,6 +3683,17 @@ static int enlarge_buffer(struct st_buffer * STbuffer, int new_size, int need_dm
 }
 
 
+/* Make sure that no data from previous user is in the internal buffer */
+static void clear_buffer(struct st_buffer * st_bp)
+{
+	int i;
+
+	for (i=0; i < st_bp->frp_segs; i++)
+		memset(page_address(st_bp->frp[i].page), 0, st_bp->frp[i].length);
+	st_bp->cleared = 1;
+}
+
+
 /* Release the extra buffer */
 static void normalize_buffer(struct st_buffer * STbuffer)
 {
@@ -3987,6 +4018,7 @@ static int st_probe(struct device *dev)
 	tpnt->two_fm = ST_TWO_FM;
 	tpnt->fast_mteom = ST_FAST_MTEOM;
 	tpnt->scsi2_logical = ST_SCSI2LOGICAL;
+	tpnt->sili = ST_SILI;
 	tpnt->immediate = ST_NOWAIT;
 	tpnt->default_drvbuffer = 0xff;		/* No forced buffering */
 	tpnt->partition = 0;
@@ -4333,6 +4365,46 @@ static ssize_t st_defcompression_show(struct class_device *class_dev, char *buf)
 
 CLASS_DEVICE_ATTR(default_compression, S_IRUGO, st_defcompression_show, NULL);
 
+static ssize_t st_options_show(struct class_device *class_dev, char *buf)
+{
+	struct st_modedef *STm = (struct st_modedef *)class_get_devdata(class_dev);
+	struct scsi_tape *STp;
+	int i, j, options;
+	ssize_t l = 0;
+
+	for (i=0; i < st_dev_max; i++) {
+		for (j=0; j < ST_NBR_MODES; j++)
+			if (&scsi_tapes[i]->modes[j] == STm)
+				break;
+		if (j < ST_NBR_MODES)
+			break;
+	}
+	if (i == st_dev_max)
+		return 0;  /* should never happen */
+
+	STp = scsi_tapes[i];
+
+	options = STm->do_buffer_writes ? MT_ST_BUFFER_WRITES : 0;
+	options |= STm->do_async_writes ? MT_ST_ASYNC_WRITES : 0;
+	options |= STm->do_read_ahead ? MT_ST_READ_AHEAD : 0;
+	DEB( options |= debugging ? MT_ST_DEBUGGING : 0 );
+	options |= STp->two_fm ? MT_ST_TWO_FM : 0;
+	options |= STp->fast_mteom ? MT_ST_FAST_MTEOM : 0;
+	options |= STm->defaults_for_writes ? MT_ST_DEF_WRITES : 0;
+	options |= STp->can_bsr ? MT_ST_CAN_BSR : 0;
+	options |= STp->omit_blklims ? MT_ST_NO_BLKLIMS : 0;
+	options |= STp->can_partitions ? MT_ST_CAN_PARTITIONS : 0;
+	options |= STp->scsi2_logical ? MT_ST_SCSI2LOGICAL : 0;
+	options |= STm->sysv ? MT_ST_SYSV : 0;
+	options |= STp->immediate ? MT_ST_NOWAIT : 0;
+	options |= STp->sili ? MT_ST_SILI : 0;
+
+	l = snprintf(buf, PAGE_SIZE, "0x%08x\n", options);
+	return l;
+}
+
+CLASS_DEVICE_ATTR(options, S_IRUGO, st_options_show, NULL);
+
 static int do_create_class_files(struct scsi_tape *STp, int dev_num, int mode)
 {
 	int i, rew, error;
@@ -4370,6 +4442,9 @@ static int do_create_class_files(struct scsi_tape *STp, int dev_num, int mode)
 		error = class_device_create_file(st_class_member,
 				        &class_device_attr_default_compression);
 		if (error) goto out;
+		error = class_device_create_file(st_class_member,
+				        &class_device_attr_options);
+		if (error) goto out;
 
 		if (mode == 0 && rew == 0) {
 			error = sysfs_create_link(&STp->device->sdev_gendev.kobj,
diff --git a/drivers/scsi/st.h b/drivers/scsi/st.h
index 5931726fcf93..b92712f95931 100644
--- a/drivers/scsi/st.h
+++ b/drivers/scsi/st.h
@@ -12,6 +12,7 @@ struct st_cmdstatus {
 	int midlevel_result;
 	struct scsi_sense_hdr sense_hdr;
 	int have_sense;
+	int residual;
 	u64 uremainder64;
 	u8 flags;
 	u8 remainder_valid;
@@ -34,6 +35,7 @@ struct st_request {
 struct st_buffer {
 	unsigned char dma;	/* DMA-able buffer */
 	unsigned char do_dio;   /* direct i/o set up? */
+	unsigned char cleared;  /* internal buffer cleared after open? */
 	int buffer_size;
 	int buffer_blocks;
 	int buffer_bytes;
@@ -122,6 +124,7 @@ struct scsi_tape {
 	unsigned char try_dio_now;		/* try direct i/o before next close? */
 	unsigned char c_algo;			/* compression algorithm */
 	unsigned char pos_unknown;			/* after reset position unknown */
+	unsigned char sili;			/* use SILI when reading in variable b mode */
 	int tape_type;
 	int long_timeout;	/* timeout for commands known to take long time */
 
diff --git a/drivers/scsi/st_options.h b/drivers/scsi/st_options.h
index b6b5c9c37677..d2f947935554 100644
--- a/drivers/scsi/st_options.h
+++ b/drivers/scsi/st_options.h
@@ -3,7 +3,7 @@
 
    Copyright 1995-2003 Kai Makisara.
 
-   Last modified: Mon Apr  7 22:49:18 2003 by makisara
+   Last modified: Thu Feb 21 21:47:07 2008 by kai.makisara
 */
 
 #ifndef _ST_OPTIONS_H
@@ -94,6 +94,10 @@
    The default is BSD semantics. */
 #define ST_SYSV 0
 
+/* If ST_SILI is non-zero, the SILI bit is set when reading in variable block
+   mode and the block size is determined using the residual returned by the HBA. */
+#define ST_SILI 0
+
 /* Time to wait for the drive to become ready if blocking open */
 #define ST_BLOCK_SECONDS     120
 
diff --git a/drivers/scsi/stex.c b/drivers/scsi/stex.c
index 654430edf74d..f308a0308829 100644
--- a/drivers/scsi/stex.c
+++ b/drivers/scsi/stex.c
@@ -33,6 +33,7 @@
 #include <scsi/scsi_host.h>
 #include <scsi/scsi_tcq.h>
 #include <scsi/scsi_dbg.h>
+#include <scsi/scsi_eh.h>
 
 #define DRV_NAME "stex"
 #define ST_DRIVER_VERSION "3.6.0000.1"
@@ -362,22 +363,14 @@ static struct status_msg *stex_get_status(struct st_hba *hba)
 	return status;
 }
 
-static void stex_set_sense(struct scsi_cmnd *cmd, u8 sk, u8 asc, u8 ascq)
-{
-	cmd->result = (DRIVER_SENSE << 24) | SAM_STAT_CHECK_CONDITION;
-
-	cmd->sense_buffer[0] = 0x70;    /* fixed format, current */
-	cmd->sense_buffer[2] = sk;
-	cmd->sense_buffer[7] = 18 - 8;  /* additional sense length */
-	cmd->sense_buffer[12] = asc;
-	cmd->sense_buffer[13] = ascq;
-}
-
 static void stex_invalid_field(struct scsi_cmnd *cmd,
 			       void (*done)(struct scsi_cmnd *))
 {
+	cmd->result = (DRIVER_SENSE << 24) | SAM_STAT_CHECK_CONDITION;
+
 	/* "Invalid field in cbd" */
-	stex_set_sense(cmd, ILLEGAL_REQUEST, 0x24, 0x0);
+	scsi_build_sense_buffer(0, cmd->sense_buffer, ILLEGAL_REQUEST, 0x24,
+				0x0);
 	done(cmd);
 }
 
@@ -426,49 +419,13 @@ static int stex_map_sg(struct st_hba *hba,
 	return 0;
 }
 
-static void stex_internal_copy(struct scsi_cmnd *cmd,
-	const void *src, size_t *count, int sg_count, int direction)
-{
-	size_t lcount;
-	size_t len;
-	void *s, *d, *base = NULL;
-	size_t offset;
-
-	if (*count > scsi_bufflen(cmd))
-		*count = scsi_bufflen(cmd);
-	lcount = *count;
-	while (lcount) {
-		len = lcount;
-		s = (void *)src;
-
-		offset = *count - lcount;
-		s += offset;
-		base = scsi_kmap_atomic_sg(scsi_sglist(cmd),
-					   sg_count, &offset, &len);
-		if (!base) {
-			*count -= lcount;
-			return;
-		}
-		d = base + offset;
-
-		if (direction == ST_TO_CMD)
-			memcpy(d, s, len);
-		else
-			memcpy(s, d, len);
-
-		lcount -= len;
-		scsi_kunmap_atomic_sg(base);
-	}
-}
-
 static void stex_controller_info(struct st_hba *hba, struct st_ccb *ccb)
 {
 	struct st_frame *p;
 	size_t count = sizeof(struct st_frame);
 
 	p = hba->copy_buffer;
-	stex_internal_copy(ccb->cmd, p, &count, scsi_sg_count(ccb->cmd),
-			   ST_FROM_CMD);
+	count = scsi_sg_copy_to_buffer(ccb->cmd, p, count);
 	memset(p->base, 0, sizeof(u32)*6);
 	*(unsigned long *)(p->base) = pci_resource_start(hba->pdev, 0);
 	p->rom_addr = 0;
@@ -486,8 +443,7 @@ static void stex_controller_info(struct st_hba *hba, struct st_ccb *ccb)
 	p->subid =
 		hba->pdev->subsystem_vendor << 16 | hba->pdev->subsystem_device;
 
-	stex_internal_copy(ccb->cmd, p, &count, scsi_sg_count(ccb->cmd),
-			   ST_TO_CMD);
+	count = scsi_sg_copy_from_buffer(ccb->cmd, p, count);
 }
 
 static void
@@ -554,10 +510,8 @@ stex_queuecommand(struct scsi_cmnd *cmd, void (* done)(struct scsi_cmnd *))
 		unsigned char page;
 		page = cmd->cmnd[2] & 0x3f;
 		if (page == 0x8 || page == 0x3f) {
-			size_t cp_len = sizeof(ms10_caching_page);
-			stex_internal_copy(cmd, ms10_caching_page,
-					   &cp_len, scsi_sg_count(cmd),
-					   ST_TO_CMD);
+			scsi_sg_copy_from_buffer(cmd, ms10_caching_page,
+						 sizeof(ms10_caching_page));
 			cmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8;
 			done(cmd);
 		} else
@@ -586,10 +540,8 @@ stex_queuecommand(struct scsi_cmnd *cmd, void (* done)(struct scsi_cmnd *))
 		if (id != host->max_id - 1)
 			break;
 		if (lun == 0 && (cmd->cmnd[1] & INQUIRY_EVPD) == 0) {
-			size_t cp_len = sizeof(console_inq_page);
-			stex_internal_copy(cmd, console_inq_page,
-					   &cp_len, scsi_sg_count(cmd),
-					   ST_TO_CMD);
+			scsi_sg_copy_from_buffer(cmd, (void *)console_inq_page,
+						 sizeof(console_inq_page));
 			cmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8;
 			done(cmd);
 		} else
@@ -606,8 +558,7 @@ stex_queuecommand(struct scsi_cmnd *cmd, void (* done)(struct scsi_cmnd *))
 			ver.signature[0] = PASSTHRU_SIGNATURE;
 			ver.console_id = host->max_id - 1;
 			ver.host_no = hba->host->host_no;
-			stex_internal_copy(cmd, &ver, &cp_len,
-					   scsi_sg_count(cmd), ST_TO_CMD);
+			cp_len = scsi_sg_copy_from_buffer(cmd, &ver, cp_len);
 			cmd->result = sizeof(ver) == cp_len ?
 				DID_OK << 16 | COMMAND_COMPLETE << 8 :
 				DID_ERROR << 16 | COMMAND_COMPLETE << 8;
@@ -700,15 +651,12 @@ static void stex_copy_data(struct st_ccb *ccb,
 
 	if (ccb->cmd == NULL)
 		return;
-	stex_internal_copy(ccb->cmd,
-		resp->variable, &count, scsi_sg_count(ccb->cmd), ST_TO_CMD);
+	count = scsi_sg_copy_from_buffer(ccb->cmd, resp->variable, count);
 }
 
 static void stex_ys_commands(struct st_hba *hba,
 	struct st_ccb *ccb, struct status_msg *resp)
 {
-	size_t count;
-
 	if (ccb->cmd->cmnd[0] == MGT_CMD &&
 		resp->scsi_status != SAM_STAT_CHECK_CONDITION) {
 		scsi_set_resid(ccb->cmd, scsi_bufflen(ccb->cmd) -
@@ -724,9 +672,8 @@ static void stex_ys_commands(struct st_hba *hba,
 		resp->scsi_status == SAM_STAT_GOOD) {
 		ST_INQ *inq_data;
 
-		count = STEX_EXTRA_SIZE;
-		stex_internal_copy(ccb->cmd, hba->copy_buffer,
-			&count, scsi_sg_count(ccb->cmd), ST_FROM_CMD);
+		scsi_sg_copy_to_buffer(ccb->cmd, hba->copy_buffer,
+				       STEX_EXTRA_SIZE);
 		inq_data = (ST_INQ *)hba->copy_buffer;
 		if (inq_data->DeviceTypeQualifier != 0)
 			ccb->srb_status = SRB_STATUS_SELECTION_TIMEOUT;
diff --git a/drivers/scsi/sun3_scsi_vme.c b/drivers/scsi/sun3_scsi_vme.c
index 02d9727f017a..aaa4fd0dd1b9 100644
--- a/drivers/scsi/sun3_scsi_vme.c
+++ b/drivers/scsi/sun3_scsi_vme.c
@@ -582,3 +582,4 @@ static struct scsi_host_template driver_template = {
 
 #include "scsi_module.c"
 
+MODULE_LICENSE("GPL");
diff --git a/drivers/scsi/wd33c93.c b/drivers/scsi/wd33c93.c
index f286c37da7e0..5fda881c2470 100644
--- a/drivers/scsi/wd33c93.c
+++ b/drivers/scsi/wd33c93.c
@@ -1973,10 +1973,7 @@ wd33c93_init(struct Scsi_Host *instance, const wd33c93_regs regs,
 	hostdata->incoming_ptr = 0;
 	hostdata->outgoing_len = 0;
 	hostdata->default_sx_per = DEFAULT_SX_PER;
-	hostdata->no_sync = 0xff;	/* sync defaults to off */
 	hostdata->no_dma = 0;	/* default is DMA enabled */
-	hostdata->fast = 0;	/* default is Fast SCSI transfers disabled */
-	hostdata->dma_mode = CTRL_DMA;	/* default is Single Byte DMA */
 
 #ifdef PROC_INTERFACE
 	hostdata->proc = PR_VERSION | PR_INFO | PR_STATISTICS |
diff --git a/include/linux/attribute_container.h b/include/linux/attribute_container.h
index f5582332af04..574b201b99d8 100644
--- a/include/linux/attribute_container.h
+++ b/include/linux/attribute_container.h
@@ -37,7 +37,7 @@ attribute_container_set_no_classdevs(struct attribute_container *atc)
 }
 
 int attribute_container_register(struct attribute_container *cont);
-int attribute_container_unregister(struct attribute_container *cont);
+int __must_check attribute_container_unregister(struct attribute_container *cont);
 void attribute_container_create_device(struct device *dev,
 				       int (*fn)(struct attribute_container *,
 						 struct device *,
diff --git a/include/linux/mtio.h b/include/linux/mtio.h
index 6f8d2d45a8fb..ef01d6aa5934 100644
--- a/include/linux/mtio.h
+++ b/include/linux/mtio.h
@@ -192,6 +192,7 @@ struct	mtpos {
 #define MT_ST_SCSI2LOGICAL      0x800
 #define MT_ST_SYSV              0x1000
 #define MT_ST_NOWAIT            0x2000
+#define MT_ST_SILI		0x4000
 
 /* The mode parameters to be controlled. Parameter chosen with bits 20-28 */
 #define MT_ST_CLEAR_DEFAULT	0xfffff
diff --git a/include/linux/scatterlist.h b/include/linux/scatterlist.h
index a3d567a974e8..71fc81360048 100644
--- a/include/linux/scatterlist.h
+++ b/include/linux/scatterlist.h
@@ -213,6 +213,11 @@ int __sg_alloc_table(struct sg_table *, unsigned int, unsigned int, gfp_t,
 		     sg_alloc_fn *);
 int sg_alloc_table(struct sg_table *, unsigned int, gfp_t);
 
+size_t sg_copy_from_buffer(struct scatterlist *sgl, unsigned int nents,
+			   void *buf, size_t buflen);
+size_t sg_copy_to_buffer(struct scatterlist *sgl, unsigned int nents,
+			 void *buf, size_t buflen);
+
 /*
  * Maximum number of entries that will be allocated in one piece, if
  * a list larger than this is required then chaining will be utilized.
diff --git a/include/linux/transport_class.h b/include/linux/transport_class.h
index 1d6cc22e5f42..6696cf79c4f7 100644
--- a/include/linux/transport_class.h
+++ b/include/linux/transport_class.h
@@ -86,9 +86,10 @@ static inline int transport_container_register(struct transport_container *tc)
 	return attribute_container_register(&tc->ac);
 }
 
-static inline int transport_container_unregister(struct transport_container *tc)
+static inline void transport_container_unregister(struct transport_container *tc)
 {
-	return attribute_container_unregister(&tc->ac);
+	if (unlikely(attribute_container_unregister(&tc->ac)))
+		BUG();
 }
 
 int transport_class_register(struct transport_class *);
diff --git a/include/scsi/iscsi_proto.h b/include/scsi/iscsi_proto.h
index 5ffec8ad6964..e0593bfae622 100644
--- a/include/scsi/iscsi_proto.h
+++ b/include/scsi/iscsi_proto.h
@@ -112,6 +112,7 @@ struct iscsi_ahs_hdr {
 
 #define ISCSI_AHSTYPE_CDB		1
 #define ISCSI_AHSTYPE_RLENGTH		2
+#define ISCSI_CDB_SIZE			16
 
 /* iSCSI PDU Header */
 struct iscsi_cmd {
@@ -125,7 +126,7 @@ struct iscsi_cmd {
 	__be32 data_length;
 	__be32 cmdsn;
 	__be32 exp_statsn;
-	uint8_t cdb[16];	/* SCSI Command Block */
+	uint8_t cdb[ISCSI_CDB_SIZE];	/* SCSI Command Block */
 	/* Additional Data (Command Dependent) */
 };
 
@@ -154,7 +155,8 @@ struct iscsi_ecdb_ahdr {
 	__be16 ahslength;	/* CDB length - 15, including reserved byte */
 	uint8_t ahstype;
 	uint8_t reserved;
-	uint8_t ecdb[260 - 16];	/* 4-byte aligned extended CDB spillover */
+	/* 4-byte aligned extended CDB spillover */
+	uint8_t ecdb[260 - ISCSI_CDB_SIZE];
 };
 
 /* SCSI Response Header */
diff --git a/include/scsi/libsas.h b/include/scsi/libsas.h
index 39e1cac24bb7..98724ba65a79 100644
--- a/include/scsi/libsas.h
+++ b/include/scsi/libsas.h
@@ -677,4 +677,6 @@ extern void sas_ssp_task_response(struct device *dev, struct sas_task *task,
 				  struct ssp_response_iu *iu);
 struct sas_phy *sas_find_local_phy(struct domain_device *dev);
 
+int sas_request_addr(struct Scsi_Host *shost, u8 *addr);
+
 #endif /* _SASLIB_H_ */
diff --git a/include/scsi/sas_ata.h b/include/scsi/sas_ata.h
index dd5edc915417..c583193ae929 100644
--- a/include/scsi/sas_ata.h
+++ b/include/scsi/sas_ata.h
@@ -47,12 +47,12 @@ static inline int dev_is_sata(struct domain_device *dev)
 {
 	return 0;
 }
-int sas_ata_init_host_and_port(struct domain_device *found_dev,
+static inline int sas_ata_init_host_and_port(struct domain_device *found_dev,
 			       struct scsi_target *starget)
 {
 	return 0;
 }
-void sas_ata_task_abort(struct sas_task *task)
+static inline void sas_ata_task_abort(struct sas_task *task)
 {
 }
 #endif
diff --git a/include/scsi/scsi_cmnd.h b/include/scsi/scsi_cmnd.h
index de28aab820b0..8d20e60a94b7 100644
--- a/include/scsi/scsi_cmnd.h
+++ b/include/scsi/scsi_cmnd.h
@@ -130,6 +130,9 @@ extern void scsi_release_buffers(struct scsi_cmnd *cmd);
 extern int scsi_dma_map(struct scsi_cmnd *cmd);
 extern void scsi_dma_unmap(struct scsi_cmnd *cmd);
 
+struct scsi_cmnd *scsi_allocate_command(gfp_t gfp_mask);
+void scsi_free_command(gfp_t gfp_mask, struct scsi_cmnd *cmd);
+
 static inline unsigned scsi_sg_count(struct scsi_cmnd *cmd)
 {
 	return cmd->sdb.table.nents;
@@ -175,4 +178,18 @@ static inline struct scsi_data_buffer *scsi_out(struct scsi_cmnd *cmd)
 	return &cmd->sdb;
 }
 
+static inline int scsi_sg_copy_from_buffer(struct scsi_cmnd *cmd,
+					   void *buf, int buflen)
+{
+	return sg_copy_from_buffer(scsi_sglist(cmd), scsi_sg_count(cmd),
+				   buf, buflen);
+}
+
+static inline int scsi_sg_copy_to_buffer(struct scsi_cmnd *cmd,
+					 void *buf, int buflen)
+{
+	return sg_copy_to_buffer(scsi_sglist(cmd), scsi_sg_count(cmd),
+				 buf, buflen);
+}
+
 #endif /* _SCSI_SCSI_CMND_H */
diff --git a/include/scsi/scsi_eh.h b/include/scsi/scsi_eh.h
index 25071d5d9bf8..d3a133b4a072 100644
--- a/include/scsi/scsi_eh.h
+++ b/include/scsi/scsi_eh.h
@@ -57,13 +57,16 @@ extern const u8 * scsi_sense_desc_find(const u8 * sense_buffer, int sb_len,
 
 extern int scsi_get_sense_info_fld(const u8 * sense_buffer, int sb_len,
 				   u64 * info_out);
- 
+
+extern void scsi_build_sense_buffer(int desc, u8 *buf, u8 key, u8 asc, u8 ascq);
+
 /*
  * Reset request from external source
  */
 #define SCSI_TRY_RESET_DEVICE	1
 #define SCSI_TRY_RESET_BUS	2
 #define SCSI_TRY_RESET_HOST	3
+#define SCSI_TRY_RESET_TARGET	4
 
 extern int scsi_reset_provider(struct scsi_device *, int);
 
diff --git a/include/scsi/scsi_host.h b/include/scsi/scsi_host.h
index 530ff4c553f8..49132862bfaa 100644
--- a/include/scsi/scsi_host.h
+++ b/include/scsi/scsi_host.h
@@ -172,6 +172,7 @@ struct scsi_host_template {
 	 */
 	int (* eh_abort_handler)(struct scsi_cmnd *);
 	int (* eh_device_reset_handler)(struct scsi_cmnd *);
+	int (* eh_target_reset_handler)(struct scsi_cmnd *);
 	int (* eh_bus_reset_handler)(struct scsi_cmnd *);
 	int (* eh_host_reset_handler)(struct scsi_cmnd *);
 
diff --git a/lib/scatterlist.c b/lib/scatterlist.c
index acca4901046c..b80c21100d78 100644
--- a/lib/scatterlist.c
+++ b/lib/scatterlist.c
@@ -8,6 +8,7 @@
  */
 #include <linux/module.h>
 #include <linux/scatterlist.h>
+#include <linux/highmem.h>
 
 /**
  * sg_next - return the next scatterlist entry in a list
@@ -292,3 +293,104 @@ int sg_alloc_table(struct sg_table *table, unsigned int nents, gfp_t gfp_mask)
 	return ret;
 }
 EXPORT_SYMBOL(sg_alloc_table);
+
+/**
+ * sg_copy_buffer - Copy data between a linear buffer and an SG list
+ * @sgl:		 The SG list
+ * @nents:		 Number of SG entries
+ * @buf:		 Where to copy from
+ * @buflen:		 The number of bytes to copy
+ * @to_buffer: 		 transfer direction (non zero == from an sg list to a
+ * 			 buffer, 0 == from a buffer to an sg list
+ *
+ * Returns the number of copied bytes.
+ *
+ **/
+static size_t sg_copy_buffer(struct scatterlist *sgl, unsigned int nents,
+			     void *buf, size_t buflen, int to_buffer)
+{
+	struct scatterlist *sg;
+	size_t buf_off = 0;
+	int i;
+
+	WARN_ON(!irqs_disabled());
+
+	for_each_sg(sgl, sg, nents, i) {
+		struct page *page;
+		int n = 0;
+		unsigned int sg_off = sg->offset;
+		unsigned int sg_copy = sg->length;
+
+		if (sg_copy > buflen)
+			sg_copy = buflen;
+		buflen -= sg_copy;
+
+		while (sg_copy > 0) {
+			unsigned int page_copy;
+			void *p;
+
+			page_copy = PAGE_SIZE - sg_off;
+			if (page_copy > sg_copy)
+				page_copy = sg_copy;
+
+			page = nth_page(sg_page(sg), n);
+			p = kmap_atomic(page, KM_BIO_SRC_IRQ);
+
+			if (to_buffer)
+				memcpy(buf + buf_off, p + sg_off, page_copy);
+			else {
+				memcpy(p + sg_off, buf + buf_off, page_copy);
+				flush_kernel_dcache_page(page);
+			}
+
+			kunmap_atomic(p, KM_BIO_SRC_IRQ);
+
+			buf_off += page_copy;
+			sg_off += page_copy;
+			if (sg_off == PAGE_SIZE) {
+				sg_off = 0;
+				n++;
+			}
+			sg_copy -= page_copy;
+		}
+
+		if (!buflen)
+			break;
+	}
+
+	return buf_off;
+}
+
+/**
+ * sg_copy_from_buffer - Copy from a linear buffer to an SG list
+ * @sgl:		 The SG list
+ * @nents:		 Number of SG entries
+ * @buf:		 Where to copy from
+ * @buflen:		 The number of bytes to copy
+ *
+ * Returns the number of copied bytes.
+ *
+ **/
+size_t sg_copy_from_buffer(struct scatterlist *sgl, unsigned int nents,
+			   void *buf, size_t buflen)
+{
+	return sg_copy_buffer(sgl, nents, buf, buflen, 0);
+}
+EXPORT_SYMBOL(sg_copy_from_buffer);
+
+/**
+ * sg_copy_to_buffer - Copy from an SG list to a linear buffer
+ * @sgl:		 The SG list
+ * @nents:		 Number of SG entries
+ * @buf:		 Where to copy to
+ * @buflen:		 The number of bytes to copy
+ *
+ * Returns the number of copied bytes.
+ *
+ **/
+size_t sg_copy_to_buffer(struct scatterlist *sgl, unsigned int nents,
+			 void *buf, size_t buflen)
+{
+	return sg_copy_buffer(sgl, nents, buf, buflen, 1);
+}
+EXPORT_SYMBOL(sg_copy_to_buffer);