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path: root/drivers/scsi/aacraid/linit.c
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Diffstat (limited to 'drivers/scsi/aacraid/linit.c')
-rw-r--r--drivers/scsi/aacraid/linit.c65
1 files changed, 59 insertions, 6 deletions
diff --git a/drivers/scsi/aacraid/linit.c b/drivers/scsi/aacraid/linit.c
index 0f948c2fb609..350ea7feb61d 100644
--- a/drivers/scsi/aacraid/linit.c
+++ b/drivers/scsi/aacraid/linit.c
@@ -5,7 +5,7 @@
* based on the old aacraid driver that is..
* Adaptec aacraid device driver for Linux.
*
- * Copyright (c) 2000 Adaptec, Inc. (aacraid@adaptec.com)
+ * Copyright (c) 2000-2007 Adaptec, Inc. (aacraid@adaptec.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
@@ -82,8 +82,6 @@ static LIST_HEAD(aac_devices);
static int aac_cfg_major = -1;
char aac_driver_version[] = AAC_DRIVER_FULL_VERSION;
-extern int expose_physicals;
-
/*
* Because of the way Linux names scsi devices, the order in this table has
* become important. Check for on-board Raid first, add-in cards second.
@@ -247,7 +245,19 @@ static struct aac_driver_ident aac_drivers[] = {
static int aac_queuecommand(struct scsi_cmnd *cmd, void (*done)(struct scsi_cmnd *))
{
+ struct Scsi_Host *host = cmd->device->host;
+ struct aac_dev *dev = (struct aac_dev *)host->hostdata;
+ u32 count = 0;
cmd->scsi_done = done;
+ for (; count < (host->can_queue + AAC_NUM_MGT_FIB); ++count) {
+ struct fib * fib = &dev->fibs[count];
+ struct scsi_cmnd * command;
+ if (fib->hw_fib_va->header.XferState &&
+ ((command = fib->callback_data)) &&
+ (command == cmd) &&
+ (cmd->SCp.phase == AAC_OWNER_FIRMWARE))
+ return 0; /* Already owned by Adapter */
+ }
cmd->SCp.phase = AAC_OWNER_LOWLEVEL;
return (aac_scsi_cmd(cmd) ? FAILED : 0);
}
@@ -446,6 +456,40 @@ static int aac_ioctl(struct scsi_device *sdev, int cmd, void __user * arg)
return aac_do_ioctl(dev, cmd, arg);
}
+static int aac_eh_abort(struct scsi_cmnd* cmd)
+{
+ struct scsi_device * dev = cmd->device;
+ struct Scsi_Host * host = dev->host;
+ struct aac_dev * aac = (struct aac_dev *)host->hostdata;
+ int count;
+ int ret = FAILED;
+
+ printk(KERN_ERR "%s: Host adapter abort request (%d,%d,%d,%d)\n",
+ AAC_DRIVERNAME,
+ host->host_no, sdev_channel(dev), sdev_id(dev), dev->lun);
+ switch (cmd->cmnd[0]) {
+ case SERVICE_ACTION_IN:
+ if (!(aac->raw_io_interface) ||
+ !(aac->raw_io_64) ||
+ ((cmd->cmnd[1] & 0x1f) != SAI_READ_CAPACITY_16))
+ break;
+ case INQUIRY:
+ case READ_CAPACITY:
+ case TEST_UNIT_READY:
+ /* Mark associated FIB to not complete, eh handler does this */
+ for (count = 0; count < (host->can_queue + AAC_NUM_MGT_FIB); ++count) {
+ struct fib * fib = &aac->fibs[count];
+ if (fib->hw_fib_va->header.XferState &&
+ (fib->callback_data == cmd)) {
+ fib->flags |= FIB_CONTEXT_FLAG_TIMED_OUT;
+ cmd->SCp.phase = AAC_OWNER_ERROR_HANDLER;
+ ret = SUCCESS;
+ }
+ }
+ }
+ return ret;
+}
+
/*
* aac_eh_reset - Reset command handling
* @scsi_cmd: SCSI command block causing the reset
@@ -457,12 +501,20 @@ static int aac_eh_reset(struct scsi_cmnd* cmd)
struct Scsi_Host * host = dev->host;
struct scsi_cmnd * command;
int count;
- struct aac_dev * aac;
+ struct aac_dev * aac = (struct aac_dev *)host->hostdata;
unsigned long flags;
+ /* Mark the associated FIB to not complete, eh handler does this */
+ for (count = 0; count < (host->can_queue + AAC_NUM_MGT_FIB); ++count) {
+ struct fib * fib = &aac->fibs[count];
+ if (fib->hw_fib_va->header.XferState &&
+ (fib->callback_data == cmd)) {
+ fib->flags |= FIB_CONTEXT_FLAG_TIMED_OUT;
+ cmd->SCp.phase = AAC_OWNER_ERROR_HANDLER;
+ }
+ }
printk(KERN_ERR "%s: Host adapter reset request. SCSI hang ?\n",
AAC_DRIVERNAME);
- aac = (struct aac_dev *)host->hostdata;
if ((count = aac_check_health(aac)))
return count;
@@ -496,7 +548,7 @@ static int aac_eh_reset(struct scsi_cmnd* cmd)
ssleep(1);
}
printk(KERN_ERR "%s: SCSI bus appears hung\n", AAC_DRIVERNAME);
- return -ETIMEDOUT;
+ return SUCCESS; /* Cause an immediate retry of the command with a ten second delay after successful tur */
}
/**
@@ -796,6 +848,7 @@ static struct scsi_host_template aac_driver_template = {
.bios_param = aac_biosparm,
.shost_attrs = aac_attrs,
.slave_configure = aac_slave_configure,
+ .eh_abort_handler = aac_eh_abort,
.eh_host_reset_handler = aac_eh_reset,
.can_queue = AAC_NUM_IO_FIB,
.this_id = MAXIMUM_NUM_CONTAINERS,