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authorLinus Torvalds <torvalds@linux-foundation.org>2008-01-25 14:41:24 -0800
committerLinus Torvalds <torvalds@linux-foundation.org>2008-01-25 14:41:24 -0800
commit99f1c97dbdb30e958edfd1ced0ae43df62504e07 (patch)
treecc61393c912b3c1b095a9c74322f8e1364ab9b3a /drivers
parentb31fde6db2b76a9f7f59bf016652b46cff43f8da (diff)
parent8176d297c73a06e6076c9c31f6404047567f6324 (diff)
downloadlinux-99f1c97dbdb30e958edfd1ced0ae43df62504e07.tar.bz2
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/roland/infiniband
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/roland/infiniband: (81 commits) RDMA/cxgb3: Fix the T3A workaround checks IB/ipath: Remove unnecessary cast IPoIB: Constify seq_operations function pointer tables RDMA/cxgb3: Mark QP as privileged based on user capabilities RDMA/cxgb3: Fix page shift calculation in build_phys_page_list() RDMA/cxgb3: Flush the receive queue when closing IB/ipath: Trivial simplification of ipath_make_ud_req() IB/mthca: Update latest "native Arbel" firmware revision IPoIB: Remove redundant check of netif_queue_stopped() in xmit handler IB/ipath: Add mappings from HW register to PortInfo port physical state IB/ipath: Changes to support PIO bandwidth check on IBA7220 IB/ipath: Minor cleanup of unused fields and chip-specific errors IB/ipath: New sysfs entries to control 7220 features IB/ipath: Add new chip-specific functions to older chips, consistent init IB/ipath: Remove unused MDIO interface code IB/ehca: Prevent RDMA-related connection failures on some eHCA2 hardware IB/ehca: Add "port connection autodetect mode" IB/ehca: Define array to store SMI/GSI QPs IB/ehca: Remove CQ-QP-link before destroying QP in error path of create_qp() IB/iser: Add change_queue_depth method ...
Diffstat (limited to 'drivers')
-rw-r--r--drivers/infiniband/core/cm.c306
-rw-r--r--drivers/infiniband/core/cma.c60
-rw-r--r--drivers/infiniband/core/fmr_pool.c33
-rw-r--r--drivers/infiniband/core/mad.c26
-rw-r--r--drivers/infiniband/core/mad_priv.h3
-rw-r--r--drivers/infiniband/core/mad_rmpp.c2
-rw-r--r--drivers/infiniband/core/multicast.c55
-rw-r--r--drivers/infiniband/core/smi.h18
-rw-r--r--drivers/infiniband/core/ucm.c37
-rw-r--r--drivers/infiniband/core/ucma.c92
-rw-r--r--drivers/infiniband/core/user_mad.c115
-rw-r--r--drivers/infiniband/hw/cxgb3/cxio_hal.c4
-rw-r--r--drivers/infiniband/hw/cxgb3/cxio_wr.h5
-rw-r--r--drivers/infiniband/hw/cxgb3/iwch_cm.c4
-rw-r--r--drivers/infiniband/hw/cxgb3/iwch_mem.c7
-rw-r--r--drivers/infiniband/hw/cxgb3/iwch_provider.c7
-rw-r--r--drivers/infiniband/hw/cxgb3/iwch_qp.c29
-rw-r--r--drivers/infiniband/hw/ehca/ehca_av.c2
-rw-r--r--drivers/infiniband/hw/ehca/ehca_classes.h23
-rw-r--r--drivers/infiniband/hw/ehca/ehca_cq.c2
-rw-r--r--drivers/infiniband/hw/ehca/ehca_irq.c38
-rw-r--r--drivers/infiniband/hw/ehca/ehca_iverbs.h2
-rw-r--r--drivers/infiniband/hw/ehca/ehca_main.c15
-rw-r--r--drivers/infiniband/hw/ehca/ehca_qp.c180
-rw-r--r--drivers/infiniband/hw/ehca/ehca_reqs.c112
-rw-r--r--drivers/infiniband/hw/ehca/ehca_sqp.c6
-rw-r--r--drivers/infiniband/hw/ipath/ipath_common.h35
-rw-r--r--drivers/infiniband/hw/ipath/ipath_cq.c2
-rw-r--r--drivers/infiniband/hw/ipath/ipath_debug.h4
-rw-r--r--drivers/infiniband/hw/ipath/ipath_driver.c180
-rw-r--r--drivers/infiniband/hw/ipath/ipath_eeprom.c23
-rw-r--r--drivers/infiniband/hw/ipath/ipath_file_ops.c94
-rw-r--r--drivers/infiniband/hw/ipath/ipath_fs.c14
-rw-r--r--drivers/infiniband/hw/ipath/ipath_iba6110.c395
-rw-r--r--drivers/infiniband/hw/ipath/ipath_iba6120.c439
-rw-r--r--drivers/infiniband/hw/ipath/ipath_init_chip.c67
-rw-r--r--drivers/infiniband/hw/ipath/ipath_intr.c81
-rw-r--r--drivers/infiniband/hw/ipath/ipath_kernel.h201
-rw-r--r--drivers/infiniband/hw/ipath/ipath_keys.c5
-rw-r--r--drivers/infiniband/hw/ipath/ipath_mad.c123
-rw-r--r--drivers/infiniband/hw/ipath/ipath_qp.c6
-rw-r--r--drivers/infiniband/hw/ipath/ipath_rc.c18
-rw-r--r--drivers/infiniband/hw/ipath/ipath_registers.h33
-rw-r--r--drivers/infiniband/hw/ipath/ipath_ruc.c13
-rw-r--r--drivers/infiniband/hw/ipath/ipath_srq.c4
-rw-r--r--drivers/infiniband/hw/ipath/ipath_stats.c24
-rw-r--r--drivers/infiniband/hw/ipath/ipath_sysfs.c364
-rw-r--r--drivers/infiniband/hw/ipath/ipath_ud.c3
-rw-r--r--drivers/infiniband/hw/ipath/ipath_verbs.c55
-rw-r--r--drivers/infiniband/hw/ipath/ipath_verbs.h12
-rw-r--r--drivers/infiniband/hw/mlx4/cq.c9
-rw-r--r--drivers/infiniband/hw/mthca/mthca_dev.h13
-rw-r--r--drivers/infiniband/hw/mthca/mthca_eq.c6
-rw-r--r--drivers/infiniband/hw/mthca/mthca_main.c40
-rw-r--r--drivers/infiniband/ulp/ipoib/ipoib.h184
-rw-r--r--drivers/infiniband/ulp/ipoib/ipoib_cm.c376
-rw-r--r--drivers/infiniband/ulp/ipoib/ipoib_fs.c4
-rw-r--r--drivers/infiniband/ulp/ipoib/ipoib_ib.c8
-rw-r--r--drivers/infiniband/ulp/ipoib/ipoib_main.c60
-rw-r--r--drivers/infiniband/ulp/ipoib/ipoib_multicast.c8
-rw-r--r--drivers/infiniband/ulp/ipoib/ipoib_verbs.c18
-rw-r--r--drivers/infiniband/ulp/iser/Kconfig4
-rw-r--r--drivers/infiniband/ulp/iser/iscsi_iser.c1
-rw-r--r--drivers/infiniband/ulp/iser/iser_initiator.c2
-rw-r--r--drivers/infiniband/ulp/iser/iser_verbs.c8
-rw-r--r--drivers/infiniband/ulp/srp/ib_srp.c131
-rw-r--r--drivers/infiniband/ulp/srp/ib_srp.h5
-rw-r--r--drivers/net/mlx4/fw.c2
68 files changed, 3094 insertions, 1163 deletions
diff --git a/drivers/infiniband/core/cm.c b/drivers/infiniband/core/cm.c
index 2e39236d189f..c0150147d347 100644
--- a/drivers/infiniband/core/cm.c
+++ b/drivers/infiniband/core/cm.c
@@ -1,5 +1,5 @@
/*
- * Copyright (c) 2004-2006 Intel Corporation. All rights reserved.
+ * Copyright (c) 2004-2007 Intel Corporation. All rights reserved.
* Copyright (c) 2004 Topspin Corporation. All rights reserved.
* Copyright (c) 2004, 2005 Voltaire Corporation. All rights reserved.
* Copyright (c) 2005 Sun Microsystems, Inc. All rights reserved.
@@ -37,12 +37,14 @@
#include <linux/completion.h>
#include <linux/dma-mapping.h>
+#include <linux/device.h>
#include <linux/err.h>
#include <linux/idr.h>
#include <linux/interrupt.h>
#include <linux/random.h>
#include <linux/rbtree.h>
#include <linux/spinlock.h>
+#include <linux/sysfs.h>
#include <linux/workqueue.h>
#include <rdma/ib_cache.h>
@@ -78,17 +80,94 @@ static struct ib_cm {
struct workqueue_struct *wq;
} cm;
+/* Counter indexes ordered by attribute ID */
+enum {
+ CM_REQ_COUNTER,
+ CM_MRA_COUNTER,
+ CM_REJ_COUNTER,
+ CM_REP_COUNTER,
+ CM_RTU_COUNTER,
+ CM_DREQ_COUNTER,
+ CM_DREP_COUNTER,
+ CM_SIDR_REQ_COUNTER,
+ CM_SIDR_REP_COUNTER,
+ CM_LAP_COUNTER,
+ CM_APR_COUNTER,
+ CM_ATTR_COUNT,
+ CM_ATTR_ID_OFFSET = 0x0010,
+};
+
+enum {
+ CM_XMIT,
+ CM_XMIT_RETRIES,
+ CM_RECV,
+ CM_RECV_DUPLICATES,
+ CM_COUNTER_GROUPS
+};
+
+static char const counter_group_names[CM_COUNTER_GROUPS]
+ [sizeof("cm_rx_duplicates")] = {
+ "cm_tx_msgs", "cm_tx_retries",
+ "cm_rx_msgs", "cm_rx_duplicates"
+};
+
+struct cm_counter_group {
+ struct kobject obj;
+ atomic_long_t counter[CM_ATTR_COUNT];
+};
+
+struct cm_counter_attribute {
+ struct attribute attr;
+ int index;
+};
+
+#define CM_COUNTER_ATTR(_name, _index) \
+struct cm_counter_attribute cm_##_name##_counter_attr = { \
+ .attr = { .name = __stringify(_name), .mode = 0444, .owner = THIS_MODULE }, \
+ .index = _index \
+}
+
+static CM_COUNTER_ATTR(req, CM_REQ_COUNTER);
+static CM_COUNTER_ATTR(mra, CM_MRA_COUNTER);
+static CM_COUNTER_ATTR(rej, CM_REJ_COUNTER);
+static CM_COUNTER_ATTR(rep, CM_REP_COUNTER);
+static CM_COUNTER_ATTR(rtu, CM_RTU_COUNTER);
+static CM_COUNTER_ATTR(dreq, CM_DREQ_COUNTER);
+static CM_COUNTER_ATTR(drep, CM_DREP_COUNTER);
+static CM_COUNTER_ATTR(sidr_req, CM_SIDR_REQ_COUNTER);
+static CM_COUNTER_ATTR(sidr_rep, CM_SIDR_REP_COUNTER);
+static CM_COUNTER_ATTR(lap, CM_LAP_COUNTER);
+static CM_COUNTER_ATTR(apr, CM_APR_COUNTER);
+
+static struct attribute *cm_counter_default_attrs[] = {
+ &cm_req_counter_attr.attr,
+ &cm_mra_counter_attr.attr,
+ &cm_rej_counter_attr.attr,
+ &cm_rep_counter_attr.attr,
+ &cm_rtu_counter_attr.attr,
+ &cm_dreq_counter_attr.attr,
+ &cm_drep_counter_attr.attr,
+ &cm_sidr_req_counter_attr.attr,
+ &cm_sidr_rep_counter_attr.attr,
+ &cm_lap_counter_attr.attr,
+ &cm_apr_counter_attr.attr,
+ NULL
+};
+
struct cm_port {
struct cm_device *cm_dev;
struct ib_mad_agent *mad_agent;
+ struct kobject port_obj;
u8 port_num;
+ struct cm_counter_group counter_group[CM_COUNTER_GROUPS];
};
struct cm_device {
struct list_head list;
struct ib_device *device;
+ struct kobject dev_obj;
u8 ack_delay;
- struct cm_port port[0];
+ struct cm_port *port[0];
};
struct cm_av {
@@ -278,7 +357,7 @@ static int cm_init_av_by_path(struct ib_sa_path_rec *path, struct cm_av *av)
list_for_each_entry(cm_dev, &cm.device_list, list) {
if (!ib_find_cached_gid(cm_dev->device, &path->sgid,
&p, NULL)) {
- port = &cm_dev->port[p-1];
+ port = cm_dev->port[p-1];
break;
}
}
@@ -1270,6 +1349,9 @@ static void cm_dup_req_handler(struct cm_work *work,
struct ib_mad_send_buf *msg = NULL;
int ret;
+ atomic_long_inc(&work->port->counter_group[CM_RECV_DUPLICATES].
+ counter[CM_REQ_COUNTER]);
+
/* Quick state check to discard duplicate REQs. */
if (cm_id_priv->id.state == IB_CM_REQ_RCVD)
return;
@@ -1616,6 +1698,8 @@ static void cm_dup_rep_handler(struct cm_work *work)
if (!cm_id_priv)
return;
+ atomic_long_inc(&work->port->counter_group[CM_RECV_DUPLICATES].
+ counter[CM_REP_COUNTER]);
ret = cm_alloc_response_msg(work->port, work->mad_recv_wc, &msg);
if (ret)
goto deref;
@@ -1781,6 +1865,8 @@ static int cm_rtu_handler(struct cm_work *work)
if (cm_id_priv->id.state != IB_CM_REP_SENT &&
cm_id_priv->id.state != IB_CM_MRA_REP_RCVD) {
spin_unlock_irq(&cm_id_priv->lock);
+ atomic_long_inc(&work->port->counter_group[CM_RECV_DUPLICATES].
+ counter[CM_RTU_COUNTER]);
goto out;
}
cm_id_priv->id.state = IB_CM_ESTABLISHED;
@@ -1958,6 +2044,8 @@ static int cm_dreq_handler(struct cm_work *work)
cm_id_priv = cm_acquire_id(dreq_msg->remote_comm_id,
dreq_msg->local_comm_id);
if (!cm_id_priv) {
+ atomic_long_inc(&work->port->counter_group[CM_RECV_DUPLICATES].
+ counter[CM_DREQ_COUNTER]);
cm_issue_drep(work->port, work->mad_recv_wc);
return -EINVAL;
}
@@ -1977,6 +2065,8 @@ static int cm_dreq_handler(struct cm_work *work)
case IB_CM_MRA_REP_RCVD:
break;
case IB_CM_TIMEWAIT:
+ atomic_long_inc(&work->port->counter_group[CM_RECV_DUPLICATES].
+ counter[CM_DREQ_COUNTER]);
if (cm_alloc_response_msg(work->port, work->mad_recv_wc, &msg))
goto unlock;
@@ -1988,6 +2078,10 @@ static int cm_dreq_handler(struct cm_work *work)
if (ib_post_send_mad(msg, NULL))
cm_free_msg(msg);
goto deref;
+ case IB_CM_DREQ_RCVD:
+ atomic_long_inc(&work->port->counter_group[CM_RECV_DUPLICATES].
+ counter[CM_DREQ_COUNTER]);
+ goto unlock;
default:
goto unlock;
}
@@ -2339,10 +2433,20 @@ static int cm_mra_handler(struct cm_work *work)
if (cm_mra_get_msg_mraed(mra_msg) != CM_MSG_RESPONSE_OTHER ||
cm_id_priv->id.lap_state != IB_CM_LAP_SENT ||
ib_modify_mad(cm_id_priv->av.port->mad_agent,
- cm_id_priv->msg, timeout))
+ cm_id_priv->msg, timeout)) {
+ if (cm_id_priv->id.lap_state == IB_CM_MRA_LAP_RCVD)
+ atomic_long_inc(&work->port->
+ counter_group[CM_RECV_DUPLICATES].
+ counter[CM_MRA_COUNTER]);
goto out;
+ }
cm_id_priv->id.lap_state = IB_CM_MRA_LAP_RCVD;
break;
+ case IB_CM_MRA_REQ_RCVD:
+ case IB_CM_MRA_REP_RCVD:
+ atomic_long_inc(&work->port->counter_group[CM_RECV_DUPLICATES].
+ counter[CM_MRA_COUNTER]);
+ /* fall through */
default:
goto out;
}
@@ -2502,6 +2606,8 @@ static int cm_lap_handler(struct cm_work *work)
case IB_CM_LAP_IDLE:
break;
case IB_CM_MRA_LAP_SENT:
+ atomic_long_inc(&work->port->counter_group[CM_RECV_DUPLICATES].
+ counter[CM_LAP_COUNTER]);
if (cm_alloc_response_msg(work->port, work->mad_recv_wc, &msg))
goto unlock;
@@ -2515,6 +2621,10 @@ static int cm_lap_handler(struct cm_work *work)
if (ib_post_send_mad(msg, NULL))
cm_free_msg(msg);
goto deref;
+ case IB_CM_LAP_RCVD:
+ atomic_long_inc(&work->port->counter_group[CM_RECV_DUPLICATES].
+ counter[CM_LAP_COUNTER]);
+ goto unlock;
default:
goto unlock;
}
@@ -2796,6 +2906,8 @@ static int cm_sidr_req_handler(struct cm_work *work)
cur_cm_id_priv = cm_insert_remote_sidr(cm_id_priv);
if (cur_cm_id_priv) {
spin_unlock_irq(&cm.lock);
+ atomic_long_inc(&work->port->counter_group[CM_RECV_DUPLICATES].
+ counter[CM_SIDR_REQ_COUNTER]);
goto out; /* Duplicate message. */
}
cm_id_priv->id.state = IB_CM_SIDR_REQ_RCVD;
@@ -2990,6 +3102,27 @@ static void cm_send_handler(struct ib_mad_agent *mad_agent,
struct ib_mad_send_wc *mad_send_wc)
{
struct ib_mad_send_buf *msg = mad_send_wc->send_buf;
+ struct cm_port *port;
+ u16 attr_index;
+
+ port = mad_agent->context;
+ attr_index = be16_to_cpu(((struct ib_mad_hdr *)
+ msg->mad)->attr_id) - CM_ATTR_ID_OFFSET;
+
+ /*
+ * If the send was in response to a received message (context[0] is not
+ * set to a cm_id), and is not a REJ, then it is a send that was
+ * manually retried.
+ */
+ if (!msg->context[0] && (attr_index != CM_REJ_COUNTER))
+ msg->retries = 1;
+
+ atomic_long_add(1 + msg->retries,
+ &port->counter_group[CM_XMIT].counter[attr_index]);
+ if (msg->retries)
+ atomic_long_add(msg->retries,
+ &port->counter_group[CM_XMIT_RETRIES].
+ counter[attr_index]);
switch (mad_send_wc->status) {
case IB_WC_SUCCESS:
@@ -3148,8 +3281,10 @@ EXPORT_SYMBOL(ib_cm_notify);
static void cm_recv_handler(struct ib_mad_agent *mad_agent,
struct ib_mad_recv_wc *mad_recv_wc)
{
+ struct cm_port *port = mad_agent->context;
struct cm_work *work;
enum ib_cm_event_type event;
+ u16 attr_id;
int paths = 0;
switch (mad_recv_wc->recv_buf.mad->mad_hdr.attr_id) {
@@ -3194,6 +3329,10 @@ static void cm_recv_handler(struct ib_mad_agent *mad_agent,
return;
}
+ attr_id = be16_to_cpu(mad_recv_wc->recv_buf.mad->mad_hdr.attr_id);
+ atomic_long_inc(&port->counter_group[CM_RECV].
+ counter[attr_id - CM_ATTR_ID_OFFSET]);
+
work = kmalloc(sizeof *work + sizeof(struct ib_sa_path_rec) * paths,
GFP_KERNEL);
if (!work) {
@@ -3204,7 +3343,7 @@ static void cm_recv_handler(struct ib_mad_agent *mad_agent,
INIT_DELAYED_WORK(&work->work, cm_work_handler);
work->cm_event.event = event;
work->mad_recv_wc = mad_recv_wc;
- work->port = (struct cm_port *)mad_agent->context;
+ work->port = port;
queue_delayed_work(cm.wq, &work->work, 0);
}
@@ -3379,6 +3518,108 @@ static void cm_get_ack_delay(struct cm_device *cm_dev)
cm_dev->ack_delay = attr.local_ca_ack_delay;
}
+static ssize_t cm_show_counter(struct kobject *obj, struct attribute *attr,
+ char *buf)
+{
+ struct cm_counter_group *group;
+ struct cm_counter_attribute *cm_attr;
+
+ group = container_of(obj, struct cm_counter_group, obj);
+ cm_attr = container_of(attr, struct cm_counter_attribute, attr);
+
+ return sprintf(buf, "%ld\n",
+ atomic_long_read(&group->counter[cm_attr->index]));
+}
+
+static struct sysfs_ops cm_counter_ops = {
+ .show = cm_show_counter
+};
+
+static struct kobj_type cm_counter_obj_type = {
+ .sysfs_ops = &cm_counter_ops,
+ .default_attrs = cm_counter_default_attrs
+};
+
+static void cm_release_port_obj(struct kobject *obj)
+{
+ struct cm_port *cm_port;
+
+ printk(KERN_ERR "free cm port\n");
+
+ cm_port = container_of(obj, struct cm_port, port_obj);
+ kfree(cm_port);
+}
+
+static struct kobj_type cm_port_obj_type = {
+ .release = cm_release_port_obj
+};
+
+static void cm_release_dev_obj(struct kobject *obj)
+{
+ struct cm_device *cm_dev;
+
+ printk(KERN_ERR "free cm dev\n");
+
+ cm_dev = container_of(obj, struct cm_device, dev_obj);
+ kfree(cm_dev);
+}
+
+static struct kobj_type cm_dev_obj_type = {
+ .release = cm_release_dev_obj
+};
+
+struct class cm_class = {
+ .name = "infiniband_cm",
+};
+EXPORT_SYMBOL(cm_class);
+
+static void cm_remove_fs_obj(struct kobject *obj)
+{
+ kobject_put(obj->parent);
+ kobject_put(obj);
+}
+
+static int cm_create_port_fs(struct cm_port *port)
+{
+ int i, ret;
+
+ ret = kobject_init_and_add(&port->port_obj, &cm_port_obj_type,
+ kobject_get(&port->cm_dev->dev_obj),
+ "%d", port->port_num);
+ if (ret) {
+ kfree(port);
+ return ret;
+ }
+
+ for (i = 0; i < CM_COUNTER_GROUPS; i++) {
+ ret = kobject_init_and_add(&port->counter_group[i].obj,
+ &cm_counter_obj_type,
+ kobject_get(&port->port_obj),
+ "%s", counter_group_names[i]);
+ if (ret)
+ goto error;
+ }
+
+ return 0;
+
+error:
+ while (i--)
+ cm_remove_fs_obj(&port->counter_group[i].obj);
+ cm_remove_fs_obj(&port->port_obj);
+ return ret;
+
+}
+
+static void cm_remove_port_fs(struct cm_port *port)
+{
+ int i;
+
+ for (i = 0; i < CM_COUNTER_GROUPS; i++)
+ cm_remove_fs_obj(&port->counter_group[i].obj);
+
+ cm_remove_fs_obj(&port->port_obj);
+}
+
static void cm_add_one(struct ib_device *device)
{
struct cm_device *cm_dev;
@@ -3397,7 +3638,7 @@ static void cm_add_one(struct ib_device *device)
if (rdma_node_get_transport(device->node_type) != RDMA_TRANSPORT_IB)
return;
- cm_dev = kmalloc(sizeof(*cm_dev) + sizeof(*port) *
+ cm_dev = kzalloc(sizeof(*cm_dev) + sizeof(*port) *
device->phys_port_cnt, GFP_KERNEL);
if (!cm_dev)
return;
@@ -3405,11 +3646,27 @@ static void cm_add_one(struct ib_device *device)
cm_dev->device = device;
cm_get_ack_delay(cm_dev);
+ ret = kobject_init_and_add(&cm_dev->dev_obj, &cm_dev_obj_type,
+ &cm_class.subsys.kobj, "%s", device->name);
+ if (ret) {
+ kfree(cm_dev);
+ return;
+ }
+
set_bit(IB_MGMT_METHOD_SEND, reg_req.method_mask);
for (i = 1; i <= device->phys_port_cnt; i++) {
- port = &cm_dev->port[i-1];
+ port = kzalloc(sizeof *port, GFP_KERNEL);
+ if (!port)
+ goto error1;
+
+ cm_dev->port[i-1] = port;
port->cm_dev = cm_dev;
port->port_num = i;
+
+ ret = cm_create_port_fs(port);
+ if (ret)
+ goto error1;
+
port->mad_agent = ib_register_mad_agent(device, i,
IB_QPT_GSI,
&reg_req,
@@ -3418,11 +3675,11 @@ static void cm_add_one(struct ib_device *device)
cm_recv_handler,
port);
if (IS_ERR(port->mad_agent))
- goto error1;
+ goto error2;
ret = ib_modify_port(device, i, 0, &port_modify);
if (ret)
- goto error2;
+ goto error3;
}
ib_set_client_data(device, &cm_client, cm_dev);
@@ -3431,17 +3688,20 @@ static void cm_add_one(struct ib_device *device)
write_unlock_irqrestore(&cm.device_lock, flags);
return;
-error2:
+error3:
ib_unregister_mad_agent(port->mad_agent);
+error2:
+ cm_remove_port_fs(port);
error1:
port_modify.set_port_cap_mask = 0;
port_modify.clr_port_cap_mask = IB_PORT_CM_SUP;
while (--i) {
- port = &cm_dev->port[i-1];
+ port = cm_dev->port[i-1];
ib_modify_port(device, port->port_num, 0, &port_modify);
ib_unregister_mad_agent(port->mad_agent);
+ cm_remove_port_fs(port);
}
- kfree(cm_dev);
+ cm_remove_fs_obj(&cm_dev->dev_obj);
}
static void cm_remove_one(struct ib_device *device)
@@ -3463,11 +3723,12 @@ static void cm_remove_one(struct ib_device *device)
write_unlock_irqrestore(&cm.device_lock, flags);
for (i = 1; i <= device->phys_port_cnt; i++) {
- port = &cm_dev->port[i-1];
+ port = cm_dev->port[i-1];
ib_modify_port(device, port->port_num, 0, &port_modify);
ib_unregister_mad_agent(port->mad_agent);
+ cm_remove_port_fs(port);
}
- kfree(cm_dev);
+ cm_remove_fs_obj(&cm_dev->dev_obj);
}
static int __init ib_cm_init(void)
@@ -3488,17 +3749,25 @@ static int __init ib_cm_init(void)
idr_pre_get(&cm.local_id_table, GFP_KERNEL);
INIT_LIST_HEAD(&cm.timewait_list);
- cm.wq = create_workqueue("ib_cm");
- if (!cm.wq)
+ ret = class_register(&cm_class);
+ if (ret)
return -ENOMEM;
+ cm.wq = create_workqueue("ib_cm");
+ if (!cm.wq) {
+ ret = -ENOMEM;
+ goto error1;
+ }
+
ret = ib_register_client(&cm_client);
if (ret)
- goto error;
+ goto error2;
return 0;
-error:
+error2:
destroy_workqueue(cm.wq);
+error1:
+ class_unregister(&cm_class);
return ret;
}
@@ -3519,6 +3788,7 @@ static void __exit ib_cm_cleanup(void)
}
ib_unregister_client(&cm_client);
+ class_unregister(&cm_class);
idr_destroy(&cm.local_id_table);
}
diff --git a/drivers/infiniband/core/cma.c b/drivers/infiniband/core/cma.c
index 0751697ef984..637efead97a0 100644
--- a/drivers/infiniband/core/cma.c
+++ b/drivers/infiniband/core/cma.c
@@ -488,7 +488,8 @@ void rdma_destroy_qp(struct rdma_cm_id *id)
}
EXPORT_SYMBOL(rdma_destroy_qp);
-static int cma_modify_qp_rtr(struct rdma_id_private *id_priv)
+static int cma_modify_qp_rtr(struct rdma_id_private *id_priv,
+ struct rdma_conn_param *conn_param)
{
struct ib_qp_attr qp_attr;
int qp_attr_mask, ret;
@@ -514,13 +515,16 @@ static int cma_modify_qp_rtr(struct rdma_id_private *id_priv)
if (ret)
goto out;
+ if (conn_param)
+ qp_attr.max_dest_rd_atomic = conn_param->responder_resources;
ret = ib_modify_qp(id_priv->id.qp, &qp_attr, qp_attr_mask);
out:
mutex_unlock(&id_priv->qp_mutex);
return ret;
}
-static int cma_modify_qp_rts(struct rdma_id_private *id_priv)
+static int cma_modify_qp_rts(struct rdma_id_private *id_priv,
+ struct rdma_conn_param *conn_param)
{
struct ib_qp_attr qp_attr;
int qp_attr_mask, ret;
@@ -536,6 +540,8 @@ static int cma_modify_qp_rts(struct rdma_id_private *id_priv)
if (ret)
goto out;
+ if (conn_param)
+ qp_attr.max_rd_atomic = conn_param->initiator_depth;
ret = ib_modify_qp(id_priv->id.qp, &qp_attr, qp_attr_mask);
out:
mutex_unlock(&id_priv->qp_mutex);
@@ -866,11 +872,11 @@ static int cma_rep_recv(struct rdma_id_private *id_priv)
{
int ret;
- ret = cma_modify_qp_rtr(id_priv);
+ ret = cma_modify_qp_rtr(id_priv, NULL);
if (ret)
goto reject;
- ret = cma_modify_qp_rts(id_priv);
+ ret = cma_modify_qp_rts(id_priv, NULL);
if (ret)
goto reject;
@@ -1122,8 +1128,10 @@ static int cma_req_handler(struct ib_cm_id *cm_id, struct ib_cm_event *ib_event)
cm_id->cm_handler = cma_ib_handler;
ret = conn_id->id.event_handler(&conn_id->id, &event);
- if (!ret)
+ if (!ret) {
+ cma_enable_remove(conn_id);
goto out;
+ }
/* Destroy the CM ID by returning a non-zero value. */
conn_id->cm_id.ib = NULL;
@@ -1262,6 +1270,7 @@ static int iw_conn_req_handler(struct iw_cm_id *cm_id,
struct net_device *dev = NULL;
struct rdma_cm_event event;
int ret;
+ struct ib_device_attr attr;
listen_id = cm_id->context;
if (cma_disable_remove(listen_id, CMA_LISTEN))
@@ -1311,10 +1320,19 @@ static int iw_conn_req_handler(struct iw_cm_id *cm_id,
sin = (struct sockaddr_in *) &new_cm_id->route.addr.dst_addr;
*sin = iw_event->remote_addr;
+ ret = ib_query_device(conn_id->id.device, &attr);
+ if (ret) {
+ cma_enable_remove(conn_id);
+ rdma_destroy_id(new_cm_id);
+ goto out;
+ }
+
memset(&event, 0, sizeof event);
event.event = RDMA_CM_EVENT_CONNECT_REQUEST;
event.param.conn.private_data = iw_event->private_data;
event.param.conn.private_data_len = iw_event->private_data_len;
+ event.param.conn.initiator_depth = attr.max_qp_init_rd_atom;
+ event.param.conn.responder_resources = attr.max_qp_rd_atom;
ret = conn_id->id.event_handler(&conn_id->id, &event);
if (ret) {
/* User wants to destroy the CM ID */
@@ -2272,7 +2290,7 @@ static int cma_connect_iw(struct rdma_id_private *id_priv,
sin = (struct sockaddr_in*) &id_priv->id.route.addr.dst_addr;
cm_id->remote_addr = *sin;
- ret = cma_modify_qp_rtr(id_priv);
+ ret = cma_modify_qp_rtr(id_priv, conn_param);
if (ret)
goto out;
@@ -2335,25 +2353,15 @@ static int cma_accept_ib(struct rdma_id_private *id_priv,
struct rdma_conn_param *conn_param)
{
struct ib_cm_rep_param rep;
- struct ib_qp_attr qp_attr;
- int qp_attr_mask, ret;
-
- if (id_priv->id.qp) {
- ret = cma_modify_qp_rtr(id_priv);
- if (ret)
- goto out;
+ int ret;
- qp_attr.qp_state = IB_QPS_RTS;
- ret = ib_cm_init_qp_attr(id_priv->cm_id.ib, &qp_attr,
- &qp_attr_mask);
- if (ret)
- goto out;
+ ret = cma_modify_qp_rtr(id_priv, conn_param);
+ if (ret)
+ goto out;
- qp_attr.max_rd_atomic = conn_param->initiator_depth;
- ret = ib_modify_qp(id_priv->id.qp, &qp_attr, qp_attr_mask);
- if (ret)
- goto out;
- }
+ ret = cma_modify_qp_rts(id_priv, conn_param);
+ if (ret)
+ goto out;
memset(&rep, 0, sizeof rep);
rep.qp_num = id_priv->qp_num;
@@ -2378,7 +2386,7 @@ static int cma_accept_iw(struct rdma_id_private *id_priv,
struct iw_cm_conn_param iw_param;
int ret;
- ret = cma_modify_qp_rtr(id_priv);
+ ret = cma_modify_qp_rtr(id_priv, conn_param);
if (ret)
return ret;
@@ -2598,11 +2606,9 @@ static void cma_set_mgid(struct rdma_id_private *id_priv,
/* IPv6 address is an SA assigned MGID. */
memcpy(mgid, &sin6->sin6_addr, sizeof *mgid);
} else {
- ip_ib_mc_map(sin->sin_addr.s_addr, mc_map);
+ ip_ib_mc_map(sin->sin_addr.s_addr, dev_addr->broadcast, mc_map);
if (id_priv->id.ps == RDMA_PS_UDP)
mc_map[7] = 0x01; /* Use RDMA CM signature */
- mc_map[8] = ib_addr_get_pkey(dev_addr) >> 8;
- mc_map[9] = (unsigned char) ib_addr_get_pkey(dev_addr);
*mgid = *(union ib_gid *) (mc_map + 4);
}
}
diff --git a/drivers/infiniband/core/fmr_pool.c b/drivers/infiniband/core/fmr_pool.c
index e8d5f6b64998..6c7aa59794d4 100644
--- a/drivers/infiniband/core/fmr_pool.c
+++ b/drivers/infiniband/core/fmr_pool.c
@@ -139,7 +139,7 @@ static inline struct ib_pool_fmr *ib_fmr_cache_lookup(struct ib_fmr_pool *pool,
static void ib_fmr_batch_release(struct ib_fmr_pool *pool)
{
int ret;
- struct ib_pool_fmr *fmr;
+ struct ib_pool_fmr *fmr, *next;
LIST_HEAD(unmap_list);
LIST_HEAD(fmr_list);
@@ -158,6 +158,20 @@ static void ib_fmr_batch_release(struct ib_fmr_pool *pool)
#endif
}
+ /*
+ * The free_list may hold FMRs that have been put there
+ * because they haven't reached the max_remap count.
+ * Invalidate their mapping as well.
+ */
+ list_for_each_entry_safe(fmr, next, &pool->free_list, list) {
+ if (fmr->remap_count == 0)
+ continue;
+ hlist_del_init(&fmr->cache_node);
+ fmr->remap_count = 0;
+ list_add_tail(&fmr->fmr->list, &fmr_list);
+ list_move(&fmr->list, &unmap_list);
+ }
+
list_splice(&pool->dirty_list, &unmap_list);
INIT_LIST_HEAD(&pool->dirty_list);
pool->dirty_len = 0;
@@ -182,8 +196,7 @@ static int ib_fmr_cleanup_thread(void *pool_ptr)
struct ib_fmr_pool *pool = pool_ptr;
do {
- if (pool->dirty_len >= pool->dirty_watermark ||
- atomic_read(&pool->flush_ser) - atomic_read(&pool->req_ser) < 0) {
+ if (atomic_read(&pool->flush_ser) - atomic_read(&pool->req_ser) < 0) {
ib_fmr_batch_release(pool);
atomic_inc(&pool->flush_ser);
@@ -194,8 +207,7 @@ static int ib_fmr_cleanup_thread(void *pool_ptr)
}
set_current_state(TASK_INTERRUPTIBLE);
- if (pool->dirty_len < pool->dirty_watermark &&
- atomic_read(&pool->flush_ser) - atomic_read(&pool->req_ser) >= 0 &&
+ if (atomic_read(&pool->flush_ser) - atomic_read(&pool->req_ser) >= 0 &&
!kthread_should_stop())
schedule();
__set_current_state(TASK_RUNNING);
@@ -369,11 +381,6 @@ void ib_destroy_fmr_pool(struct ib_fmr_pool *pool)
i = 0;
list_for_each_entry_safe(fmr, tmp, &pool->free_list, list) {
- if (fmr->remap_count) {
- INIT_LIST_HEAD(&fmr_list);
- list_add_tail(&fmr->fmr->list, &fmr_list);
- ib_unmap_fmr(&fmr_list);
- }
ib_dealloc_fmr(fmr->fmr);
list_del(&fmr->list);
kfree(fmr);
@@ -511,8 +518,10 @@ int ib_fmr_pool_unmap(struct ib_pool_fmr *fmr)
list_add_tail(&fmr->list, &pool->free_list);
} else {
list_add_tail(&fmr->list, &pool->dirty_list);
- ++pool->dirty_len;
- wake_up_process(pool->thread);
+ if (++pool->dirty_len >= pool->dirty_watermark) {
+ atomic_inc(&pool->req_ser);
+ wake_up_process(pool->thread);
+ }
}
}
diff --git a/drivers/infiniband/core/mad.c b/drivers/infiniband/core/mad.c
index 6f4287716ab1..fbe16d5250a4 100644
--- a/drivers/infiniband/core/mad.c
+++ b/drivers/infiniband/core/mad.c
@@ -701,7 +701,8 @@ static int handle_outgoing_dr_smp(struct ib_mad_agent_private *mad_agent_priv,
}
/* Check to post send on QP or process locally */
- if (smi_check_local_smp(smp, device) == IB_SMI_DISCARD)
+ if (smi_check_local_smp(smp, device) == IB_SMI_DISCARD &&
+ smi_check_local_returning_smp(smp, device) == IB_SMI_DISCARD)
goto out;
local = kmalloc(sizeof *local, GFP_ATOMIC);
@@ -752,8 +753,7 @@ static int handle_outgoing_dr_smp(struct ib_mad_agent_private *mad_agent_priv,
port_priv = ib_get_mad_port(mad_agent_priv->agent.device,
mad_agent_priv->agent.port_num);
if (port_priv) {
- mad_priv->mad.mad.mad_hdr.tid =
- ((struct ib_mad *)smp)->mad_hdr.tid;
+ memcpy(&mad_priv->mad.mad, smp, sizeof(struct ib_mad));
recv_mad_agent = find_mad_agent(port_priv,
&mad_priv->mad.mad);
}
@@ -1100,7 +1100,9 @@ int ib_post_send_mad(struct ib_mad_send_buf *send_buf,
mad_send_wr->tid = ((struct ib_mad_hdr *) send_buf->mad)->tid;
/* Timeout will be updated after send completes */
mad_send_wr->timeout = msecs_to_jiffies(send_buf->timeout_ms);
- mad_send_wr->retries = send_buf->retries;
+ mad_send_wr->max_retries = send_buf->retries;
+ mad_send_wr->retries_left = send_buf->retries;
+ send_buf->retries = 0;
/* Reference for work request to QP + response */
mad_send_wr->refcount = 1 + (mad_send_wr->timeout > 0);
mad_send_wr->status = IB_WC_SUCCESS;
@@ -1931,15 +1933,6 @@ local:
if (port_priv->device->process_mad) {
int ret;
- if (!response) {
- printk(KERN_ERR PFX "No memory for response MAD\n");
- /*
- * Is it better to assume that
- * it wouldn't be processed ?
- */
- goto out;
- }
-
ret = port_priv->device->process_mad(port_priv->device, 0,
port_priv->port_num,
wc, &recv->grh,
@@ -2282,8 +2275,6 @@ static void cancel_mads(struct ib_mad_agent_private *mad_agent_priv)
/* Empty wait list to prevent receives from finding a request */
list_splice_init(&mad_agent_priv->wait_list, &cancel_list);
- /* Empty local completion list as well */
- list_splice_init(&mad_agent_priv->local_list, &cancel_list);
spin_unlock_irqrestore(&mad_agent_priv->lock, flags);
/* Report all cancelled requests */
@@ -2445,9 +2436,12 @@ static int retry_send(struct ib_mad_send_wr_private *mad_send_wr)
{
int ret;
- if (!mad_send_wr->retries--)
+ if (!mad_send_wr->retries_left)
return -ETIMEDOUT;
+ mad_send_wr->retries_left--;
+ mad_send_wr->send_buf.retries++;
+
mad_send_wr->timeout = msecs_to_jiffies(mad_send_wr->send_buf.timeout_ms);
if (mad_send_wr->mad_agent_priv->agent.rmpp_version) {
diff --git a/drivers/infiniband/core/mad_priv.h b/drivers/infiniband/core/mad_priv.h
index 9be5cc00a3a9..8b75010016ec 100644
--- a/drivers/infiniband/core/mad_priv.h
+++ b/drivers/infiniband/core/mad_priv.h
@@ -131,7 +131,8 @@ struct ib_mad_send_wr_private {
struct ib_sge sg_list[IB_MAD_SEND_REQ_MAX_SG];
__be64 tid;
unsigned long timeout;
- int retries;
+ int max_retries;
+ int retries_left;
int retry;
int refcount;
enum ib_wc_status status;
diff --git a/drivers/infiniband/core/mad_rmpp.c b/drivers/infiniband/core/mad_rmpp.c
index d43bc62005b3..a5e2a310f312 100644
--- a/drivers/infiniband/core/mad_rmpp.c
+++ b/drivers/infiniband/core/mad_rmpp.c
@@ -684,7 +684,7 @@ static void process_rmpp_ack(struct ib_mad_agent_private *agent,
if (seg_num > mad_send_wr->last_ack) {
adjust_last_ack(mad_send_wr, seg_num);
- mad_send_wr->retries = mad_send_wr->send_buf.retries;
+ mad_send_wr->retries_left = mad_send_wr->max_retries;
}
mad_send_wr->newwin = newwin;
if (mad_send_wr->last_ack == mad_send_wr->send_buf.seg_count) {
diff --git a/drivers/infiniband/core/multicast.c b/drivers/infiniband/core/multicast.c
index 1bc1fe605282..107f170c57cd 100644
--- a/drivers/infiniband/core/multicast.c
+++ b/drivers/infiniband/core/multicast.c
@@ -73,11 +73,20 @@ struct mcast_device {
};
enum mcast_state {
- MCAST_IDLE,
MCAST_JOINING,
MCAST_MEMBER,
+ MCAST_ERROR,
+};
+
+enum mcast_group_state {
+ MCAST_IDLE,
MCAST_BUSY,
- MCAST_ERROR
+ MCAST_GROUP_ERROR,
+ MCAST_PKEY_EVENT
+};
+
+enum {
+ MCAST_INVALID_PKEY_INDEX = 0xFFFF
};
struct mcast_member;
@@ -93,9 +102,10 @@ struct mcast_group {
struct mcast_member *last_join;
int members[3];
atomic_t refcount;
- enum mcast_state state;
+ enum mcast_group_state state;
struct ib_sa_query *query;
int query_id;
+ u16 pkey_index;
};
struct mcast_member {
@@ -378,9 +388,19 @@ static int fail_join(struct mcast_group *group, struct mcast_member *member,
static void process_group_error(struct mcast_group *group)
{
struct mcast_member *member;
- int ret;
+ int ret = 0;
+ u16 pkey_index;
+
+ if (group->state == MCAST_PKEY_EVENT)
+ ret = ib_find_pkey(group->port->dev->device,
+ group->port->port_num,
+ be16_to_cpu(group->rec.pkey), &pkey_index);
spin_lock_irq(&group->lock);
+ if (group->state == MCAST_PKEY_EVENT && !ret &&
+ group->pkey_index == pkey_index)
+ goto out;
+
while (!list_empty(&group->active_list)) {
member = list_entry(group->active_list.next,
struct mcast_member, list);
@@ -399,6 +419,7 @@ static void process_group_error(struct mcast_group *group)
}
group->rec.join_state = 0;
+out:
group->state = MCAST_BUSY;
spin_unlock_irq(&group->lock);
}
@@ -415,9 +436,9 @@ static void mcast_work_handler(struct work_struct *work)
retest:
spin_lock_irq(&group->lock);
while (!list_empty(&group->pending_list) ||
- (group->state == MCAST_ERROR)) {
+ (group->state != MCAST_BUSY)) {
- if (group->state == MCAST_ERROR) {
+ if (group->state != MCAST_BUSY) {
spin_unlock_irq(&group->lock);
process_group_error(group);
goto retest;
@@ -494,12 +515,19 @@ static void join_handler(int status, struct ib_sa_mcmember_rec *rec,
void *context)
{
struct mcast_group *group = context;
+ u16 pkey_index = MCAST_INVALID_PKEY_INDEX;
if (status)
process_join_error(group, status);
else {
+ ib_find_pkey(group->port->dev->device, group->port->port_num,
+ be16_to_cpu(rec->pkey), &pkey_index);
+
spin_lock_irq(&group->port->lock);
group->rec = *rec;
+ if (group->state == MCAST_BUSY &&
+ group->pkey_index == MCAST_INVALID_PKEY_INDEX)
+ group->pkey_index = pkey_index;
if (!memcmp(&mgid0, &group->rec.mgid, sizeof mgid0)) {
rb_erase(&group->node, &group->port->table);
mcast_insert(group->port, group, 1);
@@ -539,6 +567,7 @@ static struct mcast_group *acquire_group(struct mcast_port *port,
group->port = port;
group->rec.mgid = *mgid;
+ group->pkey_index = MCAST_INVALID_PKEY_INDEX;
INIT_LIST_HEAD(&group->pending_list);
INIT_LIST_HEAD(&group->active_list);
INIT_WORK(&group->work, mcast_work_handler);
@@ -707,7 +736,8 @@ int ib_init_ah_from_mcmember(struct ib_device *device, u8 port_num,
}
EXPORT_SYMBOL(ib_init_ah_from_mcmember);
-static void mcast_groups_lost(struct mcast_port *port)
+static void mcast_groups_event(struct mcast_port *port,
+ enum mcast_group_state state)
{
struct mcast_group *group;
struct rb_node *node;
@@ -721,7 +751,8 @@ static void mcast_groups_lost(struct mcast_port *port)
atomic_inc(&group->refcount);
queue_work(mcast_wq, &group->work);
}
- group->state = MCAST_ERROR;
+ if (group->state != MCAST_GROUP_ERROR)
+ group->state = state;
spin_unlock(&group->lock);
}
spin_unlock_irqrestore(&port->lock, flags);
@@ -731,16 +762,20 @@ static void mcast_event_handler(struct ib_event_handler *handler,
struct ib_event *event)
{
struct mcast_device *dev;
+ int index;
dev = container_of(handler, struct mcast_device, event_handler);
+ index = event->element.port_num - dev->start_port;
switch (event->event) {
case IB_EVENT_PORT_ERR:
case IB_EVENT_LID_CHANGE:
case IB_EVENT_SM_CHANGE:
case IB_EVENT_CLIENT_REREGISTER:
- mcast_groups_lost(&dev->port[event->element.port_num -
- dev->start_port]);
+ mcast_groups_event(&dev->port[index], MCAST_GROUP_ERROR);
+ break;
+ case IB_EVENT_PKEY_CHANGE:
+ mcast_groups_event(&dev->port[index], MCAST_PKEY_EVENT);
break;
default:
break;
diff --git a/drivers/infiniband/core/smi.h b/drivers/infiniband/core/smi.h
index 1cfc2984434f..aff96bac49b4 100644
--- a/drivers/infiniband/core/smi.h
+++ b/drivers/infiniband/core/smi.h
@@ -59,7 +59,8 @@ extern enum smi_action smi_handle_dr_smp_send(struct ib_smp *smp,
u8 node_type, int port_num);
/*
- * Return 1 if the SMP should be handled by the local SMA/SM via process_mad
+ * Return IB_SMI_HANDLE if the SMP should be handled by the local SMA/SM
+ * via process_mad
*/
static inline enum smi_action smi_check_local_smp(struct ib_smp *smp,
struct ib_device *device)
@@ -71,4 +72,19 @@ static inline enum smi_action smi_check_local_smp(struct ib_smp *smp,
(smp->hop_ptr == smp->hop_cnt + 1)) ?
IB_SMI_HANDLE : IB_SMI_DISCARD);
}
+
+/*
+ * Return IB_SMI_HANDLE if the SMP should be handled by the local SMA/SM
+ * via process_mad
+ */
+static inline enum smi_action smi_check_local_returning_smp(struct ib_smp *smp,
+ struct ib_device *device)
+{
+ /* C14-13:3 -- We're at the end of the DR segment of path */
+ /* C14-13:4 -- Hop Pointer == 0 -> give to SM */
+ return ((device->process_mad &&
+ ib_get_smp_direction(smp) &&
+ !smp->hop_ptr) ? IB_SMI_HANDLE : IB_SMI_DISCARD);
+}
+
#endif /* __SMI_H_ */
diff --git a/drivers/infiniband/core/ucm.c b/drivers/infiniband/core/ucm.c
index 424983f5b1ee..4291ab42a5b9 100644
--- a/drivers/infiniband/core/ucm.c
+++ b/drivers/infiniband/core/ucm.c
@@ -106,6 +106,9 @@ enum {
IB_UCM_MAX_DEVICES = 32
};
+/* ib_cm and ib_user_cm modules share /sys/class/infiniband_cm */
+extern struct class cm_class;
+
#define IB_UCM_BASE_DEV MKDEV(IB_UCM_MAJOR, IB_UCM_BASE_MINOR)
static void ib_ucm_add_one(struct ib_device *device);
@@ -1199,7 +1202,7 @@ static int ib_ucm_close(struct inode *inode, struct file *filp)
return 0;
}
-static void ib_ucm_release_class_dev(struct class_device *class_dev)
+static void ucm_release_class_dev(struct class_device *class_dev)
{
struct ib_ucm_device *dev;
@@ -1217,11 +1220,6 @@ static const struct file_operations ucm_fops = {
.poll = ib_ucm_poll,
};
-static struct class ucm_class = {
- .name = "infiniband_cm",
- .release = ib_ucm_release_class_dev
-};
-
static ssize_t show_ibdev(struct class_device *class_dev, char *buf)
{
struct ib_ucm_device *dev;
@@ -1257,9 +1255,10 @@ static void ib_ucm_add_one(struct ib_device *device)
if (cdev_add(&ucm_dev->dev, IB_UCM_BASE_DEV + ucm_dev->devnum, 1))
goto err;
- ucm_dev->class_dev.class = &ucm_class;
+ ucm_dev->class_dev.class = &cm_class;
ucm_dev->class_dev.dev = device->dma_device;
ucm_dev->class_dev.devt = ucm_dev->dev.dev;
+ ucm_dev->class_dev.release = ucm_release_class_dev;
snprintf(ucm_dev->class_dev.class_id, BUS_ID_SIZE, "ucm%d",
ucm_dev->devnum);
if (class_device_register(&ucm_dev->class_dev))
@@ -1306,40 +1305,34 @@ static int __init ib_ucm_init(void)
"infiniband_cm");
if (ret) {
printk(KERN_ERR "ucm: couldn't register device number\n");
- goto err;
+ goto error1;
}
- ret = class_register(&ucm_class);
- if (ret) {
- printk(KERN_ERR "ucm: couldn't create class infiniband_cm\n");
- goto err_chrdev;
- }
-
- ret = class_create_file(&ucm_class, &class_attr_abi_version);
+ ret = class_create_file(&cm_class, &class_attr_abi_version);
if (ret) {
printk(KERN_ERR "ucm: couldn't create abi_version attribute\n");
- goto err_class;
+ goto error2;
}
ret = ib_register_client(&ucm_client);
if (ret) {
printk(KERN_ERR "ucm: couldn't register client\n");
- goto err_class;
+ goto error3;
}
return 0;
-err_class:
- class_unregister(&ucm_class);
-err_chrdev:
+error3:
+ class_remove_file(&cm_class, &class_attr_abi_version);
+error2:
unregister_chrdev_region(IB_UCM_BASE_DEV, IB_UCM_MAX_DEVICES);
-err:
+error1:
return ret;
}
static void __exit ib_ucm_cleanup(void)
{
ib_unregister_client(&ucm_client);
- class_unregister(&ucm_class);
+ class_remove_file(&cm_class, &class_attr_abi_version);
unregister_chrdev_region(IB_UCM_BASE_DEV, IB_UCM_MAX_DEVICES);
idr_destroy(&ctx_id_table);
}
diff --git a/drivers/infiniband/core/ucma.c b/drivers/infiniband/core/ucma.c
index 90d675ad9ec8..15937eb38aae 100644
--- a/drivers/infiniband/core/ucma.c
+++ b/drivers/infiniband/core/ucma.c
@@ -31,6 +31,7 @@
*/
#include <linux/completion.h>
+#include <linux/file.h>
#include <linux/mutex.h>
#include <linux/poll.h>
#include <linux/idr.h>
@@ -991,6 +992,96 @@ out:
return ret;
}
+static void ucma_lock_files(struct ucma_file *file1, struct ucma_file *file2)
+{
+ /* Acquire mutex's based on pointer comparison to prevent deadlock. */
+ if (file1 < file2) {
+ mutex_lock(&file1->mut);
+ mutex_lock(&file2->mut);
+ } else {
+ mutex_lock(&file2->mut);
+ mutex_lock(&file1->mut);
+ }
+}
+
+static void ucma_unlock_files(struct ucma_file *file1, struct ucma_file *file2)
+{
+ if (file1 < file2) {
+ mutex_unlock(&file2->mut);
+ mutex_unlock(&file1->mut);
+ } else {
+ mutex_unlock(&file1->mut);
+ mutex_unlock(&file2->mut);
+ }
+}
+
+static void ucma_move_events(struct ucma_context *ctx, struct ucma_file *file)
+{
+ struct ucma_event *uevent, *tmp;
+
+ list_for_each_entry_safe(uevent, tmp, &ctx->file->event_list, list)
+ if (uevent->ctx == ctx)
+ list_move_tail(&uevent->list, &file->event_list);
+}
+
+static ssize_t ucma_migrate_id(struct ucma_file *new_file,
+ const char __user *inbuf,
+ int in_len, int out_len)
+{
+ struct rdma_ucm_migrate_id cmd;
+ struct rdma_ucm_migrate_resp resp;
+ struct ucma_context *ctx;
+ struct file *filp;
+ struct ucma_file *cur_file;
+ int ret = 0;
+
+ if (copy_from_user(&cmd, inbuf, sizeof(cmd)))
+ return -EFAULT;
+
+ /* Get current fd to protect against it being closed */
+ filp = fget(cmd.fd);
+ if (!filp)
+ return -ENOENT;
+
+ /* Validate current fd and prevent destruction of id. */
+ ctx = ucma_get_ctx(filp->private_data, cmd.id);
+ if (IS_ERR(ctx)) {
+ ret = PTR_ERR(ctx);
+ goto file_put;
+ }
+
+ cur_file = ctx->file;
+ if (cur_file == new_file) {
+ resp.events_reported = ctx->events_reported;
+ goto response;
+ }
+
+ /*
+ * Migrate events between fd's, maintaining order, and avoiding new
+ * events being added before existing events.
+ */
+ ucma_lock_files(cur_file, new_file);
+ mutex_lock(&mut);
+
+ list_move_tail(&ctx->list, &new_file->ctx_list);
+ ucma_move_events(ctx, new_file);
+ ctx->file = new_file;
+ resp.events_reported = ctx->events_reported;
+
+ mutex_unlock(&mut);
+ ucma_unlock_files(cur_file, new_file);
+
+response:
+ if (copy_to_user((void __user *)(unsigned long)cmd.response,
+ &resp, sizeof(resp)))
+ ret = -EFAULT;
+
+ ucma_put_ctx(ctx);
+file_put:
+ fput(filp);
+ return ret;
+}
+
static ssize_t (*ucma_cmd_table[])(struct ucma_file *file,
const char __user *inbuf,
int in_len, int out_len) = {
@@ -1012,6 +1103,7 @@ static ssize_t (*ucma_cmd_table[])(struct ucma_file *file,
[RDMA_USER_CM_CMD_NOTIFY] = ucma_notify,
[RDMA_USER_CM_CMD_JOIN_MCAST] = ucma_join_multicast,
[RDMA_USER_CM_CMD_LEAVE_MCAST] = ucma_leave_multicast,
+ [RDMA_USER_CM_CMD_MIGRATE_ID] = ucma_migrate_id
};
static ssize_t ucma_write(struct file *filp, const char __user *buf,
diff --git a/drivers/infiniband/core/user_mad.c b/drivers/infiniband/core/user_mad.c
index b53eac4611de..4e915104ac4c 100644
--- a/drivers/infiniband/core/user_mad.c
+++ b/drivers/infiniband/core/user_mad.c
@@ -2,6 +2,7 @@
* Copyright (c) 2004 Topspin Communications. All rights reserved.
* Copyright (c) 2005 Voltaire, Inc. All rights reserved.
* Copyright (c) 2005 Sun Microsystems, Inc. All rights reserved.
+ * Copyright (c) 2008 Cisco. All rights reserved.
*
* This software is available to you under a choice of one of two
* licenses. You may choose to be licensed under the terms of the GNU
@@ -42,7 +43,7 @@
#include <linux/cdev.h>
#include <linux/dma-mapping.h>
#include <linux/poll.h>
-#include <linux/rwsem.h>
+#include <linux/mutex.h>
#include <linux/kref.h>
#include <linux/compat.h>
@@ -94,7 +95,7 @@ struct ib_umad_port {
struct class_device *sm_class_dev;
struct semaphore sm_sem;
- struct rw_semaphore mutex;
+ struct mutex file_mutex;
struct list_head file_list;
struct ib_device *ib_dev;
@@ -110,11 +111,11 @@ struct ib_umad_device {
};
struct ib_umad_file {
+ struct mutex mutex;
struct ib_umad_port *port;
struct list_head recv_list;
struct list_head send_list;
struct list_head port_list;
- spinlock_t recv_lock;
spinlock_t send_lock;
wait_queue_head_t recv_wait;
struct ib_mad_agent *agent[IB_UMAD_MAX_AGENTS];
@@ -156,7 +157,7 @@ static int hdr_size(struct ib_umad_file *file)
sizeof (struct ib_user_mad_hdr_old);
}
-/* caller must hold port->mutex at least for reading */
+/* caller must hold file->mutex */
static struct ib_mad_agent *__get_agent(struct ib_umad_file *file, int id)
{
return file->agents_dead ? NULL : file->agent[id];
@@ -168,32 +169,30 @@ static int queue_packet(struct ib_umad_file *file,
{
int ret = 1;
- down_read(&file->port->mutex);
+ mutex_lock(&file->mutex);
for (packet->mad.hdr.id = 0;
packet->mad.hdr.id < IB_UMAD_MAX_AGENTS;
packet->mad.hdr.id++)
if (agent == __get_agent(file, packet->mad.hdr.id)) {
- spin_lock_irq(&file->recv_lock);
list_add_tail(&packet->list, &file->recv_list);
- spin_unlock_irq(&file->recv_lock);
wake_up_interruptible(&file->recv_wait);
ret = 0;
break;
}
- up_read(&file->port->mutex);
+ mutex_unlock(&file->mutex);
return ret;
}
static void dequeue_send(struct ib_umad_file *file,
struct ib_umad_packet *packet)
- {
+{
spin_lock_irq(&file->send_lock);
list_del(&packet->list);
spin_unlock_irq(&file->send_lock);
- }
+}
static void send_handler(struct ib_mad_agent *agent,
struct ib_mad_send_wc *send_wc)
@@ -341,10 +340,10 @@ static ssize_t ib_umad_read(struct file *filp, char __user *buf,
if (count < hdr_size(file))
return -EINVAL;
- spin_lock_irq(&file->recv_lock);
+ mutex_lock(&file->mutex);
while (list_empty(&file->recv_list)) {
- spin_unlock_irq(&file->recv_lock);
+ mutex_unlock(&file->mutex);
if (filp->f_flags & O_NONBLOCK)
return -EAGAIN;
@@ -353,13 +352,13 @@ static ssize_t ib_umad_read(struct file *filp, char __user *buf,
!list_empty(&file->recv_list)))
return -ERESTARTSYS;
- spin_lock_irq(&file->recv_lock);
+ mutex_lock(&file->mutex);
}
packet = list_entry(file->recv_list.next, struct ib_umad_packet, list);
list_del(&packet->list);
- spin_unlock_irq(&file->recv_lock);
+ mutex_unlock(&file->mutex);
if (packet->recv_wc)
ret = copy_recv_mad(file, buf, packet, count);
@@ -368,9 +367,9 @@ static ssize_t ib_umad_read(struct file *filp, char __user *buf,
if (ret < 0) {
/* Requeue packet */
- spin_lock_irq(&file->recv_lock);
+ mutex_lock(&file->mutex);
list_add(&packet->list, &file->recv_list);
- spin_unlock_irq(&file->recv_lock);
+ mutex_unlock(&file->mutex);
} else {
if (packet->recv_wc)
ib_free_recv_mad(packet->recv_wc);
@@ -481,7 +480,7 @@ static ssize_t ib_umad_write(struct file *filp, const char __user *buf,
goto err;
}
- down_read(&file->port->mutex);
+ mutex_lock(&file->mutex);
agent = __get_agent(file, packet->mad.hdr.id);
if (!agent) {
@@ -577,7 +576,7 @@ static ssize_t ib_umad_write(struct file *filp, const char __user *buf,
if (ret)
goto err_send;
- up_read(&file->port->mutex);
+ mutex_unlock(&file->mutex);
return count;
err_send:
@@ -587,7 +586,7 @@ err_msg:
err_ah:
ib_destroy_ah(ah);
err_up:
- up_read(&file->port->mutex);
+ mutex_unlock(&file->mutex);
err:
kfree(packet);
return ret;
@@ -613,11 +612,12 @@ static int ib_umad_reg_agent(struct ib_umad_file *file, void __user *arg,
{
struct ib_user_mad_reg_req ureq;
struct ib_mad_reg_req req;
- struct ib_mad_agent *agent;
+ struct ib_mad_agent *agent = NULL;
int agent_id;
int ret;
- down_write(&file->port->mutex);
+ mutex_lock(&file->port->file_mutex);
+ mutex_lock(&file->mutex);
if (!file->port->ib_dev) {
ret = -EPIPE;
@@ -666,13 +666,13 @@ found:
send_handler, recv_handler, file);
if (IS_ERR(agent)) {
ret = PTR_ERR(agent);
+ agent = NULL;
goto out;
}
if (put_user(agent_id,
(u32 __user *) (arg + offsetof(struct ib_user_mad_reg_req, id)))) {
ret = -EFAULT;
- ib_unregister_mad_agent(agent);
goto out;
}
@@ -690,7 +690,13 @@ found:
ret = 0;
out:
- up_write(&file->port->mutex);
+ mutex_unlock(&file->mutex);
+
+ if (ret && agent)
+ ib_unregister_mad_agent(agent);
+
+ mutex_unlock(&file->port->file_mutex);
+
return ret;
}
@@ -703,7 +709,8 @@ static int ib_umad_unreg_agent(struct ib_umad_file *file, u32 __user *arg)
if (get_user(id, arg))
return -EFAULT;
- down_write(&file->port->mutex);
+ mutex_lock(&file->port->file_mutex);
+ mutex_lock(&file->mutex);
if (id < 0 || id >= IB_UMAD_MAX_AGENTS || !__get_agent(file, id)) {
ret = -EINVAL;
@@ -714,11 +721,13 @@ static int ib_umad_unreg_agent(struct ib_umad_file *file, u32 __user *arg)
file->agent[id] = NULL;
out:
- up_write(&file->port->mutex);
+ mutex_unlock(&file->mutex);
if (agent)
ib_unregister_mad_agent(agent);
+ mutex_unlock(&file->port->file_mutex);
+
return ret;
}
@@ -726,12 +735,12 @@ static long ib_umad_enable_pkey(struct ib_umad_file *file)
{
int ret = 0;
- down_write(&file->port->mutex);
+ mutex_lock(&file->mutex);
if (file->already_used)
ret = -EINVAL;
else
file->use_pkey_index = 1;
- up_write(&file->port->mutex);
+ mutex_unlock(&file->mutex);
return ret;
}
@@ -783,7 +792,7 @@ static int ib_umad_open(struct inode *inode, struct file *filp)
if (!port)
return -ENXIO;
- down_write(&port->mutex);
+ mutex_lock(&port->file_mutex);
if (!port->ib_dev) {
ret = -ENXIO;
@@ -797,7 +806,7 @@ static int ib_umad_open(struct inode *inode, struct file *filp)
goto out;
}
- spin_lock_init(&file->recv_lock);
+ mutex_init(&file->mutex);
spin_lock_init(&file->send_lock);
INIT_LIST_HEAD(&file->recv_list);
INIT_LIST_HEAD(&file->send_list);
@@ -809,7 +818,7 @@ static int ib_umad_open(struct inode *inode, struct file *filp)
list_add_tail(&file->port_list, &port->file_list);
out:
- up_write(&port->mutex);
+ mutex_unlock(&port->file_mutex);
return ret;
}
@@ -821,7 +830,8 @@ static int ib_umad_close(struct inode *inode, struct file *filp)
int already_dead;
int i;
- down_write(&file->port->mutex);
+ mutex_lock(&file->port->file_mutex);
+ mutex_lock(&file->mutex);
already_dead = file->agents_dead;
file->agents_dead = 1;
@@ -834,14 +844,14 @@ static int ib_umad_close(struct inode *inode, struct file *filp)
list_del(&file->port_list);
- downgrade_write(&file->port->mutex);
+ mutex_unlock(&file->mutex);
if (!already_dead)
for (i = 0; i < IB_UMAD_MAX_AGENTS; ++i)
if (file->agent[i])
ib_unregister_mad_agent(file->agent[i]);
- up_read(&file->port->mutex);
+ mutex_unlock(&file->port->file_mutex);
kfree(file);
kref_put(&dev->ref, ib_umad_release_dev);
@@ -914,10 +924,10 @@ static int ib_umad_sm_close(struct inode *inode, struct file *filp)
};
int ret = 0;
- down_write(&port->mutex);
+ mutex_lock(&port->file_mutex);
if (port->ib_dev)
ret = ib_modify_port(port->ib_dev, port->port_num, 0, &props);
- up_write(&port->mutex);
+ mutex_unlock(&port->file_mutex);
up(&port->sm_sem);
@@ -981,7 +991,7 @@ static int ib_umad_init_port(struct ib_device *device, int port_num,
port->ib_dev = device;
port->port_num = port_num;
init_MUTEX(&port->sm_sem);
- init_rwsem(&port->mutex);
+ mutex_init(&port->file_mutex);
INIT_LIST_HEAD(&port->file_list);
port->dev = cdev_alloc();
@@ -1052,6 +1062,7 @@ err_cdev:
static void ib_umad_kill_port(struct ib_umad_port *port)
{
struct ib_umad_file *file;
+ int already_dead;
int id;
class_set_devdata(port->class_dev, NULL);
@@ -1067,42 +1078,22 @@ static void ib_umad_kill_port(struct ib_umad_port *port)
umad_port[port->dev_num] = NULL;
spin_unlock(&port_lock);
- down_write(&port->mutex);
+ mutex_lock(&port->file_mutex);
port->ib_dev = NULL;
- /*
- * Now go through the list of files attached to this port and
- * unregister all of their MAD agents. We need to hold
- * port->mutex while doing this to avoid racing with
- * ib_umad_close(), but we can't hold the mutex for writing
- * while calling ib_unregister_mad_agent(), since that might
- * deadlock by calling back into queue_packet(). So we
- * downgrade our lock to a read lock, and then drop and
- * reacquire the write lock for the next iteration.
- *
- * We do list_del_init() on the file's list_head so that the
- * list_del in ib_umad_close() is still OK, even after the
- * file is removed from the list.
- */
- while (!list_empty(&port->file_list)) {
- file = list_entry(port->file_list.next, struct ib_umad_file,
- port_list);
-
+ list_for_each_entry(file, &port->file_list, port_list) {
+ mutex_lock(&file->mutex);
+ already_dead = file->agents_dead;
file->agents_dead = 1;
- list_del_init(&file->port_list);
-
- downgrade_write(&port->mutex);
+ mutex_unlock(&file->mutex);
for (id = 0; id < IB_UMAD_MAX_AGENTS; ++id)
if (file->agent[id])
ib_unregister_mad_agent(file->agent[id]);
-
- up_read(&port->mutex);
- down_write(&port->mutex);
}
- up_write(&port->mutex);
+ mutex_unlock(&port->file_mutex);
clear_bit(port->dev_num, dev_map);
}
diff --git a/drivers/infiniband/hw/cxgb3/cxio_hal.c b/drivers/infiniband/hw/cxgb3/cxio_hal.c
index eec6a30840ca..03c5ff62889a 100644
--- a/drivers/infiniband/hw/cxgb3/cxio_hal.c
+++ b/drivers/infiniband/hw/cxgb3/cxio_hal.c
@@ -179,7 +179,7 @@ int cxio_create_cq(struct cxio_rdev *rdev_p, struct t3_cq *cq)
setup.size = 1UL << cq->size_log2;
setup.credits = 65535;
setup.credit_thres = 1;
- if (rdev_p->t3cdev_p->type == T3B)
+ if (rdev_p->t3cdev_p->type != T3A)
setup.ovfl_mode = 0;
else
setup.ovfl_mode = 1;
@@ -584,7 +584,7 @@ static int cxio_hal_ctrl_qp_write_mem(struct cxio_rdev *rdev_p, u32 addr,
{
u32 i, nr_wqe, copy_len;
u8 *copy_data;
- u8 wr_len, utx_len; /* lenght in 8 byte flit */
+ u8 wr_len, utx_len; /* length in 8 byte flit */
enum t3_wr_flags flag;
__be64 *wqe;
u64 utx_cmd;
diff --git a/drivers/infiniband/hw/cxgb3/cxio_wr.h b/drivers/infiniband/hw/cxgb3/cxio_wr.h
index c84d4ac49355..969d4d928455 100644
--- a/drivers/infiniband/hw/cxgb3/cxio_wr.h
+++ b/drivers/infiniband/hw/cxgb3/cxio_wr.h
@@ -315,7 +315,7 @@ struct t3_rdma_init_wr {
__be32 ird;
__be64 qp_dma_addr; /* 7 */
__be32 qp_dma_size; /* 8 */
- u32 irs;
+ __be32 irs;
};
struct t3_genbit {
@@ -324,7 +324,8 @@ struct t3_genbit {
};
enum rdma_init_wr_flags {
- RECVS_POSTED = 1,
+ RECVS_POSTED = (1<<0),
+ PRIV_QP = (1<<1),
};
union t3_wr {
diff --git a/drivers/infiniband/hw/cxgb3/iwch_cm.c b/drivers/infiniband/hw/cxgb3/iwch_cm.c
index 20ba372dd182..f8cb0fe748c3 100644
--- a/drivers/infiniband/hw/cxgb3/iwch_cm.c
+++ b/drivers/infiniband/hw/cxgb3/iwch_cm.c
@@ -1118,7 +1118,7 @@ static int act_open_rpl(struct t3cdev *tdev, struct sk_buff *skb, void *ctx)
status2errno(rpl->status));
connect_reply_upcall(ep, status2errno(rpl->status));
state_set(&ep->com, DEAD);
- if (ep->com.tdev->type == T3B && act_open_has_tid(rpl->status))
+ if (ep->com.tdev->type != T3A && act_open_has_tid(rpl->status))
release_tid(ep->com.tdev, GET_TID(rpl), NULL);
cxgb3_free_atid(ep->com.tdev, ep->atid);
dst_release(ep->dst);
@@ -1249,7 +1249,7 @@ static void reject_cr(struct t3cdev *tdev, u32 hwtid, __be32 peer_ip,
skb_trim(skb, sizeof(struct cpl_tid_release));
skb_get(skb);
- if (tdev->type == T3B)
+ if (tdev->type != T3A)
release_tid(tdev, hwtid, skb);
else {
struct cpl_pass_accept_rpl *rpl;
diff --git a/drivers/infiniband/hw/cxgb3/iwch_mem.c b/drivers/infiniband/hw/cxgb3/iwch_mem.c
index a6c2c4ba29e6..73bfd1656f86 100644
--- a/drivers/infiniband/hw/cxgb3/iwch_mem.c
+++ b/drivers/infiniband/hw/cxgb3/iwch_mem.c
@@ -122,6 +122,13 @@ int build_phys_page_list(struct ib_phys_buf *buffer_list,
*total_size += buffer_list[i].size;
if (i > 0)
mask |= buffer_list[i].addr;
+ else
+ mask |= buffer_list[i].addr & PAGE_MASK;
+ if (i != num_phys_buf - 1)
+ mask |= buffer_list[i].addr + buffer_list[i].size;
+ else
+ mask |= (buffer_list[i].addr + buffer_list[i].size +
+ PAGE_SIZE - 1) & PAGE_MASK;
}
if (*total_size > 0xFFFFFFFFULL)
diff --git a/drivers/infiniband/hw/cxgb3/iwch_provider.c b/drivers/infiniband/hw/cxgb3/iwch_provider.c
index b5436ca92e68..df1838f8f94d 100644
--- a/drivers/infiniband/hw/cxgb3/iwch_provider.c
+++ b/drivers/infiniband/hw/cxgb3/iwch_provider.c
@@ -39,6 +39,7 @@
#include <linux/list.h>
#include <linux/spinlock.h>
#include <linux/ethtool.h>
+#include <linux/rtnetlink.h>
#include <asm/io.h>
#include <asm/irq.h>
@@ -645,7 +646,7 @@ static struct ib_mr *iwch_reg_user_mr(struct ib_pd *pd, u64 start, u64 length,
if (err)
goto err;
- if (udata && t3b_device(rhp)) {
+ if (udata && !t3a_device(rhp)) {
uresp.pbl_addr = (mhp->attr.pbl_addr -
rhp->rdev.rnic_info.pbl_base) >> 3;
PDBG("%s user resp pbl_addr 0x%x\n", __FUNCTION__,
@@ -1053,7 +1054,9 @@ static ssize_t show_fw_ver(struct class_device *cdev, char *buf)
struct net_device *lldev = dev->rdev.t3cdev_p->lldev;
PDBG("%s class dev 0x%p\n", __FUNCTION__, cdev);
+ rtnl_lock();
lldev->ethtool_ops->get_drvinfo(lldev, &info);
+ rtnl_unlock();
return sprintf(buf, "%s\n", info.fw_version);
}
@@ -1065,7 +1068,9 @@ static ssize_t show_hca(struct class_device *cdev, char *buf)
struct net_device *lldev = dev->rdev.t3cdev_p->lldev;
PDBG("%s class dev 0x%p\n", __FUNCTION__, cdev);
+ rtnl_lock();
lldev->ethtool_ops->get_drvinfo(lldev, &info);
+ rtnl_unlock();
return sprintf(buf, "%s\n", info.driver);
}
diff --git a/drivers/infiniband/hw/cxgb3/iwch_qp.c b/drivers/infiniband/hw/cxgb3/iwch_qp.c
index dd89b6b91f9c..ea2cdd73dd85 100644
--- a/drivers/infiniband/hw/cxgb3/iwch_qp.c
+++ b/drivers/infiniband/hw/cxgb3/iwch_qp.c
@@ -208,36 +208,19 @@ static int iwch_sgl2pbl_map(struct iwch_dev *rhp, struct ib_sge *sg_list,
static int iwch_build_rdma_recv(struct iwch_dev *rhp, union t3_wr *wqe,
struct ib_recv_wr *wr)
{
- int i, err = 0;
- u32 pbl_addr[4];
- u8 page_size[4];
+ int i;
if (wr->num_sge > T3_MAX_SGE)
return -EINVAL;
- err = iwch_sgl2pbl_map(rhp, wr->sg_list, wr->num_sge, pbl_addr,
- page_size);
- if (err)
- return err;
- wqe->recv.pagesz[0] = page_size[0];
- wqe->recv.pagesz[1] = page_size[1];
- wqe->recv.pagesz[2] = page_size[2];
- wqe->recv.pagesz[3] = page_size[3];
wqe->recv.num_sgle = cpu_to_be32(wr->num_sge);
for (i = 0; i < wr->num_sge; i++) {
wqe->recv.sgl[i].stag = cpu_to_be32(wr->sg_list[i].lkey);
wqe->recv.sgl[i].len = cpu_to_be32(wr->sg_list[i].length);
-
- /* to in the WQE == the offset into the page */
- wqe->recv.sgl[i].to = cpu_to_be64(((u32) wr->sg_list[i].addr) %
- (1UL << (12 + page_size[i])));
-
- /* pbl_addr is the adapters address in the PBL */
- wqe->recv.pbl_addr[i] = cpu_to_be32(pbl_addr[i]);
+ wqe->recv.sgl[i].to = cpu_to_be64(wr->sg_list[i].addr);
}
for (; i < T3_MAX_SGE; i++) {
wqe->recv.sgl[i].stag = 0;
wqe->recv.sgl[i].len = 0;
wqe->recv.sgl[i].to = 0;
- wqe->recv.pbl_addr[i] = 0;
}
return 0;
}
@@ -659,6 +642,7 @@ static void __flush_qp(struct iwch_qp *qhp, unsigned long *flag)
cxio_flush_rq(&qhp->wq, &rchp->cq, count);
spin_unlock(&qhp->lock);
spin_unlock_irqrestore(&rchp->lock, *flag);
+ (*rchp->ibcq.comp_handler)(&rchp->ibcq, rchp->ibcq.cq_context);
/* locking heirarchy: cq lock first, then qp lock. */
spin_lock_irqsave(&schp->lock, *flag);
@@ -668,6 +652,7 @@ static void __flush_qp(struct iwch_qp *qhp, unsigned long *flag)
cxio_flush_sq(&qhp->wq, &schp->cq, count);
spin_unlock(&qhp->lock);
spin_unlock_irqrestore(&schp->lock, *flag);
+ (*schp->ibcq.comp_handler)(&schp->ibcq, schp->ibcq.cq_context);
/* deref */
if (atomic_dec_and_test(&qhp->refcnt))
@@ -678,7 +663,7 @@ static void __flush_qp(struct iwch_qp *qhp, unsigned long *flag)
static void flush_qp(struct iwch_qp *qhp, unsigned long *flag)
{
- if (t3b_device(qhp->rhp))
+ if (qhp->ibqp.uobject)
cxio_set_wq_in_error(&qhp->wq);
else
__flush_qp(qhp, flag);
@@ -732,6 +717,7 @@ static int rdma_init(struct iwch_dev *rhp, struct iwch_qp *qhp,
init_attr.qp_dma_addr = qhp->wq.dma_addr;
init_attr.qp_dma_size = (1UL << qhp->wq.size_log2);
init_attr.flags = rqes_posted(qhp) ? RECVS_POSTED : 0;
+ init_attr.flags |= capable(CAP_NET_BIND_SERVICE) ? PRIV_QP : 0;
init_attr.irs = qhp->ep->rcv_seq;
PDBG("%s init_attr.rq_addr 0x%x init_attr.rq_size = %d "
"flags 0x%x qpcaps 0x%x\n", __FUNCTION__,
@@ -847,10 +833,11 @@ int iwch_modify_qp(struct iwch_dev *rhp, struct iwch_qp *qhp,
disconnect = 1;
ep = qhp->ep;
}
+ flush_qp(qhp, &flag);
break;
case IWCH_QP_STATE_TERMINATE:
qhp->attr.state = IWCH_QP_STATE_TERMINATE;
- if (t3b_device(qhp->rhp))
+ if (qhp->ibqp.uobject)
cxio_set_wq_in_error(&qhp->wq);
if (!internal)
terminate = 1;
diff --git a/drivers/infiniband/hw/ehca/ehca_av.c b/drivers/infiniband/hw/ehca/ehca_av.c
index f7782c882ab4..194c1c30cf63 100644
--- a/drivers/infiniband/hw/ehca/ehca_av.c
+++ b/drivers/infiniband/hw/ehca/ehca_av.c
@@ -1,7 +1,7 @@
/*
* IBM eServer eHCA Infiniband device driver for Linux on POWER
*
- * adress vector functions
+ * address vector functions
*
* Authors: Hoang-Nam Nguyen <hnguyen@de.ibm.com>
* Khadija Souissi <souissik@de.ibm.com>
diff --git a/drivers/infiniband/hw/ehca/ehca_classes.h b/drivers/infiniband/hw/ehca/ehca_classes.h
index 74d2b72a11d8..f281d16040f5 100644
--- a/drivers/infiniband/hw/ehca/ehca_classes.h
+++ b/drivers/infiniband/hw/ehca/ehca_classes.h
@@ -94,7 +94,11 @@ struct ehca_sma_attr {
struct ehca_sport {
struct ib_cq *ibcq_aqp1;
- struct ib_qp *ibqp_aqp1;
+ struct ib_qp *ibqp_sqp[2];
+ /* lock to serialze modify_qp() calls for sqp in normal
+ * and irq path (when event PORT_ACTIVE is received first time)
+ */
+ spinlock_t mod_sqp_lock;
enum ib_port_state port_state;
struct ehca_sma_attr saved_attr;
};
@@ -141,6 +145,14 @@ enum ehca_ext_qp_type {
EQPT_SRQ = 3,
};
+/* struct to cache modify_qp()'s parms for GSI/SMI qp */
+struct ehca_mod_qp_parm {
+ int mask;
+ struct ib_qp_attr attr;
+};
+
+#define EHCA_MOD_QP_PARM_MAX 4
+
struct ehca_qp {
union {
struct ib_qp ib_qp;
@@ -164,10 +176,18 @@ struct ehca_qp {
struct ehca_cq *recv_cq;
unsigned int sqerr_purgeflag;
struct hlist_node list_entries;
+ /* array to cache modify_qp()'s parms for GSI/SMI qp */
+ struct ehca_mod_qp_parm *mod_qp_parm;
+ int mod_qp_parm_idx;
/* mmap counter for resources mapped into user space */
u32 mm_count_squeue;
u32 mm_count_rqueue;
u32 mm_count_galpa;
+ /* unsolicited ack circumvention */
+ int unsol_ack_circ;
+ int mtu_shift;
+ u32 message_count;
+ u32 packet_count;
};
#define IS_SRQ(qp) (qp->ext_type == EQPT_SRQ)
@@ -323,6 +343,7 @@ extern int ehca_port_act_time;
extern int ehca_use_hp_mr;
extern int ehca_scaling_code;
extern int ehca_lock_hcalls;
+extern int ehca_nr_ports;
struct ipzu_queue_resp {
u32 qe_size; /* queue entry size */
diff --git a/drivers/infiniband/hw/ehca/ehca_cq.c b/drivers/infiniband/hw/ehca/ehca_cq.c
index 79c25f51c21e..0467c158d4a9 100644
--- a/drivers/infiniband/hw/ehca/ehca_cq.c
+++ b/drivers/infiniband/hw/ehca/ehca_cq.c
@@ -246,7 +246,7 @@ struct ib_cq *ehca_create_cq(struct ib_device *device, int cqe, int comp_vector,
} else {
if (h_ret != H_PAGE_REGISTERED) {
ehca_err(device, "Registration of page failed "
- "ehca_cq=%p cq_num=%x h_ret=%li"
+ "ehca_cq=%p cq_num=%x h_ret=%li "
"counter=%i act_pages=%i",
my_cq, my_cq->cq_number,
h_ret, counter, param.act_pages);
diff --git a/drivers/infiniband/hw/ehca/ehca_irq.c b/drivers/infiniband/hw/ehca/ehca_irq.c
index 3f617b27b954..863b34fa9ff9 100644
--- a/drivers/infiniband/hw/ehca/ehca_irq.c
+++ b/drivers/infiniband/hw/ehca/ehca_irq.c
@@ -62,6 +62,7 @@
#define NEQE_PORT_NUMBER EHCA_BMASK_IBM( 8, 15)
#define NEQE_PORT_AVAILABILITY EHCA_BMASK_IBM(16, 16)
#define NEQE_DISRUPTIVE EHCA_BMASK_IBM(16, 16)
+#define NEQE_SPECIFIC_EVENT EHCA_BMASK_IBM(16, 23)
#define ERROR_DATA_LENGTH EHCA_BMASK_IBM(52, 63)
#define ERROR_DATA_TYPE EHCA_BMASK_IBM( 0, 7)
@@ -354,17 +355,34 @@ static void parse_ec(struct ehca_shca *shca, u64 eqe)
{
u8 ec = EHCA_BMASK_GET(NEQE_EVENT_CODE, eqe);
u8 port = EHCA_BMASK_GET(NEQE_PORT_NUMBER, eqe);
+ u8 spec_event;
+ struct ehca_sport *sport = &shca->sport[port - 1];
+ unsigned long flags;
switch (ec) {
case 0x30: /* port availability change */
if (EHCA_BMASK_GET(NEQE_PORT_AVAILABILITY, eqe)) {
- shca->sport[port - 1].port_state = IB_PORT_ACTIVE;
+ int suppress_event;
+ /* replay modify_qp for sqps */
+ spin_lock_irqsave(&sport->mod_sqp_lock, flags);
+ suppress_event = !sport->ibqp_sqp[IB_QPT_GSI];
+ if (sport->ibqp_sqp[IB_QPT_SMI])
+ ehca_recover_sqp(sport->ibqp_sqp[IB_QPT_SMI]);
+ if (!suppress_event)
+ ehca_recover_sqp(sport->ibqp_sqp[IB_QPT_GSI]);
+ spin_unlock_irqrestore(&sport->mod_sqp_lock, flags);
+
+ /* AQP1 was destroyed, ignore this event */
+ if (suppress_event)
+ break;
+
+ sport->port_state = IB_PORT_ACTIVE;
dispatch_port_event(shca, port, IB_EVENT_PORT_ACTIVE,
"is active");
ehca_query_sma_attr(shca, port,
- &shca->sport[port - 1].saved_attr);
+ &sport->saved_attr);
} else {
- shca->sport[port - 1].port_state = IB_PORT_DOWN;
+ sport->port_state = IB_PORT_DOWN;
dispatch_port_event(shca, port, IB_EVENT_PORT_ERR,
"is inactive");
}
@@ -378,11 +396,11 @@ static void parse_ec(struct ehca_shca *shca, u64 eqe)
ehca_warn(&shca->ib_device, "disruptive port "
"%d configuration change", port);
- shca->sport[port - 1].port_state = IB_PORT_DOWN;
+ sport->port_state = IB_PORT_DOWN;
dispatch_port_event(shca, port, IB_EVENT_PORT_ERR,
"is inactive");
- shca->sport[port - 1].port_state = IB_PORT_ACTIVE;
+ sport->port_state = IB_PORT_ACTIVE;
dispatch_port_event(shca, port, IB_EVENT_PORT_ACTIVE,
"is active");
} else
@@ -394,6 +412,16 @@ static void parse_ec(struct ehca_shca *shca, u64 eqe)
case 0x33: /* trace stopped */
ehca_err(&shca->ib_device, "Traced stopped.");
break;
+ case 0x34: /* util async event */
+ spec_event = EHCA_BMASK_GET(NEQE_SPECIFIC_EVENT, eqe);
+ if (spec_event == 0x80) /* client reregister required */
+ dispatch_port_event(shca, port,
+ IB_EVENT_CLIENT_REREGISTER,
+ "client reregister req.");
+ else
+ ehca_warn(&shca->ib_device, "Unknown util async "
+ "event %x on port %x", spec_event, port);
+ break;
default:
ehca_err(&shca->ib_device, "Unknown event code: %x on %s.",
ec, shca->ib_device.name);
diff --git a/drivers/infiniband/hw/ehca/ehca_iverbs.h b/drivers/infiniband/hw/ehca/ehca_iverbs.h
index 5485799cdc8d..c469bfde2708 100644
--- a/drivers/infiniband/hw/ehca/ehca_iverbs.h
+++ b/drivers/infiniband/hw/ehca/ehca_iverbs.h
@@ -200,4 +200,6 @@ void ehca_free_fw_ctrlblock(void *ptr);
#define ehca_free_fw_ctrlblock(ptr) free_page((unsigned long)(ptr))
#endif
+void ehca_recover_sqp(struct ib_qp *sqp);
+
#endif
diff --git a/drivers/infiniband/hw/ehca/ehca_main.c b/drivers/infiniband/hw/ehca/ehca_main.c
index c9e32b46387f..84c9b7b8669b 100644
--- a/drivers/infiniband/hw/ehca/ehca_main.c
+++ b/drivers/infiniband/hw/ehca/ehca_main.c
@@ -90,7 +90,8 @@ MODULE_PARM_DESC(hw_level,
"hardware level"
" (0: autosensing (default), 1: v. 0.20, 2: v. 0.21)");
MODULE_PARM_DESC(nr_ports,
- "number of connected ports (default: 2)");
+ "number of connected ports (-1: autodetect, 1: port one only, "
+ "2: two ports (default)");
MODULE_PARM_DESC(use_hp_mr,
"high performance MRs (0: no (default), 1: yes)");
MODULE_PARM_DESC(port_act_time,
@@ -511,7 +512,7 @@ static int ehca_create_aqp1(struct ehca_shca *shca, u32 port)
}
sport->ibcq_aqp1 = ibcq;
- if (sport->ibqp_aqp1) {
+ if (sport->ibqp_sqp[IB_QPT_GSI]) {
ehca_err(&shca->ib_device, "AQP1 QP is already created.");
ret = -EPERM;
goto create_aqp1;
@@ -537,7 +538,7 @@ static int ehca_create_aqp1(struct ehca_shca *shca, u32 port)
ret = PTR_ERR(ibqp);
goto create_aqp1;
}
- sport->ibqp_aqp1 = ibqp;
+ sport->ibqp_sqp[IB_QPT_GSI] = ibqp;
return 0;
@@ -550,7 +551,7 @@ static int ehca_destroy_aqp1(struct ehca_sport *sport)
{
int ret;
- ret = ib_destroy_qp(sport->ibqp_aqp1);
+ ret = ib_destroy_qp(sport->ibqp_sqp[IB_QPT_GSI]);
if (ret) {
ehca_gen_err("Cannot destroy AQP1 QP. ret=%i", ret);
return ret;
@@ -693,7 +694,7 @@ static int __devinit ehca_probe(struct of_device *dev,
struct ehca_shca *shca;
const u64 *handle;
struct ib_pd *ibpd;
- int ret;
+ int ret, i;
handle = of_get_property(dev->node, "ibm,hca-handle", NULL);
if (!handle) {
@@ -714,6 +715,8 @@ static int __devinit ehca_probe(struct of_device *dev,
return -ENOMEM;
}
mutex_init(&shca->modify_mutex);
+ for (i = 0; i < ARRAY_SIZE(shca->sport); i++)
+ spin_lock_init(&shca->sport[i].mod_sqp_lock);
shca->ofdev = dev;
shca->ipz_hca_handle.handle = *handle;
@@ -934,7 +937,7 @@ void ehca_poll_eqs(unsigned long data)
ehca_process_eq(shca, 0);
}
}
- mod_timer(&poll_eqs_timer, jiffies + HZ);
+ mod_timer(&poll_eqs_timer, round_jiffies(jiffies + HZ));
spin_unlock(&shca_list_lock);
}
diff --git a/drivers/infiniband/hw/ehca/ehca_qp.c b/drivers/infiniband/hw/ehca/ehca_qp.c
index eff5fb55604b..1012f15a7140 100644
--- a/drivers/infiniband/hw/ehca/ehca_qp.c
+++ b/drivers/infiniband/hw/ehca/ehca_qp.c
@@ -592,10 +592,8 @@ static struct ehca_qp *internal_create_qp(
goto create_qp_exit1;
}
- if (init_attr->sq_sig_type == IB_SIGNAL_ALL_WR)
- parms.sigtype = HCALL_SIGT_EVERY;
- else
- parms.sigtype = HCALL_SIGT_BY_WQE;
+ /* Always signal by WQE so we can hide circ. WQEs */
+ parms.sigtype = HCALL_SIGT_BY_WQE;
/* UD_AV CIRCUMVENTION */
max_send_sge = init_attr->cap.max_send_sge;
@@ -618,6 +616,10 @@ static struct ehca_qp *internal_create_qp(
parms.squeue.max_sge = max_send_sge;
parms.rqueue.max_sge = max_recv_sge;
+ /* RC QPs need one more SWQE for unsolicited ack circumvention */
+ if (qp_type == IB_QPT_RC)
+ parms.squeue.max_wr++;
+
if (EHCA_BMASK_GET(HCA_CAP_MINI_QP, shca->hca_cap)) {
if (HAS_SQ(my_qp))
ehca_determine_small_queue(
@@ -650,6 +652,8 @@ static struct ehca_qp *internal_create_qp(
parms.squeue.act_nr_sges = 1;
parms.rqueue.act_nr_sges = 1;
}
+ /* hide the extra WQE */
+ parms.squeue.act_nr_wqes--;
break;
case IB_QPT_UD:
case IB_QPT_GSI:
@@ -729,12 +733,31 @@ static struct ehca_qp *internal_create_qp(
init_attr->cap.max_send_wr = parms.squeue.act_nr_wqes;
my_qp->init_attr = *init_attr;
+ if (qp_type == IB_QPT_SMI || qp_type == IB_QPT_GSI) {
+ shca->sport[init_attr->port_num - 1].ibqp_sqp[qp_type] =
+ &my_qp->ib_qp;
+ if (ehca_nr_ports < 0) {
+ /* alloc array to cache subsequent modify qp parms
+ * for autodetect mode
+ */
+ my_qp->mod_qp_parm =
+ kzalloc(EHCA_MOD_QP_PARM_MAX *
+ sizeof(*my_qp->mod_qp_parm),
+ GFP_KERNEL);
+ if (!my_qp->mod_qp_parm) {
+ ehca_err(pd->device,
+ "Could not alloc mod_qp_parm");
+ goto create_qp_exit4;
+ }
+ }
+ }
+
/* NOTE: define_apq0() not supported yet */
if (qp_type == IB_QPT_GSI) {
h_ret = ehca_define_sqp(shca, my_qp, init_attr);
if (h_ret != H_SUCCESS) {
ret = ehca2ib_return_code(h_ret);
- goto create_qp_exit4;
+ goto create_qp_exit5;
}
}
@@ -743,7 +766,7 @@ static struct ehca_qp *internal_create_qp(
if (ret) {
ehca_err(pd->device,
"Couldn't assign qp to send_cq ret=%i", ret);
- goto create_qp_exit4;
+ goto create_qp_exit5;
}
}
@@ -769,12 +792,18 @@ static struct ehca_qp *internal_create_qp(
if (ib_copy_to_udata(udata, &resp, sizeof resp)) {
ehca_err(pd->device, "Copy to udata failed");
ret = -EINVAL;
- goto create_qp_exit4;
+ goto create_qp_exit6;
}
}
return my_qp;
+create_qp_exit6:
+ ehca_cq_unassign_qp(my_qp->send_cq, my_qp->real_qp_num);
+
+create_qp_exit5:
+ kfree(my_qp->mod_qp_parm);
+
create_qp_exit4:
if (HAS_RQ(my_qp))
ipz_queue_dtor(my_pd, &my_qp->ipz_rqueue);
@@ -858,7 +887,7 @@ struct ib_srq *ehca_create_srq(struct ib_pd *pd,
update_mask,
mqpcb, my_qp->galpas.kernel);
if (hret != H_SUCCESS) {
- ehca_err(pd->device, "Could not modify SRQ to INIT"
+ ehca_err(pd->device, "Could not modify SRQ to INIT "
"ehca_qp=%p qp_num=%x h_ret=%li",
my_qp, my_qp->real_qp_num, hret);
goto create_srq2;
@@ -872,7 +901,7 @@ struct ib_srq *ehca_create_srq(struct ib_pd *pd,
update_mask,
mqpcb, my_qp->galpas.kernel);
if (hret != H_SUCCESS) {
- ehca_err(pd->device, "Could not enable SRQ"
+ ehca_err(pd->device, "Could not enable SRQ "
"ehca_qp=%p qp_num=%x h_ret=%li",
my_qp, my_qp->real_qp_num, hret);
goto create_srq2;
@@ -886,7 +915,7 @@ struct ib_srq *ehca_create_srq(struct ib_pd *pd,
update_mask,
mqpcb, my_qp->galpas.kernel);
if (hret != H_SUCCESS) {
- ehca_err(pd->device, "Could not modify SRQ to RTR"
+ ehca_err(pd->device, "Could not modify SRQ to RTR "
"ehca_qp=%p qp_num=%x h_ret=%li",
my_qp, my_qp->real_qp_num, hret);
goto create_srq2;
@@ -992,7 +1021,7 @@ static int internal_modify_qp(struct ib_qp *ibqp,
unsigned long flags = 0;
/* do query_qp to obtain current attr values */
- mqpcb = ehca_alloc_fw_ctrlblock(GFP_KERNEL);
+ mqpcb = ehca_alloc_fw_ctrlblock(GFP_ATOMIC);
if (!mqpcb) {
ehca_err(ibqp->device, "Could not get zeroed page for mqpcb "
"ehca_qp=%p qp_num=%x ", my_qp, ibqp->qp_num);
@@ -1180,6 +1209,8 @@ static int internal_modify_qp(struct ib_qp *ibqp,
update_mask |= EHCA_BMASK_SET(MQPCB_MASK_PRIM_P_KEY_IDX, 1);
}
if (attr_mask & IB_QP_PORT) {
+ struct ehca_sport *sport;
+ struct ehca_qp *aqp1;
if (attr->port_num < 1 || attr->port_num > shca->num_ports) {
ret = -EINVAL;
ehca_err(ibqp->device, "Invalid port=%x. "
@@ -1188,6 +1219,29 @@ static int internal_modify_qp(struct ib_qp *ibqp,
shca->num_ports);
goto modify_qp_exit2;
}
+ sport = &shca->sport[attr->port_num - 1];
+ if (!sport->ibqp_sqp[IB_QPT_GSI]) {
+ /* should not occur */
+ ret = -EFAULT;
+ ehca_err(ibqp->device, "AQP1 was not created for "
+ "port=%x", attr->port_num);
+ goto modify_qp_exit2;
+ }
+ aqp1 = container_of(sport->ibqp_sqp[IB_QPT_GSI],
+ struct ehca_qp, ib_qp);
+ if (ibqp->qp_type != IB_QPT_GSI &&
+ ibqp->qp_type != IB_QPT_SMI &&
+ aqp1->mod_qp_parm) {
+ /*
+ * firmware will reject this modify_qp() because
+ * port is not activated/initialized fully
+ */
+ ret = -EFAULT;
+ ehca_warn(ibqp->device, "Couldn't modify qp port=%x: "
+ "either port is being activated (try again) "
+ "or cabling issue", attr->port_num);
+ goto modify_qp_exit2;
+ }
mqpcb->prim_phys_port = attr->port_num;
update_mask |= EHCA_BMASK_SET(MQPCB_MASK_PRIM_PHYS_PORT, 1);
}
@@ -1244,6 +1298,8 @@ static int internal_modify_qp(struct ib_qp *ibqp,
}
if (attr_mask & IB_QP_PATH_MTU) {
+ /* store ld(MTU) */
+ my_qp->mtu_shift = attr->path_mtu + 7;
mqpcb->path_mtu = attr->path_mtu;
update_mask |= EHCA_BMASK_SET(MQPCB_MASK_PATH_MTU, 1);
}
@@ -1467,6 +1523,8 @@ modify_qp_exit1:
int ehca_modify_qp(struct ib_qp *ibqp, struct ib_qp_attr *attr, int attr_mask,
struct ib_udata *udata)
{
+ struct ehca_shca *shca = container_of(ibqp->device, struct ehca_shca,
+ ib_device);
struct ehca_qp *my_qp = container_of(ibqp, struct ehca_qp, ib_qp);
struct ehca_pd *my_pd = container_of(my_qp->ib_qp.pd, struct ehca_pd,
ib_pd);
@@ -1479,9 +1537,100 @@ int ehca_modify_qp(struct ib_qp *ibqp, struct ib_qp_attr *attr, int attr_mask,
return -EINVAL;
}
+ /* The if-block below caches qp_attr to be modified for GSI and SMI
+ * qps during the initialization by ib_mad. When the respective port
+ * is activated, ie we got an event PORT_ACTIVE, we'll replay the
+ * cached modify calls sequence, see ehca_recover_sqs() below.
+ * Why that is required:
+ * 1) If one port is connected, older code requires that port one
+ * to be connected and module option nr_ports=1 to be given by
+ * user, which is very inconvenient for end user.
+ * 2) Firmware accepts modify_qp() only if respective port has become
+ * active. Older code had a wait loop of 30sec create_qp()/
+ * define_aqp1(), which is not appropriate in practice. This
+ * code now removes that wait loop, see define_aqp1(), and always
+ * reports all ports to ib_mad resp. users. Only activated ports
+ * will then usable for the users.
+ */
+ if (ibqp->qp_type == IB_QPT_GSI || ibqp->qp_type == IB_QPT_SMI) {
+ int port = my_qp->init_attr.port_num;
+ struct ehca_sport *sport = &shca->sport[port - 1];
+ unsigned long flags;
+ spin_lock_irqsave(&sport->mod_sqp_lock, flags);
+ /* cache qp_attr only during init */
+ if (my_qp->mod_qp_parm) {
+ struct ehca_mod_qp_parm *p;
+ if (my_qp->mod_qp_parm_idx >= EHCA_MOD_QP_PARM_MAX) {
+ ehca_err(&shca->ib_device,
+ "mod_qp_parm overflow state=%x port=%x"
+ " type=%x", attr->qp_state,
+ my_qp->init_attr.port_num,
+ ibqp->qp_type);
+ spin_unlock_irqrestore(&sport->mod_sqp_lock,
+ flags);
+ return -EINVAL;
+ }
+ p = &my_qp->mod_qp_parm[my_qp->mod_qp_parm_idx];
+ p->mask = attr_mask;
+ p->attr = *attr;
+ my_qp->mod_qp_parm_idx++;
+ ehca_dbg(&shca->ib_device,
+ "Saved qp_attr for state=%x port=%x type=%x",
+ attr->qp_state, my_qp->init_attr.port_num,
+ ibqp->qp_type);
+ spin_unlock_irqrestore(&sport->mod_sqp_lock, flags);
+ return 0;
+ }
+ spin_unlock_irqrestore(&sport->mod_sqp_lock, flags);
+ }
+
return internal_modify_qp(ibqp, attr, attr_mask, 0);
}
+void ehca_recover_sqp(struct ib_qp *sqp)
+{
+ struct ehca_qp *my_sqp = container_of(sqp, struct ehca_qp, ib_qp);
+ int port = my_sqp->init_attr.port_num;
+ struct ib_qp_attr attr;
+ struct ehca_mod_qp_parm *qp_parm;
+ int i, qp_parm_idx, ret;
+ unsigned long flags, wr_cnt;
+
+ if (!my_sqp->mod_qp_parm)
+ return;
+ ehca_dbg(sqp->device, "SQP port=%x qp_num=%x", port, sqp->qp_num);
+
+ qp_parm = my_sqp->mod_qp_parm;
+ qp_parm_idx = my_sqp->mod_qp_parm_idx;
+ for (i = 0; i < qp_parm_idx; i++) {
+ attr = qp_parm[i].attr;
+ ret = internal_modify_qp(sqp, &attr, qp_parm[i].mask, 0);
+ if (ret) {
+ ehca_err(sqp->device, "Could not modify SQP port=%x "
+ "qp_num=%x ret=%x", port, sqp->qp_num, ret);
+ goto free_qp_parm;
+ }
+ ehca_dbg(sqp->device, "SQP port=%x qp_num=%x in state=%x",
+ port, sqp->qp_num, attr.qp_state);
+ }
+
+ /* re-trigger posted recv wrs */
+ wr_cnt = my_sqp->ipz_rqueue.current_q_offset /
+ my_sqp->ipz_rqueue.qe_size;
+ if (wr_cnt) {
+ spin_lock_irqsave(&my_sqp->spinlock_r, flags);
+ hipz_update_rqa(my_sqp, wr_cnt);
+ spin_unlock_irqrestore(&my_sqp->spinlock_r, flags);
+ ehca_dbg(sqp->device, "doorbell port=%x qp_num=%x wr_cnt=%lx",
+ port, sqp->qp_num, wr_cnt);
+ }
+
+free_qp_parm:
+ kfree(qp_parm);
+ /* this prevents subsequent calls to modify_qp() to cache qp_attr */
+ my_sqp->mod_qp_parm = NULL;
+}
+
int ehca_query_qp(struct ib_qp *qp,
struct ib_qp_attr *qp_attr,
int qp_attr_mask, struct ib_qp_init_attr *qp_init_attr)
@@ -1769,6 +1918,7 @@ static int internal_destroy_qp(struct ib_device *dev, struct ehca_qp *my_qp,
struct ehca_shca *shca = container_of(dev, struct ehca_shca, ib_device);
struct ehca_pd *my_pd = container_of(my_qp->ib_qp.pd, struct ehca_pd,
ib_pd);
+ struct ehca_sport *sport = &shca->sport[my_qp->init_attr.port_num - 1];
u32 cur_pid = current->tgid;
u32 qp_num = my_qp->real_qp_num;
int ret;
@@ -1815,6 +1965,14 @@ static int internal_destroy_qp(struct ib_device *dev, struct ehca_qp *my_qp,
port_num = my_qp->init_attr.port_num;
qp_type = my_qp->init_attr.qp_type;
+ if (qp_type == IB_QPT_SMI || qp_type == IB_QPT_GSI) {
+ spin_lock_irqsave(&sport->mod_sqp_lock, flags);
+ kfree(my_qp->mod_qp_parm);
+ my_qp->mod_qp_parm = NULL;
+ shca->sport[port_num - 1].ibqp_sqp[qp_type] = NULL;
+ spin_unlock_irqrestore(&sport->mod_sqp_lock, flags);
+ }
+
/* no support for IB_QPT_SMI yet */
if (qp_type == IB_QPT_GSI) {
struct ib_event event;
diff --git a/drivers/infiniband/hw/ehca/ehca_reqs.c b/drivers/infiniband/hw/ehca/ehca_reqs.c
index ea91360835d3..3aacc8cf1e44 100644
--- a/drivers/infiniband/hw/ehca/ehca_reqs.c
+++ b/drivers/infiniband/hw/ehca/ehca_reqs.c
@@ -50,6 +50,9 @@
#include "hcp_if.h"
#include "hipz_fns.h"
+/* in RC traffic, insert an empty RDMA READ every this many packets */
+#define ACK_CIRC_THRESHOLD 2000000
+
static inline int ehca_write_rwqe(struct ipz_queue *ipz_rqueue,
struct ehca_wqe *wqe_p,
struct ib_recv_wr *recv_wr)
@@ -81,7 +84,7 @@ static inline int ehca_write_rwqe(struct ipz_queue *ipz_rqueue,
if (ehca_debug_level) {
ehca_gen_dbg("RECEIVE WQE written into ipz_rqueue=%p",
ipz_rqueue);
- ehca_dmp( wqe_p, 16*(6 + wqe_p->nr_of_data_seg), "recv wqe");
+ ehca_dmp(wqe_p, 16*(6 + wqe_p->nr_of_data_seg), "recv wqe");
}
return 0;
@@ -135,7 +138,8 @@ static void trace_send_wr_ud(const struct ib_send_wr *send_wr)
static inline int ehca_write_swqe(struct ehca_qp *qp,
struct ehca_wqe *wqe_p,
- const struct ib_send_wr *send_wr)
+ const struct ib_send_wr *send_wr,
+ int hidden)
{
u32 idx;
u64 dma_length;
@@ -176,7 +180,9 @@ static inline int ehca_write_swqe(struct ehca_qp *qp,
wqe_p->wr_flag = 0;
- if (send_wr->send_flags & IB_SEND_SIGNALED)
+ if ((send_wr->send_flags & IB_SEND_SIGNALED ||
+ qp->init_attr.sq_sig_type == IB_SIGNAL_ALL_WR)
+ && !hidden)
wqe_p->wr_flag |= WQE_WRFLAG_REQ_SIGNAL_COM;
if (send_wr->opcode == IB_WR_SEND_WITH_IMM ||
@@ -199,7 +205,7 @@ static inline int ehca_write_swqe(struct ehca_qp *qp,
wqe_p->destination_qp_number = send_wr->wr.ud.remote_qpn << 8;
wqe_p->local_ee_context_qkey = remote_qkey;
- if (!send_wr->wr.ud.ah) {
+ if (unlikely(!send_wr->wr.ud.ah)) {
ehca_gen_err("wr.ud.ah is NULL. qp=%p", qp);
return -EINVAL;
}
@@ -255,6 +261,15 @@ static inline int ehca_write_swqe(struct ehca_qp *qp,
} /* eof idx */
wqe_p->u.nud.atomic_1st_op_dma_len = dma_length;
+ /* unsolicited ack circumvention */
+ if (send_wr->opcode == IB_WR_RDMA_READ) {
+ /* on RDMA read, switch on and reset counters */
+ qp->message_count = qp->packet_count = 0;
+ qp->unsol_ack_circ = 1;
+ } else
+ /* else estimate #packets */
+ qp->packet_count += (dma_length >> qp->mtu_shift) + 1;
+
break;
default:
@@ -355,13 +370,49 @@ static inline void map_ib_wc_status(u32 cqe_status,
*wc_status = IB_WC_SUCCESS;
}
+static inline int post_one_send(struct ehca_qp *my_qp,
+ struct ib_send_wr *cur_send_wr,
+ struct ib_send_wr **bad_send_wr,
+ int hidden)
+{
+ struct ehca_wqe *wqe_p;
+ int ret;
+ u64 start_offset = my_qp->ipz_squeue.current_q_offset;
+
+ /* get pointer next to free WQE */
+ wqe_p = ipz_qeit_get_inc(&my_qp->ipz_squeue);
+ if (unlikely(!wqe_p)) {
+ /* too many posted work requests: queue overflow */
+ if (bad_send_wr)
+ *bad_send_wr = cur_send_wr;
+ ehca_err(my_qp->ib_qp.device, "Too many posted WQEs "
+ "qp_num=%x", my_qp->ib_qp.qp_num);
+ return -ENOMEM;
+ }
+ /* write a SEND WQE into the QUEUE */
+ ret = ehca_write_swqe(my_qp, wqe_p, cur_send_wr, hidden);
+ /*
+ * if something failed,
+ * reset the free entry pointer to the start value
+ */
+ if (unlikely(ret)) {
+ my_qp->ipz_squeue.current_q_offset = start_offset;
+ if (bad_send_wr)
+ *bad_send_wr = cur_send_wr;
+ ehca_err(my_qp->ib_qp.device, "Could not write WQE "
+ "qp_num=%x", my_qp->ib_qp.qp_num);
+ return -EINVAL;
+ }
+
+ return 0;
+}
+
int ehca_post_send(struct ib_qp *qp,
struct ib_send_wr *send_wr,
struct ib_send_wr **bad_send_wr)
{
struct ehca_qp *my_qp = container_of(qp, struct ehca_qp, ib_qp);
struct ib_send_wr *cur_send_wr;
- struct ehca_wqe *wqe_p;
int wqe_cnt = 0;
int ret = 0;
unsigned long flags;
@@ -369,37 +420,33 @@ int ehca_post_send(struct ib_qp *qp,
/* LOCK the QUEUE */
spin_lock_irqsave(&my_qp->spinlock_s, flags);
+ /* Send an empty extra RDMA read if:
+ * 1) there has been an RDMA read on this connection before
+ * 2) no RDMA read occurred for ACK_CIRC_THRESHOLD link packets
+ * 3) we can be sure that any previous extra RDMA read has been
+ * processed so we don't overflow the SQ
+ */
+ if (unlikely(my_qp->unsol_ack_circ &&
+ my_qp->packet_count > ACK_CIRC_THRESHOLD &&
+ my_qp->message_count > my_qp->init_attr.cap.max_send_wr)) {
+ /* insert an empty RDMA READ to fix up the remote QP state */
+ struct ib_send_wr circ_wr;
+ memset(&circ_wr, 0, sizeof(circ_wr));
+ circ_wr.opcode = IB_WR_RDMA_READ;
+ post_one_send(my_qp, &circ_wr, NULL, 1); /* ignore retcode */
+ wqe_cnt++;
+ ehca_dbg(qp->device, "posted circ wr qp_num=%x", qp->qp_num);
+ my_qp->message_count = my_qp->packet_count = 0;
+ }
+
/* loop processes list of send reqs */
for (cur_send_wr = send_wr; cur_send_wr != NULL;
cur_send_wr = cur_send_wr->next) {
- u64 start_offset = my_qp->ipz_squeue.current_q_offset;
- /* get pointer next to free WQE */
- wqe_p = ipz_qeit_get_inc(&my_qp->ipz_squeue);
- if (unlikely(!wqe_p)) {
- /* too many posted work requests: queue overflow */
- if (bad_send_wr)
- *bad_send_wr = cur_send_wr;
- if (wqe_cnt == 0) {
- ret = -ENOMEM;
- ehca_err(qp->device, "Too many posted WQEs "
- "qp_num=%x", qp->qp_num);
- }
- goto post_send_exit0;
- }
- /* write a SEND WQE into the QUEUE */
- ret = ehca_write_swqe(my_qp, wqe_p, cur_send_wr);
- /*
- * if something failed,
- * reset the free entry pointer to the start value
- */
+ ret = post_one_send(my_qp, cur_send_wr, bad_send_wr, 0);
if (unlikely(ret)) {
- my_qp->ipz_squeue.current_q_offset = start_offset;
- *bad_send_wr = cur_send_wr;
- if (wqe_cnt == 0) {
- ret = -EINVAL;
- ehca_err(qp->device, "Could not write WQE "
- "qp_num=%x", qp->qp_num);
- }
+ /* if one or more WQEs were successful, don't fail */
+ if (wqe_cnt)
+ ret = 0;
goto post_send_exit0;
}
wqe_cnt++;
@@ -410,6 +457,7 @@ int ehca_post_send(struct ib_qp *qp,
post_send_exit0:
iosync(); /* serialize GAL register access */
hipz_update_sqa(my_qp, wqe_cnt);
+ my_qp->message_count += wqe_cnt;
spin_unlock_irqrestore(&my_qp->spinlock_s, flags);
return ret;
}
diff --git a/drivers/infiniband/hw/ehca/ehca_sqp.c b/drivers/infiniband/hw/ehca/ehca_sqp.c
index f0792e5fbd02..79e72b25b252 100644
--- a/drivers/infiniband/hw/ehca/ehca_sqp.c
+++ b/drivers/infiniband/hw/ehca/ehca_sqp.c
@@ -40,11 +40,8 @@
*/
-#include <linux/module.h>
-#include <linux/err.h>
#include "ehca_classes.h"
#include "ehca_tools.h"
-#include "ehca_qes.h"
#include "ehca_iverbs.h"
#include "hcp_if.h"
@@ -93,6 +90,9 @@ u64 ehca_define_sqp(struct ehca_shca *shca,
return H_PARAMETER;
}
+ if (ehca_nr_ports < 0) /* autodetect mode */
+ return H_SUCCESS;
+
for (counter = 0;
shca->sport[port - 1].port_state != IB_PORT_ACTIVE &&
counter < ehca_port_act_time;
diff --git a/drivers/infiniband/hw/ipath/ipath_common.h b/drivers/infiniband/hw/ipath/ipath_common.h
index 851df8a75e79..414621095540 100644
--- a/drivers/infiniband/hw/ipath/ipath_common.h
+++ b/drivers/infiniband/hw/ipath/ipath_common.h
@@ -82,6 +82,16 @@
#define IPATH_IB_LINK_EXTERNAL 7 /* normal, disable local loopback */
/*
+ * These 3 values (SDR and DDR may be ORed for auto-speed
+ * negotiation) are used for the 3rd argument to path_f_set_ib_cfg
+ * with cmd IPATH_IB_CFG_SPD_ENB, by direct calls or via sysfs. They
+ * are also the the possible values for ipath_link_speed_enabled and active
+ * The values were chosen to match values used within the IB spec.
+ */
+#define IPATH_IB_SDR 1
+#define IPATH_IB_DDR 2
+
+/*
* stats maintained by the driver. For now, at least, this is global
* to all minor devices.
*/
@@ -433,8 +443,9 @@ struct ipath_user_info {
#define IPATH_CMD_UNUSED_2 26
#define IPATH_CMD_PIOAVAILUPD 27 /* force an update of PIOAvail reg */
#define IPATH_CMD_POLL_TYPE 28 /* set the kind of polling we want */
+#define IPATH_CMD_ARMLAUNCH_CTRL 29 /* armlaunch detection control */
-#define IPATH_CMD_MAX 28
+#define IPATH_CMD_MAX 29
/*
* Poll types
@@ -477,6 +488,8 @@ struct ipath_cmd {
__u64 port_info;
/* enable/disable receipt of packets */
__u32 recv_ctrl;
+ /* enable/disable armlaunch errors (non-zero to enable) */
+ __u32 armlaunch_ctrl;
/* partition key to set */
__u16 part_key;
/* user address of __u32 bitmask of active slaves */
@@ -579,7 +592,7 @@ struct ipath_flash {
struct infinipath_counters {
__u64 LBIntCnt;
__u64 LBFlowStallCnt;
- __u64 Reserved1;
+ __u64 TxSDmaDescCnt; /* was Reserved1 */
__u64 TxUnsupVLErrCnt;
__u64 TxDataPktCnt;
__u64 TxFlowPktCnt;
@@ -615,12 +628,26 @@ struct infinipath_counters {
__u64 RxP6HdrEgrOvflCnt;
__u64 RxP7HdrEgrOvflCnt;
__u64 RxP8HdrEgrOvflCnt;
- __u64 Reserved6;
- __u64 Reserved7;
+ __u64 RxP9HdrEgrOvflCnt; /* was Reserved6 */
+ __u64 RxP10HdrEgrOvflCnt; /* was Reserved7 */
+ __u64 RxP11HdrEgrOvflCnt; /* new for IBA7220 */
+ __u64 RxP12HdrEgrOvflCnt; /* new for IBA7220 */
+ __u64 RxP13HdrEgrOvflCnt; /* new for IBA7220 */
+ __u64 RxP14HdrEgrOvflCnt; /* new for IBA7220 */
+ __u64 RxP15HdrEgrOvflCnt; /* new for IBA7220 */
+ __u64 RxP16HdrEgrOvflCnt; /* new for IBA7220 */
__u64 IBStatusChangeCnt;
__u64 IBLinkErrRecoveryCnt;
__u64 IBLinkDownedCnt;
__u64 IBSymbolErrCnt;
+ /* The following are new for IBA7220 */
+ __u64 RxVL15DroppedPktCnt;
+ __u64 RxOtherLocalPhyErrCnt;
+ __u64 PcieRetryBufDiagQwordCnt;
+ __u64 ExcessBufferOvflCnt;
+ __u64 LocalLinkIntegrityErrCnt;
+ __u64 RxVlErrCnt;
+ __u64 RxDlidFltrCnt;
};
/*
diff --git a/drivers/infiniband/hw/ipath/ipath_cq.c b/drivers/infiniband/hw/ipath/ipath_cq.c
index d1380c7a1703..a03bd28d9b48 100644
--- a/drivers/infiniband/hw/ipath/ipath_cq.c
+++ b/drivers/infiniband/hw/ipath/ipath_cq.c
@@ -421,7 +421,7 @@ int ipath_resize_cq(struct ib_cq *ibcq, int cqe, struct ib_udata *udata)
else
n = head - tail;
if (unlikely((u32)cqe < n)) {
- ret = -EOVERFLOW;
+ ret = -EINVAL;
goto bail_unlock;
}
for (n = 0; tail != head; n++) {
diff --git a/drivers/infiniband/hw/ipath/ipath_debug.h b/drivers/infiniband/hw/ipath/ipath_debug.h
index 19c56e6491eb..d6f69532d83f 100644
--- a/drivers/infiniband/hw/ipath/ipath_debug.h
+++ b/drivers/infiniband/hw/ipath/ipath_debug.h
@@ -55,7 +55,7 @@
#define __IPATH_PKTDBG 0x80 /* print packet data */
/* print process startup (init)/exit messages */
#define __IPATH_PROCDBG 0x100
-/* print mmap/nopage stuff, not using VDBG any more */
+/* print mmap/fault stuff, not using VDBG any more */
#define __IPATH_MMDBG 0x200
#define __IPATH_ERRPKTDBG 0x400
#define __IPATH_USER_SEND 0x1000 /* use user mode send */
@@ -81,7 +81,7 @@
#define __IPATH_VERBDBG 0x0 /* very verbose debug */
#define __IPATH_PKTDBG 0x0 /* print packet data */
#define __IPATH_PROCDBG 0x0 /* process startup (init)/exit messages */
-/* print mmap/nopage stuff, not using VDBG any more */
+/* print mmap/fault stuff, not using VDBG any more */
#define __IPATH_MMDBG 0x0
#define __IPATH_EPKTDBG 0x0 /* print ethernet packet data */
#define __IPATH_IPATHDBG 0x0 /* Ethernet (IPATH) table dump on */
diff --git a/drivers/infiniband/hw/ipath/ipath_driver.c b/drivers/infiniband/hw/ipath/ipath_driver.c
index fc355981bbab..d5ff6ca2db30 100644
--- a/drivers/infiniband/hw/ipath/ipath_driver.c
+++ b/drivers/infiniband/hw/ipath/ipath_driver.c
@@ -334,6 +334,8 @@ static void ipath_verify_pioperf(struct ipath_devdata *dd)
udelay(1);
}
+ ipath_disable_armlaunch(dd);
+
writeq(0, piobuf); /* length 0, no dwords actually sent */
ipath_flush_wc();
@@ -365,6 +367,7 @@ static void ipath_verify_pioperf(struct ipath_devdata *dd)
done:
/* disarm piobuf, so it's available again */
ipath_disarm_piobufs(dd, pbnum, 1);
+ ipath_enable_armlaunch(dd);
}
static int __devinit ipath_init_one(struct pci_dev *pdev,
@@ -803,31 +806,37 @@ void ipath_disarm_piobufs(struct ipath_devdata *dd, unsigned first,
unsigned cnt)
{
unsigned i, last = first + cnt;
- u64 sendctrl, sendorig;
+ unsigned long flags;
ipath_cdbg(PKT, "disarm %u PIObufs first=%u\n", cnt, first);
- sendorig = dd->ipath_sendctrl;
for (i = first; i < last; i++) {
- sendctrl = sendorig | INFINIPATH_S_DISARM |
- (i << INFINIPATH_S_DISARMPIOBUF_SHIFT);
+ spin_lock_irqsave(&dd->ipath_sendctrl_lock, flags);
+ /*
+ * The disarm-related bits are write-only, so it
+ * is ok to OR them in with our copy of sendctrl
+ * while we hold the lock.
+ */
ipath_write_kreg(dd, dd->ipath_kregs->kr_sendctrl,
- sendctrl);
+ dd->ipath_sendctrl | INFINIPATH_S_DISARM |
+ (i << INFINIPATH_S_DISARMPIOBUF_SHIFT));
+ /* can't disarm bufs back-to-back per iba7220 spec */
+ ipath_read_kreg64(dd, dd->ipath_kregs->kr_scratch);
+ spin_unlock_irqrestore(&dd->ipath_sendctrl_lock, flags);
}
/*
- * Write it again with current value, in case ipath_sendctrl changed
- * while we were looping; no critical bits that would require
- * locking.
- *
- * disable PIOAVAILUPD, then re-enable, reading scratch in
+ * Disable PIOAVAILUPD, then re-enable, reading scratch in
* between. This seems to avoid a chip timing race that causes
- * pioavail updates to memory to stop.
+ * pioavail updates to memory to stop. We xor as we don't
+ * know the state of the bit when we're called.
*/
+ spin_lock_irqsave(&dd->ipath_sendctrl_lock, flags);
ipath_write_kreg(dd, dd->ipath_kregs->kr_sendctrl,
- sendorig & ~INFINIPATH_S_PIOBUFAVAILUPD);
- sendorig = ipath_read_kreg64(dd, dd->ipath_kregs->kr_scratch);
+ dd->ipath_sendctrl ^ INFINIPATH_S_PIOBUFAVAILUPD);
+ ipath_read_kreg64(dd, dd->ipath_kregs->kr_scratch);
ipath_write_kreg(dd, dd->ipath_kregs->kr_sendctrl,
dd->ipath_sendctrl);
+ spin_unlock_irqrestore(&dd->ipath_sendctrl_lock, flags);
}
/**
@@ -1003,12 +1012,10 @@ static void get_rhf_errstring(u32 err, char *msg, size_t len)
* ipath_get_egrbuf - get an eager buffer
* @dd: the infinipath device
* @bufnum: the eager buffer to get
- * @err: unused
*
* must only be called if ipath_pd[port] is known to be allocated
*/
-static inline void *ipath_get_egrbuf(struct ipath_devdata *dd, u32 bufnum,
- int err)
+static inline void *ipath_get_egrbuf(struct ipath_devdata *dd, u32 bufnum)
{
return dd->ipath_port0_skbinfo ?
(void *) dd->ipath_port0_skbinfo[bufnum].skb->data : NULL;
@@ -1100,13 +1107,14 @@ static void ipath_rcv_hdrerr(struct ipath_devdata *dd,
/*
* ipath_kreceive - receive a packet
- * @dd: the infinipath device
+ * @pd: the infinipath port
*
* called from interrupt handler for errors or receive interrupt
*/
-void ipath_kreceive(struct ipath_devdata *dd)
+void ipath_kreceive(struct ipath_portdata *pd)
{
u64 *rc;
+ struct ipath_devdata *dd = pd->port_dd;
void *ebuf;
const u32 rsize = dd->ipath_rcvhdrentsize; /* words */
const u32 maxcnt = dd->ipath_rcvhdrcnt * rsize; /* words */
@@ -1121,8 +1129,8 @@ void ipath_kreceive(struct ipath_devdata *dd)
goto bail;
}
- l = dd->ipath_port0head;
- hdrqtail = (u32) le64_to_cpu(*dd->ipath_hdrqtailptr);
+ l = pd->port_head;
+ hdrqtail = ipath_get_rcvhdrtail(pd);
if (l == hdrqtail)
goto bail;
@@ -1131,7 +1139,7 @@ reloop:
u32 qp;
u8 *bthbytes;
- rc = (u64 *) (dd->ipath_pd[0]->port_rcvhdrq + (l << 2));
+ rc = (u64 *) (pd->port_rcvhdrq + (l << 2));
hdr = (struct ipath_message_header *)&rc[1];
/*
* could make a network order version of IPATH_KD_QP, and
@@ -1156,7 +1164,7 @@ reloop:
etail = ipath_hdrget_index((__le32 *) rc);
if (tlen > sizeof(*hdr) ||
etype == RCVHQ_RCV_TYPE_NON_KD)
- ebuf = ipath_get_egrbuf(dd, etail, 0);
+ ebuf = ipath_get_egrbuf(dd, etail);
}
/*
@@ -1191,7 +1199,7 @@ reloop:
be32_to_cpu(hdr->bth[0]) & 0xff);
else {
/*
- * error packet, type of error unknown.
+ * error packet, type of error unknown.
* Probably type 3, but we don't know, so don't
* even try to print the opcode, etc.
*/
@@ -1241,7 +1249,7 @@ reloop:
* earlier packets, we "almost" guarantee we have covered
* that case.
*/
- u32 hqtail = (u32)le64_to_cpu(*dd->ipath_hdrqtailptr);
+ u32 hqtail = ipath_get_rcvhdrtail(pd);
if (hqtail != hdrqtail) {
hdrqtail = hqtail;
reloop = 1; /* loop 1 extra time at most */
@@ -1251,7 +1259,7 @@ reloop:
pkttot += i;
- dd->ipath_port0head = l;
+ pd->port_head = l;
if (pkttot > ipath_stats.sps_maxpkts_call)
ipath_stats.sps_maxpkts_call = pkttot;
@@ -1335,14 +1343,9 @@ static void ipath_update_pio_bufs(struct ipath_devdata *dd)
/*
* Chip Errata: bug 6641; even and odd qwords>3 are swapped
*/
- if (i > 3) {
- if (i & 1)
- piov = le64_to_cpu(
- dd->ipath_pioavailregs_dma[i - 1]);
- else
- piov = le64_to_cpu(
- dd->ipath_pioavailregs_dma[i + 1]);
- } else
+ if (i > 3 && (dd->ipath_flags & IPATH_SWAP_PIOBUFS))
+ piov = le64_to_cpu(dd->ipath_pioavailregs_dma[i ^ 1]);
+ else
piov = le64_to_cpu(dd->ipath_pioavailregs_dma[i]);
pchg = _IPATH_ALL_CHECKBITS &
~(dd->ipath_pioavailshadow[i] ^ piov);
@@ -1601,7 +1604,8 @@ int ipath_create_rcvhdrq(struct ipath_devdata *dd,
/* clear for security and sanity on each use */
memset(pd->port_rcvhdrq, 0, pd->port_rcvhdrq_size);
- memset(pd->port_rcvhdrtail_kvaddr, 0, PAGE_SIZE);
+ if (pd->port_rcvhdrtail_kvaddr)
+ memset(pd->port_rcvhdrtail_kvaddr, 0, PAGE_SIZE);
/*
* tell chip each time we init it, even if we are re-using previous
@@ -1617,77 +1621,6 @@ bail:
return ret;
}
-int ipath_waitfor_complete(struct ipath_devdata *dd, ipath_kreg reg_id,
- u64 bits_to_wait_for, u64 * valp)
-{
- unsigned long timeout;
- u64 lastval, val;
- int ret;
-
- lastval = ipath_read_kreg64(dd, reg_id);
- /* wait a ridiculously long time */
- timeout = jiffies + msecs_to_jiffies(5);
- do {
- val = ipath_read_kreg64(dd, reg_id);
- /* set so they have something, even on failures. */
- *valp = val;
- if ((val & bits_to_wait_for) == bits_to_wait_for) {
- ret = 0;
- break;
- }
- if (val != lastval)
- ipath_cdbg(VERBOSE, "Changed from %llx to %llx, "
- "waiting for %llx bits\n",
- (unsigned long long) lastval,
- (unsigned long long) val,
- (unsigned long long) bits_to_wait_for);
- cond_resched();
- if (time_after(jiffies, timeout)) {
- ipath_dbg("Didn't get bits %llx in register 0x%x, "
- "got %llx\n",
- (unsigned long long) bits_to_wait_for,
- reg_id, (unsigned long long) *valp);
- ret = -ENODEV;
- break;
- }
- } while (1);
-
- return ret;
-}
-
-/**
- * ipath_waitfor_mdio_cmdready - wait for last command to complete
- * @dd: the infinipath device
- *
- * Like ipath_waitfor_complete(), but we wait for the CMDVALID bit to go
- * away indicating the last command has completed. It doesn't return data
- */
-int ipath_waitfor_mdio_cmdready(struct ipath_devdata *dd)
-{
- unsigned long timeout;
- u64 val;
- int ret;
-
- /* wait a ridiculously long time */
- timeout = jiffies + msecs_to_jiffies(5);
- do {
- val = ipath_read_kreg64(dd, dd->ipath_kregs->kr_mdio);
- if (!(val & IPATH_MDIO_CMDVALID)) {
- ret = 0;
- break;
- }
- cond_resched();
- if (time_after(jiffies, timeout)) {
- ipath_dbg("CMDVALID stuck in mdio reg? (%llx)\n",
- (unsigned long long) val);
- ret = -ENODEV;
- break;
- }
- } while (1);
-
- return ret;
-}
-
/*
* Flush all sends that might be in the ready to send state, as well as any
@@ -2056,6 +1989,8 @@ void ipath_set_led_override(struct ipath_devdata *dd, unsigned int val)
*/
void ipath_shutdown_device(struct ipath_devdata *dd)
{
+ unsigned long flags;
+
ipath_dbg("Shutting down the device\n");
dd->ipath_flags |= IPATH_LINKUNK;
@@ -2076,9 +2011,13 @@ void ipath_shutdown_device(struct ipath_devdata *dd)
* gracefully stop all sends allowing any in progress to trickle out
* first.
*/
- ipath_write_kreg(dd, dd->ipath_kregs->kr_sendctrl, 0ULL);
+ spin_lock_irqsave(&dd->ipath_sendctrl_lock, flags);
+ dd->ipath_sendctrl = 0;
+ ipath_write_kreg(dd, dd->ipath_kregs->kr_sendctrl, dd->ipath_sendctrl);
/* flush it */
ipath_read_kreg64(dd, dd->ipath_kregs->kr_scratch);
+ spin_unlock_irqrestore(&dd->ipath_sendctrl_lock, flags);
+
/*
* enough for anything that's going to trickle out to have actually
* done so.
@@ -2335,5 +2274,34 @@ int ipath_set_rx_pol_inv(struct ipath_devdata *dd, u8 new_pol_inv)
}
return 0;
}
+
+/*
+ * Disable and enable the armlaunch error. Used for PIO bandwidth testing on
+ * the 7220, which is count-based, rather than trigger-based. Safe for the
+ * driver check, since it's at init. Not completely safe when used for
+ * user-mode checking, since some error checking can be lost, but not
+ * particularly risky, and only has problematic side-effects in the face of
+ * very buggy user code. There is no reference counting, but that's also
+ * fine, given the intended use.
+ */
+void ipath_enable_armlaunch(struct ipath_devdata *dd)
+{
+ dd->ipath_lasterror &= ~INFINIPATH_E_SPIOARMLAUNCH;
+ ipath_write_kreg(dd, dd->ipath_kregs->kr_errorclear,
+ INFINIPATH_E_SPIOARMLAUNCH);
+ dd->ipath_errormask |= INFINIPATH_E_SPIOARMLAUNCH;
+ ipath_write_kreg(dd, dd->ipath_kregs->kr_errormask,
+ dd->ipath_errormask);
+}
+
+void ipath_disable_armlaunch(struct ipath_devdata *dd)
+{
+ /* so don't re-enable if already set */
+ dd->ipath_maskederrs &= ~INFINIPATH_E_SPIOARMLAUNCH;
+ dd->ipath_errormask &= ~INFINIPATH_E_SPIOARMLAUNCH;
+ ipath_write_kreg(dd, dd->ipath_kregs->kr_errormask,
+ dd->ipath_errormask);
+}
+
module_init(infinipath_init);
module_exit(infinipath_cleanup);
diff --git a/drivers/infiniband/hw/ipath/ipath_eeprom.c b/drivers/infiniband/hw/ipath/ipath_eeprom.c
index e7c25dbbcdc9..e28a42f53769 100644
--- a/drivers/infiniband/hw/ipath/ipath_eeprom.c
+++ b/drivers/infiniband/hw/ipath/ipath_eeprom.c
@@ -510,10 +510,10 @@ int ipath_eeprom_read(struct ipath_devdata *dd, u8 eeprom_offset,
{
int ret;
- ret = down_interruptible(&dd->ipath_eep_sem);
+ ret = mutex_lock_interruptible(&dd->ipath_eep_lock);
if (!ret) {
ret = ipath_eeprom_internal_read(dd, eeprom_offset, buff, len);
- up(&dd->ipath_eep_sem);
+ mutex_unlock(&dd->ipath_eep_lock);
}
return ret;
@@ -524,10 +524,10 @@ int ipath_eeprom_write(struct ipath_devdata *dd, u8 eeprom_offset,
{
int ret;
- ret = down_interruptible(&dd->ipath_eep_sem);
+ ret = mutex_lock_interruptible(&dd->ipath_eep_lock);
if (!ret) {
ret = ipath_eeprom_internal_write(dd, eeprom_offset, buff, len);
- up(&dd->ipath_eep_sem);
+ mutex_unlock(&dd->ipath_eep_lock);
}
return ret;
@@ -574,7 +574,7 @@ void ipath_get_eeprom_info(struct ipath_devdata *dd)
struct ipath_devdata *dd0 = ipath_lookup(0);
if (t && dd0->ipath_nguid > 1 && t <= dd0->ipath_nguid) {
- u8 *bguid, oguid;
+ u8 oguid;
dd->ipath_guid = dd0->ipath_guid;
bguid = (u8 *) & dd->ipath_guid;
@@ -616,9 +616,9 @@ void ipath_get_eeprom_info(struct ipath_devdata *dd)
goto bail;
}
- down(&dd->ipath_eep_sem);
+ mutex_lock(&dd->ipath_eep_lock);
eep_stat = ipath_eeprom_internal_read(dd, 0, buf, len);
- up(&dd->ipath_eep_sem);
+ mutex_unlock(&dd->ipath_eep_lock);
if (eep_stat) {
ipath_dev_err(dd, "Failed reading GUID from eeprom\n");
@@ -674,7 +674,6 @@ void ipath_get_eeprom_info(struct ipath_devdata *dd)
* elsewhere for backward-compatibility.
*/
char *snp = dd->ipath_serial;
- int len;
memcpy(snp, ifp->if_sprefix, sizeof ifp->if_sprefix);
snp[sizeof ifp->if_sprefix] = '\0';
len = strlen(snp);
@@ -764,14 +763,14 @@ int ipath_update_eeprom_log(struct ipath_devdata *dd)
/* Grab semaphore and read current EEPROM. If we get an
* error, let go, but if not, keep it until we finish write.
*/
- ret = down_interruptible(&dd->ipath_eep_sem);
+ ret = mutex_lock_interruptible(&dd->ipath_eep_lock);
if (ret) {
ipath_dev_err(dd, "Unable to acquire EEPROM for logging\n");
goto free_bail;
}
ret = ipath_eeprom_internal_read(dd, 0, buf, len);
if (ret) {
- up(&dd->ipath_eep_sem);
+ mutex_unlock(&dd->ipath_eep_lock);
ipath_dev_err(dd, "Unable read EEPROM for logging\n");
goto free_bail;
}
@@ -779,7 +778,7 @@ int ipath_update_eeprom_log(struct ipath_devdata *dd)
csum = flash_csum(ifp, 0);
if (csum != ifp->if_csum) {
- up(&dd->ipath_eep_sem);
+ mutex_unlock(&dd->ipath_eep_lock);
ipath_dev_err(dd, "EEPROM cks err (0x%02X, S/B 0x%02X)\n",
csum, ifp->if_csum);
ret = 1;
@@ -849,7 +848,7 @@ int ipath_update_eeprom_log(struct ipath_devdata *dd)
csum = flash_csum(ifp, 1);
ret = ipath_eeprom_internal_write(dd, 0, buf, hi_water + 1);
}
- up(&dd->ipath_eep_sem);
+ mutex_unlock(&dd->ipath_eep_lock);
if (ret)
ipath_dev_err(dd, "Failed updating EEPROM\n");
diff --git a/drivers/infiniband/hw/ipath/ipath_file_ops.c b/drivers/infiniband/hw/ipath/ipath_file_ops.c
index 5de3243a47c3..7e025c8e01b6 100644
--- a/drivers/infiniband/hw/ipath/ipath_file_ops.c
+++ b/drivers/infiniband/hw/ipath/ipath_file_ops.c
@@ -169,7 +169,7 @@ static int ipath_get_base_info(struct file *fp,
kinfo->spi_piocnt = dd->ipath_pbufsport;
kinfo->spi_piobufbase = (u64) pd->port_piobufs;
kinfo->__spi_uregbase = (u64) dd->ipath_uregbase +
- dd->ipath_palign * pd->port_port;
+ dd->ipath_ureg_align * pd->port_port;
} else if (master) {
kinfo->spi_piocnt = (dd->ipath_pbufsport / subport_cnt) +
(dd->ipath_pbufsport % subport_cnt);
@@ -186,7 +186,7 @@ static int ipath_get_base_info(struct file *fp,
}
if (shared) {
kinfo->spi_port_uregbase = (u64) dd->ipath_uregbase +
- dd->ipath_palign * pd->port_port;
+ dd->ipath_ureg_align * pd->port_port;
kinfo->spi_port_rcvegrbuf = kinfo->spi_rcv_egrbufs;
kinfo->spi_port_rcvhdr_base = kinfo->spi_rcvhdr_base;
kinfo->spi_port_rcvhdr_tailaddr = kinfo->spi_rcvhdr_tailaddr;
@@ -742,11 +742,12 @@ static int ipath_manage_rcvq(struct ipath_portdata *pd, unsigned subport,
* updated and correct itself, even in the face of software
* bugs.
*/
- *(volatile u64 *)pd->port_rcvhdrtail_kvaddr = 0;
- set_bit(INFINIPATH_R_PORTENABLE_SHIFT + pd->port_port,
+ if (pd->port_rcvhdrtail_kvaddr)
+ ipath_clear_rcvhdrtail(pd);
+ set_bit(dd->ipath_r_portenable_shift + pd->port_port,
&dd->ipath_rcvctrl);
} else
- clear_bit(INFINIPATH_R_PORTENABLE_SHIFT + pd->port_port,
+ clear_bit(dd->ipath_r_portenable_shift + pd->port_port,
&dd->ipath_rcvctrl);
ipath_write_kreg(dd, dd->ipath_kregs->kr_rcvctrl,
dd->ipath_rcvctrl);
@@ -881,7 +882,7 @@ static int ipath_create_user_egr(struct ipath_portdata *pd)
egrcnt = dd->ipath_rcvegrcnt;
/* TID number offset for this port */
- egroff = pd->port_port * egrcnt;
+ egroff = (pd->port_port - 1) * egrcnt + dd->ipath_p0_rcvegrcnt;
egrsize = dd->ipath_rcvegrbufsize;
ipath_cdbg(VERBOSE, "Allocating %d egr buffers, at egrtid "
"offset %x, egrsize %u\n", egrcnt, egroff, egrsize);
@@ -1049,11 +1050,6 @@ static int mmap_piobufs(struct vm_area_struct *vma,
phys = dd->ipath_physaddr + piobufs;
- /*
- * Don't mark this as non-cached, or we don't get the
- * write combining behavior we want on the PIO buffers!
- */
-
#if defined(__powerpc__)
/* There isn't a generic way to specify writethrough mappings */
pgprot_val(vma->vm_page_prot) |= _PAGE_NO_CACHE;
@@ -1120,33 +1116,24 @@ bail:
}
/*
- * ipath_file_vma_nopage - handle a VMA page fault.
+ * ipath_file_vma_fault - handle a VMA page fault.
*/
-static struct page *ipath_file_vma_nopage(struct vm_area_struct *vma,
- unsigned long address, int *type)
+static int ipath_file_vma_fault(struct vm_area_struct *vma,
+ struct vm_fault *vmf)
{
- unsigned long offset = address - vma->vm_start;
- struct page *page = NOPAGE_SIGBUS;
- void *pageptr;
+ struct page *page;
- /*
- * Convert the vmalloc address into a struct page.
- */
- pageptr = (void *)(offset + (vma->vm_pgoff << PAGE_SHIFT));
- page = vmalloc_to_page(pageptr);
+ page = vmalloc_to_page((void *)(vmf->pgoff << PAGE_SHIFT));
if (!page)
- goto out;
-
- /* Increment the reference count. */
+ return VM_FAULT_SIGBUS;
get_page(page);
- if (type)
- *type = VM_FAULT_MINOR;
-out:
- return page;
+ vmf->page = page;
+
+ return 0;
}
static struct vm_operations_struct ipath_file_vm_ops = {
- .nopage = ipath_file_vma_nopage,
+ .fault = ipath_file_vma_fault,
};
static int mmap_kvaddr(struct vm_area_struct *vma, u64 pgaddr,
@@ -1284,7 +1271,7 @@ static int ipath_mmap(struct file *fp, struct vm_area_struct *vma)
goto bail;
}
- ureg = dd->ipath_uregbase + dd->ipath_palign * pd->port_port;
+ ureg = dd->ipath_uregbase + dd->ipath_ureg_align * pd->port_port;
if (!pd->port_subport_cnt) {
/* port is not shared */
piocnt = dd->ipath_pbufsport;
@@ -1400,7 +1387,10 @@ static unsigned int ipath_poll_next(struct ipath_portdata *pd,
pollflag = ipath_poll_hdrqfull(pd);
head = ipath_read_ureg32(dd, ur_rcvhdrhead, pd->port_port);
- tail = *(volatile u64 *)pd->port_rcvhdrtail_kvaddr;
+ if (pd->port_rcvhdrtail_kvaddr)
+ tail = ipath_get_rcvhdrtail(pd);
+ else
+ tail = ipath_read_ureg32(dd, ur_rcvhdrtail, pd->port_port);
if (head != tail)
pollflag |= POLLIN | POLLRDNORM;
@@ -1410,7 +1400,7 @@ static unsigned int ipath_poll_next(struct ipath_portdata *pd,
/* flush waiting flag so we don't miss an event */
wmb();
- set_bit(pd->port_port + INFINIPATH_R_INTRAVAIL_SHIFT,
+ set_bit(pd->port_port + dd->ipath_r_intravail_shift,
&dd->ipath_rcvctrl);
ipath_write_kreg(dd, dd->ipath_kregs->kr_rcvctrl,
@@ -1790,6 +1780,7 @@ static int find_shared_port(struct file *fp,
}
port_fp(fp) = pd;
subport_fp(fp) = pd->port_cnt++;
+ pd->port_subpid[subport_fp(fp)] = current->pid;
tidcursor_fp(fp) = 0;
pd->active_slaves |= 1 << subport_fp(fp);
ipath_cdbg(PROC,
@@ -1920,8 +1911,7 @@ static int ipath_do_user_init(struct file *fp,
*/
head32 = ipath_read_ureg32(dd, ur_rcvegrindextail, pd->port_port);
ipath_write_ureg(dd, ur_rcvegrindexhead, head32, pd->port_port);
- dd->ipath_lastegrheads[pd->port_port] = -1;
- dd->ipath_lastrcvhdrqtails[pd->port_port] = -1;
+ pd->port_lastrcvhdrqtail = -1;
ipath_cdbg(VERBOSE, "Wrote port%d egrhead %x from tail regs\n",
pd->port_port, head32);
pd->port_tidcursor = 0; /* start at beginning after open */
@@ -1941,11 +1931,13 @@ static int ipath_do_user_init(struct file *fp,
* We explictly set the in-memory copy to 0 beforehand, so we don't
* have to wait to be sure the DMA update has happened.
*/
- *(volatile u64 *)pd->port_rcvhdrtail_kvaddr = 0ULL;
- set_bit(INFINIPATH_R_PORTENABLE_SHIFT + pd->port_port,
+ if (pd->port_rcvhdrtail_kvaddr)
+ ipath_clear_rcvhdrtail(pd);
+ set_bit(dd->ipath_r_portenable_shift + pd->port_port,
&dd->ipath_rcvctrl);
ipath_write_kreg(dd, dd->ipath_kregs->kr_rcvctrl,
- dd->ipath_rcvctrl & ~INFINIPATH_R_TAILUPD);
+ dd->ipath_rcvctrl &
+ ~(1ULL << dd->ipath_r_tailupd_shift));
ipath_write_kreg(dd, dd->ipath_kregs->kr_rcvctrl,
dd->ipath_rcvctrl);
/* Notify any waiting slaves */
@@ -2022,6 +2014,7 @@ static int ipath_close(struct inode *in, struct file *fp)
* the slave(s) don't wait for receive data forever.
*/
pd->active_slaves &= ~(1 << fd->subport);
+ pd->port_subpid[fd->subport] = 0;
mutex_unlock(&ipath_mutex);
goto bail;
}
@@ -2054,9 +2047,9 @@ static int ipath_close(struct inode *in, struct file *fp)
if (dd->ipath_kregbase) {
int i;
/* atomically clear receive enable port and intr avail. */
- clear_bit(INFINIPATH_R_PORTENABLE_SHIFT + port,
+ clear_bit(dd->ipath_r_portenable_shift + port,
&dd->ipath_rcvctrl);
- clear_bit(pd->port_port + INFINIPATH_R_INTRAVAIL_SHIFT,
+ clear_bit(pd->port_port + dd->ipath_r_intravail_shift,
&dd->ipath_rcvctrl);
ipath_write_kreg( dd, dd->ipath_kregs->kr_rcvctrl,
dd->ipath_rcvctrl);
@@ -2149,11 +2142,15 @@ static int ipath_get_slave_info(struct ipath_portdata *pd,
static int ipath_force_pio_avail_update(struct ipath_devdata *dd)
{
- u64 reg = dd->ipath_sendctrl;
+ unsigned long flags;
- clear_bit(IPATH_S_PIOBUFAVAILUPD, &reg);
- ipath_write_kreg(dd, dd->ipath_kregs->kr_sendctrl, reg);
+ spin_lock_irqsave(&dd->ipath_sendctrl_lock, flags);
+ ipath_write_kreg(dd, dd->ipath_kregs->kr_sendctrl,
+ dd->ipath_sendctrl & ~INFINIPATH_S_PIOBUFAVAILUPD);
+ ipath_read_kreg64(dd, dd->ipath_kregs->kr_scratch);
ipath_write_kreg(dd, dd->ipath_kregs->kr_sendctrl, dd->ipath_sendctrl);
+ ipath_read_kreg64(dd, dd->ipath_kregs->kr_scratch);
+ spin_unlock_irqrestore(&dd->ipath_sendctrl_lock, flags);
return 0;
}
@@ -2227,6 +2224,11 @@ static ssize_t ipath_write(struct file *fp, const char __user *data,
dest = &cmd.cmd.poll_type;
src = &ucmd->cmd.poll_type;
break;
+ case IPATH_CMD_ARMLAUNCH_CTRL:
+ copy = sizeof(cmd.cmd.armlaunch_ctrl);
+ dest = &cmd.cmd.armlaunch_ctrl;
+ src = &ucmd->cmd.armlaunch_ctrl;
+ break;
default:
ret = -EINVAL;
goto bail;
@@ -2302,6 +2304,12 @@ static ssize_t ipath_write(struct file *fp, const char __user *data,
case IPATH_CMD_POLL_TYPE:
pd->poll_type = cmd.cmd.poll_type;
break;
+ case IPATH_CMD_ARMLAUNCH_CTRL:
+ if (cmd.cmd.armlaunch_ctrl)
+ ipath_enable_armlaunch(pd->port_dd);
+ else
+ ipath_disable_armlaunch(pd->port_dd);
+ break;
}
if (ret >= 0)
diff --git a/drivers/infiniband/hw/ipath/ipath_fs.c b/drivers/infiniband/hw/ipath/ipath_fs.c
index 262c25db05cd..23faba9d21eb 100644
--- a/drivers/infiniband/hw/ipath/ipath_fs.c
+++ b/drivers/infiniband/hw/ipath/ipath_fs.c
@@ -108,21 +108,16 @@ static const struct file_operations atomic_stats_ops = {
.read = atomic_stats_read,
};
-#define NUM_COUNTERS sizeof(struct infinipath_counters) / sizeof(u64)
-
static ssize_t atomic_counters_read(struct file *file, char __user *buf,
size_t count, loff_t *ppos)
{
- u64 counters[NUM_COUNTERS];
- u16 i;
+ struct infinipath_counters counters;
struct ipath_devdata *dd;
dd = file->f_path.dentry->d_inode->i_private;
+ dd->ipath_f_read_counters(dd, &counters);
- for (i = 0; i < NUM_COUNTERS; i++)
- counters[i] = ipath_snap_cntr(dd, i);
-
- return simple_read_from_buffer(buf, count, ppos, counters,
+ return simple_read_from_buffer(buf, count, ppos, &counters,
sizeof counters);
}
@@ -243,8 +238,7 @@ static int create_device_files(struct super_block *sb,
snprintf(unit, sizeof unit, "%02d", dd->ipath_unit);
ret = create_file(unit, S_IFDIR|S_IRUGO|S_IXUGO, sb->s_root, &dir,
- (struct file_operations *) &simple_dir_operations,
- dd);
+ &simple_dir_operations, dd);
if (ret) {
printk(KERN_ERR "create_file(%s) failed: %d\n", unit, ret);
goto bail;
diff --git a/drivers/infiniband/hw/ipath/ipath_iba6110.c b/drivers/infiniband/hw/ipath/ipath_iba6110.c
index ddbebe4bdb27..9e2ced3cdc5e 100644
--- a/drivers/infiniband/hw/ipath/ipath_iba6110.c
+++ b/drivers/infiniband/hw/ipath/ipath_iba6110.c
@@ -148,10 +148,57 @@ struct _infinipath_do_not_use_kernel_regs {
unsigned long long ReservedSW2[4];
};
-#define IPATH_KREG_OFFSET(field) (offsetof(struct \
- _infinipath_do_not_use_kernel_regs, field) / sizeof(u64))
+struct _infinipath_do_not_use_counters {
+ __u64 LBIntCnt;
+ __u64 LBFlowStallCnt;
+ __u64 Reserved1;
+ __u64 TxUnsupVLErrCnt;
+ __u64 TxDataPktCnt;
+ __u64 TxFlowPktCnt;
+ __u64 TxDwordCnt;
+ __u64 TxLenErrCnt;
+ __u64 TxMaxMinLenErrCnt;
+ __u64 TxUnderrunCnt;
+ __u64 TxFlowStallCnt;
+ __u64 TxDroppedPktCnt;
+ __u64 RxDroppedPktCnt;
+ __u64 RxDataPktCnt;
+ __u64 RxFlowPktCnt;
+ __u64 RxDwordCnt;
+ __u64 RxLenErrCnt;
+ __u64 RxMaxMinLenErrCnt;
+ __u64 RxICRCErrCnt;
+ __u64 RxVCRCErrCnt;
+ __u64 RxFlowCtrlErrCnt;
+ __u64 RxBadFormatCnt;
+ __u64 RxLinkProblemCnt;
+ __u64 RxEBPCnt;
+ __u64 RxLPCRCErrCnt;
+ __u64 RxBufOvflCnt;
+ __u64 RxTIDFullErrCnt;
+ __u64 RxTIDValidErrCnt;
+ __u64 RxPKeyMismatchCnt;
+ __u64 RxP0HdrEgrOvflCnt;
+ __u64 RxP1HdrEgrOvflCnt;
+ __u64 RxP2HdrEgrOvflCnt;
+ __u64 RxP3HdrEgrOvflCnt;
+ __u64 RxP4HdrEgrOvflCnt;
+ __u64 RxP5HdrEgrOvflCnt;
+ __u64 RxP6HdrEgrOvflCnt;
+ __u64 RxP7HdrEgrOvflCnt;
+ __u64 RxP8HdrEgrOvflCnt;
+ __u64 Reserved6;
+ __u64 Reserved7;
+ __u64 IBStatusChangeCnt;
+ __u64 IBLinkErrRecoveryCnt;
+ __u64 IBLinkDownedCnt;
+ __u64 IBSymbolErrCnt;
+};
+
+#define IPATH_KREG_OFFSET(field) (offsetof( \
+ struct _infinipath_do_not_use_kernel_regs, field) / sizeof(u64))
#define IPATH_CREG_OFFSET(field) (offsetof( \
- struct infinipath_counters, field) / sizeof(u64))
+ struct _infinipath_do_not_use_counters, field) / sizeof(u64))
static const struct ipath_kregs ipath_ht_kregs = {
.kr_control = IPATH_KREG_OFFSET(Control),
@@ -282,6 +329,9 @@ static const struct ipath_cregs ipath_ht_cregs = {
#define INFINIPATH_HWE_HTAPLL_RFSLIP 0x1000000000000000ULL
#define INFINIPATH_HWE_SERDESPLLFAILED 0x2000000000000000ULL
+#define IBA6110_IBCS_LINKTRAININGSTATE_MASK 0xf
+#define IBA6110_IBCS_LINKSTATE_SHIFT 4
+
/* kr_extstatus bits */
#define INFINIPATH_EXTS_FREQSEL 0x2
#define INFINIPATH_EXTS_SERDESSEL 0x4
@@ -296,6 +346,12 @@ static const struct ipath_cregs ipath_ht_cregs = {
#define INFINIPATH_RT_BUFSIZE_MASK 0x3FFFULL
#define INFINIPATH_RT_BUFSIZE_SHIFT 48
+#define INFINIPATH_R_INTRAVAIL_SHIFT 16
+#define INFINIPATH_R_TAILUPD_SHIFT 31
+
+/* kr_xgxsconfig bits */
+#define INFINIPATH_XGXS_RESET 0x7ULL
+
/*
* masks and bits that are different in different chips, or present only
* in one
@@ -652,7 +708,6 @@ static int ipath_ht_boardname(struct ipath_devdata *dd, char *name,
"with ID %u\n", boardrev);
snprintf(name, namelen, "Unknown_InfiniPath_QHT7xxx_%u",
boardrev);
- ret = 1;
break;
}
if (n)
@@ -686,6 +741,13 @@ static int ipath_ht_boardname(struct ipath_devdata *dd, char *name,
dd->ipath_htspeed);
ret = 0;
+ /*
+ * set here, not in ipath_init_*_funcs because we have to do
+ * it after we can read chip registers.
+ */
+ dd->ipath_ureg_align =
+ ipath_read_kreg32(dd, dd->ipath_kregs->kr_pagealign);
+
bail:
return ret;
}
@@ -969,7 +1031,8 @@ static int ipath_setup_ht_config(struct ipath_devdata *dd,
do {
u8 cap_type;
- /* the HT capability type byte is 3 bytes after the
+ /*
+ * The HT capability type byte is 3 bytes after the
* capability byte.
*/
if (pci_read_config_byte(pdev, pos + 3, &cap_type)) {
@@ -982,6 +1045,8 @@ static int ipath_setup_ht_config(struct ipath_devdata *dd,
} while ((pos = pci_find_next_capability(pdev, pos,
PCI_CAP_ID_HT)));
+ dd->ipath_flags |= IPATH_SWAP_PIOBUFS;
+
bail:
return ret;
}
@@ -1074,11 +1139,55 @@ static void ipath_setup_ht_setextled(struct ipath_devdata *dd,
static void ipath_init_ht_variables(struct ipath_devdata *dd)
{
+ /*
+ * setup the register offsets, since they are different for each
+ * chip
+ */
+ dd->ipath_kregs = &ipath_ht_kregs;
+ dd->ipath_cregs = &ipath_ht_cregs;
+
dd->ipath_gpio_sda_num = _IPATH_GPIO_SDA_NUM;
dd->ipath_gpio_scl_num = _IPATH_GPIO_SCL_NUM;
dd->ipath_gpio_sda = IPATH_GPIO_SDA;
dd->ipath_gpio_scl = IPATH_GPIO_SCL;
+ /*
+ * Fill in data for field-values that change in newer chips.
+ * We dynamically specify only the mask for LINKTRAININGSTATE
+ * and only the shift for LINKSTATE, as they are the only ones
+ * that change. Also precalculate the 3 link states of interest
+ * and the combined mask.
+ */
+ dd->ibcs_ls_shift = IBA6110_IBCS_LINKSTATE_SHIFT;
+ dd->ibcs_lts_mask = IBA6110_IBCS_LINKTRAININGSTATE_MASK;
+ dd->ibcs_mask = (INFINIPATH_IBCS_LINKSTATE_MASK <<
+ dd->ibcs_ls_shift) | dd->ibcs_lts_mask;
+ dd->ib_init = (INFINIPATH_IBCS_LT_STATE_LINKUP <<
+ INFINIPATH_IBCS_LINKTRAININGSTATE_SHIFT) |
+ (INFINIPATH_IBCS_L_STATE_INIT << dd->ibcs_ls_shift);
+ dd->ib_arm = (INFINIPATH_IBCS_LT_STATE_LINKUP <<
+ INFINIPATH_IBCS_LINKTRAININGSTATE_SHIFT) |
+ (INFINIPATH_IBCS_L_STATE_ARM << dd->ibcs_ls_shift);
+ dd->ib_active = (INFINIPATH_IBCS_LT_STATE_LINKUP <<
+ INFINIPATH_IBCS_LINKTRAININGSTATE_SHIFT) |
+ (INFINIPATH_IBCS_L_STATE_ACTIVE << dd->ibcs_ls_shift);
+
+ /*
+ * Fill in data for ibcc field-values that change in newer chips.
+ * We dynamically specify only the mask for LINKINITCMD
+ * and only the shift for LINKCMD and MAXPKTLEN, as they are
+ * the only ones that change.
+ */
+ dd->ibcc_lic_mask = INFINIPATH_IBCC_LINKINITCMD_MASK;
+ dd->ibcc_lc_shift = INFINIPATH_IBCC_LINKCMD_SHIFT;
+ dd->ibcc_mpl_shift = INFINIPATH_IBCC_MAXPKTLEN_SHIFT;
+
+ /* Fill in shifts for RcvCtrl. */
+ dd->ipath_r_portenable_shift = INFINIPATH_R_PORTENABLE_SHIFT;
+ dd->ipath_r_intravail_shift = INFINIPATH_R_INTRAVAIL_SHIFT;
+ dd->ipath_r_tailupd_shift = INFINIPATH_R_TAILUPD_SHIFT;
+ dd->ipath_r_portcfg_shift = 0; /* Not on IBA6110 */
+
dd->ipath_i_bitsextant =
(INFINIPATH_I_RCVURG_MASK << INFINIPATH_I_RCVURG_SHIFT) |
(INFINIPATH_I_RCVAVAIL_MASK <<
@@ -1135,6 +1244,8 @@ static void ipath_init_ht_variables(struct ipath_devdata *dd)
dd->ipath_i_rcvavail_mask = INFINIPATH_I_RCVAVAIL_MASK;
dd->ipath_i_rcvurg_mask = INFINIPATH_I_RCVURG_MASK;
+ dd->ipath_i_rcvavail_shift = INFINIPATH_I_RCVAVAIL_SHIFT;
+ dd->ipath_i_rcvurg_shift = INFINIPATH_I_RCVURG_SHIFT;
/*
* EEPROM error log 0 is TXE Parity errors. 1 is RXE Parity.
@@ -1148,9 +1259,17 @@ static void ipath_init_ht_variables(struct ipath_devdata *dd)
INFINIPATH_HWE_RXEMEMPARITYERR_MASK <<
INFINIPATH_HWE_RXEMEMPARITYERR_SHIFT;
- dd->ipath_eep_st_masks[2].errs_to_log =
- INFINIPATH_E_INVALIDADDR | INFINIPATH_E_RESET;
+ dd->ipath_eep_st_masks[2].errs_to_log = INFINIPATH_E_RESET;
+ dd->delay_mult = 2; /* SDR, 4X, can't change */
+
+ dd->ipath_link_width_supported = IB_WIDTH_1X | IB_WIDTH_4X;
+ dd->ipath_link_speed_supported = IPATH_IB_SDR;
+ dd->ipath_link_width_enabled = IB_WIDTH_4X;
+ dd->ipath_link_speed_enabled = dd->ipath_link_speed_supported;
+ /* these can't change for this chip, so set once */
+ dd->ipath_link_width_active = dd->ipath_link_width_enabled;
+ dd->ipath_link_speed_active = dd->ipath_link_speed_enabled;
}
/**
@@ -1205,14 +1324,16 @@ static void ipath_ht_init_hwerrors(struct ipath_devdata *dd)
val &= ~INFINIPATH_HWE_HTCMISCERR4;
/*
- * PLL ignored because MDIO interface has a logic problem
- * for reads, on Comstock and Ponderosa. BRINGUP
+ * PLL ignored because unused MDIO interface has a logic problem
*/
if (dd->ipath_boardrev == 4 || dd->ipath_boardrev == 9)
val &= ~INFINIPATH_HWE_SERDESPLLFAILED;
dd->ipath_hwerrmask = val;
}
+
+
+
/**
* ipath_ht_bringup_serdes - bring up the serdes
* @dd: the infinipath device
@@ -1284,16 +1405,6 @@ static int ipath_ht_bringup_serdes(struct ipath_devdata *dd)
}
val = ipath_read_kreg64(dd, dd->ipath_kregs->kr_xgxsconfig);
- if (((val >> INFINIPATH_XGXS_MDIOADDR_SHIFT) &
- INFINIPATH_XGXS_MDIOADDR_MASK) != 3) {
- val &= ~(INFINIPATH_XGXS_MDIOADDR_MASK <<
- INFINIPATH_XGXS_MDIOADDR_SHIFT);
- /*
- * we use address 3
- */
- val |= 3ULL << INFINIPATH_XGXS_MDIOADDR_SHIFT;
- change = 1;
- }
if (val & INFINIPATH_XGXS_RESET) {
/* normally true after boot */
val &= ~INFINIPATH_XGXS_RESET;
@@ -1329,21 +1440,6 @@ static int ipath_ht_bringup_serdes(struct ipath_devdata *dd)
(unsigned long long)
ipath_read_kreg64(dd, dd->ipath_kregs->kr_xgxsconfig));
- if (!ipath_waitfor_mdio_cmdready(dd)) {
- ipath_write_kreg(dd, dd->ipath_kregs->kr_mdio,
- ipath_mdio_req(IPATH_MDIO_CMD_READ, 31,
- IPATH_MDIO_CTRL_XGXS_REG_8,
- 0));
- if (ipath_waitfor_complete(dd, dd->ipath_kregs->kr_mdio,
- IPATH_MDIO_DATAVALID, &val))
- ipath_dbg("Never got MDIO data for XGXS status "
- "read\n");
- else
- ipath_cdbg(VERBOSE, "MDIO Read reg8, "
- "'bank' 31 %x\n", (u32) val);
- } else
- ipath_dbg("Never got MDIO cmdready for XGXS status read\n");
-
return ret; /* for now, say we always succeeded */
}
@@ -1396,6 +1492,7 @@ static void ipath_ht_put_tid(struct ipath_devdata *dd,
pa |= lenvalid | INFINIPATH_RT_VALID;
}
}
+
writeq(pa, tidptr);
}
@@ -1526,8 +1623,7 @@ static int ipath_ht_early_init(struct ipath_devdata *dd)
}
ipath_get_eeprom_info(dd);
- if (dd->ipath_boardrev == 5 && dd->ipath_serial[0] == '1' &&
- dd->ipath_serial[1] == '2' && dd->ipath_serial[2] == '8') {
+ if (dd->ipath_boardrev == 5) {
/*
* Later production QHT7040 has same changes as QHT7140, so
* can use GPIO interrupts. They have serial #'s starting
@@ -1602,6 +1698,210 @@ static void ipath_ht_free_irq(struct ipath_devdata *dd)
dd->ipath_intconfig = 0;
}
+static struct ipath_message_header *
+ipath_ht_get_msgheader(struct ipath_devdata *dd, __le32 *rhf_addr)
+{
+ return (struct ipath_message_header *)
+ &rhf_addr[sizeof(u64) / sizeof(u32)];
+}
+
+static void ipath_ht_config_ports(struct ipath_devdata *dd, ushort cfgports)
+{
+ dd->ipath_portcnt =
+ ipath_read_kreg32(dd, dd->ipath_kregs->kr_portcnt);
+ dd->ipath_p0_rcvegrcnt =
+ ipath_read_kreg32(dd, dd->ipath_kregs->kr_rcvegrcnt);
+}
+
+static void ipath_ht_read_counters(struct ipath_devdata *dd,
+ struct infinipath_counters *cntrs)
+{
+ cntrs->LBIntCnt =
+ ipath_snap_cntr(dd, IPATH_CREG_OFFSET(LBIntCnt));
+ cntrs->LBFlowStallCnt =
+ ipath_snap_cntr(dd, IPATH_CREG_OFFSET(LBFlowStallCnt));
+ cntrs->TxSDmaDescCnt = 0;
+ cntrs->TxUnsupVLErrCnt =
+ ipath_snap_cntr(dd, IPATH_CREG_OFFSET(TxUnsupVLErrCnt));
+ cntrs->TxDataPktCnt =
+ ipath_snap_cntr(dd, IPATH_CREG_OFFSET(TxDataPktCnt));
+ cntrs->TxFlowPktCnt =
+ ipath_snap_cntr(dd, IPATH_CREG_OFFSET(TxFlowPktCnt));
+ cntrs->TxDwordCnt =
+ ipath_snap_cntr(dd, IPATH_CREG_OFFSET(TxDwordCnt));
+ cntrs->TxLenErrCnt =
+ ipath_snap_cntr(dd, IPATH_CREG_OFFSET(TxLenErrCnt));
+ cntrs->TxMaxMinLenErrCnt =
+ ipath_snap_cntr(dd, IPATH_CREG_OFFSET(TxMaxMinLenErrCnt));
+ cntrs->TxUnderrunCnt =
+ ipath_snap_cntr(dd, IPATH_CREG_OFFSET(TxUnderrunCnt));
+ cntrs->TxFlowStallCnt =
+ ipath_snap_cntr(dd, IPATH_CREG_OFFSET(TxFlowStallCnt));
+ cntrs->TxDroppedPktCnt =
+ ipath_snap_cntr(dd, IPATH_CREG_OFFSET(TxDroppedPktCnt));
+ cntrs->RxDroppedPktCnt =
+ ipath_snap_cntr(dd, IPATH_CREG_OFFSET(RxDroppedPktCnt));
+ cntrs->RxDataPktCnt =
+ ipath_snap_cntr(dd, IPATH_CREG_OFFSET(RxDataPktCnt));
+ cntrs->RxFlowPktCnt =
+ ipath_snap_cntr(dd, IPATH_CREG_OFFSET(RxFlowPktCnt));
+ cntrs->RxDwordCnt =
+ ipath_snap_cntr(dd, IPATH_CREG_OFFSET(RxDwordCnt));
+ cntrs->RxLenErrCnt =
+ ipath_snap_cntr(dd, IPATH_CREG_OFFSET(RxLenErrCnt));
+ cntrs->RxMaxMinLenErrCnt =
+ ipath_snap_cntr(dd, IPATH_CREG_OFFSET(RxMaxMinLenErrCnt));
+ cntrs->RxICRCErrCnt =
+ ipath_snap_cntr(dd, IPATH_CREG_OFFSET(RxICRCErrCnt));
+ cntrs->RxVCRCErrCnt =
+ ipath_snap_cntr(dd, IPATH_CREG_OFFSET(RxVCRCErrCnt));
+ cntrs->RxFlowCtrlErrCnt =
+ ipath_snap_cntr(dd, IPATH_CREG_OFFSET(RxFlowCtrlErrCnt));
+ cntrs->RxBadFormatCnt =
+ ipath_snap_cntr(dd, IPATH_CREG_OFFSET(RxBadFormatCnt));
+ cntrs->RxLinkProblemCnt =
+ ipath_snap_cntr(dd, IPATH_CREG_OFFSET(RxLinkProblemCnt));
+ cntrs->RxEBPCnt =
+ ipath_snap_cntr(dd, IPATH_CREG_OFFSET(RxEBPCnt));
+ cntrs->RxLPCRCErrCnt =
+ ipath_snap_cntr(dd, IPATH_CREG_OFFSET(RxLPCRCErrCnt));
+ cntrs->RxBufOvflCnt =
+ ipath_snap_cntr(dd, IPATH_CREG_OFFSET(RxBufOvflCnt));
+ cntrs->RxTIDFullErrCnt =
+ ipath_snap_cntr(dd, IPATH_CREG_OFFSET(RxTIDFullErrCnt));
+ cntrs->RxTIDValidErrCnt =
+ ipath_snap_cntr(dd, IPATH_CREG_OFFSET(RxTIDValidErrCnt));
+ cntrs->RxPKeyMismatchCnt =
+ ipath_snap_cntr(dd, IPATH_CREG_OFFSET(RxPKeyMismatchCnt));
+ cntrs->RxP0HdrEgrOvflCnt =
+ ipath_snap_cntr(dd, IPATH_CREG_OFFSET(RxP0HdrEgrOvflCnt));
+ cntrs->RxP1HdrEgrOvflCnt =
+ ipath_snap_cntr(dd, IPATH_CREG_OFFSET(RxP1HdrEgrOvflCnt));
+ cntrs->RxP2HdrEgrOvflCnt =
+ ipath_snap_cntr(dd, IPATH_CREG_OFFSET(RxP2HdrEgrOvflCnt));
+ cntrs->RxP3HdrEgrOvflCnt =
+ ipath_snap_cntr(dd, IPATH_CREG_OFFSET(RxP3HdrEgrOvflCnt));
+ cntrs->RxP4HdrEgrOvflCnt =
+ ipath_snap_cntr(dd, IPATH_CREG_OFFSET(RxP4HdrEgrOvflCnt));
+ cntrs->RxP5HdrEgrOvflCnt =
+ ipath_snap_cntr(dd, IPATH_CREG_OFFSET(RxP5HdrEgrOvflCnt));
+ cntrs->RxP6HdrEgrOvflCnt =
+ ipath_snap_cntr(dd, IPATH_CREG_OFFSET(RxP6HdrEgrOvflCnt));
+ cntrs->RxP7HdrEgrOvflCnt =
+ ipath_snap_cntr(dd, IPATH_CREG_OFFSET(RxP7HdrEgrOvflCnt));
+ cntrs->RxP8HdrEgrOvflCnt =
+ ipath_snap_cntr(dd, IPATH_CREG_OFFSET(RxP8HdrEgrOvflCnt));
+ cntrs->RxP9HdrEgrOvflCnt = 0;
+ cntrs->RxP10HdrEgrOvflCnt = 0;
+ cntrs->RxP11HdrEgrOvflCnt = 0;
+ cntrs->RxP12HdrEgrOvflCnt = 0;
+ cntrs->RxP13HdrEgrOvflCnt = 0;
+ cntrs->RxP14HdrEgrOvflCnt = 0;
+ cntrs->RxP15HdrEgrOvflCnt = 0;
+ cntrs->RxP16HdrEgrOvflCnt = 0;
+ cntrs->IBStatusChangeCnt =
+ ipath_snap_cntr(dd, IPATH_CREG_OFFSET(IBStatusChangeCnt));
+ cntrs->IBLinkErrRecoveryCnt =
+ ipath_snap_cntr(dd, IPATH_CREG_OFFSET(IBLinkErrRecoveryCnt));
+ cntrs->IBLinkDownedCnt =
+ ipath_snap_cntr(dd, IPATH_CREG_OFFSET(IBLinkDownedCnt));
+ cntrs->IBSymbolErrCnt =
+ ipath_snap_cntr(dd, IPATH_CREG_OFFSET(IBSymbolErrCnt));
+ cntrs->RxVL15DroppedPktCnt = 0;
+ cntrs->RxOtherLocalPhyErrCnt = 0;
+ cntrs->PcieRetryBufDiagQwordCnt = 0;
+ cntrs->ExcessBufferOvflCnt = dd->ipath_overrun_thresh_errs;
+ cntrs->LocalLinkIntegrityErrCnt =
+ (dd->ipath_flags & IPATH_GPIO_ERRINTRS) ?
+ dd->ipath_lli_errs : dd->ipath_lli_errors;
+ cntrs->RxVlErrCnt = 0;
+ cntrs->RxDlidFltrCnt = 0;
+}
+
+
+/* no interrupt fallback for these chips */
+static int ipath_ht_nointr_fallback(struct ipath_devdata *dd)
+{
+ return 0;
+}
+
+
+/*
+ * reset the XGXS (between serdes and IBC). Slightly less intrusive
+ * than resetting the IBC or external link state, and useful in some
+ * cases to cause some retraining. To do this right, we reset IBC
+ * as well.
+ */
+static void ipath_ht_xgxs_reset(struct ipath_devdata *dd)
+{
+ u64 val, prev_val;
+
+ prev_val = ipath_read_kreg64(dd, dd->ipath_kregs->kr_xgxsconfig);
+ val = prev_val | INFINIPATH_XGXS_RESET;
+ prev_val &= ~INFINIPATH_XGXS_RESET; /* be sure */
+ ipath_write_kreg(dd, dd->ipath_kregs->kr_control,
+ dd->ipath_control & ~INFINIPATH_C_LINKENABLE);
+ ipath_write_kreg(dd, dd->ipath_kregs->kr_xgxsconfig, val);
+ ipath_read_kreg32(dd, dd->ipath_kregs->kr_scratch);
+ ipath_write_kreg(dd, dd->ipath_kregs->kr_xgxsconfig, prev_val);
+ ipath_write_kreg(dd, dd->ipath_kregs->kr_control,
+ dd->ipath_control);
+}
+
+
+static int ipath_ht_get_ib_cfg(struct ipath_devdata *dd, int which)
+{
+ int ret;
+
+ switch (which) {
+ case IPATH_IB_CFG_LWID:
+ ret = dd->ipath_link_width_active;
+ break;
+ case IPATH_IB_CFG_SPD:
+ ret = dd->ipath_link_speed_active;
+ break;
+ case IPATH_IB_CFG_LWID_ENB:
+ ret = dd->ipath_link_width_enabled;
+ break;
+ case IPATH_IB_CFG_SPD_ENB:
+ ret = dd->ipath_link_speed_enabled;
+ break;
+ default:
+ ret = -ENOTSUPP;
+ break;
+ }
+ return ret;
+}
+
+
+/* we assume range checking is already done, if needed */
+static int ipath_ht_set_ib_cfg(struct ipath_devdata *dd, int which, u32 val)
+{
+ int ret = 0;
+
+ if (which == IPATH_IB_CFG_LWID_ENB)
+ dd->ipath_link_width_enabled = val;
+ else if (which == IPATH_IB_CFG_SPD_ENB)
+ dd->ipath_link_speed_enabled = val;
+ else
+ ret = -ENOTSUPP;
+ return ret;
+}
+
+
+static void ipath_ht_config_jint(struct ipath_devdata *dd, u16 a, u16 b)
+{
+}
+
+
+static int ipath_ht_ib_updown(struct ipath_devdata *dd, int ibup, u64 ibcs)
+{
+ ipath_setup_ht_setextled(dd, ipath_ib_linkstate(dd, ibcs),
+ ipath_ib_linktrstate(dd, ibcs));
+ return 0;
+}
+
+
/**
* ipath_init_iba6110_funcs - set up the chip-specific function pointers
* @dd: the infinipath device
@@ -1626,22 +1926,19 @@ void ipath_init_iba6110_funcs(struct ipath_devdata *dd)
dd->ipath_f_setextled = ipath_setup_ht_setextled;
dd->ipath_f_get_base_info = ipath_ht_get_base_info;
dd->ipath_f_free_irq = ipath_ht_free_irq;
-
- /*
- * initialize chip-specific variables
- */
dd->ipath_f_tidtemplate = ipath_ht_tidtemplate;
+ dd->ipath_f_intr_fallback = ipath_ht_nointr_fallback;
+ dd->ipath_f_get_msgheader = ipath_ht_get_msgheader;
+ dd->ipath_f_config_ports = ipath_ht_config_ports;
+ dd->ipath_f_read_counters = ipath_ht_read_counters;
+ dd->ipath_f_xgxs_reset = ipath_ht_xgxs_reset;
+ dd->ipath_f_get_ib_cfg = ipath_ht_get_ib_cfg;
+ dd->ipath_f_set_ib_cfg = ipath_ht_set_ib_cfg;
+ dd->ipath_f_config_jint = ipath_ht_config_jint;
+ dd->ipath_f_ib_updown = ipath_ht_ib_updown;
/*
- * setup the register offsets, since they are different for each
- * chip
- */
- dd->ipath_kregs = &ipath_ht_kregs;
- dd->ipath_cregs = &ipath_ht_cregs;
-
- /*
- * do very early init that is needed before ipath_f_bus is
- * called
+ * initialize chip-specific variables
*/
ipath_init_ht_variables(dd);
}
diff --git a/drivers/infiniband/hw/ipath/ipath_iba6120.c b/drivers/infiniband/hw/ipath/ipath_iba6120.c
index 0103d6f4847b..c7a2f50824c0 100644
--- a/drivers/infiniband/hw/ipath/ipath_iba6120.c
+++ b/drivers/infiniband/hw/ipath/ipath_iba6120.c
@@ -145,10 +145,57 @@ struct _infinipath_do_not_use_kernel_regs {
unsigned long long Reserved12;
};
-#define IPATH_KREG_OFFSET(field) (offsetof(struct \
- _infinipath_do_not_use_kernel_regs, field) / sizeof(u64))
+struct _infinipath_do_not_use_counters {
+ __u64 LBIntCnt;
+ __u64 LBFlowStallCnt;
+ __u64 Reserved1;
+ __u64 TxUnsupVLErrCnt;
+ __u64 TxDataPktCnt;
+ __u64 TxFlowPktCnt;
+ __u64 TxDwordCnt;
+ __u64 TxLenErrCnt;
+ __u64 TxMaxMinLenErrCnt;
+ __u64 TxUnderrunCnt;
+ __u64 TxFlowStallCnt;
+ __u64 TxDroppedPktCnt;
+ __u64 RxDroppedPktCnt;
+ __u64 RxDataPktCnt;
+ __u64 RxFlowPktCnt;
+ __u64 RxDwordCnt;
+ __u64 RxLenErrCnt;
+ __u64 RxMaxMinLenErrCnt;
+ __u64 RxICRCErrCnt;
+ __u64 RxVCRCErrCnt;
+ __u64 RxFlowCtrlErrCnt;
+ __u64 RxBadFormatCnt;
+ __u64 RxLinkProblemCnt;
+ __u64 RxEBPCnt;
+ __u64 RxLPCRCErrCnt;
+ __u64 RxBufOvflCnt;
+ __u64 RxTIDFullErrCnt;
+ __u64 RxTIDValidErrCnt;
+ __u64 RxPKeyMismatchCnt;
+ __u64 RxP0HdrEgrOvflCnt;
+ __u64 RxP1HdrEgrOvflCnt;
+ __u64 RxP2HdrEgrOvflCnt;
+ __u64 RxP3HdrEgrOvflCnt;
+ __u64 RxP4HdrEgrOvflCnt;
+ __u64 RxP5HdrEgrOvflCnt;
+ __u64 RxP6HdrEgrOvflCnt;
+ __u64 RxP7HdrEgrOvflCnt;
+ __u64 RxP8HdrEgrOvflCnt;
+ __u64 Reserved6;
+ __u64 Reserved7;
+ __u64 IBStatusChangeCnt;
+ __u64 IBLinkErrRecoveryCnt;
+ __u64 IBLinkDownedCnt;
+ __u64 IBSymbolErrCnt;
+};
+
+#define IPATH_KREG_OFFSET(field) (offsetof( \
+ struct _infinipath_do_not_use_kernel_regs, field) / sizeof(u64))
#define IPATH_CREG_OFFSET(field) (offsetof( \
- struct infinipath_counters, field) / sizeof(u64))
+ struct _infinipath_do_not_use_counters, field) / sizeof(u64))
static const struct ipath_kregs ipath_pe_kregs = {
.kr_control = IPATH_KREG_OFFSET(Control),
@@ -282,6 +329,9 @@ static const struct ipath_cregs ipath_pe_cregs = {
#define INFINIPATH_HWE_PCIE0PLLFAILED 0x0800000000000000ULL
#define INFINIPATH_HWE_SERDESPLLFAILED 0x1000000000000000ULL
+#define IBA6120_IBCS_LINKTRAININGSTATE_MASK 0xf
+#define IBA6120_IBCS_LINKSTATE_SHIFT 4
+
/* kr_extstatus bits */
#define INFINIPATH_EXTS_FREQSEL 0x2
#define INFINIPATH_EXTS_SERDESSEL 0x4
@@ -296,6 +346,9 @@ static const struct ipath_cregs ipath_pe_cregs = {
#define IPATH_GPIO_SCL (1ULL << \
(_IPATH_GPIO_SCL_NUM+INFINIPATH_EXTC_GPIOOE_SHIFT))
+#define INFINIPATH_R_INTRAVAIL_SHIFT 16
+#define INFINIPATH_R_TAILUPD_SHIFT 31
+
/* 6120 specific hardware errors... */
static const struct ipath_hwerror_msgs ipath_6120_hwerror_msgs[] = {
INFINIPATH_HWE_MSG(PCIEPOISONEDTLP, "PCIe Poisoned TLP"),
@@ -320,10 +373,28 @@ static const struct ipath_hwerror_msgs ipath_6120_hwerror_msgs[] = {
INFINIPATH_HWE_TXEMEMPARITYERR_PIOPBC) \
<< INFINIPATH_HWE_TXEMEMPARITYERR_SHIFT)
-static int ipath_pe_txe_recover(struct ipath_devdata *);
static void ipath_pe_put_tid_2(struct ipath_devdata *, u64 __iomem *,
u32, unsigned long);
+/*
+ * On platforms using this chip, and not having ordered WC stores, we
+ * can get TXE parity errors due to speculative reads to the PIO buffers,
+ * and this, due to a chip bug can result in (many) false parity error
+ * reports. So it's a debug print on those, and an info print on systems
+ * where the speculative reads don't occur.
+ */
+static void ipath_pe_txe_recover(struct ipath_devdata *dd)
+{
+ if (ipath_unordered_wc())
+ ipath_dbg("Recovering from TXE PIO parity error\n");
+ else {
+ ++ipath_stats.sps_txeparity;
+ dev_info(&dd->pcidev->dev,
+ "Recovering from TXE PIO parity error\n");
+ }
+}
+
+
/**
* ipath_pe_handle_hwerrors - display hardware errors.
* @dd: the infinipath device
@@ -403,35 +474,11 @@ static void ipath_pe_handle_hwerrors(struct ipath_devdata *dd, char *msg,
* occur if a processor speculative read is done to the PIO
* buffer while we are sending a packet, for example.
*/
- if ((hwerrs & TXE_PIO_PARITY) && ipath_pe_txe_recover(dd))
+ if (hwerrs & TXE_PIO_PARITY) {
+ ipath_pe_txe_recover(dd);
hwerrs &= ~TXE_PIO_PARITY;
- if (hwerrs) {
- /*
- * if any set that we aren't ignoring only make the
- * complaint once, in case it's stuck or recurring,
- * and we get here multiple times
- * Force link down, so switch knows, and
- * LEDs are turned off
- */
- if (dd->ipath_flags & IPATH_INITTED) {
- ipath_set_linkstate(dd, IPATH_IB_LINKDOWN);
- ipath_setup_pe_setextled(dd,
- INFINIPATH_IBCS_L_STATE_DOWN,
- INFINIPATH_IBCS_LT_STATE_DISABLED);
- ipath_dev_err(dd, "Fatal Hardware Error (freeze "
- "mode), no longer usable, SN %.16s\n",
- dd->ipath_serial);
- isfatal = 1;
- }
- /*
- * Mark as having had an error for driver, and also
- * for /sys and status word mapped to user programs.
- * This marks unit as not usable, until reset
- */
- *dd->ipath_statusp &= ~IPATH_STATUS_IB_READY;
- *dd->ipath_statusp |= IPATH_STATUS_HWERROR;
- dd->ipath_flags &= ~IPATH_INITTED;
- } else {
+ }
+ if (!hwerrs) {
static u32 freeze_cnt;
freeze_cnt++;
@@ -485,7 +532,7 @@ static void ipath_pe_handle_hwerrors(struct ipath_devdata *dd, char *msg,
if (hwerrs & INFINIPATH_HWE_SERDESPLLFAILED) {
/*
- * If it occurs, it is left masked since the eternal
+ * If it occurs, it is left masked since the external
* interface is unused
*/
dd->ipath_hwerrmask &= ~INFINIPATH_HWE_SERDESPLLFAILED;
@@ -563,6 +610,14 @@ static int ipath_pe_boardname(struct ipath_devdata *dd, char *name,
dd->ipath_f_put_tid = ipath_pe_put_tid_2;
}
+
+ /*
+ * set here, not in ipath_init_*_funcs because we have to do
+ * it after we can read chip registers.
+ */
+ dd->ipath_ureg_align =
+ ipath_read_kreg32(dd, dd->ipath_kregs->kr_pagealign);
+
return ret;
}
@@ -667,17 +722,8 @@ static int ipath_pe_bringup_serdes(struct ipath_devdata *dd)
val = ipath_read_kreg64(dd, dd->ipath_kregs->kr_xgxsconfig);
prev_val = val;
- if (((val >> INFINIPATH_XGXS_MDIOADDR_SHIFT) &
- INFINIPATH_XGXS_MDIOADDR_MASK) != 3) {
- val &=
- ~(INFINIPATH_XGXS_MDIOADDR_MASK <<
- INFINIPATH_XGXS_MDIOADDR_SHIFT);
- /* MDIO address 3 */
- val |= 3ULL << INFINIPATH_XGXS_MDIOADDR_SHIFT;
- }
- if (val & INFINIPATH_XGXS_RESET) {
+ if (val & INFINIPATH_XGXS_RESET)
val &= ~INFINIPATH_XGXS_RESET;
- }
if (((val >> INFINIPATH_XGXS_RX_POL_SHIFT) &
INFINIPATH_XGXS_RX_POL_MASK) != dd->ipath_rx_pol_inv ) {
/* need to compensate for Tx inversion in partner */
@@ -707,21 +753,6 @@ static int ipath_pe_bringup_serdes(struct ipath_devdata *dd)
(unsigned long long)
ipath_read_kreg64(dd, dd->ipath_kregs->kr_xgxsconfig));
- if (!ipath_waitfor_mdio_cmdready(dd)) {
- ipath_write_kreg(
- dd, dd->ipath_kregs->kr_mdio,
- ipath_mdio_req(IPATH_MDIO_CMD_READ, 31,
- IPATH_MDIO_CTRL_XGXS_REG_8, 0));
- if (ipath_waitfor_complete(dd, dd->ipath_kregs->kr_mdio,
- IPATH_MDIO_DATAVALID, &val))
- ipath_dbg("Never got MDIO data for XGXS "
- "status read\n");
- else
- ipath_cdbg(VERBOSE, "MDIO Read reg8, "
- "'bank' 31 %x\n", (u32) val);
- } else
- ipath_dbg("Never got MDIO cmdready for XGXS status read\n");
-
return ret;
}
@@ -902,12 +933,27 @@ static int ipath_setup_pe_config(struct ipath_devdata *dd,
else
ipath_dev_err(dd, "Can't find PCI Express "
"capability!\n");
+
+ dd->ipath_link_width_supported = IB_WIDTH_1X | IB_WIDTH_4X;
+ dd->ipath_link_speed_supported = IPATH_IB_SDR;
+ dd->ipath_link_width_enabled = IB_WIDTH_4X;
+ dd->ipath_link_speed_enabled = dd->ipath_link_speed_supported;
+ /* these can't change for this chip, so set once */
+ dd->ipath_link_width_active = dd->ipath_link_width_enabled;
+ dd->ipath_link_speed_active = dd->ipath_link_speed_enabled;
return 0;
}
static void ipath_init_pe_variables(struct ipath_devdata *dd)
{
/*
+ * setup the register offsets, since they are different for each
+ * chip
+ */
+ dd->ipath_kregs = &ipath_pe_kregs;
+ dd->ipath_cregs = &ipath_pe_cregs;
+
+ /*
* bits for selecting i2c direction and values,
* used for I2C serial flash
*/
@@ -916,6 +962,43 @@ static void ipath_init_pe_variables(struct ipath_devdata *dd)
dd->ipath_gpio_sda = IPATH_GPIO_SDA;
dd->ipath_gpio_scl = IPATH_GPIO_SCL;
+ /*
+ * Fill in data for field-values that change in newer chips.
+ * We dynamically specify only the mask for LINKTRAININGSTATE
+ * and only the shift for LINKSTATE, as they are the only ones
+ * that change. Also precalculate the 3 link states of interest
+ * and the combined mask.
+ */
+ dd->ibcs_ls_shift = IBA6120_IBCS_LINKSTATE_SHIFT;
+ dd->ibcs_lts_mask = IBA6120_IBCS_LINKTRAININGSTATE_MASK;
+ dd->ibcs_mask = (INFINIPATH_IBCS_LINKSTATE_MASK <<
+ dd->ibcs_ls_shift) | dd->ibcs_lts_mask;
+ dd->ib_init = (INFINIPATH_IBCS_LT_STATE_LINKUP <<
+ INFINIPATH_IBCS_LINKTRAININGSTATE_SHIFT) |
+ (INFINIPATH_IBCS_L_STATE_INIT << dd->ibcs_ls_shift);
+ dd->ib_arm = (INFINIPATH_IBCS_LT_STATE_LINKUP <<
+ INFINIPATH_IBCS_LINKTRAININGSTATE_SHIFT) |
+ (INFINIPATH_IBCS_L_STATE_ARM << dd->ibcs_ls_shift);
+ dd->ib_active = (INFINIPATH_IBCS_LT_STATE_LINKUP <<
+ INFINIPATH_IBCS_LINKTRAININGSTATE_SHIFT) |
+ (INFINIPATH_IBCS_L_STATE_ACTIVE << dd->ibcs_ls_shift);
+
+ /*
+ * Fill in data for ibcc field-values that change in newer chips.
+ * We dynamically specify only the mask for LINKINITCMD
+ * and only the shift for LINKCMD and MAXPKTLEN, as they are
+ * the only ones that change.
+ */
+ dd->ibcc_lic_mask = INFINIPATH_IBCC_LINKINITCMD_MASK;
+ dd->ibcc_lc_shift = INFINIPATH_IBCC_LINKCMD_SHIFT;
+ dd->ibcc_mpl_shift = INFINIPATH_IBCC_MAXPKTLEN_SHIFT;
+
+ /* Fill in shifts for RcvCtrl. */
+ dd->ipath_r_portenable_shift = INFINIPATH_R_PORTENABLE_SHIFT;
+ dd->ipath_r_intravail_shift = INFINIPATH_R_INTRAVAIL_SHIFT;
+ dd->ipath_r_tailupd_shift = INFINIPATH_R_TAILUPD_SHIFT;
+ dd->ipath_r_portcfg_shift = 0; /* Not on IBA6120 */
+
/* variables for sanity checking interrupt and errors */
dd->ipath_hwe_bitsextant =
(INFINIPATH_HWE_RXEMEMPARITYERR_MASK <<
@@ -963,6 +1046,8 @@ static void ipath_init_pe_variables(struct ipath_devdata *dd)
dd->ipath_i_rcvavail_mask = INFINIPATH_I_RCVAVAIL_MASK;
dd->ipath_i_rcvurg_mask = INFINIPATH_I_RCVURG_MASK;
+ dd->ipath_i_rcvavail_shift = INFINIPATH_I_RCVAVAIL_SHIFT;
+ dd->ipath_i_rcvurg_shift = INFINIPATH_I_RCVURG_SHIFT;
/*
* EEPROM error log 0 is TXE Parity errors. 1 is RXE Parity.
@@ -984,6 +1069,7 @@ static void ipath_init_pe_variables(struct ipath_devdata *dd)
INFINIPATH_E_INVALIDADDR | INFINIPATH_E_RESET;
+ dd->delay_mult = 2; /* SDR, 4X, can't change */
}
/* setup the MSI stuff again after a reset. I'd like to just call
@@ -1289,6 +1375,9 @@ static int ipath_pe_early_init(struct ipath_devdata *dd)
*/
dd->ipath_rcvhdrentsize = 24;
dd->ipath_rcvhdrsize = IPATH_DFLT_RCVHDRSIZE;
+ dd->ipath_rhf_offset = 0;
+ dd->ipath_egrtidbase = (u64 __iomem *)
+ ((char __iomem *) dd->ipath_kregbase + dd->ipath_rcvegrbase);
/*
* To truly support a 4KB MTU (for usermode), we need to
@@ -1359,34 +1448,204 @@ static void ipath_pe_free_irq(struct ipath_devdata *dd)
dd->ipath_irq = 0;
}
+
+static struct ipath_message_header *
+ipath_pe_get_msgheader(struct ipath_devdata *dd, __le32 *rhf_addr)
+{
+ return (struct ipath_message_header *)
+ &rhf_addr[sizeof(u64) / sizeof(u32)];
+}
+
+static void ipath_pe_config_ports(struct ipath_devdata *dd, ushort cfgports)
+{
+ dd->ipath_portcnt =
+ ipath_read_kreg32(dd, dd->ipath_kregs->kr_portcnt);
+ dd->ipath_p0_rcvegrcnt =
+ ipath_read_kreg32(dd, dd->ipath_kregs->kr_rcvegrcnt);
+}
+
+static void ipath_pe_read_counters(struct ipath_devdata *dd,
+ struct infinipath_counters *cntrs)
+{
+ cntrs->LBIntCnt =
+ ipath_snap_cntr(dd, IPATH_CREG_OFFSET(LBIntCnt));
+ cntrs->LBFlowStallCnt =
+ ipath_snap_cntr(dd, IPATH_CREG_OFFSET(LBFlowStallCnt));
+ cntrs->TxSDmaDescCnt = 0;
+ cntrs->TxUnsupVLErrCnt =
+ ipath_snap_cntr(dd, IPATH_CREG_OFFSET(TxUnsupVLErrCnt));
+ cntrs->TxDataPktCnt =
+ ipath_snap_cntr(dd, IPATH_CREG_OFFSET(TxDataPktCnt));
+ cntrs->TxFlowPktCnt =
+ ipath_snap_cntr(dd, IPATH_CREG_OFFSET(TxFlowPktCnt));
+ cntrs->TxDwordCnt =
+ ipath_snap_cntr(dd, IPATH_CREG_OFFSET(TxDwordCnt));
+ cntrs->TxLenErrCnt =
+ ipath_snap_cntr(dd, IPATH_CREG_OFFSET(TxLenErrCnt));
+ cntrs->TxMaxMinLenErrCnt =
+ ipath_snap_cntr(dd, IPATH_CREG_OFFSET(TxMaxMinLenErrCnt));
+ cntrs->TxUnderrunCnt =
+ ipath_snap_cntr(dd, IPATH_CREG_OFFSET(TxUnderrunCnt));
+ cntrs->TxFlowStallCnt =
+ ipath_snap_cntr(dd, IPATH_CREG_OFFSET(TxFlowStallCnt));
+ cntrs->TxDroppedPktCnt =
+ ipath_snap_cntr(dd, IPATH_CREG_OFFSET(TxDroppedPktCnt));
+ cntrs->RxDroppedPktCnt =
+ ipath_snap_cntr(dd, IPATH_CREG_OFFSET(RxDroppedPktCnt));
+ cntrs->RxDataPktCnt =
+ ipath_snap_cntr(dd, IPATH_CREG_OFFSET(RxDataPktCnt));
+ cntrs->RxFlowPktCnt =
+ ipath_snap_cntr(dd, IPATH_CREG_OFFSET(RxFlowPktCnt));
+ cntrs->RxDwordCnt =
+ ipath_snap_cntr(dd, IPATH_CREG_OFFSET(RxDwordCnt));
+ cntrs->RxLenErrCnt =
+ ipath_snap_cntr(dd, IPATH_CREG_OFFSET(RxLenErrCnt));
+ cntrs->RxMaxMinLenErrCnt =
+ ipath_snap_cntr(dd, IPATH_CREG_OFFSET(RxMaxMinLenErrCnt));
+ cntrs->RxICRCErrCnt =
+ ipath_snap_cntr(dd, IPATH_CREG_OFFSET(RxICRCErrCnt));
+ cntrs->RxVCRCErrCnt =
+ ipath_snap_cntr(dd, IPATH_CREG_OFFSET(RxVCRCErrCnt));
+ cntrs->RxFlowCtrlErrCnt =
+ ipath_snap_cntr(dd, IPATH_CREG_OFFSET(RxFlowCtrlErrCnt));
+ cntrs->RxBadFormatCnt =
+ ipath_snap_cntr(dd, IPATH_CREG_OFFSET(RxBadFormatCnt));
+ cntrs->RxLinkProblemCnt =
+ ipath_snap_cntr(dd, IPATH_CREG_OFFSET(RxLinkProblemCnt));
+ cntrs->RxEBPCnt =
+ ipath_snap_cntr(dd, IPATH_CREG_OFFSET(RxEBPCnt));
+ cntrs->RxLPCRCErrCnt =
+ ipath_snap_cntr(dd, IPATH_CREG_OFFSET(RxLPCRCErrCnt));
+ cntrs->RxBufOvflCnt =
+ ipath_snap_cntr(dd, IPATH_CREG_OFFSET(RxBufOvflCnt));
+ cntrs->RxTIDFullErrCnt =
+ ipath_snap_cntr(dd, IPATH_CREG_OFFSET(RxTIDFullErrCnt));
+ cntrs->RxTIDValidErrCnt =
+ ipath_snap_cntr(dd, IPATH_CREG_OFFSET(RxTIDValidErrCnt));
+ cntrs->RxPKeyMismatchCnt =
+ ipath_snap_cntr(dd, IPATH_CREG_OFFSET(RxPKeyMismatchCnt));
+ cntrs->RxP0HdrEgrOvflCnt =
+ ipath_snap_cntr(dd, IPATH_CREG_OFFSET(RxP0HdrEgrOvflCnt));
+ cntrs->RxP1HdrEgrOvflCnt =
+ ipath_snap_cntr(dd, IPATH_CREG_OFFSET(RxP1HdrEgrOvflCnt));
+ cntrs->RxP2HdrEgrOvflCnt =
+ ipath_snap_cntr(dd, IPATH_CREG_OFFSET(RxP2HdrEgrOvflCnt));
+ cntrs->RxP3HdrEgrOvflCnt =
+ ipath_snap_cntr(dd, IPATH_CREG_OFFSET(RxP3HdrEgrOvflCnt));
+ cntrs->RxP4HdrEgrOvflCnt =
+ ipath_snap_cntr(dd, IPATH_CREG_OFFSET(RxP4HdrEgrOvflCnt));
+ cntrs->RxP5HdrEgrOvflCnt = 0;
+ cntrs->RxP6HdrEgrOvflCnt = 0;
+ cntrs->RxP7HdrEgrOvflCnt = 0;
+ cntrs->RxP8HdrEgrOvflCnt = 0;
+ cntrs->RxP9HdrEgrOvflCnt = 0;
+ cntrs->RxP10HdrEgrOvflCnt = 0;
+ cntrs->RxP11HdrEgrOvflCnt = 0;
+ cntrs->RxP12HdrEgrOvflCnt = 0;
+ cntrs->RxP13HdrEgrOvflCnt = 0;
+ cntrs->RxP14HdrEgrOvflCnt = 0;
+ cntrs->RxP15HdrEgrOvflCnt = 0;
+ cntrs->RxP16HdrEgrOvflCnt = 0;
+ cntrs->IBStatusChangeCnt =
+ ipath_snap_cntr(dd, IPATH_CREG_OFFSET(IBStatusChangeCnt));
+ cntrs->IBLinkErrRecoveryCnt =
+ ipath_snap_cntr(dd, IPATH_CREG_OFFSET(IBLinkErrRecoveryCnt));
+ cntrs->IBLinkDownedCnt =
+ ipath_snap_cntr(dd, IPATH_CREG_OFFSET(IBLinkDownedCnt));
+ cntrs->IBSymbolErrCnt =
+ ipath_snap_cntr(dd, IPATH_CREG_OFFSET(IBSymbolErrCnt));
+ cntrs->RxVL15DroppedPktCnt = 0;
+ cntrs->RxOtherLocalPhyErrCnt = 0;
+ cntrs->PcieRetryBufDiagQwordCnt = 0;
+ cntrs->ExcessBufferOvflCnt = dd->ipath_overrun_thresh_errs;
+ cntrs->LocalLinkIntegrityErrCnt = dd->ipath_lli_errs;
+ cntrs->RxVlErrCnt = 0;
+ cntrs->RxDlidFltrCnt = 0;
+}
+
+
+/* no interrupt fallback for these chips */
+static int ipath_pe_nointr_fallback(struct ipath_devdata *dd)
+{
+ return 0;
+}
+
+
/*
- * On platforms using this chip, and not having ordered WC stores, we
- * can get TXE parity errors due to speculative reads to the PIO buffers,
- * and this, due to a chip bug can result in (many) false parity error
- * reports. So it's a debug print on those, and an info print on systems
- * where the speculative reads don't occur.
- * Because we can get lots of false errors, we have no upper limit
- * on recovery attempts on those platforms.
+ * reset the XGXS (between serdes and IBC). Slightly less intrusive
+ * than resetting the IBC or external link state, and useful in some
+ * cases to cause some retraining. To do this right, we reset IBC
+ * as well.
*/
-static int ipath_pe_txe_recover(struct ipath_devdata *dd)
+static void ipath_pe_xgxs_reset(struct ipath_devdata *dd)
{
- if (ipath_unordered_wc())
- ipath_dbg("Recovering from TXE PIO parity error\n");
- else {
- int cnt = ++ipath_stats.sps_txeparity;
- if (cnt >= IPATH_MAX_PARITY_ATTEMPTS) {
- if (cnt == IPATH_MAX_PARITY_ATTEMPTS)
- ipath_dev_err(dd,
- "Too many attempts to recover from "
- "TXE parity, giving up\n");
- return 0;
- }
- dev_info(&dd->pcidev->dev,
- "Recovering from TXE PIO parity error\n");
+ u64 val, prev_val;
+
+ prev_val = ipath_read_kreg64(dd, dd->ipath_kregs->kr_xgxsconfig);
+ val = prev_val | INFINIPATH_XGXS_RESET;
+ prev_val &= ~INFINIPATH_XGXS_RESET; /* be sure */
+ ipath_write_kreg(dd, dd->ipath_kregs->kr_control,
+ dd->ipath_control & ~INFINIPATH_C_LINKENABLE);
+ ipath_write_kreg(dd, dd->ipath_kregs->kr_xgxsconfig, val);
+ ipath_read_kreg32(dd, dd->ipath_kregs->kr_scratch);
+ ipath_write_kreg(dd, dd->ipath_kregs->kr_xgxsconfig, prev_val);
+ ipath_write_kreg(dd, dd->ipath_kregs->kr_control,
+ dd->ipath_control);
+}
+
+
+static int ipath_pe_get_ib_cfg(struct ipath_devdata *dd, int which)
+{
+ int ret;
+
+ switch (which) {
+ case IPATH_IB_CFG_LWID:
+ ret = dd->ipath_link_width_active;
+ break;
+ case IPATH_IB_CFG_SPD:
+ ret = dd->ipath_link_speed_active;
+ break;
+ case IPATH_IB_CFG_LWID_ENB:
+ ret = dd->ipath_link_width_enabled;
+ break;
+ case IPATH_IB_CFG_SPD_ENB:
+ ret = dd->ipath_link_speed_enabled;
+ break;
+ default:
+ ret = -ENOTSUPP;
+ break;
}
- return 1;
+ return ret;
+}
+
+
+/* we assume range checking is already done, if needed */
+static int ipath_pe_set_ib_cfg(struct ipath_devdata *dd, int which, u32 val)
+{
+ int ret = 0;
+
+ if (which == IPATH_IB_CFG_LWID_ENB)
+ dd->ipath_link_width_enabled = val;
+ else if (which == IPATH_IB_CFG_SPD_ENB)
+ dd->ipath_link_speed_enabled = val;
+ else
+ ret = -ENOTSUPP;
+ return ret;
}
+static void ipath_pe_config_jint(struct ipath_devdata *dd, u16 a, u16 b)
+{
+}
+
+
+static int ipath_pe_ib_updown(struct ipath_devdata *dd, int ibup, u64 ibcs)
+{
+ ipath_setup_pe_setextled(dd, ipath_ib_linkstate(dd, ibcs),
+ ipath_ib_linktrstate(dd, ibcs));
+ return 0;
+}
+
+
/**
* ipath_init_iba6120_funcs - set up the chip-specific function pointers
* @dd: the infinipath device
@@ -1407,7 +1666,7 @@ void ipath_init_iba6120_funcs(struct ipath_devdata *dd)
dd->ipath_f_bringup_serdes = ipath_pe_bringup_serdes;
dd->ipath_f_clear_tids = ipath_pe_clear_tids;
/*
- * this may get changed after we read the chip revision,
+ * _f_put_tid may get changed after we read the chip revision,
* but we start with the safe version for all revs
*/
dd->ipath_f_put_tid = ipath_pe_put_tid;
@@ -1415,17 +1674,19 @@ void ipath_init_iba6120_funcs(struct ipath_devdata *dd)
dd->ipath_f_setextled = ipath_setup_pe_setextled;
dd->ipath_f_get_base_info = ipath_pe_get_base_info;
dd->ipath_f_free_irq = ipath_pe_free_irq;
-
- /* initialize chip-specific variables */
dd->ipath_f_tidtemplate = ipath_pe_tidtemplate;
+ dd->ipath_f_intr_fallback = ipath_pe_nointr_fallback;
+ dd->ipath_f_xgxs_reset = ipath_pe_xgxs_reset;
+ dd->ipath_f_get_msgheader = ipath_pe_get_msgheader;
+ dd->ipath_f_config_ports = ipath_pe_config_ports;
+ dd->ipath_f_read_counters = ipath_pe_read_counters;
+ dd->ipath_f_get_ib_cfg = ipath_pe_get_ib_cfg;
+ dd->ipath_f_set_ib_cfg = ipath_pe_set_ib_cfg;
+ dd->ipath_f_config_jint = ipath_pe_config_jint;
+ dd->ipath_f_ib_updown = ipath_pe_ib_updown;
- /*
- * setup the register offsets, since they are different for each
- * chip
- */
- dd->ipath_kregs = &ipath_pe_kregs;
- dd->ipath_cregs = &ipath_pe_cregs;
+ /* initialize chip-specific variables */
ipath_init_pe_variables(dd);
}
diff --git a/drivers/infiniband/hw/ipath/ipath_init_chip.c b/drivers/infiniband/hw/ipath/ipath_init_chip.c
index 9dd0bacf8461..4471674975cd 100644
--- a/drivers/infiniband/hw/ipath/ipath_init_chip.c
+++ b/drivers/infiniband/hw/ipath/ipath_init_chip.c
@@ -91,7 +91,7 @@ static int create_port0_egr(struct ipath_devdata *dd)
struct ipath_skbinfo *skbinfo;
int ret;
- egrcnt = dd->ipath_rcvegrcnt;
+ egrcnt = dd->ipath_p0_rcvegrcnt;
skbinfo = vmalloc(sizeof(*dd->ipath_port0_skbinfo) * egrcnt);
if (skbinfo == NULL) {
@@ -244,8 +244,7 @@ static int init_chip_first(struct ipath_devdata *dd,
* cfgports. We do still check and report a difference, if
* not same (should be impossible).
*/
- dd->ipath_portcnt =
- ipath_read_kreg32(dd, dd->ipath_kregs->kr_portcnt);
+ dd->ipath_f_config_ports(dd, ipath_cfgports);
if (!ipath_cfgports)
dd->ipath_cfgports = dd->ipath_portcnt;
else if (ipath_cfgports <= dd->ipath_portcnt) {
@@ -272,22 +271,7 @@ static int init_chip_first(struct ipath_devdata *dd,
goto done;
}
- dd->ipath_lastegrheads = kzalloc(sizeof(*dd->ipath_lastegrheads)
- * dd->ipath_cfgports,
- GFP_KERNEL);
- dd->ipath_lastrcvhdrqtails =
- kzalloc(sizeof(*dd->ipath_lastrcvhdrqtails)
- * dd->ipath_cfgports, GFP_KERNEL);
-
- if (!dd->ipath_lastegrheads || !dd->ipath_lastrcvhdrqtails) {
- ipath_dev_err(dd, "Unable to allocate head arrays, "
- "failing\n");
- ret = -ENOMEM;
- goto done;
- }
-
pd = create_portdata0(dd);
-
if (!pd) {
ipath_dev_err(dd, "Unable to allocate portdata for port "
"0, failing\n");
@@ -345,10 +329,10 @@ static int init_chip_first(struct ipath_devdata *dd,
dd->ipath_piobcnt2k, dd->ipath_pio2kbase);
spin_lock_init(&dd->ipath_tid_lock);
-
+ spin_lock_init(&dd->ipath_sendctrl_lock);
spin_lock_init(&dd->ipath_gpio_lock);
spin_lock_init(&dd->ipath_eep_st_lock);
- sema_init(&dd->ipath_eep_sem, 1);
+ mutex_init(&dd->ipath_eep_lock);
done:
*pdp = pd;
@@ -372,9 +356,9 @@ static int init_chip_reset(struct ipath_devdata *dd,
*pdp = dd->ipath_pd[0];
/* ensure chip does no sends or receives while we re-initialize */
dd->ipath_control = dd->ipath_sendctrl = dd->ipath_rcvctrl = 0U;
- ipath_write_kreg(dd, dd->ipath_kregs->kr_rcvctrl, 0);
- ipath_write_kreg(dd, dd->ipath_kregs->kr_sendctrl, 0);
- ipath_write_kreg(dd, dd->ipath_kregs->kr_control, 0);
+ ipath_write_kreg(dd, dd->ipath_kregs->kr_rcvctrl, dd->ipath_rcvctrl);
+ ipath_write_kreg(dd, dd->ipath_kregs->kr_sendctrl, dd->ipath_sendctrl);
+ ipath_write_kreg(dd, dd->ipath_kregs->kr_control, dd->ipath_control);
rtmp = ipath_read_kreg32(dd, dd->ipath_kregs->kr_portcnt);
if (dd->ipath_portcnt != rtmp)
@@ -487,6 +471,7 @@ static void enable_chip(struct ipath_devdata *dd,
struct ipath_portdata *pd, int reinit)
{
u32 val;
+ unsigned long flags;
int i;
if (!reinit)
@@ -495,19 +480,21 @@ static void enable_chip(struct ipath_devdata *dd,
ipath_write_kreg(dd, dd->ipath_kregs->kr_rcvctrl,
dd->ipath_rcvctrl);
+ spin_lock_irqsave(&dd->ipath_sendctrl_lock, flags);
/* Enable PIO send, and update of PIOavail regs to memory. */
dd->ipath_sendctrl = INFINIPATH_S_PIOENABLE |
INFINIPATH_S_PIOBUFAVAILUPD;
- ipath_write_kreg(dd, dd->ipath_kregs->kr_sendctrl,
- dd->ipath_sendctrl);
+ ipath_write_kreg(dd, dd->ipath_kregs->kr_sendctrl, dd->ipath_sendctrl);
+ ipath_read_kreg64(dd, dd->ipath_kregs->kr_scratch);
+ spin_unlock_irqrestore(&dd->ipath_sendctrl_lock, flags);
/*
* enable port 0 receive, and receive interrupt. other ports
* done as user opens and inits them.
*/
- dd->ipath_rcvctrl = INFINIPATH_R_TAILUPD |
- (1ULL << INFINIPATH_R_PORTENABLE_SHIFT) |
- (1ULL << INFINIPATH_R_INTRAVAIL_SHIFT);
+ dd->ipath_rcvctrl = (1ULL << dd->ipath_r_tailupd_shift) |
+ (1ULL << dd->ipath_r_portenable_shift) |
+ (1ULL << dd->ipath_r_intravail_shift);
ipath_write_kreg(dd, dd->ipath_kregs->kr_rcvctrl,
dd->ipath_rcvctrl);
@@ -523,12 +510,11 @@ static void enable_chip(struct ipath_devdata *dd,
*/
val = ipath_read_ureg32(dd, ur_rcvegrindextail, 0);
(void)ipath_write_ureg(dd, ur_rcvegrindexhead, val, 0);
- dd->ipath_port0head = ipath_read_ureg32(dd, ur_rcvhdrtail, 0);
/* Initialize so we interrupt on next packet received */
(void)ipath_write_ureg(dd, ur_rcvhdrhead,
dd->ipath_rhdrhead_intr_off |
- dd->ipath_port0head, 0);
+ dd->ipath_pd[0]->port_head, 0);
/*
* by now pioavail updates to memory should have occurred, so
@@ -542,12 +528,8 @@ static void enable_chip(struct ipath_devdata *dd,
/*
* Chip Errata bug 6641; even and odd qwords>3 are swapped.
*/
- if (i > 3) {
- if (i & 1)
- val = dd->ipath_pioavailregs_dma[i - 1];
- else
- val = dd->ipath_pioavailregs_dma[i + 1];
- }
+ if (i > 3 && (dd->ipath_flags & IPATH_SWAP_PIOBUFS))
+ val = dd->ipath_pioavailregs_dma[i ^ 1];
else
val = dd->ipath_pioavailregs_dma[i];
dd->ipath_pioavailshadow[i] = le64_to_cpu(val);
@@ -690,12 +672,13 @@ done:
*/
int ipath_init_chip(struct ipath_devdata *dd, int reinit)
{
- int ret = 0, i;
+ int ret = 0;
u32 val32, kpiobufs;
u32 piobufs, uports;
u64 val;
struct ipath_portdata *pd = NULL; /* keep gcc4 happy */
gfp_t gfp_flags = GFP_USER | __GFP_COMP;
+ unsigned long flags;
ret = init_housekeeping(dd, &pd, reinit);
if (ret)
@@ -746,7 +729,7 @@ int ipath_init_chip(struct ipath_devdata *dd, int reinit)
kpiobufs = ipath_kpiobufs;
if (kpiobufs + (uports * IPATH_MIN_USER_PORT_BUFCNT) > piobufs) {
- i = (int) piobufs -
+ int i = (int) piobufs -
(int) (uports * IPATH_MIN_USER_PORT_BUFCNT);
if (i < 0)
i = 0;
@@ -827,8 +810,12 @@ int ipath_init_chip(struct ipath_devdata *dd, int reinit)
ipath_write_kreg(dd, dd->ipath_kregs->kr_hwerrclear,
~0ULL&~INFINIPATH_HWE_MEMBISTFAILED);
ipath_write_kreg(dd, dd->ipath_kregs->kr_control, 0ULL);
- ipath_write_kreg(dd, dd->ipath_kregs->kr_sendctrl,
- INFINIPATH_S_PIOENABLE);
+
+ spin_lock_irqsave(&dd->ipath_sendctrl_lock, flags);
+ dd->ipath_sendctrl = INFINIPATH_S_PIOENABLE;
+ ipath_write_kreg(dd, dd->ipath_kregs->kr_sendctrl, dd->ipath_sendctrl);
+ ipath_read_kreg64(dd, dd->ipath_kregs->kr_scratch);
+ spin_unlock_irqrestore(&dd->ipath_sendctrl_lock, flags);
/*
* before error clears, since we expect serdes pll errors during
diff --git a/drivers/infiniband/hw/ipath/ipath_intr.c b/drivers/infiniband/hw/ipath/ipath_intr.c
index c61f9da2964a..92e58c921522 100644
--- a/drivers/infiniband/hw/ipath/ipath_intr.c
+++ b/drivers/infiniband/hw/ipath/ipath_intr.c
@@ -683,7 +683,7 @@ static int handle_errors(struct ipath_devdata *dd, ipath_err_t errs)
for (i = 0; i < dd->ipath_cfgports; i++) {
struct ipath_portdata *pd = dd->ipath_pd[i];
if (i == 0) {
- hd = dd->ipath_port0head;
+ hd = pd->port_head;
tl = (u32) le64_to_cpu(
*dd->ipath_hdrqtailptr);
} else if (pd && pd->port_cnt &&
@@ -693,7 +693,7 @@ static int handle_errors(struct ipath_devdata *dd, ipath_err_t errs)
* except kernel
*/
tl = *(u64 *) pd->port_rcvhdrtail_kvaddr;
- if (tl == dd->ipath_lastrcvhdrqtails[i])
+ if (tl == pd->port_lastrcvhdrqtail)
continue;
hd = ipath_read_ureg32(dd, ur_rcvhdrhead,
i);
@@ -703,7 +703,7 @@ static int handle_errors(struct ipath_devdata *dd, ipath_err_t errs)
(!hd && tl == dd->ipath_hdrqlast)) {
if (i == 0)
chkerrpkts = 1;
- dd->ipath_lastrcvhdrqtails[i] = tl;
+ pd->port_lastrcvhdrqtail = tl;
pd->port_hdrqfull++;
/* flush hdrqfull so that poll() sees it */
wmb();
@@ -712,6 +712,8 @@ static int handle_errors(struct ipath_devdata *dd, ipath_err_t errs)
}
}
if (errs & INFINIPATH_E_RRCVEGRFULL) {
+ struct ipath_portdata *pd = dd->ipath_pd[0];
+
/*
* since this is of less importance and not likely to
* happen without also getting hdrfull, only count
@@ -719,7 +721,7 @@ static int handle_errors(struct ipath_devdata *dd, ipath_err_t errs)
* vs user)
*/
ipath_stats.sps_etidfull++;
- if (dd->ipath_port0head !=
+ if (pd->port_head !=
(u32) le64_to_cpu(*dd->ipath_hdrqtailptr))
chkerrpkts = 1;
}
@@ -795,6 +797,7 @@ void ipath_clear_freeze(struct ipath_devdata *dd)
{
int i, im;
__le64 val;
+ unsigned long flags;
/* disable error interrupts, to avoid confusion */
ipath_write_kreg(dd, dd->ipath_kregs->kr_errormask, 0ULL);
@@ -813,11 +816,14 @@ void ipath_clear_freeze(struct ipath_devdata *dd)
dd->ipath_control);
/* ensure pio avail updates continue */
+ spin_lock_irqsave(&dd->ipath_sendctrl_lock, flags);
ipath_write_kreg(dd, dd->ipath_kregs->kr_sendctrl,
dd->ipath_sendctrl & ~INFINIPATH_S_PIOBUFAVAILUPD);
ipath_read_kreg64(dd, dd->ipath_kregs->kr_scratch);
ipath_write_kreg(dd, dd->ipath_kregs->kr_sendctrl,
- dd->ipath_sendctrl);
+ dd->ipath_sendctrl);
+ ipath_read_kreg64(dd, dd->ipath_kregs->kr_scratch);
+ spin_unlock_irqrestore(&dd->ipath_sendctrl_lock, flags);
/*
* We just enabled pioavailupdate, so dma copy is almost certainly
@@ -825,8 +831,8 @@ void ipath_clear_freeze(struct ipath_devdata *dd)
*/
for (i = 0; i < dd->ipath_pioavregs; i++) {
/* deal with 6110 chip bug */
- im = i > 3 ? ((i&1) ? i-1 : i+1) : i;
- val = ipath_read_kreg64(dd, (0x1000/sizeof(u64))+im);
+ im = i > 3 ? i ^ 1 : i;
+ val = ipath_read_kreg64(dd, (0x1000 / sizeof(u64)) + im);
dd->ipath_pioavailregs_dma[i] = dd->ipath_pioavailshadow[i]
= le64_to_cpu(val);
}
@@ -849,7 +855,7 @@ void ipath_clear_freeze(struct ipath_devdata *dd)
/* this is separate to allow for better optimization of ipath_intr() */
-static void ipath_bad_intr(struct ipath_devdata *dd, u32 * unexpectp)
+static noinline void ipath_bad_intr(struct ipath_devdata *dd, u32 *unexpectp)
{
/*
* sometimes happen during driver init and unload, don't want
@@ -877,7 +883,7 @@ static void ipath_bad_intr(struct ipath_devdata *dd, u32 * unexpectp)
dd->ipath_f_free_irq(dd);
}
}
- if (ipath_read_kreg32(dd, dd->ipath_kregs->kr_intmask)) {
+ if (ipath_read_ireg(dd, dd->ipath_kregs->kr_intmask)) {
ipath_dev_err(dd, "%u unexpected interrupts, "
"disabling interrupts completely\n",
*unexpectp);
@@ -892,7 +898,7 @@ static void ipath_bad_intr(struct ipath_devdata *dd, u32 * unexpectp)
"ignoring\n");
}
-static void ipath_bad_regread(struct ipath_devdata *dd)
+static noinline void ipath_bad_regread(struct ipath_devdata *dd)
{
static int allbits;
@@ -920,31 +926,9 @@ static void ipath_bad_regread(struct ipath_devdata *dd)
}
}
-static void handle_port_pioavail(struct ipath_devdata *dd)
-{
- u32 i;
- /*
- * start from port 1, since for now port 0 is never using
- * wait_event for PIO
- */
- for (i = 1; dd->ipath_portpiowait && i < dd->ipath_cfgports; i++) {
- struct ipath_portdata *pd = dd->ipath_pd[i];
-
- if (pd && pd->port_cnt &&
- dd->ipath_portpiowait & (1U << i)) {
- clear_bit(i, &dd->ipath_portpiowait);
- if (test_bit(IPATH_PORT_WAITING_PIO,
- &pd->port_flag)) {
- clear_bit(IPATH_PORT_WAITING_PIO,
- &pd->port_flag);
- wake_up_interruptible(&pd->port_wait);
- }
- }
- }
-}
-
static void handle_layer_pioavail(struct ipath_devdata *dd)
{
+ unsigned long flags;
int ret;
ret = ipath_ib_piobufavail(dd->verbs_dev);
@@ -953,9 +937,12 @@ static void handle_layer_pioavail(struct ipath_devdata *dd)
return;
set:
- set_bit(IPATH_S_PIOINTBUFAVAIL, &dd->ipath_sendctrl);
+ spin_lock_irqsave(&dd->ipath_sendctrl_lock, flags);
+ dd->ipath_sendctrl |= INFINIPATH_S_PIOINTBUFAVAIL;
ipath_write_kreg(dd, dd->ipath_kregs->kr_sendctrl,
dd->ipath_sendctrl);
+ ipath_read_kreg64(dd, dd->ipath_kregs->kr_scratch);
+ spin_unlock_irqrestore(&dd->ipath_sendctrl_lock, flags);
}
/*
@@ -969,7 +956,15 @@ static void handle_urcv(struct ipath_devdata *dd, u32 istat)
int i;
int rcvdint = 0;
- /* test_bit below needs this... */
+ /*
+ * test_and_clear_bit(IPATH_PORT_WAITING_RCV) and
+ * test_and_clear_bit(IPATH_PORT_WAITING_URG) below
+ * would both like timely updates of the bits so that
+ * we don't pass them by unnecessarily. the rmb()
+ * here ensures that we see them promptly -- the
+ * corresponding wmb()'s are in ipath_poll_urgent()
+ * and ipath_poll_next()...
+ */
rmb();
portr = ((istat >> INFINIPATH_I_RCVAVAIL_SHIFT) &
dd->ipath_i_rcvavail_mask)
@@ -980,7 +975,7 @@ static void handle_urcv(struct ipath_devdata *dd, u32 istat)
if (portr & (1 << i) && pd && pd->port_cnt) {
if (test_and_clear_bit(IPATH_PORT_WAITING_RCV,
&pd->port_flag)) {
- clear_bit(i + INFINIPATH_R_INTRAVAIL_SHIFT,
+ clear_bit(i + dd->ipath_r_intravail_shift,
&dd->ipath_rcvctrl);
wake_up_interruptible(&pd->port_wait);
rcvdint = 1;
@@ -1039,7 +1034,7 @@ irqreturn_t ipath_intr(int irq, void *data)
goto bail;
}
- istat = ipath_read_kreg32(dd, dd->ipath_kregs->kr_intstatus);
+ istat = ipath_read_ireg(dd, dd->ipath_kregs->kr_intstatus);
if (unlikely(!istat)) {
ipath_stats.sps_nullintr++;
@@ -1180,7 +1175,7 @@ irqreturn_t ipath_intr(int irq, void *data)
* for receive are at the bottom.
*/
if (chk0rcv) {
- ipath_kreceive(dd);
+ ipath_kreceive(dd->ipath_pd[0]);
istat &= ~port0rbits;
}
@@ -1191,12 +1186,14 @@ irqreturn_t ipath_intr(int irq, void *data)
handle_urcv(dd, istat);
if (istat & INFINIPATH_I_SPIOBUFAVAIL) {
- clear_bit(IPATH_S_PIOINTBUFAVAIL, &dd->ipath_sendctrl);
+ unsigned long flags;
+
+ spin_lock_irqsave(&dd->ipath_sendctrl_lock, flags);
+ dd->ipath_sendctrl &= ~INFINIPATH_S_PIOINTBUFAVAIL;
ipath_write_kreg(dd, dd->ipath_kregs->kr_sendctrl,
dd->ipath_sendctrl);
-
- if (dd->ipath_portpiowait)
- handle_port_pioavail(dd);
+ ipath_read_kreg64(dd, dd->ipath_kregs->kr_scratch);
+ spin_unlock_irqrestore(&dd->ipath_sendctrl_lock, flags);
handle_layer_pioavail(dd);
}
diff --git a/drivers/infiniband/hw/ipath/ipath_kernel.h b/drivers/infiniband/hw/ipath/ipath_kernel.h
index bb1dc075f1d1..4cc0f95ea877 100644
--- a/drivers/infiniband/hw/ipath/ipath_kernel.h
+++ b/drivers/infiniband/hw/ipath/ipath_kernel.h
@@ -41,6 +41,7 @@
#include <linux/interrupt.h>
#include <linux/pci.h>
#include <linux/dma-mapping.h>
+#include <linux/mutex.h>
#include <asm/io.h>
#include <rdma/ib_verbs.h>
@@ -140,6 +141,11 @@ struct ipath_portdata {
u32 port_pionowait;
/* total number of rcvhdrqfull errors */
u32 port_hdrqfull;
+ /*
+ * Used to suppress multiple instances of same
+ * port staying stuck at same point.
+ */
+ u32 port_lastrcvhdrqtail;
/* saved total number of rcvhdrqfull errors for poll edge trigger */
u32 port_hdrqfull_poll;
/* total number of polled urgent packets */
@@ -148,6 +154,7 @@ struct ipath_portdata {
u32 port_urgent_poll;
/* pid of process using this port */
pid_t port_pid;
+ pid_t port_subpid[INFINIPATH_MAX_SUBPORT];
/* same size as task_struct .comm[] */
char port_comm[16];
/* pkeys set by this use of this port */
@@ -166,6 +173,8 @@ struct ipath_portdata {
u32 active_slaves;
/* Type of packets or conditions we want to poll for */
u16 poll_type;
+ /* port rcvhdrq head offset */
+ u32 port_head;
};
struct sk_buff;
@@ -182,6 +191,22 @@ struct ipath_skbinfo {
dma_addr_t phys;
};
+/*
+ * Possible IB config parameters for ipath_f_get/set_ib_cfg()
+ */
+#define IPATH_IB_CFG_LIDLMC 0 /* Get/set LID (LS16b) and Mask (MS16b) */
+#define IPATH_IB_CFG_HRTBT 1 /* Get/set Heartbeat off/enable/auto */
+#define IPATH_IB_HRTBT_ON 3 /* Heartbeat enabled, sent every 100msec */
+#define IPATH_IB_HRTBT_OFF 0 /* Heartbeat off */
+#define IPATH_IB_CFG_LWID_ENB 2 /* Get/set allowed Link-width */
+#define IPATH_IB_CFG_LWID 3 /* Get currently active Link-width */
+#define IPATH_IB_CFG_SPD_ENB 4 /* Get/set allowed Link speeds */
+#define IPATH_IB_CFG_SPD 5 /* Get current Link spd */
+#define IPATH_IB_CFG_RXPOL_ENB 6 /* Get/set Auto-RX-polarity enable */
+#define IPATH_IB_CFG_LREV_ENB 7 /* Get/set Auto-Lane-reversal enable */
+#define IPATH_IB_CFG_LINKLATENCY 8 /* Get Auto-Lane-reversal enable */
+
+
struct ipath_devdata {
struct list_head ipath_list;
@@ -222,6 +247,8 @@ struct ipath_devdata {
struct _ipath_layer ipath_layer;
/* setup intr */
int (*ipath_f_intrsetup)(struct ipath_devdata *);
+ /* fallback to alternate interrupt type if possible */
+ int (*ipath_f_intr_fallback)(struct ipath_devdata *);
/* setup on-chip bus config */
int (*ipath_f_bus)(struct ipath_devdata *, struct pci_dev *);
/* hard reset chip */
@@ -244,6 +271,18 @@ struct ipath_devdata {
int (*ipath_f_get_base_info)(struct ipath_portdata *, void *);
/* free irq */
void (*ipath_f_free_irq)(struct ipath_devdata *);
+ struct ipath_message_header *(*ipath_f_get_msgheader)
+ (struct ipath_devdata *, __le32 *);
+ void (*ipath_f_config_ports)(struct ipath_devdata *, ushort);
+ int (*ipath_f_get_ib_cfg)(struct ipath_devdata *, int);
+ int (*ipath_f_set_ib_cfg)(struct ipath_devdata *, int, u32);
+ void (*ipath_f_config_jint)(struct ipath_devdata *, u16 , u16);
+ void (*ipath_f_read_counters)(struct ipath_devdata *,
+ struct infinipath_counters *);
+ void (*ipath_f_xgxs_reset)(struct ipath_devdata *);
+ /* per chip actions needed for IB Link up/down changes */
+ int (*ipath_f_ib_updown)(struct ipath_devdata *, int, u64);
+
struct ipath_ibdev *verbs_dev;
struct timer_list verbs_timer;
/* total dwords sent (summed from counter) */
@@ -313,22 +352,12 @@ struct ipath_devdata {
* supports, less gives more pio bufs/port, etc.
*/
u32 ipath_cfgports;
- /* port0 rcvhdrq head offset */
- u32 ipath_port0head;
/* count of port 0 hdrqfull errors */
u32 ipath_p0_hdrqfull;
+ /* port 0 number of receive eager buffers */
+ u32 ipath_p0_rcvegrcnt;
/*
- * (*cfgports) used to suppress multiple instances of same
- * port staying stuck at same point
- */
- u32 *ipath_lastrcvhdrqtails;
- /*
- * (*cfgports) used to suppress multiple instances of same
- * port staying stuck at same point
- */
- u32 *ipath_lastegrheads;
- /*
* index of last piobuffer we used. Speeds up searching, by
* starting at this point. Doesn't matter if multiple cpu's use and
* update, last updater is only write that matters. Whenever it
@@ -367,14 +396,15 @@ struct ipath_devdata {
unsigned long ipath_wc_len;
/* ref count for each pkey */
atomic_t ipath_pkeyrefs[4];
- /* shadow copy of all exptids physaddr; used only by funcsim */
- u64 *ipath_tidsimshadow;
/* shadow copy of struct page *'s for exp tid pages */
struct page **ipath_pageshadow;
/* shadow copy of dma handles for exp tid pages */
dma_addr_t *ipath_physshadow;
- /* lock to workaround chip bug 9437 */
+ u64 __iomem *ipath_egrtidbase;
+ /* lock to workaround chip bug 9437 and others */
+ spinlock_t ipath_kernel_tid_lock;
spinlock_t ipath_tid_lock;
+ spinlock_t ipath_sendctrl_lock;
/*
* IPATH_STATUS_*,
@@ -395,6 +425,8 @@ struct ipath_devdata {
void *ipath_dummy_hdrq; /* used after port close */
dma_addr_t ipath_dummy_hdrq_phys;
+ unsigned long ipath_ureg_align; /* user register alignment */
+
/*
* Shadow copies of registers; size indicates read access size.
* Most of them are readonly, but some are write-only register,
@@ -456,8 +488,6 @@ struct ipath_devdata {
unsigned long ipath_rcvctrl;
/* shadow kr_sendctrl */
unsigned long ipath_sendctrl;
- /* ports waiting for PIOavail intr */
- unsigned long ipath_portpiowait;
unsigned long ipath_lastcancel; /* to not count armlaunch after cancel */
/* value we put in kr_rcvhdrcnt */
@@ -550,12 +580,26 @@ struct ipath_devdata {
u8 ipath_minrev;
/* board rev, from ipath_revision */
u8 ipath_boardrev;
+
+ u8 ipath_r_portenable_shift;
+ u8 ipath_r_intravail_shift;
+ u8 ipath_r_tailupd_shift;
+ u8 ipath_r_portcfg_shift;
+
/* unit # of this chip, if present */
int ipath_unit;
/* saved for restore after reset */
u8 ipath_pci_cacheline;
/* LID mask control */
u8 ipath_lmc;
+ /* link width supported */
+ u8 ipath_link_width_supported;
+ /* link speed supported */
+ u8 ipath_link_speed_supported;
+ u8 ipath_link_width_enabled;
+ u8 ipath_link_speed_enabled;
+ u8 ipath_link_width_active;
+ u8 ipath_link_speed_active;
/* Rx Polarity inversion (compensate for ~tx on partner) */
u8 ipath_rx_pol_inv;
@@ -590,6 +634,8 @@ struct ipath_devdata {
*/
u32 ipath_i_rcvavail_mask;
u32 ipath_i_rcvurg_mask;
+ u16 ipath_i_rcvurg_shift;
+ u16 ipath_i_rcvavail_shift;
/*
* Register bits for selecting i2c direction and values, used for
@@ -603,6 +649,29 @@ struct ipath_devdata {
/* lock for doing RMW of shadows/regs for ExtCtrl and GPIO */
spinlock_t ipath_gpio_lock;
+ /*
+ * IB link and linktraining states and masks that vary per chip in
+ * some way. Set at init, to avoid each IB status change interrupt
+ */
+ u8 ibcs_ls_shift;
+ u8 ibcs_lts_mask;
+ u32 ibcs_mask;
+ u32 ib_init;
+ u32 ib_arm;
+ u32 ib_active;
+
+ u16 ipath_rhf_offset; /* offset of RHF within receive header entry */
+
+ /*
+ * shift/mask for linkcmd, linkinitcmd, maxpktlen in ibccontol
+ * reg. Changes for IBA7220
+ */
+ u8 ibcc_lic_mask; /* LinkInitCmd */
+ u8 ibcc_lc_shift; /* LinkCmd */
+ u8 ibcc_mpl_shift; /* Maxpktlen */
+
+ u8 delay_mult;
+
/* used to override LED behavior */
u8 ipath_led_override; /* Substituted for normal value, if non-zero */
u16 ipath_led_override_timeoff; /* delta to next timer event */
@@ -616,7 +685,7 @@ struct ipath_devdata {
/* control access to actual counters, timer */
spinlock_t ipath_eep_st_lock;
/* control high-level access to EEPROM */
- struct semaphore ipath_eep_sem;
+ struct mutex ipath_eep_lock;
/* Below inc'd by ipath_snap_cntrs(), locked by ipath_eep_st_lock */
uint64_t ipath_traffic_wds;
/* active time is kept in seconds, but logged in hours */
@@ -630,6 +699,10 @@ struct ipath_devdata {
* each of the counters to increment.
*/
struct ipath_eep_log_mask ipath_eep_st_masks[IPATH_EEP_LOG_CNT];
+
+ /* interrupt mitigation reload register info */
+ u16 ipath_jint_idle_ticks; /* idle clock ticks */
+ u16 ipath_jint_max_packets; /* max packets across all ports */
};
/* Private data for file operations */
@@ -690,7 +763,7 @@ void ipath_free_pddata(struct ipath_devdata *, struct ipath_portdata *);
int ipath_parse_ushort(const char *str, unsigned short *valp);
-void ipath_kreceive(struct ipath_devdata *);
+void ipath_kreceive(struct ipath_portdata *);
int ipath_setrcvhdrsize(struct ipath_devdata *, unsigned);
int ipath_reset_device(int);
void ipath_get_faststats(unsigned long);
@@ -698,6 +771,8 @@ int ipath_set_linkstate(struct ipath_devdata *, u8);
int ipath_set_mtu(struct ipath_devdata *, u16);
int ipath_set_lid(struct ipath_devdata *, u32, u8);
int ipath_set_rx_pol_inv(struct ipath_devdata *dd, u8 new_pol_inv);
+void ipath_enable_armlaunch(struct ipath_devdata *);
+void ipath_disable_armlaunch(struct ipath_devdata *);
/* for use in system calls, where we want to know device type, etc. */
#define port_fp(fp) ((struct ipath_filedata *)(fp)->private_data)->pd
@@ -744,9 +819,15 @@ int ipath_set_rx_pol_inv(struct ipath_devdata *dd, u8 new_pol_inv);
* are 64bit */
#define IPATH_32BITCOUNTERS 0x20000
/* can miss port0 rx interrupts */
+ /* Interrupt register is 64 bits */
+#define IPATH_INTREG_64 0x40000
#define IPATH_DISABLED 0x80000 /* administratively disabled */
/* Use GPIO interrupts for new counters */
#define IPATH_GPIO_ERRINTRS 0x100000
+#define IPATH_SWAP_PIOBUFS 0x200000
+ /* Suppress heartbeat, even if turning off loopback */
+#define IPATH_NO_HRTBT 0x1000000
+#define IPATH_HAS_MULT_IB_SPEED 0x8000000
/* Bits in GPIO for the added interrupts */
#define IPATH_GPIO_PORT0_BIT 2
@@ -758,8 +839,6 @@ int ipath_set_rx_pol_inv(struct ipath_devdata *dd, u8 new_pol_inv);
/* portdata flag bit offsets */
/* waiting for a packet to arrive */
#define IPATH_PORT_WAITING_RCV 2
- /* waiting for a PIO buffer to be available */
-#define IPATH_PORT_WAITING_PIO 3
/* master has not finished initializing */
#define IPATH_PORT_MASTER_UNINIT 4
/* waiting for an urgent packet to arrive */
@@ -767,8 +846,6 @@ int ipath_set_rx_pol_inv(struct ipath_devdata *dd, u8 new_pol_inv);
/* free up any allocated data at closes */
void ipath_free_data(struct ipath_portdata *dd);
-int ipath_waitfor_mdio_cmdready(struct ipath_devdata *);
-int ipath_waitfor_complete(struct ipath_devdata *, ipath_kreg, u64, u64 *);
u32 __iomem *ipath_getpiobuf(struct ipath_devdata *, u32 *);
void ipath_init_iba6120_funcs(struct ipath_devdata *);
void ipath_init_iba6110_funcs(struct ipath_devdata *);
@@ -792,33 +869,6 @@ void ipath_set_led_override(struct ipath_devdata *dd, unsigned int val);
*/
#define IPATH_DFLT_RCVHDRSIZE 9
-#define IPATH_MDIO_CMD_WRITE 1
-#define IPATH_MDIO_CMD_READ 2
-#define IPATH_MDIO_CLD_DIV 25 /* to get 2.5 Mhz mdio clock */
-#define IPATH_MDIO_CMDVALID 0x40000000 /* bit 30 */
-#define IPATH_MDIO_DATAVALID 0x80000000 /* bit 31 */
-#define IPATH_MDIO_CTRL_STD 0x0
-
-static inline u64 ipath_mdio_req(int cmd, int dev, int reg, int data)
-{
- return (((u64) IPATH_MDIO_CLD_DIV) << 32) |
- (cmd << 26) |
- (dev << 21) |
- (reg << 16) |
- (data & 0xFFFF);
-}
-
- /* signal and fifo status, in bank 31 */
-#define IPATH_MDIO_CTRL_XGXS_REG_8 0x8
- /* controls loopback, redundancy */
-#define IPATH_MDIO_CTRL_8355_REG_1 0x10
- /* premph, encdec, etc. */
-#define IPATH_MDIO_CTRL_8355_REG_2 0x11
- /* Kchars, etc. */
-#define IPATH_MDIO_CTRL_8355_REG_6 0x15
-#define IPATH_MDIO_CTRL_8355_REG_9 0x18
-#define IPATH_MDIO_CTRL_8355_REG_10 0x1D
-
int ipath_get_user_pages(unsigned long, size_t, struct page **);
void ipath_release_user_pages(struct page **, size_t);
void ipath_release_user_pages_on_close(struct page **, size_t);
@@ -863,7 +913,7 @@ static inline u32 ipath_read_ureg32(const struct ipath_devdata *dd,
return readl(regno + (u64 __iomem *)
(dd->ipath_uregbase +
(char __iomem *)dd->ipath_kregbase +
- dd->ipath_palign * port));
+ dd->ipath_ureg_align * port));
}
/**
@@ -880,7 +930,7 @@ static inline void ipath_write_ureg(const struct ipath_devdata *dd,
{
u64 __iomem *ubase = (u64 __iomem *)
(dd->ipath_uregbase + (char __iomem *) dd->ipath_kregbase +
- dd->ipath_palign * port);
+ dd->ipath_ureg_align * port);
if (dd->ipath_kregbase)
writeq(value, &ubase[regno]);
}
@@ -930,6 +980,53 @@ static inline u32 ipath_read_creg32(const struct ipath_devdata *dd,
(char __iomem *)dd->ipath_kregbase));
}
+static inline void ipath_write_creg(const struct ipath_devdata *dd,
+ ipath_creg regno, u64 value)
+{
+ if (dd->ipath_kregbase)
+ writeq(value, regno + (u64 __iomem *)
+ (dd->ipath_cregbase +
+ (char __iomem *)dd->ipath_kregbase));
+}
+
+static inline void ipath_clear_rcvhdrtail(const struct ipath_portdata *pd)
+{
+ *((u64 *) pd->port_rcvhdrtail_kvaddr) = 0ULL;
+}
+
+static inline u32 ipath_get_rcvhdrtail(const struct ipath_portdata *pd)
+{
+ return (u32) le64_to_cpu(*((volatile __le64 *)
+ pd->port_rcvhdrtail_kvaddr));
+}
+
+static inline u64 ipath_read_ireg(const struct ipath_devdata *dd, ipath_kreg r)
+{
+ return (dd->ipath_flags & IPATH_INTREG_64) ?
+ ipath_read_kreg64(dd, r) : ipath_read_kreg32(dd, r);
+}
+
+/*
+ * from contents of IBCStatus (or a saved copy), return linkstate
+ * Report ACTIVE_DEFER as ACTIVE, because we treat them the same
+ * everywhere, anyway (and should be, for almost all purposes).
+ */
+static inline u32 ipath_ib_linkstate(struct ipath_devdata *dd, u64 ibcs)
+{
+ u32 state = (u32)(ibcs >> dd->ibcs_ls_shift) &
+ INFINIPATH_IBCS_LINKSTATE_MASK;
+ if (state == INFINIPATH_IBCS_L_STATE_ACT_DEFER)
+ state = INFINIPATH_IBCS_L_STATE_ACTIVE;
+ return state;
+}
+
+/* from contents of IBCStatus (or a saved copy), return linktrainingstate */
+static inline u32 ipath_ib_linktrstate(struct ipath_devdata *dd, u64 ibcs)
+{
+ return (u32)(ibcs >> INFINIPATH_IBCS_LINKTRAININGSTATE_SHIFT) &
+ dd->ibcs_lts_mask;
+}
+
/*
* sysfs interface.
*/
diff --git a/drivers/infiniband/hw/ipath/ipath_keys.c b/drivers/infiniband/hw/ipath/ipath_keys.c
index 85a4aefc6c03..8f32b17a5eed 100644
--- a/drivers/infiniband/hw/ipath/ipath_keys.c
+++ b/drivers/infiniband/hw/ipath/ipath_keys.c
@@ -128,9 +128,8 @@ int ipath_lkey_ok(struct ipath_qp *qp, struct ipath_sge *isge,
int ret;
/*
- * We use LKEY == zero to mean a physical kmalloc() address.
- * This is a bit of a hack since we rely on dma_map_single()
- * being reversible by calling bus_to_virt().
+ * We use LKEY == zero for kernel virtual addresses
+ * (see ipath_get_dma_mr and ipath_dma.c).
*/
if (sge->lkey == 0) {
struct ipath_pd *pd = to_ipd(qp->ibqp.pd);
diff --git a/drivers/infiniband/hw/ipath/ipath_mad.c b/drivers/infiniband/hw/ipath/ipath_mad.c
index 3d1432d1e3f4..d98d5f103700 100644
--- a/drivers/infiniband/hw/ipath/ipath_mad.c
+++ b/drivers/infiniband/hw/ipath/ipath_mad.c
@@ -934,6 +934,7 @@ static int recv_pma_get_portsamplescontrol(struct ib_perf *pmp,
struct ib_pma_portsamplescontrol *p =
(struct ib_pma_portsamplescontrol *)pmp->data;
struct ipath_ibdev *dev = to_idev(ibdev);
+ struct ipath_cregs const *crp = dev->dd->ipath_cregs;
unsigned long flags;
u8 port_select = p->port_select;
@@ -955,7 +956,10 @@ static int recv_pma_get_portsamplescontrol(struct ib_perf *pmp,
p->counter_width = 4; /* 32 bit counters */
p->counter_mask0_9 = COUNTER_MASK0_9;
spin_lock_irqsave(&dev->pending_lock, flags);
- p->sample_status = dev->pma_sample_status;
+ if (crp->cr_psstat)
+ p->sample_status = ipath_read_creg32(dev->dd, crp->cr_psstat);
+ else
+ p->sample_status = dev->pma_sample_status;
p->sample_start = cpu_to_be32(dev->pma_sample_start);
p->sample_interval = cpu_to_be32(dev->pma_sample_interval);
p->tag = cpu_to_be16(dev->pma_tag);
@@ -975,8 +979,9 @@ static int recv_pma_set_portsamplescontrol(struct ib_perf *pmp,
struct ib_pma_portsamplescontrol *p =
(struct ib_pma_portsamplescontrol *)pmp->data;
struct ipath_ibdev *dev = to_idev(ibdev);
+ struct ipath_cregs const *crp = dev->dd->ipath_cregs;
unsigned long flags;
- u32 start;
+ u8 status;
int ret;
if (pmp->attr_mod != 0 ||
@@ -986,59 +991,67 @@ static int recv_pma_set_portsamplescontrol(struct ib_perf *pmp,
goto bail;
}
- start = be32_to_cpu(p->sample_start);
- if (start != 0) {
- spin_lock_irqsave(&dev->pending_lock, flags);
- if (dev->pma_sample_status == IB_PMA_SAMPLE_STATUS_DONE) {
- dev->pma_sample_status =
- IB_PMA_SAMPLE_STATUS_STARTED;
- dev->pma_sample_start = start;
- dev->pma_sample_interval =
- be32_to_cpu(p->sample_interval);
- dev->pma_tag = be16_to_cpu(p->tag);
- if (p->counter_select[0])
- dev->pma_counter_select[0] =
- p->counter_select[0];
- if (p->counter_select[1])
- dev->pma_counter_select[1] =
- p->counter_select[1];
- if (p->counter_select[2])
- dev->pma_counter_select[2] =
- p->counter_select[2];
- if (p->counter_select[3])
- dev->pma_counter_select[3] =
- p->counter_select[3];
- if (p->counter_select[4])
- dev->pma_counter_select[4] =
- p->counter_select[4];
- }
- spin_unlock_irqrestore(&dev->pending_lock, flags);
+ spin_lock_irqsave(&dev->pending_lock, flags);
+ if (crp->cr_psstat)
+ status = ipath_read_creg32(dev->dd, crp->cr_psstat);
+ else
+ status = dev->pma_sample_status;
+ if (status == IB_PMA_SAMPLE_STATUS_DONE) {
+ dev->pma_sample_start = be32_to_cpu(p->sample_start);
+ dev->pma_sample_interval = be32_to_cpu(p->sample_interval);
+ dev->pma_tag = be16_to_cpu(p->tag);
+ dev->pma_counter_select[0] = p->counter_select[0];
+ dev->pma_counter_select[1] = p->counter_select[1];
+ dev->pma_counter_select[2] = p->counter_select[2];
+ dev->pma_counter_select[3] = p->counter_select[3];
+ dev->pma_counter_select[4] = p->counter_select[4];
+ if (crp->cr_psstat) {
+ ipath_write_creg(dev->dd, crp->cr_psinterval,
+ dev->pma_sample_interval);
+ ipath_write_creg(dev->dd, crp->cr_psstart,
+ dev->pma_sample_start);
+ } else
+ dev->pma_sample_status = IB_PMA_SAMPLE_STATUS_STARTED;
}
+ spin_unlock_irqrestore(&dev->pending_lock, flags);
+
ret = recv_pma_get_portsamplescontrol(pmp, ibdev, port);
bail:
return ret;
}
-static u64 get_counter(struct ipath_ibdev *dev, __be16 sel)
+static u64 get_counter(struct ipath_ibdev *dev,
+ struct ipath_cregs const *crp,
+ __be16 sel)
{
u64 ret;
switch (sel) {
case IB_PMA_PORT_XMIT_DATA:
- ret = dev->ipath_sword;
+ ret = (crp->cr_psxmitdatacount) ?
+ ipath_read_creg32(dev->dd, crp->cr_psxmitdatacount) :
+ dev->ipath_sword;
break;
case IB_PMA_PORT_RCV_DATA:
- ret = dev->ipath_rword;
+ ret = (crp->cr_psrcvdatacount) ?
+ ipath_read_creg32(dev->dd, crp->cr_psrcvdatacount) :
+ dev->ipath_rword;
break;
case IB_PMA_PORT_XMIT_PKTS:
- ret = dev->ipath_spkts;
+ ret = (crp->cr_psxmitpktscount) ?
+ ipath_read_creg32(dev->dd, crp->cr_psxmitpktscount) :
+ dev->ipath_spkts;
break;
case IB_PMA_PORT_RCV_PKTS:
- ret = dev->ipath_rpkts;
+ ret = (crp->cr_psrcvpktscount) ?
+ ipath_read_creg32(dev->dd, crp->cr_psrcvpktscount) :
+ dev->ipath_rpkts;
break;
case IB_PMA_PORT_XMIT_WAIT:
- ret = dev->ipath_xmit_wait;
+ ret = (crp->cr_psxmitwaitcount) ?
+ ipath_read_creg32(dev->dd, crp->cr_psxmitwaitcount) :
+ dev->ipath_xmit_wait;
break;
default:
ret = 0;
@@ -1053,14 +1066,21 @@ static int recv_pma_get_portsamplesresult(struct ib_perf *pmp,
struct ib_pma_portsamplesresult *p =
(struct ib_pma_portsamplesresult *)pmp->data;
struct ipath_ibdev *dev = to_idev(ibdev);
+ struct ipath_cregs const *crp = dev->dd->ipath_cregs;
+ u8 status;
int i;
memset(pmp->data, 0, sizeof(pmp->data));
p->tag = cpu_to_be16(dev->pma_tag);
- p->sample_status = cpu_to_be16(dev->pma_sample_status);
+ if (crp->cr_psstat)
+ status = ipath_read_creg32(dev->dd, crp->cr_psstat);
+ else
+ status = dev->pma_sample_status;
+ p->sample_status = cpu_to_be16(status);
for (i = 0; i < ARRAY_SIZE(dev->pma_counter_select); i++)
- p->counter[i] = cpu_to_be32(
- get_counter(dev, dev->pma_counter_select[i]));
+ p->counter[i] = (status != IB_PMA_SAMPLE_STATUS_DONE) ? 0 :
+ cpu_to_be32(
+ get_counter(dev, crp, dev->pma_counter_select[i]));
return reply((struct ib_smp *) pmp);
}
@@ -1071,16 +1091,23 @@ static int recv_pma_get_portsamplesresult_ext(struct ib_perf *pmp,
struct ib_pma_portsamplesresult_ext *p =
(struct ib_pma_portsamplesresult_ext *)pmp->data;
struct ipath_ibdev *dev = to_idev(ibdev);
+ struct ipath_cregs const *crp = dev->dd->ipath_cregs;
+ u8 status;
int i;
memset(pmp->data, 0, sizeof(pmp->data));
p->tag = cpu_to_be16(dev->pma_tag);
- p->sample_status = cpu_to_be16(dev->pma_sample_status);
+ if (crp->cr_psstat)
+ status = ipath_read_creg32(dev->dd, crp->cr_psstat);
+ else
+ status = dev->pma_sample_status;
+ p->sample_status = cpu_to_be16(status);
/* 64 bits */
p->extended_width = __constant_cpu_to_be32(0x80000000);
for (i = 0; i < ARRAY_SIZE(dev->pma_counter_select); i++)
- p->counter[i] = cpu_to_be64(
- get_counter(dev, dev->pma_counter_select[i]));
+ p->counter[i] = (status != IB_PMA_SAMPLE_STATUS_DONE) ? 0 :
+ cpu_to_be64(
+ get_counter(dev, crp, dev->pma_counter_select[i]));
return reply((struct ib_smp *) pmp);
}
@@ -1113,6 +1140,8 @@ static int recv_pma_get_portcounters(struct ib_perf *pmp,
dev->z_local_link_integrity_errors;
cntrs.excessive_buffer_overrun_errors -=
dev->z_excessive_buffer_overrun_errors;
+ cntrs.vl15_dropped -= dev->z_vl15_dropped;
+ cntrs.vl15_dropped += dev->n_vl15_dropped;
memset(pmp->data, 0, sizeof(pmp->data));
@@ -1156,10 +1185,10 @@ static int recv_pma_get_portcounters(struct ib_perf *pmp,
cntrs.excessive_buffer_overrun_errors = 0xFUL;
p->lli_ebor_errors = (cntrs.local_link_integrity_errors << 4) |
cntrs.excessive_buffer_overrun_errors;
- if (dev->n_vl15_dropped > 0xFFFFUL)
+ if (cntrs.vl15_dropped > 0xFFFFUL)
p->vl15_dropped = __constant_cpu_to_be16(0xFFFF);
else
- p->vl15_dropped = cpu_to_be16((u16)dev->n_vl15_dropped);
+ p->vl15_dropped = cpu_to_be16((u16)cntrs.vl15_dropped);
if (cntrs.port_xmit_data > 0xFFFFFFFFUL)
p->port_xmit_data = __constant_cpu_to_be32(0xFFFFFFFF);
else
@@ -1262,8 +1291,10 @@ static int recv_pma_set_portcounters(struct ib_perf *pmp,
dev->z_excessive_buffer_overrun_errors =
cntrs.excessive_buffer_overrun_errors;
- if (p->counter_select & IB_PMA_SEL_PORT_VL15_DROPPED)
+ if (p->counter_select & IB_PMA_SEL_PORT_VL15_DROPPED) {
dev->n_vl15_dropped = 0;
+ dev->z_vl15_dropped = cntrs.vl15_dropped;
+ }
if (p->counter_select & IB_PMA_SEL_PORT_XMIT_DATA)
dev->z_port_xmit_data = cntrs.port_xmit_data;
@@ -1434,7 +1465,7 @@ static int process_subn(struct ib_device *ibdev, int mad_flags,
* before checking for other consumers.
* Just tell the caller to process it normally.
*/
- ret = IB_MAD_RESULT_FAILURE;
+ ret = IB_MAD_RESULT_SUCCESS;
goto bail;
default:
smp->status |= IB_SMP_UNSUP_METHOD;
@@ -1516,7 +1547,7 @@ static int process_perf(struct ib_device *ibdev, u8 port_num,
* before checking for other consumers.
* Just tell the caller to process it normally.
*/
- ret = IB_MAD_RESULT_FAILURE;
+ ret = IB_MAD_RESULT_SUCCESS;
goto bail;
default:
pmp->status |= IB_SMP_UNSUP_METHOD;
diff --git a/drivers/infiniband/hw/ipath/ipath_qp.c b/drivers/infiniband/hw/ipath/ipath_qp.c
index b997ff88401b..80dc623cee40 100644
--- a/drivers/infiniband/hw/ipath/ipath_qp.c
+++ b/drivers/infiniband/hw/ipath/ipath_qp.c
@@ -387,8 +387,8 @@ int ipath_error_qp(struct ipath_qp *qp, enum ib_wc_status err)
struct ib_wc wc;
int ret = 0;
- ipath_dbg("QP%d/%d in error state\n",
- qp->ibqp.qp_num, qp->remote_qpn);
+ ipath_dbg("QP%d/%d in error state (%d)\n",
+ qp->ibqp.qp_num, qp->remote_qpn, err);
spin_lock(&dev->pending_lock);
/* XXX What if its already removed by the timeout code? */
@@ -855,8 +855,6 @@ struct ib_qp *ipath_create_qp(struct ib_pd *ibpd,
* See ipath_mmap() for details.
*/
if (udata && udata->outlen >= sizeof(__u64)) {
- int err;
-
if (!qp->r_rq.wq) {
__u64 offset = 0;
diff --git a/drivers/infiniband/hw/ipath/ipath_rc.c b/drivers/infiniband/hw/ipath/ipath_rc.c
index 120a61b03bc4..459e46e2c016 100644
--- a/drivers/infiniband/hw/ipath/ipath_rc.c
+++ b/drivers/infiniband/hw/ipath/ipath_rc.c
@@ -647,6 +647,7 @@ static void send_rc_ack(struct ipath_qp *qp)
queue_ack:
spin_lock_irqsave(&qp->s_lock, flags);
+ dev->n_rc_qacks++;
qp->s_flags |= IPATH_S_ACK_PENDING;
qp->s_nak_state = qp->r_nak_state;
qp->s_ack_psn = qp->r_ack_psn;
@@ -798,11 +799,13 @@ bail:
static inline void update_last_psn(struct ipath_qp *qp, u32 psn)
{
- if (qp->s_wait_credit) {
- qp->s_wait_credit = 0;
- tasklet_hi_schedule(&qp->s_task);
+ if (qp->s_last_psn != psn) {
+ qp->s_last_psn = psn;
+ if (qp->s_wait_credit) {
+ qp->s_wait_credit = 0;
+ tasklet_hi_schedule(&qp->s_task);
+ }
}
- qp->s_last_psn = psn;
}
/**
@@ -1653,13 +1656,6 @@ void ipath_rc_rcv(struct ipath_ibdev *dev, struct ipath_ib_header *hdr,
case OP(SEND_FIRST):
if (!ipath_get_rwqe(qp, 0)) {
rnr_nak:
- /*
- * A RNR NAK will ACK earlier sends and RDMA writes.
- * Don't queue the NAK if a RDMA read or atomic
- * is pending though.
- */
- if (qp->r_nak_state)
- goto done;
qp->r_nak_state = IB_RNR_NAK | qp->r_min_rnr_timer;
qp->r_ack_psn = qp->r_psn;
goto send_ack;
diff --git a/drivers/infiniband/hw/ipath/ipath_registers.h b/drivers/infiniband/hw/ipath/ipath_registers.h
index 708eba3165d7..6d2a17f9c1da 100644
--- a/drivers/infiniband/hw/ipath/ipath_registers.h
+++ b/drivers/infiniband/hw/ipath/ipath_registers.h
@@ -82,8 +82,7 @@
/* kr_rcvctrl bits */
#define INFINIPATH_R_PORTENABLE_SHIFT 0
-#define INFINIPATH_R_INTRAVAIL_SHIFT 16
-#define INFINIPATH_R_TAILUPD 0x80000000
+#define INFINIPATH_R_QPMAP_ENABLE (1ULL << 38)
/* kr_intstatus, kr_intclear, kr_intmask bits */
#define INFINIPATH_I_RCVURG_SHIFT 0
@@ -272,20 +271,6 @@
#define INFINIPATH_EXTC_LEDGBLOK_ON 0x00000002ULL
#define INFINIPATH_EXTC_LEDGBLERR_OFF 0x00000001ULL
-/* kr_mdio bits */
-#define INFINIPATH_MDIO_CLKDIV_MASK 0x7FULL
-#define INFINIPATH_MDIO_CLKDIV_SHIFT 32
-#define INFINIPATH_MDIO_COMMAND_MASK 0x7ULL
-#define INFINIPATH_MDIO_COMMAND_SHIFT 26
-#define INFINIPATH_MDIO_DEVADDR_MASK 0x1FULL
-#define INFINIPATH_MDIO_DEVADDR_SHIFT 21
-#define INFINIPATH_MDIO_REGADDR_MASK 0x1FULL
-#define INFINIPATH_MDIO_REGADDR_SHIFT 16
-#define INFINIPATH_MDIO_DATA_MASK 0xFFFFULL
-#define INFINIPATH_MDIO_DATA_SHIFT 0
-#define INFINIPATH_MDIO_CMDVALID 0x0000000040000000ULL
-#define INFINIPATH_MDIO_RDDATAVALID 0x0000000080000000ULL
-
/* kr_partitionkey bits */
#define INFINIPATH_PKEY_SIZE 16
#define INFINIPATH_PKEY_MASK 0xFFFF
@@ -303,8 +288,6 @@
/* kr_xgxsconfig bits */
#define INFINIPATH_XGXS_RESET 0x7ULL
-#define INFINIPATH_XGXS_MDIOADDR_MASK 0xfULL
-#define INFINIPATH_XGXS_MDIOADDR_SHIFT 4
#define INFINIPATH_XGXS_RX_POL_SHIFT 19
#define INFINIPATH_XGXS_RX_POL_MASK 0xfULL
@@ -470,6 +453,20 @@ struct ipath_cregs {
ipath_creg cr_unsupvlcnt;
ipath_creg cr_wordrcvcnt;
ipath_creg cr_wordsendcnt;
+ ipath_creg cr_vl15droppedpktcnt;
+ ipath_creg cr_rxotherlocalphyerrcnt;
+ ipath_creg cr_excessbufferovflcnt;
+ ipath_creg cr_locallinkintegrityerrcnt;
+ ipath_creg cr_rxvlerrcnt;
+ ipath_creg cr_rxdlidfltrcnt;
+ ipath_creg cr_psstat;
+ ipath_creg cr_psstart;
+ ipath_creg cr_psinterval;
+ ipath_creg cr_psrcvdatacount;
+ ipath_creg cr_psrcvpktscount;
+ ipath_creg cr_psxmitdatacount;
+ ipath_creg cr_psxmitpktscount;
+ ipath_creg cr_psxmitwaitcount;
};
#endif /* _IPATH_REGISTERS_H */
diff --git a/drivers/infiniband/hw/ipath/ipath_ruc.c b/drivers/infiniband/hw/ipath/ipath_ruc.c
index 54c61a972de2..a59bdbd0ed87 100644
--- a/drivers/infiniband/hw/ipath/ipath_ruc.c
+++ b/drivers/infiniband/hw/ipath/ipath_ruc.c
@@ -98,11 +98,15 @@ void ipath_insert_rnr_queue(struct ipath_qp *qp)
while (qp->s_rnr_timeout >= nqp->s_rnr_timeout) {
qp->s_rnr_timeout -= nqp->s_rnr_timeout;
l = l->next;
- if (l->next == &dev->rnrwait)
+ if (l->next == &dev->rnrwait) {
+ nqp = NULL;
break;
+ }
nqp = list_entry(l->next, struct ipath_qp,
timerwait);
}
+ if (nqp)
+ nqp->s_rnr_timeout -= qp->s_rnr_timeout;
list_add(&qp->timerwait, l);
}
spin_unlock_irqrestore(&dev->pending_lock, flags);
@@ -479,9 +483,14 @@ done:
static void want_buffer(struct ipath_devdata *dd)
{
- set_bit(IPATH_S_PIOINTBUFAVAIL, &dd->ipath_sendctrl);
+ unsigned long flags;
+
+ spin_lock_irqsave(&dd->ipath_sendctrl_lock, flags);
+ dd->ipath_sendctrl |= INFINIPATH_S_PIOINTBUFAVAIL;
ipath_write_kreg(dd, dd->ipath_kregs->kr_sendctrl,
dd->ipath_sendctrl);
+ ipath_read_kreg64(dd, dd->ipath_kregs->kr_scratch);
+ spin_unlock_irqrestore(&dd->ipath_sendctrl_lock, flags);
}
/**
diff --git a/drivers/infiniband/hw/ipath/ipath_srq.c b/drivers/infiniband/hw/ipath/ipath_srq.c
index 2fef36f4b675..f772102e4713 100644
--- a/drivers/infiniband/hw/ipath/ipath_srq.c
+++ b/drivers/infiniband/hw/ipath/ipath_srq.c
@@ -94,8 +94,8 @@ bail:
/**
* ipath_create_srq - create a shared receive queue
* @ibpd: the protection domain of the SRQ to create
- * @attr: the attributes of the SRQ
- * @udata: not used by the InfiniPath verbs driver
+ * @srq_init_attr: the attributes of the SRQ
+ * @udata: data from libipathverbs when creating a user SRQ
*/
struct ib_srq *ipath_create_srq(struct ib_pd *ibpd,
struct ib_srq_init_attr *srq_init_attr,
diff --git a/drivers/infiniband/hw/ipath/ipath_stats.c b/drivers/infiniband/hw/ipath/ipath_stats.c
index f0271415cd5b..d2725cd11bdc 100644
--- a/drivers/infiniband/hw/ipath/ipath_stats.c
+++ b/drivers/infiniband/hw/ipath/ipath_stats.c
@@ -133,15 +133,16 @@ bail:
static void ipath_qcheck(struct ipath_devdata *dd)
{
static u64 last_tot_hdrqfull;
+ struct ipath_portdata *pd = dd->ipath_pd[0];
size_t blen = 0;
char buf[128];
*buf = 0;
- if (dd->ipath_pd[0]->port_hdrqfull != dd->ipath_p0_hdrqfull) {
+ if (pd->port_hdrqfull != dd->ipath_p0_hdrqfull) {
blen = snprintf(buf, sizeof buf, "port 0 hdrqfull %u",
- dd->ipath_pd[0]->port_hdrqfull -
+ pd->port_hdrqfull -
dd->ipath_p0_hdrqfull);
- dd->ipath_p0_hdrqfull = dd->ipath_pd[0]->port_hdrqfull;
+ dd->ipath_p0_hdrqfull = pd->port_hdrqfull;
}
if (ipath_stats.sps_etidfull != dd->ipath_last_tidfull) {
blen += snprintf(buf + blen, sizeof buf - blen,
@@ -173,7 +174,7 @@ static void ipath_qcheck(struct ipath_devdata *dd)
if (blen)
ipath_dbg("%s\n", buf);
- if (dd->ipath_port0head != (u32)
+ if (pd->port_head != (u32)
le64_to_cpu(*dd->ipath_hdrqtailptr)) {
if (dd->ipath_lastport0rcv_cnt ==
ipath_stats.sps_port0pkts) {
@@ -181,7 +182,7 @@ static void ipath_qcheck(struct ipath_devdata *dd)
"port0 hd=%llx tl=%x; port0pkts %llx\n",
(unsigned long long)
le64_to_cpu(*dd->ipath_hdrqtailptr),
- dd->ipath_port0head,
+ pd->port_head,
(unsigned long long)
ipath_stats.sps_port0pkts);
}
@@ -237,7 +238,7 @@ static void ipath_chk_errormask(struct ipath_devdata *dd)
void ipath_get_faststats(unsigned long opaque)
{
struct ipath_devdata *dd = (struct ipath_devdata *) opaque;
- u32 val;
+ int i;
static unsigned cnt;
unsigned long flags;
u64 traffic_wds;
@@ -321,12 +322,11 @@ void ipath_get_faststats(unsigned long opaque)
/* limit qfull messages to ~one per minute per port */
if ((++cnt & 0x10)) {
- for (val = dd->ipath_cfgports - 1; ((int)val) >= 0;
- val--) {
- if (dd->ipath_lastegrheads[val] != -1)
- dd->ipath_lastegrheads[val] = -1;
- if (dd->ipath_lastrcvhdrqtails[val] != -1)
- dd->ipath_lastrcvhdrqtails[val] = -1;
+ for (i = (int) dd->ipath_cfgports; --i >= 0; ) {
+ struct ipath_portdata *pd = dd->ipath_pd[i];
+
+ if (pd && pd->port_lastrcvhdrqtail != -1)
+ pd->port_lastrcvhdrqtail = -1;
}
}
diff --git a/drivers/infiniband/hw/ipath/ipath_sysfs.c b/drivers/infiniband/hw/ipath/ipath_sysfs.c
index aa27ca9f03b1..56dfc8a2344c 100644
--- a/drivers/infiniband/hw/ipath/ipath_sysfs.c
+++ b/drivers/infiniband/hw/ipath/ipath_sysfs.c
@@ -363,6 +363,60 @@ static ssize_t show_unit(struct device *dev,
return scnprintf(buf, PAGE_SIZE, "%u\n", dd->ipath_unit);
}
+static ssize_t show_jint_max_packets(struct device *dev,
+ struct device_attribute *attr,
+ char *buf)
+{
+ struct ipath_devdata *dd = dev_get_drvdata(dev);
+
+ return scnprintf(buf, PAGE_SIZE, "%hu\n", dd->ipath_jint_max_packets);
+}
+
+static ssize_t store_jint_max_packets(struct device *dev,
+ struct device_attribute *attr,
+ const char *buf,
+ size_t count)
+{
+ struct ipath_devdata *dd = dev_get_drvdata(dev);
+ u16 v = 0;
+ int ret;
+
+ ret = ipath_parse_ushort(buf, &v);
+ if (ret < 0)
+ ipath_dev_err(dd, "invalid jint_max_packets.\n");
+ else
+ dd->ipath_f_config_jint(dd, dd->ipath_jint_idle_ticks, v);
+
+ return ret;
+}
+
+static ssize_t show_jint_idle_ticks(struct device *dev,
+ struct device_attribute *attr,
+ char *buf)
+{
+ struct ipath_devdata *dd = dev_get_drvdata(dev);
+
+ return scnprintf(buf, PAGE_SIZE, "%hu\n", dd->ipath_jint_idle_ticks);
+}
+
+static ssize_t store_jint_idle_ticks(struct device *dev,
+ struct device_attribute *attr,
+ const char *buf,
+ size_t count)
+{
+ struct ipath_devdata *dd = dev_get_drvdata(dev);
+ u16 v = 0;
+ int ret;
+
+ ret = ipath_parse_ushort(buf, &v);
+ if (ret < 0)
+ ipath_dev_err(dd, "invalid jint_idle_ticks.\n");
+ else
+ dd->ipath_f_config_jint(dd, v, dd->ipath_jint_max_packets);
+
+ return ret;
+}
+
#define DEVICE_COUNTER(name, attr) \
static ssize_t show_counter_##name(struct device *dev, \
struct device_attribute *attr, \
@@ -670,6 +724,257 @@ static ssize_t show_logged_errs(struct device *dev,
return count;
}
+/*
+ * New sysfs entries to control various IB config. These all turn into
+ * accesses via ipath_f_get/set_ib_cfg.
+ *
+ * Get/Set heartbeat enable. Or of 1=enabled, 2=auto
+ */
+static ssize_t show_hrtbt_enb(struct device *dev,
+ struct device_attribute *attr,
+ char *buf)
+{
+ struct ipath_devdata *dd = dev_get_drvdata(dev);
+ int ret;
+
+ ret = dd->ipath_f_get_ib_cfg(dd, IPATH_IB_CFG_HRTBT);
+ if (ret >= 0)
+ ret = scnprintf(buf, PAGE_SIZE, "%d\n", ret);
+ return ret;
+}
+
+static ssize_t store_hrtbt_enb(struct device *dev,
+ struct device_attribute *attr,
+ const char *buf,
+ size_t count)
+{
+ struct ipath_devdata *dd = dev_get_drvdata(dev);
+ int ret, r;
+ u16 val;
+
+ ret = ipath_parse_ushort(buf, &val);
+ if (ret >= 0 && val > 3)
+ ret = -EINVAL;
+ if (ret < 0) {
+ ipath_dev_err(dd, "attempt to set invalid Heartbeat enable\n");
+ goto bail;
+ }
+
+ /*
+ * Set the "intentional" heartbeat enable per either of
+ * "Enable" and "Auto", as these are normally set together.
+ * This bit is consulted when leaving loopback mode,
+ * because entering loopback mode overrides it and automatically
+ * disables heartbeat.
+ */
+ r = dd->ipath_f_set_ib_cfg(dd, IPATH_IB_CFG_HRTBT, val);
+ if (r < 0)
+ ret = r;
+ else if (val == IPATH_IB_HRTBT_OFF)
+ dd->ipath_flags |= IPATH_NO_HRTBT;
+ else
+ dd->ipath_flags &= ~IPATH_NO_HRTBT;
+
+bail:
+ return ret;
+}
+
+/*
+ * Get/Set Link-widths enabled. Or of 1=1x, 2=4x (this is human/IB centric,
+ * _not_ the particular encoding of any given chip)
+ */
+static ssize_t show_lwid_enb(struct device *dev,
+ struct device_attribute *attr,
+ char *buf)
+{
+ struct ipath_devdata *dd = dev_get_drvdata(dev);
+ int ret;
+
+ ret = dd->ipath_f_get_ib_cfg(dd, IPATH_IB_CFG_LWID_ENB);
+ if (ret >= 0)
+ ret = scnprintf(buf, PAGE_SIZE, "%d\n", ret);
+ return ret;
+}
+
+static ssize_t store_lwid_enb(struct device *dev,
+ struct device_attribute *attr,
+ const char *buf,
+ size_t count)
+{
+ struct ipath_devdata *dd = dev_get_drvdata(dev);
+ int ret, r;
+ u16 val;
+
+ ret = ipath_parse_ushort(buf, &val);
+ if (ret >= 0 && (val == 0 || val > 3))
+ ret = -EINVAL;
+ if (ret < 0) {
+ ipath_dev_err(dd,
+ "attempt to set invalid Link Width (enable)\n");
+ goto bail;
+ }
+
+ r = dd->ipath_f_set_ib_cfg(dd, IPATH_IB_CFG_LWID_ENB, val);
+ if (r < 0)
+ ret = r;
+
+bail:
+ return ret;
+}
+
+/* Get current link width */
+static ssize_t show_lwid(struct device *dev,
+ struct device_attribute *attr,
+ char *buf)
+
+{
+ struct ipath_devdata *dd = dev_get_drvdata(dev);
+ int ret;
+
+ ret = dd->ipath_f_get_ib_cfg(dd, IPATH_IB_CFG_LWID);
+ if (ret >= 0)
+ ret = scnprintf(buf, PAGE_SIZE, "%d\n", ret);
+ return ret;
+}
+
+/*
+ * Get/Set Link-speeds enabled. Or of 1=SDR 2=DDR.
+ */
+static ssize_t show_spd_enb(struct device *dev,
+ struct device_attribute *attr,
+ char *buf)
+{
+ struct ipath_devdata *dd = dev_get_drvdata(dev);
+ int ret;
+
+ ret = dd->ipath_f_get_ib_cfg(dd, IPATH_IB_CFG_SPD_ENB);
+ if (ret >= 0)
+ ret = scnprintf(buf, PAGE_SIZE, "%d\n", ret);
+ return ret;
+}
+
+static ssize_t store_spd_enb(struct device *dev,
+ struct device_attribute *attr,
+ const char *buf,
+ size_t count)
+{
+ struct ipath_devdata *dd = dev_get_drvdata(dev);
+ int ret, r;
+ u16 val;
+
+ ret = ipath_parse_ushort(buf, &val);
+ if (ret >= 0 && (val == 0 || val > (IPATH_IB_SDR | IPATH_IB_DDR)))
+ ret = -EINVAL;
+ if (ret < 0) {
+ ipath_dev_err(dd,
+ "attempt to set invalid Link Speed (enable)\n");
+ goto bail;
+ }
+
+ r = dd->ipath_f_set_ib_cfg(dd, IPATH_IB_CFG_SPD_ENB, val);
+ if (r < 0)
+ ret = r;
+
+bail:
+ return ret;
+}
+
+/* Get current link speed */
+static ssize_t show_spd(struct device *dev,
+ struct device_attribute *attr,
+ char *buf)
+{
+ struct ipath_devdata *dd = dev_get_drvdata(dev);
+ int ret;
+
+ ret = dd->ipath_f_get_ib_cfg(dd, IPATH_IB_CFG_SPD);
+ if (ret >= 0)
+ ret = scnprintf(buf, PAGE_SIZE, "%d\n", ret);
+ return ret;
+}
+
+/*
+ * Get/Set RX polarity-invert enable. 0=no, 1=yes.
+ */
+static ssize_t show_rx_polinv_enb(struct device *dev,
+ struct device_attribute *attr,
+ char *buf)
+{
+ struct ipath_devdata *dd = dev_get_drvdata(dev);
+ int ret;
+
+ ret = dd->ipath_f_get_ib_cfg(dd, IPATH_IB_CFG_RXPOL_ENB);
+ if (ret >= 0)
+ ret = scnprintf(buf, PAGE_SIZE, "%d\n", ret);
+ return ret;
+}
+
+static ssize_t store_rx_polinv_enb(struct device *dev,
+ struct device_attribute *attr,
+ const char *buf,
+ size_t count)
+{
+ struct ipath_devdata *dd = dev_get_drvdata(dev);
+ int ret, r;
+ u16 val;
+
+ ret = ipath_parse_ushort(buf, &val);
+ if (ret < 0 || val > 1)
+ goto invalid;
+
+ r = dd->ipath_f_set_ib_cfg(dd, IPATH_IB_CFG_RXPOL_ENB, val);
+ if (r < 0) {
+ ret = r;
+ goto bail;
+ }
+
+ goto bail;
+invalid:
+ ipath_dev_err(dd, "attempt to set invalid Rx Polarity (enable)\n");
+bail:
+ return ret;
+}
+/*
+ * Get/Set RX lane-reversal enable. 0=no, 1=yes.
+ */
+static ssize_t show_lanerev_enb(struct device *dev,
+ struct device_attribute *attr,
+ char *buf)
+{
+ struct ipath_devdata *dd = dev_get_drvdata(dev);
+ int ret;
+
+ ret = dd->ipath_f_get_ib_cfg(dd, IPATH_IB_CFG_LREV_ENB);
+ if (ret >= 0)
+ ret = scnprintf(buf, PAGE_SIZE, "%d\n", ret);
+ return ret;
+}
+
+static ssize_t store_lanerev_enb(struct device *dev,
+ struct device_attribute *attr,
+ const char *buf,
+ size_t count)
+{
+ struct ipath_devdata *dd = dev_get_drvdata(dev);
+ int ret, r;
+ u16 val;
+
+ ret = ipath_parse_ushort(buf, &val);
+ if (ret >= 0 && val > 1) {
+ ret = -EINVAL;
+ ipath_dev_err(dd,
+ "attempt to set invalid Lane reversal (enable)\n");
+ goto bail;
+ }
+
+ r = dd->ipath_f_set_ib_cfg(dd, IPATH_IB_CFG_LREV_ENB, val);
+ if (r < 0)
+ ret = r;
+
+bail:
+ return ret;
+}
+
static DRIVER_ATTR(num_units, S_IRUGO, show_num_units, NULL);
static DRIVER_ATTR(version, S_IRUGO, show_version, NULL);
@@ -706,6 +1011,10 @@ static DEVICE_ATTR(unit, S_IRUGO, show_unit, NULL);
static DEVICE_ATTR(rx_pol_inv, S_IWUSR, NULL, store_rx_pol_inv);
static DEVICE_ATTR(led_override, S_IWUSR, NULL, store_led_override);
static DEVICE_ATTR(logged_errors, S_IRUGO, show_logged_errs, NULL);
+static DEVICE_ATTR(jint_max_packets, S_IWUSR | S_IRUGO,
+ show_jint_max_packets, store_jint_max_packets);
+static DEVICE_ATTR(jint_idle_ticks, S_IWUSR | S_IRUGO,
+ show_jint_idle_ticks, store_jint_idle_ticks);
static struct attribute *dev_attributes[] = {
&dev_attr_guid.attr,
@@ -732,6 +1041,34 @@ static struct attribute_group dev_attr_group = {
.attrs = dev_attributes
};
+static DEVICE_ATTR(hrtbt_enable, S_IWUSR | S_IRUGO, show_hrtbt_enb,
+ store_hrtbt_enb);
+static DEVICE_ATTR(link_width_enable, S_IWUSR | S_IRUGO, show_lwid_enb,
+ store_lwid_enb);
+static DEVICE_ATTR(link_width, S_IRUGO, show_lwid, NULL);
+static DEVICE_ATTR(link_speed_enable, S_IWUSR | S_IRUGO, show_spd_enb,
+ store_spd_enb);
+static DEVICE_ATTR(link_speed, S_IRUGO, show_spd, NULL);
+static DEVICE_ATTR(rx_pol_inv_enable, S_IWUSR | S_IRUGO, show_rx_polinv_enb,
+ store_rx_polinv_enb);
+static DEVICE_ATTR(rx_lane_rev_enable, S_IWUSR | S_IRUGO, show_lanerev_enb,
+ store_lanerev_enb);
+
+static struct attribute *dev_ibcfg_attributes[] = {
+ &dev_attr_hrtbt_enable.attr,
+ &dev_attr_link_width_enable.attr,
+ &dev_attr_link_width.attr,
+ &dev_attr_link_speed_enable.attr,
+ &dev_attr_link_speed.attr,
+ &dev_attr_rx_pol_inv_enable.attr,
+ &dev_attr_rx_lane_rev_enable.attr,
+ NULL
+};
+
+static struct attribute_group dev_ibcfg_attr_group = {
+ .attrs = dev_ibcfg_attributes
+};
+
/**
* ipath_expose_reset - create a device reset file
* @dev: the device structure
@@ -770,6 +1107,26 @@ int ipath_device_create_group(struct device *dev, struct ipath_devdata *dd)
if (ret)
goto bail_attrs;
+ if (dd->ipath_flags & IPATH_HAS_MULT_IB_SPEED) {
+ ret = device_create_file(dev, &dev_attr_jint_idle_ticks);
+ if (ret)
+ goto bail_counter;
+ ret = device_create_file(dev, &dev_attr_jint_max_packets);
+ if (ret)
+ goto bail_idle;
+
+ ret = sysfs_create_group(&dev->kobj, &dev_ibcfg_attr_group);
+ if (ret)
+ goto bail_max;
+ }
+
+ return 0;
+
+bail_max:
+ device_remove_file(dev, &dev_attr_jint_max_packets);
+bail_idle:
+ device_remove_file(dev, &dev_attr_jint_idle_ticks);
+bail_counter:
sysfs_remove_group(&dev->kobj, &dev_counter_attr_group);
bail_attrs:
sysfs_remove_group(&dev->kobj, &dev_attr_group);
@@ -780,6 +1137,13 @@ bail:
void ipath_device_remove_group(struct device *dev, struct ipath_devdata *dd)
{
sysfs_remove_group(&dev->kobj, &dev_counter_attr_group);
+
+ if (dd->ipath_flags & IPATH_HAS_MULT_IB_SPEED) {
+ sysfs_remove_group(&dev->kobj, &dev_ibcfg_attr_group);
+ device_remove_file(dev, &dev_attr_jint_idle_ticks);
+ device_remove_file(dev, &dev_attr_jint_max_packets);
+ }
+
sysfs_remove_group(&dev->kobj, &dev_attr_group);
device_remove_file(dev, &dev_attr_reset);
diff --git a/drivers/infiniband/hw/ipath/ipath_ud.c b/drivers/infiniband/hw/ipath/ipath_ud.c
index b3df6f3c705e..de67eed08ed0 100644
--- a/drivers/infiniband/hw/ipath/ipath_ud.c
+++ b/drivers/infiniband/hw/ipath/ipath_ud.c
@@ -301,8 +301,6 @@ int ipath_make_ud_req(struct ipath_qp *qp)
/* header size in 32-bit words LRH+BTH+DETH = (8+12+8)/4. */
qp->s_hdrwords = 7;
- if (wqe->wr.opcode == IB_WR_SEND_WITH_IMM)
- qp->s_hdrwords++;
qp->s_cur_size = wqe->length;
qp->s_cur_sge = &qp->s_sge;
qp->s_wqe = wqe;
@@ -327,6 +325,7 @@ int ipath_make_ud_req(struct ipath_qp *qp)
ohdr = &qp->s_hdr.u.oth;
}
if (wqe->wr.opcode == IB_WR_SEND_WITH_IMM) {
+ qp->s_hdrwords++;
ohdr->u.ud.imm_data = wqe->wr.imm_data;
bth0 = IB_OPCODE_UD_SEND_ONLY_WITH_IMMEDIATE << 24;
} else
diff --git a/drivers/infiniband/hw/ipath/ipath_verbs.c b/drivers/infiniband/hw/ipath/ipath_verbs.c
index c4c998446c7b..32d8f882e56c 100644
--- a/drivers/infiniband/hw/ipath/ipath_verbs.c
+++ b/drivers/infiniband/hw/ipath/ipath_verbs.c
@@ -943,7 +943,7 @@ bail:
* ipath_verbs_send - send a packet
* @qp: the QP to send on
* @hdr: the packet header
- * @hdrwords: the number of words in the header
+ * @hdrwords: the number of 32-bit words in the header
* @ss: the SGE to send
* @len: the length of the packet in bytes
*/
@@ -955,7 +955,10 @@ int ipath_verbs_send(struct ipath_qp *qp, struct ipath_ib_header *hdr,
int ret;
u32 dwords = (len + 3) >> 2;
- /* +1 is for the qword padding of pbc */
+ /*
+ * Calculate the send buffer trigger address.
+ * The +1 counts for the pbc control dword following the pbc length.
+ */
plen = hdrwords + dwords + 1;
/* Drop non-VL15 packets if we are not in the active state */
@@ -1130,20 +1133,34 @@ static int ipath_query_device(struct ib_device *ibdev,
return 0;
}
-const u8 ipath_cvt_physportstate[16] = {
- [INFINIPATH_IBCS_LT_STATE_DISABLED] = 3,
- [INFINIPATH_IBCS_LT_STATE_LINKUP] = 5,
- [INFINIPATH_IBCS_LT_STATE_POLLACTIVE] = 2,
- [INFINIPATH_IBCS_LT_STATE_POLLQUIET] = 2,
- [INFINIPATH_IBCS_LT_STATE_SLEEPDELAY] = 1,
- [INFINIPATH_IBCS_LT_STATE_SLEEPQUIET] = 1,
- [INFINIPATH_IBCS_LT_STATE_CFGDEBOUNCE] = 4,
- [INFINIPATH_IBCS_LT_STATE_CFGRCVFCFG] = 4,
- [INFINIPATH_IBCS_LT_STATE_CFGWAITRMT] = 4,
- [INFINIPATH_IBCS_LT_STATE_CFGIDLE] = 4,
- [INFINIPATH_IBCS_LT_STATE_RECOVERRETRAIN] = 6,
- [INFINIPATH_IBCS_LT_STATE_RECOVERWAITRMT] = 6,
- [INFINIPATH_IBCS_LT_STATE_RECOVERIDLE] = 6,
+const u8 ipath_cvt_physportstate[32] = {
+ [INFINIPATH_IBCS_LT_STATE_DISABLED] = IB_PHYSPORTSTATE_DISABLED,
+ [INFINIPATH_IBCS_LT_STATE_LINKUP] = IB_PHYSPORTSTATE_LINKUP,
+ [INFINIPATH_IBCS_LT_STATE_POLLACTIVE] = IB_PHYSPORTSTATE_POLL,
+ [INFINIPATH_IBCS_LT_STATE_POLLQUIET] = IB_PHYSPORTSTATE_POLL,
+ [INFINIPATH_IBCS_LT_STATE_SLEEPDELAY] = IB_PHYSPORTSTATE_SLEEP,
+ [INFINIPATH_IBCS_LT_STATE_SLEEPQUIET] = IB_PHYSPORTSTATE_SLEEP,
+ [INFINIPATH_IBCS_LT_STATE_CFGDEBOUNCE] =
+ IB_PHYSPORTSTATE_CFG_TRAIN,
+ [INFINIPATH_IBCS_LT_STATE_CFGRCVFCFG] =
+ IB_PHYSPORTSTATE_CFG_TRAIN,
+ [INFINIPATH_IBCS_LT_STATE_CFGWAITRMT] =
+ IB_PHYSPORTSTATE_CFG_TRAIN,
+ [INFINIPATH_IBCS_LT_STATE_CFGIDLE] = IB_PHYSPORTSTATE_CFG_TRAIN,
+ [INFINIPATH_IBCS_LT_STATE_RECOVERRETRAIN] =
+ IB_PHYSPORTSTATE_LINK_ERR_RECOVER,
+ [INFINIPATH_IBCS_LT_STATE_RECOVERWAITRMT] =
+ IB_PHYSPORTSTATE_LINK_ERR_RECOVER,
+ [INFINIPATH_IBCS_LT_STATE_RECOVERIDLE] =
+ IB_PHYSPORTSTATE_LINK_ERR_RECOVER,
+ [0x10] = IB_PHYSPORTSTATE_CFG_TRAIN,
+ [0x11] = IB_PHYSPORTSTATE_CFG_TRAIN,
+ [0x12] = IB_PHYSPORTSTATE_CFG_TRAIN,
+ [0x13] = IB_PHYSPORTSTATE_CFG_TRAIN,
+ [0x14] = IB_PHYSPORTSTATE_CFG_TRAIN,
+ [0x15] = IB_PHYSPORTSTATE_CFG_TRAIN,
+ [0x16] = IB_PHYSPORTSTATE_CFG_TRAIN,
+ [0x17] = IB_PHYSPORTSTATE_CFG_TRAIN
};
u32 ipath_get_cr_errpkey(struct ipath_devdata *dd)
@@ -1168,8 +1185,9 @@ static int ipath_query_port(struct ib_device *ibdev,
ibcstat = dd->ipath_lastibcstat;
props->state = ((ibcstat >> 4) & 0x3) + 1;
/* See phys_state_show() */
- props->phys_state = ipath_cvt_physportstate[
- dd->ipath_lastibcstat & 0xf];
+ props->phys_state = /* MEA: assumes shift == 0 */
+ ipath_cvt_physportstate[dd->ipath_lastibcstat &
+ dd->ibcs_lts_mask];
props->port_cap_flags = dev->port_cap_flags;
props->gid_tbl_len = 1;
props->max_msg_sz = 0x80000000;
@@ -1641,6 +1659,7 @@ int ipath_register_ib_device(struct ipath_devdata *dd)
cntrs.local_link_integrity_errors;
idev->z_excessive_buffer_overrun_errors =
cntrs.excessive_buffer_overrun_errors;
+ idev->z_vl15_dropped = cntrs.vl15_dropped;
/*
* The system image GUID is supposed to be the same for all
diff --git a/drivers/infiniband/hw/ipath/ipath_verbs.h b/drivers/infiniband/hw/ipath/ipath_verbs.h
index 6ccb54f104a3..3d59736b49b2 100644
--- a/drivers/infiniband/hw/ipath/ipath_verbs.h
+++ b/drivers/infiniband/hw/ipath/ipath_verbs.h
@@ -554,6 +554,7 @@ struct ipath_ibdev {
u32 z_pkey_violations; /* starting count for PMA */
u32 z_local_link_integrity_errors; /* starting count for PMA */
u32 z_excessive_buffer_overrun_errors; /* starting count for PMA */
+ u32 z_vl15_dropped; /* starting count for PMA */
u32 n_rc_resends;
u32 n_rc_acks;
u32 n_rc_qacks;
@@ -598,6 +599,7 @@ struct ipath_verbs_counters {
u64 port_rcv_packets;
u32 local_link_integrity_errors;
u32 excessive_buffer_overrun_errors;
+ u32 vl15_dropped;
};
static inline struct ipath_mr *to_imr(struct ib_mr *ibmr)
@@ -830,7 +832,17 @@ unsigned ipath_get_pkey(struct ipath_devdata *, unsigned);
extern const enum ib_wc_opcode ib_ipath_wc_opcode[];
+/*
+ * Below converts HCA-specific LinkTrainingState to IB PhysPortState
+ * values.
+ */
extern const u8 ipath_cvt_physportstate[];
+#define IB_PHYSPORTSTATE_SLEEP 1
+#define IB_PHYSPORTSTATE_POLL 2
+#define IB_PHYSPORTSTATE_DISABLED 3
+#define IB_PHYSPORTSTATE_CFG_TRAIN 4
+#define IB_PHYSPORTSTATE_LINKUP 5
+#define IB_PHYSPORTSTATE_LINK_ERR_RECOVER 6
extern const int ib_ipath_state_ops[];
diff --git a/drivers/infiniband/hw/mlx4/cq.c b/drivers/infiniband/hw/mlx4/cq.c
index 9d32c49cc651..7950aa6e8184 100644
--- a/drivers/infiniband/hw/mlx4/cq.c
+++ b/drivers/infiniband/hw/mlx4/cq.c
@@ -313,6 +313,7 @@ static int mlx4_ib_poll_one(struct mlx4_ib_cq *cq,
struct mlx4_ib_srq *srq;
int is_send;
int is_error;
+ u32 g_mlpath_rqpn;
u16 wqe_ctr;
cqe = next_cqe_sw(cq);
@@ -426,10 +427,10 @@ static int mlx4_ib_poll_one(struct mlx4_ib_cq *cq,
wc->slid = be16_to_cpu(cqe->rlid);
wc->sl = cqe->sl >> 4;
- wc->src_qp = be32_to_cpu(cqe->g_mlpath_rqpn) & 0xffffff;
- wc->dlid_path_bits = (be32_to_cpu(cqe->g_mlpath_rqpn) >> 24) & 0x7f;
- wc->wc_flags |= be32_to_cpu(cqe->g_mlpath_rqpn) & 0x80000000 ?
- IB_WC_GRH : 0;
+ g_mlpath_rqpn = be32_to_cpu(cqe->g_mlpath_rqpn);
+ wc->src_qp = g_mlpath_rqpn & 0xffffff;
+ wc->dlid_path_bits = (g_mlpath_rqpn >> 24) & 0x7f;
+ wc->wc_flags |= g_mlpath_rqpn & 0x80000000 ? IB_WC_GRH : 0;
wc->pkey_index = be32_to_cpu(cqe->immed_rss_invalid) & 0x7f;
}
diff --git a/drivers/infiniband/hw/mthca/mthca_dev.h b/drivers/infiniband/hw/mthca/mthca_dev.h
index 15aa32eb78b6..7bbdd1f4e6c7 100644
--- a/drivers/infiniband/hw/mthca/mthca_dev.h
+++ b/drivers/infiniband/hw/mthca/mthca_dev.h
@@ -60,13 +60,12 @@
enum {
MTHCA_FLAG_DDR_HIDDEN = 1 << 1,
MTHCA_FLAG_SRQ = 1 << 2,
- MTHCA_FLAG_MSI = 1 << 3,
- MTHCA_FLAG_MSI_X = 1 << 4,
- MTHCA_FLAG_NO_LAM = 1 << 5,
- MTHCA_FLAG_FMR = 1 << 6,
- MTHCA_FLAG_MEMFREE = 1 << 7,
- MTHCA_FLAG_PCIE = 1 << 8,
- MTHCA_FLAG_SINAI_OPT = 1 << 9
+ MTHCA_FLAG_MSI_X = 1 << 3,
+ MTHCA_FLAG_NO_LAM = 1 << 4,
+ MTHCA_FLAG_FMR = 1 << 5,
+ MTHCA_FLAG_MEMFREE = 1 << 6,
+ MTHCA_FLAG_PCIE = 1 << 7,
+ MTHCA_FLAG_SINAI_OPT = 1 << 8
};
enum {
diff --git a/drivers/infiniband/hw/mthca/mthca_eq.c b/drivers/infiniband/hw/mthca/mthca_eq.c
index b29de51b7f35..b60eb5df96e8 100644
--- a/drivers/infiniband/hw/mthca/mthca_eq.c
+++ b/drivers/infiniband/hw/mthca/mthca_eq.c
@@ -827,8 +827,7 @@ int mthca_init_eq_table(struct mthca_dev *dev)
if (err)
goto err_out_free;
- if (dev->mthca_flags & MTHCA_FLAG_MSI ||
- dev->mthca_flags & MTHCA_FLAG_MSI_X) {
+ if (dev->mthca_flags & MTHCA_FLAG_MSI_X) {
dev->eq_table.clr_mask = 0;
} else {
dev->eq_table.clr_mask =
@@ -839,8 +838,7 @@ int mthca_init_eq_table(struct mthca_dev *dev)
dev->eq_table.arm_mask = 0;
- intr = (dev->mthca_flags & MTHCA_FLAG_MSI) ?
- 128 : dev->eq_table.inta_pin;
+ intr = dev->eq_table.inta_pin;
err = mthca_create_eq(dev, dev->limits.num_cqs + MTHCA_NUM_SPARE_EQE,
(dev->mthca_flags & MTHCA_FLAG_MSI_X) ? 128 : intr,
diff --git a/drivers/infiniband/hw/mthca/mthca_main.c b/drivers/infiniband/hw/mthca/mthca_main.c
index 60de6f93869e..5cf8250d4e16 100644
--- a/drivers/infiniband/hw/mthca/mthca_main.c
+++ b/drivers/infiniband/hw/mthca/mthca_main.c
@@ -65,14 +65,9 @@ static int msi_x = 1;
module_param(msi_x, int, 0444);
MODULE_PARM_DESC(msi_x, "attempt to use MSI-X if nonzero");
-static int msi = 0;
-module_param(msi, int, 0444);
-MODULE_PARM_DESC(msi, "attempt to use MSI if nonzero (deprecated, use MSI-X instead)");
-
#else /* CONFIG_PCI_MSI */
#define msi_x (0)
-#define msi (0)
#endif /* CONFIG_PCI_MSI */
@@ -816,13 +811,11 @@ static int mthca_setup_hca(struct mthca_dev *dev)
err = mthca_NOP(dev, &status);
if (err || status) {
- if (dev->mthca_flags & (MTHCA_FLAG_MSI | MTHCA_FLAG_MSI_X)) {
+ if (dev->mthca_flags & MTHCA_FLAG_MSI_X) {
mthca_warn(dev, "NOP command failed to generate interrupt "
"(IRQ %d).\n",
- dev->mthca_flags & MTHCA_FLAG_MSI_X ?
- dev->eq_table.eq[MTHCA_EQ_CMD].msi_x_vector :
- dev->pdev->irq);
- mthca_warn(dev, "Trying again with MSI/MSI-X disabled.\n");
+ dev->eq_table.eq[MTHCA_EQ_CMD].msi_x_vector);
+ mthca_warn(dev, "Trying again with MSI-X disabled.\n");
} else {
mthca_err(dev, "NOP command failed to generate interrupt "
"(IRQ %d), aborting.\n",
@@ -1005,7 +998,7 @@ static struct {
.flags = 0 },
[ARBEL_COMPAT] = { .latest_fw = MTHCA_FW_VER(4, 8, 200),
.flags = MTHCA_FLAG_PCIE },
- [ARBEL_NATIVE] = { .latest_fw = MTHCA_FW_VER(5, 2, 0),
+ [ARBEL_NATIVE] = { .latest_fw = MTHCA_FW_VER(5, 3, 0),
.flags = MTHCA_FLAG_MEMFREE |
MTHCA_FLAG_PCIE },
[SINAI] = { .latest_fw = MTHCA_FW_VER(1, 2, 0),
@@ -1128,29 +1121,12 @@ static int __mthca_init_one(struct pci_dev *pdev, int hca_type)
if (msi_x && !mthca_enable_msi_x(mdev))
mdev->mthca_flags |= MTHCA_FLAG_MSI_X;
- else if (msi) {
- static int warned;
-
- if (!warned) {
- printk(KERN_WARNING PFX "WARNING: MSI support will be "
- "removed from the ib_mthca driver in January 2008.\n");
- printk(KERN_WARNING " If you are using MSI and cannot "
- "switch to MSI-X, please tell "
- "<general@lists.openfabrics.org>.\n");
- ++warned;
- }
-
- if (!pci_enable_msi(pdev))
- mdev->mthca_flags |= MTHCA_FLAG_MSI;
- }
err = mthca_setup_hca(mdev);
- if (err == -EBUSY && (mdev->mthca_flags & (MTHCA_FLAG_MSI | MTHCA_FLAG_MSI_X))) {
+ if (err == -EBUSY && (mdev->mthca_flags & MTHCA_FLAG_MSI_X)) {
if (mdev->mthca_flags & MTHCA_FLAG_MSI_X)
pci_disable_msix(pdev);
- if (mdev->mthca_flags & MTHCA_FLAG_MSI)
- pci_disable_msi(pdev);
- mdev->mthca_flags &= ~(MTHCA_FLAG_MSI_X | MTHCA_FLAG_MSI);
+ mdev->mthca_flags &= ~MTHCA_FLAG_MSI_X;
err = mthca_setup_hca(mdev);
}
@@ -1192,8 +1168,6 @@ err_cleanup:
err_close:
if (mdev->mthca_flags & MTHCA_FLAG_MSI_X)
pci_disable_msix(pdev);
- if (mdev->mthca_flags & MTHCA_FLAG_MSI)
- pci_disable_msi(pdev);
mthca_close_hca(mdev);
@@ -1246,8 +1220,6 @@ static void __mthca_remove_one(struct pci_dev *pdev)
if (mdev->mthca_flags & MTHCA_FLAG_MSI_X)
pci_disable_msix(pdev);
- if (mdev->mthca_flags & MTHCA_FLAG_MSI)
- pci_disable_msi(pdev);
ib_dealloc_device(&mdev->ib_dev);
mthca_release_regions(pdev, mdev->mthca_flags &
diff --git a/drivers/infiniband/ulp/ipoib/ipoib.h b/drivers/infiniband/ulp/ipoib/ipoib.h
index eb7edab0e836..fe250c60607d 100644
--- a/drivers/infiniband/ulp/ipoib/ipoib.h
+++ b/drivers/infiniband/ulp/ipoib/ipoib.h
@@ -56,42 +56,43 @@
/* constants */
enum {
- IPOIB_PACKET_SIZE = 2048,
- IPOIB_BUF_SIZE = IPOIB_PACKET_SIZE + IB_GRH_BYTES,
+ IPOIB_PACKET_SIZE = 2048,
+ IPOIB_BUF_SIZE = IPOIB_PACKET_SIZE + IB_GRH_BYTES,
- IPOIB_ENCAP_LEN = 4,
+ IPOIB_ENCAP_LEN = 4,
- IPOIB_CM_MTU = 0x10000 - 0x10, /* padding to align header to 16 */
- IPOIB_CM_BUF_SIZE = IPOIB_CM_MTU + IPOIB_ENCAP_LEN,
- IPOIB_CM_HEAD_SIZE = IPOIB_CM_BUF_SIZE % PAGE_SIZE,
- IPOIB_CM_RX_SG = ALIGN(IPOIB_CM_BUF_SIZE, PAGE_SIZE) / PAGE_SIZE,
- IPOIB_RX_RING_SIZE = 128,
- IPOIB_TX_RING_SIZE = 64,
+ IPOIB_CM_MTU = 0x10000 - 0x10, /* padding to align header to 16 */
+ IPOIB_CM_BUF_SIZE = IPOIB_CM_MTU + IPOIB_ENCAP_LEN,
+ IPOIB_CM_HEAD_SIZE = IPOIB_CM_BUF_SIZE % PAGE_SIZE,
+ IPOIB_CM_RX_SG = ALIGN(IPOIB_CM_BUF_SIZE, PAGE_SIZE) / PAGE_SIZE,
+ IPOIB_RX_RING_SIZE = 128,
+ IPOIB_TX_RING_SIZE = 64,
IPOIB_MAX_QUEUE_SIZE = 8192,
IPOIB_MIN_QUEUE_SIZE = 2,
+ IPOIB_CM_MAX_CONN_QP = 4096,
- IPOIB_NUM_WC = 4,
+ IPOIB_NUM_WC = 4,
IPOIB_MAX_PATH_REC_QUEUE = 3,
- IPOIB_MAX_MCAST_QUEUE = 3,
-
- IPOIB_FLAG_OPER_UP = 0,
- IPOIB_FLAG_INITIALIZED = 1,
- IPOIB_FLAG_ADMIN_UP = 2,
- IPOIB_PKEY_ASSIGNED = 3,
- IPOIB_PKEY_STOP = 4,
- IPOIB_FLAG_SUBINTERFACE = 5,
- IPOIB_MCAST_RUN = 6,
- IPOIB_STOP_REAPER = 7,
- IPOIB_MCAST_STARTED = 8,
- IPOIB_FLAG_ADMIN_CM = 9,
+ IPOIB_MAX_MCAST_QUEUE = 3,
+
+ IPOIB_FLAG_OPER_UP = 0,
+ IPOIB_FLAG_INITIALIZED = 1,
+ IPOIB_FLAG_ADMIN_UP = 2,
+ IPOIB_PKEY_ASSIGNED = 3,
+ IPOIB_PKEY_STOP = 4,
+ IPOIB_FLAG_SUBINTERFACE = 5,
+ IPOIB_MCAST_RUN = 6,
+ IPOIB_STOP_REAPER = 7,
+ IPOIB_MCAST_STARTED = 8,
+ IPOIB_FLAG_ADMIN_CM = 9,
IPOIB_FLAG_UMCAST = 10,
IPOIB_MAX_BACKOFF_SECONDS = 16,
- IPOIB_MCAST_FLAG_FOUND = 0, /* used in set_multicast_list */
+ IPOIB_MCAST_FLAG_FOUND = 0, /* used in set_multicast_list */
IPOIB_MCAST_FLAG_SENDONLY = 1,
- IPOIB_MCAST_FLAG_BUSY = 2, /* joining or already joined */
+ IPOIB_MCAST_FLAG_BUSY = 2, /* joining or already joined */
IPOIB_MCAST_FLAG_ATTACHED = 3,
};
@@ -117,7 +118,7 @@ struct ipoib_pseudoheader {
struct ipoib_mcast {
struct ib_sa_mcmember_rec mcmember;
struct ib_sa_multicast *mc;
- struct ipoib_ah *ah;
+ struct ipoib_ah *ah;
struct rb_node rb_node;
struct list_head list;
@@ -186,27 +187,29 @@ enum ipoib_cm_state {
};
struct ipoib_cm_rx {
- struct ib_cm_id *id;
- struct ib_qp *qp;
- struct list_head list;
- struct net_device *dev;
- unsigned long jiffies;
- enum ipoib_cm_state state;
+ struct ib_cm_id *id;
+ struct ib_qp *qp;
+ struct ipoib_cm_rx_buf *rx_ring;
+ struct list_head list;
+ struct net_device *dev;
+ unsigned long jiffies;
+ enum ipoib_cm_state state;
+ int recv_count;
};
struct ipoib_cm_tx {
- struct ib_cm_id *id;
- struct ib_qp *qp;
+ struct ib_cm_id *id;
+ struct ib_qp *qp;
struct list_head list;
struct net_device *dev;
struct ipoib_neigh *neigh;
struct ipoib_path *path;
struct ipoib_tx_buf *tx_ring;
- unsigned tx_head;
- unsigned tx_tail;
- unsigned long flags;
- u32 mtu;
- struct ib_wc ibwc[IPOIB_NUM_WC];
+ unsigned tx_head;
+ unsigned tx_tail;
+ unsigned long flags;
+ u32 mtu;
+ struct ib_wc ibwc[IPOIB_NUM_WC];
};
struct ipoib_cm_rx_buf {
@@ -215,25 +218,28 @@ struct ipoib_cm_rx_buf {
};
struct ipoib_cm_dev_priv {
- struct ib_srq *srq;
+ struct ib_srq *srq;
struct ipoib_cm_rx_buf *srq_ring;
- struct ib_cm_id *id;
- struct list_head passive_ids; /* state: LIVE */
- struct list_head rx_error_list; /* state: ERROR */
- struct list_head rx_flush_list; /* state: FLUSH, drain not started */
- struct list_head rx_drain_list; /* state: FLUSH, drain started */
- struct list_head rx_reap_list; /* state: FLUSH, drain done */
+ struct ib_cm_id *id;
+ struct list_head passive_ids; /* state: LIVE */
+ struct list_head rx_error_list; /* state: ERROR */
+ struct list_head rx_flush_list; /* state: FLUSH, drain not started */
+ struct list_head rx_drain_list; /* state: FLUSH, drain started */
+ struct list_head rx_reap_list; /* state: FLUSH, drain done */
struct work_struct start_task;
struct work_struct reap_task;
struct work_struct skb_task;
struct work_struct rx_reap_task;
struct delayed_work stale_task;
struct sk_buff_head skb_queue;
- struct list_head start_list;
- struct list_head reap_list;
- struct ib_wc ibwc[IPOIB_NUM_WC];
- struct ib_sge rx_sge[IPOIB_CM_RX_SG];
+ struct list_head start_list;
+ struct list_head reap_list;
+ struct ib_wc ibwc[IPOIB_NUM_WC];
+ struct ib_sge rx_sge[IPOIB_CM_RX_SG];
struct ib_recv_wr rx_wr;
+ int nonsrq_conn_qp;
+ int max_cm_mtu;
+ int num_frags;
};
/*
@@ -269,30 +275,30 @@ struct ipoib_dev_priv {
struct work_struct pkey_event_task;
struct ib_device *ca;
- u8 port;
- u16 pkey;
- u16 pkey_index;
- struct ib_pd *pd;
- struct ib_mr *mr;
- struct ib_cq *cq;
- struct ib_qp *qp;
- u32 qkey;
+ u8 port;
+ u16 pkey;
+ u16 pkey_index;
+ struct ib_pd *pd;
+ struct ib_mr *mr;
+ struct ib_cq *cq;
+ struct ib_qp *qp;
+ u32 qkey;
union ib_gid local_gid;
- u16 local_lid;
+ u16 local_lid;
unsigned int admin_mtu;
unsigned int mcast_mtu;
struct ipoib_rx_buf *rx_ring;
- spinlock_t tx_lock;
+ spinlock_t tx_lock;
struct ipoib_tx_buf *tx_ring;
- unsigned tx_head;
- unsigned tx_tail;
- struct ib_sge tx_sge;
+ unsigned tx_head;
+ unsigned tx_tail;
+ struct ib_sge tx_sge;
struct ib_send_wr tx_wr;
- unsigned tx_outstanding;
+ unsigned tx_outstanding;
struct ib_wc ibwc[IPOIB_NUM_WC];
@@ -317,10 +323,10 @@ struct ipoib_dev_priv {
struct ipoib_ah {
struct net_device *dev;
- struct ib_ah *ah;
+ struct ib_ah *ah;
struct list_head list;
- struct kref ref;
- unsigned last_send;
+ struct kref ref;
+ unsigned last_send;
};
struct ipoib_path {
@@ -331,11 +337,11 @@ struct ipoib_path {
struct list_head neigh_list;
- int query_id;
+ int query_id;
struct ib_sa_query *query;
struct completion done;
- struct rb_node rb_node;
+ struct rb_node rb_node;
struct list_head list;
};
@@ -344,7 +350,7 @@ struct ipoib_neigh {
#ifdef CONFIG_INFINIBAND_IPOIB_CM
struct ipoib_cm_tx *cm;
#endif
- union ib_gid dgid;
+ union ib_gid dgid;
struct sk_buff_head queue;
struct neighbour *neighbour;
@@ -455,12 +461,14 @@ void ipoib_drain_cq(struct net_device *dev);
#ifdef CONFIG_INFINIBAND_IPOIB_CM
-#define IPOIB_FLAGS_RC 0x80
-#define IPOIB_FLAGS_UC 0x40
+#define IPOIB_FLAGS_RC 0x80
+#define IPOIB_FLAGS_UC 0x40
/* We don't support UC connections at the moment */
#define IPOIB_CM_SUPPORTED(ha) (ha[0] & (IPOIB_FLAGS_RC))
+extern int ipoib_max_conn_qp;
+
static inline int ipoib_cm_admin_enabled(struct net_device *dev)
{
struct ipoib_dev_priv *priv = netdev_priv(dev);
@@ -491,6 +499,18 @@ static inline void ipoib_cm_set(struct ipoib_neigh *neigh, struct ipoib_cm_tx *t
neigh->cm = tx;
}
+static inline int ipoib_cm_has_srq(struct net_device *dev)
+{
+ struct ipoib_dev_priv *priv = netdev_priv(dev);
+ return !!priv->cm.srq;
+}
+
+static inline unsigned int ipoib_cm_max_mtu(struct net_device *dev)
+{
+ struct ipoib_dev_priv *priv = netdev_priv(dev);
+ return priv->cm.max_cm_mtu;
+}
+
void ipoib_cm_send(struct net_device *dev, struct sk_buff *skb, struct ipoib_cm_tx *tx);
int ipoib_cm_dev_open(struct net_device *dev);
void ipoib_cm_dev_stop(struct net_device *dev);
@@ -500,7 +520,7 @@ void ipoib_cm_dev_cleanup(struct net_device *dev);
struct ipoib_cm_tx *ipoib_cm_create_tx(struct net_device *dev, struct ipoib_path *path,
struct ipoib_neigh *neigh);
void ipoib_cm_destroy_tx(struct ipoib_cm_tx *tx);
-void ipoib_cm_skb_too_long(struct net_device* dev, struct sk_buff *skb,
+void ipoib_cm_skb_too_long(struct net_device *dev, struct sk_buff *skb,
unsigned int mtu);
void ipoib_cm_handle_rx_wc(struct net_device *dev, struct ib_wc *wc);
void ipoib_cm_handle_tx_wc(struct net_device *dev, struct ib_wc *wc);
@@ -508,6 +528,8 @@ void ipoib_cm_handle_tx_wc(struct net_device *dev, struct ib_wc *wc);
struct ipoib_cm_tx;
+#define ipoib_max_conn_qp 0
+
static inline int ipoib_cm_admin_enabled(struct net_device *dev)
{
return 0;
@@ -533,6 +555,16 @@ static inline void ipoib_cm_set(struct ipoib_neigh *neigh, struct ipoib_cm_tx *t
{
}
+static inline int ipoib_cm_has_srq(struct net_device *dev)
+{
+ return 0;
+}
+
+static inline unsigned int ipoib_cm_max_mtu(struct net_device *dev)
+{
+ return 0;
+}
+
static inline
void ipoib_cm_send(struct net_device *dev, struct sk_buff *skb, struct ipoib_cm_tx *tx)
{
@@ -582,7 +614,7 @@ int ipoib_cm_add_mode_attr(struct net_device *dev)
return 0;
}
-static inline void ipoib_cm_skb_too_long(struct net_device* dev, struct sk_buff *skb,
+static inline void ipoib_cm_skb_too_long(struct net_device *dev, struct sk_buff *skb,
unsigned int mtu)
{
dev_kfree_skb_any(skb);
@@ -624,12 +656,12 @@ extern struct ib_sa_client ipoib_sa_client;
extern int ipoib_debug_level;
#define ipoib_dbg(priv, format, arg...) \
- do { \
+ do { \
if (ipoib_debug_level > 0) \
ipoib_printk(KERN_DEBUG, priv, format , ## arg); \
} while (0)
#define ipoib_dbg_mcast(priv, format, arg...) \
- do { \
+ do { \
if (mcast_debug_level > 0) \
ipoib_printk(KERN_DEBUG, priv, format , ## arg); \
} while (0)
@@ -642,7 +674,7 @@ extern int ipoib_debug_level;
#ifdef CONFIG_INFINIBAND_IPOIB_DEBUG_DATA
#define ipoib_dbg_data(priv, format, arg...) \
- do { \
+ do { \
if (data_debug_level > 0) \
ipoib_printk(KERN_DEBUG, priv, format , ## arg); \
} while (0)
diff --git a/drivers/infiniband/ulp/ipoib/ipoib_cm.c b/drivers/infiniband/ulp/ipoib/ipoib_cm.c
index 059cf92b60a5..1818f958c250 100644
--- a/drivers/infiniband/ulp/ipoib/ipoib_cm.c
+++ b/drivers/infiniband/ulp/ipoib/ipoib_cm.c
@@ -39,6 +39,15 @@
#include <linux/icmpv6.h>
#include <linux/delay.h>
+#include "ipoib.h"
+
+int ipoib_max_conn_qp = 128;
+
+module_param_named(max_nonsrq_conn_qp, ipoib_max_conn_qp, int, 0444);
+MODULE_PARM_DESC(max_nonsrq_conn_qp,
+ "Max number of connected-mode QPs per interface "
+ "(applied only if shared receive queue is not available)");
+
#ifdef CONFIG_INFINIBAND_IPOIB_DEBUG_DATA
static int data_debug_level;
@@ -47,8 +56,6 @@ MODULE_PARM_DESC(cm_data_debug_level,
"Enable data path debug tracing for connected mode if > 0");
#endif
-#include "ipoib.h"
-
#define IPOIB_CM_IETF_ID 0x1000000000000000ULL
#define IPOIB_CM_RX_UPDATE_TIME (256 * HZ)
@@ -81,7 +88,7 @@ static void ipoib_cm_dma_unmap_rx(struct ipoib_dev_priv *priv, int frags,
ib_dma_unmap_single(priv->ca, mapping[i + 1], PAGE_SIZE, DMA_FROM_DEVICE);
}
-static int ipoib_cm_post_receive(struct net_device *dev, int id)
+static int ipoib_cm_post_receive_srq(struct net_device *dev, int id)
{
struct ipoib_dev_priv *priv = netdev_priv(dev);
struct ib_recv_wr *bad_wr;
@@ -89,13 +96,13 @@ static int ipoib_cm_post_receive(struct net_device *dev, int id)
priv->cm.rx_wr.wr_id = id | IPOIB_OP_CM | IPOIB_OP_RECV;
- for (i = 0; i < IPOIB_CM_RX_SG; ++i)
+ for (i = 0; i < priv->cm.num_frags; ++i)
priv->cm.rx_sge[i].addr = priv->cm.srq_ring[id].mapping[i];
ret = ib_post_srq_recv(priv->cm.srq, &priv->cm.rx_wr, &bad_wr);
if (unlikely(ret)) {
ipoib_warn(priv, "post srq failed for buf %d (%d)\n", id, ret);
- ipoib_cm_dma_unmap_rx(priv, IPOIB_CM_RX_SG - 1,
+ ipoib_cm_dma_unmap_rx(priv, priv->cm.num_frags - 1,
priv->cm.srq_ring[id].mapping);
dev_kfree_skb_any(priv->cm.srq_ring[id].skb);
priv->cm.srq_ring[id].skb = NULL;
@@ -104,7 +111,33 @@ static int ipoib_cm_post_receive(struct net_device *dev, int id)
return ret;
}
-static struct sk_buff *ipoib_cm_alloc_rx_skb(struct net_device *dev, int id, int frags,
+static int ipoib_cm_post_receive_nonsrq(struct net_device *dev,
+ struct ipoib_cm_rx *rx, int id)
+{
+ struct ipoib_dev_priv *priv = netdev_priv(dev);
+ struct ib_recv_wr *bad_wr;
+ int i, ret;
+
+ priv->cm.rx_wr.wr_id = id | IPOIB_OP_CM | IPOIB_OP_RECV;
+
+ for (i = 0; i < IPOIB_CM_RX_SG; ++i)
+ priv->cm.rx_sge[i].addr = rx->rx_ring[id].mapping[i];
+
+ ret = ib_post_recv(rx->qp, &priv->cm.rx_wr, &bad_wr);
+ if (unlikely(ret)) {
+ ipoib_warn(priv, "post recv failed for buf %d (%d)\n", id, ret);
+ ipoib_cm_dma_unmap_rx(priv, IPOIB_CM_RX_SG - 1,
+ rx->rx_ring[id].mapping);
+ dev_kfree_skb_any(rx->rx_ring[id].skb);
+ rx->rx_ring[id].skb = NULL;
+ }
+
+ return ret;
+}
+
+static struct sk_buff *ipoib_cm_alloc_rx_skb(struct net_device *dev,
+ struct ipoib_cm_rx_buf *rx_ring,
+ int id, int frags,
u64 mapping[IPOIB_CM_RX_SG])
{
struct ipoib_dev_priv *priv = netdev_priv(dev);
@@ -141,7 +174,7 @@ static struct sk_buff *ipoib_cm_alloc_rx_skb(struct net_device *dev, int id, int
goto partial_error;
}
- priv->cm.srq_ring[id].skb = skb;
+ rx_ring[id].skb = skb;
return skb;
partial_error:
@@ -155,7 +188,23 @@ partial_error:
return NULL;
}
-static void ipoib_cm_start_rx_drain(struct ipoib_dev_priv* priv)
+static void ipoib_cm_free_rx_ring(struct net_device *dev,
+ struct ipoib_cm_rx_buf *rx_ring)
+{
+ struct ipoib_dev_priv *priv = netdev_priv(dev);
+ int i;
+
+ for (i = 0; i < ipoib_recvq_size; ++i)
+ if (rx_ring[i].skb) {
+ ipoib_cm_dma_unmap_rx(priv, IPOIB_CM_RX_SG - 1,
+ rx_ring[i].mapping);
+ dev_kfree_skb_any(rx_ring[i].skb);
+ }
+
+ kfree(rx_ring);
+}
+
+static void ipoib_cm_start_rx_drain(struct ipoib_dev_priv *priv)
{
struct ib_send_wr *bad_wr;
struct ipoib_cm_rx *p;
@@ -208,12 +257,18 @@ static struct ib_qp *ipoib_cm_create_rx_qp(struct net_device *dev,
.qp_type = IB_QPT_RC,
.qp_context = p,
};
+
+ if (!ipoib_cm_has_srq(dev)) {
+ attr.cap.max_recv_wr = ipoib_recvq_size;
+ attr.cap.max_recv_sge = IPOIB_CM_RX_SG;
+ }
+
return ib_create_qp(priv->pd, &attr);
}
static int ipoib_cm_modify_rx_qp(struct net_device *dev,
- struct ib_cm_id *cm_id, struct ib_qp *qp,
- unsigned psn)
+ struct ib_cm_id *cm_id, struct ib_qp *qp,
+ unsigned psn)
{
struct ipoib_dev_priv *priv = netdev_priv(dev);
struct ib_qp_attr qp_attr;
@@ -266,6 +321,60 @@ static int ipoib_cm_modify_rx_qp(struct net_device *dev,
return 0;
}
+static int ipoib_cm_nonsrq_init_rx(struct net_device *dev, struct ib_cm_id *cm_id,
+ struct ipoib_cm_rx *rx)
+{
+ struct ipoib_dev_priv *priv = netdev_priv(dev);
+ int ret;
+ int i;
+
+ rx->rx_ring = kcalloc(ipoib_recvq_size, sizeof *rx->rx_ring, GFP_KERNEL);
+ if (!rx->rx_ring)
+ return -ENOMEM;
+
+ spin_lock_irq(&priv->lock);
+
+ if (priv->cm.nonsrq_conn_qp >= ipoib_max_conn_qp) {
+ spin_unlock_irq(&priv->lock);
+ ib_send_cm_rej(cm_id, IB_CM_REJ_NO_QP, NULL, 0, NULL, 0);
+ ret = -EINVAL;
+ goto err_free;
+ } else
+ ++priv->cm.nonsrq_conn_qp;
+
+ spin_unlock_irq(&priv->lock);
+
+ for (i = 0; i < ipoib_recvq_size; ++i) {
+ if (!ipoib_cm_alloc_rx_skb(dev, rx->rx_ring, i, IPOIB_CM_RX_SG - 1,
+ rx->rx_ring[i].mapping)) {
+ ipoib_warn(priv, "failed to allocate receive buffer %d\n", i);
+ ret = -ENOMEM;
+ goto err_count;
+ }
+ ret = ipoib_cm_post_receive_nonsrq(dev, rx, i);
+ if (ret) {
+ ipoib_warn(priv, "ipoib_cm_post_receive_nonsrq "
+ "failed for buf %d\n", i);
+ ret = -EIO;
+ goto err_count;
+ }
+ }
+
+ rx->recv_count = ipoib_recvq_size;
+
+ return 0;
+
+err_count:
+ spin_lock_irq(&priv->lock);
+ --priv->cm.nonsrq_conn_qp;
+ spin_unlock_irq(&priv->lock);
+
+err_free:
+ ipoib_cm_free_rx_ring(dev, rx->rx_ring);
+
+ return ret;
+}
+
static int ipoib_cm_send_rep(struct net_device *dev, struct ib_cm_id *cm_id,
struct ib_qp *qp, struct ib_cm_req_event_param *req,
unsigned psn)
@@ -281,7 +390,7 @@ static int ipoib_cm_send_rep(struct net_device *dev, struct ib_cm_id *cm_id,
rep.private_data_len = sizeof data;
rep.flow_control = 0;
rep.rnr_retry_count = req->rnr_retry_count;
- rep.srq = 1;
+ rep.srq = ipoib_cm_has_srq(dev);
rep.qp_num = qp->qp_num;
rep.starting_psn = psn;
return ib_send_cm_rep(cm_id, &rep);
@@ -317,6 +426,12 @@ static int ipoib_cm_req_handler(struct ib_cm_id *cm_id, struct ib_cm_event *even
if (ret)
goto err_modify;
+ if (!ipoib_cm_has_srq(dev)) {
+ ret = ipoib_cm_nonsrq_init_rx(dev, cm_id, p);
+ if (ret)
+ goto err_modify;
+ }
+
spin_lock_irq(&priv->lock);
queue_delayed_work(ipoib_workqueue,
&priv->cm.stale_task, IPOIB_CM_RX_DELAY);
@@ -401,12 +516,14 @@ static void skb_put_frags(struct sk_buff *skb, unsigned int hdr_space,
void ipoib_cm_handle_rx_wc(struct net_device *dev, struct ib_wc *wc)
{
struct ipoib_dev_priv *priv = netdev_priv(dev);
+ struct ipoib_cm_rx_buf *rx_ring;
unsigned int wr_id = wc->wr_id & ~(IPOIB_OP_CM | IPOIB_OP_RECV);
struct sk_buff *skb, *newskb;
struct ipoib_cm_rx *p;
unsigned long flags;
u64 mapping[IPOIB_CM_RX_SG];
int frags;
+ int has_srq;
ipoib_dbg_data(priv, "cm recv completion: id %d, status: %d\n",
wr_id, wc->status);
@@ -424,18 +541,32 @@ void ipoib_cm_handle_rx_wc(struct net_device *dev, struct ib_wc *wc)
return;
}
- skb = priv->cm.srq_ring[wr_id].skb;
+ p = wc->qp->qp_context;
+
+ has_srq = ipoib_cm_has_srq(dev);
+ rx_ring = has_srq ? priv->cm.srq_ring : p->rx_ring;
+
+ skb = rx_ring[wr_id].skb;
if (unlikely(wc->status != IB_WC_SUCCESS)) {
ipoib_dbg(priv, "cm recv error "
"(status=%d, wrid=%d vend_err %x)\n",
wc->status, wr_id, wc->vendor_err);
++dev->stats.rx_dropped;
- goto repost;
+ if (has_srq)
+ goto repost;
+ else {
+ if (!--p->recv_count) {
+ spin_lock_irqsave(&priv->lock, flags);
+ list_move(&p->list, &priv->cm.rx_reap_list);
+ spin_unlock_irqrestore(&priv->lock, flags);
+ queue_work(ipoib_workqueue, &priv->cm.rx_reap_task);
+ }
+ return;
+ }
}
if (unlikely(!(wr_id & IPOIB_CM_RX_UPDATE_MASK))) {
- p = wc->qp->qp_context;
if (p && time_after_eq(jiffies, p->jiffies + IPOIB_CM_RX_UPDATE_TIME)) {
spin_lock_irqsave(&priv->lock, flags);
p->jiffies = jiffies;
@@ -450,7 +581,7 @@ void ipoib_cm_handle_rx_wc(struct net_device *dev, struct ib_wc *wc)
frags = PAGE_ALIGN(wc->byte_len - min(wc->byte_len,
(unsigned)IPOIB_CM_HEAD_SIZE)) / PAGE_SIZE;
- newskb = ipoib_cm_alloc_rx_skb(dev, wr_id, frags, mapping);
+ newskb = ipoib_cm_alloc_rx_skb(dev, rx_ring, wr_id, frags, mapping);
if (unlikely(!newskb)) {
/*
* If we can't allocate a new RX buffer, dump
@@ -461,8 +592,8 @@ void ipoib_cm_handle_rx_wc(struct net_device *dev, struct ib_wc *wc)
goto repost;
}
- ipoib_cm_dma_unmap_rx(priv, frags, priv->cm.srq_ring[wr_id].mapping);
- memcpy(priv->cm.srq_ring[wr_id].mapping, mapping, (frags + 1) * sizeof *mapping);
+ ipoib_cm_dma_unmap_rx(priv, frags, rx_ring[wr_id].mapping);
+ memcpy(rx_ring[wr_id].mapping, mapping, (frags + 1) * sizeof *mapping);
ipoib_dbg_data(priv, "received %d bytes, SLID 0x%04x\n",
wc->byte_len, wc->slid);
@@ -483,9 +614,17 @@ void ipoib_cm_handle_rx_wc(struct net_device *dev, struct ib_wc *wc)
netif_receive_skb(skb);
repost:
- if (unlikely(ipoib_cm_post_receive(dev, wr_id)))
- ipoib_warn(priv, "ipoib_cm_post_receive failed "
- "for buf %d\n", wr_id);
+ if (has_srq) {
+ if (unlikely(ipoib_cm_post_receive_srq(dev, wr_id)))
+ ipoib_warn(priv, "ipoib_cm_post_receive_srq failed "
+ "for buf %d\n", wr_id);
+ } else {
+ if (unlikely(ipoib_cm_post_receive_nonsrq(dev, p, wr_id))) {
+ --p->recv_count;
+ ipoib_warn(priv, "ipoib_cm_post_receive_nonsrq failed "
+ "for buf %d\n", wr_id);
+ }
+ }
}
static inline int post_send(struct ipoib_dev_priv *priv,
@@ -495,10 +634,10 @@ static inline int post_send(struct ipoib_dev_priv *priv,
{
struct ib_send_wr *bad_wr;
- priv->tx_sge.addr = addr;
- priv->tx_sge.length = len;
+ priv->tx_sge.addr = addr;
+ priv->tx_sge.length = len;
- priv->tx_wr.wr_id = wr_id | IPOIB_OP_CM;
+ priv->tx_wr.wr_id = wr_id | IPOIB_OP_CM;
return ib_post_send(tx->qp, &priv->tx_wr, &bad_wr);
}
@@ -540,7 +679,7 @@ void ipoib_cm_send(struct net_device *dev, struct sk_buff *skb, struct ipoib_cm_
tx_req->mapping = addr;
if (unlikely(post_send(priv, tx, tx->tx_head & (ipoib_sendq_size - 1),
- addr, skb->len))) {
+ addr, skb->len))) {
ipoib_warn(priv, "post_send failed\n");
++dev->stats.tx_errors;
ib_dma_unmap_single(priv->ca, addr, skb->len, DMA_TO_DEVICE);
@@ -657,10 +796,33 @@ err_cm:
return ret;
}
+static void ipoib_cm_free_rx_reap_list(struct net_device *dev)
+{
+ struct ipoib_dev_priv *priv = netdev_priv(dev);
+ struct ipoib_cm_rx *rx, *n;
+ LIST_HEAD(list);
+
+ spin_lock_irq(&priv->lock);
+ list_splice_init(&priv->cm.rx_reap_list, &list);
+ spin_unlock_irq(&priv->lock);
+
+ list_for_each_entry_safe(rx, n, &list, list) {
+ ib_destroy_cm_id(rx->id);
+ ib_destroy_qp(rx->qp);
+ if (!ipoib_cm_has_srq(dev)) {
+ ipoib_cm_free_rx_ring(priv->dev, rx->rx_ring);
+ spin_lock_irq(&priv->lock);
+ --priv->cm.nonsrq_conn_qp;
+ spin_unlock_irq(&priv->lock);
+ }
+ kfree(rx);
+ }
+}
+
void ipoib_cm_dev_stop(struct net_device *dev)
{
struct ipoib_dev_priv *priv = netdev_priv(dev);
- struct ipoib_cm_rx *p, *n;
+ struct ipoib_cm_rx *p;
unsigned long begin;
LIST_HEAD(list);
int ret;
@@ -706,15 +868,9 @@ void ipoib_cm_dev_stop(struct net_device *dev)
spin_lock_irq(&priv->lock);
}
- list_splice_init(&priv->cm.rx_reap_list, &list);
-
spin_unlock_irq(&priv->lock);
- list_for_each_entry_safe(p, n, &list, list) {
- ib_destroy_cm_id(p->id);
- ib_destroy_qp(p->qp);
- kfree(p);
- }
+ ipoib_cm_free_rx_reap_list(dev);
cancel_delayed_work(&priv->cm.stale_task);
}
@@ -799,7 +955,7 @@ static struct ib_qp *ipoib_cm_create_tx_qp(struct net_device *dev, struct ipoib_
.sq_sig_type = IB_SIGNAL_ALL_WR,
.qp_type = IB_QPT_RC,
.qp_context = tx
- };
+ };
return ib_create_qp(priv->pd, &attr);
}
@@ -816,28 +972,28 @@ static int ipoib_cm_send_req(struct net_device *dev,
data.qpn = cpu_to_be32(priv->qp->qp_num);
data.mtu = cpu_to_be32(IPOIB_CM_BUF_SIZE);
- req.primary_path = pathrec;
- req.alternate_path = NULL;
- req.service_id = cpu_to_be64(IPOIB_CM_IETF_ID | qpn);
- req.qp_num = qp->qp_num;
- req.qp_type = qp->qp_type;
- req.private_data = &data;
- req.private_data_len = sizeof data;
- req.flow_control = 0;
+ req.primary_path = pathrec;
+ req.alternate_path = NULL;
+ req.service_id = cpu_to_be64(IPOIB_CM_IETF_ID | qpn);
+ req.qp_num = qp->qp_num;
+ req.qp_type = qp->qp_type;
+ req.private_data = &data;
+ req.private_data_len = sizeof data;
+ req.flow_control = 0;
- req.starting_psn = 0; /* FIXME */
+ req.starting_psn = 0; /* FIXME */
/*
* Pick some arbitrary defaults here; we could make these
* module parameters if anyone cared about setting them.
*/
- req.responder_resources = 4;
- req.remote_cm_response_timeout = 20;
- req.local_cm_response_timeout = 20;
- req.retry_count = 0; /* RFC draft warns against retries */
- req.rnr_retry_count = 0; /* RFC draft warns against retries */
- req.max_cm_retries = 15;
- req.srq = 1;
+ req.responder_resources = 4;
+ req.remote_cm_response_timeout = 20;
+ req.local_cm_response_timeout = 20;
+ req.retry_count = 0; /* RFC draft warns against retries */
+ req.rnr_retry_count = 0; /* RFC draft warns against retries */
+ req.max_cm_retries = 15;
+ req.srq = ipoib_cm_has_srq(dev);
return ib_send_cm_req(id, &req);
}
@@ -1150,7 +1306,7 @@ static void ipoib_cm_skb_reap(struct work_struct *work)
spin_unlock_irq(&priv->tx_lock);
}
-void ipoib_cm_skb_too_long(struct net_device* dev, struct sk_buff *skb,
+void ipoib_cm_skb_too_long(struct net_device *dev, struct sk_buff *skb,
unsigned int mtu)
{
struct ipoib_dev_priv *priv = netdev_priv(dev);
@@ -1166,20 +1322,8 @@ void ipoib_cm_skb_too_long(struct net_device* dev, struct sk_buff *skb,
static void ipoib_cm_rx_reap(struct work_struct *work)
{
- struct ipoib_dev_priv *priv = container_of(work, struct ipoib_dev_priv,
- cm.rx_reap_task);
- struct ipoib_cm_rx *p, *n;
- LIST_HEAD(list);
-
- spin_lock_irq(&priv->lock);
- list_splice_init(&priv->cm.rx_reap_list, &list);
- spin_unlock_irq(&priv->lock);
-
- list_for_each_entry_safe(p, n, &list, list) {
- ib_destroy_cm_id(p->id);
- ib_destroy_qp(p->qp);
- kfree(p);
- }
+ ipoib_cm_free_rx_reap_list(container_of(work, struct ipoib_dev_priv,
+ cm.rx_reap_task)->dev);
}
static void ipoib_cm_stale_task(struct work_struct *work)
@@ -1212,7 +1356,7 @@ static void ipoib_cm_stale_task(struct work_struct *work)
}
-static ssize_t show_mode(struct device *d, struct device_attribute *attr,
+static ssize_t show_mode(struct device *d, struct device_attribute *attr,
char *buf)
{
struct ipoib_dev_priv *priv = netdev_priv(to_net_dev(d));
@@ -1255,16 +1399,40 @@ int ipoib_cm_add_mode_attr(struct net_device *dev)
return device_create_file(&dev->dev, &dev_attr_mode);
}
-int ipoib_cm_dev_init(struct net_device *dev)
+static void ipoib_cm_create_srq(struct net_device *dev, int max_sge)
{
struct ipoib_dev_priv *priv = netdev_priv(dev);
struct ib_srq_init_attr srq_init_attr = {
.attr = {
.max_wr = ipoib_recvq_size,
- .max_sge = IPOIB_CM_RX_SG
+ .max_sge = max_sge
}
};
- int ret, i;
+
+ priv->cm.srq = ib_create_srq(priv->pd, &srq_init_attr);
+ if (IS_ERR(priv->cm.srq)) {
+ if (PTR_ERR(priv->cm.srq) != -ENOSYS)
+ printk(KERN_WARNING "%s: failed to allocate SRQ, error %ld\n",
+ priv->ca->name, PTR_ERR(priv->cm.srq));
+ priv->cm.srq = NULL;
+ return;
+ }
+
+ priv->cm.srq_ring = kzalloc(ipoib_recvq_size * sizeof *priv->cm.srq_ring,
+ GFP_KERNEL);
+ if (!priv->cm.srq_ring) {
+ printk(KERN_WARNING "%s: failed to allocate CM SRQ ring (%d entries)\n",
+ priv->ca->name, ipoib_recvq_size);
+ ib_destroy_srq(priv->cm.srq);
+ priv->cm.srq = NULL;
+ }
+}
+
+int ipoib_cm_dev_init(struct net_device *dev)
+{
+ struct ipoib_dev_priv *priv = netdev_priv(dev);
+ int i, ret;
+ struct ib_device_attr attr;
INIT_LIST_HEAD(&priv->cm.passive_ids);
INIT_LIST_HEAD(&priv->cm.reap_list);
@@ -1281,43 +1449,53 @@ int ipoib_cm_dev_init(struct net_device *dev)
skb_queue_head_init(&priv->cm.skb_queue);
- priv->cm.srq = ib_create_srq(priv->pd, &srq_init_attr);
- if (IS_ERR(priv->cm.srq)) {
- ret = PTR_ERR(priv->cm.srq);
- priv->cm.srq = NULL;
+ ret = ib_query_device(priv->ca, &attr);
+ if (ret) {
+ printk(KERN_WARNING "ib_query_device() failed with %d\n", ret);
return ret;
}
- priv->cm.srq_ring = kzalloc(ipoib_recvq_size * sizeof *priv->cm.srq_ring,
- GFP_KERNEL);
- if (!priv->cm.srq_ring) {
- printk(KERN_WARNING "%s: failed to allocate CM ring (%d entries)\n",
- priv->ca->name, ipoib_recvq_size);
- ipoib_cm_dev_cleanup(dev);
- return -ENOMEM;
+ ipoib_dbg(priv, "max_srq_sge=%d\n", attr.max_srq_sge);
+
+ attr.max_srq_sge = min_t(int, IPOIB_CM_RX_SG, attr.max_srq_sge);
+ ipoib_cm_create_srq(dev, attr.max_srq_sge);
+ if (ipoib_cm_has_srq(dev)) {
+ priv->cm.max_cm_mtu = attr.max_srq_sge * PAGE_SIZE - 0x10;
+ priv->cm.num_frags = attr.max_srq_sge;
+ ipoib_dbg(priv, "max_cm_mtu = 0x%x, num_frags=%d\n",
+ priv->cm.max_cm_mtu, priv->cm.num_frags);
+ } else {
+ priv->cm.max_cm_mtu = IPOIB_CM_MTU;
+ priv->cm.num_frags = IPOIB_CM_RX_SG;
}
- for (i = 0; i < IPOIB_CM_RX_SG; ++i)
+ for (i = 0; i < priv->cm.num_frags; ++i)
priv->cm.rx_sge[i].lkey = priv->mr->lkey;
priv->cm.rx_sge[0].length = IPOIB_CM_HEAD_SIZE;
- for (i = 1; i < IPOIB_CM_RX_SG; ++i)
+ for (i = 1; i < priv->cm.num_frags; ++i)
priv->cm.rx_sge[i].length = PAGE_SIZE;
priv->cm.rx_wr.next = NULL;
priv->cm.rx_wr.sg_list = priv->cm.rx_sge;
- priv->cm.rx_wr.num_sge = IPOIB_CM_RX_SG;
+ priv->cm.rx_wr.num_sge = priv->cm.num_frags;
+
+ if (ipoib_cm_has_srq(dev)) {
+ for (i = 0; i < ipoib_recvq_size; ++i) {
+ if (!ipoib_cm_alloc_rx_skb(dev, priv->cm.srq_ring, i,
+ priv->cm.num_frags - 1,
+ priv->cm.srq_ring[i].mapping)) {
+ ipoib_warn(priv, "failed to allocate "
+ "receive buffer %d\n", i);
+ ipoib_cm_dev_cleanup(dev);
+ return -ENOMEM;
+ }
- for (i = 0; i < ipoib_recvq_size; ++i) {
- if (!ipoib_cm_alloc_rx_skb(dev, i, IPOIB_CM_RX_SG - 1,
- priv->cm.srq_ring[i].mapping)) {
- ipoib_warn(priv, "failed to allocate receive buffer %d\n", i);
- ipoib_cm_dev_cleanup(dev);
- return -ENOMEM;
- }
- if (ipoib_cm_post_receive(dev, i)) {
- ipoib_warn(priv, "ipoib_ib_post_receive failed for buf %d\n", i);
- ipoib_cm_dev_cleanup(dev);
- return -EIO;
+ if (ipoib_cm_post_receive_srq(dev, i)) {
+ ipoib_warn(priv, "ipoib_cm_post_receive_srq "
+ "failed for buf %d\n", i);
+ ipoib_cm_dev_cleanup(dev);
+ return -EIO;
+ }
}
}
@@ -1328,7 +1506,7 @@ int ipoib_cm_dev_init(struct net_device *dev)
void ipoib_cm_dev_cleanup(struct net_device *dev)
{
struct ipoib_dev_priv *priv = netdev_priv(dev);
- int i, ret;
+ int ret;
if (!priv->cm.srq)
return;
@@ -1342,13 +1520,7 @@ void ipoib_cm_dev_cleanup(struct net_device *dev)
priv->cm.srq = NULL;
if (!priv->cm.srq_ring)
return;
- for (i = 0; i < ipoib_recvq_size; ++i)
- if (priv->cm.srq_ring[i].skb) {
- ipoib_cm_dma_unmap_rx(priv, IPOIB_CM_RX_SG - 1,
- priv->cm.srq_ring[i].mapping);
- dev_kfree_skb_any(priv->cm.srq_ring[i].skb);
- priv->cm.srq_ring[i].skb = NULL;
- }
- kfree(priv->cm.srq_ring);
+
+ ipoib_cm_free_rx_ring(dev, priv->cm.srq_ring);
priv->cm.srq_ring = NULL;
}
diff --git a/drivers/infiniband/ulp/ipoib/ipoib_fs.c b/drivers/infiniband/ulp/ipoib/ipoib_fs.c
index 44c174182a82..8b882bbd1d05 100644
--- a/drivers/infiniband/ulp/ipoib/ipoib_fs.c
+++ b/drivers/infiniband/ulp/ipoib/ipoib_fs.c
@@ -124,7 +124,7 @@ static int ipoib_mcg_seq_show(struct seq_file *file, void *iter_ptr)
return 0;
}
-static struct seq_operations ipoib_mcg_seq_ops = {
+static const struct seq_operations ipoib_mcg_seq_ops = {
.start = ipoib_mcg_seq_start,
.next = ipoib_mcg_seq_next,
.stop = ipoib_mcg_seq_stop,
@@ -230,7 +230,7 @@ static int ipoib_path_seq_show(struct seq_file *file, void *iter_ptr)
return 0;
}
-static struct seq_operations ipoib_path_seq_ops = {
+static const struct seq_operations ipoib_path_seq_ops = {
.start = ipoib_path_seq_start,
.next = ipoib_path_seq_next,
.stop = ipoib_path_seq_stop,
diff --git a/drivers/infiniband/ulp/ipoib/ipoib_ib.c b/drivers/infiniband/ulp/ipoib/ipoib_ib.c
index 5063dd509ad2..52bc2bd5799a 100644
--- a/drivers/infiniband/ulp/ipoib/ipoib_ib.c
+++ b/drivers/infiniband/ulp/ipoib/ipoib_ib.c
@@ -345,12 +345,12 @@ static inline int post_send(struct ipoib_dev_priv *priv,
{
struct ib_send_wr *bad_wr;
- priv->tx_sge.addr = addr;
- priv->tx_sge.length = len;
+ priv->tx_sge.addr = addr;
+ priv->tx_sge.length = len;
- priv->tx_wr.wr_id = wr_id;
+ priv->tx_wr.wr_id = wr_id;
priv->tx_wr.wr.ud.remote_qpn = qpn;
- priv->tx_wr.wr.ud.ah = address;
+ priv->tx_wr.wr.ud.ah = address;
return ib_post_send(priv->qp, &priv->tx_wr, &bad_wr);
}
diff --git a/drivers/infiniband/ulp/ipoib/ipoib_main.c b/drivers/infiniband/ulp/ipoib/ipoib_main.c
index c9f6077b615e..a082466f4a83 100644
--- a/drivers/infiniband/ulp/ipoib/ipoib_main.c
+++ b/drivers/infiniband/ulp/ipoib/ipoib_main.c
@@ -182,17 +182,20 @@ static int ipoib_change_mtu(struct net_device *dev, int new_mtu)
struct ipoib_dev_priv *priv = netdev_priv(dev);
/* dev->mtu > 2K ==> connected mode */
- if (ipoib_cm_admin_enabled(dev) && new_mtu <= IPOIB_CM_MTU) {
+ if (ipoib_cm_admin_enabled(dev)) {
+ if (new_mtu > ipoib_cm_max_mtu(dev))
+ return -EINVAL;
+
if (new_mtu > priv->mcast_mtu)
ipoib_warn(priv, "mtu > %d will cause multicast packet drops.\n",
priv->mcast_mtu);
+
dev->mtu = new_mtu;
return 0;
}
- if (new_mtu > IPOIB_PACKET_SIZE - IPOIB_ENCAP_LEN) {
+ if (new_mtu > IPOIB_PACKET_SIZE - IPOIB_ENCAP_LEN)
return -EINVAL;
- }
priv->admin_mtu = new_mtu;
@@ -474,8 +477,8 @@ static struct ipoib_path *path_rec_create(struct net_device *dev, void *gid)
INIT_LIST_HEAD(&path->neigh_list);
memcpy(path->pathrec.dgid.raw, gid, sizeof (union ib_gid));
- path->pathrec.sgid = priv->local_gid;
- path->pathrec.pkey = cpu_to_be16(priv->pkey);
+ path->pathrec.sgid = priv->local_gid;
+ path->pathrec.pkey = cpu_to_be16(priv->pkey);
path->pathrec.numb_path = 1;
path->pathrec.traffic_class = priv->broadcast->mcmember.traffic_class;
@@ -669,16 +672,6 @@ static int ipoib_start_xmit(struct sk_buff *skb, struct net_device *dev)
if (unlikely(!spin_trylock_irqsave(&priv->tx_lock, flags)))
return NETDEV_TX_LOCKED;
- /*
- * Check if our queue is stopped. Since we have the LLTX bit
- * set, we can't rely on netif_stop_queue() preventing our
- * xmit function from being called with a full queue.
- */
- if (unlikely(netif_queue_stopped(dev))) {
- spin_unlock_irqrestore(&priv->tx_lock, flags);
- return NETDEV_TX_BUSY;
- }
-
if (likely(skb->dst && skb->dst->neighbour)) {
if (unlikely(!*to_ipoib_neigh(skb->dst->neighbour))) {
ipoib_path_lookup(skb, dev);
@@ -950,34 +943,34 @@ static void ipoib_setup(struct net_device *dev)
{
struct ipoib_dev_priv *priv = netdev_priv(dev);
- dev->open = ipoib_open;
- dev->stop = ipoib_stop;
- dev->change_mtu = ipoib_change_mtu;
- dev->hard_start_xmit = ipoib_start_xmit;
- dev->tx_timeout = ipoib_timeout;
- dev->header_ops = &ipoib_header_ops;
- dev->set_multicast_list = ipoib_set_mcast_list;
- dev->neigh_setup = ipoib_neigh_setup_dev;
+ dev->open = ipoib_open;
+ dev->stop = ipoib_stop;
+ dev->change_mtu = ipoib_change_mtu;
+ dev->hard_start_xmit = ipoib_start_xmit;
+ dev->tx_timeout = ipoib_timeout;
+ dev->header_ops = &ipoib_header_ops;
+ dev->set_multicast_list = ipoib_set_mcast_list;
+ dev->neigh_setup = ipoib_neigh_setup_dev;
netif_napi_add(dev, &priv->napi, ipoib_poll, 100);
- dev->watchdog_timeo = HZ;
+ dev->watchdog_timeo = HZ;
- dev->flags |= IFF_BROADCAST | IFF_MULTICAST;
+ dev->flags |= IFF_BROADCAST | IFF_MULTICAST;
/*
* We add in INFINIBAND_ALEN to allow for the destination
* address "pseudoheader" for skbs without neighbour struct.
*/
- dev->hard_header_len = IPOIB_ENCAP_LEN + INFINIBAND_ALEN;
- dev->addr_len = INFINIBAND_ALEN;
- dev->type = ARPHRD_INFINIBAND;
- dev->tx_queue_len = ipoib_sendq_size * 2;
- dev->features = NETIF_F_VLAN_CHALLENGED | NETIF_F_LLTX;
+ dev->hard_header_len = IPOIB_ENCAP_LEN + INFINIBAND_ALEN;
+ dev->addr_len = INFINIBAND_ALEN;
+ dev->type = ARPHRD_INFINIBAND;
+ dev->tx_queue_len = ipoib_sendq_size * 2;
+ dev->features = NETIF_F_VLAN_CHALLENGED | NETIF_F_LLTX;
/* MTU will be reset when mcast join happens */
- dev->mtu = IPOIB_PACKET_SIZE - IPOIB_ENCAP_LEN;
- priv->mcast_mtu = priv->admin_mtu = dev->mtu;
+ dev->mtu = IPOIB_PACKET_SIZE - IPOIB_ENCAP_LEN;
+ priv->mcast_mtu = priv->admin_mtu = dev->mtu;
memcpy(dev->broadcast, ipv4_bcast_addr, INFINIBAND_ALEN);
@@ -1268,6 +1261,9 @@ static int __init ipoib_init_module(void)
ipoib_sendq_size = roundup_pow_of_two(ipoib_sendq_size);
ipoib_sendq_size = min(ipoib_sendq_size, IPOIB_MAX_QUEUE_SIZE);
ipoib_sendq_size = max(ipoib_sendq_size, IPOIB_MIN_QUEUE_SIZE);
+#ifdef CONFIG_INFINIBAND_IPOIB_CM
+ ipoib_max_conn_qp = min(ipoib_max_conn_qp, IPOIB_CM_MAX_CONN_QP);
+#endif
ret = ipoib_register_debugfs();
if (ret)
diff --git a/drivers/infiniband/ulp/ipoib/ipoib_multicast.c b/drivers/infiniband/ulp/ipoib/ipoib_multicast.c
index 9bcfc7ad6aa6..2628339e3a99 100644
--- a/drivers/infiniband/ulp/ipoib/ipoib_multicast.c
+++ b/drivers/infiniband/ulp/ipoib/ipoib_multicast.c
@@ -702,7 +702,7 @@ void ipoib_mcast_send(struct net_device *dev, void *mgid, struct sk_buff *skb)
out:
if (mcast && mcast->ah) {
- if (skb->dst &&
+ if (skb->dst &&
skb->dst->neighbour &&
!*to_ipoib_neigh(skb->dst->neighbour)) {
struct ipoib_neigh *neigh = ipoib_neigh_alloc(skb->dst->neighbour,
@@ -710,7 +710,7 @@ out:
if (neigh) {
kref_get(&mcast->ah->ref);
- neigh->ah = mcast->ah;
+ neigh->ah = mcast->ah;
list_add_tail(&neigh->list, &mcast->neigh_list);
}
}
@@ -788,10 +788,6 @@ void ipoib_mcast_restart_task(struct work_struct *work)
memcpy(mgid.raw, mclist->dmi_addr + 4, sizeof mgid);
- /* Add in the P_Key */
- mgid.raw[4] = (priv->pkey >> 8) & 0xff;
- mgid.raw[5] = priv->pkey & 0xff;
-
mcast = __ipoib_mcast_find(dev, &mgid);
if (!mcast || test_bit(IPOIB_MCAST_FLAG_SENDONLY, &mcast->flags)) {
struct ipoib_mcast *nmcast;
diff --git a/drivers/infiniband/ulp/ipoib/ipoib_verbs.c b/drivers/infiniband/ulp/ipoib/ipoib_verbs.c
index 3c6e45db0ab5..433e99ac227b 100644
--- a/drivers/infiniband/ulp/ipoib/ipoib_verbs.c
+++ b/drivers/infiniband/ulp/ipoib/ipoib_verbs.c
@@ -172,8 +172,12 @@ int ipoib_transport_dev_init(struct net_device *dev, struct ib_device *ca)
size = ipoib_sendq_size + ipoib_recvq_size + 1;
ret = ipoib_cm_dev_init(dev);
- if (!ret)
- size += ipoib_recvq_size + 1 /* 1 extra for rx_drain_qp */;
+ if (!ret) {
+ if (ipoib_cm_has_srq(dev))
+ size += ipoib_recvq_size + 1; /* 1 extra for rx_drain_qp */
+ else
+ size += ipoib_recvq_size * ipoib_max_conn_qp;
+ }
priv->cq = ib_create_cq(priv->ca, ipoib_ib_completion, NULL, dev, size, 0);
if (IS_ERR(priv->cq)) {
@@ -197,12 +201,12 @@ int ipoib_transport_dev_init(struct net_device *dev, struct ib_device *ca)
priv->dev->dev_addr[2] = (priv->qp->qp_num >> 8) & 0xff;
priv->dev->dev_addr[3] = (priv->qp->qp_num ) & 0xff;
- priv->tx_sge.lkey = priv->mr->lkey;
+ priv->tx_sge.lkey = priv->mr->lkey;
- priv->tx_wr.opcode = IB_WR_SEND;
- priv->tx_wr.sg_list = &priv->tx_sge;
- priv->tx_wr.num_sge = 1;
- priv->tx_wr.send_flags = IB_SEND_SIGNALED;
+ priv->tx_wr.opcode = IB_WR_SEND;
+ priv->tx_wr.sg_list = &priv->tx_sge;
+ priv->tx_wr.num_sge = 1;
+ priv->tx_wr.send_flags = IB_SEND_SIGNALED;
return 0;
diff --git a/drivers/infiniband/ulp/iser/Kconfig b/drivers/infiniband/ulp/iser/Kconfig
index fe604c8d2996..77dedba829e6 100644
--- a/drivers/infiniband/ulp/iser/Kconfig
+++ b/drivers/infiniband/ulp/iser/Kconfig
@@ -8,5 +8,5 @@ config INFINIBAND_ISER
that speak iSCSI over iSER over InfiniBand.
The iSER protocol is defined by IETF.
- See <http://www.ietf.org/internet-drafts/draft-ietf-ips-iser-05.txt>
- and <http://www.infinibandta.org/members/spec/iser_annex_060418.pdf>
+ See <http://www.ietf.org/rfc/rfc5046.txt>
+ and <http://www.infinibandta.org/members/spec/Annex_iSER.PDF>
diff --git a/drivers/infiniband/ulp/iser/iscsi_iser.c b/drivers/infiniband/ulp/iser/iscsi_iser.c
index bad8dacafd10..dfa5a4544187 100644
--- a/drivers/infiniband/ulp/iser/iscsi_iser.c
+++ b/drivers/infiniband/ulp/iser/iscsi_iser.c
@@ -551,6 +551,7 @@ static struct scsi_host_template iscsi_iser_sht = {
.module = THIS_MODULE,
.name = "iSCSI Initiator over iSER, v." DRV_VER,
.queuecommand = iscsi_queuecommand,
+ .change_queue_depth = iscsi_change_queue_depth,
.can_queue = ISCSI_DEF_XMIT_CMDS_MAX - 1,
.sg_tablesize = ISCSI_ISER_SG_TABLESIZE,
.max_sectors = 1024,
diff --git a/drivers/infiniband/ulp/iser/iser_initiator.c b/drivers/infiniband/ulp/iser/iser_initiator.c
index a6f2303ed14a..ba1b455949c0 100644
--- a/drivers/infiniband/ulp/iser/iser_initiator.c
+++ b/drivers/infiniband/ulp/iser/iser_initiator.c
@@ -561,7 +561,7 @@ void iser_rcv_completion(struct iser_desc *rx_desc,
if (opcode == ISCSI_OP_SCSI_CMD_RSP) {
itt = get_itt(hdr->itt); /* mask out cid and age bits */
if (!(itt < session->cmds_max))
- iser_err("itt can't be matched to task!!!"
+ iser_err("itt can't be matched to task!!! "
"conn %p opcode %d cmds_max %d itt %d\n",
conn->iscsi_conn,opcode,session->cmds_max,itt);
/* use the mapping given with the cmds array indexed by itt */
diff --git a/drivers/infiniband/ulp/iser/iser_verbs.c b/drivers/infiniband/ulp/iser/iser_verbs.c
index 654a4dce0236..714b8db02b29 100644
--- a/drivers/infiniband/ulp/iser/iser_verbs.c
+++ b/drivers/infiniband/ulp/iser/iser_verbs.c
@@ -105,7 +105,7 @@ pd_err:
}
/**
- * iser_free_device_ib_res - destory/dealloc/dereg the DMA MR,
+ * iser_free_device_ib_res - destroy/dealloc/dereg the DMA MR,
* CQ and PD created with the device associated with the adapator.
*/
static void iser_free_device_ib_res(struct iser_device *device)
@@ -475,13 +475,11 @@ static int iser_cma_handler(struct rdma_cm_id *cma_id, struct rdma_cm_event *eve
iser_disconnected_handler(cma_id);
break;
case RDMA_CM_EVENT_DEVICE_REMOVAL:
+ iser_err("Device removal is currently unsupported\n");
BUG();
break;
- case RDMA_CM_EVENT_CONNECT_RESPONSE:
- BUG();
- break;
- case RDMA_CM_EVENT_CONNECT_REQUEST:
default:
+ iser_err("Unexpected RDMA CM event (%d)\n", event->event);
break;
}
return ret;
diff --git a/drivers/infiniband/ulp/srp/ib_srp.c b/drivers/infiniband/ulp/srp/ib_srp.c
index bdb6f8517401..f2d2c7e2c76b 100644
--- a/drivers/infiniband/ulp/srp/ib_srp.c
+++ b/drivers/infiniband/ulp/srp/ib_srp.c
@@ -272,7 +272,8 @@ static void srp_path_rec_completion(int status,
target->status = status;
if (status)
- printk(KERN_ERR PFX "Got failed path rec status %d\n", status);
+ shost_printk(KERN_ERR, target->scsi_host,
+ PFX "Got failed path rec status %d\n", status);
else
target->path = *pathrec;
complete(&target->done);
@@ -303,7 +304,8 @@ static int srp_lookup_path(struct srp_target_port *target)
wait_for_completion(&target->done);
if (target->status < 0)
- printk(KERN_WARNING PFX "Path record query failed\n");
+ shost_printk(KERN_WARNING, target->scsi_host,
+ PFX "Path record query failed\n");
return target->status;
}
@@ -379,9 +381,10 @@ static int srp_send_req(struct srp_target_port *target)
* the second 8 bytes to the local node GUID.
*/
if (srp_target_is_topspin(target)) {
- printk(KERN_DEBUG PFX "Topspin/Cisco initiator port ID workaround "
- "activated for target GUID %016llx\n",
- (unsigned long long) be64_to_cpu(target->ioc_guid));
+ shost_printk(KERN_DEBUG, target->scsi_host,
+ PFX "Topspin/Cisco initiator port ID workaround "
+ "activated for target GUID %016llx\n",
+ (unsigned long long) be64_to_cpu(target->ioc_guid));
memset(req->priv.initiator_port_id, 0, 8);
memcpy(req->priv.initiator_port_id + 8,
&target->srp_host->dev->dev->node_guid, 8);
@@ -400,7 +403,8 @@ static void srp_disconnect_target(struct srp_target_port *target)
init_completion(&target->done);
if (ib_send_cm_dreq(target->cm_id, NULL, 0)) {
- printk(KERN_DEBUG PFX "Sending CM DREQ failed\n");
+ shost_printk(KERN_DEBUG, target->scsi_host,
+ PFX "Sending CM DREQ failed\n");
return;
}
wait_for_completion(&target->done);
@@ -568,7 +572,8 @@ static int srp_reconnect_target(struct srp_target_port *target)
return ret;
err:
- printk(KERN_ERR PFX "reconnect failed (%d), removing target port.\n", ret);
+ shost_printk(KERN_ERR, target->scsi_host,
+ PFX "reconnect failed (%d), removing target port.\n", ret);
/*
* We couldn't reconnect, so kill our target port off.
@@ -683,8 +688,9 @@ static int srp_map_data(struct scsi_cmnd *scmnd, struct srp_target_port *target,
if (scmnd->sc_data_direction != DMA_FROM_DEVICE &&
scmnd->sc_data_direction != DMA_TO_DEVICE) {
- printk(KERN_WARNING PFX "Unhandled data direction %d\n",
- scmnd->sc_data_direction);
+ shost_printk(KERN_WARNING, target->scsi_host,
+ PFX "Unhandled data direction %d\n",
+ scmnd->sc_data_direction);
return -EINVAL;
}
@@ -786,8 +792,9 @@ static void srp_process_rsp(struct srp_target_port *target, struct srp_rsp *rsp)
} else {
scmnd = req->scmnd;
if (!scmnd)
- printk(KERN_ERR "Null scmnd for RSP w/tag %016llx\n",
- (unsigned long long) rsp->tag);
+ shost_printk(KERN_ERR, target->scsi_host,
+ "Null scmnd for RSP w/tag %016llx\n",
+ (unsigned long long) rsp->tag);
scmnd->result = rsp->status;
if (rsp->flags & SRP_RSP_FLAG_SNSVALID) {
@@ -831,7 +838,8 @@ static void srp_handle_recv(struct srp_target_port *target, struct ib_wc *wc)
if (0) {
int i;
- printk(KERN_ERR PFX "recv completion, opcode 0x%02x\n", opcode);
+ shost_printk(KERN_ERR, target->scsi_host,
+ PFX "recv completion, opcode 0x%02x\n", opcode);
for (i = 0; i < wc->byte_len; ++i) {
if (i % 8 == 0)
@@ -852,11 +860,13 @@ static void srp_handle_recv(struct srp_target_port *target, struct ib_wc *wc)
case SRP_T_LOGOUT:
/* XXX Handle target logout */
- printk(KERN_WARNING PFX "Got target logout request\n");
+ shost_printk(KERN_WARNING, target->scsi_host,
+ PFX "Got target logout request\n");
break;
default:
- printk(KERN_WARNING PFX "Unhandled SRP opcode 0x%02x\n", opcode);
+ shost_printk(KERN_WARNING, target->scsi_host,
+ PFX "Unhandled SRP opcode 0x%02x\n", opcode);
break;
}
@@ -872,9 +882,10 @@ static void srp_completion(struct ib_cq *cq, void *target_ptr)
ib_req_notify_cq(cq, IB_CQ_NEXT_COMP);
while (ib_poll_cq(cq, 1, &wc) > 0) {
if (wc.status) {
- printk(KERN_ERR PFX "failed %s status %d\n",
- wc.wr_id & SRP_OP_RECV ? "receive" : "send",
- wc.status);
+ shost_printk(KERN_ERR, target->scsi_host,
+ PFX "failed %s status %d\n",
+ wc.wr_id & SRP_OP_RECV ? "receive" : "send",
+ wc.status);
target->qp_in_error = 1;
break;
}
@@ -930,13 +941,18 @@ static int srp_post_recv(struct srp_target_port *target)
* req_lim and tx_head. Lock cannot be dropped between call here and
* call to __srp_post_send().
*/
-static struct srp_iu *__srp_get_tx_iu(struct srp_target_port *target)
+static struct srp_iu *__srp_get_tx_iu(struct srp_target_port *target,
+ enum srp_request_type req_type)
{
+ s32 min = (req_type == SRP_REQ_TASK_MGMT) ? 1 : 2;
+
if (target->tx_head - target->tx_tail >= SRP_SQ_SIZE)
return NULL;
- if (unlikely(target->req_lim < 1))
+ if (target->req_lim < min) {
++target->zero_req_lim;
+ return NULL;
+ }
return target->tx_ring[target->tx_head & SRP_SQ_SIZE];
}
@@ -993,7 +1009,7 @@ static int srp_queuecommand(struct scsi_cmnd *scmnd,
return 0;
}
- iu = __srp_get_tx_iu(target);
+ iu = __srp_get_tx_iu(target, SRP_REQ_NORMAL);
if (!iu)
goto err;
@@ -1022,12 +1038,13 @@ static int srp_queuecommand(struct scsi_cmnd *scmnd,
len = srp_map_data(scmnd, target, req);
if (len < 0) {
- printk(KERN_ERR PFX "Failed to map data\n");
+ shost_printk(KERN_ERR, target->scsi_host,
+ PFX "Failed to map data\n");
goto err;
}
if (__srp_post_recv(target)) {
- printk(KERN_ERR PFX "Recv failed\n");
+ shost_printk(KERN_ERR, target->scsi_host, PFX "Recv failed\n");
goto err_unmap;
}
@@ -1035,7 +1052,7 @@ static int srp_queuecommand(struct scsi_cmnd *scmnd,
DMA_TO_DEVICE);
if (__srp_post_send(target, iu, len)) {
- printk(KERN_ERR PFX "Send failed\n");
+ shost_printk(KERN_ERR, target->scsi_host, PFX "Send failed\n");
goto err_unmap;
}
@@ -1090,6 +1107,7 @@ static void srp_cm_rej_handler(struct ib_cm_id *cm_id,
struct ib_cm_event *event,
struct srp_target_port *target)
{
+ struct Scsi_Host *shost = target->scsi_host;
struct ib_class_port_info *cpi;
int opcode;
@@ -1115,19 +1133,22 @@ static void srp_cm_rej_handler(struct ib_cm_id *cm_id,
memcpy(target->path.dgid.raw,
event->param.rej_rcvd.ari, 16);
- printk(KERN_DEBUG PFX "Topspin/Cisco redirect to target port GID %016llx%016llx\n",
- (unsigned long long) be64_to_cpu(target->path.dgid.global.subnet_prefix),
- (unsigned long long) be64_to_cpu(target->path.dgid.global.interface_id));
+ shost_printk(KERN_DEBUG, shost,
+ PFX "Topspin/Cisco redirect to target port GID %016llx%016llx\n",
+ (unsigned long long) be64_to_cpu(target->path.dgid.global.subnet_prefix),
+ (unsigned long long) be64_to_cpu(target->path.dgid.global.interface_id));
target->status = SRP_PORT_REDIRECT;
} else {
- printk(KERN_WARNING " REJ reason: IB_CM_REJ_PORT_REDIRECT\n");
+ shost_printk(KERN_WARNING, shost,
+ " REJ reason: IB_CM_REJ_PORT_REDIRECT\n");
target->status = -ECONNRESET;
}
break;
case IB_CM_REJ_DUPLICATE_LOCAL_COMM_ID:
- printk(KERN_WARNING " REJ reason: IB_CM_REJ_DUPLICATE_LOCAL_COMM_ID\n");
+ shost_printk(KERN_WARNING, shost,
+ " REJ reason: IB_CM_REJ_DUPLICATE_LOCAL_COMM_ID\n");
target->status = -ECONNRESET;
break;
@@ -1138,20 +1159,21 @@ static void srp_cm_rej_handler(struct ib_cm_id *cm_id,
u32 reason = be32_to_cpu(rej->reason);
if (reason == SRP_LOGIN_REJ_REQ_IT_IU_LENGTH_TOO_LARGE)
- printk(KERN_WARNING PFX
- "SRP_LOGIN_REJ: requested max_it_iu_len too large\n");
+ shost_printk(KERN_WARNING, shost,
+ PFX "SRP_LOGIN_REJ: requested max_it_iu_len too large\n");
else
- printk(KERN_WARNING PFX
- "SRP LOGIN REJECTED, reason 0x%08x\n", reason);
+ shost_printk(KERN_WARNING, shost,
+ PFX "SRP LOGIN REJECTED, reason 0x%08x\n", reason);
} else
- printk(KERN_WARNING " REJ reason: IB_CM_REJ_CONSUMER_DEFINED,"
- " opcode 0x%02x\n", opcode);
+ shost_printk(KERN_WARNING, shost,
+ " REJ reason: IB_CM_REJ_CONSUMER_DEFINED,"
+ " opcode 0x%02x\n", opcode);
target->status = -ECONNRESET;
break;
default:
- printk(KERN_WARNING " REJ reason 0x%x\n",
- event->param.rej_rcvd.reason);
+ shost_printk(KERN_WARNING, shost, " REJ reason 0x%x\n",
+ event->param.rej_rcvd.reason);
target->status = -ECONNRESET;
}
}
@@ -1166,7 +1188,8 @@ static int srp_cm_handler(struct ib_cm_id *cm_id, struct ib_cm_event *event)
switch (event->event) {
case IB_CM_REQ_ERROR:
- printk(KERN_DEBUG PFX "Sending CM REQ failed\n");
+ shost_printk(KERN_DEBUG, target->scsi_host,
+ PFX "Sending CM REQ failed\n");
comp = 1;
target->status = -ECONNRESET;
break;
@@ -1184,7 +1207,8 @@ static int srp_cm_handler(struct ib_cm_id *cm_id, struct ib_cm_event *event)
target->scsi_host->can_queue = min(target->req_lim,
target->scsi_host->can_queue);
} else {
- printk(KERN_WARNING PFX "Unhandled RSP opcode %#x\n", opcode);
+ shost_printk(KERN_WARNING, target->scsi_host,
+ PFX "Unhandled RSP opcode %#x\n", opcode);
target->status = -ECONNRESET;
break;
}
@@ -1230,20 +1254,23 @@ static int srp_cm_handler(struct ib_cm_id *cm_id, struct ib_cm_event *event)
break;
case IB_CM_REJ_RECEIVED:
- printk(KERN_DEBUG PFX "REJ received\n");
+ shost_printk(KERN_DEBUG, target->scsi_host, PFX "REJ received\n");
comp = 1;
srp_cm_rej_handler(cm_id, event, target);
break;
case IB_CM_DREQ_RECEIVED:
- printk(KERN_WARNING PFX "DREQ received - connection closed\n");
+ shost_printk(KERN_WARNING, target->scsi_host,
+ PFX "DREQ received - connection closed\n");
if (ib_send_cm_drep(cm_id, NULL, 0))
- printk(KERN_ERR PFX "Sending CM DREP failed\n");
+ shost_printk(KERN_ERR, target->scsi_host,
+ PFX "Sending CM DREP failed\n");
break;
case IB_CM_TIMEWAIT_EXIT:
- printk(KERN_ERR PFX "connection closed\n");
+ shost_printk(KERN_ERR, target->scsi_host,
+ PFX "connection closed\n");
comp = 1;
target->status = 0;
@@ -1255,7 +1282,8 @@ static int srp_cm_handler(struct ib_cm_id *cm_id, struct ib_cm_event *event)
break;
default:
- printk(KERN_WARNING PFX "Unhandled CM event %d\n", event->event);
+ shost_printk(KERN_WARNING, target->scsi_host,
+ PFX "Unhandled CM event %d\n", event->event);
break;
}
@@ -1283,7 +1311,7 @@ static int srp_send_tsk_mgmt(struct srp_target_port *target,
init_completion(&req->done);
- iu = __srp_get_tx_iu(target);
+ iu = __srp_get_tx_iu(target, SRP_REQ_TASK_MGMT);
if (!iu)
goto out;
@@ -1332,7 +1360,7 @@ static int srp_abort(struct scsi_cmnd *scmnd)
struct srp_request *req;
int ret = SUCCESS;
- printk(KERN_ERR "SRP abort called\n");
+ shost_printk(KERN_ERR, target->scsi_host, "SRP abort called\n");
if (target->qp_in_error)
return FAILED;
@@ -1362,7 +1390,7 @@ static int srp_reset_device(struct scsi_cmnd *scmnd)
struct srp_target_port *target = host_to_target(scmnd->device->host);
struct srp_request *req, *tmp;
- printk(KERN_ERR "SRP reset_device called\n");
+ shost_printk(KERN_ERR, target->scsi_host, "SRP reset_device called\n");
if (target->qp_in_error)
return FAILED;
@@ -1389,7 +1417,7 @@ static int srp_reset_host(struct scsi_cmnd *scmnd)
struct srp_target_port *target = host_to_target(scmnd->device->host);
int ret = FAILED;
- printk(KERN_ERR PFX "SRP reset_host called\n");
+ shost_printk(KERN_ERR, target->scsi_host, PFX "SRP reset_host called\n");
if (!srp_reconnect_target(target))
ret = SUCCESS;
@@ -1543,6 +1571,7 @@ static struct scsi_host_template srp_template = {
.this_id = -1,
.cmd_per_lun = SRP_SQ_SIZE,
.use_clustering = ENABLE_CLUSTERING,
+ .use_sg_chaining = ENABLE_SG_CHAINING,
.shost_attrs = srp_host_attrs
};
@@ -1814,8 +1843,9 @@ static ssize_t srp_create_target(struct class_device *class_dev,
ib_get_cached_gid(host->dev->dev, host->port, 0, &target->path.sgid);
- printk(KERN_DEBUG PFX "new target: id_ext %016llx ioc_guid %016llx pkey %04x "
- "service_id %016llx dgid %04x:%04x:%04x:%04x:%04x:%04x:%04x:%04x\n",
+ shost_printk(KERN_DEBUG, target->scsi_host, PFX
+ "new target: id_ext %016llx ioc_guid %016llx pkey %04x "
+ "service_id %016llx dgid %04x:%04x:%04x:%04x:%04x:%04x:%04x:%04x\n",
(unsigned long long) be64_to_cpu(target->id_ext),
(unsigned long long) be64_to_cpu(target->ioc_guid),
be16_to_cpu(target->path.pkey),
@@ -1842,7 +1872,8 @@ static ssize_t srp_create_target(struct class_device *class_dev,
target->qp_in_error = 0;
ret = srp_connect_target(target);
if (ret) {
- printk(KERN_ERR PFX "Connection failed\n");
+ shost_printk(KERN_ERR, target->scsi_host,
+ PFX "Connection failed\n");
goto err_cm_id;
}
diff --git a/drivers/infiniband/ulp/srp/ib_srp.h b/drivers/infiniband/ulp/srp/ib_srp.h
index e3573e7038c4..4a3c1f37e4c2 100644
--- a/drivers/infiniband/ulp/srp/ib_srp.h
+++ b/drivers/infiniband/ulp/srp/ib_srp.h
@@ -79,6 +79,11 @@ enum srp_target_state {
SRP_TARGET_REMOVED
};
+enum srp_request_type {
+ SRP_REQ_NORMAL,
+ SRP_REQ_TASK_MGMT,
+};
+
struct srp_device {
struct list_head dev_list;
struct ib_device *dev;
diff --git a/drivers/net/mlx4/fw.c b/drivers/net/mlx4/fw.c
index 50648738d679..535a4461d88c 100644
--- a/drivers/net/mlx4/fw.c
+++ b/drivers/net/mlx4/fw.c
@@ -202,7 +202,7 @@ int mlx4_QUERY_DEV_CAP(struct mlx4_dev *dev, struct mlx4_dev_cap *dev_cap)
MLX4_GET(field, outbox, QUERY_DEV_CAP_RSVD_EQ_OFFSET);
dev_cap->reserved_eqs = 1 << (field & 0xf);
MLX4_GET(field, outbox, QUERY_DEV_CAP_MAX_EQ_OFFSET);
- dev_cap->max_eqs = 1 << (field & 0x7);
+ dev_cap->max_eqs = 1 << (field & 0xf);
MLX4_GET(field, outbox, QUERY_DEV_CAP_RSVD_MTT_OFFSET);
dev_cap->reserved_mtts = 1 << (field >> 4);
MLX4_GET(field, outbox, QUERY_DEV_CAP_MAX_MRW_SZ_OFFSET);