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-rw-r--r--drivers/infiniband/core/agent.c3
-rw-r--r--drivers/infiniband/core/cm.c6
-rw-r--r--drivers/infiniband/core/device.c10
-rw-r--r--drivers/infiniband/core/mad.c31
-rw-r--r--drivers/infiniband/core/sysfs.c6
-rw-r--r--drivers/infiniband/core/ucm.c9
-rw-r--r--drivers/infiniband/core/user_mad.c80
-rw-r--r--drivers/infiniband/core/uverbs.h1
-rw-r--r--drivers/infiniband/core/uverbs_cmd.c1
-rw-r--r--drivers/infiniband/core/uverbs_main.c13
-rw-r--r--drivers/infiniband/hw/mthca/mthca_cq.c31
-rw-r--r--drivers/infiniband/hw/mthca/mthca_dev.h4
-rw-r--r--drivers/infiniband/hw/mthca/mthca_eq.c4
-rw-r--r--drivers/infiniband/hw/mthca/mthca_main.c2
-rw-r--r--drivers/infiniband/hw/mthca/mthca_mr.c4
-rw-r--r--drivers/infiniband/hw/mthca/mthca_profile.c4
-rw-r--r--drivers/infiniband/hw/mthca/mthca_provider.c2
-rw-r--r--drivers/infiniband/hw/mthca/mthca_qp.c7
-rw-r--r--drivers/infiniband/hw/mthca/mthca_srq.c13
-rw-r--r--drivers/infiniband/ulp/ipoib/ipoib.h3
-rw-r--r--drivers/infiniband/ulp/ipoib/ipoib_ib.c13
-rw-r--r--drivers/infiniband/ulp/ipoib/ipoib_main.c24
-rw-r--r--drivers/infiniband/ulp/ipoib/ipoib_multicast.c8
-rw-r--r--drivers/infiniband/ulp/ipoib/ipoib_verbs.c4
24 files changed, 165 insertions, 118 deletions
diff --git a/drivers/infiniband/core/agent.c b/drivers/infiniband/core/agent.c
index 0c3c6952faa..7545775d38e 100644
--- a/drivers/infiniband/core/agent.c
+++ b/drivers/infiniband/core/agent.c
@@ -155,13 +155,12 @@ int ib_agent_port_open(struct ib_device *device, int port_num)
int ret;
/* Create new device info */
- port_priv = kmalloc(sizeof *port_priv, GFP_KERNEL);
+ port_priv = kzalloc(sizeof *port_priv, GFP_KERNEL);
if (!port_priv) {
printk(KERN_ERR SPFX "No memory for ib_agent_port_private\n");
ret = -ENOMEM;
goto error1;
}
- memset(port_priv, 0, sizeof *port_priv);
/* Obtain send only MAD agent for SMI QP */
port_priv->agent[0] = ib_register_mad_agent(device, port_num,
diff --git a/drivers/infiniband/core/cm.c b/drivers/infiniband/core/cm.c
index 580c3a2bb10..02110e00d14 100644
--- a/drivers/infiniband/core/cm.c
+++ b/drivers/infiniband/core/cm.c
@@ -544,11 +544,10 @@ struct ib_cm_id *ib_create_cm_id(struct ib_device *device,
struct cm_id_private *cm_id_priv;
int ret;
- cm_id_priv = kmalloc(sizeof *cm_id_priv, GFP_KERNEL);
+ cm_id_priv = kzalloc(sizeof *cm_id_priv, GFP_KERNEL);
if (!cm_id_priv)
return ERR_PTR(-ENOMEM);
- memset(cm_id_priv, 0, sizeof *cm_id_priv);
cm_id_priv->id.state = IB_CM_IDLE;
cm_id_priv->id.device = device;
cm_id_priv->id.cm_handler = cm_handler;
@@ -621,10 +620,9 @@ static struct cm_timewait_info * cm_create_timewait_info(__be32 local_id)
{
struct cm_timewait_info *timewait_info;
- timewait_info = kmalloc(sizeof *timewait_info, GFP_KERNEL);
+ timewait_info = kzalloc(sizeof *timewait_info, GFP_KERNEL);
if (!timewait_info)
return ERR_PTR(-ENOMEM);
- memset(timewait_info, 0, sizeof *timewait_info);
timewait_info->work.local_id = local_id;
INIT_WORK(&timewait_info->work.work, cm_work_handler,
diff --git a/drivers/infiniband/core/device.c b/drivers/infiniband/core/device.c
index 5a6e4497640..e169e798354 100644
--- a/drivers/infiniband/core/device.c
+++ b/drivers/infiniband/core/device.c
@@ -161,17 +161,9 @@ static int alloc_name(char *name)
*/
struct ib_device *ib_alloc_device(size_t size)
{
- void *dev;
-
BUG_ON(size < sizeof (struct ib_device));
- dev = kmalloc(size, GFP_KERNEL);
- if (!dev)
- return NULL;
-
- memset(dev, 0, size);
-
- return dev;
+ return kzalloc(size, GFP_KERNEL);
}
EXPORT_SYMBOL(ib_alloc_device);
diff --git a/drivers/infiniband/core/mad.c b/drivers/infiniband/core/mad.c
index 88f9f8c9eac..3d8175e5f05 100644
--- a/drivers/infiniband/core/mad.c
+++ b/drivers/infiniband/core/mad.c
@@ -255,12 +255,11 @@ struct ib_mad_agent *ib_register_mad_agent(struct ib_device *device,
}
/* Allocate structures */
- mad_agent_priv = kmalloc(sizeof *mad_agent_priv, GFP_KERNEL);
+ mad_agent_priv = kzalloc(sizeof *mad_agent_priv, GFP_KERNEL);
if (!mad_agent_priv) {
ret = ERR_PTR(-ENOMEM);
goto error1;
}
- memset(mad_agent_priv, 0, sizeof *mad_agent_priv);
mad_agent_priv->agent.mr = ib_get_dma_mr(port_priv->qp_info[qpn].qp->pd,
IB_ACCESS_LOCAL_WRITE);
@@ -448,14 +447,13 @@ struct ib_mad_agent *ib_register_mad_snoop(struct ib_device *device,
goto error1;
}
/* Allocate structures */
- mad_snoop_priv = kmalloc(sizeof *mad_snoop_priv, GFP_KERNEL);
+ mad_snoop_priv = kzalloc(sizeof *mad_snoop_priv, GFP_KERNEL);
if (!mad_snoop_priv) {
ret = ERR_PTR(-ENOMEM);
goto error1;
}
/* Now, fill in the various structures */
- memset(mad_snoop_priv, 0, sizeof *mad_snoop_priv);
mad_snoop_priv->qp_info = &port_priv->qp_info[qpn];
mad_snoop_priv->agent.device = device;
mad_snoop_priv->agent.recv_handler = recv_handler;
@@ -794,10 +792,9 @@ struct ib_mad_send_buf * ib_create_send_mad(struct ib_mad_agent *mad_agent,
(!rmpp_active && buf_size > sizeof(struct ib_mad)))
return ERR_PTR(-EINVAL);
- buf = kmalloc(sizeof *mad_send_wr + buf_size, gfp_mask);
+ buf = kzalloc(sizeof *mad_send_wr + buf_size, gfp_mask);
if (!buf)
return ERR_PTR(-ENOMEM);
- memset(buf, 0, sizeof *mad_send_wr + buf_size);
mad_send_wr = buf + buf_size;
mad_send_wr->send_buf.mad = buf;
@@ -1039,14 +1036,12 @@ static int method_in_use(struct ib_mad_mgmt_method_table **method,
static int allocate_method_table(struct ib_mad_mgmt_method_table **method)
{
/* Allocate management method table */
- *method = kmalloc(sizeof **method, GFP_ATOMIC);
+ *method = kzalloc(sizeof **method, GFP_ATOMIC);
if (!*method) {
printk(KERN_ERR PFX "No memory for "
"ib_mad_mgmt_method_table\n");
return -ENOMEM;
}
- /* Clear management method table */
- memset(*method, 0, sizeof **method);
return 0;
}
@@ -1137,15 +1132,14 @@ static int add_nonoui_reg_req(struct ib_mad_reg_req *mad_reg_req,
class = &port_priv->version[mad_reg_req->mgmt_class_version].class;
if (!*class) {
/* Allocate management class table for "new" class version */
- *class = kmalloc(sizeof **class, GFP_ATOMIC);
+ *class = kzalloc(sizeof **class, GFP_ATOMIC);
if (!*class) {
printk(KERN_ERR PFX "No memory for "
"ib_mad_mgmt_class_table\n");
ret = -ENOMEM;
goto error1;
}
- /* Clear management class table */
- memset(*class, 0, sizeof(**class));
+
/* Allocate method table for this management class */
method = &(*class)->method_table[mgmt_class];
if ((ret = allocate_method_table(method)))
@@ -1209,25 +1203,24 @@ static int add_oui_reg_req(struct ib_mad_reg_req *mad_reg_req,
mad_reg_req->mgmt_class_version].vendor;
if (!*vendor_table) {
/* Allocate mgmt vendor class table for "new" class version */
- vendor = kmalloc(sizeof *vendor, GFP_ATOMIC);
+ vendor = kzalloc(sizeof *vendor, GFP_ATOMIC);
if (!vendor) {
printk(KERN_ERR PFX "No memory for "
"ib_mad_mgmt_vendor_class_table\n");
goto error1;
}
- /* Clear management vendor class table */
- memset(vendor, 0, sizeof(*vendor));
+
*vendor_table = vendor;
}
if (!(*vendor_table)->vendor_class[vclass]) {
/* Allocate table for this management vendor class */
- vendor_class = kmalloc(sizeof *vendor_class, GFP_ATOMIC);
+ vendor_class = kzalloc(sizeof *vendor_class, GFP_ATOMIC);
if (!vendor_class) {
printk(KERN_ERR PFX "No memory for "
"ib_mad_mgmt_vendor_class\n");
goto error2;
}
- memset(vendor_class, 0, sizeof(*vendor_class));
+
(*vendor_table)->vendor_class[vclass] = vendor_class;
}
for (i = 0; i < MAX_MGMT_OUI; i++) {
@@ -2524,12 +2517,12 @@ static int ib_mad_port_open(struct ib_device *device,
char name[sizeof "ib_mad123"];
/* Create new device info */
- port_priv = kmalloc(sizeof *port_priv, GFP_KERNEL);
+ port_priv = kzalloc(sizeof *port_priv, GFP_KERNEL);
if (!port_priv) {
printk(KERN_ERR PFX "No memory for ib_mad_port_private\n");
return -ENOMEM;
}
- memset(port_priv, 0, sizeof *port_priv);
+
port_priv->device = device;
port_priv->port_num = port_num;
spin_lock_init(&port_priv->reg_lock);
diff --git a/drivers/infiniband/core/sysfs.c b/drivers/infiniband/core/sysfs.c
index 7ce7a6c782f..b8120650e71 100644
--- a/drivers/infiniband/core/sysfs.c
+++ b/drivers/infiniband/core/sysfs.c
@@ -307,14 +307,13 @@ static ssize_t show_pma_counter(struct ib_port *p, struct port_attribute *attr,
if (!p->ibdev->process_mad)
return sprintf(buf, "N/A (no PMA)\n");
- in_mad = kmalloc(sizeof *in_mad, GFP_KERNEL);
+ in_mad = kzalloc(sizeof *in_mad, GFP_KERNEL);
out_mad = kmalloc(sizeof *in_mad, GFP_KERNEL);
if (!in_mad || !out_mad) {
ret = -ENOMEM;
goto out;
}
- memset(in_mad, 0, sizeof *in_mad);
in_mad->mad_hdr.base_version = 1;
in_mad->mad_hdr.mgmt_class = IB_MGMT_CLASS_PERF_MGMT;
in_mad->mad_hdr.class_version = 1;
@@ -508,10 +507,9 @@ static int add_port(struct ib_device *device, int port_num)
if (ret)
return ret;
- p = kmalloc(sizeof *p, GFP_KERNEL);
+ p = kzalloc(sizeof *p, GFP_KERNEL);
if (!p)
return -ENOMEM;
- memset(p, 0, sizeof *p);
p->ibdev = device;
p->port_num = port_num;
diff --git a/drivers/infiniband/core/ucm.c b/drivers/infiniband/core/ucm.c
index 28477565ecb..6e15787d1de 100644
--- a/drivers/infiniband/core/ucm.c
+++ b/drivers/infiniband/core/ucm.c
@@ -172,11 +172,10 @@ static struct ib_ucm_context *ib_ucm_ctx_alloc(struct ib_ucm_file *file)
struct ib_ucm_context *ctx;
int result;
- ctx = kmalloc(sizeof(*ctx), GFP_KERNEL);
+ ctx = kzalloc(sizeof *ctx, GFP_KERNEL);
if (!ctx)
return NULL;
- memset(ctx, 0, sizeof *ctx);
atomic_set(&ctx->ref, 1);
init_waitqueue_head(&ctx->wait);
ctx->file = file;
@@ -386,11 +385,10 @@ static int ib_ucm_event_handler(struct ib_cm_id *cm_id,
ctx = cm_id->context;
- uevent = kmalloc(sizeof(*uevent), GFP_KERNEL);
+ uevent = kzalloc(sizeof *uevent, GFP_KERNEL);
if (!uevent)
goto err1;
- memset(uevent, 0, sizeof(*uevent));
uevent->ctx = ctx;
uevent->cm_id = cm_id;
uevent->resp.uid = ctx->uid;
@@ -1345,11 +1343,10 @@ static void ib_ucm_add_one(struct ib_device *device)
if (!device->alloc_ucontext)
return;
- ucm_dev = kmalloc(sizeof *ucm_dev, GFP_KERNEL);
+ ucm_dev = kzalloc(sizeof *ucm_dev, GFP_KERNEL);
if (!ucm_dev)
return;
- memset(ucm_dev, 0, sizeof *ucm_dev);
ucm_dev->ib_dev = device;
ucm_dev->devnum = find_first_zero_bit(dev_map, IB_UCM_MAX_DEVICES);
diff --git a/drivers/infiniband/core/user_mad.c b/drivers/infiniband/core/user_mad.c
index 97128e25f78..aed5ca23fb2 100644
--- a/drivers/infiniband/core/user_mad.c
+++ b/drivers/infiniband/core/user_mad.c
@@ -94,6 +94,9 @@ struct ib_umad_port {
struct class_device *sm_class_dev;
struct semaphore sm_sem;
+ struct rw_semaphore mutex;
+ struct list_head file_list;
+
struct ib_device *ib_dev;
struct ib_umad_device *umad_dev;
int dev_num;
@@ -108,10 +111,10 @@ struct ib_umad_device {
struct ib_umad_file {
struct ib_umad_port *port;
- spinlock_t recv_lock;
struct list_head recv_list;
+ struct list_head port_list;
+ spinlock_t recv_lock;
wait_queue_head_t recv_wait;
- struct rw_semaphore agent_mutex;
struct ib_mad_agent *agent[IB_UMAD_MAX_AGENTS];
struct ib_mr *mr[IB_UMAD_MAX_AGENTS];
};
@@ -148,7 +151,7 @@ static int queue_packet(struct ib_umad_file *file,
{
int ret = 1;
- down_read(&file->agent_mutex);
+ down_read(&file->port->mutex);
for (packet->mad.hdr.id = 0;
packet->mad.hdr.id < IB_UMAD_MAX_AGENTS;
packet->mad.hdr.id++)
@@ -161,7 +164,7 @@ static int queue_packet(struct ib_umad_file *file,
break;
}
- up_read(&file->agent_mutex);
+ up_read(&file->port->mutex);
return ret;
}
@@ -322,7 +325,7 @@ static ssize_t ib_umad_write(struct file *filp, const char __user *buf,
goto err;
}
- down_read(&file->agent_mutex);
+ down_read(&file->port->mutex);
agent = file->agent[packet->mad.hdr.id];
if (!agent) {
@@ -419,7 +422,7 @@ static ssize_t ib_umad_write(struct file *filp, const char __user *buf,
if (ret)
goto err_msg;
- up_read(&file->agent_mutex);
+ up_read(&file->port->mutex);
return count;
@@ -430,7 +433,7 @@ err_ah:
ib_destroy_ah(ah);
err_up:
- up_read(&file->agent_mutex);
+ up_read(&file->port->mutex);
err:
kfree(packet);
@@ -460,7 +463,12 @@ static int ib_umad_reg_agent(struct ib_umad_file *file, unsigned long arg)
int agent_id;
int ret;
- down_write(&file->agent_mutex);
+ down_write(&file->port->mutex);
+
+ if (!file->port->ib_dev) {
+ ret = -EPIPE;
+ goto out;
+ }
if (copy_from_user(&ureq, (void __user *) arg, sizeof ureq)) {
ret = -EFAULT;
@@ -522,7 +530,7 @@ err:
ib_unregister_mad_agent(agent);
out:
- up_write(&file->agent_mutex);
+ up_write(&file->port->mutex);
return ret;
}
@@ -531,7 +539,7 @@ static int ib_umad_unreg_agent(struct ib_umad_file *file, unsigned long arg)
u32 id;
int ret = 0;
- down_write(&file->agent_mutex);
+ down_write(&file->port->mutex);
if (get_user(id, (u32 __user *) arg)) {
ret = -EFAULT;
@@ -548,7 +556,7 @@ static int ib_umad_unreg_agent(struct ib_umad_file *file, unsigned long arg)
file->agent[id] = NULL;
out:
- up_write(&file->agent_mutex);
+ up_write(&file->port->mutex);
return ret;
}
@@ -569,6 +577,7 @@ static int ib_umad_open(struct inode *inode, struct file *filp)
{
struct ib_umad_port *port;
struct ib_umad_file *file;
+ int ret = 0;
spin_lock(&port_lock);
port = umad_port[iminor(inode) - IB_UMAD_MINOR_BASE];
@@ -579,21 +588,32 @@ static int ib_umad_open(struct inode *inode, struct file *filp)
if (!port)
return -ENXIO;
+ down_write(&port->mutex);
+
+ if (!port->ib_dev) {
+ ret = -ENXIO;
+ goto out;
+ }
+
file = kzalloc(sizeof *file, GFP_KERNEL);
if (!file) {
kref_put(&port->umad_dev->ref, ib_umad_release_dev);
- return -ENOMEM;
+ ret = -ENOMEM;
+ goto out;
}
spin_lock_init(&file->recv_lock);
- init_rwsem(&file->agent_mutex);
INIT_LIST_HEAD(&file->recv_list);
init_waitqueue_head(&file->recv_wait);
file->port = port;
filp->private_data = file;
- return 0;
+ list_add_tail(&file->port_list, &port->file_list);
+
+out:
+ up_write(&port->mutex);
+ return ret;
}
static int ib_umad_close(struct inode *inode, struct file *filp)
@@ -603,6 +623,7 @@ static int ib_umad_close(struct inode *inode, struct file *filp)
struct ib_umad_packet *packet, *tmp;
int i;
+ down_write(&file->port->mutex);
for (i = 0; i < IB_UMAD_MAX_AGENTS; ++i)
if (file->agent[i]) {
ib_dereg_mr(file->mr[i]);
@@ -612,6 +633,9 @@ static int ib_umad_close(struct inode *inode, struct file *filp)
list_for_each_entry_safe(packet, tmp, &file->recv_list, list)
kfree(packet);
+ list_del(&file->port_list);
+ up_write(&file->port->mutex);
+
kfree(file);
kref_put(&dev->ref, ib_umad_release_dev);
@@ -680,9 +704,13 @@ static int ib_umad_sm_close(struct inode *inode, struct file *filp)
struct ib_port_modify props = {
.clr_port_cap_mask = IB_PORT_SM
};
- int ret;
+ int ret = 0;
+
+ down_write(&port->mutex);
+ if (port->ib_dev)
+ ret = ib_modify_port(port->ib_dev, port->port_num, 0, &props);
+ up_write(&port->mutex);
- ret = ib_modify_port(port->ib_dev, port->port_num, 0, &props);
up(&port->sm_sem);
kref_put(&port->umad_dev->ref, ib_umad_release_dev);
@@ -745,6 +773,8 @@ 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);
+ INIT_LIST_HEAD(&port->file_list);
port->dev = cdev_alloc();
if (!port->dev)
@@ -813,6 +843,9 @@ err_cdev:
static void ib_umad_kill_port(struct ib_umad_port *port)
{
+ struct ib_umad_file *file;
+ int id;
+
class_set_devdata(port->class_dev, NULL);
class_set_devdata(port->sm_class_dev, NULL);
@@ -826,6 +859,21 @@ 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);
+
+ port->ib_dev = NULL;
+
+ list_for_each_entry(file, &port->file_list, port_list)
+ for (id = 0; id < IB_UMAD_MAX_AGENTS; ++id) {
+ if (!file->agent[id])
+ continue;
+ ib_dereg_mr(file->mr[id]);
+ ib_unregister_mad_agent(file->agent[id]);
+ file->agent[id] = NULL;
+ }
+
+ up_write(&port->mutex);
+
clear_bit(port->dev_num, dev_map);
}
diff --git a/drivers/infiniband/core/uverbs.h b/drivers/infiniband/core/uverbs.h
index 031cdf3c066..ecb83012786 100644
--- a/drivers/infiniband/core/uverbs.h
+++ b/drivers/infiniband/core/uverbs.h
@@ -113,6 +113,7 @@ struct ib_uevent_object {
struct ib_ucq_object {
struct ib_uobject uobject;
+ struct ib_uverbs_file *uverbs_file;
struct list_head comp_list;
struct list_head async_list;
u32 comp_events_reported;
diff --git a/drivers/infiniband/core/uverbs_cmd.c b/drivers/infiniband/core/uverbs_cmd.c
index 8c89abc8c76..63a74151c60 100644
--- a/drivers/infiniband/core/uverbs_cmd.c
+++ b/drivers/infiniband/core/uverbs_cmd.c
@@ -602,6 +602,7 @@ ssize_t ib_uverbs_create_cq(struct ib_uverbs_file *file,
uobj->uobject.user_handle = cmd.user_handle;
uobj->uobject.context = file->ucontext;
+ uobj->uverbs_file = file;
uobj->comp_events_reported = 0;
uobj->async_events_reported = 0;
INIT_LIST_HEAD(&uobj->comp_list);
diff --git a/drivers/infiniband/core/uverbs_main.c b/drivers/infiniband/core/uverbs_main.c
index 0eb38f479b3..de6581d7cb8 100644
--- a/drivers/infiniband/core/uverbs_main.c
+++ b/drivers/infiniband/core/uverbs_main.c
@@ -442,13 +442,10 @@ static void ib_uverbs_async_handler(struct ib_uverbs_file *file,
void ib_uverbs_cq_event_handler(struct ib_event *event, void *context_ptr)
{
- struct ib_uverbs_event_file *ev_file = context_ptr;
- struct ib_ucq_object *uobj;
+ struct ib_ucq_object *uobj = container_of(event->element.cq->uobject,
+ struct ib_ucq_object, uobject);
- uobj = container_of(event->element.cq->uobject,
- struct ib_ucq_object, uobject);
-
- ib_uverbs_async_handler(ev_file->uverbs_file, uobj->uobject.user_handle,
+ ib_uverbs_async_handler(uobj->uverbs_file, uobj->uobject.user_handle,
event->event, &uobj->async_list,
&uobj->async_events_reported);
@@ -728,12 +725,10 @@ static void ib_uverbs_add_one(struct ib_device *device)
if (!device->alloc_ucontext)
return;
- uverbs_dev = kmalloc(sizeof *uverbs_dev, GFP_KERNEL);
+ uverbs_dev = kzalloc(sizeof *uverbs_dev, GFP_KERNEL);
if (!uverbs_dev)
return;
- memset(uverbs_dev, 0, sizeof *uverbs_dev);
-
kref_init(&uverbs_dev->ref);
spin_lock(&map_lock);
diff --git a/drivers/infiniband/hw/mthca/mthca_cq.c b/drivers/infiniband/hw/mthca/mthca_cq.c
index 8600b6c3e0c..f98e2355582 100644
--- a/drivers/infiniband/hw/mthca/mthca_cq.c
+++ b/drivers/infiniband/hw/mthca/mthca_cq.c
@@ -208,7 +208,7 @@ static inline void update_cons_index(struct mthca_dev *dev, struct mthca_cq *cq,
}
}
-void mthca_cq_event(struct mthca_dev *dev, u32 cqn)
+void mthca_cq_completion(struct mthca_dev *dev, u32 cqn)
{
struct mthca_cq *cq;
@@ -224,6 +224,35 @@ void mthca_cq_event(struct mthca_dev *dev, u32 cqn)
cq->ibcq.comp_handler(&cq->ibcq, cq->ibcq.cq_context);
}
+void mthca_cq_event(struct mthca_dev *dev, u32 cqn,
+ enum ib_event_type event_type)
+{
+ struct mthca_cq *cq;
+ struct ib_event event;
+
+ spin_lock(&dev->cq_table.lock);
+
+ cq = mthca_array_get(&dev->cq_table.cq, cqn & (dev->limits.num_cqs - 1));
+
+ if (cq)
+ atomic_inc(&cq->refcount);
+ spin_unlock(&dev->cq_table.lock);
+
+ if (!cq) {
+ mthca_warn(dev, "Async event for bogus CQ %08x\n", cqn);
+ return;
+ }
+
+ event.device = &dev->ib_dev;
+ event.event = event_type;
+ event.element.cq = &cq->ibcq;
+ if (cq->ibcq.event_handler)
+ cq->ibcq.event_handler(&event, cq->ibcq.cq_context);
+
+ if (atomic_dec_and_test(&cq->refcount))
+ wake_up(&cq->wait);
+}
+
void mthca_cq_clean(struct mthca_dev *dev, u32 cqn, u32 qpn,
struct mthca_srq *srq)
{
diff --git a/drivers/infiniband/hw/mthca/mthca_dev.h b/drivers/infiniband/hw/mthca/mthca_dev.h
index 7e68bd4a378..e7e5d3b4f00 100644
--- a/drivers/infiniband/hw/mthca/mthca_dev.h
+++ b/drivers/infiniband/hw/mthca/mthca_dev.h
@@ -460,7 +460,9 @@ int mthca_init_cq(struct mthca_dev *dev, int nent,
struct mthca_cq *cq);
void mthca_free_cq(struct mthca_dev *dev,
struct mthca_cq *cq);
-void mthca_cq_event(struct mthca_dev *dev, u32 cqn);
+void mthca_cq_completion(struct mthca_dev *dev, u32 cqn);
+void mthca_cq_event(struct mthca_dev *dev, u32 cqn,
+ enum ib_event_type event_type);
void mthca_cq_clean(struct mthca_dev *dev, u32 cqn, u32 qpn,
struct mthca_srq *srq);
diff --git a/drivers/infiniband/hw/mthca/mthca_eq.c b/drivers/infiniband/hw/mthca/mthca_eq.c
index e5a047a6dbe..34d68e5a72d 100644
--- a/drivers/infiniband/hw/mthca/mthca_eq.c
+++ b/drivers/infiniband/hw/mthca/mthca_eq.c
@@ -292,7 +292,7 @@ static int mthca_eq_int(struct mthca_dev *dev, struct mthca_eq *eq)
case MTHCA_EVENT_TYPE_COMP:
disarm_cqn = be32_to_cpu(eqe->event.comp.cqn) & 0xffffff;
disarm_cq(dev, eq->eqn, disarm_cqn);
- mthca_cq_event(dev, disarm_cqn);
+ mthca_cq_completion(dev, disarm_cqn);
break;
case MTHCA_EVENT_TYPE_PATH_MIG:
@@ -364,6 +364,8 @@ static int mthca_eq_int(struct mthca_dev *dev, struct mthca_eq *eq)
eqe->event.cq_err.syndrome == 1 ?
"overrun" : "access violation",
be32_to_cpu(eqe->event.cq_err.cqn) & 0xffffff);
+ mthca_cq_event(dev, be32_to_cpu(eqe->event.cq_err.cqn),
+ IB_EVENT_CQ_ERR);
break;
case MTHCA_EVENT_TYPE_EQ_OVERFLOW:
diff --git a/drivers/infiniband/hw/mthca/mthca_main.c b/drivers/infiniband/hw/mthca/mthca_main.c
index 883d1e5a79b..45c6328e780 100644
--- a/drivers/infiniband/hw/mthca/mthca_main.c
+++ b/drivers/infiniband/hw/mthca/mthca_main.c
@@ -1057,7 +1057,7 @@ static int __devinit mthca_init_one(struct pci_dev *pdev,
goto err_cmd;
if (mdev->fw_ver < mthca_hca_table[id->driver_data].latest_fw) {
- mthca_warn(mdev, "HCA FW version %x.%x.%x is old (%x.%x.%x is current).\n",
+ mthca_warn(mdev, "HCA FW version %d.%d.%d is old (%d.%d.%d is current).\n",
(int) (mdev->fw_ver >> 32), (int) (mdev->fw_ver >> 16) & 0xffff,
(int) (mdev->fw_ver & 0xffff),
(int) (mthca_hca_table[id->driver_data].latest_fw >> 32),
diff --git a/drivers/infiniband/hw/mthca/mthca_mr.c b/drivers/infiniband/hw/mthca/mthca_mr.c
index 1f97a44477f..e995e2aa016 100644
--- a/drivers/infiniband/hw/mthca/mthca_mr.c
+++ b/drivers/infiniband/hw/mthca/mthca_mr.c
@@ -140,13 +140,11 @@ static int __devinit mthca_buddy_init(struct mthca_buddy *buddy, int max_order)
buddy->max_order = max_order;
spin_lock_init(&buddy->lock);
- buddy->bits = kmalloc((buddy->max_order + 1) * sizeof (long *),
+ buddy->bits = kzalloc((buddy->max_order + 1) * sizeof (long *),
GFP_KERNEL);
if (!buddy->bits)
goto err_out;
- memset(buddy->bits, 0, (buddy->max_order + 1) * sizeof (long *));
-
for (i = 0; i <= buddy->max_order; ++i) {
s = BITS_TO_LONGS(1 << (buddy->max_order - i));
buddy->bits[i] = kmalloc(s * sizeof (long), GFP_KERNEL);
diff --git a/drivers/infiniband/hw/mthca/mthca_profile.c b/drivers/infiniband/hw/mthca/mthca_profile.c
index bd133868207..08a909371b0 100644
--- a/drivers/infiniband/hw/mthca/mthca_profile.c
+++ b/drivers/infiniband/hw/mthca/mthca_profile.c
@@ -82,12 +82,10 @@ u64 mthca_make_profile(struct mthca_dev *dev,
struct mthca_resource tmp;
int i, j;
- profile = kmalloc(MTHCA_RES_NUM * sizeof *profile, GFP_KERNEL);
+ profile = kzalloc(MTHCA_RES_NUM * sizeof *profile, GFP_KERNEL);
if (!profile)
return -ENOMEM;
- memset(profile, 0, MTHCA_RES_NUM * sizeof *profile);
-
profile[MTHCA_RES_QP].size = dev_lim->qpc_entry_sz;
profile[MTHCA_RES_EEC].size = dev_lim->eec_entry_sz;
profile[MTHCA_RES_SRQ].size = dev_lim->srq_entry_sz;
diff --git a/drivers/infiniband/hw/mthca/mthca_provider.c b/drivers/infiniband/hw/mthca/mthca_provider.c
index 1b9477edbd7..6b016666826 100644
--- a/drivers/infiniband/hw/mthca/mthca_provider.c
+++ b/drivers/infiniband/hw/mthca/mthca_provider.c
@@ -1028,7 +1028,7 @@ static ssize_t show_rev(struct class_device *cdev, char *buf)
static ssize_t show_fw_ver(struct class_device *cdev, char *buf)
{
struct mthca_dev *dev = container_of(cdev, struct mthca_dev, ib_dev.class_dev);
- return sprintf(buf, "%x.%x.%x\n", (int) (dev->fw_ver >> 32),
+ return sprintf(buf, "%d.%d.%d\n", (int) (dev->fw_ver >> 32),
(int) (dev->fw_ver >> 16) & 0xffff,
(int) dev->fw_ver & 0xffff);
}
diff --git a/drivers/infiniband/hw/mthca/mthca_qp.c b/drivers/infiniband/hw/mthca/mthca_qp.c
index 7c9afde5ace..8852ea477c2 100644
--- a/drivers/infiniband/hw/mthca/mthca_qp.c
+++ b/drivers/infiniband/hw/mthca/mthca_qp.c
@@ -584,6 +584,13 @@ int mthca_modify_qp(struct ib_qp *ibqp, struct ib_qp_attr *attr, int attr_mask)
return -EINVAL;
}
+ if ((attr_mask & IB_QP_PKEY_INDEX) &&
+ attr->pkey_index >= dev->limits.pkey_table_len) {
+ mthca_dbg(dev, "PKey index (%u) too large. max is %d\n",
+ attr->pkey_index,dev->limits.pkey_table_len-1);
+ return -EINVAL;
+ }
+
mailbox = mthca_alloc_mailbox(dev, GFP_KERNEL);
if (IS_ERR(mailbox))
return PTR_ERR(mailbox);
diff --git a/drivers/infiniband/hw/mthca/mthca_srq.c b/drivers/infiniband/hw/mthca/mthca_srq.c
index 64f70aa1b3c..292f55be8cb 100644
--- a/drivers/infiniband/hw/mthca/mthca_srq.c
+++ b/drivers/infiniband/hw/mthca/mthca_srq.c
@@ -75,15 +75,16 @@ static void *get_wqe(struct mthca_srq *srq, int n)
/*
* Return a pointer to the location within a WQE that we're using as a
- * link when the WQE is in the free list. We use an offset of 4
- * because in the Tavor case, posting a WQE may overwrite the first
- * four bytes of the previous WQE. The offset avoids corrupting our
- * free list if the WQE has already completed and been put on the free
- * list when we post the next WQE.
+ * link when the WQE is in the free list. We use the imm field
+ * because in the Tavor case, posting a WQE may overwrite the next
+ * segment of the previous WQE, but a receive WQE will never touch the
+ * imm field. This avoids corrupting our free list if the previous
+ * WQE has already completed and been put on the free list when we
+ * post the next WQE.
*/
static inline int *wqe_to_link(void *wqe)
{
- return (int *) (wqe + 4);
+ return (int *) (wqe + offsetof(struct mthca_next_seg, imm));
}
static void mthca_tavor_init_srq_context(struct mthca_dev *dev,
diff --git a/drivers/infiniband/ulp/ipoib/ipoib.h b/drivers/infiniband/ulp/ipoib/ipoib.h
index c994a916a58..0095acc0fbb 100644
--- a/drivers/infiniband/ulp/ipoib/ipoib.h
+++ b/drivers/infiniband/ulp/ipoib/ipoib.h
@@ -235,6 +235,7 @@ static inline void ipoib_put_ah(struct ipoib_ah *ah)
kref_put(&ah->ref, ipoib_free_ah);
}
+int ipoib_open(struct net_device *dev);
int ipoib_add_pkey_attr(struct net_device *dev);
void ipoib_send(struct net_device *dev, struct sk_buff *skb,
@@ -267,6 +268,7 @@ int ipoib_mcast_stop_thread(struct net_device *dev, int flush);
void ipoib_mcast_dev_down(struct net_device *dev);
void ipoib_mcast_dev_flush(struct net_device *dev);
+#ifdef CONFIG_INFINIBAND_IPOIB_DEBUG
struct ipoib_mcast_iter *ipoib_mcast_iter_init(struct net_device *dev);
void ipoib_mcast_iter_free(struct ipoib_mcast_iter *iter);
int ipoib_mcast_iter_next(struct ipoib_mcast_iter *iter);
@@ -276,6 +278,7 @@ void ipoib_mcast_iter_read(struct ipoib_mcast_iter *iter,
unsigned int *queuelen,
unsigned int *complete,
unsigned int *send_only);
+#endif
int ipoib_mcast_attach(struct net_device *dev, u16 mlid,
union ib_gid *mgid);
diff --git a/drivers/infiniband/ulp/ipoib/ipoib_ib.c b/drivers/infiniband/ulp/ipoib/ipoib_ib.c
index 192fef884e2..54ef2fea530 100644
--- a/drivers/infiniband/ulp/ipoib/ipoib_ib.c
+++ b/drivers/infiniband/ulp/ipoib/ipoib_ib.c
@@ -486,15 +486,16 @@ int ipoib_ib_dev_stop(struct net_device *dev)
{
struct ipoib_dev_priv *priv = netdev_priv(dev);
struct ib_qp_attr qp_attr;
- int attr_mask;
unsigned long begin;
struct ipoib_tx_buf *tx_req;
int i;
- /* Kill the existing QP and allocate a new one */
+ /*
+ * Move our QP to the error state and then reinitialize in
+ * when all work requests have completed or have been flushed.
+ */
qp_attr.qp_state = IB_QPS_ERR;
- attr_mask = IB_QP_STATE;
- if (ib_modify_qp(priv->qp, &qp_attr, attr_mask))
+ if (ib_modify_qp(priv->qp, &qp_attr, IB_QP_STATE))
ipoib_warn(priv, "Failed to modify QP to ERROR state\n");
/* Wait for all sends and receives to complete */
@@ -541,8 +542,7 @@ int ipoib_ib_dev_stop(struct net_device *dev)
timeout:
qp_attr.qp_state = IB_QPS_RESET;
- attr_mask = IB_QP_STATE;
- if (ib_modify_qp(priv->qp, &qp_attr, attr_mask))
+ if (ib_modify_qp(priv->qp, &qp_attr, IB_QP_STATE))
ipoib_warn(priv, "Failed to modify QP to RESET state\n");
/* Wait for all AHs to be reaped */
@@ -636,7 +636,6 @@ void ipoib_ib_dev_cleanup(struct net_device *dev)
* Bug #2507. This implementation will probably be removed when the P_Key
* change async notification is available.
*/
-int ipoib_open(struct net_device *dev);
static void ipoib_pkey_dev_check_presence(struct net_device *dev)
{
diff --git a/drivers/infiniband/ulp/ipoib/ipoib_main.c b/drivers/infiniband/ulp/ipoib/ipoib_main.c
index cd4f42328db..ce0296273e7 100644
--- a/drivers/infiniband/ulp/ipoib/ipoib_main.c
+++ b/drivers/infiniband/ulp/ipoib/ipoib_main.c
@@ -356,18 +356,15 @@ static struct ipoib_path *path_rec_create(struct net_device *dev,
struct ipoib_dev_priv *priv = netdev_priv(dev);
struct ipoib_path *path;
- path = kmalloc(sizeof *path, GFP_ATOMIC);
+ path = kzalloc(sizeof *path, GFP_ATOMIC);
if (!path)
return NULL;
- path->dev = dev;
- path->pathrec.dlid = 0;
- path->ah = NULL;
+ path->dev = dev;
skb_queue_head_init(&path->queue);
INIT_LIST_HEAD(&path->neigh_list);
- path->query = NULL;
init_completion(&path->done);
memcpy(path->pathrec.dgid.raw, gid->raw, sizeof (union ib_gid));
@@ -551,11 +548,8 @@ static int ipoib_start_xmit(struct sk_buff *skb, struct net_device *dev)
struct ipoib_neigh *neigh;
unsigned long flags;
- local_irq_save(flags);
- if (!spin_trylock(&priv->tx_lock)) {
- local_irq_restore(flags);
+ if (!spin_trylock_irqsave(&priv->tx_lock, flags))
return NETDEV_TX_LOCKED;
- }
/*
* Check if our queue is stopped. Since we have the LLTX bit
@@ -732,25 +726,21 @@ int ipoib_dev_init(struct net_device *dev, struct ib_device *ca, int port)
/* Allocate RX/TX "rings" to hold queued skbs */
- priv->rx_ring = kmalloc(IPOIB_RX_RING_SIZE * sizeof (struct ipoib_rx_buf),
+ priv->rx_ring = kzalloc(IPOIB_RX_RING_SIZE * sizeof (struct ipoib_rx_buf),
GFP_KERNEL);
if (!priv->rx_ring) {
printk(KERN_WARNING "%s: failed to allocate RX ring (%d entries)\n",
ca->name, IPOIB_RX_RING_SIZE);
goto out;
}
- memset(priv->rx_ring, 0,
- IPOIB_RX_RING_SIZE * sizeof (struct ipoib_rx_buf));
- priv->tx_ring = kmalloc(IPOIB_TX_RING_SIZE * sizeof (struct ipoib_tx_buf),
+ priv->tx_ring = kzalloc(IPOIB_TX_RING_SIZE * sizeof (struct ipoib_tx_buf),
GFP_KERNEL);
if (!priv->tx_ring) {
printk(KERN_WARNING "%s: failed to allocate TX ring (%d entries)\n",
ca->name, IPOIB_TX_RING_SIZE);
goto out_rx_ring_cleanup;
}
- memset(priv->tx_ring, 0,
- IPOIB_TX_RING_SIZE * sizeof (struct ipoib_tx_buf));
/* priv->tx_head & tx_tail are already 0 */
@@ -807,10 +797,6 @@ static void ipoib_setup(struct net_device *dev)
dev->watchdog_timeo = HZ;
- dev->rebuild_header = NULL;
- dev->set_mac_address = NULL;
- dev->header_cache_update = NULL;
-
dev->flags |= IFF_BROADCAST | IFF_MULTICAST;
/*
diff --git a/drivers/infiniband/ulp/ipoib/ipoib_multicast.c b/drivers/infiniband/ulp/ipoib/ipoib_multicast.c
index 36ce29836bf..3ecf78a9493 100644
--- a/drivers/infiniband/ulp/ipoib/ipoib_multicast.c
+++ b/drivers/infiniband/ulp/ipoib/ipoib_multicast.c
@@ -135,12 +135,10 @@ static struct ipoib_mcast *ipoib_mcast_alloc(struct net_device *dev,
{
struct ipoib_mcast *mcast;
- mcast = kmalloc(sizeof (*mcast), can_sleep ? GFP_KERNEL : GFP_ATOMIC);
+ mcast = kzalloc(sizeof *mcast, can_sleep ? GFP_KERNEL : GFP_ATOMIC);
if (!mcast)
return NULL;
- memset(mcast, 0, sizeof (*mcast));
-
init_completion(&mcast->done);
mcast->dev = dev;
@@ -919,6 +917,8 @@ void ipoib_mcast_restart_task(void *dev_ptr)
ipoib_mcast_start_thread(dev);
}
+#ifdef CONFIG_INFINIBAND_IPOIB_DEBUG
+
struct ipoib_mcast_iter *ipoib_mcast_iter_init(struct net_device *dev)
{
struct ipoib_mcast_iter *iter;
@@ -991,3 +991,5 @@ void ipoib_mcast_iter_read(struct ipoib_mcast_iter *iter,
*complete = iter->complete;
*send_only = iter->send_only;
}
+
+#endif /* CONFIG_INFINIBAND_IPOIB_DEBUG */
diff --git a/drivers/infiniband/ulp/ipoib/ipoib_verbs.c b/drivers/infiniband/ulp/ipoib/ipoib_verbs.c
index b5902a7ec24..e829e10400e 100644
--- a/drivers/infiniband/ulp/ipoib/ipoib_verbs.c
+++ b/drivers/infiniband/ulp/ipoib/ipoib_verbs.c
@@ -41,7 +41,6 @@ int ipoib_mcast_attach(struct net_device *dev, u16 mlid, union ib_gid *mgid)
{
struct ipoib_dev_priv *priv = netdev_priv(dev);
struct ib_qp_attr *qp_attr;
- int attr_mask;
int ret;
u16 pkey_index;
@@ -59,8 +58,7 @@ int ipoib_mcast_attach(struct net_device *dev, u16 mlid, union ib_gid *mgid)
/* set correct QKey for QP */
qp_attr->qkey = priv->qkey;
- attr_mask = IB_QP_QKEY;
- ret = ib_modify_qp(priv->qp, qp_attr, attr_mask);
+ ret = ib_modify_qp(priv->qp, qp_attr, IB_QP_QKEY);
if (ret) {
ipoib_warn(priv, "failed to modify QP, ret = %d\n", ret);
goto out;
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2024-11-19 21:28:29 +0000