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Merge branch 'for-linus' of master.kernel.org:/pub/scm/linux/kernel/git/roland/infiniband

This commit is contained in:
Linus Torvalds 2005-11-04 16:31:54 -08:00
parent 602d4a7e2f d09e327641
commit ba77df570c
25 changed files with 178 additions and 124 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

3
drivers/infiniband/core/agent.c
View File

@ -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,

6
drivers/infiniband/core/cm.c
View File

@ -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,

10
drivers/infiniband/core/device.c
View File

@ -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);

31
drivers/infiniband/core/mad.c
View File

@ -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);

6
drivers/infiniband/core/sysfs.c
View File

@ -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;

9
drivers/infiniband/core/ucm.c
View File

@ -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);

78
drivers/infiniband/core/user_mad.c
View File

@ -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);
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);
}

1
drivers/infiniband/core/uverbs.h
View File

@ -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;

1
drivers/infiniband/core/uverbs_cmd.c
View File

@ -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);

11
drivers/infiniband/core/uverbs_main.c
View File

@ -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;
uobj = container_of(event->element.cq->uobject,
struct ib_ucq_object *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);

31
drivers/infiniband/hw/mthca/mthca_cq.c
View File

@ -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)
{

4
drivers/infiniband/hw/mthca/mthca_dev.h
View File

@ -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);

4
drivers/infiniband/hw/mthca/mthca_eq.c
View File

@ -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:

2
drivers/infiniband/hw/mthca/mthca_main.c
View File

@ -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),

4
drivers/infiniband/hw/mthca/mthca_mr.c
View File

@ -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);

4
drivers/infiniband/hw/mthca/mthca_profile.c
View File

@ -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;

2
drivers/infiniband/hw/mthca/mthca_provider.c
View File

@ -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);
}

7
drivers/infiniband/hw/mthca/mthca_qp.c
View File

@ -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);

13
drivers/infiniband/hw/mthca/mthca_srq.c
View File

@ -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,

3
drivers/infiniband/ulp/ipoib/ipoib.h
View File

@ -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);

13
drivers/infiniband/ulp/ipoib/ipoib_ib.c
View File

@ -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)
{

22
drivers/infiniband/ulp/ipoib/ipoib_main.c
View File

@ -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;
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;
/*

8
drivers/infiniband/ulp/ipoib/ipoib_multicast.c
View File

@ -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 */

4
drivers/infiniband/ulp/ipoib/ipoib_verbs.c
View File

@ -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;

19
include/rdma/ib_user_cm.h
View File

@ -38,7 +38,7 @@
#include <linux/types.h>
#define IB_USER_CM_ABI_VERSION 3
#define IB_USER_CM_ABI_VERSION 4
enum {
IB_USER_CM_CMD_CREATE_ID,
@ -84,6 +84,7 @@ struct ib_ucm_create_id_resp {
struct ib_ucm_destroy_id {
__u64 response;
__u32 id;
__u32 reserved;
};
struct ib_ucm_destroy_id_resp {
@ -93,6 +94,7 @@ struct ib_ucm_destroy_id_resp {
struct ib_ucm_attr_id {
__u64 response;
__u32 id;
__u32 reserved;
};
struct ib_ucm_attr_id_resp {
@ -164,6 +166,7 @@ struct ib_ucm_listen {
__be64 service_id;
__be64 service_mask;
__u32 id;
__u32 reserved;
};
struct ib_ucm_establish {
@ -219,7 +222,7 @@ struct ib_ucm_req {
__u8 rnr_retry_count;
__u8 max_cm_retries;
__u8 srq;
__u8 reserved[1];
__u8 reserved[5];
};
struct ib_ucm_rep {
@ -236,6 +239,7 @@ struct ib_ucm_rep {
__u8 flow_control;
__u8 rnr_retry_count;
__u8 srq;
__u8 reserved[4];
};
struct ib_ucm_info {
@ -245,7 +249,7 @@ struct ib_ucm_info {
__u64 data;
__u8 info_len;
__u8 data_len;
__u8 reserved[2];
__u8 reserved[6];
};
struct ib_ucm_mra {
@ -273,6 +277,7 @@ struct ib_ucm_sidr_req {
__u16 pkey;
__u8 len;
__u8 max_cm_retries;
__u8 reserved[4];
};
struct ib_ucm_sidr_rep {
@ -284,7 +289,7 @@ struct ib_ucm_sidr_rep {
__u64 data;
__u8 info_len;
__u8 data_len;
__u8 reserved[2];
__u8 reserved[6];
};
/*
* event notification ABI structures.
@ -295,7 +300,7 @@ struct ib_ucm_event_get {
__u64 info;
__u8 data_len;
__u8 info_len;
__u8 reserved[2];
__u8 reserved[6];
};
struct ib_ucm_req_event_resp {
@ -315,6 +320,7 @@ struct ib_ucm_req_event_resp {
__u8 rnr_retry_count;
__u8 srq;
__u8 port;
__u8 reserved[7];
};
struct ib_ucm_rep_event_resp {
@ -329,7 +335,7 @@ struct ib_ucm_rep_event_resp {
__u8 flow_control;
__u8 rnr_retry_count;
__u8 srq;
__u8 reserved[1];
__u8 reserved[5];
};
struct ib_ucm_rej_event_resp {
@ -374,6 +380,7 @@ struct ib_ucm_event_resp {
__u32 id;
__u32 event;
__u32 present;
__u32 reserved;
union {
struct ib_ucm_req_event_resp req_resp;
struct ib_ucm_rep_event_resp rep_resp;