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IB/Verbs: Use management helper rdma_cap_ib_sa()

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Introduce helper rdma_cap_ib_sa() to help us check if the port of an
IB device support Infiniband Subnet Administration.

Signed-off-by: Michael Wang <yun.wang@profitbricks.com>
Reviewed-by: Ira Weiny <ira.weiny@intel.com>
Tested-by: Ira Weiny <ira.weiny@intel.com>
Reviewed-by: Sean Hefty <sean.hefty@intel.com>
Reviewed-by: Jason Gunthorpe <jgunthorpe@obsidianresearch.com>
Tested-by: Doug Ledford <dledford@redhat.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
This commit is contained in:
Michael Wang 2015-05-05 14:50:36 +02:00 committed by Doug Ledford
parent 042153306d
commit fe53ba2f0c
4 changed files with 23 additions and 8 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

4
drivers/infiniband/core/cma.c
View File

@ -940,7 +940,7 @@ static inline int cma_user_data_offset(struct rdma_id_private *id_priv)
static void cma_cancel_route(struct rdma_id_private *id_priv) static void cma_cancel_route(struct rdma_id_private *id_priv)
{ {
if (rdma_protocol_ib(id_priv->id.device, id_priv->id.port_num)) { if (rdma_cap_ib_sa(id_priv->id.device, id_priv->id.port_num)) {
if (id_priv->query) if (id_priv->query)
ib_sa_cancel_query(id_priv->query_id, id_priv->query); ib_sa_cancel_query(id_priv->query_id, id_priv->query);
} }
@ -1964,7 +1964,7 @@ int rdma_resolve_route(struct rdma_cm_id *id, int timeout_ms)
return -EINVAL; return -EINVAL;
atomic_inc(&id_priv->refcount); atomic_inc(&id_priv->refcount);
if (rdma_protocol_ib(id->device, id->port_num)) if (rdma_cap_ib_sa(id->device, id->port_num))
ret = cma_resolve_ib_route(id_priv, timeout_ms); ret = cma_resolve_ib_route(id_priv, timeout_ms);
else if (rdma_protocol_iboe(id->device, id->port_num)) else if (rdma_protocol_iboe(id->device, id->port_num))
ret = cma_resolve_iboe_route(id_priv); ret = cma_resolve_iboe_route(id_priv);

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

@ -450,7 +450,7 @@ static void ib_sa_event(struct ib_event_handler *handler, struct ib_event *event
struct ib_sa_port *port = struct ib_sa_port *port =
&sa_dev->port[event->element.port_num - sa_dev->start_port]; &sa_dev->port[event->element.port_num - sa_dev->start_port];
if (WARN_ON(!rdma_protocol_ib(handler->device, port->port_num))) if (WARN_ON(!rdma_cap_ib_sa(handler->device, port->port_num)))
return; return;
spin_lock_irqsave(&port->ah_lock, flags); spin_lock_irqsave(&port->ah_lock, flags);
@ -1173,7 +1173,7 @@ static void ib_sa_add_one(struct ib_device *device)
for (i = 0; i <= e - s; ++i) { for (i = 0; i <= e - s; ++i) {
spin_lock_init(&sa_dev->port[i].ah_lock); spin_lock_init(&sa_dev->port[i].ah_lock);
if (!rdma_protocol_ib(device, i + 1)) if (!rdma_cap_ib_sa(device, i + 1))
continue; continue;
sa_dev->port[i].sm_ah = NULL; sa_dev->port[i].sm_ah = NULL;
@ -1208,7 +1208,7 @@ static void ib_sa_add_one(struct ib_device *device)
goto err; goto err;
for (i = 0; i <= e - s; ++i) { for (i = 0; i <= e - s; ++i) {
if (rdma_protocol_ib(device, i + 1)) if (rdma_cap_ib_sa(device, i + 1))
update_sm_ah(&sa_dev->port[i].update_task); update_sm_ah(&sa_dev->port[i].update_task);
} }
@ -1216,7 +1216,7 @@ static void ib_sa_add_one(struct ib_device *device)
err: err:
while (--i >= 0) { while (--i >= 0) {
if (rdma_protocol_ib(device, i + 1)) if (rdma_cap_ib_sa(device, i + 1))
ib_unregister_mad_agent(sa_dev->port[i].agent); ib_unregister_mad_agent(sa_dev->port[i].agent);
} }
free: free:
@ -1237,7 +1237,7 @@ static void ib_sa_remove_one(struct ib_device *device)
flush_workqueue(ib_wq); flush_workqueue(ib_wq);
for (i = 0; i <= sa_dev->end_port - sa_dev->start_port; ++i) { for (i = 0; i <= sa_dev->end_port - sa_dev->start_port; ++i) {
if (rdma_protocol_ib(device, i + 1)) { if (rdma_cap_ib_sa(device, i + 1)) {
ib_unregister_mad_agent(sa_dev->port[i].agent); ib_unregister_mad_agent(sa_dev->port[i].agent);
if (sa_dev->port[i].sm_ah) if (sa_dev->port[i].sm_ah)
kref_put(&sa_dev->port[i].sm_ah->ref, free_sm_ah); kref_put(&sa_dev->port[i].sm_ah->ref, free_sm_ah);

2
drivers/infiniband/core/ucma.c
View File

@ -723,7 +723,7 @@ static ssize_t ucma_query_route(struct ucma_file *file,
resp.node_guid = (__force __u64) ctx->cm_id->device->node_guid; resp.node_guid = (__force __u64) ctx->cm_id->device->node_guid;
resp.port_num = ctx->cm_id->port_num; resp.port_num = ctx->cm_id->port_num;
if (rdma_protocol_ib(ctx->cm_id->device, ctx->cm_id->port_num)) if (rdma_cap_ib_sa(ctx->cm_id->device, ctx->cm_id->port_num))
ucma_copy_ib_route(&resp, &ctx->cm_id->route); ucma_copy_ib_route(&resp, &ctx->cm_id->route);
else if (rdma_protocol_iboe(ctx->cm_id->device, ctx->cm_id->port_num)) else if (rdma_protocol_iboe(ctx->cm_id->device, ctx->cm_id->port_num))
ucma_copy_iboe_route(&resp, &ctx->cm_id->route); ucma_copy_iboe_route(&resp, &ctx->cm_id->route);

15
include/rdma/ib_verbs.h
View File

@ -1834,6 +1834,21 @@ static inline bool rdma_cap_iw_cm(struct ib_device *device, u8 port_num)
return rdma_protocol_iwarp(device, port_num); return rdma_protocol_iwarp(device, port_num);
} }
/**
* rdma_cap_ib_sa - Check if the port of device has the capability Infiniband
* Subnet Administration.
*
* @device: Device to be checked
* @port_num: Port number of the device
*
* Return false when port of the device don't support Infiniband
* Subnet Administration.
*/
static inline bool rdma_cap_ib_sa(struct ib_device *device, u8 port_num)
{
return rdma_protocol_ib(device, port_num);
}
int ib_query_gid(struct ib_device *device, int ib_query_gid(struct ib_device *device,
u8 port_num, int index, union ib_gid *gid); u8 port_num, int index, union ib_gid *gid);