diff mbox

[v5,20/27] IB/Verbs: Use management helper cap_ib_sa()

Message ID 5534BB92.2000401@profitbricks.com (mailing list archive)
State Rejected
Headers show

Commit Message

Michael Wang April 20, 2015, 8:40 a.m. UTC
Introduce helper cap_ib_sa() to help us check if the port of an
IB device support Infiniband Subnet Administration.

Cc: Hal Rosenstock <hal@dev.mellanox.co.il>
Cc: Steve Wise <swise@opengridcomputing.com>
Cc: Tom Talpey <tom@talpey.com>
Cc: Jason Gunthorpe <jgunthorpe@obsidianresearch.com>
Cc: Doug Ledford <dledford@redhat.com>
Cc: Ira Weiny <ira.weiny@intel.com>
Cc: Sean Hefty <sean.hefty@intel.com>
Signed-off-by: Michael Wang <yun.wang@profitbricks.com>
---
 drivers/infiniband/core/cma.c      |  4 ++--
 drivers/infiniband/core/sa_query.c | 10 +++++-----
 drivers/infiniband/core/ucma.c     |  2 +-
 include/rdma/ib_verbs.h            | 15 +++++++++++++++
 4 files changed, 23 insertions(+), 8 deletions(-)

Comments

Ira Weiny April 22, 2015, 12:10 a.m. UTC | #1
On Mon, Apr 20, 2015 at 10:40:50AM +0200, Michael Wang wrote:
> 
> Introduce helper cap_ib_sa() to help us check if the port of an
> IB device support Infiniband Subnet Administration.
> 
> Cc: Hal Rosenstock <hal@dev.mellanox.co.il>
> Cc: Steve Wise <swise@opengridcomputing.com>
> Cc: Tom Talpey <tom@talpey.com>
> Cc: Jason Gunthorpe <jgunthorpe@obsidianresearch.com>
> Cc: Doug Ledford <dledford@redhat.com>
> Cc: Ira Weiny <ira.weiny@intel.com>
> Cc: Sean Hefty <sean.hefty@intel.com>
> Signed-off-by: Michael Wang <yun.wang@profitbricks.com>

Reviewed-by: Ira Weiny <ira.weiny@intel.com>

> ---
>  drivers/infiniband/core/cma.c      |  4 ++--
>  drivers/infiniband/core/sa_query.c | 10 +++++-----
>  drivers/infiniband/core/ucma.c     |  2 +-
>  include/rdma/ib_verbs.h            | 15 +++++++++++++++
>  4 files changed, 23 insertions(+), 8 deletions(-)
> 
> diff --git a/drivers/infiniband/core/cma.c b/drivers/infiniband/core/cma.c
> index dd37b4a..b92f81b 100644
> --- a/drivers/infiniband/core/cma.c
> +++ b/drivers/infiniband/core/cma.c
> @@ -954,7 +954,7 @@ static inline int cma_user_data_offset(struct rdma_id_private *id_priv)
>  
>  static void cma_cancel_route(struct rdma_id_private *id_priv)
>  {
> -	if (rdma_tech_ib(id_priv->id.device, id_priv->id.port_num)) {
> +	if (cap_ib_sa(id_priv->id.device, id_priv->id.port_num)) {
>  		if (id_priv->query)
>  			ib_sa_cancel_query(id_priv->query_id, id_priv->query);
>  	}
> @@ -1978,7 +1978,7 @@ int rdma_resolve_route(struct rdma_cm_id *id, int timeout_ms)
>  		return -EINVAL;
>  
>  	atomic_inc(&id_priv->refcount);
> -	if (rdma_tech_ib(id->device, id->port_num))
> +	if (cap_ib_sa(id->device, id->port_num))
>  		ret = cma_resolve_ib_route(id_priv, timeout_ms);
>  	else if (rdma_tech_iboe(id->device, id->port_num))
>  		ret = cma_resolve_iboe_route(id_priv);
> diff --git a/drivers/infiniband/core/sa_query.c b/drivers/infiniband/core/sa_query.c
> index 60dc7aa..f14a66f 100644
> --- a/drivers/infiniband/core/sa_query.c
> +++ b/drivers/infiniband/core/sa_query.c
> @@ -450,7 +450,7 @@ static void ib_sa_event(struct ib_event_handler *handler, struct ib_event *event
>  		struct ib_sa_port *port =
>  			&sa_dev->port[event->element.port_num - sa_dev->start_port];
>  
> -		if (WARN_ON(!rdma_tech_ib(handler->device, port->port_num)))
> +		if (WARN_ON(!cap_ib_sa(handler->device, port->port_num)))
>  			return;
>  
>  		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) {
>  		spin_lock_init(&sa_dev->port[i].ah_lock);
> -		if (!rdma_tech_ib(device, i + 1))
> +		if (!cap_ib_sa(device, i + 1))
>  			continue;
>  
>  		sa_dev->port[i].sm_ah    = NULL;
> @@ -1208,7 +1208,7 @@ static void ib_sa_add_one(struct ib_device *device)
>  		goto err;
>  
>  	for (i = 0; i <= e - s; ++i) {
> -		if (rdma_tech_ib(device, i + 1))
> +		if (cap_ib_sa(device, i + 1))
>  			update_sm_ah(&sa_dev->port[i].update_task);
>  	}
>  
> @@ -1216,7 +1216,7 @@ static void ib_sa_add_one(struct ib_device *device)
>  
>  err:
>  	while (--i >= 0) {
> -		if (rdma_tech_ib(device, i + 1))
> +		if (cap_ib_sa(device, i + 1))
>  			ib_unregister_mad_agent(sa_dev->port[i].agent);
>  	}
>  
> @@ -1238,7 +1238,7 @@ static void ib_sa_remove_one(struct ib_device *device)
>  	flush_workqueue(ib_wq);
>  
>  	for (i = 0; i <= sa_dev->end_port - sa_dev->start_port; ++i) {
> -		if (rdma_tech_ib(device, i + 1)) {
> +		if (cap_ib_sa(device, i + 1)) {
>  			ib_unregister_mad_agent(sa_dev->port[i].agent);
>  			if (sa_dev->port[i].sm_ah)
>  				kref_put(&sa_dev->port[i].sm_ah->ref, free_sm_ah);
> diff --git a/drivers/infiniband/core/ucma.c b/drivers/infiniband/core/ucma.c
> index 7331c6c..bed7957 100644
> --- a/drivers/infiniband/core/ucma.c
> +++ b/drivers/infiniband/core/ucma.c
> @@ -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.port_num = ctx->cm_id->port_num;
>  
> -	if (rdma_tech_ib(ctx->cm_id->device, ctx->cm_id->port_num))
> +	if (cap_ib_sa(ctx->cm_id->device, ctx->cm_id->port_num))
>  		ucma_copy_ib_route(&resp, &ctx->cm_id->route);
>  	else if (rdma_tech_iboe(ctx->cm_id->device, ctx->cm_id->port_num))
>  		ucma_copy_iboe_route(&resp, &ctx->cm_id->route);
> diff --git a/include/rdma/ib_verbs.h b/include/rdma/ib_verbs.h
> index e4999f6..de3a168 100644
> --- a/include/rdma/ib_verbs.h
> +++ b/include/rdma/ib_verbs.h
> @@ -1833,6 +1833,21 @@ static inline int cap_iw_cm(struct ib_device *device, u8 port_num)
>  	return rdma_tech_iwarp(device, port_num);
>  }
>  
> +/**
> + * 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 0 when port of the device don't support Infiniband
> + * Subnet Administration.
> + */
> +static inline int cap_ib_sa(struct ib_device *device, u8 port_num)
> +{
> +	return rdma_tech_ib(device, port_num);
> +}
> +
>  int ib_query_gid(struct ib_device *device,
>  		 u8 port_num, int index, union ib_gid *gid);
>  
> -- 
> 2.1.0
--
To unsubscribe from this list: send the line "unsubscribe linux-rdma" in
the body of a message to majordomo@vger.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
diff mbox

Patch

diff --git a/drivers/infiniband/core/cma.c b/drivers/infiniband/core/cma.c
index dd37b4a..b92f81b 100644
--- a/drivers/infiniband/core/cma.c
+++ b/drivers/infiniband/core/cma.c
@@ -954,7 +954,7 @@  static inline int cma_user_data_offset(struct rdma_id_private *id_priv)
 
 static void cma_cancel_route(struct rdma_id_private *id_priv)
 {
-	if (rdma_tech_ib(id_priv->id.device, id_priv->id.port_num)) {
+	if (cap_ib_sa(id_priv->id.device, id_priv->id.port_num)) {
 		if (id_priv->query)
 			ib_sa_cancel_query(id_priv->query_id, id_priv->query);
 	}
@@ -1978,7 +1978,7 @@  int rdma_resolve_route(struct rdma_cm_id *id, int timeout_ms)
 		return -EINVAL;
 
 	atomic_inc(&id_priv->refcount);
-	if (rdma_tech_ib(id->device, id->port_num))
+	if (cap_ib_sa(id->device, id->port_num))
 		ret = cma_resolve_ib_route(id_priv, timeout_ms);
 	else if (rdma_tech_iboe(id->device, id->port_num))
 		ret = cma_resolve_iboe_route(id_priv);
diff --git a/drivers/infiniband/core/sa_query.c b/drivers/infiniband/core/sa_query.c
index 60dc7aa..f14a66f 100644
--- a/drivers/infiniband/core/sa_query.c
+++ b/drivers/infiniband/core/sa_query.c
@@ -450,7 +450,7 @@  static void ib_sa_event(struct ib_event_handler *handler, struct ib_event *event
 		struct ib_sa_port *port =
 			&sa_dev->port[event->element.port_num - sa_dev->start_port];
 
-		if (WARN_ON(!rdma_tech_ib(handler->device, port->port_num)))
+		if (WARN_ON(!cap_ib_sa(handler->device, port->port_num)))
 			return;
 
 		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) {
 		spin_lock_init(&sa_dev->port[i].ah_lock);
-		if (!rdma_tech_ib(device, i + 1))
+		if (!cap_ib_sa(device, i + 1))
 			continue;
 
 		sa_dev->port[i].sm_ah    = NULL;
@@ -1208,7 +1208,7 @@  static void ib_sa_add_one(struct ib_device *device)
 		goto err;
 
 	for (i = 0; i <= e - s; ++i) {
-		if (rdma_tech_ib(device, i + 1))
+		if (cap_ib_sa(device, i + 1))
 			update_sm_ah(&sa_dev->port[i].update_task);
 	}
 
@@ -1216,7 +1216,7 @@  static void ib_sa_add_one(struct ib_device *device)
 
 err:
 	while (--i >= 0) {
-		if (rdma_tech_ib(device, i + 1))
+		if (cap_ib_sa(device, i + 1))
 			ib_unregister_mad_agent(sa_dev->port[i].agent);
 	}
 
@@ -1238,7 +1238,7 @@  static void ib_sa_remove_one(struct ib_device *device)
 	flush_workqueue(ib_wq);
 
 	for (i = 0; i <= sa_dev->end_port - sa_dev->start_port; ++i) {
-		if (rdma_tech_ib(device, i + 1)) {
+		if (cap_ib_sa(device, i + 1)) {
 			ib_unregister_mad_agent(sa_dev->port[i].agent);
 			if (sa_dev->port[i].sm_ah)
 				kref_put(&sa_dev->port[i].sm_ah->ref, free_sm_ah);
diff --git a/drivers/infiniband/core/ucma.c b/drivers/infiniband/core/ucma.c
index 7331c6c..bed7957 100644
--- a/drivers/infiniband/core/ucma.c
+++ b/drivers/infiniband/core/ucma.c
@@ -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.port_num = ctx->cm_id->port_num;
 
-	if (rdma_tech_ib(ctx->cm_id->device, ctx->cm_id->port_num))
+	if (cap_ib_sa(ctx->cm_id->device, ctx->cm_id->port_num))
 		ucma_copy_ib_route(&resp, &ctx->cm_id->route);
 	else if (rdma_tech_iboe(ctx->cm_id->device, ctx->cm_id->port_num))
 		ucma_copy_iboe_route(&resp, &ctx->cm_id->route);
diff --git a/include/rdma/ib_verbs.h b/include/rdma/ib_verbs.h
index e4999f6..de3a168 100644
--- a/include/rdma/ib_verbs.h
+++ b/include/rdma/ib_verbs.h
@@ -1833,6 +1833,21 @@  static inline int cap_iw_cm(struct ib_device *device, u8 port_num)
 	return rdma_tech_iwarp(device, port_num);
 }
 
+/**
+ * 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 0 when port of the device don't support Infiniband
+ * Subnet Administration.
+ */
+static inline int cap_ib_sa(struct ib_device *device, u8 port_num)
+{
+	return rdma_tech_ib(device, port_num);
+}
+
 int ib_query_gid(struct ib_device *device,
 		 u8 port_num, int index, union ib_gid *gid);