diff mbox

[v4,20/27] IB/Verbs: Use management helper cap_ib_sa()

Message ID 552F6EFE.70500@profitbricks.com (mailing list archive)
State Rejected
Headers show

Commit Message

Michael Wang April 16, 2015, 8:12 a.m. UTC
Introduce helper cap_ib_sa() to help us check if the port of an
IB device support Infiniband Subnet Administrator.

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

Hal Rosenstock April 16, 2015, 1:36 p.m. UTC | #1
On 4/16/2015 4:12 AM, Michael Wang wrote:
> 
> Introduce helper cap_ib_sa() to help us check if the port of an
> IB device support Infiniband Subnet Administrator.

Nit: Administrator -> Administration

> 
> 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(-)
> 
> diff --git a/drivers/infiniband/core/cma.c b/drivers/infiniband/core/cma.c
> index a6f1526..094816f 100644
> --- a/drivers/infiniband/core/cma.c
> +++ b/drivers/infiniband/core/cma.c
> @@ -955,7 +955,7 @@ 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);
>  	}
> @@ -1979,7 +1979,7 @@ 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 803ccf7..fc7e161 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;
> @@ -1210,7 +1210,7 @@ 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);
>  	}
>  
> @@ -1218,7 +1218,7 @@ 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);
>  	}
>  
> @@ -1240,7 +1240,7 @@ 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..3bfdf81 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 Administrator.

Nit: Administrator -> 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 Administrator.

Nit: Administrator -> 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);
>  

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Michael Wang April 16, 2015, 1:38 p.m. UTC | #2
On 04/16/2015 03:36 PM, Hal Rosenstock wrote:
> On 4/16/2015 4:12 AM, Michael Wang wrote:
>>
>> Introduce helper cap_ib_sa() to help us check if the port of an
>> IB device support Infiniband Subnet Administrator.
> 
> Nit: Administrator -> Administration

Will be in next version :-)

Regards,
Michael Wang

> 
>>
>> 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(-)
>>
>> diff --git a/drivers/infiniband/core/cma.c b/drivers/infiniband/core/cma.c
>> index a6f1526..094816f 100644
>> --- a/drivers/infiniband/core/cma.c
>> +++ b/drivers/infiniband/core/cma.c
>> @@ -955,7 +955,7 @@ 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);
>>  	}
>> @@ -1979,7 +1979,7 @@ 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 803ccf7..fc7e161 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;
>> @@ -1210,7 +1210,7 @@ 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);
>>  	}
>>  
>> @@ -1218,7 +1218,7 @@ 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);
>>  	}
>>  
>> @@ -1240,7 +1240,7 @@ 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..3bfdf81 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 Administrator.
> 
> Nit: Administrator -> 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 Administrator.
> 
> Nit: Administrator -> 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);
>>  
> 
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diff mbox

Patch

diff --git a/drivers/infiniband/core/cma.c b/drivers/infiniband/core/cma.c
index a6f1526..094816f 100644
--- a/drivers/infiniband/core/cma.c
+++ b/drivers/infiniband/core/cma.c
@@ -955,7 +955,7 @@  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);
 	}
@@ -1979,7 +1979,7 @@  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 803ccf7..fc7e161 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;
@@ -1210,7 +1210,7 @@  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);
 	}
 
@@ -1218,7 +1218,7 @@  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);
 	}
 
@@ -1240,7 +1240,7 @@  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..3bfdf81 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 Administrator.
+ *
+ * @device: Device to be checked
+ * @port_num: Port number of the device
+ *
+ * Return 0 when port of the device don't support Infiniband
+ * Subnet Administrator.
+ */
+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);