diff mbox

[v4,04/27] IB/Verbs: Reform IB-core cm

Message ID 552F6D67.1070509@profitbricks.com (mailing list archive)
State Rejected
Headers show

Commit Message

Michael Wang April 16, 2015, 8:05 a.m. UTC
Use raw management helpers to reform IB-core cm.

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/cm.c | 22 +++++++++++++++++++---
 1 file changed, 19 insertions(+), 3 deletions(-)

Comments

Hal Rosenstock April 16, 2015, 12:43 p.m. UTC | #1
On 4/16/2015 4:05 AM, Michael Wang wrote:
> 
> Use raw management helpers to reform IB-core cm.
> 
> 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/cm.c | 22 +++++++++++++++++++---
>  1 file changed, 19 insertions(+), 3 deletions(-)
> 
> diff --git a/drivers/infiniband/core/cm.c b/drivers/infiniband/core/cm.c
> index e28a494..50321fe 100644
> --- a/drivers/infiniband/core/cm.c
> +++ b/drivers/infiniband/core/cm.c
> @@ -3761,9 +3761,7 @@ static void cm_add_one(struct ib_device *ib_device)
>  	unsigned long flags;
>  	int ret;
>  	u8 i;
> -
> -	if (rdma_node_get_transport(ib_device->node_type) != RDMA_TRANSPORT_IB)
> -		return;
> +	int count = 0;
>  
>  	cm_dev = kzalloc(sizeof(*cm_dev) + sizeof(*port) *
>  			 ib_device->phys_port_cnt, GFP_KERNEL);
> @@ -3783,6 +3781,9 @@ static void cm_add_one(struct ib_device *ib_device)
>  
>  	set_bit(IB_MGMT_METHOD_SEND, reg_req.method_mask);
>  	for (i = 1; i <= ib_device->phys_port_cnt; i++) {
> +		if (!rdma_ib_or_iboe(ib_device, i))
> +			continue;
> +
>  		port = kzalloc(sizeof *port, GFP_KERNEL);
>  		if (!port)
>  			goto error1;
> @@ -3809,7 +3810,16 @@ static void cm_add_one(struct ib_device *ib_device)
>  		ret = ib_modify_port(ib_device, i, 0, &port_modify);
>  		if (ret)
>  			goto error3;
> +
> +		count++;
>  	}
> +
> +	if (!count) {
> +		device_unregister(cm_dev->device);
> +		kfree(cm_dev);
> +		return;

Nit: alternatively, this could be goto at end of this routine where
there is same 2 calls. I think Jason made this comment on earlier set of
these patches.

-- Hal

> +	}
> +
>  	ib_set_client_data(ib_device, &cm_client, cm_dev);
>  
>  	write_lock_irqsave(&cm.device_lock, flags);
> @@ -3825,6 +3835,9 @@ error1:
>  	port_modify.set_port_cap_mask = 0;
>  	port_modify.clr_port_cap_mask = IB_PORT_CM_SUP;
>  	while (--i) {
> +		if (!rdma_ib_or_iboe(ib_device, i))
> +			continue;
> +
>  		port = cm_dev->port[i-1];
>  		ib_modify_port(ib_device, port->port_num, 0, &port_modify);
>  		ib_unregister_mad_agent(port->mad_agent);
> @@ -3853,6 +3866,9 @@ static void cm_remove_one(struct ib_device *ib_device)
>  	write_unlock_irqrestore(&cm.device_lock, flags);
>  
>  	for (i = 1; i <= ib_device->phys_port_cnt; i++) {
> +		if (!rdma_ib_or_iboe(ib_device, i))
> +			continue;
> +
>  		port = cm_dev->port[i-1];
>  		ib_modify_port(ib_device, port->port_num, 0, &port_modify);
>  		ib_unregister_mad_agent(port->mad_agent);

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Michael Wang April 16, 2015, 12:55 p.m. UTC | #2
On 04/16/2015 02:43 PM, Hal Rosenstock wrote:
[snip]
>> +
>> +		count++;
>>  	}
>> +
>> +	if (!count) {
>> +		device_unregister(cm_dev->device);
>> +		kfree(cm_dev);
>> +		return;
> 
> Nit: alternatively, this could be goto at end of this routine where
> there is same 2 calls. I think Jason made this comment on earlier set of
> these patches.

Thanks for the notify, I guess I missed it, my bad :-P

Will be "goto free" in next version.

Regards,
Michael Wang

> 
> -- Hal
> 
>> +	}
>> +
>>  	ib_set_client_data(ib_device, &cm_client, cm_dev);
>>  
>>  	write_lock_irqsave(&cm.device_lock, flags);
>> @@ -3825,6 +3835,9 @@ error1:
>>  	port_modify.set_port_cap_mask = 0;
>>  	port_modify.clr_port_cap_mask = IB_PORT_CM_SUP;
>>  	while (--i) {
>> +		if (!rdma_ib_or_iboe(ib_device, i))
>> +			continue;
>> +
>>  		port = cm_dev->port[i-1];
>>  		ib_modify_port(ib_device, port->port_num, 0, &port_modify);
>>  		ib_unregister_mad_agent(port->mad_agent);
>> @@ -3853,6 +3866,9 @@ static void cm_remove_one(struct ib_device *ib_device)
>>  	write_unlock_irqrestore(&cm.device_lock, flags);
>>  
>>  	for (i = 1; i <= ib_device->phys_port_cnt; i++) {
>> +		if (!rdma_ib_or_iboe(ib_device, i))
>> +			continue;
>> +
>>  		port = cm_dev->port[i-1];
>>  		ib_modify_port(ib_device, port->port_num, 0, &port_modify);
>>  		ib_unregister_mad_agent(port->mad_agent);
> 
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diff mbox

Patch

diff --git a/drivers/infiniband/core/cm.c b/drivers/infiniband/core/cm.c
index e28a494..50321fe 100644
--- a/drivers/infiniband/core/cm.c
+++ b/drivers/infiniband/core/cm.c
@@ -3761,9 +3761,7 @@  static void cm_add_one(struct ib_device *ib_device)
 	unsigned long flags;
 	int ret;
 	u8 i;
-
-	if (rdma_node_get_transport(ib_device->node_type) != RDMA_TRANSPORT_IB)
-		return;
+	int count = 0;
 
 	cm_dev = kzalloc(sizeof(*cm_dev) + sizeof(*port) *
 			 ib_device->phys_port_cnt, GFP_KERNEL);
@@ -3783,6 +3781,9 @@  static void cm_add_one(struct ib_device *ib_device)
 
 	set_bit(IB_MGMT_METHOD_SEND, reg_req.method_mask);
 	for (i = 1; i <= ib_device->phys_port_cnt; i++) {
+		if (!rdma_ib_or_iboe(ib_device, i))
+			continue;
+
 		port = kzalloc(sizeof *port, GFP_KERNEL);
 		if (!port)
 			goto error1;
@@ -3809,7 +3810,16 @@  static void cm_add_one(struct ib_device *ib_device)
 		ret = ib_modify_port(ib_device, i, 0, &port_modify);
 		if (ret)
 			goto error3;
+
+		count++;
 	}
+
+	if (!count) {
+		device_unregister(cm_dev->device);
+		kfree(cm_dev);
+		return;
+	}
+
 	ib_set_client_data(ib_device, &cm_client, cm_dev);
 
 	write_lock_irqsave(&cm.device_lock, flags);
@@ -3825,6 +3835,9 @@  error1:
 	port_modify.set_port_cap_mask = 0;
 	port_modify.clr_port_cap_mask = IB_PORT_CM_SUP;
 	while (--i) {
+		if (!rdma_ib_or_iboe(ib_device, i))
+			continue;
+
 		port = cm_dev->port[i-1];
 		ib_modify_port(ib_device, port->port_num, 0, &port_modify);
 		ib_unregister_mad_agent(port->mad_agent);
@@ -3853,6 +3866,9 @@  static void cm_remove_one(struct ib_device *ib_device)
 	write_unlock_irqrestore(&cm.device_lock, flags);
 
 	for (i = 1; i <= ib_device->phys_port_cnt; i++) {
+		if (!rdma_ib_or_iboe(ib_device, i))
+			continue;
+
 		port = cm_dev->port[i-1];
 		ib_modify_port(ib_device, port->port_num, 0, &port_modify);
 		ib_unregister_mad_agent(port->mad_agent);