diff mbox series

[04/10] vdpa/sfc: get device supported max queue count

Message ID 20210706164418.32615-5-vsrivast@xilinx.com (mailing list archive)
State Changes Requested, archived
Delegated to: Maxime Coquelin
Headers
Series vdpa/sfc: introduce Xilinx vDPA driver |

Checks

Context Check Description
ci/checkpatch success coding style OK

Commit Message

Vijay Srivastava July 6, 2021, 4:44 p.m. UTC 
  From: Vijay Kumar Srivastava <vsrivast@xilinx.com>

Implement vDPA ops get_queue_num to get the maximum number
of queues supported by the device.

Signed-off-by: Vijay Kumar Srivastava <vsrivast@xilinx.com>
---
 drivers/vdpa/sfc/sfc_vdpa_ops.c | 16 +++++++++++++---
 1 file changed, 13 insertions(+), 3 deletions(-)

Comments

Maxime Coquelin Aug. 30, 2021, 9:35 a.m. UTC | #1 
On 7/6/21 6:44 PM, Vijay Srivastava wrote:
> From: Vijay Kumar Srivastava <vsrivast@xilinx.com>
> 
> Implement vDPA ops get_queue_num to get the maximum number
> of queues supported by the device.
> 
> Signed-off-by: Vijay Kumar Srivastava <vsrivast@xilinx.com>
> ---
>  drivers/vdpa/sfc/sfc_vdpa_ops.c | 16 +++++++++++++---
>  1 file changed, 13 insertions(+), 3 deletions(-)
> 

Reviewed-by: Maxime Coquelin <maxime.coquelin@redhat.com>

Thanks,
Maxime
diff mbox series

Patch

diff --git a/drivers/vdpa/sfc/sfc_vdpa_ops.c b/drivers/vdpa/sfc/sfc_vdpa_ops.c
index 5750944..6c702e1 100644
--- a/drivers/vdpa/sfc/sfc_vdpa_ops.c
+++ b/drivers/vdpa/sfc/sfc_vdpa_ops.c
@@ -31,10 +31,20 @@ 
 static int
 sfc_vdpa_get_queue_num(struct rte_vdpa_device *vdpa_dev, uint32_t *queue_num)
 {
-	RTE_SET_USED(vdpa_dev);
-	RTE_SET_USED(queue_num);
+	struct sfc_vdpa_ops_data *ops_data;
+	void *dev;
 
-	return -1;
+	ops_data = sfc_vdpa_get_data_by_dev(vdpa_dev);
+	if (ops_data == NULL)
+		return -1;
+
+	dev = ops_data->dev_handle;
+	*queue_num = sfc_vdpa_adapter_by_dev_handle(dev)->max_queue_count;
+
+	sfc_vdpa_info(dev, "vDPA ops get_queue_num :: supported queue num : %d",
+		      *queue_num);
+
+	return 0;
 }
 
 static int