[dpdk-dev] [PATCH v2 04/10] vdpa/sfc: get device supported max queue count
From: Vijay Srivastava <hidden>
Date: 2021-10-28 07:56:56
Subsystem:
the rest, virtio core · Maintainers:
Linus Torvalds, "Michael S. Tsirkin", Jason Wang, Eugenio Pérez
From: Vijay Kumar Srivastava <redacted> Implement vDPA ops get_queue_num to get the maximum number of queues supported by the device. Signed-off-by: Vijay Kumar Srivastava <redacted> --- drivers/vdpa/sfc/sfc_vdpa_ops.c | 16 +++++++++++++--- 1 file changed, 13 insertions(+), 3 deletions(-)
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
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1.8.3.1