diff mbox series

[v7,12/12] vhost: improve vDPA blk device configure condition

Message ID 1666073977-175484-13-git-send-email-andy.pei@intel.com (mailing list archive)
State Superseded, archived
Delegated to: Maxime Coquelin
Headers
Series vdpa/ifc: add multi queue support |

Checks

Context Check Description
ci/checkpatch success coding style OK
ci/Intel-compilation success Compilation OK
ci/intel-Testing success Testing PASS
ci/github-robot: build success github build: passed

Commit Message

Pei, Andy Oct. 18, 2022, 6:19 a.m. UTC 
  To support multi-queue, configure device
after call fd of all queues are set.

Signed-off-by: Andy Pei <andy.pei@intel.com>
Signed-off-by: Huang Wei <wei.huang@intel.com>
Reviewed-by: Chenbo Xia <chenbo.xia@intel.com>
---
 lib/vhost/vhost_user.c | 13 ++++++++++---
 1 file changed, 10 insertions(+), 3 deletions(-)
diff mbox series

Patch

diff --git a/lib/vhost/vhost_user.c b/lib/vhost/vhost_user.c
index d5dbd9b..96383b9 100644
--- a/lib/vhost/vhost_user.c
+++ b/lib/vhost/vhost_user.c
@@ -2973,6 +2973,7 @@  static int is_vring_iotlb(struct virtio_net *dev,
 	uint32_t vdpa_type;
 	uint32_t request;
 	uint32_t i;
+	uint16_t blk_call_fd;
 
 	dev = get_device(vid);
 	if (dev == NULL)
@@ -3183,9 +3184,15 @@  static int is_vring_iotlb(struct virtio_net *dev,
 		goto out;
 
 	vdpa_type = vdpa_dev->vdpa_device_type;
-	if (vdpa_type == RTE_VHOST_VDPA_DEVICE_TYPE_BLK
-		&& request != VHOST_USER_SET_VRING_CALL)
-		goto out;
+	if (vdpa_type == RTE_VHOST_VDPA_DEVICE_TYPE_BLK) {
+		if (request == VHOST_USER_SET_VRING_CALL) {
+			blk_call_fd = ctx.msg.payload.u64 & VHOST_USER_VRING_IDX_MASK;
+			if (blk_call_fd != dev->nr_vring - 1)
+				goto out;
+		} else {
+			goto out;
+		}
+	}
 
 	if (!(dev->flags & VIRTIO_DEV_VDPA_CONFIGURED)) {
 		if (vdpa_dev->ops->dev_conf(dev->vid))