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[PATCH V4 03/10] vhost-vdpa: prepare for the multiqueue support
From: |
Jason Wang |
Subject: |
[PATCH V4 03/10] vhost-vdpa: prepare for the multiqueue support |
Date: |
Mon, 11 Oct 2021 12:28:22 +0800 |
Unlike vhost-kernel, vhost-vdpa adapts a single device multiqueue
model. So we need to simply use virtqueue index as the vhost virtqueue
index. This is a must for multiqueue to work for vhost-vdpa.
Signed-off-by: Jason Wang <jasowang@redhat.com>
Message-Id: <20210907090322.1756-4-jasowang@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
---
hw/virtio/vhost-vdpa.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/hw/virtio/vhost-vdpa.c b/hw/virtio/vhost-vdpa.c
index edac4017da..8587d30918 100644
--- a/hw/virtio/vhost-vdpa.c
+++ b/hw/virtio/vhost-vdpa.c
@@ -504,8 +504,8 @@ static int vhost_vdpa_get_vq_index(struct vhost_dev *dev,
int idx)
{
assert(idx >= dev->vq_index && idx < dev->vq_index + dev->nvqs);
- trace_vhost_vdpa_get_vq_index(dev, idx, idx - dev->vq_index);
- return idx - dev->vq_index;
+ trace_vhost_vdpa_get_vq_index(dev, idx, idx);
+ return idx;
}
static int vhost_vdpa_set_vring_ready(struct vhost_dev *dev)
--
2.25.1
- [PATCH V4 00/10] vhost-vDPA multiqueue, Jason Wang, 2021/10/11
- [PATCH V4 01/10] vhost-vdpa: open device fd in net_init_vhost_vdpa(), Jason Wang, 2021/10/11
- [PATCH V4 04/10] vhost-vdpa: let net_vhost_vdpa_init() returns NetClientState *, Jason Wang, 2021/10/11
- [PATCH V4 02/10] vhost-vdpa: classify one time request, Jason Wang, 2021/10/11
- [PATCH V4 06/10] vhost-net: control virtqueue support, Jason Wang, 2021/10/11
- [PATCH V4 03/10] vhost-vdpa: prepare for the multiqueue support,
Jason Wang <=
- [PATCH V4 07/10] virtio-net: use "queue_pairs" instead of "queues" when possible, Jason Wang, 2021/10/11
- [PATCH V4 08/10] vhost: record the last virtqueue index for the virtio device, Jason Wang, 2021/10/11
- [PATCH V4 05/10] net: introduce control client, Jason Wang, 2021/10/11
- [PATCH V4 09/10] virtio-net: vhost control virtqueue support, Jason Wang, 2021/10/11
- [PATCH V4 10/10] vhost-vdpa: multiqueue support, Jason Wang, 2021/10/11
- Re: [PATCH V4 00/10] vhost-vDPA multiqueue, Michael S. Tsirkin, 2021/10/19