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| author | Eugenio Pérez <eperezma@redhat.com> | 2022-12-15 12:31:44 +0100 |
|---|---|---|
| committer | Michael S. Tsirkin <mst@redhat.com> | 2022-12-21 06:35:28 -0500 |
| commit | c1a1008685af0327d9d03f03d43bdb77e7af5bea (patch) | |
| tree | 4a495459cc4b640a14cb8d5e6f283e334f7669ac /hw/virtio | |
| parent | 6188d78a19894ac8f2bf9484d48a5235a529d3b7 (diff) | |
| download | qemu-c1a1008685af0327d9d03f03d43bdb77e7af5bea.zip qemu-c1a1008685af0327d9d03f03d43bdb77e7af5bea.tar.gz qemu-c1a1008685af0327d9d03f03d43bdb77e7af5bea.tar.bz2 | |
vdpa: always start CVQ in SVQ mode if possible
Isolate control virtqueue in its own group, allowing to intercept control
commands but letting dataplane run totally passthrough to the guest.
Signed-off-by: Eugenio Pérez <eperezma@redhat.com>
Message-Id: <20221215113144.322011-13-eperezma@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Acked-by: Jason Wang <jasowang@redhat.com>
Diffstat (limited to 'hw/virtio')
| -rw-r--r-- | hw/virtio/vhost-vdpa.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/hw/virtio/vhost-vdpa.c b/hw/virtio/vhost-vdpa.c index 20d9575..fd0c33b 100644 --- a/hw/virtio/vhost-vdpa.c +++ b/hw/virtio/vhost-vdpa.c @@ -638,7 +638,8 @@ static int vhost_vdpa_set_backend_cap(struct vhost_dev *dev) { uint64_t features; uint64_t f = 0x1ULL << VHOST_BACKEND_F_IOTLB_MSG_V2 | - 0x1ULL << VHOST_BACKEND_F_IOTLB_BATCH; + 0x1ULL << VHOST_BACKEND_F_IOTLB_BATCH | + 0x1ULL << VHOST_BACKEND_F_IOTLB_ASID; int r; if (vhost_vdpa_call(dev, VHOST_GET_BACKEND_FEATURES, &features)) { |