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| author | Andy Pei <andy.pei@intel.com> | 2022-01-03 17:28:12 +0800 |
|---|---|---|
| committer | Michael S. Tsirkin <mst@redhat.com> | 2022-01-07 05:19:55 -0500 |
| commit | 0a963af3e3c12074ed93babe0b908a1bce79f84f (patch) | |
| tree | e4a0989f120e365f382d94068b0b43a0686f5b85 /hw/block | |
| parent | 0e4edb3b3b5770ac325f5df02689154be5e64963 (diff) | |
| download | qemu-0a963af3e3c12074ed93babe0b908a1bce79f84f.zip qemu-0a963af3e3c12074ed93babe0b908a1bce79f84f.tar.gz qemu-0a963af3e3c12074ed93babe0b908a1bce79f84f.tar.bz2 | |
hw/vhost-user-blk: turn on VIRTIO_BLK_F_SIZE_MAX feature for virtio blk device
Turn on pre-defined feature VIRTIO_BLK_F_SIZE_MAX for virtio blk device to
avoid guest DMA request sizes which are too large for hardware spec.
Signed-off-by: Andy Pei <andy.pei@intel.com>
Message-Id: <1641202092-149677-1-git-send-email-andy.pei@intel.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Acked-by: Raphael Norwitz <raphael.norwitz@nutanix.com>
Diffstat (limited to 'hw/block')
| -rw-r--r-- | hw/block/vhost-user-blk.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/hw/block/vhost-user-blk.c b/hw/block/vhost-user-blk.c index ab11ce8..1a42ae9 100644 --- a/hw/block/vhost-user-blk.c +++ b/hw/block/vhost-user-blk.c @@ -252,6 +252,7 @@ static uint64_t vhost_user_blk_get_features(VirtIODevice *vdev, VHostUserBlk *s = VHOST_USER_BLK(vdev); /* Turn on pre-defined features */ + virtio_add_feature(&features, VIRTIO_BLK_F_SIZE_MAX); virtio_add_feature(&features, VIRTIO_BLK_F_SEG_MAX); virtio_add_feature(&features, VIRTIO_BLK_F_GEOMETRY); virtio_add_feature(&features, VIRTIO_BLK_F_TOPOLOGY); |