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qemu-patch-raspberry4
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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>
staging
Andy Pei 2022-01-03 17:28:12 +08:00 committed by Michael S. Tsirkin
parent 0e4edb3b3b
commit 0a963af3e3
1 changed files with 1 additions and 0 deletions
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1
hw/block/vhost-user-blk.c
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@ -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);