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vhost-vdpa: introduce uAPI to set group ASID

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Follows the vDPA support for associating ASID to a specific virtqueue
group. This patch adds a uAPI to support setting them from userspace.

Signed-off-by: Jason Wang <jasowang@redhat.com>
Signed-off-by: Gautam Dawar <gdawar@xilinx.com>
Message-Id: <20220330180436.24644-15-gdawar@xilinx.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
This commit is contained in:
Gautam Dawar
2022-03-30 23:33:54 +05:30
committed by Michael S. Tsirkin
parent 2d1fcb7758
commit 84d7c8fd3a
2 changed files with 15 additions and 0 deletions
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7
include/uapi/linux/vhost.h
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@@ -164,4 +164,11 @@
*/
#define VHOST_VDPA_GET_VRING_GROUP _IOWR(VHOST_VIRTIO, 0x7B, \
struct vhost_vring_state)
/* Set the ASID for a virtqueue group. The group index is stored in
* the index field of vhost_vring_state, the ASID associated with this
* group is stored at num field of vhost_vring_state.
*/
#define VHOST_VDPA_SET_GROUP_ASID _IOW(VHOST_VIRTIO, 0x7C, \
struct vhost_vring_state)
#endif