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authorGautam Dawar <gautam.dawar@xilinx.com>2022-03-30 23:33:54 +0530
committerMichael S. Tsirkin <mst@redhat.com>2022-05-31 12:44:31 -0400
commit84d7c8fd3aade2fe79313003ed06ede431ec2a6d (patch)
tree4ef7ded8746bf8484e40ca667ba927a6480430ec /include/uapi/linux
parentvhost-vdpa: uAPI to get virtqueue group id (diff)
downloadlinux-dev-84d7c8fd3aade2fe79313003ed06ede431ec2a6d.tar.xz
linux-dev-84d7c8fd3aade2fe79313003ed06ede431ec2a6d.zip
vhost-vdpa: introduce uAPI to set group ASID
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>
Diffstat (limited to 'include/uapi/linux')
-rw-r--r--include/uapi/linux/vhost.h7
1 files changed, 7 insertions, 0 deletions
diff --git a/include/uapi/linux/vhost.h b/include/uapi/linux/vhost.h
index 668914c87f74..cab645d4a645 100644
--- a/include/uapi/linux/vhost.h
+++ b/include/uapi/linux/vhost.h
@@ -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