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| author |   Gautam Dawar <gautam.dawar@xilinx.com> | 2022-03-30 23:33:51 +0530 |
|---|---|---|
| committer |   Michael S. Tsirkin <mst@redhat.com> | 2022-05-31 12:44:30 -0400 |
| commit | 3ace88bd37436abc84906312146fe5158a469142 (patch) | |
| tree | 9a18b14f0bff075c6d8210a4f2aebbc5c0c50c4c /include/uapi/linux | |
| parent | vhost-vdpa: introduce asid based IOTLB (diff) | |
| download | linux-dev-3ace88bd37436abc84906312146fe5158a469142.tar.xz linux-dev-3ace88bd37436abc84906312146fe5158a469142.zip | |
vhost-vdpa: introduce uAPI to get the number of virtqueue groups
Follows the vDPA support for multiple address spaces, this patch
introduce uAPI for the userspace to know the number of virtqueue
groups supported by the vDPA device.
Signed-off-by: Jason Wang <jasowang@redhat.com>
Signed-off-by: Gautam Dawar <gdawar@xilinx.com>
Message-Id: <20220330180436.24644-12-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.h | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/include/uapi/linux/vhost.h b/include/uapi/linux/vhost.h index 8f7b4a95d6f9..61317c61d768 100644 --- a/include/uapi/linux/vhost.h +++ b/include/uapi/linux/vhost.h @@ -145,11 +145,13 @@ /* Get the valid iova range */ #define VHOST_VDPA_GET_IOVA_RANGE _IOR(VHOST_VIRTIO, 0x78, \ struct vhost_vdpa_iova_range) - /* Get the config size */ #define VHOST_VDPA_GET_CONFIG_SIZE _IOR(VHOST_VIRTIO, 0x79, __u32) /* Get the count of all virtqueues */ #define VHOST_VDPA_GET_VQS_COUNT _IOR(VHOST_VIRTIO, 0x80, __u32) +/* Get the number of virtqueue groups. */ +#define VHOST_VDPA_GET_GROUP_NUM _IOR(VHOST_VIRTIO, 0x81, __u32) + #endif |