On 8/7/25 1:57 PM, Eugenio Pérez wrote:
diff --git a/include/uapi/linux/vduse.h b/include/uapi/linux/vduse.h index 9a56d0416bfe..b4b139dc76bb 100644 --- a/include/uapi/linux/vduse.h +++ b/include/uapi/linux/vduse.h @@ -31,6 +31,7 @@ * @features: virtio features * @vq_num: the number of virtqueues * @vq_align: the allocation alignment of virtqueue's metadata + * @ngroups: number of vq groups that VDUSE device declares * @reserved: for future use, needs to be initialized to zero * @config_size: the size of the configuration space * @config: the buffer of the configuration space @@ -45,7 +46,8 @@ struct vduse_dev_config { __u64 features; __u32 vq_num; __u32 vq_align; - __u32 reserved[13]; + __u32 ngroups; /* if VDUSE_API_VERSION >= 1 */ + __u32 reserved[12]; __u32 config_size; __u8 config[]; }; @@ -160,6 +162,16 @@ struct vduse_vq_state_packed { __u16 last_used_idx; };+/**+ * struct vduse_vq_group - virtqueue group + * @num: Index of the virtqueue group + * @num: Group + */ +struct vduse_vq_group { + __u32 index; + __u32 num; +}; + /** * struct vduse_vq_info - information of a virtqueue * @index: virtqueue index @@ -182,6 +194,7 @@ struct vduse_vq_info { union { struct vduse_vq_state_split split; struct vduse_vq_state_packed packed; + struct vduse_vq_group group; }; __u8 ready; }; @@ -274,6 +287,8 @@ enum vduse_req_type { VDUSE_GET_VQ_STATE, VDUSE_SET_STATUS, VDUSE_UPDATE_IOTLB, + VDUSE_GET_VQ_GROUP, + VDUSE_GET_VRING_DESC_GROUP, };/**@@ -328,6 +343,7 @@ struct vduse_dev_request { struct vduse_vq_state vq_state; struct vduse_dev_status s; struct vduse_iova_range iova; + struct vduse_vq_group vq_group; /* Only if vduse api version >= 1 */ __u32 padding[32]; }; }; @@ -350,6 +366,7 @@ struct vduse_dev_response { __u32 reserved[4]; union { struct vduse_vq_state vq_state; + struct vduse_vq_group vq_group; /* Only if vduse api version >= 1 */ __u32 padding[32]; }; };
Same comment as for patch 5, padding should be updated. Regards, Maxime
