virtio_scsi_cmd_req
struct virtio_scsi_cmd_req *cmd_req;
sglist_append(sg, cmd_req, sizeof(struct virtio_scsi_cmd_req));
struct virtio_scsi_cmd_req *cmd_req;
struct virtio_scsi_cmd_req *);
struct virtio_scsi_cmd_req *cmd_req)
struct virtio_scsi_cmd_req cmd;