vring_avail
(struct vring_avail *)(uintptr_t)cvq->driver_addr,
struct vring_avail *avail = (struct vring_avail *)
struct vring_avail *avail,
struct vring_avail *avail,
vrh->vring.avail = (__force struct vring_avail *)avail;
struct vring_avail *avail,
struct vring_avail *avail,
struct vring_avail *avail,
struct vring_avail *avail,
typedef struct vring_avail __attribute__((aligned(VRING_AVAIL_ALIGN_SIZE)))
vr->avail = (struct vring_avail *)((char *)p + num * sizeof(struct vring_desc));