Lines Matching refs:head
416 * upend_idx is used to track end of used idx, done_idx is used to track head
1212 unsigned int i, head, found = 0;
1239 if (unlikely(__get_user(head,
1241 vq_err(vq, "Failed to read head: idx %d address %p\n",
1248 if (unlikely(head >= vq->num)) {
1250 head, vq->num);
1259 i = head;
1263 vq_err(vq, "Desc index is %u > %u, head = %u",
1264 i, vq->num, head);
1269 "vq size %u head %u\n",
1270 i, vq->num, head);
1325 return head;
1336 int vhost_add_used(struct vhost_virtqueue *vq, unsigned int head, int len)
1343 if (__put_user(head, &used->id)) {
1498 unsigned int head, int len)
1500 vhost_add_used(vq, head, len);