34 	struct qxl_ring_header      header;  member
53 qxl_ring_create(struct qxl_ring_header *header,  in qxl_ring_create()  argument
66 	ring->ring = (struct ring *)header;  in qxl_ring_create()
72 		header->notify_on_prod = ring->n_elements;  in qxl_ring_create()
80 	struct qxl_ring_header *header = &(ring->ring->header);  in qxl_check_header()  local
83 	ret = header->prod - header->cons < header->num_items;  in qxl_check_header()
85 		header->notify_on_cons = header->cons + 1;  in qxl_check_header()
93 	struct qxl_ring_header *header = &(ring->ring->header);  in qxl_check_idle()  local
96 	ret = header->prod == header->cons;  in qxl_check_idle()
104 	struct qxl_ring_header *header = &(ring->ring->header);  in qxl_ring_push()  local
109 	if (header->prod - header->cons == header->num_items) {  in qxl_ring_push()
110 		header->notify_on_cons = header->cons + 1;  in qxl_ring_push()
131 	idx = header->prod & (ring->n_elements - 1);  in qxl_ring_push()
136 	header->prod++;  in qxl_ring_push()
140 	if (header->prod == header->notify_on_prod)  in qxl_ring_push()
150 	volatile struct qxl_ring_header *header = &(ring->ring->header);  in qxl_ring_pop()  local
155 	if (header->cons == header->prod) {  in qxl_ring_pop()
156 		header->notify_on_prod = header->cons + 1;  in qxl_ring_pop()
161 	idx = header->cons & (ring->n_elements - 1);  in qxl_ring_pop()
166 	header->cons++;  in qxl_ring_pop()