19 #define CIRC_CNT(head, tail, size)	(((head) - (tail)) & (size - 1))  argument
20 #define CIRC_SPACE(head, tail, size)	CIRC_CNT((tail), (head) + 1, (size))  argument
141 	jr->tail = 0;  in jr_sw_cleanup()
263 	int tail = jr->tail;  in jr_dequeue()  local
273 	while (sec_in32(&regs->orsf) && CIRC_CNT(jr->head, jr->tail,  in jr_dequeue()
285 		addr_lo = (uint32_t *)(&jr->output_ring[jr->tail].desc);  in jr_dequeue()
286 		addr_hi = (uint32_t *)(&jr->output_ring[jr->tail].desc) + 1;  in jr_dequeue()
288 		addr_hi = (uint32_t *)(&jr->output_ring[jr->tail].desc);  in jr_dequeue()
289 		addr_lo = (uint32_t *)(&jr->output_ring[jr->tail].desc) + 1;  in jr_dequeue()
297 		addr = (uint32_t *)&jr->output_ring[jr->tail].desc;  in jr_dequeue()
301 		uint32_t status = sec_in32(&jr->output_ring[jr->tail].status);  in jr_dequeue()
303 		for (i = 0; CIRC_CNT(head, tail + i, jr->size) >= 1; i++) {  in jr_dequeue()
304 			idx = (tail + i) & (jr->size - 1);  in jr_dequeue()
323 		if (idx == tail)  in jr_dequeue()
325 				tail = (tail + 1) & (jr->size - 1);  in jr_dequeue()
326 			} while (jr->info[tail].op_done);  in jr_dequeue()
328 		jr->tail = tail;  in jr_dequeue()