Lines Matching defs:rx_head

92 static int i_ldc_rx_ackpeek(ldc_chan_t *ldcp, uint64_t rx_head,
617 	uint64_t rx_head, rx_tail;
620 	rv = hv_ldc_rx_get_state(ldcp->id, &rx_head, &rx_tail,
653 	uint64_t rx_head, rx_tail;
657 	rv = hv_ldc_rx_get_state(ldcp->id, &rx_head, &rx_tail,
666 	if (rx_head == rx_tail)
2230 	uint64_t 	rx_head, rx_tail;
2245 		rv = hv_ldc_rx_get_state(ldcp->id, &rx_head, &rx_tail,
2309 			TRACE_RXHVQ_LENGTH(ldcp, rx_head, rx_tail);
2313 		if (rx_head == rx_tail) {
2320 		    "tail=0x%llx\n", rx_head, rx_tail);
2322 		    ldcp->rx_q_va + rx_head);
2325 		msg = (ldc_msg_t *)(ldcp->rx_q_va + rx_head);
2340 				rx_head = (rx_head + LDC_PACKET_SIZE) %
2343 				if (rv = i_ldc_set_rx_head(ldcp, rx_head))
2377 			    rx_head, rx_tail);
2469 			 * that the copy routine updates the rx_head pointer.
2471 			i_ldc_rxdq_copy(ldcp, &rx_head);
2477 			rx_head = (rx_head + LDC_PACKET_SIZE) %
2482 		if (rv = i_ldc_set_rx_head(ldcp, rx_head)) {
2518 			if (i_ldc_rx_ackpeek(ldcp, rx_head, rx_tail) != 0) {
2546 i_ldc_rx_ackpeek(ldc_chan_t *ldcp, uint64_t rx_head, uint64_t rx_tail)
2552 		ldcp->rx_ack_head = rx_head;
3617 	uint64_t 	rx_head, rx_tail;
3638 	rv = hv_ldc_rx_get_state(ldcp->id, &rx_head, &rx_tail,
3663 		*hasdata = (rx_head != rx_tail);
3672 		if (rx_head != rx_tail) {
3724 	uint64_t 	rx_head = 0, rx_tail = 0;
3772 	rv = hv_ldc_rx_get_state(ldcp->id, &rx_head, &rx_tail,
3794 		    (rx_head == rx_tail)) {
3816 	uint64_t 	rx_head, rx_tail;
3831 	rv = hv_ldc_rx_get_state(ldcp->id, &rx_head, &rx_tail,
3841 	    ldcp->id, rx_head, rx_tail, ldcp->link_state);
3855 	if (rx_head == rx_tail) {
3861 	msgp = (ldc_msg_t *)(ldcp->rx_q_va + rx_head);
3872 	rx_head = (rx_head + LDC_PACKET_SIZE) & q_size_mask;
3873 	rv = i_ldc_set_rx_head(ldcp, rx_head);
3888 	uint64_t 	rx_head = 0, rx_tail = 0;
3949 			    &rx_head, &rx_tail, &ldcp->link_state);
3990 		    ldcp->id, curr_head, rx_head, rx_tail);
4004 				    ldcp->id, rx_head, rx_tail);