92 static int i_ldc_rx_ackpeek(ldc_chan_t *ldcp, uint64_t rx_head,
601 	uint64_t rx_head, rx_tail;  in i_ldc_rxq_reconf()  local
604 	rv = hv_ldc_rx_get_state(ldcp->id, &rx_head, &rx_tail,  in i_ldc_rxq_reconf()
637 	uint64_t rx_head, rx_tail;  in i_ldc_rxq_drain()  local
641 	rv = hv_ldc_rx_get_state(ldcp->id, &rx_head, &rx_tail,  in i_ldc_rxq_drain()
650 	if (rx_head == rx_tail)  in i_ldc_rxq_drain()
2214 	uint64_t	rx_head, rx_tail;  in i_ldc_rx_process_hvq()  local
2229 		rv = hv_ldc_rx_get_state(ldcp->id, &rx_head, &rx_tail,  in i_ldc_rx_process_hvq()
2293 			TRACE_RXHVQ_LENGTH(ldcp, rx_head, rx_tail);  in i_ldc_rx_process_hvq()
2297 		if (rx_head == rx_tail) {  in i_ldc_rx_process_hvq()
2304 		    "tail=0x%llx\n", rx_head, rx_tail);  in i_ldc_rx_process_hvq()
2306 		    ldcp->rx_q_va + rx_head);  in i_ldc_rx_process_hvq()
2309 		msg = (ldc_msg_t *)(ldcp->rx_q_va + rx_head);  in i_ldc_rx_process_hvq()
2324 				rx_head = (rx_head + LDC_PACKET_SIZE) %  in i_ldc_rx_process_hvq()
2327 				if (rv = i_ldc_set_rx_head(ldcp, rx_head))  in i_ldc_rx_process_hvq()
2361 			    rx_head, rx_tail);  in i_ldc_rx_process_hvq()
2455 			i_ldc_rxdq_copy(ldcp, &rx_head);  in i_ldc_rx_process_hvq()
2461 			rx_head = (rx_head + LDC_PACKET_SIZE) %  in i_ldc_rx_process_hvq()
2466 		if (rv = i_ldc_set_rx_head(ldcp, rx_head)) {  in i_ldc_rx_process_hvq()
2502 			if (i_ldc_rx_ackpeek(ldcp, rx_head, rx_tail) != 0) {  in i_ldc_rx_process_hvq()
2530 i_ldc_rx_ackpeek(ldc_chan_t *ldcp, uint64_t rx_head, uint64_t rx_tail)  in i_ldc_rx_ackpeek()  argument
2536 		ldcp->rx_ack_head = rx_head;  in i_ldc_rx_ackpeek()
3600 	uint64_t	rx_head, rx_tail;  in ldc_chkq()  local
3621 	rv = hv_ldc_rx_get_state(ldcp->id, &rx_head, &rx_tail,  in ldc_chkq()
3646 		*hasdata = (rx_head != rx_tail);  in ldc_chkq()
3655 		if (rx_head != rx_tail) {  in ldc_chkq()
3707 	uint64_t	rx_head = 0, rx_tail = 0;  in ldc_read()  local
3755 	rv = hv_ldc_rx_get_state(ldcp->id, &rx_head, &rx_tail,  in ldc_read()
3777 		    (rx_head == rx_tail)) {  in ldc_read()
3799 	uint64_t	rx_head, rx_tail;  in i_ldc_read_raw()  local
3814 	rv = hv_ldc_rx_get_state(ldcp->id, &rx_head, &rx_tail,  in i_ldc_read_raw()
3824 	    ldcp->id, rx_head, rx_tail, ldcp->link_state);  in i_ldc_read_raw()
3838 	if (rx_head == rx_tail) {  in i_ldc_read_raw()
3844 	msgp = (ldc_msg_t *)(ldcp->rx_q_va + rx_head);  in i_ldc_read_raw()
3855 	rx_head = (rx_head + LDC_PACKET_SIZE) & q_size_mask;  in i_ldc_read_raw()
3856 	rv = i_ldc_set_rx_head(ldcp, rx_head);  in i_ldc_read_raw()
3871 	uint64_t	rx_head = 0, rx_tail = 0;  in i_ldc_read_packet()  local
3932 			    &rx_head, &rx_tail, &ldcp->link_state);  in i_ldc_read_packet()
3973 		    ldcp->id, curr_head, rx_head, rx_tail);  in i_ldc_read_packet()
3987 				    ldcp->id, rx_head, rx_tail);  in i_ldc_read_packet()