From 9d77db3c730780c8ef5ccd4b66403ff5675cfe4e Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Mon, 13 May 2024 10:30:14 +0000
Subject: [PATCH] modify sin led gpio

---
 kernel/drivers/infiniband/hw/qib/qib_rc.c |   82 +++++++++++++---------------------------
 1 files changed, 27 insertions(+), 55 deletions(-)

diff --git a/kernel/drivers/infiniband/hw/qib/qib_rc.c b/kernel/drivers/infiniband/hw/qib/qib_rc.c
index f35fdeb..3915e5b 100644
--- a/kernel/drivers/infiniband/hw/qib/qib_rc.c
+++ b/kernel/drivers/infiniband/hw/qib/qib_rc.c
@@ -45,12 +45,7 @@
 	u32 len;
 
 	len = ((psn - wqe->psn) & QIB_PSN_MASK) * pmtu;
-	ss->sge = wqe->sg_list[0];
-	ss->sg_list = wqe->sg_list + 1;
-	ss->num_sge = wqe->wr.num_sge;
-	ss->total_len = wqe->length;
-	rvt_skip_sge(ss, len, false);
-	return wqe->length - len;
+	return rvt_restart_sge(ss, wqe, len);
 }
 
 /**
@@ -88,7 +83,7 @@
 			rvt_put_mr(e->rdma_sge.mr);
 			e->rdma_sge.mr = NULL;
 		}
-		/* FALLTHROUGH */
+		fallthrough;
 	case OP(ATOMIC_ACKNOWLEDGE):
 		/*
 		 * We can increment the tail pointer now that the last
@@ -97,7 +92,7 @@
 		 */
 		if (++qp->s_tail_ack_queue > QIB_MAX_RDMA_ATOMIC)
 			qp->s_tail_ack_queue = 0;
-		/* FALLTHROUGH */
+		fallthrough;
 	case OP(SEND_ONLY):
 	case OP(ACKNOWLEDGE):
 		/* Check for no next entry in the queue. */
@@ -154,7 +149,7 @@
 
 	case OP(RDMA_READ_RESPONSE_FIRST):
 		qp->s_ack_state = OP(RDMA_READ_RESPONSE_MIDDLE);
-		/* FALLTHROUGH */
+		fallthrough;
 	case OP(RDMA_READ_RESPONSE_MIDDLE):
 		qp->s_cur_sge = &qp->s_ack_rdma_sge;
 		qp->s_rdma_mr = qp->s_ack_rdma_sge.sge.mr;
@@ -254,7 +249,7 @@
 			goto bail;
 		}
 		wqe = rvt_get_swqe_ptr(qp, qp->s_last);
-		qib_send_complete(qp, wqe, qp->s_last != qp->s_acked ?
+		rvt_send_complete(qp, wqe, qp->s_last != qp->s_acked ?
 			IB_WC_SUCCESS : IB_WC_WR_FLUSH_ERR);
 		/* will get called again */
 		goto done;
@@ -318,11 +313,8 @@
 		case IB_WR_SEND:
 		case IB_WR_SEND_WITH_IMM:
 			/* If no credit, return. */
-			if (!(qp->s_flags & RVT_S_UNLIMITED_CREDIT) &&
-			    rvt_cmp_msn(wqe->ssn, qp->s_lsn + 1) > 0) {
-				qp->s_flags |= RVT_S_WAIT_SSN_CREDIT;
+			if (!rvt_rc_credit_avail(qp, wqe))
 				goto bail;
-			}
 			if (len > pmtu) {
 				qp->s_state = OP(SEND_FIRST);
 				len = pmtu;
@@ -349,11 +341,8 @@
 			goto no_flow_control;
 		case IB_WR_RDMA_WRITE_WITH_IMM:
 			/* If no credit, return. */
-			if (!(qp->s_flags & RVT_S_UNLIMITED_CREDIT) &&
-			    rvt_cmp_msn(wqe->ssn, qp->s_lsn + 1) > 0) {
-				qp->s_flags |= RVT_S_WAIT_SSN_CREDIT;
+			if (!rvt_rc_credit_avail(qp, wqe))
 				goto bail;
-			}
 no_flow_control:
 			ohdr->u.rc.reth.vaddr =
 				cpu_to_be64(wqe->rdma_wr.remote_addr);
@@ -482,10 +471,10 @@
 		 * See qib_restart_rc().
 		 */
 		qp->s_len = restart_sge(&qp->s_sge, wqe, qp->s_psn, pmtu);
-		/* FALLTHROUGH */
+		fallthrough;
 	case OP(SEND_FIRST):
 		qp->s_state = OP(SEND_MIDDLE);
-		/* FALLTHROUGH */
+		fallthrough;
 	case OP(SEND_MIDDLE):
 		bth2 = qp->s_psn++ & QIB_PSN_MASK;
 		ss = &qp->s_sge;
@@ -521,10 +510,10 @@
 		 * See qib_restart_rc().
 		 */
 		qp->s_len = restart_sge(&qp->s_sge, wqe, qp->s_psn, pmtu);
-		/* FALLTHROUGH */
+		fallthrough;
 	case OP(RDMA_WRITE_FIRST):
 		qp->s_state = OP(RDMA_WRITE_MIDDLE);
-		/* FALLTHROUGH */
+		fallthrough;
 	case OP(RDMA_WRITE_MIDDLE):
 		bth2 = qp->s_psn++ & QIB_PSN_MASK;
 		ss = &qp->s_sge;
@@ -838,7 +827,7 @@
 			qib_migrate_qp(qp);
 			qp->s_retry = qp->s_retry_cnt;
 		} else if (qp->s_last == qp->s_acked) {
-			qib_send_complete(qp, wqe, IB_WC_RETRY_EXC_ERR);
+			rvt_send_complete(qp, wqe, IB_WC_RETRY_EXC_ERR);
 			rvt_error_qp(qp, IB_WC_WR_FLUSH_ERR);
 			return;
 		} else /* XXX need to handle delayed completion */
@@ -926,20 +915,11 @@
 		rvt_add_retry_timer(qp);
 
 	while (qp->s_last != qp->s_acked) {
-		u32 s_last;
-
 		wqe = rvt_get_swqe_ptr(qp, qp->s_last);
 		if (qib_cmp24(wqe->lpsn, qp->s_sending_psn) >= 0 &&
 		    qib_cmp24(qp->s_sending_psn, qp->s_sending_hpsn) <= 0)
 			break;
-		s_last = qp->s_last;
-		if (++s_last >= qp->s_size)
-			s_last = 0;
-		qp->s_last = s_last;
-		/* see post_send() */
-		barrier();
-		rvt_put_swqe(wqe);
-		rvt_qp_swqe_complete(qp,
+		rvt_qp_complete_swqe(qp,
 				     wqe,
 				     ib_qib_wc_opcode[wqe->wr.opcode],
 				     IB_WC_SUCCESS);
@@ -977,21 +957,12 @@
 	 * is finished.
 	 */
 	if (qib_cmp24(wqe->lpsn, qp->s_sending_psn) < 0 ||
-	    qib_cmp24(qp->s_sending_psn, qp->s_sending_hpsn) > 0) {
-		u32 s_last;
-
-		rvt_put_swqe(wqe);
-		s_last = qp->s_last;
-		if (++s_last >= qp->s_size)
-			s_last = 0;
-		qp->s_last = s_last;
-		/* see post_send() */
-		barrier();
-		rvt_qp_swqe_complete(qp,
+	    qib_cmp24(qp->s_sending_psn, qp->s_sending_hpsn) > 0)
+		rvt_qp_complete_swqe(qp,
 				     wqe,
 				     ib_qib_wc_opcode[wqe->wr.opcode],
 				     IB_WC_SUCCESS);
-	} else
+	else
 		this_cpu_inc(*ibp->rvp.rc_delayed_comp);
 
 	qp->s_retry = qp->s_retry_cnt;
@@ -1221,7 +1192,7 @@
 			ibp->rvp.n_other_naks++;
 class_b:
 			if (qp->s_last == qp->s_acked) {
-				qib_send_complete(qp, wqe, status);
+				rvt_send_complete(qp, wqe, status);
 				rvt_error_qp(qp, IB_WC_WR_FLUSH_ERR);
 			}
 			break;
@@ -1425,7 +1396,8 @@
 		qp->s_rdma_read_len -= pmtu;
 		update_last_psn(qp, psn);
 		spin_unlock_irqrestore(&qp->s_lock, flags);
-		qib_copy_sge(&qp->s_rdma_read_sge, data, pmtu, 0);
+		rvt_copy_sge(qp, &qp->s_rdma_read_sge,
+			     data, pmtu, false, false);
 		goto bail;
 
 	case OP(RDMA_READ_RESPONSE_ONLY):
@@ -1471,7 +1443,8 @@
 		if (unlikely(tlen != qp->s_rdma_read_len))
 			goto ack_len_err;
 		aeth = be32_to_cpu(ohdr->u.aeth);
-		qib_copy_sge(&qp->s_rdma_read_sge, data, tlen, 0);
+		rvt_copy_sge(qp, &qp->s_rdma_read_sge,
+			     data, tlen, false, false);
 		WARN_ON(qp->s_rdma_read_sge.num_sge);
 		(void) do_rc_ack(qp, aeth, psn,
 				 OP(RDMA_READ_RESPONSE_LAST), 0, rcd);
@@ -1490,7 +1463,7 @@
 	status = IB_WC_LOC_LEN_ERR;
 ack_err:
 	if (qp->s_last == qp->s_acked) {
-		qib_send_complete(qp, wqe, status);
+		rvt_send_complete(qp, wqe, status);
 		rvt_error_qp(qp, IB_WC_WR_FLUSH_ERR);
 	}
 ack_done:
@@ -1834,7 +1807,7 @@
 		if (!ret)
 			goto rnr_nak;
 		qp->r_rcv_len = 0;
-		/* FALLTHROUGH */
+		fallthrough;
 	case OP(SEND_MIDDLE):
 	case OP(RDMA_WRITE_MIDDLE):
 send_middle:
@@ -1844,7 +1817,7 @@
 		qp->r_rcv_len += pmtu;
 		if (unlikely(qp->r_rcv_len > qp->r_len))
 			goto nack_inv;
-		qib_copy_sge(&qp->r_sge, data, pmtu, 1);
+		rvt_copy_sge(qp, &qp->r_sge, data, pmtu, true, false);
 		break;
 
 	case OP(RDMA_WRITE_LAST_WITH_IMMEDIATE):
@@ -1866,7 +1839,7 @@
 		qp->r_rcv_len = 0;
 		if (opcode == OP(SEND_ONLY))
 			goto no_immediate_data;
-		/* fall through -- for SEND_ONLY_WITH_IMMEDIATE */
+		fallthrough;	/* for SEND_ONLY_WITH_IMMEDIATE */
 	case OP(SEND_LAST_WITH_IMMEDIATE):
 send_last_imm:
 		wc.ex.imm_data = ohdr->u.imm_data;
@@ -1890,7 +1863,7 @@
 		wc.byte_len = tlen + qp->r_rcv_len;
 		if (unlikely(wc.byte_len > qp->r_len))
 			goto nack_inv;
-		qib_copy_sge(&qp->r_sge, data, tlen, 1);
+		rvt_copy_sge(qp, &qp->r_sge, data, tlen, true, false);
 		rvt_put_ss(&qp->r_sge);
 		qp->r_msn++;
 		if (!test_and_clear_bit(RVT_R_WRID_VALID, &qp->r_aflags))
@@ -1912,8 +1885,7 @@
 		wc.dlid_path_bits = 0;
 		wc.port_num = 0;
 		/* Signal completion event if the solicited bit is set. */
-		rvt_cq_enter(ibcq_to_rvtcq(qp->ibqp.recv_cq), &wc,
-			     ib_bth_is_solicited(ohdr));
+		rvt_recv_cq(qp, &wc, ib_bth_is_solicited(ohdr));
 		break;
 
 	case OP(RDMA_WRITE_FIRST):

--
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