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From: Bob Pearson <rpearsonhpe@gmail.com>
To: jgg@nvidia.com, zyjzyj2000@gmail.com, lizhijian@fujitsu.com,
	linux-rdma@vger.kernel.org
Cc: Bob Pearson <rpearsonhpe@gmail.com>
Subject: [PATCH for-next 05/13] RDMA/rxe: Add xrc opcodes to next_opcode()
Date: Fri, 16 Sep 2022 22:10:24 -0500	[thread overview]
Message-ID: <20220917031028.21187-5-rpearsonhpe@gmail.com> (raw)
In-Reply-To: <20220917031028.21187-1-rpearsonhpe@gmail.com>

Extend next_opcode() to support xrc operations.

Signed-off-by: Bob Pearson <rpearsonhpe@gmail.com>
---
 drivers/infiniband/sw/rxe/rxe_opcode.c | 88 ++++++++++++++++++++++++++
 1 file changed, 88 insertions(+)

diff --git a/drivers/infiniband/sw/rxe/rxe_opcode.c b/drivers/infiniband/sw/rxe/rxe_opcode.c
index 4ae926a37ef8..c2bac0ce444a 100644
--- a/drivers/infiniband/sw/rxe/rxe_opcode.c
+++ b/drivers/infiniband/sw/rxe/rxe_opcode.c
@@ -1376,6 +1376,91 @@ static int next_opcode_uc(struct rxe_qp *qp, u32 opcode, int fits)
 	return -EINVAL;
 }
 
+static int next_opcode_xrc(struct rxe_qp *qp, u32 wr_opcode, int fits)
+{
+	switch (wr_opcode) {
+	case IB_WR_RDMA_WRITE:
+		if (qp->req.opcode == IB_OPCODE_XRC_RDMA_WRITE_FIRST ||
+		    qp->req.opcode == IB_OPCODE_XRC_RDMA_WRITE_MIDDLE)
+			return fits ?
+				IB_OPCODE_XRC_RDMA_WRITE_LAST :
+				IB_OPCODE_XRC_RDMA_WRITE_MIDDLE;
+		else
+			return fits ?
+				IB_OPCODE_XRC_RDMA_WRITE_ONLY :
+				IB_OPCODE_XRC_RDMA_WRITE_FIRST;
+
+	case IB_WR_RDMA_WRITE_WITH_IMM:
+		if (qp->req.opcode == IB_OPCODE_XRC_RDMA_WRITE_FIRST ||
+		    qp->req.opcode == IB_OPCODE_XRC_RDMA_WRITE_MIDDLE)
+			return fits ?
+				IB_OPCODE_XRC_RDMA_WRITE_LAST_WITH_IMMEDIATE :
+				IB_OPCODE_XRC_RDMA_WRITE_MIDDLE;
+		else
+			return fits ?
+				IB_OPCODE_XRC_RDMA_WRITE_ONLY_WITH_IMMEDIATE :
+				IB_OPCODE_XRC_RDMA_WRITE_FIRST;
+
+	case IB_WR_SEND:
+		if (qp->req.opcode == IB_OPCODE_XRC_SEND_FIRST ||
+		    qp->req.opcode == IB_OPCODE_XRC_SEND_MIDDLE)
+			return fits ?
+				IB_OPCODE_XRC_SEND_LAST :
+				IB_OPCODE_XRC_SEND_MIDDLE;
+		else
+			return fits ?
+				IB_OPCODE_XRC_SEND_ONLY :
+				IB_OPCODE_XRC_SEND_FIRST;
+
+	case IB_WR_SEND_WITH_IMM:
+		if (qp->req.opcode == IB_OPCODE_XRC_SEND_FIRST ||
+		    qp->req.opcode == IB_OPCODE_XRC_SEND_MIDDLE)
+			return fits ?
+				IB_OPCODE_XRC_SEND_LAST_WITH_IMMEDIATE :
+				IB_OPCODE_XRC_SEND_MIDDLE;
+		else
+			return fits ?
+				IB_OPCODE_XRC_SEND_ONLY_WITH_IMMEDIATE :
+				IB_OPCODE_XRC_SEND_FIRST;
+
+	case IB_WR_RDMA_READ:
+		return IB_OPCODE_XRC_RDMA_READ_REQUEST;
+
+	case IB_WR_RDMA_READ_WITH_INV:
+		return IB_OPCODE_XRC_RDMA_READ_REQUEST;
+
+	case IB_WR_ATOMIC_CMP_AND_SWP:
+		return IB_OPCODE_XRC_COMPARE_SWAP;
+
+	case IB_WR_MASKED_ATOMIC_CMP_AND_SWP:
+		return -EOPNOTSUPP;
+
+	case IB_WR_ATOMIC_FETCH_AND_ADD:
+		return IB_OPCODE_XRC_FETCH_ADD;
+
+	case IB_WR_MASKED_ATOMIC_FETCH_AND_ADD:
+		return -EOPNOTSUPP;
+
+	case IB_WR_SEND_WITH_INV:
+		if (qp->req.opcode == IB_OPCODE_XRC_SEND_FIRST ||
+		    qp->req.opcode == IB_OPCODE_XRC_SEND_MIDDLE)
+			return fits ?
+				IB_OPCODE_XRC_SEND_LAST_WITH_INVALIDATE :
+				IB_OPCODE_XRC_SEND_MIDDLE;
+		else
+			return fits ?
+				IB_OPCODE_XRC_SEND_ONLY_WITH_INVALIDATE :
+				IB_OPCODE_XRC_SEND_FIRST;
+
+	case IB_WR_LOCAL_INV:
+	case IB_WR_REG_MR:
+	case IB_WR_BIND_MW:
+		return wr_opcode;
+	}
+
+	return -EINVAL;
+}
+
 int next_opcode(struct rxe_qp *qp, struct rxe_send_wqe *wqe, u32 opcode)
 {
 	int fits = (wqe->dma.resid <= qp->mtu);
@@ -1387,6 +1472,9 @@ int next_opcode(struct rxe_qp *qp, struct rxe_send_wqe *wqe, u32 opcode)
 	case IB_QPT_UC:
 		return next_opcode_uc(qp, opcode, fits);
 
+	case IB_QPT_XRC_INI:
+		return next_opcode_xrc(qp, opcode, fits);
+
 	case IB_QPT_UD:
 	case IB_QPT_GSI:
 		switch (opcode) {
-- 
2.34.1


  parent reply	other threads:[~2022-09-17  3:10 UTC|newest]

Thread overview: 10+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-09-17  3:10 [PATCH for-next 01/13] RDMA/rxe: Replace START->FIRST, END->LAST Bob Pearson
2022-09-17  3:10 ` [PATCH for-next 02/13] RDMA/rxe: Move next_opcode() to rxe_opcode.c Bob Pearson
2022-09-17  3:10 ` [PATCH for-next 03/13] RDMA: Add xrc opcodes to ib_pack.h Bob Pearson
2022-09-17  3:10 ` [PATCH for-next 04/13] RDMA/rxe: Extend opcodes and headers to support xrc Bob Pearson
2022-09-17  3:10 ` Bob Pearson [this message]
2022-09-17  3:10 ` [PATCH for-next 06/13] RDMA/rxe: Implement open_xrcd and close_xrcd Bob Pearson
2022-09-17  3:10 ` [PATCH for-next 07/13] RDMA/rxe: Extend srq verbs to support xrcd Bob Pearson
2022-09-17  3:10 ` [PATCH for-next 08/13] RDMA/rxe: Extend rxe_qp.c to support xrc qps Bob Pearson
2022-09-17  3:10 ` [PATCH for-next 09/13] RDMA/rxe: Extend rxe_recv.c to support xrc Bob Pearson
2022-09-17  3:10 [PATCH for-next 00/13] Implement the xrc transport Bob Pearson
2022-09-17  3:10 ` [PATCH for-next 05/13] RDMA/rxe: Add xrc opcodes to next_opcode() Bob Pearson

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