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From: Bob Pearson <rpearsonhpe@gmail.com>
To: jgg@nvidia.com, zyjzyj2000@gmail.com, linux-rdma@vger.kernel.org
Cc: Bob Pearson <rpearsonhpe@gmail.com>
Subject: [PATCH for-next 10/13] RDMA/rxe: Compute next opcode for XRC
Date: Thu, 29 Jul 2021 17:49:13 -0500	[thread overview]
Message-ID: <20210729224915.38986-11-rpearsonhpe@gmail.com> (raw)
In-Reply-To: <20210729224915.38986-1-rpearsonhpe@gmail.com>

Extend rxe_req.c to compute next opcodes for XRC work requests.

Signed-off-by: Bob Pearson <rpearsonhpe@gmail.com>
---
 drivers/infiniband/sw/rxe/rxe_req.c | 75 +++++++++++++++++++++++++++--
 1 file changed, 72 insertions(+), 3 deletions(-)

diff --git a/drivers/infiniband/sw/rxe/rxe_req.c b/drivers/infiniband/sw/rxe/rxe_req.c
index 3eee4d8dbe48..b6f6614a3f32 100644
--- a/drivers/infiniband/sw/rxe/rxe_req.c
+++ b/drivers/infiniband/sw/rxe/rxe_req.c
@@ -240,9 +240,75 @@ static int next_opcode_rc(struct rxe_qp *qp, u32 opcode, int fits)
 		else
 			return fits ? IB_OPCODE_RC_SEND_ONLY_WITH_INVALIDATE :
 				IB_OPCODE_RC_SEND_FIRST;
-	case IB_WR_REG_MR:
-	case IB_WR_LOCAL_INV:
-		return opcode;
+	}
+
+	return -EINVAL;
+}
+
+static int next_opcode_xrc(struct rxe_qp *qp, u32 opcode, int fits)
+{
+	switch (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_ATOMIC_CMP_AND_SWP:
+		return IB_OPCODE_XRC_COMPARE_SWAP;
+
+	case IB_WR_ATOMIC_FETCH_AND_ADD:
+		return IB_OPCODE_XRC_FETCH_ADD;
+
+	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;
 	}
 
 	return -EINVAL;
@@ -323,6 +389,9 @@ static int next_opcode(struct rxe_qp *qp, struct rxe_send_wqe *wqe,
 		}
 		break;
 
+	case IB_QPT_XRC_INI:
+		return next_opcode_xrc(qp, opcode, fits);
+
 	default:
 		break;
 	}
-- 
2.30.2


  parent reply	other threads:[~2021-07-29 22:50 UTC|newest]

Thread overview: 15+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-07-29 22:49 [PATCH for-next 00/13] RDMA:rxe: Implement XRC for rxe Bob Pearson
2021-07-29 22:49 ` [PATCH for-next 01/13] RDMA/rxe: Decouple rxe_pkt_info from sk_buff Bob Pearson
2021-08-27 13:01   ` Jason Gunthorpe
2021-07-29 22:49 ` [PATCH for-next 02/13] IB/core: Add xrc opcodes to ib_pack.h Bob Pearson
2021-07-29 22:49 ` [PATCH for-next 03/13] RDMA/rxe: Extend rxe_send_wr to support xrceth Bob Pearson
2021-07-29 22:49 ` [PATCH for-next 04/13] RDMA/rxe: Extend rxe_opcode.h to support xrc Bob Pearson
2021-07-29 22:49 ` [PATCH for-next 05/13] RDMA/rxe: Add XRC ETH to rxe_hdr.h Bob Pearson
2021-07-29 22:49 ` [PATCH for-next 06/13] RDMA/rxe: Add XRC QP type to rxe_wr_opcode_info Bob Pearson
2021-07-29 22:49 ` [PATCH for-next 07/13] RDMA/rxe: Add XRC opcodes to rxe_opcode_info Bob Pearson
2021-07-29 22:49 ` [PATCH for-next 08/13] RDMA/rxe: Support alloc/dealloc xrcd Bob Pearson
2021-07-29 22:49 ` [PATCH for-next 09/13] RDMA/rxe: Extend SRQs to support extensions Bob Pearson
2021-07-29 22:49 ` Bob Pearson [this message]
2021-07-29 22:49 ` [PATCH for-next 11/13] RDMA/rxe: Extend rxe_verbs and rxe_qp to support XRC Bob Pearson
2021-07-29 22:49 ` [PATCH for-next 12/13] RDMA/rxe: Extend rxe send XRC packets Bob Pearson
2021-07-29 22:49 ` [PATCH for-next 13/13] RDMA/rxe: Enable receiving " Bob Pearson

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