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From: Li Zhijian <lizhijian@cn.fujitsu.com>
To: <linux-rdma@vger.kernel.org>, <zyjzyj2000@gmail.com>,
	<jgg@ziepe.ca>, <aharonl@nvidia.com>, <leon@kernel.org>
Cc: <linux-kernel@vger.kernel.org>, <mbloch@nvidia.com>,
	<liweihang@huawei.com>, <liangwenpeng@huawei.com>,
	<yangx.jy@cn.fujitsu.com>, <rpearsonhpe@gmail.com>,
	<y-goto@fujitsu.com>, Li Zhijian <lizhijian@cn.fujitsu.com>
Subject: [RFC PATCH rdma-next 09/10] RDMA/rxe: Implement flush completion
Date: Tue, 28 Dec 2021 16:07:16 +0800	[thread overview]
Message-ID: <20211228080717.10666-10-lizhijian@cn.fujitsu.com> (raw)
In-Reply-To: <20211228080717.10666-1-lizhijian@cn.fujitsu.com>

Introduce a new IB_UVERBS_WC_FLUSH code to tell userspace a FLUSH
completion.

Signed-off-by: Li Zhijian <lizhijian@cn.fujitsu.com>
---
 drivers/infiniband/sw/rxe/rxe_comp.c | 4 +++-
 include/rdma/ib_verbs.h              | 1 +
 include/uapi/rdma/ib_user_verbs.h    | 1 +
 3 files changed, 5 insertions(+), 1 deletion(-)

diff --git a/drivers/infiniband/sw/rxe/rxe_comp.c b/drivers/infiniband/sw/rxe/rxe_comp.c
index f363fe3fa414..e5b9d07eba93 100644
--- a/drivers/infiniband/sw/rxe/rxe_comp.c
+++ b/drivers/infiniband/sw/rxe/rxe_comp.c
@@ -104,6 +104,7 @@ static enum ib_wc_opcode wr_to_wc_opcode(enum ib_wr_opcode opcode)
 	case IB_WR_LOCAL_INV:			return IB_WC_LOCAL_INV;
 	case IB_WR_REG_MR:			return IB_WC_REG_MR;
 	case IB_WR_BIND_MW:			return IB_WC_BIND_MW;
+	case IB_WR_RDMA_FLUSH:			return IB_WC_RDMA_FLUSH;
 
 	default:
 		return 0xff;
@@ -261,7 +262,8 @@ static inline enum comp_state check_ack(struct rxe_qp *qp,
 		 */
 	case IB_OPCODE_RC_RDMA_READ_RESPONSE_MIDDLE:
 		if (wqe->wr.opcode != IB_WR_RDMA_READ &&
-		    wqe->wr.opcode != IB_WR_RDMA_READ_WITH_INV) {
+		    wqe->wr.opcode != IB_WR_RDMA_READ_WITH_INV &&
+		    wqe->wr.opcode != IB_WR_RDMA_FLUSH) {
 			wqe->status = IB_WC_FATAL_ERR;
 			return COMPST_ERROR;
 		}
diff --git a/include/rdma/ib_verbs.h b/include/rdma/ib_verbs.h
index d336f2f8bb69..d528f2c4eba0 100644
--- a/include/rdma/ib_verbs.h
+++ b/include/rdma/ib_verbs.h
@@ -963,6 +963,7 @@ const char *__attribute_const__ ib_wc_status_msg(enum ib_wc_status status);
 enum ib_wc_opcode {
 	IB_WC_SEND = IB_UVERBS_WC_SEND,
 	IB_WC_RDMA_WRITE = IB_UVERBS_WC_RDMA_WRITE,
+	IB_WC_RDMA_FLUSH = IB_UVERBS_WC_FLUSH,
 	IB_WC_RDMA_READ = IB_UVERBS_WC_RDMA_READ,
 	IB_WC_COMP_SWAP = IB_UVERBS_WC_COMP_SWAP,
 	IB_WC_FETCH_ADD = IB_UVERBS_WC_FETCH_ADD,
diff --git a/include/uapi/rdma/ib_user_verbs.h b/include/uapi/rdma/ib_user_verbs.h
index efa06f53c7c6..b9d6b3ca5708 100644
--- a/include/uapi/rdma/ib_user_verbs.h
+++ b/include/uapi/rdma/ib_user_verbs.h
@@ -476,6 +476,7 @@ enum ib_uverbs_wc_opcode {
 	IB_UVERBS_WC_BIND_MW = 5,
 	IB_UVERBS_WC_LOCAL_INV = 6,
 	IB_UVERBS_WC_TSO = 7,
+	IB_UVERBS_WC_FLUSH = 8,
 };
 
 struct ib_uverbs_wc {
-- 
2.31.1




  parent reply	other threads:[~2021-12-28  8:02 UTC|newest]

Thread overview: 49+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-12-28  8:07 [RFC PATCH rdma-next 00/10] RDMA/rxe: Add RDMA FLUSH operation Li Zhijian
2021-12-28  8:07 ` [RFC PATCH rdma-next 01/10] RDMA: mr: Introduce is_pmem Li Zhijian
2022-01-06  0:21   ` Jason Gunthorpe
2022-01-06  6:12     ` lizhijian
2022-01-14  8:10       ` Li, Zhijian
2022-01-27 22:30         ` Jeff Moyer
2022-01-16 18:11       ` Dan Williams
2022-01-18  8:55         ` lizhijian
2022-01-18 15:28           ` Dan Williams
2022-01-19  2:01             ` lizhijian
2021-12-28  8:07 ` [RFC PATCH rdma-next 02/10] RDMA: Allow registering MR with flush access flags Li Zhijian
2021-12-28  8:07 ` [RFC PATCH rdma-next 03/10] RDMA/rxe: Allow registering FLUSH flags for supported device only Li Zhijian
2022-01-06  0:22   ` Jason Gunthorpe
2022-01-06  6:20     ` lizhijian
2022-01-13  6:43   ` lizhijian
2021-12-28  8:07 ` [RFC PATCH rdma-next 04/10] RDMA/rxe: Enable IB_DEVICE_RDMA_FLUSH for rxe device Li Zhijian
2022-01-06  0:22   ` Jason Gunthorpe
2022-01-06  6:26     ` lizhijian
2021-12-28  8:07 ` [RFC PATCH rdma-next 05/10] RDMA/rxe: Allow registering persistent flag for pmem MR only Li Zhijian
2021-12-30 22:25   ` Tom Talpey
2021-12-31  3:34     ` lizhijian
2021-12-31 14:40       ` Tom Talpey
2022-01-04  1:32         ` lizhijian
2021-12-28  8:07 ` [RFC PATCH rdma-next 06/10] RDMA/rxe: Implement RC RDMA FLUSH service in requester side Li Zhijian
2021-12-28  8:07 ` [RFC PATCH rdma-next 07/10] RDMA/rxe: Set BTH's SE to zero for FLUSH packet Li Zhijian
2021-12-28  8:07 ` [RFC PATCH rdma-next 08/10] RDMA/rxe: Implement flush execution in responder side Li Zhijian
2021-12-30 22:18   ` Tom Talpey
2021-12-31  1:37     ` lizhijian
2021-12-31  2:32       ` Tom Talpey
2022-01-04  8:51         ` lizhijian
2022-01-04 16:02           ` Tom Talpey
2022-01-06  0:35         ` Jason Gunthorpe
2022-01-04 16:40   ` Tom Talpey
2022-01-05  1:43     ` lizhijian
2022-01-06  0:28   ` Jason Gunthorpe
2022-01-06  6:42     ` lizhijian
2022-01-06 17:33       ` Jason Gunthorpe
2022-01-10  5:45         ` lizhijian
2022-01-10 14:34           ` Jason Gunthorpe
2022-01-11  5:34             ` lizhijian
2022-01-11 20:48               ` Jason Gunthorpe
2022-01-12  9:50                 ` lizhijian
2022-01-12 13:12                   ` Jason Gunthorpe
2022-01-13  6:29                     ` lizhijian
2021-12-28  8:07 ` Li Zhijian [this message]
2021-12-28  8:07 ` [RFC PATCH rdma-next 10/10] RDMA/rxe: Add RD FLUSH service support Li Zhijian
2021-12-29  8:49 ` [RFC PATCH rdma-next 00/10] RDMA/rxe: Add RDMA FLUSH operation Gromadzki, Tomasz
2021-12-29 14:35   ` Tom Talpey
2021-12-31  1:10     ` lizhijian

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