From patchwork Tue Sep 27 05:53:35 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Li Zhijian X-Patchwork-Id: 12989905 X-Patchwork-Delegate: jgg@ziepe.ca Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 574AFC07E9D for ; Tue, 27 Sep 2022 05:54:20 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229985AbiI0FyS (ORCPT ); Tue, 27 Sep 2022 01:54:18 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:52952 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229713AbiI0FyM (ORCPT ); Tue, 27 Sep 2022 01:54:12 -0400 Received: from esa8.hc1455-7.c3s2.iphmx.com (esa8.hc1455-7.c3s2.iphmx.com [139.138.61.253]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id F3AE79875D; Mon, 26 Sep 2022 22:54:10 -0700 (PDT) X-IronPort-AV: E=McAfee;i="6500,9779,10482"; a="78051765" X-IronPort-AV: E=Sophos;i="5.93,348,1654527600"; d="scan'208";a="78051765" Received: from unknown (HELO yto-r1.gw.nic.fujitsu.com) ([218.44.52.217]) by esa8.hc1455-7.c3s2.iphmx.com with ESMTP; 27 Sep 2022 14:54:08 +0900 Received: from yto-m1.gw.nic.fujitsu.com (yto-nat-yto-m1.gw.nic.fujitsu.com [192.168.83.64]) by yto-r1.gw.nic.fujitsu.com (Postfix) with ESMTP id 7E03FDAFD3; Tue, 27 Sep 2022 14:54:07 +0900 (JST) Received: from kws-ab1.gw.nic.fujitsu.com (kws-ab1.gw.nic.fujitsu.com [192.51.206.11]) by yto-m1.gw.nic.fujitsu.com (Postfix) with ESMTP id 97059CFBA0; Tue, 27 Sep 2022 14:54:06 +0900 (JST) Received: from FNSTPC.g08.fujitsu.local (unknown [10.167.226.45]) by kws-ab1.gw.nic.fujitsu.com (Postfix) with ESMTP id 6184E11416F0; Tue, 27 Sep 2022 14:54:05 +0900 (JST) From: Li Zhijian To: Bob Pearson , Leon Romanovsky , Jason Gunthorpe , linux-rdma@vger.kernel.org Cc: Zhu Yanjun , yangx.jy@fujitsu.com, y-goto@fujitsu.com, mbloch@nvidia.com, liangwenpeng@huawei.com, tom@talpey.com, tomasz.gromadzki@intel.com, dan.j.williams@intel.com, linux-kernel@vger.kernel.org, Li Zhijian Subject: [for-next PATCH v5 09/11] RDMA/rxe: Implement flush completion Date: Tue, 27 Sep 2022 13:53:35 +0800 Message-Id: <20220927055337.22630-10-lizhijian@fujitsu.com> X-Mailer: git-send-email 2.36.0 In-Reply-To: <20220927055337.22630-1-lizhijian@fujitsu.com> References: <20220927055337.22630-1-lizhijian@fujitsu.com> MIME-Version: 1.0 X-TM-AS-GCONF: 00 X-TM-AS-Product-Ver: IMSS-9.1.0.1408-9.0.0.1002-27166.005 X-TM-AS-User-Approved-Sender: Yes X-TMASE-Version: IMSS-9.1.0.1408-9.0.1002-27166.005 X-TMASE-Result: 10--2.732800-10.000000 X-TMASE-MatchedRID: pif/TqAgu++ojsVP+osNyI4V8tCoXo/SwTlc9CcHMZerwqxtE531VNnf JrUSEbFDd5/rOwjY0ImeLHNUN8SOI5cLewwAa76fzr16YOzjZ119LQinZ4QefCP/VFuTOXUTae6 hIZpj4MuOhzOa6g8KrXfKRqKbAgK48rdj9xzzZbvOGSIquzXm+ylvQrIP5c7Z6RcPK5XUP8wsIO 1Lf7K72dySj4SWdA0m7hd/53vJMo1xp3rD8nnW8BXBt/mUREyAj/ZFF9Wfm7hNy7ppG0IjcFQqk 0j7vLVUewMSBDreIdk= X-TMASE-SNAP-Result: 1.821001.0001-0-1-22:0,33:0,34:0-0 Precedence: bulk List-ID: X-Mailing-List: linux-rdma@vger.kernel.org Per IBA SPEC, FLUSH will ack in rdma read response with 0 length. Use IB_WC_FLUSH (aka IB_UVERBS_WC_FLUSH) code to tell userspace a FLUSH completion. Signed-off-by: Li Zhijian --- drivers/infiniband/sw/rxe/rxe_comp.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/drivers/infiniband/sw/rxe/rxe_comp.c b/drivers/infiniband/sw/rxe/rxe_comp.c index fb0c008af78c..2dea786e20ad 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_FLUSH: return IB_WC_FLUSH; default: return 0xff; @@ -263,7 +264,8 @@ 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_FLUSH) { wqe->status = IB_WC_FATAL_ERR; return COMPST_ERROR; }