From patchwork Tue Dec 6 13:01:54 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Li Zhijian X-Patchwork-Id: 13065760 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 7257AC4708E for ; Tue, 6 Dec 2022 13:03:02 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232165AbiLFNDA (ORCPT ); Tue, 6 Dec 2022 08:03:00 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:39318 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S234765AbiLFNCV (ORCPT ); Tue, 6 Dec 2022 08:02:21 -0500 Received: from esa2.hc1455-7.c3s2.iphmx.com (esa2.hc1455-7.c3s2.iphmx.com [207.54.90.48]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 4AC6F120AF; Tue, 6 Dec 2022 05:02:19 -0800 (PST) X-IronPort-AV: E=McAfee;i="6500,9779,10552"; a="98835147" X-IronPort-AV: E=Sophos;i="5.96,222,1665414000"; d="scan'208";a="98835147" Received: from unknown (HELO yto-r3.gw.nic.fujitsu.com) ([218.44.52.219]) by esa2.hc1455-7.c3s2.iphmx.com with ESMTP; 06 Dec 2022 22:02:16 +0900 Received: from yto-m1.gw.nic.fujitsu.com (yto-nat-yto-m1.gw.nic.fujitsu.com [192.168.83.64]) by yto-r3.gw.nic.fujitsu.com (Postfix) with ESMTP id C9BFBC3F8B; Tue, 6 Dec 2022 22:02:14 +0900 (JST) Received: from kws-ab2.gw.nic.fujitsu.com (kws-ab2.gw.nic.fujitsu.com [192.51.206.12]) by yto-m1.gw.nic.fujitsu.com (Postfix) with ESMTP id 076C2CFF80; Tue, 6 Dec 2022 22:02:14 +0900 (JST) Received: from FNSTPC.g08.fujitsu.local (unknown [10.167.226.45]) by kws-ab2.gw.nic.fujitsu.com (Postfix) with ESMTP id E0C7C2340E31; Tue, 6 Dec 2022 22:02:12 +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, tom@talpey.com, tomasz.gromadzki@intel.com, dan.j.williams@intel.com, linux-kernel@vger.kernel.org, Li Zhijian Subject: [for-next PATCH 03/10] RDMA/rxe: Extend rxe user ABI to support flush Date: Tue, 6 Dec 2022 21:01:54 +0800 Message-Id: <20221206130201.30986-4-lizhijian@fujitsu.com> X-Mailer: git-send-email 2.38.1 In-Reply-To: <20221206130201.30986-1-lizhijian@fujitsu.com> References: <20221206130201.30986-1-lizhijian@fujitsu.com> MIME-Version: 1.0 X-TM-AS-GCONF: 00 X-TM-AS-Product-Ver: IMSS-9.1.0.1408-9.0.0.1002-27306.007 X-TM-AS-User-Approved-Sender: Yes X-TMASE-Version: IMSS-9.1.0.1408-9.0.1002-27306.007 X-TMASE-Result: 10--3.211900-10.000000 X-TMASE-MatchedRID: y6wt06uo3+c3i8FXueJ7nioiRKlBVkYI4Tk+Ydnj9RtFms6YEs23D8s0 A8Och09BxTsa1zsKwGAzoUNAtFjsci/7QU2czuUNA9lly13c/gGrHFhHKqXuS+0NA4pWf9v6o8W MkQWv6iUCY+lsYFiWG+TCMddcL/gjxlblqLlYqXJg243VUQ5gotJhlo0wNlMFQMD5e+hgqWRXTh L/dK+xeOyS7sw3mWnswiMLr/K4x/apuDSvn6Qo2cK7Bppu98quggOgxRV1TfARZbRsQk5MBUB1Q Pq9bxnWZkAxAwjIrrMHz/H0kiLyEqGAtHMDjkk9 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 This commit extends the rxe user ABI to support the flush operation defined in IBA A19.4.1. These changes are backward compatible with the existing rxe user ABI. The user API request a flush by filling this structure. Reviewed-by: Zhu Yanjun Signed-off-by: Li Zhijian --- V5: new patch split scheme, suggested by Bob --- include/uapi/rdma/rdma_user_rxe.h | 7 +++++++ 1 file changed, 7 insertions(+) diff --git a/include/uapi/rdma/rdma_user_rxe.h b/include/uapi/rdma/rdma_user_rxe.h index d20d1ecf046f..bb092fccb813 100644 --- a/include/uapi/rdma/rdma_user_rxe.h +++ b/include/uapi/rdma/rdma_user_rxe.h @@ -82,6 +82,13 @@ struct rxe_send_wr { __u32 invalidate_rkey; } ex; union { + struct { + __aligned_u64 remote_addr; + __u32 length; + __u32 rkey; + __u8 type; + __u8 level; + } flush; struct { __aligned_u64 remote_addr; __u32 rkey;