From patchwork Tue May 25 21:37:42 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Bob Pearson X-Patchwork-Id: 12280241 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-15.8 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 7A974C4707F for ; Tue, 25 May 2021 21:38:33 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 590B6613D5 for ; Tue, 25 May 2021 21:38:33 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232267AbhEYVkC (ORCPT ); Tue, 25 May 2021 17:40:02 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:59942 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230253AbhEYVkB (ORCPT ); Tue, 25 May 2021 17:40:01 -0400 Received: from mail-oi1-x233.google.com (mail-oi1-x233.google.com [IPv6:2607:f8b0:4864:20::233]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id B5636C061574 for ; Tue, 25 May 2021 14:38:29 -0700 (PDT) Received: by mail-oi1-x233.google.com with SMTP id w127so27848717oig.12 for ; Tue, 25 May 2021 14:38:29 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=from:to:cc:subject:date:message-id:mime-version :content-transfer-encoding; bh=joBW7ooPOnWQ9XBYJKEGBSdINm6mTef6YMUxipMqFK0=; b=B4HYvJfCI1PiHLS7X7j8Und9RW+0N+ACPEeGiLfHj+dThPRgfQggUWE9uoNMNFmn8H S2QZPsY8YroKOs+OfzH5yQivENWa2XSop2+gHejSdsN4QspT9GKDPnChUzwK1I8OLs/2 pClf/5AgiPBlNDqmTi4KT5kDUIin1NQaaa9BZvRid4b/DpkuQQqZF6DZCtarRXeAE7SA TY86cvsWFZ6qyPAnXQUHANUezHEn4awzFmcrEmDyGDdhVC84TEJBa4sVTe8rnNhZEa6C Yz8PAMB8vebPRcpuUFOnu6d6K+BSDl9hRedTX5SECBMkvOweTxQemrXAG0fDW5ZDcTqt WoOQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:mime-version :content-transfer-encoding; bh=joBW7ooPOnWQ9XBYJKEGBSdINm6mTef6YMUxipMqFK0=; b=qrX8QYO/8UN+YLeVET4l651ROGP/py1h05x9EzWWpOWKhqOHS/MGpi+oXI0BGGseNG 0XB0seiKtV6MaptQfDWDfYSGXMnV86UkM2SakaxVZaNd5X6iLsrw3HngZF5mZljD67Gs yAay9AKd2Ft0tMJTgkqkMZV5/hdFtH1rJ4RlOYQAfRdBNo+b3Vq2AC9+wBbZaxK24kfg ErnLvxgJ69nJTHs20tlmKogVxZUM4rL9ZdGxFwRgsEmW8RVGRT9xN6wah6UDO1eMeFx9 vZU73GjP8ggGRTtk3lRu5NQ1pWODcf6+f9AsKZ4hbZLK9oVhFY6EvVlYA0wEbvXqdo5l nYig== X-Gm-Message-State: AOAM533xCYaJymNIQiOMrsWyyoBGrBgM3oAKFP5RTZhQg+MS8w/ovLPh j9vEPHAaszed1pJc/FdcaW4= X-Google-Smtp-Source: ABdhPJw3tywdqMxGWlVoCWHT86LUQtyHw3Lo5M26WkAamJMztjJtCu1ugmvHvxU7unRYOx3RJzw8lA== X-Received: by 2002:aca:42c6:: with SMTP id p189mr276053oia.36.1621978709104; Tue, 25 May 2021 14:38:29 -0700 (PDT) Received: from localhost (2603-8081-140c-1a00-e4a4-ac6f-8cca-71ad.res6.spectrum.com. [2603:8081:140c:1a00:e4a4:ac6f:8cca:71ad]) by smtp.gmail.com with ESMTPSA id f6sm3523376otb.64.2021.05.25.14.38.27 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 25 May 2021 14:38:28 -0700 (PDT) From: Bob Pearson To: jgg@nvidia.com, zyj2000@gmail.com, linux-rdma@vger.kernel.org Cc: Bob Pearson Subject: [PATCH for-next v8 00/10] RDMA/rxe: Implement memory windows Date: Tue, 25 May 2021 16:37:42 -0500 Message-Id: <20210525213751.629017-1-rpearsonhpe@gmail.com> X-Mailer: git-send-email 2.30.2 MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-rdma@vger.kernel.org This series of patches implement memory windows for the rdma_rxe driver. This is a shorter reimplementation of an earlier patch set. They apply to and depend on the current for-next linux rdma tree. Signed-off-by: Bob Pearson --- v8: Dropped wr.mw.flags in the rxe_send_wr struct in rdma_user_rxe.h. v7: Fixed a duplicate INIT_RDMA_OBJ_SIZE(ib_mw, ...) in rxe_verbs.c. v6: Added rxe_ prefix to subroutine names in lines that changed from Zhu's review of v5. v5: Fixed a typo in 10th patch. v4: Added a 10th patch to check when MRs have bound MWs and disallow dereg and invalidate operations. v3: cleaned up void return and lower case enums from Zhu's review. v2: cleaned up an issue in rdma_user_rxe.h cleaned up a collision in rxe_resp.c Bob Pearson (10): RDMA/rxe: Add bind MW fields to rxe_send_wr RDMA/rxe: Return errors for add index and key RDMA/rxe: Enable MW object pool RDMA/rxe: Add ib_alloc_mw and ib_dealloc_mw verbs RDMA/rxe: Replace WR_REG_MASK by WR_LOCAL_OP_MASK RDMA/rxe: Move local ops to subroutine RDMA/rxe: Add support for bind MW work requests RDMA/rxe: Implement invalidate MW operations RDMA/rxe: Implement memory access through MWs RDMA/rxe: Disallow MR dereg and invalidate when bound drivers/infiniband/sw/rxe/Makefile | 1 + drivers/infiniband/sw/rxe/rxe.c | 1 + drivers/infiniband/sw/rxe/rxe_comp.c | 5 +- drivers/infiniband/sw/rxe/rxe_loc.h | 36 +-- drivers/infiniband/sw/rxe/rxe_mr.c | 126 ++++++--- drivers/infiniband/sw/rxe/rxe_mw.c | 343 +++++++++++++++++++++++++ drivers/infiniband/sw/rxe/rxe_opcode.c | 11 +- drivers/infiniband/sw/rxe/rxe_opcode.h | 3 +- drivers/infiniband/sw/rxe/rxe_param.h | 19 +- drivers/infiniband/sw/rxe/rxe_pool.c | 45 ++-- drivers/infiniband/sw/rxe/rxe_pool.h | 8 +- drivers/infiniband/sw/rxe/rxe_req.c | 104 +++++--- drivers/infiniband/sw/rxe/rxe_resp.c | 111 +++++--- drivers/infiniband/sw/rxe/rxe_verbs.c | 15 +- drivers/infiniband/sw/rxe/rxe_verbs.h | 48 +++- include/uapi/rdma/rdma_user_rxe.h | 10 + 16 files changed, 702 insertions(+), 184 deletions(-) create mode 100644 drivers/infiniband/sw/rxe/rxe_mw.c