From mboxrd@z Thu Jan 1 00:00:00 1970 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=-12.7 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,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 33CD6C55179 for ; Wed, 4 Nov 2020 21:52:46 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id E07D320780 for ; Wed, 4 Nov 2020 21:52:45 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1731533AbgKDVwo (ORCPT ); Wed, 4 Nov 2020 16:52:44 -0500 Received: from mga14.intel.com ([192.55.52.115]:38123 "EHLO mga14.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1731555AbgKDVwn (ORCPT ); Wed, 4 Nov 2020 16:52:43 -0500 IronPort-SDR: 2FWLpy93dqj/KqTHZhcrcTYfuUN6meEwssCCLgRCOcHfZiRkdh+VYKSF0PdH0HBfl6qwV50wY8 GeEF5kaeer3g== X-IronPort-AV: E=McAfee;i="6000,8403,9795"; a="168509119" X-IronPort-AV: E=Sophos;i="5.77,451,1596524400"; d="scan'208";a="168509119" X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from orsmga002.jf.intel.com ([10.7.209.21]) by fmsmga103.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 04 Nov 2020 13:52:42 -0800 IronPort-SDR: IbyUh0/5eOKCxWm/PWcYwUcjE00GFg1dGONu9ONduZZJ+5EUzhUC6Xg9QaF+SdukgoqW+olGBN yEtvwMvz3iNA== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.77,451,1596524400"; d="scan'208";a="337019384" Received: from cst-dev.jf.intel.com ([10.23.221.69]) by orsmga002.jf.intel.com with ESMTP; 04 Nov 2020 13:52:42 -0800 From: Jianxin Xiong To: linux-rdma@vger.kernel.org, dri-devel@lists.freedesktop.org Cc: Jianxin Xiong , Doug Ledford , Jason Gunthorpe , Leon Romanovsky , Sumit Semwal , Christian Koenig , Daniel Vetter Subject: [PATCH v7 2/5] RDMA/core: Add device method for registering dma-buf based memory region Date: Wed, 4 Nov 2020 14:06:32 -0800 Message-Id: <1604527595-39736-3-git-send-email-jianxin.xiong@intel.com> X-Mailer: git-send-email 1.8.3.1 In-Reply-To: <1604527595-39736-1-git-send-email-jianxin.xiong@intel.com> References: <1604527595-39736-1-git-send-email-jianxin.xiong@intel.com> Precedence: bulk List-ID: X-Mailing-List: linux-rdma@vger.kernel.org Dma-buf based memory region requires one extra parameter and is processed quite differently. Adding a separate method allows clean separation from regular memory regions. Signed-off-by: Jianxin Xiong Reviewed-by: Sean Hefty Acked-by: Michael J. Ruhl Acked-by: Christian Koenig Acked-by: Daniel Vetter --- drivers/infiniband/core/device.c | 1 + include/rdma/ib_verbs.h | 6 +++++- 2 files changed, 6 insertions(+), 1 deletion(-) diff --git a/drivers/infiniband/core/device.c b/drivers/infiniband/core/device.c index ce26564..6768a19 100644 --- a/drivers/infiniband/core/device.c +++ b/drivers/infiniband/core/device.c @@ -2689,6 +2689,7 @@ void ib_set_device_ops(struct ib_device *dev, const struct ib_device_ops *ops) SET_DEVICE_OP(dev_ops, read_counters); SET_DEVICE_OP(dev_ops, reg_dm_mr); SET_DEVICE_OP(dev_ops, reg_user_mr); + SET_DEVICE_OP(dev_ops, reg_user_mr_dmabuf); SET_DEVICE_OP(dev_ops, req_ncomp_notif); SET_DEVICE_OP(dev_ops, req_notify_cq); SET_DEVICE_OP(dev_ops, rereg_user_mr); diff --git a/include/rdma/ib_verbs.h b/include/rdma/ib_verbs.h index 9420827..3d1d098 100644 --- a/include/rdma/ib_verbs.h +++ b/include/rdma/ib_verbs.h @@ -2,7 +2,7 @@ /* * Copyright (c) 2004 Mellanox Technologies Ltd. All rights reserved. * Copyright (c) 2004 Infinicon Corporation. All rights reserved. - * Copyright (c) 2004 Intel Corporation. All rights reserved. + * Copyright (c) 2004, 2020 Intel Corporation. All rights reserved. * Copyright (c) 2004 Topspin Corporation. All rights reserved. * Copyright (c) 2004 Voltaire Corporation. All rights reserved. * Copyright (c) 2005 Sun Microsystems, Inc. All rights reserved. @@ -2433,6 +2433,10 @@ struct ib_device_ops { struct ib_mr *(*reg_user_mr)(struct ib_pd *pd, u64 start, u64 length, u64 virt_addr, int mr_access_flags, struct ib_udata *udata); + struct ib_mr *(*reg_user_mr_dmabuf)(struct ib_pd *pd, u64 offset, + u64 length, u64 virt_addr, int fd, + int mr_access_flags, + struct ib_udata *udata); int (*rereg_user_mr)(struct ib_mr *mr, int flags, u64 start, u64 length, u64 virt_addr, int mr_access_flags, struct ib_pd *pd, struct ib_udata *udata); -- 1.8.3.1