From patchwork Mon Dec 7 22:15:51 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Xiong, Jianxin" X-Patchwork-Id: 11956941 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=-16.7 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,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 CC065C4361B for ; Mon, 7 Dec 2020 22:00:37 +0000 (UTC) Received: from gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 8956323436 for ; Mon, 7 Dec 2020 22:00:37 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 8956323436 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=intel.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=dri-devel-bounces@lists.freedesktop.org Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id D04F86E8CE; Mon, 7 Dec 2020 22:00:33 +0000 (UTC) Received: from mga07.intel.com (mga07.intel.com [134.134.136.100]) by gabe.freedesktop.org (Postfix) with ESMTPS id 2855D6E8CC for ; Mon, 7 Dec 2020 22:00:31 +0000 (UTC) IronPort-SDR: L3vaRYEyyMM6mdZMdFArEECVpR5PuC6UcfbcrCVuw324Zme4DHAJLqhwzidr0SRP5I/6rAijC5 1dB6UQ0cd0HQ== X-IronPort-AV: E=McAfee;i="6000,8403,9828"; a="237890198" X-IronPort-AV: E=Sophos;i="5.78,400,1599548400"; d="scan'208";a="237890198" Received: from orsmga007.jf.intel.com ([10.7.209.58]) by orsmga105.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 07 Dec 2020 14:00:29 -0800 IronPort-SDR: dzZphDT55CB5bs4o4eVdC5851L/5keu59RkUCjO9vxRZ8VMjz9HJ5cHrdsVffTO5R+Btfc16oQ X4ZB0PzVYSKQ== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.78,400,1599548400"; d="scan'208";a="374912730" Received: from cst-dev.jf.intel.com ([10.23.221.69]) by orsmga007.jf.intel.com with ESMTP; 07 Dec 2020 14:00:29 -0800 From: Jianxin Xiong To: linux-rdma@vger.kernel.org, dri-devel@lists.freedesktop.org Subject: [PATCH v13 2/4] RDMA/core: Add device method for registering dma-buf based memory region Date: Mon, 7 Dec 2020 14:15:51 -0800 Message-Id: <1607379353-116215-3-git-send-email-jianxin.xiong@intel.com> X-Mailer: git-send-email 1.8.3.1 In-Reply-To: <1607379353-116215-1-git-send-email-jianxin.xiong@intel.com> References: <1607379353-116215-1-git-send-email-jianxin.xiong@intel.com> X-BeenThere: dri-devel@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Direct Rendering Infrastructure - Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Leon Romanovsky , Jason Gunthorpe , Doug Ledford , Daniel Vetter , Christian Koenig , Jianxin Xiong MIME-Version: 1.0 Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" 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 Reviewed-by: Leon Romanovsky --- 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 3ab1ede..23f7440 100644 --- a/drivers/infiniband/core/device.c +++ b/drivers/infiniband/core/device.c @@ -2677,6 +2677,7 @@ 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 7bee8ab..fa3882b 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);