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 0D314C4363A for ; Fri, 23 Oct 2020 16:26:14 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id B9C9721D47 for ; Fri, 23 Oct 2020 16:26:13 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1750451AbgJWQ0N (ORCPT ); Fri, 23 Oct 2020 12:26:13 -0400 Received: from mga17.intel.com ([192.55.52.151]:10550 "EHLO mga17.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750557AbgJWQ0M (ORCPT ); Fri, 23 Oct 2020 12:26:12 -0400 IronPort-SDR: SpPBnGCJrvswRmL+fCwhmg36Jt/qQQAGVLaVQJ6hzxfy0yH5O9QZQ4J+FzoEro6Z/2m6AL2QtA tUyZnHyOU6iQ== X-IronPort-AV: E=McAfee;i="6000,8403,9782"; a="147556659" X-IronPort-AV: E=Sophos;i="5.77,409,1596524400"; d="scan'208";a="147556659" X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from fmsmga004.fm.intel.com ([10.253.24.48]) by fmsmga107.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 23 Oct 2020 09:26:12 -0700 IronPort-SDR: kn9nRitkIU9KBZtka5v7dlLch/6Z4D4K3lpKLolOkJR4W3sSJQIBWJwUnmVzBP0IcR+qq+wusm V5dn7zyB7wxA== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.77,409,1596524400"; d="scan'208";a="349257197" Received: from cst-dev.jf.intel.com ([10.23.221.69]) by fmsmga004.fm.intel.com with ESMTP; 23 Oct 2020 09:26:12 -0700 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 v6 2/4] RDMA/core: Add device method for registering dma-buf base memory region Date: Fri, 23 Oct 2020 09:39:59 -0700 Message-Id: <1603471201-32588-3-git-send-email-jianxin.xiong@intel.com> X-Mailer: git-send-email 1.8.3.1 In-Reply-To: <1603471201-32588-1-git-send-email-jianxin.xiong@intel.com> References: <1603471201-32588-1-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 feaec8d..d6cd0ac 100644 --- a/drivers/infiniband/core/device.c +++ b/drivers/infiniband/core/device.c @@ -2653,6 +2653,7 @@ 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 9bf6c31..5f0f8be 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. @@ -2429,6 +2429,10 @@ 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