From patchwork Tue Dec 28 08:07:09 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Li Zhijian X-Patchwork-Id: 12700226 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 4C480C433EF for ; Tue, 28 Dec 2021 08:02:20 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S235479AbhL1ICT (ORCPT ); Tue, 28 Dec 2021 03:02:19 -0500 Received: from mail.cn.fujitsu.com ([183.91.158.132]:10151 "EHLO heian.cn.fujitsu.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S235464AbhL1ICS (ORCPT ); Tue, 28 Dec 2021 03:02:18 -0500 IronPort-Data: A9a23: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 IronPort-HdrOrdr: A9a23:I8ttva4u5M/IRmAdTAPXwCzXdLJyesId70hD6qhwISY6TiX+rbHJoB17726MtN9/YhEdcLy7VJVoBEmskKKdgrNhWotKPjOW21dARbsKheCJrgEIWReOktK1vp0AT0ERMrLN5CBB/KTHCReDYqsd6ejC4Ka1nv3f0nsoaQlrbptr5wB/Bh3zKDwMeCB2QYo+CIGH5tdK4x6peXEsZMy9AXUfG8fZodmjruOdXTc2Qw4g9BKVjS6lrJrzEx2j1B8YVD9VhZcOmFK16zDE2g== X-IronPort-AV: E=Sophos;i="5.88,241,1635177600"; d="scan'208";a="119657409" Received: from unknown (HELO cn.fujitsu.com) ([10.167.33.5]) by heian.cn.fujitsu.com with ESMTP; 28 Dec 2021 16:01:53 +0800 Received: from G08CNEXMBPEKD06.g08.fujitsu.local (unknown [10.167.33.206]) by cn.fujitsu.com (Postfix) with ESMTP id 06CDB4D15A22; Tue, 28 Dec 2021 16:01:48 +0800 (CST) Received: from G08CNEXCHPEKD09.g08.fujitsu.local (10.167.33.85) by G08CNEXMBPEKD06.g08.fujitsu.local (10.167.33.206) with Microsoft SMTP Server (TLS) id 15.0.1497.23; Tue, 28 Dec 2021 16:01:46 +0800 Received: from localhost.localdomain (10.167.225.141) by G08CNEXCHPEKD09.g08.fujitsu.local (10.167.33.209) with Microsoft SMTP Server id 15.0.1497.23 via Frontend Transport; Tue, 28 Dec 2021 16:01:45 +0800 From: Li Zhijian To: , , , , CC: , , , , , , , Li Zhijian Subject: [RFC PATCH rdma-next 02/10] RDMA: Allow registering MR with flush access flags Date: Tue, 28 Dec 2021 16:07:09 +0800 Message-ID: <20211228080717.10666-3-lizhijian@cn.fujitsu.com> X-Mailer: git-send-email 2.31.1 In-Reply-To: <20211228080717.10666-1-lizhijian@cn.fujitsu.com> References: <20211228080717.10666-1-lizhijian@cn.fujitsu.com> MIME-Version: 1.0 X-yoursite-MailScanner-ID: 06CDB4D15A22.AF473 X-yoursite-MailScanner: Found to be clean X-yoursite-MailScanner-From: lizhijian@fujitsu.com Precedence: bulk List-ID: X-Mailing-List: linux-rdma@vger.kernel.org Users can use ibv_reg_mr(3) to register flush access flags. Signed-off-by: Li Zhijian --- include/rdma/ib_verbs.h | 6 +++++- include/uapi/rdma/ib_user_ioctl_verbs.h | 2 ++ 2 files changed, 7 insertions(+), 1 deletion(-) diff --git a/include/rdma/ib_verbs.h b/include/rdma/ib_verbs.h index 822ebb3425dc..f04d66539879 100644 --- a/include/rdma/ib_verbs.h +++ b/include/rdma/ib_verbs.h @@ -1444,10 +1444,14 @@ enum ib_access_flags { IB_ACCESS_ON_DEMAND = IB_UVERBS_ACCESS_ON_DEMAND, IB_ACCESS_HUGETLB = IB_UVERBS_ACCESS_HUGETLB, IB_ACCESS_RELAXED_ORDERING = IB_UVERBS_ACCESS_RELAXED_ORDERING, + IB_ACCESS_FLUSH_GLOBAL_VISIBILITY = IB_UVERBS_ACCESS_FLUSH_GLOBAL_VISIBLITY, + IB_ACCESS_FLUSH_PERSISTENT = IB_UVERBS_ACCESS_FLUSH_PERSISTENT, + IB_ACCESS_FLUSH = IB_ACCESS_FLUSH_GLOBAL_VISIBILITY | + IB_ACCESS_FLUSH_PERSISTENT, IB_ACCESS_OPTIONAL = IB_UVERBS_ACCESS_OPTIONAL_RANGE, IB_ACCESS_SUPPORTED = - ((IB_ACCESS_HUGETLB << 1) - 1) | IB_ACCESS_OPTIONAL, + ((IB_ACCESS_FLUSH_PERSISTENT << 1) - 1) | IB_ACCESS_OPTIONAL, }; /* diff --git a/include/uapi/rdma/ib_user_ioctl_verbs.h b/include/uapi/rdma/ib_user_ioctl_verbs.h index 3072e5d6b692..4763d3e3ea16 100644 --- a/include/uapi/rdma/ib_user_ioctl_verbs.h +++ b/include/uapi/rdma/ib_user_ioctl_verbs.h @@ -57,6 +57,8 @@ enum ib_uverbs_access_flags { IB_UVERBS_ACCESS_ZERO_BASED = 1 << 5, IB_UVERBS_ACCESS_ON_DEMAND = 1 << 6, IB_UVERBS_ACCESS_HUGETLB = 1 << 7, + IB_UVERBS_ACCESS_FLUSH_GLOBAL_VISIBLITY = 1 << 8, + IB_UVERBS_ACCESS_FLUSH_PERSISTENT = 1 << 9, IB_UVERBS_ACCESS_RELAXED_ORDERING = IB_UVERBS_ACCESS_OPTIONAL_FIRST, IB_UVERBS_ACCESS_OPTIONAL_RANGE =