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=-14.1 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,INCLUDES_PATCH,MAILING_LIST_MULTI, SIGNED_OFF_BY,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 67E71C433DF for ; Mon, 24 Aug 2020 10:45:13 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 3AC70207D3 for ; Mon, 24 Aug 2020 10:45:13 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1598265913; bh=u3b1+2hvFyhdHgB1avTm+rP7xauC727GV+HWuK/iUsU=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=EwAYE87Dpqwu9Q9Lhj0sxGv+wY4Hf6U5fQ1JWzBLfVu1EaTXTFTfonj/oC0cSJbCK 0Z9HhjxZ+nA6ai3/fXZPn04Pu8L9umnrh7qfGc0AP4nXYhp1Cu8z7VthsjLXhTLz8s rUH6kHWE4ql8htEP2D63mErOUIZz6r9Ku7BKNWQg= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726704AbgHXKpK (ORCPT ); Mon, 24 Aug 2020 06:45:10 -0400 Received: from mail.kernel.org ([198.145.29.99]:35938 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727769AbgHXKpE (ORCPT ); Mon, 24 Aug 2020 06:45:04 -0400 Received: from localhost (unknown [213.57.247.131]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 951182074D; Mon, 24 Aug 2020 10:45:03 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1598265904; bh=u3b1+2hvFyhdHgB1avTm+rP7xauC727GV+HWuK/iUsU=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=K0DAs1IZApu0rVmiCsT/Jy9NlQYtvgtIF3h+Q2oZ8tkSD0eO6gTA4kQcj5qWR+pjZ QfEtJNZst2VAbmM/7ZOqK+qgA6zi2NdGF9wxHJSKSbToSgecg97adLju8iLJx4su6Y TQbEiY0FCGU4BeEB31FF5ym9n4ooD07CdzquJS1Q= From: Leon Romanovsky To: Doug Ledford , Jason Gunthorpe Cc: Leon Romanovsky , linux-rdma@vger.kernel.org Subject: [PATCH rdma-next 13/14] RDMA/core: Track device memory MRs Date: Mon, 24 Aug 2020 13:44:14 +0300 Message-Id: <20200824104415.1090901-14-leon@kernel.org> X-Mailer: git-send-email 2.26.2 In-Reply-To: <20200824104415.1090901-1-leon@kernel.org> References: <20200824104415.1090901-1-leon@kernel.org> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Sender: linux-rdma-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-rdma@vger.kernel.org From: Leon Romanovsky Device memory (DM) are registered to MR during initialization flow, these MRs were not tracked by resource tracker and had res->valid set as a false. Update the code to manage them too. Before this change: [leonro@vm ~]$ ibv_rc_pingpong -j & [leonro@vm ~]$ rdma res show mr <-- shows nothing After this change: [leonro@mtl-leonro-l-vm ~]$ ibv_rc_pingpong -j & [leonro@mtl-leonro-l-vm ~]$ rdma res show mr dev ibp0s9 mrn 0 mrlen 4096 pdn 3 pid 734 comm ibv_rc_pingpong Signed-off-by: Leon Romanovsky --- drivers/infiniband/core/uverbs_std_types_mr.c | 10 ++++++++++ 1 file changed, 10 insertions(+) diff --git a/drivers/infiniband/core/uverbs_std_types_mr.c b/drivers/infiniband/core/uverbs_std_types_mr.c index 9b22bb553e8b..9ec5ea49e06e 100644 --- a/drivers/infiniband/core/uverbs_std_types_mr.c +++ b/drivers/infiniband/core/uverbs_std_types_mr.c @@ -31,6 +31,7 @@ */ #include "rdma_core.h" +#include "restrack.h" #include "uverbs.h" #include @@ -134,6 +135,15 @@ static int UVERBS_HANDLER(UVERBS_METHOD_DM_MR_REG)( atomic_inc(&pd->usecnt); atomic_inc(&dm->usecnt); + rdma_restrack_new(&mr->res, RDMA_RESTRACK_MR); + rdma_restrack_set_name(&mr->res, NULL); + ret = rdma_restrack_add(&mr->res); + if (ret) { + rdma_restrack_put(&mr->res); + pd->device->ops.dereg_mr(mr, &attrs->driver_udata); + return ret; + } + uobj->object = mr; uverbs_finalize_uobj_create(attrs, UVERBS_ATTR_REG_DM_MR_HANDLE); -- 2.26.2