From patchwork Fri Dec 18 08:59:44 2015 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Or Gerlitz X-Patchwork-Id: 7880861 Return-Path: X-Original-To: patchwork-linux-rdma@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork2.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.29.136]) by patchwork2.web.kernel.org (Postfix) with ESMTP id B6729BEEE5 for ; Fri, 18 Dec 2015 09:00:22 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id DC80120497 for ; Fri, 18 Dec 2015 09:00:21 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id E8EB9203A1 for ; Fri, 18 Dec 2015 09:00:20 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932099AbbLRJAT (ORCPT ); Fri, 18 Dec 2015 04:00:19 -0500 Received: from [193.47.165.129] ([193.47.165.129]:60979 "EHLO mellanox.co.il" rhost-flags-FAIL-FAIL-OK-FAIL) by vger.kernel.org with ESMTP id S933442AbbLRJAS (ORCPT ); Fri, 18 Dec 2015 04:00:18 -0500 Received: from Internal Mail-Server by MTLPINE1 (envelope-from ogerlitz@mellanox.com) with ESMTPS (AES256-SHA encrypted); 18 Dec 2015 10:59:51 +0200 Received: from r-vnc04.mtr.labs.mlnx (r-vnc04.mtr.labs.mlnx [10.208.0.116]) by labmailer.mlnx (8.13.8/8.13.8) with ESMTP id tBI8xpSf008432; Fri, 18 Dec 2015 10:59:51 +0200 From: Or Gerlitz To: Doug Ledford Cc: linux-rdma@vger.kernel.org, Sagi Grimberg , Chuck Lever , Anna Schumaker , santosh.shilimkar@oracle.com, Ira Weiny , Or Gerlitz Subject: [PATCH rdma-next V1 1/7] IB/core: Save the device attributes on the device structure Date: Fri, 18 Dec 2015 10:59:44 +0200 Message-Id: <1450429190-5898-2-git-send-email-ogerlitz@mellanox.com> X-Mailer: git-send-email 1.7.8.2 In-Reply-To: <1450429190-5898-1-git-send-email-ogerlitz@mellanox.com> References: <1450429190-5898-1-git-send-email-ogerlitz@mellanox.com> Sender: linux-rdma-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-rdma@vger.kernel.org X-Spam-Status: No, score=-6.9 required=5.0 tests=BAYES_00, RCVD_IN_DNSWL_HI, T_RP_MATCHES_RCVD, UNPARSEABLE_RELAY autolearn=ham version=3.3.1 X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on mail.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP From: Ira Weiny This way both the IB core and upper level drivers can access these cached device attributes rather than querying or caching them on their own. Signed-off-by: Ira Weiny Signed-off-by: Or Gerlitz --- drivers/infiniband/core/device.c | 8 ++++++++ include/rdma/ib_verbs.h | 1 + 2 files changed, 9 insertions(+) diff --git a/drivers/infiniband/core/device.c b/drivers/infiniband/core/device.c index 179e813..568592e3 100644 --- a/drivers/infiniband/core/device.c +++ b/drivers/infiniband/core/device.c @@ -325,6 +325,7 @@ int ib_register_device(struct ib_device *device, { int ret; struct ib_client *client; + struct ib_udata uhw = {.outlen = 0, .inlen = 0}; mutex_lock(&device_mutex); @@ -352,6 +353,13 @@ int ib_register_device(struct ib_device *device, goto out; } + memset(&device->attrs, 0, sizeof(device->attrs)); + ret = device->query_device(device, &device->attrs, &uhw); + if (ret) { + printk(KERN_WARNING "Couldn't query the device attributes\n"); + goto out; + } + ret = ib_device_register_sysfs(device, port_callback); if (ret) { printk(KERN_WARNING "Couldn't register device %s with driver model\n", diff --git a/include/rdma/ib_verbs.h b/include/rdma/ib_verbs.h index 120da1d..730dcfb 100644 --- a/include/rdma/ib_verbs.h +++ b/include/rdma/ib_verbs.h @@ -1823,6 +1823,7 @@ struct ib_device { u16 is_switch:1; u8 node_type; u8 phys_port_cnt; + struct ib_device_attr attrs; /** * The following mandatory functions are used only at device