From patchwork Fri Apr 28 21:47:09 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Dasaratharaman Chandramouli X-Patchwork-Id: 9705547 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork.web.codeaurora.org (Postfix) with ESMTP id A1648602BF for ; Fri, 28 Apr 2017 21:47:26 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id A402D28632 for ; Fri, 28 Apr 2017 21:47:26 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 98BEF28698; Fri, 28 Apr 2017 21:47:26 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-6.9 required=2.0 tests=BAYES_00,RCVD_IN_DNSWL_HI autolearn=ham version=3.3.1 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 4517528632 for ; Fri, 28 Apr 2017 21:47:26 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1035666AbdD1VrY (ORCPT ); Fri, 28 Apr 2017 17:47:24 -0400 Received: from mga09.intel.com ([134.134.136.24]:15128 "EHLO mga09.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1035654AbdD1VrT (ORCPT ); Fri, 28 Apr 2017 17:47:19 -0400 Received: from fmsmga001.fm.intel.com ([10.253.24.23]) by orsmga102.jf.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 28 Apr 2017 14:47:15 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.37,389,1488873600"; d="scan'208";a="1141538191" Received: from phwtpriv01.ph.intel.com ([10.228.208.76]) by fmsmga001.fm.intel.com with ESMTP; 28 Apr 2017 14:47:14 -0700 From: Dasaratharaman Chandramouli To: Doug Ledford Cc: linux-rdma Subject: [PATCH v3 rdma-next 6/8] IB/core: Add rdma_cap_opa_ah to expose opa address handles Date: Fri, 28 Apr 2017 17:47:09 -0400 Message-Id: <1493416031-23917-7-git-send-email-dasaratharaman.chandramouli@intel.com> X-Mailer: git-send-email 1.8.3.1 In-Reply-To: <1493416031-23917-1-git-send-email-dasaratharaman.chandramouli@intel.com> References: <1493416031-23917-1-git-send-email-dasaratharaman.chandramouli@intel.com> Sender: linux-rdma-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-rdma@vger.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP rdma_cap_opa_ah(..) enables core components to check if the corresponding port supports OPA extended addressing. Reviewed-by: Ira Weiny Reviewed-by: Don Hiatt Signed-off-by: Dasaratharaman Chandramouli Signed-off-by: Doug Ledford --- include/rdma/ib_verbs.h | 16 ++++++++++++++++ 1 file changed, 16 insertions(+) diff --git a/include/rdma/ib_verbs.h b/include/rdma/ib_verbs.h index ab2dc52..b6a0b5f 100644 --- a/include/rdma/ib_verbs.h +++ b/include/rdma/ib_verbs.h @@ -501,6 +501,7 @@ static inline struct rdma_hw_stats *rdma_alloc_hw_stats_struct( /* Address format 0x000FF000 */ #define RDMA_CORE_CAP_AF_IB 0x00001000 #define RDMA_CORE_CAP_ETH_AH 0x00002000 +#define RDMA_CORE_CAP_OPA_AH 0x00004000 /* Protocol 0xFFF00000 */ #define RDMA_CORE_CAP_PROT_IB 0x00100000 @@ -2605,6 +2606,21 @@ static inline bool rdma_cap_eth_ah(const struct ib_device *device, u8 port_num) } /** + * rdma_cap_opa_ah - Check if the port of device supports + * OPA Address handles + * @device: Device to check + * @port_num: Port number to check + * + * Return: true if we are running on an OPA device which supports + * the extended OPA addressing. + */ +static inline bool rdma_cap_opa_ah(struct ib_device *device, u8 port_num) +{ + return (device->port_immutable[port_num].core_cap_flags & + RDMA_CORE_CAP_OPA_AH) == RDMA_CORE_CAP_OPA_AH; +} + +/** * rdma_max_mad_size - Return the max MAD size required by this RDMA Port. * * @device: Device