From patchwork Wed Mar 15 21:24:25 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Dasaratharaman Chandramouli X-Patchwork-Id: 9626699 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 F142D604A9 for ; Wed, 15 Mar 2017 21:31:30 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id E180228537 for ; Wed, 15 Mar 2017 21:31:30 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id D516D2857B; Wed, 15 Mar 2017 21:31:30 +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=-6.8 required=2.0 tests=BAYES_00,DKIM_SIGNED, RCVD_IN_DNSWL_HI,T_DKIM_INVALID 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 86D8728537 for ; Wed, 15 Mar 2017 21:31:30 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752851AbdCOVbX (ORCPT ); Wed, 15 Mar 2017 17:31:23 -0400 Received: from mga04.intel.com ([192.55.52.120]:22267 "EHLO mga04.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752871AbdCOVbU (ORCPT ); Wed, 15 Mar 2017 17:31:20 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=simple/simple; d=intel.com; i=@intel.com; q=dns/txt; s=intel; t=1489613479; x=1521149479; h=from:to:subject:date:message-id:in-reply-to:references; bh=el7EitG/184rAWGPLQmbUUf2Ks9XeicX/dwEoXOawRw=; b=wcQBgoqYDfXy4+KkDe3GN9rBbo014ywn1bqRbwfFYyn9hMttsl1j6Lr8 5ukdgTjK+sziBdL4qm4YzPdH4ohTRg==; Received: from fmsmga002.fm.intel.com ([10.253.24.26]) by fmsmga104.fm.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 15 Mar 2017 14:30:18 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.36,170,1486454400"; d="scan'208";a="1142789342" Received: from phwtpriv01.ph.intel.com ([10.228.208.76]) by fmsmga002.fm.intel.com with ESMTP; 15 Mar 2017 14:30:18 -0700 From: Dasaratharaman Chandramouli To: Don Hiatt , Ira Weiny , Doug Ledford , linux-rdma Subject: [PATCH rdma-core 6/7] IB/core: Add rdma_cap_opa_ah to expose opa address handles Date: Wed, 15 Mar 2017 17:24:25 -0400 Message-Id: <1489613066-61684-7-git-send-email-dasaratharaman.chandramouli@intel.com> X-Mailer: git-send-email 1.8.3.1 In-Reply-To: <1489613066-61684-1-git-send-email-dasaratharaman.chandramouli@intel.com> References: <1489613066-61684-1-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 --- 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 8c61532..64cc4ef 100644 --- a/include/rdma/ib_verbs.h +++ b/include/rdma/ib_verbs.h @@ -493,6 +493,7 @@ 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 @@ -2519,6 +2520,21 @@ 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