From patchwork Wed Feb 24 09:42:00 2016 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Yishai Hadas X-Patchwork-Id: 8403401 Return-Path: X-Original-To: patchwork-linux-rdma@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork1.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.29.136]) by patchwork1.web.kernel.org (Postfix) with ESMTP id 690859F2F0 for ; Wed, 24 Feb 2016 09:43:44 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 9EF37202EC for ; Wed, 24 Feb 2016 09:43:43 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id B7EA5202EB for ; Wed, 24 Feb 2016 09:43:42 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751022AbcBXJnl (ORCPT ); Wed, 24 Feb 2016 04:43:41 -0500 Received: from [193.47.165.129] ([193.47.165.129]:33202 "EHLO mellanox.co.il" rhost-flags-FAIL-FAIL-OK-FAIL) by vger.kernel.org with ESMTP id S1751305AbcBXJnk (ORCPT ); Wed, 24 Feb 2016 04:43:40 -0500 Received: from Internal Mail-Server by MTLPINE1 (envelope-from yishaih@mellanox.com) with ESMTPS (AES256-SHA encrypted); 24 Feb 2016 11:42:46 +0200 Received: from vnc17.mtl.labs.mlnx (vnc17.mtl.labs.mlnx [10.7.2.17]) by labmailer.mlnx (8.13.8/8.13.8) with ESMTP id u1O9gk2U026453; Wed, 24 Feb 2016 11:42:46 +0200 Received: from vnc17.mtl.labs.mlnx (localhost.localdomain [127.0.0.1]) by vnc17.mtl.labs.mlnx (8.13.8/8.13.8) with ESMTP id u1O9gk4M031503; Wed, 24 Feb 2016 11:42:46 +0200 Received: (from yishaih@localhost) by vnc17.mtl.labs.mlnx (8.13.8/8.13.8/Submit) id u1O9gkoW031502; Wed, 24 Feb 2016 11:42:46 +0200 From: Yishai Hadas To: dledford@redhat.com Cc: linux-rdma@vger.kernel.org, yishaih@mellanox.com, matanb@mellanox.com, majd@mellanox.com, talal@mellanox.com, ogerlitz@mellanox.com Subject: [PATCH V1 libibverbs 4/8] Add completion timestamp support for ibv_poll_cq_ex Date: Wed, 24 Feb 2016 11:42:00 +0200 Message-Id: <1456306924-31298-5-git-send-email-yishaih@mellanox.com> X-Mailer: git-send-email 1.7.11.3 In-Reply-To: <1456306924-31298-1-git-send-email-yishaih@mellanox.com> References: <1456306924-31298-1-git-send-email-yishaih@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, 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: Matan Barak Add support for raw completion timestamp through ibv_poll_cq_ex. Signed-off-by: Matan Barak Reviewed-by: Yishai Hadas --- include/infiniband/verbs.h | 7 ++++++- 1 file changed, 6 insertions(+), 1 deletion(-) diff --git a/include/infiniband/verbs.h b/include/infiniband/verbs.h index a64e320..232b0df 100644 --- a/include/infiniband/verbs.h +++ b/include/infiniband/verbs.h @@ -401,6 +401,7 @@ enum ibv_wc_flags_ex { IBV_WC_EX_WITH_SLID = 1 << 9, IBV_WC_EX_WITH_SL = 1 << 10, IBV_WC_EX_WITH_DLID_PATH_BITS = 1 << 11, + IBV_WC_EX_WITH_COMPLETION_TIMESTAMP = 1 << 12, }; enum { @@ -417,6 +418,10 @@ enum { /* fields order in wc_ex * Note: To guarantee compatibility a new field will be added after fields * of the same size. + * // Raw timestamp of completion. A raw timestamp is implementation + * // defined and can not be relied upon to have any ordering value + * // between more than one HCA or driver. + * uint64_t completion_timestamp; * uint32_t byte_len, * uint32_t imm_data; * uint32_t qp_num; @@ -428,7 +433,7 @@ enum { */ enum { - IBV_WC_EX_WITH_64BIT_FIELDS = 0 + IBV_WC_EX_WITH_64BIT_FIELDS = IBV_WC_EX_WITH_COMPLETION_TIMESTAMP }; enum {