From patchwork Wed Feb 19 10:19:52 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Selvin Xavier X-Patchwork-Id: 11390909 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id EEB28930 for ; Wed, 19 Feb 2020 10:20:15 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id C0D7A2465D for ; Wed, 19 Feb 2020 10:20:15 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=broadcom.com header.i=@broadcom.com header.b="ECGaHKTI" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726496AbgBSKUP (ORCPT ); Wed, 19 Feb 2020 05:20:15 -0500 Received: from mail-wm1-f68.google.com ([209.85.128.68]:37306 "EHLO mail-wm1-f68.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726491AbgBSKUP (ORCPT ); Wed, 19 Feb 2020 05:20:15 -0500 Received: by mail-wm1-f68.google.com with SMTP id a6so6136099wme.2 for ; Wed, 19 Feb 2020 02:20:14 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=broadcom.com; s=google; h=from:to:cc:subject:date:message-id; bh=Nk2ICGQwTNYvudQ5oQVgnZh4sWA6pqXWSRj6B9yT7xQ=; b=ECGaHKTIK1cF9Ss0pMoMObBf3xUe3kGRAWjLw5OeWhDTrYbtkyHFNa7OlaiP/MFKhT 4NH7U6cN1ZE1jXLPTTTWyW5m1b4+WWRq72VcgNx56NELq3jVF73FZvRlRsgr4LdB0bhs YFIAl37P5ZGaa8aUk8kwXpLMUtp//CZ6e6uXU= X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id; bh=Nk2ICGQwTNYvudQ5oQVgnZh4sWA6pqXWSRj6B9yT7xQ=; b=YaSJ3wxyF8rwYspmogYxqqyxtQ4sQ0gFYJ2tyOyOAACr2pb5/YI1alvRUUDvulOSCH lhD7FdY7XUKubHULZhQG1J96SCyDxfWRYXrAaY4vAK3EAl8RwF7mzTEYFGfheKpPjLpC k4SYLdpfW0LWSvjEeZc0mjhBddQjlkaoCR/rF76mt2UiQzak56meoXt73sAsjt6d45ga Jve97XQRU6Q4ebsh3hXOpNbTdOCOG9+q6ljsX+Xej7v2KbyBUkXQ5+3Mu4RCirzwquTS tX/BEOtOXPogbIziygDSjNMJxXf80A5Qmf2Jh52rWVlRuq5hjmx1xTUoUf9KClm41RiJ /5nw== X-Gm-Message-State: APjAAAX2BMO24vL0bp4RTYNkSEL68rgG9orqrppCETqWNP9HQPdTcXOF 9NImic+ZBEuDjiiTfV45BLr3Tg== X-Google-Smtp-Source: APXvYqwIPmxKBqVvuKuhUGKbAWI7efZgKXSo21aqOPGCjDORGoVTutywl7D0BEVsTSclmBiQMCMWjw== X-Received: by 2002:a1c:4905:: with SMTP id w5mr4786435wma.129.1582107613421; Wed, 19 Feb 2020 02:20:13 -0800 (PST) Received: from dhcp-10-192-206-197.iig.avagotech.net.net ([192.19.234.250]) by smtp.gmail.com with ESMTPSA id k16sm2408260wru.0.2020.02.19.02.20.10 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Wed, 19 Feb 2020 02:20:12 -0800 (PST) From: Selvin Xavier To: dledford@redhat.com, jgg@mellanox.com Cc: linux-rdma@vger.kernel.org, Selvin Xavier Subject: [PATCH for-next v4 0/2] Retrieve HW GID context from ib_gid_attr Date: Wed, 19 Feb 2020 02:19:52 -0800 Message-Id: <1582107594-5180-1-git-send-email-selvin.xavier@broadcom.com> X-Mailer: git-send-email 2.5.5 Sender: linux-rdma-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-rdma@vger.kernel.org Provide an option for vendor drivers to get the HW GID context from the ib_gid_attr during modify_qp and create_ah. Required for drivers/HW that maintains HW gid index different than the host sgid_index. Please review and merge Thanks, Selvin Xavier v3 -> v4: Addressed Jason's comments. Removed unnecessary validation and locking as the reference to the GID table entry should be taken before invoking the new symbol. v2 -> v3: Added a new symbol to retrieve the hw context. v1 -> v2: Addressed review comments from Parav Selvin Xavier (2): RDMA/core: Add helper function to retrieve driver gid context from gid attr RDMA/bnxt_re: Use rdma_read_gid_hw_context to retrieve HW gid index drivers/infiniband/core/cache.c | 20 ++++++++++++++++++++ drivers/infiniband/hw/bnxt_re/ib_verbs.c | 23 ++++++++++++----------- include/rdma/ib_cache.h | 1 + 3 files changed, 33 insertions(+), 11 deletions(-)