From patchwork Tue Oct 25 17:31:04 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: Ajit Khaparde X-Patchwork-Id: 13019586 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 3246BFA373E for ; Tue, 25 Oct 2022 17:31:22 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232491AbiJYRbT (ORCPT ); Tue, 25 Oct 2022 13:31:19 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:44846 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229995AbiJYRbS (ORCPT ); Tue, 25 Oct 2022 13:31:18 -0400 Received: from mail-qk1-x733.google.com (mail-qk1-x733.google.com [IPv6:2607:f8b0:4864:20::733]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 2D54416E298 for ; Tue, 25 Oct 2022 10:31:17 -0700 (PDT) Received: by mail-qk1-x733.google.com with SMTP id t25so8598341qkm.2 for ; Tue, 25 Oct 2022 10:31:17 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=broadcom.com; s=google; h=mime-version:references:in-reply-to:message-id:date:subject:cc:to :from:from:to:cc:subject:date:message-id:reply-to; bh=IKtv4KGVluEE4YXT+sR6DiMa2uHrdI7fjgNqAm98Ypo=; b=Eq/6ZoHzzcW/MT3LhG+jJIVvK8DZvMI927nGpCOKLGO9Mc+U0MOH6s4ZZjZrWu3yv9 JpTaQOfOrfnBj+X5HCOqYb2byHxrRzUobd0O9txU10A2kqCqtTaDN9gBe3BW5NRg0VKw Tou3o6KNEPMn4Hz+wmBtbhAWMsywB6rW6U2PQ= X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=mime-version:references:in-reply-to:message-id:date:subject:cc:to :from:x-gm-message-state:from:to:cc:subject:date:message-id:reply-to; bh=IKtv4KGVluEE4YXT+sR6DiMa2uHrdI7fjgNqAm98Ypo=; b=1zeA86Rvhg59OAWw+yLSmVlvmkAM0QUZhLLG+q9YrmAyQYyGl8cb+P9BoJQWZ45Xqw XJZ4EXzWFamiHIc7YpkXdjyOWV0j1+IXh97StCzPIigtUpUDifBNB1HfEdG4rOuZIDav 1v9Io8Lt+1lJcI83jiQ4UAEs4KmPhODSA9vMzv2uWaJM1sfI0Y4l/egAShBz+qPI6B+j mZO7mECwphu0856yrZhtctN8pN4IOxSAuB71/076cgNaas5DIKVEv+UgTU7RwOIR00p5 sADswuXfcXH6hxn2heMNaDqfX56Z/Lh17obbXxnQ5KT8uc7rJsdWJ0XsQLvzZFKYzikL PU2g== X-Gm-Message-State: ACrzQf3WqNt+kbXk6zLRgCfK1jHfS8KuvNQANxxW9m01X1z/x5x8rN4d 5mHdGm0T70tHD5qconmD2g5TEw== X-Google-Smtp-Source: AMsMyM6m8FSXpS2ccXVCvDPxjYBh/3qJen9rgdCg5y6wPCMAi0OWWcoxfpBLFKvlfoyreADk2Rnu3w== X-Received: by 2002:a05:620a:290d:b0:6b6:1a92:d88a with SMTP id m13-20020a05620a290d00b006b61a92d88amr27957043qkp.58.1666719076285; Tue, 25 Oct 2022 10:31:16 -0700 (PDT) Received: from C02GC2QQMD6T.wifi.broadcom.net ([192.19.223.252]) by smtp.gmail.com with ESMTPSA id u6-20020a37ab06000000b006eed094dcdasm2329034qke.70.2022.10.25.10.31.13 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 25 Oct 2022 10:31:14 -0700 (PDT) From: Ajit Khaparde To: ajit.khaparde@broadcom.com Cc: andrew.gospodarek@broadcom.com, davem@davemloft.net, edumazet@google.com, jgg@ziepe.ca, kuba@kernel.org, leon@kernel.org, linux-kernel@vger.kernel.org, linux-rdma@vger.kernel.org, michael.chan@broadcom.com, netdev@vger.kernel.org, pabeni@redhat.com, selvin.xavier@broadcom.com Subject: [PATCH v2 0/6] Add Auxiliary driver support Date: Tue, 25 Oct 2022 10:31:04 -0700 Message-Id: <20221025173110.33192-1-ajit.khaparde@broadcom.com> X-Mailer: git-send-email 2.37.0 (Apple Git-136) In-Reply-To: <20220724231458.93830-1-ajit.khaparde@broadcom.com> References: <20220724231458.93830-1-ajit.khaparde@broadcom.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org Add auxiliary device driver for Broadcom devices. The bnxt_en driver will register and initialize an aux device if RDMA is enabled in the underlying device. The bnxt_re driver will then probe and initialize the RoCE interfaces with the infiniband stack. v1->v2: - Incorporated review comments including usage of ulp_id &   complex function indirections. - Used function calls provided by auxiliary bus interface   instead of proprietary calls. - Refactor code to remove ROCE driver's access to bnxt structure. Please apply. Thanks. Ajit Khaparde (5): bnxt_en: Add auxiliary driver support RDMA/bnxt_re: Use auxiliary driver interface bnxt_en: Remove usage of ulp_id bnxt_en: Use direct API instead of indirection bnxt_en: Use auxiliary bus calls over proprietary calls Hongguang Gao (1): bnxt_en: Remove struct bnxt access from RoCE driver drivers/infiniband/hw/bnxt_re/bnxt_re.h | 9 +- drivers/infiniband/hw/bnxt_re/main.c | 576 +++++++----------- drivers/net/ethernet/broadcom/bnxt/bnxt.c | 10 +- drivers/net/ethernet/broadcom/bnxt/bnxt.h | 8 + drivers/net/ethernet/broadcom/bnxt/bnxt_ulp.c | 401 ++++++------ drivers/net/ethernet/broadcom/bnxt/bnxt_ulp.h | 51 +- 6 files changed, 494 insertions(+), 561 deletions(-)