From patchwork Thu Jun 8 10:25:08 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Selvin Xavier X-Patchwork-Id: 13271935 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 99D8EC7EE23 for ; Thu, 8 Jun 2023 10:38:07 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S233965AbjFHKiG (ORCPT ); Thu, 8 Jun 2023 06:38:06 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:50576 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S235462AbjFHKiE (ORCPT ); Thu, 8 Jun 2023 06:38:04 -0400 Received: from mail-pg1-x533.google.com (mail-pg1-x533.google.com [IPv6:2607:f8b0:4864:20::533]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id E4D3D30D0 for ; Thu, 8 Jun 2023 03:37:43 -0700 (PDT) Received: by mail-pg1-x533.google.com with SMTP id 41be03b00d2f7-543c692db30so232852a12.3 for ; Thu, 08 Jun 2023 03:37:43 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=broadcom.com; s=google; t=1686220663; x=1688812663; h=references:in-reply-to:message-id:date:subject:cc:to:from:from:to :cc:subject:date:message-id:reply-to; bh=H7X2h68Oxs4Gb9veWaY48teMprU/YVNoF3JPTJbDMQo=; b=eorCv2W31kAhrQXiWBe5SSZpfed/ikPrYsgVtmYNJ51Z8qhXNNgsBH04cT7H+pgYDN 6MyYgkMU5amLbICX1KvaatfRHSxkcilb/4eGD7MfiSdKbChjlOi1pKyG8mfwqIB2GCcZ nQmLDhuOZHrwI2zMWbnBC5X5iezZPD5j4op7g= X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20221208; t=1686220663; x=1688812663; h=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=H7X2h68Oxs4Gb9veWaY48teMprU/YVNoF3JPTJbDMQo=; b=ElPZw/Gpe/TFbr9DkQlr75X4/iOmBN+j5Ht6gDJ6SBWlfneljzaRvqzCILZGhUGjem Y6ybFYkisxZh5PuOKiSDVA/qtpNZJEeVfsRWZ5YRaeijSySwJcQZf8T0ZaO61WrbHQEC aTxtlpzHoPQJoNOtjdEQMrckHBA050TygPh3wpy39T+rOyZvLlyI9EsgxaxQO9sA3W2h cKWokMVjXKSs0UGXqsjexjlE5R0ypmGURBVo/ZY6RWmzTLTW3o3gce3KRTp2efZOO+uA USXhrVINe3ufC8imp/SWiZJeQzD1VPLSYx+tvuIwKoaCfnVAyZoPvF0AYj4LFI2SHz9m VboA== X-Gm-Message-State: AC+VfDx1lQK8ngW8FvBS9pLwnDp4KIQ9FWtSzFwxmPSW7uZ9RLIMC0Od 7RTCuY0aHUoKqYd7aGhmze9hPg== X-Google-Smtp-Source: ACHHUZ7jgF7fRe9SpxSqVcv82A4I7wJFrVIbMdCJRVQj/nZhYFWAB02R69oPWlXdvuNdThc6KAGC2Q== X-Received: by 2002:a17:90a:4d:b0:255:b07a:3d55 with SMTP id 13-20020a17090a004d00b00255b07a3d55mr7830376pjb.28.1686220663098; Thu, 08 Jun 2023 03:37:43 -0700 (PDT) Received: from dhcp-10-192-206-197.iig.avagotech.net.net ([192.19.234.250]) by smtp.gmail.com with ESMTPSA id jj11-20020a170903048b00b001a980a23802sm1128510plb.111.2023.06.08.03.37.40 (version=TLS1_2 cipher=ECDHE-ECDSA-AES128-GCM-SHA256 bits=128/128); Thu, 08 Jun 2023 03:37:42 -0700 (PDT) From: Selvin Xavier To: jgg@ziepe.ca, leon@kernel.org Cc: linux-rdma@vger.kernel.org, andrew.gospodarek@broadcom.com, Kashyap Desai , Selvin Xavier Subject: [PATCH for-next 17/17] RDMA/bnxt_re: optimize the parameters passed to helper functions Date: Thu, 8 Jun 2023 03:25:08 -0700 Message-Id: <1686219908-11181-18-git-send-email-selvin.xavier@broadcom.com> X-Mailer: git-send-email 2.5.5 In-Reply-To: <1686219908-11181-1-git-send-email-selvin.xavier@broadcom.com> References: <1686219908-11181-1-git-send-email-selvin.xavier@broadcom.com> Precedence: bulk List-ID: X-Mailing-List: linux-rdma@vger.kernel.org From: Kashyap Desai Avoid passing arguments like Opcode which can be retrieved from bnxt_qplib_crsqe structure. Signed-off-by: Kashyap Desai Signed-off-by: Selvin Xavier --- drivers/infiniband/hw/bnxt_re/qplib_rcfw.c | 44 +++++++++++++----------------- 1 file changed, 19 insertions(+), 25 deletions(-) diff --git a/drivers/infiniband/hw/bnxt_re/qplib_rcfw.c b/drivers/infiniband/hw/bnxt_re/qplib_rcfw.c index 45bbf5f..3526518 100644 --- a/drivers/infiniband/hw/bnxt_re/qplib_rcfw.c +++ b/drivers/infiniband/hw/bnxt_re/qplib_rcfw.c @@ -93,9 +93,6 @@ static int bnxt_qplib_map_rc(u8 opcode) * bnxt_re_is_fw_stalled - Check firmware health * @rcfw - rcfw channel instance of rdev * @cookie - cookie to track the command - * @opcode - rcfw submitted for given opcode - * @cbit - bitmap entry of cookie - * @in_used - command is in used or freed * * If firmware has not responded any rcfw command within * rcfw->max_timeout, consider firmware as stalled. @@ -105,20 +102,22 @@ static int bnxt_qplib_map_rc(u8 opcode) * -ENODEV if firmware is not responding */ static int bnxt_re_is_fw_stalled(struct bnxt_qplib_rcfw *rcfw, - u16 cookie, u8 opcode, bool in_used) + u16 cookie) { struct bnxt_qplib_cmdq_ctx *cmdq; + struct bnxt_qplib_crsqe *crsqe; + crsqe = &rcfw->crsqe_tbl[cookie]; cmdq = &rcfw->cmdq; if (time_after(jiffies, cmdq->last_seen + (rcfw->max_timeout * HZ))) { dev_warn_ratelimited(&rcfw->pdev->dev, "%s: FW STALL Detected. cmdq[%#x]=%#x waited (%d > %d) msec active %d ", - __func__, cookie, opcode, + __func__, cookie, crsqe->opcode, jiffies_to_msecs(jiffies - cmdq->last_seen), rcfw->max_timeout * 1000, - in_used); + crsqe->is_in_used); return -ENODEV; } @@ -129,7 +128,6 @@ static int bnxt_re_is_fw_stalled(struct bnxt_qplib_rcfw *rcfw, * __wait_for_resp - Don't hold the cpu context and wait for response * @rcfw - rcfw channel instance of rdev * @cookie - cookie to track the command - * @opcode - rcfw submitted for given opcode * * Wait for command completion in sleepable context. * @@ -137,7 +135,7 @@ static int bnxt_re_is_fw_stalled(struct bnxt_qplib_rcfw *rcfw, * 0 if command is completed by firmware. * Non zero error code for rest of the case. */ -static int __wait_for_resp(struct bnxt_qplib_rcfw *rcfw, u16 cookie, u8 opcode) +static int __wait_for_resp(struct bnxt_qplib_rcfw *rcfw, u16 cookie) { struct bnxt_qplib_cmdq_ctx *cmdq; struct bnxt_qplib_crsqe *crsqe; @@ -148,7 +146,7 @@ static int __wait_for_resp(struct bnxt_qplib_rcfw *rcfw, u16 cookie, u8 opcode) do { if (test_bit(ERR_DEVICE_DETACHED, &cmdq->flags)) - return bnxt_qplib_map_rc(opcode); + return bnxt_qplib_map_rc(crsqe->opcode); if (test_bit(FIRMWARE_STALL_DETECTED, &cmdq->flags)) return -ETIMEDOUT; @@ -166,7 +164,7 @@ static int __wait_for_resp(struct bnxt_qplib_rcfw *rcfw, u16 cookie, u8 opcode) if (!crsqe->is_in_used) return 0; - ret = bnxt_re_is_fw_stalled(rcfw, cookie, opcode, crsqe->is_in_used); + ret = bnxt_re_is_fw_stalled(rcfw, cookie); if (ret) return ret; @@ -177,7 +175,6 @@ static int __wait_for_resp(struct bnxt_qplib_rcfw *rcfw, u16 cookie, u8 opcode) * __block_for_resp - hold the cpu context and wait for response * @rcfw - rcfw channel instance of rdev * @cookie - cookie to track the command - * @opcode - rcfw submitted for given opcode * * This function will hold the cpu (non-sleepable context) and * wait for command completion. Maximum holding interval is 8 second. @@ -186,7 +183,7 @@ static int __wait_for_resp(struct bnxt_qplib_rcfw *rcfw, u16 cookie, u8 opcode) * -ETIMEOUT if command is not completed in specific time interval. * 0 if command is completed by firmware. */ -static int __block_for_resp(struct bnxt_qplib_rcfw *rcfw, u16 cookie, u8 opcode) +static int __block_for_resp(struct bnxt_qplib_rcfw *rcfw, u16 cookie) { struct bnxt_qplib_cmdq_ctx *cmdq = &rcfw->cmdq; struct bnxt_qplib_crsqe *crsqe; @@ -197,7 +194,7 @@ static int __block_for_resp(struct bnxt_qplib_rcfw *rcfw, u16 cookie, u8 opcode) do { if (test_bit(ERR_DEVICE_DETACHED, &cmdq->flags)) - return bnxt_qplib_map_rc(opcode); + return bnxt_qplib_map_rc(crsqe->opcode); if (test_bit(FIRMWARE_STALL_DETECTED, &cmdq->flags)) return -ETIMEDOUT; @@ -375,7 +372,6 @@ static int __send_message(struct bnxt_qplib_rcfw *rcfw, * __poll_for_resp - self poll completion for rcfw command * @rcfw - rcfw channel instance of rdev * @cookie - cookie to track the command - * @opcode - rcfw submitted for given opcode * * It works same as __wait_for_resp except this function will * do self polling in sort interval since interrupt is disabled. @@ -385,8 +381,7 @@ static int __send_message(struct bnxt_qplib_rcfw *rcfw, * -ETIMEOUT if command is not completed in specific time interval. * 0 if command is completed by firmware. */ -static int __poll_for_resp(struct bnxt_qplib_rcfw *rcfw, u16 cookie, - u8 opcode) +static int __poll_for_resp(struct bnxt_qplib_rcfw *rcfw, u16 cookie) { struct bnxt_qplib_cmdq_ctx *cmdq = &rcfw->cmdq; struct bnxt_qplib_crsqe *crsqe; @@ -398,7 +393,7 @@ static int __poll_for_resp(struct bnxt_qplib_rcfw *rcfw, u16 cookie, do { if (test_bit(ERR_DEVICE_DETACHED, &cmdq->flags)) - return bnxt_qplib_map_rc(opcode); + return bnxt_qplib_map_rc(crsqe->opcode); if (test_bit(FIRMWARE_STALL_DETECTED, &cmdq->flags)) return -ETIMEDOUT; @@ -409,7 +404,7 @@ static int __poll_for_resp(struct bnxt_qplib_rcfw *rcfw, u16 cookie, return 0; if (jiffies_to_msecs(jiffies - issue_time) > (rcfw->max_timeout * 1000)) { - ret = bnxt_re_is_fw_stalled(rcfw, cookie, opcode, crsqe->is_in_used); + ret = bnxt_re_is_fw_stalled(rcfw, cookie); if (ret) return ret; } @@ -417,13 +412,12 @@ static int __poll_for_resp(struct bnxt_qplib_rcfw *rcfw, u16 cookie, }; static int __send_message_basic_sanity(struct bnxt_qplib_rcfw *rcfw, - struct bnxt_qplib_cmdqmsg *msg) + struct bnxt_qplib_cmdqmsg *msg, + u8 opcode) { struct bnxt_qplib_cmdq_ctx *cmdq; - u32 opcode; cmdq = &rcfw->cmdq; - opcode = __get_cmdq_base_opcode(msg->req, msg->req_sz); /* Prevent posting if f/w is not in a state to process */ if (test_bit(ERR_DEVICE_DETACHED, &rcfw->cmdq.flags)) @@ -495,7 +489,7 @@ static int __bnxt_qplib_rcfw_send_message(struct bnxt_qplib_rcfw *rcfw, opcode = __get_cmdq_base_opcode(msg->req, msg->req_sz); - rc = __send_message_basic_sanity(rcfw, msg); + rc = __send_message_basic_sanity(rcfw, msg, opcode); if (rc) return rc == -ENXIO ? bnxt_qplib_map_rc(opcode) : rc; @@ -507,11 +501,11 @@ static int __bnxt_qplib_rcfw_send_message(struct bnxt_qplib_rcfw *rcfw, & RCFW_MAX_COOKIE_VALUE; if (msg->block) - rc = __block_for_resp(rcfw, cookie, opcode); + rc = __block_for_resp(rcfw, cookie); else if (atomic_read(&rcfw->rcfw_intr_enabled)) - rc = __wait_for_resp(rcfw, cookie, opcode); + rc = __wait_for_resp(rcfw, cookie); else - rc = __poll_for_resp(rcfw, cookie, opcode); + rc = __poll_for_resp(rcfw, cookie); if (rc) { /* timed out */ dev_err(&rcfw->pdev->dev, "cmdq[%#x]=%#x timedout (%d)msec\n",