From patchwork Tue Apr 25 19:29:50 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Selvin Xavier X-Patchwork-Id: 13223698 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 92E4FC6FD18 for ; Tue, 25 Apr 2023 19:30:22 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S235488AbjDYTaV (ORCPT ); Tue, 25 Apr 2023 15:30:21 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:50522 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S235487AbjDYTaU (ORCPT ); Tue, 25 Apr 2023 15:30:20 -0400 Received: from mail-pg1-x52c.google.com (mail-pg1-x52c.google.com [IPv6:2607:f8b0:4864:20::52c]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id A139BA8 for ; Tue, 25 Apr 2023 12:30:19 -0700 (PDT) Received: by mail-pg1-x52c.google.com with SMTP id 41be03b00d2f7-51f3289d306so4797584a12.3 for ; Tue, 25 Apr 2023 12:30:19 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=broadcom.com; s=google; t=1682451019; x=1685043019; h=references:in-reply-to:message-id:date:subject:cc:to:from:from:to :cc:subject:date:message-id:reply-to; bh=nOsD/zn6CvFOugjuRrihdH2IOxoKZag8yAkSYN5/V8o=; b=Et6e+QwFaHBGQYAGzFavLb6PVtBhnZL1GumadpnFIflQrIqbpNEaL3M6mdHnU1u11m 5yc41k64x5UKfhEd/ta+MnHlJ4gOc2lT/xwOiAhfbKg6I6dOBIjJDxBOq9HFQ3gBeqwa cArxfz7hrdOuA0pJWQVEbNHmNF7P4INMI8spc= X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20221208; t=1682451019; x=1685043019; 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=nOsD/zn6CvFOugjuRrihdH2IOxoKZag8yAkSYN5/V8o=; b=k1/w8zej9ma2tO/J5A4oWFjZy2Qi14ZMRI12eKEngiGgS8Z+XW931uuNojrAFFqw5u /YXd5cjgAmwayVw1/DUhp/Rn4ZWp3FGqVTbu2nTN1Rp49atZcxl3J7pVhyTkKk9L3nF7 FC9iaf+6q9VWqAXlhcmlbdSggEnbvUcSU2l4JQ4WELE8sW895KfJuQtE6WDTgnm8Q0iz 1rUMB52OHRKIF0lbsE6ysjw7qDBpJNu91+SokA7PWn1Pp81kuExnlkevWxwXkZhvROq3 AYP3VX0/Qu5z4ds+R2w8PzUEjFQ1mt9P+xjPaj69r46C2SMHQNdPk5wP4T/fF0G8jRaw nkpA== X-Gm-Message-State: AAQBX9dfg8iXPcLS6ebA2STnUcYhtx5o4e+jxPb5qsJL2ccmE8Du2VwP c83VdqtIX4QL1fVZRZgvgDPxL2JvO71SXi3T9/4= X-Google-Smtp-Source: AKy350b2WmCCnoJnAsi/8MAu3pLlXoGenY+fkCG3thQ/7ruzAVcHfa416fpj+Bmt/fyre2LsHFDOAQ== X-Received: by 2002:a17:90b:120c:b0:23f:ebf2:d3e9 with SMTP id gl12-20020a17090b120c00b0023febf2d3e9mr17809723pjb.6.1682451019046; Tue, 25 Apr 2023 12:30:19 -0700 (PDT) Received: from dhcp-10-192-206-197.iig.avagotech.net.net ([192.19.234.250]) by smtp.gmail.com with ESMTPSA id w3-20020a170902c78300b001a64ed4621csm8618217pla.182.2023.04.25.12.30.16 (version=TLS1_2 cipher=ECDHE-ECDSA-AES128-GCM-SHA256 bits=128/128); Tue, 25 Apr 2023 12:30:18 -0700 (PDT) From: Selvin Xavier To: jgg@ziepe.ca, leon@kernel.org Cc: linux-rdma@vger.kernel.org, andrew.gospodarek@broadcom.com, Selvin Xavier Subject: [PATCH v2 for-next 3/6] RDMA/bnxt_re: Query function capabilities from firmware Date: Tue, 25 Apr 2023 12:29:50 -0700 Message-Id: <1682450993-17711-4-git-send-email-selvin.xavier@broadcom.com> X-Mailer: git-send-email 2.5.5 In-Reply-To: <1682450993-17711-1-git-send-email-selvin.xavier@broadcom.com> References: <1682450993-17711-1-git-send-email-selvin.xavier@broadcom.com> Precedence: bulk List-ID: X-Mailing-List: linux-rdma@vger.kernel.org Query Function capabilities to enable advanced features. Signed-off-by: Selvin Xavier --- v1 - v2: - Removed unnecessary error prints drivers/infiniband/hw/bnxt_re/main.c | 23 +++++++++++++++++++++++ 1 file changed, 23 insertions(+) diff --git a/drivers/infiniband/hw/bnxt_re/main.c b/drivers/infiniband/hw/bnxt_re/main.c index a866951..993fb62 100644 --- a/drivers/infiniband/hw/bnxt_re/main.c +++ b/drivers/infiniband/hw/bnxt_re/main.c @@ -83,6 +83,7 @@ static int bnxt_re_netdev_event(struct notifier_block *notifier, unsigned long event, void *ptr); static struct bnxt_re_dev *bnxt_re_from_netdev(struct net_device *netdev); static void bnxt_re_dev_uninit(struct bnxt_re_dev *rdev); +static int bnxt_re_hwrm_qcaps(struct bnxt_re_dev *rdev); static void bnxt_re_set_drv_mode(struct bnxt_re_dev *rdev, u8 mode) { @@ -91,6 +92,9 @@ static void bnxt_re_set_drv_mode(struct bnxt_re_dev *rdev, u8 mode) cctx = rdev->chip_ctx; cctx->modes.wqe_mode = bnxt_qplib_is_chip_gen_p5(rdev->chip_ctx) ? mode : BNXT_QPLIB_WQE_MODE_STATIC; + if (bnxt_re_hwrm_qcaps(rdev)) + dev_err(rdev_to_dev(rdev), + "Failed to query hwrm qcaps\n"); } static void bnxt_re_destroy_chip_ctx(struct bnxt_re_dev *rdev) @@ -334,6 +338,25 @@ static void bnxt_re_fill_fw_msg(struct bnxt_fw_msg *fw_msg, void *msg, fw_msg->timeout = timeout; } +/* Query function capabilities using common hwrm */ +int bnxt_re_hwrm_qcaps(struct bnxt_re_dev *rdev) +{ + struct bnxt_en_dev *en_dev = rdev->en_dev; + struct hwrm_func_qcaps_output resp = {0}; + struct hwrm_func_qcaps_input req = {0}; + struct bnxt_qplib_chip_ctx *cctx; + struct bnxt_fw_msg fw_msg; + + cctx = rdev->chip_ctx; + memset(&fw_msg, 0, sizeof(fw_msg)); + bnxt_re_init_hwrm_hdr(rdev, (void *)&req, + HWRM_FUNC_QCAPS, -1, -1); + req.fid = cpu_to_le16(0xffff); + bnxt_re_fill_fw_msg(&fw_msg, (void *)&req, sizeof(req), (void *)&resp, + sizeof(resp), DFLT_HWRM_CMD_TIMEOUT); + return bnxt_send_msg(en_dev, &fw_msg); +} + static int bnxt_re_net_ring_free(struct bnxt_re_dev *rdev, u16 fw_ring_id, int type) {