From patchwork Thu Dec 21 07:36:20 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Suraj Jaiswal X-Patchwork-Id: 182036 Return-Path: Delivered-To: ouuuleilei@gmail.com Received: by 2002:a05:7300:2483:b0:fb:cd0c:d3e with SMTP id q3csp247281dyi; Wed, 20 Dec 2023 23:39:27 -0800 (PST) X-Google-Smtp-Source: AGHT+IERNFKrPa2YNc9fN+3e7X2oG3zbJzZZ/xcqrkJHwkTbbHdZ6XwuimIKyMnNbTD3TPCpcgOl X-Received: by 2002:ac8:5aca:0:b0:425:4043:7624 with SMTP id d10-20020ac85aca000000b0042540437624mr31517133qtd.76.1703144367315; Wed, 20 Dec 2023 23:39:27 -0800 (PST) ARC-Seal: i=1; a=rsa-sha256; t=1703144367; cv=none; d=google.com; s=arc-20160816; b=i5ranA3M5sZ5uBwtKY9i/aADn7y6++yRquU2afpCbtgvmbIT+k8k6sZPWh0I/C0eku SE9qxrj70kbjx8LqTTdf6RH+fGjtGUiSeBRveZhvYaj3POJBxpJooHbcFbGJJSKDUuO/ Bz9voLDGlKLsUvOLunbiRwWfZ+newt+NG55UWZXsesiH1UopXriRRN/4gBR00hgief3o z0muQ7ykA24OPnPgY3nl7gnpqERNOYX2b+qNa4wT0ZfeZPo6F/OG4116MCwpc6PdgIBm EjY1NlV9IZINacA6cZUG6Q+s7iKeFqHUVngQ7k+lRJT8zT/OflcN6gUWmuipePSpm4U1 zJ4w== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=content-transfer-encoding:mime-version:list-unsubscribe :list-subscribe:list-id:precedence:references:in-reply-to:message-id :date:subject:cc:to:from:dkim-signature; bh=Aw5IXxKxB6UTeXq5hAKRDppd7vH7no1ce2NFpPs0Ceg=; fh=AO1athPla3jqhCn4k6adBHi7gs3A5EcpzQmM6u71SYU=; b=lxG9hPV7BFmdqTTFBvB37ANPvv8FdVaBKAFbmptSxIVKFN0fAjBLTKTKOaHrQbBO8G ZkMVh9U7iD8QKEeuDL/c/3gEml5DoGql0sH1hPgUpfqhqV+Bfi2dTCmBZcw/hvt/+j0k XqxHcfAzt2IkNcNyzZr6nzJefYuuyx6mxV6mx5E7o95ajavEhPdUjMAm4gQ+QcUO6FZg sTomQN2Y/Vz7/N8zU94kSsXtmhjvdO0bVLCrcAEXEcNqShUky1kkV03REy8dsIPS34TN Dt6WHVN3Fogeznrv0R9iqWAjX6yhW3K2W2lK1Z7+g2NdN2aOWKp1A+Qrs+eTUHcY3RT0 QGmw== ARC-Authentication-Results: i=1; mx.google.com; dkim=pass header.i=@quicinc.com header.s=qcppdkim1 header.b=UyJzTwHu; spf=pass (google.com: domain of linux-kernel+bounces-7948-ouuuleilei=gmail.com@vger.kernel.org designates 147.75.199.223 as permitted sender) smtp.mailfrom="linux-kernel+bounces-7948-ouuuleilei=gmail.com@vger.kernel.org"; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=quicinc.com Received: from ny.mirrors.kernel.org (ny.mirrors.kernel.org. [147.75.199.223]) by mx.google.com with ESMTPS id g20-20020ac85d54000000b004236f53848dsi1569941qtx.320.2023.12.20.23.39.27 for (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 20 Dec 2023 23:39:27 -0800 (PST) Received-SPF: pass (google.com: domain of linux-kernel+bounces-7948-ouuuleilei=gmail.com@vger.kernel.org designates 147.75.199.223 as permitted sender) client-ip=147.75.199.223; Authentication-Results: mx.google.com; dkim=pass header.i=@quicinc.com header.s=qcppdkim1 header.b=UyJzTwHu; spf=pass (google.com: domain of linux-kernel+bounces-7948-ouuuleilei=gmail.com@vger.kernel.org designates 147.75.199.223 as permitted sender) smtp.mailfrom="linux-kernel+bounces-7948-ouuuleilei=gmail.com@vger.kernel.org"; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=quicinc.com Received: from smtp.subspace.kernel.org (wormhole.subspace.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ny.mirrors.kernel.org (Postfix) with ESMTPS id 108761C233CF for ; Thu, 21 Dec 2023 07:39:27 +0000 (UTC) Received: from localhost.localdomain (localhost.localdomain [127.0.0.1]) by smtp.subspace.kernel.org (Postfix) with ESMTP id F0747224D3; Thu, 21 Dec 2023 07:37:21 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=quicinc.com header.i=@quicinc.com header.b="UyJzTwHu" X-Original-To: linux-kernel@vger.kernel.org Received: from mx0b-0031df01.pphosted.com (mx0b-0031df01.pphosted.com [205.220.180.131]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id D3B99208AE; Thu, 21 Dec 2023 07:37:17 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=quicinc.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=quicinc.com Received: from pps.filterd (m0279870.ppops.net [127.0.0.1]) by mx0a-0031df01.pphosted.com (8.17.1.24/8.17.1.24) with ESMTP id 3BL7LrrV007148; Thu, 21 Dec 2023 07:37:05 GMT DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=quicinc.com; h= from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding:content-type; s= qcppdkim1; bh=Aw5IXxKxB6UTeXq5hAKRDppd7vH7no1ce2NFpPs0Ceg=; b=Uy JzTwHu7shnOs2TEeb8i2lsGmZzIP6cgukXRPF+qd2W7DNkPU9W0wm/7BMuX/jXNi 5Tdaki9+MJBP941vgpAmEkubqAkEOPiAMn4XZA7Isxme7Hcu6ZyFW8KNKVStUTtk /bf/ngti0m0sKpyFsLRDZsfTJ9hgRSED3jqsYgHESyTDaeRBFqkDsJWhSkJHJGmR 0hmvFUhcLK/1KnQUx6ARjPQNcGMJTzuUZgjT9FJw1nJt1+hWmM/3ws10I4tnfr8Y MfMwbFH+5zNZvUlbN7pHyiFnkcf6ZykmW79cTcTsiFI5IDP+MOaX6UW+va2hHbcm 3BPjDTPm4wg2IAh4I9gQ== Received: from nalasppmta01.qualcomm.com (Global_NAT1.qualcomm.com [129.46.96.20]) by mx0a-0031df01.pphosted.com (PPS) with ESMTPS id 3v3v33bmuy-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Thu, 21 Dec 2023 07:37:05 +0000 (GMT) Received: from nalasex01b.na.qualcomm.com (nalasex01b.na.qualcomm.com [10.47.209.197]) by NALASPPMTA01.qualcomm.com (8.17.1.5/8.17.1.5) with ESMTPS id 3BL7b4mq011887 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Thu, 21 Dec 2023 07:37:04 GMT Received: from hu-jsuraj-hyd.qualcomm.com (10.80.80.8) by nalasex01b.na.qualcomm.com (10.47.209.197) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.1118.40; Wed, 20 Dec 2023 23:36:53 -0800 From: Suraj Jaiswal To: , Vinod Koul , Bhupesh Sharma , Andy Gross , Bjorn Andersson , Konrad Dybcio , "David S. Miller" , Eric Dumazet , "Jakub Kicinski" , Rob Herring , "Krzysztof Kozlowski" , Conor Dooley , Alexandre Torgue , "Jose Abreu" , Maxime Coquelin , , , , , , Prasad Sodagudi , Andrew Halaney , Rob Herring CC: Subject: [PATCH net-next v8 3/3] net: stmmac: Add driver support for DWMAC5 common safety IRQ Date: Thu, 21 Dec 2023 13:06:20 +0530 Message-ID: <20231221073620.232619-4-quic_jsuraj@quicinc.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20231221073620.232619-1-quic_jsuraj@quicinc.com> References: <20231221073620.232619-1-quic_jsuraj@quicinc.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-ClientProxiedBy: nasanex01b.na.qualcomm.com (10.46.141.250) To nalasex01b.na.qualcomm.com (10.47.209.197) X-QCInternal: smtphost X-Proofpoint-Virus-Version: vendor=nai engine=6200 definitions=5800 signatures=585085 X-Proofpoint-ORIG-GUID: 3eSIG19-8P1kxmAOxJlGkDHFmkovLLLY X-Proofpoint-GUID: 3eSIG19-8P1kxmAOxJlGkDHFmkovLLLY X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.272,Aquarius:18.0.997,Hydra:6.0.619,FMLib:17.11.176.26 definitions=2023-12-09_01,2023-12-07_01,2023-05-22_02 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 impostorscore=0 spamscore=0 mlxscore=0 malwarescore=0 mlxlogscore=999 clxscore=1015 priorityscore=1501 adultscore=0 suspectscore=0 lowpriorityscore=0 bulkscore=0 phishscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.19.0-2311290000 definitions=main-2312210054 X-getmail-retrieved-from-mailbox: INBOX X-GMAIL-THRID: 1785876308187553391 X-GMAIL-MSGID: 1785876308187553391 Add support to listen HW safety IRQ like ECC(error correction code), DPP(data path parity), FSM(finite state machine) fault in common IRQ line. Signed-off-by: Suraj Jaiswal --- drivers/net/ethernet/stmicro/stmmac/common.h | 1 + drivers/net/ethernet/stmicro/stmmac/stmmac.h | 3 ++ .../net/ethernet/stmicro/stmmac/stmmac_main.c | 37 +++++++++++++++++++ .../ethernet/stmicro/stmmac/stmmac_platform.c | 8 ++++ 4 files changed, 49 insertions(+) diff --git a/drivers/net/ethernet/stmicro/stmmac/common.h b/drivers/net/ethernet/stmicro/stmmac/common.h index 721c1f8e892f..b9233b09b80f 100644 --- a/drivers/net/ethernet/stmicro/stmmac/common.h +++ b/drivers/net/ethernet/stmicro/stmmac/common.h @@ -344,6 +344,7 @@ enum request_irq_err { REQ_IRQ_ERR_ALL, REQ_IRQ_ERR_TX, REQ_IRQ_ERR_RX, + REQ_IRQ_ERR_SFTY, REQ_IRQ_ERR_SFTY_UE, REQ_IRQ_ERR_SFTY_CE, REQ_IRQ_ERR_LPI, diff --git a/drivers/net/ethernet/stmicro/stmmac/stmmac.h b/drivers/net/ethernet/stmicro/stmmac/stmmac.h index 9f89acf31050..ca3d93851bed 100644 --- a/drivers/net/ethernet/stmicro/stmmac/stmmac.h +++ b/drivers/net/ethernet/stmicro/stmmac/stmmac.h @@ -31,6 +31,7 @@ struct stmmac_resources { int wol_irq; int lpi_irq; int irq; + int sfty_irq; int sfty_ce_irq; int sfty_ue_irq; int rx_irq[MTL_MAX_RX_QUEUES]; @@ -297,6 +298,7 @@ struct stmmac_priv { void __iomem *ptpaddr; void __iomem *estaddr; unsigned long active_vlans[BITS_TO_LONGS(VLAN_N_VID)]; + int sfty_irq; int sfty_ce_irq; int sfty_ue_irq; int rx_irq[MTL_MAX_RX_QUEUES]; @@ -305,6 +307,7 @@ struct stmmac_priv { char int_name_mac[IFNAMSIZ + 9]; char int_name_wol[IFNAMSIZ + 9]; char int_name_lpi[IFNAMSIZ + 9]; + char int_name_sfty[IFNAMSIZ + 10]; char int_name_sfty_ce[IFNAMSIZ + 10]; char int_name_sfty_ue[IFNAMSIZ + 10]; char int_name_rx_irq[MTL_MAX_TX_QUEUES][IFNAMSIZ + 14]; diff --git a/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c b/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c index 47de466e432c..7d4e827dfeab 100644 --- a/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c +++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c @@ -3592,6 +3592,10 @@ static void stmmac_free_irq(struct net_device *dev, if (priv->wol_irq > 0 && priv->wol_irq != dev->irq) free_irq(priv->wol_irq, dev); fallthrough; + case REQ_IRQ_ERR_SFTY: + if (priv->sfty_irq > 0 && priv->sfty_irq != dev->irq) + free_irq(priv->sfty_irq, dev); + fallthrough; case REQ_IRQ_ERR_WOL: free_irq(dev->irq, dev); fallthrough; @@ -3661,6 +3665,23 @@ static int stmmac_request_irq_multi_msi(struct net_device *dev) } } + /* Request the common Safety Feature Correctible/Uncorrectible + * Error line in case of another line is used + */ + if (priv->sfty_irq > 0 && priv->sfty_irq != dev->irq) { + int_name = priv->int_name_sfty; + sprintf(int_name, "%s:%s", dev->name, "safety"); + ret = request_irq(priv->sfty_irq, stmmac_safety_interrupt, + 0, int_name, dev); + if (unlikely(ret < 0)) { + netdev_err(priv->dev, + "%s: alloc sfty MSI %d (error: %d)\n", + __func__, priv->sfty_irq, ret); + irq_err = REQ_IRQ_ERR_SFTY; + goto irq_error; + } + } + /* Request the Safety Feature Correctible Error line in * case of another line is used */ @@ -3798,6 +3819,21 @@ static int stmmac_request_irq_single(struct net_device *dev) } } + /* Request the common Safety Feature Correctible/Uncorrectible + * Error line in case of another line is used + */ + if (priv->sfty_irq > 0 && priv->sfty_irq != dev->irq) { + ret = request_irq(priv->sfty_irq, stmmac_safety_interrupt, + IRQF_SHARED, dev->name, dev); + if (unlikely(ret < 0)) { + netdev_err(priv->dev, + "%s: ERROR: allocating the sfty IRQ %d (%d)\n", + __func__, priv->sfty_irq, ret); + irq_err = REQ_IRQ_ERR_SFTY; + goto irq_error; + } + } + return 0; irq_error: @@ -7462,6 +7498,7 @@ int stmmac_dvr_probe(struct device *device, priv->dev->irq = res->irq; priv->wol_irq = res->wol_irq; priv->lpi_irq = res->lpi_irq; + priv->sfty_irq = res->sfty_irq; priv->sfty_ce_irq = res->sfty_ce_irq; priv->sfty_ue_irq = res->sfty_ue_irq; for (i = 0; i < MTL_MAX_RX_QUEUES; i++) diff --git a/drivers/net/ethernet/stmicro/stmmac/stmmac_platform.c b/drivers/net/ethernet/stmicro/stmmac/stmmac_platform.c index 70eadc83ca68..ab250161fd79 100644 --- a/drivers/net/ethernet/stmicro/stmmac/stmmac_platform.c +++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_platform.c @@ -743,6 +743,14 @@ int stmmac_get_platform_resources(struct platform_device *pdev, dev_info(&pdev->dev, "IRQ eth_lpi not found\n"); } + stmmac_res->sfty_irq = + platform_get_irq_byname_optional(pdev, "sfty"); + if (stmmac_res->sfty_irq < 0) { + if (stmmac_res->sfty_irq == -EPROBE_DEFER) + return -EPROBE_DEFER; + dev_info(&pdev->dev, "IRQ safety IRQ not found\n"); + } + stmmac_res->addr = devm_platform_ioremap_resource(pdev, 0); return PTR_ERR_OR_ZERO(stmmac_res->addr);