From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Google-Smtp-Source: AIpwx4+i70UZFgnjDKNXyyKrLBl0CQPmGFKFOB/DSfpQGt1h1E7s5GmmYcnrbH0SKePXkABOtYH7 ARC-Seal: i=1; a=rsa-sha256; t=1524496998; cv=none; d=google.com; s=arc-20160816; b=lcG4Vm7q7o/aSQ5ONXiJwjoUb2KdWULlZEsSce9Vg08t0fBsXTIGRYBBauxYgsjFly cB99CQfkqbphri09pptB1LuDdE226P0Aww9TURLJs4byCZuQXzzb59Cwh7K4rHG1bXyr OySTY2JaOEwNgCFfsCieWm738MncR4hZRNAPEGfhmHwKZnRbYs3sf5EpDnQIEd0H2kBQ UEOvYcZMfnjtFo1NyKll4Di9dhDehndf9CFzqoYaoVipmwP8scs1Ufx2O5HD2/dadMx/ xTVOxC29x+Hdi547poiewrr53l5GIG+wMVKBWoI03B87B0STbbUHNBydG1jJsPJSAYWD /cNg== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=references:in-reply-to:message-id:date:subject:cc:to:from :arc-authentication-results; bh=CJK4nceyb2ZtpnDLV8R4aQ/MpAcAJHa2MgWqZwMRaus=; b=B5TXCkZZKCiNURLgMC1ywDceN+DDUVNVtETtsCAhbjXAeUSxQh6zUhixFg/9/SmWE7 rFjLu/w+qby3S0VwUtIFmC90lt0D1sY1EoWZ152Lo5JMx+QGh7/tVF8USZE92jy/TY/c lJWPrNF6+v4bP6W6QwE0z47tDm9WOb5HSFf0LxPIizIQxTSVpY9SoJ8y1p9k0x9JMQvA bx4PLXoJnmrTuclWZvCKF768LabA49QKgl+Fa5UuwtAyqM6tHVHKcFfHd4UaD7jKpujh braGBn1m4TBUIyCgLZQY9vlUtKtOju/hVhK7Xst82A7abSnTAf1upD5rCirfQiNNt4Ju NtIg== ARC-Authentication-Results: i=1; mx.google.com; spf=pass (google.com: domain of poza@qualcomm.com designates 129.46.98.28 as permitted sender) smtp.mailfrom=poza@qualcomm.com Authentication-Results: mx.google.com; spf=pass (google.com: domain of poza@qualcomm.com designates 129.46.98.28 as permitted sender) smtp.mailfrom=poza@qualcomm.com X-IronPort-AV: E=Sophos;i="5.49,318,1520924400"; d="scan'208";a="16839220" From: Oza Pawandeep To: Bjorn Helgaas , Philippe Ombredanne , Thomas Gleixner , Greg Kroah-Hartman , Kate Stewart , linux-pci@vger.kernel.org, linux-kernel@vger.kernel.org, Dongdong Liu , Keith Busch , Wei Zhang , Sinan Kaya , Timur Tabi Cc: Oza Pawandeep Subject: [PATCH v14 7/9] PCI/DPC: Disable ERR_NONFATAL and enable ERR_FATAL for DPC Date: Mon, 23 Apr 2018 11:23:11 -0400 Message-Id: <1524496993-29799-8-git-send-email-poza@codeaurora.org> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1524496993-29799-1-git-send-email-poza@codeaurora.org> References: <1524496993-29799-1-git-send-email-poza@codeaurora.org> X-getmail-retrieved-from-mailbox: INBOX X-GMAIL-THRID: =?utf-8?q?1598550964540468841?= X-GMAIL-MSGID: =?utf-8?q?1598550964540468841?= X-Mailing-List: linux-kernel@vger.kernel.org List-ID: This patch disables ERR_NONFATAL trigger for DPC, so now DPC handles only ERR_FATAL. Signed-off-by: Oza Pawandeep diff --git a/drivers/pci/pcie/pcie-dpc.c b/drivers/pci/pcie/pcie-dpc.c index 6baed85..cd15862 100644 --- a/drivers/pci/pcie/pcie-dpc.c +++ b/drivers/pci/pcie/pcie-dpc.c @@ -283,7 +283,8 @@ static int dpc_probe(struct pcie_device *dev) } } - ctl = (ctl & 0xfff4) | PCI_EXP_DPC_CTL_EN_NONFATAL | PCI_EXP_DPC_CTL_INT_EN; + ctl = (ctl & 0xfff4) | PCI_EXP_DPC_CTL_EN_FATAL | + PCI_EXP_DPC_CTL_INT_EN; pci_write_config_word(pdev, dpc->cap_pos + PCI_EXP_DPC_CTL, ctl); dev_info(device, "DPC error containment capabilities: Int Msg #%d, RPExt%c PoisonedTLP%c SwTrigger%c RP PIO Log %d, DL_ActiveErr%c\n", @@ -301,7 +302,7 @@ static void dpc_remove(struct pcie_device *dev) u16 ctl; pci_read_config_word(pdev, dpc->cap_pos + PCI_EXP_DPC_CTL, &ctl); - ctl &= ~(PCI_EXP_DPC_CTL_EN_NONFATAL | PCI_EXP_DPC_CTL_INT_EN); + ctl &= ~(PCI_EXP_DPC_CTL_EN_FATAL | PCI_EXP_DPC_CTL_INT_EN); pci_write_config_word(pdev, dpc->cap_pos + PCI_EXP_DPC_CTL, ctl); } diff --git a/include/uapi/linux/pci_regs.h b/include/uapi/linux/pci_regs.h index 0c79eac..dcc3957 100644 --- a/include/uapi/linux/pci_regs.h +++ b/include/uapi/linux/pci_regs.h @@ -978,7 +978,8 @@ #define PCI_EXP_DPC_CAP_DL_ACTIVE 0x1000 /* ERR_COR signal on DL_Active supported */ #define PCI_EXP_DPC_CTL 6 /* DPC control */ -#define PCI_EXP_DPC_CTL_EN_NONFATAL 0x0002 /* Enable trigger on ERR_NONFATAL message */ +#define PCI_EXP_DPC_CTL_EN_FATAL 0x0001 /* Enable trigger on ERR_FATAL message */ +#define PCI_EXP_DPC_CTL_EN_NONFATAL 0x0002 /* Enable trigger on ERR_NONFATAL message */ #define PCI_EXP_DPC_CTL_INT_EN 0x0008 /* DPC Interrupt Enable */ #define PCI_EXP_DPC_STATUS 8 /* DPC Status */ -- 2.7.4