From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Google-Smtp-Source: AB8JxZq6KcVCTvWR1Xe0YuGLZnQXLj9sIvQj3ljoX9C7ppzt7/v8s2UZAMkp8i3fLyECJ+A/wQOG ARC-Seal: i=1; a=rsa-sha256; t=1525323847; cv=none; d=google.com; s=arc-20160816; b=0NMeQtbHK/6qzu1qJP+P//6QdZhCxEWjnkwJIoYkJszw7mevi9nIw4xl9ZUG7eStxj tBJ92EUvpnt2jdjb6tpN1B2tYuR683wnZK1f3yFoaswZWGoEk/5gVkNhe3t+9iv5gKUz dQLytg409wglnrfx+gpdrGW/CN8427lREAWYTKXaQdsSezYwnp024BeAmQBzFJVFwkvX Th3zUai5W+NpanLqCj8GTEUvROBWqOnsQvtg+zd2YdCRk5oDc2MkfA5RnQmIXj/vCokf 0v4eGPGMmNNV5xC4hNRMSDjPPZ3ZVxdUvOU2ZKIHNaoctLI7SDp+MKpY1fBjNsppvwrr A02g== 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=Yh/2EHBJsENWBe2qArUC3sNAAx82Q2jm9hqqSSD3Kkg=; b=JZArSpZ1PlFp5AV1ZDgaGFlA+oxaS0NnjkDzBKzJMUsVSX0JTuMdGW6GJa1zTkpIv4 uYH9Q5pvAGizf6umiOnbCUPds6n1agPWOmch3lugjlozBr9S7a53lnu5CNXeTGDc3aGq 49sR89wQTdR85WbYKNVd7DQ0xHuyXP7Mz6NxiWyBsCQ2HE88yCDxDGeTZpYWNjQDQ/zI ryuF3LtySsyE0vuu5XG4yMEt2ByjWwfHhg9kuUnPXNlnEJvi9z7nW9nT3SkkkpmaoEMJ yoOsIA8Xb2ewv/19ZAa5dTPhtxdlxEKQfeOYf0CbZAYI4r9wYgVhZVWy89JTR7bfu1IY cJvw== ARC-Authentication-Results: i=1; mx.google.com; spf=pass (google.com: domain of poza@qualcomm.com designates 65.197.215.72 as permitted sender) smtp.mailfrom=poza@qualcomm.com Authentication-Results: mx.google.com; spf=pass (google.com: domain of poza@qualcomm.com designates 65.197.215.72 as permitted sender) smtp.mailfrom=poza@qualcomm.com X-IronPort-AV: E=Sophos;i="5.49,356,1520924400"; d="scan'208";a="126361302" X-IronPort-AV: E=McAfee;i="5900,7806,8881"; a="182707668" 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 v15 9/9] PCI/DPC: Disable ERR_NONFATAL and enable ERR_FATAL for DPC Date: Thu, 3 May 2018 01:03:58 -0400 Message-Id: <1525323838-1735-10-git-send-email-poza@codeaurora.org> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1525323838-1735-1-git-send-email-poza@codeaurora.org> References: <1525323838-1735-1-git-send-email-poza@codeaurora.org> X-getmail-retrieved-from-mailbox: INBOX X-GMAIL-THRID: =?utf-8?q?1599417977949532596?= X-GMAIL-MSGID: =?utf-8?q?1599417977949532596?= 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/dpc.c b/drivers/pci/pcie/dpc.c index aed7c9f..6966e00 100644 --- a/drivers/pci/pcie/dpc.c +++ b/drivers/pci/pcie/dpc.c @@ -263,7 +263,7 @@ 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", @@ -281,7 +281,7 @@ 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 103ba79..86f1cc2 100644 --- a/include/uapi/linux/pci_regs.h +++ b/include/uapi/linux/pci_regs.h @@ -981,6 +981,7 @@ #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_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 */ -- 2.7.4