Message ID | cover.1572652041.git.sathyanarayanan.kuppuswamy@linux.intel.com |
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Headers | show
Return-Path: <linux-pci-owner@vger.kernel.org> X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Authentication-Results: ozlabs.org; spf=none (no SPF record) smtp.mailfrom=vger.kernel.org (client-ip=209.132.180.67; helo=vger.kernel.org; envelope-from=linux-pci-owner@vger.kernel.org; receiver=<UNKNOWN>) Authentication-Results: ozlabs.org; dmarc=none (p=none dis=none) header.from=linux.intel.com Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by ozlabs.org (Postfix) with ESMTP id 474fLM40vwz9sNx for <incoming@patchwork.ozlabs.org>; Sat, 2 Nov 2019 10:59:23 +1100 (AEDT) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726532AbfKAX7O (ORCPT <rfc822;incoming@patchwork.ozlabs.org>); Fri, 1 Nov 2019 19:59:14 -0400 Received: from mga04.intel.com ([192.55.52.120]:63645 "EHLO mga04.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725989AbfKAX7O (ORCPT <rfc822;linux-pci@vger.kernel.org>); Fri, 1 Nov 2019 19:59:14 -0400 X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from fmsmga008.fm.intel.com ([10.253.24.58]) by fmsmga104.fm.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 01 Nov 2019 16:59:14 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.68,257,1569308400"; d="scan'208";a="199469567" Received: from skuppusw-desk.jf.intel.com ([10.54.74.33]) by fmsmga008.fm.intel.com with ESMTP; 01 Nov 2019 16:59:14 -0700 From: sathyanarayanan.kuppuswamy@linux.intel.com To: bhelgaas@google.com Cc: linux-pci@vger.kernel.org, linux-kernel@vger.kernel.org, ashok.raj@intel.com, keith.busch@intel.com, sathyanarayanan.kuppuswamy@linux.intel.com Subject: [PATCH v10 0/8] Add Error Disconnect Recover (EDR) support Date: Fri, 1 Nov 2019 16:56:48 -0700 Message-Id: <cover.1572652041.git.sathyanarayanan.kuppuswamy@linux.intel.com> X-Mailer: git-send-email 2.21.0 MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Sender: linux-pci-owner@vger.kernel.org Precedence: bulk List-ID: <linux-pci.vger.kernel.org> X-Mailing-List: linux-pci@vger.kernel.org |
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Add Error Disconnect Recover (EDR) support
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From: Kuppuswamy Sathyanarayanan <sathyanarayanan.kuppuswamy@linux.intel.com> This patchset adds support for following features: 1. Error Disconnect Recover (EDR) support. 2. _OSC based negotiation support for DPC. You can find EDR spec in the following link. https://members.pcisig.com/wg/PCI-SIG/document/12614 Changes since v9: * Removed caching of pcie_aer_get_firmware_first() in dpc driver. * Added proper spec reference in git log for patch 5 & 7. * Added new function parameter "ff_check" to pci_cleanup_aer_uncorrect_error_status(), pci_aer_clear_fatal_status() and pci_cleanup_aer_error_status_regs() functions. * Rebased on top of v5.4-rc5 Changes since v8: * Rebased on top of v5.4-rc1 Changes since v7: * Updated DSM version number to match the spec. Changes since v6: * Modified the order of patches to enable EDR only after all necessary support is added in kernel. * Addressed Bjorn comments. Changes since v5: * Addressed Keith's comments. * Added additional check for FF mode in pci_aer_init(). * Updated commit history of "PCI/DPC: Add support for DPC recovery on NON_FATAL errors" patch. Changes since v4: * Rebased on top of v5.3-rc1 * Fixed lock/unlock issue in edr_handle_event(). * Merged "Update error status after reset_link()" patch into this patchset. Changes since v3: * Moved EDR related ACPI functions/definitions to pci-acpi.c * Modified commit history in few patches to include spec reference. * Added support to handle DPC triggered by NON_FATAL errors. * Added edr_lock to protect PCI device receiving duplicate EDR notifications. * Addressed Bjorn comments. Changes since v2: * Split EDR support patch into multiple patches. * Addressed Bjorn comments. Changes since v1: * Rebased on top of v5.1-rc1 Kuppuswamy Sathyanarayanan (8): PCI/ERR: Update error status after reset_link() PCI/DPC: Allow dpc_probe() even if firmware first mode is enabled PCI/DPC: Add dpc_process_error() wrapper function PCI/DPC: Add Error Disconnect Recover (EDR) support PCI/AER: Allow clearing Error Status Register in FF mode PCI/DPC: Update comments related to DPC recovery on NON_FATAL errors PCI/DPC: Clear AER registers in EDR mode PCI/ACPI: Enable EDR support Documentation/PCI/pcieaer-howto.rst | 2 +- drivers/acpi/pci_root.c | 9 + drivers/net/ethernet/intel/ice/ice_main.c | 2 +- drivers/ntb/hw/idt/ntb_hw_idt.c | 2 +- drivers/pci/pci-acpi.c | 95 ++++++++++ drivers/pci/pci.c | 2 +- drivers/pci/pci.h | 2 +- drivers/pci/pcie/Kconfig | 10 + drivers/pci/pcie/aer.c | 16 +- drivers/pci/pcie/dpc.c | 215 ++++++++++++++++++++-- drivers/pci/pcie/err.c | 12 +- drivers/pci/pcie/portdrv_core.c | 8 +- drivers/pci/probe.c | 1 + drivers/scsi/lpfc/lpfc_attr.c | 2 +- include/linux/acpi.h | 6 +- include/linux/aer.h | 12 +- include/linux/pci-acpi.h | 11 ++ include/linux/pci.h | 3 +- 18 files changed, 365 insertions(+), 45 deletions(-)