From patchwork Tue Mar 19 20:47:27 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Kuppuswamy Sathyanarayanan X-Patchwork-Id: 10860347 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 36A7B17E9 for ; Tue, 19 Mar 2019 20:49:53 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 2559029862 for ; Tue, 19 Mar 2019 20:49:53 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 195A52986A; Tue, 19 Mar 2019 20:49:53 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-7.9 required=2.0 tests=BAYES_00,MAILING_LIST_MULTI, RCVD_IN_DNSWL_HI autolearn=unavailable version=3.3.1 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id B974129862 for ; Tue, 19 Mar 2019 20:49:52 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727139AbfCSUtf (ORCPT ); Tue, 19 Mar 2019 16:49:35 -0400 Received: from mga14.intel.com ([192.55.52.115]:15583 "EHLO mga14.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726007AbfCSUtf (ORCPT ); Tue, 19 Mar 2019 16:49:35 -0400 X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from fmsmga001.fm.intel.com ([10.253.24.23]) by fmsmga103.fm.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 19 Mar 2019 13:49:34 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.60,246,1549958400"; d="scan'208";a="156465769" Received: from skuppusw-desk.jf.intel.com ([10.54.74.33]) by fmsmga001.fm.intel.com with ESMTP; 19 Mar 2019 13:49:34 -0700 From: sathyanarayanan.kuppuswamy@linux.intel.com To: bhelgaas@google.com, rjw@rjwysocki.net, lenb@kernel.org Cc: linux-pci@vger.kernel.org, linux-acpi@vger.kernel.org, linux-kernel@vger.kernel.org, ashok.raj@intel.com, keith.busch@intel.com, sathyanarayanan.kuppuswamy@linux.intel.com Subject: [PATCH v2 0/2] Add Error Disconnect Recover (EDR) support. Date: Tue, 19 Mar 2019 13:47:27 -0700 Message-Id: X-Mailer: git-send-email 2.20.1 MIME-Version: 1.0 Sender: linux-pci-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-pci@vger.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP From: Kuppuswamy Sathyanarayanan 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 v1: * Rebased on top of v5.1-rc1 Kuppuswamy Sathyanarayanan (2): PCI/ACPI: Add _OSC based negotiation support for DPC PCI/DPC: Add Error Disconnect Recover (EDR) support drivers/acpi/pci_root.c | 6 + drivers/pci/pcie/Kconfig | 10 + drivers/pci/pcie/dpc.c | 326 ++++++++++++++++++++++++++++++-- drivers/pci/pcie/portdrv_core.c | 8 +- drivers/pci/probe.c | 1 + include/linux/acpi.h | 3 +- include/linux/pci.h | 1 + 7 files changed, 339 insertions(+), 16 deletions(-)