From patchwork Tue Jul 4 12:05:05 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: LeoLiu-oc X-Patchwork-Id: 13301033 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 9DADEC001B3 for ; Tue, 4 Jul 2023 12:05:14 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231185AbjGDMFN (ORCPT ); Tue, 4 Jul 2023 08:05:13 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:56058 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230489AbjGDMFN (ORCPT ); Tue, 4 Jul 2023 08:05:13 -0400 Received: from mx2.zhaoxin.com (mx2.zhaoxin.com [203.110.167.99]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 33BB6E62 for ; Tue, 4 Jul 2023 05:05:11 -0700 (PDT) X-ASG-Debug-ID: 1688472307-1eb14e179d101f0001-I98ny2 Received: from ZXSHMBX2.zhaoxin.com (ZXSHMBX2.zhaoxin.com [10.28.252.164]) by mx2.zhaoxin.com with ESMTP id G0Eta9LNgFSSPdSJ (version=TLSv1.2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128 verify=NO); Tue, 04 Jul 2023 20:05:07 +0800 (CST) X-Barracuda-Envelope-From: LeoLiu-oc@zhaoxin.com X-Barracuda-RBL-Trusted-Forwarder: 10.28.252.164 Received: from ZXBJMBX03.zhaoxin.com (10.29.252.7) by ZXSHMBX2.zhaoxin.com (10.28.252.164) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2507.16; Tue, 4 Jul 2023 20:05:07 +0800 Received: from xin.lan (10.32.64.1) by ZXBJMBX03.zhaoxin.com (10.29.252.7) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2507.16; Tue, 4 Jul 2023 20:05:05 +0800 X-Barracuda-RBL-Trusted-Forwarder: 10.28.252.164 From: LeoLiu-oc X-Barracuda-RBL-Trusted-Forwarder: 10.29.252.7 To: , , , , , , , , , , Subject: [PATCH v3 1/5] ACPI/APEI: Add apei_hest_parse_aer() Date: Tue, 4 Jul 2023 20:05:05 +0800 X-ASG-Orig-Subj: [PATCH v3 1/5] ACPI/APEI: Add apei_hest_parse_aer() Message-ID: <20230704120505.1322152-1-LeoLiu-oc@zhaoxin.com> X-Mailer: git-send-email 2.34.1 MIME-Version: 1.0 X-Originating-IP: [10.32.64.1] X-ClientProxiedBy: zxbjmbx1.zhaoxin.com (10.29.252.163) To ZXBJMBX03.zhaoxin.com (10.29.252.7) X-Barracuda-Connect: ZXSHMBX2.zhaoxin.com[10.28.252.164] X-Barracuda-Start-Time: 1688472307 X-Barracuda-Encrypted: ECDHE-RSA-AES128-GCM-SHA256 X-Barracuda-URL: https://10.28.252.36:4443/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at zhaoxin.com X-Barracuda-Scan-Msg-Size: 7867 X-Barracuda-BRTS-Status: 1 X-Barracuda-Bayes: INNOCENT GLOBAL 0.0000 1.0000 -2.0210 X-Barracuda-Spam-Score: -2.02 X-Barracuda-Spam-Status: No, SCORE=-2.02 using global scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=9.0 tests= X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.110906 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- Precedence: bulk List-ID: X-Mailing-List: linux-acpi@vger.kernel.org From: leoliu-oc apei_hest_parse_aer() is used to parse and extract register values from HEST PCIe AER structures. Signed-off-by: leoliu-oc --- drivers/acpi/apei/hest.c | 114 ++++++++++++++++++++++++++++++++++++++- include/acpi/actbl1.h | 69 ++++++++++++++++++++++++ include/acpi/apei.h | 7 +++ 3 files changed, 189 insertions(+), 1 deletion(-) diff --git a/drivers/acpi/apei/hest.c b/drivers/acpi/apei/hest.c index 6aef1ee5e1bdb..fb839a5c480ee 100644 --- a/drivers/acpi/apei/hest.c +++ b/drivers/acpi/apei/hest.c @@ -26,6 +26,7 @@ #include #include +#include #include "apei-internal.h" #define HEST_PFX "HEST: " @@ -86,7 +87,50 @@ static int hest_esrc_len(struct acpi_hest_header *hest_hdr) return len; }; -typedef int (*apei_hest_func_t)(struct acpi_hest_header *hest_hdr, void *data); +static bool hest_source_is_pcie_aer(struct acpi_hest_header *hest_hdr) +{ + switch (hest_hdr->type) { + case ACPI_HEST_TYPE_AER_ROOT_PORT: + case ACPI_HEST_TYPE_AER_ENDPOINT: + case ACPI_HEST_TYPE_AER_BRIDGE: + return true; + default: + return false; + } +} + +static bool hest_match_type(struct acpi_hest_header *hest_hdr, + struct pci_dev *dev) +{ + u16 hest_type = hest_hdr->type; + u8 pcie_type = pci_pcie_type(dev); + + if ((hest_type == ACPI_HEST_TYPE_AER_ROOT_PORT && + pcie_type == PCI_EXP_TYPE_ROOT_PORT) || + (hest_type == ACPI_HEST_TYPE_AER_ENDPOINT && + pcie_type == PCI_EXP_TYPE_ENDPOINT) || + (hest_type == ACPI_HEST_TYPE_AER_BRIDGE && + (pcie_type == PCI_EXP_TYPE_PCI_BRIDGE || pcie_type == PCI_EXP_TYPE_PCIE_BRIDGE))) + return true; + return false; +} + +static bool hest_match_pci_devfn(struct acpi_hest_aer_common *p, + struct pci_dev *pci) +{ + return ACPI_HEST_SEGMENT(p->bus) == pci_domain_nr(pci->bus) && + ACPI_HEST_BUS(p->bus) == pci->bus->number && + p->device == PCI_SLOT(pci->devfn) && + p->function == PCI_FUNC(pci->devfn); +} + +static bool hest_match_pci(struct acpi_hest_header *hest_hdr, + struct acpi_hest_aer_common *p, struct pci_dev *pci) +{ + if (hest_match_type(hest_hdr, pci)) + return hest_match_pci_devfn(p, pci); + return false; +} static int apei_hest_parse(apei_hest_func_t func, void *data) { @@ -124,6 +168,74 @@ static int apei_hest_parse(apei_hest_func_t func, void *data) return 0; } +/* + * apei_hest_parse_aer - Find the AER structure in the HEST and + * match it with the PCIe device. + * + * @hest_hdr: To save the ACPI AER error source in HEST + * + * Return 1 if the PCIe dev matched with the ACPI AER error source in + * HEST, else return 0. + */ +int apei_hest_parse_aer(struct acpi_hest_header *hest_hdr, void *data) +{ + struct acpi_hest_parse_aer_info *info = data; + struct acpi_hest_aer_endpoint *acpi_hest_aer_endpoint = NULL; + struct acpi_hest_aer_root_port *acpi_hest_aer_root_port = NULL; + struct acpi_hest_aer_for_bridge *acpi_hest_aer_for_bridge = NULL; + + if (!hest_source_is_pcie_aer(hest_hdr)) + return 0; + + switch (hest_hdr->type) { + case ACPI_HEST_TYPE_AER_ROOT_PORT: + acpi_hest_aer_root_port = (struct acpi_hest_aer_root_port *)(hest_hdr + 1); + if (acpi_hest_aer_root_port->flags & ACPI_HEST_GLOBAL) { + if (hest_match_type(hest_hdr, info->pci_dev)) { + info->acpi_hest_aer_root_port = acpi_hest_aer_root_port; + info->hest_matched_with_dev = 1; + } + } else if (hest_match_pci(hest_hdr, + (struct acpi_hest_aer_common *)acpi_hest_aer_root_port, + info->pci_dev)) { + info->acpi_hest_aer_root_port = acpi_hest_aer_root_port; + info->hest_matched_with_dev = 1; + } + break; + case ACPI_HEST_TYPE_AER_ENDPOINT: + acpi_hest_aer_endpoint = (struct acpi_hest_aer_endpoint *)(hest_hdr + 1); + if (acpi_hest_aer_endpoint->flags & ACPI_HEST_GLOBAL) { + if (hest_match_type(hest_hdr, info->pci_dev)) { + info->acpi_hest_aer_endpoint = acpi_hest_aer_endpoint; + info->hest_matched_with_dev = 1; + } + } else if (hest_match_pci(hest_hdr, + (struct acpi_hest_aer_common *)acpi_hest_aer_endpoint, + info->pci_dev)) { + info->acpi_hest_aer_endpoint = acpi_hest_aer_endpoint; + info->hest_matched_with_dev = 1; + } + break; + case ACPI_HEST_TYPE_AER_BRIDGE: + acpi_hest_aer_for_bridge = (struct acpi_hest_aer_for_bridge *)(hest_hdr + 1); + if (acpi_hest_aer_for_bridge->flags & ACPI_HEST_GLOBAL) { + if (hest_match_type(hest_hdr, info->pci_dev)) { + info->acpi_hest_aer_for_bridge = acpi_hest_aer_for_bridge; + info->hest_matched_with_dev = 1; + } + } else if (hest_match_pci(hest_hdr, + (struct acpi_hest_aer_common *)acpi_hest_aer_for_bridge, + info->pci_dev)) { + info->acpi_hest_aer_for_bridge = acpi_hest_aer_for_bridge; + info->hest_matched_with_dev = 1; + } + break; + default: + break; + } + return info->hest_matched_with_dev; +} + /* * Check if firmware advertises firmware first mode. We need FF bit to be set * along with a set of MC banks which work in FF mode. diff --git a/include/acpi/actbl1.h b/include/acpi/actbl1.h index 58b0490a2ad12..31abe06c6e792 100644 --- a/include/acpi/actbl1.h +++ b/include/acpi/actbl1.h @@ -1583,6 +1583,75 @@ struct acpi_hest_aer_bridge { u32 advanced_capabilities2; }; +struct acpi_hest_parse_aer_info { + struct pci_dev *pci_dev; + int hest_matched_with_dev; + struct acpi_hest_aer_endpoint *acpi_hest_aer_endpoint; + struct acpi_hest_aer_root_port *acpi_hest_aer_root_port; + struct acpi_hest_aer_for_bridge *acpi_hest_aer_for_bridge; +}; + +/* HEST Sub-structure for PCIe Root Port Structure (6) */ + +struct acpi_hest_aer_root_port { + u16 reserved1; + u8 flags; + u8 enabled; + u32 records_to_preallocate; + u32 max_sections_per_record; + u32 bus; + u16 device; + u16 function; + u16 device_control; + u16 reserved2; + u32 uncorrectable_mask; + u32 uncorrectable_severity; + u32 correctable_mask; + u32 advanced_capabilities; + u32 root_error_command; +}; + +/* HEST Sub-structure for PCIe Endpoint Structure (7) */ + +struct acpi_hest_aer_endpoint { + u16 reserved1; + u8 flags; + u8 enabled; + u32 records_to_preallocate; + u32 max_sections_per_record; + u32 bus; + u16 device; + u16 function; + u16 device_control; + u16 reserved2; + u32 uncorrectable_mask; + u32 uncorrectable_severity; + u32 correctable_mask; + u32 advanced_capabilities; +}; + +/* HEST Sub-structure for PCIe/PCI-X Bridge Structure (8) */ + +struct acpi_hest_aer_for_bridge { + u16 reserved1; + u8 flags; + u8 enabled; + u32 records_to_preallocate; + u32 max_sections_per_record; + u32 bus; + u16 device; + u16 function; + u16 device_control; + u16 reserved2; + u32 uncorrectable_mask; + u32 uncorrectable_severity; + u32 correctable_mask; + u32 advanced_capabilities; + u32 uncorrectable_mask2; + u32 uncorrectable_severity2; + u32 advanced_capabilities2; +}; + /* 9: Generic Hardware Error Source */ struct acpi_hest_generic { diff --git a/include/acpi/apei.h b/include/acpi/apei.h index dc60f7db5524f..8a0b2b9edbafe 100644 --- a/include/acpi/apei.h +++ b/include/acpi/apei.h @@ -33,10 +33,17 @@ void __init acpi_ghes_init(void); static inline void acpi_ghes_init(void) { } #endif +typedef int (*apei_hest_func_t)(struct acpi_hest_header *hest_hdr, void *data); + #ifdef CONFIG_ACPI_APEI void __init acpi_hest_init(void); +int apei_hest_parse_aer(struct acpi_hest_header *hest_hdr, void *data); #else static inline void acpi_hest_init(void) { } +static inline int apei_hest_parse_aer(struct acpi_hest_header *hest_hdr, void *data) +{ + return -EINVAL; +} #endif int erst_write(const struct cper_record_header *record); From patchwork Tue Jul 4 12:05:17 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: LeoLiu-oc X-Patchwork-Id: 13301034 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 87D9DEB64DD for ; Tue, 4 Jul 2023 12:05:28 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231320AbjGDMF0 (ORCPT ); Tue, 4 Jul 2023 08:05:26 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:56258 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231446AbjGDMFY (ORCPT ); Tue, 4 Jul 2023 08:05:24 -0400 Received: from mx2.zhaoxin.com (mx2.zhaoxin.com [203.110.167.99]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 7F9B910CF for ; Tue, 4 Jul 2023 05:05:22 -0700 (PDT) X-ASG-Debug-ID: 1688472320-1eb14e179f10210001-I98ny2 Received: from ZXSHMBX1.zhaoxin.com (ZXSHMBX1.zhaoxin.com [10.28.252.163]) by mx2.zhaoxin.com with ESMTP id KPRdqURlNPZNorAm (version=TLSv1.2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128 verify=NO); Tue, 04 Jul 2023 20:05:20 +0800 (CST) X-Barracuda-Envelope-From: LeoLiu-oc@zhaoxin.com X-Barracuda-RBL-Trusted-Forwarder: 10.28.252.163 Received: from ZXBJMBX03.zhaoxin.com (10.29.252.7) by ZXSHMBX1.zhaoxin.com (10.28.252.163) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2507.16; Tue, 4 Jul 2023 20:05:19 +0800 Received: from xin.lan (10.32.64.1) by ZXBJMBX03.zhaoxin.com (10.29.252.7) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2507.16; Tue, 4 Jul 2023 20:05:18 +0800 X-Barracuda-RBL-Trusted-Forwarder: 10.28.252.163 From: LeoLiu-oc X-Barracuda-RBL-Trusted-Forwarder: 10.29.252.7 To: , , , , , , , , , , Subject: [PATCH v3 2/5] ACPI/APEI: Remove static from apei_hest_parse() Date: Tue, 4 Jul 2023 20:05:17 +0800 X-ASG-Orig-Subj: [PATCH v3 2/5] ACPI/APEI: Remove static from apei_hest_parse() Message-ID: <20230704120517.1322195-1-LeoLiu-oc@zhaoxin.com> X-Mailer: git-send-email 2.34.1 MIME-Version: 1.0 X-Originating-IP: [10.32.64.1] X-ClientProxiedBy: zxbjmbx1.zhaoxin.com (10.29.252.163) To ZXBJMBX03.zhaoxin.com (10.29.252.7) X-Barracuda-Connect: ZXSHMBX1.zhaoxin.com[10.28.252.163] X-Barracuda-Start-Time: 1688472320 X-Barracuda-Encrypted: ECDHE-RSA-AES128-GCM-SHA256 X-Barracuda-URL: https://10.28.252.36:4443/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at zhaoxin.com X-Barracuda-Scan-Msg-Size: 1646 X-Barracuda-BRTS-Status: 1 X-Barracuda-Bayes: INNOCENT GLOBAL 0.0000 1.0000 -2.0210 X-Barracuda-Spam-Score: -2.02 X-Barracuda-Spam-Status: No, SCORE=-2.02 using global scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=9.0 tests= X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.110906 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- Precedence: bulk List-ID: X-Mailing-List: linux-acpi@vger.kernel.org From: leoliu-oc Each dev with AER capability needs to call the apei_hest_parse function to match and extract register values from HEST PCIe AER structures. Therefore, remove static from apei_hest_parse() so that it can be called in another file. Signed-off-by: leoliu-oc --- drivers/acpi/apei/hest.c | 2 +- include/acpi/apei.h | 5 +++++ 2 files changed, 6 insertions(+), 1 deletion(-) diff --git a/drivers/acpi/apei/hest.c b/drivers/acpi/apei/hest.c index fb839a5c480ee..fd40c035c9b2e 100644 --- a/drivers/acpi/apei/hest.c +++ b/drivers/acpi/apei/hest.c @@ -132,7 +132,7 @@ static bool hest_match_pci(struct acpi_hest_header *hest_hdr, return false; } -static int apei_hest_parse(apei_hest_func_t func, void *data) +int apei_hest_parse(apei_hest_func_t func, void *data) { struct acpi_hest_header *hest_hdr; int i, rc, len; diff --git a/include/acpi/apei.h b/include/acpi/apei.h index 8a0b2b9edbafe..f975e4fe78fcb 100644 --- a/include/acpi/apei.h +++ b/include/acpi/apei.h @@ -37,9 +37,14 @@ typedef int (*apei_hest_func_t)(struct acpi_hest_header *hest_hdr, void *data); #ifdef CONFIG_ACPI_APEI void __init acpi_hest_init(void); +int apei_hest_parse(apei_hest_func_t func, void *data); int apei_hest_parse_aer(struct acpi_hest_header *hest_hdr, void *data); #else static inline void acpi_hest_init(void) { } +static inline int apei_hest_parse(apei_hest_func_t func, void *data) +{ + return -EINVAL; +} static inline int apei_hest_parse_aer(struct acpi_hest_header *hest_hdr, void *data) { return -EINVAL; From patchwork Tue Jul 4 12:05:30 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: LeoLiu-oc X-Patchwork-Id: 13301035 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 15AACEB64D9 for ; Tue, 4 Jul 2023 12:05:51 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231252AbjGDMFu (ORCPT ); Tue, 4 Jul 2023 08:05:50 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:56788 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229736AbjGDMFt (ORCPT ); Tue, 4 Jul 2023 08:05:49 -0400 Received: from mx2.zhaoxin.com (mx2.zhaoxin.com [203.110.167.99]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 903DB1727 for ; Tue, 4 Jul 2023 05:05:35 -0700 (PDT) X-ASG-Debug-ID: 1688472332-1eb14e179e10230001-I98ny2 Received: from ZXSHMBX3.zhaoxin.com (ZXSHMBX3.zhaoxin.com [10.28.252.165]) by mx2.zhaoxin.com with ESMTP id kCJ0Eque3WP18wCw (version=TLSv1.2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128 verify=NO); Tue, 04 Jul 2023 20:05:32 +0800 (CST) X-Barracuda-Envelope-From: LeoLiu-oc@zhaoxin.com X-Barracuda-RBL-Trusted-Forwarder: 10.28.252.165 Received: from ZXBJMBX03.zhaoxin.com (10.29.252.7) by ZXSHMBX3.zhaoxin.com (10.28.252.165) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2507.16; Tue, 4 Jul 2023 20:05:32 +0800 Received: from xin.lan (10.32.64.1) by ZXBJMBX03.zhaoxin.com (10.29.252.7) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2507.16; Tue, 4 Jul 2023 20:05:31 +0800 X-Barracuda-RBL-Trusted-Forwarder: 10.28.252.165 From: LeoLiu-oc X-Barracuda-RBL-Trusted-Forwarder: 10.29.252.7 To: , , , , , , , , , , Subject: [PATCH v3 3/5] PCI: Add PCIe to PCI/PCI-X Bridge AER fields Date: Tue, 4 Jul 2023 20:05:30 +0800 X-ASG-Orig-Subj: [PATCH v3 3/5] PCI: Add PCIe to PCI/PCI-X Bridge AER fields Message-ID: <20230704120530.1322257-1-LeoLiu-oc@zhaoxin.com> X-Mailer: git-send-email 2.34.1 MIME-Version: 1.0 X-Originating-IP: [10.32.64.1] X-ClientProxiedBy: zxbjmbx1.zhaoxin.com (10.29.252.163) To ZXBJMBX03.zhaoxin.com (10.29.252.7) X-Barracuda-Connect: ZXSHMBX3.zhaoxin.com[10.28.252.165] X-Barracuda-Start-Time: 1688472332 X-Barracuda-Encrypted: ECDHE-RSA-AES128-GCM-SHA256 X-Barracuda-URL: https://10.28.252.36:4443/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at zhaoxin.com X-Barracuda-Scan-Msg-Size: 1188 X-Barracuda-BRTS-Status: 1 X-Barracuda-Bayes: INNOCENT GLOBAL 0.0000 1.0000 -2.0210 X-Barracuda-Spam-Score: -2.02 X-Barracuda-Spam-Status: No, SCORE=-2.02 using global scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=9.0 tests= X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.110906 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- Precedence: bulk List-ID: X-Mailing-List: linux-acpi@vger.kernel.org From: leoliu-oc Define Secondary Uncorrectable Error Mask Register, Secondary Uncorrectable Error Severity Register and Secondary Error Capabilities and Control Register bits in AER capability for PCIe to PCI/PCI-X Bridge. Please refer to PCIe to PCI/PCI-X Bridge Specification, sec 5.2.3.2, 5.2.3.3 and 5.2.3.4. Signed-off-by: leoliu-oc --- include/uapi/linux/pci_regs.h | 3 +++ 1 file changed, 3 insertions(+) diff --git a/include/uapi/linux/pci_regs.h b/include/uapi/linux/pci_regs.h index e5f558d964939..28e20c4d0afc3 100644 --- a/include/uapi/linux/pci_regs.h +++ b/include/uapi/linux/pci_regs.h @@ -800,6 +800,9 @@ #define PCI_ERR_ROOT_FATAL_RCV 0x00000040 /* Fatal Received */ #define PCI_ERR_ROOT_AER_IRQ 0xf8000000 /* Advanced Error Interrupt Message Number */ #define PCI_ERR_ROOT_ERR_SRC 0x34 /* Error Source Identification */ +#define PCI_ERR_UNCOR_MASK2 0x30 /* PCIe to PCI/PCI-X Bridge */ +#define PCI_ERR_UNCOR_SEVER2 0x34 /* PCIe to PCI/PCI-X Bridge */ +#define PCI_ERR_CAP2 0x38 /* PCIe to PCI/PCI-X Bridge */ /* Virtual Channel */ #define PCI_VC_PORT_CAP1 0x04 From patchwork Tue Jul 4 12:05:44 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: LeoLiu-oc X-Patchwork-Id: 13301036 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id D1843EB64DA for ; Tue, 4 Jul 2023 12:06:18 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230383AbjGDMGS (ORCPT ); Tue, 4 Jul 2023 08:06:18 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:57246 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231251AbjGDMGR (ORCPT ); Tue, 4 Jul 2023 08:06:17 -0400 Received: from mx1.zhaoxin.com (MX1.ZHAOXIN.COM [210.0.225.12]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 550BC173C for ; Tue, 4 Jul 2023 05:05:50 -0700 (PDT) X-ASG-Debug-ID: 1688472346-086e23149614910001-I98ny2 Received: from ZXSHMBX2.zhaoxin.com (ZXSHMBX2.zhaoxin.com [10.28.252.164]) by mx1.zhaoxin.com with ESMTP id OHwx3kSIB8K6RgBO (version=TLSv1.2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128 verify=NO); Tue, 04 Jul 2023 20:05:46 +0800 (CST) X-Barracuda-Envelope-From: LeoLiu-oc@zhaoxin.com X-Barracuda-RBL-Trusted-Forwarder: 10.28.252.164 Received: from ZXBJMBX03.zhaoxin.com (10.29.252.7) by ZXSHMBX2.zhaoxin.com (10.28.252.164) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2507.16; Tue, 4 Jul 2023 20:05:46 +0800 Received: from xin.lan (10.32.64.1) by ZXBJMBX03.zhaoxin.com (10.29.252.7) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2507.16; Tue, 4 Jul 2023 20:05:44 +0800 X-Barracuda-RBL-Trusted-Forwarder: 10.28.252.164 From: LeoLiu-oc X-Barracuda-RBL-Trusted-Forwarder: 10.29.252.7 To: , , , , , , , , , , Subject: [PATCH v3 4/5] ACPI/PCI: Add pci_acpi_program_hest_aer_params() Date: Tue, 4 Jul 2023 20:05:44 +0800 X-ASG-Orig-Subj: [PATCH v3 4/5] ACPI/PCI: Add pci_acpi_program_hest_aer_params() Message-ID: <20230704120544.1322315-1-LeoLiu-oc@zhaoxin.com> X-Mailer: git-send-email 2.34.1 MIME-Version: 1.0 X-Originating-IP: [10.32.64.1] X-ClientProxiedBy: zxbjmbx1.zhaoxin.com (10.29.252.163) To ZXBJMBX03.zhaoxin.com (10.29.252.7) X-Barracuda-Connect: ZXSHMBX2.zhaoxin.com[10.28.252.164] X-Barracuda-Start-Time: 1688472346 X-Barracuda-Encrypted: ECDHE-RSA-AES128-GCM-SHA256 X-Barracuda-URL: https://10.28.252.35:4443/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at zhaoxin.com X-Barracuda-Scan-Msg-Size: 5685 X-Barracuda-BRTS-Status: 1 X-Barracuda-Bayes: INNOCENT GLOBAL 0.0000 1.0000 -2.0210 X-Barracuda-Spam-Score: -2.02 X-Barracuda-Spam-Status: No, SCORE=-2.02 using global scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=9.0 tests= X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.110906 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- Precedence: bulk List-ID: X-Mailing-List: linux-acpi@vger.kernel.org From: leoliu-oc The extracted register values from HEST PCI Express AER structures are written to AER Capabilities. Signed-off-by: leoliu-oc --- drivers/pci/pci-acpi.c | 92 ++++++++++++++++++++++++++++++++++++++++++ drivers/pci/pci.h | 5 +++ 2 files changed, 97 insertions(+) diff --git a/drivers/pci/pci-acpi.c b/drivers/pci/pci-acpi.c index a05350a4e49cb..cff54410e2427 100644 --- a/drivers/pci/pci-acpi.c +++ b/drivers/pci/pci-acpi.c @@ -18,6 +18,7 @@ #include #include #include +#include #include "pci.h" /* @@ -783,6 +784,97 @@ int pci_acpi_program_hp_params(struct pci_dev *dev) return -ENODEV; } +/* + * program_aer_structure_to_aer_registers - Write the AER structure to + * the corresponding dev's AER registers. + * + * @info - the AER structure information + * + */ +static void program_aer_structure_to_aer_registers(struct acpi_hest_parse_aer_info info) +{ + u32 uncorrectable_mask; + u32 uncorrectable_severity; + u32 correctable_mask; + u32 advanced_capabilities; + u32 root_error_command; + u32 uncorrectable_mask2; + u32 uncorrectable_severity2; + u32 advanced_capabilities2; + int port_type; + int pos; + struct pci_dev *dev; + + dev = info.pci_dev; + port_type = pci_pcie_type(dev); + + pos = pci_find_ext_capability(dev, PCI_EXT_CAP_ID_ERR); + if (!pos) + return; + + if (port_type == PCI_EXP_TYPE_ROOT_PORT) { + uncorrectable_mask = info.acpi_hest_aer_root_port->uncorrectable_mask; + uncorrectable_severity = info.acpi_hest_aer_root_port->uncorrectable_severity; + correctable_mask = info.acpi_hest_aer_root_port->correctable_mask; + advanced_capabilities = info.acpi_hest_aer_root_port->advanced_capabilities; + root_error_command = info.acpi_hest_aer_root_port->root_error_command; + + pci_write_config_dword(dev, pos + PCI_ERR_UNCOR_MASK, uncorrectable_mask); + pci_write_config_dword(dev, pos + PCI_ERR_UNCOR_SEVER, uncorrectable_severity); + pci_write_config_dword(dev, pos + PCI_ERR_COR_MASK, correctable_mask); + pci_write_config_dword(dev, pos + PCI_ERR_CAP, advanced_capabilities); + pci_write_config_dword(dev, pos + PCI_ERR_ROOT_COMMAND, root_error_command); + } else if (port_type == PCI_EXP_TYPE_ENDPOINT) { + uncorrectable_mask = info.acpi_hest_aer_endpoint->uncorrectable_mask; + uncorrectable_severity = info.acpi_hest_aer_endpoint->uncorrectable_severity; + correctable_mask = info.acpi_hest_aer_endpoint->correctable_mask; + advanced_capabilities = info.acpi_hest_aer_endpoint->advanced_capabilities; + + pci_write_config_dword(dev, pos + PCI_ERR_UNCOR_MASK, uncorrectable_mask); + pci_write_config_dword(dev, pos + PCI_ERR_UNCOR_SEVER, uncorrectable_severity); + pci_write_config_dword(dev, pos + PCI_ERR_COR_MASK, correctable_mask); + pci_write_config_dword(dev, pos + PCI_ERR_CAP, advanced_capabilities); + } else if ((pci_pcie_type(dev) == PCI_EXP_TYPE_PCI_BRIDGE) || + (pci_pcie_type(dev) == PCI_EXP_TYPE_PCIE_BRIDGE)) { + uncorrectable_mask = info.acpi_hest_aer_for_bridge->uncorrectable_mask; + uncorrectable_severity = info.acpi_hest_aer_for_bridge->uncorrectable_severity; + correctable_mask = info.acpi_hest_aer_for_bridge->correctable_mask; + advanced_capabilities = info.acpi_hest_aer_for_bridge->advanced_capabilities; + uncorrectable_mask2 = info.acpi_hest_aer_for_bridge->uncorrectable_mask2; + uncorrectable_severity2 = info.acpi_hest_aer_for_bridge->uncorrectable_severity2; + advanced_capabilities2 = info.acpi_hest_aer_for_bridge->advanced_capabilities2; + + pci_write_config_dword(dev, pos + PCI_ERR_UNCOR_MASK, uncorrectable_mask); + pci_write_config_dword(dev, pos + PCI_ERR_UNCOR_SEVER, uncorrectable_severity); + pci_write_config_dword(dev, pos + PCI_ERR_COR_MASK, correctable_mask); + pci_write_config_dword(dev, pos + PCI_ERR_CAP, advanced_capabilities); + pci_write_config_dword(dev, pos + PCI_ERR_UNCOR_MASK2, uncorrectable_mask2); + pci_write_config_dword(dev, pos + PCI_ERR_UNCOR_SEVER2, uncorrectable_severity2); + pci_write_config_dword(dev, pos + PCI_ERR_CAP2, advanced_capabilities2); + } +} + +int pci_acpi_program_hest_aer_params(struct pci_dev *dev) +{ + struct acpi_hest_parse_aer_info info = { + .pci_dev = dev, + .hest_matched_with_dev = 0, + .acpi_hest_aer_endpoint = NULL, + .acpi_hest_aer_root_port = NULL, + .acpi_hest_aer_for_bridge = NULL, + }; + + if (!pci_is_pcie(dev)) + return -ENODEV; + + apei_hest_parse(apei_hest_parse_aer, &info); + if (info.hest_matched_with_dev == 1) + program_aer_structure_to_aer_registers(info); + else + return -ENODEV; + return 0; +} + /** * pciehp_is_native - Check whether a hotplug port is handled by the OS * @bridge: Hotplug port to check diff --git a/drivers/pci/pci.h b/drivers/pci/pci.h index a4c3974340576..37aa4a33eeed2 100644 --- a/drivers/pci/pci.h +++ b/drivers/pci/pci.h @@ -713,6 +713,7 @@ void acpi_pci_refresh_power_state(struct pci_dev *dev); int acpi_pci_wakeup(struct pci_dev *dev, bool enable); bool acpi_pci_need_resume(struct pci_dev *dev); pci_power_t acpi_pci_choose_state(struct pci_dev *pdev); +int pci_acpi_program_hest_aer_params(struct pci_dev *dev); #else static inline int pci_dev_acpi_reset(struct pci_dev *dev, bool probe) { @@ -752,6 +753,10 @@ static inline pci_power_t acpi_pci_choose_state(struct pci_dev *pdev) { return PCI_POWER_ERROR; } +static inline int pci_acpi_program_hest_aer_params(struct pci_dev *dev) +{ + return -ENODEV; +} #endif #ifdef CONFIG_PCIEASPM From patchwork Tue Jul 4 12:06:18 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: LeoLiu-oc X-Patchwork-Id: 13301045 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id DA920EB64D9 for ; Tue, 4 Jul 2023 12:06:44 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230195AbjGDMGo (ORCPT ); Tue, 4 Jul 2023 08:06:44 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:57684 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231359AbjGDMGn (ORCPT ); Tue, 4 Jul 2023 08:06:43 -0400 Received: from mx1.zhaoxin.com (MX1.ZHAOXIN.COM [210.0.225.12]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 1D7AF1723 for ; Tue, 4 Jul 2023 05:06:24 -0700 (PDT) X-ASG-Debug-ID: 1688472381-086e23149914920001-I98ny2 Received: from ZXSHMBX1.zhaoxin.com (ZXSHMBX1.zhaoxin.com [10.28.252.163]) by mx1.zhaoxin.com with ESMTP id 55EaRqoPMr21gjIz (version=TLSv1.2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128 verify=NO); Tue, 04 Jul 2023 20:06:21 +0800 (CST) X-Barracuda-Envelope-From: LeoLiu-oc@zhaoxin.com X-Barracuda-RBL-Trusted-Forwarder: 10.28.252.163 Received: from ZXBJMBX03.zhaoxin.com (10.29.252.7) by ZXSHMBX1.zhaoxin.com (10.28.252.163) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2507.16; Tue, 4 Jul 2023 20:06:20 +0800 Received: from xin.lan (10.32.64.1) by ZXBJMBX03.zhaoxin.com (10.29.252.7) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2507.16; Tue, 4 Jul 2023 20:06:19 +0800 X-Barracuda-RBL-Trusted-Forwarder: 10.28.252.163 From: LeoLiu-oc X-Barracuda-RBL-Trusted-Forwarder: 10.29.252.7 To: , , , , , , , , , , Subject: [PATCH v3 5/5] PCI: Config PCIe devices's AER register Date: Tue, 4 Jul 2023 20:06:18 +0800 X-ASG-Orig-Subj: [PATCH v3 5/5] PCI: Config PCIe devices's AER register Message-ID: <20230704120618.1322425-1-LeoLiu-oc@zhaoxin.com> X-Mailer: git-send-email 2.34.1 MIME-Version: 1.0 X-Originating-IP: [10.32.64.1] X-ClientProxiedBy: zxbjmbx1.zhaoxin.com (10.29.252.163) To ZXBJMBX03.zhaoxin.com (10.29.252.7) X-Barracuda-Connect: ZXSHMBX1.zhaoxin.com[10.28.252.163] X-Barracuda-Start-Time: 1688472381 X-Barracuda-Encrypted: ECDHE-RSA-AES128-GCM-SHA256 X-Barracuda-URL: https://10.28.252.35:4443/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at zhaoxin.com X-Barracuda-Scan-Msg-Size: 793 X-Barracuda-BRTS-Status: 1 X-Barracuda-Bayes: INNOCENT GLOBAL 0.0000 1.0000 -2.0210 X-Barracuda-Spam-Score: -2.02 X-Barracuda-Spam-Status: No, SCORE=-2.02 using global scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=9.0 tests= X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.110906 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- Precedence: bulk List-ID: X-Mailing-List: linux-acpi@vger.kernel.org From: leoliu-oc Call the func pci_acpi_program_hest_aer_params() for every PCIe device. Extracting register values from HEST PCIe AER structures and programming them into AER Capabilities are implemented in this function. Signed-off-by: leoliu-oc --- drivers/pci/probe.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/pci/probe.c b/drivers/pci/probe.c index 8bac3ce02609c..8946d35fcc416 100644 --- a/drivers/pci/probe.c +++ b/drivers/pci/probe.c @@ -2274,6 +2274,7 @@ static void pci_configure_device(struct pci_dev *dev) pci_configure_serr(dev); pci_acpi_program_hp_params(dev); + pci_acpi_program_hest_aer_params(dev); } static void pci_release_capabilities(struct pci_dev *dev)