From patchwork Fri Aug 2 21:44:00 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Mauro Carvalho Chehab X-Patchwork-Id: 1968552 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@legolas.ozlabs.org Authentication-Results: legolas.ozlabs.org; dkim=pass (2048-bit key; unprotected) header.d=kernel.org header.i=@kernel.org header.a=rsa-sha256 header.s=k20201202 header.b=tNahGYBM; dkim-atps=neutral Authentication-Results: legolas.ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=nongnu.org (client-ip=209.51.188.17; helo=lists.gnu.org; envelope-from=qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org; receiver=patchwork.ozlabs.org) Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) (using TLSv1.2 with cipher ECDHE-ECDSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by legolas.ozlabs.org (Postfix) with ESMTPS id 4WbKBv2VvNz1yZl for ; Sat, 3 Aug 2024 07:45:43 +1000 (AEST) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1sa04r-0004k3-AS; Fri, 02 Aug 2024 17:44:46 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1sa04j-0004Pa-Jk; Fri, 02 Aug 2024 17:44:37 -0400 Received: from sin.source.kernel.org ([2604:1380:40e1:4800::1]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1sa04g-0001Aj-AE; Fri, 02 Aug 2024 17:44:37 -0400 Received: from smtp.kernel.org (transwarp.subspace.kernel.org [100.75.92.58]) by sin.source.kernel.org (Postfix) with ESMTP id 1F8FCCE1BC4; Fri, 2 Aug 2024 21:44:25 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id B4A50C32782; Fri, 2 Aug 2024 21:44:23 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1722635063; bh=GnUXlC1iZIgwbN3LEYc4i/jTC5ISOQaQxV76+UJ2Bvg=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=tNahGYBMQdlFaaKnXJnsNdhZ56yhScx/2bY+QMKd5CtFRUfGGb5HvUCDrDd/02+Kh YrW0C4boN/WszsbR7u5eHlHfwYji14eVdCf1i//6S5Y7gnhMEhKVMQm/HJjdiqOY3q dMI1TGbTzTNHan8vq1ARdY/fOYQN8y0HGNb52RMVj4oX9PVcqq270YsyodcnTCE8Cj eYvnFBc+SovP0U+cjMxBjZg+we330zqm2Cy/QUwDGdf3fOwBY5RpZCuV4hJ1BzJksp s9xMxP0V/NiV+OYBLgRvEHR5bips4ft4okDEvWd+NIlJsY7pu64QxNBUztYprEKBZu GvUwBvoNg+0uQ== Received: from mchehab by mail.kernel.org with local (Exim 4.98) (envelope-from ) id 1sa04T-00000002naT-35wP; Fri, 02 Aug 2024 23:44:21 +0200 From: Mauro Carvalho Chehab To: Cc: Jonathan Cameron , Shiju Jose , Mauro Carvalho Chehab , "Michael S. Tsirkin" , Ani Sinha , Dongjiu Geng , Eric Blake , Igor Mammedov , Markus Armbruster , Michael Roth , Paolo Bonzini , Peter Maydell , linux-kernel@vger.kernel.org, qemu-arm@nongnu.org, qemu-devel@nongnu.org Subject: [PATCH v5 5/7] qapi/ghes-cper: add an interface to do generic CPER error injection Date: Fri, 2 Aug 2024 23:44:00 +0200 Message-ID: <51cbdc8a53e58c69ee17b15c398feeeeeeb64f34.1722634602.git.mchehab+huawei@kernel.org> X-Mailer: git-send-email 2.45.2 In-Reply-To: References: MIME-Version: 1.0 Received-SPF: pass client-ip=2604:1380:40e1:4800::1; envelope-from=mchehab+huawei@kernel.org; helo=sin.source.kernel.org X-Spam_score_int: -44 X-Spam_score: -4.5 X-Spam_bar: ---- X-Spam_report: (-4.5 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.124, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_MED=-2.3, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org Sender: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org Creates a QMP command to be used for generic ACPI APEI hardware error injection (HEST) via GHESv2. The actual GHES code will be added at the followup patch. Signed-off-by: Mauro Carvalho Chehab --- MAINTAINERS | 7 +++++ hw/acpi/Kconfig | 5 ++++ hw/acpi/ghes_cper.c | 45 ++++++++++++++++++++++++++++++++ hw/acpi/ghes_cper_stub.c | 18 +++++++++++++ hw/acpi/meson.build | 2 ++ hw/arm/Kconfig | 5 ++++ include/hw/acpi/ghes.h | 7 +++++ qapi/ghes-cper.json | 55 ++++++++++++++++++++++++++++++++++++++++ qapi/meson.build | 1 + qapi/qapi-schema.json | 1 + 10 files changed, 146 insertions(+) create mode 100644 hw/acpi/ghes_cper.c create mode 100644 hw/acpi/ghes_cper_stub.c create mode 100644 qapi/ghes-cper.json diff --git a/MAINTAINERS b/MAINTAINERS index 98eddf7ae155..655edcb6688c 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -2075,6 +2075,13 @@ F: hw/acpi/ghes.c F: include/hw/acpi/ghes.h F: docs/specs/acpi_hest_ghes.rst +ACPI/HEST/GHES/ARM processor CPER +R: Mauro Carvalho Chehab +S: Maintained +F: hw/arm/ghes_cper.c +F: hw/acpi/ghes_cper_stub.c +F: qapi/ghes-cper.json + ppc4xx L: qemu-ppc@nongnu.org S: Orphan diff --git a/hw/acpi/Kconfig b/hw/acpi/Kconfig index e07d3204eb36..73ffbb82c150 100644 --- a/hw/acpi/Kconfig +++ b/hw/acpi/Kconfig @@ -51,6 +51,11 @@ config ACPI_APEI bool depends on ACPI +config GHES_CPER + bool + depends on ACPI_APEI + default y + config ACPI_PCI bool depends on ACPI && PCI diff --git a/hw/acpi/ghes_cper.c b/hw/acpi/ghes_cper.c new file mode 100644 index 000000000000..7aa7e71e90dc --- /dev/null +++ b/hw/acpi/ghes_cper.c @@ -0,0 +1,45 @@ +/* + * ARM Processor error injection + * + * Copyright(C) 2024 Huawei LTD. + * + * This code is licensed under the GPL version 2 or later. See the + * COPYING file in the top-level directory. + * + */ + +#include "qemu/osdep.h" + +#include "qemu/base64.h" +#include "qemu/error-report.h" +#include "qemu/uuid.h" +#include "qapi/qapi-commands-ghes-cper.h" +#include "hw/acpi/ghes.h" + +void qmp_ghes_cper(CommonPlatformErrorRecord *qmp_cper, + Error **errp) +{ + int rc; + AcpiGhesCper cper; + QemuUUID be_uuid, le_uuid; + + rc = qemu_uuid_parse(qmp_cper->notification_type, &be_uuid); + if (rc) { + error_setg(errp, "GHES: Invalid UUID: %s", + qmp_cper->notification_type); + return; + } + + le_uuid = qemu_uuid_bswap(be_uuid); + cper.guid = le_uuid.data; + + cper.data = qbase64_decode(qmp_cper->raw_data, -1, + &cper.data_len, errp); + if (!cper.data) { + return; + } + + /* TODO: call a function at ghes */ + + g_free(cper.data); +} diff --git a/hw/acpi/ghes_cper_stub.c b/hw/acpi/ghes_cper_stub.c new file mode 100644 index 000000000000..7ce6ed70a265 --- /dev/null +++ b/hw/acpi/ghes_cper_stub.c @@ -0,0 +1,18 @@ +/* + * ARM Processor error injection + * + * Copyright(C) 2024 Huawei LTD. + * + * This code is licensed under the GPL version 2 or later. See the + * COPYING file in the top-level directory. + * + */ + +#include "qemu/osdep.h" +#include "qapi/error.h" +#include "qapi/qapi-commands-ghes-cper.h" +#include "hw/acpi/ghes.h" + +void qmp_ghes_cper(CommonPlatformErrorRecord *cper, Error **errp) +{ +} diff --git a/hw/acpi/meson.build b/hw/acpi/meson.build index fa5c07db9068..6cbf430eb66d 100644 --- a/hw/acpi/meson.build +++ b/hw/acpi/meson.build @@ -34,4 +34,6 @@ endif system_ss.add(when: 'CONFIG_ACPI', if_false: files('acpi-stub.c', 'aml-build-stub.c', 'ghes-stub.c', 'acpi_interface.c')) system_ss.add(when: 'CONFIG_ACPI_PCI_BRIDGE', if_false: files('pci-bridge-stub.c')) system_ss.add_all(when: 'CONFIG_ACPI', if_true: acpi_ss) +system_ss.add(when: 'CONFIG_GHES_CPER', if_true: files('ghes_cper.c')) +system_ss.add(when: 'CONFIG_GHES_CPER', if_false: files('ghes_cper_stub.c')) system_ss.add(files('acpi-qmp-cmds.c')) diff --git a/hw/arm/Kconfig b/hw/arm/Kconfig index 1ad60da7aa2d..bed6ba27d715 100644 --- a/hw/arm/Kconfig +++ b/hw/arm/Kconfig @@ -712,3 +712,8 @@ config ARMSSE select UNIMP select SSE_COUNTER select SSE_TIMER + +config GHES_CPER + bool + depends on ARM + default y if AARCH64 diff --git a/include/hw/acpi/ghes.h b/include/hw/acpi/ghes.h index 33be1eb5acf4..06a5b8820cd5 100644 --- a/include/hw/acpi/ghes.h +++ b/include/hw/acpi/ghes.h @@ -23,6 +23,7 @@ #define ACPI_GHES_H #include "hw/acpi/bios-linker-loader.h" +#include "qapi/error.h" #include "qemu/notify.h" extern NotifierList generic_error_notifiers; @@ -78,6 +79,12 @@ void acpi_ghes_add_fw_cfg(AcpiGhesState *vms, FWCfgState *s, GArray *hardware_errors); int acpi_ghes_record_errors(uint8_t notify, uint64_t error_physical_addr); +typedef struct AcpiGhesCper { + uint8_t *guid; + uint8_t *data; + size_t data_len; +} AcpiGhesCper; + /** * acpi_ghes_present: Report whether ACPI GHES table is present * diff --git a/qapi/ghes-cper.json b/qapi/ghes-cper.json new file mode 100644 index 000000000000..3cc4f9f2aaa9 --- /dev/null +++ b/qapi/ghes-cper.json @@ -0,0 +1,55 @@ +# -*- Mode: Python -*- +# vim: filetype=python + +## +# = GHESv2 CPER Error Injection +# +# These are defined at +# ACPI 6.2: 18.3.2.8 Generic Hardware Error Source version 2 +# (GHESv2 - Type 10) +## + +## +# @CommonPlatformErrorRecord: +# +# Common Platform Error Record - CPER - as defined at the UEFI +# specification. See +# https://uefi.org/specs/UEFI/2.10/Apx_N_Common_Platform_Error_Record.html#record-header +# for more details. +# +# @notification-type: pre-assigned GUID string indicating the record +# association with an error event notification type, as defined +# at https://uefi.org/specs/UEFI/2.10/Apx_N_Common_Platform_Error_Record.html#record-header +# +# @raw-data: Contains a base64 encoded string with the payload of +# the CPER. +# +# Since: 9.2 +## +{ 'struct': 'CommonPlatformErrorRecord', + 'data': { + 'notification-type': 'str', + 'raw-data': 'str' + } +} + +## +# @ghes-cper: +# +# Inject ARM Processor error with data to be filled according with +# ACPI 6.2 GHESv2 spec. +# +# @cper: a single CPER record to be sent to the guest OS. +# +# Features: +# +# @unstable: This command is experimental. +# +# Since: 9.2 +## +{ 'command': 'ghes-cper', + 'data': { + 'cper': 'CommonPlatformErrorRecord' + }, + 'features': [ 'unstable' ] +} diff --git a/qapi/meson.build b/qapi/meson.build index e7bc54e5d047..bd13cd7d40c9 100644 --- a/qapi/meson.build +++ b/qapi/meson.build @@ -35,6 +35,7 @@ qapi_all_modules = [ 'dump', 'ebpf', 'error', + 'ghes-cper', 'introspect', 'job', 'machine-common', diff --git a/qapi/qapi-schema.json b/qapi/qapi-schema.json index b1581988e4eb..c1a267399fe5 100644 --- a/qapi/qapi-schema.json +++ b/qapi/qapi-schema.json @@ -75,6 +75,7 @@ { 'include': 'misc-target.json' } { 'include': 'audio.json' } { 'include': 'acpi.json' } +{ 'include': 'ghes-cper.json' } { 'include': 'pci.json' } { 'include': 'stats.json' } { 'include': 'virtio.json' }