From nobody Sun Nov 24 11:03:10 2024 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 1C6FE1386C9 for ; Fri, 16 Aug 2024 07:37:53 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1723793874; cv=none; b=pMvpPpXX+Zaromiip/SE/4VXP9SMlpaP5yNGp1t+Q7XpOAC2kXlqsETwJY9EvByEwk3rqW8tYFeMfCtEhGVSGhv88ovWMEOA2CvPVRrnU0OScuDf7qYWCRwRfoMu6DtN1GpANaD5qent0boKu47N1NT4auJfrQCP2jGulEteOnY= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1723793874; c=relaxed/simple; bh=3cYjdqh72I0rkHpnXfZu4oYXXcaaYATYUr29BIY2RJU=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=imt6jVMIXNVKVx7OHoJKnqsOkSpUXtOxbYbpZMGR8DgYLMOCbce+ce3zFmaHwEz+qdBRrzE2MFWBpD4sYSYSDme1VZPJkXof24VHig6neLf3BlmgWRYgMa+faiSZQA7OiZztuFuRxgpTyBtICuBzZTcIPdTk1pS8vbfA3dzDJUI= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=qW4y6Zc/; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="qW4y6Zc/" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 5EF6DC32782; Fri, 16 Aug 2024 07:37:53 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1723793873; bh=3cYjdqh72I0rkHpnXfZu4oYXXcaaYATYUr29BIY2RJU=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=qW4y6Zc/S9sfNYQd3rLyXi7ZQDGCe8drrmNz4PYOY1/ZR+dU6et9hpBuO6ilPZ+k4 zaJC6I0yFr+14bpCFJYGvcn9T2+8M8YXW5nqDfrrGofDHUPg3tTTY2wozd3VaU7yJU ujwBkhHcIDG7WDbZHoOLEBDEcLq3myA4Pscyv5J2uobvK7+CtRV4lLZCh0V9lPoUQa uKbvdbh9hXEB7mIYCWaRLLzsOnlzM1JnnOrJ/qSJ4ZKAZ64uFsK2PVqoVX8umC/cdq 6/dBInIRo1sLWmDdkPitqaUvjd+oVYilzl91nskLfaD6TlHlie1FpoKls6Z7cJ0lEH YTklhJJEzuSvA== Received: from mchehab by mail.kernel.org with local (Exim 4.98) (envelope-from ) id 1serWx-000000055eX-291s; Fri, 16 Aug 2024 09:37:51 +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 v8 04/13] qapi/acpi-hest: add an interface to do generic CPER error injection Date: Fri, 16 Aug 2024 09:37:36 +0200 Message-ID: X-Mailer: git-send-email 2.46.0 In-Reply-To: References: Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Sender: Mauro Carvalho Chehab Content-Type: text/plain; charset="utf-8" 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 Signed-off-by: Shiju Jose Reviewed-by: Jonathan Cameron --- MAINTAINERS | 7 +++++++ hw/acpi/Kconfig | 5 +++++ hw/acpi/ghes_cper.c | 33 +++++++++++++++++++++++++++++++++ hw/acpi/ghes_cper_stub.c | 19 +++++++++++++++++++ hw/acpi/meson.build | 2 ++ hw/arm/Kconfig | 5 +++++ include/hw/acpi/ghes.h | 3 +++ qapi/acpi-hest.json | 36 ++++++++++++++++++++++++++++++++++++ qapi/meson.build | 1 + qapi/qapi-schema.json | 1 + 10 files changed, 112 insertions(+) create mode 100644 hw/acpi/ghes_cper.c create mode 100644 hw/acpi/ghes_cper_stub.c create mode 100644 qapi/acpi-hest.json diff --git a/MAINTAINERS b/MAINTAINERS index 3584d6a6c6da..1d8091818899 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -2077,6 +2077,13 @@ F: hw/acpi/ghes.c F: include/hw/acpi/ghes.h F: docs/specs/acpi_hest_ghes.rst =20 +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/acpi-hest.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 =20 +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..92ca84d738de --- /dev/null +++ b/hw/acpi/ghes_cper.c @@ -0,0 +1,33 @@ +/* + * CPER payload parser for 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-acpi-hest.h" +#include "hw/acpi/ghes.h" + +void qmp_ghes_cper(const char *qmp_cper, + Error **errp) +{ + + uint8_t *cper; + size_t len; + + cper =3D qbase64_decode(qmp_cper, -1, &len, errp); + if (!cper) { + error_setg(errp, "missing GHES CPER payload"); + return; + } + + /* TODO: call a function at ghes */ +} diff --git a/hw/acpi/ghes_cper_stub.c b/hw/acpi/ghes_cper_stub.c new file mode 100644 index 000000000000..36138c462ac9 --- /dev/null +++ b/hw/acpi/ghes_cper_stub.c @@ -0,0 +1,19 @@ +/* + * Stub interface for CPER payload parser for 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-acpi-hest.h" +#include "hw/acpi/ghes.h" + +void qmp_ghes_cper(const char *cper, Error **errp) +{ + error_setg(errp, "GHES QMP error inject is not compiled in"); +} 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-bui= ld-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 419a97d5cbd9..b977d65564ba 100644 --- a/include/hw/acpi/ghes.h +++ b/include/hw/acpi/ghes.h @@ -23,6 +23,7 @@ #define ACPI_GHES_H =20 #include "hw/acpi/bios-linker-loader.h" +#include "qapi/error.h" #include "qemu/notify.h" =20 extern NotifierList acpi_generic_error_notifiers; @@ -77,6 +78,8 @@ void acpi_build_hest(GArray *table_data, BIOSLinker *link= er, 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); +void ghes_record_cper_errors(const void *cper, size_t len, + enum AcpiGhesNotifyType notify, Error **errp); =20 /** * acpi_ghes_present: Report whether ACPI GHES table is present diff --git a/qapi/acpi-hest.json b/qapi/acpi-hest.json new file mode 100644 index 000000000000..91296755d285 --- /dev/null +++ b/qapi/acpi-hest.json @@ -0,0 +1,36 @@ +# -*- Mode: Python -*- +# vim: filetype=3Dpython + +## +# =3D GHESv2 CPER Error Injection +# +# Defined since ACPI Specification 6.2, +# section 18.3.2.8 Generic Hardware Error Source version 2. See: +# +# https://uefi.org/specs/ACPI/6.5/18_Platform_Error_Interfaces.html#generi= c-hardware-error-source-version-2-ghesv2-type-10 +## + + +## +# @ghes-cper: +# +# Inject a CPER error data to be filled according to ACPI 6.2 +# spec via GHESv2. +# +# @cper: contains a base64 encoded string with raw data for a single CPER +# record with Generic Error Status Block, Generic Error Data Entry and +# generic error data payload, as described at +# https://uefi.org/specs/UEFI/2.10/Apx_N_Common_Platform_Error_Record.= html#format +# +# Features: +# +# @unstable: This command is experimental. +# +# Since: 9.2 +## +{ 'command': 'ghes-cper', + 'data': { + 'cper': 'str' + }, + 'features': [ 'unstable' ] +} diff --git a/qapi/meson.build b/qapi/meson.build index e7bc54e5d047..35cea6147262 100644 --- a/qapi/meson.build +++ b/qapi/meson.build @@ -59,6 +59,7 @@ qapi_all_modules =3D [ if have_system qapi_all_modules +=3D [ 'acpi', + 'acpi-hest', 'audio', 'cryptodev', 'qdev', diff --git a/qapi/qapi-schema.json b/qapi/qapi-schema.json index b1581988e4eb..baf19ab73afe 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': 'acpi-hest.json' } { 'include': 'pci.json' } { 'include': 'stats.json' } { 'include': 'virtio.json' } --=20 2.46.0