From nobody Sun Nov 24 13:07:18 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 F05923D62 for ; Sun, 25 Aug 2024 03:47:01 +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=1724557622; cv=none; b=c5twGNRjSZpQDpKLxNpNUQi4y3HdLLMlZ4Pr74YN8P/mlzCUvBtb02O4HIdJ6KUlH+hIT8Zw5139bvgxRe3xbPlbi3jT4tW/yhG7zJd2Ff7AVA9873lExIy7qtwM/GnTP4k225bnuGcX22vYG6f0lIS/j9+PCeTHQXTmWjU3hLw= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1724557622; c=relaxed/simple; bh=aGgZP05dHTVqBEycXBwudUWO+ECqpPRNvdQZ1yff6Xg=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=gdLa0p72S1070NHEGZgws87Gt4BHeQC/M3OOgW4X2MpRraUaddJW3KXeiLYDlnw2DuoU+MVd90fhrCeXqhoXXdzlKIWTGCNdYfIrTdnLclVpf47O3RqdTRaZCVbf/W8ACRUnXS8kfIiOErH1+QAJnWgwHUKBMCYODHPG3dkn5po= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=XjA73ikG; 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="XjA73ikG" Received: by smtp.kernel.org (Postfix) with ESMTPSA id D12D2C32782; Sun, 25 Aug 2024 03:47:01 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1724557621; bh=aGgZP05dHTVqBEycXBwudUWO+ECqpPRNvdQZ1yff6Xg=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=XjA73ikGKgP1mrKJRCGahNzlOgxnhqRzllFBEDfx7NuUwPkv4t5kKAGQojsIfM5Vn wKmxe1ibU/QAnYaoLgOKpm9KIkTgtjr7hfkjc8D72c7NIqpZbjA5Er0gFVmKTNgECP Pp90PgP8Y2PNT3ws3VIYYLTZRAdIwqXFx87RTnqFf2LPVFOA6GHV1iIQA5iB2Gj9+I GLkTBFXneLPahVwho2zR+uw3keTWJnG9sQD/2Czy4pIE3AmuDBRjAD/O3BpWh0nUTn W/0Rs9dieiDFCyUN8efCHyuc9WgGZpurltxH98GN5MPZAVZmtYzZb11DcRbgm0VdPI FkH2GWqzHJH1w== Received: from mchehab by mail.kernel.org with local (Exim 4.98) (envelope-from ) id 1si4Ch-00000001RMm-2aZF; Sun, 25 Aug 2024 05:46:11 +0200 From: Mauro Carvalho Chehab To: Cc: Mauro Carvalho Chehab , "Michael S. Tsirkin" , Ani Sinha , Igor Mammedov , linux-kernel@vger.kernel.org, qemu-devel@nongnu.org, Jonathan Cameron Subject: [PATCH v9 06/12] acpi/generic_event_device: add an APEI error device Date: Sun, 25 Aug 2024 05:46:01 +0200 Message-ID: <9cde95f047ae12e64c3ba5f6833a2ac27d6f8e17.1724556967.git.mchehab+huawei@kernel.org> 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" Adds a generic error device to handle generic hardware error events as specified at ACPI 6.5 specification at 18.3.2.7.2: https://uefi.org/specs/ACPI/6.5/18_Platform_Error_Interfaces.html#event-not= ification-for-generic-error-sources using HID PNP0C33. The PNP0C33 device is used to report hardware errors to the guest via ACPI APEI Generic Hardware Error Source (GHES). Co-authored-by: Mauro Carvalho Chehab Co-authored-by: Jonathan Cameron Signed-off-by: Jonathan Cameron Signed-off-by: Mauro Carvalho Chehab Reviewed-by: Igor Mammedov --- hw/acpi/aml-build.c | 10 ++++++++++ hw/acpi/generic_event_device.c | 8 ++++++++ include/hw/acpi/acpi_dev_interface.h | 1 + include/hw/acpi/aml-build.h | 2 ++ include/hw/acpi/generic_event_device.h | 1 + 5 files changed, 22 insertions(+) diff --git a/hw/acpi/aml-build.c b/hw/acpi/aml-build.c index 6d4517cfbe3d..222a933a8760 100644 --- a/hw/acpi/aml-build.c +++ b/hw/acpi/aml-build.c @@ -2520,3 +2520,13 @@ Aml *aml_i2c_serial_bus_device(uint16_t address, con= st char *resource_source) =20 return var; } + +/* ACPI 5.0b: 18.3.2.6.2 Event Notification For Generic Error Sources */ +Aml *aml_error_device(void) +{ + Aml *dev =3D aml_device(ACPI_APEI_ERROR_DEVICE); + aml_append(dev, aml_name_decl("_HID", aml_string("PNP0C33"))); + aml_append(dev, aml_name_decl("_UID", aml_int(0))); + + return dev; +} diff --git a/hw/acpi/generic_event_device.c b/hw/acpi/generic_event_device.c index 15b4c3ebbf24..b4c83a089a02 100644 --- a/hw/acpi/generic_event_device.c +++ b/hw/acpi/generic_event_device.c @@ -26,6 +26,7 @@ static const uint32_t ged_supported_events[] =3D { ACPI_GED_PWR_DOWN_EVT, ACPI_GED_NVDIMM_HOTPLUG_EVT, ACPI_GED_CPU_HOTPLUG_EVT, + ACPI_GED_ERROR_EVT, }; =20 /* @@ -116,6 +117,11 @@ void build_ged_aml(Aml *table, const char *name, Hotpl= ugHandler *hotplug_dev, aml_notify(aml_name(ACPI_POWER_BUTTON_DEVICE), aml_int(0x80))); break; + case ACPI_GED_ERROR_EVT: + aml_append(if_ctx, + aml_notify(aml_name(ACPI_APEI_ERROR_DEVICE), + aml_int(0x80))); + break; case ACPI_GED_NVDIMM_HOTPLUG_EVT: aml_append(if_ctx, aml_notify(aml_name("\\_SB.NVDR"), @@ -295,6 +301,8 @@ static void acpi_ged_send_event(AcpiDeviceIf *adev, Acp= iEventStatusBits ev) sel =3D ACPI_GED_MEM_HOTPLUG_EVT; } else if (ev & ACPI_POWER_DOWN_STATUS) { sel =3D ACPI_GED_PWR_DOWN_EVT; + } else if (ev & ACPI_GENERIC_ERROR) { + sel =3D ACPI_GED_ERROR_EVT; } else if (ev & ACPI_NVDIMM_HOTPLUG_STATUS) { sel =3D ACPI_GED_NVDIMM_HOTPLUG_EVT; } else if (ev & ACPI_CPU_HOTPLUG_STATUS) { diff --git a/include/hw/acpi/acpi_dev_interface.h b/include/hw/acpi/acpi_de= v_interface.h index 68d9d15f50aa..8294f8f0ccca 100644 --- a/include/hw/acpi/acpi_dev_interface.h +++ b/include/hw/acpi/acpi_dev_interface.h @@ -13,6 +13,7 @@ typedef enum { ACPI_NVDIMM_HOTPLUG_STATUS =3D 16, ACPI_VMGENID_CHANGE_STATUS =3D 32, ACPI_POWER_DOWN_STATUS =3D 64, + ACPI_GENERIC_ERROR =3D 128, } AcpiEventStatusBits; =20 #define TYPE_ACPI_DEVICE_IF "acpi-device-interface" diff --git a/include/hw/acpi/aml-build.h b/include/hw/acpi/aml-build.h index a3784155cb33..44d1a6af0c69 100644 --- a/include/hw/acpi/aml-build.h +++ b/include/hw/acpi/aml-build.h @@ -252,6 +252,7 @@ struct CrsRangeSet { /* Consumer/Producer */ #define AML_SERIAL_BUS_FLAG_CONSUME_ONLY (1 << 1) =20 +#define ACPI_APEI_ERROR_DEVICE "GEDD" /** * init_aml_allocator: * @@ -382,6 +383,7 @@ Aml *aml_dma(AmlDmaType typ, AmlDmaBusMaster bm, AmlTra= nsferSize sz, uint8_t channel); Aml *aml_sleep(uint64_t msec); Aml *aml_i2c_serial_bus_device(uint16_t address, const char *resource_sour= ce); +Aml *aml_error_device(void); =20 /* Block AML object primitives */ Aml *aml_scope(const char *name_format, ...) G_GNUC_PRINTF(1, 2); diff --git a/include/hw/acpi/generic_event_device.h b/include/hw/acpi/gener= ic_event_device.h index 40af3550b56d..9ace8fe70328 100644 --- a/include/hw/acpi/generic_event_device.h +++ b/include/hw/acpi/generic_event_device.h @@ -98,6 +98,7 @@ OBJECT_DECLARE_SIMPLE_TYPE(AcpiGedState, ACPI_GED) #define ACPI_GED_PWR_DOWN_EVT 0x2 #define ACPI_GED_NVDIMM_HOTPLUG_EVT 0x4 #define ACPI_GED_CPU_HOTPLUG_EVT 0x8 +#define ACPI_GED_ERROR_EVT 0x10 =20 typedef struct GEDState { MemoryRegion evt; --=20 2.46.0