| Message ID | 897c1eb4fcec527891301c9243ac8ce84a182187.1738137123.git.mchehab+huawei@kernel.org (mailing list archive) |
|---|---|
| State | New |
| Headers | show |
| Series | [v2,01/13] acpi/ghes: Prepare to support multiple sources on ghes | expand |
On Wed, 29 Jan 2025 09:04:15 +0100 Mauro Carvalho Chehab <mchehab+huawei@kernel.org> wrote: > 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-notification-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 <mchehab+huawei@kernel.org> > Co-authored-by: Jonathan Cameron <Jonathan.Cameron@huawei.com> > Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com> > Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org> > Reviewed-by: Igor Mammedov <imammedo@redhat.com> > --- > hw/acpi/aml-build.c | 10 ++++++++++ > hw/acpi/generic_event_device.c | 14 ++++++++++++++ > 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, 28 insertions(+) > > diff --git a/hw/acpi/aml-build.c b/hw/acpi/aml-build.c > index f8f93a9f66c8..e4bd7b611372 100644 > --- a/hw/acpi/aml-build.c > +++ b/hw/acpi/aml-build.c > @@ -2614,3 +2614,13 @@ Aml *aml_i2c_serial_bus_device(uint16_t address, const char *resource_source) > > return var; > } > + > +/* ACPI 5.0b: 18.3.2.6.2 Event Notification For Generic Error Sources */ > +Aml *aml_error_device(void) > +{ > + Aml *dev = 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 70729b6238a5..50313ed7ee96 100644 > --- a/hw/acpi/generic_event_device.c > +++ b/hw/acpi/generic_event_device.c > @@ -26,8 +26,15 @@ static const uint32_t ged_supported_events[] = { > ACPI_GED_PWR_DOWN_EVT, > ACPI_GED_NVDIMM_HOTPLUG_EVT, > ACPI_GED_CPU_HOTPLUG_EVT, > + ACPI_GED_ERROR_EVT, > }; > > +/* > + * ACPI 5.0b: 5.6.6 Device Object Notifications > + * Table 5-135 Error Device Notification Values > + */ > +#define ERROR_DEVICE_NOTIFICATION 0x80 drop 1-off macro as Michael suggested, and move value/comment into the place where it's used > + > /* > * The ACPI Generic Event Device (GED) is a hardware-reduced specific > * device[ACPI v6.1 Section 5.6.9] that handles all platform events, > @@ -116,6 +123,11 @@ void build_ged_aml(Aml *table, const char *name, HotplugHandler *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(ERROR_DEVICE_NOTIFICATION))); > + break; > case ACPI_GED_NVDIMM_HOTPLUG_EVT: > aml_append(if_ctx, > aml_notify(aml_name("\\_SB.NVDR"), > @@ -295,6 +307,8 @@ static void acpi_ged_send_event(AcpiDeviceIf *adev, AcpiEventStatusBits ev) > sel = ACPI_GED_MEM_HOTPLUG_EVT; > } else if (ev & ACPI_POWER_DOWN_STATUS) { > sel = ACPI_GED_PWR_DOWN_EVT; > + } else if (ev & ACPI_GENERIC_ERROR) { > + sel = ACPI_GED_ERROR_EVT; > } else if (ev & ACPI_NVDIMM_HOTPLUG_STATUS) { > sel = 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_dev_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 = 16, > ACPI_VMGENID_CHANGE_STATUS = 32, > ACPI_POWER_DOWN_STATUS = 64, > + ACPI_GENERIC_ERROR = 128, > } AcpiEventStatusBits; > > #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 c18f68134246..f38e12971932 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) > > +#define ACPI_APEI_ERROR_DEVICE "GEDD" > /** > * init_aml_allocator: > * > @@ -382,6 +383,7 @@ Aml *aml_dma(AmlDmaType typ, AmlDmaBusMaster bm, AmlTransferSize sz, > uint8_t channel); > Aml *aml_sleep(uint64_t msec); > Aml *aml_i2c_serial_bus_device(uint16_t address, const char *resource_source); > +Aml *aml_error_device(void); > > /* 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/generic_event_device.h > index d2dac87b4a9f..1c18ac296fcb 100644 > --- a/include/hw/acpi/generic_event_device.h > +++ b/include/hw/acpi/generic_event_device.h > @@ -101,6 +101,7 @@ 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 > > typedef struct GEDState { > MemoryRegion evt;
diff --git a/hw/acpi/aml-build.c b/hw/acpi/aml-build.c index f8f93a9f66c8..e4bd7b611372 100644 --- a/hw/acpi/aml-build.c +++ b/hw/acpi/aml-build.c @@ -2614,3 +2614,13 @@ Aml *aml_i2c_serial_bus_device(uint16_t address, const char *resource_source) return var; } + +/* ACPI 5.0b: 18.3.2.6.2 Event Notification For Generic Error Sources */ +Aml *aml_error_device(void) +{ + Aml *dev = 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 70729b6238a5..50313ed7ee96 100644 --- a/hw/acpi/generic_event_device.c +++ b/hw/acpi/generic_event_device.c @@ -26,8 +26,15 @@ static const uint32_t ged_supported_events[] = { ACPI_GED_PWR_DOWN_EVT, ACPI_GED_NVDIMM_HOTPLUG_EVT, ACPI_GED_CPU_HOTPLUG_EVT, + ACPI_GED_ERROR_EVT, }; +/* + * ACPI 5.0b: 5.6.6 Device Object Notifications + * Table 5-135 Error Device Notification Values + */ +#define ERROR_DEVICE_NOTIFICATION 0x80 + /* * The ACPI Generic Event Device (GED) is a hardware-reduced specific * device[ACPI v6.1 Section 5.6.9] that handles all platform events, @@ -116,6 +123,11 @@ void build_ged_aml(Aml *table, const char *name, HotplugHandler *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(ERROR_DEVICE_NOTIFICATION))); + break; case ACPI_GED_NVDIMM_HOTPLUG_EVT: aml_append(if_ctx, aml_notify(aml_name("\\_SB.NVDR"), @@ -295,6 +307,8 @@ static void acpi_ged_send_event(AcpiDeviceIf *adev, AcpiEventStatusBits ev) sel = ACPI_GED_MEM_HOTPLUG_EVT; } else if (ev & ACPI_POWER_DOWN_STATUS) { sel = ACPI_GED_PWR_DOWN_EVT; + } else if (ev & ACPI_GENERIC_ERROR) { + sel = ACPI_GED_ERROR_EVT; } else if (ev & ACPI_NVDIMM_HOTPLUG_STATUS) { sel = 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_dev_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 = 16, ACPI_VMGENID_CHANGE_STATUS = 32, ACPI_POWER_DOWN_STATUS = 64, + ACPI_GENERIC_ERROR = 128, } AcpiEventStatusBits; #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 c18f68134246..f38e12971932 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) +#define ACPI_APEI_ERROR_DEVICE "GEDD" /** * init_aml_allocator: * @@ -382,6 +383,7 @@ Aml *aml_dma(AmlDmaType typ, AmlDmaBusMaster bm, AmlTransferSize sz, uint8_t channel); Aml *aml_sleep(uint64_t msec); Aml *aml_i2c_serial_bus_device(uint16_t address, const char *resource_source); +Aml *aml_error_device(void); /* 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/generic_event_device.h index d2dac87b4a9f..1c18ac296fcb 100644 --- a/include/hw/acpi/generic_event_device.h +++ b/include/hw/acpi/generic_event_device.h @@ -101,6 +101,7 @@ 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 typedef struct GEDState { MemoryRegion evt;