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Tsirkin" Cc: Jonathan Cameron , Shiju Jose , qemu-arm@nongnu.org, qemu-devel@nongnu.org, Mauro Carvalho Chehab , Ani Sinha , Peter Maydell , Shannon Zhao , linux-kernel@vger.kernel.org Subject: [PATCH v3 11/14] arm/virt: Wire up a GED error device for ACPI / GHES Date: Fri, 31 Jan 2025 18:42:52 +0100 Message-ID: <9811005112f9e9446258e7c4922fbf4bc473224a.1738345063.git.mchehab+huawei@kernel.org> X-Mailer: git-send-email 2.48.1 In-Reply-To: References: MIME-Version: 1.0 Received-SPF: pass client-ip=147.75.193.91; envelope-from=mchehab+huawei@kernel.org; helo=nyc.source.kernel.org X-Spam_score_int: -56 X-Spam_score: -5.7 X-Spam_bar: ----- X-Spam_report: (-5.7 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-1.3, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_MED=-2.3, RCVD_IN_VALIDITY_RPBL_BLOCKED=0.001, RCVD_IN_VALIDITY_SAFE_BLOCKED=0.001, 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+qemu-devel=archiver.kernel.org@nongnu.org Sender: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Adds support to ARM virtualization to allow handling generic error ACPI Event via GED & error source device. It is aligned with Linux Kernel patch: https://lore.kernel.org/lkml/1272350481-27951-8-git-send-email-ying.huang@intel.com/ Co-authored-by: Mauro Carvalho Chehab Co-authored-by: Jonathan Cameron Signed-off-by: Jonathan Cameron Signed-off-by: Mauro Carvalho Chehab Acked-by: Igor Mammedov --- Changes from v8: - Added a call to the function that produces GHES generic records, as this is now added earlier in this series. Signed-off-by: Mauro Carvalho Chehab --- hw/acpi/generic_event_device.c | 2 +- hw/arm/virt-acpi-build.c | 1 + hw/arm/virt.c | 12 +++++++++++- include/hw/arm/virt.h | 1 + 4 files changed, 14 insertions(+), 2 deletions(-) diff --git a/hw/acpi/generic_event_device.c b/hw/acpi/generic_event_device.c index 180eebbce1cd..f5e899155d34 100644 --- a/hw/acpi/generic_event_device.c +++ b/hw/acpi/generic_event_device.c @@ -331,7 +331,7 @@ static void acpi_ged_send_event(AcpiDeviceIf *adev, AcpiEventStatusBits ev) static const Property acpi_ged_properties[] = { DEFINE_PROP_UINT32("ged-event", AcpiGedState, ged_event_bitmap, 0), - DEFINE_PROP_BOOL("x-has-hest-addr", AcpiGedState, ghes_state.use_hest_addr, false), + DEFINE_PROP_BOOL("x-has-hest-addr", AcpiGedState, ghes_state.use_hest_addr, true), }; static const VMStateDescription vmstate_memhp_state = { diff --git a/hw/arm/virt-acpi-build.c b/hw/arm/virt-acpi-build.c index 9de51105a513..4f174795ed60 100644 --- a/hw/arm/virt-acpi-build.c +++ b/hw/arm/virt-acpi-build.c @@ -861,6 +861,7 @@ build_dsdt(GArray *table_data, BIOSLinker *linker, VirtMachineState *vms) } acpi_dsdt_add_power_button(scope); + aml_append(scope, aml_error_device()); #ifdef CONFIG_TPM acpi_dsdt_add_tpm(scope, vms); #endif diff --git a/hw/arm/virt.c b/hw/arm/virt.c index 99e0a68b6c55..e272b35ea114 100644 --- a/hw/arm/virt.c +++ b/hw/arm/virt.c @@ -678,7 +678,7 @@ static inline DeviceState *create_acpi_ged(VirtMachineState *vms) DeviceState *dev; MachineState *ms = MACHINE(vms); int irq = vms->irqmap[VIRT_ACPI_GED]; - uint32_t event = ACPI_GED_PWR_DOWN_EVT; + uint32_t event = ACPI_GED_PWR_DOWN_EVT | ACPI_GED_ERROR_EVT; if (ms->ram_slots) { event |= ACPI_GED_MEM_HOTPLUG_EVT; @@ -1010,6 +1010,13 @@ static void virt_powerdown_req(Notifier *n, void *opaque) } } +static void virt_generic_error_req(Notifier *n, void *opaque) +{ + VirtMachineState *s = container_of(n, VirtMachineState, generic_error_notifier); + + acpi_send_event(s->acpi_dev, ACPI_GENERIC_ERROR); +} + static void create_gpio_keys(char *fdt, DeviceState *pl061_dev, uint32_t phandle) { @@ -2404,6 +2411,9 @@ static void machvirt_init(MachineState *machine) if (has_ged && aarch64 && firmware_loaded && virt_is_acpi_enabled(vms)) { vms->acpi_dev = create_acpi_ged(vms); + vms->generic_error_notifier.notify = virt_generic_error_req; + notifier_list_add(&acpi_generic_error_notifiers, + &vms->generic_error_notifier); } else { create_gpio_devices(vms, VIRT_GPIO, sysmem); } diff --git a/include/hw/arm/virt.h b/include/hw/arm/virt.h index c8e94e6aedc9..f3cf28436770 100644 --- a/include/hw/arm/virt.h +++ b/include/hw/arm/virt.h @@ -176,6 +176,7 @@ struct VirtMachineState { DeviceState *gic; DeviceState *acpi_dev; Notifier powerdown_notifier; + Notifier generic_error_notifier; PCIBus *bus; char *oem_id; char *oem_table_id;