Adds support to ARM virtualization to allow handling a General Purpose Event (GPE) via GED error device.
It is aligned with Linux Kernel patch: https://lore.kernel.org/lkml/1272350481-27951-8-git-send-email-ying.hu...@intel.com/ Co-authored-by: Mauro Carvalho Chehab <mchehab+hua...@kernel.org> Co-authored-by: Jonathan Cameron <jonathan.came...@huawei.com> Cc: Jonathan Cameron <jonathan.came...@huawei.com> Signed-off-by: Mauro Carvalho Chehab <mchehab+hua...@kernel.org> --- hw/acpi/ghes.c | 3 +++ hw/arm/virt-acpi-build.c | 1 + hw/arm/virt.c | 16 +++++++++++++++- include/hw/acpi/ghes.h | 3 +++ include/hw/arm/virt.h | 1 + 5 files changed, 23 insertions(+), 1 deletion(-) diff --git a/hw/acpi/ghes.c b/hw/acpi/ghes.c index e9511d9b8f71..8d0262e6c1aa 100644 --- a/hw/acpi/ghes.c +++ b/hw/acpi/ghes.c @@ -444,6 +444,9 @@ int acpi_ghes_record_errors(uint8_t source_id, uint64_t physical_address) return ret; } +NotifierList generic_error_notifiers = + NOTIFIER_LIST_INITIALIZER(error_device_notifiers); + bool acpi_ghes_present(void) { AcpiGedState *acpi_ged_state; diff --git a/hw/arm/virt-acpi-build.c b/hw/arm/virt-acpi-build.c index f76fb117adff..f8bbe3e7a0b8 100644 --- a/hw/arm/virt-acpi-build.c +++ b/hw/arm/virt-acpi-build.c @@ -858,6 +858,7 @@ build_dsdt(GArray *table_data, BIOSLinker *linker, VirtMachineState *vms) } acpi_dsdt_add_power_button(scope); + acpi_dsdt_add_error_device(scope); #ifdef CONFIG_TPM acpi_dsdt_add_tpm(scope, vms); #endif diff --git a/hw/arm/virt.c b/hw/arm/virt.c index 687fe0bb8bc9..8b315328154f 100644 --- a/hw/arm/virt.c +++ b/hw/arm/virt.c @@ -73,6 +73,7 @@ #include "standard-headers/linux/input.h" #include "hw/arm/smmuv3.h" #include "hw/acpi/acpi.h" +#include "hw/acpi/ghes.h" #include "target/arm/cpu-qom.h" #include "target/arm/internals.h" #include "target/arm/multiprocessing.h" @@ -677,7 +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; @@ -1009,6 +1010,15 @@ 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); + + if (s->acpi_dev) { + acpi_send_event(s->acpi_dev, ACPI_GENERIC_ERROR); + } +} + static void create_gpio_keys(char *fdt, DeviceState *pl061_dev, uint32_t phandle) { @@ -2397,6 +2407,10 @@ static void machvirt_init(MachineState *machine) vms->powerdown_notifier.notify = virt_powerdown_req; qemu_register_powerdown_notifier(&vms->powerdown_notifier); + vms->generic_error_notifier.notify = virt_generic_error_req; + notifier_list_add(&generic_error_notifiers, + &vms->generic_error_notifier); + /* Create mmio transports, so the user can create virtio backends * (which will be automatically plugged in to the transports). If * no backend is created the transport will just sit harmlessly idle. diff --git a/include/hw/acpi/ghes.h b/include/hw/acpi/ghes.h index 674f6958e905..6891eafff5ab 100644 --- a/include/hw/acpi/ghes.h +++ b/include/hw/acpi/ghes.h @@ -23,6 +23,9 @@ #define ACPI_GHES_H #include "hw/acpi/bios-linker-loader.h" +#include "qemu/notify.h" + +extern NotifierList generic_error_notifiers; /* * Values for Hardware Error Notification Type field diff --git a/include/hw/arm/virt.h b/include/hw/arm/virt.h index a4d937ed45ac..ad9f6e94dcc5 100644 --- a/include/hw/arm/virt.h +++ b/include/hw/arm/virt.h @@ -175,6 +175,7 @@ struct VirtMachineState { DeviceState *gic; DeviceState *acpi_dev; Notifier powerdown_notifier; + Notifier generic_error_notifier; PCIBus *bus; char *oem_id; char *oem_table_id; -- 2.45.2
