diff options
Diffstat (limited to 'drivers/firmware/efi/runtime-wrappers.c')
| -rw-r--r-- | drivers/firmware/efi/runtime-wrappers.c | 31 |
1 files changed, 31 insertions, 0 deletions
diff --git a/drivers/firmware/efi/runtime-wrappers.c b/drivers/firmware/efi/runtime-wrappers.c index afe9248cc5bc..e89484af9740 100644 --- a/drivers/firmware/efi/runtime-wrappers.c +++ b/drivers/firmware/efi/runtime-wrappers.c @@ -108,6 +108,12 @@ union efi_rts_args { u64 *max_size; int *reset_type; } QUERY_CAPSULE_CAPS; + + struct { + efi_status_t (__efiapi *acpi_prm_handler)(u64, void *); + u64 param_buffer_addr; + void *context; + } ACPI_PRM_HANDLER; }; struct efi_runtime_work efi_rts_work; @@ -283,6 +289,13 @@ static void efi_call_rts(struct work_struct *work) args->QUERY_CAPSULE_CAPS.max_size, args->QUERY_CAPSULE_CAPS.reset_type); break; + case EFI_ACPI_PRM_HANDLER: +#ifdef CONFIG_ACPI_PRMT + status = arch_efi_call_virt(args, ACPI_PRM_HANDLER.acpi_prm_handler, + args->ACPI_PRM_HANDLER.param_buffer_addr, + args->ACPI_PRM_HANDLER.context); + break; +#endif default: /* * Ideally, we should never reach here because a caller of this @@ -560,3 +573,21 @@ void efi_native_runtime_setup(void) efi.update_capsule = virt_efi_update_capsule; efi.query_capsule_caps = virt_efi_query_capsule_caps; } + +#ifdef CONFIG_ACPI_PRMT + +efi_status_t +efi_call_acpi_prm_handler(efi_status_t (__efiapi *handler_addr)(u64, void *), + u64 param_buffer_addr, void *context) +{ + efi_status_t status; + + if (down_interruptible(&efi_runtime_lock)) + return EFI_ABORTED; + status = efi_queue_work(ACPI_PRM_HANDLER, handler_addr, + param_buffer_addr, context); + up(&efi_runtime_lock); + return status; +} + +#endif |