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Diffstat (limited to 'src/VBox/Devices/EFI/Firmware/MdeModulePkg/Include/Guid/SmmVariableCommon.h')
| -rw-r--r-- | src/VBox/Devices/EFI/Firmware/MdeModulePkg/Include/Guid/SmmVariableCommon.h | 150 |
1 files changed, 150 insertions, 0 deletions
diff --git a/src/VBox/Devices/EFI/Firmware/MdeModulePkg/Include/Guid/SmmVariableCommon.h b/src/VBox/Devices/EFI/Firmware/MdeModulePkg/Include/Guid/SmmVariableCommon.h new file mode 100644 index 00000000..c1942bad --- /dev/null +++ b/src/VBox/Devices/EFI/Firmware/MdeModulePkg/Include/Guid/SmmVariableCommon.h @@ -0,0 +1,150 @@ +/** @file + The file defined some common structures used for communicating between SMM variable module and SMM variable wrapper module. + +Copyright (c) 2011 - 2019, Intel Corporation. All rights reserved.<BR> +SPDX-License-Identifier: BSD-2-Clause-Patent + +**/ + +#ifndef _SMM_VARIABLE_COMMON_H_ +#define _SMM_VARIABLE_COMMON_H_ + +#include <Guid/VariableFormat.h> +#include <Protocol/VarCheck.h> + +#define EFI_SMM_VARIABLE_WRITE_GUID \ + { 0x93ba1826, 0xdffb, 0x45dd, { 0x82, 0xa7, 0xe7, 0xdc, 0xaa, 0x3b, 0xbd, 0xf3 } } + +extern EFI_GUID gSmmVariableWriteGuid; + +// +// This structure is used for SMM variable. the collected statistics data is saved in SMRAM. It can be got from +// SMI handler. The communication buffer should be: +// EFI_MM_COMMUNICATE_HEADER + SMM_VARIABLE_COMMUNICATE_HEADER + payload. +// +typedef struct { + UINTN Function; + EFI_STATUS ReturnStatus; + UINT8 Data[1]; +} SMM_VARIABLE_COMMUNICATE_HEADER; + +// +// The payload for this function is SMM_VARIABLE_COMMUNICATE_ACCESS_VARIABLE. +// +#define SMM_VARIABLE_FUNCTION_GET_VARIABLE 1 +// +// The payload for this function is SMM_VARIABLE_COMMUNICATE_GET_NEXT_VARIABLE_NAME. +// +#define SMM_VARIABLE_FUNCTION_GET_NEXT_VARIABLE_NAME 2 +// +// The payload for this function is SMM_VARIABLE_COMMUNICATE_ACCESS_VARIABLE. +// +#define SMM_VARIABLE_FUNCTION_SET_VARIABLE 3 +// +// The payload for this function is SMM_VARIABLE_COMMUNICATE_QUERY_VARIABLE_INFO. +// +#define SMM_VARIABLE_FUNCTION_QUERY_VARIABLE_INFO 4 +// +// It is a notify event, no extra payload for this function. +// +#define SMM_VARIABLE_FUNCTION_READY_TO_BOOT 5 +// +// It is a notify event, no extra payload for this function. +// +#define SMM_VARIABLE_FUNCTION_EXIT_BOOT_SERVICE 6 +// +// The payload for this function is VARIABLE_INFO_ENTRY. The GUID in EFI_MM_COMMUNICATE_HEADER +// is gEfiSmmVariableProtocolGuid. +// +#define SMM_VARIABLE_FUNCTION_GET_STATISTICS 7 +// +// The payload for this function is SMM_VARIABLE_COMMUNICATE_LOCK_VARIABLE +// +#define SMM_VARIABLE_FUNCTION_LOCK_VARIABLE 8 + +#define SMM_VARIABLE_FUNCTION_VAR_CHECK_VARIABLE_PROPERTY_SET 9 + +#define SMM_VARIABLE_FUNCTION_VAR_CHECK_VARIABLE_PROPERTY_GET 10 + +#define SMM_VARIABLE_FUNCTION_GET_PAYLOAD_SIZE 11 +// +// The payload for this function is SMM_VARIABLE_COMMUNICATE_RUNTIME_VARIABLE_CACHE_CONTEXT +// +#define SMM_VARIABLE_FUNCTION_INIT_RUNTIME_VARIABLE_CACHE_CONTEXT 12 + +#define SMM_VARIABLE_FUNCTION_SYNC_RUNTIME_CACHE 13 +// +// The payload for this function is SMM_VARIABLE_COMMUNICATE_GET_RUNTIME_CACHE_INFO +// +#define SMM_VARIABLE_FUNCTION_GET_RUNTIME_CACHE_INFO 14 + +/// +/// Size of SMM communicate header, without including the payload. +/// +#define SMM_COMMUNICATE_HEADER_SIZE (OFFSET_OF (EFI_MM_COMMUNICATE_HEADER, Data)) + +/// +/// Size of SMM variable communicate header, without including the payload. +/// +#define SMM_VARIABLE_COMMUNICATE_HEADER_SIZE (OFFSET_OF (SMM_VARIABLE_COMMUNICATE_HEADER, Data)) + +/// +/// This structure is used to communicate with SMI handler by SetVariable and GetVariable. +/// +typedef struct { + EFI_GUID Guid; + UINTN DataSize; + UINTN NameSize; + UINT32 Attributes; + CHAR16 Name[1]; +} SMM_VARIABLE_COMMUNICATE_ACCESS_VARIABLE; + +/// +/// This structure is used to communicate with SMI handler by GetNextVariableName. +/// +typedef struct { + EFI_GUID Guid; + UINTN NameSize; // Return name buffer size + CHAR16 Name[1]; +} SMM_VARIABLE_COMMUNICATE_GET_NEXT_VARIABLE_NAME; + +/// +/// This structure is used to communicate with SMI handler by QueryVariableInfo. +/// +typedef struct { + UINT64 MaximumVariableStorageSize; + UINT64 RemainingVariableStorageSize; + UINT64 MaximumVariableSize; + UINT32 Attributes; +} SMM_VARIABLE_COMMUNICATE_QUERY_VARIABLE_INFO; + +typedef SMM_VARIABLE_COMMUNICATE_GET_NEXT_VARIABLE_NAME SMM_VARIABLE_COMMUNICATE_LOCK_VARIABLE; + +typedef struct { + EFI_GUID Guid; + UINTN NameSize; + VAR_CHECK_VARIABLE_PROPERTY VariableProperty; + CHAR16 Name[1]; +} SMM_VARIABLE_COMMUNICATE_VAR_CHECK_VARIABLE_PROPERTY; + +typedef struct { + UINTN VariablePayloadSize; +} SMM_VARIABLE_COMMUNICATE_GET_PAYLOAD_SIZE; + +typedef struct { + BOOLEAN *ReadLock; + BOOLEAN *PendingUpdate; + BOOLEAN *HobFlushComplete; + VARIABLE_STORE_HEADER *RuntimeHobCache; + VARIABLE_STORE_HEADER *RuntimeNvCache; + VARIABLE_STORE_HEADER *RuntimeVolatileCache; +} SMM_VARIABLE_COMMUNICATE_RUNTIME_VARIABLE_CACHE_CONTEXT; + +typedef struct { + UINTN TotalHobStorageSize; + UINTN TotalNvStorageSize; + UINTN TotalVolatileStorageSize; + BOOLEAN AuthenticatedVariableUsage; +} SMM_VARIABLE_COMMUNICATE_GET_RUNTIME_CACHE_INFO; + +#endif // _SMM_VARIABLE_COMMON_H_ |