#ifndef EFI_RUNTIME_SERVICES_H
#define EFI_RUNTIME_SERVICES_H

#include "efi_types.h"

#define EFI_RUNTIME_SERVICES_SIGNATURE 0x56524553544e5552
#define EFI_RUNTIME_SERVICES_REVISION EFI_SPECIFICATION_VERSION

#define EFI_VARIABLE_NON_VOLATILE 0x00000001
#define EFI_VARIABLE_BOOTSERVICE_ACCESS 0x00000002
#define EFI_VARIABLE_RUNTIME_ACCESS 0x00000004
#define EFI_VARIABLE_HARDWARE_ERROR_RECORD 0x00000008
// NOTE: EFI_VARIABLE_AUTHENTICATED_WRITE_ACCESS is deprecated
// and should be considered reserved.
#define EFI_VARIABLE_AUTHENTICATED_WRITE_ACCESS 0x00000010
#define EFI_VARIABLE_TIME_BASED_AUTHENTICATED_WRITE_ACCESS 0x00000020
#define EFI_VARIABLE_APPEND_WRITE 0x00000040
#define EFI_VARIABLE_ENHANCED_AUTHENTICATED_ACCESS 0x00000080

#define EFI_VARIABLE_AUTHENTICATION_3_CERT_ID_SHA256 1
#define EFI_VARIABLE_AUTHENTICATION_3_TIMESTAMP_TYPE 1
#define EFI_VARIABLE_AUTHENTICATION_3_NONCE_TYPE 2

#define EFI_HARDWARE_ERROR_VARIABLE {0x414e6Bdd,0xe47b,0x47cc, {0xb2,0x44,0xbb,0x61,0x02,0x0c,0xf5,0x16}}

#define EFI_TIME_ADJUST_DAYLIGHT 0x01
#define EFI_TIME_IN_DAYLIGHT 0x02
#define EFI_UNSPECIFIED_TIMEZONE 0x07FF

#define EFI_OPTIONAL_PTR 0x00000001

#define CAPSULE_FLAGS_PERSIST_ACROSS_RESET 0x00010000
#define CAPSULE_FLAGS_POPULATE_SYSTEM_TABLE 0x00020000
#define CAPSULE_FLAGS_INITIATE_RESET 0x00040000

#define EFI_MEMORY_RANGE_CAPSULE_GUID {0xde9f0ec,0x88b6,0x428f, {0x97,0x7a,0x25,0x8f,0x1d,0xe,0x5e,0x72}}

#define EFI_OS_INDICATIONS_BOOT_TO_FW_UI						0x0000000000000001
#define EFI_OS_INDICATIONS_TIMESTAMP_REVOCATION					0x0000000000000002
#define EFI_OS_INDICATIONS_FILE_CAPSULE_DELIVERY_SUPPORTED		0x0000000000000004
#define EFI_OS_INDICATIONS_FMP_CAPSULE_SUPPORTED				0x0000000000000008
#define EFI_OS_INDICATIONS_CAPSULE_RESULT_VAR_SUPPORTED			0x0000000000000010
#define EFI_OS_INDICATIONS_START_OS_RECOVERY					0x0000000000000020
#define EFI_OS_INDICATIONS_START_PLATFORM_RECOVERY				0x0000000000000040
#define EFI_OS_INDICATIONS_JSON_CONFIG_DATA_REFRESH				0x0000000000000080

#define EFI_CAPSULE_REPORT_GUID {0x39b68c46,0xf7fb,0x441b, {0xb6,0xec,0x16,0xb0,0xf6,0x98,0x21,0xf3}}

#define EFI_GLOBAL_VARIABLE {0x8be4df61,0x93ca,0x11d2, {0xaa,0x0d,0x00,0xe0,0x98,0x03,0x2b,0x8c}}

typedef struct _EFI_RUNTIME_SERVICES EFI_RUNTIME_SERVICES;

typedef enum {
	EfiResetCold,
	EfiResetWarm,
	EfiResetShutdown,
	EfiResetPlatformSpecific
} EFI_RESET_TYPE;

typedef struct {
	EFI_UINT16 Year;
	EFI_UINT8 Month;
	EFI_UINT8 Day;
	EFI_UINT8 Hour;
	EFI_UINT8 Minute;
	EFI_UINT8 Second;
	EFI_UINT8 Pad1;
	EFI_UINT32 Nanosecond;
	EFI_INT16 TimeZone;
	EFI_UINT8 Daylight;
	EFI_UINT8 Pad2;
} EFI_TIME;

typedef struct {
	EFI_UINT32 Resolution;
	EFI_UINT32 Accuracy;
	EFI_BOOLEAN SetsToZero;
} EFI_TIME_CAPABILITIES;

// NOTE: EFI_VARIABLE_AUTHENTICATION is deprecated
typedef struct {
	EFI_UINT64 MonotonicCount;
	//WIN_CERTIFICATE_UEFI_GUID AuthInfo;
} EFI_VARIABLE_AUTHENTICATION;

typedef struct {
	EFI_TIME TimeStamp;
	//WIN_CERTIFICATE_UEFI_GUID AuthInfo;
} EFI_VARIABLE_AUTHENTICATION_2;

typedef struct {
	EFI_UINT8 Version;
	EFI_UINT8 Type;
	EFI_UINT32 MetadataSize;
	EFI_UINT32 Flags;
} EFI_VARIABLE_AUTHENTICATION_3;

typedef struct {
	EFI_UINT8 Type;
	EFI_UINT32 IdSize;
	//EFI_UINT8 Id[IdSize];
} EFI_VARIABLE_AUTHENTICATION_3_CERT_ID;

typedef struct {
	EFI_UINT32 NonceSize;
	//EFI_UINT8 Nonce[NonceSize];
} EFI_VARIABLE_AUTHENTICATION_3_NONCE;

typedef struct {
	EFI_GUID CapsuleGuid;
	EFI_UINT32 HeaderSize;
	EFI_UINT32 Flags;
	EFI_UINT32 CapsuleImageSize;
} EFI_CAPSULE_HEADER;

typedef struct {
	EFI_UINT32 CapsuleArrayNumber;
	VOID *CapsulePtr[1];
} EFI_CAPSULE_TABLE;

typedef struct {
	EFI_UINT64 Length;
	union {
		EFI_PHYSICAL_ADDRESS DataBlock;
		EFI_PHYSICAL_ADDRESS ContinuationPointer;
	} Union;
} EFI_CAPSULE_BLOCK_DESCRIPTOR;

typedef struct {
	EFI_PHYSICAL_ADDRESS Address;
	EFI_UINT64 Length;
} EFI_MEMORY_RANGE;

typedef struct {
	EFI_CAPSULE_HEADER Header;
	EFI_UINT32 OsRequestedMemoryType;
	EFI_UINT64 NumberOfMemoryRanges;
	EFI_MEMORY_RANGE MemoryRanges[];
} EFI_MEMORY_RANGE_CAPSULE;

typedef struct {
	EFI_UINT64 FirmwareMemoryRequirement;
	EFI_UINT64 NumberOfMemoryRanges;
} EFI_MEMORY_RANGE_CAPSULE_RESULT;

typedef struct {
	EFI_UINT32 VariableTotalSize;
	EFI_UINT32 Reserved;
	EFI_GUID CapsuleGuid;
	EFI_TIME CapsuleProcessed;
	EFI_STATUS CapsuleStatus;
} EFI_CAPSULE_RESULT_VARIABLE_HEADER;

typedef struct {
	EFI_UINT16 Version;
	EFI_UINT8 PayloadIndex;
	EFI_UINT8 UpdateImageIndex;
	EFI_GUID UpdateImageTypeId;
	//CHAR16 CapsuleFileName[];
	//CHAR16 CapsuleTarget[];
} EFI_CAPSULE_RESULT_VARIABLE_FMP;

typedef struct {
	EFI_UINT32 Version;
	EFI_UINT32 CapsuleId;
	EFI_UINT32 RespLength;
	EFI_UINT8 Resp[];
} EFI_CAPSULE_RESULT_VARIABLE_JSON;

typedef
EFI_STATUS
(EFIAPI *EFI_GET_TIME)(
	OUT EFI_TIME *Time,
	OUT EFI_TIME_CAPABILITIES *Capabilities OPTIONAL
);

typedef
EFI_STATUS
(EFIAPI *EFI_SET_TIME)(
	IN EFI_TIME *Time
);

typedef
EFI_STATUS
(EFIAPI *EFI_GET_WAKEUP_TIME)(
	OUT EFI_BOOLEAN *Enable,
	OUT EFI_BOOLEAN *Pending,
	OUT EFI_TIME *Time
);

typedef
EFI_STATUS
(EFIAPI *EFI_SET_WAKEUP_TIME)(
	IN EFI_BOOLEAN Enable,
	IN EFI_TIME *Time
);

typedef
EFI_STATUS
(EFIAPI *EFI_SET_VIRTUAL_ADDRESS_MAP)(
	IN EFI_UINTN MemoryMapSize,
	IN EFI_UINTN DescriptorSize,
	IN EFI_UINT32 DescriptorVersion,
	IN EFI_MEMORY_DESCRIPTOR *VirtualMap
);

typedef
EFI_STATUS
(EFIAPI *EFI_CONVERT_POINTER)(
	IN EFI_UINTN DebugDisposition,
	IN VOID **Address
);

typedef
EFI_STATUS
(EFIAPI *EFI_GET_VARIABLE)(
	IN CHAR16 *VariableName,
	IN EFI_GUID *VendorGuid,
	OUT EFI_UINT32 *Attributes OPTIONAL,
	IN OUT EFI_UINTN *DataSize,
	OUT VOID *Data OPTIONAL
);

typedef
EFI_STATUS
(EFIAPI *EFI_GET_NEXT_VARIABLE_NAME)(
	IN OUT EFI_UINTN *VariableNameSize,
	IN OUT CHAR16 *VariableName,
	IN OUT EFI_GUID *VendorGuid
);

typedef
EFI_STATUS
(EFIAPI *EFI_SET_VARIABLE)(
	IN CHAR16 *VariableName,
	IN EFI_GUID *VendorGuid,
	IN EFI_UINT32 Attributes,
	IN EFI_UINTN DataSize,
	IN VOID *Data
);

typedef
EFI_STATUS
(EFIAPI *EFI_GET_NEXT_HIGH_MONOTONIC_COUNT)(
	OUT EFI_UINT32 *HighCount
);

typedef
EFI_STATUS
(EFIAPI *EFI_RESET_SYSTEM)(
	IN EFI_RESET_TYPE ResetType,
	IN EFI_STATUS ResetStatus,
	IN EFI_UINTN DataSize,
	IN VOID *ResetData OPTIONAL
);

typedef
EFI_STATUS
(EFIAPI *EFI_UPDATE_CAPSULE)(
	IN EFI_CAPSULE_HEADER **CapsuleHeaderArray,
	IN EFI_UINTN CapsuleCount,
	IN EFI_PHYSICAL_ADDRESS ScatterGatherList OPTIONAL
);

typedef
EFI_STATUS
(EFIAPI *EFI_QUERY_CAPSULE_CAPABILITIES)(
	IN EFI_CAPSULE_HEADER **CapsuleHeaderArray,
	IN EFI_UINTN CapsuleCount,
	OUT EFI_UINT64 *MaximumCapsuleSize,
	OUT EFI_RESET_TYPE *ResetType
);

typedef
EFI_STATUS
(EFIAPI *EFI_QUERY_VARIABLE_INFO)(
	IN EFI_UINT32 Attributes,
	OUT EFI_UINT64 *MaximumVariableStorageSize,
	OUT EFI_UINT64 *RemainingVariableStorageSize,
	OUT EFI_UINT64 *MaximumVariableSize
);

// EFI Runtime Services
typedef struct _EFI_RUNTIME_SERVICES {
	EFI_TABLE_HEADER Hdr;

	// Time Services
	EFI_GET_TIME GetTime; 
	EFI_SET_TIME SetTime;
	EFI_GET_WAKEUP_TIME GetWakeupTime; 
	EFI_SET_WAKEUP_TIME SetWakeupTime; 

	// Virtual Memory Services
	EFI_SET_VIRTUAL_ADDRESS_MAP SetVirtualAddressMap;
	EFI_CONVERT_POINTER ConvertPointer;

	// Variable Services
	EFI_GET_VARIABLE GetVariable;
	EFI_GET_NEXT_VARIABLE_NAME GetNextVariableName;
	EFI_SET_VARIABLE SetVariable;

	// Miscellaneous Services
	EFI_GET_NEXT_HIGH_MONOTONIC_COUNT GetNextHighMonotonicCount;
	EFI_RESET_SYSTEM ResetSystem;

	// UEFI 2.0 Capsule Services
	EFI_UPDATE_CAPSULE UpdateCapsule;
	EFI_QUERY_CAPSULE_CAPABILITIES QueryCapsuleCapabilities;

	// Miscellaneous UEFI 2.0 Service
	EFI_QUERY_VARIABLE_INFO QueryVariableInfo; 
} EFI_RUNTIME_SERVICES;

#endif /* EFI_RUNTIME_SERVICES_H */