AppleDiag.h

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#ifndef APPLE_DIAG_H
#define APPLE_DIAG_H
 
#define APPLE_DIAG_VARIABLE_ACCESS_PROTOCOL_GUID  \
  { 0xC5CFF4F1, 0x379A, 0x54E1,                   \
    { 0x9E, 0xDD, 0x93, 0x21, 0x9C, 0x6A, 0xA4, 0xFE } }
 
#define APPLE_DIAG_VAULT_PROTOCOL_GUID   \
  { 0xF76761DC, 0xFF89, 0x44E4,          \
    { 0x9C, 0x0C, 0xCD, 0x0A, 0xDA, 0x4E, 0xF9, 0x83 } }
 
typedef
EFI_STATUS
(EFIAPI *DIAG_ACCESS_GET)(
  IN     CHAR16     *Key,
  OUT VOID       *Value,
  IN OUT UINTN      *Length
  );
 
typedef
EFI_STATUS
(EFIAPI *DIAG_ACCESS_SET)(
  IN     CHAR16 *Key,
  IN     VOID   *Value,
  IN OUT UINTN  *Length
  );
 
typedef struct {
  UINTN              Revision;
  DIAG_ACCESS_GET    GetValue;
  DIAG_ACCESS_SET    SetValue;
} APPLE_DIAG_VARIABLE_ACCESS_PROTOCOL;
 
// Note, both these GUIDs are also exposed as a configuration table with the same GUID and is used by AppleEFINVRAM.kext.
extern EFI_GUID  gAppleDiagVariableAccessProtocolGuid;
extern EFI_GUID  gAppleDiagVaultProtocolGuid;
 
#endif // APPLE_DIAG_ACCESS_H