SmmAccess.h

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#ifndef _SMM_ACCESS_PPI_H_
#define _SMM_ACCESS_PPI_H_
 
#define PEI_SMM_ACCESS_PPI_GUID \
  { 0x268f33a9, 0xcccd, 0x48be, { 0x88, 0x17, 0x86, 0x5, 0x3a, 0xc3, 0x2e, 0xd6 }}
 
typedef struct _PEI_SMM_ACCESS_PPI PEI_SMM_ACCESS_PPI;
 
typedef
EFI_STATUS
(EFIAPI *PEI_SMM_OPEN)(
  IN EFI_PEI_SERVICES                **PeiServices,
  IN PEI_SMM_ACCESS_PPI              *This,
  IN UINTN                           DescriptorIndex
  );
 
typedef
EFI_STATUS
(EFIAPI *PEI_SMM_CLOSE)(
  IN EFI_PEI_SERVICES                **PeiServices,
  IN PEI_SMM_ACCESS_PPI              *This,
  IN UINTN                           DescriptorIndex
  );
 
typedef
EFI_STATUS
(EFIAPI *PEI_SMM_LOCK)(
  IN EFI_PEI_SERVICES                **PeiServices,
  IN PEI_SMM_ACCESS_PPI              *This,
  IN UINTN                           DescriptorIndex
  );
 
typedef
EFI_STATUS
(EFIAPI *PEI_SMM_CAPABILITIES)(
  IN EFI_PEI_SERVICES                **PeiServices,
  IN PEI_SMM_ACCESS_PPI              *This,
  IN OUT UINTN                       *SmramMapSize,
  IN OUT EFI_SMRAM_DESCRIPTOR        *SmramMap
  );
 
struct _PEI_SMM_ACCESS_PPI {
  PEI_SMM_OPEN            Open;
  PEI_SMM_CLOSE           Close;
  PEI_SMM_LOCK            Lock;
  PEI_SMM_CAPABILITIES    GetCapabilities;
  BOOLEAN                 LockState;
  BOOLEAN                 OpenState;
};
 
extern EFI_GUID  gPeiSmmAccessPpiGuid;
 
#endif