MmCpuIo.h

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#ifndef _MM_CPU_IO_H_
#define _MM_CPU_IO_H_
 
#define EFI_MM_CPU_IO_PROTOCOL_GUID \
  { \
    0x3242A9D8, 0xCE70, 0x4AA0, { 0x95, 0x5D, 0x5E, 0x7B, 0x14, 0x0D, 0xE4, 0xD2 } \
  }
 
typedef struct _EFI_MM_CPU_IO_PROTOCOL EFI_MM_CPU_IO_PROTOCOL;
 
typedef enum {
  MM_IO_UINT8  = 0,
  MM_IO_UINT16 = 1,
  MM_IO_UINT32 = 2,
  MM_IO_UINT64 = 3
} EFI_MM_IO_WIDTH;
 
typedef
EFI_STATUS
(EFIAPI *EFI_MM_CPU_IO)(
  IN     CONST EFI_MM_CPU_IO_PROTOCOL    *This,
  IN     EFI_MM_IO_WIDTH                 Width,
  IN     UINT64                          Address,
  IN     UINTN                           Count,
  IN OUT VOID                            *Buffer
  );
 
typedef struct {
  EFI_MM_CPU_IO    Read;
  EFI_MM_CPU_IO    Write;
} EFI_MM_IO_ACCESS;
 
struct _EFI_MM_CPU_IO_PROTOCOL {
  EFI_MM_IO_ACCESS    Mem;
  EFI_MM_IO_ACCESS    Io;
};
 
extern EFI_GUID  gEfiMmCpuIoProtocolGuid;
 
#endif