DebugPort.h

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#ifndef __DEBUG_PORT_H__
#define __DEBUG_PORT_H__
 
#define EFI_DEBUGPORT_PROTOCOL_GUID \
  { \
    0xEBA4E8D2, 0x3858, 0x41EC, {0xA2, 0x81, 0x26, 0x47, 0xBA, 0x96, 0x60, 0xD0 } \
  }
 
extern EFI_GUID  gEfiDebugPortProtocolGuid;
 
typedef struct _EFI_DEBUGPORT_PROTOCOL EFI_DEBUGPORT_PROTOCOL;
 
//
// DebugPort member functions
//
 
typedef
EFI_STATUS
(EFIAPI *EFI_DEBUGPORT_RESET)(
  IN EFI_DEBUGPORT_PROTOCOL               *This
  );
 
typedef
EFI_STATUS
(EFIAPI *EFI_DEBUGPORT_WRITE)(
  IN EFI_DEBUGPORT_PROTOCOL               *This,
  IN UINT32                               Timeout,
  IN OUT UINTN                            *BufferSize,
  IN VOID                                 *Buffer
  );
 
typedef
EFI_STATUS
(EFIAPI *EFI_DEBUGPORT_READ)(
  IN EFI_DEBUGPORT_PROTOCOL               *This,
  IN UINT32                               Timeout,
  IN OUT UINTN                            *BufferSize,
  OUT VOID                                *Buffer
  );
 
typedef
EFI_STATUS
(EFIAPI *EFI_DEBUGPORT_POLL)(
  IN EFI_DEBUGPORT_PROTOCOL               *This
  );
 
struct _EFI_DEBUGPORT_PROTOCOL {
  EFI_DEBUGPORT_RESET    Reset;
  EFI_DEBUGPORT_WRITE    Write;
  EFI_DEBUGPORT_READ     Read;
  EFI_DEBUGPORT_POLL     Poll;
};
 
//
// DEBUGPORT variable definitions...
//
#define EFI_DEBUGPORT_VARIABLE_NAME  L"DEBUGPORT"
#define EFI_DEBUGPORT_VARIABLE_GUID  EFI_DEBUGPORT_PROTOCOL_GUID
 
extern EFI_GUID  gEfiDebugPortVariableGuid;
 
//
// DebugPort device path definitions...
//
#define DEVICE_PATH_MESSAGING_DEBUGPORT  EFI_DEBUGPORT_PROTOCOL_GUID
 
extern EFI_GUID  gEfiDebugPortDevicePathGuid;
 
typedef struct {
  EFI_DEVICE_PATH_PROTOCOL    Header;
  EFI_GUID                    Guid;
} DEBUGPORT_DEVICE_PATH;
 
#endif