Timer.h

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#ifndef __ARCH_PROTOCOL_TIMER_H__
#define __ARCH_PROTOCOL_TIMER_H__
 
#define EFI_TIMER_ARCH_PROTOCOL_GUID \
  { 0x26baccb3, 0x6f42, 0x11d4, {0xbc, 0xe7, 0x0, 0x80, 0xc7, 0x3c, 0x88, 0x81 } }
 
typedef struct _EFI_TIMER_ARCH_PROTOCOL EFI_TIMER_ARCH_PROTOCOL;
 
typedef
VOID
(EFIAPI *EFI_TIMER_NOTIFY)(
  IN UINT64  Time
  );
 
typedef
EFI_STATUS
(EFIAPI *EFI_TIMER_REGISTER_HANDLER)(
  IN EFI_TIMER_ARCH_PROTOCOL    *This,
  IN EFI_TIMER_NOTIFY           NotifyFunction
  );
 
typedef
EFI_STATUS
(EFIAPI *EFI_TIMER_SET_TIMER_PERIOD)(
  IN EFI_TIMER_ARCH_PROTOCOL    *This,
  IN UINT64                     TimerPeriod
  );
 
typedef
EFI_STATUS
(EFIAPI *EFI_TIMER_GET_TIMER_PERIOD)(
  IN EFI_TIMER_ARCH_PROTOCOL      *This,
  OUT UINT64                      *TimerPeriod
  );
 
typedef
EFI_STATUS
(EFIAPI *EFI_TIMER_GENERATE_SOFT_INTERRUPT)(
  IN EFI_TIMER_ARCH_PROTOCOL    *This
  );
 
struct _EFI_TIMER_ARCH_PROTOCOL {
  EFI_TIMER_REGISTER_HANDLER           RegisterHandler;
  EFI_TIMER_SET_TIMER_PERIOD           SetTimerPeriod;
  EFI_TIMER_GET_TIMER_PERIOD           GetTimerPeriod;
  EFI_TIMER_GENERATE_SOFT_INTERRUPT    GenerateSoftInterrupt;
};
 
extern EFI_GUID  gEfiTimerArchProtocolGuid;
 
#endif