SmmCpuService.h

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#ifndef _SMM_CPU_SERVICE_PROTOCOL_H_
#define _SMM_CPU_SERVICE_PROTOCOL_H_
 
//
// Share some definitions with MP Services and CPU Arch Protocol
//
#include <Protocol/MpService.h>
#include <Protocol/Cpu.h>
 
#define EFI_SMM_CPU_SERVICE_PROTOCOL_GUID \
  { \
    0x1d202cab, 0xc8ab, 0x4d5c, { 0x94, 0xf7, 0x3c, 0xfc, 0xc0, 0xd3, 0xd3, 0x35 } \
  }
 
typedef struct _EFI_SMM_CPU_SERVICE_PROTOCOL EFI_SMM_CPU_SERVICE_PROTOCOL;
 
//
// Protocol functions
//
 
typedef
EFI_STATUS
(EFIAPI *EFI_SMM_GET_PROCESSOR_INFO)(
  IN CONST EFI_SMM_CPU_SERVICE_PROTOCOL *This,
  IN       UINTN                        ProcessorNumber,
  OUT      EFI_PROCESSOR_INFORMATION    *ProcessorInfoBuffer
  );
 
typedef
EFI_STATUS
(EFIAPI *EFI_SMM_SWITCH_BSP)(
  IN CONST EFI_SMM_CPU_SERVICE_PROTOCOL *This,
  IN       UINTN                        ProcessorNumber
  );
 
typedef
EFI_STATUS
(EFIAPI *EFI_SMM_ADD_PROCESSOR)(
  IN CONST EFI_SMM_CPU_SERVICE_PROTOCOL  *This,
  IN       UINT64                        ProcessorId,
  OUT      UINTN                         *ProcessorNumber
  );
 
typedef
EFI_STATUS
(EFIAPI *EFI_SMM_REMOVE_PROCESSOR)(
  IN CONST EFI_SMM_CPU_SERVICE_PROTOCOL  *This,
  IN       UINTN                         ProcessorNumber
  );
 
typedef
EFI_STATUS
(EFIAPI *EFI_SMM_WHOAMI)(
  IN CONST EFI_SMM_CPU_SERVICE_PROTOCOL *This,
  OUT      UINTN                        *ProcessorNumber
  );
 
typedef
EFI_STATUS
(EFIAPI *EFI_SMM_REGISTER_EXCEPTION_HANDLER)(
  IN EFI_SMM_CPU_SERVICE_PROTOCOL  *This,
  IN EFI_EXCEPTION_TYPE            ExceptionType,
  IN EFI_CPU_INTERRUPT_HANDLER     InterruptHandler
  );
 
//
//  This protocol provides CPU services from SMM.
//
struct _EFI_SMM_CPU_SERVICE_PROTOCOL {
  EFI_SMM_GET_PROCESSOR_INFO            GetProcessorInfo;
  EFI_SMM_SWITCH_BSP                    SwitchBsp;
  EFI_SMM_ADD_PROCESSOR                 AddProcessor;
  EFI_SMM_REMOVE_PROCESSOR              RemoveProcessor;
  EFI_SMM_WHOAMI                        WhoAmI;
  EFI_SMM_REGISTER_EXCEPTION_HANDLER    RegisterExceptionHandler;
};
 
extern EFI_GUID  gEfiSmmCpuServiceProtocolGuid;
 
//
//  EDKII_SMM_CPU_RENDEZVOUS_PROTOCOL provide SMM CPU
//  rendezvous service support.
//
#define EDKII_SMM_CPU_RENDEZVOUS_PROTOCOL_GUID \
  { \
    0xaa00d50b, 0x4911, 0x428f, { 0xb9, 0x1a, 0xa5, 0x9d, 0xdb, 0x13, 0xe2, 0x4c } \
  }
 
typedef struct _EDKII_SMM_CPU_RENDEZVOUS_PROTOCOL EDKII_SMM_CPU_RENDEZVOUS_PROTOCOL;
 
typedef
EFI_STATUS
(EFIAPI *EDKII_WAIT_FOR_ALL_PROCESSOR)(
  IN  EDKII_SMM_CPU_RENDEZVOUS_PROTOCOL  *This,
  IN  BOOLEAN                            BlockingMode
  );
 
struct _EDKII_SMM_CPU_RENDEZVOUS_PROTOCOL {
  EDKII_WAIT_FOR_ALL_PROCESSOR    WaitForAllProcessor;
};
 
extern EFI_GUID  gEdkiiSmmCpuRendezvousProtocolGuid;
 
#endif