SmramInternal.h

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#include <Pi/PiMultiPhase.h>
 
#include <Guid/SmramMemoryReserve.h>
#include <Library/HobLib.h>
 
//
// The value of PcdQ35TsegMbytes is saved into this variable at module startup.
//
extern UINT16  mQ35TsegMbytes;
 
VOID
InitQ35TsegMbytes (
  VOID
  );
 
VOID
InitQ35SmramAtDefaultSmbase (
  VOID
  );
 
VOID
GetStates (
  OUT BOOLEAN  *LockState,
  OUT BOOLEAN  *OpenState
  );
 
//
// The functions below follow the PEI_SMM_ACCESS_PPI and
// EFI_SMM_ACCESS2_PROTOCOL member declarations. The PeiServices and This
// pointers are removed (TSEG doesn't depend on them), and so is the
// DescriptorIndex parameter (TSEG doesn't support range-wise locking).
//
// The LockState and OpenState members that are common to both
// PEI_SMM_ACCESS_PPI and EFI_SMM_ACCESS2_PROTOCOL are taken and updated in
// isolation from the rest of the (non-shared) members.
//
 
EFI_STATUS
SmramAccessOpen (
  OUT BOOLEAN  *LockState,
  OUT BOOLEAN  *OpenState
  );
 
EFI_STATUS
SmramAccessClose (
  OUT BOOLEAN  *LockState,
  OUT BOOLEAN  *OpenState
  );
 
EFI_STATUS
SmramAccessLock (
  OUT    BOOLEAN  *LockState,
  IN OUT BOOLEAN  *OpenState
  );
 
EFI_STATUS
SmramAccessGetCapabilities (
  IN OUT UINTN                 *SmramMapSize,
  IN OUT EFI_SMRAM_DESCRIPTOR  *SmramMap
  );