FaultTolerantWrite.h

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#ifndef _FAULT_TOLERANT_WRITE_H_
#define _FAULT_TOLERANT_WRITE_H_
 
#define EDKII_FAULT_TOLERANT_WRITE_GUID \
  { \
    0x1d3e9cb8, 0x43af, 0x490b, { 0x83,  0xa, 0x35, 0x16, 0xaa, 0x53, 0x20, 0x47 } \
  }
 
//
// FTW Last write data. It will be used as gEdkiiFaultTolerantWriteGuid GUID hob data.
//
typedef struct {
  EFI_PHYSICAL_ADDRESS    TargetAddress;
  EFI_PHYSICAL_ADDRESS    SpareAddress;
  UINT64                  Length;
} FAULT_TOLERANT_WRITE_LAST_WRITE_DATA;
 
//
// This GUID will be used to install PPI to inform the check for FTW last write data has been done.
// The related FAULT_TOLERANT_WRITE_LAST_WRITE_DATA GUID hob will be only built if
// FTW last write was still in progress with SpareComplete set and DestinationComplete not set.
// It means the target buffer has been backed up in spare block, then target block has been erased,
// but the target buffer has not been writen in target block from spare block.
//
extern EFI_GUID  gEdkiiFaultTolerantWriteGuid;
 
#endif