gEfiTpmDeviceInstanceNoneGuid

GUID value used for PcdTpmInstanceGuid to indicate TPM is disabled.
Include/Guid/TpmInstance.h

GUID Information

GUID's Guid NameGUID's Guid
gEfiTpmDeviceInstanceNoneGuid{ 0x00000000, 0x0000, 0x0000, { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 } }

Refer to Header File

SecurityPkg/Include/Guid/TpmInstance.h

Generated on Thu Sep 24 23:44:25 2015 for SecurityPkg[ALL] by  doxygen 1.5.7.1