enum _BOOT_ENTROPY_SOURCE_RESULT_CODE {
BootEntropySourceStructureUninitialized = 0,/* 0x0 */
BootEntropySourceDisabledByPolicy = 1,/* 0x1 */
BootEntropySourceNotPresent = 2,/* 0x2 */
BootEntropySourceError = 3,/* 0x3 */
BootEntropySourceSuccess = 4,/* 0x4 */
};