enum _HALP_DMA_TRANSLATION_TYPE {
DmaTranslationTypePassthrough = 0,/* 0x0 */
DmaTranslationTypeSafePassthrough = 1,/* 0x1 */
DmaTranslationTypeHybridPassthrough = 2,/* 0x2 */
DmaTranslationTypeTranslate = 3,/* 0x3 */
DmaTranslationTypeMax = 4,/* 0x4 */
};