VA_HOST_SPACE_START
prop->pmmu.start_addr = VA_HOST_SPACE_START;
(VA_HOST_SPACE_START + VA_HOST_SPACE_SIZE / 2) - 1;
prop->dmmu.start_addr = (VA_HOST_SPACE_START + VA_HOST_SPACE_SIZE / 2);
VA_HOST_SPACE_START) /* 767TB */
prop->pmmu.start_addr = VA_HOST_SPACE_START;
VA_HOST_SPACE_START) /* 767TB */