CXL_REGION_ATTR
if (a == CXL_REGION_ATTR(create_pmem_region) && !can_create_pmem(cxlrd))
if (a == CXL_REGION_ATTR(create_ram_region) && !can_create_ram(cxlrd))
if (a == CXL_REGION_ATTR(delete_region) &&