ACPI_IVRS_HEADER
#define ACPI_IVRSH_OFFSET(f) (UINT16) ACPI_OFFSET (ACPI_IVRS_HEADER,f)
#define ACPI_IVRS_FLAG_OFFSET(f,o) ACPI_FLAG_OFFSET (ACPI_IVRS_HEADER,f,o)
ACPI_IVRS_HEADER Header;
ACPI_IVRS_HEADER Header;
ACPI_IVRS_HEADER Header;