ACPI_HMATH_OFFSET
{ACPI_DMT_HMAT, ACPI_HMATH_OFFSET (Type), "Structure Type", 0},
{ACPI_DMT_UINT16, ACPI_HMATH_OFFSET (Reserved), "Reserved", 0},
{ACPI_DMT_UINT32, ACPI_HMATH_OFFSET (Length), "Length", 0},