ACPI Control Method Macros
A driver can use the following macros to set input arguments that are used with the ACPI control method IOCTLs:
ACPI_METHOD_SET_ARGUMENT_INTEGER
ACPI_METHOD_SET_ARGUMENT_STRING
ACPI_METHOD_SET_ARGUMENT_BUFFER
A driver can use the following macros to help process an array of ACPI_ENUM_CHILD structures in an ACPI_ENUM_CHILDREN_OUTPUT_BUFFER structure.
ACPI_ENUM_CHILD_LENGTH_FROM_CHILD
A driver can use the following macros to help process an array of ACPI_METHOD_ARGUMENT structures in an ACPI_EVAL_OUTPUT_BUFFER structure.
ACPI_METHOD_ARGUMENT_LENGTH_FROM_ARGUMENT
The following macro is reserved for internal use only: