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ACPI_GET_DEVICE_SPECIFIC_DATA structure (acpiioct.h)

  • Article

The ACPI_GET_DEVICE_SPECIFIC_DATA structure contains input arguments for the IOCTL_ACPI_GET_DEVICE_SPECIFIC_DATA control method.

Syntax

typedef struct _ACPI_GET_DEVICE_SPECIFIC_DATA {
  ULONG Signature;
  GUID  Section;
  ULONG PropertyNameLength;
  UCHAR PropertyName[ANYSIZE_ARRAY];
} ACPI_GET_DEVICE_SPECIFIC_DATA, *PACPI_GET_DEVICE_SPECIFIC_DATA;

Members

Signature

A unique identifier for the IOCTL.

Section

A GUID specified by the caller.

PropertyNameLength

The length of the property name.

PropertyName[ANYSIZE_ARRAY]

Specifies the property name. If not specified, the PropertyNameLength and the PropertyName are returned. If a PropertyName is specified, only the value of that PropertyName is returned.

Requirements

Requirement Value
Header acpiioct.h (include Acpiioct.h)