ACPI_HID_DEVICE_PATH Struct Reference


Data Fields

EFI_DEVICE_PATH_PROTOCOL Header
UINT32 HID
UINT32 UID

Field Documentation

Device's PnP hardware ID stored in a numeric 32-bit compressed EISA-type ID. This value must match the corresponding _HID in the ACPI name space.

Referenced by ConvertFromTextAcpi(), DevPathFromTextAcpi(), and DevPathToTextAcpi().

Unique ID that is required by ACPI if two devices have the same _HID. This value must also match the corresponding _UID/_HID pair in the ACPI name space. Only the 32-bit numeric value type of _UID is supported. Thus, strings must not be used for the _UID in the ACPI name space.

Referenced by ConvertFromTextAcpi(), DevPathFromTextAcpi(), and DevPathToTextAcpi().


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