// ehstorioctl.h

typedef enum _PDO_TYPE {
  PDO_TYPE_UNDEFINED,
  PDO_TYPE_DISK,
  PDO_TYPE_CONTROL,
  PDO_TYPE_SILO,
  PDO_TYPE_THIS
} PDO_TYPE;
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Windows Driver Kit DDI reference (ne-ehstorioctl-_pdo_type)

_PDO_TYPE enumeration

Description

This enumeration describes the types of Physical Device Objects (PDOs).

Constants

`PDO_TYPE_UNDEFINED`

Types either enumerated or provided as filter parameter to IOCTL_EHSTOR_DEVICE_ENUMERATE_PDOS

`PDO_TYPE_DISK`

This value indicates the PDO is for a logical disk device.

`PDO_TYPE_CONTROL`

This value indicates the PDO is for a logical control device.

`PDO_TYPE_SILO`

This value indicates the PDO is for a logical silo device.

PDO_TYPE - NtDoc