// ehstorbandmgmt.h

typedef enum {
  INVALID_LOCK_STATE,
  PERSISTENT_UNLOCK,
  NONPERSISTENT_UNLOCK,
  PERSISTENT_LOCK
} LOCKSTATE;
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Windows Driver Kit DDI reference (ne-ehstorbandmgmt-lockstate)

Description

Indicates the current lock state of the device.

Constants

`INVALID_LOCK_STATE`

The device is in an invalid lock state.

`PERSISTENT_UNLOCK`

The device is unlocked and remains unlocked on power reset.

`NONPERSISTENT_UNLOCK`

The device is unlocked but gets locked on power reset.

`PERSISTENT_LOCK`

The device is locked and remains locked on power reset.

LOCKSTATE - NtDoc