PDSK_UNLOCKPHYSDRIVE
- Category
- IOCTL_PHYSICALDISK (09h)
- Function
- PDSK_UNLOCKPHYSDRIVE (01h)
- Description
- Unlock Physical Drive
Description
This function unlocks the physical drive.
Command Information
Reserved. Must be set to 0.
Parameter Packet Format
| Field | Length | C Datatype |
|---|---|---|
| Command Information | BYTE | UCHAR |
Data Packet Format
| Field | Length | C Datatype |
|---|---|---|
| Reserved. Set to 0. | 31 BYTES | UCHAR[31] |
Returns
Possible values are shown in the following list:
| Code | Description |
|---|---|
| 0 | NO_ERROR |
| 1 | ERROR_INVALID_FUNCTION |
| 6 | ERROR_INVALID_HANDLE |
| 15 | ERROR_INVALID_DRIVE |
| 31 | ERROR_GEN_FAILURE |
| 87 | ERROR_INVALID_PARAMETER |
| 111 | ERROR_BUFFER_OVERFLOW |
| 115 | ERROR_PROTECTION_VIOLATION |
| 117 | ERROR_INVALID_CATEGORY |
| 119 | ERROR_BAD_DRIVER_LEVEL |
| 163 | ERROR_UNCERTAIN_MEDIA |
| 165 | ERROR_MONITORS_NOT_SUPPORTED |
Remarks
All the logical units on the physical drive are affected as well.