| What: /sys/devices/platform/docg3/f[0-3]_dps[01]_is_keylocked |
| Date: November 2011 |
| KernelVersion: 3.3 |
| Contact: Robert Jarzmik <robert.jarzmik@free.fr> |
| Description: |
| Show whether the floor (0 to 4), protection area (0 or 1) is |
| keylocked. Each docg3 chip (or floor) has 2 protection areas, |
| which can cover any part of it, block aligned, called DPS. |
| The protection has information embedded whether it blocks reads, |
| writes or both. |
| The result is: |
| |
| - 0 -> the DPS is not keylocked |
| - 1 -> the DPS is keylocked |
| |
| Users: None identified so far. |
| |
| What: /sys/devices/platform/docg3/f[0-3]_dps[01]_protection_key |
| Date: November 2011 |
| KernelVersion: 3.3 |
| Contact: Robert Jarzmik <robert.jarzmik@free.fr> |
| Description: |
| Enter the protection key for the floor (0 to 4), protection area |
| (0 or 1). Each docg3 chip (or floor) has 2 protection areas, |
| which can cover any part of it, block aligned, called DPS. |
| The protection has information embedded whether it blocks reads, |
| writes or both. |
| The protection key is a string of 8 bytes (value 0-255). |
| Entering the correct value toggle the lock, and can be observed |
| through f[0-3]_dps[01]_is_keylocked. |
| Possible values are: |
| |
| - 8 bytes |
| |
| Typical values are: |
| |
| - "00000000" |
| - "12345678" |
| |
| Users: None identified so far. |
