sysfs-devices-platform-docg3 1.3 KB

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  1. What: /sys/devices/platform/docg3/f[0-3]_dps[01]_is_keylocked
  2. Date: November 2011
  3. KernelVersion: 3.3
  4. Contact: Robert Jarzmik <robert.jarzmik@free.fr>
  5. Description:
  6. Show whether the floor (0 to 4), protection area (0 or 1) is
  7. keylocked. Each docg3 chip (or floor) has 2 protection areas,
  8. which can cover any part of it, block aligned, called DPS.
  9. The protection has information embedded whether it blocks reads,
  10. writes or both.
  11. The result is:
  12. - 0 -> the DPS is not keylocked
  13. - 1 -> the DPS is keylocked
  14. Users: None identified so far.
  15. What: /sys/devices/platform/docg3/f[0-3]_dps[01]_protection_key
  16. Date: November 2011
  17. KernelVersion: 3.3
  18. Contact: Robert Jarzmik <robert.jarzmik@free.fr>
  19. Description:
  20. Enter the protection key for the floor (0 to 4), protection area
  21. (0 or 1). Each docg3 chip (or floor) has 2 protection areas,
  22. which can cover any part of it, block aligned, called DPS.
  23. The protection has information embedded whether it blocks reads,
  24. writes or both.
  25. The protection key is a string of 8 bytes (value 0-255).
  26. Entering the correct value toggle the lock, and can be observed
  27. through f[0-3]_dps[01]_is_keylocked.
  28. Possible values are:
  29. - 8 bytes
  30. Typical values are:
  31. - "00000000"
  32. - "12345678"
  33. Users: None identified so far.