1 What: /sys/devices/platform/docg3/f[ 1 What: /sys/devices/platform/docg3/f[0-3]_dps[01]_is_keylocked
2 Date: November 2011 2 Date: November 2011
3 KernelVersion: 3.3 3 KernelVersion: 3.3
4 Contact: Robert Jarzmik <robert.jarzmik@ 4 Contact: Robert Jarzmik <robert.jarzmik@free.fr>
5 Description: 5 Description:
6 Show whether the floor (0 to 4 6 Show whether the floor (0 to 4), protection area (0 or 1) is
7 keylocked. Each docg3 chip (or 7 keylocked. Each docg3 chip (or floor) has 2 protection areas,
8 which can cover any part of it 8 which can cover any part of it, block aligned, called DPS.
9 The protection has information 9 The protection has information embedded whether it blocks reads,
10 writes or both. 10 writes or both.
11 The result is: 11 The result is:
12 12
13 - 0 -> the DPS is not keylocke 13 - 0 -> the DPS is not keylocked
14 - 1 -> the DPS is keylocked 14 - 1 -> the DPS is keylocked
15 15
16 Users: None identified so far. 16 Users: None identified so far.
17 17
18 What: /sys/devices/platform/docg3/f[ 18 What: /sys/devices/platform/docg3/f[0-3]_dps[01]_protection_key
19 Date: November 2011 19 Date: November 2011
20 KernelVersion: 3.3 20 KernelVersion: 3.3
21 Contact: Robert Jarzmik <robert.jarzmik@ 21 Contact: Robert Jarzmik <robert.jarzmik@free.fr>
22 Description: 22 Description:
23 Enter the protection key for t 23 Enter the protection key for the floor (0 to 4), protection area
24 (0 or 1). Each docg3 chip (or 24 (0 or 1). Each docg3 chip (or floor) has 2 protection areas,
25 which can cover any part of it 25 which can cover any part of it, block aligned, called DPS.
26 The protection has information 26 The protection has information embedded whether it blocks reads,
27 writes or both. 27 writes or both.
28 The protection key is a string 28 The protection key is a string of 8 bytes (value 0-255).
29 Entering the correct value tog 29 Entering the correct value toggle the lock, and can be observed
30 through f[0-3]_dps[01]_is_keyl 30 through f[0-3]_dps[01]_is_keylocked.
31 Possible values are: 31 Possible values are:
32 32
33 - 8 bytes 33 - 8 bytes
34 34
35 Typical values are: 35 Typical values are:
36 36
37 - "00000000" 37 - "00000000"
38 - "12345678" 38 - "12345678"
39 39
40 Users: None identified so far. 40 Users: None identified so far.
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