11f9327fcSRobert JarzmikWhat: /sys/devices/platform/docg3/f[0-3]_dps[01]_is_keylocked 21f9327fcSRobert JarzmikDate: November 2011 31f9327fcSRobert JarzmikKernelVersion: 3.3 41f9327fcSRobert JarzmikContact: Robert Jarzmik <robert.jarzmik@free.fr> 51f9327fcSRobert JarzmikDescription: 61f9327fcSRobert Jarzmik Show whether the floor (0 to 4), protection area (0 or 1) is 71f9327fcSRobert Jarzmik keylocked. Each docg3 chip (or floor) has 2 protection areas, 81f9327fcSRobert Jarzmik which can cover any part of it, block aligned, called DPS. 91f9327fcSRobert Jarzmik The protection has information embedded whether it blocks reads, 101f9327fcSRobert Jarzmik writes or both. 111f9327fcSRobert Jarzmik The result is: 121f9327fcSRobert Jarzmik 0 -> the DPS is not keylocked 131f9327fcSRobert Jarzmik 1 -> the DPS is keylocked 141f9327fcSRobert JarzmikUsers: None identified so far. 151f9327fcSRobert Jarzmik 161f9327fcSRobert JarzmikWhat: /sys/devices/platform/docg3/f[0-3]_dps[01]_protection_key 171f9327fcSRobert JarzmikDate: November 2011 181f9327fcSRobert JarzmikKernelVersion: 3.3 191f9327fcSRobert JarzmikContact: Robert Jarzmik <robert.jarzmik@free.fr> 201f9327fcSRobert JarzmikDescription: 211f9327fcSRobert Jarzmik Enter the protection key for the floor (0 to 4), protection area 221f9327fcSRobert Jarzmik (0 or 1). Each docg3 chip (or floor) has 2 protection areas, 231f9327fcSRobert Jarzmik which can cover any part of it, block aligned, called DPS. 241f9327fcSRobert Jarzmik The protection has information embedded whether it blocks reads, 251f9327fcSRobert Jarzmik writes or both. 261f9327fcSRobert Jarzmik The protection key is a string of 8 bytes (value 0-255). 271f9327fcSRobert Jarzmik Entering the correct value toggle the lock, and can be observed 281f9327fcSRobert Jarzmik through f[0-3]_dps[01]_is_keylocked. 291f9327fcSRobert Jarzmik Possible values are: 301f9327fcSRobert Jarzmik - 8 bytes 311f9327fcSRobert Jarzmik Typical values are: 321f9327fcSRobert Jarzmik - "00000000" 331f9327fcSRobert Jarzmik - "12345678" 341f9327fcSRobert JarzmikUsers: None identified so far. 35