1 What: /sys/class/remoteproc/.../firm
2 Date: October 2016
3 Contact: Matt Redfearn <matt.redfearn@mi
4 Description: Remote processor firmware
5
6 Reports the name of the firmwa
7 remote processor.
8
9 To change the running firmware
10 stopped (using /sys/class/remo
11
12 What: /sys/class/remoteproc/.../stat
13 Date: October 2016
14 Contact: Matt Redfearn <matt.redfearn@mi
15 Description: Remote processor state
16
17 Reports the state of the remot
18
19 - "offline"
20 - "suspended"
21 - "running"
22 - "crashed"
23 - "invalid"
24
25 "offline" means the remote pro
26
27 "suspended" means that the rem
28 must be woken to receive messa
29
30 "running" is the normal state
31
32 "crashed" indicates that a pro
33 the remote processor.
34
35 "invalid" is returned if the r
36 unknown state.
37
38 Writing this file controls the
39 The following states can be wr
40
41 - "start"
42 - "stop"
43
44 Writing "start" will attempt t
45 firmware indicated by, or writ
46 /sys/class/remoteproc/.../firm
47 transition to "running" state.
48
49 Writing "stop" will attempt to
50 return it to the "offline" sta
51
52 What: /sys/class/remoteproc/.../name
53 Date: August 2019
54 KernelVersion: 5.4
55 Contact: Suman Anna <s-anna@ti.com>
56 Description: Remote processor name
57
58 Reports the name of the remote
59 userspace in exactly identifyi
60 up the usage in modifying the
61
62 What: /sys/class/remoteproc/.../core
63 Date: July 2020
64 Contact: Bjorn Andersson <bjorn.andersso
65 Description: Remote processor coredump conf
66
67 Reports the coredump configura
68 which will be one of:
69
70 "disabled"
71 "enabled"
72 "inline"
73
74 "disabled" means no dump will
75
76 "enabled" means when the remot
77 collected it will be copied to
78 buffer is exposed to userspace
79
80 "inline" means when the remote
81 collected userspace will direc
82 processor's device memory. Ext
83 copy the dump. Also recovery p
84 all data is read by userspace.
85
86 What: /sys/class/remoteproc/.../reco
87 Date: July 2020
88 Contact: Bjorn Andersson <bjorn.andersso
89 Description: Remote processor recovery mech
90
91 Reports the recovery mechanism
92 which will be one of:
93
94 "enabled"
95 "disabled"
96
97 "enabled" means, the remote pr
98 recovered whenever it crashes.
99 processor crashes while recove
100 be automatically recovered too
101
102 "disabled" means, a remote pro
103 state if it crashes. This is u
104 without it, debugging a crash
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