1 What: /sys/firmware/gsmi
2 Date: March 2011
3 Contact: Mike Waychison <mikew@google.co
4 Description:
5 Some servers used internally a
6 that provides callback functio
7 triggers. Some of the callbac
8 provided by the EFI runtime se
9 historical reasons this differ
10 used.
11
12 The gsmi driver implements the
13 these firmware callbacks. Cur
14 is limited to handling the sys
15 access to EFI-style variables
16
17 Layout:
18
19 /sys/firmware/gsmi/vars:
20
21 This directory has the
22 underlying implementat
23 See `Documentation/ABI
24 for more information o
25 this structure.
26
27 /sys/firmware/gsmi/append_to_e
28
29 This file takes a bina
30 the firmware to be tim
31 the system eventlog.
32 interpreted by the fir
33 platform to platform.
34 requirement is that th
35 32bit host-endian type
36 firmware call.
37
38 /sys/firmware/gsmi/clear_confi
39
40 Writing any value to t
41 entire firmware config
42 "factory defaults". C
43 a reboot is required f
44 cleared.
45
46 /sys/firmware/gsmi/clear_event
47
48 This file is used to c
49 whole of the system ev
50 should be values betwe
51 ASCII) representing th
52 clear. Not all platfo
53 clearing though, and t
54 will error out if the
55 submitted fraction.
56
57 Callers should assume
58 for this operation to
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