1 What: /sys/firmware/efi/esrt/ 1 What: /sys/firmware/efi/esrt/
2 Date: February 2015 2 Date: February 2015
3 Contact: Peter Jones <pjones@redhat.com> 3 Contact: Peter Jones <pjones@redhat.com>
4 Description: Provides userland access to re 4 Description: Provides userland access to read the EFI System Resource Table
5 (ESRT), a catalog of firmware 5 (ESRT), a catalog of firmware for which can be updated with
6 the UEFI UpdateCapsule mechani 6 the UEFI UpdateCapsule mechanism described in section 7.5 of
7 the UEFI Standard. 7 the UEFI Standard.
8 Users: fwupdate - https://github.com/ 8 Users: fwupdate - https://github.com/rhinstaller/fwupdate
9 9
10 What: /sys/firmware/efi/esrt/fw_reso 10 What: /sys/firmware/efi/esrt/fw_resource_count
11 Date: February 2015 11 Date: February 2015
12 Contact: Peter Jones <pjones@redhat.com> 12 Contact: Peter Jones <pjones@redhat.com>
13 Description: The number of entries in the E 13 Description: The number of entries in the ESRT
14 14
15 What: /sys/firmware/efi/esrt/fw_reso 15 What: /sys/firmware/efi/esrt/fw_resource_count_max
16 Date: February 2015 16 Date: February 2015
17 Contact: Peter Jones <pjones@redhat.com> 17 Contact: Peter Jones <pjones@redhat.com>
18 Description: The maximum number of entries 18 Description: The maximum number of entries that /could/ be registered
19 in the allocation the table is 19 in the allocation the table is currently in. This is
20 really only useful to the syst 20 really only useful to the system firmware itself.
21 21
22 What: /sys/firmware/efi/esrt/fw_reso 22 What: /sys/firmware/efi/esrt/fw_resource_version
23 Date: February 2015 23 Date: February 2015
24 Contact: Peter Jones <pjones@redhat.com> 24 Contact: Peter Jones <pjones@redhat.com>
25 Description: The version of the ESRT struct 25 Description: The version of the ESRT structure provided by the firmware.
26 26
27 What: /sys/firmware/efi/esrt/entries !! 27 What: /sys/firmware/efi/esrt/entries/entry$N/
28 Date: February 2015 28 Date: February 2015
29 Contact: Peter Jones <pjones@redhat.com> 29 Contact: Peter Jones <pjones@redhat.com>
30 Description: Each ESRT entry is identified 30 Description: Each ESRT entry is identified by a GUID, and each gets a
31 subdirectory under entries/ . 31 subdirectory under entries/ .
32 example: /sys/firmware/efi/esr 32 example: /sys/firmware/efi/esrt/entries/entry0/
33 33
34 What: /sys/firmware/efi/esrt/entries !! 34 What: /sys/firmware/efi/esrt/entries/entry$N/fw_type
35 Date: February 2015 35 Date: February 2015
36 Contact: Peter Jones <pjones@redhat.com> 36 Contact: Peter Jones <pjones@redhat.com>
37 Description: What kind of firmware entry th 37 Description: What kind of firmware entry this is:
>> 38 0 - Unknown
>> 39 1 - System Firmware
>> 40 2 - Device Firmware
>> 41 3 - UEFI Driver
38 42
39 == =============== !! 43 What: /sys/firmware/efi/esrt/entries/entry$N/fw_class
40 0 Unknown <<
41 1 System Firmware <<
42 2 Device Firmware <<
43 3 UEFI Driver <<
44 == =============== <<
45 <<
46 What: /sys/firmware/efi/esrt/entries <<
47 Date: February 2015 44 Date: February 2015
48 Contact: Peter Jones <pjones@redhat.com> 45 Contact: Peter Jones <pjones@redhat.com>
49 Description: This is the entry's guid, and 46 Description: This is the entry's guid, and will match the directory name.
50 47
51 What: /sys/firmware/efi/esrt/entries !! 48 What: /sys/firmware/efi/esrt/entries/entry$N/fw_version
52 Date: February 2015 49 Date: February 2015
53 Contact: Peter Jones <pjones@redhat.com> 50 Contact: Peter Jones <pjones@redhat.com>
54 Description: The version of the firmware cu 51 Description: The version of the firmware currently installed. This is a
55 32-bit unsigned integer. 52 32-bit unsigned integer.
56 53
57 What: /sys/firmware/efi/esrt/entries !! 54 What: /sys/firmware/efi/esrt/entries/entry$N/lowest_supported_fw_version
58 Date: February 2015 55 Date: February 2015
59 Contact: Peter Jones <pjones@redhat.com> 56 Contact: Peter Jones <pjones@redhat.com>
60 Description: The lowest version of the firm 57 Description: The lowest version of the firmware that can be installed.
61 58
62 What: /sys/firmware/efi/esrt/entries !! 59 What: /sys/firmware/efi/esrt/entries/entry$N/capsule_flags
63 Date: February 2015 60 Date: February 2015
64 Contact: Peter Jones <pjones@redhat.com> 61 Contact: Peter Jones <pjones@redhat.com>
65 Description: Flags that must be passed to U 62 Description: Flags that must be passed to UpdateCapsule()
66 63
67 What: /sys/firmware/efi/esrt/entries !! 64 What: /sys/firmware/efi/esrt/entries/entry$N/last_attempt_version
68 Date: February 2015 65 Date: February 2015
69 Contact: Peter Jones <pjones@redhat.com> 66 Contact: Peter Jones <pjones@redhat.com>
70 Description: The last firmware version for 67 Description: The last firmware version for which an update was attempted.
71 68
72 What: /sys/firmware/efi/esrt/entries !! 69 What: /sys/firmware/efi/esrt/entries/entry$N/last_attempt_status
73 Date: February 2015 70 Date: February 2015
74 Contact: Peter Jones <pjones@redhat.com> 71 Contact: Peter Jones <pjones@redhat.com>
75 Description: The result of the last firmwar 72 Description: The result of the last firmware update attempt for the
76 firmware resource entry. 73 firmware resource entry.
77 !! 74 0 - Success
78 == ====================== !! 75 1 - Insufficient resources
79 0 Success !! 76 2 - Incorrect version
80 1 Insufficient resources !! 77 3 - Invalid format
81 2 Incorrect version !! 78 4 - Authentication error
82 3 Invalid format !! 79 5 - AC power event
83 4 Authentication error !! 80 6 - Battery power event
84 5 AC power event <<
85 6 Battery power event <<
86 == ====================== <<
87 81
Linux® is a registered trademark of Linus Torvalds in the United States and other countries.
TOMOYO® is a registered trademark of NTT DATA CORPORATION.