What: /sys/firmware/efi/esrt/
|
Date: February 2015
|
Contact: Peter Jones <pjones@redhat.com>
|
Description: Provides userland access to read the EFI System Resource Table
|
(ESRT), a catalog of firmware for which can be updated with
|
the UEFI UpdateCapsule mechanism described in section 7.5 of
|
the UEFI Standard.
|
Users: fwupdate - https://github.com/rhinstaller/fwupdate
|
|
What: /sys/firmware/efi/esrt/fw_resource_count
|
Date: February 2015
|
Contact: Peter Jones <pjones@redhat.com>
|
Description: The number of entries in the ESRT
|
|
What: /sys/firmware/efi/esrt/fw_resource_count_max
|
Date: February 2015
|
Contact: Peter Jones <pjones@redhat.com>
|
Description: The maximum number of entries that /could/ be registered
|
in the allocation the table is currently in. This is
|
really only useful to the system firmware itself.
|
|
What: /sys/firmware/efi/esrt/fw_resource_version
|
Date: February 2015
|
Contact: Peter Jones <pjones@redhat.com>
|
Description: The version of the ESRT structure provided by the firmware.
|
|
What: /sys/firmware/efi/esrt/entries/entry$N/
|
Date: February 2015
|
Contact: Peter Jones <pjones@redhat.com>
|
Description: Each ESRT entry is identified by a GUID, and each gets a
|
subdirectory under entries/ .
|
example: /sys/firmware/efi/esrt/entries/entry0/
|
|
What: /sys/firmware/efi/esrt/entries/entry$N/fw_type
|
Date: February 2015
|
Contact: Peter Jones <pjones@redhat.com>
|
Description: What kind of firmware entry this is:
|
0 - Unknown
|
1 - System Firmware
|
2 - Device Firmware
|
3 - UEFI Driver
|
|
What: /sys/firmware/efi/esrt/entries/entry$N/fw_class
|
Date: February 2015
|
Contact: Peter Jones <pjones@redhat.com>
|
Description: This is the entry's guid, and will match the directory name.
|
|
What: /sys/firmware/efi/esrt/entries/entry$N/fw_version
|
Date: February 2015
|
Contact: Peter Jones <pjones@redhat.com>
|
Description: The version of the firmware currently installed. This is a
|
32-bit unsigned integer.
|
|
What: /sys/firmware/efi/esrt/entries/entry$N/lowest_supported_fw_version
|
Date: February 2015
|
Contact: Peter Jones <pjones@redhat.com>
|
Description: The lowest version of the firmware that can be installed.
|
|
What: /sys/firmware/efi/esrt/entries/entry$N/capsule_flags
|
Date: February 2015
|
Contact: Peter Jones <pjones@redhat.com>
|
Description: Flags that must be passed to UpdateCapsule()
|
|
What: /sys/firmware/efi/esrt/entries/entry$N/last_attempt_version
|
Date: February 2015
|
Contact: Peter Jones <pjones@redhat.com>
|
Description: The last firmware version for which an update was attempted.
|
|
What: /sys/firmware/efi/esrt/entries/entry$N/last_attempt_status
|
Date: February 2015
|
Contact: Peter Jones <pjones@redhat.com>
|
Description: The result of the last firmware update attempt for the
|
firmware resource entry.
|
0 - Success
|
1 - Insufficient resources
|
2 - Incorrect version
|
3 - Invalid format
|
4 - Authentication error
|
5 - AC power event
|
6 - Battery power event
|
