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