88 lines
		
	
	
		
			2.9 KiB
		
	
	
	
		
			Plaintext
		
	
	
	
	
	
			
		
		
	
	
			88 lines
		
	
	
		
			2.9 KiB
		
	
	
	
		
			Plaintext
		
	
	
	
	
	
| 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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| 
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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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| 
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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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| 
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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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| 
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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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| 
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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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| 		==  ===============
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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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| 
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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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| 
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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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| 
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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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| 
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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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| 
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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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| 
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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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| 		==  ======================
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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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| 
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