1*4882a593SmuzhiyunWhat: /sys/firmware/efi/esrt/ 2*4882a593SmuzhiyunDate: February 2015 3*4882a593SmuzhiyunContact: Peter Jones <pjones@redhat.com> 4*4882a593SmuzhiyunDescription: Provides userland access to read the EFI System Resource Table 5*4882a593Smuzhiyun (ESRT), a catalog of firmware for which can be updated with 6*4882a593Smuzhiyun the UEFI UpdateCapsule mechanism described in section 7.5 of 7*4882a593Smuzhiyun the UEFI Standard. 8*4882a593SmuzhiyunUsers: fwupdate - https://github.com/rhinstaller/fwupdate 9*4882a593Smuzhiyun 10*4882a593SmuzhiyunWhat: /sys/firmware/efi/esrt/fw_resource_count 11*4882a593SmuzhiyunDate: February 2015 12*4882a593SmuzhiyunContact: Peter Jones <pjones@redhat.com> 13*4882a593SmuzhiyunDescription: The number of entries in the ESRT 14*4882a593Smuzhiyun 15*4882a593SmuzhiyunWhat: /sys/firmware/efi/esrt/fw_resource_count_max 16*4882a593SmuzhiyunDate: February 2015 17*4882a593SmuzhiyunContact: Peter Jones <pjones@redhat.com> 18*4882a593SmuzhiyunDescription: The maximum number of entries that /could/ be registered 19*4882a593Smuzhiyun in the allocation the table is currently in. This is 20*4882a593Smuzhiyun really only useful to the system firmware itself. 21*4882a593Smuzhiyun 22*4882a593SmuzhiyunWhat: /sys/firmware/efi/esrt/fw_resource_version 23*4882a593SmuzhiyunDate: February 2015 24*4882a593SmuzhiyunContact: Peter Jones <pjones@redhat.com> 25*4882a593SmuzhiyunDescription: The version of the ESRT structure provided by the firmware. 26*4882a593Smuzhiyun 27*4882a593SmuzhiyunWhat: /sys/firmware/efi/esrt/entries/entry$N/ 28*4882a593SmuzhiyunDate: February 2015 29*4882a593SmuzhiyunContact: Peter Jones <pjones@redhat.com> 30*4882a593SmuzhiyunDescription: Each ESRT entry is identified by a GUID, and each gets a 31*4882a593Smuzhiyun subdirectory under entries/ . 32*4882a593Smuzhiyun example: /sys/firmware/efi/esrt/entries/entry0/ 33*4882a593Smuzhiyun 34*4882a593SmuzhiyunWhat: /sys/firmware/efi/esrt/entries/entry$N/fw_type 35*4882a593SmuzhiyunDate: February 2015 36*4882a593SmuzhiyunContact: Peter Jones <pjones@redhat.com> 37*4882a593SmuzhiyunDescription: What kind of firmware entry this is: 38*4882a593Smuzhiyun 39*4882a593Smuzhiyun == =============== 40*4882a593Smuzhiyun 0 Unknown 41*4882a593Smuzhiyun 1 System Firmware 42*4882a593Smuzhiyun 2 Device Firmware 43*4882a593Smuzhiyun 3 UEFI Driver 44*4882a593Smuzhiyun == =============== 45*4882a593Smuzhiyun 46*4882a593SmuzhiyunWhat: /sys/firmware/efi/esrt/entries/entry$N/fw_class 47*4882a593SmuzhiyunDate: February 2015 48*4882a593SmuzhiyunContact: Peter Jones <pjones@redhat.com> 49*4882a593SmuzhiyunDescription: This is the entry's guid, and will match the directory name. 50*4882a593Smuzhiyun 51*4882a593SmuzhiyunWhat: /sys/firmware/efi/esrt/entries/entry$N/fw_version 52*4882a593SmuzhiyunDate: February 2015 53*4882a593SmuzhiyunContact: Peter Jones <pjones@redhat.com> 54*4882a593SmuzhiyunDescription: The version of the firmware currently installed. This is a 55*4882a593Smuzhiyun 32-bit unsigned integer. 56*4882a593Smuzhiyun 57*4882a593SmuzhiyunWhat: /sys/firmware/efi/esrt/entries/entry$N/lowest_supported_fw_version 58*4882a593SmuzhiyunDate: February 2015 59*4882a593SmuzhiyunContact: Peter Jones <pjones@redhat.com> 60*4882a593SmuzhiyunDescription: The lowest version of the firmware that can be installed. 61*4882a593Smuzhiyun 62*4882a593SmuzhiyunWhat: /sys/firmware/efi/esrt/entries/entry$N/capsule_flags 63*4882a593SmuzhiyunDate: February 2015 64*4882a593SmuzhiyunContact: Peter Jones <pjones@redhat.com> 65*4882a593SmuzhiyunDescription: Flags that must be passed to UpdateCapsule() 66*4882a593Smuzhiyun 67*4882a593SmuzhiyunWhat: /sys/firmware/efi/esrt/entries/entry$N/last_attempt_version 68*4882a593SmuzhiyunDate: February 2015 69*4882a593SmuzhiyunContact: Peter Jones <pjones@redhat.com> 70*4882a593SmuzhiyunDescription: The last firmware version for which an update was attempted. 71*4882a593Smuzhiyun 72*4882a593SmuzhiyunWhat: /sys/firmware/efi/esrt/entries/entry$N/last_attempt_status 73*4882a593SmuzhiyunDate: February 2015 74*4882a593SmuzhiyunContact: Peter Jones <pjones@redhat.com> 75*4882a593SmuzhiyunDescription: The result of the last firmware update attempt for the 76*4882a593Smuzhiyun firmware resource entry. 77*4882a593Smuzhiyun 78*4882a593Smuzhiyun == ====================== 79*4882a593Smuzhiyun 0 Success 80*4882a593Smuzhiyun 1 Insufficient resources 81*4882a593Smuzhiyun 2 Incorrect version 82*4882a593Smuzhiyun 3 Invalid format 83*4882a593Smuzhiyun 4 Authentication error 84*4882a593Smuzhiyun 5 AC power event 85*4882a593Smuzhiyun 6 Battery power event 86*4882a593Smuzhiyun == ====================== 87*4882a593Smuzhiyun 88