1a0998eb1SDave YoungWhat: /sys/firmware/efi/fw_vendor 2a0998eb1SDave YoungDate: December 2013 3a0998eb1SDave YoungContact: Dave Young <dyoung@redhat.com> 4a0998eb1SDave YoungDescription: It shows the physical address of firmware vendor field in the 5a0998eb1SDave Young EFI system table. 6a0998eb1SDave YoungUsers: Kexec 7a0998eb1SDave Young 8a0998eb1SDave YoungWhat: /sys/firmware/efi/runtime 9a0998eb1SDave YoungDate: December 2013 10a0998eb1SDave YoungContact: Dave Young <dyoung@redhat.com> 11a0998eb1SDave YoungDescription: It shows the physical address of runtime service table entry in 12a0998eb1SDave Young the EFI system table. 13a0998eb1SDave YoungUsers: Kexec 14a0998eb1SDave Young 15a0998eb1SDave YoungWhat: /sys/firmware/efi/config_table 16a0998eb1SDave YoungDate: December 2013 17a0998eb1SDave YoungContact: Dave Young <dyoung@redhat.com> 18a0998eb1SDave YoungDescription: It shows the physical address of config table entry in the EFI 19a0998eb1SDave Young system table. 20a0998eb1SDave YoungUsers: Kexec 21c208358cSMatt Fleming 22c208358cSMatt FlemingWhat: /sys/firmware/efi/systab 23c208358cSMatt FlemingDate: April 2005 24c208358cSMatt FlemingContact: linux-efi@vger.kernel.org 25c208358cSMatt FlemingDescription: Displays the physical addresses of all EFI Configuration 26c208358cSMatt Fleming Tables found via the EFI System Table. The order in 27c208358cSMatt Fleming which the tables are printed forms an ABI and newer 28c208358cSMatt Fleming versions are always printed first, i.e. ACPI20 comes 29c208358cSMatt Fleming before ACPI. 30c208358cSMatt FlemingUsers: dmidecode 311c5fecb6SNarendra K 321c5fecb6SNarendra KWhat: /sys/firmware/efi/tables/rci2 331c5fecb6SNarendra KDate: July 2019 341c5fecb6SNarendra KContact: Narendra K <Narendra.K@dell.com>, linux-bugs@dell.com 351c5fecb6SNarendra KDescription: Displays the content of the Runtime Configuration Interface 361c5fecb6SNarendra K Table version 2 on Dell EMC PowerEdge systems in binary format 371c5fecb6SNarendra KUsers: It is used by Dell EMC OpenManage Server Administrator tool to 381c5fecb6SNarendra K populate BIOS setup page. 39*02eb7a8eSGerd Hoffmann 40*02eb7a8eSGerd HoffmannWhat: /sys/firmware/efi/ovmf_debug_log 41*02eb7a8eSGerd HoffmannDate: July 2025 42*02eb7a8eSGerd HoffmannContact: Gerd Hoffmann <kraxel@redhat.com>, linux-efi@vger.kernel.org 43*02eb7a8eSGerd HoffmannDescription: Displays the content of the OVMF debug log buffer. The file is 44*02eb7a8eSGerd Hoffmann only present in case the firmware supports logging to a memory 45*02eb7a8eSGerd Hoffmann buffer. 46