fwupd.conf(5) Configuration File Format fwupd.conf(5) NAME fwupd.conf - configuration file for the fwupd daemon. SYNOPSIS The /usr/local/etc/fwupd/fwupd.conf file is the main configuration file for the fwupd daemon. The complete description of the file format and possible parameters are documented here for reference purposes. FILE FORMAT The file consists of a multiple sections with optional parameters. Parame- ters are of the form: [section] key = value The file is line-based, each newline-terminated line represents either a comment, a section name or a parameter. Section and parameter names are case sensitive. Only the first equals sign in a parameter is significant. Whitespace be- fore or after the first equals sign is discarded as is leading and trailing whitespace in a parameter value. Internal whitespace within a parameter value is retained. Any line beginning with a hash (#) character is ignored, as are lines con- taining only whitespace. The values following the equals sign in parameters are all either a string (no quotes needed), unsigned integers, or a boolean, which may be given as true or false. Case is not significant in boolean values, but is preserved in string values. DAEMON PARAMETERS The [fwupd] section can contain the following parameters: DisabledDevices= Allow blocking specific devices by their GUID, using semicolons as delim- iter. DisabledPlugins= Allow blocking specific plugins by name. Use fwupdmgr get-plugins to get the list of plugins. ArchiveSizeMax= Maximum archive size that can be loaded in Mb, with 25% of the total sys- tem memory as the default. IdleTimeout=300 Idle time in seconds to shut down the daemon, where a value of 0 speci- fies anevera. NOTE: some plugins might inhibit the auto-shutdown, for instance thunder- bolt. IdleInhibitStartupThreshold=500 If the daemon takes more than this time to startup (in milliseconds) then inhibit the idle shutdown timer. A value of 0 specifies anevera. VerboseDomains= Comma separated list of domains to log in verbose mode. If unset, no domains are set to verbose. If set to a*a, all domains are verbose, which is the same as running the daemon with --verbose --verbose. UpdateMotd=true Update the message of the day (MOTD) on device and metadata changes. EnumerateAllDevices=false For some plugins, enumerate only devices supported by metadata. ApprovedFirmware= A list of firmware checksums that has been approved by the site admin If unset, all firmware is approved. UriSchemes=file;https;http;ipfs Allowed URI schemes in the preference order; failed downloads from the first scheme will be retried with the next in order until no choices re- main. IgnorePower=false Ignore power levels of devices when running updates. IgnoreRequirements=false Ignore some device requirements, for instance removing the generic GUID requirement of a CHID, child, parent or sibling. This is not recom- mended for production systems, although it may be useful for firmware de- velopment. IgnoreEfivarsFreeSpace=false Ignore the efivars free space requirement for db, dbx, KEK and PK up- dates. This may be required on Linux kernels older than 6.4, or where the hardware does not support UEFI RT->QueryVariableInfo. OnlyTrustPostQuantumSignatures=false Only trust post-quantum cryptographic signatures. This is only recom- mended when you are sure the firmware contains a valid PQ signature. OnlyTrusted=true Only support installing firmware signed with a trusted key. Do not set this to false on a production or trusted system. ShowDevicePrivate=true Show data such as device serial numbers which some users may consider private. TrustedUids= UIDs matching these values that call the D-Bus interface should marked as trusted. HostBkc= Comma separated list of best known configuration IDs to be used when us- ing fwupdmgr sync. This can downgrade firmware to factory versions or upgrade firmware to a supported config level. e.g. vendor-fac- tory-2021q1,mycompany-2023 ReleaseDedupe=true Deduplicate duplicate releases by the archive checksum are available from more than one source. ReleasePriority=local When the same version release is available from more than one source this option can be used to either prefer the local version (avoiding a poten- tially expensive download) or to prefer the remote version (which may have updated metadata such as release notes). The possible options are local or remote or empty to not make any adjust- ment to the policy, relying on the OrderAfter and OrderBefore sections in the remote. EspLocation= Set the preferred location used for the EFI system partition (ESP) path. This is typically used if UDisks was not able to automatically identify the location for any reason. RequireImmutableEnumeration=false Don't allow fwupd plugins to directly interact with devices during probe or setup stages. The kernel should provide all device information in sysfs files or udev properties. This will block some plugins from work- ing. Manufacturer= ProductName= ProductSku= Family= EnclosureKind= BaseboardProduct= BaseboardManufacturer= Override values for SMBIOS or Device Tree data on the local system. These are only required when the SMBIOS or Device Tree data is invalid, missing, or to simulate running on another system. Empty values should be used to populate blank entries or add values to populate specific en- tries. TrustedReports=VendorId=$OEM Vendor reports matching these expressions will have releases marked as trusted-report. Each *OR* section is delimited by a ; and each *AND* section delimited by &, e.g. * DistroId=chromeos Any report uploaded from ChromeOS is trusted. * DistroId=chromeos&RemoteId=lvfs Any report found in the lvfs remote uploaded from a ChromeOS machine is trusted. * DistroId=fedora&VendorId=19 Any report uploaded from Fedora 19 is trusted. * DistroId=fedora&VendorId=$OEM Any report uploaded from Fedora by the hardware OEM is trusted. * DistroId=fedora;DistroId=rhel&DistroVersion=9 Any report uploaded from Fedora (any version) or from RHEL 9 is trusted. NOTE: a VendorId of $OEM represents the OEM vendor ID of the vendor that owns the firmware, for example, where Lenovo QA has generated a signed report for a Lenovo laptop. There are also three os-release values available, $ID, $VERSION_ID and $VARIANT_ID, which allow expressions like: * DistroId=$ID * DistroId=$ID,DistroVersion=$VERSION_ID * Flags=is-upgrade,from-oem Any flags listed here must all be matched by the report. P2pPolicy=metadata This tells the daemon what peer-to-peer policy to use. For instance, us- ing Passim, an optional local caching service. Using peer-to-peer data might reduce the amount of bandwidth used on your network considerably. There are three possible values: * nothing: Do not publish any files * metadata: Only publish shared metadata that is common to each machine. * firmware: Only publish firmware archives after the next reboot of the ma- chine. At some point in the future fwupd will change the default to meta- data,firmware. TestDevices=false Create virtual test devices and remote for validating daemon flows. This is only intended for CI testing and development purposes. UEFI_CAPSULE PARAMETERS The [uefi_capsule] section can contain the following parameters: EnableGrubChainLoad=false Configure GRUB to launch fwupdx64.efi instead of using other methods such as NVRAM or Capsule-On-Disk. DisableShimForSecureBoot=false The shim loader is required to chainload the fwupd EFI binary unless the fwupd.efi file has been self-signed manually. RequireESPFreeSpace=0 Amount of free space required on the ESP, for example using 32 for 32Mb. By default this is dynamically set to at least twice the size of the pay- load. DisableCapsuleUpdateOnDisk=false Allow ignoring the CapsuleOnDisk support advertised by the firmware. EnableEfiDebugging=false Enable the low-level debugging of fwupdx64.efi to the FWUPDATE_DEBUG_LOG EFI variable. NOTE: enabling this option is going to fill up the NVRAM store much more quickly and should only be enabled when debugging an issue with the EFI binary. This value also has no affect when using Capsule-on-Disk as the EFI helper binary is not being used. RebootCleanup=true Delete any capsule files copy to the ESP, and remove any EFI variables set for the update. NOTE: disabling this option is only required when debugging the flash process and normal users should not need to change this setting. ScreenWidth=0 Override the screen width in pixels of the EFI framebuffer as used by the UX capsule. ScreenHeight=0 Override the screen height in pixels of the EFI framebuffer as used by the UX capsule. UEFI_DB PARAMETERS The [uefi_db] section can contain the following parameters: UpdateWindowsCA=false The flash space used by UEFI updates is limited -- if we update the Win- dows CA (when we're not dual-booted with Windows) then we are using the flash space we need for UEFI db and dbx updates. This setting forces the Windows UEFI certificate to be updatable even if Microsoft Windows is not detected. MSR PARAMETERS The [msr] section can contain the following parameter: MinimumSmeKernelVersion=5.18.0 Minimum kernel version to allow probing for sme flag. This only needs to be modified by enterprise kernels that have cherry picked the feature into a kernel with an old version number. REDFISH PARAMETERS The [redfish] section can contain the following parameters: Uri= The URI to the Redfish service in the format scheme://ip:port for in- stance https://192.168.0.133:443 Username= The username to use when connecting to the Redfish service. Password= The password to use when connecting to the Redfish service. BearerToken= The bearer token to use for authenticating to the Redfish service. CACheck=false Whether to verify the server certificate or not. This is turned off by default. BMCs using self-signed certificates will not work unless the plugin does not verify it against the system CAs. IpmiDisableCreateUser=false Do not use IPMI KCS to create an initial user account if no SMBIOS data. Setting this to true prevents creating user accounts on the BMC automati- cally. ManagerResetTimeout=1800 Amount of time in seconds to wait for a BMC restart. THUNDERBOLT PARAMETERS The [thunderbolt] section can contain the following parameters: MinimumKernelVersion=4.13.0 Minimum kernel version to allow use of this plugin. This only needs to be modified by enterprise kernels that have cherry picked the feature into a kernel with an old version number. DelayedActivation=false Forces delaying activation until shutdown/logout/reboot. DELL_KESTREL PARAMETERS The [dell_kestrel] section can contain the following parameters: UpdateOnDisconnect=true Delaying firmware activation until the dock cable is unplugged. TEST PARAMETERS The [test] section can contain the following parameters: AnotherWriteRequired=false Do two passes of the write function. CompositeChild=false If the device should have a child device. DecompressDelay=0 Delay in milliseconds to use when decompressing the test device. NeedsActivation=false If the device needs activating before deploying the update. NeedsReboot=false If the device needs a reboot before deploying the update. RegistrationSupported= If the device should register with other plugins. RequestDelay=10 Delay in milliseconds to use when requesting user input from the user. RequestSupported=false If the device interactive request is supported. VerifyDelay=0 Delay in milliseconds to use when verifying the test device. WriteDelay=0 Delay in milliseconds to use when writing the test device. WriteSupported= If the device write is supported. If unsupported the device write will not start. NOTES /usr/local/etc/fwupd/fwupd.conf may contain either hardcoded or autogener- ated credentials and must only be readable by the user that is running the fwupd process, which is typically root. SEE ALSO <fwupdmgr(1)> <fwupd-remotes.d(5)> 2.1.5 fwupd.conf(5)
NAME | SYNOPSIS | FILE FORMAT | DAEMON PARAMETERS | UEFI_CAPSULE PARAMETERS | UEFI_DB PARAMETERS | MSR PARAMETERS | REDFISH PARAMETERS | THUNDERBOLT PARAMETERS | DELL_KESTREL PARAMETERS | TEST PARAMETERS | NOTES | SEE ALSO
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