diff options
Diffstat (limited to 'doc')
| -rw-r--r-- | doc/guix.texi | 731 |
1 files changed, 678 insertions, 53 deletions
diff --git a/doc/guix.texi b/doc/guix.texi index 683ef6c5cd..2bf1e1e037 100644 --- a/doc/guix.texi +++ b/doc/guix.texi @@ -33,7 +33,8 @@ Copyright @copyright{} 2016 Alex ter Weele@* Copyright @copyright{} 2017 Clément Lassieur@* Copyright @copyright{} 2017 Mathieu Othacehe@* Copyright @copyright{} 2017 Federico Beffa@* -Copyright @copyright{} 2017 Carlo Zancanaro +Copyright @copyright{} 2017 Carlo Zancanaro@* +Copyright @copyright{} 2017 Thomas Danckaert Permission is granted to copy, distribute and/or modify this document under the terms of the GNU Free Documentation License, Version 1.3 or @@ -216,6 +217,7 @@ Services * VPN Services:: VPN daemons. * Network File System:: NFS related services. * Continuous Integration:: The Cuirass service. +* Power management Services:: The TLP tool. * Miscellaneous Services:: Other services. Defining Services @@ -6551,9 +6553,9 @@ primarily for debugging a running @command{guix publish} server. @end table Enabling @command{guix publish} on a GuixSD system is a one-liner: just -add a call to @code{guix-publish-service} in the @code{services} field -of the @code{operating-system} declaration (@pxref{guix-publish-service, -@code{guix-publish-service}}). +instantiate a @code{guix-publish-service-type} service in the @code{services} field +of the @code{operating-system} declaration (@pxref{guix-publish-service-type, +@code{guix-publish-service-type}}). If you are instead running Guix on a ``foreign distro'', follow these instructions:” @@ -8456,6 +8458,7 @@ declaration. * VPN Services:: VPN daemons. * Network File System:: NFS related services. * Continuous Integration:: The Cuirass service. +* Power management Services:: The TLP tool. * Miscellaneous Services:: Other services. @end menu @@ -9012,17 +9015,43 @@ uses the @code{ps2} protocol, which works for both USB and PS/2 mice. This service is not part of @var{%base-services}. @end deffn -@anchor{guix-publish-service} -@deffn {Scheme Procedure} guix-publish-service [#:guix @var{guix}] @ - [#:port 80] [#:host "localhost"] -Return a service that runs @command{guix publish} listening on @var{host} -and @var{port} (@pxref{Invoking guix publish}). +@anchor{guix-publish-service-type} +@deffn {Scheme Variable} guix-publish-service-type @var{config} +This is the service type for @command{guix publish} (@pxref{Invoking +guix publish}). @var{config} must be a @code{guix-configuration} +object, as described below. This assumes that @file{/etc/guix} already contains a signing key pair as created by @command{guix archive --generate-key} (@pxref{Invoking guix archive}). If that is not the case, the service will fail to start. @end deffn +@deftp {Data Type} guix-publish-configuration +Data type representing the configuration of the @code{guix publish} +service. + +@table @asis +@item @code{guix} (default: @code{guix}) +The Guix package to use. + +@item @code{port} (default: @code{80}) +The TCP port to listen for connections. + +@item @code{host} (default: @code{"localhost"}) +The host (and thus, network interface) to listen to. Use +@code{"0.0.0.0"} to listen on all the network interfaces. + +@item @code{compression-level} (default: @code{3}) +The gzip compression level at which substitutes are compressed. Use +@code{0} to disable compression altogether, and @code{9} to get the best +compression ratio at the expense of increased CPU usage. + +@item @code{nar-path} (default: @code{"nar"}) +The URL path at which ``nars'' can be fetched. @xref{Invoking guix +publish, @code{--nar-path}}, for details. +@end table +@end deftp + @anchor{rngd-service} @deffn {Scheme Procedure} rngd-service [#:rng-tools @var{rng-tools}] @ [#:device "/dev/hwrng"] @@ -9377,6 +9406,99 @@ make an initial adjustment of more than 1,000 seconds. List of host names used as the default NTP servers. @end defvr +@cindex inetd +@deffn {Scheme variable} inetd-service-type +This service runs the @command{inetd} (@pxref{inetd invocation,,, +inetutils, GNU Inetutils}) daemon. @command{inetd} listens for +connections on internet sockets, and lazily starts the specified server +program when a connection is made on one of these sockets. + +The value of this service is an @code{inetd-configuration} object. The +following example configures the @command{inetd} daemon to provide the +built-in @command{echo} service, as well as an smtp service which +forwards smtp traffic over ssh to a server @code{smtp-server} behind a +gateway @code{hostname}: + +@example +(service + inetd-service-type + (inetd-configuration + (entries (list + (inetd-entry + (name "echo") + (socket-type 'stream) + (protocol "tcp") + (wait? #f) + (user "root")) + (inetd-entry + (node "127.0.0.1") + (name "smtp") + (socket-type 'stream) + (protocol "tcp") + (wait? #f) + (user "root") + (program (file-append openssh "/bin/ssh")) + (arguments + '("ssh" "-qT" "-i" "/path/to/ssh_key" + "-W" "smtp-server:25" "user@@hostname"))))) +@end example + +See below for more details about @code{inetd-configuration}. +@end deffn + +@deftp {Data Type} inetd-configuration +Data type representing the configuration of @command{inetd}. + +@table @asis +@item @code{program} (default: @code{(file-append inetutils "/libexec/inetd")}) +The @command{inetd} executable to use. + +@item @code{entries} (default: @code{'()}) +A list of @command{inetd} service entries. Each entry should be created +by the @code{inetd-entry} constructor. +@end table +@end deftp + +@deftp {Data Type} inetd-entry +Data type representing an entry in the @command{inetd} configuration. +Each entry corresponds to a socket where @command{inetd} will listen for +requests. + +@table @asis +@item @code{node} (default: @code{#f}) +Optional string, a comma-separated list of local addresses +@command{inetd} should use when listening for this service. +@xref{Configuration file,,, inetutils, GNU Inetutils} for a complete +description of all options. +@item @code{name} +A string, the name must correspond to an entry in @code{/etc/services}. +@item @code{socket-type} +One of @code{'stream}, @code{'dgram}, @code{'raw}, @code{'rdm} or +@code{'seqpacket}. +@item @code{protocol} +A string, must correspond to an entry in @code{/etc/protocols}. +@item @code{wait?} (default: @code{#t}) +Whether @command{inetd} should wait for the server to exit before +listening to new service requests. +@item @code{user} +A string containing the user (and, optionally, group) name of the user +as whom the server should run. The group name can be specified in a +suffix, separated by a colon or period, i.e. @code{"user"}, +@code{"user:group"} or @code{"user.group"}. +@item @code{program} (default: @code{"internal"}) +The server program which will serve the requests, or @code{"internal"} +if @command{inetd} should use a built-in service. +@item @code{arguments} (default: @code{'()}) +A list strings or file-like objects, which are the server program's +arguments, starting with the zeroth argument, i.e. the name of the +program itself. For @command{inetd}'s internal services, this entry +must be @code{'()} or @code{'("internal")}. +@end table + +@xref{Configuration file,,, inetutils, GNU Inetutils} for a more +detailed discussion of each configuration field. +@end deftp + @cindex Tor @deffn {Scheme Procedure} tor-service [@var{config-file}] [#:tor @var{tor}] Return a service to run the @uref{https://torproject.org, Tor} anonymous @@ -13090,19 +13212,19 @@ Both can be run simultaneously. Available @code{openvpn-client-configuration} fields are: -@deftypevr @code{openvpn-client-configuration} parameter package openvpn +@deftypevr {@code{openvpn-client-configuration} parameter} package openvpn The OpenVPN package. @end deftypevr -@deftypevr @code{openvpn-client-configuration} parameter string pid-file +@deftypevr {@code{openvpn-client-configuration} parameter} string pid-file The OpenVPN pid file. Defaults to @samp{"/var/run/openvpn/openvpn.pid"}. @end deftypevr -@deftypevr @code{openvpn-client-configuration} parameter proto proto +@deftypevr {@code{openvpn-client-configuration} parameter} proto proto The protocol (UDP or TCP) used to open a channel between clients and servers. @@ -13110,21 +13232,21 @@ Defaults to @samp{udp}. @end deftypevr -@deftypevr @code{openvpn-client-configuration} parameter dev dev +@deftypevr {@code{openvpn-client-configuration} parameter} dev dev The device type used to represent the VPN connection. Defaults to @samp{tun}. @end deftypevr -@deftypevr @code{openvpn-client-configuration} parameter string ca +@deftypevr {@code{openvpn-client-configuration} parameter} string ca The certificate authority to check connections against. Defaults to @samp{"/etc/openvpn/ca.crt"}. @end deftypevr -@deftypevr @code{openvpn-client-configuration} parameter string cert +@deftypevr {@code{openvpn-client-configuration} parameter} string cert The certificate of the machine the daemon is running on. It should be signed by the authority given in @code{ca}. @@ -13132,7 +13254,7 @@ Defaults to @samp{"/etc/openvpn/client.crt"}. @end deftypevr -@deftypevr @code{openvpn-client-configuration} parameter string key +@deftypevr {@code{openvpn-client-configuration} parameter} string key The key of the machine the daemon is running on. It must be the key whose certificate is @code{cert}. @@ -13140,21 +13262,21 @@ Defaults to @samp{"/etc/openvpn/client.key"}. @end deftypevr -@deftypevr @code{openvpn-client-configuration} parameter boolean comp-lzo? +@deftypevr {@code{openvpn-client-configuration} parameter} boolean comp-lzo? Whether to use the lzo compression algorithm. Defaults to @samp{#t}. @end deftypevr -@deftypevr @code{openvpn-client-configuration} parameter boolean persist-key? +@deftypevr {@code{openvpn-client-configuration} parameter} boolean persist-key? Don't re-read key files across SIGUSR1 or --ping-restart. Defaults to @samp{#t}. @end deftypevr -@deftypevr @code{openvpn-client-configuration} parameter boolean persist-tun? +@deftypevr {@code{openvpn-client-configuration} parameter} boolean persist-tun? Don't close and reopen TUN/TAP device or run up/down scripts across SIGUSR1 or --ping-restart restarts. @@ -13162,14 +13284,14 @@ Defaults to @samp{#t}. @end deftypevr -@deftypevr @code{openvpn-client-configuration} parameter number verbosity +@deftypevr {@code{openvpn-client-configuration} parameter} number verbosity Verbosity level. Defaults to @samp{3}. @end deftypevr -@deftypevr @code{openvpn-client-configuration} parameter tls-auth-client tls-auth +@deftypevr {@code{openvpn-client-configuration} parameter} tls-auth-client tls-auth Add an additional layer of HMAC authentication on top of the TLS control channel to protect against DoS attacks. @@ -13177,42 +13299,42 @@ Defaults to @samp{#f}. @end deftypevr -@deftypevr @code{openvpn-client-configuration} parameter key-usage verify-key-usage? +@deftypevr {@code{openvpn-client-configuration} parameter} key-usage verify-key-usage? Whether to check the server certificate has server usage extension. Defaults to @samp{#t}. @end deftypevr -@deftypevr @code{openvpn-client-configuration} parameter bind bind? +@deftypevr {@code{openvpn-client-configuration} parameter} bind bind? Bind to a specific local port number. Defaults to @samp{#f}. @end deftypevr -@deftypevr @code{openvpn-client-configuration} parameter resolv-retry resolv-retry? +@deftypevr {@code{openvpn-client-configuration} parameter} resolv-retry resolv-retry? Retry resolving server address. Defaults to @samp{#t}. @end deftypevr -@deftypevr @code{openvpn-client-configuration} parameter openvpn-remote-list remote +@deftypevr {@code{openvpn-client-configuration} parameter} openvpn-remote-list remote A list of remote servers to connect to. Defaults to @samp{()}. Available @code{openvpn-remote-configuration} fields are: -@deftypevr @code{openvpn-remote-configuration} parameter string name +@deftypevr {@code{openvpn-remote-configuration} parameter} string name Server name. Defaults to @samp{"my-server"}. @end deftypevr -@deftypevr @code{openvpn-remote-configuration} parameter number port +@deftypevr {@code{openvpn-remote-configuration} parameter} number port Port number the server listens to. Defaults to @samp{1194}. @@ -13226,19 +13348,19 @@ Defaults to @samp{1194}. Available @code{openvpn-server-configuration} fields are: -@deftypevr @code{openvpn-server-configuration} parameter package openvpn +@deftypevr {@code{openvpn-server-configuration} parameter} package openvpn The OpenVPN package. @end deftypevr -@deftypevr @code{openvpn-server-configuration} parameter string pid-file +@deftypevr {@code{openvpn-server-configuration} parameter} string pid-file The OpenVPN pid file. Defaults to @samp{"/var/run/openvpn/openvpn.pid"}. @end deftypevr -@deftypevr @code{openvpn-server-configuration} parameter proto proto +@deftypevr {@code{openvpn-server-configuration} parameter} proto proto The protocol (UDP or TCP) used to open a channel between clients and servers. @@ -13246,21 +13368,21 @@ Defaults to @samp{udp}. @end deftypevr -@deftypevr @code{openvpn-server-configuration} parameter dev dev +@deftypevr {@code{openvpn-server-configuration} parameter} dev dev The device type used to represent the VPN connection. Defaults to @samp{tun}. @end deftypevr -@deftypevr @code{openvpn-server-configuration} parameter string ca +@deftypevr {@code{openvpn-server-configuration} parameter} string ca The certificate authority to check connections against. Defaults to @samp{"/etc/openvpn/ca.crt"}. @end deftypevr -@deftypevr @code{openvpn-server-configuration} parameter string cert +@deftypevr {@code{openvpn-server-configuration} parameter} string cert The certificate of the machine the daemon is running on. It should be signed by the authority given in @code{ca}. @@ -13268,7 +13390,7 @@ Defaults to @samp{"/etc/openvpn/client.crt"}. @end deftypevr -@deftypevr @code{openvpn-server-configuration} parameter string key +@deftypevr {@code{openvpn-server-configuration} parameter} string key The key of the machine the daemon is running on. It must be the key whose certificate is @code{cert}. @@ -13276,21 +13398,21 @@ Defaults to @samp{"/etc/openvpn/client.key"}. @end deftypevr -@deftypevr @code{openvpn-server-configuration} parameter boolean comp-lzo? +@deftypevr {@code{openvpn-server-configuration} parameter} boolean comp-lzo? Whether to use the lzo compression algorithm. Defaults to @samp{#t}. @end deftypevr -@deftypevr @code{openvpn-server-configuration} parameter boolean persist-key? +@deftypevr {@code{openvpn-server-configuration} parameter} boolean persist-key? Don't re-read key files across SIGUSR1 or --ping-restart. Defaults to @samp{#t}. @end deftypevr -@deftypevr @code{openvpn-server-configuration} parameter boolean persist-tun? +@deftypevr {@code{openvpn-server-configuration} parameter} boolean persist-tun? Don't close and reopen TUN/TAP device or run up/down scripts across SIGUSR1 or --ping-restart restarts. @@ -13298,14 +13420,14 @@ Defaults to @samp{#t}. @end deftypevr -@deftypevr @code{openvpn-server-configuration} parameter number verbosity +@deftypevr {@code{openvpn-server-configuration} parameter} number verbosity Verbosity level. Defaults to @samp{3}. @end deftypevr -@deftypevr @code{openvpn-server-configuration} parameter tls-auth-server tls-auth +@deftypevr {@code{openvpn-server-configuration} parameter} tls-auth-server tls-auth Add an additional layer of HMAC authentication on top of the TLS control channel to protect against DoS attacks. @@ -13313,56 +13435,56 @@ Defaults to @samp{#f}. @end deftypevr -@deftypevr @code{openvpn-server-configuration} parameter number port +@deftypevr {@code{openvpn-server-configuration} parameter} number port Specifies the port number on which the server listens. Defaults to @samp{1194}. @end deftypevr -@deftypevr @code{openvpn-server-configuration} parameter ip-mask server +@deftypevr {@code{openvpn-server-configuration} parameter} ip-mask server An ip and mask specifying the subnet inside the virtual network. Defaults to @samp{"10.8.0.0 255.255.255.0"}. @end deftypevr -@deftypevr @code{openvpn-server-configuration} parameter cidr6 server-ipv6 +@deftypevr {@code{openvpn-server-configuration} parameter} cidr6 server-ipv6 A CIDR notation specifying the IPv6 subnet inside the virtual network. Defaults to @samp{#f}. @end deftypevr -@deftypevr @code{openvpn-server-configuration} parameter string dh +@deftypevr {@code{openvpn-server-configuration} parameter} string dh The Diffie-Hellman parameters file. Defaults to @samp{"/etc/openvpn/dh2048.pem"}. @end deftypevr -@deftypevr @code{openvpn-server-configuration} parameter string ifconfig-pool-persist +@deftypevr {@code{openvpn-server-configuration} parameter} string ifconfig-pool-persist The file that records client IPs. Defaults to @samp{"/etc/openvpn/ipp.txt"}. @end deftypevr -@deftypevr @code{openvpn-server-configuration} parameter gateway redirect-gateway? +@deftypevr {@code{openvpn-server-configuration} parameter} gateway redirect-gateway? When true, the server will act as a gateway for its clients. Defaults to @samp{#f}. @end deftypevr -@deftypevr @code{openvpn-server-configuration} parameter boolean client-to-client? +@deftypevr {@code{openvpn-server-configuration} parameter} boolean client-to-client? When true, clients are alowed to talk to each other inside the VPN. Defaults to @samp{#f}. @end deftypevr -@deftypevr @code{openvpn-server-configuration} parameter keepalive keepalive +@deftypevr {@code{openvpn-server-configuration} parameter} keepalive keepalive Causes ping-like messages to be sent back and forth over the link so that each side knows when the other side has gone down. @code{keepalive} requires a pair. The first element is the period of the ping sending, @@ -13371,14 +13493,14 @@ down. @end deftypevr -@deftypevr @code{openvpn-server-configuration} parameter number max-clients +@deftypevr {@code{openvpn-server-configuration} parameter} number max-clients The maximum number of clients. Defaults to @samp{100}. @end deftypevr -@deftypevr @code{openvpn-server-configuration} parameter string status +@deftypevr {@code{openvpn-server-configuration} parameter} string status The status file. This file shows a small report on current connection. It is trunkated and rewritten every minute. @@ -13386,28 +13508,28 @@ Defaults to @samp{"/var/run/openvpn/status"}. @end deftypevr -@deftypevr @code{openvpn-server-configuration} parameter openvpn-ccd-list client-config-dir +@deftypevr {@code{openvpn-server-configuration} parameter} openvpn-ccd-list client-config-dir The list of configuration for some clients. Defaults to @samp{()}. Available @code{openvpn-ccd-configuration} fields are: -@deftypevr @code{openvpn-ccd-configuration} parameter string name +@deftypevr {@code{openvpn-ccd-configuration} parameter} string name Client name. Defaults to @samp{"client"}. @end deftypevr -@deftypevr @code{openvpn-ccd-configuration} parameter ip-mask iroute +@deftypevr {@code{openvpn-ccd-configuration} parameter} ip-mask iroute Client own network Defaults to @samp{#f}. @end deftypevr -@deftypevr @code{openvpn-ccd-configuration} parameter ip-mask ifconfig-push +@deftypevr {@code{openvpn-ccd-configuration} parameter} ip-mask ifconfig-push Client VPN IP. Defaults to @samp{#f}. @@ -13687,6 +13809,509 @@ The Cuirass package to use. @end table @end deftp +@node Power management Services +@subsubsection Power management Services + +@cindex power management with TLP +The @code{(gnu services pm)} module provides a Guix service definition +for the Linux power management tool TLP. + +TLP enables various powersaving modes in userspace and kernel. +Contrary to @code{upower-service}, it is not a passive, +monitoring tool, as it will apply custom settings each time a new power +source is detected. More information can be found at +@uref{http://linrunner.de/en/tlp/tlp.html, TLP home page}. + +@deffn {Scheme Variable} tlp-service-type +The service type for the TLP tool. Its value should be a valid +TLP configuration (see below). For example: +@example +(service tlp-service-type (tlp-configuration)) +@end example +@end deffn + +By default TLP does not need much configuration but most TLP parameters +can be tweaked using @code{tlp-configuration}. + +Each parameter definition is preceded by its type; for example, +@samp{boolean foo} indicates that the @code{foo} parameter +should be specified as a boolean. Types starting with +@code{maybe-} denote parameters that won't show up in TLP config file +when their value is @code{'disabled}. + +@c The following documentation was initially generated by +@c (generate-tlp-documentation) in (gnu services pm). Manually maintained +@c documentation is better, so we shouldn't hesitate to edit below as +@c needed. However if the change you want to make to this documentation +@c can be done in an automated way, it's probably easier to change +@c (generate-documentation) than to make it below and have to deal with +@c the churn as TLP updates. + +Available @code{tlp-configuration} fields are: + +@deftypevr {@code{tlp-configuration} parameter} package tlp +The TLP package. + +@end deftypevr + +@deftypevr {@code{tlp-configuration} parameter} boolean tlp-enable? +Set to true if you wish to enable TLP. + +Defaults to @samp{#t}. + +@end deftypevr + +@deftypevr {@code{tlp-configuration} parameter} string tlp-default-mode +Default mode when no power supply can be detected. Alternatives are AC +and BAT. + +Defaults to @samp{"AC"}. + +@end deftypevr + +@deftypevr {@code{tlp-configuration} parameter} non-negative-integer disk-idle-secs-on-ac +Number of seconds Linux kernel has to wait after the disk goes idle, +before syncing on AC. + +Defaults to @samp{0}. + +@end deftypevr + +@deftypevr {@code{tlp-configuration} parameter} non-negative-integer disk-idle-secs-on-bat +Same as @code{disk-idle-ac} but on BAT mode. + +Defaults to @samp{2}. + +@end deftypevr + +@deftypevr {@code{tlp-configuration} parameter} non-negative-integer max-lost-work-secs-on-ac +Dirty pages flushing periodicity, expressed in seconds. + +Defaults to @samp{15}. + +@end deftypevr + +@deftypevr {@code{tlp-configuration} parameter} non-negative-integer max-lost-work-secs-on-bat +Same as @code{max-lost-work-secs-on-ac} but on BAT mode. + +Defaults to @samp{60}. + +@end deftypevr + +@deftypevr {@code{tlp-configuration} parameter} maybe-space-separated-string-list cpu-scaling-governor-on-ac +CPU frequency scaling governor on AC mode. With intel_pstate driver, +alternatives are powersave and performance. With acpi-cpufreq driver, +alternatives are ondemand, powersave, performance and conservative. + +Defaults to @samp{disabled}. + +@end deftypevr + +@deftypevr {@code{tlp-configuration} parameter} maybe-space-separated-string-list cpu-scaling-governor-on-bat +Same as @code{cpu-scaling-governor-on-ac} but on BAT mode. + +Defaults to @samp{disabled}. + +@end deftypevr + +@deftypevr {@code{tlp-configuration} parameter} maybe-non-negative-integer cpu-scaling-min-freq-on-ac +Set the min available frequency for the scaling governor on AC. + +Defaults to @samp{disabled}. + +@end deftypevr + +@deftypevr {@code{tlp-configuration} parameter} maybe-non-negative-integer cpu-scaling-max-freq-on-ac +Set the max available frequency for the scaling governor on AC. + +Defaults to @samp{disabled}. + +@end deftypevr + +@deftypevr {@code{tlp-configuration} parameter} maybe-non-negative-integer cpu-scaling-min-freq-on-bat +Set the min available frequency for the scaling governor on BAT. + +Defaults to @samp{disabled}. + +@end deftypevr + +@deftypevr {@code{tlp-configuration} parameter} maybe-non-negative-integer cpu-scaling-max-freq-on-bat +Set the max available frequency for the scaling governor on BAT. + +Defaults to @samp{disabled}. + +@end deftypevr + +@deftypevr {@code{tlp-configuration} parameter} maybe-non-negative-integer cpu-min-perf-on-ac +Limit the min P-state to control the power dissipation of the CPU, in AC +mode. Values are stated as a percentage of the available performance. + +Defaults to @samp{disabled}. + +@end deftypevr + +@deftypevr {@code{tlp-configuration} parameter} maybe-non-negative-integer cpu-max-perf-on-ac +Limit the max P-state to control the power dissipation of the CPU, in AC +mode. Values are stated as a percentage of the available performance. + +Defaults to @samp{disabled}. + +@end deftypevr + +@deftypevr {@code{tlp-configuration} parameter} maybe-non-negative-integer cpu-min-perf-on-bat +Same as @code{cpu-min-perf-on-ac} on BAT mode. + +Defaults to @samp{disabled}. + +@end deftypevr + +@deftypevr {@code{tlp-configuration} parameter} maybe-non-negative-integer cpu-max-perf-on-bat +Same as @code{cpu-max-perf-on-ac} on BAT mode. + +Defaults to @samp{disabled}. + +@end deftypevr + +@deftypevr {@code{tlp-configuration} parameter} maybe-boolean cpu-boost-on-ac? +Enable CPU turbo boost feature on AC mode. + +Defaults to @samp{disabled}. + +@end deftypevr + +@deftypevr {@code{tlp-configuration} parameter} maybe-boolean cpu-boost-on-bat? +Same as @code{cpu-boost-on-ac?} on BAT mode. + +Defaults to @samp{disabled}. + +@end deftypevr + +@deftypevr {@code{tlp-configuration} parameter} boolean sched-powersave-on-ac? +Allow Linux kernel to minimize the number of CPU cores/hyper-threads +used under light load conditions. + +Defaults to @samp{#f}. + +@end deftypevr + +@deftypevr {@code{tlp-configuration} parameter} boolean sched-powersave-on-bat? +Same as @code{sched-powersave-on-ac?} but on BAT mode. + +Defaults to @samp{#t}. + +@end deftypevr + +@deftypevr {@code{tlp-configuration} parameter} boolean nmi-watchdog? +Enable Linux kernel NMI watchdog. + +Defaults to @samp{#f}. + +@end deftypevr + +@deftypevr {@code{tlp-configuration} parameter} maybe-string phc-controls +For Linux kernels with PHC patch applied, change CPU voltages. An +example value would be @samp{"F:V F:V F:V F:V"}. + +Defaults to @samp{disabled}. + +@end deftypevr + +@deftypevr {@code{tlp-configuration} parameter} string energy-perf-policy-on-ac +Set CPU performance versus energy saving policy on AC. Alternatives are +performance, normal, powersave. + +Defaults to @samp{"performance"}. + +@end deftypevr + +@deftypevr {@code{tlp-configuration} parameter} string energy-perf-policy-on-bat +Same as @code{energy-perf-policy-ac} but on BAT mode. + +Defaults to @samp{"powersave"}. + +@end deftypevr + +@deftypevr {@code{tlp-configuration} parameter} space-separated-string-list disks-devices +Hard disk devices. + +@end deftypevr + +@deftypevr {@code{tlp-configuration} parameter} space-separated-string-list disk-apm-level-on-ac +Hard disk advanced power management level. + +@end deftypevr + +@deftypevr {@code{tlp-configuration} parameter} space-separated-string-list disk-apm-level-on-bat +Same as @code{disk-apm-bat} but on BAT mode. + +@end deftypevr + +@deftypevr {@code{tlp-configuration} parameter} maybe-space-separated-string-list disk-spindown-timeout-on-ac +Hard disk spin down timeout. One value has to be specified for each +declared hard disk. + +Defaults to @samp{disabled}. + +@end deftypevr + +@deftypevr {@code{tlp-configuration} parameter} maybe-space-separated-string-list disk-spindown-timeout-on-bat +Same as @code{disk-spindown-timeout-on-ac} but on BAT mode. + +Defaults to @samp{disabled}. + +@end deftypevr + +@deftypevr {@code{tlp-configuration} parameter} maybe-space-separated-string-list disk-iosched +Select IO scheduler for disk devices. One value has to be specified for +each declared hard disk. Example alternatives are cfq, deadline and +noop. + +Defaults to @samp{disabled}. + +@end deftypevr + +@deftypevr {@code{tlp-configuration} parameter} string sata-linkpwr-on-ac +SATA aggressive link power management (ALPM) level. Alternatives are +min_power, medium_power, max_performance. + +Defaults to @samp{"max_performance"}. + +@end deftypevr + +@deftypevr {@code{tlp-configuration} parameter} string sata-linkpwr-on-bat +Same as @code{sata-linkpwr-ac} but on BAT mode. + +Defaults to @samp{"min_power"}. + +@end deftypevr + +@deftypevr {@code{tlp-configuration} parameter} maybe-string sata-linkpwr-blacklist +Exclude specified SATA host devices for link power management. + +Defaults to @samp{disabled}. + +@end deftypevr + +@deftypevr {@code{tlp-configuration} parameter} maybe-on-off-boolean ahci-runtime-pm-on-ac? +Enable Runtime Power Management for AHCI controller and disks on AC +mode. + +Defaults to @samp{disabled}. + +@end deftypevr + +@deftypevr {@code{tlp-configuration} parameter} maybe-on-off-boolean ahci-runtime-pm-on-bat? +Same as @code{ahci-runtime-pm-on-ac} on BAT mode. + +Defaults to @samp{disabled}. + +@end deftypevr + +@deftypevr {@code{tlp-configuration} parameter} non-negative-integer ahci-runtime-pm-timeout +Seconds of inactivity before disk is suspended. + +Defaults to @samp{15}. + +@end deftypevr + +@deftypevr {@code{tlp-configuration} parameter} string pcie-aspm-on-ac +PCI Express Active State Power Management level. Alternatives are +default, performance, powersave. + +Defaults to @samp{"performance"}. + +@end deftypevr + +@deftypevr {@code{tlp-configuration} parameter} string pcie-aspm-on-bat +Same as @code{pcie-aspm-ac} but on BAT mode. + +Defaults to @samp{"powersave"}. + +@end deftypevr + +@deftypevr {@code{tlp-configuration} parameter} string radeon-power-profile-on-ac +Radeon graphics clock speed level. Alternatives are low, mid, high, +auto, default. + +Defaults to @samp{"high"}. + +@end deftypevr + +@deftypevr {@code{tlp-configuration} parameter} string radeon-power-profile-on-bat +Same as @code{radeon-power-ac} but on BAT mode. + +Defaults to @samp{"low"}. + +@end deftypevr + +@deftypevr {@code{tlp-configuration} parameter} string radeon-dpm-state-on-ac +Radeon dynamic power management method (DPM). Alternatives are battery, +performance. + +Defaults to @samp{"performance"}. + +@end deftypevr + +@deftypevr {@code{tlp-configuration} parameter} string radeon-dpm-state-on-bat +Same as @code{radeon-dpm-state-ac} but on BAT mode. + +Defaults to @samp{"battery"}. + +@end deftypevr + +@deftypevr {@code{tlp-configuration} parameter} string radeon-dpm-perf-level-on-ac +Radeon DPM performance level. Alternatives are auto, low, high. + +Defaults to @samp{"auto"}. + +@end deftypevr + +@deftypevr {@code{tlp-configuration} parameter} string radeon-dpm-perf-level-on-bat +Same as @code{radeon-dpm-perf-ac} but on BAT mode. + +Defaults to @samp{"auto"}. + +@end deftypevr + +@deftypevr {@code{tlp-configuration} parameter} on-off-boolean wifi-pwr-on-ac? +Wifi power saving mode. + +Defaults to @samp{#f}. + +@end deftypevr + +@deftypevr {@code{tlp-configuration} parameter} on-off-boolean wifi-pwr-on-bat? +Same as @code{wifi-power-ac?} but on BAT mode. + +Defaults to @samp{#t}. + +@end deftypevr + +@deftypevr {@code{tlp-configuration} parameter} y-n-boolean wol-disable? +Disable wake on LAN. + +Defaults to @samp{#t}. + +@end deftypevr + +@deftypevr {@code{tlp-configuration} parameter} non-negative-integer sound-power-save-on-ac +Timeout duration in seconds before activating audio power saving on +Intel HDA and AC97 devices. A value of 0 disables power saving. + +Defaults to @samp{0}. + +@end deftypevr + +@deftypevr {@code{tlp-configuration} parameter} non-negative-integer sound-power-save-on-bat +Same as @code{sound-powersave-ac} but on BAT mode. + +Defaults to @samp{1}. + +@end deftypevr + +@deftypevr {@code{tlp-configuration} parameter} y-n-boolean sound-power-save-controller? +Disable controller in powersaving mode on Intel HDA devices. + +Defaults to @samp{#t}. + +@end deftypevr + +@deftypevr {@code{tlp-configuration} parameter} boolean bay-poweroff-on-bat? +Enable optical drive in UltraBay/MediaBay on BAT mode. Drive can be +powered on again by releasing (and reinserting) the eject lever or by +pressing the disc eject button on newer models. + +Defaults to @samp{#f}. + +@end deftypevr + +@deftypevr {@code{tlp-configuration} parameter} string bay-device +Name of the optical drive device to power off. + +Defaults to @samp{"sr0"}. + +@end deftypevr + +@deftypevr {@code{tlp-configuration} parameter} string runtime-pm-on-ac +Runtime Power Management for PCI(e) bus devices. Alternatives are on +and auto. + +Defaults to @samp{"on"}. + +@end deftypevr + +@deftypevr {@code{tlp-configuration} parameter} string runtime-pm-on-bat +Same as @code{runtime-pm-ac} but on BAT mode. + +Defaults to @samp{"auto"}. + +@end deftypevr + +@deftypevr {@code{tlp-configuration} parameter} boolean runtime-pm-all? +Runtime Power Management for all PCI(e) bus devices, except blacklisted +ones. + +Defaults to @samp{#t}. + +@end deftypevr + +@deftypevr {@code{tlp-configuration} parameter} maybe-space-separated-string-list runtime-pm-blacklist +Exclude specified PCI(e) devices adresses from Runtime Power Management. + +Defaults to @samp{disabled}. + +@end deftypevr + +@deftypevr {@code{tlp-configuration} parameter} space-separated-string-list runtime-pm-driver-blacklist +Exclude PCI(e) devices assigned to the specified drivers from Runtime +Power Management. + +@end deftypevr + +@deftypevr {@code{tlp-configuration} parameter} boolean usb-autosuspend? +Enable USB autosuspend feature. + +Defaults to @samp{#t}. + +@end deftypevr + +@deftypevr {@code{tlp-configuration} parameter} maybe-string usb-blacklist +Exclude specified devices from USB autosuspend. + +Defaults to @samp{disabled}. + +@end deftypevr + +@deftypevr {@code{tlp-configuration} parameter} boolean usb-blacklist-wwan? +Exclude WWAN devices from USB autosuspend. + +Defaults to @samp{#t}. + +@end deftypevr + +@deftypevr {@code{tlp-configuration} parameter} maybe-string usb-whitelist +Include specified devices into USB autosuspend, even if they are already +excluded by the driver or via @code{usb-blacklist-wwan?}. + +Defaults to @samp{disabled}. + +@end deftypevr + +@deftypevr {@code{tlp-configuration} parameter} maybe-boolean usb-autosuspend-disable-on-shutdown? +Enable USB autosuspend before shutdown. + +Defaults to @samp{disabled}. + +@end deftypevr + +@deftypevr {@code{tlp-configuration} parameter} boolean restore-device-state-on-startup? +Restore radio device state (bluetooth, wifi, wwan) from previous +shutdown on system startup. + +Defaults to @samp{#f}. + +@end deftypevr + @node Miscellaneous Services @subsubsection Miscellaneous Services |