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Diffstat (limited to 'gnu/services')
| -rw-r--r-- | gnu/services/pm.scm | 404 |
1 files changed, 404 insertions, 0 deletions
diff --git a/gnu/services/pm.scm b/gnu/services/pm.scm new file mode 100644 index 0000000000..ec35e5701a --- /dev/null +++ b/gnu/services/pm.scm @@ -0,0 +1,404 @@ +;;; GNU Guix --- Functional package management for GNU +;;; Copyright © 2017 Mathieu Othacehe <m.othacehe@gmail.com> +;;; +;;; This file is part of GNU Guix. +;;; +;;; GNU Guix is free software: you can redistribute it and/or modify +;;; it under the terms of the GNU General Public License as published by +;;; the Free Software Foundation, either version 3 of the License, or +;;; (at your option) any later version. +;;; +;;; GNU Guix is distributed in the hope that it will be useful, +;;; but WITHOUT ANY WARRANTY; without even the implied warranty of +;;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +;;; GNU General Public License for more details. +;;; +;;; You should have received a copy of the GNU General Public License +;;; along with GNU Guix. If not, see <http://www.gnu.org/licenses/>. + +(define-module (gnu services pm) + #:use-module (guix gexp) + #:use-module (guix packages) + #:use-module (guix records) + #:use-module (gnu packages linux) + #:use-module (gnu services) + #:use-module (gnu services base) + #:use-module (gnu services configuration) + #:use-module (gnu services shepherd) + #:use-module (gnu system shadow) + #:export (tlp-service-type + tlp-configuration)) + +(define (uglify-field-name field-name) + (let ((str (symbol->string field-name))) + (string-join (string-split + (string-upcase + (if (string-suffix? "?" str) + (substring str 0 (1- (string-length str))) + str)) + #\-) + "_"))) + +(define (serialize-field field-name val) + (format #t "~a=~a\n" (uglify-field-name field-name) val)) + +(define (serialize-boolean field-name val) + (serialize-field field-name (if val "1" "0"))) +(define-maybe boolean) + +(define (serialize-string field-name val) + (serialize-field field-name val)) +(define-maybe string) + +(define (space-separated-string-list? val) + (and (list? val) + (and-map (lambda (x) + (and (string? x) (not (string-index x #\space)))) + val))) +(define (serialize-space-separated-string-list field-name val) + (serialize-field field-name + (format #f "~s" + (string-join val " ")))) +(define-maybe space-separated-string-list) + +(define (non-negative-integer? val) + (and (exact-integer? val) (not (negative? val)))) +(define (serialize-non-negative-integer field-name val) + (serialize-field field-name val)) +(define-maybe non-negative-integer) + +(define (on-off-boolean? val) + (boolean? val)) +(define (serialize-on-off-boolean field-name val) + (serialize-field field-name (if val "on" "off"))) +(define-maybe on-off-boolean) + +(define (y-n-boolean? val) + (boolean? val)) +(define (serialize-y-n-boolean field-name val) + (serialize-field field-name (if val "Y" "N"))) + +(define-configuration tlp-configuration + (tlp + (package tlp) + "The TLP package.") + + (tlp-enable? + (boolean #t) + "Set to true if you wish to enable TLP.") + + (tlp-default-mode + (string "AC") + "Default mode when no power supply can be detected. Alternatives are +AC and BAT.") + + (disk-idle-secs-on-ac + (non-negative-integer 0) + "Number of seconds Linux kernel has to wait after the disk goes idle, +before syncing on AC.") + + (disk-idle-secs-on-bat + (non-negative-integer 2) + "Same as @code{disk-idle-ac} but on BAT mode.") + + (max-lost-work-secs-on-ac + (non-negative-integer 15) + "Dirty pages flushing periodicity, expressed in seconds.") + + (max-lost-work-secs-on-bat + (non-negative-integer 60) + "Same as @code{max-lost-work-secs-on-ac} but on BAT mode.") + + (cpu-scaling-governor-on-ac + (maybe-space-separated-string-list 'disabled) + "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.") + + (cpu-scaling-governor-on-bat + (maybe-space-separated-string-list 'disabled) + "Same as @code{cpu-scaling-governor-on-ac} but on BAT mode.") + + (cpu-scaling-min-freq-on-ac + (maybe-non-negative-integer 'disabled) + "Set the min available frequency for the scaling governor on AC.") + + (cpu-scaling-max-freq-on-ac + (maybe-non-negative-integer 'disabled) + "Set the max available frequency for the scaling governor on AC.") + + (cpu-scaling-min-freq-on-bat + (maybe-non-negative-integer 'disabled) + "Set the min available frequency for the scaling governor on BAT.") + + (cpu-scaling-max-freq-on-bat + (maybe-non-negative-integer 'disabled) + "Set the max available frequency for the scaling governor on BAT.") + + (cpu-min-perf-on-ac + (maybe-non-negative-integer 'disabled) + "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.") + + (cpu-max-perf-on-ac + (maybe-non-negative-integer 'disabled) + "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.") + + (cpu-min-perf-on-bat + (maybe-non-negative-integer 'disabled) + "Same as @code{cpu-min-perf-on-ac} on BAT mode.") + + (cpu-max-perf-on-bat + (maybe-non-negative-integer 'disabled) + "Same as @code{cpu-max-perf-on-ac} on BAT mode.") + + (cpu-boost-on-ac? + (maybe-boolean 'disabled) + "Enable CPU turbo boost feature on AC mode.") + + (cpu-boost-on-bat? + (maybe-boolean 'disabled) + "Same as @code{cpu-boost-on-ac?} on BAT mode.") + + (sched-powersave-on-ac? + (boolean #f) + "Allow Linux kernel to minimize the number of CPU cores/hyper-threads +used under light load conditions.") + + (sched-powersave-on-bat? + (boolean #t) + "Same as @code{sched-powersave-on-ac?} but on BAT mode.") + + (nmi-watchdog? + (boolean #f) + "Enable Linux kernel NMI watchdog.") + + (phc-controls + (maybe-string 'disabled) + "For Linux kernels with PHC patch applied, change CPU voltages. +An example value would be @samp{\"F:V F:V F:V F:V\"}.") + + (energy-perf-policy-on-ac + (string "performance") + "Set CPU performance versus energy saving policy on AC. Alternatives are +performance, normal, powersave.") + + (energy-perf-policy-on-bat + (string "powersave") + "Same as @code{energy-perf-policy-ac} but on BAT mode.") + + (disks-devices + (space-separated-string-list '("sda")) + "Hard disk devices.") + + (disk-apm-level-on-ac + (space-separated-string-list '("254" "254")) + "Hard disk advanced power management level.") + + (disk-apm-level-on-bat + (space-separated-string-list '("128" "128")) + "Same as @code{disk-apm-bat} but on BAT mode.") + + (disk-spindown-timeout-on-ac + (maybe-space-separated-string-list 'disabled) + "Hard disk spin down timeout. One value has to be specified for +each declared hard disk.") + + (disk-spindown-timeout-on-bat + (maybe-space-separated-string-list 'disabled) + "Same as @code{disk-spindown-timeout-on-ac} but on BAT mode.") + + (disk-iosched + (maybe-space-separated-string-list 'disabled) + "Select IO scheduler for disk devices. One value has to be specified +for each declared hard disk. Example alternatives are cfq, deadline and noop.") + + (sata-linkpwr-on-ac + (string "max_performance") + "SATA aggressive link power management (ALPM) level. Alternatives are +min_power, medium_power, max_performance.") + + (sata-linkpwr-on-bat + (string "min_power") + "Same as @code{sata-linkpwr-ac} but on BAT mode.") + + (sata-linkpwr-blacklist + (maybe-string 'disabled) + "Exclude specified SATA host devices for link power management.") + + (ahci-runtime-pm-on-ac? + (maybe-on-off-boolean 'disabled) + "Enable Runtime Power Management for AHCI controller and disks +on AC mode.") + + (ahci-runtime-pm-on-bat? + (maybe-on-off-boolean 'disabled) + "Same as @code{ahci-runtime-pm-on-ac} on BAT mode.") + + (ahci-runtime-pm-timeout + (non-negative-integer 15) + "Seconds of inactivity before disk is suspended.") + + (pcie-aspm-on-ac + (string "performance") + "PCI Express Active State Power Management level. Alternatives are +default, performance, powersave.") + + (pcie-aspm-on-bat + (string "powersave") + "Same as @code{pcie-aspm-ac} but on BAT mode.") + + (radeon-power-profile-on-ac + (string "high") + "Radeon graphics clock speed level. Alternatives are +low, mid, high, auto, default.") + + (radeon-power-profile-on-bat + (string "low") + "Same as @code{radeon-power-ac} but on BAT mode.") + + (radeon-dpm-state-on-ac + (string "performance") + "Radeon dynamic power management method (DPM). Alternatives are +battery, performance.") + + (radeon-dpm-state-on-bat + (string "battery") + "Same as @code{radeon-dpm-state-ac} but on BAT mode.") + + (radeon-dpm-perf-level-on-ac + (string "auto") + "Radeon DPM performance level. Alternatives are +auto, low, high.") + + (radeon-dpm-perf-level-on-bat + (string "auto") + "Same as @code{radeon-dpm-perf-ac} but on BAT mode.") + + (wifi-pwr-on-ac? + (on-off-boolean #f) + "Wifi power saving mode.") + + (wifi-pwr-on-bat? + (on-off-boolean #t) + "Same as @code{wifi-power-ac?} but on BAT mode.") + + (wol-disable? + (y-n-boolean #t) + "Disable wake on LAN.") + + (sound-power-save-on-ac + (non-negative-integer 0) + "Timeout duration in seconds before activating audio power saving + on Intel HDA and AC97 devices. A value of 0 disables power saving.") + + (sound-power-save-on-bat + (non-negative-integer 1) + "Same as @code{sound-powersave-ac} but on BAT mode.") + + (sound-power-save-controller? + (y-n-boolean #t) + "Disable controller in powersaving mode on Intel HDA devices.") + + (bay-poweroff-on-bat? + (boolean #f) + "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.") + + (bay-device + (string "sr0") + "Name of the optical drive device to power off.") + + (runtime-pm-on-ac + (string "on") + "Runtime Power Management for PCI(e) bus devices. Alternatives are +on and auto.") + + (runtime-pm-on-bat + (string "auto") + "Same as @code{runtime-pm-ac} but on BAT mode.") + + (runtime-pm-all? + (boolean #t) + "Runtime Power Management for all PCI(e) bus devices, except +blacklisted ones.") + + (runtime-pm-blacklist + (maybe-space-separated-string-list 'disabled) + "Exclude specified PCI(e) devices adresses from Runtime Power Management.") + + (runtime-pm-driver-blacklist + (space-separated-string-list '("radeon" "nouveau")) + "Exclude PCI(e) devices assigned to the specified drivers from +Runtime Power Management.") + + (usb-autosuspend? + (boolean #t) + "Enable USB autosuspend feature.") + + (usb-blacklist + (maybe-string 'disabled) + "Exclude specified devices from USB autosuspend.") + + (usb-blacklist-wwan? + (boolean #t) + "Exclude WWAN devices from USB autosuspend.") + + (usb-whitelist + (maybe-string 'disabled) + "Include specified devices into USB autosuspend, even if they are +already excluded by the driver or via @code{usb-blacklist-wwan?}.") + + (usb-autosuspend-disable-on-shutdown? + (maybe-boolean 'disabled) + "Enable USB autosuspend before shutdown.") + + (restore-device-state-on-startup? + (boolean #f) + "Restore radio device state (bluetooth, wifi, wwan) from previous +shutdown on system startup.")) + + +(define (tlp-shepherd-service config) + (let* ((tlp-bin (file-append + (tlp-configuration-tlp config) "/bin/tlp")) + (tlp-action (lambda args + #~(lambda _ + (zero? (system* #$tlp-bin #$@args)))))) + (list (shepherd-service + (documentation "Run TLP script.") + (provision '(tlp)) + (requirement '(user-processes)) + (start (tlp-action "init" "start")) + (stop (tlp-action "init" "stop")))))) + +(define (tlp-activation config) + (let* ((config-str (with-output-to-string + (lambda () + (serialize-configuration + config + tlp-configuration-fields)))) + (config-file (plain-file "tlp" config-str))) + (with-imported-modules '((guix build utils)) + #~(begin + (use-modules (guix build utils)) + (copy-file #$config-file "/etc/tlp"))))) + +(define tlp-service-type + (service-type + (name 'tlp) + (extensions + (list + (service-extension shepherd-root-service-type + tlp-shepherd-service) + (service-extension udev-service-type + (compose list tlp-configuration-tlp)) + (service-extension activation-service-type + tlp-activation))))) + +(define (generate-tlp-documentation) + (generate-documentation + `((tlp-configuration ,tlp-configuration-fields)) + 'tlp-configuration)) |