nonguix/nongnu/services/kernel-modules.scm

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;;; Copyright © 2019 Alex Griffin <a@ajgrf.com>
;;;
;;; This program 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.
;;;
;;; This program 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 this program. If not, see <https://www.gnu.org/licenses/>.
(define-module (nongnu services kernel-modules)
#:use-module (gnu packages linux)
#:use-module (gnu services)
#:use-module (gnu services base)
#:use-module (gnu services shepherd)
#:use-module (guix gexp)
#:use-module (guix records)
#:use-module (ice-9 match)
#:use-module (nongnu packages linux)
#:export (load-broadcom-sta-service))
;;;
;;; broadcom-sta
;;;
(define-record-type* <load-broadcom-sta-configuration>
load-broadcom-sta-configuration make-load-broadcom-sta-configuration
load-broadcom-sta-configuration?
(package load-broadcom-sta-configuration-package
(default broadcom-sta)))
(define load-broadcom-sta-shepherd-service
(match-lambda
(($ <load-broadcom-sta-configuration> package)
(list
(shepherd-service
(documentation "Load nonfree Broadcom wireless driver.")
(provision '(load-broadcom-sta))
(respawn? #f)
(start
#~(lambda _
(and
(zero? (system* "modprobe" "cfg80211"))
(zero? (system* "modprobe" "lib80211"))
(zero? (system* "env" (string-append
"LINUX_MODULE_DIRECTORY="
#$(file-append package "/lib/modules"))
"modprobe" "wl"))))))))))
(define load-broadcom-sta-service-type
(service-type
(name 'load-broadcom-sta)
(extensions
(list
(service-extension profile-service-type
(compose list load-broadcom-sta-configuration-package))
(service-extension shepherd-root-service-type
load-broadcom-sta-shepherd-service)))
(description "Load the nonfree Broadcom wireless driver.")
(default-value (load-broadcom-sta-configuration))))
(define* (load-broadcom-sta-service #:key (broadcom-sta broadcom-sta))
"Return a service that loads the nonfree Broadcom wireless driver.
Users should also blacklist conflicting modules by adding the following
to kernel-arguments:
modprobe.blacklist=b43,b43legacy,ssb,bcm43xx,brcm80211,brcmfmac,brcmsmac,bcma"
(service load-broadcom-sta-service-type
(load-broadcom-sta-configuration
(package broadcom-sta))))