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system: Add kernel-loadable-modules to operating-system.

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* gnu/system.scm (<operating-system>): Add kernel-loadable-modules.
(operating-system-directory-base-entries): Use it.
* doc/guix.texi (operating-system Reference): Document
KERNEL-LOADABLE-MODULES.
* gnu/build/linux-modules.scm (depmod): New procedure.
(make-linux-module-directory): New procedure.  Export it.
* guix/profiles.scm (linux-module-database): New procedure.  Export it.
* gnu/tests/linux-modules.scm: New file.
* gnu/local.mk (GNU_SYSTEM_MODULES): Add it.
* gnu/packages/linux.scm (make-linux-libre*)[arguments]<#:phases>[install]:
Disable depmod.  Remove "build" and "source" symlinks.
[native-inputs]: Remove kmod.
This commit is contained in:
Danny Milosavljevic 2020-02-18 10:42:07 +01:00
parent 66a198c807
commit 5c79f23863
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;;; GNU Guix --- Functional package management for GNU
;;; Copyright © 2019 Jakob L. Kreuze <zerodaysfordays@sdf.org>
;;; Copyright © 2020 Danny Milosavljevic <dannym@scratchpost.org>
;;;
;;; 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 tests linux-modules)
#:use-module (gnu packages linux)
#:use-module (gnu system)
#:use-module (gnu system vm)
#:use-module (gnu tests)
#:use-module (guix derivations)
#:use-module (guix gexp)
#:use-module (guix modules)
#:use-module (guix monads)
#:use-module (guix store)
#:export (%test-loadable-kernel-modules-0
%test-loadable-kernel-modules-1
%test-loadable-kernel-modules-2))
;;; Commentary:
;;;
;;; Test <operating-system> kernel-loadable-modules.
;;;
;;; Code:
(define* (module-loader-program os modules)
"Return an executable store item that, upon being evaluated, will dry-run
load MODULES."
(program-file
"load-kernel-modules.scm"
(with-imported-modules (source-module-closure '((guix build utils)))
#~(begin
(use-modules (guix build utils))
(for-each (lambda (module)
(invoke (string-append #$kmod "/bin/modprobe") "-n" "--"
module))
'#$modules)))))
(define* (run-loadable-kernel-modules-test module-packages module-names)
"Run a test of an OS having MODULE-PACKAGES, and modprobe MODULE-NAMES."
(define os
(marionette-operating-system
(operating-system
(inherit (simple-operating-system))
(kernel-loadable-modules module-packages))
#:imported-modules '((guix combinators))))
(define vm (virtual-machine os))
(define (test script)
(with-imported-modules '((gnu build marionette))
#~(begin
(use-modules (gnu build marionette)
(srfi srfi-64))
(define marionette
(make-marionette (list #$vm)))
(mkdir #$output)
(chdir #$output)
(test-begin "loadable-kernel-modules")
(test-assert "script successfully evaluated"
(marionette-eval
'(primitive-load #$script)
marionette))
(test-end)
(exit (= (test-runner-fail-count (test-runner-current)) 0)))))
(gexp->derivation "loadable-kernel-modules" (test (module-loader-program os module-names))))
(define %test-loadable-kernel-modules-0
(system-test
(name "loadable-kernel-modules-0")
(description "Tests loadable kernel modules facility of <operating-system>
with no extra modules.")
(value (run-loadable-kernel-modules-test '() '()))))
(define %test-loadable-kernel-modules-1
(system-test
(name "loadable-kernel-modules-1")
(description "Tests loadable kernel modules facility of <operating-system>
with one extra module.")
(value (run-loadable-kernel-modules-test
(list ddcci-driver-linux)
'("ddcci")))))
(define %test-loadable-kernel-modules-2
(system-test
(name "loadable-kernel-modules-2")
(description "Tests loadable kernel modules facility of <operating-system>
with two extra modules.")
(value (run-loadable-kernel-modules-test
(list acpi-call-linux-module ddcci-driver-linux)
'("acpi_call" "ddcci")))))