system: Add kernel-loadable-modules to operating-system.
* 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.master
Danny Milosavljevic
parent
66a198c807
commit
5c79f23863
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@ -11221,6 +11221,10 @@ The package object of the operating system kernel to use@footnote{Currently
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only the Linux-libre kernel is supported. In the future, it will be
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possible to use the GNU@tie{}Hurd.}.
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@item @code{kernel-loadable-modules} (default: '())
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A list of objects (usually packages) to collect loadable kernel modules
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from--e.g. @code{(list ddcci-driver-linux)}.
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@item @code{kernel-arguments} (default: @code{'("quiet")})
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List of strings or gexps representing additional arguments to pass on
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the command-line of the kernel---e.g., @code{("console=ttyS0")}.
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@ -22,12 +22,14 @@
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#:use-module (guix elf)
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#:use-module (guix glob)
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#:use-module (guix build syscalls)
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#:use-module ((guix build utils) #:select (find-files))
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#:use-module ((guix build utils) #:select (find-files invoke))
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#:use-module (guix build union)
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#:use-module (rnrs io ports)
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#:use-module (rnrs bytevectors)
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#:use-module (srfi srfi-1)
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#:use-module (srfi srfi-11)
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#:use-module (srfi srfi-26)
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#:use-module (ice-9 ftw)
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#:use-module (ice-9 vlist)
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#:use-module (ice-9 match)
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#:use-module (ice-9 rdelim)
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@ -56,7 +58,9 @@
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write-module-name-database
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write-module-alias-database
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write-module-device-database))
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write-module-device-database
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make-linux-module-directory))
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;;; Commentary:
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;;;
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@ -631,4 +635,42 @@ be loaded on-demand, such as file system modules."
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module devname type major minor)))
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aliases))))
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(define (depmod version directory)
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"Given an (existing) DIRECTORY, invoke depmod on it for
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kernel version VERSION."
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(let ((destination-directory (string-append directory "/lib/modules/"
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version))
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;; Note: "System.map" is an input file.
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(maps-file (string-append directory "/System.map"))
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;; Note: "Module.symvers" is an input file.
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(symvers-file (string-append directory "/Module.symvers")))
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;; These files will be regenerated by depmod below.
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(for-each (lambda (basename)
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(when (and (string-prefix? "modules." basename)
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;; Note: "modules.builtin" is an input file.
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(not (string=? "modules.builtin" basename))
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;; Note: "modules.order" is an input file.
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(not (string=? "modules.order" basename)))
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(delete-file (string-append destination-directory "/"
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basename))))
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(scandir destination-directory))
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(invoke "depmod"
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"-e" ; Report symbols that aren't supplied
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;"-w" ; Warn on duplicates
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"-b" directory
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"-F" maps-file
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;"-E" symvers-file ; using both "-E" and "-F" is not possible.
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version)))
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(define (make-linux-module-directory inputs version output)
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"Create a new directory OUTPUT and ensure that the directory
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OUTPUT/lib/modules/VERSION can be used as a source of Linux
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kernel modules for the first kmod in PATH now to eventually
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load. Take modules to put into OUTPUT from INPUTS.
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Right now that means it creates @code{modules.*.bin} which
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@command{modprobe} will use to find loadable modules."
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(union-build output inputs #:create-all-directories? #t)
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(depmod version output))
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;;; linux-modules.scm ends here
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@ -635,6 +635,7 @@ GNU_SYSTEM_MODULES = \
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%D%/tests/nfs.scm \
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%D%/tests/install.scm \
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%D%/tests/ldap.scm \
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%D%/tests/linux-modules.scm \
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%D%/tests/mail.scm \
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%D%/tests/messaging.scm \
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%D%/tests/networking.scm \
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@ -654,7 +654,6 @@ for ARCH and optionally VARIANT, or #f if there is no such configuration."
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`(("perl" ,perl)
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("bc" ,bc)
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("openssl" ,openssl)
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("kmod" ,kmod)
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("elfutils" ,elfutils) ; Needed to enable CONFIG_STACK_VALIDATION
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("flex" ,flex)
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("bison" ,bison)
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@ -678,6 +677,7 @@ for ARCH and optionally VARIANT, or #f if there is no such configuration."
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(guix build utils)
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(srfi srfi-1)
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(srfi srfi-26)
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(ice-9 ftw)
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(ice-9 match))
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#:phases
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(modify-phases %standard-phases
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@ -750,8 +750,7 @@ for ARCH and optionally VARIANT, or #f if there is no such configuration."
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(lambda* (#:key inputs native-inputs outputs #:allow-other-keys)
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(let* ((out (assoc-ref outputs "out"))
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(moddir (string-append out "/lib/modules"))
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(dtbdir (string-append out "/lib/dtbs"))
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(kmod (assoc-ref (or native-inputs inputs) "kmod")))
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(dtbdir (string-append out "/lib/dtbs")))
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;; Install kernel image, kernel configuration and link map.
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(for-each (lambda (file) (install-file file out))
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(find-files "." "^(\\.config|bzImage|zImage|Image|vmlinuz|System\\.map|Module\\.symvers)$"))
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@ -763,12 +762,29 @@ for ARCH and optionally VARIANT, or #f if there is no such configuration."
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;; Install kernel modules
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(mkdir-p moddir)
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(invoke "make"
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(string-append "DEPMOD=" kmod "/bin/depmod")
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;; Disable depmod because the Guix system's module directory
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;; is an union of potentially multiple packages. It is not
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;; possible to use depmod to usefully calculate a dependency
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;; graph while building only one of those packages.
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"DEPMOD=true"
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(string-append "MODULE_DIR=" moddir)
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(string-append "INSTALL_PATH=" out)
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(string-append "INSTALL_MOD_PATH=" out)
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"INSTALL_MOD_STRIP=1"
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"modules_install")))))
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"modules_install")
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(let* ((versions (filter (lambda (name)
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(not (string-prefix? "." name)))
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(scandir moddir)))
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(version (match versions
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((x) x))))
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;; There are symlinks to the build and source directory,
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;; both of which will point to target /tmp/guix-build*
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;; and thus not be useful in a profile. Delete the symlinks.
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(false-if-file-not-found
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(delete-file (string-append moddir "/" version "/build")))
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(false-if-file-not-found
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(delete-file (string-append moddir "/" version "/source"))))
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#t))))
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#:tests? #f))
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(home-page "https://www.gnu.org/software/linux-libre/")
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(synopsis "100% free redistribution of a cleaned Linux kernel")
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@ -5,6 +5,7 @@
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;;; Copyright © 2016 Chris Marusich <cmmarusich@gmail.com>
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;;; Copyright © 2017 Mathieu Othacehe <m.othacehe@gmail.com>
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;;; Copyright © 2019 Meiyo Peng <meiyo.peng@gmail.com>
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;;; Copyright © 2020 Danny Milosavljevic <dannym@scratchpost.org>
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;;;
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;;; This file is part of GNU Guix.
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;;;
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@ -168,6 +169,8 @@
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(kernel operating-system-kernel ; package
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(default linux-libre))
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(kernel-loadable-modules operating-system-kernel-loadable-modules
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(default '())) ; list of packages
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(kernel-arguments operating-system-user-kernel-arguments
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(default '("quiet"))) ; list of gexps/strings
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(bootloader operating-system-bootloader) ; <bootloader-configuration>
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@ -472,7 +475,14 @@ OS."
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"Return the basic entries of the 'system' directory of OS for use as the
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value of the SYSTEM-SERVICE-TYPE service."
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(let ((locale (operating-system-locale-directory os)))
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(mlet %store-monad ((kernel -> (operating-system-kernel os))
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(mlet* %store-monad ((kernel -> (operating-system-kernel os))
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(modules ->
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(operating-system-kernel-loadable-modules os))
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(kernel
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(profile-derivation
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(packages->manifest
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(cons kernel modules))
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#:hooks (list linux-module-database)))
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(initrd -> (operating-system-initrd-file os))
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(params (operating-system-boot-parameters-file os)))
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(return `(("kernel" ,kernel)
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@ -0,0 +1,103 @@
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;;; GNU Guix --- Functional package management for GNU
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;;; Copyright © 2019 Jakob L. Kreuze <zerodaysfordays@sdf.org>
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;;; Copyright © 2020 Danny Milosavljevic <dannym@scratchpost.org>
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;;;
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;;; This file is part of GNU Guix.
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;;;
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;;; GNU Guix is free software; you can redistribute it and/or modify it
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;;; under the terms of the GNU General Public License as published by
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;;; the Free Software Foundation; either version 3 of the License, or (at
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;;; your option) any later version.
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;;;
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;;; GNU Guix is distributed in the hope that it will be useful, but
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;;; WITHOUT ANY WARRANTY; without even the implied warranty of
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;;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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;;; GNU General Public License for more details.
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;;;
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;;; You should have received a copy of the GNU General Public License
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;;; along with GNU Guix. If not, see <http://www.gnu.org/licenses/>.
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(define-module (gnu tests linux-modules)
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#:use-module (gnu packages linux)
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#:use-module (gnu system)
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#:use-module (gnu system vm)
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#:use-module (gnu tests)
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#:use-module (guix derivations)
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#:use-module (guix gexp)
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#:use-module (guix modules)
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#:use-module (guix monads)
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#:use-module (guix store)
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#:export (%test-loadable-kernel-modules-0
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%test-loadable-kernel-modules-1
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%test-loadable-kernel-modules-2))
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;;; Commentary:
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;;;
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;;; Test <operating-system> kernel-loadable-modules.
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;;;
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;;; Code:
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(define* (module-loader-program os modules)
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"Return an executable store item that, upon being evaluated, will dry-run
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load MODULES."
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(program-file
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"load-kernel-modules.scm"
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(with-imported-modules (source-module-closure '((guix build utils)))
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#~(begin
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(use-modules (guix build utils))
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(for-each (lambda (module)
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(invoke (string-append #$kmod "/bin/modprobe") "-n" "--"
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module))
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'#$modules)))))
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(define* (run-loadable-kernel-modules-test module-packages module-names)
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"Run a test of an OS having MODULE-PACKAGES, and modprobe MODULE-NAMES."
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(define os
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(marionette-operating-system
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(operating-system
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(inherit (simple-operating-system))
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(kernel-loadable-modules module-packages))
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#:imported-modules '((guix combinators))))
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(define vm (virtual-machine os))
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(define (test script)
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(with-imported-modules '((gnu build marionette))
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#~(begin
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(use-modules (gnu build marionette)
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(srfi srfi-64))
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(define marionette
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(make-marionette (list #$vm)))
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(mkdir #$output)
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(chdir #$output)
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(test-begin "loadable-kernel-modules")
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(test-assert "script successfully evaluated"
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(marionette-eval
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'(primitive-load #$script)
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marionette))
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(test-end)
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(exit (= (test-runner-fail-count (test-runner-current)) 0)))))
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(gexp->derivation "loadable-kernel-modules" (test (module-loader-program os module-names))))
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(define %test-loadable-kernel-modules-0
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(system-test
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(name "loadable-kernel-modules-0")
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(description "Tests loadable kernel modules facility of <operating-system>
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with no extra modules.")
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(value (run-loadable-kernel-modules-test '() '()))))
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(define %test-loadable-kernel-modules-1
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(system-test
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(name "loadable-kernel-modules-1")
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(description "Tests loadable kernel modules facility of <operating-system>
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with one extra module.")
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(value (run-loadable-kernel-modules-test
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(list ddcci-driver-linux)
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'("ddcci")))))
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(define %test-loadable-kernel-modules-2
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(system-test
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(name "loadable-kernel-modules-2")
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(description "Tests loadable kernel modules facility of <operating-system>
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with two extra modules.")
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(value (run-loadable-kernel-modules-test
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(list acpi-call-linux-module ddcci-driver-linux)
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'("acpi_call" "ddcci")))))
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@ -10,6 +10,7 @@
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;;; Copyright © 2017 Maxim Cournoyer <maxim.cournoyer@gmail.com>
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;;; Copyright © 2019 Kyle Meyer <kyle@kyleam.com>
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;;; Copyright © 2019 Mathieu Othacehe <m.othacehe@gmail.com>
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;;; Copyright © 2020 Danny Milosavljevic <dannym@scratchpost.org>
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;;;
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;;; This file is part of GNU Guix.
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;;;
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@ -139,7 +140,9 @@
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%current-profile
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ensure-profile-directory
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canonicalize-profile
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user-friendly-profile))
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user-friendly-profile
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linux-module-database))
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;;; Commentary:
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;;;
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@ -1137,6 +1140,51 @@ for both major versions of GTK+."
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(hook . gtk-im-modules)))
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(return #f)))))
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(define (linux-module-database manifest)
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"Return a derivation that unites all the kernel modules of the manifest
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and creates the dependency graph of all these kernel modules.
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This is meant to be used as a profile hook."
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(define kmod ; lazy reference
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(module-ref (resolve-interface '(gnu packages linux)) 'kmod))
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(define build
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(with-imported-modules
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(source-module-closure '((guix build utils)
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(gnu build linux-modules)))
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#~(begin
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(use-modules (ice-9 ftw)
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(ice-9 match)
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(srfi srfi-1) ; append-map
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(gnu build linux-modules))
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(let* ((inputs '#$(manifest-inputs manifest))
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(module-directories
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(map (lambda (directory)
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(string-append directory "/lib/modules"))
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inputs))
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(directory-entries
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(lambda (directory)
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(scandir directory (lambda (basename)
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(not
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(string-prefix? "." basename))))))
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;; Note: Should usually result in one entry.
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(versions (delete-duplicates
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(append-map directory-entries
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module-directories))))
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(match versions
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((version)
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(let ((old-path (getenv "PATH")))
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(setenv "PATH" #+(file-append kmod "/bin"))
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(make-linux-module-directory inputs version #$output)
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(setenv "PATH" old-path)))
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(_ (error "Specified Linux kernel and Linux kernel modules
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are not all of the same version")))))))
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(gexp->derivation "linux-module-database" build
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#:local-build? #t
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#:substitutable? #f
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#:properties
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`((type . profile-hook)
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(hook . linux-module-database))))
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(define (xdg-desktop-database manifest)
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"Return a derivation that builds the @file{mimeinfo.cache} database from
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desktop files. It's used to query what applications can handle a given
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Reference in New Issue