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2020-08-25linux-libre: Support module compression.Mathieu Othacehe
This commit adds support for GZIP compression for linux-libre kernel modules. The initrd modules are kept uncompressed as the initrd is already compressed as a whole. The linux-libre kernel also supports XZ compression, but as Guix does not have any available bindings for now, and the compression time is far more significant, GZIP seems to be a better option. * gnu/build/linux-modules.scm (modinfo-section-contents): Use 'call-with-gzip-input-port' to read from a module file using '.gz' extension, (strip-extension): new procedure, (dot-ko): adapt to support compression, (ensure-dot-ko): ditto, (file-name->module-name): ditto, (find-module-file): ditto, (load-linux-module*): ditto, (module-name->file-name/guess): ditto, (module-name-lookup): ditto, (write-module-name-database): ditto, (write-module-alias-database): ditto, (write-module-device-database): ditto. * gnu/installer.scm (installer-program): Add "guile-zlib" to the extensions. * gnu/machine/ssh.scm (machine-check-initrd-modules): Ditto. * gnu/services.scm (activation-script): Ditto. * gnu/services/base.scm (default-serial-port): Ditto, (agetty-shepherd-service): ditto, (udev-service-type): ditto. * gnu/system/image.scm (gcrypt-sqlite3&co): Ditto. * gnu/system/linux-initrd.scm (flat-linux-module-directory): Add "guile-zlib" to the extensions and make sure that the initrd only contains uncompressed module files. * gnu/system/shadow.scm (account-shepherd-service): Add "guile-zlib" to the extensions. * guix/profiles.scm (linux-module-database): Ditto.
2020-03-22system: Add kernel-loadable-modules to operating-system.Danny Milosavljevic
* 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.
2019-08-16linux-modules: Define and use a module name database.Ludovic Courtès
Fixes <https://bugs.gnu.org/34902>. Reported by Julien Lepiller <julien@lepiller.eu>. * gnu/build/linux-modules.scm (module-formal-name): New procedure. (load-linux-modules-from-directory)[lookup-module]: Remove. [module-name->file-name]: New variable. Use it. (module-name->file-name/guess, module-name-lookup) (write-module-name-database): New procedures. * gnu/system/linux-initrd.scm (flat-linux-module-directory): Call 'write-module-name-database'.
2019-08-16linux-modules: Add 'load-linux-modules-from-directory'.Ludovic Courtès
* gnu/build/linux-modules.scm (load-linux-modules-from-directory): New procedure. * gnu/build/linux-boot.scm (boot-system)[lookup-module]: Remove. Use 'load-linux-modules-from-directory' instead.
2019-08-16linux-modules: Add "modules.devname" writer.Ludovic Courtès
* gnu/build/linux-modules.scm (aliases->device-tuple) (write-module-device-database): New procedures. (%not-dash): New variable. Co-authored-by: Danny Milosavljevic <dannym@scratchpost.org>.
2019-08-16linux-modules: Add "modules.alias" writer.Danny Milosavljevic
* gnu/build/linux-modules.scm (write-module-alias-database): New procedure. Co-authored-by: Ludovic Courtès <ludo@gnu.org>
2019-03-13linux-modules: Factorize 'missing-modules'.Ludovic Courtès
* gnu/build/linux-modules.scm (missing-modules): New procedure. * gnu/system/mapped-devices.scm (check-device-initrd-modules): Use it.
2019-03-05linux-modules: module-soft-dependencies: Partition the result and return it ↵Danny Milosavljevic
as two lists. * gnu/build/linux-modules.scm (module-soft-dependencies): Partition the result and return it as two lists.
2019-01-25linux-modules: module-soft-dependencies: Remove colon from section names.Danny Milosavljevic
Follow-up to 1a5f46621b44aa1458ad7acd4eca5fe1d4574f92. * gnu/build/linux-modules.scm (module-soft-dependencies): Remove colon from section names.
2019-01-25linux-modules: Add module-soft-dependencies.Danny Milosavljevic
* gnu/build/linux-modules.scm (not-softdep-whitespace): New variable. (module-soft-dependencies): New procedure.
2018-08-29linux-modules: Raise an error when a kernel module cannot be found.Ludovic Courtès
Previously we'd get an unhelpful backtrace like this: In gnu/build/linux-modules.scm: 184:47 4 (recursive-module-dependencies _ #:lookup-module _) 98:14 3 (module-dependencies _) 85:18 2 (modinfo-section-contents _) In ice-9/ports.scm: 439:11 1 (call-with-input-file #f #<procedure get-bytevector-al?> ?) In unknown file: 0 (open-file #f "r" #:encoding #f #:guess-encoding #f) ERROR: In procedure open-file: Wrong type (expecting string): #f builder for `/gnu/store/…-linux-modules.drv' failed with exit code 1 * gnu/build/linux-modules.scm (find-module-file): When MODULE cannot be found, raise an error instead of returning #f. This is more useful to the user.
2018-08-21linux-modules: Adjust 'section-contents' procedure.Ludovic Courtès
* gnu/build/linux-modules.scm (section-contents): Honor SECTION as was intended. (modinfo-section-contents): Pass 'section-contents' a section, not a section name.
2018-07-29linux-initrd: Try several file names when looking up modules.Ludovic Courtès
Fixes <https://bugs.gnu.org/31714>. Reported by Tonton <tonton@riseup.net>. * gnu/build/linux-modules.scm (find-module-file): New procedure. * gnu/system/linux-initrd.scm (flat-linux-module-directory)[build-exp]: Remove 'lookup' procedure and use 'find-module-file' instead. * gnu/system/mapped-devices.scm (check-device-initrd-modules): Add comment.
2018-07-29linux-initrd: Improve check of initrd modules.Ludovic Courtès
Previously we would not strip the ".ko" suffix if present. * gnu/build/linux-modules.scm (file-name->module-name): Export. * gnu/system/mapped-devices.scm (check-device-initrd-modules): Use 'file-name->module-name' instead of 'normalize-module-name'.
2018-06-14linux-initrd: Module check correctly handles hyphen vs. underscore.Ludovic Courtès
Fixes <https://bugs.gnu.org/31714>. Reported by Vagrant Cascadian <vagrant@debian.org> and Florian Pelz <pelzflorian@pelzflorian.de>. * gnu/system/mapped-devices.scm (check-device-initrd-modules): Pass LINUX-MODULES through 'normalize-module-name'. * gnu/build/linux-modules.scm (normalize-module-name): Export.
2018-03-18glob: Add an extra glob pattern compilation stage.Ludovic Courtès
* guix/glob.scm (compile-glob-pattern): Rename to... (string->sglob): ... this. (compile-sglob, string->compiled-sglob): New procedures. (glob-match?): Replace '?, 'range, and 'set with a single clause. * tests/glob.scm (test-compile-glob-pattern): Rename to... (test-string->sglob): ... this. Adjust accordingly. (test-glob-match): Use 'string->compiled-sglob' instead of 'compile-glob-pattern'. * gnu/build/linux-modules.scm (read-module-aliases): Use 'string->compiled-sglob' instead of 'compile-glob-pattern'.
2018-03-18linux-modules: 'load-linux-module*' honors BLACK-LIST in recursive calls.Ludovic Courtès
* gnu/build/linux-modules.scm (load-linux-module*): Pass BLACK-LIST in recursive call.
2018-03-18linux-modules: Add 'current-kernel-directory'.Ludovic Courtès
* gnu/build/linux-modules.scm (current-kernel-directory): New procedure. (current-alias-file): Use it.
2018-03-03linux-modules: Add module-aliases.Danny Milosavljevic
* gnu/build/linux-modules.scm (module-aliases): New variable.
2018-03-02linux-modules: Add 'device-module-aliases' and related procedures.Ludovic Courtès
* gnu/build/linux-modules.scm (readlink*, stat->device-major) (stat->device-minor): New procedures. (%not-slash): New variable. (read-uevent, device-module-aliases, read-module-aliases) (current-alias-file, known-module-aliases, matching-modules): New procedures.
2018-02-28linux-modules: Use 'load-linux-module/fd'.Ludovic Courtès
This should be more efficient than loading the whole thing in user space. * gnu/build/linux-modules.scm (load-linux-module*): Use 'load-linux-module/fd' instead of 'load-linux-module'. Remove 'slurp'.
2017-04-11build: Fix compilation warnings.Mathieu Othacehe
* gnu/build/linux-boot.scm (define-module): Use (guix build syscalls). * gnu/build/linux-modules.scm (define-module): Ditto. * gnu/build/file-systems (define-module): Stop re-exporting mount, umount and MS_* flags as this is now safe to include (guix build syscalls) instead. (mount): Remove procedure. (umount): Ditto. Signed-off-by: Ludovic Courtès <ludo@gnu.org>
2016-02-21linux-modules: Use normalized module names for 'modprobe.blacklist'.Ludovic Courtès
* gnu/build/linux-modules.scm (normalize-module-name): New procedure. (file-name->module-name): Use it. (module-black-list): Expound docstring.
2016-01-16linux-modules: Support 'modprobe.blacklist' on the command line.Ludovic Courtès
* gnu/build/linux-modules.scm (file-name->module-name) (module-black-list): New procedure. * gnu/build/linux-modules.scm (load-linux-module*): Add #:black-list parameter. [black-listed?, load-dependencies]: New procedures. Use them.
2016-01-05linux-boot: Remove verbose output for module loads.Ludovic Courtès
* gnu/build/linux-boot.scm (boot-system): Leave 'current-module-debugging-port' unchanged. * gnu/build/linux-modules.scm (load-linux-module*): Update comment about 'mmap'.
2014-11-28linux-modules: Correctly propagate error code from 'init_module'.Ludovic Courtès
* gnu/packages/patches/guile-linux-syscalls.patch (scm_load_linux_module): Leave 'errno' unchanged when ERR != 0. * gnu/build/linux-modules.scm (load-linux-module*): Check for the errno value of ARGS to determine whether the module was already loaded.
2014-11-28system: Add (gnu build linux-modules).Ludovic Courtès
* gnu/build/linux-modules.scm: New file. * gnu-system.am (GNU_SYSTEM_MODULES): Add it.
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