mirror of
https://github.com/ilyakooo0/nixpkgs.git
synced 2025-01-06 21:42:35 +03:00
* Updates to the udev service: support persistant CD-ROM / network
interface names, use udev's own firmware loader, and dropped the sndMode option (udev puts all audio devices in the "audio" group, so users can be added to that group if necessary). svn path=/nixos/trunk/; revision=16692
This commit is contained in:
Eelco Dolstra
parent
25dbf1594e
commit
dc093b57dd
@ -31,7 +31,6 @@
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./services/databases/mysql.nix
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./services/databases/postgresql.nix
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./services/hardware/acpid.nix
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./services/hardware/firmware.nix
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./services/hardware/hal.nix
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./services/hardware/udev.nix
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./services/logging/klogd.nix
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@ -1,51 +0,0 @@
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# This module provides support for automatic loading of firmware from
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# kernel modules.
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{pkgs, config, ...}:
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with pkgs.lib;
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let
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firmwareLoader = pkgs.substituteAll {
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src = ./udev-firmware-loader.sh;
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path = "${pkgs.coreutils}/bin";
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isExecutable = true;
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firmwareDirs = config.hardware.firmware;
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};
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in
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{
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###### interface
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options = {
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hardware.firmware = mkOption {
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default = [];
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example = ["/root/my-firmware"];
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merge = mergeListOption;
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description = ''
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List of directories containing firmware files. Such files
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will be loaded automatically if the kernel asks for them
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(i.e., when it has detected specific hardware that requires
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firmware to function).
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'';
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};
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};
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###### implementation
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config = {
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services.udev.extraRules =
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''
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# Firmware loading.
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SUBSYSTEM=="firmware", ACTION=="add", RUN+="${firmwareLoader}"
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'';
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};
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}
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@ -1,32 +0,0 @@
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#! @shell@
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export PATH="@path@"
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exec > /var/log/udev-fw 2>&1
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if test "$ACTION" = "add"; then
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ls -l /sys/$DEVPATH
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if ! test -e /sys/$DEVPATH/loading; then
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echo "Firmware loading is not supported by device \`DEVPATH'."
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exit 1
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fi
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# /root/test-firmware is an impure location allowing quick testing
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# of firmwares.
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for dir in /root/test-firmware @firmwareDirs@; do
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if test -e "$dir/$FIRMWARE"; then
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echo "Loading \`$FIRMWARE' for device \`$DEVPATH' from $dir."
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echo 1 > /sys/$DEVPATH/loading
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cat "$dir/$FIRMWARE" > /sys/$DEVPATH/data
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echo 0 > /sys/$DEVPATH/loading
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exit 0
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fi
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done
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echo "Firmware \`$FIRMWARE' for device \`$DEVPATH' not found."
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echo -1 > /sys/$DEVPATH/loading
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exit 1
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fi
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@ -24,46 +24,37 @@ let
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KERNEL=="kqemu", NAME="%k", MODE="0666"
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KERNEL=="vboxdrv", NAME="vboxdrv", OWNER="root", GROUP="root", MODE="0666"
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# Create symlinks for CD/DVD devices.
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ACTION=="add", SUBSYSTEM=="block", ENV{ID_CDROM}=="?*", SYMLINK+="cdrom cdrom-%k"
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ACTION=="add", SUBSYSTEM=="block", ENV{ID_CDROM_CD_RW}=="?*", SYMLINK+="cdrw cdrw-%k"
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ACTION=="add", SUBSYSTEM=="block", ENV{ID_CDROM_DVD}=="?*", SYMLINK+="dvd dvd-%k"
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ACTION=="add", SUBSYSTEM=="block", ENV{ID_CDROM_DVD_RW}=="?*", SYMLINK+="dvdrw dvdrw-%k"
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# ALSA sound devices.
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KERNEL=="controlC[0-9]*", NAME="snd/%k", MODE="${cfg.sndMode}"
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KERNEL=="hwC[D0-9]*", NAME="snd/%k", MODE="${cfg.sndMode}"
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KERNEL=="pcmC[D0-9cp]*", NAME="snd/%k", MODE="${cfg.sndMode}"
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KERNEL=="midiC[D0-9]*", NAME="snd/%k", MODE="${cfg.sndMode}"
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KERNEL=="timer", NAME="snd/%k", MODE="${cfg.sndMode}"
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KERNEL=="seq", NAME="snd/%k", MODE="${cfg.sndMode}"
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'';
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# Perform substitutions in all udev rules files.
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udevRules = stdenv.mkDerivation {
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name = "udev-rules";
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#src = cleanSource ./udev-rules;
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buildCommand = ''
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ensureDir $out
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shopt -s nullglob
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# Use all the default udev rules.
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cp ${udev}/*/udev/rules.d/*.rules $out/
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cp ${udev}/libexec/rules.d/*.rules $out/
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# Set a reasonable $PATH for programs called by udev rules.
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echo 'ENV{PATH}="${pkgs.coreutils}/bin:${pkgs.gnused}/bin:${pkgs.utillinux}/bin"' > $out/00-path.rules
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# Set the firmware search path so that the firmware.sh helper
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# called by 50-firmware.rules works properly.
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echo 'ENV{FIRMWARE_DIRS}="${toString config.hardware.firmware}"' >> $out/00-path.rules
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# Fix some paths in the standard udev rules.
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for i in $out/*.rules; do
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substituteInPlace $i \
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--replace /sbin/modprobe ${modprobe}/sbin/modprobe \
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--replace /sbin/blkid ${pkgs.utillinux}/sbin/blkid \
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--replace /sbin/mdadm ${pkgs.mdadm}/sbin/madm
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done
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# If auto-configuration is disabled, then remove
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# udev's 80-drivers.rules file, which contains rules for
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# automatically calling modprobe.
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${if config.boot.hardwareScan then
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''
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substituteInPlace $out/80-drivers.rules \
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--replace /sbin/modprobe ${modprobe}/sbin/modprobe
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''
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else
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''
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rm $out/80-drivers.rules
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''
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}
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${if !config.boot.hardwareScan then "rm $out/80-drivers.rules" else ""}
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# Add the udev rules from other packages.
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for i in ${toString cfg.packages}; do
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@ -71,6 +62,15 @@ let
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ln -s $j $out/$(basename $j)
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done
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done
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# Use the persistent device rules (naming for CD/DVD and
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# network devices) stored in
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# /var/lib/udev/rules.d/70-persistent-{cd,net}.rules. These are
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# modified by the write_{cd,net}_rules helpers called from
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# 75-cd-aliases-generator.rules and
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# 75-persistent-net-generator.rules.
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ln -s /var/lib/udev/rules.d/70-persistent-cd.rules $out/
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ln -s /var/lib/udev/rules.d/70-persistent-net.rules $out/
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''; # */
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};
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@ -136,16 +136,18 @@ in
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'';
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};
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sndMode = mkOption {
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default = "0600";
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example = "0666";
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description = ''
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Permissions for sound devices, in case you have multiple
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logged in users or if the devices belong to root for some
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reason.
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'';
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};
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};
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hardware.firmware = mkOption {
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default = [];
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example = ["/root/my-firmware"];
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merge = mergeListOption;
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description = ''
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List of directories containing firmware files. Such files
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will be loaded automatically if the kernel asks for them
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(i.e., when it has detected specific hardware that requires
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firmware to function).
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'';
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};
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};
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@ -171,6 +173,8 @@ in
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''
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echo "" > /proc/sys/kernel/hotplug
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mkdir -p /var/lib/udev/rules.d
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# Get rid of possible old udev processes.
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${procps}/bin/pkill -u root "^udevd$" || true
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@ -182,6 +186,7 @@ in
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done
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# Start udev.
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mkdir -p /dev/.udev # !!! bug in udev?
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${udev}/sbin/udevd --daemon
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# Let udev create device nodes for all modules that have already
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