51 lines
971 B
Nix
51 lines
971 B
Nix
# 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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