nixos: Make serial agetty's bitrates configurable.
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@ -28,6 +28,17 @@ with pkgs.lib;
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'';
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};
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serialSpeed = mkOption {
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type = types.listOf types.int;
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default = [ 115200 57600 38400 9600 ];
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example = [ 38400 9600 ];
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description = ''
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Bitrates to allow for agetty's listening on serial ports. Listing more
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bitrates gives more interoperability but at the cost of long delays
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for getting a sync on the line.
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'';
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};
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};
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};
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@ -78,8 +89,9 @@ with pkgs.lib;
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X-RestartIfChanged=false
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'';
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systemd.units."serial-getty@.service".text =
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''
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systemd.units."serial-getty@.service".text = let
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speeds = with pkgs.lib; concatStringsSep "," (map toString config.services.mingetty.serialSpeed);
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in ''
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[Unit]
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Description=Serial Getty on %I
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Documentation=man:agetty(8) man:systemd-getty-generator(8)
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@ -95,7 +107,7 @@ with pkgs.lib;
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[Service]
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Environment=TERM=linux
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Environment=LOCALE_ARCHIVE=/run/current-system/sw/lib/locale/locale-archive
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ExecStart=@${pkgs.utillinux}/sbin/agetty agetty --login-program ${pkgs.shadow}/bin/login %I 115200,57600,38400,9600
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ExecStart=@${pkgs.utillinux}/sbin/agetty agetty --login-program ${pkgs.shadow}/bin/login %I ${speeds}
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Type=idle
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Restart=always
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RestartSec=0
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