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nixos/kvmgt: fix starting condition

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This commit is contained in:
gnidorah 2019-05-26 22:02:43 +03:00
parent bc94dcf500
commit eac62f61d1
1 changed files with 10 additions and 8 deletions
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18
nixos/modules/virtualisation/kvmgt.nix
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@ -46,22 +46,24 @@ in {
message = "KVMGT is not properly supported for kernels older than 4.16"; message = "KVMGT is not properly supported for kernels older than 4.16";
}; };
boot.kernelParams = [ "i915.enable_gvt=1" ]; boot.kernelParams = [ "i915.enable_gvt=1" ];
systemd.paths = mapAttrs' (name: value:
nameValuePair "kvmgt-${name}" {
description = "KVMGT VGPU ${name} path";
wantedBy = [ "multi-user.target" ];
pathConfig = {
PathExists = "/sys/bus/pci/devices/${cfg.device}/mdev_supported_types/${name}/create";
};
}
) cfg.vgpus;
systemd.services = mapAttrs' (name: value: systemd.services = mapAttrs' (name: value:
nameValuePair "kvmgt-${name}" { nameValuePair "kvmgt-${name}" {
description = "KVMGT VGPU ${name}"; description = "KVMGT VGPU ${name}";
serviceConfig = { serviceConfig = {
Type = "forking"; Type = "oneshot";
RemainAfterExit = true; RemainAfterExit = true;
Restart = "on-failure";
RestartSec = 5;
ExecStart = "${pkgs.runtimeShell} -c 'echo ${value.uuid} > /sys/bus/pci/devices/${cfg.device}/mdev_supported_types/${name}/create'"; ExecStart = "${pkgs.runtimeShell} -c 'echo ${value.uuid} > /sys/bus/pci/devices/${cfg.device}/mdev_supported_types/${name}/create'";
ExecStop = "${pkgs.runtimeShell} -c 'echo 1 > /sys/bus/pci/devices/${cfg.device}/${value.uuid}/remove'"; ExecStop = "${pkgs.runtimeShell} -c 'echo 1 > /sys/bus/pci/devices/${cfg.device}/${value.uuid}/remove'";
}; };
unitConfig = {
StartLimitBurst = 5;
StartLimitIntervalSec = 30;
};
wantedBy = [ "multi-user.target" ];
} }
) cfg.vgpus; ) cfg.vgpus;
}; };