···

       
46
       
 
       
      message = "KVMGT is not properly supported for kernels older than 4.16";

     

       
47
       
 
       
    };

     

       
48
       
 
       
    boot.kernelParams = [ "i915.enable_gvt=1" ];

     

       
0
       
 
       

     

       
0
       
 
       

     

       
0
       
 
       

     

       
0
       
 
       

     

       
0
       
 
       

     

       
0
       
 
       

     

       
0
       
 
       

     

       
0
       
 
       

     

       
0
       
 
       

     

       
49
       
 
       
    systemd.services = mapAttrs' (name: value:

     

       
50
       
 
       
      nameValuePair "kvmgt-${name}" {

     

       
51
       
 
       
        description = "KVMGT VGPU ${name}";

     

       
52
       
 
       
        serviceConfig = {

     

       
53
       
-
       
          Type = "forking";

     

       
54
       
 
       
          RemainAfterExit = true;

     

       
55
       
-
       
          Restart = "on-failure";

     

       
56
       
-
       
          RestartSec = 5;

     

       
57
       
 
       
          ExecStart = "${pkgs.runtimeShell} -c 'echo ${value.uuid} > /sys/bus/pci/devices/${cfg.device}/mdev_supported_types/${name}/create'";

     

       
58
       
 
       
          ExecStop = "${pkgs.runtimeShell} -c 'echo 1 > /sys/bus/pci/devices/${cfg.device}/${value.uuid}/remove'";

     

       
59
       
 
       
        };

     

       
60
       
-
       
        unitConfig = {

     

       
61
       
-
       
          StartLimitBurst = 5;

     

       
62
       
-
       
          StartLimitIntervalSec = 30;

     

       
63
       
-
       
        };

     

       
64
       
-
       
        wantedBy = [ "multi-user.target" ];

     

       
65
       
 
       
      }

     

       
66
       
 
       
    ) cfg.vgpus;

     

       
67
       
 
       
  };

     

···

       
46
       
 
       
      message = "KVMGT is not properly supported for kernels older than 4.16";

     

       
47
       
 
       
    };

     

       
48
       
 
       
    boot.kernelParams = [ "i915.enable_gvt=1" ];

     

       
49
       
+
       
    systemd.paths = mapAttrs' (name: value:

     

       
50
       
+
       
      nameValuePair "kvmgt-${name}" {

     

       
51
       
+
       
        description = "KVMGT VGPU ${name} path";

     

       
52
       
+
       
        wantedBy = [ "multi-user.target" ];

     

       
53
       
+
       
        pathConfig = {

     

       
54
       
+
       
          PathExists = "/sys/bus/pci/devices/${cfg.device}/mdev_supported_types/${name}/create";

     

       
55
       
+
       
        };

     

       
56
       
+
       
      }

     

       
57
       
+
       
    ) cfg.vgpus;

     

       
58
       
 
       
    systemd.services = mapAttrs' (name: value:

     

       
59
       
 
       
      nameValuePair "kvmgt-${name}" {

     

       
60
       
 
       
        description = "KVMGT VGPU ${name}";

     

       
61
       
 
       
        serviceConfig = {

     

       
62
       
+
       
          Type = "oneshot";

     

       
63
       
 
       
          RemainAfterExit = true;

     

       
0
       
 
       

     

       
0
       
 
       

     

       
64
       
 
       
          ExecStart = "${pkgs.runtimeShell} -c 'echo ${value.uuid} > /sys/bus/pci/devices/${cfg.device}/mdev_supported_types/${name}/create'";

     

       
65
       
 
       
          ExecStop = "${pkgs.runtimeShell} -c 'echo 1 > /sys/bus/pci/devices/${cfg.device}/${value.uuid}/remove'";

     

       
66
       
 
       
        };

     

       
0
       
 
       

     

       
0
       
 
       

     

       
0
       
 
       

     

       
0
       
 
       

     

       
0
       
 
       

     

       
67
       
 
       
      }

     

       
68
       
 
       
    ) cfg.vgpus;

     

       
69
       
 
       
  };