static: create device nodes if nvidia driver is loaded

Do the same actions as the 71-nvidia.rules files shipped by
nvidia-kernel-common-* in case the nvidia driver has been loaded in
the system.

static/usr/bin/nvidia-create-device

@@ -0,0 +1,11 @@
+#!/bin/sh -eux
+
+mknod -m 666 /dev/nvidia0 c 195 0
+mknod -m 666 /dev/nvidiactl c 195 255
+mknod -m 666 /dev/nvidia-modeset c 195 254
+
+major=$(sed -n 's|^\([0-9]*\) nvidia-uvm$|\1|p' /proc/devices)
+if [ -n "$major" ]; then
+    mknod -m 666 /dev/nvidia-uvm c "$major" 0
+    mknod -m 666 /dev/nvidia-uvm-tools c "$major" 1
+fi

static/usr/lib/udev/rules.d/71-nvidia.rules

@@ -2,10 +2,28 @@
 #
 # Tag the device as master-of-seat so that logind is happy
 # (see LP: #1365336)
-SUBSYSTEM=="pci", ATTRS{vendor}=="0x10de", TAG+="seat", TAG+="master-of-seat"
+SUBSYSTEM=="pci", ATTRS{vendor}=="0x10de", DRIVERS=="nvidia", TAG+="seat", TAG+="master-of-seat"
+
+# Load and unload nvidia-modeset module
+ACTION=="add", DEVPATH=="/bus/pci/drivers/nvidia", RUN+="/sbin/modprobe nvidia-modeset"
+ACTION=="remove", DEVPATH=="/bus/pci/drivers/nvidia", RUN+="/sbin/modprobe -r nvidia-modeset"
+
+# Load and unload nvidia-drm module
+ACTION=="add", DEVPATH=="/bus/pci/drivers/nvidia", RUN+="/sbin/modprobe nvidia-drm"
+ACTION=="remove", DEVPATH=="/bus/pci/drivers/nvidia", RUN+="/sbin/modprobe -r nvidia-drm"
+
+# Load and unload nvidia-uvm module
+ACTION=="add", DEVPATH=="/bus/pci/drivers/nvidia", RUN+="/sbin/modprobe nvidia-uvm"
+ACTION=="remove", DEVPATH=="/bus/pci/drivers/nvidia", RUN+="/sbin/modprobe -r nvidia-uvm"
+
+# This will create the device nvidia device nodes
+ACTION=="add", DEVPATH=="/bus/pci/drivers/nvidia", RUN+="/usr/bin/nvidia-create-device"
+
+# Create the device node for the nvidia-uvm module
+ACTION=="add", DEVPATH=="/module/nvidia_uvm", SUBSYSTEM=="module", RUN+="/usr/bin/nvidia-create-device"
 
 # Enable runtime PM for NVIDIA VGA/3D controller devices
-ACTION=="add", SUBSYSTEM=="pci", ATTR{vendor}=="0x10de", ATTR{class}=="0x03[0-9]*", TEST=="power/control", ATTR{power/control}="auto"
+ACTION=="bind", SUBSYSTEM=="pci", ATTR{vendor}=="0x10de", ATTR{class}=="0x03[0-9]*", TEST=="power/control", ATTR{power/control}="auto"
 
 # Enable runtime PM for NVIDIA Audio devices
 ACTION=="add", SUBSYSTEM=="pci", ATTR{vendor}=="0x10de", ATTR{class}=="0x040300", TEST=="power/control", ATTR{power/control}="auto"