feat: Init

build/etc/nestri/configs/MangoHud/MangoHud.conf

@@ -0,0 +1,48 @@
+legacy_layout=false
+
+# common
+horizontal
+horizontal_stretch
+hud_no_margin
+no_small_font
+background_alpha=0.66
+round_corners=0
+background_color=000000
+font_size=24
+position=top-left
+engine_short_names
+
+# colors
+text_color=DFDFDF
+gpu_color=FF4E00
+cpu_color=00AA00
+engine_color=00AA00
+vram_color=00AA00
+ram_color=00AA00
+frametime_color=FF4E00
+
+# load colors
+cpu_load_color=DFDFDF,DF964D,DF3D3D
+gpu_load_color=DFDFDF,DF964D,DF3D3D
+
+# GPU and VRAM
+gpu_text=NESTRI
+gpu_stats
+gpu_load_change
+gpu_load_value=70,90
+
+vram
+
+# CPU and RAM
+cpu_text=CPU
+cpu_stats
+cpu_load_change
+cpu_load_value=70,90
+
+ram
+
+# FPS and timing
+fps
+fps_metrics=0.01
+
+frame_timing

build/etc/pipewire/pipewire.conf.d/nestri-loopback.conf

@@ -0,0 +1,26 @@
+context.modules = [
+    {
+        name = libpipewire-module-loopback
+        args = {
+            node.description = "Nestri Audio"
+            capture.props = {
+                node.name                      = "nestri-sink"
+                media.class                    = "Audio/Sink"
+                media.type                     = "Audio"
+                audio.position                 = [FL FR]
+                node.always-process            = true
+                session.suspend-timeout-seconds = 0
+                priority.session               = 10000
+                priority.driver                = 10000
+            }
+            playback.props = {
+                node.name                      = "nestri-source"
+                media.class                    = "Audio/Source"
+                media.type                     = "Audio"
+                audio.position                 = [FL FR]
+                node.always-process            = true
+                session.suspend-timeout-seconds = 0
+            }
+        }
+    }
+]

build/etc/pipewire/pipewire.conf.d/nestri-low-latency.conf

@@ -0,0 +1,7 @@
+context.properties = {
+    default.clock.rate = 48000
+    default.clock.allowed-rates = [48000]
+    default.clock.min-quantum = 128
+    default.clock.max-quantum = 1024
+    default.clock.quantum = 512
+}

build/etc/systemd/system/microvm.target

@@ -0,0 +1,4 @@
+[Unit]
+Description=Nestri microVM system
+AllowIsolate=yes
+Wants=systemd-journald.socket systemd-udevd.service dbus.socket

build/etc/systemd/system/microvm.target.wants/nestri-network.service

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+../nestri-network.service

build/etc/systemd/system/microvm.target.wants/nestri-pipewire-pulse.socket

@@ -0,0 +1 @@
+../nestri-pipewire-pulse.socket

build/etc/systemd/system/microvm.target.wants/nestri-pwbridge.socket

@@ -0,0 +1 @@
+../nestri-pwbridge.socket

build/etc/systemd/system/microvm.target.wants/nestri-remote.service

@@ -0,0 +1 @@
+../nestri-remote.service

build/etc/systemd/system/microvm.target.wants/nestri-session-bus.socket

@@ -0,0 +1 @@
+../nestri-session-bus.socket

build/etc/systemd/system/microvm.target.wants/nestri-user-session.service

@@ -0,0 +1 @@
+../nestri-user-session.service

build/etc/systemd/system/microvm.target.wants/nestri-wayland-proxy.socket

@@ -0,0 +1 @@
+../nestri-wayland-proxy.socket

build/etc/systemd/system/nestri-network.service

@@ -0,0 +1,14 @@
+[Unit]
+Description=Configure VM network via muvm
+DefaultDependencies=no
+Before=network.target
+After=systemd-udevd.service
+Wants=microvm.target
+
+[Service]
+Type=oneshot
+ExecStart=/opt/bin/muvm-configure-network
+RemainAfterExit=yes
+
+[Install]
+WantedBy=microvm.target

build/etc/systemd/system/nestri-pipewire-pulse.service

@@ -0,0 +1,15 @@
+[Unit]
+Description=PipeWire PulseAudio compatibility daemon
+Requires=nestri-pipewire-pulse.socket
+After=nestri-pwbridge.service
+
+[Service]
+Type=exec
+ExecStartPre=/bin/mkdir -p /run/vm-user/pulse
+ExecStart=/usr/bin/pipewire-pulse
+Environment=XDG_RUNTIME_DIR=/run/vm-user
+Environment=PIPEWIRE_RUNTIME_DIR=/run/vm-user
+User=nestri
+Group=nestri
+Restart=on-failure
+RestartSec=1

build/etc/systemd/system/nestri-pipewire-pulse.socket

@@ -0,0 +1,13 @@
+[Unit]
+Description=PipeWire PulseAudio compatibility socket
+PartOf=nestri-pipewire-pulse.service
+After=nestri-pwbridge.socket nestri-user-session.service
+Requires=nestri-pwbridge.socket nestri-user-session.service
+
+[Socket]
+ListenStream=/run/vm-user/pulse/native
+SocketUser=nestri
+SocketGroup=nestri
+
+[Install]
+WantedBy=microvm.target

build/etc/systemd/system/nestri-procsys-rw.service

@@ -0,0 +1,12 @@
+[Unit]
+Description=Make /proc/sys writable for muvm
+DefaultDependencies=no
+Before=systemd-sysctl.service systemd-tmpfiles-setup.service
+After=local-fs-pre.target
+
+[Service]
+Type=oneshot
+RemainAfterExit=yes
+# umount the ro bind mount; exit 0 so service succeeds
+# even if there's nothing to unmount (defensive)
+ExecStart=/bin/sh -c 'umount /proc/sys 2>/dev/null || true'

build/etc/systemd/system/nestri-pwbridge.service

@@ -0,0 +1,7 @@
+[Unit]
+Description=PipeWire cross-domain proxy
+Requires=nestri-pwbridge.socket
+
+[Service]
+Type=exec
+ExecStart=/opt/bin/muvm-pwbridge

build/etc/systemd/system/nestri-pwbridge.socket

@@ -0,0 +1,13 @@
+[Unit]
+Description=PipeWire cross-domain proxy socket
+PartOf=nestri-pwbridge.service
+After=nestri-user-session.service
+Requires=nestri-user-session.service
+
+[Socket]
+ListenStream=/run/vm-user/pipewire-0
+SocketUser=nestri
+SocketGroup=nestri
+
+[Install]
+WantedBy=microvm.target

build/etc/systemd/system/nestri-remote.service

@@ -0,0 +1,33 @@
+[Unit]
+Description=microVM application runner
+OnFailure=exit.target
+OnSuccess=exit.target
+Wants=sockets.target
+After=sockets.target
+
+[Service]
+Type=exec
+PassEnvironment=MUVM_REMOTE_CONFIG MESA_LOADER_DRIVER_OVERRIDE TERM VK_DRIVER_FILES
+Environment=DBUS_SESSION_BUS_ADDRESS=unix:path=/run/vm-user/dbus.sock
+Environment=XDG_RUNTIME_DIR=/run/vm-user
+Environment=WAYLAND_DISPLAY=wayland-1
+Environment=XDG_SESSION_TYPE=wayland
+Environment=PULSE_SERVER=unix:/run/vm-user/pulse/native
+Environment=SDL_AUDIO_DRIVER=pipewire
+Environment=MESA_LOADER_DRIVER_OVERRIDE=zink
+Environment=GALLIUM_DRIVER=zink
+Environment=XAUTHORITY=/run/vm-user/xauth
+Environment=MANGOHUD_CONFIGFILE=/etc/nestri/configs/MangoHud/MangoHud.conf
+#Environment=SDL_VIDEODRIVER=wayland
+Environment=PATH=/usr/bin:/usr/sbin:/bin:/sbin
+User=root
+Group=root
+ExecStartPre=+/bin/chown nestri:nestri /run/vm-user
+ExecStart=/opt/bin/muvm-remote
+StandardOutput=tty
+StandardInput=tty
+StandardError=tty
+TTYPath=/dev/hvc0
+
+[Install]
+WantedBy=microvm.target

build/etc/systemd/system/nestri-session-bus.service

@@ -0,0 +1,9 @@
+[Unit]
+Description=D-Bus session bus
+Requires=nestri-session-bus.socket
+
+[Service]
+Type=exec
+ExecStart=/usr/bin/dbus-daemon --session --address=systemd: --nofork --nopidfile --syslog-only
+User=nestri
+Group=nestri

build/etc/systemd/system/nestri-session-bus.socket

@@ -0,0 +1,13 @@
+[Unit]
+Description=D-Bus session bus socket
+PartOf=nestri-session-bus.service
+After=nestri-user-session.service
+Requires=nestri-user-session.service
+
+[Socket]
+ListenStream=/run/vm-user/dbus.sock
+SocketUser=nestri
+SocketGroup=nestri
+
+[Install]
+WantedBy=microvm.target

build/etc/systemd/system/nestri-user-session.service

@@ -0,0 +1,13 @@
+[Unit]
+Description=Prepare VM user runtime directory
+DefaultDependencies=no
+Before=nestri-wayland-proxy.socket nestri-pwbridge.socket nestri-session-bus.socket
+After=local-fs.target
+
+[Service]
+Type=oneshot
+ExecStart=/bin/bash -c 'mkdir -p /run/vm-user && chown 1000:1000 /run/vm-user && chmod 700 /run/vm-user'
+RemainAfterExit=yes
+
+[Install]
+WantedBy=microvm.target

build/etc/systemd/system/nestri-wayland-proxy.service

@@ -0,0 +1,12 @@
+[Unit]
+Description=Wayland cross-domain proxy
+Requires=nestri-wayland-proxy.socket
+
+[Service]
+Type=exec
+ExecStartPre=+/bin/chmod 0666 /dev/dri/card0 /dev/dri/renderD128
+ExecStart=/usr/bin/wl-cross-domain-proxy --listen-fd
+User=nestri
+Group=nestri
+StandardOutput=file:/tmp/wayland-proxy.log
+StandardError=file:/tmp/wayland-proxy-err.log

build/etc/systemd/system/nestri-wayland-proxy.socket

@@ -0,0 +1,14 @@
+[Unit]
+Description=Wayland cross-domain proxy socket
+PartOf=nestri-wayland-proxy.service
+After=nestri-user-session.service
+Requires=nestri-user-session.service
+
+[Socket]
+ListenStream=/run/vm-user/wayland-1
+SocketUser=nestri
+SocketGroup=nestri
+FileDescriptorName=wayland
+
+[Install]
+WantedBy=microvm.target

build/etc/systemd/system/sysinit.target.wants/nestri-procsys-rw.service

@@ -0,0 +1 @@
+../nestri-procsys-rw.service

build/etc/wireplumper/wireplumper.conf.d/nestri-low-latency.conf

@@ -0,0 +1,30 @@
+{
+  "wireplumber.rules": [
+    {
+      "description": "Global audio format and rate for audio nodes",
+      "matches": [
+        { "media.class": "Audio/Sink" },
+        { "media.class": "Audio/Source" }
+      ],
+      "apply_properties": {
+        "audio.format": "F32P",
+        "audio.rate": 48000,
+        "audio.channels": 2,
+        "session.suspend-timeout-seconds": 0
+      }
+    },
+
+    {
+      "description": "PulseAudio bridge specific tweaks",
+      "matches": [
+        { "node.name": "pulse_sink" },
+        { "node.name": "pulse_source" }
+      ],
+      "apply_properties": {
+        "pulse.min.req": 128,
+        "pulse.max.req": 1024,
+        "pulse.idle.timeout": 0
+      }
+    }
+  ]
+}