feat: add vc4 extension

Use v3d and vc4 kernel module.

Fixes: #636

Signed-off-by: jvanthienen-gluo <jorn.vanthienen@gluo.be>
Signed-off-by: Noel Georgi <git@frezbo.dev>

.kres.yaml

@@ -54,6 +54,7 @@ spec:
     - usb-modem-drivers
     - util-linux-tools
     - v4l-uvc-drivers
+    - vc4
     - vmtoolsd-guest-agent
     - wasmedge
     - xen-guest-agent

MAINTAINERS.md

@@ -60,6 +60,7 @@ If the field is marked as `Needs Maintainer`, it means that the package is curre
 | usb-modem-drivers                         | Sidero Labs        | NA                                                                   |
 | util-linux-tools                          | Sidero Labs        | NA                                                                   |
 | v4l-uvc-drivers                           | Jacob McSwain      | [USA-RedDragon](https://github.com/USA-RedDragon)                    |
+| vc4                                       | Jorn Vanthienen    | [Jorn Vanthienen](https://github.com/jvanthienen-gluo)               |
 | vmtoolsd-guest-agent                      | Robin Elfrink      | [robinelfrink](https://github.com/robinelfrink)                      |
 | wasmedge                                  | Sidero Labs        | NA                                                                   |
 | xen-guest-agent                           | Jerwin NJ          | [j3rwin](https://github.com/j3rwin)                                  |

Makefile

@@ -1,6 +1,6 @@
 # THIS FILE WAS AUTOMATICALLY GENERATED, PLEASE DO NOT EDIT.
 #
-# Generated on 2025-03-31T15:56:51Z by kres d903dae.
+# Generated on 2025-03-31T09:46:13Z by kres d903dae.
 
 # common variables
 
@@ -109,6 +109,7 @@ TARGETS += uinput
 TARGETS += usb-modem-drivers
 TARGETS += util-linux-tools
 TARGETS += v4l-uvc-drivers
+TARGETS += vc4
 TARGETS += vmtoolsd-guest-agent
 TARGETS += wasmedge
 TARGETS += xen-guest-agent

README.md

@@ -69,6 +69,7 @@ cosign verify --certificate-identity-regexp '@siderolabs\.com$' --certificate-oi
 | [amdgpu](drm/amdgpu/)    | [ghcr.io/siderolabs/amdgpu](https://github.com/siderolabs/extensions/pkgs/container/amdgpu)     | AMD GPU firmware and drivers      | `linux firmware version`-`talos version` |
 | [i915](drm/i915/)        | [ghcr.io/siderolabs/i915](https://github.com/siderolabs/extensions/pkgs/container/i915)         | Intel GPU firmware and drivers    | `linux firmware version`-`talos version` |
 | [panfrost](drm/panfrost) | [ghcr.io/siderolabs/panfrost](https://github.com/siderolabs/extensions/pkgs/container/panfrost) | Panfrost GPU firmware and drivers | `linux firmware version`-`talos version` |
+| [vc4](drm/vc4) | [ghcr.io/siderolabs/vc4](https://github.com/siderolabs/extensions/pkgs/container/vc4) | Broadcom VideoCore GPU drivers | `talos version` |
 
 ### Drivers
 

drm/vc4/files/modules.txt

@@ -0,0 +1,12 @@
+modules.order
+modules.builtin
+modules.builtin.modinfo
+kernel/drivers/gpu/drm/v3d/v3d.ko
+kernel/drivers/gpu/drm/vc4/vc4.ko
+kernel/sound/soundcore.ko
+kernel/sound/core/snd.ko
+kernel/sound/core/snd-timer.ko
+kernel/sound/core/snd-pcm.ko
+kernel/sound/core/snd-pcm-dmaengine.ko
+kernel/sound/soc/snd-soc-core.ko
+kernel/sound/soc/codecs/snd-soc-hdmi-codec.ko

drm/vc4/manifest.yaml

@@ -0,0 +1,10 @@
+version: v1alpha1
+metadata:
+  name: vc4
+  version: "$VERSION"
+  author: Gluo NV
+  description: |
+    This system extension provides kernel modules for Broadcom VideoCore GPU.
+  compatibility:
+    talos:
+      version: ">= v1.10.0"

drm/vc4/pkg.yaml

@@ -0,0 +1,52 @@
+name: vc4
+variant: scratch
+shell: /bin/bash
+# {{ if eq .ARCH "aarch64" }} This in fact is YAML comment, but Go templating instruction is evaluated by bldr
+dependencies:
+  - stage: base
+  # The pkgs version for a particular release of Talos as defined in
+  # https://github.com/siderolabs/talos/blob/<talos version>/pkg/machinery/gendata/data/pkgs
+  - image: "{{ .BUILD_ARG_PKGS_PREFIX }}/kernel:{{ .BUILD_ARG_PKGS }}"
+steps:
+  - prepare:
+      - |
+        sed -i 's#$VERSION#{{ .VERSION }}#' /pkg/manifest.yaml
+
+        mkdir -p /rootfs
+  - install:
+      - |
+        export KERNELRELEASE=$(find /usr/lib/modules -type d -name "*-talos" -exec basename {} \+)
+
+        mkdir -p /rootfs
+
+        xargs -a /pkg/files/modules.txt -I {} install -D /usr/lib/modules/${KERNELRELEASE}/{} /rootfs/usr/lib/modules/${KERNELRELEASE}/{}
+        depmod -b /rootfs/usr ${KERNELRELEASE}
+  - test:
+      - |
+        # https://www.kernel.org/doc/html/v4.15/admin-guide/module-signing.html#signed-modules-and-stripping
+        find /rootfs/usr/lib/modules -name '*.ko' -exec grep -FL '~Module signature appended~' {} \+
+      - |
+        mkdir -p /extensions-validator-rootfs
+        cp -r /rootfs/ /extensions-validator-rootfs/rootfs
+        cp /pkg/manifest.yaml /extensions-validator-rootfs/manifest.yaml
+        /extensions-validator validate --rootfs=/extensions-validator-rootfs --pkg-name="${PKG_NAME}"
+finalize:
+  - from: /rootfs
+    to: /rootfs
+  - from: /pkg/manifest.yaml
+    to: /
+# {{ else }} This in fact is YAML comment, but Go templating instruction is evaluated by bldr
+dependencies:
+  - stage: base
+steps:
+  - prepare:
+      - |
+        sed -i 's#$VERSION#{{ .VERSION }}#' /pkg/manifest.yaml
+      - |
+        mkdir /rootfs
+finalize:
+  - from: /pkg/manifest.yaml
+    to: /manifest.yaml
+  - from: /rootfs
+    to: /rootfs
+  # {{ end }} This in fact is YAML comment, but Go templating instruction is evaluated by bldr

drm/vc4/vars.yaml

@@ -0,0 +1 @@
+VERSION: "{{ .BUILD_ARG_TAG }}"

hack/release.toml

@@ -61,6 +61,12 @@ The containerd CLI (ctr) is now supported as a system extension.
         title = "Amazon ENA"
         description = """\
 The Amazon Elastic Network Adapter (ENA) driver is now supported as a system extension.
+"""
+
+    [notes.vc4]
+        title = "vc4"
+        description = """\
+The Broadcom VideoCore GPU kernel modules (vc4) are now supported as a system extension.
 """
 
 [make_deps]