feat: add i915 microcode

Adds the microcode for the Graphics microcontroller (GuC) and H265/HEVC
microcontroller (HuC). These binaries are required in order to enable
low-power encoding, which is required for hardware transcoding on 9th
and 11th generation Intel GPUs. More details are available here:

https://jellyfin.org/docs/general/administration/hardware-acceleration/#intel-gen9-and-gen11-igpus

Signed-off-by: Andrey Smirnov <andrey.smirnov@talos-systems.com>
Signed-off-by: Brandon McNama <brandonmcnama@outlook.com>

.conform.yaml

@@ -0,0 +1,28 @@
+policies:
+  - type: commit
+    spec:
+      dco: true
+      gpg:
+        required: true
+        identity:
+          gitHubOrganization: siderolabs
+      spellcheck:
+        locale: US
+      maximumOfOneCommit: true
+      header:
+        length: 89
+        imperative: true
+        case: lower
+        invalidLastCharacters: .
+      body:
+        required: true
+      conventional:
+        types:
+          - chore
+          - docs
+          - perf
+          - refactor
+          - test
+          - release
+        scopes:
+          - .*

Makefile

@@ -42,6 +42,7 @@ TARGETS = \
 		gasket-driver \
 		gvisor \
 		hello-world-service \
+		i915-ucode \
 		intel-ucode \
 		iscsi-tools \
 		nut-client \

README.md

@@ -25,6 +25,7 @@ All system extensions provided by Sidero Labs can be found in the [ghcr.io regis
 | Name                                 | Image                                                                                                 | Description                 | Version Format           |
 | ------------------------------------ | ----------------------------------------------------------------------------------------------------- | --------------------------- | ------------------------ |
 | [amd-ucode](firmware/amd-ucode/)     | [ghcr.io/siderolabs/amd-ucode](https://github.com/siderolabs/extensions/pkgs/container/amd-ucode)     | AMD CPU microcode updates   | `linux firmware version` |
+| [i915-ucode](firmware/i915-ucode/)   | [ghcr.io/siderolabs/amd-ucode](https://github.com/siderolabs/extensions/pkgs/container/i915-ucode)    | Intel GPU firmware          | `linux firmware version` |
 | [bnx2-bnx2x](firmware/bnx2-bnx2x/)   | [ghcr.io/siderolabs/bnx2-bnx2x](https://github.com/siderolabs/extensions/pkgs/container/bnx2-bnx2x)   | Broadcom NetXtreme firmware | `linux firmware version` |
 | [intel-ucode](firmware/intel-ucode/) | [ghcr.io/siderolabs/intel-ucode](https://github.com/siderolabs/extensions/pkgs/container/intel-ucode) | Intel CPU microcode updates | `upstream version`       |
 

firmware/i915-ucode/manifest.yaml

@@ -0,0 +1,10 @@
+version: v1alpha1
+metadata:
+  name: i915-ucode
+  version: "$VERSION"
+  author: Sidero Labs
+  description: |
+    This system extension provides Intel GPU microcode binaries.
+  compatibility:
+    talos:
+      version: ">= v1.0.0"

firmware/i915-ucode/pkg.yaml

@@ -0,0 +1,19 @@
+name: i915-ucode
+variant: scratch
+shell: /toolchain/bin/bash
+dependencies:
+  - stage: base
+  - image: "{{ .PKGS_PREFIX }}/linux-firmware:{{ .PKGS_VERSION }}"
+steps:
+  - prepare:
+      - |
+        sed -i 's#$VERSION#{{ .VERSION }}#' /pkg/manifest.yaml
+    install:
+      - |
+        mkdir -p /rootfs/lib/firmware
+        cp -R -p /lib/firmware/i915 /rootfs/lib/firmware
+finalize:
+  - from: /rootfs
+    to: /rootfs
+  - from: /pkg/manifest.yaml
+    to: /

firmware/i915-ucode/vars.yaml

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