feat: add kvmfr akmod

For use with looking-glass when doing GPU passthrough in virtual machines.
The shm file used currently in bazzite is deprecated.

Containerfile.common

@@ -47,6 +47,7 @@ RUN if grep -qv "surface" <<< "${KERNEL_FLAVOR}"; then \
     /tmp/build-kmod-bmi260.sh && \
     /tmp/build-kmod-bmi323.sh && \
     /tmp/build-kmod-gcadapter_oc.sh && \
+    /tmp/build-kmod-kvmfr.sh && \
     /tmp/build-kmod-nct6687d.sh && \
     /tmp/build-kmod-openrazer.sh && \
     /tmp/build-kmod-ryzen-smu.sh && \

README.md

@@ -19,6 +19,7 @@ Feel free to PR more kmod build scripts into this repo!
 - [bmi323](https://github.com/hhd-dev/bmi260) - kernel module driver for the Bosch BMI323 IMU (akmod from [ublue-os/akmods copr](https://copr.fedorainfracloud.org/coprs/ublue-os/akmods/))
 - [evdi](www.displaylink.com) - kernel module required for use of displaylink (akmod from [negativo17 multimedia repo](https://negativo17.org/multimedia/)
 - [gcadapter_oc](https://github.com/hannesmann/gcadapter-oc-kmod) - kernel module for overclocking the Nintendo Wii U/Mayflash GameCube adapter (akmod from [ublue-os/akmods copr](https://copr.fedorainfracloud.org/coprs/ublue-os/akmods/))
+- [kvmfr](https://github.com/gnif/looking-glass) - KVM framebuffer relay kernel module for use with Looking Glass (akmod from [hikariknight/looking-glass-kvmfr-akmod copr](https://copr.fedorainfracloud.org/coprs/hikariknight/looking-glass-kvmfr/))
 - [nct6687d](https://github.com/Fred78290/nct6687d) - Linux kernel module for Nuvoton NCT6687-R found on AMD B550 chipset motherboards (akmod from [ublue-os/akmods copr](https://copr.fedorainfracloud.org/coprs/ublue-os/akmods/))
 - [nvidia](https://rpmfusion.org/Howto/NVIDIA) - nvidia GPU drivers built from rpmfusion
 - [openrazer](https://openrazer.github.io/) - kernel module adding additional features to Razer hardware (akmod from [ublue-os/akmods copr](https://copr.fedorainfracloud.org/coprs/ublue-os/akmods/))

build-kmod-kvmfr.sh

@@ -0,0 +1,24 @@
+#!/bin/sh
+
+set -oeux pipefail
+
+ARCH="$(rpm -E '%_arch')"
+KERNEL="$(rpm -q "${KERNEL_NAME}" --queryformat '%{VERSION}-%{RELEASE}.%{ARCH}')"
+RELEASE="$(rpm -E '%fedora')"
+
+if [[ "${RELEASE}" -ge 41 ]]; then
+    COPR_RELEASE="rawhide"
+else
+    COPR_RELEASE="${RELEASE}"
+fi
+
+wget "https://copr.fedorainfracloud.org/coprs/hikariknight/looking-glass-kvmfr/repo/fedora-${COPR_RELEASE}/hikariknight-looking-glass-kvmfr-fedora-${COPR_RELEASE}.repo" -O /etc/yum.repos.d/_copr_hikariknight-looking-glass-kvmfr.repo
+
+### BUILD kvmfr (succeed or fail-fast with debug output)
+rpm-ostree install \
+    "akmod-kvmfr-*.fc${RELEASE}.${ARCH}"
+akmods --force --kernels "${KERNEL}" --kmod kvmfr
+modinfo "/usr/lib/modules/${KERNEL}/extra/kvmfr/kvmfr.ko.xz" > /dev/null \
+|| (find /var/cache/akmods/kvmfr/ -name \*.log -print -exec cat {} \; && exit 1)
+
+rm -f /etc/yum.repos.d/_copr_hikariknight-looking-glass-kvmfr.repo