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feat(canopus): add vfio kernel modules

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tux
2025-12-25 16:52:40 +05:30
parent bb1dce3b3a
commit 61f4af216e
1 changed files with 37 additions and 29 deletions
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66
hosts/canopus/default.nix
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@@ -103,40 +103,48 @@
kernelPackages = pkgs.linuxPackages_zen; kernelPackages = pkgs.linuxPackages_zen;
supportedFilesystems = ["ntfs"]; supportedFilesystems = ["ntfs"];
initrd.systemd = { initrd = {
enable = lib.mkForce true; kernelModules = [
"vfio_pci"
"vfio"
"vfio_iommu_type1"
];
services.wipe-my-fs = { systemd = {
wantedBy = ["initrd.target"]; enable = lib.mkForce true;
after = ["initrd-root-device.target"];
before = ["sysroot.mount"];
unitConfig.DefaultDependencies = "no";
serviceConfig.Type = "oneshot";
script = ''
mkdir /btrfs_tmp
mount /dev/disk/by-partlabel/disk-primary-root /btrfs_tmp
if [[ -e /btrfs_tmp/root ]]; then services.wipe-my-fs = {
mkdir -p /btrfs_tmp/old_roots wantedBy = ["initrd.target"];
timestamp=$(date --date="@$(stat -c %Y /btrfs_tmp/root)" "+%Y-%m-%-d_%H:%M:%S") after = ["initrd-root-device.target"];
mv /btrfs_tmp/root "/btrfs_tmp/old_roots/$timestamp" before = ["sysroot.mount"];
fi unitConfig.DefaultDependencies = "no";
serviceConfig.Type = "oneshot";
script = ''
mkdir /btrfs_tmp
mount /dev/disk/by-partlabel/disk-primary-root /btrfs_tmp
delete_subvolume_recursively() { if [[ -e /btrfs_tmp/root ]]; then
IFS=$'\n' mkdir -p /btrfs_tmp/old_roots
for i in $(btrfs subvolume list -o "$1" | cut -f 9- -d ' '); do timestamp=$(date --date="@$(stat -c %Y /btrfs_tmp/root)" "+%Y-%m-%-d_%H:%M:%S")
delete_subvolume_recursively "/btrfs_tmp/$i" mv /btrfs_tmp/root "/btrfs_tmp/old_roots/$timestamp"
done fi
btrfs subvolume delete "$1"
}
for i in $(find /btrfs_tmp/old_roots/ -maxdepth 1 -mtime +30); do delete_subvolume_recursively() {
delete_subvolume_recursively "$i" IFS=$'\n'
done for i in $(btrfs subvolume list -o "$1" | cut -f 9- -d ' '); do
delete_subvolume_recursively "/btrfs_tmp/$i"
done
btrfs subvolume delete "$1"
}
btrfs subvolume create /btrfs_tmp/root for i in $(find /btrfs_tmp/old_roots/ -maxdepth 1 -mtime +30); do
umount /btrfs_tmp delete_subvolume_recursively "$i"
''; done
btrfs subvolume create /btrfs_tmp/root
umount /btrfs_tmp
'';
};
}; };
}; };