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nixos/libvirtd: allow to provide both x86 and aarch64 ovmf

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This commit is contained in:
Guillaume Girol 2022-05-14 12:00:00 +00:00
parent 9ccccc3e25
commit 110c6e6c96
1 changed files with 34 additions and 17 deletions
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51
nixos/modules/virtualisation/libvirtd.nix
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@ -11,10 +11,9 @@ let
auth_unix_rw = "polkit"
${cfg.extraConfig}
'';
ovmfFilePrefix = if pkgs.stdenv.isAarch64 then "AAVMF" else "OVMF";
qemuConfigFile = pkgs.writeText "qemu.conf" ''
${optionalString cfg.qemu.ovmf.enable ''
nvram = [ "/run/libvirt/nix-ovmf/${ovmfFilePrefix}_CODE.fd:/run/libvirt/nix-ovmf/${ovmfFilePrefix}_VARS.fd" ]
nvram = [ "/run/libvirt/nix-ovmf/AAVMF_CODE.fd:/run/libvirt/nix-ovmf/AAVMF_VARS.fd", "/run/libvirt/nix-ovmf/OVMF_CODE.fd:/run/libvirt/nix-ovmf/OVMF_VARS.fd" ]
''}
${optionalString (!cfg.qemu.runAsRoot) ''
user = "qemu-libvirtd"
@ -36,13 +35,20 @@ let
'';
};
# mkRemovedOptionModule does not work in submodules, do it manually
package = mkOption {
type = types.package;
default = pkgs.OVMF;
defaultText = literalExpression "pkgs.OVMF";
example = literalExpression "pkgs.OVMFFull";
type = types.nullOr types.package;
default = null;
internal = true;
};
packages = mkOption {
type = types.listOf types.package;
default = [ pkgs.OVMF.fd ];
defaultText = literalExpression "[ pkgs.OVMF.fd ]";
example = literalExpression "[ pkgs.OVMFFull.fd pkgs.pkgsCross.aarch64-multiplatform.OVMF.fd ]";
description = ''
OVMF package to use.
List of OVMF packages to use. Each listed package must contain files names FV/OVMF_CODE.fd and FV/OVMF_VARS.fd or FV/AAVMF_CODE.fd and FV/AAVMF_VARS.fd
'';
};
};
@ -141,9 +147,9 @@ in
(mkRenamedOptionModule
[ "virtualisation" "libvirtd" "qemuOvmf" ]
[ "virtualisation" "libvirtd" "qemu" "ovmf" "enable" ])
(mkRenamedOptionModule
(mkRemovedOptionModule
[ "virtualisation" "libvirtd" "qemuOvmfPackage" ]
[ "virtualisation" "libvirtd" "qemu" "ovmf" "package" ])
"If this option was set to `foo`, set the option `virtualisation.libvirtd.qemu.ovmf.packages' to `[foo.fd]` instead.")
(mkRenamedOptionModule
[ "virtualisation" "libvirtd" "qemuSwtpm" ]
[ "virtualisation" "libvirtd" "qemu" "swtpm" "enable" ])
@ -238,12 +244,15 @@ in
assertions = [
{
assertion = config.security.polkit.enable;
message = "The libvirtd module currently requires Polkit to be enabled ('security.polkit.enable = true').";
assertion = config.virtualisation.libvirtd.qemu.ovmf.package == null;
message = ''
The option virtualisation.libvirtd.qemu.ovmf.package is superseded by virtualisation.libvirtd.qemu.ovmf.packages.
If this option was set to `foo`, set the option `virtualisation.libvirtd.qemu.ovmf.packages' to `[foo.fd]` instead.
'';
}
{
assertion = builtins.elem "fd" cfg.qemu.ovmf.package.outputs;
message = "The option 'virtualisation.libvirtd.qemuOvmfPackage' needs a package that has an 'fd' output.";
assertion = config.security.polkit.enable;
message = "The libvirtd module currently requires Polkit to be enabled ('security.polkit.enable = true').";
}
];
@ -303,10 +312,18 @@ in
ln -s --force ${cfg.qemu.package}/$helper /run/${dirName}/nix-helpers/
done
${optionalString cfg.qemu.ovmf.enable ''
ln -s --force ${cfg.qemu.ovmf.package.fd}/FV/${ovmfFilePrefix}_CODE.fd /run/${dirName}/nix-ovmf/
ln -s --force ${cfg.qemu.ovmf.package.fd}/FV/${ovmfFilePrefix}_VARS.fd /run/${dirName}/nix-ovmf/
''}
${optionalString cfg.qemu.ovmf.enable (let
ovmfpackage = pkgs.buildEnv {
name = "qemu-ovmf";
paths = cfg.qemu.ovmf.packages;
};
in
''
ln -s --force ${ovmfpackage}/FV/AAVMF_CODE.fd /run/${dirName}/nix-ovmf/
ln -s --force ${ovmfpackage}/FV/OVMF_CODE.fd /run/${dirName}/nix-ovmf/
ln -s --force ${ovmfpackage}/FV/AAVMF_VARS.fd /run/${dirName}/nix-ovmf/
ln -s --force ${ovmfpackage}/FV/OVMF_VARS.fd /run/${dirName}/nix-ovmf/
'')}
'';
serviceConfig = {