nixpkgs-suyu/pkgs/applications/virtualization/qemu/default.nix

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{ lib, stdenv, fetchurl, fetchpatch, python3, python3Packages, zlib, pkg-config, glib, buildPackages
, perl, pixman, vde2, alsa-lib, texinfo, flex
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, bison, lzo, snappy, libaio, libtasn1, gnutls, nettle, curl, ninja, meson, sigtool
, makeWrapper, runtimeShell
, attr, libcap, libcap_ng, socat
, CoreServices, Cocoa, Hypervisor, rez, setfile
, numaSupport ? stdenv.isLinux && !stdenv.isAarch32, numactl
, seccompSupport ? stdenv.isLinux, libseccomp
, alsaSupport ? lib.hasSuffix "linux" stdenv.hostPlatform.system && !nixosTestRunner
, pulseSupport ? !stdenv.isDarwin && !nixosTestRunner, libpulseaudio
, sdlSupport ? !stdenv.isDarwin && !nixosTestRunner, SDL2, SDL2_image
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, jackSupport ? !stdenv.isDarwin && !nixosTestRunner, libjack2
, gtkSupport ? !stdenv.isDarwin && !xenSupport && !nixosTestRunner, gtk3, gettext, vte, wrapGAppsHook
, vncSupport ? !nixosTestRunner, libjpeg, libpng
, smartcardSupport ? !nixosTestRunner, libcacard
, spiceSupport ? !stdenv.isDarwin && !nixosTestRunner, spice, spice-protocol
, ncursesSupport ? !nixosTestRunner, ncurses
, usbredirSupport ? spiceSupport, usbredir
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, xenSupport ? false, xen
, cephSupport ? false, ceph
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, glusterfsSupport ? false, glusterfs, libuuid
, openGLSupport ? sdlSupport, mesa, libepoxy, libdrm
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, virglSupport ? openGLSupport, virglrenderer
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, libiscsiSupport ? true, libiscsi
, smbdSupport ? false, samba
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, tpmSupport ? true
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, uringSupport ? stdenv.isLinux, liburing
, hostCpuOnly ? false
, hostCpuTargets ? (if hostCpuOnly
then (lib.optional stdenv.isx86_64 "i386-softmmu"
++ ["${stdenv.hostPlatform.qemuArch}-softmmu"])
else null)
, nixosTestRunner ? false
, doCheck ? false
, qemu # for passthru.tests
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}:
stdenv.mkDerivation rec {
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pname = "qemu"
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+ lib.optionalString xenSupport "-xen"
+ lib.optionalString hostCpuOnly "-host-cpu-only"
+ lib.optionalString nixosTestRunner "-for-vm-tests";
version = "6.2.0";
src = fetchurl {
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url= "https://download.qemu.org/qemu-${version}.tar.xz";
sha256 = "0iavlsy9hin8k38230j8lfmyipx3965zljls1dp34mmc8n75vqb8";
};
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depsBuildBuild = [ buildPackages.stdenv.cc ];
nativeBuildInputs = [ makeWrapper pkg-config flex bison meson ninja perl python3 python3Packages.sphinx python3Packages.sphinx_rtd_theme ]
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++ lib.optionals gtkSupport [ wrapGAppsHook ]
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++ lib.optionals stdenv.isDarwin [ sigtool ];
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buildInputs = [ zlib glib perl pixman
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vde2 texinfo lzo snappy libtasn1
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gnutls nettle curl
]
++ lib.optionals ncursesSupport [ ncurses ]
++ lib.optionals stdenv.isDarwin [ CoreServices Cocoa Hypervisor rez setfile ]
++ lib.optionals seccompSupport [ libseccomp ]
++ lib.optionals numaSupport [ numactl ]
++ lib.optionals alsaSupport [ alsa-lib ]
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++ lib.optionals pulseSupport [ libpulseaudio ]
++ lib.optionals sdlSupport [ SDL2 SDL2_image ]
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++ lib.optionals jackSupport [ libjack2 ]
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++ lib.optionals gtkSupport [ gtk3 gettext vte ]
++ lib.optionals vncSupport [ libjpeg libpng ]
++ lib.optionals smartcardSupport [ libcacard ]
++ lib.optionals spiceSupport [ spice-protocol spice ]
++ lib.optionals usbredirSupport [ usbredir ]
++ lib.optionals stdenv.isLinux [ libaio libcap_ng libcap attr ]
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++ lib.optionals xenSupport [ xen ]
++ lib.optionals cephSupport [ ceph ]
++ lib.optionals glusterfsSupport [ glusterfs libuuid ]
++ lib.optionals openGLSupport [ mesa libepoxy libdrm ]
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++ lib.optionals virglSupport [ virglrenderer ]
++ lib.optionals libiscsiSupport [ libiscsi ]
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++ lib.optionals smbdSupport [ samba ]
++ lib.optionals uringSupport [ liburing ];
dontUseMesonConfigure = true; # meson's configurePhase isn't compatible with qemu build
outputs = [ "out" "ga" ];
# On aarch64-linux we would shoot over the Hydra's 2G output limit.
separateDebugInfo = !(stdenv.isAarch64 && stdenv.isLinux);
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patches = [
./fix-qemu-ga.patch
qemu: Apply interim fix for overlayfs + O_NOATIME Our VM tests and everything related to our virtualisation infrastructure is currently broken if used with kernel 4.19 or later. The reason for this is that since 4.19, overlayfs uses the O_NOATIME flag when opening files in lowerdir and this doesn't play nice with the way we pass the Nix store to our QEMU guests. On a NixOS system, paths in the Nix store are typically owned by root but the QEMU process is usually run by an ordinary user. Using O_NOATIME on a file where you're not the owner (or superuser) will return with EPERM (Operation not permitted). This is exactly what happens in our VM tests, because we're using overlayfs in the guests to allow writes to the store. Another implication of this is that the default kernel version for NixOS 19.03 has been reverted to Linux 4.14. Work on getting this upstream is still ongoing and the patch I posted previously was incomplete, needs rework and also some more review from upstream maintainers - in summary: This will take a while. So instead of rushing in a kernel patch to nixpkgs, which will affect all users of overlayfs, not just NixOS VM tests, I opted to patch QEMU for now to ignore the O_NOATIME flag in 9p. I think this is also the least impacting change, because even if you care about whether access times are written or not, you get the same behaviour as with Linux 4.19 in conjunction with QEMU. Signed-off-by: aszlig <aszlig@nix.build> Fixes: https://github.com/NixOS/nixpkgs/issues/54509
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./9p-ignore-noatime.patch
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# Cocoa clipboard support only works on macOS 10.14+
(fetchpatch {
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url = "https://gitlab.com/qemu-project/qemu/-/commit/7e3e20d89129614f4a7b2451fe321cc6ccca3b76.diff";
sha256 = "09xz06g57wxbacic617pq9c0qb7nly42gif0raplldn5lw964xl2";
revert = true;
})
] ++ lib.optional nixosTestRunner ./force-uid0-on-9p.patch;
postPatch = ''
# Otherwise tries to ensure /var/run exists.
sed -i "/install_subdir('run', install_dir: get_option('localstatedir'))/d" \
qga/meson.build
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# glibc 2.33 compat fix: if `has_statx = true` is set, `tools/virtiofsd/passthrough_ll.c` will
# rely on `stx_mnt_id`[1] which is not part of glibc's `statx`-struct definition.
#
# `has_statx` will be set to `true` if a simple C program which uses a few `statx`
# consts & struct fields successfully compiles. It seems as this only builds on glibc-2.33
# since most likely[2] and because of that, the problematic code-path will be used.
#
# [1] https://github.com/torvalds/linux/commit/fa2fcf4f1df1559a0a4ee0f46915b496cc2ebf60#diff-64bab5a0a3fcb55e1a6ad77b1dfab89d2c9c71a770a07ecf44e6b82aae76a03a
# [2] https://sourceware.org/git/?p=glibc.git;a=blobdiff;f=io/bits/statx-generic.h;h=c34697e3c1fd79cddd60db294302e461ed8db6e2;hp=7a09e94be2abb92d2df612090c132e686a24d764;hb=88a2cf6c4bab6e94a65e9c0db8813709372e9180;hpb=c4e4b2e149705559d28b16a9b47ba2f6142d6a6c
substituteInPlace meson.build \
--replace 'has_statx = cc.links(statx_test)' 'has_statx = false'
'';
preConfigure = ''
unset CPP # intereferes with dependency calculation
# this script isn't marked as executable b/c it's indirectly used by meson. Needed to patch its shebang
chmod +x ./scripts/shaderinclude.pl
patchShebangs .
# avoid conflicts with libc++ include for <version>
mv VERSION QEMU_VERSION
substituteInPlace configure \
--replace '$source_path/VERSION' '$source_path/QEMU_VERSION'
substituteInPlace meson.build \
--replace "'VERSION'" "'QEMU_VERSION'"
'';
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configureFlags = [
"--disable-strip" # We'll strip ourselves after separating debug info.
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"--enable-docs"
"--enable-tools"
"--enable-guest-agent"
"--localstatedir=/var"
"--sysconfdir=/etc"
# Always use our Meson, not the bundled version, which doesn't
# have our patches and will be subtly broken because of that.
"--meson=meson"
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"--cross-prefix=${stdenv.cc.targetPrefix}"
"--cpu=${stdenv.hostPlatform.uname.processor}"
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] ++ lib.optional numaSupport "--enable-numa"
++ lib.optional seccompSupport "--enable-seccomp"
++ lib.optional smartcardSupport "--enable-smartcard"
++ lib.optional spiceSupport "--enable-spice"
++ lib.optional usbredirSupport "--enable-usb-redir"
++ lib.optional (hostCpuTargets != null) "--target-list=${lib.concatStringsSep "," hostCpuTargets}"
++ lib.optional stdenv.isDarwin "--enable-cocoa"
++ lib.optional stdenv.isDarwin "--enable-hvf"
++ lib.optional stdenv.isLinux "--enable-linux-aio"
++ lib.optional gtkSupport "--enable-gtk"
++ lib.optional xenSupport "--enable-xen"
++ lib.optional cephSupport "--enable-rbd"
++ lib.optional glusterfsSupport "--enable-glusterfs"
++ lib.optional openGLSupport "--enable-opengl"
++ lib.optional virglSupport "--enable-virglrenderer"
++ lib.optional tpmSupport "--enable-tpm"
++ lib.optional libiscsiSupport "--enable-libiscsi"
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++ lib.optional smbdSupport "--smbd=${samba}/bin/smbd"
++ lib.optional uringSupport "--enable-linux-io-uring";
dontWrapGApps = true;
# QEMU attaches entitlements with codesign and strip removes those,
# voiding the entitlements and making it non-operational.
# The alternative is to re-sign with entitlements after stripping:
# * https://github.com/qemu/qemu/blob/v6.1.0/scripts/entitlement.sh#L25
dontStrip = stdenv.isDarwin;
postFixup = ''
# the .desktop is both invalid and pointless
rm -f $out/share/applications/qemu.desktop
# copy qemu-ga (guest agent) to separate output
mkdir -p $ga/bin
cp $out/bin/qemu-ga $ga/bin/
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'' + lib.optionalString gtkSupport ''
# wrap GTK Binaries
for f in $out/bin/qemu-system-*; do
wrapGApp $f
done
'';
preBuild = "cd build";
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# tests can still timeout on slower systems
inherit doCheck;
checkInputs = [ socat ];
preCheck = ''
# time limits are a little meagre for a build machine that's
# potentially under load.
substituteInPlace ../tests/unit/meson.build \
--replace 'timeout: slow_tests' 'timeout: 50 * slow_tests'
substituteInPlace ../tests/qtest/meson.build \
--replace 'timeout: slow_qtests' 'timeout: 50 * slow_qtests'
substituteInPlace ../tests/fp/meson.build \
--replace 'timeout: 90)' 'timeout: 300)'
# point tests towards correct binaries
substituteInPlace ../tests/unit/test-qga.c \
--replace '/bin/echo' "$(type -P echo)"
substituteInPlace ../tests/unit/test-io-channel-command.c \
--replace '/bin/socat' "$(type -P socat)"
# combined with a long package name, some temp socket paths
# can end up exceeding max socket name len
substituteInPlace ../tests/qtest/bios-tables-test.c \
--replace 'qemu-test_acpi_%s_tcg_%s' '%s_%s'
# get-fsinfo attempts to access block devices, disallowed by sandbox
sed -i -e '/\/qga\/get-fsinfo/d' -e '/\/qga\/blacklist/d' \
../tests/unit/test-qga.c
'' + lib.optionalString stdenv.isDarwin ''
# skip test that stalls on darwin, perhaps due to subtle differences
# in fifo behaviour
substituteInPlace ../tests/unit/meson.build \
--replace "'test-io-channel-command'" "#'test-io-channel-command'"
'';
# Add a qemu-kvm wrapper for compatibility/convenience.
postInstall = ''
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ln -s $out/bin/qemu-system-${stdenv.hostPlatform.qemuArch} $out/bin/qemu-kvm
'';
passthru = {
qemu-system-i386 = "bin/qemu-system-i386";
tests = {
qemu-tests = qemu.override { doCheck = true; };
};
};
# Builds in ~3h with 2 cores, and ~20m with a big-parallel builder.
requiredSystemFeatures = [ "big-parallel" ];
meta = with lib; {
homepage = "http://www.qemu.org/";
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description = "A generic and open source machine emulator and virtualizer";
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license = licenses.gpl2Plus;
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mainProgram = "qemu-kvm";
maintainers = with maintainers; [ eelco qyliss ];
platforms = platforms.unix;
};
}