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qemu/scripts/meson-buildoptions.sh
Maciej S. Szmigiero 0d9e8c0b67 Add Hyper-V Dynamic Memory Protocol driver (hv-balloon) base 
This driver is like virtio-balloon on steroids: it allows both changing the
guest memory allocation via ballooning and (in the next patch) inserting
pieces of extra RAM into it on demand from a provided memory backend.

The actual resizing is done via ballooning interface (for example, via
the "balloon" HMP command).
This includes resizing the guest past its boot size - that is, hot-adding
additional memory in granularity limited only by the guest alignment
requirements, as provided by the next patch.

In contrast with ACPI DIMM hotplug where one can only request to unplug a
whole DIMM stick this driver allows removing memory from guest in single
page (4k) units via ballooning.

After a VM reboot the guest is back to its original (boot) size.

In the future, the guest boot memory size might be changed on reboot
instead, taking into account the effective size that VM had before that
reboot (much like Hyper-V does).

For performance reasons, the guest-released memory is tracked in a few
range trees, as a series of (start, count) ranges.
Each time a new page range is inserted into such tree its neighbors are
checked as candidates for possible merging with it.

Besides performance reasons, the Dynamic Memory protocol itself uses page
ranges as the data structure in its messages, so relevant pages need to be
merged into such ranges anyway.

One has to be careful when tracking the guest-released pages, since the
guest can maliciously report returning pages outside its current address
space, which later clash with the address range of newly added memory.
Similarly, the guest can report freeing the same page twice.

The above design results in much better ballooning performance than when
using virtio-balloon with the same guest: 230 GB / minute with this driver
versus 70 GB / minute with virtio-balloon.

During a ballooning operation most of time is spent waiting for the guest
to come up with newly freed page ranges, processing the received ranges on
the host side (in QEMU and KVM) is nearly instantaneous.

The unballoon operation is also pretty much instantaneous:
thanks to the merging of the ballooned out page ranges 200 GB of memory can
be returned to the guest in about 1 second.
With virtio-balloon this operation takes about 2.5 minutes.

These tests were done against a Windows Server 2019 guest running on a
Xeon E5-2699, after dirtying the whole memory inside guest before each
balloon operation.

Using a range tree instead of a bitmap to track the removed memory also
means that the solution scales well with the guest size: even a 1 TB range
takes just a few bytes of such metadata.

Since the required GTree operations aren't present in every Glib version
a check for them was added to the meson build script, together with new
"--enable-hv-balloon" and "--disable-hv-balloon" configure arguments.
If these GTree operations are missing in the system's Glib version this
driver will be skipped during QEMU build.

An optional "status-report=on" device parameter requests memory status
events from the guest (typically sent every second), which allow the host
to learn both the guest memory available and the guest memory in use
counts.

Following commits will add support for their external emission as
"HV_BALLOON_STATUS_REPORT" QMP events.

The driver is named hv-balloon since the Linux kernel client driver for
the Dynamic Memory Protocol is named as such and to follow the naming
pattern established by the virtio-balloon driver.
The whole protocol runs over Hyper-V VMBus.

The driver was tested against Windows Server 2012 R2, Windows Server 2016
and Windows Server 2019 guests and obeys the guest alignment requirements
reported to the host via DM_CAPABILITIES_REPORT message.

Acked-by: David Hildenbrand <david@redhat.com>
Signed-off-by: Maciej S. Szmigiero <maciej.szmigiero@oracle.com>
2023-11-06 14:08:10 +01:00

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# This file is generated by meson-buildoptions.py, do not edit!
meson_options_help() {
printf "%s\n" ' --audio-drv-list=CHOICES Set audio driver list [default] (choices: alsa/co'
printf "%s\n" ' reaudio/default/dsound/jack/oss/pa/pipewire/sdl/s'
printf "%s\n" ' ndio)'
printf "%s\n" ' --bindir=VALUE Executable directory [bin]'
printf "%s\n" ' --block-drv-ro-whitelist=VALUE'
printf "%s\n" ' set block driver read-only whitelist (by default'
printf "%s\n" ' affects only QEMU, not tools like qemu-img)'
printf "%s\n" ' --block-drv-rw-whitelist=VALUE'
printf "%s\n" ' set block driver read-write whitelist (by default'
printf "%s\n" ' affects only QEMU, not tools like qemu-img)'
printf "%s\n" ' --datadir=VALUE Data file directory [share]'
printf "%s\n" ' --disable-coroutine-pool coroutine freelist (better performance)'
printf "%s\n" ' --disable-debug-info Enable debug symbols and other information'
printf "%s\n" ' --disable-hexagon-idef-parser'
printf "%s\n" ' use idef-parser to automatically generate TCG'
printf "%s\n" ' code for the Hexagon frontend'
printf "%s\n" ' --disable-install-blobs install provided firmware blobs'
printf "%s\n" ' --disable-qom-cast-debug cast debugging support'
printf "%s\n" ' --disable-relocatable toggle relocatable install'
printf "%s\n" ' --docdir=VALUE Base directory for documentation installation'
printf "%s\n" ' (can be empty) [share/doc]'
printf "%s\n" ' --enable-block-drv-whitelist-in-tools'
printf "%s\n" ' use block whitelist also in tools instead of only'
printf "%s\n" ' QEMU'
printf "%s\n" ' --enable-cfi Control-Flow Integrity (CFI)'
printf "%s\n" ' --enable-cfi-debug Verbose errors in case of CFI violation'
printf "%s\n" ' --enable-debug-graph-lock'
printf "%s\n" ' graph lock debugging support'
printf "%s\n" ' --enable-debug-mutex mutex debugging support'
printf "%s\n" ' --enable-debug-stack-usage'
printf "%s\n" ' measure coroutine stack usage'
printf "%s\n" ' --enable-debug-tcg TCG debugging'
printf "%s\n" ' --enable-fdt[=CHOICE] Whether and how to find the libfdt library'
printf "%s\n" ' (choices: auto/disabled/enabled/internal/system)'
printf "%s\n" ' --enable-fuzzing build fuzzing targets'
printf "%s\n" ' --enable-gcov Enable coverage tracking.'
printf "%s\n" ' --enable-lto Use link time optimization'
printf "%s\n" ' --enable-malloc=CHOICE choose memory allocator to use [system] (choices:'
printf "%s\n" ' jemalloc/system/tcmalloc)'
printf "%s\n" ' --enable-module-upgrades try to load modules from alternate paths for'
printf "%s\n" ' upgrades'
printf "%s\n" ' --enable-rng-none dummy RNG, avoid using /dev/(u)random and'
printf "%s\n" ' getrandom()'
printf "%s\n" ' --enable-safe-stack SafeStack Stack Smash Protection (requires'
printf "%s\n" ' clang/llvm and coroutine backend ucontext)'
printf "%s\n" ' --enable-sanitizers enable default sanitizers'
printf "%s\n" ' --enable-strip Strip targets on install'
printf "%s\n" ' --enable-tcg-interpreter TCG with bytecode interpreter (slow)'
printf "%s\n" ' --enable-trace-backends=CHOICES'
printf "%s\n" ' Set available tracing backends [log] (choices:'
printf "%s\n" ' dtrace/ftrace/log/nop/simple/syslog/ust)'
printf "%s\n" ' --enable-tsan enable thread sanitizer'
printf "%s\n" ' --firmwarepath=VALUES search PATH for firmware files [share/qemu-'
printf "%s\n" ' firmware]'
printf "%s\n" ' --iasl=VALUE Path to ACPI disassembler'
printf "%s\n" ' --includedir=VALUE Header file directory [include]'
printf "%s\n" ' --interp-prefix=VALUE where to find shared libraries etc., use %M for'
printf "%s\n" ' cpu name [/usr/gnemul/qemu-%M]'
printf "%s\n" ' --libdir=VALUE Library directory [system default]'
printf "%s\n" ' --libexecdir=VALUE Library executable directory [libexec]'
printf "%s\n" ' --localedir=VALUE Locale data directory [share/locale]'
printf "%s\n" ' --localstatedir=VALUE Localstate data directory [/var/local]'
printf "%s\n" ' --mandir=VALUE Manual page directory [share/man]'
printf "%s\n" ' --prefix=VALUE Installation prefix [/usr/local]'
printf "%s\n" ' --qemu-ga-distro=VALUE second path element in qemu-ga registry entries'
printf "%s\n" ' [Linux]'
printf "%s\n" ' --qemu-ga-manufacturer=VALUE'
printf "%s\n" ' "manufacturer" name for qemu-ga registry entries'
printf "%s\n" ' [QEMU]'
printf "%s\n" ' --qemu-ga-version=VALUE version number for qemu-ga installer'
printf "%s\n" ' --smbd=VALUE Path to smbd for slirp networking'
printf "%s\n" ' --sysconfdir=VALUE Sysconf data directory [etc]'
printf "%s\n" ' --tls-priority=VALUE Default TLS protocol/cipher priority string'
printf "%s\n" ' [NORMAL]'
printf "%s\n" ' --with-coroutine=CHOICE coroutine backend to use (choices:'
printf "%s\n" ' auto/sigaltstack/ucontext/windows)'
printf "%s\n" ' --with-pkgversion=VALUE use specified string as sub-version of the'
printf "%s\n" ' package'
printf "%s\n" ' --with-suffix=VALUE Suffix for QEMU data/modules/config directories'
printf "%s\n" ' (can be empty) [qemu]'
printf "%s\n" ' --with-trace-file=VALUE Trace file prefix for simple backend [trace]'
printf "%s\n" ''
printf "%s\n" 'Optional features, enabled with --enable-FEATURE and'
printf "%s\n" 'disabled with --disable-FEATURE, default is enabled if available'
printf "%s\n" '(unless built with --without-default-features):'
printf "%s\n" ''
printf "%s\n" ' af-xdp AF_XDP network backend support'
printf "%s\n" ' alsa ALSA sound support'
printf "%s\n" ' attr attr/xattr support'
printf "%s\n" ' auth-pam PAM access control'
printf "%s\n" ' avx2 AVX2 optimizations'
printf "%s\n" ' avx512bw AVX512BW optimizations'
printf "%s\n" ' avx512f AVX512F optimizations'
printf "%s\n" ' blkio libblkio block device driver'
printf "%s\n" ' bochs bochs image format support'
printf "%s\n" ' bpf eBPF support'
printf "%s\n" ' brlapi brlapi character device driver'
printf "%s\n" ' bzip2 bzip2 support for DMG images'
printf "%s\n" ' canokey CanoKey support'
printf "%s\n" ' cap-ng cap_ng support'
printf "%s\n" ' capstone Whether and how to find the capstone library'
printf "%s\n" ' cloop cloop image format support'
printf "%s\n" ' cocoa Cocoa user interface (macOS only)'
printf "%s\n" ' colo-proxy colo-proxy support'
printf "%s\n" ' coreaudio CoreAudio sound support'
printf "%s\n" ' crypto-afalg Linux AF_ALG crypto backend driver'
printf "%s\n" ' curl CURL block device driver'
printf "%s\n" ' curses curses UI'
printf "%s\n" ' dbus-display -display dbus support'
printf "%s\n" ' dmg dmg image format support'
printf "%s\n" ' docs Documentations build support'
printf "%s\n" ' dsound DirectSound sound support'
printf "%s\n" ' fuse FUSE block device export'
printf "%s\n" ' fuse-lseek SEEK_HOLE/SEEK_DATA support for FUSE exports'
printf "%s\n" ' gcrypt libgcrypt cryptography support'
printf "%s\n" ' gettext Localization of the GTK+ user interface'
printf "%s\n" ' gio use libgio for D-Bus support'
printf "%s\n" ' glusterfs Glusterfs block device driver'
printf "%s\n" ' gnutls GNUTLS cryptography support'
printf "%s\n" ' gtk GTK+ user interface'
printf "%s\n" ' gtk-clipboard clipboard support for the gtk UI (EXPERIMENTAL, MAY HANG)'
printf "%s\n" ' guest-agent Build QEMU Guest Agent'
printf "%s\n" ' guest-agent-msi Build MSI package for the QEMU Guest Agent'
printf "%s\n" ' hv-balloon hv-balloon driver (requires Glib 2.68+ GTree API)'
printf "%s\n" ' hvf HVF acceleration support'
printf "%s\n" ' iconv Font glyph conversion support'
printf "%s\n" ' jack JACK sound support'
printf "%s\n" ' keyring Linux keyring support'
printf "%s\n" ' kvm KVM acceleration support'
printf "%s\n" ' l2tpv3 l2tpv3 network backend support'
printf "%s\n" ' libdaxctl libdaxctl support'
printf "%s\n" ' libdw debuginfo support'
printf "%s\n" ' libiscsi libiscsi userspace initiator'
printf "%s\n" ' libkeyutils Linux keyutils support'
printf "%s\n" ' libnfs libnfs block device driver'
printf "%s\n" ' libpmem libpmem support'
printf "%s\n" ' libssh ssh block device support'
printf "%s\n" ' libudev Use libudev to enumerate host devices'
printf "%s\n" ' libusb libusb support for USB passthrough'
printf "%s\n" ' libvduse build VDUSE Library'
printf "%s\n" ' linux-aio Linux AIO support'
printf "%s\n" ' linux-io-uring Linux io_uring support'
printf "%s\n" ' live-block-migration'
printf "%s\n" ' block migration in the main migration stream'
printf "%s\n" ' lzfse lzfse support for DMG images'
printf "%s\n" ' lzo lzo compression support'
printf "%s\n" ' malloc-trim enable libc malloc_trim() for memory optimization'
printf "%s\n" ' membarrier membarrier system call (for Linux 4.14+ or Windows'
printf "%s\n" ' modules modules support (non Windows)'
printf "%s\n" ' mpath Multipath persistent reservation passthrough'
printf "%s\n" ' multiprocess Out of process device emulation support'
printf "%s\n" ' netmap netmap network backend support'
printf "%s\n" ' nettle nettle cryptography support'
printf "%s\n" ' numa libnuma support'
printf "%s\n" ' nvmm NVMM acceleration support'
printf "%s\n" ' opengl OpenGL support'
printf "%s\n" ' oss OSS sound support'
printf "%s\n" ' pa PulseAudio sound support'
printf "%s\n" ' parallels parallels image format support'
printf "%s\n" ' pipewire PipeWire sound support'
printf "%s\n" ' plugins TCG plugins via shared library loading'
printf "%s\n" ' png PNG support with libpng'
printf "%s\n" ' pvrdma Enable PVRDMA support'
printf "%s\n" ' qcow1 qcow1 image format support'
printf "%s\n" ' qed qed image format support'
printf "%s\n" ' qga-vss build QGA VSS support (broken with MinGW)'
printf "%s\n" ' rbd Ceph block device driver'
printf "%s\n" ' rdma Enable RDMA-based migration'
printf "%s\n" ' replication replication support'
printf "%s\n" ' rutabaga-gfx rutabaga_gfx support'
printf "%s\n" ' sdl SDL user interface'
printf "%s\n" ' sdl-image SDL Image support for icons'
printf "%s\n" ' seccomp seccomp support'
printf "%s\n" ' selinux SELinux support in qemu-nbd'
printf "%s\n" ' slirp libslirp user mode network backend support'
printf "%s\n" ' slirp-smbd use smbd (at path --smbd=*) in slirp networking'
printf "%s\n" ' smartcard CA smartcard emulation support'
printf "%s\n" ' snappy snappy compression support'
printf "%s\n" ' sndio sndio sound support'
printf "%s\n" ' sparse sparse checker'
printf "%s\n" ' spice Spice server support'
printf "%s\n" ' spice-protocol Spice protocol support'
printf "%s\n" ' stack-protector compiler-provided stack protection'
printf "%s\n" ' tcg TCG support'
printf "%s\n" ' tools build support utilities that come with QEMU'
printf "%s\n" ' tpm TPM support'
printf "%s\n" ' u2f U2F emulation support'
printf "%s\n" ' usb-redir libusbredir support'
printf "%s\n" ' vde vde network backend support'
printf "%s\n" ' vdi vdi image format support'
printf "%s\n" ' vduse-blk-export'
printf "%s\n" ' VDUSE block export support'
printf "%s\n" ' vfio-user-server'
printf "%s\n" ' vfio-user server support'
printf "%s\n" ' vhdx vhdx image format support'
printf "%s\n" ' vhost-crypto vhost-user crypto backend support'
printf "%s\n" ' vhost-kernel vhost kernel backend support'
printf "%s\n" ' vhost-net vhost-net kernel acceleration support'
printf "%s\n" ' vhost-user vhost-user backend support'
printf "%s\n" ' vhost-user-blk-server'
printf "%s\n" ' build vhost-user-blk server'
printf "%s\n" ' vhost-vdpa vhost-vdpa kernel backend support'
printf "%s\n" ' virglrenderer virgl rendering support'
printf "%s\n" ' virtfs virtio-9p support'
printf "%s\n" ' virtfs-proxy-helper'
printf "%s\n" ' virtio-9p proxy helper support'
printf "%s\n" ' vmdk vmdk image format support'
printf "%s\n" ' vmnet vmnet.framework network backend support'
printf "%s\n" ' vnc VNC server'
printf "%s\n" ' vnc-jpeg JPEG lossy compression for VNC server'
printf "%s\n" ' vnc-sasl SASL authentication for VNC server'
printf "%s\n" ' vpc vpc image format support'
printf "%s\n" ' vte vte support for the gtk UI'
printf "%s\n" ' vvfat vvfat image format support'
printf "%s\n" ' werror Treat warnings as errors'
printf "%s\n" ' whpx WHPX acceleration support'
printf "%s\n" ' xen Xen backend support'
printf "%s\n" ' xen-pci-passthrough'
printf "%s\n" ' Xen PCI passthrough support'
printf "%s\n" ' xkbcommon xkbcommon support'
printf "%s\n" ' zstd zstd compression support'
}
_meson_option_parse() {
case $1 in
--enable-af-xdp) printf "%s" -Daf_xdp=enabled ;;
--disable-af-xdp) printf "%s" -Daf_xdp=disabled ;;
--enable-alsa) printf "%s" -Dalsa=enabled ;;
--disable-alsa) printf "%s" -Dalsa=disabled ;;
--enable-attr) printf "%s" -Dattr=enabled ;;
--disable-attr) printf "%s" -Dattr=disabled ;;
--audio-drv-list=*) quote_sh "-Daudio_drv_list=$2" ;;
--enable-auth-pam) printf "%s" -Dauth_pam=enabled ;;
--disable-auth-pam) printf "%s" -Dauth_pam=disabled ;;
--enable-avx2) printf "%s" -Davx2=enabled ;;
--disable-avx2) printf "%s" -Davx2=disabled ;;
--enable-avx512bw) printf "%s" -Davx512bw=enabled ;;
--disable-avx512bw) printf "%s" -Davx512bw=disabled ;;
--enable-avx512f) printf "%s" -Davx512f=enabled ;;
--disable-avx512f) printf "%s" -Davx512f=disabled ;;
--enable-gcov) printf "%s" -Db_coverage=true ;;
--disable-gcov) printf "%s" -Db_coverage=false ;;
--enable-lto) printf "%s" -Db_lto=true ;;
--disable-lto) printf "%s" -Db_lto=false ;;
--bindir=*) quote_sh "-Dbindir=$2" ;;
--enable-blkio) printf "%s" -Dblkio=enabled ;;
--disable-blkio) printf "%s" -Dblkio=disabled ;;
--block-drv-ro-whitelist=*) quote_sh "-Dblock_drv_ro_whitelist=$2" ;;
--block-drv-rw-whitelist=*) quote_sh "-Dblock_drv_rw_whitelist=$2" ;;
--enable-block-drv-whitelist-in-tools) printf "%s" -Dblock_drv_whitelist_in_tools=true ;;
--disable-block-drv-whitelist-in-tools) printf "%s" -Dblock_drv_whitelist_in_tools=false ;;
--enable-bochs) printf "%s" -Dbochs=enabled ;;
--disable-bochs) printf "%s" -Dbochs=disabled ;;
--enable-bpf) printf "%s" -Dbpf=enabled ;;
--disable-bpf) printf "%s" -Dbpf=disabled ;;
--enable-brlapi) printf "%s" -Dbrlapi=enabled ;;
--disable-brlapi) printf "%s" -Dbrlapi=disabled ;;
--enable-bzip2) printf "%s" -Dbzip2=enabled ;;
--disable-bzip2) printf "%s" -Dbzip2=disabled ;;
--enable-canokey) printf "%s" -Dcanokey=enabled ;;
--disable-canokey) printf "%s" -Dcanokey=disabled ;;
--enable-cap-ng) printf "%s" -Dcap_ng=enabled ;;
--disable-cap-ng) printf "%s" -Dcap_ng=disabled ;;
--enable-capstone) printf "%s" -Dcapstone=enabled ;;
--disable-capstone) printf "%s" -Dcapstone=disabled ;;
--enable-cfi) printf "%s" -Dcfi=true ;;
--disable-cfi) printf "%s" -Dcfi=false ;;
--enable-cfi-debug) printf "%s" -Dcfi_debug=true ;;
--disable-cfi-debug) printf "%s" -Dcfi_debug=false ;;
--enable-cloop) printf "%s" -Dcloop=enabled ;;
--disable-cloop) printf "%s" -Dcloop=disabled ;;
--enable-cocoa) printf "%s" -Dcocoa=enabled ;;
--disable-cocoa) printf "%s" -Dcocoa=disabled ;;
--enable-colo-proxy) printf "%s" -Dcolo_proxy=enabled ;;
--disable-colo-proxy) printf "%s" -Dcolo_proxy=disabled ;;
--enable-coreaudio) printf "%s" -Dcoreaudio=enabled ;;
--disable-coreaudio) printf "%s" -Dcoreaudio=disabled ;;
--with-coroutine=*) quote_sh "-Dcoroutine_backend=$2" ;;
--enable-coroutine-pool) printf "%s" -Dcoroutine_pool=true ;;
--disable-coroutine-pool) printf "%s" -Dcoroutine_pool=false ;;
--enable-crypto-afalg) printf "%s" -Dcrypto_afalg=enabled ;;
--disable-crypto-afalg) printf "%s" -Dcrypto_afalg=disabled ;;
--enable-curl) printf "%s" -Dcurl=enabled ;;
--disable-curl) printf "%s" -Dcurl=disabled ;;
--enable-curses) printf "%s" -Dcurses=enabled ;;
--disable-curses) printf "%s" -Dcurses=disabled ;;
--datadir=*) quote_sh "-Ddatadir=$2" ;;
--enable-dbus-display) printf "%s" -Ddbus_display=enabled ;;
--disable-dbus-display) printf "%s" -Ddbus_display=disabled ;;
--enable-debug-info) printf "%s" -Ddebug=true ;;
--disable-debug-info) printf "%s" -Ddebug=false ;;
--enable-debug-graph-lock) printf "%s" -Ddebug_graph_lock=true ;;
--disable-debug-graph-lock) printf "%s" -Ddebug_graph_lock=false ;;
--enable-debug-mutex) printf "%s" -Ddebug_mutex=true ;;
--disable-debug-mutex) printf "%s" -Ddebug_mutex=false ;;
--enable-debug-stack-usage) printf "%s" -Ddebug_stack_usage=true ;;
--disable-debug-stack-usage) printf "%s" -Ddebug_stack_usage=false ;;
--enable-debug-tcg) printf "%s" -Ddebug_tcg=true ;;
--disable-debug-tcg) printf "%s" -Ddebug_tcg=false ;;
--enable-dmg) printf "%s" -Ddmg=enabled ;;
--disable-dmg) printf "%s" -Ddmg=disabled ;;
--docdir=*) quote_sh "-Ddocdir=$2" ;;
--enable-docs) printf "%s" -Ddocs=enabled ;;
--disable-docs) printf "%s" -Ddocs=disabled ;;
--enable-dsound) printf "%s" -Ddsound=enabled ;;
--disable-dsound) printf "%s" -Ddsound=disabled ;;
--enable-fdt) printf "%s" -Dfdt=enabled ;;
--disable-fdt) printf "%s" -Dfdt=disabled ;;
--enable-fdt=*) quote_sh "-Dfdt=$2" ;;
--enable-fuse) printf "%s" -Dfuse=enabled ;;
--disable-fuse) printf "%s" -Dfuse=disabled ;;
--enable-fuse-lseek) printf "%s" -Dfuse_lseek=enabled ;;
--disable-fuse-lseek) printf "%s" -Dfuse_lseek=disabled ;;
--enable-fuzzing) printf "%s" -Dfuzzing=true ;;
--disable-fuzzing) printf "%s" -Dfuzzing=false ;;
--enable-gcrypt) printf "%s" -Dgcrypt=enabled ;;
--disable-gcrypt) printf "%s" -Dgcrypt=disabled ;;
--enable-gettext) printf "%s" -Dgettext=enabled ;;
--disable-gettext) printf "%s" -Dgettext=disabled ;;
--enable-gio) printf "%s" -Dgio=enabled ;;
--disable-gio) printf "%s" -Dgio=disabled ;;
--enable-glusterfs) printf "%s" -Dglusterfs=enabled ;;
--disable-glusterfs) printf "%s" -Dglusterfs=disabled ;;
--enable-gnutls) printf "%s" -Dgnutls=enabled ;;
--disable-gnutls) printf "%s" -Dgnutls=disabled ;;
--enable-gtk) printf "%s" -Dgtk=enabled ;;
--disable-gtk) printf "%s" -Dgtk=disabled ;;
--enable-gtk-clipboard) printf "%s" -Dgtk_clipboard=enabled ;;
--disable-gtk-clipboard) printf "%s" -Dgtk_clipboard=disabled ;;
--enable-guest-agent) printf "%s" -Dguest_agent=enabled ;;
--disable-guest-agent) printf "%s" -Dguest_agent=disabled ;;
--enable-guest-agent-msi) printf "%s" -Dguest_agent_msi=enabled ;;
--disable-guest-agent-msi) printf "%s" -Dguest_agent_msi=disabled ;;
--enable-hexagon-idef-parser) printf "%s" -Dhexagon_idef_parser=true ;;
--disable-hexagon-idef-parser) printf "%s" -Dhexagon_idef_parser=false ;;
--enable-hv-balloon) printf "%s" -Dhv_balloon=enabled ;;
--disable-hv-balloon) printf "%s" -Dhv_balloon=disabled ;;
--enable-hvf) printf "%s" -Dhvf=enabled ;;
--disable-hvf) printf "%s" -Dhvf=disabled ;;
--iasl=*) quote_sh "-Diasl=$2" ;;
--enable-iconv) printf "%s" -Diconv=enabled ;;
--disable-iconv) printf "%s" -Diconv=disabled ;;
--includedir=*) quote_sh "-Dincludedir=$2" ;;
--enable-install-blobs) printf "%s" -Dinstall_blobs=true ;;
--disable-install-blobs) printf "%s" -Dinstall_blobs=false ;;
--interp-prefix=*) quote_sh "-Dinterp_prefix=$2" ;;
--enable-jack) printf "%s" -Djack=enabled ;;
--disable-jack) printf "%s" -Djack=disabled ;;
--enable-keyring) printf "%s" -Dkeyring=enabled ;;
--disable-keyring) printf "%s" -Dkeyring=disabled ;;
--enable-kvm) printf "%s" -Dkvm=enabled ;;
--disable-kvm) printf "%s" -Dkvm=disabled ;;
--enable-l2tpv3) printf "%s" -Dl2tpv3=enabled ;;
--disable-l2tpv3) printf "%s" -Dl2tpv3=disabled ;;
--enable-libdaxctl) printf "%s" -Dlibdaxctl=enabled ;;
--disable-libdaxctl) printf "%s" -Dlibdaxctl=disabled ;;
--libdir=*) quote_sh "-Dlibdir=$2" ;;
--enable-libdw) printf "%s" -Dlibdw=enabled ;;
--disable-libdw) printf "%s" -Dlibdw=disabled ;;
--libexecdir=*) quote_sh "-Dlibexecdir=$2" ;;
--enable-libiscsi) printf "%s" -Dlibiscsi=enabled ;;
--disable-libiscsi) printf "%s" -Dlibiscsi=disabled ;;
--enable-libkeyutils) printf "%s" -Dlibkeyutils=enabled ;;
--disable-libkeyutils) printf "%s" -Dlibkeyutils=disabled ;;
--enable-libnfs) printf "%s" -Dlibnfs=enabled ;;
--disable-libnfs) printf "%s" -Dlibnfs=disabled ;;
--enable-libpmem) printf "%s" -Dlibpmem=enabled ;;
--disable-libpmem) printf "%s" -Dlibpmem=disabled ;;
--enable-libssh) printf "%s" -Dlibssh=enabled ;;
--disable-libssh) printf "%s" -Dlibssh=disabled ;;
--enable-libudev) printf "%s" -Dlibudev=enabled ;;
--disable-libudev) printf "%s" -Dlibudev=disabled ;;
--enable-libusb) printf "%s" -Dlibusb=enabled ;;
--disable-libusb) printf "%s" -Dlibusb=disabled ;;
--enable-libvduse) printf "%s" -Dlibvduse=enabled ;;
--disable-libvduse) printf "%s" -Dlibvduse=disabled ;;
--enable-linux-aio) printf "%s" -Dlinux_aio=enabled ;;
--disable-linux-aio) printf "%s" -Dlinux_aio=disabled ;;
--enable-linux-io-uring) printf "%s" -Dlinux_io_uring=enabled ;;
--disable-linux-io-uring) printf "%s" -Dlinux_io_uring=disabled ;;
--enable-live-block-migration) printf "%s" -Dlive_block_migration=enabled ;;
--disable-live-block-migration) printf "%s" -Dlive_block_migration=disabled ;;
--localedir=*) quote_sh "-Dlocaledir=$2" ;;
--localstatedir=*) quote_sh "-Dlocalstatedir=$2" ;;
--enable-lzfse) printf "%s" -Dlzfse=enabled ;;
--disable-lzfse) printf "%s" -Dlzfse=disabled ;;
--enable-lzo) printf "%s" -Dlzo=enabled ;;
--disable-lzo) printf "%s" -Dlzo=disabled ;;
--enable-malloc=*) quote_sh "-Dmalloc=$2" ;;
--enable-malloc-trim) printf "%s" -Dmalloc_trim=enabled ;;
--disable-malloc-trim) printf "%s" -Dmalloc_trim=disabled ;;
--mandir=*) quote_sh "-Dmandir=$2" ;;
--enable-membarrier) printf "%s" -Dmembarrier=enabled ;;
--disable-membarrier) printf "%s" -Dmembarrier=disabled ;;
--enable-module-upgrades) printf "%s" -Dmodule_upgrades=true ;;
--disable-module-upgrades) printf "%s" -Dmodule_upgrades=false ;;
--enable-modules) printf "%s" -Dmodules=enabled ;;
--disable-modules) printf "%s" -Dmodules=disabled ;;
--enable-mpath) printf "%s" -Dmpath=enabled ;;
--disable-mpath) printf "%s" -Dmpath=disabled ;;
--enable-multiprocess) printf "%s" -Dmultiprocess=enabled ;;
--disable-multiprocess) printf "%s" -Dmultiprocess=disabled ;;
--enable-netmap) printf "%s" -Dnetmap=enabled ;;
--disable-netmap) printf "%s" -Dnetmap=disabled ;;
--enable-nettle) printf "%s" -Dnettle=enabled ;;
--disable-nettle) printf "%s" -Dnettle=disabled ;;
--enable-numa) printf "%s" -Dnuma=enabled ;;
--disable-numa) printf "%s" -Dnuma=disabled ;;
--enable-nvmm) printf "%s" -Dnvmm=enabled ;;
--disable-nvmm) printf "%s" -Dnvmm=disabled ;;
--enable-opengl) printf "%s" -Dopengl=enabled ;;
--disable-opengl) printf "%s" -Dopengl=disabled ;;
--enable-oss) printf "%s" -Doss=enabled ;;
--disable-oss) printf "%s" -Doss=disabled ;;
--enable-pa) printf "%s" -Dpa=enabled ;;
--disable-pa) printf "%s" -Dpa=disabled ;;
--enable-parallels) printf "%s" -Dparallels=enabled ;;
--disable-parallels) printf "%s" -Dparallels=disabled ;;
--enable-pipewire) printf "%s" -Dpipewire=enabled ;;
--disable-pipewire) printf "%s" -Dpipewire=disabled ;;
--with-pkgversion=*) quote_sh "-Dpkgversion=$2" ;;
--enable-plugins) printf "%s" -Dplugins=true ;;
--disable-plugins) printf "%s" -Dplugins=false ;;
--enable-png) printf "%s" -Dpng=enabled ;;
--disable-png) printf "%s" -Dpng=disabled ;;
--prefix=*) quote_sh "-Dprefix=$2" ;;
--enable-pvrdma) printf "%s" -Dpvrdma=enabled ;;
--disable-pvrdma) printf "%s" -Dpvrdma=disabled ;;
--enable-qcow1) printf "%s" -Dqcow1=enabled ;;
--disable-qcow1) printf "%s" -Dqcow1=disabled ;;
--enable-qed) printf "%s" -Dqed=enabled ;;
--disable-qed) printf "%s" -Dqed=disabled ;;
--firmwarepath=*) quote_sh "-Dqemu_firmwarepath=$(meson_option_build_array $2)" ;;
--qemu-ga-distro=*) quote_sh "-Dqemu_ga_distro=$2" ;;
--qemu-ga-manufacturer=*) quote_sh "-Dqemu_ga_manufacturer=$2" ;;
--qemu-ga-version=*) quote_sh "-Dqemu_ga_version=$2" ;;
--with-suffix=*) quote_sh "-Dqemu_suffix=$2" ;;
--enable-qga-vss) printf "%s" -Dqga_vss=enabled ;;
--disable-qga-vss) printf "%s" -Dqga_vss=disabled ;;
--enable-qom-cast-debug) printf "%s" -Dqom_cast_debug=true ;;
--disable-qom-cast-debug) printf "%s" -Dqom_cast_debug=false ;;
--enable-rbd) printf "%s" -Drbd=enabled ;;
--disable-rbd) printf "%s" -Drbd=disabled ;;
--enable-rdma) printf "%s" -Drdma=enabled ;;
--disable-rdma) printf "%s" -Drdma=disabled ;;
--enable-relocatable) printf "%s" -Drelocatable=true ;;
--disable-relocatable) printf "%s" -Drelocatable=false ;;
--enable-replication) printf "%s" -Dreplication=enabled ;;
--disable-replication) printf "%s" -Dreplication=disabled ;;
--enable-rng-none) printf "%s" -Drng_none=true ;;
--disable-rng-none) printf "%s" -Drng_none=false ;;
--enable-rutabaga-gfx) printf "%s" -Drutabaga_gfx=enabled ;;
--disable-rutabaga-gfx) printf "%s" -Drutabaga_gfx=disabled ;;
--enable-safe-stack) printf "%s" -Dsafe_stack=true ;;
--disable-safe-stack) printf "%s" -Dsafe_stack=false ;;
--enable-sanitizers) printf "%s" -Dsanitizers=true ;;
--disable-sanitizers) printf "%s" -Dsanitizers=false ;;
--enable-sdl) printf "%s" -Dsdl=enabled ;;
--disable-sdl) printf "%s" -Dsdl=disabled ;;
--enable-sdl-image) printf "%s" -Dsdl_image=enabled ;;
--disable-sdl-image) printf "%s" -Dsdl_image=disabled ;;
--enable-seccomp) printf "%s" -Dseccomp=enabled ;;
--disable-seccomp) printf "%s" -Dseccomp=disabled ;;
--enable-selinux) printf "%s" -Dselinux=enabled ;;
--disable-selinux) printf "%s" -Dselinux=disabled ;;
--enable-slirp) printf "%s" -Dslirp=enabled ;;
--disable-slirp) printf "%s" -Dslirp=disabled ;;
--enable-slirp-smbd) printf "%s" -Dslirp_smbd=enabled ;;
--disable-slirp-smbd) printf "%s" -Dslirp_smbd=disabled ;;
--enable-smartcard) printf "%s" -Dsmartcard=enabled ;;
--disable-smartcard) printf "%s" -Dsmartcard=disabled ;;
--smbd=*) quote_sh "-Dsmbd=$2" ;;
--enable-snappy) printf "%s" -Dsnappy=enabled ;;
--disable-snappy) printf "%s" -Dsnappy=disabled ;;
--enable-sndio) printf "%s" -Dsndio=enabled ;;
--disable-sndio) printf "%s" -Dsndio=disabled ;;
--enable-sparse) printf "%s" -Dsparse=enabled ;;
--disable-sparse) printf "%s" -Dsparse=disabled ;;
--enable-spice) printf "%s" -Dspice=enabled ;;
--disable-spice) printf "%s" -Dspice=disabled ;;
--enable-spice-protocol) printf "%s" -Dspice_protocol=enabled ;;
--disable-spice-protocol) printf "%s" -Dspice_protocol=disabled ;;
--enable-stack-protector) printf "%s" -Dstack_protector=enabled ;;
--disable-stack-protector) printf "%s" -Dstack_protector=disabled ;;
--enable-strip) printf "%s" -Dstrip=true ;;
--disable-strip) printf "%s" -Dstrip=false ;;
--sysconfdir=*) quote_sh "-Dsysconfdir=$2" ;;
--enable-tcg) printf "%s" -Dtcg=enabled ;;
--disable-tcg) printf "%s" -Dtcg=disabled ;;
--enable-tcg-interpreter) printf "%s" -Dtcg_interpreter=true ;;
--disable-tcg-interpreter) printf "%s" -Dtcg_interpreter=false ;;
--tls-priority=*) quote_sh "-Dtls_priority=$2" ;;
--enable-tools) printf "%s" -Dtools=enabled ;;
--disable-tools) printf "%s" -Dtools=disabled ;;
--enable-tpm) printf "%s" -Dtpm=enabled ;;
--disable-tpm) printf "%s" -Dtpm=disabled ;;
--enable-trace-backends=*) quote_sh "-Dtrace_backends=$2" ;;
--with-trace-file=*) quote_sh "-Dtrace_file=$2" ;;
--enable-tsan) printf "%s" -Dtsan=true ;;
--disable-tsan) printf "%s" -Dtsan=false ;;
--enable-u2f) printf "%s" -Du2f=enabled ;;
--disable-u2f) printf "%s" -Du2f=disabled ;;
--enable-usb-redir) printf "%s" -Dusb_redir=enabled ;;
--disable-usb-redir) printf "%s" -Dusb_redir=disabled ;;
--enable-vde) printf "%s" -Dvde=enabled ;;
--disable-vde) printf "%s" -Dvde=disabled ;;
--enable-vdi) printf "%s" -Dvdi=enabled ;;
--disable-vdi) printf "%s" -Dvdi=disabled ;;
--enable-vduse-blk-export) printf "%s" -Dvduse_blk_export=enabled ;;
--disable-vduse-blk-export) printf "%s" -Dvduse_blk_export=disabled ;;
--enable-vfio-user-server) printf "%s" -Dvfio_user_server=enabled ;;
--disable-vfio-user-server) printf "%s" -Dvfio_user_server=disabled ;;
--enable-vhdx) printf "%s" -Dvhdx=enabled ;;
--disable-vhdx) printf "%s" -Dvhdx=disabled ;;
--enable-vhost-crypto) printf "%s" -Dvhost_crypto=enabled ;;
--disable-vhost-crypto) printf "%s" -Dvhost_crypto=disabled ;;
--enable-vhost-kernel) printf "%s" -Dvhost_kernel=enabled ;;
--disable-vhost-kernel) printf "%s" -Dvhost_kernel=disabled ;;
--enable-vhost-net) printf "%s" -Dvhost_net=enabled ;;
--disable-vhost-net) printf "%s" -Dvhost_net=disabled ;;
--enable-vhost-user) printf "%s" -Dvhost_user=enabled ;;
--disable-vhost-user) printf "%s" -Dvhost_user=disabled ;;
--enable-vhost-user-blk-server) printf "%s" -Dvhost_user_blk_server=enabled ;;
--disable-vhost-user-blk-server) printf "%s" -Dvhost_user_blk_server=disabled ;;
--enable-vhost-vdpa) printf "%s" -Dvhost_vdpa=enabled ;;
--disable-vhost-vdpa) printf "%s" -Dvhost_vdpa=disabled ;;
--enable-virglrenderer) printf "%s" -Dvirglrenderer=enabled ;;
--disable-virglrenderer) printf "%s" -Dvirglrenderer=disabled ;;
--enable-virtfs) printf "%s" -Dvirtfs=enabled ;;
--disable-virtfs) printf "%s" -Dvirtfs=disabled ;;
--enable-virtfs-proxy-helper) printf "%s" -Dvirtfs_proxy_helper=enabled ;;
--disable-virtfs-proxy-helper) printf "%s" -Dvirtfs_proxy_helper=disabled ;;
--enable-vmdk) printf "%s" -Dvmdk=enabled ;;
--disable-vmdk) printf "%s" -Dvmdk=disabled ;;
--enable-vmnet) printf "%s" -Dvmnet=enabled ;;
--disable-vmnet) printf "%s" -Dvmnet=disabled ;;
--enable-vnc) printf "%s" -Dvnc=enabled ;;
--disable-vnc) printf "%s" -Dvnc=disabled ;;
--enable-vnc-jpeg) printf "%s" -Dvnc_jpeg=enabled ;;
--disable-vnc-jpeg) printf "%s" -Dvnc_jpeg=disabled ;;
--enable-vnc-sasl) printf "%s" -Dvnc_sasl=enabled ;;
--disable-vnc-sasl) printf "%s" -Dvnc_sasl=disabled ;;
--enable-vpc) printf "%s" -Dvpc=enabled ;;
--disable-vpc) printf "%s" -Dvpc=disabled ;;
--enable-vte) printf "%s" -Dvte=enabled ;;
--disable-vte) printf "%s" -Dvte=disabled ;;
--enable-vvfat) printf "%s" -Dvvfat=enabled ;;
--disable-vvfat) printf "%s" -Dvvfat=disabled ;;
--enable-werror) printf "%s" -Dwerror=true ;;
--disable-werror) printf "%s" -Dwerror=false ;;
--enable-whpx) printf "%s" -Dwhpx=enabled ;;
--disable-whpx) printf "%s" -Dwhpx=disabled ;;
--enable-xen) printf "%s" -Dxen=enabled ;;
--disable-xen) printf "%s" -Dxen=disabled ;;
--enable-xen-pci-passthrough) printf "%s" -Dxen_pci_passthrough=enabled ;;
--disable-xen-pci-passthrough) printf "%s" -Dxen_pci_passthrough=disabled ;;
--enable-xkbcommon) printf "%s" -Dxkbcommon=enabled ;;
--disable-xkbcommon) printf "%s" -Dxkbcommon=disabled ;;
--enable-zstd) printf "%s" -Dzstd=enabled ;;
--disable-zstd) printf "%s" -Dzstd=disabled ;;
*) return 1 ;;
esac
}
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