34e4704186
A couple more post v4.0 tweaks. OBS-URL: https://build.opensuse.org/request/show/701423 OBS-URL: https://build.opensuse.org/package/show/Virtualization/qemu?expand=0&rev=465
870 lines
29 KiB
Plaintext
870 lines
29 KiB
Plaintext
[qemu-x86 package document]
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[Note: post SLES 15 SP1 changes are not fully incorporated into this document]
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POST SLES 15 SP1 QEMU/KVM RELATED SUPPORT STATEMENTS
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Overview
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--------
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The QEMU based packages included with SLES 15 SP1 provide a large variety of
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features, from the very latest customer requests to features of questionable
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quality or value. The linux kernel includes components which contribute KVM
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virtualization features as well. This document was created to assist the user
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in deciding which features can be relied upon to build enterprise class
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virtualization solutions. KVM based virtualization for x86 (Intel 64/AMD64),
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for IBM System z (s390x), for Power8 Systems (ppc64le) and for the ARM64
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architecture (AArch64) are offered at the L3 (full support) level. The bulk
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of this document deals with L3 supported features and is primarily x86
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centric. This document should be considered a companion to the standard
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virtualization documentation delivered with the product.
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KVM is implemented in linux kernel modules which enable the linux kernel to
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function as an integral part of the KVM hypervisor. The hypervisor-guest
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interaction is managed by QEMU through the /dev/kvm ioctl interface. The linux
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host assists in the virtualization of storage, networking and display
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resources as well as allowing direct hardware passthrough of PCI and USB
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devices. Linux memory and cpu management features are used by QEMU/KVM to
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enable guests to share those host resources as efficiently as possible.
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QEMU is a primary component of KVM based virtualization. The legacy qemu-kvm
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program is available for continuity with pre SLES 12 usage, including in
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libvirt domain xml references. The QEMU emulator binaries qemu-system-x86_64
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and qemu-system-i386 (x86 host) are now the primary programs to use to access
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KVM virtualization. When using these programs, the -machine option accel=kvm
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(or its alias -enable-kvm) must be specified for KVM acceleration to be
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used by the guest. Although Xen uses QEMU for virtualization as well, this
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document does not identify Xen supported features.
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Libvirt is the preferred means of accessing QEMU/KVM functionality and is
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documented elsewhere. This document focuses on the features and direct usage
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of QEMU/KVM as provided by the QEMU based packages.
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Major QEMU/KVM Supported Features
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---------------------------------
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- KVM virtualization is accomplished by using the QEMU program in KVM
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acceleration mode. KVM acceleration requires that both guest and host have
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the same fundamental architecture.
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- Guest images created under previous QEMU versions are supported by machine
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version compatibilities built into more recent QEMU versions.
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- For ease of use, the QEMU program has defaults which represent traditional
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usage patterns.
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- Guest virtual machine characteristics are specified by a combination of
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internal defaults, options provided on the QEMU program command-line, runtime
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configurations set via the monitor interfaces and optional config files. The
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runtime control of a VM is effected either through the Human Monitor
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"Protocol" (HMP), or the JSON based programmatical QEMU Monitor Protocol (QMP)
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interface. For QMP details, see qemu-qmp-ref man page.
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Since a KVM guest runs in the context of a normal linux process, some types
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of execution controls are managed with linux tools.
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- Various standard vCPU types are available, along with the ability to specify
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individual CPU features visible to the guest.
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- QEMU incorporates a SEABIOS based system BIOS and iPXE based PXE ROMs, which
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allow boot options common to physical systems, along with other features
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tailored to virtualization. Various VGABIOS ROMs, also from the SEABIOS
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project, are also included. A UEFI based guest boot environment is also
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available by using the firmware provided by the qemu-ovmf-x86_64 package.
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- Some QEMU messages have been localized to various languages. This is provided
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by the optional qemu-lang package. Keyboard mappings for various nationalities
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is also provided.
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- Virtual machine lifecycle controls include startup through the system BIOS or
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kernel boot, ACPI or legacy based shutdown, execution pausing, the saving and
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restoring of machine state or disk state, VM migration to another host, and
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miscellaneous controls available through the "monitors" mentioned above.
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- Guest execution state may be "moved" in both time (save/restore) and space
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(static and live migration). These migrations or save/restore operations can
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take place either from certain prior SLES versioned hosts to a SLES 15 SP1
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host or between hosts of the same version. Certain other restrictions also
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apply.
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- Security considerations include seccomp2 based sandboxing, vTPM, privileged
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helpers and a security model which allows running guests as a non-root user.
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- QEMU/KVM supports a wide range of operating systems within the VMs. See the
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online SUSE documentation for supported OS's. Windows guests can optionally be
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accelerated with QEMU/KVM provided Hyper-V hypercalls, or with paravirtual
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drivers from the SUSE Virtual Machine Driver Pack. Linux includes a number of
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paravirtual drivers as well.
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- QEMU provides best effort reuse of existing disk images, including those with
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systems installed, through geometry probing. Also disk images produced by
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other popular virtualization technologies may be imported into QEMU supported
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storage formats. These QEMU formats include features which exploit the
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benefits of virtualization.
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- Memory, cpu and disk space overcommit are possible and can be beneficial when
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done responsibly. Additional management of these resources comes in the form
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of memory ballooning or hotplug, host KSM, vcpu hot-add, online disk resizing,
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trim, discard and hole punching.
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- Guest performance is enhanced through the use of virtio devices, various disk
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caching modes, network acceleration via the vhost-net kernel module, multi-
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queue network transmit capabilities, host transparent huge pages (THP) and
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direct hugetlb usage. Physical PCI and USB devices may also be passed through
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to the guest, including SR-IOV VF's.
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- The guest UI is accessable via GTK, VNC, Spice, and serial (including curses
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TUI) interfaces.
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- Guest timekeeping is supported in a variety of ways, including a paravirtual
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clocksource, and options for the various guest clocks for how to handle the
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timeslicing of the guest's execution on the host.
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- Guest OS's interact with virtualized hardware including a choice of either
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older or more recent x86 system chipsets, system devices and buses, and a
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variety of common storage and networking emulated devices. SMBIOS and ACPI
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table details can be customized.
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- In addition to the para-virtualized devices already mentioned, other devices
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and infrastructure designed to avoid virtualization "problem areas" are
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available such as SPICE graphics, vmmouse emulation, tablet style pointer
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interfaces and virtio based UI interfaces.
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- A built-in user-mode network (SLIRP) stack is available.
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- Portions of the host file system may be shared with a guest by using virtFS.
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- A guest "agent" is available for SLES 15 SP1 KVM guests via the
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qemu-guest-agent package. This allows some introspection and control of the
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guest OS environment from the host.
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QEMU/KVM Technology Previews
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----------------------------
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- Nested VMX and SVM virtualization is possible.
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- All features indicated as not being supported in this document fall under the
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Technology Preview definition contained in the main product's release notes.
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Noteworthy QEMU/KVM Unsupported Features
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----------------------------------------
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- Note that some features are unsupported simply due to lack of validation. If
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an existing feature is desired, but not marked supported, let SUSE know about
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your requirements.
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- The TCG "acceleration" mode may be helpful for problem isolation, but
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otherwise presents insufficient benefit and stability.
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- Use of -cpu host is not supported in all host/guest configurations.
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- GlusterFS integration is not enabled.
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Deprecated, Superseded, Modified and Dropped Features
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-----------------------------------------------------
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- http://wiki.qemu-project.org/Features/LegacyRemoval
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This website tracks feature deprecation and removal at the upstream
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development level. Our qemu package inherits this community direction, but be
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aware that we can and will deviate as needed. Those deviations and additional
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information can be found in this section. Feature deprecation is also tracked
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in Appendix B of the qemu-doc.* files installed with the qemu package.
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- When no video adapter is specified, the default used is stdvga. This differs
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from the default of prior releases which was cirrus. The cirrus adapter was
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considered too outdated to continue to use as the default.
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- The deprecated windows drivers (win-virtio-drivers.iso) are no longer provided.
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The Virtual Machine Driver Pack is the supported way to get virtio drivers for
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Windows guests.
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- The use of ",boot=on" for virtio disks is no longer needed since the bios used
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supports the virtio block interface directly. In fact, its usage may cause
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problems, and is now considered deprecated.
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- The use of "?" as a parameter to "-cpu", "-soundhw", "-device", "-M",
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"-machine" and "-d" is now considered deprecated. Use "help"
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instead.
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- The use of "if=scsi" as a parameter to "-drive" does not work anymore with PC
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machine types, as it created an obsolete SCSI controller model.
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- Passthrough of a host floppy device is now considered deprecated.
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- Use of aio=native without direct cache mode also being specified (cache=none,
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cache=directsync, or cache.direct=on) is no longer allowed.
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- The use of image encryption in qcow and qcow2 formats is now considered
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deprecated.
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Analysis has shown it to be weak encryption, in addition to suffering from
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poor design. Images can easily be converted to a non-encrypted format.
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- Use of acpi, boot-opts, and smp-opts in a -readconfig config file are now
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considered deprecated. In the future those names will be standardized to
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acpitable, boot, and smp respectively.
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- When only a partial SMP topology is provided (ie only some of sockets, cores,
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threads) the derived guest ABI is not guaranteed to be equivalent in future
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versions.
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- The previously supported machine types pc-0.12, pc-0.14 and pc-0.15 are now
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deprecated.
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- These previously supported command line options are now considered deprecated:
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<none>
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- These previously supported command line options are no longer supported:
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<previously mentioned items have been moved to another category>
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- These previously supported command line options are no longer recognized:
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-balloon (use -device virtio-balloon instead)
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-clock
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-device ivshmem (use ivshmem-doorbell or ivshmem-plain instead)
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-device pc-sysfw (no longer needed)
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-device pci-assign, -device kvm-pci-assign (use -device vfio-pci instead)
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-display sdl
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-no-frame
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-nodefconfig (use -no-user-config instead)
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-sdl
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-virtioconsole (use -device virtconsole instead)
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- Specifying a cpu feature with both "+feature/-feature" and "feature=on/off"
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will now cause a warning. The current behavior for this combination where
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"+feature/-feature" wins over "feature=on/off", will be changed going forward
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so that "+feature" and "-feature" will be synonyms for "feature=on" and
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"feature=off" respectively.
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- The previously supported blkdev-add QMP command has been flagged as lacking
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and could possibly change syntax in the future.
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- These previously unsupported command line options are now deprecated:
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-bt
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-no-kvm-pit
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- The previously unsupported machine type pc-0.13 is now deprecated.
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- The case of specified sockets, cores, and threads not matching the vcpu count
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is no longer silently ignored. QEMU now requires that the topology match the
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vcpu count.
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- These previously unsupported command line options are no longer recognized:
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-device at24c-eeprom
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-device ccid-card-passthru
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-device cfi.pflash01
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-device esp
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-device exynos4210-ehci-usb
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-device fusbh200-ehci-usb
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-device icc-bridge
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-device q35-pcihost
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-device mch
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-device mmio_interface
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-device smbus-eeprom
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-device SUNW,fdtwo
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-device sysbus-ahci
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-device sysbus-fdc
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-device sysbus-ohci
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-device tegra2-ehci-usb
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-device testdev (use -device pc-testdev instead)
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-device virtio-mmio
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-device xln,ps7-usb
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-enable-hax (use -accel hax instead)
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-enable-nesting
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-kvm-shadow-memory (use -machine kvm_shadow_mem= instead)
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-M mac
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-machine mac
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-no-kvm-irqchip (use -machine kernel_irqchip=off instead)
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-no-kvm-pit
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-no-kvm-pit-reinjection (use -global kvm-pit.lost_tick_policy=discard instead)
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-nvram
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-old-param
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-osk
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-pcidevice (use -device vfio-pci instead)
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-qtest
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-semihosting
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-tdf (note: mistakenly listed previously as supported)
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-xen-create
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- The previously unsupported machine types pc-0.10 and pc-0.11 are no longer
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recognized.
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- This previously supported QMP command is now deprecated:
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cpu-add
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query-cpus (use query-cpus-fast instead)
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query-events
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- This previously supported monitor command is now deprecated:
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cpu-add
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- These previously supported monitor commands are no longer recognized:
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cpu_set
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pci_add (use device_add instead)
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pci_del (use device_del instead)
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usb_add (use device_add instead)
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usb_del (use device_del instead)
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- These previously unsupported monitor command are now deprecated:
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acl_add ...
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acl_policy ...
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acl_remove ...
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acl_reset ...
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acl_show ...
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- These previously unsupported monitor commands are no longer recognized:
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host_net_add
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host_net_remove
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- These previously unsupported QMP command is now supported under a new name:
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x-block-dirty-bitmap-disable (use block-dirty-bitmap-disable instead)
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x-block-dirty-bitmap-enable (use block-dirty-bitmap-enable instead)
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x-block-dirty-bitmap-merge (use block-dirty-bitmap-merge instead)
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x-block-latency-histogram-set (use block-latency-histogram-set instead)
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x-blockdev-create (use blockdev-create instead)
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x-input-send-event (use input-send-event instead)
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- This previously unsupported QMP command is no longer recognized:
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x-nbd-server-add-bitmap
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- Due to the lack of migration support (mainly due to ahci interface issues)
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and other unstable interface issues, earlier versions of the q35 machine type
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are not supported in this release. The current q35 machine type is however now
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fully supported.
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- Due to upstream's decision to no longer fully support the qed storage format
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going forward (since it really provides no benefit over qcow2 and is now no
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longer actively maintained upstream), creating qed storage images is no longer
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supported and it is highly discouraged to continue using existing qed images.
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They should instead be converted to another supported format.
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- If KVM Intel nested virtualization is enabled, and the guest is passed the vmx
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feature, then live migration or save/restore is prohibited.
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QEMU Command-Line and Monitor Syntax and Support
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------------------------------------------------
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- The QEMU program command-line syntax is as follows:
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qemu-system-i386 [options] [disk_image]
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qemu-system-x86_64 [options] [disk_image]
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Where 'options' are taken from the options listed below, and 'disk_image' is
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the file system reference to the x86 guest's primary IDE based hard disk
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image. This image as well as those used with -drive or -cdrom, may be in the
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raw (no format) or qcow2 storage formats, and may be located in files within
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the host filesystem, logical volumes, host physical disks, or network based
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storage. Read only media may also be accessed via URL style protocol
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specifiers.
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Note that as a general rule, as new command line options are added which serve
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to replace an older option or interface, you are strongly encouraged to adapt
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your usage to the new option. The new option is being introduced to provide
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better functionality and usability going forward. In some cases existing
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problems or even bugs in older interfaces cannot be fixed due to functional
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expectations, but are resolved in the newer interface or option.
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This advice includes moving to the most recent machine type (eg pc-i440fx-3.1
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instead of pc-i440fx-2.11) if possible.
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- The following command line options are supported:
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-accel ...
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-add-fd ...
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-alt-grab
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-append ...
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-audio-help
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-audiodev
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-bios ...
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-blockdev ...
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-boot ...
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-cdrom ...
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-chardev ..
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-cpu ... (all except host)
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-ctrl-grab
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-d ...
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-daemonize
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-debugcon ...
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-device [isa-serial|isa-parallel|isa-fdc|ide-drive|ide-hd|ide-cd|VGA|
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cirrus-vga|rtl8139|usb-hub|usb-ehci|usb-tablet|usb-storage|usb-mouse|
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usb-kbd|virtserialport|virtconsole|sga|i82559er|scsi-cd|scsi-hd|
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scsi-generic|scsi-disk|scsi-block|pci-serial|pci-serial-2x|
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pci-serial-4x|ich9-ahci|piix3-usb-uhci|usb-host|usb-serial|
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usb-wacom-tablet|usb-braille|usb-net|pci-ohci|piix4-usb-uhci|i6300esb|
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ib700|qxl|qxl-vga|pvpanic|vfio-pci|ivshmem-doorbell|ivshmem-plain|
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pci-bridge|megasas-gen2|pc-dimm|floppy|e1000e|ccid-card-emulated|
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ccid-card-passthrough|xen-backend|loader|e1000-82540em|vmgenid|
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vmcoreinfo|pcie-pci-bridge|ich9-usb-ehci1|ich9-usb-ehci2|
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ich9-usb-uhci1|ich9-usb-uhci2|ich9-usb-uhci3|ich9-usb-uhci4|
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ich9-usb-uhci5|ich9-usb-uhci6|usb-redir|vhost-scsi|vhost-scsi-pci|
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vhost-user-blk|vhost-user-blk-pci|vhost-user-scsi|vhost-user-scsi-pci|
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vhost-vsock-pci|virtio-balloon-pci|
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virtio-balloon-pci-non-transitional|virtio-balloon-pci-transitional|
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virtio-blk-pci|virtio-blk-pci-non-transitional|
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virtio-blk-pci-transitional|virtio-net-pci|
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virtio-net-pci-non-transitional|virtio-net-pci-transitional|
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virtio-9p-pci|virtio-9p-pci-non-transitional|
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virtio-9p-pci-transitional|virtio-serial-pci|
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virtio-serial-pci-non-transitional|virtio-serial-pci-transitional|
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virtio-scsi-pci|virtio-scsi-pci-non-transitional|
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virtio-scsi-pci-transitional|virtio-rng-pci|
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virtio-rng-pci-non-transitional|virtio-rng-pci-transitional|
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virtio-input-host-pci|virtio-input-host-pci-non-transitional|
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virtio-input-host-pci-transitional|virtio-keyboard-pci|
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virtio-mouse-pci|virtio-tablet-pci|virtio-gpu-pci|virtio-crypto-pci|
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virtio-vga]
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(the following are aliases of these supported devices: ahci|
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e1000|virtio-blk|virtio-net|virtio-serial|virtio-balloon|virtio-9p|
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virtio-scsi|virtio-rng|virtio-input-host|virtio-keyboard|virtio-mouse|
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virtio-tablet|virtio-gpu)
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-dfilter range, ...
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-display ...
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-drive ... (if specified if=[floppy|ide|virtio] and format=[qcow2|raw] and
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snapshot=off only)
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-echr ...
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-enable-fips
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-enable-kvm
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-fda/-fdb ...
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-fsdev ...
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-full-screen
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-fw_cfg ...
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-gdb ...
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-global ...
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-h
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-hda/-hdb/-hdc/-hdd ...
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-help
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-incoming ...
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-initrd ...
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-iscsi ...
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-k ...
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-kernel ...
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-loadvm ...
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-m ...
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-M [help|?|none|pc|pc-0.12|pc-0.14|pc-0.15|pc-i440fx-1.4|pc-i440fx-1.7|
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|
pc-i440fx-2.0|pc-i440fx-2.3|pc-i440fx-2.6|pc-i440fx-2.9|pc-i440fx-2.11|
|
|
pc-i440fx-3.0|q35|pc-q35-2.6|pc-q35-2.9|pc-q35-2.11|pc-q35-3.1|xenfv|xenpv]
|
|
-machine [help|?|none|pc|pc-0.12|pc-0.14|pc-0.15|pc-i440fx-1.4|pc-i440fx-1.7|
|
|
pc-i440fx-2.0|pc-i440fx-2.3|pc-440fx-2.6|pc-i440fx-2.9|
|
|
pc-i440fx-2.11|pc-i440fx-3.0|q35|pc-q35-2.6|pc-q35-2.9|pc-q35-2.11|
|
|
pc-q35-3.1|xenfv|xenpv]
|
|
-mem-path ...
|
|
-mem-prealloc
|
|
-mon ...
|
|
-monitor ...
|
|
-msg ...
|
|
-name ...
|
|
-net [bridge|l2tpv3|nic|none|tap|user] ... (for model= only e1000, rtl8139,
|
|
and virtio are supported)
|
|
-netdev [bridge|tap|user] ...
|
|
-nic ...
|
|
-no-acpi
|
|
-nodefaults
|
|
-no-fd-bootchk
|
|
-nographic
|
|
-no-hpet
|
|
-no-quit
|
|
-no-reboot
|
|
-no-shutdown
|
|
-no-user-config
|
|
-numa cpu ...
|
|
-numa dist ...
|
|
-object ...
|
|
-only-migratable
|
|
-parallel ...
|
|
-pidfile ...
|
|
-qmp ...
|
|
-qmp-pretty ...
|
|
-readconfig ...
|
|
-realtime ...
|
|
-rtc ...
|
|
-runas ...
|
|
-s
|
|
-S
|
|
-sandbox ...
|
|
-serial ...
|
|
-show-cursor
|
|
-smbios ...
|
|
-smp ...
|
|
-spice
|
|
-tpmdev passthrough ...
|
|
-trace ...
|
|
-usb
|
|
-usbdevice [braile|disk|host|mouse|net|serial|tablet]
|
|
-uuid ..
|
|
-version
|
|
-vga [cirrus|none|qxl|std|xenfb]
|
|
-virtfs ...
|
|
-vnc ...
|
|
-watchdog ...
|
|
-watchdog-action ...
|
|
-writeconfig ...
|
|
-xen-attach ...
|
|
-xen-domid ...
|
|
-xen-domid-restrict ...
|
|
|
|
- The following monitor commands are supported:
|
|
?
|
|
balloon ...
|
|
block_resize ...
|
|
boot_set ...
|
|
c
|
|
change ...
|
|
chardev-add ...
|
|
chardev-change ...
|
|
chardev-remove ...
|
|
chardev-send-break ...
|
|
client_migrate_info ...
|
|
closefd ...
|
|
cont
|
|
cpu ...
|
|
cpu-add ...
|
|
delvm ...
|
|
device_add ...
|
|
device_del ...
|
|
drive_add ...
|
|
drive_backup ...
|
|
drive_del ...
|
|
dump_guest_memory ...
|
|
eject ...
|
|
gdbserver ...
|
|
gpa2hpa ...
|
|
gpa2hva ...
|
|
help
|
|
i ...
|
|
info ...
|
|
loadvm ...
|
|
logfile ...
|
|
logitem ...
|
|
mce ...
|
|
memsave ...
|
|
migrate ...
|
|
migrate_cancel
|
|
migrate_continue ...
|
|
migrate_incoming
|
|
migrate_pause
|
|
migrate_recover ...
|
|
migrate_set_cache_size ...
|
|
migrate_set_capability ...
|
|
migrate_set_downtime ...
|
|
migrate_set_parameter ...
|
|
migrate_set_speed ...
|
|
migrate_start_post_copy
|
|
mouse_button ...
|
|
mouse_move ...
|
|
mouse_set ...
|
|
nmi ...
|
|
o ...
|
|
object_add ...
|
|
object_del ...
|
|
p ...
|
|
pci_add ...
|
|
pci_del...
|
|
pmemsave ...
|
|
print ...
|
|
q
|
|
qemu-io ...
|
|
qom-list
|
|
qom-set
|
|
ringbuf_read ...
|
|
ringbuf_write ...
|
|
savevm ...
|
|
screendump ...
|
|
sendkey ...
|
|
snapshot_blkdev_internal ...
|
|
snapshot_delete_blkdev_internal ...
|
|
stop
|
|
sum ...
|
|
system_powerdown
|
|
system_reset
|
|
system_wakeup
|
|
trace-event ...
|
|
watchdog_action ...
|
|
x ...
|
|
xp ...
|
|
|
|
- The following QMP commands are supported:
|
|
add_client
|
|
add-fd
|
|
balloon
|
|
blockdev-add
|
|
blockdev-backup
|
|
blockdev-change-medium
|
|
blockdev-close-tray
|
|
blockdev-create
|
|
blockdev-del
|
|
blockdev-mirror
|
|
blockdev-open-tray
|
|
blockdev-snapshot
|
|
blockdev-snapshot-delete-internal-sync
|
|
blockdev-snapshot-internal-sync
|
|
blockdev-snapshot-sync
|
|
block-commit
|
|
block-dirty-bitmap-add
|
|
block-dirty-bitmap-clear
|
|
block-dirty-bitmap-disable
|
|
block-dirty-bitmap-enable
|
|
block-dirty-bitmap-merge
|
|
block-dirty-bitmap-remove
|
|
block_passwd
|
|
block_resize
|
|
block_set_io_throttle
|
|
block-set-write-threshold
|
|
block_stream
|
|
change
|
|
change-vnc-password
|
|
chardev-add
|
|
chardev-change
|
|
chardev-remove
|
|
chardev-send-break
|
|
client_migrate_info
|
|
closefd
|
|
cont
|
|
cpu
|
|
cpu-add
|
|
device_add
|
|
device_del
|
|
device-list-properties
|
|
dump-guest-memory
|
|
eject
|
|
expire_password
|
|
getfd
|
|
human-monitor-command
|
|
inject-nmi
|
|
input-send-event
|
|
job-cancel
|
|
job-complete
|
|
job-dismiss
|
|
job-finalize
|
|
job-pause
|
|
job-resume
|
|
memsave
|
|
migrate
|
|
migrate_cancel
|
|
migrate-continue
|
|
migrate-incoming
|
|
migrate-pause
|
|
migrate-resume
|
|
migrate-set-cache-size
|
|
migrate-set-capabilities
|
|
migrate_set_downtime
|
|
migrate_set_speed
|
|
migrate-set-parameters
|
|
migrate-start-postcopy
|
|
object-add
|
|
object-del
|
|
pmemsave
|
|
qmp_capabilities
|
|
qom-get
|
|
qom-list
|
|
qom-list-types
|
|
qom-set
|
|
query-acpi-ospm-status
|
|
query-balloon
|
|
query-block
|
|
query-block-jobs
|
|
query-blockstats
|
|
query-chardev
|
|
query-chardev-backends
|
|
query-command-line-options
|
|
query-commands
|
|
query-cpu-definitions
|
|
query-cpu-model-baseline
|
|
query-cpu-model-comparison
|
|
query-cpu-model-expansion
|
|
query-cpus
|
|
query-cpus-fast
|
|
query-current-machine
|
|
query-display-options
|
|
query-dump
|
|
query-dump-guest-memory-capability
|
|
query-events
|
|
query-fdsets
|
|
query-gic-capabilities
|
|
query-hotpluggable-cpus
|
|
query-iothreads
|
|
query-jobs
|
|
query-kvm
|
|
query-machines
|
|
query-memdev
|
|
query-memory-devices
|
|
query-memory-size-summary
|
|
query-mice
|
|
query-migrate
|
|
query-migrate-cache-size
|
|
query-migrate-capabilities
|
|
query-migrate-parameters
|
|
query-name
|
|
query-named-block-nodes
|
|
query-pci
|
|
query-pr-managers
|
|
query-qmp-schema
|
|
query-rocker
|
|
query-rocker-of-dpa-flows
|
|
query-rocker-of-dpa-groups
|
|
query-rocker-ports
|
|
query-rx-filter
|
|
query-spice
|
|
query-status
|
|
query-target
|
|
query-tpm
|
|
query-tpm-models
|
|
query-tpm-types
|
|
query-uuid
|
|
query-version
|
|
query-vnc
|
|
query-vnc-servers
|
|
query-xen-replication-status
|
|
quit
|
|
remove-fd
|
|
ringbuf-read
|
|
ringbuf-write
|
|
rtc-reset-reinjection
|
|
screendump
|
|
send-key
|
|
set_link
|
|
set_password
|
|
set-numa-node
|
|
stop
|
|
system_powerdown
|
|
system_reset
|
|
system_wakeup
|
|
trace-event-get-state
|
|
trace-event-set-state
|
|
transaction
|
|
watchdog-set-action
|
|
xen-load-devices-state
|
|
xen-save-devices-state
|
|
xen-set-global-dirty-log
|
|
|
|
- The following command line options are unsupported:
|
|
-acpitable ...
|
|
-bt ...
|
|
-chroot ...
|
|
-cpu host
|
|
-curses
|
|
-device [ipoctal232|i82562|nec-usb-xhci|hda-duplex|hda-output|usb-bot|
|
|
lsi53c810a|isa-debug-exit|ne2k_pci|usb-uas|ioh3420|isa-ide|usb-ccid|
|
|
pcnet|ich9-intel-hda|dc390|hda-micro|x3130-upstream|isa-cirrus-vga|
|
|
pc-testdev|ne2k_isa|isa-vga|cs4231a|gus|vmware-svga|i82801b11-bridge|
|
|
i82557a|i82557c|i82557b|i82801|AC97|am53c974|intel-hda|i82558a|
|
|
i82558b|usb-audio|i82550|isa-debugcon|sb16|megasas|i82551|
|
|
xio3130-downstream|vt82c686b-usb-uhci|tpci200|i82559a|i82559b|i82559c|
|
|
isa-applesmc|usb-bt-dongle|adlib|ES1370|lsi53c810|nvme|pci-testdev|
|
|
pvscsi|virtio-9p-device|virtio-balloon-device|virtio-blk-device|
|
|
virtio-net-device|virtio-rng-device|virtio-scsi-device|
|
|
virtio-serial-device|vmxnet3|xen-pci-passthrough|xen-platform|
|
|
xen-pvdevice|piix3-ide|piix3-ide-xen|piix3-ide|i8042|sdhci-pci|
|
|
secondary-vga|edu|intel_iommu|usb-mtp|e1000-82544gc|e1000-82545em|
|
|
pci-bridge-seat|pxb|pxb-pcie|rocker|virtio-input-host-device|
|
|
virtio-keyboard-device|virtio-mouse-device|virtio-tablet-device|
|
|
hyperv-testdev|generic-sdhci|igd-passthrough-isa-bridge|
|
|
ipmi-bmc-extern|ipmi-bmc-sim|isa-ipmi-bt|isa-ipmi-kcs|mptsas1068|
|
|
nvdimm|pxb-host|sd-card|virtio-gpu-device|amd-iommu|AMDVI-PCI|
|
|
vhost-vsock-device|virtio-crypto-device|vfio-pci-igd-lpc-bridge|
|
|
pcie-root-port|qemu-xhci|*-i386-cpu|*-x86_64-cpu|pvrdma|bochs-display|
|
|
ramfb|ccid-card-emulated|ccid-card-passthru|kvaser_pci|tpm-crb|
|
|
mioe3680_pci|pcm3680_pci|hyperv-synic|vfio-pci-nohotplug|
|
|
vfio-platform|xen-bridge|xen-cdrom|xen-disk|ati-vga|cpu-cluster]
|
|
(the following are aliases of these unsupported devices: lsi)
|
|
(note that some of these device names represent supported devices and
|
|
are used internally, but are not specifyable via -device even though
|
|
they appear in the list of devices)
|
|
-drive ,if=[scsi|mtd|pflash], snapshot=on, format=[anything besides qcow2 or
|
|
raw]
|
|
-dtb file
|
|
-enable-hax
|
|
-enable-sync-profile
|
|
-g ...
|
|
-icount ...
|
|
-L ...
|
|
-M [isapc|pc-0.13|pc-1.0|pc-1.1|pc-1.2|pc-1.3|pc-i440fx-1.5|pc-i440fx-1.6|
|
|
pc-i440fx-2.1|pc-i440fx-2.2|pc-i440fx-2.4|pc-i440fx-2.5|pc-i440fx-2.7|
|
|
pc-i440fx-2.8|pc-i440fx-2.10|pc-i440fx-2.12|pc-i440fx-3.0|pc-1440fx-4.0|
|
|
pc-q35-1.4|pc-q35-1.5|pc-q35-1.6|pc-q35-1.7|pc-q35-2.0|pc-q35-2.1|
|
|
pc-q35-2.2|pc-q35-2.3|pc-q35-2.4|pc-q35-2.5|pc-q35-2.7|pc-q35-2.8|
|
|
pc-q35-2.10|pc-q35-2.12|pc-q35-3.0|pc-q35-4.0]
|
|
-machine [isapc|pc-0.13|pc-1.0|pc-1.1|pc-1.2|pc-1.3|pc-i440fx-1.5|
|
|
pc-i440fx-1.6|pc-i440fx-2.1|pc-i440fx-2.2|pc-i440fx-2.4|
|
|
pc-i440fx-2.5|pc-i440fx-2.7|pc-i440fx-2.8|pc-i440fx-2.10|
|
|
pc-i440fx-2.12|pc-i440fx-3.0|pc-i440fx-4.0|pc-q35-1.4|pc-q35-1.5|
|
|
pc-q35-1.6|pc-q35-1.7|pc-q35-2.0|pc-q35-2.1|pc-q35-2.2|pc-q35-2.3|
|
|
pc-q35-2.4|pc-q35-2.5|pc-q35-2.7|pc-q35-2.8|pc-q35-2.10|pc-q35-2.12|
|
|
pc-q35-3.0|pc-q35-4.0]
|
|
-mtdblock file
|
|
-net [dump|socket|vde] ...
|
|
-netdev [dump|hubport|l2tpv3|socket|vde] ...
|
|
-no-kvm
|
|
-numa node ...
|
|
-option-rom ...
|
|
-overcommit ...
|
|
-pflash file
|
|
-portrait
|
|
-preconfig
|
|
-prom-env ...
|
|
-qtest ...
|
|
-qtest-log ...
|
|
-rotate
|
|
-sd file
|
|
-sdl
|
|
-set ...
|
|
-singlestep
|
|
-snapshot
|
|
-soundhw ...
|
|
-tb-size ...
|
|
-tpmdev emulator ...
|
|
-vga [cg3|tcx|virtio|vmware]
|
|
-win2k-hack
|
|
|
|
- The following monitor commands are unsupported:
|
|
acl_add ...
|
|
acl_policy ...
|
|
acl_remove ...
|
|
acl_reset ...
|
|
acl_show ...
|
|
block_job_cancel ...
|
|
block_job_complete ...
|
|
block_job_pause ...
|
|
block_job_resume ...
|
|
block_job_set_speed ...
|
|
block_passwd ...
|
|
commit ...
|
|
drive_mirror ...
|
|
exit_preconfig
|
|
expire_password ...
|
|
hostfwd_add ...
|
|
hostfwd_remove ...
|
|
nbd_server_add ...
|
|
nbd server_start ...
|
|
nbd_server_stop ...
|
|
netdev_add
|
|
netdev_del ...
|
|
pcie_aer_inject_error ...
|
|
set_link ...
|
|
set_password ...
|
|
singlestep ...
|
|
snapshot_blkdev ...
|
|
stopcapture ...
|
|
sync-profile ...
|
|
wavcapture ...
|
|
x_colo_lost_heartbeat
|
|
|
|
- The following QMP commands are unsupported:
|
|
block-job-cancel
|
|
block-job-complete
|
|
block-job-pause
|
|
block-job-resume
|
|
block-job-set-speed
|
|
change-backing-file
|
|
drive-backup
|
|
drive-mirror
|
|
dump-skeys
|
|
netdev_add
|
|
netdev_del
|
|
nbd-server-add
|
|
nbd-server-start
|
|
nbd-server-stop
|
|
query-colo-status
|
|
query-sev
|
|
query-sev-launch-measure
|
|
x-blockdev-change
|
|
x-blockdev-insert-medium
|
|
x-blockdev-remove-medium
|
|
x-blockdev-reopen
|
|
x-colo-lost-heartbeat
|
|
x-debug-block-dirty-bitmap-sha256
|
|
x-exit-preconfig
|
|
xen-colo-do-checkpoint
|
|
xen-set-replication
|