$ virsh qemu-monitor-command cvm1 --pretty '{"execute":"qom-list-types"}'
{
    "return": [
        {
            "name": "virtio-tablet-pci"
        },
        {
            "name": "pc-0.13-machine"
        },
        {
            "name": "fw_cfg"
        },
        {
            "name": "generic-sdhci"
        },
        {
            "name": "i82551"
        },
        {
            "name": "i82550"
        },
        {
            "name": "Westmere-x86_64-cpu"
        },
        {
            "name": "e1000-82540em"
        },
        {
            "name": "pci-serial-4x"
        },
        {
            "name": "Penryn-x86_64-cpu"
        },
        {
            "name": "Haswell-x86_64-cpu"
        },
        {
            "name": "iothread"
        },
        {
            "name": "pc-q35-2.3-machine"
        },
        {
            "name": "icc-bridge"
        },
        {
            "name": "cfi.pflash01"
        },
        {
            "name": "virtio-gpu-device"
        },
        {
            "name": "Opteron_G3-x86_64-cpu"
        },
        {
            "name": "Broadwell-x86_64-cpu"
        },
        {
            "name": "piix3-ide"
        },
        {
            "name": "isa-parallel"
        },
        {
            "name": "pc-q35-2.4-machine"
        },
        {
            "name": "i2c-bus"
        },
        {
            "name": "megasas"
        },
        {
            "name": "usb-braille"
        },
        {
            "name": "vmware-svga"
        },
        {
            "name": "pc-i440fx-2.0-machine"
        },
        {
            "name": "PIIX3-xen"
        },
        {
            "name": "ccid-bus"
        },
        {
            "name": "scsi-cd"
        },
        {
            "name": "isa-serial"
        },
        {
            "name": "usb-ehci"
        },
        {
            "name": "user-creatable"
        },
        {
            "name": "container"
        },
        {
            "name": "host-x86_64-cpu"
        },
        {
            "name": "pci-serial-2x"
        },
        {
            "name": "piix4-ide"
        },
        {
            "name": "scsi-generic"
        },
        {
            "name": "pc-1.0-machine"
        },
        {
            "name": "virtio-net-pci"
        },
        {
            "name": "pc-dimm"
        },
        {
            "name": "pc-q35-1.7-machine"
        },
        {
            "name": "Haswell-noTSX-x86_64-cpu"
        },
        {
            "name": "pc-i440fx-2.1-machine"
        },
        {
            "name": "virtio-mouse-device"
        },
        {
            "name": "virtio-mouse-pci"
        },
        {
            "name": "isa-debugcon"
        },
        {
            "name": "ide-hd"
        },
        {
            "name": "virtio-vga"
        },
        {
            "name": "qemu64-x86_64-cpu"
        },
        {
            "name": "rng-egd"
        },
        {
            "name": "isa-pcspk"
        },
        {
            "name": "isa-pit"
        },
        {
            "name": "pc-1.1-machine"
        },
        {
            "name": "ich9-usb-ehci1"
        },
        {
            "name": "ich9-usb-ehci2"
        },
        {
            "name": "pxb-host"
        },
        {
            "name": "intel-iommu"
        },
        {
            "name": "irq"
        },
        {
            "name": "cirrus-vga"
        },
        {
            "name": "virtconsole"
        },
        {
            "name": "virtio-rng-pci"
        },
        {
            "name": "PCIE"
        },
        {
            "name": "pentium3-x86_64-cpu"
        },
        {
            "name": "qxl-vga"
        },
        {
            "name": "ioapic"
        },
        {
            "name": "kvm-pit"
        },
        {
            "name": "pc-0.14-machine"
        },
        {
            "name": "pc-i440fx-1.4-machine"
        },
        {
            "name": "xen-apic"
        },
        {
            "name": "pc-q35-2.0-machine"
        },
        {
            "name": "usb-host"
        },
        {
            "name": "usb-bus"
        },
        {
            "name": "vhost-scsi-pci"
        },
        {
            "name": "usb-kbd"
        },
        {
            "name": "486-x86_64-cpu"
        },
        {
            "name": "ES1370"
        },
        {
            "name": "gus"
        },
        {
            "name": "isa-applesmc"
        },
        {
            "name": "PIIX3"
        },
        {
            "name": "kvm-pci-assign"
        },
        {
            "name": "xen-pci-passthrough"
        },
        {
            "name": "i82559er"
        },
        {
            "name": "e1000-82545em"
        },
        {
            "name": "q35-pcihost"
        },
        {
            "name": "pc-i440fx-1.5-machine"
        },
        {
            "name": "usb-bt-dongle"
        },
        {
            "name": "AC97"
        },
        {
            "name": "i6300esb"
        },
        {
            "name": "mc146818rtc"
        },
        {
            "name": "e1000-82544gc"
        },
        {
            "name": "PIIX4_PM"
        },
        {
            "name": "piix4-usb-uhci"
        },
        {
            "name": "sysbus-ahci"
        },
        {
            "name": "virtio-tablet-device"
        },
        {
            "name": "kvm-ioapic"
        },
        {
            "name": "pvpanic"
        },
        {
            "name": "core2duo-x86_64-cpu"
        },
        {
            "name": "virtio-9p-pci"
        },
        {
            "name": "scsi-disk"
        },
        {
            "name": "acpi-device-interface"
        },
        {
            "name": "sb16"
        },
        {
            "name": "pc-0.15-machine"
        },
        {
            "name": "xenfv-machine"
        },
        {
            "name": "usb-mouse"
        },
        {
            "name": "piix3-usb-uhci"
        },
        {
            "name": "vfio-calxeda-xgmac"
        },
        {
            "name": "virtio-scsi-device"
        },
        {
            "name": "virtio-blk-pci"
        },
        {
            "name": "virtio-9p-device"
        },
        {
            "name": "hda-output"
        },
        {
            "name": "SUNW,fdtwo"
        },
        {
            "name": "tpci200"
        },
        {
            "name": "Opteron_G4-x86_64-cpu"
        },
        {
            "name": "pc-q35-1.4-machine"
        },
        {
            "name": "virtio-mmio"
        },
        {
            "name": "qemu-console"
        },
        {
            "name": "isa-i8259"
        },
        {
            "name": "System"
        },
        {
            "name": "pvscsi"
        },
        {
            "name": "virtio-net-device"
        },
        {
            "name": "usb-hub"
        },
        {
            "name": "IvyBridge-x86_64-cpu"
        },
        {
            "name": "hda-duplex"
        },
        {
            "name": "pc-i440fx-2.3-machine"
        },
        {
            "name": "virtio-keyboard-pci"
        },
        {
            "name": "pci-ohci"
        },
        {
            "name": "isapc-machine"
        },
        {
            "name": "ipoctal232"
        },
        {
            "name": "pc-1.2-machine"
        },
        {
            "name": "xio3130-downstream"
        },
        {
            "name": "ide-cd"
        },
        {
            "name": "pc-i440fx-2.2-machine"
        },
        {
            "name": "megasas-gen2"
        },
        {
            "name": "isabus-bridge"
        },
        {
            "name": "nec-usb-xhci"
        },
        {
            "name": "memory-backend-file"
        },
        {
            "name": "virtio-keyboard-device"
        },
        {
            "name": "isa-ide"
        },
        {
            "name": "isa-vga"
        },
        {
            "name": "qemu:memory-region"
        },
        {
            "name": "qemu32-x86_64-cpu"
        },
        {
            "name": "rng-random"
        },
        {
            "name": "hotplug-handler"
        },
        {
            "name": "kvm-i8259"
        },
        {
            "name": "i440FX-pcihost"
        },
        {
            "name": "rocker"
        },
        {
            "name": "tpm-tis"
        },
        {
            "name": "tpm-passthrough"
        },
        {
            "name": "apic"
        },
        {
            "name": "isa-debug-exit"
        },
        {
            "name": "pc-0.10-machine"
        },
        {
            "name": "pc-testdev"
        },
        {
            "name": "sga"
        },
        {
            "name": "Opteron_G1-x86_64-cpu"
        },
        {
            "name": "xen-pvdevice"
        },
        {
            "name": "pcnet"
        },
        {
            "name": "ivshmem"
        },
        {
            "name": "hpet"
        },
        {
            "name": "adlib"
        },
        {
            "name": "lsi53c895a"
        },
        {
            "name": "xenpv-machine"
        },
        {
            "name": "pxb-bus"
        },
        {
            "name": "usb-audio"
        },
        {
            "name": "usb-wacom-tablet"
        },
        {
            "name": "pc-0.11-machine"
        },
        {
            "name": "kvm-apic"
        },
        {
            "name": "phenom-x86_64-cpu"
        },
        {
            "name": "fw_cfg_io"
        },
        {
            "name": "ioh3420"
        },
        {
            "name": "pc-q35-2.1-machine"
        },
        {
            "name": "cs4231a"
        },
        {
            "name": "dc390"
        },
        {
            "name": "nvme"
        },
        {
            "name": "i82801b11-bridge"
        },
        {
            "name": "kvmvapic"
        },
        {
            "name": "fw-path-provider"
        },
        {
            "name": "usb-net"
        },
        {
            "name": "pci-bridge-seat"
        },
        {
            "name": "mch"
        },
        {
            "name": "usb-tablet"
        },
        {
            "name": "vhost-scsi"
        },
        {
            "name": "usb-ccid"
        },
        {
            "name": "pc-i440fx-1.7-machine"
        },
        {
            "name": "tcg-accel"
        },
        {
            "name": "virtio-mmio-bus"
        },
        {
            "name": "pc-q35-2.2-machine"
        },
        {
            "name": "usb-bot"
        },
        {
            "name": "ICH9-LPC"
        },
        {
            "name": "edu"
        },
        {
            "name": "accel"
        },
        {
            "name": "pc-i440fx-1.6-machine"
        },
        {
            "name": "kvmclock"
        },
        {
            "name": "lsi53c810"
        },
        {
            "name": "isa-cirrus-vga"
        },
        {
            "name": "ich9-usb-uhci4"
        },
        {
            "name": "virtio-serial-bus"
        },
        {
            "name": "ib700"
        },
        {
            "name": "SandyBridge-x86_64-cpu"
        },
        {
            "name": "esp"
        },
        {
            "name": "virtio-balloon-device"
        },
        {
            "name": "ccid-card-passthru"
        },
        {
            "name": "qxl"
        },
        {
            "name": "intel-hda"
        },
        {
            "name": "ich9-usb-uhci6"
        },
        {
            "name": "ich9-usb-uhci5"
        },
        {
            "name": "virtio-serial-device"
        },
        {
            "name": "ich9-usb-uhci3"
        },
        {
            "name": "ICH9 SMB"
        },
        {
            "name": "virtio-input-host-device"
        },
        {
            "name": "piix3-ide-xen"
        },
        {
            "name": "xen-accel"
        },
        {
            "name": "icc-bus"
        },
        {
            "name": "vmxnet3"
        },
        {
            "name": "IDE"
        },
        {
            "name": "VGA"
        },
        {
            "name": "pci-testdev"
        },
        {
            "name": "ich9-usb-uhci2"
        },
        {
            "name": "ich9-usb-uhci1"
        },
        {
            "name": "x3130-upstream"
        },
        {
            "name": "none-machine"
        },
        {
            "name": "SCSI"
        },
        {
            "name": "pci-bridge"
        },
        {
            "name": "sysbus-fdc"
        },
        {
            "name": "n270-x86_64-cpu"
        },
        {
            "name": "pci-serial"
        },
        {
            "name": "pc-q35-1.5-machine"
        },
        {
            "name": "athlon-x86_64-cpu"
        },
        {
            "name": "ccid-card-emulated"
        },
        {
            "name": "ISA"
        },
        {
            "name": "i8042"
        },
        {
            "name": "kvm-accel"
        },
        {
            "name": "i82559c"
        },
        {
            "name": "i82559b"
        },
        {
            "name": "i82559a"
        },
        {
            "name": "scsi-hd"
        },
        {
            "name": "qtest-accel"
        },
        {
            "name": "virtio-balloon-pci"
        },
        {
            "name": "hda-micro"
        },
        {
            "name": "scsi-block"
        },
        {
            "name": "virtio-scsi-pci"
        },
        {
            "name": "rtl8139"
        },
        {
            "name": "vmmouse"
        },
        {
            "name": "ich9-intel-hda"
        },
        {
            "name": "usb-mtp"
        },
        {
            "name": "ide-drive"
        },
        {
            "name": "fw_cfg_mem"
        },
        {
            "name": "PCI"
        },
        {
            "name": "Opteron_G5-x86_64-cpu"
        },
        {
            "name": "vmport"
        },
        {
            "name": "coreduo-x86_64-cpu"
        },
        {
            "name": "virtio-serial-pci"
        },
        {
            "name": "pc-q35-1.6-machine"
        },
        {
            "name": "xen-platform"
        },
        {
            "name": "virtio-input-host-pci"
        },
        {
            "name": "virtio-pci-bus"
        },
        {
            "name": "pentium2-x86_64-cpu"
        },
        {
            "name": "nmi"
        },
        {
            "name": "i82558b"
        },
        {
            "name": "i82558a"
        },
        {
            "name": "pc-0.12-machine"
        },
        {
            "name": "am53c974"
        },
        {
            "name": "sdhci-pci"
        },
        {
            "name": "port92"
        },
        {
            "name": "pxb"
        },
        {
            "name": "kvm64-x86_64-cpu"
        },
        {
            "name": "e1000"
        },
        {
            "name": "Conroe-x86_64-cpu"
        },
        {
            "name": "ne2k_isa"
        },
        {
            "name": "pc-1.3-machine"
        },
        {
            "name": "HDA"
        },
        {
            "name": "usb-storage"
        },
        {
            "name": "usb-serial"
        },
        {
            "name": "usb-uas"
        },
        {
            "name": "pc-i440fx-2.4-machine"
        },
        {
            "name": "sysbus-ohci"
        },
        {
            "name": "usb-redir"
        },
        {
            "name": "i82801"
        },
        {
            "name": "Broadwell-noTSX-x86_64-cpu"
        },
        {
            "name": "i82557c"
        },
        {
            "name": "i82557b"
        },
        {
            "name": "i82557a"
        },
        {
            "name": "Nehalem-x86_64-cpu"
        },
        {
            "name": "memory-backend-ram"
        },
        {
            "name": "QJSON"
        },
        {
            "name": "virtserialport"
        },
        {
            "name": "i440FX"
        },
        {
            "name": "ne2k_pci"
        },
        {
            "name": "smbus-eeprom"
        },
        {
            "name": "i82562"
        },
        {
            "name": "ich9-ahci"
        },
        {
            "name": "virtio-rng-device"
        },
        {
            "name": "isa-fdc"
        },
        {
            "name": "kvm32-x86_64-cpu"
        },
        {
            "name": "Opteron_G2-x86_64-cpu"
        },
        {
            "name": "vfio-pci"
        },
        {
            "name": "IndustryPack"
        },
        {
            "name": "virtio-gpu-pci"
        },
        {
            "name": "vt82c686b-usb-uhci"
        },
        {
            "name": "secondary-vga"
        },
        {
            "name": "pentium-x86_64-cpu"
        },
        {
            "name": "virtio-blk-device"
        }
    ],
    "id": "libvirt-24"
}