# Thanks Markus Armbruster for suggesting the 'path' for QOM
$ sudo ./run tools/virsh qemu-monitor-command cvm1 --pretty '{"execute": "qom-list", "arguments": { "path": "/machine/unattached/" }}'

{
    "return": [
        {
            "name": "device[25]",
            "type": "child<smbus-eeprom>"
        },
        {
            "name": "device[24]",
            "type": "child<smbus-eeprom>"
        },
        {
            "name": "device[23]",
            "type": "child<smbus-eeprom>"
        },
        {
            "name": "device[22]",
            "type": "child<smbus-eeprom>"
        },
        {
            "name": "device[21]",
            "type": "child<smbus-eeprom>"
        },
        {
            "name": "device[20]",
            "type": "child<smbus-eeprom>"
        },
        {
            "name": "device[19]",
            "type": "child<smbus-eeprom>"
        },
        {
            "name": "device[18]",
            "type": "child<smbus-eeprom>"
        },
        {
            "name": "device[17]",
            "type": "child<PIIX4_PM>"
        },
        {
            "name": "ide[3]",
            "type": "child<qemu:memory-region>"
        },
        {
            "name": "ide[2]",
            "type": "child<qemu:memory-region>"
        },
        {
            "name": "ide[1]",
            "type": "child<qemu:memory-region>"
        },
        {
            "name": "ide[0]",
            "type": "child<qemu:memory-region>"
        },
        {
            "name": "device[16]",
            "type": "child<piix3-ide>"
        },
        {
            "name": "device[15]",
            "type": "child<isa-fdc>"
        },
        {
            "name": "dma-cont[1]",
            "type": "child<qemu:memory-region>"
        },
        {
            "name": "dma-page[3]",
            "type": "child<qemu:memory-region>"
        },
        {
            "name": "dma-page[2]",
            "type": "child<qemu:memory-region>"
        },
        {
            "name": "dma-chan[1]",
            "type": "child<qemu:memory-region>"
        },
        {
            "name": "dma-cont[0]",
            "type": "child<qemu:memory-region>"
        },
        {
            "name": "dma-page[1]",
            "type": "child<qemu:memory-region>"
        },
        {
            "name": "dma-page[0]",
            "type": "child<qemu:memory-region>"
        },
        {
            "name": "dma-chan[0]",
            "type": "child<qemu:memory-region>"
        },
        {
            "name": "device[14]",
            "type": "child<port92>"
        },
        {
            "name": "device[13]",
            "type": "child<vmmouse>"
        },
        {
            "name": "device[12]",
            "type": "child<vmport>"
        },
        {
            "name": "device[11]",
            "type": "child<i8042>"
        },
        {
            "name": "device[10]",
            "type": "child<isa-pcspk>"
        },
        {
            "name": "kvm-pit[0]",
            "type": "child<qemu:memory-region>"
        },
        {
            "name": "device[9]",
            "type": "child<kvm-pit>"
        },
        {
            "name": "device[8]",
            "type": "child<mc146818rtc>"
        },
        {
            "name": "ioportF0[0]",
            "type": "child<qemu:memory-region>"
        },
        {
            "name": "ioport80[0]",
            "type": "child<qemu:memory-region>"
        },
        {
            "name": "kvm-ioapic[0]",
            "type": "child<qemu:memory-region>"
        },
        {
            "name": "kvm-elcr[1]",
            "type": "child<qemu:memory-region>"
        },
        {
            "name": "kvm-pic[1]",
            "type": "child<qemu:memory-region>"
        },
        {
            "name": "device[7]",
            "type": "child<kvm-i8259>"
        },
        {
            "name": "kvm-elcr[0]",
            "type": "child<qemu:memory-region>"
        },
        {
            "name": "kvm-pic[0]",
            "type": "child<qemu:memory-region>"
        },
        {
            "name": "device[6]",
            "type": "child<kvm-i8259>"
        },
        {
            "name": "device[5]",
            "type": "child<PIIX3>"
        },
        {
            "name": "device[4]",
            "type": "child<i440FX>"
        },
        {
            "name": "pc.rom[0]",
            "type": "child<qemu:memory-region>"
        },
        {
            "name": "isa-bios[0]",
            "type": "child<qemu:memory-region>"
        },
        {
            "name": "pc.bios[0]",
            "type": "child<qemu:memory-region>"
        },
        {
            "name": "ram-below-4g[0]",
            "type": "child<qemu:memory-region>"
        },
        {
            "name": "pc.ram[0]",
            "type": "child<qemu:memory-region>"
        },
        {
            "name": "pci[0]",
            "type": "child<qemu:memory-region>"
        },
        {
            "name": "device[3]",
            "type": "child<kvmclock>"
        },
        {
            "name": "device[2]",
            "type": "child<kvmvapic>"
        },
        {
            "name": "kvm-apic-msi[0]",
            "type": "child<qemu:memory-region>"
        },
        {
            "name": "device[1]",
            "type": "child<kvm-apic>"
        },
        {
            "name": "device[0]",
            "type": "child<Haswell-noTSX-x86_64-cpu>"
        },
        {
            "name": "sysbus",
            "type": "child<System>"
        },
        {
            "name": "io[0]",
            "type": "child<qemu:memory-region>"
        },
        {
            "name": "system[0]",
            "type": "child<qemu:memory-region>"
        },
        {
            "name": "type",
            "type": "string"
        }
    ],
    "id": "libvirt-42"
}