$ virsh qemu-monitor-command cvm1 --hmp info qtree
bus: main-system-bus
  type System
  dev: kvm-ioapic, id ""
    gpio-in "" 24
    gsi_base = 0 (0x0)
    mmio 00000000fec00000/0000000000001000
  dev: i440FX-pcihost, id ""
    pci-hole64-size = 18446744073709551615 (16 EiB)
    short_root_bus = 0 (0x0)
    bus: pci.0
      type PCI
      dev: virtio-balloon-pci, id "balloon0"
        class = 255 (0xff)
        virtio-pci-bus-master-bug-migration = false
        disable-legacy = false
        disable-modern = true
        addr = 06.0
        romfile = ""
        rombar = 1 (0x1)
        multifunction = false
        command_serr_enable = true
        class Class 00ff, addr 00:06.0, pci id 1af4:1002 (sub 1af4:0005)
        bar 0: i/o at 0xc0e0 [0xc0ff]
        bus: virtio-bus
          type virtio-pci-bus
          dev: virtio-balloon-device, id ""
            deflate-on-oom = false
            indirect_desc = true
            event_idx = true
            notify_on_empty = true
            any_layout = false
      dev: virtio-net-pci, id "net0"
        ioeventfd = false
        vectors = 3 (0x3)
        virtio-pci-bus-master-bug-migration = false
        disable-legacy = false
        disable-modern = true
        addr = 02.0
        romfile = "efi-virtio.rom"
        rombar = 1 (0x1)
        multifunction = false
        command_serr_enable = true
        class Ethernet controller, addr 00:02.0, pci id 1af4:1000 (sub 1af4:0001)
        bar 0: i/o at 0xc040 [0xc05f]
        bar 1: mem at 0xfebc0000 [0xfebc0fff]
        bar 6: mem at 0xffffffffffffffff [0x3fffe]
        bus: virtio-bus
          type virtio-pci-bus
          dev: virtio-net-device, id ""
            csum = true
            guest_csum = true
            gso = true
            guest_tso4 = true
            guest_tso6 = true
            guest_ecn = true
            guest_ufo = true
            guest_announce = true
            host_tso4 = true
            host_tso6 = true
            host_ecn = true
            host_ufo = true
            mrg_rxbuf = true
            status = true
            ctrl_vq = true
            ctrl_rx = true
            ctrl_vlan = true
            ctrl_rx_extra = true
            ctrl_mac_addr = true
            ctrl_guest_offloads = true
            mq = false
            mac = "52:54:00:17:e8:c1"
            vlan = <null>
            netdev = "hostnet0"
            x-txtimer = 150000 (0x249f0)
            x-txburst = 256 (0x100)
            tx = ""
            indirect_desc = true
            event_idx = true
            notify_on_empty = true
            any_layout = true
      dev: virtio-blk-pci, id "virtio-disk0"
        class = 0 (0x0)
        ioeventfd = true
        vectors = 2 (0x2)
        virtio-pci-bus-master-bug-migration = false
        disable-legacy = false
        disable-modern = true
        addr = 05.0
        romfile = ""
        rombar = 1 (0x1)
        multifunction = false
        command_serr_enable = true
        class SCSI controller, addr 00:05.0, pci id 1af4:1001 (sub 1af4:0002)
        bar 0: i/o at 0xc000 [0xc03f]
        bar 1: mem at 0xfebc3000 [0xfebc3fff]
        bus: virtio-bus
          type virtio-pci-bus
          dev: virtio-blk-device, id ""
            drive = "drive-virtio-disk0"
            logical_block_size = 512 (0x200)
            physical_block_size = 512 (0x200)
            min_io_size = 0 (0x0)
            opt_io_size = 0 (0x0)
            discard_granularity = 4294967295 (0xffffffff)
            cyls = 79 (0x4f)
            heads = 16 (0x10)
            secs = 63 (0x3f)
            serial = ""
            config-wce = true
            scsi = false
            request-merging = true
            x-data-plane = false
            indirect_desc = true
            event_idx = true
            notify_on_empty = true
            any_layout = false
      dev: virtio-serial-pci, id "virtio-serial0"
        ioeventfd = true
        vectors = 2 (0x2)
        class = 1920 (0x780)
        virtio-pci-bus-master-bug-migration = false
        disable-legacy = false
        disable-modern = true
        addr = 03.0
        romfile = ""
        rombar = 1 (0x1)
        multifunction = false
        command_serr_enable = true
        class Class 0780, addr 00:03.0, pci id 1af4:1003 (sub 1af4:0003)
        bar 0: i/o at 0xc060 [0xc07f]
        bar 1: mem at 0xfebc1000 [0xfebc1fff]
        bus: virtio-bus
          type virtio-pci-bus
          dev: virtio-serial-device, id ""
            max_ports = 31 (0x1f)
            indirect_desc = true
            event_idx = true
            notify_on_empty = true
            any_layout = false
            bus: virtio-serial0.0
              type virtio-serial-bus
              dev: virtserialport, id "channel0"
                chardev = "charchannel0"
                nr = 1 (0x1)
                name = "org.qemu.guest_agent.0"
                port 1, guest off, host on, throttle off
      dev: ich9-usb-uhci3, id ""
        masterbus = "usb.0"
        firstport = 4 (0x4)
        bandwidth = 1280 (0x500)
        maxframes = 128 (0x80)
        addr = 04.2
        romfile = ""
        rombar = 1 (0x1)
        multifunction = false
        command_serr_enable = true
        class USB controller, addr 00:04.2, pci id 8086:2936 (sub 1af4:1100)
        bar 4: i/o at 0xc0c0 [0xc0df]
      dev: ich9-usb-uhci2, id ""
        masterbus = "usb.0"
        firstport = 2 (0x2)
        bandwidth = 1280 (0x500)
        maxframes = 128 (0x80)
        addr = 04.1
        romfile = ""
        rombar = 1 (0x1)
        multifunction = false
        command_serr_enable = true
        class USB controller, addr 00:04.1, pci id 8086:2935 (sub 1af4:1100)
        bar 4: i/o at 0xc0a0 [0xc0bf]
      dev: ich9-usb-uhci1, id ""
        masterbus = "usb.0"
        firstport = 0 (0x0)
        bandwidth = 1280 (0x500)
        maxframes = 128 (0x80)
        addr = 04.0
        romfile = ""
        rombar = 1 (0x1)
        multifunction = true
        command_serr_enable = true
        class USB controller, addr 00:04.0, pci id 8086:2934 (sub 1af4:1100)
        bar 4: i/o at 0xc080 [0xc09f]
      dev: ich9-usb-ehci1, id "usb"
        maxframes = 128 (0x80)
        addr = 04.7
        romfile = ""
        rombar = 1 (0x1)
        multifunction = false
        command_serr_enable = true
        class USB controller, addr 00:04.7, pci id 8086:293a (sub 1af4:1100)
        bar 0: mem at 0xfebc2000 [0xfebc2fff]
        bus: usb.0
          type usb-bus
          dev: usb-tablet, id "input0"
            usb_version = 2 (0x2)
            display = ""
            head = 0 (0x0)
            port = ""
            serial = ""
            full-path = true
            msos-desc = true
            addr 0.2, port 1, speed 480, name QEMU USB Tablet, attached
      dev: PIIX4_PM, id ""
        smb_io_base = 1792 (0x700)
        disable_s3 = 1 (0x1)
        disable_s4 = 1 (0x1)
        s4_val = 2 (0x2)
        acpi-pci-hotplug-with-bridge-support = true
        memory-hotplug-support = true
        addr = 01.3
        romfile = ""
        rombar = 1 (0x1)
        multifunction = false
        command_serr_enable = true
        class Bridge, addr 00:01.3, pci id 8086:7113 (sub 1af4:1100)
        bus: i2c
          type i2c-bus
          dev: smbus-eeprom, id ""
            address = 87 (0x57)
          dev: smbus-eeprom, id ""
            address = 86 (0x56)
          dev: smbus-eeprom, id ""
            address = 85 (0x55)
          dev: smbus-eeprom, id ""
            address = 84 (0x54)
          dev: smbus-eeprom, id ""
            address = 83 (0x53)
          dev: smbus-eeprom, id ""
            address = 82 (0x52)
          dev: smbus-eeprom, id ""
            address = 81 (0x51)
          dev: smbus-eeprom, id ""
            address = 80 (0x50)
      dev: piix3-ide, id ""
        addr = 01.1
        romfile = ""
        rombar = 1 (0x1)
        multifunction = false
        command_serr_enable = true
        class IDE controller, addr 00:01.1, pci id 8086:7010 (sub 1af4:1100)
        bar 4: i/o at 0xc100 [0xc10f]
        bus: ide.1
          type IDE
        bus: ide.0
          type IDE
      dev: PIIX3, id ""
        addr = 01.0
        romfile = ""
        rombar = 1 (0x1)
        multifunction = true
        command_serr_enable = true
        class ISA bridge, addr 00:01.0, pci id 8086:7000 (sub 1af4:1100)
        bus: isa.0
          type ISA
          dev: isa-serial, id "serial0"
            index = 0 (0x0)
            iobase = 1016 (0x3f8)
            irq = 4 (0x4)
            chardev = "charserial0"
            wakeup = 0 (0x0)
            isa irq 4
          dev: isa-fdc, id ""
            iobase = 1008 (0x3f0)
            irq = 6 (0x6)
            dma = 2 (0x2)
            driveA = ""
            driveB = ""
            check_media_rate = true
            isa irq 6
          dev: port92, id ""
          dev: vmmouse, id ""
          dev: vmport, id ""
          dev: i8042, id ""
            isa irqs 1,12
          dev: isa-pcspk, id ""
            iobase = 97 (0x61)
          dev: kvm-pit, id ""
            gpio-in "" 1
            iobase = 64 (0x40)
            lost_tick_policy = "discard"
          dev: mc146818rtc, id ""
            base_year = 0 (0x0)
            lost_tick_policy = "slew"
            isa irq 8
          dev: kvm-i8259, id ""
            iobase = 160 (0xa0)
            elcr_addr = 1233 (0x4d1)
            elcr_mask = 222 (0xde)
            master = false
          dev: kvm-i8259, id ""
            iobase = 32 (0x20)
            elcr_addr = 1232 (0x4d0)
            elcr_mask = 248 (0xf8)
            master = true
      dev: i440FX, id ""
        addr = 00.0
        romfile = ""
        rombar = 1 (0x1)
        multifunction = false
        command_serr_enable = true
        class Host bridge, addr 00:00.0, pci id 8086:1237 (sub 1af4:1100)
  dev: fw_cfg_io, id ""
    iobase = 1296 (0x510)
  dev: kvmclock, id ""
  dev: kvmvapic, id ""
  dev: icc-bridge, id ""
    mmio 00000000fee00000/0000000000100000
    bus: icc
      type icc-bus
      dev: kvm-apic, id ""
        id = 0 (0x0)
        version = 20 (0x14)
        vapic = true
      dev: Haswell-noTSX-x86_64-cpu, id ""
        pmu = false
        hv-spinlocks = -1 (0xffffffffffffffff)
        hv-relaxed = false
        hv-vapic = false
        hv-time = false
        check = false
        enforce = false
        kvm = true
        level = 13 (0xd)
        xlevel = 2147483658 (0x8000000a)
        xlevel2 = 0 (0x0)