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8d873a5a47
Real Q35 hardware has an ICH9 chip that includes several integrated devices at particular addresses (see the file docs/q35-chipset.cfg in the qemu source). libvirt already attempts to put the first two sets of ich9 USB2 controllers it finds at 00:1D.* and 00:1A.* to match the real hardware. This patch does the same for the ich9 "HD audio" device. The main inspiration for this patch is that currently the *only* device in a reasonable "workstation" type virtual machine config that requires a legacy PCI slot is the audio device, Without this patch, the standard Q35 machine created by virt-manager will have a dmi-to-pci-bridge and a pci-bridge just for the sound device; with the patch (and if you change the sound device model from the default "ich6" to "ich9"), the machine definition constructed by virt-manager has absolutely no legacy PCI controllers - any legacy PCI devices (e.g. video and sound) are on pcie-root as integrated devices.
77 lines
2.3 KiB
XML
77 lines
2.3 KiB
XML
<domain type='kvm'>
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<name>virt-manager-basic</name>
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<uuid>1b826c23-8767-47ad-a6b5-c83a88277f71</uuid>
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<memory unit='KiB'>4194304</memory>
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<currentMemory unit='KiB'>4194304</currentMemory>
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<vcpu placement='static'>2</vcpu>
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<os>
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<type arch='x86_64' machine='pc-q35-2.7'>hvm</type>
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<boot dev='hd'/>
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</os>
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<features>
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<acpi/>
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<apic/>
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<vmport state='off'/>
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</features>
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<clock offset='utc'>
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<timer name='rtc' tickpolicy='catchup'/>
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<timer name='pit' tickpolicy='delay'/>
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<timer name='hpet' present='no'/>
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</clock>
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<on_poweroff>destroy</on_poweroff>
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<on_reboot>restart</on_reboot>
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<on_crash>restart</on_crash>
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<pm>
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<suspend-to-mem enabled='no'/>
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<suspend-to-disk enabled='no'/>
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</pm>
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<devices>
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<emulator>/usr/bin/qemu-system_x86_64</emulator>
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<disk type='file' device='disk'>
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<driver name='qemu' type='qcow2'/>
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<source file='/var/lib/libvirt/images/basic.qcow2'/>
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<target dev='vda' bus='virtio'/>
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</disk>
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<controller type='usb' model='nec-xhci'/>
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<controller type='sata'/>
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<controller type='virtio-serial' index='0'/>
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<interface type='user'>
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<mac address='52:54:00:9a:e6:c6'/>
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<model type='virtio'/>
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</interface>
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<serial type='pty'>
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<target port='0'/>
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</serial>
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<console type='pty'>
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<target type='serial' port='0'/>
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</console>
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<channel type='unix'>
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<target type='virtio' name='org.qemu.guest_agent.0'/>
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<address type='virtio-serial' controller='0' bus='0' port='1'/>
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</channel>
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<channel type='spicevmc'>
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<target type='virtio' name='com.redhat.spice.0'/>
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<address type='virtio-serial' controller='0' bus='0' port='2'/>
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</channel>
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<input type='tablet' bus='usb'>
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<address type='usb' bus='0' port='1'/>
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</input>
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<input type='mouse' bus='ps2'/>
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<input type='keyboard' bus='ps2'/>
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<graphics type='spice' autoport='yes'>
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<listen type='address'/>
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<image compression='off'/>
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</graphics>
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<sound model='ich9'/>
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<video>
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<model type='qxl' ram='65536' vram='65536' vgamem='16384' heads='1' primary='yes'/>
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</video>
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<redirdev bus='usb' type='spicevmc'>
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<address type='usb' bus='0' port='2'/>
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</redirdev>
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<redirdev bus='usb' type='spicevmc'>
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<address type='usb' bus='0' port='3'/>
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</redirdev>
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</devices>
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</domain>
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