Il 12/02/2013 14:05, Fabio Fantoni ha scritto:
I'm making patches to enable some qemu upstream features in xen that are missing in libxl. I'm trying to do it just by giving arguments to qemu, and I want them to be dynamic (e.g. without physical addresses if possible) and concise.I'm confused about usb configuration.Looking at what virt-manager does, it seems that you set the usbredirection in channels like this: -chardev spicevmc,id=charredir0,name=usbredir -device usb-redir,chardev=charredir0,id=redir0At the moment I'm defining the physical usb devices like this: -readconfig /etc/qemu/ich9-ehci-uhci.cfgIf I try to set up virt-manager so that it doesn't point to a file, it uses this configuration:-device ich9-usb-ehci1,id=usb,bus=pci.0,addr=0x5.0x7-device ich9-usb-uhci1,masterbus=usb.0,firstport=0,bus=pci.0,multifunction=on,addr=0x5-device ich9-usb-uhci2,masterbus=usb.0,firstport=2,bus=pci.0,addr=0x5.0x1 -device ich9-usb-uhci3,masterbus=usb.0,firstport=4,bus=pci.0,addr=0x5.0x2This seems to differ from the configuration file, e.g. you have multifunzion=on only on the first uhci, besides I can't understand how many physical ports are defined. I tried setting 9 usbredirection channels in virt-manager but that configuration doesn't change and no errors are reported, but I doubt that physical ports are being define dynamically.Can you omit physical addresses?I searched the web but I can't find detailed informations about it. Can someone explain in detail how you are supposed to configure usb physical ports? I want to enable both usb redirection and usb passthrough in a dynamic and concise manner.About spice vdagent at the moment I'm using this configuration that seems to work: -device virtio-serial -chardev spicevmc,id=vdagent,name=vdagent -device virtserialport,chardev=vdagent,name=com.redhat.spice.0But I noticed that virt-manager use this slightly different one:-chardev pty,id=charserial0 -device isa-serial,chardev=charserial0,id=serial0 -chardev spicevmc,id=charchannel0,name=vdagent -device virtserialport,bus=virtio-serial0.0,nr=1,chardev=charchannel0,id=channel0,name=com.redhat.spice.0Are there any problem with the more concise one I'm using? Thanks for any reply.
Are there someone can help me please?
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