[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] Re: [Xen-devel] Support for VMEbus in Xen
Hi Stefano,
Thanks for your reply. Â > the only type of device assignment that is supported out of the box (on > x86) without having to dig too deep into technicalities is PCI > passthrough. Are you saying that device assignment on x86-64 for PCI passthrough does not work out the box? Â > Xen supports remapping one ore more generic MMIO regions and one or more > interrupts into a guest, by passing irqs= and iomem= in the VM config > file, see man xl.cfg for more info. > Could you use those options to get VMEbus running into a guest? I'm not sure how to determine whether the existing VME driver in the linux kernel exposes MMIO regions but I did find this:Âhttp://epics.sourceforge.net/devlib2/ which sounded promising. ÂAm I right that going this route would allow full hardware virtualization instead of paravirtualization? ÂWith paravirtualization I'd guess VMEbus would have to be supported in QEMU correct? The only information I can find regarding QEMU and VMEbus isÂhttp://fossies.org/dox/qemu-2.1.0/cmd__universe_8c.html Â
Cheers Paul
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