Amit Shah wrote: > Hello Wayne, > > On (Tue) Jan 27 2009 [21:15:22], Wayne Feick wrote: >> I recently saw the following: >> >> https://fedoraproject.org/wiki/Features/KVM_PCI_Device_Assignment >> >> This looks like it might allow guests to access a firewire device. Can >> anyone confirm or deny whether that will be the case? > > Is the firewire port on a PCI card? If yes, it *might* work. We've only > tested network device assignment so far; if you have a system with VT-d, > you can give it a try yourself. JFYI... I tried several simple devices here, all worked. But all were without using DMA. Namely, an old wireless card (11Mbps), internal PCI dialup modem (not softmodem, courier sportster 56k), a 6-serial-ports PCI card, and an old USB-1.1 PCI card. Like this: 03:06.0 Serial controller: 3Com Corp, Modem Division 56K FaxModem Model 5610 (rev 01) (prog-if 02) Subsystem: 3Com Corp, Modem Division Device 00a2 Flags: medium devsel, IRQ 20 I/O ports at ec00 [size=8] Kernel driver in use: serial Kernel modules: 8250_pci With stock kernel-2.6.28 and kvm-83. Sure thing it is less and less interesting since only very few devices does not use DMA nowadays. But I don't have any hardware with IOMMU or VT-D. /mjt -- To unsubscribe from this list: send the line "unsubscribe kvm" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
