On Monday 25 January 2010 21:11:12 Ben DJ wrote: > Hi, > > I have a box with an AMD Phenom II X4 920 CPU > > Reading http://www.linux-kvm.org/page/FAQ#What_do_I_need_to_use_KVM.3F, > I've verified with 'cat /proc/cpuinfo' that the CPU has the AMD-V > "svm" extension. > > I'm specifically interested in whether or not this CPU's capabilities > will allow PCI PassThrough of hardware from the Host to the Guest. > I've read the KVM 'ToDo' & 'FAQ', and tbh am unclear if everything I > need is actually in KVM already. It's just that I don't get all the > terminology yet. > > I've read that VideoCards are still a no-go. NP for me, atm. > > The cards I'm interested in are: > > -- a SiliconImage 3124 (sil24 module) based SATA card -- RAID > capable, but I'm only using it to attach drives, and doing the RAID > with Linux's 'md', and, > -- A number of Gigabit NICs, including an Intel e1000 card. > > I'm thoroughly confused as to whether or not I can PassThrough these > cards using this CPU, &/or if I need AMD-Vi/IOMMU in hardware. I > can't figure out if I do or don't ... AMD's "product sheets" have me > baffled -- and I haven't figured out if /proc/cpuinfo etc 'shows' me > definitively. You do need iommu support in your system. Unfortunately there are very few AMD motherboards that have an iommu. Only 1 server level board I know of has one and is close to hitting the markets. So chances are you don't have one. > > So, let's just ask this: *can* I do hardware PassThrough of these PCI > cards from KVM Host to a fully virtualized KVM guest? and, if 'yes', > is there a specific/minimum kernel version I need? > > Thanks! > > BenDJ > -- > 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 > -- 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
