Il 19/11/2013 07:34, Jiang, Yunhong ha scritto: > Hi, all > I noticed there are several patchset has been sent out about IOMMU emulation > like > http://lists.gnu.org/archive/html/qemu-devel/2011-10/msg03764.html, > http://lists.gnu.org/archive/html/qemu-devel/2011-01/msg03196.html . > Also I noticed that PPC platform has IOMMU emulation support in QEMU > already. Are there any plan to support IOMMU emulation in QEMU for x86 now?
Not that I know of. Of course, patches are welcome. > And also, does it requires the real host platform have the IOMMU to > support the QEMU IOMMU emulation? Or it will be a purely software emulation? For emulated devices it could be purely software. Nested device assignment would require a host IOMMU, and would require the host IOMMU driver to do some kind of shadow-paging. Paolo
