[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] Re: [Xen-devel] PCI Passthrough ARM Design : Draft1
El 10/06/15 a les 21.21, Julien Grall ha escrit: >> If there is a reason for this restriction/trade off then it should be >> spelled out as part of the design document, as should other such design >> decisions (which would include explaining where this differs from how >> things work for x86 why they must differ). > > On x86, for HVM the MMIO mapping is done by QEMU. I know that Roger is > working on PCI passthrough for PVH. PVH is very similar to ARM guest and > I expect to see a similar needs for MMIO mapping. It would be good if we > can come up with a common interface. I've kind of left that apart in favour of the new boot ABI that we are currently discussing, but IIRC the plan was to use XENMEM_add_to_physmap_range by adding a new phys_map_space and the physical MMIO pages would be specified in the idxs field. Roger. _______________________________________________ Xen-devel mailing list Xen-devel@xxxxxxxxxxxxx http://lists.xen.org/xen-devel
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