PCI passthrough in vancouver
alexander.boettcher at ...1...
Wed Oct 23 17:12:28 CEST 2013
On 23.10.2013 16:46, Salscheider, Niels Ole wrote:
> This is what I tried at first, but just passing the physical address to
> the system call does not work because the assign_gsi syscall expects the
> address to be mapped.
Yes, you have to map it first inside Code. Look for
map_local_phys_to_virt and map_local in base-nova (platform.cc) as
examples. With these functions you can obtain a mapping from the kernel
to Core and this you may use for assign_gsi call.
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