Hi,
I assigned a PCIe device to my QEMU VM and learnt that in this case, IOMMU
maintains GPA->HPA translation. What I
want to achieve is to pass commands with host physical addresses to the
device from inside the VM and see if the DMA
will successfully do that for me.
(1). How does VFIO setup the
est,
Huaicheng
On Tue, Jun 5, 2018 at 5:25 PM Alex Williamson
wrote:
> On Tue, 5 Jun 2018 15:16:55 -0700
> Huaicheng Li wrote:
>
> > Hi,
> >
> > I assigned a PCIe device to my QEMU VM and learnt that in this case,
> IOMMU
> > maintains GPA->HPA translation. Wh
Again, thank you!
Best,
Huaicheng
On Tue, Jun 5, 2018 at 9:59 PM Alex Williamson
wrote:
> On Tue, 5 Jun 2018 18:52:43 -0700
> Huaicheng Li wrote:
>
> > Hi Alex,
> >
> > VFIO does not setup
> > > mappings per DMA buffer, it maps all of guest physical memory
