On 05/11/2019 08:28, Ram Pai wrote:
> This patch series enables IOMMU support for pseries Secure VMs.
>
>
> Tested using QEMU command line option:
>
> "-device virtio-scsi-pci,id=scsi0,bus=pci.0,addr=0x4,
> iommu_platform=on,disable-modern=off,disable-legacy=on"
> and
>
> "-device virtio-blk-pci,scsi=off,bus=pci.0,
> addr=0x5,drive=drive-virtio-disk0,id=virtio-disk0,
> iommu_platform=on,disable-modern=off,disable-legacy=on"
Worth mentioning that SLOF won't boot with such devices as SLOF does not know
about iommu_platform=on.
>
> Ram Pai (2):
> powerpc/pseries/iommu: Share the per-cpu TCE page with the hypervisor.
> powerpc/pseries/iommu: Use dma_iommu_ops for Secure VMs aswell.
>
> arch/powerpc/platforms/pseries/iommu.c | 30 ++++++++++++++++++------------
> 1 file changed, 18 insertions(+), 12 deletions(-)
>
--
Alexey
