Messages in this thread | | | Subject | Re: [RFC v1 0/2] Enable IOMMU support for pseries Secure VMs | From | Alexey Kardashevskiy <> | Date | Wed, 6 Nov 2019 12:59:50 +1100 |
| |
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
| |