On Wed, Nov 06, 2019 at 12:59:50PM +1100, Alexey Kardashevskiy wrote: > > > 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.
I did see SLOF complaining, but that did not stop it from booting the guest. My boot device was a virtio device, with iommu platform flag enabled. So I am not sure, under what conditions SLOF will fail to boot. Any idea? RP
