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pseries dma: DMA window params added to PHB and DT population changed
Previously the only PCI bus supported was the emulated PCI bus withfixed DMA window with start at 0 and size 1GB. As we are going to supportPCI pass through which DMA window properties are set by the host...
pseries: Implement IOMMU and DMA for PAPR PCI devices
Currently the pseries machine emulation does not support DMA for emulatedPCI devices, because the PAPR spec always requires a (guest visible,paravirtualized) IOMMU which was not implemented. Now that we have...
pseries: Convert sPAPR TCEs to use generic IOMMU infrastructure
The pseries platform already contains an IOMMU implementation, since it isessential for the platform's paravirtualized VIO devices. This IOMMUsupport is currently built into the implementation of the VIO "bus" and...