Messages in this thread | | | Date | Tue, 10 Apr 2007 04:21:57 -0400 | From | Jeff Garzik <> | Subject | Re: [patch 0/8] [Intel IOMMU] Support for Intel Virtualization Technology for Directed I/O |
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Ashok Raj wrote: > 1. Support for ACPI framework to parse and work with DMA Remapping Tables. > 2. Add support for PCI infrastructure to search parent relationships. > 3. Hardware support for providing DMA remapping support for Intel Chipsets. > 4. Supporting Zero Length Reads on DMAR's not able to support ZLR. > 5. Graphics driver workarounds to provide unity map since they dont use dma api. > 6. Updates to Documentation area for startup options and some basics. > 7. Workaround to provide unity map for ISA bridge device to enable floppy disk. > 8. Ability to preserve some mappings for devices not able to address entire > range.
I really think it would be best to avoid ACPI for something as critical as DMA remapping!
Jeff
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