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Vikram Narayanan authored
Introduce four lcd_syscalls for programming iommu for a pci device from LCD. PCI devices can now be assigned to an LCD. During probe, one can assign a device to a particular LCD. During device assignment, all pages inside the heap and rammap regions are mapped in the iommu. During data plane operation, one can map/unmap a page by means of lcd_syscall's. Signed-off-by: Vikram Narayanan <vikram186@gmail.com>
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