1 #ifndef _ASM_X86_DEVICE_H 2 #define _ASM_X86_DEVICE_H 3 4 struct dev_archdata { 5 #ifdef CONFIG_ACPI 6 void *acpi_handle; 7 #endif 8 #ifdef CONFIG_X86_64 9 struct dma_map_ops *dma_ops; 10 #endif 11 #ifdef CONFIG_DMAR 12 void *iommu; /* hook for IOMMU specific extension */ 13 #endif 14 }; 15 16 #endif /* _ASM_X86_DEVICE_H */ 17