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_mapping_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 */