blob: 8e3fcb924db6f13fcf0c5c08f6c8bb6cdc28a36b [file] [log] [blame]
#ifdef __KERNEL__
#include <linux/mm_types.h>
#include <linux/scatterlist.h>
#include <linux/dma-debug.h>
#include <linux/kmemcheck.h>
#include <linux/kref.h>
struct dma_iommu_mapping {
/* iommu specific data */
struct iommu_domain *domain;
unsigned long **bitmaps; /* array of bitmaps */
unsigned int nr_bitmaps; /* nr of elements in array */
unsigned int extensions;
size_t bitmap_size; /* size of a single bitmap */
size_t bits; /* per bitmap */
dma_addr_t base;
spinlock_t lock;
struct kref kref;
struct dma_iommu_mapping *
arm_iommu_create_mapping(struct bus_type *bus, dma_addr_t base, size_t size);
void arm_iommu_release_mapping(struct dma_iommu_mapping *mapping);
int arm_iommu_attach_device(struct device *dev,
struct dma_iommu_mapping *mapping);
void arm_iommu_detach_device(struct device *dev);
#endif /* __KERNEL__ */