diff options
Diffstat (limited to 'arch/arm/include/asm/dma-iommu.h')
| -rw-r--r-- | arch/arm/include/asm/dma-iommu.h | 13 |
1 files changed, 8 insertions, 5 deletions
diff --git a/arch/arm/include/asm/dma-iommu.h b/arch/arm/include/asm/dma-iommu.h index 799b09409fa..8e3fcb924db 100644 --- a/arch/arm/include/asm/dma-iommu.h +++ b/arch/arm/include/asm/dma-iommu.h @@ -7,14 +7,17 @@ #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; - void *bitmap; - size_t bits; - unsigned int order; + 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; @@ -22,13 +25,13 @@ struct dma_iommu_mapping { }; struct dma_iommu_mapping * -arm_iommu_create_mapping(struct bus_type *bus, dma_addr_t base, size_t size, - int order); +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__ */ #endif |