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Diffstat (limited to 'arch/arm/include/asm/dma-iommu.h')
-rw-r--r--arch/arm/include/asm/dma-iommu.h12
1 files changed, 7 insertions, 5 deletions
diff --git a/arch/arm/include/asm/dma-iommu.h b/arch/arm/include/asm/dma-iommu.h
index a8c56acc8c98..eec0a12c5c1d 100644
--- a/arch/arm/include/asm/dma-iommu.h
+++ b/arch/arm/include/asm/dma-iommu.h
@@ -13,9 +13,12 @@ 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 */
+ unsigned int size; /* per bitmap */
dma_addr_t base;
spinlock_t lock;
@@ -23,8 +26,7 @@ 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);