diff options
| author | Linus Torvalds <torvalds@linux-foundation.org> | 2014-04-02 14:34:25 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2014-04-02 14:34:25 -0700 |
| commit | 7474043eff6f7c20141b2f49f774d0aab6542220 (patch) | |
| tree | f143f787c7ff3ee6c8fede1bd2fd60c36b328243 /arch/arm/include/asm | |
| parent | b9f2b21a32906a47c220b5167b88869f2c90f1c4 (diff) | |
| parent | 68efd7d2fb32c2606f1da318b6a851d933813f27 (diff) | |
Merge branch 'for-3.15' of git://git.linaro.org/people/mszyprowski/linux-dma-mapping
Pull DMA-mapping updates from Marek Szyprowski:
"This contains extension for more efficient handling of io address
space for dma-mapping subsystem for ARM architecture"
* 'for-3.15' of git://git.linaro.org/people/mszyprowski/linux-dma-mapping:
arm: dma-mapping: remove order parameter from arm_iommu_create_mapping()
arm: dma-mapping: Add support to extend DMA IOMMU mappings
Diffstat (limited to 'arch/arm/include/asm')
| -rw-r--r-- | arch/arm/include/asm/dma-iommu.h | 12 |
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); |