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authorLinus Torvalds <torvalds@linux-foundation.org>2009-12-05 12:49:07 -0500
committerLinus Torvalds <torvalds@linux-foundation.org>2009-12-05 12:49:07 -0500
commit7b626acb8f983eb83b396ab96cc24b18d635d487 (patch)
tree8c3320191311e6186d3aa722f1acd12acd47ece8 /include/linux/swiotlb.h
parent1ebb275afcf5a47092e995541d6c604eef96062a (diff)
parent4528752f49c1f4025473d12bc5fa9181085c3f22 (diff)
Merge branch 'core-iommu-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip
* 'core-iommu-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip: (63 commits) x86, Calgary IOMMU quirk: Find nearest matching Calgary while walking up the PCI tree x86/amd-iommu: Remove amd_iommu_pd_table x86/amd-iommu: Move reset_iommu_command_buffer out of locked code x86/amd-iommu: Cleanup DTE flushing code x86/amd-iommu: Introduce iommu_flush_device() function x86/amd-iommu: Cleanup attach/detach_device code x86/amd-iommu: Keep devices per domain in a list x86/amd-iommu: Add device bind reference counting x86/amd-iommu: Use dev->arch->iommu to store iommu related information x86/amd-iommu: Remove support for domain sharing x86/amd-iommu: Rearrange dma_ops related functions x86/amd-iommu: Move some pte allocation functions in the right section x86/amd-iommu: Remove iommu parameter from dma_ops_domain_alloc x86/amd-iommu: Use get_device_id and check_device where appropriate x86/amd-iommu: Move find_protection_domain to helper functions x86/amd-iommu: Simplify get_device_resources() x86/amd-iommu: Let domain_for_device handle aliases x86/amd-iommu: Remove iommu specific handling from dma_ops path x86/amd-iommu: Remove iommu parameter from __(un)map_single x86/amd-iommu: Make alloc_new_range aware of multiple IOMMUs ...
Diffstat (limited to 'include/linux/swiotlb.h')
-rw-r--r--include/linux/swiotlb.h12
1 files changed, 10 insertions, 2 deletions
diff --git a/include/linux/swiotlb.h b/include/linux/swiotlb.h
index 73b1f1cec423..febedcf67c7e 100644
--- a/include/linux/swiotlb.h
+++ b/include/linux/swiotlb.h
@@ -7,6 +7,8 @@ struct device;
7struct dma_attrs; 7struct dma_attrs;
8struct scatterlist; 8struct scatterlist;
9 9
10extern int swiotlb_force;
11
10/* 12/*
11 * Maximum allowable number of contiguous slabs to map, 13 * Maximum allowable number of contiguous slabs to map,
12 * must be a power of 2. What is the appropriate value ? 14 * must be a power of 2. What is the appropriate value ?
@@ -20,8 +22,7 @@ struct scatterlist;
20 */ 22 */
21#define IO_TLB_SHIFT 11 23#define IO_TLB_SHIFT 11
22 24
23extern void 25extern void swiotlb_init(int verbose);
24swiotlb_init(void);
25 26
26extern void 27extern void
27*swiotlb_alloc_coherent(struct device *hwdev, size_t size, 28*swiotlb_alloc_coherent(struct device *hwdev, size_t size,
@@ -88,4 +89,11 @@ swiotlb_dma_mapping_error(struct device *hwdev, dma_addr_t dma_addr);
88extern int 89extern int
89swiotlb_dma_supported(struct device *hwdev, u64 mask); 90swiotlb_dma_supported(struct device *hwdev, u64 mask);
90 91
92#ifdef CONFIG_SWIOTLB
93extern void __init swiotlb_free(void);
94#else
95static inline void swiotlb_free(void) { }
96#endif
97
98extern void swiotlb_print_info(void);
91#endif /* __LINUX_SWIOTLB_H */ 99#endif /* __LINUX_SWIOTLB_H */