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author | Linus Torvalds <torvalds@linux-foundation.org> | 2009-12-05 12:49:07 -0500 |
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committer | Linus Torvalds <torvalds@linux-foundation.org> | 2009-12-05 12:49:07 -0500 |
commit | 7b626acb8f983eb83b396ab96cc24b18d635d487 (patch) | |
tree | 8c3320191311e6186d3aa722f1acd12acd47ece8 /include/linux/swiotlb.h | |
parent | 1ebb275afcf5a47092e995541d6c604eef96062a (diff) | |
parent | 4528752f49c1f4025473d12bc5fa9181085c3f22 (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.h | 12 |
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; | |||
7 | struct dma_attrs; | 7 | struct dma_attrs; |
8 | struct scatterlist; | 8 | struct scatterlist; |
9 | 9 | ||
10 | extern 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 | ||
23 | extern void | 25 | extern void swiotlb_init(int verbose); |
24 | swiotlb_init(void); | ||
25 | 26 | ||
26 | extern void | 27 | extern 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); | |||
88 | extern int | 89 | extern int |
89 | swiotlb_dma_supported(struct device *hwdev, u64 mask); | 90 | swiotlb_dma_supported(struct device *hwdev, u64 mask); |
90 | 91 | ||
92 | #ifdef CONFIG_SWIOTLB | ||
93 | extern void __init swiotlb_free(void); | ||
94 | #else | ||
95 | static inline void swiotlb_free(void) { } | ||
96 | #endif | ||
97 | |||
98 | extern void swiotlb_print_info(void); | ||
91 | #endif /* __LINUX_SWIOTLB_H */ | 99 | #endif /* __LINUX_SWIOTLB_H */ |