diff options
author | Joerg Roedel <joerg.roedel@amd.com> | 2010-05-11 11:40:57 -0400 |
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committer | Joerg Roedel <joerg.roedel@amd.com> | 2010-05-11 11:40:57 -0400 |
commit | 795e74f7a69f9c08afa4fa7c86cc4f18a62bd630 (patch) | |
tree | 8448ece35101d8db945c49df50d0d5889687de9f /drivers/base | |
parent | a52357259680fe5368c2fabf5949209e231f2aa2 (diff) | |
parent | 12c7389abe5786349d3ea6da1961cf78d0c1c7cd (diff) |
Merge branch 'iommu/largepages' into amd-iommu/2.6.35
Conflicts:
arch/x86/kernel/amd_iommu.c
Diffstat (limited to 'drivers/base')
-rw-r--r-- | drivers/base/iommu.c | 43 |
1 files changed, 29 insertions, 14 deletions
diff --git a/drivers/base/iommu.c b/drivers/base/iommu.c index 8ad4ffea6920..6e6b6a11b3ce 100644 --- a/drivers/base/iommu.c +++ b/drivers/base/iommu.c | |||
@@ -80,20 +80,6 @@ void iommu_detach_device(struct iommu_domain *domain, struct device *dev) | |||
80 | } | 80 | } |
81 | EXPORT_SYMBOL_GPL(iommu_detach_device); | 81 | EXPORT_SYMBOL_GPL(iommu_detach_device); |
82 | 82 | ||
83 | int iommu_map_range(struct iommu_domain *domain, unsigned long iova, | ||
84 | phys_addr_t paddr, size_t size, int prot) | ||
85 | { | ||
86 | return iommu_ops->map(domain, iova, paddr, size, prot); | ||
87 | } | ||
88 | EXPORT_SYMBOL_GPL(iommu_map_range); | ||
89 | |||
90 | void iommu_unmap_range(struct iommu_domain *domain, unsigned long iova, | ||
91 | size_t size) | ||
92 | { | ||
93 | iommu_ops->unmap(domain, iova, size); | ||
94 | } | ||
95 | EXPORT_SYMBOL_GPL(iommu_unmap_range); | ||
96 | |||
97 | phys_addr_t iommu_iova_to_phys(struct iommu_domain *domain, | 83 | phys_addr_t iommu_iova_to_phys(struct iommu_domain *domain, |
98 | unsigned long iova) | 84 | unsigned long iova) |
99 | { | 85 | { |
@@ -107,3 +93,32 @@ int iommu_domain_has_cap(struct iommu_domain *domain, | |||
107 | return iommu_ops->domain_has_cap(domain, cap); | 93 | return iommu_ops->domain_has_cap(domain, cap); |
108 | } | 94 | } |
109 | EXPORT_SYMBOL_GPL(iommu_domain_has_cap); | 95 | EXPORT_SYMBOL_GPL(iommu_domain_has_cap); |
96 | |||
97 | int iommu_map(struct iommu_domain *domain, unsigned long iova, | ||
98 | phys_addr_t paddr, int gfp_order, int prot) | ||
99 | { | ||
100 | unsigned long invalid_mask; | ||
101 | size_t size; | ||
102 | |||
103 | size = 0x1000UL << gfp_order; | ||
104 | invalid_mask = size - 1; | ||
105 | |||
106 | BUG_ON((iova | paddr) & invalid_mask); | ||
107 | |||
108 | return iommu_ops->map(domain, iova, paddr, gfp_order, prot); | ||
109 | } | ||
110 | EXPORT_SYMBOL_GPL(iommu_map); | ||
111 | |||
112 | int iommu_unmap(struct iommu_domain *domain, unsigned long iova, int gfp_order) | ||
113 | { | ||
114 | unsigned long invalid_mask; | ||
115 | size_t size; | ||
116 | |||
117 | size = 0x1000UL << gfp_order; | ||
118 | invalid_mask = size - 1; | ||
119 | |||
120 | BUG_ON(iova & invalid_mask); | ||
121 | |||
122 | return iommu_ops->unmap(domain, iova, gfp_order); | ||
123 | } | ||
124 | EXPORT_SYMBOL_GPL(iommu_unmap); | ||