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Merge branch 'core-iommu-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip

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* 'core-iommu-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip:
  x86/amd-iommu: Add amd_iommu=off command line option
  iommu-api: Remove iommu_{un}map_range functions
  x86/amd-iommu: Implement ->{un}map callbacks for iommu-api
  x86/amd-iommu: Make amd_iommu_iova_to_phys aware of multiple page sizes
  x86/amd-iommu: Make iommu_unmap_page and fetch_pte aware of page sizes
  x86/amd-iommu: Make iommu_map_page and alloc_pte aware of page sizes
  kvm: Change kvm_iommu_map_pages to map large pages
  VT-d: Change {un}map_range functions to implement {un}map interface
  iommu-api: Add ->{un}map callbacks to iommu_ops
  iommu-api: Add iommu_map and iommu_unmap functions
  iommu-api: Rename ->{un}map function pointers to ->{un}map_range
This commit is contained in:
Linus Torvalds
2010-05-18 07:22:37 -07:00
parent 06ee772043 795e74f7a6
commit 8123d8f17d
8 changed files with 314 additions and 131 deletions
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43
drivers/base/iommu.c
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@@ -80,20 +80,6 @@ void iommu_detach_device(struct iommu_domain *domain, struct device *dev)
}
EXPORT_SYMBOL_GPL(iommu_detach_device);
int iommu_map_range(struct iommu_domain *domain, unsigned long iova,
phys_addr_t paddr, size_t size, int prot)
{
return iommu_ops->map(domain, iova, paddr, size, prot);
}
EXPORT_SYMBOL_GPL(iommu_map_range);
void iommu_unmap_range(struct iommu_domain *domain, unsigned long iova,
size_t size)
{
iommu_ops->unmap(domain, iova, size);
}
EXPORT_SYMBOL_GPL(iommu_unmap_range);
phys_addr_t iommu_iova_to_phys(struct iommu_domain *domain,
unsigned long iova)
{
@@ -107,3 +93,32 @@ int iommu_domain_has_cap(struct iommu_domain *domain,
return iommu_ops->domain_has_cap(domain, cap);
}
EXPORT_SYMBOL_GPL(iommu_domain_has_cap);
int iommu_map(struct iommu_domain *domain, unsigned long iova,
phys_addr_t paddr, int gfp_order, int prot)
{
unsigned long invalid_mask;
size_t size;
size = 0x1000UL << gfp_order;
invalid_mask = size - 1;
BUG_ON((iova | paddr) & invalid_mask);
return iommu_ops->map(domain, iova, paddr, gfp_order, prot);
}
EXPORT_SYMBOL_GPL(iommu_map);
int iommu_unmap(struct iommu_domain *domain, unsigned long iova, int gfp_order)
{
unsigned long invalid_mask;
size_t size;
size = 0x1000UL << gfp_order;
invalid_mask = size - 1;
BUG_ON(iova & invalid_mask);
return iommu_ops->unmap(domain, iova, gfp_order);
}
EXPORT_SYMBOL_GPL(iommu_unmap);