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authorStephen Rothwell <sfr@canb.auug.org.au>2009-01-23 16:19:40 +1100
committerStephen Rothwell <sfr@canb.auug.org.au>2009-01-23 16:19:40 +1100
commita280c5ef129302d35b39a5bf0aff454ba1e9eb19 (patch)
tree440cf9b3bcf88976a825b5c095cab2bccbdf0461 /drivers
parent82e5aa88601664c26ce7052378da194ccbdcb62e (diff)
parent558303d5d6e3cf1729949c50c2dc6c59ee76cc93 (diff)
Merge commit 'iommu/auto-iommu-next'
Conflicts: arch/x86/include/asm/dma-mapping.h
Diffstat (limited to 'drivers')
-rw-r--r--drivers/pci/intel-iommu.c31
1 files changed, 24 insertions, 7 deletions
diff --git a/drivers/pci/intel-iommu.c b/drivers/pci/intel-iommu.c
index 3dfecb20d5e7..c933980bf562 100644
--- a/drivers/pci/intel-iommu.c
+++ b/drivers/pci/intel-iommu.c
@@ -2274,6 +2274,15 @@ error:
return 0;
}
+static dma_addr_t intel_map_page(struct device *dev, struct page *page,
+ unsigned long offset, size_t size,
+ enum dma_data_direction dir,
+ struct dma_attrs *attrs)
+{
+ return __intel_map_single(dev, page_to_phys(page) + offset, size,
+ dir, to_pci_dev(dev)->dma_mask);
+}
+
dma_addr_t intel_map_single(struct device *hwdev, phys_addr_t paddr,
size_t size, int dir)
{
@@ -2342,8 +2351,9 @@ static void add_unmap(struct dmar_domain *dom, struct iova *iova)
spin_unlock_irqrestore(&async_umap_flush_lock, flags);
}
-void intel_unmap_single(struct device *dev, dma_addr_t dev_addr, size_t size,
- int dir)
+static void intel_unmap_page(struct device *dev, dma_addr_t dev_addr,
+ size_t size, enum dma_data_direction dir,
+ struct dma_attrs *attrs)
{
struct pci_dev *pdev = to_pci_dev(dev);
struct dmar_domain *domain;
@@ -2387,6 +2397,12 @@ void intel_unmap_single(struct device *dev, dma_addr_t dev_addr, size_t size,
}
}
+void intel_unmap_single(struct device *dev, dma_addr_t dev_addr, size_t size,
+ int dir)
+{
+ intel_unmap_page(dev, dev_addr, size, dir, NULL);
+}
+
void *intel_alloc_coherent(struct device *hwdev, size_t size,
dma_addr_t *dma_handle, gfp_t flags)
{
@@ -2426,7 +2442,8 @@ void intel_free_coherent(struct device *hwdev, size_t size, void *vaddr,
#define SG_ENT_VIRT_ADDRESS(sg) (sg_virt((sg)))
void intel_unmap_sg(struct device *hwdev, struct scatterlist *sglist,
- int nelems, int dir)
+ int nelems, enum dma_data_direction dir,
+ struct dma_attrs *attrs)
{
int i;
struct pci_dev *pdev = to_pci_dev(hwdev);
@@ -2484,7 +2501,7 @@ static int intel_nontranslate_map_sg(struct device *hddev,
}
int intel_map_sg(struct device *hwdev, struct scatterlist *sglist, int nelems,
- int dir)
+ enum dma_data_direction dir, struct dma_attrs *attrs)
{
void *addr;
int i;
@@ -2564,13 +2581,13 @@ int intel_map_sg(struct device *hwdev, struct scatterlist *sglist, int nelems,
return nelems;
}
-static struct dma_mapping_ops intel_dma_ops = {
+struct dma_map_ops intel_dma_ops = {
.alloc_coherent = intel_alloc_coherent,
.free_coherent = intel_free_coherent,
- .map_single = intel_map_single,
- .unmap_single = intel_unmap_single,
.map_sg = intel_map_sg,
.unmap_sg = intel_unmap_sg,
+ .map_page = intel_map_page,
+ .unmap_page = intel_unmap_page,
};
static inline int iommu_domain_cache_init(void)