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authorLinus Torvalds <torvalds@linux-foundation.org>2009-09-11 13:16:37 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2009-09-11 13:16:37 -0700
commita66a50054e46ec2a03244bc14c48b9125fcd75a7 (patch)
treeab549e4762a89d76846f104162d8f65b52c41a69 /arch/sparc/kernel/iommu.c
parent7193bea53f9d9730bbc859777c2f86c76349914d (diff)
parent695a461296e5df148c99ac087b9e1cb380f4db15 (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: (59 commits) x86/gart: Do not select AGP for GART_IOMMU x86/amd-iommu: Initialize passthrough mode when requested x86/amd-iommu: Don't detach device from pt domain on driver unbind x86/amd-iommu: Make sure a device is assigned in passthrough mode x86/amd-iommu: Align locking between attach_device and detach_device x86/amd-iommu: Fix device table write order x86/amd-iommu: Add passthrough mode initialization functions x86/amd-iommu: Add core functions for pd allocation/freeing x86/dma: Mark iommu_pass_through as __read_mostly x86/amd-iommu: Change iommu_map_page to support multiple page sizes x86/amd-iommu: Support higher level PTEs in iommu_page_unmap x86/amd-iommu: Remove old page table handling macros x86/amd-iommu: Use 2-level page tables for dma_ops domains x86/amd-iommu: Remove bus_addr check in iommu_map_page x86/amd-iommu: Remove last usages of IOMMU_PTE_L0_INDEX x86/amd-iommu: Change alloc_pte to support 64 bit address space x86/amd-iommu: Introduce increase_address_space function x86/amd-iommu: Flush domains if address space size was increased x86/amd-iommu: Introduce set_dte_entry function x86/amd-iommu: Add a gneric version of amd_iommu_flush_all_devices ...
Diffstat (limited to 'arch/sparc/kernel/iommu.c')
-rw-r--r--arch/sparc/kernel/iommu.c20
1 files changed, 13 insertions, 7 deletions
diff --git a/arch/sparc/kernel/iommu.c b/arch/sparc/kernel/iommu.c
index 0aeaefe696b..7690cc219ec 100644
--- a/arch/sparc/kernel/iommu.c
+++ b/arch/sparc/kernel/iommu.c
@@ -353,7 +353,8 @@ static void dma_4u_free_coherent(struct device *dev, size_t size,
static dma_addr_t dma_4u_map_page(struct device *dev, struct page *page,
unsigned long offset, size_t sz,
- enum dma_data_direction direction)
+ enum dma_data_direction direction,
+ struct dma_attrs *attrs)
{
struct iommu *iommu;
struct strbuf *strbuf;
@@ -474,7 +475,8 @@ do_flush_sync:
}
static void dma_4u_unmap_page(struct device *dev, dma_addr_t bus_addr,
- size_t sz, enum dma_data_direction direction)
+ size_t sz, enum dma_data_direction direction,
+ struct dma_attrs *attrs)
{
struct iommu *iommu;
struct strbuf *strbuf;
@@ -520,7 +522,8 @@ static void dma_4u_unmap_page(struct device *dev, dma_addr_t bus_addr,
}
static int dma_4u_map_sg(struct device *dev, struct scatterlist *sglist,
- int nelems, enum dma_data_direction direction)
+ int nelems, enum dma_data_direction direction,
+ struct dma_attrs *attrs)
{
struct scatterlist *s, *outs, *segstart;
unsigned long flags, handle, prot, ctx;
@@ -691,7 +694,8 @@ static unsigned long fetch_sg_ctx(struct iommu *iommu, struct scatterlist *sg)
}
static void dma_4u_unmap_sg(struct device *dev, struct scatterlist *sglist,
- int nelems, enum dma_data_direction direction)
+ int nelems, enum dma_data_direction direction,
+ struct dma_attrs *attrs)
{
unsigned long flags, ctx;
struct scatterlist *sg;
@@ -822,7 +826,7 @@ static void dma_4u_sync_sg_for_cpu(struct device *dev,
spin_unlock_irqrestore(&iommu->lock, flags);
}
-static const struct dma_ops sun4u_dma_ops = {
+static struct dma_map_ops sun4u_dma_ops = {
.alloc_coherent = dma_4u_alloc_coherent,
.free_coherent = dma_4u_free_coherent,
.map_page = dma_4u_map_page,
@@ -833,9 +837,11 @@ static const struct dma_ops sun4u_dma_ops = {
.sync_sg_for_cpu = dma_4u_sync_sg_for_cpu,
};
-const struct dma_ops *dma_ops = &sun4u_dma_ops;
+struct dma_map_ops *dma_ops = &sun4u_dma_ops;
EXPORT_SYMBOL(dma_ops);
+extern int pci64_dma_supported(struct pci_dev *pdev, u64 device_mask);
+
int dma_supported(struct device *dev, u64 device_mask)
{
struct iommu *iommu = dev->archdata.iommu;
@@ -849,7 +855,7 @@ int dma_supported(struct device *dev, u64 device_mask)
#ifdef CONFIG_PCI
if (dev->bus == &pci_bus_type)
- return pci_dma_supported(to_pci_dev(dev), device_mask);
+ return pci64_dma_supported(to_pci_dev(dev), device_mask);
#endif
return 0;