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author | Linus Torvalds <torvalds@linux-foundation.org> | 2009-09-11 16:16:37 -0400 |
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committer | Linus Torvalds <torvalds@linux-foundation.org> | 2009-09-11 16:16:37 -0400 |
commit | a66a50054e46ec2a03244bc14c48b9125fcd75a7 (patch) | |
tree | ab549e4762a89d76846f104162d8f65b52c41a69 /arch/sparc/kernel/iommu.c | |
parent | 7193bea53f9d9730bbc859777c2f86c76349914d (diff) | |
parent | 695a461296e5df148c99ac087b9e1cb380f4db15 (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.c | 20 |
1 files changed, 13 insertions, 7 deletions
diff --git a/arch/sparc/kernel/iommu.c b/arch/sparc/kernel/iommu.c index 0aeaefe696b9..7690cc219ecc 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, | |||
353 | 353 | ||
354 | static dma_addr_t dma_4u_map_page(struct device *dev, struct page *page, | 354 | static dma_addr_t dma_4u_map_page(struct device *dev, struct page *page, |
355 | unsigned long offset, size_t sz, | 355 | unsigned long offset, size_t sz, |
356 | enum dma_data_direction direction) | 356 | enum dma_data_direction direction, |
357 | struct dma_attrs *attrs) | ||
357 | { | 358 | { |
358 | struct iommu *iommu; | 359 | struct iommu *iommu; |
359 | struct strbuf *strbuf; | 360 | struct strbuf *strbuf; |
@@ -474,7 +475,8 @@ do_flush_sync: | |||
474 | } | 475 | } |
475 | 476 | ||
476 | static void dma_4u_unmap_page(struct device *dev, dma_addr_t bus_addr, | 477 | static void dma_4u_unmap_page(struct device *dev, dma_addr_t bus_addr, |
477 | size_t sz, enum dma_data_direction direction) | 478 | size_t sz, enum dma_data_direction direction, |
479 | struct dma_attrs *attrs) | ||
478 | { | 480 | { |
479 | struct iommu *iommu; | 481 | struct iommu *iommu; |
480 | struct strbuf *strbuf; | 482 | struct strbuf *strbuf; |
@@ -520,7 +522,8 @@ static void dma_4u_unmap_page(struct device *dev, dma_addr_t bus_addr, | |||
520 | } | 522 | } |
521 | 523 | ||
522 | static int dma_4u_map_sg(struct device *dev, struct scatterlist *sglist, | 524 | static int dma_4u_map_sg(struct device *dev, struct scatterlist *sglist, |
523 | int nelems, enum dma_data_direction direction) | 525 | int nelems, enum dma_data_direction direction, |
526 | struct dma_attrs *attrs) | ||
524 | { | 527 | { |
525 | struct scatterlist *s, *outs, *segstart; | 528 | struct scatterlist *s, *outs, *segstart; |
526 | unsigned long flags, handle, prot, ctx; | 529 | unsigned long flags, handle, prot, ctx; |
@@ -691,7 +694,8 @@ static unsigned long fetch_sg_ctx(struct iommu *iommu, struct scatterlist *sg) | |||
691 | } | 694 | } |
692 | 695 | ||
693 | static void dma_4u_unmap_sg(struct device *dev, struct scatterlist *sglist, | 696 | static void dma_4u_unmap_sg(struct device *dev, struct scatterlist *sglist, |
694 | int nelems, enum dma_data_direction direction) | 697 | int nelems, enum dma_data_direction direction, |
698 | struct dma_attrs *attrs) | ||
695 | { | 699 | { |
696 | unsigned long flags, ctx; | 700 | unsigned long flags, ctx; |
697 | struct scatterlist *sg; | 701 | struct scatterlist *sg; |
@@ -822,7 +826,7 @@ static void dma_4u_sync_sg_for_cpu(struct device *dev, | |||
822 | spin_unlock_irqrestore(&iommu->lock, flags); | 826 | spin_unlock_irqrestore(&iommu->lock, flags); |
823 | } | 827 | } |
824 | 828 | ||
825 | static const struct dma_ops sun4u_dma_ops = { | 829 | static struct dma_map_ops sun4u_dma_ops = { |
826 | .alloc_coherent = dma_4u_alloc_coherent, | 830 | .alloc_coherent = dma_4u_alloc_coherent, |
827 | .free_coherent = dma_4u_free_coherent, | 831 | .free_coherent = dma_4u_free_coherent, |
828 | .map_page = dma_4u_map_page, | 832 | .map_page = dma_4u_map_page, |
@@ -833,9 +837,11 @@ static const struct dma_ops sun4u_dma_ops = { | |||
833 | .sync_sg_for_cpu = dma_4u_sync_sg_for_cpu, | 837 | .sync_sg_for_cpu = dma_4u_sync_sg_for_cpu, |
834 | }; | 838 | }; |
835 | 839 | ||
836 | const struct dma_ops *dma_ops = &sun4u_dma_ops; | 840 | struct dma_map_ops *dma_ops = &sun4u_dma_ops; |
837 | EXPORT_SYMBOL(dma_ops); | 841 | EXPORT_SYMBOL(dma_ops); |
838 | 842 | ||
843 | extern int pci64_dma_supported(struct pci_dev *pdev, u64 device_mask); | ||
844 | |||
839 | int dma_supported(struct device *dev, u64 device_mask) | 845 | int dma_supported(struct device *dev, u64 device_mask) |
840 | { | 846 | { |
841 | struct iommu *iommu = dev->archdata.iommu; | 847 | struct iommu *iommu = dev->archdata.iommu; |
@@ -849,7 +855,7 @@ int dma_supported(struct device *dev, u64 device_mask) | |||
849 | 855 | ||
850 | #ifdef CONFIG_PCI | 856 | #ifdef CONFIG_PCI |
851 | if (dev->bus == &pci_bus_type) | 857 | if (dev->bus == &pci_bus_type) |
852 | return pci_dma_supported(to_pci_dev(dev), device_mask); | 858 | return pci64_dma_supported(to_pci_dev(dev), device_mask); |
853 | #endif | 859 | #endif |
854 | 860 | ||
855 | return 0; | 861 | return 0; |