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authorAnton Blanchard <anton@samba.org>2006-06-10 23:04:39 +1000
committerPaul Mackerras <paulus@samba.org>2006-06-15 19:31:26 +1000
commitdf310656c7552ae7b8252e4b3d8e300cff164b16 (patch)
tree89644b8725237c755422853d749acfb0c7a49c57 /arch/powerpc
parentca1588e71b70534e18368a46a3aad9b25dff941d (diff)
[POWERPC] cleanup dma_mapping_ops
For pseries IOMMU bypass I want to be able to fall back to the regular IOMMU ops. Do this by creating a dma_mapping_ops struct, and convert the others while at it. Signed-off-by: Anton Blanchard <anton@samba.org> Signed-off-by: Paul Mackerras <paulus@samba.org>
Diffstat (limited to 'arch/powerpc')
-rw-r--r--arch/powerpc/kernel/pci_direct_iommu.c18
-rw-r--r--arch/powerpc/kernel/pci_iommu.c18
-rw-r--r--arch/powerpc/platforms/cell/iommu.c18
3 files changed, 33 insertions, 21 deletions
diff --git a/arch/powerpc/kernel/pci_direct_iommu.c b/arch/powerpc/kernel/pci_direct_iommu.c
index e1a32f802c0..72ce082ce73 100644
--- a/arch/powerpc/kernel/pci_direct_iommu.c
+++ b/arch/powerpc/kernel/pci_direct_iommu.c
@@ -82,13 +82,17 @@ static int pci_direct_dma_supported(struct device *dev, u64 mask)
return mask < 0x100000000ull;
}
+static struct dma_mapping_ops pci_direct_ops = {
+ .alloc_coherent = pci_direct_alloc_coherent,
+ .free_coherent = pci_direct_free_coherent,
+ .map_single = pci_direct_map_single,
+ .unmap_single = pci_direct_unmap_single,
+ .map_sg = pci_direct_map_sg,
+ .unmap_sg = pci_direct_unmap_sg,
+ .dma_supported = pci_direct_dma_supported,
+};
+
void __init pci_direct_iommu_init(void)
{
- pci_dma_ops.alloc_coherent = pci_direct_alloc_coherent;
- pci_dma_ops.free_coherent = pci_direct_free_coherent;
- pci_dma_ops.map_single = pci_direct_map_single;
- pci_dma_ops.unmap_single = pci_direct_unmap_single;
- pci_dma_ops.map_sg = pci_direct_map_sg;
- pci_dma_ops.unmap_sg = pci_direct_unmap_sg;
- pci_dma_ops.dma_supported = pci_direct_dma_supported;
+ pci_dma_ops = pci_direct_ops;
}
diff --git a/arch/powerpc/kernel/pci_iommu.c b/arch/powerpc/kernel/pci_iommu.c
index 7fb4cca021b..0688b2534ac 100644
--- a/arch/powerpc/kernel/pci_iommu.c
+++ b/arch/powerpc/kernel/pci_iommu.c
@@ -148,13 +148,17 @@ static int pci_iommu_dma_supported(struct device *dev, u64 mask)
return 1;
}
+struct dma_mapping_ops pci_iommu_ops = {
+ .alloc_coherent = pci_iommu_alloc_coherent,
+ .free_coherent = pci_iommu_free_coherent,
+ .map_single = pci_iommu_map_single,
+ .unmap_single = pci_iommu_unmap_single,
+ .map_sg = pci_iommu_map_sg,
+ .unmap_sg = pci_iommu_unmap_sg,
+ .dma_supported = pci_iommu_dma_supported,
+};
+
void pci_iommu_init(void)
{
- pci_dma_ops.alloc_coherent = pci_iommu_alloc_coherent;
- pci_dma_ops.free_coherent = pci_iommu_free_coherent;
- pci_dma_ops.map_single = pci_iommu_map_single;
- pci_dma_ops.unmap_single = pci_iommu_unmap_single;
- pci_dma_ops.map_sg = pci_iommu_map_sg;
- pci_dma_ops.unmap_sg = pci_iommu_unmap_sg;
- pci_dma_ops.dma_supported = pci_iommu_dma_supported;
+ pci_dma_ops = pci_iommu_ops;
}
diff --git a/arch/powerpc/platforms/cell/iommu.c b/arch/powerpc/platforms/cell/iommu.c
index a49ceb799a8..a35004e14c6 100644
--- a/arch/powerpc/platforms/cell/iommu.c
+++ b/arch/powerpc/platforms/cell/iommu.c
@@ -473,6 +473,16 @@ static int cell_dma_supported(struct device *dev, u64 mask)
return mask < 0x100000000ull;
}
+static struct dma_mapping_ops cell_iommu_ops = {
+ .alloc_coherent = cell_alloc_coherent,
+ .free_coherent = cell_free_coherent,
+ .map_single = cell_map_single,
+ .unmap_single = cell_unmap_single,
+ .map_sg = cell_map_sg,
+ .unmap_sg = cell_unmap_sg,
+ .dma_supported = cell_dma_supported,
+};
+
void cell_init_iommu(void)
{
int setup_bus = 0;
@@ -498,11 +508,5 @@ void cell_init_iommu(void)
}
}
- pci_dma_ops.alloc_coherent = cell_alloc_coherent;
- pci_dma_ops.free_coherent = cell_free_coherent;
- pci_dma_ops.map_single = cell_map_single;
- pci_dma_ops.unmap_single = cell_unmap_single;
- pci_dma_ops.map_sg = cell_map_sg;
- pci_dma_ops.unmap_sg = cell_unmap_sg;
- pci_dma_ops.dma_supported = cell_dma_supported;
+ pci_dma_ops = cell_iommu_ops;
}