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authorJoerg Roedel <joerg.roedel@amd.com>2009-01-09 15:13:15 +0100
committerJoerg Roedel <joerg.roedel@amd.com>2009-03-17 12:56:46 +0100
commit2118d0c548e8a2205e1a29eb5b89e5f2e9ae2c8b (patch)
treed21b131fd8f32d3515ab3c0c98c52ede95825473 /arch/x86/include/asm/dma-mapping.h
parentac26c18bd35d982d1ba06020a992b1085fefc3e2 (diff)
dma-debug: x86 architecture bindings
Impact: make use of DMA-API debugging code in x86 Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>
Diffstat (limited to 'arch/x86/include/asm/dma-mapping.h')
-rw-r--r--arch/x86/include/asm/dma-mapping.h45
1 files changed, 39 insertions, 6 deletions
diff --git a/arch/x86/include/asm/dma-mapping.h b/arch/x86/include/asm/dma-mapping.h
index 9c78bd40ebec..cea7b74963e9 100644
--- a/arch/x86/include/asm/dma-mapping.h
+++ b/arch/x86/include/asm/dma-mapping.h
@@ -7,6 +7,7 @@
*/
#include <linux/scatterlist.h>
+#include <linux/dma-debug.h>
#include <linux/dma-attrs.h>
#include <asm/io.h>
#include <asm/swiotlb.h>
@@ -56,11 +57,16 @@ dma_map_single(struct device *hwdev, void *ptr, size_t size,
enum dma_data_direction dir)
{
struct dma_map_ops *ops = get_dma_ops(hwdev);
+ dma_addr_t addr;
BUG_ON(!valid_dma_direction(dir));
- return ops->map_page(hwdev, virt_to_page(ptr),
+ addr = ops->map_page(hwdev, virt_to_page(ptr),
(unsigned long)ptr & ~PAGE_MASK, size,
dir, NULL);
+ debug_dma_map_page(hwdev, virt_to_page(ptr),
+ (unsigned long)ptr & ~PAGE_MASK, size,
+ dir, addr, true);
+ return addr;
}
static inline void
@@ -72,6 +78,7 @@ dma_unmap_single(struct device *dev, dma_addr_t addr, size_t size,
BUG_ON(!valid_dma_direction(dir));
if (ops->unmap_page)
ops->unmap_page(dev, addr, size, dir, NULL);
+ debug_dma_unmap_page(dev, addr, size, dir, true);
}
static inline int
@@ -79,9 +86,13 @@ dma_map_sg(struct device *hwdev, struct scatterlist *sg,
int nents, enum dma_data_direction dir)
{
struct dma_map_ops *ops = get_dma_ops(hwdev);
+ int ents;
BUG_ON(!valid_dma_direction(dir));
- return ops->map_sg(hwdev, sg, nents, dir, NULL);
+ ents = ops->map_sg(hwdev, sg, nents, dir, NULL);
+ debug_dma_map_sg(hwdev, sg, nents, ents, dir);
+
+ return ents;
}
static inline void
@@ -91,6 +102,7 @@ dma_unmap_sg(struct device *hwdev, struct scatterlist *sg, int nents,
struct dma_map_ops *ops = get_dma_ops(hwdev);
BUG_ON(!valid_dma_direction(dir));
+ debug_dma_unmap_sg(hwdev, sg, nents, dir);
if (ops->unmap_sg)
ops->unmap_sg(hwdev, sg, nents, dir, NULL);
}
@@ -104,6 +116,7 @@ dma_sync_single_for_cpu(struct device *hwdev, dma_addr_t dma_handle,
BUG_ON(!valid_dma_direction(dir));
if (ops->sync_single_for_cpu)
ops->sync_single_for_cpu(hwdev, dma_handle, size, dir);
+ debug_dma_sync_single_for_cpu(hwdev, dma_handle, size, dir);
flush_write_buffers();
}
@@ -116,6 +129,7 @@ dma_sync_single_for_device(struct device *hwdev, dma_addr_t dma_handle,
BUG_ON(!valid_dma_direction(dir));
if (ops->sync_single_for_device)
ops->sync_single_for_device(hwdev, dma_handle, size, dir);
+ debug_dma_sync_single_for_device(hwdev, dma_handle, size, dir);
flush_write_buffers();
}
@@ -130,6 +144,8 @@ dma_sync_single_range_for_cpu(struct device *hwdev, dma_addr_t dma_handle,
if (ops->sync_single_range_for_cpu)
ops->sync_single_range_for_cpu(hwdev, dma_handle, offset,
size, dir);
+ debug_dma_sync_single_range_for_cpu(hwdev, dma_handle,
+ offset, size, dir);
flush_write_buffers();
}
@@ -144,6 +160,8 @@ dma_sync_single_range_for_device(struct device *hwdev, dma_addr_t dma_handle,
if (ops->sync_single_range_for_device)
ops->sync_single_range_for_device(hwdev, dma_handle,
offset, size, dir);
+ debug_dma_sync_single_range_for_device(hwdev, dma_handle,
+ offset, size, dir);
flush_write_buffers();
}
@@ -156,6 +174,7 @@ dma_sync_sg_for_cpu(struct device *hwdev, struct scatterlist *sg,
BUG_ON(!valid_dma_direction(dir));
if (ops->sync_sg_for_cpu)
ops->sync_sg_for_cpu(hwdev, sg, nelems, dir);
+ debug_dma_sync_sg_for_cpu(hwdev, sg, nelems, dir);
flush_write_buffers();
}
@@ -168,6 +187,7 @@ dma_sync_sg_for_device(struct device *hwdev, struct scatterlist *sg,
BUG_ON(!valid_dma_direction(dir));
if (ops->sync_sg_for_device)
ops->sync_sg_for_device(hwdev, sg, nelems, dir);
+ debug_dma_sync_sg_for_device(hwdev, sg, nelems, dir);
flush_write_buffers();
}
@@ -177,15 +197,24 @@ static inline dma_addr_t dma_map_page(struct device *dev, struct page *page,
enum dma_data_direction dir)
{
struct dma_map_ops *ops = get_dma_ops(dev);
+ dma_addr_t addr;
BUG_ON(!valid_dma_direction(dir));
- return ops->map_page(dev, page, offset, size, dir, NULL);
+ addr = ops->map_page(dev, page, offset, size, dir, NULL);
+ debug_dma_map_page(dev, page, offset, size, dir, addr, false);
+
+ return addr;
}
static inline void dma_unmap_page(struct device *dev, dma_addr_t addr,
size_t size, enum dma_data_direction dir)
{
- dma_unmap_single(dev, addr, size, dir);
+ struct dma_map_ops *ops = get_dma_ops(dev);
+
+ BUG_ON(!valid_dma_direction(dir));
+ if (ops->unmap_page)
+ ops->unmap_page(dev, addr, size, dir, NULL);
+ debug_dma_unmap_page(dev, addr, size, dir, false);
}
static inline void
@@ -250,8 +279,11 @@ dma_alloc_coherent(struct device *dev, size_t size, dma_addr_t *dma_handle,
if (!ops->alloc_coherent)
return NULL;
- return ops->alloc_coherent(dev, size, dma_handle,
- dma_alloc_coherent_gfp_flags(dev, gfp));
+ memory = ops->alloc_coherent(dev, size, dma_handle,
+ dma_alloc_coherent_gfp_flags(dev, gfp));
+ debug_dma_alloc_coherent(dev, size, *dma_handle, memory);
+
+ return memory;
}
static inline void dma_free_coherent(struct device *dev, size_t size,
@@ -264,6 +296,7 @@ static inline void dma_free_coherent(struct device *dev, size_t size,
if (dma_release_from_coherent(dev, get_order(size), vaddr))
return;
+ debug_dma_free_coherent(dev, size, vaddr, bus);
if (ops->free_coherent)
ops->free_coherent(dev, size, vaddr, bus);
}