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dma-mapping: x86: use asm-generic/dma-mapping-common.h

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Signed-off-by: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp>
Acked-by: Joerg Roedel <joerg.roedel@amd.com>
Acked-by: Ingo Molnar <mingo@elte.hu>
Cc: "Luck, Tony" <tony.luck@intel.com>
Cc: Arnd Bergmann <arnd@arndb.de>
Cc: James Bottomley <James.Bottomley@HansenPartnership.com>
Cc: "David S. Miller" <davem@davemloft.net>
Cc: Catalin Marinas <catalin.marinas@arm.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
FUJITA Tomonori 2009-06-17 16:28:12 -07:00 committed by Linus Torvalds
parent c147d8ea3e
commit 7c095e4603
2 changed files with 3 additions and 171 deletions
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1
arch/x86/Kconfig
View File

@ -28,6 +28,7 @@ config X86
select HAVE_KPROBES
select ARCH_WANT_OPTIONAL_GPIOLIB
select ARCH_WANT_FRAME_POINTERS
select HAVE_DMA_ATTRS
select HAVE_KRETPROBES
select HAVE_FTRACE_MCOUNT_RECORD
select HAVE_DYNAMIC_FTRACE

173
arch/x86/include/asm/dma-mapping.h
View File

@ -33,6 +33,8 @@ static inline struct dma_map_ops *get_dma_ops(struct device *dev)
#endif
}
#include <asm-generic/dma-mapping-common.h>
/* Make sure we keep the same behaviour */
static inline int dma_mapping_error(struct device *dev, dma_addr_t dma_addr)
{
@ -53,177 +55,6 @@ extern int dma_set_mask(struct device *dev, u64 mask);
extern void *dma_generic_alloc_coherent(struct device *dev, size_t size,
dma_addr_t *dma_addr, gfp_t flag);
static inline dma_addr_t
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));
kmemcheck_mark_initialized(ptr, size);
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
dma_unmap_single(struct device *dev, dma_addr_t addr, size_t size,
enum dma_data_direction 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, true);
}
static inline int
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;
struct scatterlist *s;
int i;
BUG_ON(!valid_dma_direction(dir));
for_each_sg(sg, s, nents, i)
kmemcheck_mark_initialized(sg_virt(s), s->length);
ents = ops->map_sg(hwdev, sg, nents, dir, NULL);
debug_dma_map_sg(hwdev, sg, nents, ents, dir);
return ents;
}
static inline void
dma_unmap_sg(struct device *hwdev, struct scatterlist *sg, int nents,
enum dma_data_direction dir)
{
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);
}
static inline void
dma_sync_single_for_cpu(struct device *hwdev, dma_addr_t dma_handle,
size_t size, enum dma_data_direction dir)
{
struct dma_map_ops *ops = get_dma_ops(hwdev);
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();
}
static inline void
dma_sync_single_for_device(struct device *hwdev, dma_addr_t dma_handle,
size_t size, enum dma_data_direction dir)
{
struct dma_map_ops *ops = get_dma_ops(hwdev);
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();
}
static inline void
dma_sync_single_range_for_cpu(struct device *hwdev, dma_addr_t dma_handle,
unsigned long offset, size_t size,
enum dma_data_direction dir)
{
struct dma_map_ops *ops = get_dma_ops(hwdev);
BUG_ON(!valid_dma_direction(dir));
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();
}
static inline void
dma_sync_single_range_for_device(struct device *hwdev, dma_addr_t dma_handle,
unsigned long offset, size_t size,
enum dma_data_direction dir)
{
struct dma_map_ops *ops = get_dma_ops(hwdev);
BUG_ON(!valid_dma_direction(dir));
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();
}
static inline void
dma_sync_sg_for_cpu(struct device *hwdev, struct scatterlist *sg,
int nelems, enum dma_data_direction dir)
{
struct dma_map_ops *ops = get_dma_ops(hwdev);
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();
}
static inline void
dma_sync_sg_for_device(struct device *hwdev, struct scatterlist *sg,
int nelems, enum dma_data_direction dir)
{
struct dma_map_ops *ops = get_dma_ops(hwdev);
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();
}
static inline dma_addr_t dma_map_page(struct device *dev, struct page *page,
size_t offset, size_t size,
enum dma_data_direction dir)
{
struct dma_map_ops *ops = get_dma_ops(dev);
dma_addr_t addr;
BUG_ON(!valid_dma_direction(dir));
kmemcheck_mark_initialized(page_address(page) + offset, size);
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)
{
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
dma_cache_sync(struct device *dev, void *vaddr, size_t size,
enum dma_data_direction dir)