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authorGlauber Costa <gcosta@redhat.com>2008-03-25 22:36:38 +0100
committerIngo Molnar <mingo@elte.hu>2008-04-19 19:19:57 +0200
commitae17a63b096b05007bacafd2f92414b881a0b4b4 (patch)
treec945afe5e66407cd3b4b8a5ea33fcae08a30c579 /include/asm-x86/dma-mapping.h
parentx86: unify dma_mapping_error (diff)
downloadlinux-ae17a63b096b05007bacafd2f92414b881a0b4b4.tar.xz
linux-ae17a63b096b05007bacafd2f92414b881a0b4b4.zip
x86: move ARCH_HAS_DMA_DECLARE_COHERENT_MEMORY to dma-mapping.h
define it conditionally to i386. Signed-off-by: Glauber Costa <gcosta@redhat.com> Signed-off-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Diffstat (limited to 'include/asm-x86/dma-mapping.h')
-rw-r--r--include/asm-x86/dma-mapping.h14
1 files changed, 14 insertions, 0 deletions
diff --git a/include/asm-x86/dma-mapping.h b/include/asm-x86/dma-mapping.h
index a7090bbb2a2d..1c88ce6b50d6 100644
--- a/include/asm-x86/dma-mapping.h
+++ b/include/asm-x86/dma-mapping.h
@@ -204,4 +204,18 @@ dma_cache_sync(struct device *dev, void *vaddr, size_t size,
{
flush_write_buffers();
}
+
+#ifdef CONFIG_X86_32
+# define ARCH_HAS_DMA_DECLARE_COHERENT_MEMORY
+extern int
+dma_declare_coherent_memory(struct device *dev, dma_addr_t bus_addr,
+ dma_addr_t device_addr, size_t size, int flags);
+
+extern void
+dma_release_declared_memory(struct device *dev);
+
+extern void *
+dma_mark_declared_memory_occupied(struct device *dev,
+ dma_addr_t device_addr, size_t size);
+#endif /* CONFIG_X86_32 */
#endif