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authorRalf Baechle <ralf@linux-mips.org>2008-09-16 13:48:51 -0400
committerRalf Baechle <ralf@linux-mips.org>2008-10-11 11:18:52 -0400
commit384740dc49ea651ba350704d13ff6be9976e37fe (patch)
treea6e80cad287ccae7a86d81bfa692fc96889c88ed /arch/mips/include/asm/scatterlist.h
parente8c7c482347574ecdd45c43e32c332d5fc2ece61 (diff)
MIPS: Move headfiles to new location below arch/mips/include
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Diffstat (limited to 'arch/mips/include/asm/scatterlist.h')
-rw-r--r--arch/mips/include/asm/scatterlist.h28
1 files changed, 28 insertions, 0 deletions
diff --git a/arch/mips/include/asm/scatterlist.h b/arch/mips/include/asm/scatterlist.h
new file mode 100644
index 00000000000..83d69fe17c9
--- /dev/null
+++ b/arch/mips/include/asm/scatterlist.h
@@ -0,0 +1,28 @@
1#ifndef __ASM_SCATTERLIST_H
2#define __ASM_SCATTERLIST_H
3
4#include <asm/types.h>
5
6struct scatterlist {
7#ifdef CONFIG_DEBUG_SG
8 unsigned long sg_magic;
9#endif
10 unsigned long page_link;
11 unsigned int offset;
12 dma_addr_t dma_address;
13 unsigned int length;
14};
15
16/*
17 * These macros should be used after a pci_map_sg call has been done
18 * to get bus addresses of each of the SG entries and their lengths.
19 * You should only work with the number of sg entries pci_map_sg
20 * returns, or alternatively stop on the first sg_dma_len(sg) which
21 * is 0.
22 */
23#define sg_dma_address(sg) ((sg)->dma_address)
24#define sg_dma_len(sg) ((sg)->length)
25
26#define ISA_DMA_THRESHOLD (0x00ffffffUL)
27
28#endif /* __ASM_SCATTERLIST_H */