| Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame^] | 1 | #ifndef _PPC64_SCATTERLIST_H |
| 2 | #define _PPC64_SCATTERLIST_H |
| 3 | |
| 4 | /* |
| 5 | * Copyright (C) 2001 PPC64 Team, IBM Corp |
| 6 | * |
| 7 | * This program is free software; you can redistribute it and/or |
| 8 | * modify it under the terms of the GNU General Public License |
| 9 | * as published by the Free Software Foundation; either version |
| 10 | * 2 of the License, or (at your option) any later version. |
| 11 | */ |
| 12 | |
| 13 | #include <linux/types.h> |
| 14 | #include <asm/dma.h> |
| 15 | |
| 16 | struct scatterlist { |
| 17 | struct page *page; |
| 18 | unsigned int offset; |
| 19 | unsigned int length; |
| 20 | |
| 21 | /* For TCE support */ |
| 22 | u32 dma_address; |
| 23 | u32 dma_length; |
| 24 | }; |
| 25 | |
| 26 | #define sg_dma_address(sg) ((sg)->dma_address) |
| 27 | #define sg_dma_len(sg) ((sg)->dma_length) |
| 28 | |
| 29 | #define ISA_DMA_THRESHOLD (~0UL) |
| 30 | |
| 31 | #endif /* !(_PPC64_SCATTERLIST_H) */ |