projects / linux-block.git / blame
| Commit | Line | Data |
|---|---|---|
| c6dbaef2 BH |
1 | /* |
| 2 | * Arch specific extensions to struct device | |
| 3 | * | |
| 4 | * This file is released under the GPLv2 | |
| 5 | */ | |
| 12d04eef BH |
6 | #ifndef _ASM_POWERPC_DEVICE_H |
| 7 | #define _ASM_POWERPC_DEVICE_H | |
| c6dbaef2 | 8 | |
| 45223c54 | 9 | struct dma_map_ops; |
| 12d04eef BH |
10 | struct device_node; |
| 11 | ||
| 12 | struct dev_archdata { | |
| 13 | /* Optional pointer to an OF device node */ | |
| 14 | struct device_node *of_node; | |
| 15 | ||
| 16 | /* DMA operations on that device */ | |
| 45223c54 | 17 | struct dma_map_ops *dma_ops; |
| 738ef42e BB |
18 | |
| 19 | /* | |
| 20 | * When an iommu is in use, dma_data is used as a ptr to the base of the | |
| 21 | * iommu_table. Otherwise, it is a simple numerical offset. | |
| 22 | */ | |
| 23 | union { | |
| 24 | dma_addr_t dma_offset; | |
| 25 | void *iommu_table_base; | |
| 26 | } dma_data; | |
| 27 | ||
| 762afb73 FT |
28 | #ifdef CONFIG_SWIOTLB |
| 29 | dma_addr_t max_direct_dma_addr; | |
| 30 | #endif | |
| 12d04eef BH |
31 | }; |
| 32 | ||
| 3f3b1632 AV |
33 | static inline void dev_archdata_set_node(struct dev_archdata *ad, |
| 34 | struct device_node *np) | |
| 35 | { | |
| 36 | ad->of_node = np; | |
| 37 | } | |
| 38 | ||
| 39 | static inline struct device_node * | |
| 40 | dev_archdata_get_node(const struct dev_archdata *ad) | |
| 41 | { | |
| 42 | return ad->of_node; | |
| 43 | } | |
| 44 | ||
| d7aacadd MD |
45 | struct pdev_archdata { |
| 46 | }; | |
| 47 | ||
| 12d04eef | 48 | #endif /* _ASM_POWERPC_DEVICE_H */ |