| Glauber Costa | 459121c9 | 2008-04-08 13:20:43 -0300 | [diff] [blame] | 1 | #include <linux/dma-mapping.h> |
| 2 | |
| Glauber Costa | 85c246e | 2008-04-08 13:20:50 -0300 | [diff] [blame] | 3 | const struct dma_mapping_ops *dma_ops; |
| 4 | EXPORT_SYMBOL(dma_ops); |
| 5 | |
| Glauber Costa | f9c258d | 2008-04-08 13:20:52 -0300 | [diff] [blame^] | 6 | #ifdef CONFIG_IOMMU_DEBUG |
| 7 | int panic_on_overflow __read_mostly = 1; |
| 8 | int force_iommu __read_mostly = 1; |
| 9 | #else |
| 10 | int panic_on_overflow __read_mostly = 0; |
| 11 | int force_iommu __read_mostly = 0; |
| 12 | #endif |
| 13 | |
| Glauber Costa | 459121c9 | 2008-04-08 13:20:43 -0300 | [diff] [blame] | 14 | int dma_set_mask(struct device *dev, u64 mask) |
| 15 | { |
| 16 | if (!dev->dma_mask || !dma_supported(dev, mask)) |
| 17 | return -EIO; |
| 18 | |
| 19 | *dev->dma_mask = mask; |
| 20 | |
| 21 | return 0; |
| 22 | } |
| 23 | EXPORT_SYMBOL(dma_set_mask); |
| 24 | |
| 25 | |