1/* 2 * Arch specific extensions to struct device 3 * 4 * This file is released under the GPLv2 5 */ 6#ifndef _ASM_POWERPC_DEVICE_H 7#define _ASM_POWERPC_DEVICE_H 8 9struct dma_map_ops; 10struct device_node; 11 12/* 13 * Arch extensions to struct device. 14 * 15 * When adding fields, consider macio_add_one_device in 16 * drivers/macintosh/macio_asic.c 17 */ 18struct dev_archdata { 19 /* DMA operations on that device */ 20 struct dma_map_ops *dma_ops; 21 22 /* 23 * When an iommu is in use, dma_data is used as a ptr to the base of the 24 * iommu_table. Otherwise, it is a simple numerical offset. 25 */ 26 union { 27 dma_addr_t dma_offset; 28 void *iommu_table_base; 29 } dma_data; 30 31#ifdef CONFIG_SWIOTLB 32 dma_addr_t max_direct_dma_addr; 33#endif 34}; 35 36struct pdev_archdata { 37 u64 dma_mask; 38}; 39 40#endif /* _ASM_POWERPC_DEVICE_H */ 41