1 /* SPDX-License-Identifier: GPL-2.0 */
10 #include <linux/dma-direct.h>
12 int dma_direct_get_sgtable(struct device *dev, struct sg_table *sgt,
15 bool dma_direct_can_mmap(struct device *dev);
16 int dma_direct_mmap(struct device *dev, struct vm_area_struct *vma,
19 bool dma_direct_need_sync(struct device *dev, dma_addr_t dma_addr);
20 int dma_direct_map_sg(struct device *dev, struct scatterlist *sgl, int nents,
22 size_t dma_direct_max_mapping_size(struct device *dev);
26 void dma_direct_sync_sg_for_device(struct device *dev, struct scatterlist *sgl,
29 static inline void dma_direct_sync_sg_for_device(struct device *dev,  in dma_direct_sync_sg_for_device()
38 void dma_direct_unmap_sg(struct device *dev, struct scatterlist *sgl,
40 void dma_direct_sync_sg_for_cpu(struct device *dev,
43 static inline void dma_direct_unmap_sg(struct device *dev,  in dma_direct_unmap_sg()
48 static inline void dma_direct_sync_sg_for_cpu(struct device *dev,  in dma_direct_sync_sg_for_cpu()
54 static inline void dma_direct_sync_single_for_device(struct device *dev,  in dma_direct_sync_single_for_device()
55 		dma_addr_t addr, size_t size, enum dma_data_direction dir)  in dma_direct_sync_single_for_device()  argument
57 	phys_addr_t paddr = dma_to_phys(dev, addr);  in dma_direct_sync_single_for_device()
66 static inline void dma_direct_sync_single_for_cpu(struct device *dev,  in dma_direct_sync_single_for_cpu()
67 		dma_addr_t addr, size_t size, enum dma_data_direction dir)  in dma_direct_sync_single_for_cpu()  argument
69 	phys_addr_t paddr = dma_to_phys(dev, addr);  in dma_direct_sync_single_for_cpu()
83 static inline dma_addr_t dma_direct_map_page(struct device *dev,  in dma_direct_map_page()
98 			     "DMA addr %pad+%zu overflow (mask %llx, bus limit %llx).\n",  in dma_direct_map_page()
99 			     &dma_addr, size, *dev->dma_mask, dev->bus_dma_limit);  in dma_direct_map_page()
108 static inline void dma_direct_unmap_page(struct device *dev, dma_addr_t addr,  in dma_direct_unmap_page()  argument
111 	phys_addr_t phys = dma_to_phys(dev, addr);  in dma_direct_unmap_page()
114 		dma_direct_sync_single_for_cpu(dev, addr, size, dir);  in dma_direct_unmap_page()