69 static bool dma_coherent_ok(struct device *dev, phys_addr_t phys, size_t size)  in dma_coherent_ok()  argument
75 	return dma_addr + size - 1 <=  in dma_coherent_ok()
79 static struct page *__dma_direct_alloc_pages(struct device *dev, size_t size,  in __dma_direct_alloc_pages()  argument
86 	WARN_ON_ONCE(!PAGE_ALIGNED(size));  in __dma_direct_alloc_pages()
90 	page = dma_alloc_contiguous(dev, size, gfp);  in __dma_direct_alloc_pages()
91 	if (page && !dma_coherent_ok(dev, page_to_phys(page), size)) {  in __dma_direct_alloc_pages()
92 		dma_free_contiguous(dev, page, size);  in __dma_direct_alloc_pages()
97 		page = alloc_pages_node(node, gfp, get_order(size));  in __dma_direct_alloc_pages()
98 	if (page && !dma_coherent_ok(dev, page_to_phys(page), size)) {  in __dma_direct_alloc_pages()
99 		dma_free_contiguous(dev, page, size);  in __dma_direct_alloc_pages()
119 static void *dma_direct_alloc_from_pool(struct device *dev, size_t size,  in dma_direct_alloc_from_pool()  argument
128 	page = dma_alloc_from_pool(dev, size, &ret, gfp, dma_coherent_ok);  in dma_direct_alloc_from_pool()
135 void *dma_direct_alloc(struct device *dev, size_t size,  in dma_direct_alloc()  argument
142 	size = PAGE_ALIGN(size);  in dma_direct_alloc()
148 		page = __dma_direct_alloc_pages(dev, size, gfp & ~__GFP_ZERO);  in dma_direct_alloc()
153 			arch_dma_prep_coherent(page, size);  in dma_direct_alloc()
162 		return arch_dma_alloc(dev, size, dma_handle, gfp, attrs);  in dma_direct_alloc()
172 		return dma_direct_alloc_from_pool(dev, size, dma_handle, gfp);  in dma_direct_alloc()
175 	page = __dma_direct_alloc_pages(dev, size, gfp & ~__GFP_ZERO);  in dma_direct_alloc()
183 		arch_dma_prep_coherent(page, size);  in dma_direct_alloc()
186 		ret = dma_common_contiguous_remap(page, size,  in dma_direct_alloc()
193 						   PFN_UP(size));  in dma_direct_alloc()
197 		memset(ret, 0, size);  in dma_direct_alloc()
215 					   PFN_UP(size));  in dma_direct_alloc()
220 	memset(ret, 0, size);  in dma_direct_alloc()
224 		arch_dma_prep_coherent(page, size);  in dma_direct_alloc()
225 		ret = arch_dma_set_uncached(ret, size);  in dma_direct_alloc()
236 					   PFN_UP(size));  in dma_direct_alloc()
242 	dma_free_contiguous(dev, page, size);  in dma_direct_alloc()
246 void dma_direct_free(struct device *dev, size_t size,  in dma_direct_free()  argument
252 		dma_free_contiguous(dev, cpu_addr, size);  in dma_direct_free()
259 		arch_dma_free(dev, size, cpu_addr, dma_addr, attrs);  in dma_direct_free()
265 	    dma_free_from_pool(dev, cpu_addr, PAGE_ALIGN(size)))  in dma_direct_free()
269 		set_memory_encrypted((unsigned long)cpu_addr, PFN_UP(size));  in dma_direct_free()
274 		arch_dma_clear_uncached(cpu_addr, size);  in dma_direct_free()
276 	dma_free_contiguous(dev, dma_direct_to_page(dev, dma_addr), size);  in dma_direct_free()
279 struct page *dma_direct_alloc_pages(struct device *dev, size_t size,  in dma_direct_alloc_pages()  argument
287 		return dma_direct_alloc_from_pool(dev, size, dma_handle, gfp);  in dma_direct_alloc_pages()
289 	page = __dma_direct_alloc_pages(dev, size, gfp);  in dma_direct_alloc_pages()
305 		if (set_memory_decrypted((unsigned long)ret, PFN_UP(size)))  in dma_direct_alloc_pages()
308 	memset(ret, 0, size);  in dma_direct_alloc_pages()
312 	dma_free_contiguous(dev, page, size);  in dma_direct_alloc_pages()
316 void dma_direct_free_pages(struct device *dev, size_t size,  in dma_direct_free_pages()  argument
324 	    dma_free_from_pool(dev, vaddr, size))  in dma_direct_free_pages()
328 		set_memory_encrypted((unsigned long)vaddr, PFN_UP(size));  in dma_direct_free_pages()
330 	dma_free_contiguous(dev, page, size);  in dma_direct_free_pages()
416 		size_t size, enum dma_data_direction dir, unsigned long attrs)  in dma_direct_map_resource()  argument
420 	if (unlikely(!dma_capable(dev, dma_addr, size, false))) {  in dma_direct_map_resource()
423 			     &dma_addr, size, *dev->dma_mask, dev->bus_dma_limit);  in dma_direct_map_resource()
432 		void *cpu_addr, dma_addr_t dma_addr, size_t size,  in dma_direct_get_sgtable()  argument
440 		sg_set_page(sgt->sgl, page, PAGE_ALIGN(size), 0);  in dma_direct_get_sgtable()
451 		void *cpu_addr, dma_addr_t dma_addr, size_t size,  in dma_direct_mmap()  argument
455 	unsigned long count = PAGE_ALIGN(size) >> PAGE_SHIFT;  in dma_direct_mmap()
461 	if (dma_mmap_from_dev_coherent(dev, vma, cpu_addr, size, &ret))  in dma_direct_mmap()
525 			 dma_addr_t dma_start, u64 size)  in dma_direct_set_offset()  argument
544 	map[0].size = size;  in dma_direct_set_offset()