17 	int		size;  member
41 		dma_addr_t device_addr, size_t size,  in dma_init_coherent_memory()  argument
46 	int pages = size >> PAGE_SHIFT;  in dma_init_coherent_memory()
50 	if (!size) {  in dma_init_coherent_memory()
55 	mem_base = memremap(phys_addr, size, MEMREMAP_WC);  in dma_init_coherent_memory()
74 	dma_mem->size = pages;  in dma_init_coherent_memory()
128 				dma_addr_t device_addr, size_t size)  in dma_declare_coherent_memory()  argument
133 	ret = dma_init_coherent_memory(phys_addr, device_addr, size, &mem);  in dma_declare_coherent_memory()
153 				       ssize_t size, dma_addr_t *dma_handle)  in __dma_alloc_from_coherent()  argument
155 	int order = get_order(size);  in __dma_alloc_from_coherent()
162 	if (unlikely(size > ((dma_addr_t)mem->size << PAGE_SHIFT)))  in __dma_alloc_from_coherent()
165 	pageno = bitmap_find_free_region(mem->bitmap, mem->size, order);  in __dma_alloc_from_coherent()
176 	memset(ret, 0, size);  in __dma_alloc_from_coherent()
197 int dma_alloc_from_dev_coherent(struct device *dev, ssize_t size,  in dma_alloc_from_dev_coherent()  argument
205 	*ret = __dma_alloc_from_coherent(dev, mem, size, dma_handle);  in dma_alloc_from_dev_coherent()
209 void *dma_alloc_from_global_coherent(struct device *dev, ssize_t size,  in dma_alloc_from_global_coherent()  argument
215 	return __dma_alloc_from_coherent(dev, dma_coherent_default_memory, size,  in dma_alloc_from_global_coherent()
223 		   (mem->virt_base + ((dma_addr_t)mem->size << PAGE_SHIFT))) {  in __dma_release_from_coherent()
264 		struct vm_area_struct *vma, void *vaddr, size_t size, int *ret)  in __dma_mmap_from_coherent()  argument
266 	if (mem && vaddr >= mem->virt_base && vaddr + size <=  in __dma_mmap_from_coherent()
267 		   (mem->virt_base + ((dma_addr_t)mem->size << PAGE_SHIFT))) {  in __dma_mmap_from_coherent()
271 		int count = PAGE_ALIGN(size) >> PAGE_SHIFT;  in __dma_mmap_from_coherent()
301 			   void *vaddr, size_t size, int *ret)  in dma_mmap_from_dev_coherent()  argument
305 	return __dma_mmap_from_coherent(mem, vma, vaddr, size, ret);  in dma_mmap_from_dev_coherent()
309 				   size_t size, int *ret)  in dma_mmap_from_global_coherent()  argument
315 					vaddr, size, ret);  in dma_mmap_from_global_coherent()
335 					       rmem->size, &mem);  in rmem_dma_device_init()
338 				&rmem->base, (unsigned long)rmem->size / SZ_1M);  in rmem_dma_device_init()
382 		&rmem->base, (unsigned long)rmem->size / SZ_1M);  in rmem_dma_setup()