79 struct dma_buf *dma_heap_buffer_alloc(struct dma_heap *heap, size_t len,  in dma_heap_buffer_alloc()  argument
96 	return heap->ops->allocate(heap, len, fd_flags, heap_flags);  in dma_heap_buffer_alloc()
100 int dma_heap_bufferfd_alloc(struct dma_heap *heap, size_t len,  in dma_heap_bufferfd_alloc()  argument
107 	dmabuf = dma_heap_buffer_alloc(heap, len, fd_flags, heap_flags);  in dma_heap_bufferfd_alloc()
124 	struct dma_heap *heap;  in dma_heap_open()  local
126 	heap = xa_load(&dma_heap_minors, iminor(inode));  in dma_heap_open()
127 	if (!heap) {  in dma_heap_open()
133 	file->private_data = heap;  in dma_heap_open()
142 	struct dma_heap *heap = file->private_data;  in dma_heap_ioctl_allocate()  local
148 	fd = dma_heap_bufferfd_alloc(heap, heap_allocation->len,  in dma_heap_ioctl_allocate()
162 	struct dma_heap *heap = file->private_data;  in dma_heap_ioctl_get_phys()  local
165 	if (heap->ops->get_phys)  in dma_heap_ioctl_get_phys()
166 		return heap->ops->get_phys(heap, phys);  in dma_heap_ioctl_get_phys()
256 void *dma_heap_get_drvdata(struct dma_heap *heap)  in dma_heap_get_drvdata()  argument
258 	return heap->priv;  in dma_heap_get_drvdata()
264 	struct dma_heap *heap = container_of(ref, struct dma_heap, refcount);  in dma_heap_release()  local
265 	int minor = MINOR(heap->heap_devt);  in dma_heap_release()
268 	list_del(&heap->list);  in dma_heap_release()
270 	device_destroy(dma_heap_class, heap->heap_devt);  in dma_heap_release()
271 	cdev_del(&heap->heap_cdev);  in dma_heap_release()
274 	kfree(heap);  in dma_heap_release()
296 struct device *dma_heap_get_dev(struct dma_heap *heap)  in dma_heap_get_dev()  argument
298 	return heap->heap_dev;  in dma_heap_get_dev()
309 const char *dma_heap_get_name(struct dma_heap *heap)  in dma_heap_get_name()  argument
311 	return heap->name;  in dma_heap_get_name()
317 	struct dma_heap *heap, *h, *err_ret;  in dma_heap_add()  local
331 	heap = kzalloc(sizeof(*heap), GFP_KERNEL);  in dma_heap_add()
332 	if (!heap)  in dma_heap_add()
335 	kref_init(&heap->refcount);  in dma_heap_add()
336 	heap->name = exp_info->name;  in dma_heap_add()
337 	heap->ops = exp_info->ops;  in dma_heap_add()
338 	heap->priv = exp_info->priv;  in dma_heap_add()
341 	ret = xa_alloc(&dma_heap_minors, &minor, heap,  in dma_heap_add()
350 	heap->heap_devt = MKDEV(MAJOR(dma_heap_devt), minor);  in dma_heap_add()
352 	cdev_init(&heap->heap_cdev, &dma_heap_fops);  in dma_heap_add()
353 	ret = cdev_add(&heap->heap_cdev, heap->heap_devt, 1);  in dma_heap_add()
360 	heap->heap_dev = device_create(dma_heap_class,  in dma_heap_add()
362 				       heap->heap_devt,  in dma_heap_add()
364 				       heap->name);  in dma_heap_add()
365 	if (IS_ERR(heap->heap_dev)) {  in dma_heap_add()
367 		err_ret = ERR_CAST(heap->heap_dev);  in dma_heap_add()
372 	heap->heap_dev = get_device(heap->heap_dev);  in dma_heap_add()
382 			put_device(heap->heap_dev);  in dma_heap_add()
388 	list_add(&heap->list, &heap_list);  in dma_heap_add()
391 	return heap;  in dma_heap_add()
394 	device_destroy(dma_heap_class, heap->heap_devt);  in dma_heap_add()
396 	cdev_del(&heap->heap_cdev);  in dma_heap_add()
400 	kfree(heap);  in dma_heap_add()
413 	struct dma_heap *heap;  in total_pools_kb_show()  local
417 	list_for_each_entry(heap, &heap_list, list) {  in total_pools_kb_show()
418 		if (heap->ops->get_pool_size)  in total_pools_kb_show()
419 			total_pool_size += heap->ops->get_pool_size(heap);  in total_pools_kb_show()