54 	const io_entity_t *entity = (io_entity_t *)handle;  in is_valid_entity()  local
56 	return (entity != NULL) &&  in is_valid_entity()
57 			(is_valid_dev((uintptr_t)entity->dev_handle));  in is_valid_entity()
84 static void set_handle(uintptr_t *handle, io_entity_t *entity)  in set_handle()  argument
87 	*handle = (uintptr_t)entity;  in set_handle()
92 static int find_first_entity(const io_entity_t *entity, unsigned int *index_out)  in find_first_entity()  argument
96 		if (entity_map[index] == entity) {  in find_first_entity()
107 static int allocate_entity(io_entity_t **entity)  in allocate_entity()  argument
110 	assert(entity != NULL);  in allocate_entity()
116 		*entity = &entity_pool[index];  in allocate_entity()
126 static int free_entity(const io_entity_t *entity)  in free_entity()  argument
130 	assert(entity != NULL);  in free_entity()
132 	result = find_first_entity(entity, &index);  in free_entity()
216 	io_entity_t *entity;  in io_open()  local
218 	result = allocate_entity(&entity);  in io_open()
222 		result = dev->funcs->open(dev, spec, entity);  in io_open()
225 			entity->dev_handle = dev;  in io_open()
226 			set_handle(handle, entity);  in io_open()
228 			free_entity(entity);  in io_open()
240 	io_entity_t *entity = (io_entity_t *)handle;  in io_seek()  local
242 	io_dev_info_t *dev = entity->dev_handle;  in io_seek()
245 		result = dev->funcs->seek(entity, mode, offset);  in io_seek()
257 	io_entity_t *entity = (io_entity_t *)handle;  in io_size()  local
259 	io_dev_info_t *dev = entity->dev_handle;  in io_size()
262 		result = dev->funcs->size(entity, length);  in io_size()
277 	io_entity_t *entity = (io_entity_t *)handle;  in io_read()  local
279 	io_dev_info_t *dev = entity->dev_handle;  in io_read()
282 		result = dev->funcs->read(entity, buffer, length, length_read);  in io_read()
297 	io_entity_t *entity = (io_entity_t *)handle;  in io_write()  local
299 	io_dev_info_t *dev = entity->dev_handle;  in io_write()
302 		result = dev->funcs->write(entity, buffer, length,  in io_write()
316 	io_entity_t *entity = (io_entity_t *)handle;  in io_close()  local
318 	io_dev_info_t *dev = entity->dev_handle;  in io_close()
322 		result = dev->funcs->close(entity);  in io_close()
325 	(void)free_entity(entity);  in io_close()