35 __weak void dfu_flush_callback(struct dfu_entity *dfu)  in dfu_flush_callback()  argument
43 __weak void dfu_initiated_callback(struct dfu_entity *dfu)  in dfu_initiated_callback()  argument
99 	struct dfu_entity *dfu;  in dfu_config_interfaces()  local
111 	ret = dfu_alt_init(n, &dfu);  in dfu_config_interfaces()
129 			ret = dfu_alt_add(dfu, i, d, part);  in dfu_config_interfaces()
188 unsigned char *dfu_get_buf(struct dfu_entity *dfu)  in dfu_get_buf()  argument
193 	if (dfu_buf && dfu->dev_type != dfu_buf_device_type)  in dfu_get_buf()
206 	if (dfu->max_buf_size && dfu_buf_size > dfu->max_buf_size)  in dfu_get_buf()
207 		dfu_buf_size = dfu->max_buf_size;  in dfu_get_buf()
214 	dfu_buf_device_type = dfu->dev_type;  in dfu_get_buf()
235 static int dfu_write_buffer_drain(struct dfu_entity *dfu)  in dfu_write_buffer_drain()  argument
241 	w_size = dfu->i_buf - dfu->i_buf_start;  in dfu_write_buffer_drain()
246 		dfu_hash_algo->hash_update(dfu_hash_algo, &dfu->crc,  in dfu_write_buffer_drain()
247 					   dfu->i_buf_start, w_size, 0);  in dfu_write_buffer_drain()
249 	ret = dfu->write_medium(dfu, dfu->offset, dfu->i_buf_start, &w_size);  in dfu_write_buffer_drain()
254 	dfu->i_buf = dfu->i_buf_start;  in dfu_write_buffer_drain()
257 	dfu->offset += w_size;  in dfu_write_buffer_drain()
264 void dfu_transaction_cleanup(struct dfu_entity *dfu)  in dfu_transaction_cleanup()  argument
267 	dfu->crc = 0;  in dfu_transaction_cleanup()
268 	dfu->offset = 0;  in dfu_transaction_cleanup()
269 	dfu->i_blk_seq_num = 0;  in dfu_transaction_cleanup()
270 	dfu->i_buf_start = dfu_get_buf(dfu);  in dfu_transaction_cleanup()
271 	dfu->i_buf_end = dfu->i_buf_start;  in dfu_transaction_cleanup()
272 	dfu->i_buf = dfu->i_buf_start;  in dfu_transaction_cleanup()
273 	dfu->r_left = 0;  in dfu_transaction_cleanup()
274 	dfu->b_left = 0;  in dfu_transaction_cleanup()
275 	dfu->bad_skip = 0;  in dfu_transaction_cleanup()
277 	dfu->inited = 0;  in dfu_transaction_cleanup()
280 int dfu_transaction_initiate(struct dfu_entity *dfu, bool read)  in dfu_transaction_initiate()  argument
284 	if (dfu->inited)  in dfu_transaction_initiate()
287 	dfu_transaction_cleanup(dfu);  in dfu_transaction_initiate()
289 	if (dfu->i_buf_start == NULL)  in dfu_transaction_initiate()
292 	dfu->i_buf_end = dfu->i_buf_start + dfu_get_buf_size();  in dfu_transaction_initiate()
295 		ret = dfu->get_medium_size(dfu, &dfu->r_left);  in dfu_transaction_initiate()
298 		debug("%s: %s %lld [B]\n", __func__, dfu->name, dfu->r_left);  in dfu_transaction_initiate()
301 	dfu->inited = 1;  in dfu_transaction_initiate()
302 	dfu_initiated_callback(dfu);  in dfu_transaction_initiate()
307 int dfu_flush(struct dfu_entity *dfu, void *buf, int size, int blk_seq_num)  in dfu_flush()  argument
311 	ret = dfu_write_buffer_drain(dfu);  in dfu_flush()
315 	if (dfu->flush_medium)  in dfu_flush()
316 		ret = dfu->flush_medium(dfu);  in dfu_flush()
320 		       dfu->crc);  in dfu_flush()
322 	dfu_flush_callback(dfu);  in dfu_flush()
324 	dfu_transaction_cleanup(dfu);  in dfu_flush()
329 int dfu_write(struct dfu_entity *dfu, void *buf, int size, int blk_seq_num)  in dfu_write()  argument
334 	      __func__, dfu->name, buf, size, blk_seq_num, dfu->offset,  in dfu_write()
335 	      (unsigned long)(dfu->i_buf - dfu->i_buf_start));  in dfu_write()
337 	ret = dfu_transaction_initiate(dfu, false);  in dfu_write()
341 	if (dfu->i_blk_seq_num != blk_seq_num) {  in dfu_write()
343 		       __func__, dfu->i_blk_seq_num, blk_seq_num);  in dfu_write()
344 		dfu_transaction_cleanup(dfu);  in dfu_write()
362 	dfu->i_blk_seq_num = (dfu->i_blk_seq_num + 1) & 0xffff;  in dfu_write()
365 	if ((dfu->i_buf + size) > dfu->i_buf_end) {  in dfu_write()
366 		ret = dfu_write_buffer_drain(dfu);  in dfu_write()
368 			dfu_transaction_cleanup(dfu);  in dfu_write()
374 	if ((dfu->i_buf + size) > dfu->i_buf_end) {  in dfu_write()
375 		pr_err("Buffer overflow! (0x%p + 0x%x > 0x%p)\n", dfu->i_buf,  in dfu_write()
376 		      size, dfu->i_buf_end);  in dfu_write()
377 		dfu_transaction_cleanup(dfu);  in dfu_write()
381 	memcpy(dfu->i_buf, buf, size);  in dfu_write()
382 	dfu->i_buf += size;  in dfu_write()
385 	if (size == 0 || (dfu->i_buf + size) > dfu->i_buf_end) {  in dfu_write()
386 		ret = dfu_write_buffer_drain(dfu);  in dfu_write()
388 			dfu_transaction_cleanup(dfu);  in dfu_write()
396 static int dfu_read_buffer_fill(struct dfu_entity *dfu, void *buf, int size)  in dfu_read_buffer_fill()  argument
404 		chunk = min((long)size, dfu->b_left);  in dfu_read_buffer_fill()
407 			memcpy(buf, dfu->i_buf, chunk);  in dfu_read_buffer_fill()
410 							   &dfu->crc, buf,  in dfu_read_buffer_fill()
413 			dfu->i_buf += chunk;  in dfu_read_buffer_fill()
414 			dfu->b_left -= chunk;  in dfu_read_buffer_fill()
423 			if (dfu->r_left == 0)  in dfu_read_buffer_fill()
426 			dfu->i_buf = dfu->i_buf_start;  in dfu_read_buffer_fill()
427 			dfu->b_left = dfu->i_buf_end - dfu->i_buf_start;  in dfu_read_buffer_fill()
430 			if (dfu->b_left > dfu->r_left)  in dfu_read_buffer_fill()
431 				dfu->b_left = dfu->r_left;  in dfu_read_buffer_fill()
432 			ret = dfu->read_medium(dfu, dfu->offset, dfu->i_buf,  in dfu_read_buffer_fill()
433 					&dfu->b_left);  in dfu_read_buffer_fill()
438 			if (dfu->b_left == 0)  in dfu_read_buffer_fill()
440 			dfu->offset += dfu->b_left;  in dfu_read_buffer_fill()
441 			dfu->r_left -= dfu->b_left;  in dfu_read_buffer_fill()
450 int dfu_read(struct dfu_entity *dfu, void *buf, int size, int blk_seq_num)  in dfu_read()  argument
455 	       __func__, dfu->name, buf, size, blk_seq_num, dfu->i_buf);  in dfu_read()
457 	ret = dfu_transaction_initiate(dfu, true);  in dfu_read()
461 	if (dfu->i_blk_seq_num != blk_seq_num) {  in dfu_read()
463 		       __func__, dfu->i_blk_seq_num, blk_seq_num);  in dfu_read()
467 	dfu->i_blk_seq_num = (dfu->i_blk_seq_num + 1) & 0xffff;  in dfu_read()
469 	ret = dfu_read_buffer_fill(dfu, buf, size);  in dfu_read()
477 			debug("%s: %s %s: 0x%x\n", __func__, dfu->name,  in dfu_read()
478 			      dfu_hash_algo->name, dfu->crc);  in dfu_read()
481 		dfu_transaction_cleanup(dfu);  in dfu_read()
487 static int dfu_fill_entity(struct dfu_entity *dfu, char *s, int alt,  in dfu_fill_entity()  argument
494 	strcpy(dfu->name, st);  in dfu_fill_entity()
496 	dfu->alt = alt;  in dfu_fill_entity()
497 	dfu->max_buf_size = 0;  in dfu_fill_entity()
498 	dfu->free_entity = NULL;  in dfu_fill_entity()
502 		if (dfu_fill_entity_mmc(dfu, devstr, s))  in dfu_fill_entity()
505 		if (dfu_fill_entity_mtd(dfu, devstr, s))  in dfu_fill_entity()
508 		if (dfu_fill_entity_nand(dfu, devstr, s))  in dfu_fill_entity()
511 		if (dfu_fill_entity_ram(dfu, devstr, s))  in dfu_fill_entity()
514 		if (dfu_fill_entity_sf(dfu, devstr, s))  in dfu_fill_entity()
517 		if (dfu_fill_entity_virt(dfu, devstr, s))  in dfu_fill_entity()
524 	dfu_get_buf(dfu);  in dfu_fill_entity()
531 	struct dfu_entity *dfu, *p, *t = NULL;  in dfu_free_entities()  local
534 	list_for_each_entry_safe_reverse(dfu, p, &dfu_list, list) {  in dfu_free_entities()
535 		list_del(&dfu->list);  in dfu_free_entities()
536 		if (dfu->free_entity)  in dfu_free_entities()
537 			dfu->free_entity(dfu);  in dfu_free_entities()
538 		t = dfu;  in dfu_free_entities()
547 int dfu_alt_init(int num, struct dfu_entity **dfu)  in dfu_alt_init()  argument
563 	*dfu = calloc(sizeof(struct dfu_entity), dfu_alt_num);  in dfu_alt_init()
564 	if (!*dfu)  in dfu_alt_init()
570 int dfu_alt_add(struct dfu_entity *dfu, char *interface, char *devstr, char *s)  in dfu_alt_add()  argument
578 	p_dfu = &dfu[alt_num_cnt];  in dfu_alt_add()
591 	struct dfu_entity *dfu;  in dfu_config_entities()  local
595 	ret = dfu_alt_init(dfu_find_alt_num(env), &dfu);  in dfu_config_entities()
601 		ret = dfu_alt_add(dfu, interface, devstr, s);  in dfu_config_entities()
628 	struct dfu_entity *dfu;  in dfu_show_entities()  local
632 	list_for_each_entry(dfu, &dfu_list, list) {  in dfu_show_entities()
634 		       dfu_get_dev_type(dfu->dev_type), dfu->alt,  in dfu_show_entities()
635 		       dfu->name, dfu_get_layout(dfu->layout));  in dfu_show_entities()
646 	struct dfu_entity *dfu;  in dfu_get_entity()  local
648 	list_for_each_entry(dfu, &dfu_list, list) {  in dfu_get_entity()
649 		if (dfu->alt == alt)  in dfu_get_entity()
650 			return dfu;  in dfu_get_entity()
658 	struct dfu_entity *dfu;  in dfu_get_alt()  local
661 	list_for_each_entry(dfu, &dfu_list, list) {  in dfu_get_alt()
662 		if (dfu->name[0] != '/') {  in dfu_get_alt()
663 			if (!strncmp(dfu->name, name, strlen(dfu->name)))  in dfu_get_alt()
664 				return dfu->alt;  in dfu_get_alt()
676 			str = strstr(dfu->name, name);  in dfu_get_alt()
684 			if (strlen(dfu->name) ==  in dfu_get_alt()
685 			    ((str - dfu->name) + strlen(name)))  in dfu_get_alt()
686 				return dfu->alt;  in dfu_get_alt()
693 int dfu_write_from_mem_addr(struct dfu_entity *dfu, void *buf, int size)  in dfu_write_from_mem_addr()  argument
704 	dfu_get_buf(dfu);  in dfu_write_from_mem_addr()
713 		ret = dfu_write(dfu, dp, write, i);  in dfu_write_from_mem_addr()
723 	ret = dfu_flush(dfu, NULL, 0, i);  in dfu_write_from_mem_addr()