48 	struct mei_cl *cl;  in mei_open()  local
65 	cl = mei_cl_alloc_linked(dev);  in mei_open()
66 	if (IS_ERR(cl)) {  in mei_open()
67 		err = PTR_ERR(cl);  in mei_open()
71 	cl->fp = file;  in mei_open()
72 	file->private_data = cl;  in mei_open()
93 	struct mei_cl *cl = file->private_data;  in mei_release()  local
97 	if (WARN_ON(!cl || !cl->dev))  in mei_release()
100 	dev = cl->dev;  in mei_release()
104 	rets = mei_cl_disconnect(cl);  in mei_release()
106 	mei_cl_flush_queues(cl, file);  in mei_release()
107 	cl_dbg(dev, cl, "removing\n");  in mei_release()
109 	mei_cl_unlink(cl);  in mei_release()
113 	kfree(cl);  in mei_release()
133 	struct mei_cl *cl = file->private_data;  in mei_read()  local
139 	if (WARN_ON(!cl || !cl->dev))  in mei_read()
142 	dev = cl->dev;  in mei_read()
161 	cb = mei_cl_read_cb(cl, file);  in mei_read()
168 	rets = mei_cl_read_start(cl, length, file);  in mei_read()
170 		cl_dbg(dev, cl, "mei start read failure status = %zd\n", rets);  in mei_read()
180 	if (wait_event_interruptible(cl->rx_wait,  in mei_read()
181 				     !list_empty(&cl->rd_completed) ||  in mei_read()
182 				     !mei_cl_is_connected(cl))) {  in mei_read()
189 	if (!mei_cl_is_connected(cl)) {  in mei_read()
194 	cb = mei_cl_read_cb(cl, file);  in mei_read()
204 		cl_dbg(dev, cl, "read operation failed %zd\n", rets);  in mei_read()
208 	cl_dbg(dev, cl, "buf.size = %zu buf.idx = %zu offset = %lld\n",  in mei_read()
236 	cl_dbg(dev, cl, "end mei read rets = %zd\n", rets);  in mei_read()
253 	struct mei_cl *cl = file->private_data;  in mei_write()  local
258 	if (WARN_ON(!cl || !cl->dev))  in mei_write()
261 	dev = cl->dev;  in mei_write()
270 	if (!mei_cl_is_connected(cl)) {  in mei_write()
271 		cl_err(dev, cl, "is not connected");  in mei_write()
276 	if (!mei_me_cl_is_active(cl->me_cl)) {  in mei_write()
281 	if (length > mei_cl_mtu(cl)) {  in mei_write()
291 	while (cl->tx_cb_queued >= dev->tx_queue_limit) {  in mei_write()
297 		rets = wait_event_interruptible(cl->tx_wait,  in mei_write()
298 				cl->writing_state == MEI_WRITE_COMPLETE ||  in mei_write()
299 				(!mei_cl_is_connected(cl)));  in mei_write()
306 		if (!mei_cl_is_connected(cl)) {  in mei_write()
312 	cb = mei_cl_alloc_cb(cl, length, MEI_FOP_WRITE, file);  in mei_write()
326 	rets = mei_cl_write(cl, cb);  in mei_write()
348 	struct mei_cl *cl;  in mei_ioctl_connect_client()  local
351 	cl = file->private_data;  in mei_ioctl_connect_client()
352 	dev = cl->dev;  in mei_ioctl_connect_client()
357 	if (cl->state != MEI_FILE_INITIALIZING &&  in mei_ioctl_connect_client()
358 	    cl->state != MEI_FILE_DISCONNECTED)  in mei_ioctl_connect_client()
394 	rets = mei_cl_connect(cl, me_cl, file);  in mei_ioctl_connect_client()
412 	struct mei_cl *cl = file->private_data;  in mei_ioctl_client_notify_request()  local
418 	return mei_cl_notify_request(cl, file, (u8)request);  in mei_ioctl_client_notify_request()
431 	struct mei_cl *cl = file->private_data;  in mei_ioctl_client_notify_get()  local
436 	rets = mei_cl_notify_get(cl, block, &notify_ev);  in mei_ioctl_client_notify_get()
456 	struct mei_cl *cl = file->private_data;  in mei_ioctl()  local
462 	if (WARN_ON(!cl || !cl->dev))  in mei_ioctl()
465 	dev = cl->dev;  in mei_ioctl()
564 	struct mei_cl *cl = file->private_data;  in mei_poll()  local
569 	if (WARN_ON(!cl || !cl->dev))  in mei_poll()
572 	dev = cl->dev;  in mei_poll()
576 	notify_en = cl->notify_en && (req_events & EPOLLPRI);  in mei_poll()
579 	    !mei_cl_is_connected(cl)) {  in mei_poll()
585 		poll_wait(file, &cl->ev_wait, wait);  in mei_poll()
586 		if (cl->notify_ev)  in mei_poll()
591 		poll_wait(file, &cl->rx_wait, wait);  in mei_poll()
593 		if (!list_empty(&cl->rd_completed))  in mei_poll()
596 			mei_cl_read_start(cl, mei_cl_mtu(cl), file);  in mei_poll()
600 		poll_wait(file, &cl->tx_wait, wait);  in mei_poll()
601 		if (cl->tx_cb_queued < dev->tx_queue_limit)  in mei_poll()
617 static bool mei_cl_is_write_queued(struct mei_cl *cl)  in mei_cl_is_write_queued()  argument
619 	struct mei_device *dev = cl->dev;  in mei_cl_is_write_queued()
623 		if (cb->cl == cl)  in mei_cl_is_write_queued()
626 		if (cb->cl == cl)  in mei_cl_is_write_queued()
643 	struct mei_cl *cl = fp->private_data;  in mei_fsync()  local
647 	if (WARN_ON(!cl || !cl->dev))  in mei_fsync()
650 	dev = cl->dev;  in mei_fsync()
654 	if (dev->dev_state != MEI_DEV_ENABLED || !mei_cl_is_connected(cl)) {  in mei_fsync()
659 	while (mei_cl_is_write_queued(cl)) {  in mei_fsync()
661 		rets = wait_event_interruptible(cl->tx_wait,  in mei_fsync()
662 				cl->writing_state == MEI_WRITE_COMPLETE ||  in mei_fsync()
663 				!mei_cl_is_connected(cl));  in mei_fsync()
670 		if (!mei_cl_is_connected(cl)) {  in mei_fsync()
695 	struct mei_cl *cl = file->private_data;  in mei_fasync()  local
697 	if (!mei_cl_is_connected(cl))  in mei_fasync()
700 	return fasync_helper(fd, file, band, &cl->ev_async);  in mei_fasync()