34 ssize_t __mei_cl_send(struct mei_cl *cl, const u8 *buf, size_t length, u8 vtag,  in __mei_cl_send()  argument
41 	if (WARN_ON(!cl || !cl->dev))  in __mei_cl_send()
44 	bus = cl->dev;  in __mei_cl_send()
53 	if (!mei_cl_is_connected(cl)) {  in __mei_cl_send()
59 	if (!mei_me_cl_is_active(cl->me_cl)) {  in __mei_cl_send()
66 		rets = mei_cl_vt_support_check(cl);  in __mei_cl_send()
71 	if (length > mei_cl_mtu(cl)) {  in __mei_cl_send()
76 	while (cl->tx_cb_queued >= bus->tx_queue_limit) {  in __mei_cl_send()
78 		rets = wait_event_interruptible(cl->tx_wait,  in __mei_cl_send()
79 				cl->writing_state == MEI_WRITE_COMPLETE ||  in __mei_cl_send()
80 				(!mei_cl_is_connected(cl)));  in __mei_cl_send()
87 		if (!mei_cl_is_connected(cl)) {  in __mei_cl_send()
93 	cb = mei_cl_alloc_cb(cl, length, MEI_FOP_WRITE, NULL);  in __mei_cl_send()
104 	rets = mei_cl_write(cl, cb);  in __mei_cl_send()
124 ssize_t __mei_cl_recv(struct mei_cl *cl, u8 *buf, size_t length, u8 *vtag,  in __mei_cl_recv()  argument
133 	if (WARN_ON(!cl || !cl->dev))  in __mei_cl_recv()
136 	bus = cl->dev;  in __mei_cl_recv()
145 	cb = mei_cl_read_cb(cl, NULL);  in __mei_cl_recv()
149 	rets = mei_cl_read_start(cl, length, NULL);  in __mei_cl_recv()
160 	if (!waitqueue_active(&cl->rx_wait)) {  in __mei_cl_recv()
166 					(cl->rx_wait,  in __mei_cl_recv()
167 					mei_cl_read_cb(cl, NULL) ||  in __mei_cl_recv()
168 					(!mei_cl_is_connected(cl)),  in __mei_cl_recv()
179 					(cl->rx_wait,  in __mei_cl_recv()
180 					mei_cl_read_cb(cl, NULL) ||  in __mei_cl_recv()
181 					(!mei_cl_is_connected(cl)))) {  in __mei_cl_recv()
190 		if (!mei_cl_is_connected(cl)) {  in __mei_cl_recv()
196 	cb = mei_cl_read_cb(cl, NULL);  in __mei_cl_recv()
215 	mei_cl_del_rd_completed(cl, cb);  in __mei_cl_recv()
238 	struct mei_cl *cl = cldev->cl;  in mei_cldev_send_vtag()  local
240 	return __mei_cl_send(cl, buf, length, vtag, MEI_CL_IO_TX_BLOCKING);  in mei_cldev_send_vtag()
260 	struct mei_cl *cl = cldev->cl;  in mei_cldev_recv_vtag()  local
262 	return __mei_cl_recv(cl, buf, length, vtag, 0, 0);  in mei_cldev_recv_vtag()
282 	struct mei_cl *cl = cldev->cl;  in mei_cldev_recv_nonblock_vtag()  local
284 	return __mei_cl_recv(cl, buf, length, vtag, MEI_CL_IO_RX_NONBLOCK, 0);  in mei_cldev_recv_nonblock_vtag()
355 	if (mei_cl_is_connected(cldev->cl))  in mei_cl_bus_rx_work()
356 		mei_cl_read_start(cldev->cl, mei_cl_mtu(cldev->cl), NULL);  in mei_cl_bus_rx_work()
383 bool mei_cl_bus_notify_event(struct mei_cl *cl)  in mei_cl_bus_notify_event()  argument
385 	struct mei_cl_device *cldev = cl->cldev;  in mei_cl_bus_notify_event()
390 	if (!cl->notify_ev)  in mei_cl_bus_notify_event()
395 	cl->notify_ev = false;  in mei_cl_bus_notify_event()
408 bool mei_cl_bus_rx_event(struct mei_cl *cl)  in mei_cl_bus_rx_event()  argument
410 	struct mei_cl_device *cldev = cl->cldev;  in mei_cl_bus_rx_event()
444 	if (mei_cl_is_connected(cldev->cl))  in mei_cldev_register_rx_cb()
445 		ret = mei_cl_read_start(cldev->cl, mei_cl_mtu(cldev->cl), NULL);  in mei_cldev_register_rx_cb()
485 	ret = mei_cl_notify_request(cldev->cl, NULL, 1);  in mei_cldev_register_notif_cb()
557 	return mei_cl_is_connected(cldev->cl);  in mei_cldev_enabled()
592 static inline struct mei_cl_vtag *mei_cl_bus_vtag(struct mei_cl *cl)  in mei_cl_bus_vtag()  argument
594 	return list_first_entry_or_null(&cl->vtag_map,  in mei_cl_bus_vtag()
609 	struct mei_cl *cl = cldev->cl;  in mei_cl_bus_vtag_alloc()  local
616 	if (mei_cl_vt_support_check(cl) || mei_cl_bus_vtag(cl))  in mei_cl_bus_vtag_alloc()
623 	list_add_tail(&cl_vtag->list, &cl->vtag_map);  in mei_cl_bus_vtag_alloc()
635 	struct mei_cl *cl = cldev->cl;  in mei_cl_bus_vtag_free()  local
638 	cl_vtag = mei_cl_bus_vtag(cl);  in mei_cl_bus_vtag_free()
649 	struct mei_cl *cl;  in mei_cldev_dma_map()  local
661 	cl = cldev->cl;  in mei_cldev_dma_map()
665 	if (cl->state == MEI_FILE_UNINITIALIZED) {  in mei_cldev_dma_map()
666 		ret = mei_cl_link(cl);  in mei_cldev_dma_map()
670 		cl->cldev = cldev;  in mei_cldev_dma_map()
673 	ret = mei_cl_dma_alloc_and_map(cl, NULL, buffer_id, size);  in mei_cldev_dma_map()
678 	return cl->dma.vaddr;  in mei_cldev_dma_map()
685 	struct mei_cl *cl;  in mei_cldev_dma_unmap()  local
691 	cl = cldev->cl;  in mei_cldev_dma_unmap()
695 	ret = mei_cl_dma_unmap(cl, NULL);  in mei_cldev_dma_unmap()
697 	mei_cl_flush_queues(cl, NULL);  in mei_cldev_dma_unmap()
698 	mei_cl_unlink(cl);  in mei_cldev_dma_unmap()
715 	struct mei_cl *cl;  in mei_cldev_enable()  local
718 	cl = cldev->cl;  in mei_cldev_enable()
721 	if (cl->state == MEI_FILE_UNINITIALIZED) {  in mei_cldev_enable()
722 		ret = mei_cl_link(cl);  in mei_cldev_enable()
726 		cl->cldev = cldev;  in mei_cldev_enable()
729 	if (mei_cl_is_connected(cl)) {  in mei_cldev_enable()
744 	ret = mei_cl_connect(cl, cldev->me_cl, NULL);  in mei_cldev_enable()
787 	struct mei_cl *cl;  in mei_cldev_disable()  local
793 	cl = cldev->cl;  in mei_cldev_disable()
803 	if (!mei_cl_is_connected(cl)) {  in mei_cldev_disable()
809 	err = mei_cl_disconnect(cl);  in mei_cldev_disable()
815 	if (!cl->dma_mapped) {  in mei_cldev_disable()
816 		mei_cl_flush_queues(cl, NULL);  in mei_cldev_disable()
817 		mei_cl_unlink(cl);  in mei_cldev_disable()
1115 	mei_cl_flush_queues(cldev->cl, NULL);  in mei_cl_bus_dev_release()
1118 	mei_cl_unlink(cldev->cl);  in mei_cl_bus_dev_release()
1119 	kfree(cldev->cl);  in mei_cl_bus_dev_release()
1153 	struct mei_cl *cl;  in mei_cl_bus_dev_alloc()  local
1159 	cl = mei_cl_allocate(bus);  in mei_cl_bus_dev_alloc()
1160 	if (!cl) {  in mei_cl_bus_dev_alloc()
1171 	cldev->cl         = cl;  in mei_cl_bus_dev_alloc()