136 /* populates server->tty.dev and server->tty.sysfs_devnode, using the tty kernel name */
149 	server->tty.type = TTY_DEVICE_UNDEFINED;  in tty_find_device()
151 	assert(server->tty.kname);  in tty_find_device()
152 	if (!strlen(server->tty.kname)) {  in tty_find_device()
153 		warnx("TTY kname must not be empty");  in tty_find_device()
158 	if (server->tty.kname[0] == '/') {  in tty_find_device()
159 		tty_path_input = strdup(server->tty.kname);  in tty_find_device()
165 		rc = asprintf(&tty_path_input, "/dev/%s", server->tty.kname);  in tty_find_device()
171 	/* udev may rename the tty name with a symbol link, try to resolve */  in tty_find_device()
185 		server->tty.type = TTY_DEVICE_PTY;  in tty_find_device()
186 		server->tty.dev = strdup(server->tty.kname);  in tty_find_device()
187 		rc = server->tty.dev ? 0 : -1;  in tty_find_device()
193 		warn("Can't find real name for %s", server->tty.kname);  in tty_find_device()
198 	rc = asprintf(&tty_class_device_link, "/sys/class/tty/%s",  in tty_find_device()
211 	rc = asprintf(&server->tty.dev, "/dev/%s", tty_kname_real);  in tty_find_device()
217 	server->tty.type = TTY_DEVICE_UART;  in tty_find_device()
219 	/* Prior to 6.8, we have the tty device directly under the platform  in tty_find_device()
223 	 *  1e787000.serial/tty/ttySx/  in tty_find_device()
229 	 *  1e787000.serial/1e787000.serial:0/1e787000.serial:0.0/tty/ttySx/  in tty_find_device()
270 			server->tty.type = TTY_DEVICE_VUART;  in tty_find_device()
271 			server->tty.vuart.sysfs_devnode =  in tty_find_device()
297 	assert(server->tty.type == TTY_DEVICE_VUART);  in tty_set_sysfs_attr()
299 	if (!server->tty.vuart.sysfs_devnode) {  in tty_set_sysfs_attr()
303 	rc = asprintf(&path, "%s/%s", server->tty.vuart.sysfs_devnode, name);  in tty_set_sysfs_attr()
311 		     server->tty.kname);  in tty_set_sysfs_attr()
320 		     server->tty.kname);  in tty_set_sysfs_attr()
330  * Set termios attributes on the console tty.
337 	rc = tcgetattr(server->tty.fd, &termios);  in tty_init_termios()
339 		warn("Can't read tty termios");  in tty_init_termios()
343 	if (server->tty.type == TTY_DEVICE_UART && server->tty.uart.baud) {  in tty_init_termios()
344 		if (cfsetspeed(&termios, server->tty.uart.baud) < 0) {  in tty_init_termios()
345 			warn("Couldn't set speeds for %s", server->tty.kname);  in tty_init_termios()
354 	rc = tcsetattr(server->tty.fd, TCSANOW, &termios);  in tty_init_termios()
356 		warn("Can't set terminal options for %s", server->tty.kname);  in tty_init_termios()
365 	assert(server->tty.type == TTY_DEVICE_VUART);  in tty_init_vuart_io()
367 	if (server->tty.vuart.sirq) {  in tty_init_vuart_io()
368 		tty_set_sysfs_attr(server, "sirq", server->tty.vuart.sirq);  in tty_init_vuart_io()
371 	if (server->tty.vuart.lpc_addr) {  in tty_init_vuart_io()
373 				   server->tty.vuart.lpc_addr);  in tty_init_vuart_io()
379 	server->tty.fd = open(server->tty.dev, O_RDWR);  in tty_init_io()
380 	if (server->tty.fd <= 0) {  in tty_init_io()
381 		warn("Can't open tty %s", server->tty.dev);  in tty_init_io()
388 	fcntl(server->tty.fd, F_SETFL, FNDELAY);  in tty_init_io()
393 		console_server_request_pollfd(server, server->tty.fd, POLLIN);  in tty_init_io()
410 	assert(server->tty.type == TTY_DEVICE_VUART);  in tty_init_vuart()
427 		server->tty.vuart.lpc_addr = (uint16_t)parsed;  in tty_init_vuart()
447 		server->tty.vuart.sirq = (int)parsed;  in tty_init_vuart()
463 		server->tty.kname = tty_arg;  in tty_init()
464 	} else if ((val = config_get_value(config, "upstream-tty"))) {  in tty_init()
465 		server->tty.kname = val;  in tty_init()
467 		warnx("Error: No TTY device specified");  in tty_init()
476 	switch (server->tty.type) {  in tty_init()
488 			if (config_parse_baud(&server->tty.uart.baud, val)) {  in tty_init()
497 		warnx("Cannot configure unrecognised TTY device");  in tty_init()
511 	if (server->tty.type == TTY_DEVICE_VUART) {  in tty_fini()
512 		free(server->tty.vuart.sysfs_devnode);  in tty_fini()
515 	free(server->tty.dev);  in tty_fini()
626 	return write_buf_to_fd(console->server->tty.fd, data, len);  in console_data_out()
1017 		rc = read(server->tty.fd, buf, sizeof(buf));  in run_console_iteration()
1019 			warn("Error reading from tty device");  in run_console_iteration()
1334 		errx(EXIT_FAILURE, "no tty device path has been provided\n");  in main()