33 	smd_channel_t *ch;  member
69 		avail = smd_read_avail(info->ch);  in smd_tty_notify()
75 		if (smd_read(info->ch, ptr, avail) != avail) {  in smd_tty_notify()
107 	if (info->ch)  in smd_tty_port_activate()
108 		smd_kick(info->ch);  in smd_tty_port_activate()
110 		res = smd_open(name, &info->ch, info, smd_tty_notify);  in smd_tty_port_activate()
123 	if (info->ch) {  in smd_tty_port_shutdown()
124 		smd_close(info->ch);  in smd_tty_port_shutdown()
125 		info->ch = 0;  in smd_tty_port_shutdown()
153 	avail = smd_write_avail(info->ch);  in smd_tty_write()
157 	return smd_write(info->ch, buf, len);  in smd_tty_write()
163 	return smd_write_avail(info->ch);  in smd_tty_write_room()
169 	return smd_read_avail(info->ch);  in smd_tty_chars_in_buffer()
175 	smd_kick(info->ch);  in smd_tty_unthrottle()