162306a36Sopenharmony_ci/* SPDX-License-Identifier: GPL-2.0 */ 262306a36Sopenharmony_ci/* 362306a36Sopenharmony_ci * Copyright (C) 2000, 2001 Jeff Dike (jdike@karaya.com) 462306a36Sopenharmony_ci */ 562306a36Sopenharmony_ci 662306a36Sopenharmony_ci#ifndef __CHAN_USER_H__ 762306a36Sopenharmony_ci#define __CHAN_USER_H__ 862306a36Sopenharmony_ci 962306a36Sopenharmony_ci#include <init.h> 1062306a36Sopenharmony_ci 1162306a36Sopenharmony_cistruct chan_opts { 1262306a36Sopenharmony_ci void (*const announce)(char *dev_name, int dev); 1362306a36Sopenharmony_ci char *xterm_title; 1462306a36Sopenharmony_ci int raw; 1562306a36Sopenharmony_ci}; 1662306a36Sopenharmony_ci 1762306a36Sopenharmony_cistruct chan_ops { 1862306a36Sopenharmony_ci char *type; 1962306a36Sopenharmony_ci void *(*init)(char *, int, const struct chan_opts *); 2062306a36Sopenharmony_ci int (*open)(int, int, int, void *, char **); 2162306a36Sopenharmony_ci void (*close)(int, void *); 2262306a36Sopenharmony_ci int (*read)(int, char *, void *); 2362306a36Sopenharmony_ci int (*write)(int, const char *, int, void *); 2462306a36Sopenharmony_ci int (*console_write)(int, const char *, int); 2562306a36Sopenharmony_ci int (*window_size)(int, void *, unsigned short *, unsigned short *); 2662306a36Sopenharmony_ci void (*free)(void *); 2762306a36Sopenharmony_ci int winch; 2862306a36Sopenharmony_ci}; 2962306a36Sopenharmony_ci 3062306a36Sopenharmony_ciextern const struct chan_ops fd_ops, null_ops, port_ops, pts_ops, pty_ops, 3162306a36Sopenharmony_ci tty_ops, xterm_ops; 3262306a36Sopenharmony_ci 3362306a36Sopenharmony_ciextern void generic_close(int fd, void *unused); 3462306a36Sopenharmony_ciextern int generic_read(int fd, char *c_out, void *unused); 3562306a36Sopenharmony_ciextern int generic_write(int fd, const char *buf, int n, void *unused); 3662306a36Sopenharmony_ciextern int generic_console_write(int fd, const char *buf, int n); 3762306a36Sopenharmony_ciextern int generic_window_size(int fd, void *unused, unsigned short *rows_out, 3862306a36Sopenharmony_ci unsigned short *cols_out); 3962306a36Sopenharmony_ciextern void generic_free(void *data); 4062306a36Sopenharmony_ci 4162306a36Sopenharmony_cistruct tty_port; 4262306a36Sopenharmony_ciextern void register_winch(int fd, struct tty_port *port); 4362306a36Sopenharmony_ciextern void register_winch_irq(int fd, int tty_fd, int pid, 4462306a36Sopenharmony_ci struct tty_port *port, unsigned long stack); 4562306a36Sopenharmony_ci 4662306a36Sopenharmony_ci#define __channel_help(fn, prefix) \ 4762306a36Sopenharmony_ci__uml_help(fn, prefix "[0-9]*=<channel description>\n" \ 4862306a36Sopenharmony_ci" Attach a console or serial line to a host channel. See\n" \ 4962306a36Sopenharmony_ci" http://user-mode-linux.sourceforge.net/old/input.html for a complete\n" \ 5062306a36Sopenharmony_ci" description of this switch.\n\n" \ 5162306a36Sopenharmony_ci); 5262306a36Sopenharmony_ci 5362306a36Sopenharmony_ci#endif 54