1dbddf429SAlex Dewar /* SPDX-License-Identifier: GPL-2.0 */ 2510c72a3SAl Viro /* 3510c72a3SAl Viro * Copyright (C) 2000, 2001 Jeff Dike (jdike@karaya.com) 4510c72a3SAl Viro */ 5510c72a3SAl Viro 6510c72a3SAl Viro #ifndef __CHAN_USER_H__ 7510c72a3SAl Viro #define __CHAN_USER_H__ 8510c72a3SAl Viro 937185b33SAl Viro #include <init.h> 10510c72a3SAl Viro 11510c72a3SAl Viro struct chan_opts { 12510c72a3SAl Viro void (*const announce)(char *dev_name, int dev); 13510c72a3SAl Viro char *xterm_title; 14f1dc67d0SJohannes Berg int raw; 15510c72a3SAl Viro }; 16510c72a3SAl Viro 17510c72a3SAl Viro struct chan_ops { 18510c72a3SAl Viro char *type; 19510c72a3SAl Viro void *(*init)(char *, int, const struct chan_opts *); 20510c72a3SAl Viro int (*open)(int, int, int, void *, char **); 21510c72a3SAl Viro void (*close)(int, void *); 22510c72a3SAl Viro int (*read)(int, char *, void *); 23510c72a3SAl Viro int (*write)(int, const char *, int, void *); 24510c72a3SAl Viro int (*console_write)(int, const char *, int); 25510c72a3SAl Viro int (*window_size)(int, void *, unsigned short *, unsigned short *); 26510c72a3SAl Viro void (*free)(void *); 27510c72a3SAl Viro int winch; 28510c72a3SAl Viro }; 29510c72a3SAl Viro 30510c72a3SAl Viro extern const struct chan_ops fd_ops, null_ops, port_ops, pts_ops, pty_ops, 31510c72a3SAl Viro tty_ops, xterm_ops; 32510c72a3SAl Viro 33510c72a3SAl Viro extern void generic_close(int fd, void *unused); 34510c72a3SAl Viro extern int generic_read(int fd, char *c_out, void *unused); 35510c72a3SAl Viro extern int generic_write(int fd, const char *buf, int n, void *unused); 36510c72a3SAl Viro extern int generic_console_write(int fd, const char *buf, int n); 37510c72a3SAl Viro extern int generic_window_size(int fd, void *unused, unsigned short *rows_out, 38510c72a3SAl Viro unsigned short *cols_out); 39510c72a3SAl Viro extern void generic_free(void *data); 40510c72a3SAl Viro 412116bda6SRichard Weinberger struct tty_port; 422116bda6SRichard Weinberger extern void register_winch(int fd, struct tty_port *port); 43510c72a3SAl Viro extern void register_winch_irq(int fd, int tty_fd, int pid, 442116bda6SRichard Weinberger struct tty_port *port, unsigned long stack); 45510c72a3SAl Viro 46510c72a3SAl Viro #define __channel_help(fn, prefix) \ 47510c72a3SAl Viro __uml_help(fn, prefix "[0-9]*=<channel description>\n" \ 48510c72a3SAl Viro " Attach a console or serial line to a host channel. See\n" \ 49510c72a3SAl Viro " http://user-mode-linux.sourceforge.net/old/input.html for a complete\n" \ 50510c72a3SAl Viro " description of this switch.\n\n" \ 51510c72a3SAl Viro ); 52510c72a3SAl Viro 53510c72a3SAl Viro #endif 54