/* * Copyright (C) 2000, 2001 Jeff Dike (jdike@karaya.com) * Licensed under the GPL */ #ifndef __CHAN_USER_H__ #define __CHAN_USER_H__ #include <init.h> struct chan_opts { void (*const announce)(char *dev_name, int dev); char *xterm_title; const int raw; }; struct chan_ops { char *type; void *(*init)(char *, int, const struct chan_opts *); int (*open)(int, int, int, void *, char **); void (*close)(int, void *); int (*read)(int, char *, void *); int (*write)(int, const char *, int, void *); int (*console_write)(int, const char *, int); int (*window_size)(int, void *, unsigned short *, unsigned short *); void (*free)(void *); int winch; }; extern const struct chan_ops fd_ops, null_ops, port_ops, pts_ops, pty_ops, tty_ops, xterm_ops; extern void generic_close(int fd, void *unused); extern int generic_read(int fd, char *c_out, void *unused); extern int generic_write(int fd, const char *buf, int n, void *unused); extern int generic_console_write(int fd, const char *buf, int n); extern int generic_window_size(int fd, void *unused, unsigned short *rows_out, unsigned short *cols_out); extern void generic_free(void *data); struct tty_port; extern void register_winch(int fd, struct tty_port *port); extern void register_winch_irq(int fd, int tty_fd, int pid, struct tty_port *port, unsigned long stack); #define __channel_help(fn, prefix) \ __uml_help(fn, prefix "[0-9]*=<channel description>\n" \ " Attach a console or serial line to a host channel. See\n" \ " http://user-mode-linux.sourceforge.net/old/input.html for a complete\n" \ " description of this switch.\n\n" \ ); #endif