54 lines
1.6 KiB
C
54 lines
1.6 KiB
C
/* SPDX-License-Identifier: GPL-2.0 */
|
|
/*
|
|
* Copyright (C) 2000, 2001 Jeff Dike (jdike@karaya.com)
|
|
*/
|
|
|
|
#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;
|
|
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
|