You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
154 lines
4.0 KiB
154 lines
4.0 KiB
#ifndef _ASM_GENERIC_TERMIOS_H
|
|
#define _ASM_GENERIC_TERMIOS_H
|
|
/*
|
|
* Most architectures have straight copies of the x86 code, with
|
|
* varying levels of bug fixes on top. Usually it's a good idea
|
|
* to use this generic version instead, but be careful to avoid
|
|
* ABI changes.
|
|
* New architectures should not provide their own version.
|
|
*/
|
|
|
|
#include <asm/termbits.h>
|
|
#include <asm/ioctls.h>
|
|
|
|
struct winsize {
|
|
unsigned short ws_row;
|
|
unsigned short ws_col;
|
|
unsigned short ws_xpixel;
|
|
unsigned short ws_ypixel;
|
|
};
|
|
|
|
#define NCC 8
|
|
struct termio {
|
|
unsigned short c_iflag; /* input mode flags */
|
|
unsigned short c_oflag; /* output mode flags */
|
|
unsigned short c_cflag; /* control mode flags */
|
|
unsigned short c_lflag; /* local mode flags */
|
|
unsigned char c_line; /* line discipline */
|
|
unsigned char c_cc[NCC]; /* control characters */
|
|
};
|
|
|
|
/* modem lines */
|
|
#define TIOCM_LE 0x001
|
|
#define TIOCM_DTR 0x002
|
|
#define TIOCM_RTS 0x004
|
|
#define TIOCM_ST 0x008
|
|
#define TIOCM_SR 0x010
|
|
#define TIOCM_CTS 0x020
|
|
#define TIOCM_CAR 0x040
|
|
#define TIOCM_RNG 0x080
|
|
#define TIOCM_DSR 0x100
|
|
#define TIOCM_CD TIOCM_CAR
|
|
#define TIOCM_RI TIOCM_RNG
|
|
#define TIOCM_OUT1 0x2000
|
|
#define TIOCM_OUT2 0x4000
|
|
#define TIOCM_LOOP 0x8000
|
|
|
|
/* ioctl (fd, TIOCSERGETLSR, &result) where result may be as below */
|
|
|
|
#ifdef __KERNEL__
|
|
|
|
#include <asm/uaccess.h>
|
|
|
|
/* intr=^C quit=^\ erase=del kill=^U
|
|
eof=^D vtime=\0 vmin=\1 sxtc=\0
|
|
start=^Q stop=^S susp=^Z eol=\0
|
|
reprint=^R discard=^U werase=^W lnext=^V
|
|
eol2=\0
|
|
*/
|
|
#define INIT_C_CC "\003\034\177\025\004\0\1\0\021\023\032\0\022\017\027\026\0"
|
|
|
|
/*
|
|
* Translate a "termio" structure into a "termios". Ugh.
|
|
*/
|
|
static inline int user_termio_to_kernel_termios(struct ktermios *termios,
|
|
const struct termio __user *termio)
|
|
{
|
|
unsigned short tmp;
|
|
|
|
if (get_user(tmp, &termio->c_iflag) < 0)
|
|
goto fault;
|
|
termios->c_iflag = (0xffff0000 & termios->c_iflag) | tmp;
|
|
|
|
if (get_user(tmp, &termio->c_oflag) < 0)
|
|
goto fault;
|
|
termios->c_oflag = (0xffff0000 & termios->c_oflag) | tmp;
|
|
|
|
if (get_user(tmp, &termio->c_cflag) < 0)
|
|
goto fault;
|
|
termios->c_cflag = (0xffff0000 & termios->c_cflag) | tmp;
|
|
|
|
if (get_user(tmp, &termio->c_lflag) < 0)
|
|
goto fault;
|
|
termios->c_lflag = (0xffff0000 & termios->c_lflag) | tmp;
|
|
|
|
if (get_user(termios->c_line, &termio->c_line) < 0)
|
|
goto fault;
|
|
|
|
if (copy_from_user(termios->c_cc, termio->c_cc, NCC) != 0)
|
|
goto fault;
|
|
|
|
return 0;
|
|
|
|
fault:
|
|
return -EFAULT;
|
|
}
|
|
|
|
/*
|
|
* Translate a "termios" structure into a "termio". Ugh.
|
|
*/
|
|
static inline int kernel_termios_to_user_termio(struct termio __user *termio,
|
|
struct ktermios *termios)
|
|
{
|
|
if (put_user(termios->c_iflag, &termio->c_iflag) < 0 ||
|
|
put_user(termios->c_oflag, &termio->c_oflag) < 0 ||
|
|
put_user(termios->c_cflag, &termio->c_cflag) < 0 ||
|
|
put_user(termios->c_lflag, &termio->c_lflag) < 0 ||
|
|
put_user(termios->c_line, &termio->c_line) < 0 ||
|
|
copy_to_user(termio->c_cc, termios->c_cc, NCC) != 0)
|
|
return -EFAULT;
|
|
|
|
return 0;
|
|
}
|
|
|
|
#ifdef TCGETS2
|
|
static inline int user_termios_to_kernel_termios(struct ktermios *k,
|
|
struct termios2 __user *u)
|
|
{
|
|
return copy_from_user(k, u, sizeof(struct termios2));
|
|
}
|
|
|
|
static inline int kernel_termios_to_user_termios(struct termios2 __user *u,
|
|
struct ktermios *k)
|
|
{
|
|
return copy_to_user(u, k, sizeof(struct termios2));
|
|
}
|
|
|
|
static inline int user_termios_to_kernel_termios_1(struct ktermios *k,
|
|
struct termios __user *u)
|
|
{
|
|
return copy_from_user(k, u, sizeof(struct termios));
|
|
}
|
|
|
|
static inline int kernel_termios_to_user_termios_1(struct termios __user *u,
|
|
struct ktermios *k)
|
|
{
|
|
return copy_to_user(u, k, sizeof(struct termios));
|
|
}
|
|
#else /* TCGETS2 */
|
|
static inline int user_termios_to_kernel_termios(struct ktermios *k,
|
|
struct termios __user *u)
|
|
{
|
|
return copy_from_user(k, u, sizeof(struct termios));
|
|
}
|
|
|
|
static inline int kernel_termios_to_user_termios(struct termios __user *u,
|
|
struct ktermios *k)
|
|
{
|
|
return copy_to_user(u, k, sizeof(struct termios));
|
|
}
|
|
#endif /* TCGETS2 */
|
|
|
|
#endif /* __KERNEL__ */
|
|
|
|
#endif /* _ASM_GENERIC_TERMIOS_H */
|
|
|