linux-old/include/asm-i386/termios.h
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   1#ifndef _I386_TERMIOS_H
   2#define _I386_TERMIOS_H
   3
   4#include <asm/termbits.h>
   5#include <asm/ioctls.h>
   6
   7struct winsize {
   8        unsigned short ws_row;
   9        unsigned short ws_col;
  10        unsigned short ws_xpixel;
  11        unsigned short ws_ypixel;
  12};
  13
  14#define NCC 8
  15struct termio {
  16        unsigned short c_iflag;         /* input mode flags */
  17        unsigned short c_oflag;         /* output mode flags */
  18        unsigned short c_cflag;         /* control mode flags */
  19        unsigned short c_lflag;         /* local mode flags */
  20        unsigned char c_line;           /* line discipline */
  21        unsigned char c_cc[NCC];        /* control characters */
  22};
  23
  24/* modem lines */
  25#define TIOCM_LE        0x001
  26#define TIOCM_DTR       0x002
  27#define TIOCM_RTS       0x004
  28#define TIOCM_ST        0x008
  29#define TIOCM_SR        0x010
  30#define TIOCM_CTS       0x020
  31#define TIOCM_CAR       0x040
  32#define TIOCM_RNG       0x080
  33#define TIOCM_DSR       0x100
  34#define TIOCM_CD        TIOCM_CAR
  35#define TIOCM_RI        TIOCM_RNG
  36#define TIOCM_OUT1      0x2000
  37#define TIOCM_OUT2      0x4000
  38#define TIOCM_LOOP      0x8000
  39
  40#define TIOCM_MODEM_BITS       TIOCM_OUT2      /* IRDA support */
  41
  42/* ioctl (fd, TIOCSERGETLSR, &result) where result may be as below */
  43
  44/* line disciplines */
  45#define N_TTY           0
  46#define N_SLIP          1
  47#define N_MOUSE         2
  48#define N_PPP           3
  49#define N_STRIP         4
  50#define N_AX25          5
  51#define N_X25           6       /* X.25 async */
  52#define N_6PACK         7
  53#define N_MASC          8       /* Reserved for Mobitex module <kaz@cafe.net> */
  54#define N_R3964         9       /* Reserved for Simatic R3964 module */
  55#define N_PROFIBUS_FDL  10      /* Reserved for Profibus <Dave@mvhi.com> */
  56#define N_IRDA          11      /* Linux IR - http://irda.sourceforge.net/ */
  57#define N_SMSBLOCK      12      /* SMS block mode - for talking to GSM data cards about SMS messages */
  58#define N_HDLC          13      /* synchronous HDLC */
  59#define N_SYNC_PPP      14      /* synchronous PPP */
  60#define N_HCI           15  /* Bluetooth HCI UART */
  61
  62#ifdef __KERNEL__
  63
  64/*      intr=^C         quit=^\         erase=del       kill=^U
  65        eof=^D          vtime=\0        vmin=\1         sxtc=\0
  66        start=^Q        stop=^S         susp=^Z         eol=\0
  67        reprint=^R      discard=^U      werase=^W       lnext=^V
  68        eol2=\0
  69*/
  70#define INIT_C_CC "\003\034\177\025\004\0\1\0\021\023\032\0\022\017\027\026\0"
  71
  72/*
  73 * Translate a "termio" structure into a "termios". Ugh.
  74 */
  75#define SET_LOW_TERMIOS_BITS(termios, termio, x) { \
  76        unsigned short __tmp; \
  77        get_user(__tmp,&(termio)->x); \
  78        *(unsigned short *) &(termios)->x = __tmp; \
  79}
  80
  81#define user_termio_to_kernel_termios(termios, termio) \
  82({ \
  83        SET_LOW_TERMIOS_BITS(termios, termio, c_iflag); \
  84        SET_LOW_TERMIOS_BITS(termios, termio, c_oflag); \
  85        SET_LOW_TERMIOS_BITS(termios, termio, c_cflag); \
  86        SET_LOW_TERMIOS_BITS(termios, termio, c_lflag); \
  87        copy_from_user((termios)->c_cc, (termio)->c_cc, NCC); \
  88})
  89
  90/*
  91 * Translate a "termios" structure into a "termio". Ugh.
  92 */
  93#define kernel_termios_to_user_termio(termio, termios) \
  94({ \
  95        put_user((termios)->c_iflag, &(termio)->c_iflag); \
  96        put_user((termios)->c_oflag, &(termio)->c_oflag); \
  97        put_user((termios)->c_cflag, &(termio)->c_cflag); \
  98        put_user((termios)->c_lflag, &(termio)->c_lflag); \
  99        put_user((termios)->c_line,  &(termio)->c_line); \
 100        copy_to_user((termio)->c_cc, (termios)->c_cc, NCC); \
 101})
 102
 103#define user_termios_to_kernel_termios(k, u) copy_from_user(k, u, sizeof(struct termios))
 104#define kernel_termios_to_user_termios(u, k) copy_to_user(u, k, sizeof(struct termios))
 105
 106#endif  /* __KERNEL__ */
 107
 108#endif  /* _I386_TERMIOS_H */
 109
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