include/asm-s390/termios.h

   1 /*
   2  *  include/asm-s390/termios.h
   3  *
   4  *  S390 version
   5  *
   6  *  Derived from "include/asm-i386/termios.h"
   7  */
   8
   9 #ifndef _S390_TERMIOS_H
  10 #define _S390_TERMIOS_H
  11
  12 #include <asm/termbits.h>
  13 #include <asm/ioctls.h>
  14
  15 struct winsize {
  16         unsigned short ws_row;
  17         unsigned short ws_col;
  18         unsigned short ws_xpixel;
  19         unsigned short ws_ypixel;
  20 };
  21
  22 #define NCC 8
  23 struct termio {
  24         unsigned short c_iflag;         /* input mode flags */
  25         unsigned short c_oflag;         /* output mode flags */
  26         unsigned short c_cflag;         /* control mode flags */
  27         unsigned short c_lflag;         /* local mode flags */
  28         unsigned char c_line;           /* line discipline */
  29         unsigned char c_cc[NCC];        /* control characters */
  30 };
  31
  32 /* modem lines */
  33 #define TIOCM_LE        0x001
  34 #define TIOCM_DTR       0x002
  35 #define TIOCM_RTS       0x004
  36 #define TIOCM_ST        0x008
  37 #define TIOCM_SR        0x010
  38 #define TIOCM_CTS       0x020
  39 #define TIOCM_CAR       0x040
  40 #define TIOCM_RNG       0x080
  41 #define TIOCM_DSR       0x100
  42 #define TIOCM_CD        TIOCM_CAR
  43 #define TIOCM_RI        TIOCM_RNG
  44 #define TIOCM_OUT1      0x2000
  45 #define TIOCM_OUT2      0x4000
  46 #define TIOCM_LOOP      0x8000
  47
  48 /* ioctl (fd, TIOCSERGETLSR, &result) where result may be as below */
  49
  50 /* line disciplines */
  51 #define N_TTY           0
  52 #define N_SLIP          1
  53 #define N_MOUSE         2
  54 #define N_PPP           3
  55 #define N_STRIP         4
  56 #define N_AX25          5
  57 #define N_X25           6       /* X.25 async */
  58 #define N_6PACK         7
  59 #define N_MASC          8       /* Reserved for Mobitex module <kaz@cafe.net> */
  60 #define N_R3964         9       /* Reserved for Simatic R3964 module */
  61 #define N_PROFIBUS_FDL  10      /* Reserved for Profibus <Dave@mvhi.com> */
  62 #define N_IRDA          11      /* Linux IR - http://irda.sourceforge.net/ */
  63 #define N_SMSBLOCK      12      /* SMS block mode - for talking to GSM data cards about SMS messages */
  64 #define N_HDLC          13      /* synchronous HDLC */
  65 #define N_SYNC_PPP      14      /* synchronous PPP */
  66 #define N_HCI           15  /* Bluetooth HCI UART */
  67
  68 #ifdef __KERNEL__
  69
  70 /*      intr=^C         quit=^\         erase=del       kill=^U
  71         eof=^D          vtime=\0        vmin=\1         sxtc=\0
  72         start=^Q        stop=^S         susp=^Z         eol=\0
  73         reprint=^R      discard=^U      werase=^W       lnext=^V
  74         eol2=\0
  75 */
  76 #define INIT_C_CC "\003\034\177\025\004\0\1\0\021\023\032\0\022\017\027\026\0"
  77
  78 /*
  79  * Translate a "termio" structure into a "termios". Ugh.
  80  */
  81 #define SET_LOW_TERMIOS_BITS(termios, termio, x) { \
  82         unsigned short __tmp; \
  83         get_user(__tmp,&(termio)->x); \
  84         (termios)->x = (0xffff0000 & ((termios)->x)) | __tmp; \
  85 }
  86
  87 #define user_termio_to_kernel_termios(termios, termio) \
  88 ({ \
  89         SET_LOW_TERMIOS_BITS(termios, termio, c_iflag); \
  90         SET_LOW_TERMIOS_BITS(termios, termio, c_oflag); \
  91         SET_LOW_TERMIOS_BITS(termios, termio, c_cflag); \
  92         SET_LOW_TERMIOS_BITS(termios, termio, c_lflag); \
  93         copy_from_user((termios)->c_cc, (termio)->c_cc, NCC); \
  94 })
  95
  96 /*
  97  * Translate a "termios" structure into a "termio". Ugh.
  98  */
  99 #define kernel_termios_to_user_termio(termio, termios) \
 100 ({ \
 101         put_user((termios)->c_iflag, &(termio)->c_iflag); \
 102         put_user((termios)->c_oflag, &(termio)->c_oflag); \
 103         put_user((termios)->c_cflag, &(termio)->c_cflag); \
 104         put_user((termios)->c_lflag, &(termio)->c_lflag); \
 105         put_user((termios)->c_line,  &(termio)->c_line); \
 106         copy_to_user((termio)->c_cc, (termios)->c_cc, NCC); \
 107 })
 108
 109 #define user_termios_to_kernel_termios(k, u) copy_from_user(k, u, sizeof(struct termios))
 110 #define kernel_termios_to_user_termios(u, k) copy_to_user(u, k, sizeof(struct termios))
 111
 112 #endif  /* __KERNEL__ */
 113
 114 #endif  /* _S390_TERMIOS_H */