include/asm-sparc/termios.h

   1 /* $Id: termios.h,v 1.32 2001/06/01 08:12:11 davem Exp $ */
   2 #ifndef _SPARC_TERMIOS_H
   3 #define _SPARC_TERMIOS_H
   4
   5 #include <asm/ioctls.h>
   6 #include <asm/termbits.h>
   7
   8 #if defined(__KERNEL__) || defined(__DEFINE_BSD_TERMIOS)
   9 struct sgttyb {
  10         char    sg_ispeed;
  11         char    sg_ospeed;
  12         char    sg_erase;
  13         char    sg_kill;
  14         short   sg_flags;
  15 };
  16
  17 struct tchars {
  18         char    t_intrc;
  19         char    t_quitc;
  20         char    t_startc;
  21         char    t_stopc;
  22         char    t_eofc;
  23         char    t_brkc;
  24 };
  25
  26 struct ltchars {
  27         char    t_suspc;
  28         char    t_dsuspc;
  29         char    t_rprntc;
  30         char    t_flushc;
  31         char    t_werasc;
  32         char    t_lnextc;
  33 };
  34 #endif /* __KERNEL__ */
  35
  36 struct sunos_ttysize {
  37         int st_lines;   /* Lines on the terminal */
  38         int st_columns; /* Columns on the terminal */
  39 };
  40
  41 struct winsize {
  42         unsigned short ws_row;
  43         unsigned short ws_col;
  44         unsigned short ws_xpixel;
  45         unsigned short ws_ypixel;
  46 };
  47
  48 #ifdef __KERNEL__
  49 #include <linux/module.h>
  50
  51 /*
  52  * c_cc characters in the termio structure.  Oh, how I love being
  53  * backwardly compatible.  Notice that character 4 and 5 are
  54  * interpreted differently depending on whether ICANON is set in
  55  * c_lflag.  If it's set, they are used as _VEOF and _VEOL, otherwise
  56  * as _VMIN and V_TIME.  This is for compatibility with OSF/1 (which
  57  * is compatible with sysV)...
  58  */
  59 #define _VMIN   4
  60 #define _VTIME  5
  61
  62
  63 /*      intr=^C         quit=^\         erase=del       kill=^U
  64         eof=^D          eol=\0          eol2=\0         sxtc=\0
  65         start=^Q        stop=^S         susp=^Z         dsusp=^Y
  66         reprint=^R      discard=^U      werase=^W       lnext=^V
  67         vmin=\1         vtime=\0
  68 */
  69 #define INIT_C_CC "\003\034\177\025\004\000\000\000\021\023\032\031\022\025\027\026\001"
  70
  71 /*
  72  * Translate a "termio" structure into a "termios". Ugh.
  73  */
  74 #define user_termio_to_kernel_termios(termios, termio) \
  75 ({ \
  76         unsigned short tmp; \
  77         get_user(tmp, &(termio)->c_iflag); \
  78         (termios)->c_iflag = (0xffff0000 & ((termios)->c_iflag)) | tmp; \
  79         get_user(tmp, &(termio)->c_oflag); \
  80         (termios)->c_oflag = (0xffff0000 & ((termios)->c_oflag)) | tmp; \
  81         get_user(tmp, &(termio)->c_cflag); \
  82         (termios)->c_cflag = (0xffff0000 & ((termios)->c_cflag)) | tmp; \
  83         get_user(tmp, &(termio)->c_lflag); \
  84         (termios)->c_lflag = (0xffff0000 & ((termios)->c_lflag)) | tmp; \
  85         copy_from_user((termios)->c_cc, (termio)->c_cc, NCC); \
  86         0; \
  87 })
  88
  89 /*
  90  * Translate a "termios" structure into a "termio". Ugh.
  91  *
  92  * Note the "fun" _VMIN overloading.
  93  */
  94 #define kernel_termios_to_user_termio(termio, termios) \
  95 ({ \
  96         put_user((termios)->c_iflag, &(termio)->c_iflag); \
  97         put_user((termios)->c_oflag, &(termio)->c_oflag); \
  98         put_user((termios)->c_cflag, &(termio)->c_cflag); \
  99         put_user((termios)->c_lflag, &(termio)->c_lflag); \
 100         put_user((termios)->c_line,  &(termio)->c_line); \
 101         copy_to_user((termio)->c_cc, (termios)->c_cc, NCC); \
 102         if (!((termios)->c_lflag & ICANON)) { \
 103                 put_user((termios)->c_cc[VMIN], &(termio)->c_cc[_VMIN]); \
 104                 put_user((termios)->c_cc[VTIME], &(termio)->c_cc[_VTIME]); \
 105         } \
 106         0; \
 107 })
 108
 109 #define user_termios_to_kernel_termios(k, u) \
 110 ({ \
 111         get_user((k)->c_iflag, &(u)->c_iflag); \
 112         get_user((k)->c_oflag, &(u)->c_oflag); \
 113         get_user((k)->c_cflag, &(u)->c_cflag); \
 114         get_user((k)->c_lflag, &(u)->c_lflag); \
 115         get_user((k)->c_line,  &(u)->c_line); \
 116         copy_from_user((k)->c_cc, (u)->c_cc, NCCS); \
 117         if((k)->c_lflag & ICANON) { \
 118                 get_user((k)->c_cc[VEOF], &(u)->c_cc[VEOF]); \
 119                 get_user((k)->c_cc[VEOL], &(u)->c_cc[VEOL]); \
 120         } else { \
 121                 get_user((k)->c_cc[VMIN],  &(u)->c_cc[_VMIN]); \
 122                 get_user((k)->c_cc[VTIME], &(u)->c_cc[_VTIME]); \
 123         } \
 124         0; \
 125 })
 126
 127 #define kernel_termios_to_user_termios(u, k) \
 128 ({ \
 129         put_user((k)->c_iflag, &(u)->c_iflag); \
 130         put_user((k)->c_oflag, &(u)->c_oflag); \
 131         put_user((k)->c_cflag, &(u)->c_cflag); \
 132         put_user((k)->c_lflag, &(u)->c_lflag); \
 133         put_user((k)->c_line, &(u)->c_line); \
 134         copy_to_user((u)->c_cc, (k)->c_cc, NCCS); \
 135         if(!((k)->c_lflag & ICANON)) { \
 136                 put_user((k)->c_cc[VMIN],  &(u)->c_cc[_VMIN]); \
 137                 put_user((k)->c_cc[VTIME], &(u)->c_cc[_VTIME]); \
 138         } else { \
 139                 put_user((k)->c_cc[VEOF], &(u)->c_cc[VEOF]); \
 140                 put_user((k)->c_cc[VEOL], &(u)->c_cc[VEOL]); \
 141         } \
 142         0; \
 143 })
 144
 145 #endif  /* __KERNEL__ */
 146
 147 #endif /* _SPARC_TERMIOS_H */