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 winsize {
  37         unsigned short ws_row;
  38         unsigned short ws_col;
  39         unsigned short ws_xpixel;
  40         unsigned short ws_ypixel;
  41 };
  42
  43 #ifdef __KERNEL__
  44 #include <linux/module.h>
  45
  46 /*
  47  * c_cc characters in the termio structure.  Oh, how I love being
  48  * backwardly compatible.  Notice that character 4 and 5 are
  49  * interpreted differently depending on whether ICANON is set in
  50  * c_lflag.  If it's set, they are used as _VEOF and _VEOL, otherwise
  51  * as _VMIN and V_TIME.  This is for compatibility with OSF/1 (which
  52  * is compatible with sysV)...
  53  */
  54 #define _VMIN   4
  55 #define _VTIME  5
  56
  57
  58 /*      intr=^C         quit=^\         erase=del       kill=^U
  59         eof=^D          eol=\0          eol2=\0         sxtc=\0
  60         start=^Q        stop=^S         susp=^Z         dsusp=^Y
  61         reprint=^R      discard=^U      werase=^W       lnext=^V
  62         vmin=\1         vtime=\0
  63 */
  64 #define INIT_C_CC "\003\034\177\025\004\000\000\000\021\023\032\031\022\025\027\026\001"
  65
  66 /*
  67  * Translate a "termio" structure into a "termios". Ugh.
  68  */
  69 #define user_termio_to_kernel_termios(termios, termio) \
  70 ({ \
  71         unsigned short tmp; \
  72         get_user(tmp, &(termio)->c_iflag); \
  73         (termios)->c_iflag = (0xffff0000 & ((termios)->c_iflag)) | tmp; \
  74         get_user(tmp, &(termio)->c_oflag); \
  75         (termios)->c_oflag = (0xffff0000 & ((termios)->c_oflag)) | tmp; \
  76         get_user(tmp, &(termio)->c_cflag); \
  77         (termios)->c_cflag = (0xffff0000 & ((termios)->c_cflag)) | tmp; \
  78         get_user(tmp, &(termio)->c_lflag); \
  79         (termios)->c_lflag = (0xffff0000 & ((termios)->c_lflag)) | tmp; \
  80         copy_from_user((termios)->c_cc, (termio)->c_cc, NCC); \
  81         0; \
  82 })
  83
  84 /*
  85  * Translate a "termios" structure into a "termio". Ugh.
  86  *
  87  * Note the "fun" _VMIN overloading.
  88  */
  89 #define kernel_termios_to_user_termio(termio, termios) \
  90 ({ \
  91         put_user((termios)->c_iflag, &(termio)->c_iflag); \
  92         put_user((termios)->c_oflag, &(termio)->c_oflag); \
  93         put_user((termios)->c_cflag, &(termio)->c_cflag); \
  94         put_user((termios)->c_lflag, &(termio)->c_lflag); \
  95         put_user((termios)->c_line,  &(termio)->c_line); \
  96         copy_to_user((termio)->c_cc, (termios)->c_cc, NCC); \
  97         if (!((termios)->c_lflag & ICANON)) { \
  98                 put_user((termios)->c_cc[VMIN], &(termio)->c_cc[_VMIN]); \
  99                 put_user((termios)->c_cc[VTIME], &(termio)->c_cc[_VTIME]); \
 100         } \
 101         0; \
 102 })
 103
 104 #define user_termios_to_kernel_termios(k, u) \
 105 ({ \
 106         int err; \
 107         err  = get_user((k)->c_iflag, &(u)->c_iflag); \
 108         err |= get_user((k)->c_oflag, &(u)->c_oflag); \
 109         err |= get_user((k)->c_cflag, &(u)->c_cflag); \
 110         err |= get_user((k)->c_lflag, &(u)->c_lflag); \
 111         err |= get_user((k)->c_line,  &(u)->c_line); \
 112         err |= copy_from_user((k)->c_cc, (u)->c_cc, NCCS); \
 113         if ((k)->c_lflag & ICANON) { \
 114                 err |= get_user((k)->c_cc[VEOF], &(u)->c_cc[VEOF]); \
 115                 err |= get_user((k)->c_cc[VEOL], &(u)->c_cc[VEOL]); \
 116         } else { \
 117                 err |= get_user((k)->c_cc[VMIN],  &(u)->c_cc[_VMIN]); \
 118                 err |= get_user((k)->c_cc[VTIME], &(u)->c_cc[_VTIME]); \
 119         } \
 120         err |= get_user((k)->c_ispeed,  &(u)->c_ispeed); \
 121         err |= get_user((k)->c_ospeed,  &(u)->c_ospeed); \
 122         err; \
 123 })
 124
 125 #define kernel_termios_to_user_termios(u, k) \
 126 ({ \
 127         int err; \
 128         err  = put_user((k)->c_iflag, &(u)->c_iflag); \
 129         err |= put_user((k)->c_oflag, &(u)->c_oflag); \
 130         err |= put_user((k)->c_cflag, &(u)->c_cflag); \
 131         err |= put_user((k)->c_lflag, &(u)->c_lflag); \
 132         err |= put_user((k)->c_line, &(u)->c_line); \
 133         err |= copy_to_user((u)->c_cc, (k)->c_cc, NCCS); \
 134         if (!((k)->c_lflag & ICANON)) { \
 135                 err |= put_user((k)->c_cc[VMIN],  &(u)->c_cc[_VMIN]); \
 136                 err |= put_user((k)->c_cc[VTIME], &(u)->c_cc[_VTIME]); \
 137         } else { \
 138                 err |= put_user((k)->c_cc[VEOF], &(u)->c_cc[VEOF]); \
 139                 err |= put_user((k)->c_cc[VEOL], &(u)->c_cc[VEOL]); \
 140         } \
 141         err |= put_user((k)->c_ispeed, &(u)->c_ispeed); \
 142         err |= put_user((k)->c_ospeed, &(u)->c_ospeed); \
 143         err; \
 144 })
 145
 146 #define user_termios_to_kernel_termios_1(k, u) \
 147 ({ \
 148         get_user((k)->c_iflag, &(u)->c_iflag); \
 149         get_user((k)->c_oflag, &(u)->c_oflag); \
 150         get_user((k)->c_cflag, &(u)->c_cflag); \
 151         get_user((k)->c_lflag, &(u)->c_lflag); \
 152         get_user((k)->c_line,  &(u)->c_line); \
 153         copy_from_user((k)->c_cc, (u)->c_cc, NCCS); \
 154         if ((k)->c_lflag & ICANON) { \
 155                 get_user((k)->c_cc[VEOF], &(u)->c_cc[VEOF]); \
 156                 get_user((k)->c_cc[VEOL], &(u)->c_cc[VEOL]); \
 157         } else { \
 158                 get_user((k)->c_cc[VMIN],  &(u)->c_cc[_VMIN]); \
 159                 get_user((k)->c_cc[VTIME], &(u)->c_cc[_VTIME]); \
 160         } \
 161         0; \
 162 })
 163
 164 #define kernel_termios_to_user_termios_1(u, k) \
 165 ({ \
 166         put_user((k)->c_iflag, &(u)->c_iflag); \
 167         put_user((k)->c_oflag, &(u)->c_oflag); \
 168         put_user((k)->c_cflag, &(u)->c_cflag); \
 169         put_user((k)->c_lflag, &(u)->c_lflag); \
 170         put_user((k)->c_line, &(u)->c_line); \
 171         copy_to_user((u)->c_cc, (k)->c_cc, NCCS); \
 172         if (!((k)->c_lflag & ICANON)) { \
 173                 put_user((k)->c_cc[VMIN],  &(u)->c_cc[_VMIN]); \
 174                 put_user((k)->c_cc[VTIME], &(u)->c_cc[_VTIME]); \
 175         } else { \
 176                 put_user((k)->c_cc[VEOF], &(u)->c_cc[VEOF]); \
 177                 put_user((k)->c_cc[VEOL], &(u)->c_cc[VEOL]); \
 178         } \
 179         0; \
 180 })
 181
 182 #endif  /* __KERNEL__ */
 183
 184 #endif /* _SPARC_TERMIOS_H */