arch/sparc/include/asm/termios.h

   1 #ifndef _SPARC_TERMIOS_H
   2 #define _SPARC_TERMIOS_H
   3
   4 #include <asm/ioctls.h>
   5 #include <asm/termbits.h>
   6
   7 #if defined(__KERNEL__) || defined(__DEFINE_BSD_TERMIOS)
   8 struct sgttyb {
   9         char    sg_ispeed;
  10         char    sg_ospeed;
  11         char    sg_erase;
  12         char    sg_kill;
  13         short   sg_flags;
  14 };
  15
  16 struct tchars {
  17         char    t_intrc;
  18         char    t_quitc;
  19         char    t_startc;
  20         char    t_stopc;
  21         char    t_eofc;
  22         char    t_brkc;
  23 };
  24
  25 struct ltchars {
  26         char    t_suspc;
  27         char    t_dsuspc;
  28         char    t_rprntc;
  29         char    t_flushc;
  30         char    t_werasc;
  31         char    t_lnextc;
  32 };
  33 #endif /* __KERNEL__ */
  34
  35 struct winsize {
  36         unsigned short ws_row;
  37         unsigned short ws_col;
  38         unsigned short ws_xpixel;
  39         unsigned short ws_ypixel;
  40 };
  41
  42 #ifdef __KERNEL__
  43
  44 /*
  45  * c_cc characters in the termio structure.  Oh, how I love being
  46  * backwardly compatible.  Notice that character 4 and 5 are
  47  * interpreted differently depending on whether ICANON is set in
  48  * c_lflag.  If it's set, they are used as _VEOF and _VEOL, otherwise
  49  * as _VMIN and V_TIME.  This is for compatibility with OSF/1 (which
  50  * is compatible with sysV)...
  51  */
  52 #define _VMIN   4
  53 #define _VTIME  5
  54
  55 /*      intr=^C         quit=^\         erase=del       kill=^U
  56         eof=^D          eol=\0          eol2=\0         sxtc=\0
  57         start=^Q        stop=^S         susp=^Z         dsusp=^Y
  58         reprint=^R      discard=^U      werase=^W       lnext=^V
  59         vmin=\1         vtime=\0
  60 */
  61 #define INIT_C_CC "\003\034\177\025\004\000\000\000\021\023\032\031\022\025\027\026\001"
  62
  63 /*
  64  * Translate a "termio" structure into a "termios". Ugh.
  65  */
  66 #define user_termio_to_kernel_termios(termios, termio) \
  67 ({ \
  68         unsigned short tmp; \
  69         int err; \
  70         err = get_user(tmp, &(termio)->c_iflag); \
  71         (termios)->c_iflag = (0xffff0000 & ((termios)->c_iflag)) | tmp; \
  72         err |= get_user(tmp, &(termio)->c_oflag); \
  73         (termios)->c_oflag = (0xffff0000 & ((termios)->c_oflag)) | tmp; \
  74         err |= get_user(tmp, &(termio)->c_cflag); \
  75         (termios)->c_cflag = (0xffff0000 & ((termios)->c_cflag)) | tmp; \
  76         err |= get_user(tmp, &(termio)->c_lflag); \
  77         (termios)->c_lflag = (0xffff0000 & ((termios)->c_lflag)) | tmp; \
  78         err |= copy_from_user((termios)->c_cc, (termio)->c_cc, NCC); \
  79         err; \
  80 })
  81
  82 /*
  83  * Translate a "termios" structure into a "termio". Ugh.
  84  *
  85  * Note the "fun" _VMIN overloading.
  86  */
  87 #define kernel_termios_to_user_termio(termio, termios) \
  88 ({ \
  89         int err; \
  90         err  = put_user((termios)->c_iflag, &(termio)->c_iflag); \
  91         err |= put_user((termios)->c_oflag, &(termio)->c_oflag); \
  92         err |= put_user((termios)->c_cflag, &(termio)->c_cflag); \
  93         err |= put_user((termios)->c_lflag, &(termio)->c_lflag); \
  94         err |= put_user((termios)->c_line,  &(termio)->c_line); \
  95         err |= copy_to_user((termio)->c_cc, (termios)->c_cc, NCC); \
  96         if (!((termios)->c_lflag & ICANON)) { \
  97                 err |= put_user((termios)->c_cc[VMIN], &(termio)->c_cc[_VMIN]); \
  98                 err |= put_user((termios)->c_cc[VTIME], &(termio)->c_cc[_VTIME]); \
  99         } \
 100         err; \
 101 })
 102
 103 #define user_termios_to_kernel_termios(k, u) \
 104 ({ \
 105         int err; \
 106         err  = get_user((k)->c_iflag, &(u)->c_iflag); \
 107         err |= get_user((k)->c_oflag, &(u)->c_oflag); \
 108         err |= get_user((k)->c_cflag, &(u)->c_cflag); \
 109         err |= get_user((k)->c_lflag, &(u)->c_lflag); \
 110         err |= get_user((k)->c_line,  &(u)->c_line); \
 111         err |= copy_from_user((k)->c_cc, (u)->c_cc, NCCS); \
 112         if ((k)->c_lflag & ICANON) { \
 113                 err |= get_user((k)->c_cc[VEOF], &(u)->c_cc[VEOF]); \
 114                 err |= get_user((k)->c_cc[VEOL], &(u)->c_cc[VEOL]); \
 115         } else { \
 116                 err |= get_user((k)->c_cc[VMIN],  &(u)->c_cc[_VMIN]); \
 117                 err |= get_user((k)->c_cc[VTIME], &(u)->c_cc[_VTIME]); \
 118         } \
 119         err |= get_user((k)->c_ispeed,  &(u)->c_ispeed); \
 120         err |= get_user((k)->c_ospeed,  &(u)->c_ospeed); \
 121         err; \
 122 })
 123
 124 #define kernel_termios_to_user_termios(u, k) \
 125 ({ \
 126         int err; \
 127         err  = put_user((k)->c_iflag, &(u)->c_iflag); \
 128         err |= put_user((k)->c_oflag, &(u)->c_oflag); \
 129         err |= put_user((k)->c_cflag, &(u)->c_cflag); \
 130         err |= put_user((k)->c_lflag, &(u)->c_lflag); \
 131         err |= put_user((k)->c_line, &(u)->c_line); \
 132         err |= copy_to_user((u)->c_cc, (k)->c_cc, NCCS); \
 133         if (!((k)->c_lflag & ICANON)) { \
 134                 err |= put_user((k)->c_cc[VMIN],  &(u)->c_cc[_VMIN]); \
 135                 err |= put_user((k)->c_cc[VTIME], &(u)->c_cc[_VTIME]); \
 136         } else { \
 137                 err |= put_user((k)->c_cc[VEOF], &(u)->c_cc[VEOF]); \
 138                 err |= put_user((k)->c_cc[VEOL], &(u)->c_cc[VEOL]); \
 139         } \
 140         err |= put_user((k)->c_ispeed, &(u)->c_ispeed); \
 141         err |= put_user((k)->c_ospeed, &(u)->c_ospeed); \
 142         err; \
 143 })
 144
 145 #define user_termios_to_kernel_termios_1(k, u) \
 146 ({ \
 147         int err; \
 148         err  = get_user((k)->c_iflag, &(u)->c_iflag); \
 149         err |= get_user((k)->c_oflag, &(u)->c_oflag); \
 150         err |= get_user((k)->c_cflag, &(u)->c_cflag); \
 151         err |= get_user((k)->c_lflag, &(u)->c_lflag); \
 152         err |= get_user((k)->c_line,  &(u)->c_line); \
 153         err |= copy_from_user((k)->c_cc, (u)->c_cc, NCCS); \
 154         if ((k)->c_lflag & ICANON) { \
 155                 err |= get_user((k)->c_cc[VEOF], &(u)->c_cc[VEOF]); \
 156                 err |= get_user((k)->c_cc[VEOL], &(u)->c_cc[VEOL]); \
 157         } else { \
 158                 err |= get_user((k)->c_cc[VMIN],  &(u)->c_cc[_VMIN]); \
 159                 err |= get_user((k)->c_cc[VTIME], &(u)->c_cc[_VTIME]); \
 160         } \
 161         err; \
 162 })
 163
 164 #define kernel_termios_to_user_termios_1(u, k) \
 165 ({ \
 166         int err; \
 167         err  = put_user((k)->c_iflag, &(u)->c_iflag); \
 168         err |= put_user((k)->c_oflag, &(u)->c_oflag); \
 169         err |= put_user((k)->c_cflag, &(u)->c_cflag); \
 170         err |= put_user((k)->c_lflag, &(u)->c_lflag); \
 171         err |= put_user((k)->c_line, &(u)->c_line); \
 172         err |= copy_to_user((u)->c_cc, (k)->c_cc, NCCS); \
 173         if (!((k)->c_lflag & ICANON)) { \
 174                 err |= put_user((k)->c_cc[VMIN],  &(u)->c_cc[_VMIN]); \
 175                 err |= put_user((k)->c_cc[VTIME], &(u)->c_cc[_VTIME]); \
 176         } else { \
 177                 err |= put_user((k)->c_cc[VEOF], &(u)->c_cc[VEOF]); \
 178                 err |= put_user((k)->c_cc[VEOL], &(u)->c_cc[VEOL]); \
 179         } \
 180         err; \
 181 })
 182
 183 #endif  /* __KERNEL__ */
 184
 185 #endif /* _SPARC_TERMIOS_H */