release/src-rt-6.x/linux/linux-2.6/include/asm-sparc64/termios.h

   1 /* $Id: termios.h,v 1.11 2001/06/01 08:12:11 davem Exp $ */
   2 #ifndef _SPARC64_TERMIOS_H
   3 #define _SPARC64_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 /*      intr=^C         quit=^\         erase=del       kill=^U
  63         eof=^D          eol=\0          eol2=\0         sxtc=\0
  64         start=^Q        stop=^S         susp=^Z         dsusp=^Y
  65         reprint=^R      discard=^U      werase=^W       lnext=^V
  66         vmin=\1         vtime=\0
  67 */
  68 #define INIT_C_CC "\003\034\177\025\004\000\000\000\021\023\032\031\022\025\027\026\001"
  69
  70 /*
  71  * Translate a "termio" structure into a "termios". Ugh.
  72  */
  73 #define user_termio_to_kernel_termios(termios, termio) \
  74 ({ \
  75         unsigned short tmp; \
  76         int err; \
  77         err = get_user(tmp, &(termio)->c_iflag); \
  78         (termios)->c_iflag = (0xffff0000 & ((termios)->c_iflag)) | tmp; \
  79         err |= get_user(tmp, &(termio)->c_oflag); \
  80         (termios)->c_oflag = (0xffff0000 & ((termios)->c_oflag)) | tmp; \
  81         err |= get_user(tmp, &(termio)->c_cflag); \
  82         (termios)->c_cflag = (0xffff0000 & ((termios)->c_cflag)) | tmp; \
  83         err |= get_user(tmp, &(termio)->c_lflag); \
  84         (termios)->c_lflag = (0xffff0000 & ((termios)->c_lflag)) | tmp; \
  85         err |= copy_from_user((termios)->c_cc, (termio)->c_cc, NCC); \
  86         err; \
  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         int err; \
  97         err  = put_user((termios)->c_iflag, &(termio)->c_iflag); \
  98         err |= put_user((termios)->c_oflag, &(termio)->c_oflag); \
  99         err |= put_user((termios)->c_cflag, &(termio)->c_cflag); \
 100         err |= put_user((termios)->c_lflag, &(termio)->c_lflag); \
 101         err |= put_user((termios)->c_line,  &(termio)->c_line); \
 102         err |= copy_to_user((termio)->c_cc, (termios)->c_cc, NCC); \
 103         if (!((termios)->c_lflag & ICANON)) { \
 104                 err |= put_user((termios)->c_cc[VMIN], &(termio)->c_cc[_VMIN]); \
 105                 err |= put_user((termios)->c_cc[VTIME], &(termio)->c_cc[_VTIME]); \
 106         } \
 107         err; \
 108 })
 109
 110 #define user_termios_to_kernel_termios(k, u) \
 111 ({ \
 112         int err; \
 113         err  = get_user((k)->c_iflag, &(u)->c_iflag); \
 114         err |= get_user((k)->c_oflag, &(u)->c_oflag); \
 115         err |= get_user((k)->c_cflag, &(u)->c_cflag); \
 116         err |= get_user((k)->c_lflag, &(u)->c_lflag); \
 117         err |= get_user((k)->c_line,  &(u)->c_line); \
 118         err |= copy_from_user((k)->c_cc, (u)->c_cc, NCCS); \
 119         if((k)->c_lflag & ICANON) { \
 120                 err |= get_user((k)->c_cc[VEOF], &(u)->c_cc[VEOF]); \
 121                 err |= get_user((k)->c_cc[VEOL], &(u)->c_cc[VEOL]); \
 122         } else { \
 123                 err |= get_user((k)->c_cc[VMIN],  &(u)->c_cc[_VMIN]); \
 124                 err |= get_user((k)->c_cc[VTIME], &(u)->c_cc[_VTIME]); \
 125         } \
 126         err; \
 127 })
 128
 129 #define kernel_termios_to_user_termios(u, k) \
 130 ({ \
 131         int err; \
 132         err  = put_user((k)->c_iflag, &(u)->c_iflag); \
 133         err |= put_user((k)->c_oflag, &(u)->c_oflag); \
 134         err |= put_user((k)->c_cflag, &(u)->c_cflag); \
 135         err |= put_user((k)->c_lflag, &(u)->c_lflag); \
 136         err |= put_user((k)->c_line, &(u)->c_line); \
 137         err |= copy_to_user((u)->c_cc, (k)->c_cc, NCCS); \
 138         if(!((k)->c_lflag & ICANON)) { \
 139                 err |= put_user((k)->c_cc[VMIN],  &(u)->c_cc[_VMIN]); \
 140                 err |= put_user((k)->c_cc[VTIME], &(u)->c_cc[_VTIME]); \
 141         } else { \
 142                 err |= put_user((k)->c_cc[VEOF], &(u)->c_cc[VEOF]); \
 143                 err |= put_user((k)->c_cc[VEOL], &(u)->c_cc[VEOL]); \
 144         } \
 145         err; \
 146 })
 147
 148 #endif  /* __KERNEL__ */
 149
 150 #endif /* _SPARC64_TERMIOS_H */