include/linux/termios_internal.h

   1 /* SPDX-License-Identifier: GPL-2.0 */
   2 #ifndef _LINUX_TERMIOS_CONV_H
   3 #define _LINUX_TERMIOS_CONV_H
   4
   5 #include <linux/uaccess.h>
   6 #include <asm/termios.h>
   7
   8 /*      intr=^C         quit=^\         erase=del       kill=^U
   9         eof=^D          vtime=\0        vmin=\1         sxtc=\0
  10         start=^Q        stop=^S         susp=^Z         eol=\0
  11         reprint=^R      discard=^O      werase=^W       lnext=^V
  12         eol2=\0
  13 */
  14
  15 #ifdef VDSUSP
  16 #define INIT_C_CC_VDSUSP_EXTRA [VDSUSP] = 'Y'-0x40,
  17 #else
  18 #define INIT_C_CC_VDSUSP_EXTRA
  19 #endif
  20
  21 #define INIT_C_CC {             \
  22         [VINTR] = 'C'-0x40,     \
  23         [VQUIT] = '\\'-0x40,    \
  24         [VERASE] = '\177',      \
  25         [VKILL] = 'U'-0x40,     \
  26         [VEOF] = 'D'-0x40,      \
  27         [VSTART] = 'Q'-0x40,    \
  28         [VSTOP] = 'S'-0x40,     \
  29         [VSUSP] = 'Z'-0x40,     \
  30         [VREPRINT] = 'R'-0x40,  \
  31         [VDISCARD] = 'O'-0x40,  \
  32         [VWERASE] = 'W'-0x40,   \
  33         [VLNEXT] = 'V'-0x40,    \
  34         INIT_C_CC_VDSUSP_EXTRA  \
  35         [VMIN] = 1 }
  36
  37 int user_termio_to_kernel_termios(struct ktermios *, struct termio __user *);
  38 int kernel_termios_to_user_termio(struct termio __user *, struct ktermios *);
  39 #ifdef TCGETS2
  40 int user_termios_to_kernel_termios(struct ktermios *, struct termios2 __user *);
  41 int kernel_termios_to_user_termios(struct termios2 __user *, struct ktermios *);
  42 int user_termios_to_kernel_termios_1(struct ktermios *, struct termios __user *);
  43 int kernel_termios_to_user_termios_1(struct termios __user *, struct ktermios *);
  44 #else /* TCGETS2 */
  45 int user_termios_to_kernel_termios(struct ktermios *, struct termios __user *);
  46 int kernel_termios_to_user_termios(struct termios __user *, struct ktermios *);
  47 #endif /* TCGETS2 */
  48
  49 #endif /* _LINUX_TERMIOS_CONV_H */