#ifndef _ALPHA_TERMIOS_H #define _ALPHA_TERMIOS_H #include <uapi/asm/termios.h> /* eof=^D eol=\0 eol2=\0 erase=del werase=^W kill=^U reprint=^R sxtc=\0 intr=^C quit=^\ susp=^Z <OSF/1 VDSUSP> start=^Q stop=^S lnext=^V discard=^U vmin=\1 vtime=\0 */ #define INIT_C_CC "\004\000\000\177\027\025\022\000\003\034\032\000\021\023\026\025\001\000" /* * Translate a "termio" structure into a "termios". Ugh. */ #define user_termio_to_kernel_termios(a_termios, u_termio) \ ({ \ struct ktermios *k_termios = (a_termios); \ struct termio k_termio; \ int canon, ret; \ \ ret = copy_from_user(&k_termio, u_termio, sizeof(k_termio)); \ if (!ret) { \ /* Overwrite only the low bits. */ \ *(unsigned short *)&k_termios->c_iflag = k_termio.c_iflag; \ *(unsigned short *)&k_termios->c_oflag = k_termio.c_oflag; \ *(unsigned short *)&k_termios->c_cflag = k_termio.c_cflag; \ *(unsigned short *)&k_termios->c_lflag = k_termio.c_lflag; \ canon = k_termio.c_lflag & ICANON; \ \ k_termios->c_cc[VINTR] = k_termio.c_cc[_VINTR]; \ k_termios->c_cc[VQUIT] = k_termio.c_cc[_VQUIT]; \ k_termios->c_cc[VERASE] = k_termio.c_cc[_VERASE]; \ k_termios->c_cc[VKILL] = k_termio.c_cc[_VKILL]; \ k_termios->c_cc[VEOL2] = k_termio.c_cc[_VEOL2]; \ k_termios->c_cc[VSWTC] = k_termio.c_cc[_VSWTC]; \ k_termios->c_cc[canon ? VEOF : VMIN] = k_termio.c_cc[_VEOF]; \ k_termios->c_cc[canon ? VEOL : VTIME] = k_termio.c_cc[_VEOL]; \ } \ ret; \ }) /* * Translate a "termios" structure into a "termio". Ugh. * * Note the "fun" _VMIN overloading. */ #define kernel_termios_to_user_termio(u_termio, a_termios) \ ({ \ struct ktermios *k_termios = (a_termios); \ struct termio k_termio; \ int canon; \ \ k_termio.c_iflag = k_termios->c_iflag; \ k_termio.c_oflag = k_termios->c_oflag; \ k_termio.c_cflag = k_termios->c_cflag; \ canon = (k_termio.c_lflag = k_termios->c_lflag) & ICANON; \ \ k_termio.c_line = k_termios->c_line; \ k_termio.c_cc[_VINTR] = k_termios->c_cc[VINTR]; \ k_termio.c_cc[_VQUIT] = k_termios->c_cc[VQUIT]; \ k_termio.c_cc[_VERASE] = k_termios->c_cc[VERASE]; \ k_termio.c_cc[_VKILL] = k_termios->c_cc[VKILL]; \ k_termio.c_cc[_VEOF] = k_termios->c_cc[canon ? VEOF : VMIN]; \ k_termio.c_cc[_VEOL] = k_termios->c_cc[canon ? VEOL : VTIME]; \ k_termio.c_cc[_VEOL2] = k_termios->c_cc[VEOL2]; \ k_termio.c_cc[_VSWTC] = k_termios->c_cc[VSWTC]; \ \ copy_to_user(u_termio, &k_termio, sizeof(k_termio)); \ }) #define user_termios_to_kernel_termios(k, u) \ copy_from_user(k, u, sizeof(struct termios)) #define kernel_termios_to_user_termios(u, k) \ copy_to_user(u, k, sizeof(struct termios)) #endif /* _ALPHA_TERMIOS_H */