termios.h revision 732f0462d59721764843783d790a613613287b33
11da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* 21da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * This file is subject to the terms and conditions of the GNU General Public 31da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * License. See the file "COPYING" in the main directory of this archive 41da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * for more details. 51da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 61da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Copyright (C) 1995, 1996, 2000, 2001 by Ralf Baechle 71da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Copyright (C) 2000, 2001 Silicon Graphics, Inc. 81da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds */ 91da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#ifndef _ASM_TERMIOS_H 101da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define _ASM_TERMIOS_H 111da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 12732f0462d59721764843783d790a613613287b33Ralf Baechle#include <linux/errno.h> 131da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#include <asm/termbits.h> 141da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#include <asm/ioctls.h> 151da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 161da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstruct sgttyb { 171da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds char sg_ispeed; 181da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds char sg_ospeed; 191da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds char sg_erase; 201da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds char sg_kill; 211da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds int sg_flags; /* SGI special - int, not short */ 221da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds}; 231da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 241da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstruct tchars { 251da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds char t_intrc; 261da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds char t_quitc; 271da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds char t_startc; 281da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds char t_stopc; 291da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds char t_eofc; 301da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds char t_brkc; 311da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds}; 321da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 331da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstruct ltchars { 341da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds char t_suspc; /* stop process signal */ 351da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds char t_dsuspc; /* delayed stop process signal */ 361da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds char t_rprntc; /* reprint line */ 371da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds char t_flushc; /* flush output (toggles) */ 381da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds char t_werasc; /* word erase */ 391da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds char t_lnextc; /* literal next character */ 401da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds}; 411da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 421da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* TIOCGSIZE, TIOCSSIZE not defined yet. Only needed for SunOS source 431da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds compatibility anyway ... */ 441da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 451da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstruct winsize { 461da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds unsigned short ws_row; 471da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds unsigned short ws_col; 481da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds unsigned short ws_xpixel; 491da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds unsigned short ws_ypixel; 501da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds}; 511da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 521da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define NCC 8 531da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstruct termio { 541da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds unsigned short c_iflag; /* input mode flags */ 551da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds unsigned short c_oflag; /* output mode flags */ 561da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds unsigned short c_cflag; /* control mode flags */ 571da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds unsigned short c_lflag; /* local mode flags */ 581da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds char c_line; /* line discipline */ 591da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds unsigned char c_cc[NCCS]; /* control characters */ 601da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds}; 611da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 621da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#ifdef __KERNEL__ 631da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#include <linux/module.h> 641da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 651da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* 661da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * intr=^C quit=^\ erase=del kill=^U 671da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * vmin=\1 vtime=\0 eol2=\0 swtc=\0 681da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * start=^Q stop=^S susp=^Z vdsusp= 691da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * reprint=^R discard=^U werase=^W lnext=^V 701da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * eof=^D eol=\0 711da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds */ 721da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define INIT_C_CC "\003\034\177\025\1\0\0\0\021\023\032\0\022\017\027\026\004\0" 731da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#endif 741da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 751da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* modem lines */ 761da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define TIOCM_LE 0x001 /* line enable */ 771da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define TIOCM_DTR 0x002 /* data terminal ready */ 781da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define TIOCM_RTS 0x004 /* request to send */ 791da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define TIOCM_ST 0x010 /* secondary transmit */ 801da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define TIOCM_SR 0x020 /* secondary receive */ 811da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define TIOCM_CTS 0x040 /* clear to send */ 821da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define TIOCM_CAR 0x100 /* carrier detect */ 831da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define TIOCM_CD TIOCM_CAR 841da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define TIOCM_RNG 0x200 /* ring */ 851da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define TIOCM_RI TIOCM_RNG 861da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define TIOCM_DSR 0x400 /* data set ready */ 871da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define TIOCM_OUT1 0x2000 881da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define TIOCM_OUT2 0x4000 891da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define TIOCM_LOOP 0x8000 901da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 911da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#ifdef __KERNEL__ 921da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 931da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#include <linux/string.h> 941da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 951da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* 961da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Translate a "termio" structure into a "termios". Ugh. 971da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds */ 98732f0462d59721764843783d790a613613287b33Ralf Baechlestatic inline int user_termio_to_kernel_termios(struct ktermios *termios, 99732f0462d59721764843783d790a613613287b33Ralf Baechle struct termio __user *termio) 100732f0462d59721764843783d790a613613287b33Ralf Baechle{ 101732f0462d59721764843783d790a613613287b33Ralf Baechle unsigned short iflag, oflag, cflag, lflag; 102732f0462d59721764843783d790a613613287b33Ralf Baechle unsigned int err; 103732f0462d59721764843783d790a613613287b33Ralf Baechle 104732f0462d59721764843783d790a613613287b33Ralf Baechle if (!access_ok(VERIFY_READ, termio, sizeof(struct termio))) 105732f0462d59721764843783d790a613613287b33Ralf Baechle return -EFAULT; 106732f0462d59721764843783d790a613613287b33Ralf Baechle 107732f0462d59721764843783d790a613613287b33Ralf Baechle err = __get_user(iflag, &termio->c_iflag); 108732f0462d59721764843783d790a613613287b33Ralf Baechle termios->c_iflag = (termios->c_iflag & 0xffff0000) | iflag; 109732f0462d59721764843783d790a613613287b33Ralf Baechle err |=__get_user(oflag, &termio->c_oflag); 110732f0462d59721764843783d790a613613287b33Ralf Baechle termios->c_oflag = (termios->c_oflag & 0xffff0000) | oflag; 111732f0462d59721764843783d790a613613287b33Ralf Baechle err |=__get_user(cflag, &termio->c_cflag); 112732f0462d59721764843783d790a613613287b33Ralf Baechle termios->c_cflag = (termios->c_cflag & 0xffff0000) | cflag; 113732f0462d59721764843783d790a613613287b33Ralf Baechle err |=__get_user(lflag, &termio->c_lflag); 114732f0462d59721764843783d790a613613287b33Ralf Baechle termios->c_lflag = (termios->c_lflag & 0xffff0000) | lflag; 115732f0462d59721764843783d790a613613287b33Ralf Baechle err |=__get_user(termios->c_line, &termio->c_line); 116732f0462d59721764843783d790a613613287b33Ralf Baechle if (err) 117732f0462d59721764843783d790a613613287b33Ralf Baechle return -EFAULT; 118732f0462d59721764843783d790a613613287b33Ralf Baechle 119732f0462d59721764843783d790a613613287b33Ralf Baechle if (__copy_from_user(termios->c_cc, termio->c_cc, NCC)) 120732f0462d59721764843783d790a613613287b33Ralf Baechle return -EFAULT; 121732f0462d59721764843783d790a613613287b33Ralf Baechle 122732f0462d59721764843783d790a613613287b33Ralf Baechle return 0; 123732f0462d59721764843783d790a613613287b33Ralf Baechle} 1241da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1251da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* 1261da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Translate a "termios" structure into a "termio". Ugh. 1271da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds */ 128732f0462d59721764843783d790a613613287b33Ralf Baechlestatic inline int kernel_termios_to_user_termio(struct termio __user *termio, 129732f0462d59721764843783d790a613613287b33Ralf Baechle struct ktermios *termios) 130732f0462d59721764843783d790a613613287b33Ralf Baechle{ 131732f0462d59721764843783d790a613613287b33Ralf Baechle int err; 132732f0462d59721764843783d790a613613287b33Ralf Baechle 133732f0462d59721764843783d790a613613287b33Ralf Baechle if (!access_ok(VERIFY_WRITE, termio, sizeof(struct termio))) 134732f0462d59721764843783d790a613613287b33Ralf Baechle return -EFAULT; 135732f0462d59721764843783d790a613613287b33Ralf Baechle 136732f0462d59721764843783d790a613613287b33Ralf Baechle err = __put_user(termios->c_iflag, &termio->c_iflag); 137732f0462d59721764843783d790a613613287b33Ralf Baechle err |= __put_user(termios->c_oflag, &termio->c_oflag); 138732f0462d59721764843783d790a613613287b33Ralf Baechle err |= __put_user(termios->c_cflag, &termio->c_cflag); 139732f0462d59721764843783d790a613613287b33Ralf Baechle err |= __put_user(termios->c_lflag, &termio->c_lflag); 140732f0462d59721764843783d790a613613287b33Ralf Baechle err |= __put_user(termios->c_line, &termio->c_line); 141732f0462d59721764843783d790a613613287b33Ralf Baechle if (err) 142732f0462d59721764843783d790a613613287b33Ralf Baechle return -EFAULT; 143732f0462d59721764843783d790a613613287b33Ralf Baechle 144732f0462d59721764843783d790a613613287b33Ralf Baechle if (__copy_to_user(termio->c_cc, termios->c_cc, NCC)) 145732f0462d59721764843783d790a613613287b33Ralf Baechle return -EFAULT; 146732f0462d59721764843783d790a613613287b33Ralf Baechle 147732f0462d59721764843783d790a613613287b33Ralf Baechle return 0; 148732f0462d59721764843783d790a613613287b33Ralf Baechle} 149732f0462d59721764843783d790a613613287b33Ralf Baechle 150732f0462d59721764843783d790a613613287b33Ralf Baechlestatic inline int user_termios_to_kernel_termios(struct ktermios __user *k, 151732f0462d59721764843783d790a613613287b33Ralf Baechle struct termios2 *u) 152732f0462d59721764843783d790a613613287b33Ralf Baechle{ 153732f0462d59721764843783d790a613613287b33Ralf Baechle return copy_from_user(k, u, sizeof(struct termios2)) ? -EFAULT : 0; 154732f0462d59721764843783d790a613613287b33Ralf Baechle} 155732f0462d59721764843783d790a613613287b33Ralf Baechle 156732f0462d59721764843783d790a613613287b33Ralf Baechlestatic inline int kernel_termios_to_user_termios(struct termios2 __user *u, 157732f0462d59721764843783d790a613613287b33Ralf Baechle struct ktermios *k) 158732f0462d59721764843783d790a613613287b33Ralf Baechle{ 159732f0462d59721764843783d790a613613287b33Ralf Baechle return copy_to_user(u, k, sizeof(struct termios2)) ? -EFAULT : 0; 160732f0462d59721764843783d790a613613287b33Ralf Baechle} 161732f0462d59721764843783d790a613613287b33Ralf Baechle 162732f0462d59721764843783d790a613613287b33Ralf Baechlestatic inline int user_termios_to_kernel_termios_1(struct ktermios *k, 163732f0462d59721764843783d790a613613287b33Ralf Baechle struct termios __user *u) 164732f0462d59721764843783d790a613613287b33Ralf Baechle{ 165732f0462d59721764843783d790a613613287b33Ralf Baechle return copy_from_user(k, u, sizeof(struct termios)) ? -EFAULT : 0; 166732f0462d59721764843783d790a613613287b33Ralf Baechle} 167732f0462d59721764843783d790a613613287b33Ralf Baechle 168732f0462d59721764843783d790a613613287b33Ralf Baechlestatic inline int kernel_termios_to_user_termios_1(struct termios __user *u, 169732f0462d59721764843783d790a613613287b33Ralf Baechle struct ktermios *k) 170732f0462d59721764843783d790a613613287b33Ralf Baechle{ 171732f0462d59721764843783d790a613613287b33Ralf Baechle return copy_to_user(u, k, sizeof(struct termios)) ? -EFAULT : 0; 172732f0462d59721764843783d790a613613287b33Ralf Baechle} 1731da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1741da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#endif /* defined(__KERNEL__) */ 1751da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1761da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#endif /* _ASM_TERMIOS_H */ 177