/*- * Copyright (c) 1994-1995 Søren Schmidt * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer * in this position and unchanged. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * 3. The name of the author may not be used to endorse or promote products * derived from this software withough specific prior written permission * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. * * $Id: linux_ioctl.c,v 1.1 1995/06/25 17:32:35 sos Exp $ */ #include #include #include #include #include #include #include #include #include #include #include #include #include struct linux_termios { unsigned long c_iflag; unsigned long c_oflag; unsigned long c_cflag; unsigned long c_lflag; unsigned char c_line; unsigned char c_cc[LINUX_NCCS]; }; struct linux_winsize { unsigned short ws_row, ws_col; unsigned short ws_xpixel, ws_ypixel; }; static struct speedtab sptab[] = { { 0, 0 }, { 50, 1 }, { 75, 2 }, { 110, 3 }, { 134, 4 }, { 135, 4 }, { 150, 5 }, { 200, 6 }, { 300, 7 }, { 600, 8 }, { 1200, 9 }, { 1800, 10 }, { 2400, 11 }, { 4800, 12 }, { 9600, 13 }, { 19200, 14 }, { 38400, 15 }, { 57600, 4097 }, { 115200, 4098 }, {-1, -1 } }; static int linux_to_bsd_speed(int code, struct speedtab *table) { for ( ; table->sp_code != -1; table++) if (table->sp_code == code) return (table->sp_speed); return -1; } static int bsd_to_linux_speed(int speed, struct speedtab *table) { for ( ; table->sp_speed != -1; table++) if (table->sp_speed == speed) return (table->sp_code); return -1; } static void bsd_to_linux_termios(struct termios *bsd_termios, struct linux_termios *linux_termios) { int i, speed; #ifdef DEBUG printf("LINUX: BSD termios structure (input):\n"); printf("i=%08x o=%08x c=%08x l=%08x ispeed=%d ospeed=%d\n", bsd_termios->c_iflag, bsd_termios->c_oflag, bsd_termios->c_cflag, bsd_termios->c_lflag, bsd_termios->c_ispeed, bsd_termios->c_ospeed); printf("c_cc "); for (i=0; ic_cc[i]); printf("\n"); #endif linux_termios->c_iflag = 0; if (bsd_termios->c_iflag & IGNBRK) linux_termios->c_iflag |= LINUX_IGNBRK; if (bsd_termios->c_iflag & BRKINT) linux_termios->c_iflag |= LINUX_BRKINT; if (bsd_termios->c_iflag & IGNPAR) linux_termios->c_iflag |= LINUX_IGNPAR; if (bsd_termios->c_iflag & PARMRK) linux_termios->c_iflag |= LINUX_PARMRK; if (bsd_termios->c_iflag & INPCK) linux_termios->c_iflag |= LINUX_INPCK; if (bsd_termios->c_iflag & ISTRIP) linux_termios->c_iflag |= LINUX_ISTRIP; if (bsd_termios->c_iflag & INLCR) linux_termios->c_iflag |= LINUX_INLCR; if (bsd_termios->c_iflag & IGNCR) linux_termios->c_iflag |= LINUX_IGNCR; if (bsd_termios->c_iflag & ICRNL) linux_termios->c_iflag |= LINUX_ICRNL; if (bsd_termios->c_iflag & IXON) linux_termios->c_iflag |= LINUX_IXANY; if (bsd_termios->c_iflag & IXON) linux_termios->c_iflag |= LINUX_IXON; if (bsd_termios->c_iflag & IXOFF) linux_termios->c_iflag |= LINUX_IXOFF; if (bsd_termios->c_iflag & IMAXBEL) linux_termios->c_iflag |= LINUX_IMAXBEL; linux_termios->c_oflag = 0; if (bsd_termios->c_oflag & OPOST) linux_termios->c_oflag |= LINUX_OPOST; if (bsd_termios->c_oflag & ONLCR) linux_termios->c_oflag |= LINUX_ONLCR; if (bsd_termios->c_oflag & OXTABS) linux_termios->c_oflag |= LINUX_XTABS; linux_termios->c_cflag = bsd_to_linux_speed(bsd_termios->c_ispeed, sptab); linux_termios->c_cflag |= (bsd_termios->c_cflag & CSIZE) >> 4; if (bsd_termios->c_cflag & CSTOPB) linux_termios->c_cflag |= LINUX_CSTOPB; if (bsd_termios->c_cflag & CREAD) linux_termios->c_cflag |= LINUX_CREAD; if (bsd_termios->c_cflag & PARENB) linux_termios->c_cflag |= LINUX_PARENB; if (bsd_termios->c_cflag & PARODD) linux_termios->c_cflag |= LINUX_PARODD; if (bsd_termios->c_cflag & HUPCL) linux_termios->c_cflag |= LINUX_HUPCL; if (bsd_termios->c_cflag & CLOCAL) linux_termios->c_cflag |= LINUX_CLOCAL; if (bsd_termios->c_cflag & CRTSCTS) linux_termios->c_cflag |= LINUX_CRTSCTS; linux_termios->c_lflag = 0; if (bsd_termios->c_lflag & ISIG) linux_termios->c_lflag |= LINUX_ISIG; if (bsd_termios->c_lflag & ICANON) linux_termios->c_lflag |= LINUX_ICANON; if (bsd_termios->c_lflag & ECHO) linux_termios->c_lflag |= LINUX_ECHO; if (bsd_termios->c_lflag & ECHOE) linux_termios->c_lflag |= LINUX_ECHOE; if (bsd_termios->c_lflag & ECHOK) linux_termios->c_lflag |= LINUX_ECHOK; if (bsd_termios->c_lflag & ECHONL) linux_termios->c_lflag |= LINUX_ECHONL; if (bsd_termios->c_lflag & NOFLSH) linux_termios->c_lflag |= LINUX_NOFLSH; if (bsd_termios->c_lflag & TOSTOP) linux_termios->c_lflag |= LINUX_TOSTOP; if (bsd_termios->c_lflag & ECHOCTL) linux_termios->c_lflag |= LINUX_ECHOCTL; if (bsd_termios->c_lflag & ECHOPRT) linux_termios->c_lflag |= LINUX_ECHOPRT; if (bsd_termios->c_lflag & ECHOKE) linux_termios->c_lflag |= LINUX_ECHOKE; if (bsd_termios->c_lflag & FLUSHO) linux_termios->c_lflag |= LINUX_FLUSHO; if (bsd_termios->c_lflag & PENDIN) linux_termios->c_lflag |= LINUX_PENDIN; if (bsd_termios->c_lflag & IEXTEN) linux_termios->c_lflag |= LINUX_IEXTEN; for (i=0; ic_cc[i] = _POSIX_VDISABLE; linux_termios->c_cc[LINUX_VINTR] = bsd_termios->c_cc[VINTR]; linux_termios->c_cc[LINUX_VQUIT] = bsd_termios->c_cc[VQUIT]; linux_termios->c_cc[LINUX_VERASE] = bsd_termios->c_cc[VERASE]; linux_termios->c_cc[LINUX_VKILL] = bsd_termios->c_cc[VKILL]; linux_termios->c_cc[LINUX_VEOF] = bsd_termios->c_cc[VEOF]; linux_termios->c_cc[LINUX_VEOL] = bsd_termios->c_cc[VEOL]; linux_termios->c_cc[LINUX_VMIN] = bsd_termios->c_cc[VMIN]; linux_termios->c_cc[LINUX_VTIME] = bsd_termios->c_cc[VTIME]; linux_termios->c_cc[LINUX_VEOL2] = bsd_termios->c_cc[VEOL2]; linux_termios->c_cc[LINUX_VSWTC] = _POSIX_VDISABLE; linux_termios->c_cc[LINUX_VSUSP] = bsd_termios->c_cc[VSUSP]; linux_termios->c_cc[LINUX_VSTART] = bsd_termios->c_cc[VSTART]; linux_termios->c_cc[LINUX_VSTOP] = bsd_termios->c_cc[VSTOP]; linux_termios->c_cc[LINUX_VREPRINT] = bsd_termios->c_cc[VREPRINT]; linux_termios->c_cc[LINUX_VDISCARD] = bsd_termios->c_cc[VDISCARD]; linux_termios->c_cc[LINUX_VWERASE] = bsd_termios->c_cc[VWERASE]; linux_termios->c_cc[LINUX_VLNEXT] = bsd_termios->c_cc[VLNEXT]; linux_termios->c_line = 0; #ifdef DEBUG printf("LINUX: LINUX termios structure (output):\n"); printf("i=%08x o=%08x c=%08x l=%08x line=%d\n", linux_termios->c_iflag, linux_termios->c_oflag, linux_termios->c_cflag, linux_termios->c_lflag, linux_termios->c_line); printf("c_cc "); for (i=0; ic_cc[i]); printf("\n"); #endif } static void linux_to_bsd_termios(struct linux_termios *linux_termios, struct termios *bsd_termios) { int i, speed; #ifdef DEBUG printf("LINUX: LINUX termios structure (input):\n"); printf("i=%08x o=%08x c=%08x l=%08x line=%d\n", linux_termios->c_iflag, linux_termios->c_oflag, linux_termios->c_cflag, linux_termios->c_lflag, linux_termios->c_line); printf("c_cc "); for (i=0; ic_cc[i]); printf("\n"); #endif bsd_termios->c_iflag = 0; if (linux_termios->c_iflag & LINUX_IGNBRK) bsd_termios->c_iflag |= IGNBRK; if (linux_termios->c_iflag & LINUX_BRKINT) bsd_termios->c_iflag |= BRKINT; if (linux_termios->c_iflag & LINUX_IGNPAR) bsd_termios->c_iflag |= IGNPAR; if (linux_termios->c_iflag & LINUX_PARMRK) bsd_termios->c_iflag |= PARMRK; if (linux_termios->c_iflag & LINUX_INPCK) bsd_termios->c_iflag |= INPCK; if (linux_termios->c_iflag & LINUX_ISTRIP) bsd_termios->c_iflag |= ISTRIP; if (linux_termios->c_iflag & LINUX_INLCR) bsd_termios->c_iflag |= INLCR; if (linux_termios->c_iflag & LINUX_IGNCR) bsd_termios->c_iflag |= IGNCR; if (linux_termios->c_iflag & LINUX_ICRNL) bsd_termios->c_iflag |= ICRNL; if (linux_termios->c_iflag & LINUX_IXON) bsd_termios->c_iflag |= IXANY; if (linux_termios->c_iflag & LINUX_IXON) bsd_termios->c_iflag |= IXON; if (linux_termios->c_iflag & LINUX_IXOFF) bsd_termios->c_iflag |= IXOFF; if (linux_termios->c_iflag & LINUX_IMAXBEL) bsd_termios->c_iflag |= IMAXBEL; bsd_termios->c_oflag = 0; if (linux_termios->c_oflag & LINUX_OPOST) bsd_termios->c_oflag |= OPOST; if (linux_termios->c_oflag & LINUX_ONLCR) bsd_termios->c_oflag |= ONLCR; if (linux_termios->c_oflag & LINUX_XTABS) bsd_termios->c_oflag |= OXTABS; bsd_termios->c_cflag = (linux_termios->c_cflag & LINUX_CSIZE) << 4; if (linux_termios->c_cflag & LINUX_CSTOPB) bsd_termios->c_cflag |= CSTOPB; if (linux_termios->c_cflag & LINUX_PARENB) bsd_termios->c_cflag |= PARENB; if (linux_termios->c_cflag & LINUX_PARODD) bsd_termios->c_cflag |= PARODD; if (linux_termios->c_cflag & LINUX_HUPCL) bsd_termios->c_cflag |= HUPCL; if (linux_termios->c_cflag & LINUX_CLOCAL) bsd_termios->c_cflag |= CLOCAL; if (linux_termios->c_cflag & LINUX_CRTSCTS) bsd_termios->c_cflag |= CRTSCTS; bsd_termios->c_lflag = 0; if (linux_termios->c_lflag & LINUX_ISIG) bsd_termios->c_lflag |= ISIG; if (linux_termios->c_lflag & LINUX_ICANON) bsd_termios->c_lflag |= ICANON; if (linux_termios->c_lflag & LINUX_ECHO) bsd_termios->c_lflag |= ECHO; if (linux_termios->c_lflag & LINUX_ECHOE) bsd_termios->c_lflag |= ECHOE; if (linux_termios->c_lflag & LINUX_ECHOK) bsd_termios->c_lflag |= ECHOK; if (linux_termios->c_lflag & LINUX_ECHONL) bsd_termios->c_lflag |= ECHONL; if (linux_termios->c_lflag & LINUX_NOFLSH) bsd_termios->c_lflag |= NOFLSH; if (linux_termios->c_lflag & LINUX_TOSTOP) bsd_termios->c_lflag |= TOSTOP; if (linux_termios->c_lflag & LINUX_ECHOCTL) bsd_termios->c_lflag |= ECHOCTL; if (linux_termios->c_lflag & LINUX_ECHOPRT) bsd_termios->c_lflag |= ECHOPRT; if (linux_termios->c_lflag & LINUX_ECHOKE) bsd_termios->c_lflag |= ECHOKE; if (linux_termios->c_lflag & LINUX_FLUSHO) bsd_termios->c_lflag |= FLUSHO; if (linux_termios->c_lflag & LINUX_PENDIN) bsd_termios->c_lflag |= PENDIN; if (linux_termios->c_lflag & IEXTEN) bsd_termios->c_lflag |= IEXTEN; for (i=0; ic_cc[i] = _POSIX_VDISABLE; bsd_termios->c_cc[VINTR] = linux_termios->c_cc[LINUX_VINTR]; bsd_termios->c_cc[VQUIT] = linux_termios->c_cc[LINUX_VQUIT]; bsd_termios->c_cc[VERASE] = linux_termios->c_cc[LINUX_VERASE]; bsd_termios->c_cc[VKILL] = linux_termios->c_cc[LINUX_VKILL]; bsd_termios->c_cc[VEOF] = linux_termios->c_cc[LINUX_VEOF]; bsd_termios->c_cc[VEOL] = linux_termios->c_cc[LINUX_VEOL]; bsd_termios->c_cc[VMIN] = linux_termios->c_cc[LINUX_VMIN]; bsd_termios->c_cc[VTIME] = linux_termios->c_cc[LINUX_VTIME]; bsd_termios->c_cc[VEOL2] = linux_termios->c_cc[LINUX_VEOL2]; bsd_termios->c_cc[VSUSP] = linux_termios->c_cc[LINUX_VSUSP]; bsd_termios->c_cc[VSTART] = linux_termios->c_cc[LINUX_VSTART]; bsd_termios->c_cc[VSTOP] = linux_termios->c_cc[LINUX_VSTOP]; bsd_termios->c_cc[VREPRINT] = linux_termios->c_cc[LINUX_VREPRINT]; bsd_termios->c_cc[VDISCARD] = linux_termios->c_cc[LINUX_VDISCARD]; bsd_termios->c_cc[VWERASE] = linux_termios->c_cc[LINUX_VWERASE]; bsd_termios->c_cc[VLNEXT] = linux_termios->c_cc[LINUX_VLNEXT]; bsd_termios->c_ispeed = bsd_termios->c_ospeed = linux_to_bsd_speed(linux_termios->c_cflag & LINUX_CBAUD, sptab); #ifdef DEBUG printf("LINUX: BSD termios structure (output):\n"); printf("i=%08x o=%08x c=%08x l=%08x ispeed=%d ospeed=%d\n", bsd_termios->c_iflag, bsd_termios->c_oflag, bsd_termios->c_cflag, bsd_termios->c_lflag, bsd_termios->c_ispeed, bsd_termios->c_ospeed); printf("c_cc "); for (i=0; ic_cc[i]); printf("\n"); #endif } struct linux_ioctl_args { int fd; int cmd; int arg; }; int linux_ioctl(struct proc *p, struct linux_ioctl_args *args, int *retval) { struct termios bsd_termios; struct winsize bsd_winsize; struct linux_termios linux_termios; struct linux_winsize linux_winsize; struct filedesc *fdp = p->p_fd; struct file *fp; int (*func)(struct file *fp, int com, caddr_t data, struct proc *p); int bsd_line, linux_line; int error; #ifdef DEBUG printf("Linux-emul(%d): ioctl(%d, %04x, *)\n", p->p_pid, args->fd, args->cmd); #endif if ((unsigned)args->fd >= fdp->fd_nfiles || (fp = fdp->fd_ofiles[args->fd]) == 0) return EBADF; if (!fp || (fp->f_flag & (FREAD | FWRITE)) == 0) { return EBADF; } func = fp->f_ops->fo_ioctl; switch (args->cmd) { case LINUX_TCGETS: if ((error = (*func)(fp, TIOCGETA, (caddr_t)&bsd_termios, p)) != 0) return error; bsd_to_linux_termios(&bsd_termios, &linux_termios); return copyout((caddr_t)&linux_termios, (caddr_t)args->arg, sizeof(linux_termios)); case LINUX_TCSETS: linux_to_bsd_termios((struct linux_termios *)args->arg, &bsd_termios); return (*func)(fp, TIOCSETA, (caddr_t)&bsd_termios, p); case LINUX_TCSETSW: linux_to_bsd_termios((struct linux_termios *)args->arg, &bsd_termios); return (*func)(fp, TIOCSETAW, (caddr_t)&bsd_termios, p); case LINUX_TCSETSF: linux_to_bsd_termios((struct linux_termios *)args->arg, &bsd_termios); return (*func)(fp, TIOCSETAF, (caddr_t)&bsd_termios, p); case LINUX_TIOCGPGRP: args->cmd = TIOCGPGRP; return ioctl(p, args, retval); case LINUX_TIOCSPGRP: args->cmd = TIOCSPGRP; return ioctl(p, args, retval); case LINUX_TIOCGWINSZ: args->cmd = TIOCGWINSZ; return ioctl(p, args, retval); case LINUX_TIOCSWINSZ: args->cmd = TIOCSWINSZ; return ioctl(p, args, retval); case LINUX_FIONREAD: args->cmd = FIONREAD; return ioctl(p, args, retval); case LINUX_FIONBIO: args->cmd = FIONBIO; return ioctl(p, args, retval); case LINUX_FIOASYNC: args->cmd = FIOASYNC; return ioctl(p, args, retval); case LINUX_FIONCLEX: args->cmd = FIONCLEX; return ioctl(p, args, retval); case LINUX_FIOCLEX: args->cmd = FIOCLEX; return ioctl(p, args, retval); case LINUX_TIOCEXCL: args->cmd = TIOCEXCL; return ioctl(p, args, retval); case LINUX_TIOCNXCL: args->cmd = TIOCNXCL; return ioctl(p, args, retval); case LINUX_TIOCCONS: args->cmd = TIOCCONS; return ioctl(p, args, retval); case LINUX_TIOCNOTTY: args->cmd = TIOCNOTTY; return ioctl(p, args, retval); case LINUX_TIOCSETD: switch (args->arg) { case LINUX_N_TTY: bsd_line = TTYDISC; return (*func)(fp, TIOCSETD, (caddr_t)&bsd_line, p); case LINUX_N_SLIP: bsd_line = SLIPDISC; return (*func)(fp, TIOCSETD, (caddr_t)&bsd_line, p); case LINUX_N_PPP: bsd_line = PPPDISC; return (*func)(fp, TIOCSETD, (caddr_t)&bsd_line, p); default: return EINVAL; } break; case LINUX_TIOCGETD: bsd_line = TTYDISC; if (error =(*func)(fp, TIOCSETD, (caddr_t)&bsd_line, p)) return error; switch (bsd_line) { case TTYDISC: linux_line = LINUX_N_TTY; break; case SLIPDISC: linux_line = LINUX_N_SLIP; break; case PPPDISC: linux_line = LINUX_N_PPP; break; default: return EINVAL; } return copyout(&linux_line, (caddr_t)args->arg, sizeof(int)); } uprintf("LINUX: 'ioctl' fd=%d, typ=0x%x(%c), num=0x%x not implemented\n", args->fd, (args->cmd&0xffff00)>>8, (args->cmd&0xffff00)>>8, args->cmd&0xff); return EINVAL; }