예제 #1
0
static int dz_ioctl(struct tty_struct *tty, struct file *file,
		    unsigned int cmd, unsigned long arg)
{
	struct dz_serial *info = (struct dz_serial *) tty->driver_data;
	int retval;

	if ((cmd != TIOCGSERIAL) && (cmd != TIOCSSERIAL) &&
	    (cmd != TIOCSERCONFIG) && (cmd != TIOCSERGWILD) &&
	    (cmd != TIOCSERSWILD) && (cmd != TIOCSERGSTRUCT)) {
		if (tty->flags & (1 << TTY_IO_ERROR))
			return -EIO;
	}
	switch (cmd) {
	case TCSBRK:		/* SVID version: non-zero arg --> no break */
		retval = tty_check_change(tty);
		if (retval)
			return retval;
		tty_wait_until_sent(tty, 0);
		if (!arg)
			send_break(info, HZ / 4);	/* 1/4 second */
		return 0;

	case TCSBRKP:		/* support for POSIX tcsendbreak() */
		retval = tty_check_change(tty);
		if (retval)
			return retval;
		tty_wait_until_sent(tty, 0);
		send_break(info, arg ? arg * (HZ / 10) : HZ / 4);
		return 0;

	case TIOCGSOFTCAR:
		return put_user(C_CLOCAL(tty) ? 1 : 0, (unsigned long *) arg);

	case TIOCSSOFTCAR:
		if (get_user(arg, (unsigned long *) arg))
			return -EFAULT;
		tty->termios->c_cflag = ((tty->termios->c_cflag & ~CLOCAL) |
		                         (arg ? CLOCAL : 0));
		return 0;

	case TIOCGSERIAL:
		return get_serial_info(info, (struct serial_struct *) arg);

	case TIOCSSERIAL:
		return set_serial_info(info, (struct serial_struct *) arg);

	case TIOCSERGETLSR:	/* Get line status register */
		return get_lsr_info(info, (unsigned int *) arg);

	case TIOCSERGSTRUCT:
		return copy_to_user((struct dz_serial *) arg, info,
				 sizeof(struct dz_serial)) ? -EFAULT : 0;

	default:
		return -ENOIOCTLCMD;
	}

	return 0;
}
예제 #2
0
static int rs_ioctl(struct tty_struct *tty,
		    unsigned int cmd, unsigned long arg)
{
	struct m68k_serial * info = (struct m68k_serial *)tty->driver_data;
	int retval;

	if (serial_paranoia_check(info, tty->name, "rs_ioctl"))
		return -ENODEV;

	if ((cmd != TIOCGSERIAL) && (cmd != TIOCSSERIAL) &&
	    (cmd != TIOCSERCONFIG) && (cmd != TIOCSERGWILD)  &&
	    (cmd != TIOCSERSWILD) && (cmd != TIOCSERGSTRUCT)) {
		if (tty->flags & (1 << TTY_IO_ERROR))
		    return -EIO;
	}

	switch (cmd) {
		case TCSBRK:	/* SVID version: non-zero arg --> no break */
			retval = tty_check_change(tty);
			if (retval)
				return retval;
			tty_wait_until_sent(tty, 0);
			if (!arg)
				send_break(info, 250);	/* 1/4 second */
			return 0;
		case TCSBRKP:	/* support for POSIX tcsendbreak() */
			retval = tty_check_change(tty);
			if (retval)
				return retval;
			tty_wait_until_sent(tty, 0);
			send_break(info, arg ? arg*(100) : 250);
			return 0;
		case TIOCGSERIAL:
			return get_serial_info(info,
				       (struct serial_struct *) arg);
		case TIOCSSERIAL:
			return set_serial_info(info,
					       (struct serial_struct *) arg);
		case TIOCSERGETLSR: /* Get line status register */
			return get_lsr_info(info, (unsigned int *) arg);
		case TIOCSERGSTRUCT:
			if (copy_to_user((struct m68k_serial *) arg,
				    info, sizeof(struct m68k_serial)))
				return -EFAULT;
			return 0;
		default:
			return -ENOIOCTLCMD;
		}
	return 0;
}
예제 #3
0
static int acm_tty_ioctl(struct tty_struct *tty,
					unsigned int cmd, unsigned long arg)
{
	struct acm *acm = tty->driver_data;
	int rv = -ENOIOCTLCMD;

	switch (cmd) {
	case TIOCGSERIAL: /* gets serial port data */
		rv = get_serial_info(acm, (struct serial_struct __user *) arg);
		break;
	case TIOCSSERIAL:
		rv = set_serial_info(acm, (struct serial_struct __user *) arg);
		break;
	}

	return rv;
}
예제 #4
0
static int csvt_ctrl_ioctl(struct tty_struct *tty, unsigned int cmd,
	unsigned long arg)
{
	struct usb_serial_port	*port = tty->driver_data;

	dev_dbg(&port->dev, "%s cmd 0x%04x", __func__, cmd);

	switch (cmd) {
	case TIOCGSERIAL:
		return get_serial_info(port,
				       (struct serial_struct __user *) arg);
	case TIOCSSERIAL:
		return set_serial_info(port,
				       (struct serial_struct __user *) arg);
	default:
		break;
	}

	dev_err(&port->dev, "%s arg not supported", __func__);

	return -ENOIOCTLCMD;
}
예제 #5
0
파일: amiserial.c 프로젝트: kprog/linux
static int rs_ioctl(struct tty_struct *tty,
		    unsigned int cmd, unsigned long arg)
{
	struct serial_state *info = tty->driver_data;
	struct async_icount cprev, cnow;	/* kernel counter temps */
	void __user *argp = (void __user *)arg;
	unsigned long flags;

	if (serial_paranoia_check(info, tty->name, "rs_ioctl"))
		return -ENODEV;

	if ((cmd != TIOCGSERIAL) && (cmd != TIOCSSERIAL) &&
	    (cmd != TIOCSERCONFIG) && (cmd != TIOCSERGSTRUCT) &&
	    (cmd != TIOCMIWAIT) && (cmd != TIOCGICOUNT)) {
		if (tty->flags & (1 << TTY_IO_ERROR))
		    return -EIO;
	}

	switch (cmd) {
		case TIOCGSERIAL:
			return get_serial_info(tty, info, argp);
		case TIOCSSERIAL:
			return set_serial_info(tty, info, argp);
		case TIOCSERCONFIG:
			return 0;

		case TIOCSERGETLSR: /* Get line status register */
			return get_lsr_info(info, argp);

		case TIOCSERGSTRUCT:
			if (copy_to_user(argp,
					 info, sizeof(struct serial_state)))
				return -EFAULT;
			return 0;

		/*
		 * Wait for any of the 4 modem inputs (DCD,RI,DSR,CTS) to change
		 * - mask passed in arg for lines of interest
 		 *   (use |'ed TIOCM_RNG/DSR/CD/CTS for masking)
		 * Caller should use TIOCGICOUNT to see which one it was
		 */
		case TIOCMIWAIT:
			local_irq_save(flags);
			/* note the counters on entry */
			cprev = info->icount;
			local_irq_restore(flags);
			while (1) {
				interruptible_sleep_on(&info->tport.delta_msr_wait);
				/* see if a signal did it */
				if (signal_pending(current))
					return -ERESTARTSYS;
				local_irq_save(flags);
				cnow = info->icount; /* atomic copy */
				local_irq_restore(flags);
				if (cnow.rng == cprev.rng && cnow.dsr == cprev.dsr && 
				    cnow.dcd == cprev.dcd && cnow.cts == cprev.cts)
					return -EIO; /* no change => error */
				if ( ((arg & TIOCM_RNG) && (cnow.rng != cprev.rng)) ||
				     ((arg & TIOCM_DSR) && (cnow.dsr != cprev.dsr)) ||
				     ((arg & TIOCM_CD)  && (cnow.dcd != cprev.dcd)) ||
				     ((arg & TIOCM_CTS) && (cnow.cts != cprev.cts)) ) {
					return 0;
				}
				cprev = cnow;
			}
			/* NOTREACHED */

		case TIOCSERGWILD:
		case TIOCSERSWILD:
			/* "setserial -W" is called in Debian boot */
			printk ("TIOCSER?WILD ioctl obsolete, ignored.\n");
			return 0;

		default:
			return -ENOIOCTLCMD;
		}
	return 0;
}
static int xmbrs_ioctl(struct tty_struct *tty, struct file * file,
		    unsigned int cmd, unsigned long arg)
{
	struct xmb_serial * info = (struct xmb_serial *)tty->driver_data;
	unsigned int val;
	int retval, error;
	int dtr, rts;

	if (serial_paranoia_check(info, tty->device, "xmbrs_ioctl"))
		return -ENODEV;

	if ((cmd != TIOCGSERIAL) && (cmd != TIOCSSERIAL) &&
	    (cmd != TIOCSERCONFIG) && (cmd != TIOCSERGWILD)  &&
	    (cmd != TIOCSERSWILD) && (cmd != TIOCSERGSTRUCT)) {
		if (tty->flags & (1 << TTY_IO_ERROR))
		    return -EIO;
	}
	
	switch (cmd) {
		case TCSBRK:	/* SVID version: non-zero arg --> no break */
			retval = tty_check_change(tty);
			if (retval)
				return retval;
			tty_wait_until_sent(tty, 0);
			if (!arg)
				send_break(info, HZ/4);	/* 1/4 second */
			return 0;
		case TCSBRKP:	/* support for POSIX tcsendbreak() */
			retval = tty_check_change(tty);
			if (retval)
				return retval;
			tty_wait_until_sent(tty, 0);
			send_break(info, arg ? arg*(HZ/10) : HZ/4);
			return 0;
		case TIOCGSOFTCAR:
			error = verify_area(VERIFY_WRITE, (void *) arg,sizeof(long));
			if (error)
				return error;
			put_user(C_CLOCAL(tty) ? 1 : 0,
				    (unsigned long *) arg);
			return 0;
		case TIOCSSOFTCAR:
			get_user(arg, (unsigned long *) arg);
			tty->termios->c_cflag =
				((tty->termios->c_cflag & ~CLOCAL) |
				 (arg ? CLOCAL : 0));
			return 0;
		case TIOCGSERIAL:
			error = verify_area(VERIFY_WRITE, (void *) arg,
						sizeof(struct serial_struct));
			if (error)
				return error;
			return get_serial_info(info,
					       (struct serial_struct *) arg);
		case TIOCSSERIAL:
			return set_serial_info(info,
					       (struct serial_struct *) arg);
		case TIOCSERGETLSR: /* Get line status register */
			error = verify_area(VERIFY_WRITE, (void *) arg,
				sizeof(unsigned int));
			if (error)
				return error;
			else
			    return get_lsr_info(info, (unsigned int *) arg);

		case TIOCSERGSTRUCT:
			error = verify_area(VERIFY_WRITE, (void *) arg,
						sizeof(struct xmb_serial));
			if (error)
				return error;
			copy_to_user((struct xmb_serial *) arg,
				    info, sizeof(struct xmb_serial));
			return 0;
			
		case TIOCMGET:
			if ((error = verify_area(VERIFY_WRITE, (void *) arg,
                            sizeof(unsigned int))))
                                return(error);
			val = 0;
			put_user(val, (unsigned int *) arg);
			break;

                case TIOCMBIS:
			if ((error = verify_area(VERIFY_WRITE, (void *) arg,
                            sizeof(unsigned int))))
				return(error);

			get_user(val, (unsigned int *) arg);
			rts = (val & TIOCM_RTS) ? 1 : -1;
			dtr = (val & TIOCM_DTR) ? 1 : -1;
			break;

                case TIOCMBIC:
			if ((error = verify_area(VERIFY_WRITE, (void *) arg,
                            sizeof(unsigned int))))
				return(error);
			get_user(val, (unsigned int *) arg);
			rts = (val & TIOCM_RTS) ? 0 : -1;
			dtr = (val & TIOCM_DTR) ? 0 : -1;
			break;

                case TIOCMSET:
			if ((error = verify_area(VERIFY_WRITE, (void *) arg,
                            sizeof(unsigned int))))
				return(error);
			get_user(val, (unsigned int *) arg);
			rts = (val & TIOCM_RTS) ? 1 : 0;
			dtr = (val & TIOCM_DTR) ? 1 : 0;
			break;

#ifdef TIOCSET422
		case TIOCSET422:
			get_user(val, (unsigned int *) arg);
			xmb_setpa(XMBPP_PA11, (val ? 0 : XMBPP_PA11));
			break;
		case TIOCGET422:
			val = (xmb_getpa() & XMBPP_PA11) ? 0 : 1;
			put_user(val, (unsigned int *) arg);
			break;
#endif

		default:
			return -ENOIOCTLCMD;
		}
	return 0;
}
static int rs_ioctl(struct tty_struct *tty, struct file * file,
		    unsigned int cmd, unsigned long arg)
{
	int error;
	struct NIOS_serial * info = (struct NIOS_serial *)tty->driver_data;
	int retval;

	if (serial_paranoia_check(info, tty->device, "rs_ioctl"))
		return -ENODEV;

	if ((cmd != TIOCGSERIAL) && (cmd != TIOCSSERIAL) &&
	    (cmd != TIOCSERCONFIG) && (cmd != TIOCSERGWILD)  &&
	    (cmd != TIOCSERSWILD) && (cmd != TIOCSERGSTRUCT)) {
		if (tty->flags & (1 << TTY_IO_ERROR))
		    return -EIO;
	}

	switch (cmd) {
		case TCSBRK:	/* SVID version: non-zero arg --> no break */
			retval = tty_check_change(tty);
			if (retval)
				return retval;
			tty_wait_until_sent(tty, 0);
			if (!arg)
				send_break(info, HZ/4);	/* 1/4 second */
			return 0;
		case TCSBRKP:	/* support for POSIX tcsendbreak() */
			retval = tty_check_change(tty);
			if (retval)
				return retval;
			tty_wait_until_sent(tty, 0);
			send_break(info, arg ? arg*(HZ/10) : HZ/4);
			return 0;
		case TIOCGSOFTCAR:
			error = verify_area(VERIFY_WRITE, (void *) arg,sizeof(long));
			if (error)
				return error;
			put_user(C_CLOCAL(tty) ? 1 : 0,
				    (unsigned long *) arg);
			return 0;
		case TIOCSSOFTCAR:
			get_user(arg, (unsigned long *) arg);
			tty->termios->c_cflag =
				((tty->termios->c_cflag & ~CLOCAL) |
				 (arg ? CLOCAL : 0));
			return 0;
		case TIOCGSERIAL:
			error = verify_area(VERIFY_WRITE, (void *) arg,
						sizeof(struct serial_struct));
			if (error)
				return error;
			return get_serial_info(info,
					       (struct serial_struct *) arg);
		case TIOCSSERIAL:
			return set_serial_info(info,
					       (struct serial_struct *) arg);
		case TIOCSERGETLSR: /* Get line status register */
			error = verify_area(VERIFY_WRITE, (void *) arg,
				sizeof(unsigned int));
			if (error)
				return error;
			else
			    return get_lsr_info(info, (unsigned int *) arg);

		case TIOCSERGSTRUCT:
			error = verify_area(VERIFY_WRITE, (void *) arg,
						sizeof(struct NIOS_serial));
			if (error)
				return error;
			copy_to_user((struct NIOS_serial *) arg,
				    info, sizeof(struct NIOS_serial));
			return 0;

		default:
			return -ENOIOCTLCMD;
		}
	return 0;
}
예제 #8
0
static int mcfrs_ioctl(struct tty_struct *tty, struct file * file,
		    unsigned int cmd, unsigned long arg)
{
	struct mcf_serial * info = (struct mcf_serial *)tty->driver_data;
	int retval, error;

	if (serial_paranoia_check(info, tty->name, "mcfrs_ioctl"))
		return -ENODEV;

	if ((cmd != TIOCGSERIAL) && (cmd != TIOCSSERIAL) &&
	    (cmd != TIOCSERCONFIG) && (cmd != TIOCSERGWILD)  &&
	    (cmd != TIOCSERSWILD) && (cmd != TIOCSERGSTRUCT)) {
		if (tty->flags & (1 << TTY_IO_ERROR))
		    return -EIO;
	}
	
	switch (cmd) {
		case TCSBRK:	/* SVID version: non-zero arg --> no break */
			retval = tty_check_change(tty);
			if (retval)
				return retval;
			tty_wait_until_sent(tty, 0);
			if (!arg)
				send_break(info, HZ/4);	/* 1/4 second */
			return 0;
		case TCSBRKP:	/* support for POSIX tcsendbreak() */
			retval = tty_check_change(tty);
			if (retval)
				return retval;
			tty_wait_until_sent(tty, 0);
			send_break(info, arg ? arg*(HZ/10) : HZ/4);
			return 0;
		case TIOCGSERIAL:
			if (access_ok(VERIFY_WRITE, (void *) arg,
						sizeof(struct serial_struct)))
				return get_serial_info(info,
					       (struct serial_struct *) arg);
			return -EFAULT;
		case TIOCSSERIAL:
			return set_serial_info(info,
					       (struct serial_struct *) arg);
		case TIOCSERGETLSR: /* Get line status register */
			if (access_ok(VERIFY_WRITE, (void *) arg,
						sizeof(unsigned int)))
				return get_lsr_info(info, (unsigned int *) arg);
			return -EFAULT;
		case TIOCSERGSTRUCT:
			error = copy_to_user((struct mcf_serial *) arg,
				    info, sizeof(struct mcf_serial));
			if (error)
				return -EFAULT;
			return 0;
			
#ifdef TIOCSET422
		case TIOCSET422: {
			unsigned int val;
			get_user(val, (unsigned int *) arg);
			mcf_setpa(MCFPP_PA11, (val ? 0 : MCFPP_PA11));
			break;
		}
		case TIOCGET422: {
			unsigned int val;
			val = (mcf_getpa() & MCFPP_PA11) ? 0 : 1;
			put_user(val, (unsigned int *) arg);
			break;
		}
#endif

		default:
			return -ENOIOCTLCMD;
		}
	return 0;
}