304 lines
8.2 KiB
C
304 lines
8.2 KiB
C
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/*
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* Copyright (c) 1997, 1998 Hellmuth Michaelis. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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*---------------------------------------------------------------------------
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*
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* i4b_ctl.c - i4b system control port driver
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* ------------------------------------------
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*
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* $Id: i4b_ctl.c,v 1.17 1998/12/05 18:02:39 hm Exp $
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*
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* last edit-date: [Sat Dec 5 17:59:15 1998]
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*
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*---------------------------------------------------------------------------*/
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#include "i4bctl.h"
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#if NI4BCTL > 1
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#error "only 1 (one) i4bctl device allowed!"
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#endif
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#if NI4BCTL > 0
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#include <sys/param.h>
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#if defined(__FreeBSD__) && __FreeBSD__ >= 3
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#include <sys/ioccom.h>
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#include <i386/isa/isa_device.h>
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#else
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#include <sys/ioctl.h>
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#endif
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#include <sys/kernel.h>
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#include <sys/systm.h>
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#include <sys/conf.h>
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#include <sys/mbuf.h>
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#include <sys/proc.h>
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#include <sys/fcntl.h>
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#include <sys/socket.h>
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#include <net/if.h>
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#ifdef __FreeBSD__
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#include "opt_devfs.h"
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#endif
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#ifdef DEVFS
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#include <sys/devfsext.h>
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#endif
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#ifdef __FreeBSD__
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#include <machine/i4b_debug.h>
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#include <machine/i4b_ioctl.h>
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#else
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#include <machine/bus.h>
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#include <sys/device.h>
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#include <i4b/i4b_debug.h>
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#include <i4b/i4b_ioctl.h>
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#endif
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#include <i4b/include/i4b_global.h>
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#include <i4b/include/i4b_mbuf.h>
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#include <i4b/layer1/i4b_l1.h>
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static int openflag = 0;
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#if BSD > 199306 && defined(__FreeBSD__)
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static d_open_t i4bctlopen;
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static d_close_t i4bctlclose;
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static d_ioctl_t i4bctlioctl;
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#if defined(__FreeBSD_version) && __FreeBSD_version >= 300001
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static d_poll_t i4bctlpoll;
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#endif
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#define CDEV_MAJOR 55
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static struct cdevsw i4bctl_cdevsw =
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{ i4bctlopen, i4bctlclose, noread, nowrite,
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i4bctlioctl, nostop, nullreset, nodevtotty,
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#if defined(__FreeBSD_version) && __FreeBSD_version >= 300001
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i4bctlpoll, nommap, NULL, "i4bctl", NULL, -1 };
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#else
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noselect, nommap, NULL, "i4bctl", NULL, -1 };
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#endif
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static void i4bctlattach(void *);
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PSEUDO_SET(i4bctlattach, i4b_i4bctldrv);
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#define PDEVSTATIC static
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#endif /* __FreeBSD__ */
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#ifdef DEVFS
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static void *devfs_token;
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#endif
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#ifndef __FreeBSD__
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#define PDEVSTATIC /* */
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void i4bctlattach __P((void));
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int i4bctlopen __P((dev_t dev, int flag, int fmt, struct proc *p));
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int i4bctlclose __P((dev_t dev, int flag, int fmt, struct proc *p));
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int i4bctlioctl __P((dev_t dev, int cmd, caddr_t data, int flag, struct proc *p));
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#endif /* !FreeBSD */
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#if BSD > 199306 && defined(__FreeBSD__)
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/*---------------------------------------------------------------------------*
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* initialization at kernel load time
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*---------------------------------------------------------------------------*/
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static void
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i4bctlinit(void *unused)
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{
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dev_t dev;
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dev = makedev(CDEV_MAJOR, 0);
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cdevsw_add(&dev, &i4bctl_cdevsw, NULL);
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}
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SYSINIT(i4bctldev, SI_SUB_DRIVERS,SI_ORDER_MIDDLE+CDEV_MAJOR, &i4bctlinit, NULL);
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#endif /* BSD > 199306 && defined(__FreeBSD__) */
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/*---------------------------------------------------------------------------*
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* interface attach routine
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*---------------------------------------------------------------------------*/
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PDEVSTATIC void
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#ifdef __FreeBSD__
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i4bctlattach(void *dummy)
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#else
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i4bctlattach()
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#endif
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{
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#ifndef HACK_NO_PSEUDO_ATTACH_MSG
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printf("i4bctl: ISDN system control port attached\n");
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#endif
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#ifdef DEVFS
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devfs_token = devfs_add_devswf(&i4bctl_cdevsw, 0, DV_CHR,
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UID_ROOT, GID_WHEEL, 0600,
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"i4bctl", 0);
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#endif
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}
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/*---------------------------------------------------------------------------*
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* i4bctlopen - device driver open routine
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*---------------------------------------------------------------------------*/
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PDEVSTATIC int
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i4bctlopen(dev_t dev, int flag, int fmt, struct proc *p)
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{
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if(minor(dev))
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return (ENXIO);
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if(openflag)
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return (EBUSY);
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openflag = 1;
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return (0);
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}
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/*---------------------------------------------------------------------------*
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* i4bctlclose - device driver close routine
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*---------------------------------------------------------------------------*/
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PDEVSTATIC int
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i4bctlclose(dev_t dev, int flag, int fmt, struct proc *p)
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{
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openflag = 0;
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return (0);
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}
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/*---------------------------------------------------------------------------*
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* i4bctlioctl - device driver ioctl routine
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*---------------------------------------------------------------------------*/
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PDEVSTATIC int
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#if defined (__FreeBSD_version) && __FreeBSD_version >= 300003
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i4bctlioctl(dev_t dev, u_long cmd, caddr_t data, int flag, struct proc *p)
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#else
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i4bctlioctl(dev_t dev, int cmd, caddr_t data, int flag, struct proc *p)
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#endif
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{
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ctl_debug_t *cdbg;
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int error = 0;
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#ifndef DO_I4B_DEBUG
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return(ENODEV);
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#else
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if(minor(dev))
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return(ENODEV);
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switch(cmd)
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{
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case I4B_CTL_GET_DEBUG:
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cdbg = (ctl_debug_t *)data;
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cdbg->l1 = i4b_l1_debug;
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cdbg->l2 = i4b_l2_debug;
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cdbg->l3 = i4b_l3_debug;
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cdbg->l4 = i4b_l4_debug;
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break;
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case I4B_CTL_SET_DEBUG:
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cdbg = (ctl_debug_t *)data;
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i4b_l1_debug = cdbg->l1;
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i4b_l2_debug = cdbg->l2;
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i4b_l3_debug = cdbg->l3;
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i4b_l4_debug = cdbg->l4;
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break;
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case I4B_CTL_GET_HSCXSTAT:
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{
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hscxstat_t *hst;
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struct isic_softc *sc;
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hst = (hscxstat_t *)data;
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if( hst->unit < 0 ||
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hst->unit > ISIC_MAXUNIT ||
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hst->chan < 0 ||
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hst->chan > 1 )
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{
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error = EINVAL;
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break;
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}
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#ifndef __FreeBSD__
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sc = isic_find_sc(hst->unit);
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#else
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sc = &isic_sc[hst->unit];
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#endif
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hst->vfr = sc->sc_chan[hst->chan].stat_VFR;
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hst->rdo = sc->sc_chan[hst->chan].stat_RDO;
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hst->crc = sc->sc_chan[hst->chan].stat_CRC;
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hst->rab = sc->sc_chan[hst->chan].stat_RAB;
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hst->xdu = sc->sc_chan[hst->chan].stat_XDU;
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hst->rfo = sc->sc_chan[hst->chan].stat_RFO;
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break;
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}
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case I4B_CTL_CLR_HSCXSTAT:
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{
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hscxstat_t *hst;
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struct isic_softc *sc;
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hst = (hscxstat_t *)data;
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if( hst->unit < 0 ||
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hst->unit > ISIC_MAXUNIT ||
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hst->chan < 0 ||
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hst->chan > 1 )
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{
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error = EINVAL;
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break;
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}
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#ifndef __FreeBSD__
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sc = isic_find_sc(hst->unit);
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#else
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sc = &isic_sc[hst->unit];
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#endif
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sc->sc_chan[hst->chan].stat_VFR = 0;
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sc->sc_chan[hst->chan].stat_RDO = 0;
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sc->sc_chan[hst->chan].stat_CRC = 0;
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sc->sc_chan[hst->chan].stat_RAB = 0;
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sc->sc_chan[hst->chan].stat_XDU = 0;
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sc->sc_chan[hst->chan].stat_RFO = 0;
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break;
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}
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default:
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error = ENOTTY;
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break;
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}
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return(error);
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#endif DO_I4B_DEBUG
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}
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/*---------------------------------------------------------------------------*
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* i4bctlpoll - device driver poll routine
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*---------------------------------------------------------------------------*/
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#if defined(__FreeBSD__) && __FreeBSD__ >= 3
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static int
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i4bctlpoll (dev_t dev, int events, struct proc *p)
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{
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return (ENODEV);
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}
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#endif
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#endif /* NI4BCTL > 0 */
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