diff options
Diffstat (limited to 'sys/i4b/driver/i4b_ctl.c')
| -rw-r--r-- | sys/i4b/driver/i4b_ctl.c | 303 |
1 files changed, 303 insertions, 0 deletions
diff --git a/sys/i4b/driver/i4b_ctl.c b/sys/i4b/driver/i4b_ctl.c new file mode 100644 index 0000000..56bcb02 --- /dev/null +++ b/sys/i4b/driver/i4b_ctl.c @@ -0,0 +1,303 @@ +/* + * Copyright (c) 1997, 1998 Hellmuth Michaelis. 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. + * 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. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``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 OR CONTRIBUTORS 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. + * + *--------------------------------------------------------------------------- + * + * i4b_ctl.c - i4b system control port driver + * ------------------------------------------ + * + * $Id: i4b_ctl.c,v 1.17 1998/12/05 18:02:39 hm Exp $ + * + * last edit-date: [Sat Dec 5 17:59:15 1998] + * + *---------------------------------------------------------------------------*/ + +#include "i4bctl.h" + +#if NI4BCTL > 1 +#error "only 1 (one) i4bctl device allowed!" +#endif + +#if NI4BCTL > 0 + +#include <sys/param.h> + +#if defined(__FreeBSD__) && __FreeBSD__ >= 3 +#include <sys/ioccom.h> +#include <i386/isa/isa_device.h> +#else +#include <sys/ioctl.h> +#endif + +#include <sys/kernel.h> +#include <sys/systm.h> +#include <sys/conf.h> +#include <sys/mbuf.h> +#include <sys/proc.h> +#include <sys/fcntl.h> +#include <sys/socket.h> +#include <net/if.h> + +#ifdef __FreeBSD__ +#include "opt_devfs.h" +#endif + +#ifdef DEVFS +#include <sys/devfsext.h> +#endif + +#ifdef __FreeBSD__ +#include <machine/i4b_debug.h> +#include <machine/i4b_ioctl.h> +#else +#include <machine/bus.h> +#include <sys/device.h> +#include <i4b/i4b_debug.h> +#include <i4b/i4b_ioctl.h> +#endif + +#include <i4b/include/i4b_global.h> +#include <i4b/include/i4b_mbuf.h> +#include <i4b/layer1/i4b_l1.h> + +static int openflag = 0; + +#if BSD > 199306 && defined(__FreeBSD__) +static d_open_t i4bctlopen; +static d_close_t i4bctlclose; +static d_ioctl_t i4bctlioctl; +#if defined(__FreeBSD_version) && __FreeBSD_version >= 300001 +static d_poll_t i4bctlpoll; +#endif + +#define CDEV_MAJOR 55 +static struct cdevsw i4bctl_cdevsw = + { i4bctlopen, i4bctlclose, noread, nowrite, + i4bctlioctl, nostop, nullreset, nodevtotty, +#if defined(__FreeBSD_version) && __FreeBSD_version >= 300001 + i4bctlpoll, nommap, NULL, "i4bctl", NULL, -1 }; +#else + noselect, nommap, NULL, "i4bctl", NULL, -1 }; +#endif + +static void i4bctlattach(void *); +PSEUDO_SET(i4bctlattach, i4b_i4bctldrv); + +#define PDEVSTATIC static +#endif /* __FreeBSD__ */ + +#ifdef DEVFS +static void *devfs_token; +#endif + +#ifndef __FreeBSD__ +#define PDEVSTATIC /* */ +void i4bctlattach __P((void)); +int i4bctlopen __P((dev_t dev, int flag, int fmt, struct proc *p)); +int i4bctlclose __P((dev_t dev, int flag, int fmt, struct proc *p)); +int i4bctlioctl __P((dev_t dev, int cmd, caddr_t data, int flag, struct proc *p)); +#endif /* !FreeBSD */ + +#if BSD > 199306 && defined(__FreeBSD__) +/*---------------------------------------------------------------------------* + * initialization at kernel load time + *---------------------------------------------------------------------------*/ +static void +i4bctlinit(void *unused) +{ + dev_t dev; + + dev = makedev(CDEV_MAJOR, 0); + + cdevsw_add(&dev, &i4bctl_cdevsw, NULL); +} + +SYSINIT(i4bctldev, SI_SUB_DRIVERS,SI_ORDER_MIDDLE+CDEV_MAJOR, &i4bctlinit, NULL); + +#endif /* BSD > 199306 && defined(__FreeBSD__) */ + +/*---------------------------------------------------------------------------* + * interface attach routine + *---------------------------------------------------------------------------*/ +PDEVSTATIC void +#ifdef __FreeBSD__ +i4bctlattach(void *dummy) +#else +i4bctlattach() +#endif +{ +#ifndef HACK_NO_PSEUDO_ATTACH_MSG + printf("i4bctl: ISDN system control port attached\n"); +#endif +#ifdef DEVFS + devfs_token = devfs_add_devswf(&i4bctl_cdevsw, 0, DV_CHR, + UID_ROOT, GID_WHEEL, 0600, + "i4bctl", 0); +#endif +} + +/*---------------------------------------------------------------------------* + * i4bctlopen - device driver open routine + *---------------------------------------------------------------------------*/ +PDEVSTATIC int +i4bctlopen(dev_t dev, int flag, int fmt, struct proc *p) +{ + if(minor(dev)) + return (ENXIO); + + if(openflag) + return (EBUSY); + + openflag = 1; + + return (0); +} + +/*---------------------------------------------------------------------------* + * i4bctlclose - device driver close routine + *---------------------------------------------------------------------------*/ +PDEVSTATIC int +i4bctlclose(dev_t dev, int flag, int fmt, struct proc *p) +{ + openflag = 0; + return (0); +} + +/*---------------------------------------------------------------------------* + * i4bctlioctl - device driver ioctl routine + *---------------------------------------------------------------------------*/ +PDEVSTATIC int +#if defined (__FreeBSD_version) && __FreeBSD_version >= 300003 +i4bctlioctl(dev_t dev, u_long cmd, caddr_t data, int flag, struct proc *p) +#else +i4bctlioctl(dev_t dev, int cmd, caddr_t data, int flag, struct proc *p) +#endif +{ + ctl_debug_t *cdbg; + int error = 0; + +#ifndef DO_I4B_DEBUG + return(ENODEV); +#else + if(minor(dev)) + return(ENODEV); + + switch(cmd) + { + case I4B_CTL_GET_DEBUG: + cdbg = (ctl_debug_t *)data; + cdbg->l1 = i4b_l1_debug; + cdbg->l2 = i4b_l2_debug; + cdbg->l3 = i4b_l3_debug; + cdbg->l4 = i4b_l4_debug; + break; + + case I4B_CTL_SET_DEBUG: + cdbg = (ctl_debug_t *)data; + i4b_l1_debug = cdbg->l1; + i4b_l2_debug = cdbg->l2; + i4b_l3_debug = cdbg->l3; + i4b_l4_debug = cdbg->l4; + break; + + case I4B_CTL_GET_HSCXSTAT: + { + hscxstat_t *hst; + struct isic_softc *sc; + hst = (hscxstat_t *)data; + + if( hst->unit < 0 || + hst->unit > ISIC_MAXUNIT || + hst->chan < 0 || + hst->chan > 1 ) + { + error = EINVAL; + break; + } + +#ifndef __FreeBSD__ + sc = isic_find_sc(hst->unit); +#else + sc = &isic_sc[hst->unit]; +#endif + hst->vfr = sc->sc_chan[hst->chan].stat_VFR; + hst->rdo = sc->sc_chan[hst->chan].stat_RDO; + hst->crc = sc->sc_chan[hst->chan].stat_CRC; + hst->rab = sc->sc_chan[hst->chan].stat_RAB; + hst->xdu = sc->sc_chan[hst->chan].stat_XDU; + hst->rfo = sc->sc_chan[hst->chan].stat_RFO; + break; + } + + case I4B_CTL_CLR_HSCXSTAT: + { + hscxstat_t *hst; + struct isic_softc *sc; + hst = (hscxstat_t *)data; + + if( hst->unit < 0 || + hst->unit > ISIC_MAXUNIT || + hst->chan < 0 || + hst->chan > 1 ) + { + error = EINVAL; + break; + } + +#ifndef __FreeBSD__ + sc = isic_find_sc(hst->unit); +#else + sc = &isic_sc[hst->unit]; +#endif + + sc->sc_chan[hst->chan].stat_VFR = 0; + sc->sc_chan[hst->chan].stat_RDO = 0; + sc->sc_chan[hst->chan].stat_CRC = 0; + sc->sc_chan[hst->chan].stat_RAB = 0; + sc->sc_chan[hst->chan].stat_XDU = 0; + sc->sc_chan[hst->chan].stat_RFO = 0; + + break; + } + + default: + error = ENOTTY; + break; + } + return(error); +#endif DO_I4B_DEBUG +} + +/*---------------------------------------------------------------------------* + * i4bctlpoll - device driver poll routine + *---------------------------------------------------------------------------*/ +#if defined(__FreeBSD__) && __FreeBSD__ >= 3 +static int +i4bctlpoll (dev_t dev, int events, struct proc *p) +{ + return (ENODEV); +} +#endif + +#endif /* NI4BCTL > 0 */ |
