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/*
* Copyright (c) 1997, 1999 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_global.h - i4b global include file
* --------------------------------------
*
* $Id: i4b_global.h,v 1.21 1999/04/26 10:16:54 hm Exp $
*
* last edit-date: [Mon Apr 26 11:10:26 1999]
*
*---------------------------------------------------------------------------*/
#ifndef _I4B_GLOBAL_H_
#define _I4B_GLOBAL_H_
/*---------------------------------------------------------------------------*
* hiding OS differences in the kernel
*---------------------------------------------------------------------------*/
/*---------------*/
/* time handling */
/*---------------*/
#ifdef __FreeBSD__
#include <sys/param.h>
#if defined(__FreeBSD_version) && __FreeBSD_version >= 300001
#define TIMEOUT_FUNC_T timeout_t *
#define SECOND time_second
#define MICROTIME(x) getmicrotime(&(x))
#else /* FreeBSD < 3 */
#define TIMEOUT_FUNC_T timeout_func_t
#define SECOND time.tv_sec
#define MICROTIME(x) microtime(&(x))
#endif /* >= 3 */
#endif /* __FreeBSD__ */
#if defined(__NetBSD__) || defined (__OpenBSD__) || defined(__bsdi__)
#define TIMEOUT_FUNC_T void *
#define SECOND time.tv_sec
#define MICROTIME(x) (x) = time
#endif /* __NetBSD__ */
/*----------------------*/
/* poll/select handling */
/*----------------------*/
#if (defined(__FreeBSD__) && \
(!defined(__FreeBSD_version) || (__FreeBSD_version < 300001))) \
|| defined (__OpenBSD__) || defined(__bsdi__)
#define OS_USES_SELECT
#else
#define OS_USES_POLL
#endif
/*---------------------------------------------------------------------------*
* misc globally used things in the kernel
*---------------------------------------------------------------------------*/
/* timer states */
#define TIMER_IDLE 1 /* a timer is running */
#define TIMER_ACTIVE 2 /* a timer is idle */
/* i4b's spl */
#define SPLI4B() splimp() /* spl for i4b */
/* critial code region handling macros */
#define CRIT_VAR int _svd_spl_ /* declare variable */
#define CRIT_BEG _svd_spl_ = SPLI4B() /* save spl */
#define CRIT_END splx(_svd_spl_) /* restore spl */
/* definitions for the STATUS indications L1 -> L2 -> L3 */
#define STI_ATTACH 0 /* attach at boot time */
#define STI_L1STAT 1 /* layer 1 status */
#define STI_L2STAT 2 /* layer 2 status */
#define STI_TEIASG 3 /* TEI assignments */
#define STI_PDEACT 4 /* Layer 1 T4 expired = persistent deactivation */
#define STI_NOL1ACC 5 /* no outgoing L1 access possible */
/* definitions for the COMMAND requests L3 -> L2 -> L1 */
#define CMR_DOPEN 0 /* daemon opened /dev/i4b */
#define CMR_DCLOSE 1 /* daemon closed /dev/i4b */
/*---------------------------------------------------------------------------
*
* Number of max supported passive card units
*
* Teles/Creatix/Neuhaus cards have a hardware limitation
* as one is able to set 3 (sometimes 4) different configurations by
* jumpers so a maximum of 3 (4) cards per ISA bus is possible.
* (Note: there are multiple ISA buses on some architectures)
*
*---------------------------------------------------------------------------*/
#define ISIC_MAXUNIT 3 /* max no of supported units 0..3 */
#endif /* _I4B_GLOBAL_H_ */
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