108 lines
3.7 KiB
C
108 lines
3.7 KiB
C
/* $NetBSD: tropicvar.h,v 1.5 2000/03/23 07:01:33 thorpej Exp $ */
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/*
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* Mach Operating System
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* Copyright (c) 1991 Carnegie Mellon University
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* Copyright (c) 1991 IBM Corporation
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* All Rights Reserved.
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*
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* Permission to use, copy, modify and distribute this software and its
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* documentation is hereby granted, provided that both the copyright
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* notice and this permission notice appear in all copies of the
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* software, derivative works or modified versions, and any portions
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* thereof, and that both notices appear in supporting documentation,
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* and that the name IBM not be used in advertising or publicity
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* pertaining to distribution of the software without specific, written
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* prior permission.
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*
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* CARNEGIE MELLON AND IBM ALLOW FREE USE OF THIS SOFTWARE IN ITS "AS IS"
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* CONDITION. CARNEGIE MELLON AND IBM DISCLAIM ANY LIABILITY OF ANY KIND FOR
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* ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
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*
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* Carnegie Mellon requests users of this software to return to
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*
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* Software Distribution Coordinator or Software.Distribution@CS.CMU.EDU
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* School of Computer Science
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* Carnegie Mellon University
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* Pittsburgh PA 15213-3890
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*
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* any improvements or extensions that they make and grant Carnegie Mellon
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* the rights to redistribute these changes.
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*/
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/* $ACIS:if_lanvar.h 12.0$ */
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#include <sys/callout.h>
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/*
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* This file contains structures used in the "tr" driver for the
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* IBM TOKEN-RING NETWORK PC ADAPTER
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*/
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/* Receive buffer control block */
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struct rbcb {
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bus_size_t rbufp; /* offset of current receive buffer */
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bus_size_t rbufp_next; /* offset of next receive buffer */
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bus_size_t rbuf_datap; /* offset of data in receive buffer */
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unsigned short data_len; /* amount of data in this rec buffer */
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};
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/*
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* Token-Ring software status per adapter
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*/
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struct tr_softc {
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struct device sc_dev;
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void *sc_ih;
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struct ethercom sc_ethercom;
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struct ifmedia sc_media;
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u_char sc_xmit_correlator;
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int sc_xmit_buffers;
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#if 1
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int sc_xmit_head;
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int sc_xmit_tail;
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#endif
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int sc_minbuf;
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int sc_nbuf;
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bus_size_t sc_txca;
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bus_space_tag_t sc_piot;
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bus_space_tag_t sc_memt;
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bus_space_handle_t sc_pioh; /* handle pio area */
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bus_space_handle_t sc_sramh; /* handle for the shared ram area */
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bus_space_handle_t sc_mmioh; /* handle for the bios/mmio area */
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struct callout sc_timeout_callout;
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struct callout sc_init_callout;
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struct callout sc_reinit_callout;
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int (*sc_mediachange) __P((struct tr_softc *));
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void (*sc_mediastatus) __P((struct tr_softc *, struct ifmediareq *));
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struct rbcb rbc; /* receiver buffer control block */
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bus_size_t sc_aca; /* offset of adapter ACA */
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bus_size_t sc_ssb; /* offset of System Status Block */
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bus_size_t sc_arb; /* offset of Adapter Request Block */
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bus_size_t sc_srb; /* offset of System Request Block */
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bus_size_t sc_asb; /* offset of Adapter Status Block */
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u_int sc_maddr; /* mapped shared memory address */
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u_int sc_memwinsz; /* mapped shared memory window size */
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u_int sc_memsize; /* memory installed on adapter */
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u_int sc_memreserved; /* reserved memory on adapter */
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int sc_dhb4maxsz; /* max. dhb size at 4MBIT ring speed */
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int sc_dhb16maxsz; /* max. dbh size at 16MBIT ring speed */
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int sc_maxmtu; /* max. MTU supported by adapter */
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unsigned char sc_init_status;
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caddr_t tr_sleepevent; /* tr event signalled on successful */
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/* open of adapter */
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unsigned short exsap_station; /* station assigned by open sap cmd */
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};
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int tr_config __P((struct tr_softc *));
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int tr_attach __P((struct tr_softc *));
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int tr_intr __P((void *));
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void tr_init __P((void *));
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int tr_ioctl __P((struct ifnet *, u_long, caddr_t));
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void tr_stop __P((struct tr_softc *));
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int tr_reset __P((struct tr_softc *));
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void tr_sleep __P((struct tr_softc *));
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int tr_setspeed __P((struct tr_softc *, u_int8_t));
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