/* * Copyright (c) 1982, 1986 Regents of the University of California. * 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. * 3. All advertising materials mentioning features or use of this software *    must display the following acknowledgement: *	This product includes software developed by the University of *	California, Berkeley and its contributors. * 4. Neither the name of the University nor the names of its contributors *    may be used to endorse or promote products derived from this software *    without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE REGENTS 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 REGENTS 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. * *	@(#)if_dmc.h	7.5 (Berkeley) 6/28/90 *//* * DMC-11 Interface */struct dmcdevice {        char    bsel0;	char 	bsel1;	char	bsel2;	char 	bsel3;	short	sel4;	short	sel6;};/* * dmc software packet encapsulation.  This allows the dmc * link to be multiplexed among several protocols. * The first eight bytes of the dmc header are garbage, * since on a vax the uba has been known to mung these * bytes.  The next two bytes encapsulate packet type. */struct dmc_header {	char	dmc_buf[8];	/* space for uba on vax */	short	dmc_type;	/* encapsulate packet type */};/* packet types */#define	DMC_IPTYPE	1#define	DMC_TRAILER	2#define	DMC_NTRAILER	16/* * DMCMTU includes space for data (1024) +  * protocol header (256) + trailer descriptor (4). * The software link encapsulation header (dmc_header) * is handled separately.	#define DMCMTU  1284 */#define DMCMTU  1500#define	RDYSCAN	16	/* loop delay for RDYI after RQI *//* defines for bsel0 */#define	DMC_BACCI	0#define	DMC_CNTLI	1#define	DMC_PERR	2#define	DMC_BASEI	3#define	DMC_WRITE	0		/* transmit block */#define	DMC_READ	4		/* read block */#define	DMC_RQI		0040		/* port request bit */#define	DMC_IEI		0100		/* enable input interrupts */#define	DMC_RDYI	0200		/* port ready */#define	DMC0BITS	"\10\10RDI\7IEI\6RQI"/* defines for bsel1 */#define	DMC_MCLR	0100		/* DMC11 Master Clear */#define	DMC_RUN		0200		/* clock running */#define	DMC1BITS	"\10\10RUN\7MCLR"/* defines for bsel2 */#define	DMC_BACCO	0#define	DMC_CNTLO	1#define	DMC_OUX		0		/* transmit block */#define	DMC_OUR		4		/* read block */#define	DMC_IEO		0100		/* enable output interrupts */#define	DMC_RDYO	0200		/* port available */#define	DMC2BITS	"\10\10RDO\7IEO"/* defines for CNTLI mode */#define	DMC_HDPLX	02000		/* half duplex DDCMP operation */#define	DMC_SEC		04000		/* half duplex secondary station */#define	DMC_MAINT	00400		/* enter maintenance mode *//* defines for BACCI/O and BASEI mode */#define	DMC_XMEM	0140000		/* xmem bit position */#define	DMC_CCOUNT	0037777		/* character count mask */#define	DMC_RESUME	0002000		/* resume (BASEI only) *//* defines for CNTLO */#define	DMC_CNTMASK	01777#define	DMC_DATACK	01#define	DMC_TIMEOUT	02#define	DMC_NOBUFS	04#define	DMC_MAINTREC	010#define	DMC_LOSTDATA	020#define	DMC_DISCONN	0100#define	DMC_START	0200#define	DMC_NEXMEM	0400#define	DMC_ERROR	01000#define	DMC_FATAL (DMC_ERROR|DMC_NEXMEM|DMC_START|DMC_LOSTDATA|DMC_MAINTREC)#define	CNTLO_BITS	\   "\10\12ERROR\11NEXMEM\10START\7DISC\5LSTDATA\4MAINT\3NOBUF\2TIMEO\1DATACK"