[unix-history] / usr / src / sys / vax / if / if_dmv.h

/*
 * Copyright (c) 1988 Regents of the University of California.
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms are permitted
 * provided that this notice is preserved and that due credit is given
 * to the University of California at Berkeley. The name of the University
 * may not be used to endorse or promote products derived from this
 * software without specific prior written permission. This software
 * is provided ``as is'' without express or implied warranty.
 *
 *	@(#)if_dmv.h	7.2 (Berkeley) %G%
 *
 * DMV-11 Driver
 *
 * Qbus Sync DDCMP interface - DMV operated in full duplex, point to point mode
 *
 * Written by Bob Kridle of Mt Xinu
 * starting from if_dmc.h version 6.4 dated 6/8/85 
 */

struct dmvdevice {
	union {
		u_char    xbsel[2];
		u_short	xwsel;
	} xw0;
	union {
		u_char    xbsel[2];
		u_short	xwsel;
	} xw1;
	union {
		u_char    xbsel[2];
		u_short	xwsel;
	} xw2;
	union {
		u_char    xbsel[2];
		u_short	xwsel;
	} xw3;
	union {
		u_char    xbsel[2];
		u_short	xwsel;
	} xw4;
};

#define  bsel0	xw0.xbsel[0]
#define  bsel1	xw0.xbsel[1]
#define  bsel2	xw1.xbsel[0]
#define  bsel3	xw1.xbsel[1]
#define  bsel4	xw2.xbsel[0]
#define  bsel5	xw2.xbsel[1]
#define  bsel6	xw3.xbsel[0]
#define  bsel7	xw3.xbsel[1]
#define  bsel10	xw4.xbsel[0]
#define  bsel11	xw4.xbsel[1]

#define	 wsel0	xw0.xwsel
#define	 wsel2	xw1.xwsel
#define	 wsel4	xw2.xwsel
#define	 wsel6	xw3.xwsel
#define	 wsel10	xw4.xwsel

/*
 * dmv software packet encapsulation.  This allows the dmv
 * 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 dmv_header {
	short	dmv_type;	/* encapsulate packet type */
};

/* packet types */
#define	DMV_IPTYPE	1
#define	DMV_TRAILER	2
#define	DMV_NTRAILER	16

/*
 * DMVMTU includes space for data (1024) + 
 * protocol header (256) + trailer descriptor (4).
 * The software link encapsulation header (dmv_header)
 * is handled separately.
 */
#define DMVMTU  1284

#define	RDYSCAN	16	/* loop delay for RDYI after RQI */

	/* defines for bsel0 */

#define	DMV_IEI		0x01		/* interrupt enable, input */
#define	DMV_IEO		0x10		/* interrupt enable, output */
#define	DMV_RQI		0x80		/* request input */
#define DMV0BITS	"\10\8RQI\5IEO\1IEI"

	/* defines for bsel1 */

#define	DMV_MCLR	0x40		/* master clear */
#define	DMV_RUN		0x80		/* run */
#define DMV1BITS	"\10\8RUN\7MCLR"

	/* defines for bsel2 */

#define	DMV_CMD		0x07		/* command/response type field */


	/* input commands */

#define	DMV_BACCR	0x00		/* buffer address, char. count - rec */
#define	DMV_BACCX	0x04		/* buffer address, char. count - xmit */
#define	DMV_MDEFI	0x02		/* mode definition input */
#define	DMV_CNTRLI	0x01		/* control input */

	/* response identifiers */

#define	DMV_CNTRLO	0x01		/* control output */
#define	DMV_MDEFO	0x02		/* information output */
#define	DMV_BDRUS	0x00		/* buffer definition - rec. used */
#define	DMV_BDRUNUS	0x03		/* buffer disposition - rec. unused */
#define	DMV_BDXSA	0x04		/* buffer dispostiion - sent & ack */
#define	DMV_BDXSN	0x06		/* buffer dispostiion - sent & not ack*/
#define	DMV_BDXNS	0x07		/* buffer dispostiion - not sent */

#define DMV_22BIT	0x08		/* buffer address in 22 bit format */
#define DMV_RDI		0x10		/* ready for input */
#define DMV_RDO		0x80		/* ready for output */
#define DMV2BITS	"\10\8RDO\5RDI"

	/* defines for CNTRLI mode */

#define	DMV_RDTSS	0x20		/* read tributary status slot */
#define	DMV_RDCTSS	0x40		/* read/clear tributary status slot */
#define	DMV_WRTSS	0x80		/* write tributary status slot */
#define	DMV_TRIBN	0x1f		/* tributary number */
#define	DMV_RQKEY	0x1f		/* control command request key */
#define DMV_ECBP	0x100		/* establish common buffer pool */

	/* relevant command request keys */

#define DMV_NOP		0x00		/* no-op */
#define DMV_ESTTRIB	0x01		/* establish tributary */
#define DMV_REQSUS	0x03		/* request start up state */
#define DMV_REQHS	0x05		/* request halt state */
#define DMV_WMC		0x10		/* write modem control */
#define DMV_RMC		0x11		/* read modem control */

	/* some interesting CNTRLO codes 
	 *
	 * use the manual if yours isn't here!!
	 */

#define	DMV_RTE		0002		/* receive threshold error */
#define	DMV_TTE		0004		/* xmit threshold error */
#define	DMV_STE		0006		/* select threshold error */
#define DMV_ORUN	0024		/* other end enters run state */
#define DMV_NXM		0302		/* non-existant memory */
#define DMV_MODD	0304		/* modem disconnected */
#define DMV_QOVF	0306		/* response queue overflow */
#define DMV_CXRL	0310		/* modem cxr lost */

#define DMV_EEC		0377		/* CNTRLO error code mask */
Commit	Line	Data
a39bb6ad	1	/*
2aba78b9 KM	2	* Copyright (c) 1988 Regents of the University of California.
	3	* All rights reserved.
	4	*
	5	* Redistribution and use in source and binary forms are permitted
	6	* provided that this notice is preserved and that due credit is given
	7	* to the University of California at Berkeley. The name of the University
	8	* may not be used to endorse or promote products derived from this
	9	* software without specific prior written permission. This software
	10	* is provided ``as is'' without express or implied warranty.
	11	*
	12	* @(#)if_dmv.h 7.2 (Berkeley) %G%
	13	*
a39bb6ad MK	14	* DMV-11 Driver
	15	*
	16	* Qbus Sync DDCMP interface - DMV operated in full duplex, point to point mode
	17	*
2aba78b9 KM	18	* Written by Bob Kridle of Mt Xinu
2aba78b9 KM	19	* starting from if_dmc.h version 6.4 dated 6/8/85
a39bb6ad MK	20	*/
	21
	22	struct dmvdevice {
	23	union {
	24	u_char xbsel[2];
	25	u_short xwsel;
	26	} xw0;
	27	union {
	28	u_char xbsel[2];
	29	u_short xwsel;
	30	} xw1;
	31	union {
	32	u_char xbsel[2];
	33	u_short xwsel;
	34	} xw2;
	35	union {
	36	u_char xbsel[2];
	37	u_short xwsel;
	38	} xw3;
	39	union {
	40	u_char xbsel[2];
	41	u_short xwsel;
	42	} xw4;
	43	};
	44
	45	#define bsel0 xw0.xbsel[0]
	46	#define bsel1 xw0.xbsel[1]
	47	#define bsel2 xw1.xbsel[0]
	48	#define bsel3 xw1.xbsel[1]
	49	#define bsel4 xw2.xbsel[0]
	50	#define bsel5 xw2.xbsel[1]
	51	#define bsel6 xw3.xbsel[0]
	52	#define bsel7 xw3.xbsel[1]
	53	#define bsel10 xw4.xbsel[0]
	54	#define bsel11 xw4.xbsel[1]
	55
	56	#define wsel0 xw0.xwsel
	57	#define wsel2 xw1.xwsel
	58	#define wsel4 xw2.xwsel
	59	#define wsel6 xw3.xwsel
	60	#define wsel10 xw4.xwsel
	61
	62	/*
	63	* dmv software packet encapsulation. This allows the dmv
	64	* link to be multiplexed among several protocols.
	65	* The first eight bytes of the dmc header are garbage,
	66	* since on a vax the uba has been known to mung these
	67	* bytes. The next two bytes encapsulate packet type.
	68	*/
	69	struct dmv_header {
a39bb6ad MK	70	short dmv_type; /* encapsulate packet type */
	71	};
	72
	73	/* packet types */
	74	#define DMV_IPTYPE 1
	75	#define DMV_TRAILER 2
	76	#define DMV_NTRAILER 16
	77
	78	/*
	79	* DMVMTU includes space for data (1024) +
	80	* protocol header (256) + trailer descriptor (4).
	81	* The software link encapsulation header (dmv_header)
	82	* is handled separately.
	83	*/
	84	#define DMVMTU 1284
	85
	86	#define RDYSCAN 16 /* loop delay for RDYI after RQI */
	87
	88	/* defines for bsel0 */
	89
	90	#define DMV_IEI 0x01 /* interrupt enable, input */
	91	#define DMV_IEO 0x10 /* interrupt enable, output */
	92	#define DMV_RQI 0x80 /* request input */
	93	#define DMV0BITS "\10\8RQI\5IEO\1IEI"
	94
	95	/* defines for bsel1 */
	96
	97	#define DMV_MCLR 0x40 /* master clear */
	98	#define DMV_RUN 0x80 /* run */
	99	#define DMV1BITS "\10\8RUN\7MCLR"
	100
	101	/* defines for bsel2 */
	102
	103	#define DMV_CMD 0x07 /* command/response type field */
	104
	105
	106	/* input commands */
	107
	108	#define DMV_BACCR 0x00 /* buffer address, char. count - rec */
	109	#define DMV_BACCX 0x04 /* buffer address, char. count - xmit */
	110	#define DMV_MDEFI 0x02 /* mode definition input */
	111	#define DMV_CNTRLI 0x01 /* control input */
	112
	113	/* response identifiers */
	114
	115	#define DMV_CNTRLO 0x01 /* control output */
	116	#define DMV_MDEFO 0x02 /* information output */
	117	#define DMV_BDRUS 0x00 /* buffer definition - rec. used */
	118	#define DMV_BDRUNUS 0x03 /* buffer disposition - rec. unused */
	119	#define DMV_BDXSA 0x04 /* buffer dispostiion - sent & ack */
	120	#define DMV_BDXSN 0x06 /* buffer dispostiion - sent & not ack*/
	121	#define DMV_BDXNS 0x07 /* buffer dispostiion - not sent */
	122
	123	#define DMV_22BIT 0x08 /* buffer address in 22 bit format */
	124	#define DMV_RDI 0x10 /* ready for input */
	125	#define DMV_RDO 0x80 /* ready for output */
	126	#define DMV2BITS "\10\8RDO\5RDI"
	127
	128	/* defines for CNTRLI mode */
	129
	130	#define DMV_RDTSS 0x20 /* read tributary status slot */
	131	#define DMV_RDCTSS 0x40 /* read/clear tributary status slot */
	132	#define DMV_WRTSS 0x80 /* write tributary status slot */
	133	#define DMV_TRIBN 0x1f /* tributary number */
134	#define DMV_RQKEY 0x1f /* control command request key */
135	#define DMV_ECBP 0x100 /* establish common buffer pool */
136
137	/* relevant command request keys */
138
139	#define DMV_NOP 0x00 /* no-op */
140	#define DMV_ESTTRIB 0x01 /* establish tributary */
141	#define DMV_REQSUS 0x03 /* request start up state */
142	#define DMV_REQHS 0x05 /* request halt state */
143	#define DMV_WMC 0x10 /* write modem control */
144	#define DMV_RMC 0x11 /* read modem control */
145
146	/* some interesting CNTRLO codes
147	*
148	* use the manual if yours isn't here!!
149	*/
150
151	#define DMV_RTE 0002 /* receive threshold error */
152	#define DMV_TTE 0004 /* xmit threshold error */
153	#define DMV_STE 0006 /* select threshold error */
154	#define DMV_ORUN 0024 /* other end enters run state */
155	#define DMV_NXM 0302 /* non-existant memory */
156	#define DMV_MODD 0304 /* modem disconnected */
157	#define DMV_QOVF 0306 /* response queue overflow */
158	#define DMV_CXRL 0310 /* modem cxr lost */
159
160	#define DMV_EEC 0377 /* CNTRLO error code mask */