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1.1 root 1: /*
2: * Copyright (c) 1988 Regents of the University of California.
3: * All rights reserved.
4: *
5: * Redistribution is only permitted until one year after the first shipment
6: * of 4.4BSD by the Regents. Otherwise, redistribution and use in source and
7: * binary forms are permitted provided that: (1) source distributions retain
8: * this entire copyright notice and comment, and (2) distributions including
9: * binaries display the following acknowledgement: This product includes
10: * software developed by the University of California, Berkeley and its
11: * contributors'' in the documentation or other materials provided with the
12: * distribution and in all advertising materials mentioning features or use
13: * of this software. Neither the name of the University nor the names of
14: * its contributors may be used to endorse or promote products derived from
15: * this software without specific prior written permission.
16: * THIS SOFTWARE IS PROVIDED AS IS'' AND WITHOUT ANY EXPRESS OR IMPLIED
17: * WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED WARRANTIES OF
18: * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
19: *
20: * @(#)if_dmv.h 7.4 (Berkeley) 6/28/90
21: */
22:
23: /*
24: * DMV-11 Driver
25: *
26: * Qbus Sync DDCMP interface - DMV operated in full duplex, point to point mode
27: *
28: * Written by Bob Kridle of Mt Xinu
29: * starting from if_dmc.h version 6.4 dated 6/8/85
30: */
31:
32: struct dmvdevice {
33: union {
34: u_char xbsel[2];
35: u_short xwsel;
36: } xw0;
37: union {
38: u_char xbsel[2];
39: u_short xwsel;
40: } xw1;
41: union {
42: u_char xbsel[2];
43: u_short xwsel;
44: } xw2;
45: union {
46: u_char xbsel[2];
47: u_short xwsel;
48: } xw3;
49: union {
50: u_char xbsel[2];
51: u_short xwsel;
52: } xw4;
53: };
54:
55: #define bsel0 xw0.xbsel[0]
56: #define bsel1 xw0.xbsel[1]
57: #define bsel2 xw1.xbsel[0]
58: #define bsel3 xw1.xbsel[1]
59: #define bsel4 xw2.xbsel[0]
60: #define bsel5 xw2.xbsel[1]
61: #define bsel6 xw3.xbsel[0]
62: #define bsel7 xw3.xbsel[1]
63: #define bsel10 xw4.xbsel[0]
64: #define bsel11 xw4.xbsel[1]
65:
66: #define wsel0 xw0.xwsel
67: #define wsel2 xw1.xwsel
68: #define wsel4 xw2.xwsel
69: #define wsel6 xw3.xwsel
70: #define wsel10 xw4.xwsel
71:
72: /*
73: * dmv software packet encapsulation. This allows the dmv
74: * link to be multiplexed among several protocols.
75: * The first eight bytes of the dmc header are garbage,
76: * since on a vax the uba has been known to mung these
77: * bytes. The next two bytes encapsulate packet type.
78: */
79: struct dmv_header {
80: short dmv_type; /* encapsulate packet type */
81: };
82:
83: /* packet types */
84: #define DMV_IPTYPE 1
85: #define DMV_TRAILER 2
86: #define DMV_NTRAILER 16
87:
88: /*
89: * DMVMTU includes space for data (1024) +
90: * protocol header (256) + trailer descriptor (4).
91: * The software link encapsulation header (dmv_header)
92: * is handled separately.
93: */
94: #define DMVMTU 1284
95:
96: #define RDYSCAN 16 /* loop delay for RDYI after RQI */
97:
98: /* defines for bsel0 */
99:
100: #define DMV_IEI 0x01 /* interrupt enable, input */
101: #define DMV_IEO 0x10 /* interrupt enable, output */
102: #define DMV_RQI 0x80 /* request input */
103: #define DMV0BITS "\10\8RQI\5IEO\1IEI"
104:
105: /* defines for bsel1 */
106:
107: #define DMV_MCLR 0x40 /* master clear */
108: #define DMV_RUN 0x80 /* run */
109: #define DMV1BITS "\10\8RUN\7MCLR"
110:
111: /* defines for bsel2 */
112:
113: #define DMV_CMD 0x07 /* command/response type field */
114:
115:
116: /* input commands */
117:
118: #define DMV_BACCR 0x00 /* buffer address, char. count - rec */
119: #define DMV_BACCX 0x04 /* buffer address, char. count - xmit */
120: #define DMV_MDEFI 0x02 /* mode definition input */
121: #define DMV_CNTRLI 0x01 /* control input */
122:
123: /* response identifiers */
124:
125: #define DMV_CNTRLO 0x01 /* control output */
126: #define DMV_MDEFO 0x02 /* information output */
127: #define DMV_BDRUS 0x00 /* buffer definition - rec. used */
128: #define DMV_BDRUNUS 0x03 /* buffer disposition - rec. unused */
129: #define DMV_BDXSA 0x04 /* buffer dispostiion - sent & ack */
130: #define DMV_BDXSN 0x06 /* buffer dispostiion - sent & not ack*/
131: #define DMV_BDXNS 0x07 /* buffer dispostiion - not sent */
132:
133: #define DMV_22BIT 0x08 /* buffer address in 22 bit format */
134: #define DMV_RDI 0x10 /* ready for input */
135: #define DMV_RDO 0x80 /* ready for output */
136: #define DMV2BITS "\10\8RDO\5RDI"
137:
138: /* defines for CNTRLI mode */
139:
140: #define DMV_RDTSS 0x20 /* read tributary status slot */
141: #define DMV_RDCTSS 0x40 /* read/clear tributary status slot */
142: #define DMV_WRTSS 0x80 /* write tributary status slot */
143: #define DMV_TRIBN 0x1f /* tributary number */
144: #define DMV_RQKEY 0x1f /* control command request key */
145: #define DMV_ECBP 0x100 /* establish common buffer pool */
146:
147: /* relevant command request keys */
148:
149: #define DMV_NOP 0x00 /* no-op */
150: #define DMV_ESTTRIB 0x01 /* establish tributary */
151: #define DMV_REQSUS 0x03 /* request start up state */
152: #define DMV_REQHS 0x05 /* request halt state */
153: #define DMV_WMC 0x10 /* write modem control */
154: #define DMV_RMC 0x11 /* read modem control */
155:
156: /* some interesting CNTRLO codes
157: *
158: * use the manual if yours isn't here!!
159: */
160:
161: #define DMV_RTE 0002 /* receive threshold error */
162: #define DMV_TTE 0004 /* xmit threshold error */
163: #define DMV_STE 0006 /* select threshold error */
164: #define DMV_ORUN 0024 /* other end enters run state */
165: #define DMV_NXM 0302 /* non-existant memory */
166: #define DMV_MODD 0304 /* modem disconnected */
167: #define DMV_QOVF 0306 /* response queue overflow */
168: #define DMV_CXRL 0310 /* modem cxr lost */
169:
170: #define DMV_EEC 0377 /* CNTRLO error code mask */
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