aboutsummaryrefslogtreecommitdiffstats
path: root/drivers/char/rio/riowinif.h
blob: 18a4f147edc22c3d1ea31c8467b2a06b132dbb02 (plain) (blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
729
730
731
732
733
734
735
736
737
738
739
740
741
742
743
744
745
746
747
748
749
750
751
752
753
754
755
756
757
758
759
760
761
762
763
764
765
766
767
768
769
770
771
772
773
774
775
776
777
778
779
780
781
782
783
784
785
786
787
788
789
790
791
792
793
794
795
796
797
798
799
800
801
802
803
804
805
806
807
808
809
810
811
812
813
814
815
816
817
818
819
820
821
822
823
824
825
826
827
828
829
830
831
832
833
834
835
836
837
838
839
840
841
842
843
844
845
846
847
848
849
850
851
852
853
854
855
856
857
858
859
860
861
862
863
864
865
866
867
868
869
870
871
872
873
874
875
876
877
878
879
880
881
882
883
884
885
886
887
888
889
890
891
892
893
894
895
896
897
898
899
900
901
902
903
904
905
906
907
908
909
910
911
912
913
914
915
916
917
918
919
920
921
922
923
924
925
926
927
928
929
930
931
932
933
934
935
936
937
938
939
940
941
942
943
944
945
946
947
948
949
950
951
952
953
954
955
956
957
958
959
960
961
962
963
964
965
966
967
968
969
970
971
972
973
974
975
976
977
978
979
980
981
982
983
984
985
986
987
988
989
990
991
992
993
994
995
996
997
998
999
1000
1001
1002
1003
1004
1005
1006
1007
1008
1009
1010
1011
1012
1013
1014
1015
1016
1017
1018
1019
1020
1021
1022
1023
1024
1025
1026
1027
1028
1029
1030
1031
1032
1033
1034
1035
1036
1037
1038
1039
1040
1041
1042
1043
1044
1045
1046
1047
1048
1049
1050
1051
1052
1053
1054
1055
1056
1057
1058
1059
1060
1061
1062
1063
1064
1065
1066
1067
1068
1069
1070
1071
1072
1073
1074
1075
1076
1077
1078
1079
1080
1081
1082
1083
1084
1085
1086
1087
1088
1089
1090
1091
1092
1093
1094
1095
1096
1097
1098
1099
1100
1101
1102
1103
1104
1105
1106
1107
1108
1109
1110
1111
1112
1113
1114
1115
1116
1117
1118
1119
1120
1121
1122
1123
1124
1125
1126
1127
1128
1129
1130
1131
1132
1133
1134
1135
1136
1137
1138
1139
1140
1141
1142
1143
1144
1145
1146
1147
1148
1149
1150
1151
1152
1153
1154
1155
1156
1157
1158
1159
1160
1161
1162
1163
1164
1165
1166
1167
1168
1169
1170
1171
1172
1173
1174
1175
1176
1177
1178
1179
1180
1181
1182
1183
1184
1185
1186
1187
1188
1189
1190
1191
1192
1193
1194
1195
1196
1197
1198
1199
1200
1201
1202
1203
1204
1205
1206
1207
1208
1209
1210
1211
1212
1213
1214
1215
1216
1217
1218
1219
1220
1221
1222
1223
1224
1225
1226
1227
1228
1229
1230
1231
1232
1233
1234
1235
1236
1237
1238
1239
1240
1241
1242
1243
1244
1245
1246
1247
1248
1249
1250
1251
1252
1253
1254
1255
1256
1257
1258
1259
1260
1261
1262
1263
1264
1265
1266
1267
1268
1269
1270
1271
1272
1273
1274
1275
1276
1277
1278
1279
1280
1281
1282
1283
1284
1285
1286
1287
1288
1289
1290
1291
1292
1293
1294
1295
1296
1297
1298
1299
1300
1301
1302
1303
1304
1305
1306
1307
1308
1309
1310
1311
1312
1313
1314
1315
1316
1317
1318
1319
1320
1321
1322
1323
1324
1325
1326
1327
1328
1329
1330
1331
1332
1333
1334
1335
/************************************************************************/
/*									*/
/*	Title		:	RIO Shared Memory Window Inteface	*/
/*									*/
/*	Author		:	N.P.Vassallo				*/
/*									*/
/*	Creation	:	7th June 1999				*/
/*									*/
/*	Version		:	1.0.0					*/
/*									*/
/*	Copyright	:	(c) Specialix International Ltd. 1999	*
 *      This program is free software; you can redistribute it and/or modify
 *      it under the terms of the GNU General Public License as published by
 *      the Free Software Foundation; either version 2 of the License, or
 *      (at your option) any later version.
 *
 *      This program is distributed in the hope that it will be useful,
 *      but WITHOUT ANY WARRANTY; without even the implied warranty of
 *      MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *      GNU General Public License for more details.
 *
 *      You should have received a copy of the GNU General Public License
 *      along with this program; if not, write to the Free Software
 *      Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
 *									*/
/*	Description	:	Prototypes, structures and definitions	*/
/*				describing RIO host card shared	memory	*/
/*				window interface structures:		*/
/*					PARMMAP				*/
/*					RUP				*/
/*					PHB				*/
/*					LPB				*/
/*					PKT				*/
/*									*/
/************************************************************************/

/* History...

1.0.0	07/06/99 NPV	Creation. (based on PARMMAP.H)

*/

#ifndef	_riowinif_h				/* If RIOWINDIF.H not already defined */
#define	_riowinif_h    1

/*****************************************************************************
********************************             *********************************
********************************   General   *********************************
********************************             *********************************
*****************************************************************************/

#define	TPNULL		((_u16)(0x8000))

/*****************************************************************************
********************************              ********************************
********************************   PARM_MAP   ********************************
********************************              ********************************
*****************************************************************************/

/* The PARM_MAP structure defines global values relating to the Host Card / RTA
   and is the main structure from which all other structures are referenced. */

typedef	struct	_PARM_MAP
{
	_u16	phb_ptr;		/* 0x00 Pointer to the PHB array */
	_u16	phb_num_ptr;		/* 0x02 Ptr to Number of PHB's */
	_u16	free_list;		/* 0x04 Free List pointer */
	_u16	free_list_end;		/* 0x06 Free List End pointer */
	_u16	q_free_list_ptr;	/* 0x08 Ptr to Q_BUF variable */
	_u16	unit_id_ptr;		/* 0x0A Unit Id */
	_u16	link_str_ptr;		/* 0x0C Link Structure Array */
	_u16	bootloader_1;		/* 0x0E 1st Stage Boot Loader */
	_u16	bootloader_2;		/* 0x10 2nd Stage Boot Loader */
	_u16	port_route_map_ptr;	/* 0x12 Port Route Map */
	_u16	route_ptr;		/* 0x14 Route Map */
	_u16	map_present;		/* 0x16 Route Map present */
	_u16	pkt_num;		/* 0x18 Total number of packets */
	_u16	q_num;			/* 0x1A Total number of Q packets */
	_u16	buffers_per_port;	/* 0x1C Number of buffers per port */
	_u16	heap_size;		/* 0x1E Initial size of heap */
	_u16	heap_left;		/* 0x20 Current Heap left */
	_u16	error;			/* 0x22 Error code */
	_u16	tx_max;			/* 0x24 Max number of tx pkts per phb */
	_u16	rx_max;			/* 0x26 Max number of rx pkts per phb */
	_u16	rx_limit;		/* 0x28 For high / low watermarks */
	_u16	links;			/* 0x2A Links to use */
	_u16	timer;			/* 0x2C Interrupts per second */
	_u16	rups;			/* 0x2E Pointer to the RUPs */
	_u16	max_phb;		/* 0x30 Mostly for debugging */
	_u16	living;			/* 0x32 Just increments!! */
	_u16	init_done;		/* 0x34 Initialisation over */
	_u16	booting_link;		/* 0x36 */
	_u16	idle_count;		/* 0x38 Idle time counter */
	_u16	busy_count;		/* 0x3A Busy counter */
	_u16	idle_control;		/* 0x3C Control Idle Process */
	_u16	tx_intr;		/* 0x3E TX interrupt pending */
	_u16	rx_intr;		/* 0x40 RX interrupt pending */
	_u16	rup_intr;		/* 0x42 RUP interrupt pending */

} PARM_MAP;

/* Same thing again, but defined as offsets... */

#define	PM_phb_ptr		0x00	/* 0x00 Pointer to the PHB array */
#define	PM_phb_num_ptr		0x02	/* 0x02 Ptr to Number of PHB's */
#define	PM_free_list		0x04	/* 0x04 Free List pointer */
#define	PM_free_list_end	0x06	/* 0x06 Free List End pointer */
#define	PM_q_free_list_ptr	0x08	/* 0x08 Ptr to Q_BUF variable */
#define	PM_unit_id_ptr		0x0A	/* 0x0A Unit Id */
#define	PM_link_str_ptr		0x0C	/* 0x0C Link Structure Array */
#define	PM_bootloader_1		0x0E	/* 0x0E 1st Stage Boot Loader */
#define	PM_bootloader_2		0x10	/* 0x10 2nd Stage Boot Loader */
#define	PM_port_route_map_ptr	0x12	/* 0x12 Port Route Map */
#define	PM_route_ptr		0x14	/* 0x14 Route Map */
#define	PM_map_present		0x16	/* 0x16 Route Map present */
#define	PM_pkt_num		0x18	/* 0x18 Total number of packets */
#define	PM_q_num		0x1A	/* 0x1A Total number of Q packets */
#define	PM_buffers_per_port	0x1C	/* 0x1C Number of buffers per port */
#define	PM_heap_size		0x1E	/* 0x1E Initial size of heap */
#define	PM_heap_left		0x20	/* 0x20 Current Heap left */
#define	PM_error		0x22	/* 0x22 Error code */
#define	PM_tx_max		0x24	/* 0x24 Max number of tx pkts per phb */
#define	PM_rx_max		0x26	/* 0x26 Max number of rx pkts per phb */
#define	PM_rx_limit		0x28	/* 0x28 For high / low watermarks */
#define	PM_links		0x2A	/* 0x2A Links to use */
#define	PM_timer		0x2C	/* 0x2C Interrupts per second */
#define	PM_rups			0x2E	/* 0x2E Pointer to the RUPs */
#define	PM_max_phb		0x30	/* 0x30 Mostly for debugging */
#define	PM_living		0x32	/* 0x32 Just increments!! */
#define	PM_init_done		0x34	/* 0x34 Initialisation over */
#define	PM_booting_link		0x36	/* 0x36 */
#define	PM_idle_count		0x38	/* 0x38 Idle time counter */
#define	PM_busy_count		0x3A	/* 0x3A Busy counter */
#define	PM_idle_control		0x3C	/* 0x3C Control Idle Process */
#define	PM_tx_intr		0x3E	/* 0x4E TX interrupt pending */
#define	PM_rx_intr		0x40	/* 0x40 RX interrupt pending */
#define	PM_rup_intr		0x42	/* 0x42 RUP interrupt pending */
#define	sizeof_PARM_MAP		0x44	/* structure size = 0x44 */

/* PARM_MAP.error definitions... */
#define	E_NO_ERROR		0x00
#define	E_PROCESS_NOT_INIT	0x01
#define	E_LINK_TIMEOUT		0x02
#define	E_NO_ROUTE		0x03
#define	E_CONFUSED		0x04
#define	E_HOME			0x05
#define	E_CSUM_FAIL		0x06
#define	E_DISCONNECTED		0x07
#define	E_BAD_RUP		0x08
#define	E_NO_VIRGIN		0x09
#define	E_BOOT_RUP_BUSY		0x10
#define	E_CHANALLOC		0x80
#define	E_POLL_ALLOC		0x81
#define	E_LTTWAKE		0x82
#define	E_LTT_ALLOC		0x83
#define	E_LRT_ALLOC		0x84
#define	E_CIRRUS		0x85
#define	E_MONITOR		0x86
#define	E_PHB_ALLOC		0x87
#define	E_ARRAY_ALLOC		0x88
#define	E_QBUF_ALLOC		0x89
#define	E_PKT_ALLOC		0x8a
#define	E_GET_TX_Q_BUF		0x8b
#define	E_GET_RX_Q_BUF		0x8c
#define	E_MEM_OUT		0x8d
#define	E_MMU_INIT		0x8e
#define	E_LTT_INIT		0x8f
#define	E_LRT_INIT		0x90
#define	E_LINK_RUN		0x91
#define	E_MONITOR_ALLOC		0x92
#define	E_MONITOR_INIT		0x93
#define	E_POLL_INIT		0x94

/* PARM_MAP.links definitions... */
#define	RIO_LINK_ENABLE	0x80FF

/*****************************************************************************
**********************************         ***********************************
**********************************   RUP   ***********************************
**********************************         ***********************************
*****************************************************************************/

/* The RUP (Remote Unit Port) structure relates to the Remote Terminal Adapters
   attached to the system and there is normally an array of MAX_RUPS (=16) structures
   in a host card, defined by PARM_MAP->rup. */

typedef	struct	_RUP
{
	_u16		txpkt;			/* 0x00 Outgoing packet */
	_u16		rxpkt;			/* 0x02 ncoming packet */
	_u16		link;			/* 0x04 Which link to send packet down ? */
	_u8		rup_dest_unit[2];	/* 0x06 Destination Unit */
	_u16		handshake;		/* 0x08 Handshaking */
	_u16		timeout;		/* 0x0A Timeout */
	_u16		status;			/* 0x0C Status */
	_u16		txcontrol;		/* 0x0E Transmit control */
	_u16		rxcontrol;		/* 0x10 Receive control */

} RUP;

/* Same thing again, but defined as offsets... */

#define	RUP_txpkt		0x00		/* 0x00 Outgoing packet */
#define	RUP_rxpkt		0x02		/* 0x02 Incoming packet */
#define	RUP_link		0x04		/* 0x04 Which link to send packet down ? */
#define	RUP_rup_dest_unit	0x06		/* 0x06 Destination Unit */
#define	RUP_handshake		0x08		/* 0x08 Handshaking */
#define	RUP_timeout		0x0A		/* 0x0A Timeout */
#define	RUP_status		0x0C		/* 0x0C Status */
#define	RUP_txcontrol		0x0E		/* 0x0E Transmit control */
#define	RUP_rxcontrol		0x10		/* 0x10 Receive control */
#define	sizeof_RUP		0x12		/* structure size = 0x12 */

#define MAX_RUP			16

/* RUP.txcontrol definitions... */
#define	TX_RUP_INACTIVE		0		/* Nothing to transmit */
#define	TX_PACKET_READY		1		/* Transmit packet ready */
#define	TX_LOCK_RUP		2		/* Transmit side locked */

/* RUP.txcontrol definitions... */
#define	RX_RUP_INACTIVE		0		/* Nothing received */
#define	RX_PACKET_READY		1		/* Packet received */

#define	RUP_NO_OWNER		0xFF		/* RUP not owned by any process */

/*****************************************************************************
**********************************         ***********************************
**********************************   PHB   ***********************************
**********************************         ***********************************
*****************************************************************************/

/* The PHB (Port Header Block) structure relates to the serial ports attached
   to the system and there is normally an array of MAX_PHBS (=128) structures
   in a host card, defined by PARM_MAP->phb_ptr and PARM_MAP->phb_num_ptr. */

typedef	struct	_PHB
{
	_u16		source;			/* 0x00 Location of the PHB in the host card */
	_u16		handshake;		/* 0x02 Used to manage receive packet flow control */
	_u16		status;			/* 0x04 Internal port transmit/receive status */
	_u16		timeout;		/* 0x06 Time period to wait for an ACK */
	_u16		link;			/* 0x08 The host link associated with the PHB */
	_u16		destination;		/* 0x0A Location of the remote port on the network */

	_u16		tx_start;		/* 0x0C first entry in the packet array for transmit packets */
	_u16		tx_end;			/* 0x0E last entry in the packet array for transmit packets */
	_u16		tx_add;			/* 0x10 position in the packet array for new transmit packets */
	_u16		tx_remove;		/* 0x12 current position in the packet pointer array */

	_u16		rx_start;		/* 0x14 first entry in the packet array for receive packets */
	_u16		rx_end;			/* 0x16 last entry in the packet array for receive packets */
	_u16		rx_add;			/* 0x18 position in the packet array for new receive packets */
	_u16		rx_remove;		/* 0x1A current position in the packet pointer array */

} PHB;

/* Same thing again, but defined as offsets... */

#define	PHB_source		0x00		/* 0x00 Location of the PHB in the host card */
#define	PHB_handshake		0x02		/* 0x02 Used to manage receive packet flow control */
#define	PHB_status		0x04		/* 0x04 Internal port transmit/receive status */
#define	PHB_timeout		0x06		/* 0x06 Time period to wait for an ACK */
#define	PHB_link		0x08		/* 0x08 The host link associated with the PHB */
#define	PHB_destination		0x0A		/* 0x0A Location of the remote port on the network */
#define	PHB_tx_start		0x0C		/* 0x0C first entry in the packet array for transmit packets */
#define	PHB_tx_end		0x0E		/* 0x0E last entry in the packet array for transmit packets */
#define	PHB_tx_add		0x10		/* 0x10 position in the packet array for new transmit packets */
#define	PHB_tx_remove		0x12		/* 0x12 current position in the packet pointer array */
#define	PHB_rx_start		0x14		/* 0x14 first entry in the packet array for receive packets */
#define	PHB_rx_end		0x16		/* 0x16 last entry in the packet array for receive packets */
#define	PHB_rx_add		0x18		/* 0x18 position in the packet array for new receive packets */
#define	PHB_rx_remove		0x1A		/* 0x1A current position in the packet pointer array */
#define	sizeof_PHB		0x1C		/* structure size = 0x1C */

/* PHB.handshake definitions... */
#define	PHB_HANDSHAKE_SET	0x0001		/* Set by LRT */
#define	PHB_HANDSHAKE_RESET	0x0002		/* Set by ISR / driver */
#define	PHB_HANDSHAKE_FLAGS	(PHB_HANDSHAKE_RESET|PHB_HANDSHAKE_SET)
						/* Reset by ltt */

#define	MAX_PHB			128		/* range 0-127 */

/*****************************************************************************
**********************************         ***********************************
**********************************   LPB   ***********************************
**********************************         ***********************************
*****************************************************************************/

/* The LPB (Link Parameter Block) structure relates to a RIO Network Link
   and there is normally an array of MAX_LINKS (=4) structures in a host card,
   defined by PARM_MAP->link_str_ptr. */

typedef	struct	_LPB
{
	_u16		link_number;		/* 0x00 Link Number */
	_u16		in_ch;			/* 0x02 Link In Channel */
	_u16		out_ch;			/* 0x04 Link Out Channel */
	_u8		attached_serial[4];	/* 0x06 Attached serial number */
	_u8		attached_host_serial[4];/* 0x0A Serial number of Host who booted other end */
	_u16		descheduled;		/* 0x0E Currently Descheduled */
	_u16		state;			/* 0x10 Current state */
	_u16		send_poll;		/* 0x12 Send a Poll Packet */
	_u16		ltt_p;			/* 0x14 Process Descriptor */
	_u16		lrt_p;			/* 0x16 Process Descriptor */
	_u16		lrt_status;		/* 0x18 Current lrt status */
	_u16		ltt_status;		/* 0x1A Current ltt status */
	_u16		timeout;		/* 0x1C Timeout value */
	_u16		topology;		/* 0x1E Topology bits */
	_u16		mon_ltt;		/* 0x20 */
	_u16		mon_lrt;		/* 0x22 */
	_u16		num_pkts;		/* 0x24 */
	_u16		add_packet_list;	/* 0x26 Add packets to here */
	_u16		remove_packet_list;	/* 0x28 Send packets from here */

	_u16		lrt_fail_chan;		/* 0x2A Lrt's failure channel */
	_u16		ltt_fail_chan;		/* 0x2C Ltt's failure channel */

	RUP		rup;			/* 0x2E RUP structure for HOST to driver comms */
	RUP		link_rup;		/* 0x40 RUP for the link (POLL, topology etc.) */
	_u16		attached_link;		/* 0x52 Number of attached link */
	_u16		csum_errors;		/* 0x54 csum errors */
	_u16		num_disconnects;	/* 0x56 number of disconnects */
	_u16		num_sync_rcvd;		/* 0x58 # sync's received */
	_u16		num_sync_rqst;		/* 0x5A # sync requests */
	_u16		num_tx;			/* 0x5C Num pkts sent */
	_u16		num_rx;			/* 0x5E Num pkts received */
	_u16		module_attached;	/* 0x60 Module tpyes of attached */
	_u16		led_timeout;		/* 0x62 LED timeout */
	_u16		first_port;		/* 0x64 First port to service */
	_u16		last_port;		/* 0x66 Last port to service */

} LPB;

/* Same thing again, but defined as offsets... */

#define	LPB_link_number		0x00		/* 0x00 Link Number */
#define	LPB_in_ch		0x02		/* 0x02 Link In Channel */
#define	LPB_out_ch		0x04		/* 0x04 Link Out Channel */
#define	LPB_attached_serial	0x06		/* 0x06 Attached serial number */
#define	LPB_attached_host_serial 0x0A		/* 0x0A Serial number of Host who booted other end */
#define	LPB_descheduled		0x0E		/* 0x0E Currently Descheduled */
#define	LPB_state		0x10		/* 0x10 Current state */
#define	LPB_send_poll		0x12		/* 0x12 Send a Poll Packet */
#define	LPB_ltt_p		0x14		/* 0x14 Process Descriptor */
#define	LPB_lrt_p		0x16		/* 0x16 Process Descriptor */
#define	LPB_lrt_status		0x18		/* 0x18 Current lrt status */
#define	LPB_ltt_status		0x1A		/* 0x1A Current ltt status */
#define	LPB_timeout		0x1C		/* 0x1C Timeout value */
#define	LPB_topology		0x1E		/* 0x1E Topology bits */
#define	LPB_mon_ltt		0x20		/* 0x20 */
#define	LPB_mon_lrt		0x22		/* 0x22 */
#define	LPB_num_pkts		0x24		/* 0x24 */
#define	LPB_add_packet_list	0x26		/* 0x26 Add packets to here */
#define	LPB_remove_packet_list	0x28		/* 0x28 Send packets from here */
#define	LPB_lrt_fail_chan	0x2A		/* 0x2A Lrt's failure channel */
#define	LPB_ltt_fail_chan	0x2C		/* 0x2C Ltt's failure channel */
#define	LPB_rup			0x2E		/* 0x2E RUP structure for HOST to driver comms */
#define	LPB_link_rup		0x40		/* 0x40 RUP for the link (POLL, topology etc.) */
#define	LPB_attached_link	0x52		/* 0x52 Number of attached link */
#define	LPB_csum_errors		0x54		/* 0x54 csum errors */
#define	LPB_num_disconnects	0x56		/* 0x56 number of disconnects */
#define	LPB_num_sync_rcvd	0x58		/* 0x58 # sync's received */
#define	LPB_num_sync_rqst	0x5A		/* 0x5A # sync requests */
#define	LPB_num_tx		0x5C		/* 0x5C Num pkts sent */
#define	LPB_num_rx		0x5E		/* 0x5E Num pkts received */
#define	LPB_module_attached	0x60		/* 0x60 Module tpyes of attached */
#define	LPB_led_timeout		0x62		/* 0x62 LED timeout */
#define	LPB_first_port		0x64		/* 0x64 First port to service */
#define	LPB_last_port		0x66		/* 0x66 Last port to service */
#define	sizeof_LPB		0x68		/* structure size = 0x68 */

#define	LINKS_PER_UNIT		4		/* number of links from a host */

/*****************************************************************************
********************************               *******************************
********************************   FREE_LIST   *******************************
********************************               *******************************
*****************************************************************************/

/* Used to overlay packet headers when allocating/freeing packets from the free list */

typedef	struct	_FREE_LIST
{
	_u16		next;			/* 0x00 offset of next list item */
	_u16		prev;			/* 0x02 offset of previous list item */

} FREE_LIST;

/* Same thing again, but defined as offsets... */

#define	FL_next			0x00		/* 0x00 offset of next list item */
#define	FL_prev			0x02		/* 0x02 offset of previous list item */

/*****************************************************************************
**********************************         ***********************************
**********************************   PKT   ***********************************
**********************************         ***********************************
*****************************************************************************/

/* The PKT is the main unit of communication between Host Cards and RTAs across
   the RIO network.  */

#define PKT_MAX_DATA_LEN   72			/* Size of packet data */

typedef	struct	_PKT
{
	_u8		dest_unit;		/* 0x00 Destination Unit Id */
	_u8		dest_port;		/* 0x01 Destination Port */
	_u8		src_unit;		/* 0x02 Source Unit Id */
	_u8		src_port;		/* 0x03 Source Port */
	_u8		len;			/* 0x04 Length (in bytes) of data field */
	_u8		control;		/* 0x05 */
	_u8		data[PKT_MAX_DATA_LEN];	/* 0x06 Actual data */
	_u16		csum;			/* 0x4E C-SUM */

} PKT;

/* Same thing again, but defined as offsets... */

#define	PKT_dest_unit		0x00		/* 0x00 Destination Unit Id */
#define	PKT_dest_port		0x01		/* 0x01 Destination Port */
#define	PKT_src_unit		0x02		/* 0x02 Source Unit Id */
#define	PKT_src_port		0x03		/* 0x03 Source Port */
#define	PKT_len			0x04		/* 0x04 Length (in bytes) of data field */
#define	PKT_control		0x05		/* 0x05 */
#define	PKT_data		0x06		/* 0x06 Actual data */
#define	PKT_csum		0x4E		/* 0x4E C-SUM */
#define	sizeof_PKT		0x50		/* structure size = 0x50 */

/* PKT.len definitions... */
#define	PKT_CMD_BIT		0x80
#define	PKT_CMD_DATA		0x80
#define	PKT_LEN_MASK		0x7F

/* PKT.control definitions... */
#define	PKT_ACK			0x40
#define	PKT_TGL			0x20
#define	DATA_WNDW		0x10
#define	PKT_TTL_MASK		0x0F
#define	MAX_TTL			0x0F

/*****************************************************************************
*****************************                     ****************************
*****************************   Control Packets   ****************************
*****************************                     ****************************
*****************************************************************************/

/* The following definitions and structures define the control packets sent
   between the driver and RIO Ports, RTAs and Host Cards. */

#define	PRE_EMPTIVE		0x80			/* Pre-emptive command (sent via port's RUP) */

/* "in-band" and "pre-emptive" port commands... */
#define	OPEN			0x00			/* Driver->RIO Open a port */
#define	CONFIG			0x01			/* Driver->RIO Configure a port */
#define	MOPEN			0x02			/* Driver->RIO Modem open (wait for DCD) */
#define	CLOSE			0x03			/* Driver->RIO Close a port */
#define	WFLUSH			(0x04|PRE_EMPTIVE)	/* Driver->RIO Write flush */
#define	RFLUSH			(0x05|PRE_EMPTIVE)	/* Driver->RIO Read flush */
#define	RESUME			(0x06|PRE_EMPTIVE)	/* Driver->RIO Behave as if XON received */
#define	SBREAK			0x07			/* Driver->RIO Start break */
#define	EBREAK			0x08			/* Driver->RIO End break */
#define	SUSPEND			(0x09|PRE_EMPTIVE)	/* Driver->RIO Behave as if XOFF received */
#define	FCLOSE			(0x0A|PRE_EMPTIVE)	/* Driver->RIO Force close */
#define	XPRINT			0x0B			/* Driver->RIO Xprint packet */
#define	MBIS			(0x0C|PRE_EMPTIVE)	/* Driver->RIO Set modem lines */
#define	MBIC			(0x0D|PRE_EMPTIVE)	/* Driver->RIO Clear modem lines */
#define	MSET			(0x0E|PRE_EMPTIVE)	/* Driver->RIO Set modem lines */
#define	PCLOSE			0x0F			/* Driver->RIO Pseudo close */
#define	MGET			(0x10|PRE_EMPTIVE)	/* Driver->RIO Force update of modem status */
#define	MEMDUMP			(0x11|PRE_EMPTIVE)	/* Driver->RIO DEBUG request for RTA memory */
#define	READ_REGISTER		(0x12|PRE_EMPTIVE)	/* Driver->RIO DEBUG read CD1400 register */

/* Remote Unit Port (RUP) packet definitions... (specified in PKT.dest_unit and PKT.src_unit) */
#define	SYNC_RUP		0xFF			/* Download internal */
#define	COMMAND_RUP		0xFE			/* Command ack/status */
#define	ERROR_RUP		0xFD			/* Download internal */
#define	POLL_RUP		0xFC			/* Download internal */
#define	BOOT_RUP		0xFB			/* Used to boot RTAs */
#define	ROUTE_RUP		0xFA			/* Used to specify routing/topology */
#define	STATUS_RUP		0xF9			/* Not used */
#define	POWER_RUP		0xF8			/* Download internal */

/* COMMAND_RUP definitions... */
#define	COMPLETE		(0x20|PRE_EMPTIVE)	/* RIO->Driver Command complete */
#define	BREAK_RECEIVED		(0x21|PRE_EMPTIVE)	/* RIO->Driver Break received */
#define	MODEM_STATUS		(0x22|PRE_EMPTIVE)	/* RIO->Driver Modem status change */

/* BOOT_RUP definitions... */
#define	BOOT_REQUEST		0x00			/* RIO->Driver Request for boot */
#define	BOOT_ABORT		0x01			/* Driver->RIO Abort a boot */
#define	BOOT_SEQUENCE		0x02			/* Driver->RIO Packet with firmware details */
#define	BOOT_COMPLETED		0x03			/* RIO->Driver Boot completed */
#define IFOAD			0x2F			/* Driver->RIO Shutdown/Reboot RTA (Fall Over And Die) */
#define	IDENTIFY		0x30			/* Driver->RIO Identify RTA */
#define	ZOMBIE			0x31			/* Driver->RIO Shutdown/Flash LEDs */
#define	UFOAD			0x32			/* Driver->RIO Shutdown/Reboot neighbouring RTA */
#define IWAIT			0x33			/* Driver->RIO Pause booting process */

/* ROUTE_RUP definitions... */
#define	ROUTE_REQUEST		0x00			/* RIO->Driver Request an ID */
#define	ROUTE_FOAD		0x01			/* Driver->RIO Shutdown/reboot RTA */
#define	ROUTE_ALREADY		0x02			/* Driver->RIO Not used */
#define	ROUTE_USED		0x03			/* Driver->RIO Not used */
#define	ROUTE_ALLOCATE		0x04			/* Driver->RIO Allocate RTA RUP numbers */
#define	ROUTE_REQ_TOP		0x05			/* Driver->RIO Not used */
#define ROUTE_TOPOLOGY		0x06			/* RIO->Driver Route/Topology status */

/*****************************************************************************
**********************************          **********************************
**********************************   OPEN   **********************************
**********************************          **********************************
*****************************************************************************/

/* (Driver->RIO,in-band)

   Sent to open a port. 
   Structure of configuration info used with OPEN, CONFIG and MOPEN packets... */

#define	PKT_Cmd			(PKT_Data+0)		/* Command code */
#define	PKT_Cor1		(PKT_Data+1)		/* Channel Option Register 1 */
#define	PKT_Cor2		(PKT_Data+2)		/* Channel Option Register 2 */
#define	PKT_Cor4		(PKT_Data+3)		/* Channel Option Register 4 */
#define	PKT_Cor5		(PKT_Data+4)		/* Channel Option Register 5 */
#define	PKT_TxXon		(PKT_Data+5)		/* Transmit XON character */
#define	PKT_TxXoff		(PKT_Data+6)		/* Transmit XOFF character */
#define	PKT_RxXon		(PKT_Data+7)		/* Receive XON character */
#define	PKT_RxXoff		(PKT_Data+8)		/* Receive XOFF character */
#define	PKT_Lnext		(PKT_Data+9)		/* Lnext character */
#define	PKT_TxBaud		(PKT_Data+10)		/* Transmit baud rate */
#define	PKT_RxBaud		(PKT_Data+11)		/* Receive baud rate */

/* COR1 definitions... */
#define	COR1_PARITY		0xE0			/* Parity mask */
#define	COR1_NONE		0x00			/* No parity */
#define	COR1_SPACE		0x20			/* Space parity */
#define	COR1_EVEN		0x40			/* Even parity */
#define	COR1_MARK		0xA0			/* Mark parity */
#define	COR1_ODD		0xC0			/* Odd parity */

#define	COR1_STOPBITS		0x0C			/* Stop bits mask */
#define	COR1_STOP1		0x00			/* 1 stop bit */
#define	COR1_STOP1_5		0x04			/* 1.5 stop bits */
#define	COR1_STOP2		0x08			/* 2 stop bits */

#define	COR1_DATABITS		0x03			/* Data bits mask */
#define	COR1_DATA5		0x00			/* 5 data bits */
#define	COR1_DATA6		0x01			/* 6 data bits */
#define	COR1_DATA7		0x02			/* 7 data bits */
#define	COR1_DATA8		0x03			/* 8 data bits */

/* COR2 definitions... */
#define	COR2_XON_TXFLOW		0x40			/* XON/XOFF Transmit Flow */
#define	COR2_XANY_TXFLOW	0xC0			/* XON/XANY Transmit Flow */
#define	COR2_HUPCL		0x20			/* Hang Up On Close */
#define	COR2_DSR_TXFLOW		0x08			/* DSR Transmit Flow Control */
#define	COR2_RTS_RXFLOW		0x04			/* RTS Receive Flow Control */
#define	COR2_CTS_TXFLOW		0x02			/* CTS Transmit Flow Control */
#define	COR2_XON_RXFLOW		0x01			/* XON/XOFF Receive Flow */

/* COR4 definition... */
#define	COR4_IGNCR		0x80			/* Discard received CR */
#define	COR4_ICRNL		0x40			/* Map received CR -> NL */
#define	COR4_INLCR		0x20			/* Map received NL -> CR */
#define	COR4_IGNBRK		0x10			/* Ignore Received Break */
#define	COR4_NBRKINT		0x08			/* No interrupt on rx Break */
#define	COR4_IGNPAR		0x04			/* ignore rx parity error chars */
#define	COR4_PARMRK		0x02			/* Mark rx parity error chars */
#define	COR4_RAISEMOD		0x01			/* Raise modem lines on !0 baud */

/* COR5 definitions... */
#define	COR5_ISTRIP		0x80			/* Strip input chars to 7 bits */
#define	COR5_LNE		0x40			/* Enable LNEXT processing */
#define	COR5_CMOE		0x20			/* Match good & error characters */
#define	COR5_TAB3		0x10			/* TAB3 mode */
#define	COR5_TSTATE_ON		0x08			/* Enable tbusy/tstop monitoring */
#define	COR5_TSTATE_OFF		0x04			/* Disable tbusy/tstop monitoring */
#define	COR5_ONLCR		0x02			/* NL -> CR NL on output */
#define	COR5_OCRNL		0x01			/* CR -> NL on output */

/* RxBaud and TxBaud definitions... */
#define	RIO_B0			0x00			/* RTS / DTR signals dropped */
#define	RIO_B50			0x01			/* 50 baud */
#define	RIO_B75			0x02			/* 75 baud */
#define	RIO_B110		0x03			/* 110 baud */
#define	RIO_B134		0x04			/* 134.5 baud */
#define	RIO_B150		0x05			/* 150 baud */
#define	RIO_B200		0x06			/* 200 baud */
#define	RIO_B300		0x07			/* 300 baud */
#define	RIO_B600		0x08			/* 600 baud */
#define	RIO_B1200		0x09			/* 1200 baud */
#define	RIO_B1800		0x0A			/* 1800 baud */
#define	RIO_B2400		0x0B			/* 2400 baud */
#define	RIO_B4800		0x0C			/* 4800 baud */
#define	RIO_B9600		0x0D			/* 9600 baud */
#define	RIO_B19200		0x0E			/* 19200 baud */
#define	RIO_B38400		0x0F			/* 38400 baud */
#define	RIO_B56000		0x10			/* 56000 baud */
#define	RIO_B57600		0x11			/* 57600 baud */
#define	RIO_B64000		0x12			/* 64000 baud */
#define	RIO_B115200		0x13			/* 115200 baud */
#define	RIO_B2000		0x14			/* 2000 baud */

/*****************************************************************************
*********************************            *********************************
*********************************   CONFIG   *********************************
*********************************            *********************************
*****************************************************************************/

/* (Driver->RIO,in-band)

   CONFIG is sent from the driver to configure an already opened port.
   Packet structure is same as OPEN.  */

/*****************************************************************************
*********************************           **********************************
*********************************   MOPEN   **********************************
*********************************           **********************************
*****************************************************************************/

/* (Driver->RIO,in-band)

   MOPEN is sent from the driver to open a port attached to a modem. (in-band)
   Packet structure is same as OPEN.  */

/*****************************************************************************
*********************************           **********************************
*********************************   CLOSE   **********************************
*********************************           **********************************
*****************************************************************************/

/* (Driver->RIO,in-band)

   CLOSE is sent from the driver to close a previously opened port.
   No parameters.
 */
#if 0
#define	PKT_Cmd			(PKT_Data+0)		/* Command code */
#endif
/*****************************************************************************
*********************************            *********************************
*********************************   WFLUSH   *********************************
*********************************            *********************************
*****************************************************************************/

/* (Driver->RIO,pre-emptive)

   WFLUSH is sent pre-emptively from the driver to flush the write buffers and
   packets of a port.  (pre-emptive)
   
   WFLUSH is also sent in-band from the driver to a port as a marker to end
   write flushing previously started by a pre-emptive WFLUSH packet. (in-band)
   */
#if 0
#define	PKT_Cmd			(PKT_Data+0)		/* Command code */
#endif
#define	PKT_PhbNum		(PKT_Data+1)		/* Port number wrt RTA */

/*****************************************************************************
*********************************            *********************************
*********************************   RFLUSH   *********************************
*********************************            *********************************
*****************************************************************************/

/* (Driver->RIO,pre-emptive)

   RFLUSH is sent pre-emptively from the driver to flush the read buffers and
   packets of a port.
   */
#if 0
#define	PKT_Cmd			(PKT_Data+0)		/* Command code */
#define	PKT_PhbNum		(PKT_Data+1)		/* Port number wrt RTA */
#endif

/*****************************************************************************
*********************************            *********************************
*********************************   RESUME   *********************************
*********************************            *********************************
*****************************************************************************/

/* (Driver->RIO,pre-emptive)

   RESUME is sent pre-emptively from the driver to cause a port to resume 
   transmission of data if blocked by XOFF.  (as if XON had been received)
   */
#if 0
#define	PKT_Cmd			(PKT_Data+0)		/* Command code */
#define	PKT_PhbNum		(PKT_Data+1)		/* Port number wrt RTA */
#endif

/*****************************************************************************
*********************************            *********************************
*********************************   SBREAK   *********************************
*********************************            *********************************
*****************************************************************************/

/* (Driver->RIO,in-band)

   SBREAK is sent in-band from the driver to a port to suspend data and start
   break signal transmission.

   If the break delay is 0, the break signal will be acknowledged with a
   RUP_COMMAND, COMPLETE packet and continue until an EBREAK packet is received.

   Otherwise, there is no acknowledgement and the break signal will last for the
   specified number of mS.
   */
#if 0
#define	PKT_Cmd			(PKT_Data+0)		/* Command code */
#endif
#define	PKT_BreakDelay		(PKT_Data+1)		/* Break delay in mS */

/*****************************************************************************
*********************************            *********************************
*********************************   EBREAK   *********************************
*********************************            *********************************
*****************************************************************************/

/* (Driver->RIO,in-band)

   EBREAK is sent in-band from the driver to a port to stop transmission of a
   break signal.

   No parameters.  */

/*****************************************************************************
*********************************             ********************************
*********************************   SUSPEND   ********************************
*********************************             ********************************
*****************************************************************************/

/* (Driver->RIO,pre-emptive)

   SUSPEND is sent pre-emptively from the driver to cause a port to suspend
   transmission of data.  (as if XOFF had been received)
   */
#if 0
#define	PKT_Cmd			(PKT_Data+0)		/* Command code */
#define	PKT_PhbNum		(PKT_Data+1)		/* Port number wrt RTA */
#endif

/*****************************************************************************
*********************************            *********************************
*********************************   FCLOSE   *********************************
*********************************            *********************************
*****************************************************************************/

/* (Driver->RIO,pre-emptive)

   FCLOSE is sent pre-emptively from the driver to force close a port.
   A force close flushes receive and transmit queues, and also lowers all output
   modem signals if the COR5_HUPCL (Hang Up On Close) flag is set.
   */
#if 0
#define	PKT_Cmd			(PKT_Data+0)		/* Command code */
#define	PKT_PhbNum		(PKT_Data+1)		/* Port number wrt RTA */
#endif

/*****************************************************************************
*********************************            *********************************
*********************************   XPRINT   *********************************
*********************************            *********************************
*****************************************************************************/

/* (Driver->RIO,in-band)

   XPRINT is sent as a normal I/O data packet except that the PKT_CMD_BIT of
   the "len" field is set, and the first "data" byte is XPRINT.

   The I/O data in the XPRINT packet will contain the following:
   -	Transparent Print Start Sequence
   -	Transparent Print Data
   -	Transparent Print Stop Sequence.
   */
#if 0
#define	PKT_Cmd			(PKT_Data+0)		/* Command code */
#define	PKT_PhbNum		(PKT_Data+1)		/* Port number wrt RTA */
#endif

/*****************************************************************************
**********************************          **********************************
**********************************   MBIS   **********************************
**********************************          **********************************
*****************************************************************************/

/* (Driver->RIO,pre-emptive)

   MBIS is sent pre-emptively from the driver to set a port's modem signals.
   */
#if 0
#define	PKT_Cmd			(PKT_Data+0)		/* Command code */
#define	PKT_PhbNum		(PKT_Data+1)		/* Port number wrt RTA */
#endif
#define	PKT_ModemSet		(PKT_Data+4)		/* Modem set signals mask */

/* ModemSet definitions... */
#define	MBIS_RTS		0x01			/* RTS modem signal */
#define	MBIS_DTR		0x02			/* DTR modem signal */

/*****************************************************************************
**********************************          **********************************
**********************************   MBIC   **********************************
**********************************          **********************************
*****************************************************************************/

/* (Driver->RIO,pre-emptive)

   MBIC is sent pre-emptively from the driver to clear a port's modem signals.
   */
#if 0   
#define	PKT_Cmd			(PKT_Data+0)		/* Command code */
#define	PKT_PhbNum		(PKT_Data+1)		/* Port number wrt RTA */
#endif

#define	PKT_ModemClear		(PKT_Data+4)		/* Modem clear signals mask */

/* ModemClear definitions... */
#define	MBIC_RTS		0x01			/* RTS modem signal */
#define	MBIC_DTR		0x02			/* DTR modem signal */

/*****************************************************************************
**********************************          **********************************
**********************************   MSET   **********************************
**********************************          **********************************
*****************************************************************************/

/* (Driver->RIO,pre-emptive)

   MSET is sent pre-emptively from the driver to set/clear a port's modem signals. */
#if 0
#define	PKT_Cmd			(PKT_Data+0)		/* Command code */
#define	PKT_PhbNum		(PKT_Data+1)		/* Port number wrt RTA */
#endif

#define	PKT_ModemSet		(PKT_Data+4)		/* Modem set signals mask */

/* ModemSet definitions... */
#define	MSET_RTS		0x01			/* RTS modem signal */
#define	MSET_DTR		0x02			/* DTR modem signal */

/*****************************************************************************
*********************************            *********************************
*********************************   PCLOSE   *********************************
*********************************            *********************************
*****************************************************************************/

/* (Driver->RIO,in-band)

   PCLOSE is sent from the driver to pseudo close a previously opened port.
   
   The port will close when all data has been sent/received, however, the
   port's transmit / receive and modem signals will be left enabled and the
   port marked internally as Pseudo Closed. */

#define	PKT_Cmd			(PKT_Data+0)		/* Command code */

/*****************************************************************************
**********************************          **********************************
**********************************   MGET   **********************************
**********************************          **********************************
*****************************************************************************/

/* (Driver->RIO,pre-emptive)

   MGET is sent pre-emptively from the driver to request the port's current modem signals. */

#define	PKT_Cmd			(PKT_Data+0)		/* Command code */
#define	PKT_PhbNum		(PKT_Data+1)		/* Port number wrt RTA */

/*****************************************************************************
*********************************             ********************************
*********************************   MEMDUMP   ********************************
*********************************             ********************************
*****************************************************************************/

/* (Driver->RIO,pre-emptive)

   MEMDUMP is sent pre-emptively from the driver to request a dump of 32 bytes
   of the specified port's RTA address space.
   */
#if 0
#define	PKT_Cmd			(PKT_Data+0)		/* Command code */
#endif
#define	PKT_PhbNum		(PKT_Data+1)		/* Port number wrt RTA */
#define	PKT_SubCmd		(PKT_Data+5)		/* Sub Command */
#define	PKT_Address		(PKT_Data+6)		/* Requested address */

/*****************************************************************************
******************************                   *****************************
******************************   READ_REGISTER   *****************************
******************************                   *****************************
*****************************************************************************/

/* (Driver->RIO,pre-emptive)

   READ_REGISTER is sent pre-emptively from the driver to request the contents
   of the CD1400 register specified in address.
   */
#if 0
#define	PKT_Cmd			(PKT_Data+0)		/* Command code */
#endif
#define	PKT_PhbNum		(PKT_Data+1)		/* Port number wrt RTA */
#define	PKT_SubCmd		(PKT_Data+5)		/* Sub Command */
#define	PKT_Address		(PKT_Data+6)		/* Requested address */

/*****************************************************************************
************************                            **************************
************************   COMMAND_RUP - COMPLETE   **************************
************************                            **************************
*****************************************************************************/

/* (RIO->Driver,pre-emptive)

   COMMAND_RUP - COMPLETE is sent in response to all port I/O control command
   packets, except MEMDUMP and READ_REGISTER.
   */
#if 0
#define	PKT_Cmd			(PKT_Data+0)		/* Command code */
#endif
#define	PKT_PhbNum		(PKT_Data+1)		/* Port number wrt RTA */
#define	PKT_Cmd2		(PKT_Data+2)		/* Command code copy */
#define	PKT_ModemStatus		(PKT_Data+3)		/* Modem signal status */
#define	PKT_PortStatus		(PKT_Data+4)		/* Port signal status */
#define	PKT_SubCmd		(PKT_Data+5)		/* Sub Command */

/* ModemStatus definitions... */
#define	MODEM_DSR		0x80			/* Data Set Ready modem state */
#define	MODEM_CTS		0x40			/* Clear To Send modem state */
#define	MODEM_RI		0x20			/* Ring Indicate modem state */
#define	MODEM_CD		0x10			/* Carrier Detect modem state */
#define	MODEM_TSTOP		0x08			/* Transmit Stopped state */
#define	MODEM_TEMPTY		0x04			/* Transmit Empty state */
#define	MODEM_DTR		0x02			/* DTR modem output state */
#define	MODEM_RTS		0x01			/* RTS modem output state */

/* PortStatus definitions... */
#define	PORT_ISOPEN		0x01			/* Port open ? */
#define	PORT_HUPCL		0x02			/* Hangup on close? */
#define	PORT_MOPENPEND		0x04			/* Modem open pending */
#define	PORT_ISPARALLEL		0x08			/* Parallel port */
#define	PORT_BREAK		0x10			/* Port on break */
#define	PORT_STATUSPEND		0020			/* Status packet pending */
#define	PORT_BREAKPEND		0x40			/* Break packet pending */
#define	PORT_MODEMPEND		0x80			/* Modem status packet pending */

/*****************************************************************************
************************                            **************************
************************   COMMAND_RUP - COMPLETE   **************************
************************                            **************************
*****************************************************************************/

/* (RIO->Driver,pre-emptive)

   COMMAND_RUP - COMPLETE is sent in response to all port I/O control command
   packets, except MEMDUMP and READ_REGISTER.
   */
#if 0
#define	PKT_Cmd			(PKT_Data+0)		/* Command code */
#define	PKT_PhbNum		(PKT_Data+1)		/* Port number wrt RTA */
#define	PKT_Cmd2		(PKT_Data+2)		/* Command code copy */
#endif
#define	PKT_ModemStatus		(PKT_Data+3)		/* Modem signal status */
#define	PKT_PortStatus		(PKT_Data+4)		/* Port signal status */
#if 0
#define	PKT_SubCmd		(PKT_Data+5)		/* Sub Command */
#endif

/* ModemStatus definitions... */
#define	MODEM_DSR		0x80			/* Data Set Ready modem state */
#define	MODEM_CTS		0x40			/* Clear To Send modem state */
#define	MODEM_RI		0x20			/* Ring Indicate modem state */
#define	MODEM_CD		0x10			/* Carrier Detect modem state */
#define	MODEM_TSTOP		0x08			/* Transmit Stopped state */
#define	MODEM_TEMPTY		0x04			/* Transmit Empty state */
#define	MODEM_DTR		0x02			/* DTR modem output state */
#define	MODEM_RTS		0x01			/* RTS modem output state */

/* PortStatus definitions... */
#define	PORT_ISOPEN		0x01			/* Port open ? */
#define	PORT_HUPCL		0x02			/* Hangup on close? */
#define	PORT_MOPENPEND		0x04			/* Modem open pending */
#define	PORT_ISPARALLEL		0x08			/* Parallel port */
#define	PORT_BREAK		0x10			/* Port on break */
#define	PORT_STATUSPEND		0020			/* Status packet pending */
#define	PORT_BREAKPEND		0x40			/* Break packet pending */
#define	PORT_MODEMPEND		0x80			/* Modem status packet pending */

/*****************************************************************************
********************                                      ********************
********************   COMMAND_RUP - COMPLETE - MEMDUMP   ********************
********************                                      ********************
*****************************************************************************/

/* (RIO->Driver,pre-emptive)

   COMMAND_RUP - COMPLETE - MEMDUMP is sent as an acknowledgement for a MEMDUMP
   port I/O control command packet.
   */
#if 0
#define	PKT_Cmd			(PKT_Data+0)		/* Command code */
#define	PKT_PhbNum		(PKT_Data+1)		/* Port number wrt RTA */
#define	PKT_Cmd2		(PKT_Data+2)		/* Command code copy */
#define	PKT_ModemStatus		(PKT_Data+3)		/* Modem signal status */
#define	PKT_PortStatus		(PKT_Data+4)		/* Port signal status */
#define	PKT_SubCmd		(PKT_Data+5)		/* Sub Command */
#define	PKT_Address		(PKT_Data+6)		/* Requested address */
#endif
#define	PKT_Dump		(PKT_Data+8)		/* 32bytes of requested dump data */

/*****************************************************************************
*****************                                            *****************
*****************   COMMAND_RUP - COMPLETE - READ_REGISTER   *****************
*****************                                            *****************
*****************************************************************************/

/* (RIO->Driver,pre-emptive)

   COMMAND_RUP - COMPLETE - READ_REGISTER is sent as an acknowledgement for a
   READ_REGISTER port I/O control command packet.
   */
#if 0
#define	PKT_Cmd			(PKT_Data+0)		/*Command code */
#define	PKT_PhbNum		(PKT_Data+1)		/*Port number wrt RTA */
#define	PKT_Cmd2		(PKT_Data+2)		/* Command code copy */
#endif
#define	PKT_RegisterValue	(PKT_Data+3)		/* Modem signal status */
#if 0
#define	PKT_PortStatus		(PKT_Data+4)		/* Port signal status */
#define	PKT_SubCmd		(PKT_Data+5)		/* Sub Command */
#endif

/*****************************************************************************
*********************                                  ***********************
*********************   COMMAND_RUP - BREAK_RECEIVED   ***********************
*********************                                  ***********************
*****************************************************************************/

/* (RIO->Driver,pre-emptive)

   COMMAND_RUP - BREAK_RECEIVED packets are sent when the port detects a receive BREAK signal.
   */
#if 0
#define	PKT_Cmd			(PKT_Data+0)		/* Command code */
#define	PKT_PhbNum		(PKT_Data+1)		/* Port number wrt RTA */
#define	PKT_Cmd2		(PKT_Data+2)		/* Command code copy */
#endif

/*****************************************************************************
*********************                                *************************
*********************   COMMAND_RUP - MODEM_STATUS   *************************
*********************                                *************************
*****************************************************************************/

/* (RIO->Driver,pre-emptive)

   COMMAND_RUP - MODEM_STATUS packets are sent whenever the port detects a
   change in the input modem signal states.

   */
#if 0
#define	PKT_Cmd			(PKT_Data+0)		/* Command code */
#define	PKT_PhbNum		(PKT_Data+1)		/* Port number wrt RTA */
#define	PKT_Cmd2		(PKT_Data+2)		/* Command code copy */
#define	PKT_ModemStatus		(PKT_Data+3)		/* Modem signal status */
#endif

/*****************************************************************************
************************                             *************************
************************   BOOT_RUP - BOOT_REQUEST   *************************
************************                             *************************
*****************************************************************************/

/* (RIO->Driver,pre-emptive)

   BOOT_RUP - BOOT_REQUEST packets are sent to the Driver from RIO to request
   firmware code to load onto attached RTAs.
   */
#if 0
#define	PKT_Cmd			(PKT_Data+0)		/* Command code */
#endif

/*****************************************************************************
************************                              ************************
************************   BOOT_RUP - BOOT_SEQUENCE   ************************
************************                              ************************
*****************************************************************************/

/* (Driver->RIO,pre-emptive)

   BOOT_RUP - BOOT_SEQUENCE packets are sent from the Driver to RIO in response
   to a BOOT_RUP - BOOT_REQUEST packet.
   */
#if 0
#define	PKT_Cmd			(PKT_Data+0)		/* Command code */
#endif
#define	PKT_NumPackets		(PKT_Data+2)		/* Packets required to load firmware */
#define	PKT_LoadBase		(PKT_Data+4)		/* RTA firmware load address */
#define	PKT_CodeSize		(PKT_Data+6)		/* Size of firmware in bytes */
#define	PKT_CmdString		(PKT_Data+8)		/* Command string */

/*****************************************************************************
************************                               ***********************
************************   BOOT_RUP - BOOT_COMPLETED   ***********************
************************                               ***********************
*****************************************************************************/

/* (RIO->Driver,pre-emptive)

   BOOT_RUP - BOOT_COMPLETE is sent to the Driver from RIO when downloading of
   RTA firmware has completed.
   */
#if 0
#define	PKT_Cmd			(PKT_Data+0)		/* Command code */
#endif
#define	PKT_LinkNumber		(PKT_Data+1)		/* Link number RTA booted on */
#define	PKT_SerialNumber	(PKT_Data+2)		/* 4 byte serial number */

/*****************************************************************************
************************                               ***********************
************************   BOOT_RUP - Packet Request   ***********************
************************                               ***********************
*****************************************************************************/

/* (RIO->Driver,pre-emptive)

   BOOT_RUP packet without the PKT_CMD_BIT set in the PKT->len field is sent
   from RIO to the Driver as a request for a firmware boot packet. */

#define	PKT_SequenceNumber	(PKT_Data+0)		/* Packet sequence number */

/*****************************************************************************
***********************                                ***********************
***********************   BOOT_RUP - Packet Response   ***********************
***********************                                ***********************
*****************************************************************************/

/* (Driver->RIO,pre-emptive)

   In response to a BOOT_RUP boot packet request, the driver fills out the response
   packet with the 70 bytes of the requested sequence.
   */
#if 0
#define	PKT_SequenceNumber	(PKT_Data+0)		/* Packet sequence number */
#endif
#define	PKT_FirmwarePacket	(PKT_Data+2)		/* Firmware packet */

/*****************************************************************************
****************************                      ****************************
****************************   BOOT_RUP - IFOAD   ****************************
****************************                      ****************************
*****************************************************************************/

/* (Driver->RIO,pre-emptive)

   BOOT_RUP - IFOAD packets are sent from the Driver to an RTA to cause the
   RTA to shut down and reboot.
   */
#if 0
#define	PKT_Cmd			(PKT_Data+0)		/* Command code */
#endif
#define	PKT_IfoadId1		(PKT_Data+2)		/* IFOAD Id 1 */
#define	PKT_IfoadId2		(PKT_Data+3)		/* IFOAD Id 2 */

#define	IFOADID1		0xAD
#define	IFOADID2		0xF0

/*****************************************************************************
**************************                         ***************************
**************************   BOOT_RUP - IDENTIFY   ***************************
**************************                         ***************************
*****************************************************************************/

/* (Driver->RIO,pre-emptive)

   BOOT_RUP - IDENTIFY packets are sent from the Driver to an RTA to cause the
   RTA to flash its LEDs for a period of time.
   */
#if 0
#define	PKT_Cmd			(PKT_Data+0)		/* Command code */
#endif
#define	PKT_IdentifyId		(PKT_Data+2)		/* defines pattern to flash */

/*****************************************************************************
****************************                       ***************************
****************************   BOOT_RUP - ZOMBIE   ***************************
****************************                       ***************************
*****************************************************************************/

/* (Driver->RIO,pre-emptive)

   BOOT_RUP - ZOMBIE packets are sent from the Driver to an RTA to cause the
   RTA to shut down and flash it's LEDs.
   */
#if 0
#define	PKT_Cmd			(PKT_Data+0)		/* Command code */
#endif
#define	PKT_ZombieId1		(PKT_Data+2)		/* ZOMBIE Id 1 */
#define	PKT_ZombieId2		(PKT_Data+3)		/* ZOMBIE Id 2 */

#define	ZOMBIEID1		0x52
#define	ZOMBIEID2		0x21

/*****************************************************************************
****************************                      ****************************
****************************   BOOT_RUP - UFOAD   ****************************
****************************                      ****************************
*****************************************************************************/

/* (Driver->RIO,pre-emptive)

   BOOT_RUP - UFOAD packets are sent from the Driver to an RTA to cause the RTA
   to ask it's neighbouring RTA to shut down and reboot.
   */
#if 0
#define	PKT_Cmd			(PKT_Data+0)		/* Command code */
#define	PKT_LinkNumber		(PKT_Data+1)		/* Link number of RTA to UFOAD */
#endif
#define	PKT_UfoadId1		(PKT_Data+2)		/* UFOAD Id 1 */
#define	PKT_UfoadId2		(PKT_Data+3)		/* UFOAD Id 2 */

#define	UFOADID1		0x1E
#define	UFOADID2		0x0D

/*****************************************************************************
****************************                      ****************************
****************************   BOOT_RUP - IWAIT   ****************************
****************************                      ****************************
*****************************************************************************/

/* (Driver->RIO,pre-emptive)

   BOOT_RUP - IWAIT packets are sent from the Driver to an RTA to cause the RTA
   to pause booting on the specified link for 30 seconds.
   */
#if 0
#define	PKT_Cmd			(PKT_Data+0)		/* Command code */
#define	PKT_LinkNumber		(PKT_Data+1)		/* Link number of RTA to UFOAD */
#endif
#define	PKT_IwaitId1		(PKT_Data+2)		/* IWAIT Id 1 */
#define	PKT_IwaitId2		(PKT_Data+3)		/* IWAIT Id 2 */

#define	IWAITID1		0xDE
#define	IWAITID2		0xB1

/*****************************************************************************
************************                               ***********************
************************   ROUTE_RUP - ROUTE_REQUEST   ***********************
************************                               ***********************
*****************************************************************************/

/* (RIO->Driver,pre-emptive)

   ROUTE_RUP - ROUTE_REQUEST packets are sent from a newly booted or connected
   RTA to a Driver to request an ID (RUP or unit number).
   */
#if 0
#define	PKT_Cmd			(PKT_Data+0)		/* Command code */
#endif
#define	PKT_SerialNumber	(PKT_Data+2)		/* 4 byte serial number */
#define	PKT_ModuleTypes		(PKT_Data+6)		/* RTA Module types */

/* ModuleTypes definitions... */
#define	MOD_BLANK		0x0F			/* Blank plate attached */
#define	MOD_RS232DB25		0x00			/* RS232 DB25 connector */
#define	MOD_RS232RJ45		0x01			/* RS232 RJ45 connector */
#define	MOD_RS422DB25		0x02			/* RS422 DB25 connector */
#define	MOD_RS485DB25		0x03			/* RS485 DB25 connector */
#define	MOD_PARALLEL		0x04			/* Centronics parallel */

#define	MOD2			0x08			/* Set to indicate Rev2 module */

/*****************************************************************************
*************************                            *************************
*************************   ROUTE_RUP - ROUTE_FOAD   *************************
*************************                            *************************
*****************************************************************************/

/* (Driver->RIO,pre-emptive)

   ROUTE_RUP - ROUTE_FOAD packet is sent as a response to a ROUTE_RUP - ROUTE_REQUEST
   packet to cause the RTA to "Fall Over And Die"., i.e. shutdown and reboot.
   */
#if 0
#define	PKT_Cmd			(PKT_Data+0)		/* Command code */
#endif
#define	PKT_RouteCmdString	(PKT_Data+2)		/* Command string */

/*****************************************************************************
***********************                                ***********************
***********************   ROUTE_RUP - ROUTE_ALLOCATE   ***********************
***********************                                ***********************
*****************************************************************************/

/* (Driver->RIO,pre-emptive)

   ROUTE_RUP - ROUTE_ALLOCATE packet is sent as a response to a ROUTE_RUP - ROUTE_REQUEST
   packet to allocate the RTA's Id number (RUP number 1..16)
   */
#if 0
#define	PKT_Cmd			(PKT_Data+0)		/* Command code */
#endif
#define	PKT_IdNum		(PKT_Data+1)		/* RUP number for ports 1..8 */
#if 0
#define	PKT_RouteCmdString	(PKT_Data+2)		/* Command string */
#endif
#define	PKT_IdNum2		(PKT_Data+0x17)		/* RUP number for ports 9..16 */

/*****************************************************************************
***********************                                ***********************
***********************   ROUTE_RUP - ROUTE_TOPOLOGY   ***********************
***********************                                ***********************
*****************************************************************************/

/* (RIO->Driver,pre-emptive)

   ROUTE_RUP - ROUTE_TOPOLOGY packet is sent to inform the driver of an RTA's
   current link status.
   */
#if 0
#define	PKT_Cmd			(PKT_Data+0)		/* Command code */
#endif
#define	PKT_Link1Rup		(PKT_Data+2)		/* Link 1 RUP number */
#define	PKT_Link1Link		(PKT_Data+3)		/* Link 1 link number */
#define	PKT_Link2Rup		(PKT_Data+4)		/* Link 2 RUP number */
#define	PKT_Link2Link		(PKT_Data+5)		/* Link 2 link number */
#define	PKT_Link3Rup		(PKT_Data+6)		/* Link 3 RUP number */
#define	PKT_Link3Link		(PKT_Data+7)		/* Link 3 link number */
#define	PKT_Link4Rup		(PKT_Data+8)		/* Link 4 RUP number */
#define	PKT_Link4Link		(PKT_Data+9)		/* Link 4 link number */
#define	PKT_RtaVpdProm		(PKT_Data+10)		/* 32 bytes of RTA VPD PROM Contents */

#endif						/* _sxwinif_h */

/* End of RIOWINIF.H */