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
|
/**************************************************************************
* Initio 9100 device driver for Linux.
*
* Copyright (c) 1994-1998 Initio Corporation
* All rights reserved.
*
* Cleanups (c) Copyright 2007 Red Hat <alan@lxorguk.ukuu.org.uk>
*
* 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, 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; see the file COPYING. If not, write to
* the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR 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 AUTHOR 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.
*
**************************************************************************/
#include <linux/types.h>
#define TOTAL_SG_ENTRY 32
#define MAX_SUPPORTED_ADAPTERS 8
#define MAX_OFFSET 15
#define MAX_TARGETS 16
typedef struct {
unsigned short base;
unsigned short vec;
} i91u_config;
/***************************************/
/* Tulip Configuration Register Set */
/***************************************/
#define TUL_PVID 0x00 /* Vendor ID */
#define TUL_PDID 0x02 /* Device ID */
#define TUL_PCMD 0x04 /* Command */
#define TUL_PSTUS 0x06 /* Status */
#define TUL_PRID 0x08 /* Revision number */
#define TUL_PPI 0x09 /* Programming interface */
#define TUL_PSC 0x0A /* Sub Class */
#define TUL_PBC 0x0B /* Base Class */
#define TUL_PCLS 0x0C /* Cache line size */
#define TUL_PLTR 0x0D /* Latency timer */
#define TUL_PHDT 0x0E /* Header type */
#define TUL_PBIST 0x0F /* BIST */
#define TUL_PBAD 0x10 /* Base address */
#define TUL_PBAD1 0x14 /* Base address */
#define TUL_PBAD2 0x18 /* Base address */
#define TUL_PBAD3 0x1C /* Base address */
#define TUL_PBAD4 0x20 /* Base address */
#define TUL_PBAD5 0x24 /* Base address */
#define TUL_PRSVD 0x28 /* Reserved */
#define TUL_PRSVD1 0x2C /* Reserved */
#define TUL_PRAD 0x30 /* Expansion ROM base address */
#define TUL_PRSVD2 0x34 /* Reserved */
#define TUL_PRSVD3 0x38 /* Reserved */
#define TUL_PINTL 0x3C /* Interrupt line */
#define TUL_PINTP 0x3D /* Interrupt pin */
#define TUL_PIGNT 0x3E /* MIN_GNT */
#define TUL_PMGNT 0x3F /* MAX_GNT */
/************************/
/* Jasmin Register Set */
/************************/
#define TUL_HACFG0 0x40 /* H/A Configuration Register 0 */
#define TUL_HACFG1 0x41 /* H/A Configuration Register 1 */
#define TUL_HACFG2 0x42 /* H/A Configuration Register 2 */
#define TUL_SDCFG0 0x44 /* SCSI Device Configuration 0 */
#define TUL_SDCFG1 0x45 /* SCSI Device Configuration 1 */
#define TUL_SDCFG2 0x46 /* SCSI Device Configuration 2 */
#define TUL_SDCFG3 0x47 /* SCSI Device Configuration 3 */
#define TUL_GINTS 0x50 /* Global Interrupt Status Register */
#define TUL_GIMSK 0x52 /* Global Interrupt MASK Register */
#define TUL_GCTRL 0x54 /* Global Control Register */
#define TUL_GCTRL_EEPROM_BIT 0x04
#define TUL_GCTRL1 0x55 /* Global Control Register */
#define TUL_DMACFG 0x5B /* DMA configuration */
#define TUL_NVRAM 0x5D /* Non-volatile RAM port */
#define TUL_SCnt0 0x80 /* 00 R/W Transfer Counter Low */
#define TUL_SCnt1 0x81 /* 01 R/W Transfer Counter Mid */
#define TUL_SCnt2 0x82 /* 02 R/W Transfer Count High */
#define TUL_SFifoCnt 0x83 /* 03 R FIFO counter */
#define TUL_SIntEnable 0x84 /* 03 W Interrupt enble */
#define TUL_SInt 0x84 /* 04 R Interrupt Register */
#define TUL_SCtrl0 0x85 /* 05 W Control 0 */
#define TUL_SStatus0 0x85 /* 05 R Status 0 */
#define TUL_SCtrl1 0x86 /* 06 W Control 1 */
#define TUL_SStatus1 0x86 /* 06 R Status 1 */
#define TUL_SConfig 0x87 /* 07 W Configuration */
#define TUL_SStatus2 0x87 /* 07 R Status 2 */
#define TUL_SPeriod 0x88 /* 08 W Sync. Transfer Period & Offset */
#define TUL_SOffset 0x88 /* 08 R Offset */
#define TUL_SScsiId 0x89 /* 09 W SCSI ID */
#define TUL_SBusId 0x89 /* 09 R SCSI BUS ID */
#define TUL_STimeOut 0x8A /* 0A W Sel/Resel Time Out Register */
#define TUL_SIdent 0x8A /* 0A R Identify Message Register */
#define TUL_SAvail 0x8A /* 0A R Available Counter Register */
#define TUL_SData 0x8B /* 0B R/W SCSI data in/out */
#define TUL_SFifo 0x8C /* 0C R/W FIFO */
#define TUL_SSignal 0x90 /* 10 R/W SCSI signal in/out */
#define TUL_SCmd 0x91 /* 11 R/W Command */
#define TUL_STest0 0x92 /* 12 R/W Test0 */
#define TUL_STest1 0x93 /* 13 R/W Test1 */
#define TUL_SCFG1 0x94 /* 14 R/W Configuration */
#define TUL_XAddH 0xC0 /*DMA Transfer Physical Address */
#define TUL_XAddW 0xC8 /*DMA Current Transfer Physical Address */
#define TUL_XCntH 0xD0 /*DMA Transfer Counter */
#define TUL_XCntW 0xD4 /*DMA Current Transfer Counter */
#define TUL_XCmd 0xD8 /*DMA Command Register */
#define TUL_Int 0xDC /*Interrupt Register */
#define TUL_XStatus 0xDD /*DMA status Register */
#define TUL_Mask 0xE0 /*Interrupt Mask Register */
#define TUL_XCtrl 0xE4 /*DMA Control Register */
#define TUL_XCtrl1 0xE5 /*DMA Control Register 1 */
#define TUL_XFifo 0xE8 /*DMA FIFO */
#define TUL_WCtrl 0xF7 /*Bus master wait state control */
#define TUL_DCtrl 0xFB /*DMA delay control */
/*----------------------------------------------------------------------*/
/* bit definition for Command register of Configuration Space Header */
/*----------------------------------------------------------------------*/
#define BUSMS 0x04 /* BUS MASTER Enable */
#define IOSPA 0x01 /* IO Space Enable */
/*----------------------------------------------------------------------*/
/* Command Codes of Tulip SCSI Command register */
/*----------------------------------------------------------------------*/
#define TSC_EN_RESEL 0x80 /* Enable Reselection */
#define TSC_CMD_COMP 0x84 /* Command Complete Sequence */
#define TSC_SEL 0x01 /* Select Without ATN Sequence */
#define TSC_SEL_ATN 0x11 /* Select With ATN Sequence */
#define TSC_SEL_ATN_DMA 0x51 /* Select With ATN Sequence with DMA */
#define TSC_SEL_ATN3 0x31 /* Select With ATN3 Sequence */
#define TSC_SEL_ATNSTOP 0x12 /* Select With ATN and Stop Sequence */
#define TSC_SELATNSTOP 0x1E /* Select With ATN and Stop Sequence */
#define TSC_SEL_ATN_DIRECT_IN 0x95 /* Select With ATN Sequence */
#define TSC_SEL_ATN_DIRECT_OUT 0x15 /* Select With ATN Sequence */
#define TSC_SEL_ATN3_DIRECT_IN 0xB5 /* Select With ATN3 Sequence */
#define TSC_SEL_ATN3_DIRECT_OUT 0x35 /* Select With ATN3 Sequence */
#define TSC_XF_DMA_OUT_DIRECT 0x06 /* DMA Xfer Information out */
#define TSC_XF_DMA_IN_DIRECT 0x86 /* DMA Xfer Information in */
#define TSC_XF_DMA_OUT 0x43 /* DMA Xfer Information out */
#define TSC_XF_DMA_IN 0xC3 /* DMA Xfer Information in */
#define TSC_XF_FIFO_OUT 0x03 /* FIFO Xfer Information out */
#define TSC_XF_FIFO_IN 0x83 /* FIFO Xfer Information in */
#define TSC_MSG_ACCEPT 0x0F /* Message Accept */
/*----------------------------------------------------------------------*/
/* bit definition for Tulip SCSI Control 0 Register */
/*----------------------------------------------------------------------*/
#define TSC_RST_SEQ 0x20 /* Reset sequence counter */
#define TSC_FLUSH_FIFO 0x10 /* Flush FIFO */
#define TSC_ABT_CMD 0x04 /* Abort command (sequence) */
#define TSC_RST_CHIP 0x02 /* Reset SCSI Chip */
#define TSC_RST_BUS 0x01 /* Reset SCSI Bus */
/*----------------------------------------------------------------------*/
/* bit definition for Tulip SCSI Control 1 Register */
/*----------------------------------------------------------------------*/
#define TSC_EN_SCAM 0x80 /* Enable SCAM */
#define TSC_TIMER 0x40 /* Select timeout unit */
#define TSC_EN_SCSI2 0x20 /* SCSI-2 mode */
#define TSC_PWDN 0x10 /* Power down mode */
#define TSC_WIDE_CPU 0x08 /* Wide CPU */
#define TSC_HW_RESELECT 0x04 /* Enable HW reselect */
#define TSC_EN_BUS_OUT 0x02 /* Enable SCSI data bus out latch */
#define TSC_EN_BUS_IN 0x01 /* Enable SCSI data bus in latch */
/*----------------------------------------------------------------------*/
/* bit definition for Tulip SCSI Configuration Register */
/*----------------------------------------------------------------------*/
#define TSC_EN_LATCH 0x80 /* Enable phase latch */
#define TSC_INITIATOR 0x40 /* Initiator mode */
#define TSC_EN_SCSI_PAR 0x20 /* Enable SCSI parity */
#define TSC_DMA_8BIT 0x10 /* Alternate dma 8-bits mode */
#define TSC_DMA_16BIT 0x08 /* Alternate dma 16-bits mode */
#define TSC_EN_WDACK 0x04 /* Enable DACK while wide SCSI xfer */
#define TSC_ALT_PERIOD 0x02 /* Alternate sync period mode */
#define TSC_DIS_SCSIRST 0x01 /* Disable SCSI bus reset us */
#define TSC_INITDEFAULT (TSC_INITIATOR | TSC_EN_LATCH | TSC_ALT_PERIOD | TSC_DIS_SCSIRST)
#define TSC_WIDE_SCSI 0x80 /* Enable Wide SCSI */
/*----------------------------------------------------------------------*/
/* bit definition for Tulip SCSI signal Register */
/*----------------------------------------------------------------------*/
#define TSC_RST_ACK 0x00 /* Release ACK signal */
#define TSC_RST_ATN 0x00 /* Release ATN signal */
#define TSC_RST_BSY 0x00 /* Release BSY signal */
#define TSC_SET_ACK 0x40 /* ACK signal */
#define TSC_SET_ATN 0x08 /* ATN signal */
#define TSC_REQI 0x80 /* REQ signal */
#define TSC_ACKI 0x40 /* ACK signal */
#define TSC_BSYI 0x20 /* BSY signal */
#define TSC_SELI 0x10 /* SEL signal */
#define TSC_ATNI 0x08 /* ATN signal */
#define TSC_MSGI 0x04 /* MSG signal */
#define TSC_CDI 0x02 /* C/D signal */
#define TSC_IOI 0x01 /* I/O signal */
/*----------------------------------------------------------------------*/
/* bit definition for Tulip SCSI Status 0 Register */
/*----------------------------------------------------------------------*/
#define TSS_INT_PENDING 0x80 /* Interrupt pending */
#define TSS_SEQ_ACTIVE 0x40 /* Sequencer active */
#define TSS_XFER_CNT 0x20 /* Transfer counter zero */
#define TSS_FIFO_EMPTY 0x10 /* FIFO empty */
#define TSS_PAR_ERROR 0x08 /* SCSI parity error */
#define TSS_PH_MASK 0x07 /* SCSI phase mask */
/*----------------------------------------------------------------------*/
/* bit definition for Tulip SCSI Status 1 Register */
/*----------------------------------------------------------------------*/
#define TSS_STATUS_RCV 0x08 /* Status received */
#define TSS_MSG_SEND 0x40 /* Message sent */
#define TSS_CMD_PH_CMP 0x20 /* command phase done */
#define TSS_DATA_PH_CMP 0x10 /* Data phase done */
#define TSS_STATUS_SEND 0x08 /* Status sent */
#define TSS_XFER_CMP 0x04 /* Transfer completed */
#define TSS_SEL_CMP 0x02 /* Selection completed */
#define TSS_ARB_CMP 0x01 /* Arbitration completed */
/*----------------------------------------------------------------------*/
/* bit definition for Tulip SCSI Status 2 Register */
/*----------------------------------------------------------------------*/
#define TSS_CMD_ABTED 0x80 /* Command aborted */
#define TSS_OFFSET_0 0x40 /* Offset counter zero */
#define TSS_FIFO_FULL 0x20 /* FIFO full */
#define TSS_TIMEOUT_0 0x10 /* Timeout counter zero */
#define TSS_BUSY_RLS 0x08 /* Busy release */
#define TSS_PH_MISMATCH 0x04 /* Phase mismatch */
#define TSS_SCSI_BUS_EN 0x02 /* SCSI data bus enable */
#define TSS_SCSIRST 0x01 /* SCSI bus reset in progress */
/*----------------------------------------------------------------------*/
/* bit definition for Tulip SCSI Interrupt Register */
/*----------------------------------------------------------------------*/
#define TSS_RESEL_INT 0x80 /* Reselected interrupt */
#define TSS_SEL_TIMEOUT 0x40 /* Selected/reselected timeout */
#define TSS_BUS_SERV 0x20
#define TSS_SCSIRST_INT 0x10 /* SCSI bus reset detected */
#define TSS_DISC_INT 0x08 /* Disconnected interrupt */
#define TSS_SEL_INT 0x04 /* Select interrupt */
#define TSS_SCAM_SEL 0x02 /* SCAM selected */
#define TSS_FUNC_COMP 0x01
/*----------------------------------------------------------------------*/
/* SCSI Phase Codes. */
/*----------------------------------------------------------------------*/
#define DATA_OUT 0
#define DATA_IN 1 /* 4 */
#define CMD_OUT 2
#define STATUS_IN 3 /* 6 */
#define MSG_OUT 6 /* 3 */
#define MSG_IN 7
/*----------------------------------------------------------------------*/
/* Command Codes of Tulip xfer Command register */
/*----------------------------------------------------------------------*/
#define TAX_X_FORC 0x02
#define TAX_X_ABT 0x04
#define TAX_X_CLR_FIFO 0x08
#define TAX_X_IN 0x21
#define TAX_X_OUT 0x01
#define TAX_SG_IN 0xA1
#define TAX_SG_OUT 0x81
/*----------------------------------------------------------------------*/
/* Tulip Interrupt Register */
/*----------------------------------------------------------------------*/
#define XCMP 0x01
#define FCMP 0x02
#define XABT 0x04
#define XERR 0x08
#define SCMP 0x10
#define IPEND 0x80
/*----------------------------------------------------------------------*/
/* Tulip DMA Status Register */
/*----------------------------------------------------------------------*/
#define XPEND 0x01 /* Transfer pending */
#define FEMPTY 0x02 /* FIFO empty */
/*----------------------------------------------------------------------*/
/* bit definition for TUL_GCTRL */
/*----------------------------------------------------------------------*/
#define EXTSG 0x80
#define EXTAD 0x60
#define SEG4K 0x08
#define EEPRG 0x04
#define MRMUL 0x02
/*----------------------------------------------------------------------*/
/* bit definition for TUL_NVRAM */
/*----------------------------------------------------------------------*/
#define SE2CS 0x08
#define SE2CLK 0x04
#define SE2DO 0x02
#define SE2DI 0x01
/************************************************************************/
/* Scatter-Gather Element Structure */
/************************************************************************/
struct sg_entry {
u32 data; /* Data Pointer */
u32 len; /* Data Length */
};
/***********************************************************************
SCSI Control Block
************************************************************************/
struct scsi_ctrl_blk {
struct scsi_ctrl_blk *next;
u8 status; /*4 */
u8 next_state; /*5 */
u8 mode; /*6 */
u8 msgin; /*7 SCB_Res0 */
u16 sgidx; /*8 */
u16 sgmax; /*A */
#ifdef ALPHA
u32 reserved[2]; /*C */
#else
u32 reserved[3]; /*C */
#endif
u32 xferlen; /*18 Current xfer len */
u32 totxlen; /*1C Total xfer len */
u32 paddr; /*20 SCB phy. Addr. */
u8 opcode; /*24 SCB command code */
u8 flags; /*25 SCB Flags */
u8 target; /*26 Target Id */
u8 lun; /*27 Lun */
u32 bufptr; /*28 Data Buffer Pointer */
u32 buflen; /*2C Data Allocation Length */
u8 sglen; /*30 SG list # */
u8 senselen; /*31 Sense Allocation Length */
u8 hastat; /*32 */
u8 tastat; /*33 */
u8 cdblen; /*34 CDB Length */
u8 ident; /*35 Identify */
u8 tagmsg; /*36 Tag Message */
u8 tagid; /*37 Queue Tag */
u8 cdb[12]; /*38 */
u32 sgpaddr; /*44 SG List/Sense Buf phy. Addr. */
u32 senseptr; /*48 Sense data pointer */
void (*post) (u8 *, u8 *); /*4C POST routine */
struct scsi_cmnd *srb; /*50 SRB Pointer */
struct sg_entry sglist[TOTAL_SG_ENTRY]; /*54 Start of SG list */
};
/* Bit Definition for status */
#define SCB_RENT 0x01
#define SCB_PEND 0x02
#define SCB_CONTIG 0x04 /* Contingent Allegiance */
#define SCB_SELECT 0x08
#define SCB_BUSY 0x10
#define SCB_DONE 0x20
/* Opcodes for opcode */
#define ExecSCSI 0x1
#define BusDevRst 0x2
#define AbortCmd 0x3
/* Bit Definition for mode */
#define SCM_RSENS 0x01 /* request sense mode */
/* Bit Definition for flags */
#define SCF_DONE 0x01
#define SCF_POST 0x02
#define SCF_SENSE 0x04
#define SCF_DIR 0x18
#define SCF_NO_DCHK 0x00
#define SCF_DIN 0x08
#define SCF_DOUT 0x10
#define SCF_NO_XF 0x18
#define SCF_WR_VF 0x20 /* Write verify turn on */
#define SCF_POLL 0x40
#define SCF_SG 0x80
/* Error Codes for SCB_HaStat */
#define HOST_SEL_TOUT 0x11
#define HOST_DO_DU 0x12
#define HOST_BUS_FREE 0x13
#define HOST_BAD_PHAS 0x14
#define HOST_INV_CMD 0x16
#define HOST_ABORTED 0x1A /* 07/21/98 */
#define HOST_SCSI_RST 0x1B
#define HOST_DEV_RST 0x1C
/* Error Codes for SCB_TaStat */
#define TARGET_CHKCOND 0x02
#define TARGET_BUSY 0x08
#define INI_QUEUE_FULL 0x28
/***********************************************************************
Target Device Control Structure
**********************************************************************/
struct target_control {
u16 flags;
u8 js_period;
u8 sconfig0;
u16 drv_flags;
u8 heads;
u8 sectors;
};
/***********************************************************************
Target Device Control Structure
**********************************************************************/
/* Bit Definition for TCF_Flags */
#define TCF_SCSI_RATE 0x0007
#define TCF_EN_DISC 0x0008
#define TCF_NO_SYNC_NEGO 0x0010
#define TCF_NO_WDTR 0x0020
#define TCF_EN_255 0x0040
#define TCF_EN_START 0x0080
#define TCF_WDTR_DONE 0x0100
#define TCF_SYNC_DONE 0x0200
#define TCF_BUSY 0x0400
/* Bit Definition for TCF_DrvFlags */
#define TCF_DRV_BUSY 0x01 /* Indicate target busy(driver) */
#define TCF_DRV_EN_TAG 0x0800
#define TCF_DRV_255_63 0x0400
/***********************************************************************
Host Adapter Control Structure
************************************************************************/
struct initio_host {
u16 addr; /* 00 */
u16 bios_addr; /* 02 */
u8 irq; /* 04 */
u8 scsi_id; /* 05 */
u8 max_tar; /* 06 */
u8 num_scbs; /* 07 */
u8 flags; /* 08 */
u8 index; /* 09 */
u8 ha_id; /* 0A */
u8 config; /* 0B */
u16 idmask; /* 0C */
u8 semaph; /* 0E */
u8 phase; /* 0F */
u8 jsstatus0; /* 10 */
u8 jsint; /* 11 */
u8 jsstatus1; /* 12 */
u8 sconf1; /* 13 */
u8 msg[8]; /* 14 */
struct scsi_ctrl_blk *next_avail; /* 1C */
struct scsi_ctrl_blk *scb; /* 20 */
struct scsi_ctrl_blk *scb_end; /* 24 */ /*UNUSED*/
struct scsi_ctrl_blk *next_pending; /* 28 */
struct scsi_ctrl_blk *next_contig; /* 2C */ /*UNUSED*/
struct scsi_ctrl_blk *active; /* 30 */
struct target_control *active_tc; /* 34 */
struct scsi_ctrl_blk *first_avail; /* 38 */
struct scsi_ctrl_blk *last_avail; /* 3C */
struct scsi_ctrl_blk *first_pending; /* 40 */
struct scsi_ctrl_blk *last_pending; /* 44 */
struct scsi_ctrl_blk *first_busy; /* 48 */
struct scsi_ctrl_blk *last_busy; /* 4C */
struct scsi_ctrl_blk *first_done; /* 50 */
struct scsi_ctrl_blk *last_done; /* 54 */
u8 max_tags[16]; /* 58 */
u8 act_tags[16]; /* 68 */
struct target_control targets[MAX_TARGETS]; /* 78 */
spinlock_t avail_lock;
spinlock_t semaph_lock;
struct pci_dev *pci_dev;
};
/* Bit Definition for HCB_Config */
#define HCC_SCSI_RESET 0x01
#define HCC_EN_PAR 0x02
#define HCC_ACT_TERM1 0x04
#define HCC_ACT_TERM2 0x08
#define HCC_AUTO_TERM 0x10
#define HCC_EN_PWR 0x80
/* Bit Definition for HCB_Flags */
#define HCF_EXPECT_DISC 0x01
#define HCF_EXPECT_SELECT 0x02
#define HCF_EXPECT_RESET 0x10
#define HCF_EXPECT_DONE_DISC 0x20
/******************************************************************
Serial EEProm
*******************************************************************/
typedef struct _NVRAM_SCSI { /* SCSI channel configuration */
u8 NVM_ChSCSIID; /* 0Ch -> Channel SCSI ID */
u8 NVM_ChConfig1; /* 0Dh -> Channel config 1 */
u8 NVM_ChConfig2; /* 0Eh -> Channel config 2 */
u8 NVM_NumOfTarg; /* 0Fh -> Number of SCSI target */
/* SCSI target configuration */
u8 NVM_Targ0Config; /* 10h -> Target 0 configuration */
u8 NVM_Targ1Config; /* 11h -> Target 1 configuration */
u8 NVM_Targ2Config; /* 12h -> Target 2 configuration */
u8 NVM_Targ3Config; /* 13h -> Target 3 configuration */
u8 NVM_Targ4Config; /* 14h -> Target 4 configuration */
u8 NVM_Targ5Config; /* 15h -> Target 5 configuration */
u8 NVM_Targ6Config; /* 16h -> Target 6 configuration */
u8 NVM_Targ7Config; /* 17h -> Target 7 configuration */
u8 NVM_Targ8Config; /* 18h -> Target 8 configuration */
u8 NVM_Targ9Config; /* 19h -> Target 9 configuration */
u8 NVM_TargAConfig; /* 1Ah -> Target A configuration */
u8 NVM_TargBConfig; /* 1Bh -> Target B configuration */
u8 NVM_TargCConfig; /* 1Ch -> Target C configuration */
u8 NVM_TargDConfig; /* 1Dh -> Target D configuration */
u8 NVM_TargEConfig; /* 1Eh -> Target E configuration */
u8 NVM_TargFConfig; /* 1Fh -> Target F configuration */
} NVRAM_SCSI;
typedef struct _NVRAM {
/*----------header ---------------*/
u16 NVM_Signature; /* 0,1: Signature */
u8 NVM_Size; /* 2: Size of data structure */
u8 NVM_Revision; /* 3: Revision of data structure */
/* ----Host Adapter Structure ---- */
u8 NVM_ModelByte0; /* 4: Model number (byte 0) */
u8 NVM_ModelByte1; /* 5: Model number (byte 1) */
u8 NVM_ModelInfo; /* 6: Model information */
u8 NVM_NumOfCh; /* 7: Number of SCSI channel */
u8 NVM_BIOSConfig1; /* 8: BIOS configuration 1 */
u8 NVM_BIOSConfig2; /* 9: BIOS configuration 2 */
u8 NVM_HAConfig1; /* A: Hoat adapter configuration 1 */
u8 NVM_HAConfig2; /* B: Hoat adapter configuration 2 */
NVRAM_SCSI NVM_SCSIInfo[2];
u8 NVM_reserved[10];
/* ---------- CheckSum ---------- */
u16 NVM_CheckSum; /* 0x3E, 0x3F: Checksum of NVRam */
} NVRAM, *PNVRAM;
/* Bios Configuration for nvram->BIOSConfig1 */
#define NBC1_ENABLE 0x01 /* BIOS enable */
#define NBC1_8DRIVE 0x02 /* Support more than 2 drives */
#define NBC1_REMOVABLE 0x04 /* Support removable drive */
#define NBC1_INT19 0x08 /* Intercept int 19h */
#define NBC1_BIOSSCAN 0x10 /* Dynamic BIOS scan */
#define NBC1_LUNSUPPORT 0x40 /* Support LUN */
/* HA Configuration Byte 1 */
#define NHC1_BOOTIDMASK 0x0F /* Boot ID number */
#define NHC1_LUNMASK 0x70 /* Boot LUN number */
#define NHC1_CHANMASK 0x80 /* Boot Channel number */
/* Bit definition for nvram->SCSIconfig1 */
#define NCC1_BUSRESET 0x01 /* Reset SCSI bus at power up */
#define NCC1_PARITYCHK 0x02 /* SCSI parity enable */
#define NCC1_ACTTERM1 0x04 /* Enable active terminator 1 */
#define NCC1_ACTTERM2 0x08 /* Enable active terminator 2 */
#define NCC1_AUTOTERM 0x10 /* Enable auto terminator */
#define NCC1_PWRMGR 0x80 /* Enable power management */
/* Bit definition for SCSI Target configuration byte */
#define NTC_DISCONNECT 0x08 /* Enable SCSI disconnect */
#define NTC_SYNC 0x10 /* SYNC_NEGO */
#define NTC_NO_WDTR 0x20 /* SYNC_NEGO */
#define NTC_1GIGA 0x40 /* 255 head / 63 sectors (64/32) */
#define NTC_SPINUP 0x80 /* Start disk drive */
/* Default NVRam values */
#define INI_SIGNATURE 0xC925
#define NBC1_DEFAULT (NBC1_ENABLE)
#define NCC1_DEFAULT (NCC1_BUSRESET | NCC1_AUTOTERM | NCC1_PARITYCHK)
#define NTC_DEFAULT (NTC_NO_WDTR | NTC_1GIGA | NTC_DISCONNECT)
/* SCSI related definition */
#define DISC_NOT_ALLOW 0x80 /* Disconnect is not allowed */
#define DISC_ALLOW 0xC0 /* Disconnect is allowed */
#define SCSICMD_RequestSense 0x03
#define SCSI_ABORT_SNOOZE 0
#define SCSI_ABORT_SUCCESS 1
#define SCSI_ABORT_PENDING 2
#define SCSI_ABORT_BUSY 3
#define SCSI_ABORT_NOT_RUNNING 4
#define SCSI_ABORT_ERROR 5
#define SCSI_RESET_SNOOZE 0
#define SCSI_RESET_PUNT 1
#define SCSI_RESET_SUCCESS 2
#define SCSI_RESET_PENDING 3
#define SCSI_RESET_WAKEUP 4
#define SCSI_RESET_NOT_RUNNING 5
#define SCSI_RESET_ERROR 6
#define SCSI_RESET_SYNCHRONOUS 0x01
#define SCSI_RESET_ASYNCHRONOUS 0x02
#define SCSI_RESET_SUGGEST_BUS_RESET 0x04
#define SCSI_RESET_SUGGEST_HOST_RESET 0x08
#define SCSI_RESET_BUS_RESET 0x100
#define SCSI_RESET_HOST_RESET 0x200
#define SCSI_RESET_ACTION 0xff
|