summaryrefslogtreecommitdiff
path: root/drivers/scsi/arcmsr/arcmsr.h
blob: 9220bcf8388fa1a4fbb42dc8a90f1caad230e0e4 (plain)
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
/*
*******************************************************************************
**        O.S   : Linux
**   FILE NAME  : arcmsr.h
**        BY    : Nick Cheng
**   Description: SCSI RAID Device Driver for
**                ARECA RAID Host adapter
*******************************************************************************
** Copyright (C) 2002 - 2005, Areca Technology Corporation All rights reserved.
**
**     Web site: www.areca.com.tw
**       E-mail: support@areca.com.tw
**
** This program is free software; you can redistribute it and/or modify
** it under the terms of the GNU General Public License version 2 as
** published by the Free Software Foundation.
** 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.
*******************************************************************************
** Redistribution and use in source and binary forms, with or without
** modification, are permitted provided that the following conditions
** are met:
** 1. Redistributions of source code must retain the above copyright
**    notice, this list of conditions and the following disclaimer.
** 2. Redistributions in binary form must reproduce the above copyright
**    notice, this list of conditions and the following disclaimer in the
**    documentation and/or other materials provided with the distribution.
** 3. The name of the author may not be used to endorse or promote products
**    derived from this software without specific prior written permission.
**
** THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 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/interrupt.h>
struct device_attribute;
/*The limit of outstanding scsi command that firmware can handle*/
#define ARCMSR_MAX_FREECCB_NUM		1024
#define ARCMSR_MAX_OUTSTANDING_CMD	1024
#define ARCMSR_DEFAULT_OUTSTANDING_CMD	128
#define ARCMSR_MIN_OUTSTANDING_CMD	32
#define ARCMSR_DRIVER_VERSION		"v1.40.00.10-20190116"
#define ARCMSR_SCSI_INITIATOR_ID	255
#define ARCMSR_MAX_XFER_SECTORS		512
#define ARCMSR_MAX_XFER_SECTORS_B	4096
#define ARCMSR_MAX_XFER_SECTORS_C	304
#define ARCMSR_MAX_TARGETID		17
#define ARCMSR_MAX_TARGETLUN		8
#define ARCMSR_MAX_CMD_PERLUN		128
#define ARCMSR_DEFAULT_CMD_PERLUN	32
#define ARCMSR_MIN_CMD_PERLUN		1
#define ARCMSR_MAX_QBUFFER		4096
#define ARCMSR_DEFAULT_SG_ENTRIES	38
#define ARCMSR_MAX_HBB_POSTQUEUE	264
#define ARCMSR_MAX_ARC1214_POSTQUEUE	256
#define ARCMSR_MAX_ARC1214_DONEQUEUE	257
#define ARCMSR_MAX_HBE_DONEQUEUE	512
#define ARCMSR_MAX_XFER_LEN		0x26000 /* 152K */
#define ARCMSR_CDB_SG_PAGE_LENGTH	256
#define ARCMST_NUM_MSIX_VECTORS		4
#ifndef PCI_DEVICE_ID_ARECA_1880
#define PCI_DEVICE_ID_ARECA_1880	0x1880
#endif
#ifndef PCI_DEVICE_ID_ARECA_1214
#define PCI_DEVICE_ID_ARECA_1214	0x1214
#endif
#ifndef PCI_DEVICE_ID_ARECA_1203
#define PCI_DEVICE_ID_ARECA_1203	0x1203
#endif
#ifndef PCI_DEVICE_ID_ARECA_1884
#define PCI_DEVICE_ID_ARECA_1884	0x1884
#endif
#define	ARCMSR_HOURS			(1000 * 60 * 60 * 4)
#define	ARCMSR_MINUTES			(1000 * 60 * 60)
/*
**********************************************************************************
**
**********************************************************************************
*/
#define ARC_SUCCESS	0
#define ARC_FAILURE	1
/*
*******************************************************************************
**        split 64bits dma addressing
*******************************************************************************
*/
#define dma_addr_hi32(addr)	(uint32_t) ((addr>>16)>>16)
#define dma_addr_lo32(addr)	(uint32_t) (addr & 0xffffffff)
/*
*******************************************************************************
**        MESSAGE CONTROL CODE
*******************************************************************************
*/
struct CMD_MESSAGE
{
      uint32_t HeaderLength;
      uint8_t  Signature[8];
      uint32_t Timeout;
      uint32_t ControlCode;
      uint32_t ReturnCode;
      uint32_t Length;
};
/*
*******************************************************************************
**        IOP Message Transfer Data for user space
*******************************************************************************
*/
#define	ARCMSR_API_DATA_BUFLEN	1032
struct CMD_MESSAGE_FIELD
{
    struct CMD_MESSAGE			cmdmessage;
    uint8_t				messagedatabuffer[ARCMSR_API_DATA_BUFLEN];
};
/* IOP message transfer */
#define ARCMSR_MESSAGE_FAIL			0x0001
/* DeviceType */
#define ARECA_SATA_RAID				0x90000000
/* FunctionCode */
#define FUNCTION_READ_RQBUFFER			0x0801
#define FUNCTION_WRITE_WQBUFFER			0x0802
#define FUNCTION_CLEAR_RQBUFFER			0x0803
#define FUNCTION_CLEAR_WQBUFFER			0x0804
#define FUNCTION_CLEAR_ALLQBUFFER		0x0805
#define FUNCTION_RETURN_CODE_3F			0x0806
#define FUNCTION_SAY_HELLO			0x0807
#define FUNCTION_SAY_GOODBYE			0x0808
#define FUNCTION_FLUSH_ADAPTER_CACHE		0x0809
#define FUNCTION_GET_FIRMWARE_STATUS		0x080A
#define FUNCTION_HARDWARE_RESET			0x080B
/* ARECA IO CONTROL CODE*/
#define ARCMSR_MESSAGE_READ_RQBUFFER       \
	ARECA_SATA_RAID | FUNCTION_READ_RQBUFFER
#define ARCMSR_MESSAGE_WRITE_WQBUFFER      \
	ARECA_SATA_RAID | FUNCTION_WRITE_WQBUFFER
#define ARCMSR_MESSAGE_CLEAR_RQBUFFER      \
	ARECA_SATA_RAID | FUNCTION_CLEAR_RQBUFFER
#define ARCMSR_MESSAGE_CLEAR_WQBUFFER      \
	ARECA_SATA_RAID | FUNCTION_CLEAR_WQBUFFER
#define ARCMSR_MESSAGE_CLEAR_ALLQBUFFER    \
	ARECA_SATA_RAID | FUNCTION_CLEAR_ALLQBUFFER
#define ARCMSR_MESSAGE_RETURN_CODE_3F      \
	ARECA_SATA_RAID | FUNCTION_RETURN_CODE_3F
#define ARCMSR_MESSAGE_SAY_HELLO           \
	ARECA_SATA_RAID | FUNCTION_SAY_HELLO
#define ARCMSR_MESSAGE_SAY_GOODBYE         \
	ARECA_SATA_RAID | FUNCTION_SAY_GOODBYE
#define ARCMSR_MESSAGE_FLUSH_ADAPTER_CACHE \
	ARECA_SATA_RAID | FUNCTION_FLUSH_ADAPTER_CACHE
/* ARECA IOCTL ReturnCode */
#define ARCMSR_MESSAGE_RETURNCODE_OK		0x00000001
#define ARCMSR_MESSAGE_RETURNCODE_ERROR		0x00000006
#define ARCMSR_MESSAGE_RETURNCODE_3F		0x0000003F
#define ARCMSR_MESSAGE_RETURNCODE_BUS_HANG_ON	0x00000088
/*
*************************************************************
**   structure for holding DMA address data
*************************************************************
*/
#define IS_DMA64	(sizeof(dma_addr_t) == 8)
#define IS_SG64_ADDR	0x01000000 /* bit24 */
struct  SG32ENTRY
{
	__le32		length;
	__le32		address;
}__attribute__ ((packed));
struct  SG64ENTRY
{
	__le32		length;
	__le32		address;
	__le32		addresshigh;
}__attribute__ ((packed));
/*
********************************************************************
**      Q Buffer of IOP Message Transfer
********************************************************************
*/
struct QBUFFER
{
	uint32_t      data_len;
	uint8_t       data[124];
};
/*
*******************************************************************************
**      FIRMWARE INFO for Intel IOP R 80331 processor (Type A)
*******************************************************************************
*/
struct FIRMWARE_INFO
{
	uint32_t	signature;		/*0, 00-03*/
	uint32_t	request_len;		/*1, 04-07*/
	uint32_t	numbers_queue;		/*2, 08-11*/
	uint32_t	sdram_size;		/*3, 12-15*/
	uint32_t	ide_channels;		/*4, 16-19*/
	char		vendor[40];		/*5, 20-59*/
	char		model[8];		/*15, 60-67*/
	char		firmware_ver[16];     	/*17, 68-83*/
	char		device_map[16];		/*21, 84-99*/
	uint32_t	cfgVersion;		/*25,100-103 Added for checking of new firmware capability*/
	uint8_t		cfgSerial[16];		/*26,104-119*/
	uint32_t	cfgPicStatus;		/*30,120-123*/
};
/* signature of set and get firmware config */
#define ARCMSR_SIGNATURE_GET_CONFIG		0x87974060
#define ARCMSR_SIGNATURE_SET_CONFIG		0x87974063
/* message code of inbound message register */
#define ARCMSR_INBOUND_MESG0_NOP		0x00000000
#define ARCMSR_INBOUND_MESG0_GET_CONFIG		0x00000001
#define ARCMSR_INBOUND_MESG0_SET_CONFIG		0x00000002
#define ARCMSR_INBOUND_MESG0_ABORT_CMD		0x00000003
#define ARCMSR_INBOUND_MESG0_STOP_BGRB		0x00000004
#define ARCMSR_INBOUND_MESG0_FLUSH_CACHE	0x00000005
#define ARCMSR_INBOUND_MESG0_START_BGRB		0x00000006
#define ARCMSR_INBOUND_MESG0_CHK331PENDING	0x00000007
#define ARCMSR_INBOUND_MESG0_SYNC_TIMER		0x00000008
/* doorbell interrupt generator */
#define ARCMSR_INBOUND_DRIVER_DATA_WRITE_OK	0x00000001
#define ARCMSR_INBOUND_DRIVER_DATA_READ_OK	0x00000002
#define ARCMSR_OUTBOUND_IOP331_DATA_WRITE_OK	0x00000001
#define ARCMSR_OUTBOUND_IOP331_DATA_READ_OK	0x00000002
/* ccb areca cdb flag */
#define ARCMSR_CCBPOST_FLAG_SGL_BSIZE		0x80000000
#define ARCMSR_CCBPOST_FLAG_IAM_BIOS		0x40000000
#define ARCMSR_CCBREPLY_FLAG_IAM_BIOS		0x40000000
#define ARCMSR_CCBREPLY_FLAG_ERROR_MODE0	0x10000000
#define ARCMSR_CCBREPLY_FLAG_ERROR_MODE1	0x00000001
/* outbound firmware ok */
#define ARCMSR_OUTBOUND_MESG1_FIRMWARE_OK	0x80000000
/* ARC-1680 Bus Reset*/
#define ARCMSR_ARC1680_BUS_RESET		0x00000003
/* ARC-1880 Bus Reset*/
#define ARCMSR_ARC1880_RESET_ADAPTER		0x00000024
#define ARCMSR_ARC1880_DiagWrite_ENABLE		0x00000080

/*
************************************************************************
**                SPEC. for Areca Type B adapter
************************************************************************
*/
/* ARECA HBB COMMAND for its FIRMWARE */
/* window of "instruction flags" from driver to iop */
#define ARCMSR_DRV2IOP_DOORBELL                       0x00020400
#define ARCMSR_DRV2IOP_DOORBELL_MASK                  0x00020404
/* window of "instruction flags" from iop to driver */
#define ARCMSR_IOP2DRV_DOORBELL                       0x00020408
#define ARCMSR_IOP2DRV_DOORBELL_MASK                  0x0002040C
/* window of "instruction flags" from iop to driver */
#define ARCMSR_IOP2DRV_DOORBELL_1203                  0x00021870
#define ARCMSR_IOP2DRV_DOORBELL_MASK_1203             0x00021874
/* window of "instruction flags" from driver to iop */
#define ARCMSR_DRV2IOP_DOORBELL_1203                  0x00021878
#define ARCMSR_DRV2IOP_DOORBELL_MASK_1203             0x0002187C
/* ARECA FLAG LANGUAGE */
/* ioctl transfer */
#define ARCMSR_IOP2DRV_DATA_WRITE_OK                  0x00000001
/* ioctl transfer */
#define ARCMSR_IOP2DRV_DATA_READ_OK                   0x00000002
#define ARCMSR_IOP2DRV_CDB_DONE                       0x00000004
#define ARCMSR_IOP2DRV_MESSAGE_CMD_DONE               0x00000008

#define ARCMSR_DOORBELL_HANDLE_INT		      0x0000000F
#define ARCMSR_DOORBELL_INT_CLEAR_PATTERN   	      0xFF00FFF0
#define ARCMSR_MESSAGE_INT_CLEAR_PATTERN	      0xFF00FFF7
/* (ARCMSR_INBOUND_MESG0_GET_CONFIG<<16)|ARCMSR_DRV2IOP_MESSAGE_CMD_POSTED) */
#define ARCMSR_MESSAGE_GET_CONFIG		      0x00010008
/* (ARCMSR_INBOUND_MESG0_SET_CONFIG<<16)|ARCMSR_DRV2IOP_MESSAGE_CMD_POSTED) */
#define ARCMSR_MESSAGE_SET_CONFIG		      0x00020008
/* (ARCMSR_INBOUND_MESG0_ABORT_CMD<<16)|ARCMSR_DRV2IOP_MESSAGE_CMD_POSTED) */
#define ARCMSR_MESSAGE_ABORT_CMD		      0x00030008
/* (ARCMSR_INBOUND_MESG0_STOP_BGRB<<16)|ARCMSR_DRV2IOP_MESSAGE_CMD_POSTED) */
#define ARCMSR_MESSAGE_STOP_BGRB		      0x00040008
/* (ARCMSR_INBOUND_MESG0_FLUSH_CACHE<<16)|ARCMSR_DRV2IOP_MESSAGE_CMD_POSTED) */
#define ARCMSR_MESSAGE_FLUSH_CACHE                    0x00050008
/* (ARCMSR_INBOUND_MESG0_START_BGRB<<16)|ARCMSR_DRV2IOP_MESSAGE_CMD_POSTED) */
#define ARCMSR_MESSAGE_START_BGRB		      0x00060008
#define ARCMSR_MESSAGE_SYNC_TIMER		      0x00080008
#define ARCMSR_MESSAGE_START_DRIVER_MODE	      0x000E0008
#define ARCMSR_MESSAGE_SET_POST_WINDOW		      0x000F0008
#define ARCMSR_MESSAGE_ACTIVE_EOI_MODE		      0x00100008
/* ARCMSR_OUTBOUND_MESG1_FIRMWARE_OK */
#define ARCMSR_MESSAGE_FIRMWARE_OK		      0x80000000
/* ioctl transfer */
#define ARCMSR_DRV2IOP_DATA_WRITE_OK                  0x00000001
/* ioctl transfer */
#define ARCMSR_DRV2IOP_DATA_READ_OK                   0x00000002
#define ARCMSR_DRV2IOP_CDB_POSTED                     0x00000004
#define ARCMSR_DRV2IOP_MESSAGE_CMD_POSTED             0x00000008
#define ARCMSR_DRV2IOP_END_OF_INTERRUPT	              0x00000010

/* data tunnel buffer between user space program and its firmware */
/* user space data to iop 128bytes */
#define ARCMSR_MESSAGE_WBUFFER			      0x0000fe00
/* iop data to user space 128bytes */
#define ARCMSR_MESSAGE_RBUFFER			      0x0000ff00
/* iop message_rwbuffer for message command */
#define ARCMSR_MESSAGE_RWBUFFER			      0x0000fa00

#define MEM_BASE0(x)	(u32 __iomem *)((unsigned long)acb->mem_base0 + x)
#define MEM_BASE1(x)	(u32 __iomem *)((unsigned long)acb->mem_base1 + x)
/* 
************************************************************************
**                SPEC. for Areca HBC adapter
************************************************************************
*/
#define ARCMSR_HBC_ISR_THROTTLING_LEVEL		12
#define ARCMSR_HBC_ISR_MAX_DONE_QUEUE		20
/* Host Interrupt Mask */
#define ARCMSR_HBCMU_UTILITY_A_ISR_MASK		0x00000001 /* When clear, the Utility_A interrupt routes to the host.*/
#define ARCMSR_HBCMU_OUTBOUND_DOORBELL_ISR_MASK	0x00000004 /* When clear, the General Outbound Doorbell interrupt routes to the host.*/
#define ARCMSR_HBCMU_OUTBOUND_POSTQUEUE_ISR_MASK	0x00000008 /* When clear, the Outbound Post List FIFO Not Empty interrupt routes to the host.*/
#define ARCMSR_HBCMU_ALL_INTMASKENABLE		0x0000000D /* disable all ISR */
/* Host Interrupt Status */
#define ARCMSR_HBCMU_UTILITY_A_ISR		0x00000001
	/*
	** Set when the Utility_A Interrupt bit is set in the Outbound Doorbell Register.
	** It clears by writing a 1 to the Utility_A bit in the Outbound Doorbell Clear Register or through automatic clearing (if enabled).
	*/
#define ARCMSR_HBCMU_OUTBOUND_DOORBELL_ISR	0x00000004
	/*
	** Set if Outbound Doorbell register bits 30:1 have a non-zero
	** value. This bit clears only when Outbound Doorbell bits
	** 30:1 are ALL clear. Only a write to the Outbound Doorbell
	** Clear register clears bits in the Outbound Doorbell register.
	*/
#define ARCMSR_HBCMU_OUTBOUND_POSTQUEUE_ISR	0x00000008
	/*
	** Set whenever the Outbound Post List Producer/Consumer
	** Register (FIFO) is not empty. It clears when the Outbound
	** Post List FIFO is empty.
	*/
#define ARCMSR_HBCMU_SAS_ALL_INT		0x00000010
	/*
	** This bit indicates a SAS interrupt from a source external to
	** the PCIe core. This bit is not maskable.
	*/
	/* DoorBell*/
#define ARCMSR_HBCMU_DRV2IOP_DATA_WRITE_OK			0x00000002
#define ARCMSR_HBCMU_DRV2IOP_DATA_READ_OK			0x00000004
	/*inbound message 0 ready*/
#define ARCMSR_HBCMU_DRV2IOP_MESSAGE_CMD_DONE			0x00000008
	/*more than 12 request completed in a time*/
#define ARCMSR_HBCMU_DRV2IOP_POSTQUEUE_THROTTLING		0x00000010
#define ARCMSR_HBCMU_IOP2DRV_DATA_WRITE_OK			0x00000002
	/*outbound DATA WRITE isr door bell clear*/
#define ARCMSR_HBCMU_IOP2DRV_DATA_WRITE_DOORBELL_CLEAR		0x00000002
#define ARCMSR_HBCMU_IOP2DRV_DATA_READ_OK			0x00000004
	/*outbound DATA READ isr door bell clear*/
#define ARCMSR_HBCMU_IOP2DRV_DATA_READ_DOORBELL_CLEAR		0x00000004
	/*outbound message 0 ready*/
#define ARCMSR_HBCMU_IOP2DRV_MESSAGE_CMD_DONE			0x00000008
	/*outbound message cmd isr door bell clear*/
#define ARCMSR_HBCMU_IOP2DRV_MESSAGE_CMD_DONE_DOORBELL_CLEAR	0x00000008
	/*ARCMSR_HBAMU_MESSAGE_FIRMWARE_OK*/
#define ARCMSR_HBCMU_MESSAGE_FIRMWARE_OK			0x80000000
/*
*******************************************************************************
**                SPEC. for Areca Type D adapter
*******************************************************************************
*/
#define ARCMSR_ARC1214_CHIP_ID				0x00004
#define ARCMSR_ARC1214_CPU_MEMORY_CONFIGURATION		0x00008
#define ARCMSR_ARC1214_I2_HOST_INTERRUPT_MASK		0x00034
#define ARCMSR_ARC1214_SAMPLE_RESET			0x00100
#define ARCMSR_ARC1214_RESET_REQUEST			0x00108
#define ARCMSR_ARC1214_MAIN_INTERRUPT_STATUS		0x00200
#define ARCMSR_ARC1214_PCIE_F0_INTERRUPT_ENABLE		0x0020C
#define ARCMSR_ARC1214_INBOUND_MESSAGE0			0x00400
#define ARCMSR_ARC1214_INBOUND_MESSAGE1			0x00404
#define ARCMSR_ARC1214_OUTBOUND_MESSAGE0		0x00420
#define ARCMSR_ARC1214_OUTBOUND_MESSAGE1		0x00424
#define ARCMSR_ARC1214_INBOUND_DOORBELL			0x00460
#define ARCMSR_ARC1214_OUTBOUND_DOORBELL		0x00480
#define ARCMSR_ARC1214_OUTBOUND_DOORBELL_ENABLE		0x00484
#define ARCMSR_ARC1214_INBOUND_LIST_BASE_LOW		0x01000
#define ARCMSR_ARC1214_INBOUND_LIST_BASE_HIGH		0x01004
#define ARCMSR_ARC1214_INBOUND_LIST_WRITE_POINTER	0x01018
#define ARCMSR_ARC1214_OUTBOUND_LIST_BASE_LOW		0x01060
#define ARCMSR_ARC1214_OUTBOUND_LIST_BASE_HIGH		0x01064
#define ARCMSR_ARC1214_OUTBOUND_LIST_COPY_POINTER	0x0106C
#define ARCMSR_ARC1214_OUTBOUND_LIST_READ_POINTER	0x01070
#define ARCMSR_ARC1214_OUTBOUND_INTERRUPT_CAUSE		0x01088
#define ARCMSR_ARC1214_OUTBOUND_INTERRUPT_ENABLE	0x0108C
#define ARCMSR_ARC1214_MESSAGE_WBUFFER			0x02000
#define ARCMSR_ARC1214_MESSAGE_RBUFFER			0x02100
#define ARCMSR_ARC1214_MESSAGE_RWBUFFER			0x02200
/* Host Interrupt Mask */
#define ARCMSR_ARC1214_ALL_INT_ENABLE			0x00001010
#define ARCMSR_ARC1214_ALL_INT_DISABLE			0x00000000
/* Host Interrupt Status */
#define ARCMSR_ARC1214_OUTBOUND_DOORBELL_ISR		0x00001000
#define ARCMSR_ARC1214_OUTBOUND_POSTQUEUE_ISR		0x00000010
/* DoorBell*/
#define ARCMSR_ARC1214_DRV2IOP_DATA_IN_READY		0x00000001
#define ARCMSR_ARC1214_DRV2IOP_DATA_OUT_READ		0x00000002
/*inbound message 0 ready*/
#define ARCMSR_ARC1214_IOP2DRV_DATA_WRITE_OK		0x00000001
/*outbound DATA WRITE isr door bell clear*/
#define ARCMSR_ARC1214_IOP2DRV_DATA_READ_OK		0x00000002
/*outbound message 0 ready*/
#define ARCMSR_ARC1214_IOP2DRV_MESSAGE_CMD_DONE		0x02000000
/*outbound message cmd isr door bell clear*/
/*ARCMSR_HBAMU_MESSAGE_FIRMWARE_OK*/
#define ARCMSR_ARC1214_MESSAGE_FIRMWARE_OK		0x80000000
#define ARCMSR_ARC1214_OUTBOUND_LIST_INTERRUPT_CLEAR	0x00000001
/*
*******************************************************************************
**                SPEC. for Areca Type E adapter
*******************************************************************************
*/
#define ARCMSR_SIGNATURE_1884			0x188417D3

#define ARCMSR_HBEMU_DRV2IOP_DATA_WRITE_OK	0x00000002
#define ARCMSR_HBEMU_DRV2IOP_DATA_READ_OK	0x00000004
#define ARCMSR_HBEMU_DRV2IOP_MESSAGE_CMD_DONE	0x00000008

#define ARCMSR_HBEMU_IOP2DRV_DATA_WRITE_OK	0x00000002
#define ARCMSR_HBEMU_IOP2DRV_DATA_READ_OK	0x00000004
#define ARCMSR_HBEMU_IOP2DRV_MESSAGE_CMD_DONE	0x00000008

#define ARCMSR_HBEMU_MESSAGE_FIRMWARE_OK	0x80000000

#define ARCMSR_HBEMU_OUTBOUND_DOORBELL_ISR	0x00000001
#define ARCMSR_HBEMU_OUTBOUND_POSTQUEUE_ISR	0x00000008
#define ARCMSR_HBEMU_ALL_INTMASKENABLE		0x00000009

/* ARC-1884 doorbell sync */
#define ARCMSR_HBEMU_DOORBELL_SYNC		0x100
#define ARCMSR_ARC188X_RESET_ADAPTER		0x00000004
#define ARCMSR_ARC1884_DiagWrite_ENABLE		0x00000080
/*
*******************************************************************************
**    ARECA SCSI COMMAND DESCRIPTOR BLOCK size 0x1F8 (504)
*******************************************************************************
*/
struct ARCMSR_CDB
{
	uint8_t		Bus;
	uint8_t		TargetID;
	uint8_t		LUN;
	uint8_t		Function;
	uint8_t		CdbLength;
	uint8_t		sgcount;
	uint8_t		Flags;
#define ARCMSR_CDB_FLAG_SGL_BSIZE          0x01
#define ARCMSR_CDB_FLAG_BIOS               0x02
#define ARCMSR_CDB_FLAG_WRITE              0x04
#define ARCMSR_CDB_FLAG_SIMPLEQ            0x00
#define ARCMSR_CDB_FLAG_HEADQ              0x08
#define ARCMSR_CDB_FLAG_ORDEREDQ           0x10

	uint8_t		msgPages;
	uint32_t	msgContext;
	uint32_t	DataLength;
	uint8_t		Cdb[16];
	uint8_t		DeviceStatus;
#define ARCMSR_DEV_CHECK_CONDITION	    0x02
#define ARCMSR_DEV_SELECT_TIMEOUT	    0xF0
#define ARCMSR_DEV_ABORTED		    0xF1
#define ARCMSR_DEV_INIT_FAIL		    0xF2

	uint8_t		SenseData[15];
	union
	{
		struct SG32ENTRY	sg32entry[1];
		struct SG64ENTRY	sg64entry[1];
	} u;
};
/*
*******************************************************************************
**     Messaging Unit (MU) of the Intel R 80331 I/O processor(Type A) and Type B processor
*******************************************************************************
*/
struct MessageUnit_A
{
	uint32_t	resrved0[4];			/*0000 000F*/
	uint32_t	inbound_msgaddr0;		/*0010 0013*/
	uint32_t	inbound_msgaddr1;		/*0014 0017*/
	uint32_t	outbound_msgaddr0;		/*0018 001B*/
	uint32_t	outbound_msgaddr1;		/*001C 001F*/
	uint32_t	inbound_doorbell;		/*0020 0023*/
	uint32_t	inbound_intstatus;		/*0024 0027*/
	uint32_t	inbound_intmask;		/*0028 002B*/
	uint32_t	outbound_doorbell;		/*002C 002F*/
	uint32_t	outbound_intstatus;		/*0030 0033*/
	uint32_t	outbound_intmask;		/*0034 0037*/
	uint32_t	reserved1[2];			/*0038 003F*/
	uint32_t	inbound_queueport;		/*0040 0043*/
	uint32_t	outbound_queueport;     	/*0044 0047*/
	uint32_t	reserved2[2];			/*0048 004F*/
	uint32_t	reserved3[492];			/*0050 07FF 492*/
	uint32_t	reserved4[128];			/*0800 09FF 128*/
	uint32_t	message_rwbuffer[256];		/*0a00 0DFF 256*/
	uint32_t	message_wbuffer[32];		/*0E00 0E7F  32*/
	uint32_t	reserved5[32];			/*0E80 0EFF  32*/
	uint32_t	message_rbuffer[32];		/*0F00 0F7F  32*/
	uint32_t	reserved6[32];			/*0F80 0FFF  32*/
};

struct MessageUnit_B
{
	uint32_t	post_qbuffer[ARCMSR_MAX_HBB_POSTQUEUE];
	uint32_t	done_qbuffer[ARCMSR_MAX_HBB_POSTQUEUE];
	uint32_t	postq_index;
	uint32_t	doneq_index;
	uint32_t	__iomem *drv2iop_doorbell;
	uint32_t	__iomem *drv2iop_doorbell_mask;
	uint32_t	__iomem *iop2drv_doorbell;
	uint32_t	__iomem *iop2drv_doorbell_mask;
	uint32_t	__iomem *message_rwbuffer;
	uint32_t	__iomem *message_wbuffer;
	uint32_t	__iomem *message_rbuffer;
};
/*
*********************************************************************
** LSI
*********************************************************************
*/
struct MessageUnit_C{
	uint32_t	message_unit_status;			/*0000 0003*/
	uint32_t	slave_error_attribute;			/*0004 0007*/
	uint32_t	slave_error_address;			/*0008 000B*/
	uint32_t	posted_outbound_doorbell;		/*000C 000F*/
	uint32_t	master_error_attribute;			/*0010 0013*/
	uint32_t	master_error_address_low;		/*0014 0017*/
	uint32_t	master_error_address_high;		/*0018 001B*/
	uint32_t	hcb_size;				/*001C 001F*/
	uint32_t	inbound_doorbell;			/*0020 0023*/
	uint32_t	diagnostic_rw_data;			/*0024 0027*/
	uint32_t	diagnostic_rw_address_low;		/*0028 002B*/
	uint32_t	diagnostic_rw_address_high;		/*002C 002F*/
	uint32_t	host_int_status;			/*0030 0033*/
	uint32_t	host_int_mask;				/*0034 0037*/
	uint32_t	dcr_data;				/*0038 003B*/
	uint32_t	dcr_address;				/*003C 003F*/
	uint32_t	inbound_queueport;			/*0040 0043*/
	uint32_t	outbound_queueport;			/*0044 0047*/
	uint32_t	hcb_pci_address_low;			/*0048 004B*/
	uint32_t	hcb_pci_address_high;			/*004C 004F*/
	uint32_t	iop_int_status;				/*0050 0053*/
	uint32_t	iop_int_mask;				/*0054 0057*/
	uint32_t	iop_inbound_queue_port;			/*0058 005B*/
	uint32_t	iop_outbound_queue_port;		/*005C 005F*/
	uint32_t	inbound_free_list_index;		/*0060 0063*/
	uint32_t	inbound_post_list_index;		/*0064 0067*/
	uint32_t	outbound_free_list_index;		/*0068 006B*/
	uint32_t	outbound_post_list_index;		/*006C 006F*/
	uint32_t	inbound_doorbell_clear;			/*0070 0073*/
	uint32_t	i2o_message_unit_control;		/*0074 0077*/
	uint32_t	last_used_message_source_address_low;	/*0078 007B*/
	uint32_t	last_used_message_source_address_high;	/*007C 007F*/
	uint32_t	pull_mode_data_byte_count[4];		/*0080 008F*/
	uint32_t	message_dest_address_index;		/*0090 0093*/
	uint32_t	done_queue_not_empty_int_counter_timer;	/*0094 0097*/
	uint32_t	utility_A_int_counter_timer;		/*0098 009B*/
	uint32_t	outbound_doorbell;			/*009C 009F*/
	uint32_t	outbound_doorbell_clear;		/*00A0 00A3*/
	uint32_t	message_source_address_index;		/*00A4 00A7*/
	uint32_t	message_done_queue_index;		/*00A8 00AB*/
	uint32_t	reserved0;				/*00AC 00AF*/
	uint32_t	inbound_msgaddr0;			/*00B0 00B3*/
	uint32_t	inbound_msgaddr1;			/*00B4 00B7*/
	uint32_t	outbound_msgaddr0;			/*00B8 00BB*/
	uint32_t	outbound_msgaddr1;			/*00BC 00BF*/
	uint32_t	inbound_queueport_low;			/*00C0 00C3*/
	uint32_t	inbound_queueport_high;			/*00C4 00C7*/
	uint32_t	outbound_queueport_low;			/*00C8 00CB*/
	uint32_t	outbound_queueport_high;		/*00CC 00CF*/
	uint32_t	iop_inbound_queue_port_low;		/*00D0 00D3*/
	uint32_t	iop_inbound_queue_port_high;		/*00D4 00D7*/
	uint32_t	iop_outbound_queue_port_low;		/*00D8 00DB*/
	uint32_t	iop_outbound_queue_port_high;		/*00DC 00DF*/
	uint32_t	message_dest_queue_port_low;		/*00E0 00E3*/
	uint32_t	message_dest_queue_port_high;		/*00E4 00E7*/
	uint32_t	last_used_message_dest_address_low;	/*00E8 00EB*/
	uint32_t	last_used_message_dest_address_high;	/*00EC 00EF*/
	uint32_t	message_done_queue_base_address_low;	/*00F0 00F3*/
	uint32_t	message_done_queue_base_address_high;	/*00F4 00F7*/
	uint32_t	host_diagnostic;			/*00F8 00FB*/
	uint32_t	write_sequence;				/*00FC 00FF*/
	uint32_t	reserved1[34];				/*0100 0187*/
	uint32_t	reserved2[1950];			/*0188 1FFF*/
	uint32_t	message_wbuffer[32];			/*2000 207F*/
	uint32_t	reserved3[32];				/*2080 20FF*/
	uint32_t	message_rbuffer[32];			/*2100 217F*/
	uint32_t	reserved4[32];				/*2180 21FF*/
	uint32_t	msgcode_rwbuffer[256];			/*2200 23FF*/
};
/*
*********************************************************************
**     Messaging Unit (MU) of Type D processor
*********************************************************************
*/
struct InBound_SRB {
	uint32_t addressLow; /* pointer to SRB block */
	uint32_t addressHigh;
	uint32_t length; /* in DWORDs */
	uint32_t reserved0;
};

struct OutBound_SRB {
	uint32_t addressLow; /* pointer to SRB block */
	uint32_t addressHigh;
};

struct MessageUnit_D {
	struct InBound_SRB	post_qbuffer[ARCMSR_MAX_ARC1214_POSTQUEUE];
	volatile struct OutBound_SRB
				done_qbuffer[ARCMSR_MAX_ARC1214_DONEQUEUE];
	u16 postq_index;
	volatile u16 doneq_index;
	u32 __iomem *chip_id;			/* 0x00004 */
	u32 __iomem *cpu_mem_config;		/* 0x00008 */
	u32 __iomem *i2o_host_interrupt_mask;	/* 0x00034 */
	u32 __iomem *sample_at_reset;		/* 0x00100 */
	u32 __iomem *reset_request;		/* 0x00108 */
	u32 __iomem *host_int_status;		/* 0x00200 */
	u32 __iomem *pcief0_int_enable;		/* 0x0020C */
	u32 __iomem *inbound_msgaddr0;		/* 0x00400 */
	u32 __iomem *inbound_msgaddr1;		/* 0x00404 */
	u32 __iomem *outbound_msgaddr0;		/* 0x00420 */
	u32 __iomem *outbound_msgaddr1;		/* 0x00424 */
	u32 __iomem *inbound_doorbell;		/* 0x00460 */
	u32 __iomem *outbound_doorbell;		/* 0x00480 */
	u32 __iomem *outbound_doorbell_enable;	/* 0x00484 */
	u32 __iomem *inboundlist_base_low;	/* 0x01000 */
	u32 __iomem *inboundlist_base_high;	/* 0x01004 */
	u32 __iomem *inboundlist_write_pointer;	/* 0x01018 */
	u32 __iomem *outboundlist_base_low;	/* 0x01060 */
	u32 __iomem *outboundlist_base_high;	/* 0x01064 */
	u32 __iomem *outboundlist_copy_pointer;	/* 0x0106C */
	u32 __iomem *outboundlist_read_pointer;	/* 0x01070 0x01072 */
	u32 __iomem *outboundlist_interrupt_cause;	/* 0x1088 */
	u32 __iomem *outboundlist_interrupt_enable;	/* 0x108C */
	u32 __iomem *message_wbuffer;		/* 0x2000 */
	u32 __iomem *message_rbuffer;		/* 0x2100 */
	u32 __iomem *msgcode_rwbuffer;		/* 0x2200 */
};
/*
*********************************************************************
**     Messaging Unit (MU) of Type E processor(LSI)
*********************************************************************
*/
struct MessageUnit_E{
	uint32_t	iobound_doorbell;			/*0000 0003*/
	uint32_t	write_sequence_3xxx;			/*0004 0007*/
	uint32_t	host_diagnostic_3xxx;			/*0008 000B*/
	uint32_t	posted_outbound_doorbell;		/*000C 000F*/
	uint32_t	master_error_attribute;			/*0010 0013*/
	uint32_t	master_error_address_low;		/*0014 0017*/
	uint32_t	master_error_address_high;		/*0018 001B*/
	uint32_t	hcb_size;				/*001C 001F*/
	uint32_t	inbound_doorbell;			/*0020 0023*/
	uint32_t	diagnostic_rw_data;			/*0024 0027*/
	uint32_t	diagnostic_rw_address_low;		/*0028 002B*/
	uint32_t	diagnostic_rw_address_high;		/*002C 002F*/
	uint32_t	host_int_status;			/*0030 0033*/
	uint32_t	host_int_mask;				/*0034 0037*/
	uint32_t	dcr_data;				/*0038 003B*/
	uint32_t	dcr_address;				/*003C 003F*/
	uint32_t	inbound_queueport;			/*0040 0043*/
	uint32_t	outbound_queueport;			/*0044 0047*/
	uint32_t	hcb_pci_address_low;			/*0048 004B*/
	uint32_t	hcb_pci_address_high;			/*004C 004F*/
	uint32_t	iop_int_status;				/*0050 0053*/
	uint32_t	iop_int_mask;				/*0054 0057*/
	uint32_t	iop_inbound_queue_port;			/*0058 005B*/
	uint32_t	iop_outbound_queue_port;		/*005C 005F*/
	uint32_t	inbound_free_list_index;		/*0060 0063*/
	uint32_t	inbound_post_list_index;		/*0064 0067*/
	uint32_t	reply_post_producer_index;		/*0068 006B*/
	uint32_t	reply_post_consumer_index;		/*006C 006F*/
	uint32_t	inbound_doorbell_clear;			/*0070 0073*/
	uint32_t	i2o_message_unit_control;		/*0074 0077*/
	uint32_t	last_used_message_source_address_low;	/*0078 007B*/
	uint32_t	last_used_message_source_address_high;	/*007C 007F*/
	uint32_t	pull_mode_data_byte_count[4];		/*0080 008F*/
	uint32_t	message_dest_address_index;		/*0090 0093*/
	uint32_t	done_queue_not_empty_int_counter_timer;	/*0094 0097*/
	uint32_t	utility_A_int_counter_timer;		/*0098 009B*/
	uint32_t	outbound_doorbell;			/*009C 009F*/
	uint32_t	outbound_doorbell_clear;		/*00A0 00A3*/
	uint32_t	message_source_address_index;		/*00A4 00A7*/
	uint32_t	message_done_queue_index;		/*00A8 00AB*/
	uint32_t	reserved0;				/*00AC 00AF*/
	uint32_t	inbound_msgaddr0;			/*00B0 00B3*/
	uint32_t	inbound_msgaddr1;			/*00B4 00B7*/
	uint32_t	outbound_msgaddr0;			/*00B8 00BB*/
	uint32_t	outbound_msgaddr1;			/*00BC 00BF*/
	uint32_t	inbound_queueport_low;			/*00C0 00C3*/
	uint32_t	inbound_queueport_high;			/*00C4 00C7*/
	uint32_t	outbound_queueport_low;			/*00C8 00CB*/
	uint32_t	outbound_queueport_high;		/*00CC 00CF*/
	uint32_t	iop_inbound_queue_port_low;		/*00D0 00D3*/
	uint32_t	iop_inbound_queue_port_high;		/*00D4 00D7*/
	uint32_t	iop_outbound_queue_port_low;		/*00D8 00DB*/
	uint32_t	iop_outbound_queue_port_high;		/*00DC 00DF*/
	uint32_t	message_dest_queue_port_low;		/*00E0 00E3*/
	uint32_t	message_dest_queue_port_high;		/*00E4 00E7*/
	uint32_t	last_used_message_dest_address_low;	/*00E8 00EB*/
	uint32_t	last_used_message_dest_address_high;	/*00EC 00EF*/
	uint32_t	message_done_queue_base_address_low;	/*00F0 00F3*/
	uint32_t	message_done_queue_base_address_high;	/*00F4 00F7*/
	uint32_t	host_diagnostic;			/*00F8 00FB*/
	uint32_t	write_sequence;				/*00FC 00FF*/
	uint32_t	reserved1[34];				/*0100 0187*/
	uint32_t	reserved2[1950];			/*0188 1FFF*/
	uint32_t	message_wbuffer[32];			/*2000 207F*/
	uint32_t	reserved3[32];				/*2080 20FF*/
	uint32_t	message_rbuffer[32];			/*2100 217F*/
	uint32_t	reserved4[32];				/*2180 21FF*/
	uint32_t	msgcode_rwbuffer[256];			/*2200 23FF*/
};

typedef struct deliver_completeQ {
	uint16_t	cmdFlag;
	uint16_t	cmdSMID;
	uint16_t	cmdLMID;        // reserved (0)
	uint16_t	cmdFlag2;       // reserved (0)
} DeliverQ, CompletionQ, *pDeliver_Q, *pCompletion_Q;
/*
*******************************************************************************
**                 Adapter Control Block
*******************************************************************************
*/
struct AdapterControlBlock
{
	uint32_t		adapter_type;		/* adapter A,B..... */
#define ACB_ADAPTER_TYPE_A		0x00000000	/* hba I IOP */
#define ACB_ADAPTER_TYPE_B		0x00000001	/* hbb M IOP */
#define ACB_ADAPTER_TYPE_C		0x00000002	/* hbc L IOP */
#define ACB_ADAPTER_TYPE_D		0x00000003	/* hbd M IOP */
#define ACB_ADAPTER_TYPE_E		0x00000004	/* hba L IOP */
	u32			ioqueue_size;
	struct pci_dev *	pdev;
	struct Scsi_Host *	host;
	unsigned long		vir2phy_offset;
	/* Offset is used in making arc cdb physical to virtual calculations */
	uint32_t		outbound_int_enable;
	uint32_t		cdb_phyaddr_hi32;
	uint32_t		reg_mu_acc_handle0;
	uint64_t		cdb_phyadd_hipart;
	spinlock_t		eh_lock;
	spinlock_t		ccblist_lock;
	spinlock_t		postq_lock;
	spinlock_t		doneq_lock;
	spinlock_t		rqbuffer_lock;
	spinlock_t		wqbuffer_lock;
	union {
		struct MessageUnit_A __iomem *pmuA;
		struct MessageUnit_B 	*pmuB;
		struct MessageUnit_C __iomem *pmuC;
		struct MessageUnit_D 	*pmuD;
		struct MessageUnit_E __iomem *pmuE;
	};
	/* message unit ATU inbound base address0 */
	void __iomem		*mem_base0;
	void __iomem		*mem_base1;
	uint32_t		acb_flags;
	u16			dev_id;
	uint8_t			adapter_index;
#define ACB_F_SCSISTOPADAPTER         	0x0001
#define ACB_F_MSG_STOP_BGRB     	0x0002
/* stop RAID background rebuild */
#define ACB_F_MSG_START_BGRB          	0x0004
/* stop RAID background rebuild */
#define ACB_F_IOPDATA_OVERFLOW        	0x0008
/* iop message data rqbuffer overflow */
#define ACB_F_MESSAGE_WQBUFFER_CLEARED	0x0010
/* message clear wqbuffer */
#define ACB_F_MESSAGE_RQBUFFER_CLEARED  0x0020
/* message clear rqbuffer */
#define ACB_F_MESSAGE_WQBUFFER_READED   0x0040
#define ACB_F_BUS_RESET               	0x0080

#define ACB_F_IOP_INITED              	0x0100
/* iop init */
#define ACB_F_ABORT			0x0200
#define ACB_F_FIRMWARE_TRAP           	0x0400
#define ACB_F_ADAPTER_REMOVED		0x0800
#define ACB_F_MSG_GET_CONFIG		0x1000
	struct CommandControlBlock *	pccb_pool[ARCMSR_MAX_FREECCB_NUM];
	/* used for memory free */
	struct list_head	ccb_free_list;
	/* head of free ccb list */

	atomic_t		ccboutstandingcount;
	/*The present outstanding command number that in the IOP that
					waiting for being handled by FW*/

	void *			dma_coherent;
	/* dma_coherent used for memory free */
	dma_addr_t		dma_coherent_handle;
	/* dma_coherent_handle used for memory free */
	dma_addr_t		dma_coherent_handle2;
	void			*dma_coherent2;
	unsigned int		uncache_size;
	uint8_t			rqbuffer[ARCMSR_MAX_QBUFFER];
	/* data collection buffer for read from 80331 */
	int32_t			rqbuf_getIndex;
	/* first of read buffer  */
	int32_t			rqbuf_putIndex;
	/* last of read buffer   */
	uint8_t			wqbuffer[ARCMSR_MAX_QBUFFER];
	/* data collection buffer for write to 80331  */
	int32_t			wqbuf_getIndex;
	/* first of write buffer */
	int32_t			wqbuf_putIndex;
	/* last of write buffer  */
	uint8_t			devstate[ARCMSR_MAX_TARGETID][ARCMSR_MAX_TARGETLUN];
	/* id0 ..... id15, lun0...lun7 */
#define ARECA_RAID_GONE			0x55
#define ARECA_RAID_GOOD			0xaa
	uint32_t		num_resets;
	uint32_t		num_aborts;
	uint32_t		signature;
	uint32_t		firm_request_len;
	uint32_t		firm_numbers_queue;
	uint32_t		firm_sdram_size;
	uint32_t		firm_hd_channels;
	uint32_t		firm_cfg_version;
	char			firm_model[12];
	char			firm_version[20];
	char			device_map[20];			/*21,84-99*/
	struct work_struct 	arcmsr_do_message_isr_bh;
	struct timer_list	eternal_timer;
	unsigned short		fw_flag;
#define	FW_NORMAL			0x0000
#define	FW_BOG				0x0001
#define	FW_DEADLOCK			0x0010
	atomic_t 		rq_map_token;
	atomic_t		ante_token_value;
	uint32_t		maxOutstanding;
	int			vector_count;
	uint32_t		maxFreeCCB;
	struct timer_list	refresh_timer;
	uint32_t		doneq_index;
	uint32_t		ccbsize;
	uint32_t		in_doorbell;
	uint32_t		out_doorbell;
	uint32_t		completionQ_entry;
	pCompletion_Q		pCompletionQ;
};/* HW_DEVICE_EXTENSION */
/*
*******************************************************************************
**                   Command Control Block
**             this CCB length must be 32 bytes boundary
*******************************************************************************
*/
struct CommandControlBlock{
	/*x32:sizeof struct_CCB=(64+60)byte, x64:sizeof struct_CCB=(64+60)byte*/
	struct list_head		list;		/*x32: 8byte, x64: 16byte*/
	struct scsi_cmnd		*pcmd;		/*8 bytes pointer of linux scsi command */
	struct AdapterControlBlock	*acb;		/*x32: 4byte, x64: 8byte*/
	unsigned long			cdb_phyaddr;	/*x32: 4byte, x64: 8byte*/
	uint32_t			arc_cdb_size;	/*x32:4byte,x64:4byte*/
	uint16_t			ccb_flags;	/*x32: 2byte, x64: 2byte*/
#define	CCB_FLAG_READ		0x0000
#define	CCB_FLAG_WRITE		0x0001
#define	CCB_FLAG_ERROR		0x0002
#define	CCB_FLAG_FLUSHCACHE	0x0004
#define	CCB_FLAG_MASTER_ABORTED	0x0008
	uint16_t                        startdone;	/*x32:2byte,x32:2byte*/
#define	ARCMSR_CCB_DONE		0x0000
#define	ARCMSR_CCB_START	0x55AA
#define	ARCMSR_CCB_ABORTED	0xAA55
#define	ARCMSR_CCB_ILLEGAL	0xFFFF
	uint32_t			smid;
#if BITS_PER_LONG == 64
	/*  ======================512+64 bytes========================  */
		uint32_t		reserved[3];	/*12 byte*/
#else
	/*  ======================512+32 bytes========================  */
		uint32_t		reserved[8];	/*32  byte*/
#endif
	/*  =======================================================   */
	struct ARCMSR_CDB		arcmsr_cdb;
};
/*
*******************************************************************************
**    ARECA SCSI sense data
*******************************************************************************
*/
struct SENSE_DATA
{
	uint8_t				ErrorCode:7;
#define SCSI_SENSE_CURRENT_ERRORS	0x70
#define SCSI_SENSE_DEFERRED_ERRORS	0x71
	uint8_t				Valid:1;
	uint8_t				SegmentNumber;
	uint8_t				SenseKey:4;
	uint8_t				Reserved:1;
	uint8_t				IncorrectLength:1;
	uint8_t				EndOfMedia:1;
	uint8_t				FileMark:1;
	uint8_t				Information[4];
	uint8_t				AdditionalSenseLength;
	uint8_t				CommandSpecificInformation[4];
	uint8_t				AdditionalSenseCode;
	uint8_t				AdditionalSenseCodeQualifier;
	uint8_t				FieldReplaceableUnitCode;
	uint8_t				SenseKeySpecific[3];
};
/*
*******************************************************************************
**  Outbound Interrupt Status Register - OISR
*******************************************************************************
*/
#define	ARCMSR_MU_OUTBOUND_INTERRUPT_STATUS_REG	0x30
#define	ARCMSR_MU_OUTBOUND_PCI_INT		0x10
#define	ARCMSR_MU_OUTBOUND_POSTQUEUE_INT	0x08
#define	ARCMSR_MU_OUTBOUND_DOORBELL_INT		0x04
#define	ARCMSR_MU_OUTBOUND_MESSAGE1_INT		0x02
#define	ARCMSR_MU_OUTBOUND_MESSAGE0_INT		0x01
#define	ARCMSR_MU_OUTBOUND_HANDLE_INT                     \
                    (ARCMSR_MU_OUTBOUND_MESSAGE0_INT      \
                     |ARCMSR_MU_OUTBOUND_MESSAGE1_INT     \
                     |ARCMSR_MU_OUTBOUND_DOORBELL_INT     \
                     |ARCMSR_MU_OUTBOUND_POSTQUEUE_INT    \
                     |ARCMSR_MU_OUTBOUND_PCI_INT)
/*
*******************************************************************************
**  Outbound Interrupt Mask Register - OIMR
*******************************************************************************
*/
#define	ARCMSR_MU_OUTBOUND_INTERRUPT_MASK_REG		0x34
#define	ARCMSR_MU_OUTBOUND_PCI_INTMASKENABLE		0x10
#define	ARCMSR_MU_OUTBOUND_POSTQUEUE_INTMASKENABLE	0x08
#define	ARCMSR_MU_OUTBOUND_DOORBELL_INTMASKENABLE	0x04
#define	ARCMSR_MU_OUTBOUND_MESSAGE1_INTMASKENABLE	0x02
#define	ARCMSR_MU_OUTBOUND_MESSAGE0_INTMASKENABLE	0x01
#define	ARCMSR_MU_OUTBOUND_ALL_INTMASKENABLE		0x1F

extern void arcmsr_write_ioctldata2iop(struct AdapterControlBlock *);
extern uint32_t arcmsr_Read_iop_rqbuffer_data(struct AdapterControlBlock *,
	struct QBUFFER __iomem *);
extern void arcmsr_clear_iop2drv_rqueue_buffer(struct AdapterControlBlock *);
extern struct QBUFFER __iomem *arcmsr_get_iop_rqbuffer(struct AdapterControlBlock *);
extern struct device_attribute *arcmsr_host_attrs[];
extern int arcmsr_alloc_sysfs_attr(struct AdapterControlBlock *);
void arcmsr_free_sysfs_attr(struct AdapterControlBlock *acb);