summaryrefslogtreecommitdiff
path: root/drivers/message/fusion/mptbase.h
blob: 05eb6e52875335213531a02fdd25ee483a636af0 (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
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
/*
 *  linux/drivers/message/fusion/mptbase.h
 *      High performance SCSI + LAN / Fibre Channel device drivers.
 *      For use with PCI chip/adapter(s):
 *          LSIFC9xx/LSI409xx Fibre Channel
 *      running LSI Logic Fusion MPT (Message Passing Technology) firmware.
 *
 *  Copyright (c) 1999-2007 LSI Logic Corporation
 *  (mailto:DL-MPTFusionLinux@lsi.com)
 *
 */
/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
/*
    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; version 2 of the License.

    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.

    NO WARRANTY
    THE PROGRAM IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OR
    CONDITIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED INCLUDING, WITHOUT
    LIMITATION, ANY WARRANTIES OR CONDITIONS OF TITLE, NON-INFRINGEMENT,
    MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE. Each Recipient is
    solely responsible for determining the appropriateness of using and
    distributing the Program and assumes all risks associated with its
    exercise of rights under this Agreement, including but not limited to
    the risks and costs of program errors, damage to or loss of data,
    programs or equipment, and unavailability or interruption of operations.

    DISCLAIMER OF LIABILITY
    NEITHER RECIPIENT NOR ANY CONTRIBUTORS SHALL HAVE ANY LIABILITY FOR ANY
    DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
    DAMAGES (INCLUDING WITHOUT LIMITATION LOST PROFITS), 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 OR DISTRIBUTION OF THE PROGRAM OR THE EXERCISE OF ANY RIGHTS GRANTED
    HEREUNDER, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGES

    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., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
*/

#ifndef MPTBASE_H_INCLUDED
#define MPTBASE_H_INCLUDED
/*{-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/

#include <linux/kernel.h>
#include <linux/pci.h>

#include "lsi/mpi_type.h"
#include "lsi/mpi.h"		/* Fusion MPI(nterface) basic defs */
#include "lsi/mpi_ioc.h"	/* Fusion MPT IOC(ontroller) defs */
#include "lsi/mpi_cnfg.h"	/* IOC configuration support */
#include "lsi/mpi_init.h"	/* SCSI Host (initiator) protocol support */
#include "lsi/mpi_lan.h"	/* LAN over FC protocol support */
#include "lsi/mpi_raid.h"	/* Integrated Mirroring support */

#include "lsi/mpi_fc.h"		/* Fibre Channel (lowlevel) support */
#include "lsi/mpi_targ.h"	/* SCSI/FCP Target protcol support */
#include "lsi/mpi_tool.h"	/* Tools support */
#include "lsi/mpi_sas.h"	/* SAS support */

/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/

#ifndef MODULEAUTHOR
#define MODULEAUTHOR	"LSI Logic Corporation"
#endif

#ifndef COPYRIGHT
#define COPYRIGHT	"Copyright (c) 1999-2007 " MODULEAUTHOR
#endif

#define MPT_LINUX_VERSION_COMMON	"3.04.05"
#define MPT_LINUX_PACKAGE_NAME		"@(#)mptlinux-3.04.05"
#define WHAT_MAGIC_STRING		"@" "(" "#" ")"

#define show_mptmod_ver(s,ver)  \
	printk(KERN_INFO "%s %s\n", s, ver);

/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
/*
 *  Fusion MPT(linux) driver configurable stuff...
 */
#define MPT_MAX_ADAPTERS		18
#define MPT_MAX_PROTOCOL_DRIVERS	16
#define MPT_MAX_BUS			1	/* Do not change */
#define MPT_MAX_FC_DEVICES		255
#define MPT_MAX_SCSI_DEVICES		16
#define MPT_LAST_LUN			255
#define MPT_SENSE_BUFFER_ALLOC		64
	/* allow for 256 max sense alloc, but only 255 max request */
#if MPT_SENSE_BUFFER_ALLOC >= 256
#	undef MPT_SENSE_BUFFER_ALLOC
#	define MPT_SENSE_BUFFER_ALLOC	256
#	define MPT_SENSE_BUFFER_SIZE	255
#else
#	define MPT_SENSE_BUFFER_SIZE	MPT_SENSE_BUFFER_ALLOC
#endif

#define MPT_NAME_LENGTH			32

#define MPT_PROCFS_MPTBASEDIR		"mpt"
						/* chg it to "driver/fusion" ? */
#define MPT_PROCFS_SUMMARY_ALL_NODE		MPT_PROCFS_MPTBASEDIR "/summary"
#define MPT_PROCFS_SUMMARY_ALL_PATHNAME		"/proc/" MPT_PROCFS_SUMMARY_ALL_NODE
#define MPT_FW_REV_MAGIC_ID_STRING		"FwRev="

#define  MPT_MAX_REQ_DEPTH		1023
#define  MPT_DEFAULT_REQ_DEPTH		256
#define  MPT_MIN_REQ_DEPTH		128

#define  MPT_MAX_REPLY_DEPTH		MPT_MAX_REQ_DEPTH
#define  MPT_DEFAULT_REPLY_DEPTH	128
#define  MPT_MIN_REPLY_DEPTH		8
#define  MPT_MAX_REPLIES_PER_ISR	32

#define  MPT_MAX_FRAME_SIZE		128
#define  MPT_DEFAULT_FRAME_SIZE		128

#define  MPT_REPLY_FRAME_SIZE		0x50  /* Must be a multiple of 8 */

#define  MPT_SG_REQ_128_SCALE		1
#define  MPT_SG_REQ_96_SCALE		2
#define  MPT_SG_REQ_64_SCALE		4

#define	 CAN_SLEEP			1
#define  NO_SLEEP			0

#define MPT_COALESCING_TIMEOUT		0x10

/*
 * SCSI transfer rate defines.
 */
#define MPT_ULTRA320			0x08
#define MPT_ULTRA160			0x09
#define MPT_ULTRA2			0x0A
#define MPT_ULTRA			0x0C
#define MPT_FAST			0x19
#define MPT_SCSI			0x32
#define MPT_ASYNC			0xFF

#define MPT_NARROW			0
#define MPT_WIDE			1

#define C0_1030				0x08
#define XL_929				0x01


/*
 *	Try to keep these at 2^N-1
 */
#define MPT_FC_CAN_QUEUE	127
#define MPT_SCSI_CAN_QUEUE	127

/*
 * Set the MAX_SGE value based on user input.
 */
#ifdef  CONFIG_FUSION_MAX_SGE
#if     CONFIG_FUSION_MAX_SGE  < 16
#define MPT_SCSI_SG_DEPTH	16
#elif   CONFIG_FUSION_MAX_SGE  > 128
#define MPT_SCSI_SG_DEPTH	128
#else
#define MPT_SCSI_SG_DEPTH	CONFIG_FUSION_MAX_SGE
#endif
#else
#define MPT_SCSI_SG_DEPTH	40
#endif

/* debug print string length used for events and iocstatus */
# define EVENT_DESCR_STR_SZ             100

#ifdef __KERNEL__	/* { */
/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/

#include <linux/proc_fs.h>

/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
/*
 * Attempt semi-consistent error & warning msgs across
 * MPT drivers.  NOTE: Users of these macro defs must
 * themselves define their own MYNAM.
 */
#define MYIOC_s_INFO_FMT		KERN_INFO MYNAM ": %s: "
#define MYIOC_s_NOTE_FMT		KERN_NOTICE MYNAM ": %s: "
#define MYIOC_s_WARN_FMT		KERN_WARNING MYNAM ": %s: WARNING - "
#define MYIOC_s_ERR_FMT			KERN_ERR MYNAM ": %s: ERROR - "

/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
/*
 *  MPT protocol driver defs...
 */
typedef enum {
	MPTBASE_DRIVER,		/* MPT base class */
	MPTCTL_DRIVER,		/* MPT ioctl class */
	MPTSPI_DRIVER,		/* MPT SPI host class */
	MPTFC_DRIVER,		/* MPT FC host class */
	MPTSAS_DRIVER,		/* MPT SAS host class */
	MPTLAN_DRIVER,		/* MPT LAN class */
	MPTSTM_DRIVER,		/* MPT SCSI target mode class */
	MPTUNKNOWN_DRIVER
} MPT_DRIVER_CLASS;

struct mpt_pci_driver{
	int  (*probe) (struct pci_dev *dev, const struct pci_device_id *id);
	void (*remove) (struct pci_dev *dev);
};

/*
 *  MPT adapter / port / bus / device info structures...
 */

typedef union _MPT_FRAME_TRACKER {
	struct {
		struct list_head	list;
		u32			 arg1;
		u32			 pad;
		void			*argp1;
	} linkage;
	/*
	 * NOTE: When request frames are free, on the linkage structure
	 * contets are valid.  All other values are invalid.
	 * In particular, do NOT reply on offset [2]
	 * (in words) being the * message context.
	 * The message context must be reset (computed via base address
	 * + an offset) prior to issuing any command.
	 *
	 * NOTE2: On non-32-bit systems, where pointers are LARGE,
	 * using the linkage pointers destroys our sacred MsgContext
	 * field contents.  But we don't care anymore because these
	 * are now reset in mpt_put_msg_frame() just prior to sending
	 * a request off to the IOC.
	 */
	struct {
		u32 __hdr[2];
		/*
		 * The following _MUST_ match the location of the
		 * MsgContext field in the MPT message headers.
		 */
		union {
			u32		 MsgContext;
			struct {
				u16	 req_idx;	/* Request index */
				u8	 cb_idx;	/* callback function index */
				u8	 rsvd;
			} fld;
		} msgctxu;
	} hwhdr;
	/*
	 * Remark: 32 bit identifier:
	 *  31-24: reserved
	 *  23-16: call back index
	 *  15-0 : request index
	 */
} MPT_FRAME_TRACKER;

/*
 *  We might want to view/access a frame as:
 *    1) generic request header
 *    2) SCSIIORequest
 *    3) SCSIIOReply
 *    4) MPIDefaultReply
 *    5) frame tracker
 */
typedef struct _MPT_FRAME_HDR {
	union {
		MPIHeader_t		hdr;
		SCSIIORequest_t		scsireq;
		SCSIIOReply_t		sreply;
		ConfigReply_t		configreply;
		MPIDefaultReply_t	reply;
		MPT_FRAME_TRACKER	frame;
	} u;
} MPT_FRAME_HDR;

#define MPT_REQ_MSGFLAGS_DROPME		0x80

typedef struct _MPT_SGL_HDR {
	SGESimple32_t	 sge[1];
} MPT_SGL_HDR;

typedef struct _MPT_SGL64_HDR {
	SGESimple64_t	 sge[1];
} MPT_SGL64_HDR;

/*
 *  System interface register set
 */

typedef struct _SYSIF_REGS
{
	u32	Doorbell;	/* 00     System<->IOC Doorbell reg  */
	u32	WriteSequence;	/* 04     Write Sequence register    */
	u32	Diagnostic;	/* 08     Diagnostic register        */
	u32	TestBase;	/* 0C     Test Base Address          */
	u32	DiagRwData;	/* 10     Read Write Data (fw download)   */
	u32	DiagRwAddress;	/* 14     Read Write Address (fw download)*/
	u32	Reserved1[6];	/* 18-2F  reserved for future use    */
	u32	IntStatus;	/* 30     Interrupt Status           */
	u32	IntMask;	/* 34     Interrupt Mask             */
	u32	Reserved2[2];	/* 38-3F  reserved for future use    */
	u32	RequestFifo;	/* 40     Request Post/Free FIFO     */
	u32	ReplyFifo;	/* 44     Reply   Post/Free FIFO     */
	u32	Reserved3[2];	/* 48-4F  reserved for future use    */
	u32	HostIndex;	/* 50     Host Index register        */
	u32	Reserved4[15];	/* 54-8F                             */
	u32	Fubar;		/* 90     For Fubar usage            */
	u32	Reserved5[1050];/* 94-10F8                           */
	u32	Reset_1078;	/* 10FC   Reset 1078                 */
} SYSIF_REGS;

/*
 * NOTE: Use MPI_{DOORBELL,WRITESEQ,DIAG}_xxx defs in lsi/mpi.h
 * in conjunction with SYSIF_REGS accesses!
 */


/*
 *	Dynamic Multi-Pathing specific stuff...
 */

/* VirtTarget negoFlags field */
#define MPT_TARGET_NO_NEGO_WIDE		0x01
#define MPT_TARGET_NO_NEGO_SYNC		0x02
#define MPT_TARGET_NO_NEGO_QAS		0x04
#define MPT_TAPE_NEGO_IDP     		0x08

/*
 *	VirtDevice - FC LUN device or SCSI target device
 */
typedef struct _VirtTarget {
	struct scsi_target	*starget;
	u8			 tflags;
	u8			 ioc_id;
	u8			 id;
	u8			 channel;
	u8			 minSyncFactor;	/* 0xFF is async */
	u8			 maxOffset;	/* 0 if async */
	u8			 maxWidth;	/* 0 if narrow, 1 if wide */
	u8			 negoFlags;	/* bit field, see above */
	u8			 raidVolume;	/* set, if RAID Volume */
	u8			 type;		/* byte 0 of Inquiry data */
	u8			 deleted;	/* target in process of being removed */
	u32			 num_luns;
} VirtTarget;

typedef struct _VirtDevice {
	VirtTarget		*vtarget;
	u8			 configured_lun;
	int			 lun;
} VirtDevice;

/*
 *  Fibre Channel (SCSI) target device and associated defines...
 */
#define MPT_TARGET_DEFAULT_DV_STATUS	0x00
#define MPT_TARGET_FLAGS_VALID_NEGO	0x01
#define MPT_TARGET_FLAGS_VALID_INQUIRY	0x02
#define MPT_TARGET_FLAGS_Q_YES		0x08
#define MPT_TARGET_FLAGS_VALID_56	0x10
#define MPT_TARGET_FLAGS_SAF_TE_ISSUED	0x20
#define MPT_TARGET_FLAGS_RAID_COMPONENT	0x40
#define MPT_TARGET_FLAGS_LED_ON		0x80

/*
 *	/proc/mpt interface
 */
typedef struct {
	const char	*name;
	mode_t		 mode;
	int		 pad;
	read_proc_t	*read_proc;
	write_proc_t	*write_proc;
} mpt_proc_entry_t;

#define MPT_PROC_READ_RETURN(buf,start,offset,request,eof,len) \
do { \
	len -= offset;			\
	if (len < request) {		\
		*eof = 1;		\
		if (len <= 0)		\
			return 0;	\
	} else				\
		len = request;		\
	*start = buf + offset;		\
	return len;			\
} while (0)


/*
 *	IOCTL structure and associated defines
 */

#define MPT_IOCTL_STATUS_DID_IOCRESET	0x01	/* IOC Reset occurred on the current*/
#define MPT_IOCTL_STATUS_RF_VALID	0x02	/* The Reply Frame is VALID */
#define MPT_IOCTL_STATUS_TIMER_ACTIVE	0x04	/* The timer is running */
#define MPT_IOCTL_STATUS_SENSE_VALID	0x08	/* Sense data is valid */
#define MPT_IOCTL_STATUS_COMMAND_GOOD	0x10	/* Command Status GOOD */
#define MPT_IOCTL_STATUS_TMTIMER_ACTIVE	0x20	/* The TM timer is running */
#define MPT_IOCTL_STATUS_TM_FAILED	0x40	/* User TM request failed */

#define MPTCTL_RESET_OK			0x01	/* Issue Bus Reset */

typedef struct _MPT_IOCTL {
	struct _MPT_ADAPTER	*ioc;
	u8			 ReplyFrame[MPT_DEFAULT_FRAME_SIZE];	/* reply frame data */
	u8			 sense[MPT_SENSE_BUFFER_ALLOC];
	int			 wait_done;	/* wake-up value for this ioc */
	u8			 rsvd;
	u8			 status;	/* current command status */
	u8			 reset;		/* 1 if bus reset allowed */
	u8			 id;		/* target for reset */
	struct mutex		 ioctl_mutex;
} MPT_IOCTL;

#define MPT_SAS_MGMT_STATUS_RF_VALID	0x02	/* The Reply Frame is VALID */
#define MPT_SAS_MGMT_STATUS_COMMAND_GOOD	0x10	/* Command Status GOOD */
#define MPT_SAS_MGMT_STATUS_TM_FAILED	0x40	/* User TM request failed */

typedef struct _MPT_SAS_MGMT {
	struct mutex		 mutex;
	struct completion	 done;
	u8			 reply[MPT_DEFAULT_FRAME_SIZE]; /* reply frame data */
	u8			 status;	/* current command status */
}MPT_SAS_MGMT;

/*
 *  Event Structure and define
 */
#define MPTCTL_EVENT_LOG_SIZE		(0x000000032)
typedef struct _mpt_ioctl_events {
	u32	event;		/* Specified by define above */
	u32	eventContext;	/* Index or counter */
	u32	data[2];	/* First 8 bytes of Event Data */
} MPT_IOCTL_EVENTS;

/*
 * CONFIGPARM status  defines
 */
#define MPT_CONFIG_GOOD		MPI_IOCSTATUS_SUCCESS
#define MPT_CONFIG_ERROR	0x002F

/*
 *	Substructure to store SCSI specific configuration page data
 */
						/* dvStatus defines: */
#define MPT_SCSICFG_USE_NVRAM		0x01	/* WriteSDP1 using NVRAM */
#define MPT_SCSICFG_ALL_IDS		0x02	/* WriteSDP1 to all IDS */
/* #define MPT_SCSICFG_BLK_NEGO		0x10	   WriteSDP1 with WDTR and SDTR disabled */

typedef	struct _SpiCfgData {
	u32		 PortFlags;
	int		*nvram;			/* table of device NVRAM values */
	IOCPage4_t	*pIocPg4;		/* SEP devices addressing */
	dma_addr_t	 IocPg4_dma;		/* Phys Addr of IOCPage4 data */
	int		 IocPg4Sz;		/* IOCPage4 size */
	u8		 minSyncFactor;		/* 0xFF if async */
	u8		 maxSyncOffset;		/* 0 if async */
	u8		 maxBusWidth;		/* 0 if narrow, 1 if wide */
	u8		 busType;		/* SE, LVD, HD */
	u8		 sdp1version;		/* SDP1 version */
	u8		 sdp1length;		/* SDP1 length  */
	u8		 sdp0version;		/* SDP0 version */
	u8		 sdp0length;		/* SDP0 length  */
	u8		 dvScheduled;		/* 1 if scheduled */
	u8		 noQas;			/* Disable QAS for this adapter */
	u8		 Saf_Te;		/* 1 to force all Processors as
						 * SAF-TE if Inquiry data length
						 * is too short to check for SAF-TE
						 */
	u8		 bus_reset;		/* 1 to allow bus reset */
	u8		 rsvd[1];
}SpiCfgData;

typedef	struct _SasCfgData {
	u8		 ptClear;		/* 1 to automatically clear the
						 * persistent table.
						 * 0 to disable
						 * automatic clearing.
						 */
}SasCfgData;

/*
 * Inactive volume link list of raid component data
 * @inactive_list
 */
struct inactive_raid_component_info {
	struct 	 list_head list;
	u8		 volumeID;		/* volume target id */
	u8		 volumeBus;		/* volume channel */
	IOC_3_PHYS_DISK	 d;			/* phys disk info */
};

typedef	struct _RaidCfgData {
	IOCPage2_t	*pIocPg2;		/* table of Raid Volumes */
	IOCPage3_t	*pIocPg3;		/* table of physical disks */
	struct semaphore	inactive_list_mutex;
	struct list_head	inactive_list; /* link list for physical
						disk that belong in
						inactive volumes */
}RaidCfgData;

typedef struct _FcCfgData {
	/* will ultimately hold fc_port_page0 also */
	struct {
		FCPortPage1_t	*data;
		dma_addr_t	 dma;
		int		 pg_sz;
	}			 fc_port_page1[2];
} FcCfgData;

#define MPT_RPORT_INFO_FLAGS_REGISTERED	0x01	/* rport registered */
#define MPT_RPORT_INFO_FLAGS_MISSING	0x02	/* missing from DevPage0 scan */

/*
 * data allocated for each fc rport device
 */
struct mptfc_rport_info
{
	struct list_head list;
	struct fc_rport *rport;
	struct scsi_target *starget;
	FCDevicePage0_t pg0;
	u8		flags;
};

/*
 *  Adapter Structure - pci_dev specific. Maximum: MPT_MAX_ADAPTERS
 */
typedef struct _MPT_ADAPTER
{
	int			 id;		/* Unique adapter id N {0,1,2,...} */
	int			 pci_irq;	/* This irq           */
	char			 name[MPT_NAME_LENGTH];	/* "iocN"             */
	char			*prod_name;	/* "LSIFC9x9"         */
	SYSIF_REGS __iomem	*chip;		/* == c8817000 (mmap) */
	SYSIF_REGS __iomem	*pio_chip;	/* Programmed IO (downloadboot) */
	u8			 bus_type;
	u32			 mem_phys;	/* == f4020000 (mmap) */
	u32			 pio_mem_phys;	/* Programmed IO (downloadboot) */
	int			 mem_size;	/* mmap memory size */
	int			 number_of_buses;
	int			 devices_per_bus;
	int			 alloc_total;
	u32			 last_state;
	int			 active;
	u8			*alloc;		/* frames alloc ptr */
	dma_addr_t		 alloc_dma;
	u32			 alloc_sz;
	MPT_FRAME_HDR		*reply_frames;	/* Reply msg frames - rounded up! */
	u32			 reply_frames_low_dma;
	int			 reply_depth;	/* Num Allocated reply frames */
	int			 reply_sz;	/* Reply frame size */
	int			 num_chain;	/* Number of chain buffers */
		/* Pool of buffers for chaining. ReqToChain
		 * and ChainToChain track index of chain buffers.
		 * ChainBuffer (DMA) virt/phys addresses.
		 * FreeChainQ (lock) locking mechanisms.
		 */
	int			*ReqToChain;
	int			*RequestNB;
	int			*ChainToChain;
	u8			*ChainBuffer;
	dma_addr_t		 ChainBufferDMA;
	struct list_head	 FreeChainQ;
	spinlock_t		 FreeChainQlock;
		/* We (host driver) get to manage our own RequestQueue! */
	dma_addr_t		 req_frames_dma;
	MPT_FRAME_HDR		*req_frames;	/* Request msg frames - rounded up! */
	u32			 req_frames_low_dma;
	int			 req_depth;	/* Number of request frames */
	int			 req_sz;	/* Request frame size (bytes) */
	spinlock_t		 FreeQlock;
	struct list_head	 FreeQ;
		/* Pool of SCSI sense buffers for commands coming from
		 * the SCSI mid-layer.  We have one 256 byte sense buffer
		 * for each REQ entry.
		 */
	u8			*sense_buf_pool;
	dma_addr_t		 sense_buf_pool_dma;
	u32			 sense_buf_low_dma;
	u8			*HostPageBuffer; /* SAS - host page buffer support */
	u32			HostPageBuffer_sz;
	dma_addr_t		HostPageBuffer_dma;
	int			 mtrr_reg;
	struct pci_dev		*pcidev;	/* struct pci_dev pointer */
	u8			__iomem *memmap;	/* mmap address */
	struct Scsi_Host	*sh;		/* Scsi Host pointer */
	SpiCfgData		spi_data;	/* Scsi config. data */
	RaidCfgData		raid_data;	/* Raid config. data */
	SasCfgData		sas_data;	/* Sas config. data */
	FcCfgData		fc_data;	/* Fc config. data */
	MPT_IOCTL		*ioctl;		/* ioctl data pointer */
	struct proc_dir_entry	*ioc_dentry;
	struct _MPT_ADAPTER	*alt_ioc;	/* ptr to 929 bound adapter port */
	spinlock_t		 diagLock;	/* diagnostic reset lock */
	int			 diagPending;
	u32			 biosVersion;	/* BIOS version from IO Unit Page 2 */
	int			 eventTypes;	/* Event logging parameters */
	int			 eventContext;	/* Next event context */
	int			 eventLogSize;	/* Max number of cached events */
	struct _mpt_ioctl_events *events;	/* pointer to event log */
	u8			*cached_fw;	/* Pointer to FW */
	dma_addr_t	 	cached_fw_dma;
	struct list_head	 configQ;	/* linked list of config. requests */
	int			 hs_reply_idx;
#ifndef MFCNT
	u32			 pad0;
#else
	u32			 mfcnt;
#endif
	u32			 NB_for_64_byte_frame;
	u32			 hs_req[MPT_MAX_FRAME_SIZE/sizeof(u32)];
	u16			 hs_reply[MPT_MAX_FRAME_SIZE/sizeof(u16)];
	IOCFactsReply_t		 facts;
	PortFactsReply_t	 pfacts[2];
	FCPortPage0_t		 fc_port_page0[2];
	struct timer_list	 persist_timer;	/* persist table timer */
	int			 persist_wait_done; /* persist completion flag */
	u8			 persist_reply_frame[MPT_DEFAULT_FRAME_SIZE]; /* persist reply */
	LANPage0_t		 lan_cnfg_page0;
	LANPage1_t		 lan_cnfg_page1;

	u8			 ir_firmware; /* =1 if IR firmware detected */
	/*
	 * Description: errata_flag_1064
	 * If a PCIX read occurs within 1 or 2 cycles after the chip receives
	 * a split completion for a read data, an internal address pointer incorrectly
	 * increments by 32 bytes
	 */
	int			 errata_flag_1064;
	int			 aen_event_read_flag; /* flag to indicate event log was read*/
	u8			 FirstWhoInit;
	u8			 upload_fw;	/* If set, do a fw upload */
	u8			 reload_fw;	/* Force a FW Reload on next reset */
	u8			 NBShiftFactor;  /* NB Shift Factor based on Block Size (Facts)  */
	u8			 pad1[4];
	int			 DoneCtx;
	int			 TaskCtx;
	int			 InternalCtx;
	spinlock_t		 initializing_hba_lock;
	int 	 		 initializing_hba_lock_flag;
	struct list_head	 list;
	struct net_device	*netdev;
	struct list_head	 sas_topology;
	struct mutex		 sas_topology_mutex;
	struct mutex		 sas_discovery_mutex;
	u8			 sas_discovery_runtime;
	u8			 sas_discovery_ignore_events;
	u16			 handle;
	int			 sas_index; /* index refrencing */
	MPT_SAS_MGMT		 sas_mgmt;
	struct work_struct	 sas_persist_task;

	struct work_struct	 fc_setup_reset_work;
	struct list_head	 fc_rports;
	spinlock_t		 fc_rescan_work_lock;
	struct work_struct	 fc_rescan_work;
	char			 fc_rescan_work_q_name[KOBJ_NAME_LEN];
	struct workqueue_struct *fc_rescan_work_q;
} MPT_ADAPTER;

/*
 *  New return value convention:
 *    1 = Ok to free associated request frame
 *    0 = not Ok ...
 */
typedef int (*MPT_CALLBACK)(MPT_ADAPTER *ioc, MPT_FRAME_HDR *req, MPT_FRAME_HDR *reply);
typedef int (*MPT_EVHANDLER)(MPT_ADAPTER *ioc, EventNotificationReply_t *evReply);
typedef int (*MPT_RESETHANDLER)(MPT_ADAPTER *ioc, int reset_phase);
/* reset_phase defs */
#define MPT_IOC_PRE_RESET		0
#define MPT_IOC_POST_RESET		1
#define MPT_IOC_SETUP_RESET		2

/*
 * Invent MPT host event (super-set of MPI Events)
 * Fitted to 1030's 64-byte [max] request frame size
 */
typedef struct _MPT_HOST_EVENT {
	EventNotificationReply_t	 MpiEvent;	/* 8 32-bit words! */
	u32				 pad[6];
	void				*next;
} MPT_HOST_EVENT;

#define MPT_HOSTEVENT_IOC_BRINGUP	0x91
#define MPT_HOSTEVENT_IOC_RECOVER	0x92

/* Define the generic types based on the size
 * of the dma_addr_t type.
 */
typedef struct _mpt_sge {
	u32		FlagsLength;
	dma_addr_t	Address;
} MptSge_t;

#define mpt_addr_size() \
	((sizeof(dma_addr_t) == sizeof(u64)) ? MPI_SGE_FLAGS_64_BIT_ADDRESSING : \
		MPI_SGE_FLAGS_32_BIT_ADDRESSING)

#define mpt_msg_flags() \
	((sizeof(dma_addr_t) == sizeof(u64)) ? MPI_SCSIIO_MSGFLGS_SENSE_WIDTH_64 : \
		MPI_SCSIIO_MSGFLGS_SENSE_WIDTH_32)

/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
/*
 *  Funky (private) macros...
 */
#ifdef MPT_DEBUG
#define dprintk(x)  printk x
#else
#define dprintk(x)
#endif

#ifdef MPT_DEBUG_INIT
#define dinitprintk(x)  printk x
#define DBG_DUMP_FW_REQUEST_FRAME(mfp) \
	{	int  i, n = 10;						\
		u32 *m = (u32 *)(mfp);					\
		printk(KERN_INFO " ");					\
		for (i=0; i<n; i++)					\
			printk(" %08x", le32_to_cpu(m[i]));		\
		printk("\n");						\
	}
#else
#define dinitprintk(x)
#define DBG_DUMP_FW_REQUEST_FRAME(mfp)
#endif

#ifdef MPT_DEBUG_EXIT
#define dexitprintk(x)  printk x
#else
#define dexitprintk(x)
#endif

#if defined MPT_DEBUG_FAIL || defined (MPT_DEBUG_SG)
#define dfailprintk(x) printk x
#else
#define dfailprintk(x)
#endif

#ifdef MPT_DEBUG_HANDSHAKE
#define dhsprintk(x)  printk x
#else
#define dhsprintk(x)
#endif

#if defined(MPT_DEBUG_EVENTS) || defined(MPT_DEBUG_VERBOSE_EVENTS)
#define devtprintk(x)  printk x
#else
#define devtprintk(x)
#endif

#ifdef MPT_DEBUG_VERBOSE_EVENTS
#define devtverboseprintk(x)  printk x
#else
#define devtverboseprintk(x)
#endif

#ifdef MPT_DEBUG_RESET
#define drsprintk(x)  printk x
#else
#define drsprintk(x)
#endif

//#if defined(MPT_DEBUG) || defined(MPT_DEBUG_MSG_FRAME)
#if defined(MPT_DEBUG_MSG_FRAME)
#define dmfprintk(x)  printk x
#define DBG_DUMP_REQUEST_FRAME(mfp) \
	{	int  i, n = 24;						\
		u32 *m = (u32 *)(mfp);					\
		for (i=0; i<n; i++) {					\
			if (i && ((i%8)==0))				\
				printk("\n");				\
			printk("%08x ", le32_to_cpu(m[i]));		\
		}							\
		printk("\n");						\
	}
#else
#define dmfprintk(x)
#define DBG_DUMP_REQUEST_FRAME(mfp)
#endif

#ifdef MPT_DEBUG_IRQ
#define dirqprintk(x)  printk x
#else
#define dirqprintk(x)
#endif

#ifdef MPT_DEBUG_SG
#define dsgprintk(x)  printk x
#else
#define dsgprintk(x)
#endif

#if defined(MPT_DEBUG_DL) || defined(MPT_DEBUG)
#define ddlprintk(x)  printk x
#else
#define ddlprintk(x)
#endif

#ifdef MPT_DEBUG_DV
#define ddvprintk(x)  printk x
#else
#define ddvprintk(x)
#endif

#if defined(MPT_DEBUG_DV) || defined(MPT_DEBUG_DV_TINY)
#define ddvtprintk(x)  printk x
#else
#define ddvtprintk(x)
#endif

#ifdef MPT_DEBUG_IOCTL
#define dctlprintk(x) printk x
#else
#define dctlprintk(x)
#endif

#ifdef MPT_DEBUG_REPLY
#define dreplyprintk(x) printk x
#else
#define dreplyprintk(x)
#endif

#ifdef DMPT_DEBUG_FC
#define dfcprintk(x) printk x
#else
#define dfcprintk(x)
#endif

#ifdef MPT_DEBUG_TM
#define dtmprintk(x) printk x
#define DBG_DUMP_TM_REQUEST_FRAME(mfp) \
	{	u32 *m = (u32 *)(mfp);					\
		int  i, n = 13;						\
		printk("TM_REQUEST:\n");				\
		for (i=0; i<n; i++) {					\
			if (i && ((i%8)==0))				\
				printk("\n");				\
			printk("%08x ", le32_to_cpu(m[i]));		\
		}							\
		printk("\n");						\
	}
#define DBG_DUMP_TM_REPLY_FRAME(mfp) \
	{	u32 *m = (u32 *)(mfp);					\
		int  i, n = (le32_to_cpu(m[0]) & 0x00FF0000) >> 16;	\
		printk("TM_REPLY MessageLength=%d:\n", n);		\
		for (i=0; i<n; i++) {					\
			if (i && ((i%8)==0))				\
				printk("\n");				\
			printk(" %08x", le32_to_cpu(m[i]));		\
		}							\
		printk("\n");						\
	}
#else
#define dtmprintk(x)
#define DBG_DUMP_TM_REQUEST_FRAME(mfp)
#define DBG_DUMP_TM_REPLY_FRAME(mfp)
#endif

#if defined(MPT_DEBUG_CONFIG) || defined(MPT_DEBUG)
#define dcprintk(x) printk x
#else
#define dcprintk(x)
#endif

#if defined(MPT_DEBUG_SCSI) || defined(MPT_DEBUG) || defined(MPT_DEBUG_MSG_FRAME)
#define dsprintk(x) printk x
#else
#define dsprintk(x)
#endif


#define MPT_INDEX_2_MFPTR(ioc,idx) \
	(MPT_FRAME_HDR*)( (u8*)(ioc)->req_frames + (ioc)->req_sz * (idx) )

#define MFPTR_2_MPT_INDEX(ioc,mf) \
	(int)( ((u8*)mf - (u8*)(ioc)->req_frames) / (ioc)->req_sz )

#define MPT_INDEX_2_RFPTR(ioc,idx) \
	(MPT_FRAME_HDR*)( (u8*)(ioc)->reply_frames + (ioc)->req_sz * (idx) )

#if defined(MPT_DEBUG) || defined(MPT_DEBUG_MSG_FRAME)
#define DBG_DUMP_REPLY_FRAME(mfp) \
	{	u32 *m = (u32 *)(mfp);					\
		int  i, n = (le32_to_cpu(m[0]) & 0x00FF0000) >> 16;	\
		printk(KERN_INFO " ");					\
		for (i=0; i<n; i++)					\
			printk(" %08x", le32_to_cpu(m[i]));		\
		printk("\n");						\
	}
#define DBG_DUMP_REQUEST_FRAME_HDR(mfp) \
	{	int  i, n = 3;						\
		u32 *m = (u32 *)(mfp);					\
		printk(KERN_INFO " ");					\
		for (i=0; i<n; i++)					\
			printk(" %08x", le32_to_cpu(m[i]));		\
		printk("\n");						\
	}
#else
#define DBG_DUMP_REPLY_FRAME(mfp)
#define DBG_DUMP_REQUEST_FRAME_HDR(mfp)
#endif

// debug sas wide ports
#ifdef MPT_DEBUG_SAS_WIDE
#define dsaswideprintk(x) printk x
#else
#define dsaswideprintk(x)
#endif


/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/

#define SCSI_STD_SENSE_BYTES    18
#define SCSI_STD_INQUIRY_BYTES  36
#define SCSI_MAX_INQUIRY_BYTES  96

/*
 * MPT_SCSI_HOST defines - Used by the IOCTL and the SCSI drivers
 * Private to the driver.
 */
/* LOCAL structure and fields used when processing
 * internally generated commands. These include:
 * bus scan, dv and config requests.
 */
typedef struct _MPT_LOCAL_REPLY {
	ConfigPageHeader_t header;
	int	completion;
	u8	sense[SCSI_STD_SENSE_BYTES];
	u8	scsiStatus;
	u8	skip;
	u32	pad;
} MPT_LOCAL_REPLY;

#define MPT_HOST_BUS_UNKNOWN		(0xFF)
#define MPT_HOST_TOO_MANY_TM		(0x05)
#define MPT_HOST_NVRAM_INVALID		(0xFFFFFFFF)
#define MPT_HOST_NO_CHAIN		(0xFFFFFFFF)
#define MPT_NVRAM_MASK_TIMEOUT		(0x000000FF)
#define MPT_NVRAM_SYNC_MASK		(0x0000FF00)
#define MPT_NVRAM_SYNC_SHIFT		(8)
#define MPT_NVRAM_DISCONNECT_ENABLE	(0x00010000)
#define MPT_NVRAM_ID_SCAN_ENABLE	(0x00020000)
#define MPT_NVRAM_LUN_SCAN_ENABLE	(0x00040000)
#define MPT_NVRAM_TAG_QUEUE_ENABLE	(0x00080000)
#define MPT_NVRAM_WIDE_DISABLE		(0x00100000)
#define MPT_NVRAM_BOOT_CHOICE		(0x00200000)

/* The TM_STATE variable is used to provide strict single threading of TM
 * requests as well as communicate TM error conditions.
 */
#define TM_STATE_NONE          (0)
#define	TM_STATE_IN_PROGRESS   (1)
#define	TM_STATE_ERROR	       (2)

typedef enum {
	FC,
	SPI,
	SAS
} BUS_TYPE;

typedef struct _MPT_SCSI_HOST {
	MPT_ADAPTER		 *ioc;
	int			  port;
	u32			  pad0;
	struct scsi_cmnd	**ScsiLookup;
	MPT_LOCAL_REPLY		 *pLocal;		/* used for internal commands */
	struct timer_list	  timer;
		/* Pool of memory for holding SCpnts before doing
		 * OS callbacks. freeQ is the free pool.
		 */
	u8			  tmPending;
	u8			  resetPending;
	u8			  negoNvram;		/* DV disabled, nego NVRAM */
	u8			  pad1;
	u8                        tmState;
	u8			  rsvd[2];
	MPT_FRAME_HDR		 *cmdPtr;		/* Ptr to nonOS request */
	struct scsi_cmnd	 *abortSCpnt;
	MPT_LOCAL_REPLY		  localReply;		/* internal cmd reply struct */
	unsigned long		  hard_resets;		/* driver forced bus resets count */
	unsigned long		  soft_resets;		/* fw/external bus resets count */
	unsigned long		  timeouts;		/* cmd timeouts */
	ushort			  sel_timeout[MPT_MAX_FC_DEVICES];
	char 			  *info_kbuf;
	wait_queue_head_t	  scandv_waitq;
	int			  scandv_wait_done;
	long			  last_queue_full;
	u16			  tm_iocstatus;
	u16			  spi_pending;
	struct list_head	  target_reset_list;
} MPT_SCSI_HOST;

/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
/*
 *	More Dynamic Multi-Pathing stuff...
 */

/* Forward decl, a strange C thing, to prevent gcc compiler warnings */
struct scsi_cmnd;

/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
/*
 * Generic structure passed to the base mpt_config function.
 */
typedef struct _x_config_parms {
	struct list_head	 linkage;	/* linked list */
	struct timer_list	 timer;		/* timer function for this request  */
	union {
		ConfigExtendedPageHeader_t	*ehdr;
		ConfigPageHeader_t	*hdr;
	} cfghdr;
	dma_addr_t		 physAddr;
	int			 wait_done;	/* wait for this request */
	u32			 pageAddr;	/* properly formatted */
	u8			 action;
	u8			 dir;
	u8			 timeout;	/* seconds */
	u8			 pad1;
	u16			 status;
	u16			 pad2;
} CONFIGPARMS;

/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
/*
 *  Public entry points...
 */
extern int	 mpt_attach(struct pci_dev *pdev, const struct pci_device_id *id);
extern void	 mpt_detach(struct pci_dev *pdev);
#ifdef CONFIG_PM
extern int	 mpt_suspend(struct pci_dev *pdev, pm_message_t state);
extern int	 mpt_resume(struct pci_dev *pdev);
#endif
extern int	 mpt_register(MPT_CALLBACK cbfunc, MPT_DRIVER_CLASS dclass);
extern void	 mpt_deregister(int cb_idx);
extern int	 mpt_event_register(int cb_idx, MPT_EVHANDLER ev_cbfunc);
extern void	 mpt_event_deregister(int cb_idx);
extern int	 mpt_reset_register(int cb_idx, MPT_RESETHANDLER reset_func);
extern void	 mpt_reset_deregister(int cb_idx);
extern int	 mpt_device_driver_register(struct mpt_pci_driver * dd_cbfunc, int cb_idx);
extern void	 mpt_device_driver_deregister(int cb_idx);
extern MPT_FRAME_HDR	*mpt_get_msg_frame(int handle, MPT_ADAPTER *ioc);
extern void	 mpt_free_msg_frame(MPT_ADAPTER *ioc, MPT_FRAME_HDR *mf);
extern void	 mpt_put_msg_frame(int handle, MPT_ADAPTER *ioc, MPT_FRAME_HDR *mf);
extern void	 mpt_add_sge(char *pAddr, u32 flagslength, dma_addr_t dma_addr);

extern int	 mpt_send_handshake_request(int handle, MPT_ADAPTER *ioc, int reqBytes, u32 *req, int sleepFlag);
extern int	 mpt_verify_adapter(int iocid, MPT_ADAPTER **iocpp);
extern u32	 mpt_GetIocState(MPT_ADAPTER *ioc, int cooked);
extern void	 mpt_print_ioc_summary(MPT_ADAPTER *ioc, char *buf, int *size, int len, int showlan);
extern int	 mpt_HardResetHandler(MPT_ADAPTER *ioc, int sleepFlag);
extern int	 mpt_config(MPT_ADAPTER *ioc, CONFIGPARMS *cfg);
extern void	 mpt_alloc_fw_memory(MPT_ADAPTER *ioc, int size);
extern void	 mpt_free_fw_memory(MPT_ADAPTER *ioc);
extern int	 mpt_findImVolumes(MPT_ADAPTER *ioc);
extern int	 mptbase_sas_persist_operation(MPT_ADAPTER *ioc, u8 persist_opcode);
extern int	 mpt_raid_phys_disk_pg0(MPT_ADAPTER *ioc, u8 phys_disk_num, pRaidPhysDiskPage0_t phys_disk);

/*
 *  Public data decl's...
 */
extern struct list_head	  ioc_list;
extern struct proc_dir_entry	*mpt_proc_root_dir;

extern int		  mpt_lan_index;	/* needed by mptlan.c */
extern int		  mpt_stm_index;	/* needed by mptstm.c */

/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
#endif		/* } __KERNEL__ */

#if defined(__alpha__) || defined(__sparc_v9__) || defined(__ia64__) || defined(__x86_64__) || defined(__powerpc__)
#define CAST_U32_TO_PTR(x)	((void *)(u64)x)
#define CAST_PTR_TO_U32(x)	((u32)(u64)x)
#else
#define CAST_U32_TO_PTR(x)	((void *)x)
#define CAST_PTR_TO_U32(x)	((u32)x)
#endif

#define MPT_PROTOCOL_FLAGS_c_c_c_c(pflags) \
	((pflags) & MPI_PORTFACTS_PROTOCOL_INITIATOR)	? 'I' : 'i',	\
	((pflags) & MPI_PORTFACTS_PROTOCOL_TARGET)	? 'T' : 't',	\
	((pflags) & MPI_PORTFACTS_PROTOCOL_LAN)		? 'L' : 'l',	\
	((pflags) & MPI_PORTFACTS_PROTOCOL_LOGBUSADDR)	? 'B' : 'b'

/*
 *  Shifted SGE Defines - Use in SGE with FlagsLength member.
 *  Otherwise, use MPI_xxx defines (refer to "lsi/mpi.h" header).
 *  Defaults: 32 bit SGE, SYSTEM_ADDRESS if direction bit is 0, read
 */
#define MPT_TRANSFER_IOC_TO_HOST		(0x00000000)
#define MPT_TRANSFER_HOST_TO_IOC		(0x04000000)
#define MPT_SGE_FLAGS_LAST_ELEMENT		(0x80000000)
#define MPT_SGE_FLAGS_END_OF_BUFFER		(0x40000000)
#define MPT_SGE_FLAGS_LOCAL_ADDRESS		(0x08000000)
#define MPT_SGE_FLAGS_DIRECTION			(0x04000000)
#define MPT_SGE_FLAGS_ADDRESSING		(mpt_addr_size() << MPI_SGE_FLAGS_SHIFT)
#define MPT_SGE_FLAGS_END_OF_LIST		(0x01000000)

#define MPT_SGE_FLAGS_TRANSACTION_ELEMENT	(0x00000000)
#define MPT_SGE_FLAGS_SIMPLE_ELEMENT		(0x10000000)
#define MPT_SGE_FLAGS_CHAIN_ELEMENT		(0x30000000)
#define MPT_SGE_FLAGS_ELEMENT_MASK		(0x30000000)

#define MPT_SGE_FLAGS_SSIMPLE_READ \
	(MPT_SGE_FLAGS_LAST_ELEMENT |	\
	 MPT_SGE_FLAGS_END_OF_BUFFER |	\
	 MPT_SGE_FLAGS_END_OF_LIST |	\
	 MPT_SGE_FLAGS_SIMPLE_ELEMENT |	\
	 MPT_SGE_FLAGS_ADDRESSING | \
	 MPT_TRANSFER_IOC_TO_HOST)
#define MPT_SGE_FLAGS_SSIMPLE_WRITE \
	(MPT_SGE_FLAGS_LAST_ELEMENT |	\
	 MPT_SGE_FLAGS_END_OF_BUFFER |	\
	 MPT_SGE_FLAGS_END_OF_LIST |	\
	 MPT_SGE_FLAGS_SIMPLE_ELEMENT |	\
	 MPT_SGE_FLAGS_ADDRESSING | \
	 MPT_TRANSFER_HOST_TO_IOC)

/*}-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
#endif