1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
729
730
731
732
733
734
735
736
737
738
739
740
741
742
743
744
745
746
747
748
749
750
751
752
753
754
755
756
757
758
759
760
761
762
763
764
765
766
767
768
769
770
771
772
773
774
775
776
777
778
779
780
781
782
783
784
785
786
787
788
789
790
791
792
793
794
795
796
797
798
799
800
801
802
803
804
805
806
807
808
809
810
811
812
813
814
815
816
817
818
819
820
821
822
823
824
825
826
827
828
829
830
831
832
833
834
835
836
837
838
839
840
841
842
843
844
845
846
847
848
849
850
851
852
853
854
855
856
857
858
859
860
861
862
863
864
865
866
867
868
869
870
871
872
873
874
875
876
877
878
879
880
881
882
883
884
885
886
887
888
889
890
891
892
893
894
895
896
897
898
899
900
901
902
903
904
905
906
907
908
909
910
911
912
913
914
915
916
917
918
919
920
921
922
923
924
925
926
927
928
929
930
931
932
933
934
935
936
937
938
939
940
941
942
943
944
945
946
947
948
949
950
951
952
953
954
955
956
957
958
959
960
961
962
963
964
965
966
967
968
969
970
971
972
973
974
975
976
977
978
979
980
981
982
983
984
985
986
987
988
989
990
991
992
993
994
995
996
997
998
999
1000
1001
1002
1003
1004
1005
1006
1007
1008
1009
1010
1011
1012
1013
1014
1015
1016
1017
1018
1019
1020
1021
1022
1023
1024
1025
1026
1027
1028
1029
1030
1031
1032
1033
1034
1035
1036
1037
1038
1039
1040
1041
1042
1043
1044
1045
1046
1047
1048
1049
1050
1051
1052
1053
1054
1055
1056
1057
1058
1059
1060
1061
1062
1063
1064
1065
1066
1067
1068
1069
1070
1071
1072
1073
1074
1075
1076
1077
1078
1079
1080
1081
1082
1083
1084
1085
1086
1087
1088
1089
1090
1091
1092
1093
1094
1095
1096
1097
1098
1099
1100
1101
1102
1103
1104
1105
1106
1107
1108
1109
1110
1111
1112
1113
1114
1115
1116
1117
1118
1119
1120
1121
1122
1123
1124
1125
1126
1127
1128
1129
1130
1131
1132
1133
1134
1135
1136
1137
1138
1139
1140
1141
1142
1143
1144
1145
1146
1147
1148
1149
1150
1151
1152
1153
1154
1155
1156
1157
1158
1159
1160
1161
1162
1163
1164
1165
1166
1167
1168
1169
1170
1171
1172
1173
1174
1175
1176
1177
1178
1179
1180
1181
1182
1183
1184
1185
1186
1187
1188
1189
1190
1191
1192
1193
1194
1195
1196
1197
1198
1199
1200
1201
1202
1203
1204
1205
1206
1207
1208
1209
1210
1211
1212
1213
1214
1215
1216
1217
1218
1219
1220
1221
1222
1223
1224
1225
1226
1227
1228
1229
1230
1231
1232
1233
1234
1235
1236
1237
1238
1239
1240
1241
1242
1243
1244
1245
1246
1247
1248
1249
1250
1251
1252
1253
1254
1255
1256
1257
1258
1259
1260
1261
1262
1263
1264
1265
1266
|
/*-
* Data structures and definitions for CAM Control Blocks (CCBs).
*
* Copyright (c) 1997, 1998 Justin T. Gibbs.
* All rights reserved.
*
* 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,
* without modification, immediately at the beginning of the file.
* 2. 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 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.
*
* $FreeBSD$
*/
#ifndef _CAM_CAM_CCB_H
#define _CAM_CAM_CCB_H 1
#include <sys/queue.h>
#include <sys/cdefs.h>
#include <sys/time.h>
#include <sys/limits.h>
#ifndef _KERNEL
#include <sys/callout.h>
#endif
#include <cam/cam_debug.h>
#include <cam/scsi/scsi_all.h>
#include <cam/ata/ata_all.h>
/* General allocation length definitions for CCB structures */
#define IOCDBLEN CAM_MAX_CDBLEN /* Space for CDB bytes/pointer */
#define VUHBALEN 14 /* Vendor Unique HBA length */
#define SIM_IDLEN 16 /* ASCII string len for SIM ID */
#define HBA_IDLEN 16 /* ASCII string len for HBA ID */
#define DEV_IDLEN 16 /* ASCII string len for device names */
#define CCB_PERIPH_PRIV_SIZE 2 /* size of peripheral private area */
#define CCB_SIM_PRIV_SIZE 2 /* size of sim private area */
/* Struct definitions for CAM control blocks */
/* Common CCB header */
/* CAM CCB flags */
typedef enum {
CAM_CDB_POINTER = 0x00000001,/* The CDB field is a pointer */
CAM_QUEUE_ENABLE = 0x00000002,/* SIM queue actions are enabled */
CAM_CDB_LINKED = 0x00000004,/* CCB contains a linked CDB */
CAM_NEGOTIATE = 0x00000008,/*
* Perform transport negotiation
* with this command.
*/
CAM_SCATTER_VALID = 0x00000010,/* Scatter/gather list is valid */
CAM_DIS_AUTOSENSE = 0x00000020,/* Disable autosense feature */
CAM_DIR_BOTH = 0x00000000,/* Data direction (00:IN/OUT) */
CAM_DIR_IN = 0x00000040,/* Data direction (01:DATA IN) */
CAM_DIR_OUT = 0x00000080,/* Data direction (10:DATA OUT) */
CAM_DIR_NONE = 0x000000C0,/* Data direction (11:no data) */
CAM_DIR_MASK = 0x000000C0,/* Data direction Mask */
CAM_SOFT_RST_OP = 0x00000100,/* Use Soft reset alternative */
CAM_ENG_SYNC = 0x00000200,/* Flush resid bytes on complete */
CAM_DEV_QFRZDIS = 0x00000400,/* Disable DEV Q freezing */
CAM_DEV_QFREEZE = 0x00000800,/* Freeze DEV Q on execution */
CAM_HIGH_POWER = 0x00001000,/* Command takes a lot of power */
CAM_SENSE_PTR = 0x00002000,/* Sense data is a pointer */
CAM_SENSE_PHYS = 0x00004000,/* Sense pointer is physical addr*/
CAM_TAG_ACTION_VALID = 0x00008000,/* Use the tag action in this ccb*/
CAM_PASS_ERR_RECOVER = 0x00010000,/* Pass driver does err. recovery*/
CAM_DIS_DISCONNECT = 0x00020000,/* Disable disconnect */
CAM_SG_LIST_PHYS = 0x00040000,/* SG list has physical addrs. */
CAM_MSG_BUF_PHYS = 0x00080000,/* Message buffer ptr is physical*/
CAM_SNS_BUF_PHYS = 0x00100000,/* Autosense data ptr is physical*/
CAM_DATA_PHYS = 0x00200000,/* SG/Buffer data ptrs are phys. */
CAM_CDB_PHYS = 0x00400000,/* CDB poiner is physical */
CAM_ENG_SGLIST = 0x00800000,/* SG list is for the HBA engine */
/* Phase cognizant mode flags */
CAM_DIS_AUTOSRP = 0x01000000,/* Disable autosave/restore ptrs */
CAM_DIS_AUTODISC = 0x02000000,/* Disable auto disconnect */
CAM_TGT_CCB_AVAIL = 0x04000000,/* Target CCB available */
CAM_TGT_PHASE_MODE = 0x08000000,/* The SIM runs in phase mode */
CAM_MSGB_VALID = 0x10000000,/* Message buffer valid */
CAM_STATUS_VALID = 0x20000000,/* Status buffer valid */
CAM_DATAB_VALID = 0x40000000,/* Data buffer valid */
/* Host target Mode flags */
CAM_SEND_SENSE = 0x08000000,/* Send sense data with status */
CAM_TERM_IO = 0x10000000,/* Terminate I/O Message sup. */
CAM_DISCONNECT = 0x20000000,/* Disconnects are mandatory */
CAM_SEND_STATUS = 0x40000000 /* Send status after data phase */
} ccb_flags;
/* XPT Opcodes for xpt_action */
typedef enum {
/* Function code flags are bits greater than 0xff */
XPT_FC_QUEUED = 0x100,
/* Non-immediate function code */
XPT_FC_USER_CCB = 0x200,
XPT_FC_XPT_ONLY = 0x400,
/* Only for the transport layer device */
XPT_FC_DEV_QUEUED = 0x800 | XPT_FC_QUEUED,
/* Passes through the device queues */
/* Common function commands: 0x00->0x0F */
XPT_NOOP = 0x00,
/* Execute Nothing */
XPT_SCSI_IO = 0x01 | XPT_FC_DEV_QUEUED,
/* Execute the requested I/O operation */
XPT_GDEV_TYPE = 0x02,
/* Get type information for specified device */
XPT_GDEVLIST = 0x03,
/* Get a list of peripheral devices */
XPT_PATH_INQ = 0x04,
/* Path routing inquiry */
XPT_REL_SIMQ = 0x05,
/* Release a frozen device queue */
XPT_SASYNC_CB = 0x06,
/* Set Asynchronous Callback Parameters */
XPT_SDEV_TYPE = 0x07,
/* Set device type information */
XPT_SCAN_BUS = 0x08 | XPT_FC_QUEUED | XPT_FC_USER_CCB
| XPT_FC_XPT_ONLY,
/* (Re)Scan the SCSI Bus */
XPT_DEV_MATCH = 0x09 | XPT_FC_XPT_ONLY,
/* Get EDT entries matching the given pattern */
XPT_DEBUG = 0x0a,
/* Turn on debugging for a bus, target or lun */
XPT_PATH_STATS = 0x0b,
/* Path statistics (error counts, etc.) */
XPT_GDEV_STATS = 0x0c,
/* Device statistics (error counts, etc.) */
XPT_FREEZE_QUEUE = 0x0d,
/* Freeze device queue */
XPT_GDEV_ADVINFO = 0x0e,
/* Advanced device information */
/* SCSI Control Functions: 0x10->0x1F */
XPT_ABORT = 0x10,
/* Abort the specified CCB */
XPT_RESET_BUS = 0x11 | XPT_FC_XPT_ONLY,
/* Reset the specified SCSI bus */
XPT_RESET_DEV = 0x12 | XPT_FC_DEV_QUEUED,
/* Bus Device Reset the specified SCSI device */
XPT_TERM_IO = 0x13,
/* Terminate the I/O process */
XPT_SCAN_LUN = 0x14 | XPT_FC_QUEUED | XPT_FC_USER_CCB
| XPT_FC_XPT_ONLY,
/* Scan Logical Unit */
XPT_GET_TRAN_SETTINGS = 0x15,
/*
* Get default/user transfer settings
* for the target
*/
XPT_SET_TRAN_SETTINGS = 0x16,
/*
* Set transfer rate/width
* negotiation settings
*/
XPT_CALC_GEOMETRY = 0x17,
/*
* Calculate the geometry parameters for
* a device give the sector size and
* volume size.
*/
XPT_ATA_IO = 0x18 | XPT_FC_DEV_QUEUED,
/* Execute the requested ATA I/O operation */
XPT_GET_SIM_KNOB = 0x18,
/*
* Get SIM specific knob values.
*/
XPT_SET_SIM_KNOB = 0x19,
/*
* Set SIM specific knob values.
*/
XPT_SMP_IO = 0x1b | XPT_FC_DEV_QUEUED,
/* Serial Management Protocol */
XPT_SCAN_TGT = 0x1E | XPT_FC_QUEUED | XPT_FC_USER_CCB
| XPT_FC_XPT_ONLY,
/* Scan Target */
/* HBA engine commands 0x20->0x2F */
XPT_ENG_INQ = 0x20 | XPT_FC_XPT_ONLY,
/* HBA engine feature inquiry */
XPT_ENG_EXEC = 0x21 | XPT_FC_DEV_QUEUED,
/* HBA execute engine request */
/* Target mode commands: 0x30->0x3F */
XPT_EN_LUN = 0x30,
/* Enable LUN as a target */
XPT_TARGET_IO = 0x31 | XPT_FC_DEV_QUEUED,
/* Execute target I/O request */
XPT_ACCEPT_TARGET_IO = 0x32 | XPT_FC_QUEUED | XPT_FC_USER_CCB,
/* Accept Host Target Mode CDB */
XPT_CONT_TARGET_IO = 0x33 | XPT_FC_DEV_QUEUED,
/* Continue Host Target I/O Connection */
XPT_IMMED_NOTIFY = 0x34 | XPT_FC_QUEUED | XPT_FC_USER_CCB,
/* Notify Host Target driver of event (obsolete) */
XPT_NOTIFY_ACK = 0x35,
/* Acknowledgement of event (obsolete) */
XPT_IMMEDIATE_NOTIFY = 0x36 | XPT_FC_QUEUED | XPT_FC_USER_CCB,
/* Notify Host Target driver of event */
XPT_NOTIFY_ACKNOWLEDGE = 0x37 | XPT_FC_QUEUED | XPT_FC_USER_CCB,
/* Acknowledgement of event */
/* Vendor Unique codes: 0x80->0x8F */
XPT_VUNIQUE = 0x80
} xpt_opcode;
#define XPT_FC_GROUP_MASK 0xF0
#define XPT_FC_GROUP(op) ((op) & XPT_FC_GROUP_MASK)
#define XPT_FC_GROUP_COMMON 0x00
#define XPT_FC_GROUP_SCSI_CONTROL 0x10
#define XPT_FC_GROUP_HBA_ENGINE 0x20
#define XPT_FC_GROUP_TMODE 0x30
#define XPT_FC_GROUP_VENDOR_UNIQUE 0x80
#define XPT_FC_IS_DEV_QUEUED(ccb) \
(((ccb)->ccb_h.func_code & XPT_FC_DEV_QUEUED) == XPT_FC_DEV_QUEUED)
#define XPT_FC_IS_QUEUED(ccb) \
(((ccb)->ccb_h.func_code & XPT_FC_QUEUED) != 0)
typedef enum {
PROTO_UNKNOWN,
PROTO_UNSPECIFIED,
PROTO_SCSI, /* Small Computer System Interface */
PROTO_ATA, /* AT Attachment */
PROTO_ATAPI, /* AT Attachment Packetized Interface */
PROTO_SATAPM, /* SATA Port Multiplier */
} cam_proto;
typedef enum {
XPORT_UNKNOWN,
XPORT_UNSPECIFIED,
XPORT_SPI, /* SCSI Parallel Interface */
XPORT_FC, /* Fiber Channel */
XPORT_SSA, /* Serial Storage Architecture */
XPORT_USB, /* Universal Serial Bus */
XPORT_PPB, /* Parallel Port Bus */
XPORT_ATA, /* AT Attachment */
XPORT_SAS, /* Serial Attached SCSI */
XPORT_SATA, /* Serial AT Attachment */
XPORT_ISCSI, /* iSCSI */
} cam_xport;
#define PROTO_VERSION_UNKNOWN (UINT_MAX - 1)
#define PROTO_VERSION_UNSPECIFIED UINT_MAX
#define XPORT_VERSION_UNKNOWN (UINT_MAX - 1)
#define XPORT_VERSION_UNSPECIFIED UINT_MAX
typedef union {
LIST_ENTRY(ccb_hdr) le;
SLIST_ENTRY(ccb_hdr) sle;
TAILQ_ENTRY(ccb_hdr) tqe;
STAILQ_ENTRY(ccb_hdr) stqe;
} camq_entry;
typedef union {
void *ptr;
u_long field;
u_int8_t bytes[sizeof(uintptr_t)];
} ccb_priv_entry;
typedef union {
ccb_priv_entry entries[CCB_PERIPH_PRIV_SIZE];
u_int8_t bytes[CCB_PERIPH_PRIV_SIZE * sizeof(ccb_priv_entry)];
} ccb_ppriv_area;
typedef union {
ccb_priv_entry entries[CCB_SIM_PRIV_SIZE];
u_int8_t bytes[CCB_SIM_PRIV_SIZE * sizeof(ccb_priv_entry)];
} ccb_spriv_area;
struct ccb_hdr {
cam_pinfo pinfo; /* Info for priority scheduling */
camq_entry xpt_links; /* For chaining in the XPT layer */
camq_entry sim_links; /* For chaining in the SIM layer */
camq_entry periph_links; /* For chaining in the type driver */
u_int32_t retry_count;
void (*cbfcnp)(struct cam_periph *, union ccb *);
/* Callback on completion function */
xpt_opcode func_code; /* XPT function code */
u_int32_t status; /* Status returned by CAM subsystem */
struct cam_path *path; /* Compiled path for this ccb */
path_id_t path_id; /* Path ID for the request */
target_id_t target_id; /* Target device ID */
lun_id_t target_lun; /* Target LUN number */
u_int32_t flags; /* ccb_flags */
ccb_ppriv_area periph_priv;
ccb_spriv_area sim_priv;
u_int32_t timeout; /* Timeout value */
/*
* Deprecated, only for use by non-MPSAFE SIMs. All others must
* allocate and initialize their own callout storage.
*/
struct callout_handle timeout_ch;
};
/* Get Device Information CCB */
struct ccb_getdev {
struct ccb_hdr ccb_h;
cam_proto protocol;
struct scsi_inquiry_data inq_data;
struct ata_params ident_data;
u_int8_t serial_num[252];
u_int8_t inq_flags;
u_int8_t serial_num_len;
};
/* Device Statistics CCB */
struct ccb_getdevstats {
struct ccb_hdr ccb_h;
int dev_openings; /* Space left for more work on device*/
int dev_active; /* Transactions running on the device */
int devq_openings; /* Space left for more queued work */
int devq_queued; /* Transactions queued to be sent */
int held; /*
* CCBs held by peripheral drivers
* for this device
*/
int maxtags; /*
* Boundary conditions for number of
* tagged operations
*/
int mintags;
struct timeval last_reset; /* Time of last bus reset/loop init */
};
typedef enum {
CAM_GDEVLIST_LAST_DEVICE,
CAM_GDEVLIST_LIST_CHANGED,
CAM_GDEVLIST_MORE_DEVS,
CAM_GDEVLIST_ERROR
} ccb_getdevlist_status_e;
struct ccb_getdevlist {
struct ccb_hdr ccb_h;
char periph_name[DEV_IDLEN];
u_int32_t unit_number;
unsigned int generation;
u_int32_t index;
ccb_getdevlist_status_e status;
};
typedef enum {
PERIPH_MATCH_NONE = 0x000,
PERIPH_MATCH_PATH = 0x001,
PERIPH_MATCH_TARGET = 0x002,
PERIPH_MATCH_LUN = 0x004,
PERIPH_MATCH_NAME = 0x008,
PERIPH_MATCH_UNIT = 0x010,
PERIPH_MATCH_ANY = 0x01f
} periph_pattern_flags;
struct periph_match_pattern {
char periph_name[DEV_IDLEN];
u_int32_t unit_number;
path_id_t path_id;
target_id_t target_id;
lun_id_t target_lun;
periph_pattern_flags flags;
};
typedef enum {
DEV_MATCH_NONE = 0x000,
DEV_MATCH_PATH = 0x001,
DEV_MATCH_TARGET = 0x002,
DEV_MATCH_LUN = 0x004,
DEV_MATCH_INQUIRY = 0x008,
DEV_MATCH_ANY = 0x00f
} dev_pattern_flags;
struct device_match_pattern {
path_id_t path_id;
target_id_t target_id;
lun_id_t target_lun;
struct scsi_static_inquiry_pattern inq_pat;
dev_pattern_flags flags;
};
typedef enum {
BUS_MATCH_NONE = 0x000,
BUS_MATCH_PATH = 0x001,
BUS_MATCH_NAME = 0x002,
BUS_MATCH_UNIT = 0x004,
BUS_MATCH_BUS_ID = 0x008,
BUS_MATCH_ANY = 0x00f
} bus_pattern_flags;
struct bus_match_pattern {
path_id_t path_id;
char dev_name[DEV_IDLEN];
u_int32_t unit_number;
u_int32_t bus_id;
bus_pattern_flags flags;
};
union match_pattern {
struct periph_match_pattern periph_pattern;
struct device_match_pattern device_pattern;
struct bus_match_pattern bus_pattern;
};
typedef enum {
DEV_MATCH_PERIPH,
DEV_MATCH_DEVICE,
DEV_MATCH_BUS
} dev_match_type;
struct dev_match_pattern {
dev_match_type type;
union match_pattern pattern;
};
struct periph_match_result {
char periph_name[DEV_IDLEN];
u_int32_t unit_number;
path_id_t path_id;
target_id_t target_id;
lun_id_t target_lun;
};
typedef enum {
DEV_RESULT_NOFLAG = 0x00,
DEV_RESULT_UNCONFIGURED = 0x01
} dev_result_flags;
struct device_match_result {
path_id_t path_id;
target_id_t target_id;
lun_id_t target_lun;
cam_proto protocol;
struct scsi_inquiry_data inq_data;
struct ata_params ident_data;
dev_result_flags flags;
};
struct bus_match_result {
path_id_t path_id;
char dev_name[DEV_IDLEN];
u_int32_t unit_number;
u_int32_t bus_id;
};
union match_result {
struct periph_match_result periph_result;
struct device_match_result device_result;
struct bus_match_result bus_result;
};
struct dev_match_result {
dev_match_type type;
union match_result result;
};
typedef enum {
CAM_DEV_MATCH_LAST,
CAM_DEV_MATCH_MORE,
CAM_DEV_MATCH_LIST_CHANGED,
CAM_DEV_MATCH_SIZE_ERROR,
CAM_DEV_MATCH_ERROR
} ccb_dev_match_status;
typedef enum {
CAM_DEV_POS_NONE = 0x000,
CAM_DEV_POS_BUS = 0x001,
CAM_DEV_POS_TARGET = 0x002,
CAM_DEV_POS_DEVICE = 0x004,
CAM_DEV_POS_PERIPH = 0x008,
CAM_DEV_POS_PDPTR = 0x010,
CAM_DEV_POS_TYPEMASK = 0xf00,
CAM_DEV_POS_EDT = 0x100,
CAM_DEV_POS_PDRV = 0x200
} dev_pos_type;
struct ccb_dm_cookie {
void *bus;
void *target;
void *device;
void *periph;
void *pdrv;
};
struct ccb_dev_position {
u_int generations[4];
#define CAM_BUS_GENERATION 0x00
#define CAM_TARGET_GENERATION 0x01
#define CAM_DEV_GENERATION 0x02
#define CAM_PERIPH_GENERATION 0x03
dev_pos_type position_type;
struct ccb_dm_cookie cookie;
};
struct ccb_dev_match {
struct ccb_hdr ccb_h;
ccb_dev_match_status status;
u_int32_t num_patterns;
u_int32_t pattern_buf_len;
struct dev_match_pattern *patterns;
u_int32_t num_matches;
u_int32_t match_buf_len;
struct dev_match_result *matches;
struct ccb_dev_position pos;
};
/*
* Definitions for the path inquiry CCB fields.
*/
#define CAM_VERSION 0x15 /* Hex value for current version */
typedef enum {
PI_MDP_ABLE = 0x80, /* Supports MDP message */
PI_WIDE_32 = 0x40, /* Supports 32 bit wide SCSI */
PI_WIDE_16 = 0x20, /* Supports 16 bit wide SCSI */
PI_SDTR_ABLE = 0x10, /* Supports SDTR message */
PI_LINKED_CDB = 0x08, /* Supports linked CDBs */
PI_SATAPM = 0x04, /* Supports SATA PM */
PI_TAG_ABLE = 0x02, /* Supports tag queue messages */
PI_SOFT_RST = 0x01 /* Supports soft reset alternative */
} pi_inqflag;
typedef enum {
PIT_PROCESSOR = 0x80, /* Target mode processor mode */
PIT_PHASE = 0x40, /* Target mode phase cog. mode */
PIT_DISCONNECT = 0x20, /* Disconnects supported in target mode */
PIT_TERM_IO = 0x10, /* Terminate I/O message supported in TM */
PIT_GRP_6 = 0x08, /* Group 6 commands supported */
PIT_GRP_7 = 0x04 /* Group 7 commands supported */
} pi_tmflag;
typedef enum {
PIM_SCANHILO = 0x80, /* Bus scans from high ID to low ID */
PIM_NOREMOVE = 0x40, /* Removeable devices not included in scan */
PIM_NOINITIATOR = 0x20, /* Initiator role not supported. */
PIM_NOBUSRESET = 0x10, /* User has disabled initial BUS RESET */
PIM_NO_6_BYTE = 0x08, /* Do not send 6-byte commands */
PIM_SEQSCAN = 0x04 /* Do bus scans sequentially, not in parallel */
} pi_miscflag;
/* Path Inquiry CCB */
struct ccb_pathinq_settings_spi {
u_int8_t ppr_options;
};
struct ccb_pathinq_settings_fc {
u_int64_t wwnn; /* world wide node name */
u_int64_t wwpn; /* world wide port name */
u_int32_t port; /* 24 bit port id, if known */
u_int32_t bitrate; /* Mbps */
};
struct ccb_pathinq_settings_sas {
u_int32_t bitrate; /* Mbps */
};
#define PATHINQ_SETTINGS_SIZE 128
struct ccb_pathinq {
struct ccb_hdr ccb_h;
u_int8_t version_num; /* Version number for the SIM/HBA */
u_int8_t hba_inquiry; /* Mimic of INQ byte 7 for the HBA */
u_int8_t target_sprt; /* Flags for target mode support */
u_int8_t hba_misc; /* Misc HBA features */
u_int16_t hba_eng_cnt; /* HBA engine count */
/* Vendor Unique capabilities */
u_int8_t vuhba_flags[VUHBALEN];
u_int32_t max_target; /* Maximum supported Target */
u_int32_t max_lun; /* Maximum supported Lun */
u_int32_t async_flags; /* Installed Async handlers */
path_id_t hpath_id; /* Highest Path ID in the subsystem */
target_id_t initiator_id; /* ID of the HBA on the SCSI bus */
char sim_vid[SIM_IDLEN]; /* Vendor ID of the SIM */
char hba_vid[HBA_IDLEN]; /* Vendor ID of the HBA */
char dev_name[DEV_IDLEN];/* Device name for SIM */
u_int32_t unit_number; /* Unit number for SIM */
u_int32_t bus_id; /* Bus ID for SIM */
u_int32_t base_transfer_speed;/* Base bus speed in KB/sec */
cam_proto protocol;
u_int protocol_version;
cam_xport transport;
u_int transport_version;
union {
struct ccb_pathinq_settings_spi spi;
struct ccb_pathinq_settings_fc fc;
struct ccb_pathinq_settings_sas sas;
char ccb_pathinq_settings_opaque[PATHINQ_SETTINGS_SIZE];
} xport_specific;
u_int maxio; /* Max supported I/O size, in bytes. */
u_int16_t hba_vendor; /* HBA vendor ID */
u_int16_t hba_device; /* HBA device ID */
u_int16_t hba_subvendor; /* HBA subvendor ID */
u_int16_t hba_subdevice; /* HBA subdevice ID */
};
/* Path Statistics CCB */
struct ccb_pathstats {
struct ccb_hdr ccb_h;
struct timeval last_reset; /* Time of last bus reset/loop init */
};
typedef enum {
SMP_FLAG_NONE = 0x00,
SMP_FLAG_REQ_SG = 0x01,
SMP_FLAG_RSP_SG = 0x02
} ccb_smp_pass_flags;
/*
* Serial Management Protocol CCB
* XXX Currently the semantics for this CCB are that it is executed either
* by the addressed device, or that device's parent (i.e. an expander for
* any device on an expander) if the addressed device doesn't support SMP.
* Later, once we have the ability to probe SMP-only devices and put them
* in CAM's topology, the CCB will only be executed by the addressed device
* if possible.
*/
struct ccb_smpio {
struct ccb_hdr ccb_h;
uint8_t *smp_request;
int smp_request_len;
uint16_t smp_request_sglist_cnt;
uint8_t *smp_response;
int smp_response_len;
uint16_t smp_response_sglist_cnt;
ccb_smp_pass_flags flags;
};
typedef union {
u_int8_t *sense_ptr; /*
* Pointer to storage
* for sense information
*/
/* Storage Area for sense information */
struct scsi_sense_data sense_buf;
} sense_t;
typedef union {
u_int8_t *cdb_ptr; /* Pointer to the CDB bytes to send */
/* Area for the CDB send */
u_int8_t cdb_bytes[IOCDBLEN];
} cdb_t;
/*
* SCSI I/O Request CCB used for the XPT_SCSI_IO and XPT_CONT_TARGET_IO
* function codes.
*/
struct ccb_scsiio {
struct ccb_hdr ccb_h;
union ccb *next_ccb; /* Ptr for next CCB for action */
u_int8_t *req_map; /* Ptr to mapping info */
u_int8_t *data_ptr; /* Ptr to the data buf/SG list */
u_int32_t dxfer_len; /* Data transfer length */
/* Autosense storage */
struct scsi_sense_data sense_data;
u_int8_t sense_len; /* Number of bytes to autosense */
u_int8_t cdb_len; /* Number of bytes for the CDB */
u_int16_t sglist_cnt; /* Number of SG list entries */
u_int8_t scsi_status; /* Returned SCSI status */
u_int8_t sense_resid; /* Autosense resid length: 2's comp */
u_int32_t resid; /* Transfer residual length: 2's comp */
cdb_t cdb_io; /* Union for CDB bytes/pointer */
u_int8_t *msg_ptr; /* Pointer to the message buffer */
u_int16_t msg_len; /* Number of bytes for the Message */
u_int8_t tag_action; /* What to do for tag queueing */
/*
* The tag action should be either the define below (to send a
* non-tagged transaction) or one of the defined scsi tag messages
* from scsi_message.h.
*/
#define CAM_TAG_ACTION_NONE 0x00
u_int tag_id; /* tag id from initator (target mode) */
u_int init_id; /* initiator id of who selected */
};
/*
* ATA I/O Request CCB used for the XPT_ATA_IO function code.
*/
struct ccb_ataio {
struct ccb_hdr ccb_h;
union ccb *next_ccb; /* Ptr for next CCB for action */
struct ata_cmd cmd; /* ATA command register set */
struct ata_res res; /* ATA result register set */
u_int8_t *data_ptr; /* Ptr to the data buf/SG list */
u_int32_t dxfer_len; /* Data transfer length */
u_int32_t resid; /* Transfer residual length: 2's comp */
u_int8_t tag_action; /* What to do for tag queueing */
/*
* The tag action should be either the define below (to send a
* non-tagged transaction) or one of the defined scsi tag messages
* from scsi_message.h.
*/
#define CAM_TAG_ACTION_NONE 0x00
u_int tag_id; /* tag id from initator (target mode) */
u_int init_id; /* initiator id of who selected */
};
struct ccb_accept_tio {
struct ccb_hdr ccb_h;
cdb_t cdb_io; /* Union for CDB bytes/pointer */
u_int8_t cdb_len; /* Number of bytes for the CDB */
u_int8_t tag_action; /* What to do for tag queueing */
u_int8_t sense_len; /* Number of bytes of Sense Data */
u_int tag_id; /* tag id from initator (target mode) */
u_int init_id; /* initiator id of who selected */
struct scsi_sense_data sense_data;
};
/* Release SIM Queue */
struct ccb_relsim {
struct ccb_hdr ccb_h;
u_int32_t release_flags;
#define RELSIM_ADJUST_OPENINGS 0x01
#define RELSIM_RELEASE_AFTER_TIMEOUT 0x02
#define RELSIM_RELEASE_AFTER_CMDCMPLT 0x04
#define RELSIM_RELEASE_AFTER_QEMPTY 0x08
#define RELSIM_RELEASE_RUNLEVEL 0x10
u_int32_t openings;
u_int32_t release_timeout; /* Abstract argument. */
u_int32_t qfrozen_cnt;
};
/*
* Definitions for the asynchronous callback CCB fields.
*/
typedef enum {
AC_CONTRACT = 0x1000,/* A contractual callback */
AC_GETDEV_CHANGED = 0x800,/* Getdev info might have changed */
AC_INQ_CHANGED = 0x400,/* Inquiry info might have changed */
AC_TRANSFER_NEG = 0x200,/* New transfer settings in effect */
AC_LOST_DEVICE = 0x100,/* A device went away */
AC_FOUND_DEVICE = 0x080,/* A new device was found */
AC_PATH_DEREGISTERED = 0x040,/* A path has de-registered */
AC_PATH_REGISTERED = 0x020,/* A new path has been registered */
AC_SENT_BDR = 0x010,/* A BDR message was sent to target */
AC_SCSI_AEN = 0x008,/* A SCSI AEN has been received */
AC_UNSOL_RESEL = 0x002,/* Unsolicited reselection occurred */
AC_BUS_RESET = 0x001 /* A SCSI bus reset occurred */
} ac_code;
typedef void ac_callback_t (void *softc, u_int32_t code,
struct cam_path *path, void *args);
/*
* Generic Asynchronous callbacks.
*
* Generic arguments passed bac which are then interpreted between a per-system
* contract number.
*/
#define AC_CONTRACT_DATA_MAX (128 - sizeof (u_int64_t))
struct ac_contract {
u_int64_t contract_number;
u_int8_t contract_data[AC_CONTRACT_DATA_MAX];
};
#define AC_CONTRACT_DEV_CHG 1
struct ac_device_changed {
u_int64_t wwpn;
u_int32_t port;
target_id_t target;
u_int8_t arrived;
};
/* Set Asynchronous Callback CCB */
struct ccb_setasync {
struct ccb_hdr ccb_h;
u_int32_t event_enable; /* Async Event enables */
ac_callback_t *callback;
void *callback_arg;
};
/* Set Device Type CCB */
struct ccb_setdev {
struct ccb_hdr ccb_h;
u_int8_t dev_type; /* Value for dev type field in EDT */
};
/* SCSI Control Functions */
/* Abort XPT request CCB */
struct ccb_abort {
struct ccb_hdr ccb_h;
union ccb *abort_ccb; /* Pointer to CCB to abort */
};
/* Reset SCSI Bus CCB */
struct ccb_resetbus {
struct ccb_hdr ccb_h;
};
/* Reset SCSI Device CCB */
struct ccb_resetdev {
struct ccb_hdr ccb_h;
};
/* Terminate I/O Process Request CCB */
struct ccb_termio {
struct ccb_hdr ccb_h;
union ccb *termio_ccb; /* Pointer to CCB to terminate */
};
typedef enum {
CTS_TYPE_CURRENT_SETTINGS,
CTS_TYPE_USER_SETTINGS
} cts_type;
struct ccb_trans_settings_scsi
{
u_int valid; /* Which fields to honor */
#define CTS_SCSI_VALID_TQ 0x01
u_int flags;
#define CTS_SCSI_FLAGS_TAG_ENB 0x01
};
struct ccb_trans_settings_spi
{
u_int valid; /* Which fields to honor */
#define CTS_SPI_VALID_SYNC_RATE 0x01
#define CTS_SPI_VALID_SYNC_OFFSET 0x02
#define CTS_SPI_VALID_BUS_WIDTH 0x04
#define CTS_SPI_VALID_DISC 0x08
#define CTS_SPI_VALID_PPR_OPTIONS 0x10
u_int flags;
#define CTS_SPI_FLAGS_DISC_ENB 0x01
u_int sync_period;
u_int sync_offset;
u_int bus_width;
u_int ppr_options;
};
struct ccb_trans_settings_fc {
u_int valid; /* Which fields to honor */
#define CTS_FC_VALID_WWNN 0x8000
#define CTS_FC_VALID_WWPN 0x4000
#define CTS_FC_VALID_PORT 0x2000
#define CTS_FC_VALID_SPEED 0x1000
u_int64_t wwnn; /* world wide node name */
u_int64_t wwpn; /* world wide port name */
u_int32_t port; /* 24 bit port id, if known */
u_int32_t bitrate; /* Mbps */
};
struct ccb_trans_settings_sas {
u_int valid; /* Which fields to honor */
#define CTS_SAS_VALID_SPEED 0x1000
u_int32_t bitrate; /* Mbps */
};
struct ccb_trans_settings_ata {
u_int valid; /* Which fields to honor */
#define CTS_ATA_VALID_MODE 0x01
#define CTS_ATA_VALID_BYTECOUNT 0x02
#define CTS_ATA_VALID_ATAPI 0x20
int mode; /* Mode */
u_int bytecount; /* Length of PIO transaction */
u_int atapi; /* Length of ATAPI CDB */
};
struct ccb_trans_settings_sata {
u_int valid; /* Which fields to honor */
#define CTS_SATA_VALID_MODE 0x01
#define CTS_SATA_VALID_BYTECOUNT 0x02
#define CTS_SATA_VALID_REVISION 0x04
#define CTS_SATA_VALID_PM 0x08
#define CTS_SATA_VALID_TAGS 0x10
#define CTS_SATA_VALID_ATAPI 0x20
#define CTS_SATA_VALID_CAPS 0x40
int mode; /* Legacy PATA mode */
u_int bytecount; /* Length of PIO transaction */
int revision; /* SATA revision */
u_int pm_present; /* PM is present (XPT->SIM) */
u_int tags; /* Number of allowed tags */
u_int atapi; /* Length of ATAPI CDB */
u_int caps; /* Device and host SATA caps. */
#define CTS_SATA_CAPS_H 0x0000ffff
#define CTS_SATA_CAPS_H_PMREQ 0x00000001
#define CTS_SATA_CAPS_H_APST 0x00000002
#define CTS_SATA_CAPS_H_DMAAA 0x00000010 /* Auto-activation */
#define CTS_SATA_CAPS_H_AN 0x00000020 /* Async. notification */
#define CTS_SATA_CAPS_D 0xffff0000
#define CTS_SATA_CAPS_D_PMREQ 0x00010000
#define CTS_SATA_CAPS_D_APST 0x00020000
};
/* Get/Set transfer rate/width/disconnection/tag queueing settings */
struct ccb_trans_settings {
struct ccb_hdr ccb_h;
cts_type type; /* Current or User settings */
cam_proto protocol;
u_int protocol_version;
cam_xport transport;
u_int transport_version;
union {
u_int valid; /* Which fields to honor */
struct ccb_trans_settings_scsi scsi;
} proto_specific;
union {
u_int valid; /* Which fields to honor */
struct ccb_trans_settings_spi spi;
struct ccb_trans_settings_fc fc;
struct ccb_trans_settings_sas sas;
struct ccb_trans_settings_ata ata;
struct ccb_trans_settings_sata sata;
} xport_specific;
};
/*
* Calculate the geometry parameters for a device
* give the block size and volume size in blocks.
*/
struct ccb_calc_geometry {
struct ccb_hdr ccb_h;
u_int32_t block_size;
u_int64_t volume_size;
u_int32_t cylinders;
u_int8_t heads;
u_int8_t secs_per_track;
};
/*
* Set or get SIM (and transport) specific knobs
*/
#define KNOB_VALID_ADDRESS 0x1
#define KNOB_VALID_ROLE 0x2
#define KNOB_ROLE_NONE 0x0
#define KNOB_ROLE_INITIATOR 0x1
#define KNOB_ROLE_TARGET 0x2
#define KNOB_ROLE_BOTH 0x3
struct ccb_sim_knob_settings_spi {
u_int valid;
u_int initiator_id;
u_int role;
};
struct ccb_sim_knob_settings_fc {
u_int valid;
u_int64_t wwnn; /* world wide node name */
u_int64_t wwpn; /* world wide port name */
u_int role;
};
struct ccb_sim_knob_settings_sas {
u_int valid;
u_int64_t wwnn; /* world wide node name */
u_int role;
};
#define KNOB_SETTINGS_SIZE 128
struct ccb_sim_knob {
struct ccb_hdr ccb_h;
union {
u_int valid; /* Which fields to honor */
struct ccb_sim_knob_settings_spi spi;
struct ccb_sim_knob_settings_fc fc;
struct ccb_sim_knob_settings_sas sas;
char pad[KNOB_SETTINGS_SIZE];
} xport_specific;
};
/*
* Rescan the given bus, or bus/target/lun
*/
struct ccb_rescan {
struct ccb_hdr ccb_h;
cam_flags flags;
};
/*
* Turn on debugging for the given bus, bus/target, or bus/target/lun.
*/
struct ccb_debug {
struct ccb_hdr ccb_h;
cam_debug_flags flags;
};
/* Target mode structures. */
struct ccb_en_lun {
struct ccb_hdr ccb_h;
u_int16_t grp6_len; /* Group 6 VU CDB length */
u_int16_t grp7_len; /* Group 7 VU CDB length */
u_int8_t enable;
};
/* old, barely used immediate notify, binary compatibility */
struct ccb_immed_notify {
struct ccb_hdr ccb_h;
struct scsi_sense_data sense_data;
u_int8_t sense_len; /* Number of bytes in sense buffer */
u_int8_t initiator_id; /* Id of initiator that selected */
u_int8_t message_args[7]; /* Message Arguments */
};
struct ccb_notify_ack {
struct ccb_hdr ccb_h;
u_int16_t seq_id; /* Sequence identifier */
u_int8_t event; /* Event flags */
};
struct ccb_immediate_notify {
struct ccb_hdr ccb_h;
u_int tag_id; /* Tag for immediate notify */
u_int seq_id; /* Tag for target of notify */
u_int initiator_id; /* Initiator Identifier */
u_int arg; /* Function specific */
};
struct ccb_notify_acknowledge {
struct ccb_hdr ccb_h;
u_int tag_id; /* Tag for immediate notify */
u_int seq_id; /* Tar for target of notify */
u_int initiator_id; /* Initiator Identifier */
u_int arg; /* Function specific */
};
/* HBA engine structures. */
typedef enum {
EIT_BUFFER, /* Engine type: buffer memory */
EIT_LOSSLESS, /* Engine type: lossless compression */
EIT_LOSSY, /* Engine type: lossy compression */
EIT_ENCRYPT /* Engine type: encryption */
} ei_type;
typedef enum {
EAD_VUNIQUE, /* Engine algorithm ID: vendor unique */
EAD_LZ1V1, /* Engine algorithm ID: LZ1 var.1 */
EAD_LZ2V1, /* Engine algorithm ID: LZ2 var.1 */
EAD_LZ2V2 /* Engine algorithm ID: LZ2 var.2 */
} ei_algo;
struct ccb_eng_inq {
struct ccb_hdr ccb_h;
u_int16_t eng_num; /* The engine number for this inquiry */
ei_type eng_type; /* Returned engine type */
ei_algo eng_algo; /* Returned engine algorithm type */
u_int32_t eng_memeory; /* Returned engine memory size */
};
struct ccb_eng_exec { /* This structure must match SCSIIO size */
struct ccb_hdr ccb_h;
u_int8_t *pdrv_ptr; /* Ptr used by the peripheral driver */
u_int8_t *req_map; /* Ptr for mapping info on the req. */
u_int8_t *data_ptr; /* Pointer to the data buf/SG list */
u_int32_t dxfer_len; /* Data transfer length */
u_int8_t *engdata_ptr; /* Pointer to the engine buffer data */
u_int16_t sglist_cnt; /* Num of scatter gather list entries */
u_int32_t dmax_len; /* Destination data maximum length */
u_int32_t dest_len; /* Destination data length */
int32_t src_resid; /* Source residual length: 2's comp */
u_int32_t timeout; /* Timeout value */
u_int16_t eng_num; /* Engine number for this request */
u_int16_t vu_flags; /* Vendor Unique flags */
};
/*
* Definitions for the timeout field in the SCSI I/O CCB.
*/
#define CAM_TIME_DEFAULT 0x00000000 /* Use SIM default value */
#define CAM_TIME_INFINITY 0xFFFFFFFF /* Infinite timeout */
#define CAM_SUCCESS 0 /* For signaling general success */
#define CAM_FAILURE 1 /* For signaling general failure */
#define CAM_FALSE 0
#define CAM_TRUE 1
#define XPT_CCB_INVALID -1 /* for signaling a bad CCB to free */
/*
* CCB for getting advanced device information. This operates in a fashion
* similar to XPT_GDEV_TYPE. Specify the target in ccb_h, the buffer
* type requested, and provide a buffer size/buffer to write to. If the
* buffer is too small, the handler will set GDEVAI_FLAG_MORE.
*/
struct ccb_getdev_advinfo {
struct ccb_hdr ccb_h;
uint32_t flags;
#define CGDAI_FLAG_TRANSPORT 0x1
#define CGDAI_FLAG_PROTO 0x2
uint32_t buftype; /* IN: Type of data being requested */
/* NB: buftype is interpreted on a per-transport basis */
#define CGDAI_TYPE_SCSI_DEVID 1
off_t bufsiz; /* IN: Size of external buffer */
#define CAM_SCSI_DEVID_MAXLEN 65536 /* length in buffer is an uint16_t */
off_t provsiz; /* OUT: Size required/used */
uint8_t *buf; /* IN/OUT: Buffer for requested data */
};
/*
* Union of all CCB types for kernel space allocation. This union should
* never be used for manipulating CCBs - its only use is for the allocation
* and deallocation of raw CCB space and is the return type of xpt_ccb_alloc
* and the argument to xpt_ccb_free.
*/
union ccb {
struct ccb_hdr ccb_h; /* For convenience */
struct ccb_scsiio csio;
struct ccb_getdev cgd;
struct ccb_getdevlist cgdl;
struct ccb_pathinq cpi;
struct ccb_relsim crs;
struct ccb_setasync csa;
struct ccb_setdev csd;
struct ccb_pathstats cpis;
struct ccb_getdevstats cgds;
struct ccb_dev_match cdm;
struct ccb_trans_settings cts;
struct ccb_calc_geometry ccg;
struct ccb_sim_knob knob;
struct ccb_abort cab;
struct ccb_resetbus crb;
struct ccb_resetdev crd;
struct ccb_termio tio;
struct ccb_accept_tio atio;
struct ccb_scsiio ctio;
struct ccb_en_lun cel;
struct ccb_immed_notify cin;
struct ccb_notify_ack cna;
struct ccb_immediate_notify cin1;
struct ccb_notify_acknowledge cna2;
struct ccb_eng_inq cei;
struct ccb_eng_exec cee;
struct ccb_smpio smpio;
struct ccb_rescan crcn;
struct ccb_debug cdbg;
struct ccb_ataio ataio;
struct ccb_getdev_advinfo cgdai;
};
__BEGIN_DECLS
static __inline void
cam_fill_csio(struct ccb_scsiio *csio, u_int32_t retries,
void (*cbfcnp)(struct cam_periph *, union ccb *),
u_int32_t flags, u_int8_t tag_action,
u_int8_t *data_ptr, u_int32_t dxfer_len,
u_int8_t sense_len, u_int8_t cdb_len,
u_int32_t timeout);
static __inline void
cam_fill_ctio(struct ccb_scsiio *csio, u_int32_t retries,
void (*cbfcnp)(struct cam_periph *, union ccb *),
u_int32_t flags, u_int tag_action, u_int tag_id,
u_int init_id, u_int scsi_status, u_int8_t *data_ptr,
u_int32_t dxfer_len, u_int32_t timeout);
static __inline void
cam_fill_ataio(struct ccb_ataio *ataio, u_int32_t retries,
void (*cbfcnp)(struct cam_periph *, union ccb *),
u_int32_t flags, u_int tag_action,
u_int8_t *data_ptr, u_int32_t dxfer_len,
u_int32_t timeout);
static __inline void
cam_fill_smpio(struct ccb_smpio *smpio, uint32_t retries,
void (*cbfcnp)(struct cam_periph *, union ccb *), uint32_t flags,
uint8_t *smp_request, int smp_request_len,
uint8_t *smp_response, int smp_response_len,
uint32_t timeout);
static __inline void
cam_fill_csio(struct ccb_scsiio *csio, u_int32_t retries,
void (*cbfcnp)(struct cam_periph *, union ccb *),
u_int32_t flags, u_int8_t tag_action,
u_int8_t *data_ptr, u_int32_t dxfer_len,
u_int8_t sense_len, u_int8_t cdb_len,
u_int32_t timeout)
{
csio->ccb_h.func_code = XPT_SCSI_IO;
csio->ccb_h.flags = flags;
csio->ccb_h.retry_count = retries;
csio->ccb_h.cbfcnp = cbfcnp;
csio->ccb_h.timeout = timeout;
csio->data_ptr = data_ptr;
csio->dxfer_len = dxfer_len;
csio->sense_len = sense_len;
csio->cdb_len = cdb_len;
csio->tag_action = tag_action;
}
static __inline void
cam_fill_ctio(struct ccb_scsiio *csio, u_int32_t retries,
void (*cbfcnp)(struct cam_periph *, union ccb *),
u_int32_t flags, u_int tag_action, u_int tag_id,
u_int init_id, u_int scsi_status, u_int8_t *data_ptr,
u_int32_t dxfer_len, u_int32_t timeout)
{
csio->ccb_h.func_code = XPT_CONT_TARGET_IO;
csio->ccb_h.flags = flags;
csio->ccb_h.retry_count = retries;
csio->ccb_h.cbfcnp = cbfcnp;
csio->ccb_h.timeout = timeout;
csio->data_ptr = data_ptr;
csio->dxfer_len = dxfer_len;
csio->scsi_status = scsi_status;
csio->tag_action = tag_action;
csio->tag_id = tag_id;
csio->init_id = init_id;
}
static __inline void
cam_fill_ataio(struct ccb_ataio *ataio, u_int32_t retries,
void (*cbfcnp)(struct cam_periph *, union ccb *),
u_int32_t flags, u_int tag_action,
u_int8_t *data_ptr, u_int32_t dxfer_len,
u_int32_t timeout)
{
ataio->ccb_h.func_code = XPT_ATA_IO;
ataio->ccb_h.flags = flags;
ataio->ccb_h.retry_count = retries;
ataio->ccb_h.cbfcnp = cbfcnp;
ataio->ccb_h.timeout = timeout;
ataio->data_ptr = data_ptr;
ataio->dxfer_len = dxfer_len;
ataio->tag_action = tag_action;
}
static __inline void
cam_fill_smpio(struct ccb_smpio *smpio, uint32_t retries,
void (*cbfcnp)(struct cam_periph *, union ccb *), uint32_t flags,
uint8_t *smp_request, int smp_request_len,
uint8_t *smp_response, int smp_response_len,
uint32_t timeout)
{
#ifdef _KERNEL
KASSERT((flags & CAM_DIR_MASK) == CAM_DIR_BOTH,
("direction != CAM_DIR_BOTH"));
KASSERT((smp_request != NULL) && (smp_response != NULL),
("need valid request and response buffers"));
KASSERT((smp_request_len != 0) && (smp_response_len != 0),
("need non-zero request and response lengths"));
#endif /*_KERNEL*/
smpio->ccb_h.func_code = XPT_SMP_IO;
smpio->ccb_h.flags = flags;
smpio->ccb_h.retry_count = retries;
smpio->ccb_h.cbfcnp = cbfcnp;
smpio->ccb_h.timeout = timeout;
smpio->smp_request = smp_request;
smpio->smp_request_len = smp_request_len;
smpio->smp_response = smp_response;
smpio->smp_response_len = smp_response_len;
}
void cam_calc_geometry(struct ccb_calc_geometry *ccg, int extended);
__END_DECLS
#endif /* _CAM_CAM_CCB_H */
|