hpsa: generalize external arrays
[firefly-linux-kernel-4.4.55.git] / drivers / scsi / hpsa_cmd.h
1 /*
2  *    Disk Array driver for HP Smart Array SAS controllers
3  *    Copyright 2014-2015 PMC-Sierra, Inc.
4  *    Copyright 2000,2009-2015 Hewlett-Packard Development Company, L.P.
5  *
6  *    This program is free software; you can redistribute it and/or modify
7  *    it under the terms of the GNU General Public License as published by
8  *    the Free Software Foundation; version 2 of the License.
9  *
10  *    This program is distributed in the hope that it will be useful,
11  *    but WITHOUT ANY WARRANTY; without even the implied warranty of
12  *    MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE, GOOD TITLE or
13  *    NON INFRINGEMENT.  See the GNU General Public License for more details.
14  *
15  *    Questions/Comments/Bugfixes to storagedev@pmcs.com
16  *
17  */
18 #ifndef HPSA_CMD_H
19 #define HPSA_CMD_H
20
21 /* general boundary defintions */
22 #define SENSEINFOBYTES          32 /* may vary between hbas */
23 #define SG_ENTRIES_IN_CMD       32 /* Max SG entries excluding chain blocks */
24 #define HPSA_SG_CHAIN           0x80000000
25 #define HPSA_SG_LAST            0x40000000
26 #define MAXREPLYQS              256
27
28 /* Command Status value */
29 #define CMD_SUCCESS             0x0000
30 #define CMD_TARGET_STATUS       0x0001
31 #define CMD_DATA_UNDERRUN       0x0002
32 #define CMD_DATA_OVERRUN        0x0003
33 #define CMD_INVALID             0x0004
34 #define CMD_PROTOCOL_ERR        0x0005
35 #define CMD_HARDWARE_ERR        0x0006
36 #define CMD_CONNECTION_LOST     0x0007
37 #define CMD_ABORTED             0x0008
38 #define CMD_ABORT_FAILED        0x0009
39 #define CMD_UNSOLICITED_ABORT   0x000A
40 #define CMD_TIMEOUT             0x000B
41 #define CMD_UNABORTABLE         0x000C
42 #define CMD_TMF_STATUS          0x000D
43 #define CMD_IOACCEL_DISABLED    0x000E
44 #define CMD_CTLR_LOCKUP         0xffff
45 /* Note: CMD_CTLR_LOCKUP is not a value defined by the CISS spec
46  * it is a value defined by the driver that commands can be marked
47  * with when a controller lockup has been detected by the driver
48  */
49
50 /* TMF function status values */
51 #define CISS_TMF_COMPLETE       0x00
52 #define CISS_TMF_INVALID_FRAME  0x02
53 #define CISS_TMF_NOT_SUPPORTED  0x04
54 #define CISS_TMF_FAILED         0x05
55 #define CISS_TMF_SUCCESS        0x08
56 #define CISS_TMF_WRONG_LUN      0x09
57 #define CISS_TMF_OVERLAPPED_TAG 0x0a
58
59 /* Unit Attentions ASC's as defined for the MSA2012sa */
60 #define POWER_OR_RESET                  0x29
61 #define STATE_CHANGED                   0x2a
62 #define UNIT_ATTENTION_CLEARED          0x2f
63 #define LUN_FAILED                      0x3e
64 #define REPORT_LUNS_CHANGED             0x3f
65
66 /* Unit Attentions ASCQ's as defined for the MSA2012sa */
67
68         /* These ASCQ's defined for ASC = POWER_OR_RESET */
69 #define POWER_ON_RESET                  0x00
70 #define POWER_ON_REBOOT                 0x01
71 #define SCSI_BUS_RESET                  0x02
72 #define MSA_TARGET_RESET                0x03
73 #define CONTROLLER_FAILOVER             0x04
74 #define TRANSCEIVER_SE                  0x05
75 #define TRANSCEIVER_LVD                 0x06
76
77         /* These ASCQ's defined for ASC = STATE_CHANGED */
78 #define RESERVATION_PREEMPTED           0x03
79 #define ASYM_ACCESS_CHANGED             0x06
80 #define LUN_CAPACITY_CHANGED            0x09
81
82 /* transfer direction */
83 #define XFER_NONE               0x00
84 #define XFER_WRITE              0x01
85 #define XFER_READ               0x02
86 #define XFER_RSVD               0x03
87
88 /* task attribute */
89 #define ATTR_UNTAGGED           0x00
90 #define ATTR_SIMPLE             0x04
91 #define ATTR_HEADOFQUEUE        0x05
92 #define ATTR_ORDERED            0x06
93 #define ATTR_ACA                0x07
94
95 /* cdb type */
96 #define TYPE_CMD                0x00
97 #define TYPE_MSG                0x01
98 #define TYPE_IOACCEL2_CMD       0x81 /* 0x81 is not used by hardware */
99
100 /* Message Types  */
101 #define HPSA_TASK_MANAGEMENT    0x00
102 #define HPSA_RESET              0x01
103 #define HPSA_SCAN               0x02
104 #define HPSA_NOOP               0x03
105
106 #define HPSA_CTLR_RESET_TYPE    0x00
107 #define HPSA_BUS_RESET_TYPE     0x01
108 #define HPSA_TARGET_RESET_TYPE  0x03
109 #define HPSA_LUN_RESET_TYPE     0x04
110 #define HPSA_NEXUS_RESET_TYPE   0x05
111
112 /* Task Management Functions */
113 #define HPSA_TMF_ABORT_TASK     0x00
114 #define HPSA_TMF_ABORT_TASK_SET 0x01
115 #define HPSA_TMF_CLEAR_ACA      0x02
116 #define HPSA_TMF_CLEAR_TASK_SET 0x03
117 #define HPSA_TMF_QUERY_TASK     0x04
118 #define HPSA_TMF_QUERY_TASK_SET 0x05
119 #define HPSA_TMF_QUERY_ASYNCEVENT 0x06
120
121
122
123 /* config space register offsets */
124 #define CFG_VENDORID            0x00
125 #define CFG_DEVICEID            0x02
126 #define CFG_I2OBAR              0x10
127 #define CFG_MEM1BAR             0x14
128
129 /* i2o space register offsets */
130 #define I2O_IBDB_SET            0x20
131 #define I2O_IBDB_CLEAR          0x70
132 #define I2O_INT_STATUS          0x30
133 #define I2O_INT_MASK            0x34
134 #define I2O_IBPOST_Q            0x40
135 #define I2O_OBPOST_Q            0x44
136 #define I2O_DMA1_CFG            0x214
137
138 /* Configuration Table */
139 #define CFGTBL_ChangeReq        0x00000001l
140 #define CFGTBL_AccCmds          0x00000001l
141 #define DOORBELL_CTLR_RESET     0x00000004l
142 #define DOORBELL_CTLR_RESET2    0x00000020l
143 #define DOORBELL_CLEAR_EVENTS   0x00000040l
144
145 #define CFGTBL_Trans_Simple     0x00000002l
146 #define CFGTBL_Trans_Performant 0x00000004l
147 #define CFGTBL_Trans_io_accel1  0x00000080l
148 #define CFGTBL_Trans_io_accel2  0x00000100l
149 #define CFGTBL_Trans_use_short_tags 0x20000000l
150 #define CFGTBL_Trans_enable_directed_msix (1 << 30)
151
152 #define CFGTBL_BusType_Ultra2   0x00000001l
153 #define CFGTBL_BusType_Ultra3   0x00000002l
154 #define CFGTBL_BusType_Fibre1G  0x00000100l
155 #define CFGTBL_BusType_Fibre2G  0x00000200l
156
157 /* VPD Inquiry types */
158 #define HPSA_VPD_SUPPORTED_PAGES        0x00
159 #define HPSA_VPD_LV_DEVICE_GEOMETRY     0xC1
160 #define HPSA_VPD_LV_IOACCEL_STATUS      0xC2
161 #define HPSA_VPD_LV_STATUS              0xC3
162 #define HPSA_VPD_HEADER_SZ              4
163
164 /* Logical volume states */
165 #define HPSA_VPD_LV_STATUS_UNSUPPORTED                  0xff
166 #define HPSA_LV_OK                                      0x0
167 #define HPSA_LV_NOT_AVAILABLE                           0x0b
168 #define HPSA_LV_UNDERGOING_ERASE                        0x0F
169 #define HPSA_LV_UNDERGOING_RPI                          0x12
170 #define HPSA_LV_PENDING_RPI                             0x13
171 #define HPSA_LV_ENCRYPTED_NO_KEY                        0x14
172 #define HPSA_LV_PLAINTEXT_IN_ENCRYPT_ONLY_CONTROLLER    0x15
173 #define HPSA_LV_UNDERGOING_ENCRYPTION                   0x16
174 #define HPSA_LV_UNDERGOING_ENCRYPTION_REKEYING          0x17
175 #define HPSA_LV_ENCRYPTED_IN_NON_ENCRYPTED_CONTROLLER   0x18
176 #define HPSA_LV_PENDING_ENCRYPTION                      0x19
177 #define HPSA_LV_PENDING_ENCRYPTION_REKEYING             0x1A
178
179 struct vals32 {
180         u32   lower;
181         u32   upper;
182 };
183
184 union u64bit {
185         struct vals32 val32;
186         u64 val;
187 };
188
189 /* FIXME this is a per controller value (barf!) */
190 #define HPSA_MAX_LUN 1024
191 #define HPSA_MAX_PHYS_LUN 1024
192 #define MAX_EXT_TARGETS 32
193 #define HPSA_MAX_DEVICES (HPSA_MAX_PHYS_LUN + HPSA_MAX_LUN + \
194         MAX_EXT_TARGETS + 1) /* + 1 is for the controller itself */
195
196 /* SCSI-3 Commands */
197 #pragma pack(1)
198
199 #define HPSA_INQUIRY 0x12
200 struct InquiryData {
201         u8 data_byte[36];
202 };
203
204 #define HPSA_REPORT_LOG 0xc2    /* Report Logical LUNs */
205 #define HPSA_REPORT_PHYS 0xc3   /* Report Physical LUNs */
206 #define HPSA_REPORT_PHYS_EXTENDED 0x02
207 #define HPSA_CISS_READ  0xc0    /* CISS Read */
208 #define HPSA_GET_RAID_MAP 0xc8  /* CISS Get RAID Layout Map */
209
210 #define RAID_MAP_MAX_ENTRIES   256
211
212 struct raid_map_disk_data {
213         u32   ioaccel_handle;         /**< Handle to access this disk via the
214                                         *  I/O accelerator */
215         u8    xor_mult[2];            /**< XOR multipliers for this position,
216                                         *  valid for data disks only */
217         u8    reserved[2];
218 };
219
220 struct raid_map_data {
221         __le32   structure_size;        /* Size of entire structure in bytes */
222         __le32   volume_blk_size;       /* bytes / block in the volume */
223         __le64   volume_blk_cnt;        /* logical blocks on the volume */
224         u8    phys_blk_shift;           /* Shift factor to convert between
225                                          * units of logical blocks and physical
226                                          * disk blocks */
227         u8    parity_rotation_shift;    /* Shift factor to convert between units
228                                          * of logical stripes and physical
229                                          * stripes */
230         __le16   strip_size;            /* blocks used on each disk / stripe */
231         __le64   disk_starting_blk;     /* First disk block used in volume */
232         __le64   disk_blk_cnt;          /* disk blocks used by volume / disk */
233         __le16   data_disks_per_row;    /* data disk entries / row in the map */
234         __le16   metadata_disks_per_row;/* mirror/parity disk entries / row
235                                          * in the map */
236         __le16   row_cnt;               /* rows in each layout map */
237         __le16   layout_map_count;      /* layout maps (1 map per mirror/parity
238                                          * group) */
239         __le16   flags;                 /* Bit 0 set if encryption enabled */
240 #define RAID_MAP_FLAG_ENCRYPT_ON  0x01
241         __le16   dekindex;              /* Data encryption key index. */
242         u8    reserved[16];
243         struct raid_map_disk_data data[RAID_MAP_MAX_ENTRIES];
244 };
245
246 struct ReportLUNdata {
247         u8 LUNListLength[4];
248         u8 extended_response_flag;
249         u8 reserved[3];
250         u8 LUN[HPSA_MAX_LUN][8];
251 };
252
253 struct ext_report_lun_entry {
254         u8 lunid[8];
255 #define MASKED_DEVICE(x) ((x)[3] & 0xC0)
256 #define GET_BMIC_BUS(lunid) ((lunid)[7] & 0x3F)
257 #define GET_BMIC_LEVEL_TWO_TARGET(lunid) ((lunid)[6])
258 #define GET_BMIC_DRIVE_NUMBER(lunid) (((GET_BMIC_BUS((lunid)) - 1) << 8) + \
259                         GET_BMIC_LEVEL_TWO_TARGET((lunid)))
260         u8 wwid[8];
261         u8 device_type;
262         u8 device_flags;
263         u8 lun_count; /* multi-lun device, how many luns */
264         u8 redundant_paths;
265         u32 ioaccel_handle; /* ioaccel1 only uses lower 16 bits */
266 };
267
268 struct ReportExtendedLUNdata {
269         u8 LUNListLength[4];
270         u8 extended_response_flag;
271         u8 reserved[3];
272         struct ext_report_lun_entry LUN[HPSA_MAX_PHYS_LUN];
273 };
274
275 struct SenseSubsystem_info {
276         u8 reserved[36];
277         u8 portname[8];
278         u8 reserved1[1108];
279 };
280
281 /* BMIC commands */
282 #define BMIC_READ 0x26
283 #define BMIC_WRITE 0x27
284 #define BMIC_CACHE_FLUSH 0xc2
285 #define HPSA_CACHE_FLUSH 0x01   /* C2 was already being used by HPSA */
286 #define BMIC_FLASH_FIRMWARE 0xF7
287 #define BMIC_SENSE_CONTROLLER_PARAMETERS 0x64
288 #define BMIC_IDENTIFY_PHYSICAL_DEVICE 0x15
289 #define BMIC_IDENTIFY_CONTROLLER 0x11
290
291 /* Command List Structure */
292 union SCSI3Addr {
293         struct {
294                 u8 Dev;
295                 u8 Bus:6;
296                 u8 Mode:2;        /* b00 */
297         } PeripDev;
298         struct {
299                 u8 DevLSB;
300                 u8 DevMSB:6;
301                 u8 Mode:2;        /* b01 */
302         } LogDev;
303         struct {
304                 u8 Dev:5;
305                 u8 Bus:3;
306                 u8 Targ:6;
307                 u8 Mode:2;        /* b10 */
308         } LogUnit;
309 };
310
311 struct PhysDevAddr {
312         u32             TargetId:24;
313         u32             Bus:6;
314         u32             Mode:2;
315         /* 2 level target device addr */
316         union SCSI3Addr  Target[2];
317 };
318
319 struct LogDevAddr {
320         u32            VolId:30;
321         u32            Mode:2;
322         u8             reserved[4];
323 };
324
325 union LUNAddr {
326         u8               LunAddrBytes[8];
327         union SCSI3Addr    SCSI3Lun[4];
328         struct PhysDevAddr PhysDev;
329         struct LogDevAddr  LogDev;
330 };
331
332 struct CommandListHeader {
333         u8              ReplyQueue;
334         u8              SGList;
335         __le16          SGTotal;
336         __le64          tag;
337         union LUNAddr     LUN;
338 };
339
340 struct RequestBlock {
341         u8   CDBLen;
342         /*
343          * type_attr_dir:
344          * type: low 3 bits
345          * attr: middle 3 bits
346          * dir: high 2 bits
347          */
348         u8      type_attr_dir;
349 #define TYPE_ATTR_DIR(t, a, d) ((((d) & 0x03) << 6) |\
350                                 (((a) & 0x07) << 3) |\
351                                 ((t) & 0x07))
352 #define GET_TYPE(tad) ((tad) & 0x07)
353 #define GET_ATTR(tad) (((tad) >> 3) & 0x07)
354 #define GET_DIR(tad) (((tad) >> 6) & 0x03)
355         u16  Timeout;
356         u8   CDB[16];
357 };
358
359 struct ErrDescriptor {
360         __le64 Addr;
361         __le32 Len;
362 };
363
364 struct SGDescriptor {
365         __le64 Addr;
366         __le32 Len;
367         __le32 Ext;
368 };
369
370 union MoreErrInfo {
371         struct {
372                 u8  Reserved[3];
373                 u8  Type;
374                 u32 ErrorInfo;
375         } Common_Info;
376         struct {
377                 u8  Reserved[2];
378                 u8  offense_size; /* size of offending entry */
379                 u8  offense_num;  /* byte # of offense 0-base */
380                 u32 offense_value;
381         } Invalid_Cmd;
382 };
383 struct ErrorInfo {
384         u8               ScsiStatus;
385         u8               SenseLen;
386         u16              CommandStatus;
387         u32              ResidualCnt;
388         union MoreErrInfo  MoreErrInfo;
389         u8               SenseInfo[SENSEINFOBYTES];
390 };
391 /* Command types */
392 #define CMD_IOCTL_PEND  0x01
393 #define CMD_SCSI        0x03
394 #define CMD_IOACCEL1    0x04
395 #define CMD_IOACCEL2    0x05
396 #define IOACCEL2_TMF    0x06
397
398 #define DIRECT_LOOKUP_SHIFT 4
399 #define DIRECT_LOOKUP_MASK (~((1 << DIRECT_LOOKUP_SHIFT) - 1))
400
401 #define HPSA_ERROR_BIT          0x02
402 struct ctlr_info; /* defined in hpsa.h */
403 /* The size of this structure needs to be divisible by 128
404  * on all architectures.  The low 4 bits of the addresses
405  * are used as follows:
406  *
407  * bit 0: to device, used to indicate "performant mode" command
408  *        from device, indidcates error status.
409  * bit 1-3: to device, indicates block fetch table entry for
410  *          reducing DMA in fetching commands from host memory.
411  */
412
413 #define COMMANDLIST_ALIGNMENT 128
414 struct CommandList {
415         struct CommandListHeader Header;
416         struct RequestBlock      Request;
417         struct ErrDescriptor     ErrDesc;
418         struct SGDescriptor      SG[SG_ENTRIES_IN_CMD];
419         /* information associated with the command */
420         u32                        busaddr; /* physical addr of this record */
421         struct ErrorInfo *err_info; /* pointer to the allocated mem */
422         struct ctlr_info           *h;
423         int                        cmd_type;
424         long                       cmdindex;
425         struct completion *waiting;
426         struct scsi_cmnd *scsi_cmd;
427         struct work_struct work;
428
429         /*
430          * For commands using either of the two "ioaccel" paths to
431          * bypass the RAID stack and go directly to the physical disk
432          * phys_disk is a pointer to the hpsa_scsi_dev_t to which the
433          * i/o is destined.  We need to store that here because the command
434          * may potentially encounter TASK SET FULL and need to be resubmitted
435          * For "normal" i/o's not using the "ioaccel" paths, phys_disk is
436          * not used.
437          */
438         struct hpsa_scsi_dev_t *phys_disk;
439
440         int abort_pending;
441         struct hpsa_scsi_dev_t *reset_pending;
442         atomic_t refcount; /* Must be last to avoid memset in hpsa_cmd_init() */
443 } __aligned(COMMANDLIST_ALIGNMENT);
444
445 /* Max S/G elements in I/O accelerator command */
446 #define IOACCEL1_MAXSGENTRIES           24
447 #define IOACCEL2_MAXSGENTRIES           28
448
449 /*
450  * Structure for I/O accelerator (mode 1) commands.
451  * Note that this structure must be 128-byte aligned in size.
452  */
453 #define IOACCEL1_COMMANDLIST_ALIGNMENT 128
454 struct io_accel1_cmd {
455         __le16 dev_handle;              /* 0x00 - 0x01 */
456         u8  reserved1;                  /* 0x02 */
457         u8  function;                   /* 0x03 */
458         u8  reserved2[8];               /* 0x04 - 0x0B */
459         u32 err_info;                   /* 0x0C - 0x0F */
460         u8  reserved3[2];               /* 0x10 - 0x11 */
461         u8  err_info_len;               /* 0x12 */
462         u8  reserved4;                  /* 0x13 */
463         u8  sgl_offset;                 /* 0x14 */
464         u8  reserved5[7];               /* 0x15 - 0x1B */
465         __le32 transfer_len;            /* 0x1C - 0x1F */
466         u8  reserved6[4];               /* 0x20 - 0x23 */
467         __le16 io_flags;                /* 0x24 - 0x25 */
468         u8  reserved7[14];              /* 0x26 - 0x33 */
469         u8  LUN[8];                     /* 0x34 - 0x3B */
470         __le32 control;                 /* 0x3C - 0x3F */
471         u8  CDB[16];                    /* 0x40 - 0x4F */
472         u8  reserved8[16];              /* 0x50 - 0x5F */
473         __le16 host_context_flags;      /* 0x60 - 0x61 */
474         __le16 timeout_sec;             /* 0x62 - 0x63 */
475         u8  ReplyQueue;                 /* 0x64 */
476         u8  reserved9[3];               /* 0x65 - 0x67 */
477         __le64 tag;                     /* 0x68 - 0x6F */
478         __le64 host_addr;               /* 0x70 - 0x77 */
479         u8  CISS_LUN[8];                /* 0x78 - 0x7F */
480         struct SGDescriptor SG[IOACCEL1_MAXSGENTRIES];
481 } __aligned(IOACCEL1_COMMANDLIST_ALIGNMENT);
482
483 #define IOACCEL1_FUNCTION_SCSIIO        0x00
484 #define IOACCEL1_SGLOFFSET              32
485
486 #define IOACCEL1_IOFLAGS_IO_REQ         0x4000
487 #define IOACCEL1_IOFLAGS_CDBLEN_MASK    0x001F
488 #define IOACCEL1_IOFLAGS_CDBLEN_MAX     16
489
490 #define IOACCEL1_CONTROL_NODATAXFER     0x00000000
491 #define IOACCEL1_CONTROL_DATA_OUT       0x01000000
492 #define IOACCEL1_CONTROL_DATA_IN        0x02000000
493 #define IOACCEL1_CONTROL_TASKPRIO_MASK  0x00007800
494 #define IOACCEL1_CONTROL_TASKPRIO_SHIFT 11
495 #define IOACCEL1_CONTROL_SIMPLEQUEUE    0x00000000
496 #define IOACCEL1_CONTROL_HEADOFQUEUE    0x00000100
497 #define IOACCEL1_CONTROL_ORDEREDQUEUE   0x00000200
498 #define IOACCEL1_CONTROL_ACA            0x00000400
499
500 #define IOACCEL1_HCFLAGS_CISS_FORMAT    0x0013
501
502 #define IOACCEL1_BUSADDR_CMDTYPE        0x00000060
503
504 struct ioaccel2_sg_element {
505         __le64 address;
506         __le32 length;
507         u8 reserved[3];
508         u8 chain_indicator;
509 #define IOACCEL2_CHAIN 0x80
510 };
511
512 /*
513  * SCSI Response Format structure for IO Accelerator Mode 2
514  */
515 struct io_accel2_scsi_response {
516         u8 IU_type;
517 #define IOACCEL2_IU_TYPE_SRF                    0x60
518         u8 reserved1[3];
519         u8 req_id[4];           /* request identifier */
520         u8 reserved2[4];
521         u8 serv_response;               /* service response */
522 #define IOACCEL2_SERV_RESPONSE_COMPLETE         0x000
523 #define IOACCEL2_SERV_RESPONSE_FAILURE          0x001
524 #define IOACCEL2_SERV_RESPONSE_TMF_COMPLETE     0x002
525 #define IOACCEL2_SERV_RESPONSE_TMF_SUCCESS      0x003
526 #define IOACCEL2_SERV_RESPONSE_TMF_REJECTED     0x004
527 #define IOACCEL2_SERV_RESPONSE_TMF_WRONG_LUN    0x005
528         u8 status;                      /* status */
529 #define IOACCEL2_STATUS_SR_TASK_COMP_GOOD       0x00
530 #define IOACCEL2_STATUS_SR_TASK_COMP_CHK_COND   0x02
531 #define IOACCEL2_STATUS_SR_TASK_COMP_BUSY       0x08
532 #define IOACCEL2_STATUS_SR_TASK_COMP_RES_CON    0x18
533 #define IOACCEL2_STATUS_SR_TASK_COMP_SET_FULL   0x28
534 #define IOACCEL2_STATUS_SR_TASK_COMP_ABORTED    0x40
535 #define IOACCEL2_STATUS_SR_IOACCEL_DISABLED     0x0E
536 #define IOACCEL2_STATUS_SR_IO_ERROR             0x01
537 #define IOACCEL2_STATUS_SR_IO_ABORTED           0x02
538 #define IOACCEL2_STATUS_SR_NO_PATH_TO_DEVICE    0x03
539 #define IOACCEL2_STATUS_SR_INVALID_DEVICE       0x04
540 #define IOACCEL2_STATUS_SR_UNDERRUN             0x51
541 #define IOACCEL2_STATUS_SR_OVERRUN              0x75
542         u8 data_present;                /* low 2 bits */
543 #define IOACCEL2_NO_DATAPRESENT         0x000
544 #define IOACCEL2_RESPONSE_DATAPRESENT   0x001
545 #define IOACCEL2_SENSE_DATA_PRESENT     0x002
546 #define IOACCEL2_RESERVED               0x003
547         u8 sense_data_len;              /* sense/response data length */
548         u8 resid_cnt[4];                /* residual count */
549         u8 sense_data_buff[32];         /* sense/response data buffer */
550 };
551
552 /*
553  * Structure for I/O accelerator (mode 2 or m2) commands.
554  * Note that this structure must be 128-byte aligned in size.
555  */
556 #define IOACCEL2_COMMANDLIST_ALIGNMENT 128
557 struct io_accel2_cmd {
558         u8  IU_type;                    /* IU Type */
559         u8  direction;                  /* direction, memtype, and encryption */
560 #define IOACCEL2_DIRECTION_MASK         0x03 /* bits 0,1: direction  */
561 #define IOACCEL2_DIRECTION_MEMTYPE_MASK 0x04 /* bit 2: memtype source/dest */
562                                              /*     0b=PCIe, 1b=DDR */
563 #define IOACCEL2_DIRECTION_ENCRYPT_MASK 0x08 /* bit 3: encryption flag */
564                                              /*     0=off, 1=on */
565         u8  reply_queue;                /* Reply Queue ID */
566         u8  reserved1;                  /* Reserved */
567         __le32 scsi_nexus;              /* Device Handle */
568         __le32 Tag;                     /* cciss tag, lower 4 bytes only */
569         __le32 tweak_lower;             /* Encryption tweak, lower 4 bytes */
570         u8  cdb[16];                    /* SCSI Command Descriptor Block */
571         u8  cciss_lun[8];               /* 8 byte SCSI address */
572         __le32 data_len;                /* Total bytes to transfer */
573         u8  cmd_priority_task_attr;     /* priority and task attrs */
574 #define IOACCEL2_PRIORITY_MASK 0x78
575 #define IOACCEL2_ATTR_MASK 0x07
576         u8  sg_count;                   /* Number of sg elements */
577         __le16 dekindex;                /* Data encryption key index */
578         __le64 err_ptr;                 /* Error Pointer */
579         __le32 err_len;                 /* Error Length*/
580         __le32 tweak_upper;             /* Encryption tweak, upper 4 bytes */
581         struct ioaccel2_sg_element sg[IOACCEL2_MAXSGENTRIES];
582         struct io_accel2_scsi_response error_data;
583 } __aligned(IOACCEL2_COMMANDLIST_ALIGNMENT);
584
585 /*
586  * defines for Mode 2 command struct
587  * FIXME: this can't be all I need mfm
588  */
589 #define IOACCEL2_IU_TYPE        0x40
590 #define IOACCEL2_IU_TMF_TYPE    0x41
591 #define IOACCEL2_DIR_NO_DATA    0x00
592 #define IOACCEL2_DIR_DATA_IN    0x01
593 #define IOACCEL2_DIR_DATA_OUT   0x02
594 #define IOACCEL2_TMF_ABORT      0x01
595 /*
596  * SCSI Task Management Request format for Accelerator Mode 2
597  */
598 struct hpsa_tmf_struct {
599         u8 iu_type;             /* Information Unit Type */
600         u8 reply_queue;         /* Reply Queue ID */
601         u8 tmf;                 /* Task Management Function */
602         u8 reserved1;           /* byte 3 Reserved */
603         __le32 it_nexus;        /* SCSI I-T Nexus */
604         u8 lun_id[8];           /* LUN ID for TMF request */
605         __le64 tag;             /* cciss tag associated w/ request */
606         __le64 abort_tag;       /* cciss tag of SCSI cmd or TMF to abort */
607         __le64 error_ptr;               /* Error Pointer */
608         __le32 error_len;               /* Error Length */
609 } __aligned(IOACCEL2_COMMANDLIST_ALIGNMENT);
610
611 /* Configuration Table Structure */
612 struct HostWrite {
613         __le32          TransportRequest;
614         __le32          command_pool_addr_hi;
615         __le32          CoalIntDelay;
616         __le32          CoalIntCount;
617 };
618
619 #define SIMPLE_MODE     0x02
620 #define PERFORMANT_MODE 0x04
621 #define MEMQ_MODE       0x08
622 #define IOACCEL_MODE_1  0x80
623
624 #define DRIVER_SUPPORT_UA_ENABLE        0x00000001
625
626 struct CfgTable {
627         u8              Signature[4];
628         __le32          SpecValence;
629         __le32          TransportSupport;
630         __le32          TransportActive;
631         struct HostWrite HostWrite;
632         __le32          CmdsOutMax;
633         __le32          BusTypes;
634         __le32          TransMethodOffset;
635         u8              ServerName[16];
636         __le32          HeartBeat;
637         __le32          driver_support;
638 #define                 ENABLE_SCSI_PREFETCH            0x100
639 #define                 ENABLE_UNIT_ATTN                0x01
640         __le32          MaxScatterGatherElements;
641         __le32          MaxLogicalUnits;
642         __le32          MaxPhysicalDevices;
643         __le32          MaxPhysicalDrivesPerLogicalUnit;
644         __le32          MaxPerformantModeCommands;
645         __le32          MaxBlockFetch;
646         __le32          PowerConservationSupport;
647         __le32          PowerConservationEnable;
648         __le32          TMFSupportFlags;
649         u8              TMFTagMask[8];
650         u8              reserved[0x78 - 0x70];
651         __le32          misc_fw_support;                /* offset 0x78 */
652 #define                 MISC_FW_DOORBELL_RESET          0x02
653 #define                 MISC_FW_DOORBELL_RESET2         0x010
654 #define                 MISC_FW_RAID_OFFLOAD_BASIC      0x020
655 #define                 MISC_FW_EVENT_NOTIFY            0x080
656         u8              driver_version[32];
657         __le32          max_cached_write_size;
658         u8              driver_scratchpad[16];
659         __le32          max_error_info_length;
660         __le32          io_accel_max_embedded_sg_count;
661         __le32          io_accel_request_size_offset;
662         __le32          event_notify;
663 #define         HPSA_EVENT_NOTIFY_ACCEL_IO_PATH_STATE_CHANGE (1 << 30)
664 #define         HPSA_EVENT_NOTIFY_ACCEL_IO_PATH_CONFIG_CHANGE (1 << 31)
665         __le32          clear_event_notify;
666 };
667
668 #define NUM_BLOCKFETCH_ENTRIES 8
669 struct TransTable_struct {
670         __le32          BlockFetch[NUM_BLOCKFETCH_ENTRIES];
671         __le32          RepQSize;
672         __le32          RepQCount;
673         __le32          RepQCtrAddrLow32;
674         __le32          RepQCtrAddrHigh32;
675 #define MAX_REPLY_QUEUES 64
676         struct vals32  RepQAddr[MAX_REPLY_QUEUES];
677 };
678
679 struct hpsa_pci_info {
680         unsigned char   bus;
681         unsigned char   dev_fn;
682         unsigned short  domain;
683         u32             board_id;
684 };
685
686 struct bmic_identify_controller {
687         u8      configured_logical_drive_count; /* offset 0 */
688         u8      pad1[153];
689         __le16  extended_logical_unit_count;    /* offset 154 */
690         u8      pad2[136];
691         u8      controller_mode;        /* offset 292 */
692         u8      pad3[32];
693 };
694
695
696 struct bmic_identify_physical_device {
697         u8    scsi_bus;          /* SCSI Bus number on controller */
698         u8    scsi_id;           /* SCSI ID on this bus */
699         __le16 block_size;           /* sector size in bytes */
700         __le32 total_blocks;         /* number for sectors on drive */
701         __le32 reserved_blocks;   /* controller reserved (RIS) */
702         u8    model[40];         /* Physical Drive Model */
703         u8    serial_number[40]; /* Drive Serial Number */
704         u8    firmware_revision[8]; /* drive firmware revision */
705         u8    scsi_inquiry_bits; /* inquiry byte 7 bits */
706         u8    compaq_drive_stamp; /* 0 means drive not stamped */
707         u8    last_failure_reason;
708 #define BMIC_LAST_FAILURE_TOO_SMALL_IN_LOAD_CONFIG              0x01
709 #define BMIC_LAST_FAILURE_ERROR_ERASING_RIS                     0x02
710 #define BMIC_LAST_FAILURE_ERROR_SAVING_RIS                      0x03
711 #define BMIC_LAST_FAILURE_FAIL_DRIVE_COMMAND                    0x04
712 #define BMIC_LAST_FAILURE_MARK_BAD_FAILED                       0x05
713 #define BMIC_LAST_FAILURE_MARK_BAD_FAILED_IN_FINISH_REMAP       0x06
714 #define BMIC_LAST_FAILURE_TIMEOUT                               0x07
715 #define BMIC_LAST_FAILURE_AUTOSENSE_FAILED                      0x08
716 #define BMIC_LAST_FAILURE_MEDIUM_ERROR_1                        0x09
717 #define BMIC_LAST_FAILURE_MEDIUM_ERROR_2                        0x0a
718 #define BMIC_LAST_FAILURE_NOT_READY_BAD_SENSE                   0x0b
719 #define BMIC_LAST_FAILURE_NOT_READY                             0x0c
720 #define BMIC_LAST_FAILURE_HARDWARE_ERROR                        0x0d
721 #define BMIC_LAST_FAILURE_ABORTED_COMMAND                       0x0e
722 #define BMIC_LAST_FAILURE_WRITE_PROTECTED                       0x0f
723 #define BMIC_LAST_FAILURE_SPIN_UP_FAILURE_IN_RECOVER            0x10
724 #define BMIC_LAST_FAILURE_REBUILD_WRITE_ERROR                   0x11
725 #define BMIC_LAST_FAILURE_TOO_SMALL_IN_HOT_PLUG                 0x12
726 #define BMIC_LAST_FAILURE_BUS_RESET_RECOVERY_ABORTED            0x13
727 #define BMIC_LAST_FAILURE_REMOVED_IN_HOT_PLUG                   0x14
728 #define BMIC_LAST_FAILURE_INIT_REQUEST_SENSE_FAILED             0x15
729 #define BMIC_LAST_FAILURE_INIT_START_UNIT_FAILED                0x16
730 #define BMIC_LAST_FAILURE_INQUIRY_FAILED                        0x17
731 #define BMIC_LAST_FAILURE_NON_DISK_DEVICE                       0x18
732 #define BMIC_LAST_FAILURE_READ_CAPACITY_FAILED                  0x19
733 #define BMIC_LAST_FAILURE_INVALID_BLOCK_SIZE                    0x1a
734 #define BMIC_LAST_FAILURE_HOT_PLUG_REQUEST_SENSE_FAILED         0x1b
735 #define BMIC_LAST_FAILURE_HOT_PLUG_START_UNIT_FAILED            0x1c
736 #define BMIC_LAST_FAILURE_WRITE_ERROR_AFTER_REMAP               0x1d
737 #define BMIC_LAST_FAILURE_INIT_RESET_RECOVERY_ABORTED           0x1e
738 #define BMIC_LAST_FAILURE_DEFERRED_WRITE_ERROR                  0x1f
739 #define BMIC_LAST_FAILURE_MISSING_IN_SAVE_RIS                   0x20
740 #define BMIC_LAST_FAILURE_WRONG_REPLACE                         0x21
741 #define BMIC_LAST_FAILURE_GDP_VPD_INQUIRY_FAILED                0x22
742 #define BMIC_LAST_FAILURE_GDP_MODE_SENSE_FAILED                 0x23
743 #define BMIC_LAST_FAILURE_DRIVE_NOT_IN_48BIT_MODE               0x24
744 #define BMIC_LAST_FAILURE_DRIVE_TYPE_MIX_IN_HOT_PLUG            0x25
745 #define BMIC_LAST_FAILURE_DRIVE_TYPE_MIX_IN_LOAD_CFG            0x26
746 #define BMIC_LAST_FAILURE_PROTOCOL_ADAPTER_FAILED               0x27
747 #define BMIC_LAST_FAILURE_FAULTY_ID_BAY_EMPTY                   0x28
748 #define BMIC_LAST_FAILURE_FAULTY_ID_BAY_OCCUPIED                0x29
749 #define BMIC_LAST_FAILURE_FAULTY_ID_INVALID_BAY                 0x2a
750 #define BMIC_LAST_FAILURE_WRITE_RETRIES_FAILED                  0x2b
751
752 #define BMIC_LAST_FAILURE_SMART_ERROR_REPORTED                  0x37
753 #define BMIC_LAST_FAILURE_PHY_RESET_FAILED                      0x38
754 #define BMIC_LAST_FAILURE_ONLY_ONE_CTLR_CAN_SEE_DRIVE           0x40
755 #define BMIC_LAST_FAILURE_KC_VOLUME_FAILED                      0x41
756 #define BMIC_LAST_FAILURE_UNEXPECTED_REPLACEMENT                0x42
757 #define BMIC_LAST_FAILURE_OFFLINE_ERASE                         0x80
758 #define BMIC_LAST_FAILURE_OFFLINE_TOO_SMALL                     0x81
759 #define BMIC_LAST_FAILURE_OFFLINE_DRIVE_TYPE_MIX                0x82
760 #define BMIC_LAST_FAILURE_OFFLINE_ERASE_COMPLETE                0x83
761
762         u8     flags;
763         u8     more_flags;
764         u8     scsi_lun;          /* SCSI LUN for phys drive */
765         u8     yet_more_flags;
766         u8     even_more_flags;
767         __le32 spi_speed_rules;/* SPI Speed data:Ultra disable diagnose */
768         u8     phys_connector[2];         /* connector number on controller */
769         u8     phys_box_on_bus;  /* phys enclosure this drive resides */
770         u8     phys_bay_in_box;  /* phys drv bay this drive resides */
771         __le32 rpm;              /* Drive rotational speed in rpm */
772         u8     device_type;       /* type of drive */
773         u8     sata_version;     /* only valid when drive_type is SATA */
774         __le64 big_total_block_count;
775         __le64 ris_starting_lba;
776         __le32 ris_size;
777         u8     wwid[20];
778         u8     controller_phy_map[32];
779         __le16 phy_count;
780         u8     phy_connected_dev_type[256];
781         u8     phy_to_drive_bay_num[256];
782         __le16 phy_to_attached_dev_index[256];
783         u8     box_index;
784         u8     reserved;
785         __le16 extra_physical_drive_flags;
786 #define BMIC_PHYS_DRIVE_SUPPORTS_GAS_GAUGE(idphydrv) \
787         (idphydrv->extra_physical_drive_flags & (1 << 10))
788         u8     negotiated_link_rate[256];
789         u8     phy_to_phy_map[256];
790         u8     redundant_path_present_map;
791         u8     redundant_path_failure_map;
792         u8     active_path_number;
793         __le16 alternate_paths_phys_connector[8];
794         u8     alternate_paths_phys_box_on_port[8];
795         u8     multi_lun_device_lun_count;
796         u8     minimum_good_fw_revision[8];
797         u8     unique_inquiry_bytes[20];
798         u8     current_temperature_degreesC;
799         u8     temperature_threshold_degreesC;
800         u8     max_temperature_degreesC;
801         u8     logical_blocks_per_phys_block_exp; /* phyblocksize = 512*2^exp */
802         __le16 current_queue_depth_limit;
803         u8     switch_name[10];
804         __le16 switch_port;
805         u8     alternate_paths_switch_name[40];
806         u8     alternate_paths_switch_port[8];
807         __le16 power_on_hours; /* valid only if gas gauge supported */
808         __le16 percent_endurance_used; /* valid only if gas gauge supported. */
809 #define BMIC_PHYS_DRIVE_SSD_WEAROUT(idphydrv) \
810         ((idphydrv->percent_endurance_used & 0x80) || \
811          (idphydrv->percent_endurance_used > 10000))
812         u8     drive_authentication;
813 #define BMIC_PHYS_DRIVE_AUTHENTICATED(idphydrv) \
814         (idphydrv->drive_authentication == 0x80)
815         u8     smart_carrier_authentication;
816 #define BMIC_SMART_CARRIER_AUTHENTICATION_SUPPORTED(idphydrv) \
817         (idphydrv->smart_carrier_authentication != 0x0)
818 #define BMIC_SMART_CARRIER_AUTHENTICATED(idphydrv) \
819         (idphydrv->smart_carrier_authentication == 0x01)
820         u8     smart_carrier_app_fw_version;
821         u8     smart_carrier_bootloader_fw_version;
822         u8     encryption_key_name[64];
823         __le32 misc_drive_flags;
824         __le16 dek_index;
825         u8     padding[112];
826 };
827
828 #pragma pack()
829 #endif /* HPSA_CMD_H */