net: bcmgenet: fix accounting of packet drops vs errors
[linux-2.6-microblaze.git] / drivers / scsi / hpsa_cmd.h
1 /*
2  *    Disk Array driver for HP Smart Array SAS controllers
3  *    Copyright 2000, 2014 Hewlett-Packard Development Company, L.P.
4  *
5  *    This program is free software; you can redistribute it and/or modify
6  *    it under the terms of the GNU General Public License as published by
7  *    the Free Software Foundation; version 2 of the License.
8  *
9  *    This program is distributed in the hope that it will be useful,
10  *    but WITHOUT ANY WARRANTY; without even the implied warranty of
11  *    MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE, GOOD TITLE or
12  *    NON INFRINGEMENT.  See the GNU General Public License for more details.
13  *
14  *    You should have received a copy of the GNU General Public License
15  *    along with this program; if not, write to the Free Software
16  *    Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
17  *
18  *    Questions/Comments/Bugfixes to iss_storagedev@hp.com
19  *
20  */
21 #ifndef HPSA_CMD_H
22 #define HPSA_CMD_H
23
24 /* general boundary defintions */
25 #define SENSEINFOBYTES          32 /* may vary between hbas */
26 #define SG_ENTRIES_IN_CMD       32 /* Max SG entries excluding chain blocks */
27 #define HPSA_SG_CHAIN           0x80000000
28 #define HPSA_SG_LAST            0x40000000
29 #define MAXREPLYQS              256
30
31 /* Command Status value */
32 #define CMD_SUCCESS             0x0000
33 #define CMD_TARGET_STATUS       0x0001
34 #define CMD_DATA_UNDERRUN       0x0002
35 #define CMD_DATA_OVERRUN        0x0003
36 #define CMD_INVALID             0x0004
37 #define CMD_PROTOCOL_ERR        0x0005
38 #define CMD_HARDWARE_ERR        0x0006
39 #define CMD_CONNECTION_LOST     0x0007
40 #define CMD_ABORTED             0x0008
41 #define CMD_ABORT_FAILED        0x0009
42 #define CMD_UNSOLICITED_ABORT   0x000A
43 #define CMD_TIMEOUT             0x000B
44 #define CMD_UNABORTABLE         0x000C
45 #define CMD_TMF_STATUS          0x000D
46 #define CMD_IOACCEL_DISABLED    0x000E
47 #define CMD_CTLR_LOCKUP         0xffff
48 /* Note: CMD_CTLR_LOCKUP is not a value defined by the CISS spec
49  * it is a value defined by the driver that commands can be marked
50  * with when a controller lockup has been detected by the driver
51  */
52
53 /* TMF function status values */
54 #define CISS_TMF_COMPLETE       0x00
55 #define CISS_TMF_INVALID_FRAME  0x02
56 #define CISS_TMF_NOT_SUPPORTED  0x04
57 #define CISS_TMF_FAILED         0x05
58 #define CISS_TMF_SUCCESS        0x08
59 #define CISS_TMF_WRONG_LUN      0x09
60 #define CISS_TMF_OVERLAPPED_TAG 0x0a
61
62 /* Unit Attentions ASC's as defined for the MSA2012sa */
63 #define POWER_OR_RESET                  0x29
64 #define STATE_CHANGED                   0x2a
65 #define UNIT_ATTENTION_CLEARED          0x2f
66 #define LUN_FAILED                      0x3e
67 #define REPORT_LUNS_CHANGED             0x3f
68
69 /* Unit Attentions ASCQ's as defined for the MSA2012sa */
70
71         /* These ASCQ's defined for ASC = POWER_OR_RESET */
72 #define POWER_ON_RESET                  0x00
73 #define POWER_ON_REBOOT                 0x01
74 #define SCSI_BUS_RESET                  0x02
75 #define MSA_TARGET_RESET                0x03
76 #define CONTROLLER_FAILOVER             0x04
77 #define TRANSCEIVER_SE                  0x05
78 #define TRANSCEIVER_LVD                 0x06
79
80         /* These ASCQ's defined for ASC = STATE_CHANGED */
81 #define RESERVATION_PREEMPTED           0x03
82 #define ASYM_ACCESS_CHANGED             0x06
83 #define LUN_CAPACITY_CHANGED            0x09
84
85 /* transfer direction */
86 #define XFER_NONE               0x00
87 #define XFER_WRITE              0x01
88 #define XFER_READ               0x02
89 #define XFER_RSVD               0x03
90
91 /* task attribute */
92 #define ATTR_UNTAGGED           0x00
93 #define ATTR_SIMPLE             0x04
94 #define ATTR_HEADOFQUEUE        0x05
95 #define ATTR_ORDERED            0x06
96 #define ATTR_ACA                0x07
97
98 /* cdb type */
99 #define TYPE_CMD                0x00
100 #define TYPE_MSG                0x01
101 #define TYPE_IOACCEL2_CMD       0x81 /* 0x81 is not used by hardware */
102
103 /* Message Types  */
104 #define HPSA_TASK_MANAGEMENT    0x00
105 #define HPSA_RESET              0x01
106 #define HPSA_SCAN               0x02
107 #define HPSA_NOOP               0x03
108
109 #define HPSA_CTLR_RESET_TYPE    0x00
110 #define HPSA_BUS_RESET_TYPE     0x01
111 #define HPSA_TARGET_RESET_TYPE  0x03
112 #define HPSA_LUN_RESET_TYPE     0x04
113 #define HPSA_NEXUS_RESET_TYPE   0x05
114
115 /* Task Management Functions */
116 #define HPSA_TMF_ABORT_TASK     0x00
117 #define HPSA_TMF_ABORT_TASK_SET 0x01
118 #define HPSA_TMF_CLEAR_ACA      0x02
119 #define HPSA_TMF_CLEAR_TASK_SET 0x03
120 #define HPSA_TMF_QUERY_TASK     0x04
121 #define HPSA_TMF_QUERY_TASK_SET 0x05
122 #define HPSA_TMF_QUERY_ASYNCEVENT 0x06
123
124
125
126 /* config space register offsets */
127 #define CFG_VENDORID            0x00
128 #define CFG_DEVICEID            0x02
129 #define CFG_I2OBAR              0x10
130 #define CFG_MEM1BAR             0x14
131
132 /* i2o space register offsets */
133 #define I2O_IBDB_SET            0x20
134 #define I2O_IBDB_CLEAR          0x70
135 #define I2O_INT_STATUS          0x30
136 #define I2O_INT_MASK            0x34
137 #define I2O_IBPOST_Q            0x40
138 #define I2O_OBPOST_Q            0x44
139 #define I2O_DMA1_CFG            0x214
140
141 /* Configuration Table */
142 #define CFGTBL_ChangeReq        0x00000001l
143 #define CFGTBL_AccCmds          0x00000001l
144 #define DOORBELL_CTLR_RESET     0x00000004l
145 #define DOORBELL_CTLR_RESET2    0x00000020l
146 #define DOORBELL_CLEAR_EVENTS   0x00000040l
147
148 #define CFGTBL_Trans_Simple     0x00000002l
149 #define CFGTBL_Trans_Performant 0x00000004l
150 #define CFGTBL_Trans_io_accel1  0x00000080l
151 #define CFGTBL_Trans_io_accel2  0x00000100l
152 #define CFGTBL_Trans_use_short_tags 0x20000000l
153 #define CFGTBL_Trans_enable_directed_msix (1 << 30)
154
155 #define CFGTBL_BusType_Ultra2   0x00000001l
156 #define CFGTBL_BusType_Ultra3   0x00000002l
157 #define CFGTBL_BusType_Fibre1G  0x00000100l
158 #define CFGTBL_BusType_Fibre2G  0x00000200l
159
160 /* VPD Inquiry types */
161 #define HPSA_VPD_SUPPORTED_PAGES        0x00
162 #define HPSA_VPD_LV_DEVICE_GEOMETRY     0xC1
163 #define HPSA_VPD_LV_IOACCEL_STATUS      0xC2
164 #define HPSA_VPD_LV_STATUS              0xC3
165 #define HPSA_VPD_HEADER_SZ              4
166
167 /* Logical volume states */
168 #define HPSA_VPD_LV_STATUS_UNSUPPORTED                  0xff
169 #define HPSA_LV_OK                                      0x0
170 #define HPSA_LV_UNDERGOING_ERASE                        0x0F
171 #define HPSA_LV_UNDERGOING_RPI                          0x12
172 #define HPSA_LV_PENDING_RPI                             0x13
173 #define HPSA_LV_ENCRYPTED_NO_KEY                        0x14
174 #define HPSA_LV_PLAINTEXT_IN_ENCRYPT_ONLY_CONTROLLER    0x15
175 #define HPSA_LV_UNDERGOING_ENCRYPTION                   0x16
176 #define HPSA_LV_UNDERGOING_ENCRYPTION_REKEYING          0x17
177 #define HPSA_LV_ENCRYPTED_IN_NON_ENCRYPTED_CONTROLLER   0x18
178 #define HPSA_LV_PENDING_ENCRYPTION                      0x19
179 #define HPSA_LV_PENDING_ENCRYPTION_REKEYING             0x1A
180
181 struct vals32 {
182         u32   lower;
183         u32   upper;
184 };
185
186 union u64bit {
187         struct vals32 val32;
188         u64 val;
189 };
190
191 /* FIXME this is a per controller value (barf!) */
192 #define HPSA_MAX_LUN 1024
193 #define HPSA_MAX_PHYS_LUN 1024
194 #define MAX_EXT_TARGETS 32
195 #define HPSA_MAX_DEVICES (HPSA_MAX_PHYS_LUN + HPSA_MAX_LUN + \
196         MAX_EXT_TARGETS + 1) /* + 1 is for the controller itself */
197
198 /* SCSI-3 Commands */
199 #pragma pack(1)
200
201 #define HPSA_INQUIRY 0x12
202 struct InquiryData {
203         u8 data_byte[36];
204 };
205
206 #define HPSA_REPORT_LOG 0xc2    /* Report Logical LUNs */
207 #define HPSA_REPORT_PHYS 0xc3   /* Report Physical LUNs */
208 #define HPSA_REPORT_PHYS_EXTENDED 0x02
209 #define HPSA_CISS_READ  0xc0    /* CISS Read */
210 #define HPSA_GET_RAID_MAP 0xc8  /* CISS Get RAID Layout Map */
211
212 #define RAID_MAP_MAX_ENTRIES   256
213
214 struct raid_map_disk_data {
215         u32   ioaccel_handle;         /**< Handle to access this disk via the
216                                         *  I/O accelerator */
217         u8    xor_mult[2];            /**< XOR multipliers for this position,
218                                         *  valid for data disks only */
219         u8    reserved[2];
220 };
221
222 struct raid_map_data {
223         __le32   structure_size;        /* Size of entire structure in bytes */
224         __le32   volume_blk_size;       /* bytes / block in the volume */
225         __le64   volume_blk_cnt;        /* logical blocks on the volume */
226         u8    phys_blk_shift;           /* Shift factor to convert between
227                                          * units of logical blocks and physical
228                                          * disk blocks */
229         u8    parity_rotation_shift;    /* Shift factor to convert between units
230                                          * of logical stripes and physical
231                                          * stripes */
232         __le16   strip_size;            /* blocks used on each disk / stripe */
233         __le64   disk_starting_blk;     /* First disk block used in volume */
234         __le64   disk_blk_cnt;          /* disk blocks used by volume / disk */
235         __le16   data_disks_per_row;    /* data disk entries / row in the map */
236         __le16   metadata_disks_per_row;/* mirror/parity disk entries / row
237                                          * in the map */
238         __le16   row_cnt;               /* rows in each layout map */
239         __le16   layout_map_count;      /* layout maps (1 map per mirror/parity
240                                          * group) */
241         __le16   flags;                 /* Bit 0 set if encryption enabled */
242 #define RAID_MAP_FLAG_ENCRYPT_ON  0x01
243         __le16   dekindex;              /* Data encryption key index. */
244         u8    reserved[16];
245         struct raid_map_disk_data data[RAID_MAP_MAX_ENTRIES];
246 };
247
248 struct ReportLUNdata {
249         u8 LUNListLength[4];
250         u8 extended_response_flag;
251         u8 reserved[3];
252         u8 LUN[HPSA_MAX_LUN][8];
253 };
254
255 struct ext_report_lun_entry {
256         u8 lunid[8];
257 #define MASKED_DEVICE(x) ((x)[3] & 0xC0)
258 #define GET_BMIC_BUS(lunid) ((lunid)[7] & 0x3F)
259 #define GET_BMIC_LEVEL_TWO_TARGET(lunid) ((lunid)[6])
260 #define GET_BMIC_DRIVE_NUMBER(lunid) (((GET_BMIC_BUS((lunid)) - 1) << 8) + \
261                         GET_BMIC_LEVEL_TWO_TARGET((lunid)))
262         u8 wwid[8];
263         u8 device_type;
264         u8 device_flags;
265 #define NON_DISK_PHYS_DEV(x) ((x)[17] & 0x01)
266 #define PHYS_IOACCEL(x) ((x)[17] & 0x08)
267         u8 lun_count; /* multi-lun device, how many luns */
268         u8 redundant_paths;
269         u32 ioaccel_handle; /* ioaccel1 only uses lower 16 bits */
270 };
271
272 struct ReportExtendedLUNdata {
273         u8 LUNListLength[4];
274         u8 extended_response_flag;
275         u8 reserved[3];
276         struct ext_report_lun_entry LUN[HPSA_MAX_PHYS_LUN];
277 };
278
279 struct SenseSubsystem_info {
280         u8 reserved[36];
281         u8 portname[8];
282         u8 reserved1[1108];
283 };
284
285 /* BMIC commands */
286 #define BMIC_READ 0x26
287 #define BMIC_WRITE 0x27
288 #define BMIC_CACHE_FLUSH 0xc2
289 #define HPSA_CACHE_FLUSH 0x01   /* C2 was already being used by HPSA */
290 #define BMIC_FLASH_FIRMWARE 0xF7
291 #define BMIC_SENSE_CONTROLLER_PARAMETERS 0x64
292 #define BMIC_IDENTIFY_PHYSICAL_DEVICE 0x15
293
294 /* Command List Structure */
295 union SCSI3Addr {
296         struct {
297                 u8 Dev;
298                 u8 Bus:6;
299                 u8 Mode:2;        /* b00 */
300         } PeripDev;
301         struct {
302                 u8 DevLSB;
303                 u8 DevMSB:6;
304                 u8 Mode:2;        /* b01 */
305         } LogDev;
306         struct {
307                 u8 Dev:5;
308                 u8 Bus:3;
309                 u8 Targ:6;
310                 u8 Mode:2;        /* b10 */
311         } LogUnit;
312 };
313
314 struct PhysDevAddr {
315         u32             TargetId:24;
316         u32             Bus:6;
317         u32             Mode:2;
318         /* 2 level target device addr */
319         union SCSI3Addr  Target[2];
320 };
321
322 struct LogDevAddr {
323         u32            VolId:30;
324         u32            Mode:2;
325         u8             reserved[4];
326 };
327
328 union LUNAddr {
329         u8               LunAddrBytes[8];
330         union SCSI3Addr    SCSI3Lun[4];
331         struct PhysDevAddr PhysDev;
332         struct LogDevAddr  LogDev;
333 };
334
335 struct CommandListHeader {
336         u8              ReplyQueue;
337         u8              SGList;
338         __le16          SGTotal;
339         __le64          tag;
340         union LUNAddr     LUN;
341 };
342
343 struct RequestBlock {
344         u8   CDBLen;
345         /*
346          * type_attr_dir:
347          * type: low 3 bits
348          * attr: middle 3 bits
349          * dir: high 2 bits
350          */
351         u8      type_attr_dir;
352 #define TYPE_ATTR_DIR(t, a, d) ((((d) & 0x03) << 6) |\
353                                 (((a) & 0x07) << 3) |\
354                                 ((t) & 0x07))
355 #define GET_TYPE(tad) ((tad) & 0x07)
356 #define GET_ATTR(tad) (((tad) >> 3) & 0x07)
357 #define GET_DIR(tad) (((tad) >> 6) & 0x03)
358         u16  Timeout;
359         u8   CDB[16];
360 };
361
362 struct ErrDescriptor {
363         __le64 Addr;
364         __le32 Len;
365 };
366
367 struct SGDescriptor {
368         __le64 Addr;
369         __le32 Len;
370         __le32 Ext;
371 };
372
373 union MoreErrInfo {
374         struct {
375                 u8  Reserved[3];
376                 u8  Type;
377                 u32 ErrorInfo;
378         } Common_Info;
379         struct {
380                 u8  Reserved[2];
381                 u8  offense_size; /* size of offending entry */
382                 u8  offense_num;  /* byte # of offense 0-base */
383                 u32 offense_value;
384         } Invalid_Cmd;
385 };
386 struct ErrorInfo {
387         u8               ScsiStatus;
388         u8               SenseLen;
389         u16              CommandStatus;
390         u32              ResidualCnt;
391         union MoreErrInfo  MoreErrInfo;
392         u8               SenseInfo[SENSEINFOBYTES];
393 };
394 /* Command types */
395 #define CMD_IOCTL_PEND  0x01
396 #define CMD_SCSI        0x03
397 #define CMD_IOACCEL1    0x04
398 #define CMD_IOACCEL2    0x05
399 #define IOACCEL2_TMF    0x06
400
401 #define DIRECT_LOOKUP_SHIFT 4
402 #define DIRECT_LOOKUP_MASK (~((1 << DIRECT_LOOKUP_SHIFT) - 1))
403
404 #define HPSA_ERROR_BIT          0x02
405 struct ctlr_info; /* defined in hpsa.h */
406 /* The size of this structure needs to be divisible by 128
407  * on all architectures.  The low 4 bits of the addresses
408  * are used as follows:
409  *
410  * bit 0: to device, used to indicate "performant mode" command
411  *        from device, indidcates error status.
412  * bit 1-3: to device, indicates block fetch table entry for
413  *          reducing DMA in fetching commands from host memory.
414  */
415
416 #define COMMANDLIST_ALIGNMENT 128
417 struct CommandList {
418         struct CommandListHeader Header;
419         struct RequestBlock      Request;
420         struct ErrDescriptor     ErrDesc;
421         struct SGDescriptor      SG[SG_ENTRIES_IN_CMD];
422         /* information associated with the command */
423         u32                        busaddr; /* physical addr of this record */
424         struct ErrorInfo *err_info; /* pointer to the allocated mem */
425         struct ctlr_info           *h;
426         int                        cmd_type;
427         long                       cmdindex;
428         struct completion *waiting;
429         struct scsi_cmnd *scsi_cmd;
430         struct work_struct work;
431
432         /*
433          * For commands using either of the two "ioaccel" paths to
434          * bypass the RAID stack and go directly to the physical disk
435          * phys_disk is a pointer to the hpsa_scsi_dev_t to which the
436          * i/o is destined.  We need to store that here because the command
437          * may potentially encounter TASK SET FULL and need to be resubmitted
438          * For "normal" i/o's not using the "ioaccel" paths, phys_disk is
439          * not used.
440          */
441         struct hpsa_scsi_dev_t *phys_disk;
442
443         int abort_pending;
444         struct hpsa_scsi_dev_t *reset_pending;
445         atomic_t refcount; /* Must be last to avoid memset in hpsa_cmd_init() */
446 } __aligned(COMMANDLIST_ALIGNMENT);
447
448 /* Max S/G elements in I/O accelerator command */
449 #define IOACCEL1_MAXSGENTRIES           24
450 #define IOACCEL2_MAXSGENTRIES           28
451
452 /*
453  * Structure for I/O accelerator (mode 1) commands.
454  * Note that this structure must be 128-byte aligned in size.
455  */
456 #define IOACCEL1_COMMANDLIST_ALIGNMENT 128
457 struct io_accel1_cmd {
458         __le16 dev_handle;              /* 0x00 - 0x01 */
459         u8  reserved1;                  /* 0x02 */
460         u8  function;                   /* 0x03 */
461         u8  reserved2[8];               /* 0x04 - 0x0B */
462         u32 err_info;                   /* 0x0C - 0x0F */
463         u8  reserved3[2];               /* 0x10 - 0x11 */
464         u8  err_info_len;               /* 0x12 */
465         u8  reserved4;                  /* 0x13 */
466         u8  sgl_offset;                 /* 0x14 */
467         u8  reserved5[7];               /* 0x15 - 0x1B */
468         __le32 transfer_len;            /* 0x1C - 0x1F */
469         u8  reserved6[4];               /* 0x20 - 0x23 */
470         __le16 io_flags;                /* 0x24 - 0x25 */
471         u8  reserved7[14];              /* 0x26 - 0x33 */
472         u8  LUN[8];                     /* 0x34 - 0x3B */
473         __le32 control;                 /* 0x3C - 0x3F */
474         u8  CDB[16];                    /* 0x40 - 0x4F */
475         u8  reserved8[16];              /* 0x50 - 0x5F */
476         __le16 host_context_flags;      /* 0x60 - 0x61 */
477         __le16 timeout_sec;             /* 0x62 - 0x63 */
478         u8  ReplyQueue;                 /* 0x64 */
479         u8  reserved9[3];               /* 0x65 - 0x67 */
480         __le64 tag;                     /* 0x68 - 0x6F */
481         __le64 host_addr;               /* 0x70 - 0x77 */
482         u8  CISS_LUN[8];                /* 0x78 - 0x7F */
483         struct SGDescriptor SG[IOACCEL1_MAXSGENTRIES];
484 } __aligned(IOACCEL1_COMMANDLIST_ALIGNMENT);
485
486 #define IOACCEL1_FUNCTION_SCSIIO        0x00
487 #define IOACCEL1_SGLOFFSET              32
488
489 #define IOACCEL1_IOFLAGS_IO_REQ         0x4000
490 #define IOACCEL1_IOFLAGS_CDBLEN_MASK    0x001F
491 #define IOACCEL1_IOFLAGS_CDBLEN_MAX     16
492
493 #define IOACCEL1_CONTROL_NODATAXFER     0x00000000
494 #define IOACCEL1_CONTROL_DATA_OUT       0x01000000
495 #define IOACCEL1_CONTROL_DATA_IN        0x02000000
496 #define IOACCEL1_CONTROL_TASKPRIO_MASK  0x00007800
497 #define IOACCEL1_CONTROL_TASKPRIO_SHIFT 11
498 #define IOACCEL1_CONTROL_SIMPLEQUEUE    0x00000000
499 #define IOACCEL1_CONTROL_HEADOFQUEUE    0x00000100
500 #define IOACCEL1_CONTROL_ORDEREDQUEUE   0x00000200
501 #define IOACCEL1_CONTROL_ACA            0x00000400
502
503 #define IOACCEL1_HCFLAGS_CISS_FORMAT    0x0013
504
505 #define IOACCEL1_BUSADDR_CMDTYPE        0x00000060
506
507 struct ioaccel2_sg_element {
508         __le64 address;
509         __le32 length;
510         u8 reserved[3];
511         u8 chain_indicator;
512 #define IOACCEL2_CHAIN 0x80
513 };
514
515 /*
516  * SCSI Response Format structure for IO Accelerator Mode 2
517  */
518 struct io_accel2_scsi_response {
519         u8 IU_type;
520 #define IOACCEL2_IU_TYPE_SRF                    0x60
521         u8 reserved1[3];
522         u8 req_id[4];           /* request identifier */
523         u8 reserved2[4];
524         u8 serv_response;               /* service response */
525 #define IOACCEL2_SERV_RESPONSE_COMPLETE         0x000
526 #define IOACCEL2_SERV_RESPONSE_FAILURE          0x001
527 #define IOACCEL2_SERV_RESPONSE_TMF_COMPLETE     0x002
528 #define IOACCEL2_SERV_RESPONSE_TMF_SUCCESS      0x003
529 #define IOACCEL2_SERV_RESPONSE_TMF_REJECTED     0x004
530 #define IOACCEL2_SERV_RESPONSE_TMF_WRONG_LUN    0x005
531         u8 status;                      /* status */
532 #define IOACCEL2_STATUS_SR_TASK_COMP_GOOD       0x00
533 #define IOACCEL2_STATUS_SR_TASK_COMP_CHK_COND   0x02
534 #define IOACCEL2_STATUS_SR_TASK_COMP_BUSY       0x08
535 #define IOACCEL2_STATUS_SR_TASK_COMP_RES_CON    0x18
536 #define IOACCEL2_STATUS_SR_TASK_COMP_SET_FULL   0x28
537 #define IOACCEL2_STATUS_SR_TASK_COMP_ABORTED    0x40
538 #define IOACCEL2_STATUS_SR_IOACCEL_DISABLED     0x0E
539 #define IOACCEL2_STATUS_SR_IO_ERROR             0x01
540 #define IOACCEL2_STATUS_SR_IO_ABORTED           0x02
541 #define IOACCEL2_STATUS_SR_NO_PATH_TO_DEVICE    0x03
542 #define IOACCEL2_STATUS_SR_INVALID_DEVICE       0x04
543 #define IOACCEL2_STATUS_SR_UNDERRUN             0x51
544 #define IOACCEL2_STATUS_SR_OVERRUN              0x75
545         u8 data_present;                /* low 2 bits */
546 #define IOACCEL2_NO_DATAPRESENT         0x000
547 #define IOACCEL2_RESPONSE_DATAPRESENT   0x001
548 #define IOACCEL2_SENSE_DATA_PRESENT     0x002
549 #define IOACCEL2_RESERVED               0x003
550         u8 sense_data_len;              /* sense/response data length */
551         u8 resid_cnt[4];                /* residual count */
552         u8 sense_data_buff[32];         /* sense/response data buffer */
553 };
554
555 /*
556  * Structure for I/O accelerator (mode 2 or m2) commands.
557  * Note that this structure must be 128-byte aligned in size.
558  */
559 #define IOACCEL2_COMMANDLIST_ALIGNMENT 128
560 struct io_accel2_cmd {
561         u8  IU_type;                    /* IU Type */
562         u8  direction;                  /* direction, memtype, and encryption */
563 #define IOACCEL2_DIRECTION_MASK         0x03 /* bits 0,1: direction  */
564 #define IOACCEL2_DIRECTION_MEMTYPE_MASK 0x04 /* bit 2: memtype source/dest */
565                                              /*     0b=PCIe, 1b=DDR */
566 #define IOACCEL2_DIRECTION_ENCRYPT_MASK 0x08 /* bit 3: encryption flag */
567                                              /*     0=off, 1=on */
568         u8  reply_queue;                /* Reply Queue ID */
569         u8  reserved1;                  /* Reserved */
570         __le32 scsi_nexus;              /* Device Handle */
571         __le32 Tag;                     /* cciss tag, lower 4 bytes only */
572         __le32 tweak_lower;             /* Encryption tweak, lower 4 bytes */
573         u8  cdb[16];                    /* SCSI Command Descriptor Block */
574         u8  cciss_lun[8];               /* 8 byte SCSI address */
575         __le32 data_len;                /* Total bytes to transfer */
576         u8  cmd_priority_task_attr;     /* priority and task attrs */
577 #define IOACCEL2_PRIORITY_MASK 0x78
578 #define IOACCEL2_ATTR_MASK 0x07
579         u8  sg_count;                   /* Number of sg elements */
580         __le16 dekindex;                /* Data encryption key index */
581         __le64 err_ptr;                 /* Error Pointer */
582         __le32 err_len;                 /* Error Length*/
583         __le32 tweak_upper;             /* Encryption tweak, upper 4 bytes */
584         struct ioaccel2_sg_element sg[IOACCEL2_MAXSGENTRIES];
585         struct io_accel2_scsi_response error_data;
586 } __aligned(IOACCEL2_COMMANDLIST_ALIGNMENT);
587
588 /*
589  * defines for Mode 2 command struct
590  * FIXME: this can't be all I need mfm
591  */
592 #define IOACCEL2_IU_TYPE        0x40
593 #define IOACCEL2_IU_TMF_TYPE    0x41
594 #define IOACCEL2_DIR_NO_DATA    0x00
595 #define IOACCEL2_DIR_DATA_IN    0x01
596 #define IOACCEL2_DIR_DATA_OUT   0x02
597 #define IOACCEL2_TMF_ABORT      0x01
598 /*
599  * SCSI Task Management Request format for Accelerator Mode 2
600  */
601 struct hpsa_tmf_struct {
602         u8 iu_type;             /* Information Unit Type */
603         u8 reply_queue;         /* Reply Queue ID */
604         u8 tmf;                 /* Task Management Function */
605         u8 reserved1;           /* byte 3 Reserved */
606         __le32 it_nexus;        /* SCSI I-T Nexus */
607         u8 lun_id[8];           /* LUN ID for TMF request */
608         __le64 tag;             /* cciss tag associated w/ request */
609         __le64 abort_tag;       /* cciss tag of SCSI cmd or TMF to abort */
610         __le64 error_ptr;               /* Error Pointer */
611         __le32 error_len;               /* Error Length */
612 } __aligned(IOACCEL2_COMMANDLIST_ALIGNMENT);
613
614 /* Configuration Table Structure */
615 struct HostWrite {
616         __le32          TransportRequest;
617         __le32          command_pool_addr_hi;
618         __le32          CoalIntDelay;
619         __le32          CoalIntCount;
620 };
621
622 #define SIMPLE_MODE     0x02
623 #define PERFORMANT_MODE 0x04
624 #define MEMQ_MODE       0x08
625 #define IOACCEL_MODE_1  0x80
626
627 #define DRIVER_SUPPORT_UA_ENABLE        0x00000001
628
629 struct CfgTable {
630         u8              Signature[4];
631         __le32          SpecValence;
632         __le32          TransportSupport;
633         __le32          TransportActive;
634         struct HostWrite HostWrite;
635         __le32          CmdsOutMax;
636         __le32          BusTypes;
637         __le32          TransMethodOffset;
638         u8              ServerName[16];
639         __le32          HeartBeat;
640         __le32          driver_support;
641 #define                 ENABLE_SCSI_PREFETCH            0x100
642 #define                 ENABLE_UNIT_ATTN                0x01
643         __le32          MaxScatterGatherElements;
644         __le32          MaxLogicalUnits;
645         __le32          MaxPhysicalDevices;
646         __le32          MaxPhysicalDrivesPerLogicalUnit;
647         __le32          MaxPerformantModeCommands;
648         __le32          MaxBlockFetch;
649         __le32          PowerConservationSupport;
650         __le32          PowerConservationEnable;
651         __le32          TMFSupportFlags;
652         u8              TMFTagMask[8];
653         u8              reserved[0x78 - 0x70];
654         __le32          misc_fw_support;                /* offset 0x78 */
655 #define                 MISC_FW_DOORBELL_RESET          0x02
656 #define                 MISC_FW_DOORBELL_RESET2         0x010
657 #define                 MISC_FW_RAID_OFFLOAD_BASIC      0x020
658 #define                 MISC_FW_EVENT_NOTIFY            0x080
659         u8              driver_version[32];
660         __le32          max_cached_write_size;
661         u8              driver_scratchpad[16];
662         __le32          max_error_info_length;
663         __le32          io_accel_max_embedded_sg_count;
664         __le32          io_accel_request_size_offset;
665         __le32          event_notify;
666 #define         HPSA_EVENT_NOTIFY_ACCEL_IO_PATH_STATE_CHANGE (1 << 30)
667 #define         HPSA_EVENT_NOTIFY_ACCEL_IO_PATH_CONFIG_CHANGE (1 << 31)
668         __le32          clear_event_notify;
669 };
670
671 #define NUM_BLOCKFETCH_ENTRIES 8
672 struct TransTable_struct {
673         __le32          BlockFetch[NUM_BLOCKFETCH_ENTRIES];
674         __le32          RepQSize;
675         __le32          RepQCount;
676         __le32          RepQCtrAddrLow32;
677         __le32          RepQCtrAddrHigh32;
678 #define MAX_REPLY_QUEUES 64
679         struct vals32  RepQAddr[MAX_REPLY_QUEUES];
680 };
681
682 struct hpsa_pci_info {
683         unsigned char   bus;
684         unsigned char   dev_fn;
685         unsigned short  domain;
686         u32             board_id;
687 };
688
689 struct bmic_identify_physical_device {
690         u8    scsi_bus;          /* SCSI Bus number on controller */
691         u8    scsi_id;           /* SCSI ID on this bus */
692         __le16 block_size;           /* sector size in bytes */
693         __le32 total_blocks;         /* number for sectors on drive */
694         __le32 reserved_blocks;   /* controller reserved (RIS) */
695         u8    model[40];         /* Physical Drive Model */
696         u8    serial_number[40]; /* Drive Serial Number */
697         u8    firmware_revision[8]; /* drive firmware revision */
698         u8    scsi_inquiry_bits; /* inquiry byte 7 bits */
699         u8    compaq_drive_stamp; /* 0 means drive not stamped */
700         u8    last_failure_reason;
701 #define BMIC_LAST_FAILURE_TOO_SMALL_IN_LOAD_CONFIG              0x01
702 #define BMIC_LAST_FAILURE_ERROR_ERASING_RIS                     0x02
703 #define BMIC_LAST_FAILURE_ERROR_SAVING_RIS                      0x03
704 #define BMIC_LAST_FAILURE_FAIL_DRIVE_COMMAND                    0x04
705 #define BMIC_LAST_FAILURE_MARK_BAD_FAILED                       0x05
706 #define BMIC_LAST_FAILURE_MARK_BAD_FAILED_IN_FINISH_REMAP       0x06
707 #define BMIC_LAST_FAILURE_TIMEOUT                               0x07
708 #define BMIC_LAST_FAILURE_AUTOSENSE_FAILED                      0x08
709 #define BMIC_LAST_FAILURE_MEDIUM_ERROR_1                        0x09
710 #define BMIC_LAST_FAILURE_MEDIUM_ERROR_2                        0x0a
711 #define BMIC_LAST_FAILURE_NOT_READY_BAD_SENSE                   0x0b
712 #define BMIC_LAST_FAILURE_NOT_READY                             0x0c
713 #define BMIC_LAST_FAILURE_HARDWARE_ERROR                        0x0d
714 #define BMIC_LAST_FAILURE_ABORTED_COMMAND                       0x0e
715 #define BMIC_LAST_FAILURE_WRITE_PROTECTED                       0x0f
716 #define BMIC_LAST_FAILURE_SPIN_UP_FAILURE_IN_RECOVER            0x10
717 #define BMIC_LAST_FAILURE_REBUILD_WRITE_ERROR                   0x11
718 #define BMIC_LAST_FAILURE_TOO_SMALL_IN_HOT_PLUG                 0x12
719 #define BMIC_LAST_FAILURE_BUS_RESET_RECOVERY_ABORTED            0x13
720 #define BMIC_LAST_FAILURE_REMOVED_IN_HOT_PLUG                   0x14
721 #define BMIC_LAST_FAILURE_INIT_REQUEST_SENSE_FAILED             0x15
722 #define BMIC_LAST_FAILURE_INIT_START_UNIT_FAILED                0x16
723 #define BMIC_LAST_FAILURE_INQUIRY_FAILED                        0x17
724 #define BMIC_LAST_FAILURE_NON_DISK_DEVICE                       0x18
725 #define BMIC_LAST_FAILURE_READ_CAPACITY_FAILED                  0x19
726 #define BMIC_LAST_FAILURE_INVALID_BLOCK_SIZE                    0x1a
727 #define BMIC_LAST_FAILURE_HOT_PLUG_REQUEST_SENSE_FAILED         0x1b
728 #define BMIC_LAST_FAILURE_HOT_PLUG_START_UNIT_FAILED            0x1c
729 #define BMIC_LAST_FAILURE_WRITE_ERROR_AFTER_REMAP               0x1d
730 #define BMIC_LAST_FAILURE_INIT_RESET_RECOVERY_ABORTED           0x1e
731 #define BMIC_LAST_FAILURE_DEFERRED_WRITE_ERROR                  0x1f
732 #define BMIC_LAST_FAILURE_MISSING_IN_SAVE_RIS                   0x20
733 #define BMIC_LAST_FAILURE_WRONG_REPLACE                         0x21
734 #define BMIC_LAST_FAILURE_GDP_VPD_INQUIRY_FAILED                0x22
735 #define BMIC_LAST_FAILURE_GDP_MODE_SENSE_FAILED                 0x23
736 #define BMIC_LAST_FAILURE_DRIVE_NOT_IN_48BIT_MODE               0x24
737 #define BMIC_LAST_FAILURE_DRIVE_TYPE_MIX_IN_HOT_PLUG            0x25
738 #define BMIC_LAST_FAILURE_DRIVE_TYPE_MIX_IN_LOAD_CFG            0x26
739 #define BMIC_LAST_FAILURE_PROTOCOL_ADAPTER_FAILED               0x27
740 #define BMIC_LAST_FAILURE_FAULTY_ID_BAY_EMPTY                   0x28
741 #define BMIC_LAST_FAILURE_FAULTY_ID_BAY_OCCUPIED                0x29
742 #define BMIC_LAST_FAILURE_FAULTY_ID_INVALID_BAY                 0x2a
743 #define BMIC_LAST_FAILURE_WRITE_RETRIES_FAILED                  0x2b
744
745 #define BMIC_LAST_FAILURE_SMART_ERROR_REPORTED                  0x37
746 #define BMIC_LAST_FAILURE_PHY_RESET_FAILED                      0x38
747 #define BMIC_LAST_FAILURE_ONLY_ONE_CTLR_CAN_SEE_DRIVE           0x40
748 #define BMIC_LAST_FAILURE_KC_VOLUME_FAILED                      0x41
749 #define BMIC_LAST_FAILURE_UNEXPECTED_REPLACEMENT                0x42
750 #define BMIC_LAST_FAILURE_OFFLINE_ERASE                         0x80
751 #define BMIC_LAST_FAILURE_OFFLINE_TOO_SMALL                     0x81
752 #define BMIC_LAST_FAILURE_OFFLINE_DRIVE_TYPE_MIX                0x82
753 #define BMIC_LAST_FAILURE_OFFLINE_ERASE_COMPLETE                0x83
754
755         u8     flags;
756         u8     more_flags;
757         u8     scsi_lun;          /* SCSI LUN for phys drive */
758         u8     yet_more_flags;
759         u8     even_more_flags;
760         __le32 spi_speed_rules;/* SPI Speed data:Ultra disable diagnose */
761         u8     phys_connector[2];         /* connector number on controller */
762         u8     phys_box_on_bus;  /* phys enclosure this drive resides */
763         u8     phys_bay_in_box;  /* phys drv bay this drive resides */
764         __le32 rpm;              /* Drive rotational speed in rpm */
765         u8     device_type;       /* type of drive */
766         u8     sata_version;     /* only valid when drive_type is SATA */
767         __le64 big_total_block_count;
768         __le64 ris_starting_lba;
769         __le32 ris_size;
770         u8     wwid[20];
771         u8     controller_phy_map[32];
772         __le16 phy_count;
773         u8     phy_connected_dev_type[256];
774         u8     phy_to_drive_bay_num[256];
775         __le16 phy_to_attached_dev_index[256];
776         u8     box_index;
777         u8     reserved;
778         __le16 extra_physical_drive_flags;
779 #define BMIC_PHYS_DRIVE_SUPPORTS_GAS_GAUGE(idphydrv) \
780         (idphydrv->extra_physical_drive_flags & (1 << 10))
781         u8     negotiated_link_rate[256];
782         u8     phy_to_phy_map[256];
783         u8     redundant_path_present_map;
784         u8     redundant_path_failure_map;
785         u8     active_path_number;
786         __le16 alternate_paths_phys_connector[8];
787         u8     alternate_paths_phys_box_on_port[8];
788         u8     multi_lun_device_lun_count;
789         u8     minimum_good_fw_revision[8];
790         u8     unique_inquiry_bytes[20];
791         u8     current_temperature_degreesC;
792         u8     temperature_threshold_degreesC;
793         u8     max_temperature_degreesC;
794         u8     logical_blocks_per_phys_block_exp; /* phyblocksize = 512*2^exp */
795         __le16 current_queue_depth_limit;
796         u8     switch_name[10];
797         __le16 switch_port;
798         u8     alternate_paths_switch_name[40];
799         u8     alternate_paths_switch_port[8];
800         __le16 power_on_hours; /* valid only if gas gauge supported */
801         __le16 percent_endurance_used; /* valid only if gas gauge supported. */
802 #define BMIC_PHYS_DRIVE_SSD_WEAROUT(idphydrv) \
803         ((idphydrv->percent_endurance_used & 0x80) || \
804          (idphydrv->percent_endurance_used > 10000))
805         u8     drive_authentication;
806 #define BMIC_PHYS_DRIVE_AUTHENTICATED(idphydrv) \
807         (idphydrv->drive_authentication == 0x80)
808         u8     smart_carrier_authentication;
809 #define BMIC_SMART_CARRIER_AUTHENTICATION_SUPPORTED(idphydrv) \
810         (idphydrv->smart_carrier_authentication != 0x0)
811 #define BMIC_SMART_CARRIER_AUTHENTICATED(idphydrv) \
812         (idphydrv->smart_carrier_authentication == 0x01)
813         u8     smart_carrier_app_fw_version;
814         u8     smart_carrier_bootloader_fw_version;
815         u8     encryption_key_name[64];
816         __le32 misc_drive_flags;
817         __le16 dek_index;
818         u8     padding[112];
819 };
820
821 #pragma pack()
822 #endif /* HPSA_CMD_H */