xref: /linux/drivers/scsi/hpsa_cmd.h (revision ca55b2fef3a9373fcfc30f82fd26bc7fccbda732)
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 #define NON_DISK_PHYS_DEV(x) ((x)[17] & 0x01)
264 #define PHYS_IOACCEL(x) ((x)[17] & 0x08)
265 	u8 lun_count; /* multi-lun device, how many luns */
266 	u8 redundant_paths;
267 	u32 ioaccel_handle; /* ioaccel1 only uses lower 16 bits */
268 };
269 
270 struct ReportExtendedLUNdata {
271 	u8 LUNListLength[4];
272 	u8 extended_response_flag;
273 	u8 reserved[3];
274 	struct ext_report_lun_entry LUN[HPSA_MAX_PHYS_LUN];
275 };
276 
277 struct SenseSubsystem_info {
278 	u8 reserved[36];
279 	u8 portname[8];
280 	u8 reserved1[1108];
281 };
282 
283 /* BMIC commands */
284 #define BMIC_READ 0x26
285 #define BMIC_WRITE 0x27
286 #define BMIC_CACHE_FLUSH 0xc2
287 #define HPSA_CACHE_FLUSH 0x01	/* C2 was already being used by HPSA */
288 #define BMIC_FLASH_FIRMWARE 0xF7
289 #define BMIC_SENSE_CONTROLLER_PARAMETERS 0x64
290 #define BMIC_IDENTIFY_PHYSICAL_DEVICE 0x15
291 
292 /* Command List Structure */
293 union SCSI3Addr {
294 	struct {
295 		u8 Dev;
296 		u8 Bus:6;
297 		u8 Mode:2;        /* b00 */
298 	} PeripDev;
299 	struct {
300 		u8 DevLSB;
301 		u8 DevMSB:6;
302 		u8 Mode:2;        /* b01 */
303 	} LogDev;
304 	struct {
305 		u8 Dev:5;
306 		u8 Bus:3;
307 		u8 Targ:6;
308 		u8 Mode:2;        /* b10 */
309 	} LogUnit;
310 };
311 
312 struct PhysDevAddr {
313 	u32             TargetId:24;
314 	u32             Bus:6;
315 	u32             Mode:2;
316 	/* 2 level target device addr */
317 	union SCSI3Addr  Target[2];
318 };
319 
320 struct LogDevAddr {
321 	u32            VolId:30;
322 	u32            Mode:2;
323 	u8             reserved[4];
324 };
325 
326 union LUNAddr {
327 	u8               LunAddrBytes[8];
328 	union SCSI3Addr    SCSI3Lun[4];
329 	struct PhysDevAddr PhysDev;
330 	struct LogDevAddr  LogDev;
331 };
332 
333 struct CommandListHeader {
334 	u8              ReplyQueue;
335 	u8              SGList;
336 	__le16          SGTotal;
337 	__le64		tag;
338 	union LUNAddr     LUN;
339 };
340 
341 struct RequestBlock {
342 	u8   CDBLen;
343 	/*
344 	 * type_attr_dir:
345 	 * type: low 3 bits
346 	 * attr: middle 3 bits
347 	 * dir: high 2 bits
348 	 */
349 	u8	type_attr_dir;
350 #define TYPE_ATTR_DIR(t, a, d) ((((d) & 0x03) << 6) |\
351 				(((a) & 0x07) << 3) |\
352 				((t) & 0x07))
353 #define GET_TYPE(tad) ((tad) & 0x07)
354 #define GET_ATTR(tad) (((tad) >> 3) & 0x07)
355 #define GET_DIR(tad) (((tad) >> 6) & 0x03)
356 	u16  Timeout;
357 	u8   CDB[16];
358 };
359 
360 struct ErrDescriptor {
361 	__le64 Addr;
362 	__le32 Len;
363 };
364 
365 struct SGDescriptor {
366 	__le64 Addr;
367 	__le32 Len;
368 	__le32 Ext;
369 };
370 
371 union MoreErrInfo {
372 	struct {
373 		u8  Reserved[3];
374 		u8  Type;
375 		u32 ErrorInfo;
376 	} Common_Info;
377 	struct {
378 		u8  Reserved[2];
379 		u8  offense_size; /* size of offending entry */
380 		u8  offense_num;  /* byte # of offense 0-base */
381 		u32 offense_value;
382 	} Invalid_Cmd;
383 };
384 struct ErrorInfo {
385 	u8               ScsiStatus;
386 	u8               SenseLen;
387 	u16              CommandStatus;
388 	u32              ResidualCnt;
389 	union MoreErrInfo  MoreErrInfo;
390 	u8               SenseInfo[SENSEINFOBYTES];
391 };
392 /* Command types */
393 #define CMD_IOCTL_PEND  0x01
394 #define CMD_SCSI	0x03
395 #define CMD_IOACCEL1	0x04
396 #define CMD_IOACCEL2	0x05
397 #define IOACCEL2_TMF	0x06
398 
399 #define DIRECT_LOOKUP_SHIFT 4
400 #define DIRECT_LOOKUP_MASK (~((1 << DIRECT_LOOKUP_SHIFT) - 1))
401 
402 #define HPSA_ERROR_BIT          0x02
403 struct ctlr_info; /* defined in hpsa.h */
404 /* The size of this structure needs to be divisible by 128
405  * on all architectures.  The low 4 bits of the addresses
406  * are used as follows:
407  *
408  * bit 0: to device, used to indicate "performant mode" command
409  *        from device, indidcates error status.
410  * bit 1-3: to device, indicates block fetch table entry for
411  *          reducing DMA in fetching commands from host memory.
412  */
413 
414 #define COMMANDLIST_ALIGNMENT 128
415 struct CommandList {
416 	struct CommandListHeader Header;
417 	struct RequestBlock      Request;
418 	struct ErrDescriptor     ErrDesc;
419 	struct SGDescriptor      SG[SG_ENTRIES_IN_CMD];
420 	/* information associated with the command */
421 	u32			   busaddr; /* physical addr of this record */
422 	struct ErrorInfo *err_info; /* pointer to the allocated mem */
423 	struct ctlr_info	   *h;
424 	int			   cmd_type;
425 	long			   cmdindex;
426 	struct completion *waiting;
427 	struct scsi_cmnd *scsi_cmd;
428 	struct work_struct work;
429 
430 	/*
431 	 * For commands using either of the two "ioaccel" paths to
432 	 * bypass the RAID stack and go directly to the physical disk
433 	 * phys_disk is a pointer to the hpsa_scsi_dev_t to which the
434 	 * i/o is destined.  We need to store that here because the command
435 	 * may potentially encounter TASK SET FULL and need to be resubmitted
436 	 * For "normal" i/o's not using the "ioaccel" paths, phys_disk is
437 	 * not used.
438 	 */
439 	struct hpsa_scsi_dev_t *phys_disk;
440 
441 	int abort_pending;
442 	struct hpsa_scsi_dev_t *reset_pending;
443 	atomic_t refcount; /* Must be last to avoid memset in hpsa_cmd_init() */
444 } __aligned(COMMANDLIST_ALIGNMENT);
445 
446 /* Max S/G elements in I/O accelerator command */
447 #define IOACCEL1_MAXSGENTRIES           24
448 #define IOACCEL2_MAXSGENTRIES		28
449 
450 /*
451  * Structure for I/O accelerator (mode 1) commands.
452  * Note that this structure must be 128-byte aligned in size.
453  */
454 #define IOACCEL1_COMMANDLIST_ALIGNMENT 128
455 struct io_accel1_cmd {
456 	__le16 dev_handle;		/* 0x00 - 0x01 */
457 	u8  reserved1;			/* 0x02 */
458 	u8  function;			/* 0x03 */
459 	u8  reserved2[8];		/* 0x04 - 0x0B */
460 	u32 err_info;			/* 0x0C - 0x0F */
461 	u8  reserved3[2];		/* 0x10 - 0x11 */
462 	u8  err_info_len;		/* 0x12 */
463 	u8  reserved4;			/* 0x13 */
464 	u8  sgl_offset;			/* 0x14 */
465 	u8  reserved5[7];		/* 0x15 - 0x1B */
466 	__le32 transfer_len;		/* 0x1C - 0x1F */
467 	u8  reserved6[4];		/* 0x20 - 0x23 */
468 	__le16 io_flags;		/* 0x24 - 0x25 */
469 	u8  reserved7[14];		/* 0x26 - 0x33 */
470 	u8  LUN[8];			/* 0x34 - 0x3B */
471 	__le32 control;			/* 0x3C - 0x3F */
472 	u8  CDB[16];			/* 0x40 - 0x4F */
473 	u8  reserved8[16];		/* 0x50 - 0x5F */
474 	__le16 host_context_flags;	/* 0x60 - 0x61 */
475 	__le16 timeout_sec;		/* 0x62 - 0x63 */
476 	u8  ReplyQueue;			/* 0x64 */
477 	u8  reserved9[3];		/* 0x65 - 0x67 */
478 	__le64 tag;			/* 0x68 - 0x6F */
479 	__le64 host_addr;		/* 0x70 - 0x77 */
480 	u8  CISS_LUN[8];		/* 0x78 - 0x7F */
481 	struct SGDescriptor SG[IOACCEL1_MAXSGENTRIES];
482 } __aligned(IOACCEL1_COMMANDLIST_ALIGNMENT);
483 
484 #define IOACCEL1_FUNCTION_SCSIIO        0x00
485 #define IOACCEL1_SGLOFFSET              32
486 
487 #define IOACCEL1_IOFLAGS_IO_REQ         0x4000
488 #define IOACCEL1_IOFLAGS_CDBLEN_MASK    0x001F
489 #define IOACCEL1_IOFLAGS_CDBLEN_MAX     16
490 
491 #define IOACCEL1_CONTROL_NODATAXFER     0x00000000
492 #define IOACCEL1_CONTROL_DATA_OUT       0x01000000
493 #define IOACCEL1_CONTROL_DATA_IN        0x02000000
494 #define IOACCEL1_CONTROL_TASKPRIO_MASK  0x00007800
495 #define IOACCEL1_CONTROL_TASKPRIO_SHIFT 11
496 #define IOACCEL1_CONTROL_SIMPLEQUEUE    0x00000000
497 #define IOACCEL1_CONTROL_HEADOFQUEUE    0x00000100
498 #define IOACCEL1_CONTROL_ORDEREDQUEUE   0x00000200
499 #define IOACCEL1_CONTROL_ACA            0x00000400
500 
501 #define IOACCEL1_HCFLAGS_CISS_FORMAT    0x0013
502 
503 #define IOACCEL1_BUSADDR_CMDTYPE        0x00000060
504 
505 struct ioaccel2_sg_element {
506 	__le64 address;
507 	__le32 length;
508 	u8 reserved[3];
509 	u8 chain_indicator;
510 #define IOACCEL2_CHAIN 0x80
511 };
512 
513 /*
514  * SCSI Response Format structure for IO Accelerator Mode 2
515  */
516 struct io_accel2_scsi_response {
517 	u8 IU_type;
518 #define IOACCEL2_IU_TYPE_SRF			0x60
519 	u8 reserved1[3];
520 	u8 req_id[4];		/* request identifier */
521 	u8 reserved2[4];
522 	u8 serv_response;		/* service response */
523 #define IOACCEL2_SERV_RESPONSE_COMPLETE		0x000
524 #define IOACCEL2_SERV_RESPONSE_FAILURE		0x001
525 #define IOACCEL2_SERV_RESPONSE_TMF_COMPLETE	0x002
526 #define IOACCEL2_SERV_RESPONSE_TMF_SUCCESS	0x003
527 #define IOACCEL2_SERV_RESPONSE_TMF_REJECTED	0x004
528 #define IOACCEL2_SERV_RESPONSE_TMF_WRONG_LUN	0x005
529 	u8 status;			/* status */
530 #define IOACCEL2_STATUS_SR_TASK_COMP_GOOD	0x00
531 #define IOACCEL2_STATUS_SR_TASK_COMP_CHK_COND	0x02
532 #define IOACCEL2_STATUS_SR_TASK_COMP_BUSY	0x08
533 #define IOACCEL2_STATUS_SR_TASK_COMP_RES_CON	0x18
534 #define IOACCEL2_STATUS_SR_TASK_COMP_SET_FULL	0x28
535 #define IOACCEL2_STATUS_SR_TASK_COMP_ABORTED	0x40
536 #define IOACCEL2_STATUS_SR_IOACCEL_DISABLED	0x0E
537 #define IOACCEL2_STATUS_SR_IO_ERROR		0x01
538 #define IOACCEL2_STATUS_SR_IO_ABORTED		0x02
539 #define IOACCEL2_STATUS_SR_NO_PATH_TO_DEVICE	0x03
540 #define IOACCEL2_STATUS_SR_INVALID_DEVICE	0x04
541 #define IOACCEL2_STATUS_SR_UNDERRUN		0x51
542 #define IOACCEL2_STATUS_SR_OVERRUN		0x75
543 	u8 data_present;		/* low 2 bits */
544 #define IOACCEL2_NO_DATAPRESENT		0x000
545 #define IOACCEL2_RESPONSE_DATAPRESENT	0x001
546 #define IOACCEL2_SENSE_DATA_PRESENT	0x002
547 #define IOACCEL2_RESERVED		0x003
548 	u8 sense_data_len;		/* sense/response data length */
549 	u8 resid_cnt[4];		/* residual count */
550 	u8 sense_data_buff[32];		/* sense/response data buffer */
551 };
552 
553 /*
554  * Structure for I/O accelerator (mode 2 or m2) commands.
555  * Note that this structure must be 128-byte aligned in size.
556  */
557 #define IOACCEL2_COMMANDLIST_ALIGNMENT 128
558 struct io_accel2_cmd {
559 	u8  IU_type;			/* IU Type */
560 	u8  direction;			/* direction, memtype, and encryption */
561 #define IOACCEL2_DIRECTION_MASK		0x03 /* bits 0,1: direction  */
562 #define IOACCEL2_DIRECTION_MEMTYPE_MASK	0x04 /* bit 2: memtype source/dest */
563 					     /*     0b=PCIe, 1b=DDR */
564 #define IOACCEL2_DIRECTION_ENCRYPT_MASK	0x08 /* bit 3: encryption flag */
565 					     /*     0=off, 1=on */
566 	u8  reply_queue;		/* Reply Queue ID */
567 	u8  reserved1;			/* Reserved */
568 	__le32 scsi_nexus;		/* Device Handle */
569 	__le32 Tag;			/* cciss tag, lower 4 bytes only */
570 	__le32 tweak_lower;		/* Encryption tweak, lower 4 bytes */
571 	u8  cdb[16];			/* SCSI Command Descriptor Block */
572 	u8  cciss_lun[8];		/* 8 byte SCSI address */
573 	__le32 data_len;		/* Total bytes to transfer */
574 	u8  cmd_priority_task_attr;	/* priority and task attrs */
575 #define IOACCEL2_PRIORITY_MASK 0x78
576 #define IOACCEL2_ATTR_MASK 0x07
577 	u8  sg_count;			/* Number of sg elements */
578 	__le16 dekindex;		/* Data encryption key index */
579 	__le64 err_ptr;			/* Error Pointer */
580 	__le32 err_len;			/* Error Length*/
581 	__le32 tweak_upper;		/* Encryption tweak, upper 4 bytes */
582 	struct ioaccel2_sg_element sg[IOACCEL2_MAXSGENTRIES];
583 	struct io_accel2_scsi_response error_data;
584 } __aligned(IOACCEL2_COMMANDLIST_ALIGNMENT);
585 
586 /*
587  * defines for Mode 2 command struct
588  * FIXME: this can't be all I need mfm
589  */
590 #define IOACCEL2_IU_TYPE	0x40
591 #define IOACCEL2_IU_TMF_TYPE	0x41
592 #define IOACCEL2_DIR_NO_DATA	0x00
593 #define IOACCEL2_DIR_DATA_IN	0x01
594 #define IOACCEL2_DIR_DATA_OUT	0x02
595 #define IOACCEL2_TMF_ABORT	0x01
596 /*
597  * SCSI Task Management Request format for Accelerator Mode 2
598  */
599 struct hpsa_tmf_struct {
600 	u8 iu_type;		/* Information Unit Type */
601 	u8 reply_queue;		/* Reply Queue ID */
602 	u8 tmf;			/* Task Management Function */
603 	u8 reserved1;		/* byte 3 Reserved */
604 	__le32 it_nexus;	/* SCSI I-T Nexus */
605 	u8 lun_id[8];		/* LUN ID for TMF request */
606 	__le64 tag;		/* cciss tag associated w/ request */
607 	__le64 abort_tag;	/* cciss tag of SCSI cmd or TMF to abort */
608 	__le64 error_ptr;		/* Error Pointer */
609 	__le32 error_len;		/* Error Length */
610 } __aligned(IOACCEL2_COMMANDLIST_ALIGNMENT);
611 
612 /* Configuration Table Structure */
613 struct HostWrite {
614 	__le32		TransportRequest;
615 	__le32		command_pool_addr_hi;
616 	__le32		CoalIntDelay;
617 	__le32		CoalIntCount;
618 };
619 
620 #define SIMPLE_MODE     0x02
621 #define PERFORMANT_MODE 0x04
622 #define MEMQ_MODE       0x08
623 #define IOACCEL_MODE_1  0x80
624 
625 #define DRIVER_SUPPORT_UA_ENABLE        0x00000001
626 
627 struct CfgTable {
628 	u8		Signature[4];
629 	__le32		SpecValence;
630 	__le32		TransportSupport;
631 	__le32		TransportActive;
632 	struct HostWrite HostWrite;
633 	__le32		CmdsOutMax;
634 	__le32		BusTypes;
635 	__le32		TransMethodOffset;
636 	u8		ServerName[16];
637 	__le32		HeartBeat;
638 	__le32		driver_support;
639 #define			ENABLE_SCSI_PREFETCH		0x100
640 #define			ENABLE_UNIT_ATTN		0x01
641 	__le32		MaxScatterGatherElements;
642 	__le32		MaxLogicalUnits;
643 	__le32		MaxPhysicalDevices;
644 	__le32		MaxPhysicalDrivesPerLogicalUnit;
645 	__le32		MaxPerformantModeCommands;
646 	__le32		MaxBlockFetch;
647 	__le32		PowerConservationSupport;
648 	__le32		PowerConservationEnable;
649 	__le32		TMFSupportFlags;
650 	u8		TMFTagMask[8];
651 	u8		reserved[0x78 - 0x70];
652 	__le32		misc_fw_support;		/* offset 0x78 */
653 #define			MISC_FW_DOORBELL_RESET		0x02
654 #define			MISC_FW_DOORBELL_RESET2		0x010
655 #define			MISC_FW_RAID_OFFLOAD_BASIC	0x020
656 #define			MISC_FW_EVENT_NOTIFY		0x080
657 	u8		driver_version[32];
658 	__le32		max_cached_write_size;
659 	u8		driver_scratchpad[16];
660 	__le32		max_error_info_length;
661 	__le32		io_accel_max_embedded_sg_count;
662 	__le32		io_accel_request_size_offset;
663 	__le32		event_notify;
664 #define		HPSA_EVENT_NOTIFY_ACCEL_IO_PATH_STATE_CHANGE (1 << 30)
665 #define		HPSA_EVENT_NOTIFY_ACCEL_IO_PATH_CONFIG_CHANGE (1 << 31)
666 	__le32		clear_event_notify;
667 };
668 
669 #define NUM_BLOCKFETCH_ENTRIES 8
670 struct TransTable_struct {
671 	__le32		BlockFetch[NUM_BLOCKFETCH_ENTRIES];
672 	__le32		RepQSize;
673 	__le32		RepQCount;
674 	__le32		RepQCtrAddrLow32;
675 	__le32		RepQCtrAddrHigh32;
676 #define MAX_REPLY_QUEUES 64
677 	struct vals32  RepQAddr[MAX_REPLY_QUEUES];
678 };
679 
680 struct hpsa_pci_info {
681 	unsigned char	bus;
682 	unsigned char	dev_fn;
683 	unsigned short	domain;
684 	u32		board_id;
685 };
686 
687 struct bmic_identify_physical_device {
688 	u8    scsi_bus;          /* SCSI Bus number on controller */
689 	u8    scsi_id;           /* SCSI ID on this bus */
690 	__le16 block_size;	     /* sector size in bytes */
691 	__le32 total_blocks;	     /* number for sectors on drive */
692 	__le32 reserved_blocks;   /* controller reserved (RIS) */
693 	u8    model[40];         /* Physical Drive Model */
694 	u8    serial_number[40]; /* Drive Serial Number */
695 	u8    firmware_revision[8]; /* drive firmware revision */
696 	u8    scsi_inquiry_bits; /* inquiry byte 7 bits */
697 	u8    compaq_drive_stamp; /* 0 means drive not stamped */
698 	u8    last_failure_reason;
699 #define BMIC_LAST_FAILURE_TOO_SMALL_IN_LOAD_CONFIG		0x01
700 #define BMIC_LAST_FAILURE_ERROR_ERASING_RIS			0x02
701 #define BMIC_LAST_FAILURE_ERROR_SAVING_RIS			0x03
702 #define BMIC_LAST_FAILURE_FAIL_DRIVE_COMMAND			0x04
703 #define BMIC_LAST_FAILURE_MARK_BAD_FAILED			0x05
704 #define BMIC_LAST_FAILURE_MARK_BAD_FAILED_IN_FINISH_REMAP	0x06
705 #define BMIC_LAST_FAILURE_TIMEOUT				0x07
706 #define BMIC_LAST_FAILURE_AUTOSENSE_FAILED			0x08
707 #define BMIC_LAST_FAILURE_MEDIUM_ERROR_1			0x09
708 #define BMIC_LAST_FAILURE_MEDIUM_ERROR_2			0x0a
709 #define BMIC_LAST_FAILURE_NOT_READY_BAD_SENSE			0x0b
710 #define BMIC_LAST_FAILURE_NOT_READY				0x0c
711 #define BMIC_LAST_FAILURE_HARDWARE_ERROR			0x0d
712 #define BMIC_LAST_FAILURE_ABORTED_COMMAND			0x0e
713 #define BMIC_LAST_FAILURE_WRITE_PROTECTED			0x0f
714 #define BMIC_LAST_FAILURE_SPIN_UP_FAILURE_IN_RECOVER		0x10
715 #define BMIC_LAST_FAILURE_REBUILD_WRITE_ERROR			0x11
716 #define BMIC_LAST_FAILURE_TOO_SMALL_IN_HOT_PLUG			0x12
717 #define BMIC_LAST_FAILURE_BUS_RESET_RECOVERY_ABORTED		0x13
718 #define BMIC_LAST_FAILURE_REMOVED_IN_HOT_PLUG			0x14
719 #define BMIC_LAST_FAILURE_INIT_REQUEST_SENSE_FAILED		0x15
720 #define BMIC_LAST_FAILURE_INIT_START_UNIT_FAILED		0x16
721 #define BMIC_LAST_FAILURE_INQUIRY_FAILED			0x17
722 #define BMIC_LAST_FAILURE_NON_DISK_DEVICE			0x18
723 #define BMIC_LAST_FAILURE_READ_CAPACITY_FAILED			0x19
724 #define BMIC_LAST_FAILURE_INVALID_BLOCK_SIZE			0x1a
725 #define BMIC_LAST_FAILURE_HOT_PLUG_REQUEST_SENSE_FAILED		0x1b
726 #define BMIC_LAST_FAILURE_HOT_PLUG_START_UNIT_FAILED		0x1c
727 #define BMIC_LAST_FAILURE_WRITE_ERROR_AFTER_REMAP		0x1d
728 #define BMIC_LAST_FAILURE_INIT_RESET_RECOVERY_ABORTED		0x1e
729 #define BMIC_LAST_FAILURE_DEFERRED_WRITE_ERROR			0x1f
730 #define BMIC_LAST_FAILURE_MISSING_IN_SAVE_RIS			0x20
731 #define BMIC_LAST_FAILURE_WRONG_REPLACE				0x21
732 #define BMIC_LAST_FAILURE_GDP_VPD_INQUIRY_FAILED		0x22
733 #define BMIC_LAST_FAILURE_GDP_MODE_SENSE_FAILED			0x23
734 #define BMIC_LAST_FAILURE_DRIVE_NOT_IN_48BIT_MODE		0x24
735 #define BMIC_LAST_FAILURE_DRIVE_TYPE_MIX_IN_HOT_PLUG		0x25
736 #define BMIC_LAST_FAILURE_DRIVE_TYPE_MIX_IN_LOAD_CFG		0x26
737 #define BMIC_LAST_FAILURE_PROTOCOL_ADAPTER_FAILED		0x27
738 #define BMIC_LAST_FAILURE_FAULTY_ID_BAY_EMPTY			0x28
739 #define BMIC_LAST_FAILURE_FAULTY_ID_BAY_OCCUPIED		0x29
740 #define BMIC_LAST_FAILURE_FAULTY_ID_INVALID_BAY			0x2a
741 #define BMIC_LAST_FAILURE_WRITE_RETRIES_FAILED			0x2b
742 
743 #define BMIC_LAST_FAILURE_SMART_ERROR_REPORTED			0x37
744 #define BMIC_LAST_FAILURE_PHY_RESET_FAILED			0x38
745 #define BMIC_LAST_FAILURE_ONLY_ONE_CTLR_CAN_SEE_DRIVE		0x40
746 #define BMIC_LAST_FAILURE_KC_VOLUME_FAILED			0x41
747 #define BMIC_LAST_FAILURE_UNEXPECTED_REPLACEMENT		0x42
748 #define BMIC_LAST_FAILURE_OFFLINE_ERASE				0x80
749 #define BMIC_LAST_FAILURE_OFFLINE_TOO_SMALL			0x81
750 #define BMIC_LAST_FAILURE_OFFLINE_DRIVE_TYPE_MIX		0x82
751 #define BMIC_LAST_FAILURE_OFFLINE_ERASE_COMPLETE		0x83
752 
753 	u8     flags;
754 	u8     more_flags;
755 	u8     scsi_lun;          /* SCSI LUN for phys drive */
756 	u8     yet_more_flags;
757 	u8     even_more_flags;
758 	__le32 spi_speed_rules;/* SPI Speed data:Ultra disable diagnose */
759 	u8     phys_connector[2];         /* connector number on controller */
760 	u8     phys_box_on_bus;  /* phys enclosure this drive resides */
761 	u8     phys_bay_in_box;  /* phys drv bay this drive resides */
762 	__le32 rpm;              /* Drive rotational speed in rpm */
763 	u8     device_type;       /* type of drive */
764 	u8     sata_version;     /* only valid when drive_type is SATA */
765 	__le64 big_total_block_count;
766 	__le64 ris_starting_lba;
767 	__le32 ris_size;
768 	u8     wwid[20];
769 	u8     controller_phy_map[32];
770 	__le16 phy_count;
771 	u8     phy_connected_dev_type[256];
772 	u8     phy_to_drive_bay_num[256];
773 	__le16 phy_to_attached_dev_index[256];
774 	u8     box_index;
775 	u8     reserved;
776 	__le16 extra_physical_drive_flags;
777 #define BMIC_PHYS_DRIVE_SUPPORTS_GAS_GAUGE(idphydrv) \
778 	(idphydrv->extra_physical_drive_flags & (1 << 10))
779 	u8     negotiated_link_rate[256];
780 	u8     phy_to_phy_map[256];
781 	u8     redundant_path_present_map;
782 	u8     redundant_path_failure_map;
783 	u8     active_path_number;
784 	__le16 alternate_paths_phys_connector[8];
785 	u8     alternate_paths_phys_box_on_port[8];
786 	u8     multi_lun_device_lun_count;
787 	u8     minimum_good_fw_revision[8];
788 	u8     unique_inquiry_bytes[20];
789 	u8     current_temperature_degreesC;
790 	u8     temperature_threshold_degreesC;
791 	u8     max_temperature_degreesC;
792 	u8     logical_blocks_per_phys_block_exp; /* phyblocksize = 512*2^exp */
793 	__le16 current_queue_depth_limit;
794 	u8     switch_name[10];
795 	__le16 switch_port;
796 	u8     alternate_paths_switch_name[40];
797 	u8     alternate_paths_switch_port[8];
798 	__le16 power_on_hours; /* valid only if gas gauge supported */
799 	__le16 percent_endurance_used; /* valid only if gas gauge supported. */
800 #define BMIC_PHYS_DRIVE_SSD_WEAROUT(idphydrv) \
801 	((idphydrv->percent_endurance_used & 0x80) || \
802 	 (idphydrv->percent_endurance_used > 10000))
803 	u8     drive_authentication;
804 #define BMIC_PHYS_DRIVE_AUTHENTICATED(idphydrv) \
805 	(idphydrv->drive_authentication == 0x80)
806 	u8     smart_carrier_authentication;
807 #define BMIC_SMART_CARRIER_AUTHENTICATION_SUPPORTED(idphydrv) \
808 	(idphydrv->smart_carrier_authentication != 0x0)
809 #define BMIC_SMART_CARRIER_AUTHENTICATED(idphydrv) \
810 	(idphydrv->smart_carrier_authentication == 0x01)
811 	u8     smart_carrier_app_fw_version;
812 	u8     smart_carrier_bootloader_fw_version;
813 	u8     encryption_key_name[64];
814 	__le32 misc_drive_flags;
815 	__le16 dek_index;
816 	u8     padding[112];
817 };
818 
819 #pragma pack()
820 #endif /* HPSA_CMD_H */
821