xref: /openbmc/linux/drivers/scsi/hpsa_cmd.h (revision 4ce94eab)
1 /*
2  *    Disk Array driver for HP Smart Array SAS controllers
3  *    Copyright (c) 2019-2020 Microchip Technology Inc. and its subsidiaries
4  *    Copyright 2016 Microsemi Corporation
5  *    Copyright 2014-2015 PMC-Sierra, Inc.
6  *    Copyright 2000,2009-2015 Hewlett-Packard Development Company, L.P.
7  *
8  *    This program is free software; you can redistribute it and/or modify
9  *    it under the terms of the GNU General Public License as published by
10  *    the Free Software Foundation; version 2 of the License.
11  *
12  *    This program is distributed in the hope that it will be useful,
13  *    but WITHOUT ANY WARRANTY; without even the implied warranty of
14  *    MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE, GOOD TITLE or
15  *    NON INFRINGEMENT.  See the GNU General Public License for more details.
16  *
17  *    Questions/Comments/Bugfixes to esc.storagedev@microsemi.com
18  *
19  */
20 #ifndef HPSA_CMD_H
21 #define HPSA_CMD_H
22 
23 /* general boundary defintions */
24 #define SENSEINFOBYTES          32 /* may vary between hbas */
25 #define SG_ENTRIES_IN_CMD	32 /* Max SG entries excluding chain blocks */
26 #define HPSA_SG_CHAIN		0x80000000
27 #define HPSA_SG_LAST		0x40000000
28 #define MAXREPLYQS              256
29 
30 /* Command Status value */
31 #define CMD_SUCCESS             0x0000
32 #define CMD_TARGET_STATUS       0x0001
33 #define CMD_DATA_UNDERRUN       0x0002
34 #define CMD_DATA_OVERRUN        0x0003
35 #define CMD_INVALID             0x0004
36 #define CMD_PROTOCOL_ERR        0x0005
37 #define CMD_HARDWARE_ERR        0x0006
38 #define CMD_CONNECTION_LOST     0x0007
39 #define CMD_ABORTED             0x0008
40 #define CMD_ABORT_FAILED        0x0009
41 #define CMD_UNSOLICITED_ABORT   0x000A
42 #define CMD_TIMEOUT             0x000B
43 #define CMD_UNABORTABLE		0x000C
44 #define CMD_TMF_STATUS		0x000D
45 #define CMD_IOACCEL_DISABLED	0x000E
46 #define CMD_CTLR_LOCKUP		0xffff
47 /* Note: CMD_CTLR_LOCKUP is not a value defined by the CISS spec
48  * it is a value defined by the driver that commands can be marked
49  * with when a controller lockup has been detected by the driver
50  */
51 
52 /* TMF function status values */
53 #define CISS_TMF_COMPLETE	0x00
54 #define CISS_TMF_INVALID_FRAME	0x02
55 #define CISS_TMF_NOT_SUPPORTED	0x04
56 #define CISS_TMF_FAILED		0x05
57 #define CISS_TMF_SUCCESS	0x08
58 #define CISS_TMF_WRONG_LUN	0x09
59 #define CISS_TMF_OVERLAPPED_TAG 0x0a
60 
61 /* Unit Attentions ASC's as defined for the MSA2012sa */
62 #define POWER_OR_RESET			0x29
63 #define STATE_CHANGED			0x2a
64 #define UNIT_ATTENTION_CLEARED		0x2f
65 #define LUN_FAILED			0x3e
66 #define REPORT_LUNS_CHANGED		0x3f
67 
68 /* Unit Attentions ASCQ's as defined for the MSA2012sa */
69 
70 	/* These ASCQ's defined for ASC = POWER_OR_RESET */
71 #define POWER_ON_RESET			0x00
72 #define POWER_ON_REBOOT			0x01
73 #define SCSI_BUS_RESET			0x02
74 #define MSA_TARGET_RESET		0x03
75 #define CONTROLLER_FAILOVER		0x04
76 #define TRANSCEIVER_SE			0x05
77 #define TRANSCEIVER_LVD			0x06
78 
79 	/* These ASCQ's defined for ASC = STATE_CHANGED */
80 #define RESERVATION_PREEMPTED		0x03
81 #define ASYM_ACCESS_CHANGED		0x06
82 #define LUN_CAPACITY_CHANGED		0x09
83 
84 /* transfer direction */
85 #define XFER_NONE               0x00
86 #define XFER_WRITE              0x01
87 #define XFER_READ               0x02
88 #define XFER_RSVD               0x03
89 
90 /* task attribute */
91 #define ATTR_UNTAGGED           0x00
92 #define ATTR_SIMPLE             0x04
93 #define ATTR_HEADOFQUEUE        0x05
94 #define ATTR_ORDERED            0x06
95 #define ATTR_ACA                0x07
96 
97 /* cdb type */
98 #define TYPE_CMD		0x00
99 #define TYPE_MSG		0x01
100 #define TYPE_IOACCEL2_CMD	0x81 /* 0x81 is not used by hardware */
101 
102 /* Message Types  */
103 #define HPSA_TASK_MANAGEMENT    0x00
104 #define HPSA_RESET              0x01
105 #define HPSA_SCAN               0x02
106 #define HPSA_NOOP               0x03
107 
108 #define HPSA_CTLR_RESET_TYPE    0x00
109 #define HPSA_BUS_RESET_TYPE     0x01
110 #define HPSA_TARGET_RESET_TYPE  0x03
111 #define HPSA_LUN_RESET_TYPE     0x04
112 #define HPSA_NEXUS_RESET_TYPE   0x05
113 
114 /* Task Management Functions */
115 #define HPSA_TMF_ABORT_TASK     0x00
116 #define HPSA_TMF_ABORT_TASK_SET 0x01
117 #define HPSA_TMF_CLEAR_ACA      0x02
118 #define HPSA_TMF_CLEAR_TASK_SET 0x03
119 #define HPSA_TMF_QUERY_TASK     0x04
120 #define HPSA_TMF_QUERY_TASK_SET 0x05
121 #define HPSA_TMF_QUERY_ASYNCEVENT 0x06
122 
123 
124 
125 /* config space register offsets */
126 #define CFG_VENDORID            0x00
127 #define CFG_DEVICEID            0x02
128 #define CFG_I2OBAR              0x10
129 #define CFG_MEM1BAR             0x14
130 
131 /* i2o space register offsets */
132 #define I2O_IBDB_SET            0x20
133 #define I2O_IBDB_CLEAR          0x70
134 #define I2O_INT_STATUS          0x30
135 #define I2O_INT_MASK            0x34
136 #define I2O_IBPOST_Q            0x40
137 #define I2O_OBPOST_Q            0x44
138 #define I2O_DMA1_CFG		0x214
139 
140 /* Configuration Table */
141 #define CFGTBL_ChangeReq        0x00000001l
142 #define CFGTBL_AccCmds          0x00000001l
143 #define DOORBELL_CTLR_RESET	0x00000004l
144 #define DOORBELL_CTLR_RESET2	0x00000020l
145 #define DOORBELL_CLEAR_EVENTS	0x00000040l
146 #define DOORBELL_GENERATE_CHKPT	0x00000080l
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_INQUIRY_FAILED		0x02
162 #define HPSA_VPD_SUPPORTED_PAGES        0x00
163 #define HPSA_VPD_LV_DEVICE_ID           0x83
164 #define HPSA_VPD_LV_DEVICE_GEOMETRY     0xC1
165 #define HPSA_VPD_LV_IOACCEL_STATUS      0xC2
166 #define HPSA_VPD_LV_STATUS		0xC3
167 #define HPSA_VPD_HEADER_SZ              4
168 
169 /* Logical volume states */
170 #define HPSA_VPD_LV_STATUS_UNSUPPORTED			0xff
171 #define HPSA_LV_OK                                      0x0
172 #define HPSA_LV_FAILED					0x01
173 #define HPSA_LV_NOT_AVAILABLE				0x0b
174 #define HPSA_LV_UNDERGOING_ERASE			0x0F
175 #define HPSA_LV_UNDERGOING_RPI				0x12
176 #define HPSA_LV_PENDING_RPI				0x13
177 #define HPSA_LV_ENCRYPTED_NO_KEY			0x14
178 #define HPSA_LV_PLAINTEXT_IN_ENCRYPT_ONLY_CONTROLLER	0x15
179 #define HPSA_LV_UNDERGOING_ENCRYPTION			0x16
180 #define HPSA_LV_UNDERGOING_ENCRYPTION_REKEYING		0x17
181 #define HPSA_LV_ENCRYPTED_IN_NON_ENCRYPTED_CONTROLLER	0x18
182 #define HPSA_LV_PENDING_ENCRYPTION			0x19
183 #define HPSA_LV_PENDING_ENCRYPTION_REKEYING		0x1A
184 
185 struct vals32 {
186 	u32   lower;
187 	u32   upper;
188 };
189 
190 union u64bit {
191 	struct vals32 val32;
192 	u64 val;
193 };
194 
195 /* FIXME this is a per controller value (barf!) */
196 #define HPSA_MAX_LUN 1024
197 #define HPSA_MAX_PHYS_LUN 1024
198 #define MAX_EXT_TARGETS 32
199 #define HPSA_MAX_DEVICES (HPSA_MAX_PHYS_LUN + HPSA_MAX_LUN + \
200 	MAX_EXT_TARGETS + 1) /* + 1 is for the controller itself */
201 
202 /* SCSI-3 Commands */
203 #pragma pack(1)
204 
205 #define HPSA_INQUIRY 0x12
206 struct InquiryData {
207 	u8 data_byte[36];
208 };
209 
210 #define HPSA_REPORT_LOG 0xc2    /* Report Logical LUNs */
211 #define HPSA_REPORT_PHYS 0xc3   /* Report Physical LUNs */
212 #define HPSA_REPORT_PHYS_EXTENDED 0x02
213 #define HPSA_CISS_READ	0xc0	/* CISS Read */
214 #define HPSA_GET_RAID_MAP 0xc8	/* CISS Get RAID Layout Map */
215 
216 #define RAID_MAP_MAX_ENTRIES   256
217 
218 struct raid_map_disk_data {
219 	u32   ioaccel_handle;         /**< Handle to access this disk via the
220 					*  I/O accelerator */
221 	u8    xor_mult[2];            /**< XOR multipliers for this position,
222 					*  valid for data disks only */
223 	u8    reserved[2];
224 };
225 
226 struct raid_map_data {
227 	__le32   structure_size;	/* Size of entire structure in bytes */
228 	__le32   volume_blk_size;	/* bytes / block in the volume */
229 	__le64   volume_blk_cnt;	/* logical blocks on the volume */
230 	u8    phys_blk_shift;		/* Shift factor to convert between
231 					 * units of logical blocks and physical
232 					 * disk blocks */
233 	u8    parity_rotation_shift;	/* Shift factor to convert between units
234 					 * of logical stripes and physical
235 					 * stripes */
236 	__le16   strip_size;		/* blocks used on each disk / stripe */
237 	__le64   disk_starting_blk;	/* First disk block used in volume */
238 	__le64   disk_blk_cnt;		/* disk blocks used by volume / disk */
239 	__le16   data_disks_per_row;	/* data disk entries / row in the map */
240 	__le16   metadata_disks_per_row;/* mirror/parity disk entries / row
241 					 * in the map */
242 	__le16   row_cnt;		/* rows in each layout map */
243 	__le16   layout_map_count;	/* layout maps (1 map per mirror/parity
244 					 * group) */
245 	__le16   flags;			/* Bit 0 set if encryption enabled */
246 #define RAID_MAP_FLAG_ENCRYPT_ON  0x01
247 	__le16   dekindex;		/* Data encryption key index. */
248 	u8    reserved[16];
249 	struct raid_map_disk_data data[RAID_MAP_MAX_ENTRIES];
250 };
251 
252 struct ReportLUNdata {
253 	u8 LUNListLength[4];
254 	u8 extended_response_flag;
255 	u8 reserved[3];
256 	u8 LUN[HPSA_MAX_LUN][8];
257 };
258 
259 struct ext_report_lun_entry {
260 	u8 lunid[8];
261 #define MASKED_DEVICE(x) ((x)[3] & 0xC0)
262 #define GET_BMIC_BUS(lunid) ((lunid)[7] & 0x3F)
263 #define GET_BMIC_LEVEL_TWO_TARGET(lunid) ((lunid)[6])
264 #define GET_BMIC_DRIVE_NUMBER(lunid) (((GET_BMIC_BUS((lunid)) - 1) << 8) + \
265 			GET_BMIC_LEVEL_TWO_TARGET((lunid)))
266 	u8 wwid[8];
267 	u8 device_type;
268 	u8 device_flags;
269 	u8 lun_count; /* multi-lun device, how many luns */
270 	u8 redundant_paths;
271 	u32 ioaccel_handle; /* ioaccel1 only uses lower 16 bits */
272 };
273 
274 struct ReportExtendedLUNdata {
275 	u8 LUNListLength[4];
276 	u8 extended_response_flag;
277 	u8 reserved[3];
278 	struct ext_report_lun_entry LUN[HPSA_MAX_PHYS_LUN];
279 };
280 
281 struct SenseSubsystem_info {
282 	u8 reserved[36];
283 	u8 portname[8];
284 	u8 reserved1[1108];
285 };
286 
287 /* BMIC commands */
288 #define BMIC_READ 0x26
289 #define BMIC_WRITE 0x27
290 #define BMIC_CACHE_FLUSH 0xc2
291 #define HPSA_CACHE_FLUSH 0x01	/* C2 was already being used by HPSA */
292 #define BMIC_FLASH_FIRMWARE 0xF7
293 #define BMIC_SENSE_CONTROLLER_PARAMETERS 0x64
294 #define BMIC_IDENTIFY_PHYSICAL_DEVICE 0x15
295 #define BMIC_IDENTIFY_CONTROLLER 0x11
296 #define BMIC_SET_DIAG_OPTIONS 0xF4
297 #define BMIC_SENSE_DIAG_OPTIONS 0xF5
298 #define HPSA_DIAG_OPTS_DISABLE_RLD_CACHING 0x80000000
299 #define BMIC_SENSE_SUBSYSTEM_INFORMATION 0x66
300 #define BMIC_SENSE_STORAGE_BOX_PARAMS 0x65
301 
302 /* Command List Structure */
303 union SCSI3Addr {
304 	struct {
305 		u8 Dev;
306 		u8 Bus:6;
307 		u8 Mode:2;        /* b00 */
308 	} PeripDev;
309 	struct {
310 		u8 DevLSB;
311 		u8 DevMSB:6;
312 		u8 Mode:2;        /* b01 */
313 	} LogDev;
314 	struct {
315 		u8 Dev:5;
316 		u8 Bus:3;
317 		u8 Targ:6;
318 		u8 Mode:2;        /* b10 */
319 	} LogUnit;
320 };
321 
322 struct PhysDevAddr {
323 	u32             TargetId:24;
324 	u32             Bus:6;
325 	u32             Mode:2;
326 	/* 2 level target device addr */
327 	union SCSI3Addr  Target[2];
328 };
329 
330 struct LogDevAddr {
331 	u32            VolId:30;
332 	u32            Mode:2;
333 	u8             reserved[4];
334 };
335 
336 union LUNAddr {
337 	u8               LunAddrBytes[8];
338 	union SCSI3Addr    SCSI3Lun[4];
339 	struct PhysDevAddr PhysDev;
340 	struct LogDevAddr  LogDev;
341 };
342 
343 struct CommandListHeader {
344 	u8              ReplyQueue;
345 	u8              SGList;
346 	__le16          SGTotal;
347 	__le64		tag;
348 	union LUNAddr     LUN;
349 };
350 
351 struct RequestBlock {
352 	u8   CDBLen;
353 	/*
354 	 * type_attr_dir:
355 	 * type: low 3 bits
356 	 * attr: middle 3 bits
357 	 * dir: high 2 bits
358 	 */
359 	u8	type_attr_dir;
360 #define TYPE_ATTR_DIR(t, a, d) ((((d) & 0x03) << 6) |\
361 				(((a) & 0x07) << 3) |\
362 				((t) & 0x07))
363 #define GET_TYPE(tad) ((tad) & 0x07)
364 #define GET_ATTR(tad) (((tad) >> 3) & 0x07)
365 #define GET_DIR(tad) (((tad) >> 6) & 0x03)
366 	u16  Timeout;
367 	u8   CDB[16];
368 };
369 
370 struct ErrDescriptor {
371 	__le64 Addr;
372 	__le32 Len;
373 };
374 
375 struct SGDescriptor {
376 	__le64 Addr;
377 	__le32 Len;
378 	__le32 Ext;
379 };
380 
381 union MoreErrInfo {
382 	struct {
383 		u8  Reserved[3];
384 		u8  Type;
385 		u32 ErrorInfo;
386 	} Common_Info;
387 	struct {
388 		u8  Reserved[2];
389 		u8  offense_size; /* size of offending entry */
390 		u8  offense_num;  /* byte # of offense 0-base */
391 		u32 offense_value;
392 	} Invalid_Cmd;
393 };
394 struct ErrorInfo {
395 	u8               ScsiStatus;
396 	u8               SenseLen;
397 	u16              CommandStatus;
398 	u32              ResidualCnt;
399 	union MoreErrInfo  MoreErrInfo;
400 	u8               SenseInfo[SENSEINFOBYTES];
401 };
402 /* Command types */
403 #define CMD_IOCTL_PEND  0x01
404 #define CMD_SCSI	0x03
405 #define CMD_IOACCEL1	0x04
406 #define CMD_IOACCEL2	0x05
407 #define IOACCEL2_TMF	0x06
408 
409 #define DIRECT_LOOKUP_SHIFT 4
410 #define DIRECT_LOOKUP_MASK (~((1 << DIRECT_LOOKUP_SHIFT) - 1))
411 
412 #define HPSA_ERROR_BIT          0x02
413 struct ctlr_info; /* defined in hpsa.h */
414 /* The size of this structure needs to be divisible by 128
415  * on all architectures.  The low 4 bits of the addresses
416  * are used as follows:
417  *
418  * bit 0: to device, used to indicate "performant mode" command
419  *        from device, indidcates error status.
420  * bit 1-3: to device, indicates block fetch table entry for
421  *          reducing DMA in fetching commands from host memory.
422  */
423 
424 #define COMMANDLIST_ALIGNMENT 128
425 struct CommandList {
426 	struct CommandListHeader Header;
427 	struct RequestBlock      Request;
428 	struct ErrDescriptor     ErrDesc;
429 	struct SGDescriptor      SG[SG_ENTRIES_IN_CMD];
430 	/* information associated with the command */
431 	u32			   busaddr; /* physical addr of this record */
432 	struct ErrorInfo *err_info; /* pointer to the allocated mem */
433 	struct ctlr_info	   *h;
434 	int			   cmd_type;
435 	long			   cmdindex;
436 	struct completion *waiting;
437 	struct scsi_cmnd *scsi_cmd;
438 	struct work_struct work;
439 
440 	/*
441 	 * For commands using either of the two "ioaccel" paths to
442 	 * bypass the RAID stack and go directly to the physical disk
443 	 * phys_disk is a pointer to the hpsa_scsi_dev_t to which the
444 	 * i/o is destined.  We need to store that here because the command
445 	 * may potentially encounter TASK SET FULL and need to be resubmitted
446 	 * For "normal" i/o's not using the "ioaccel" paths, phys_disk is
447 	 * not used.
448 	 */
449 	struct hpsa_scsi_dev_t *phys_disk;
450 
451 	bool retry_pending;
452 	struct hpsa_scsi_dev_t *device;
453 	atomic_t refcount; /* Must be last to avoid memset in hpsa_cmd_init() */
454 } __aligned(COMMANDLIST_ALIGNMENT);
455 
456 /* Max S/G elements in I/O accelerator command */
457 #define IOACCEL1_MAXSGENTRIES           24
458 #define IOACCEL2_MAXSGENTRIES		28
459 
460 /*
461  * Structure for I/O accelerator (mode 1) commands.
462  * Note that this structure must be 128-byte aligned in size.
463  */
464 #define IOACCEL1_COMMANDLIST_ALIGNMENT 128
465 struct io_accel1_cmd {
466 	__le16 dev_handle;		/* 0x00 - 0x01 */
467 	u8  reserved1;			/* 0x02 */
468 	u8  function;			/* 0x03 */
469 	u8  reserved2[8];		/* 0x04 - 0x0B */
470 	u32 err_info;			/* 0x0C - 0x0F */
471 	u8  reserved3[2];		/* 0x10 - 0x11 */
472 	u8  err_info_len;		/* 0x12 */
473 	u8  reserved4;			/* 0x13 */
474 	u8  sgl_offset;			/* 0x14 */
475 	u8  reserved5[7];		/* 0x15 - 0x1B */
476 	__le32 transfer_len;		/* 0x1C - 0x1F */
477 	u8  reserved6[4];		/* 0x20 - 0x23 */
478 	__le16 io_flags;		/* 0x24 - 0x25 */
479 	u8  reserved7[14];		/* 0x26 - 0x33 */
480 	u8  LUN[8];			/* 0x34 - 0x3B */
481 	__le32 control;			/* 0x3C - 0x3F */
482 	u8  CDB[16];			/* 0x40 - 0x4F */
483 	u8  reserved8[16];		/* 0x50 - 0x5F */
484 	__le16 host_context_flags;	/* 0x60 - 0x61 */
485 	__le16 timeout_sec;		/* 0x62 - 0x63 */
486 	u8  ReplyQueue;			/* 0x64 */
487 	u8  reserved9[3];		/* 0x65 - 0x67 */
488 	__le64 tag;			/* 0x68 - 0x6F */
489 	__le64 host_addr;		/* 0x70 - 0x77 */
490 	u8  CISS_LUN[8];		/* 0x78 - 0x7F */
491 	struct SGDescriptor SG[IOACCEL1_MAXSGENTRIES];
492 } __aligned(IOACCEL1_COMMANDLIST_ALIGNMENT);
493 
494 #define IOACCEL1_FUNCTION_SCSIIO        0x00
495 #define IOACCEL1_SGLOFFSET              32
496 
497 #define IOACCEL1_IOFLAGS_IO_REQ         0x4000
498 #define IOACCEL1_IOFLAGS_CDBLEN_MASK    0x001F
499 #define IOACCEL1_IOFLAGS_CDBLEN_MAX     16
500 
501 #define IOACCEL1_CONTROL_NODATAXFER     0x00000000
502 #define IOACCEL1_CONTROL_DATA_OUT       0x01000000
503 #define IOACCEL1_CONTROL_DATA_IN        0x02000000
504 #define IOACCEL1_CONTROL_TASKPRIO_MASK  0x00007800
505 #define IOACCEL1_CONTROL_TASKPRIO_SHIFT 11
506 #define IOACCEL1_CONTROL_SIMPLEQUEUE    0x00000000
507 #define IOACCEL1_CONTROL_HEADOFQUEUE    0x00000100
508 #define IOACCEL1_CONTROL_ORDEREDQUEUE   0x00000200
509 #define IOACCEL1_CONTROL_ACA            0x00000400
510 
511 #define IOACCEL1_HCFLAGS_CISS_FORMAT    0x0013
512 
513 #define IOACCEL1_BUSADDR_CMDTYPE        0x00000060
514 
515 struct ioaccel2_sg_element {
516 	__le64 address;
517 	__le32 length;
518 	u8 reserved[3];
519 	u8 chain_indicator;
520 #define IOACCEL2_CHAIN 0x80
521 #define IOACCEL2_LAST_SG 0x40
522 };
523 
524 /*
525  * SCSI Response Format structure for IO Accelerator Mode 2
526  */
527 struct io_accel2_scsi_response {
528 	u8 IU_type;
529 #define IOACCEL2_IU_TYPE_SRF			0x60
530 	u8 reserved1[3];
531 	u8 req_id[4];		/* request identifier */
532 	u8 reserved2[4];
533 	u8 serv_response;		/* service response */
534 #define IOACCEL2_SERV_RESPONSE_COMPLETE		0x000
535 #define IOACCEL2_SERV_RESPONSE_FAILURE		0x001
536 #define IOACCEL2_SERV_RESPONSE_TMF_COMPLETE	0x002
537 #define IOACCEL2_SERV_RESPONSE_TMF_SUCCESS	0x003
538 #define IOACCEL2_SERV_RESPONSE_TMF_REJECTED	0x004
539 #define IOACCEL2_SERV_RESPONSE_TMF_WRONG_LUN	0x005
540 	u8 status;			/* status */
541 #define IOACCEL2_STATUS_SR_TASK_COMP_GOOD	0x00
542 #define IOACCEL2_STATUS_SR_TASK_COMP_CHK_COND	0x02
543 #define IOACCEL2_STATUS_SR_TASK_COMP_BUSY	0x08
544 #define IOACCEL2_STATUS_SR_TASK_COMP_RES_CON	0x18
545 #define IOACCEL2_STATUS_SR_TASK_COMP_SET_FULL	0x28
546 #define IOACCEL2_STATUS_SR_TASK_COMP_ABORTED	0x40
547 #define IOACCEL2_STATUS_SR_IOACCEL_DISABLED	0x0E
548 #define IOACCEL2_STATUS_SR_IO_ERROR		0x01
549 #define IOACCEL2_STATUS_SR_IO_ABORTED		0x02
550 #define IOACCEL2_STATUS_SR_NO_PATH_TO_DEVICE	0x03
551 #define IOACCEL2_STATUS_SR_INVALID_DEVICE	0x04
552 #define IOACCEL2_STATUS_SR_UNDERRUN		0x51
553 #define IOACCEL2_STATUS_SR_OVERRUN		0x75
554 	u8 data_present;		/* low 2 bits */
555 #define IOACCEL2_NO_DATAPRESENT		0x000
556 #define IOACCEL2_RESPONSE_DATAPRESENT	0x001
557 #define IOACCEL2_SENSE_DATA_PRESENT	0x002
558 #define IOACCEL2_RESERVED		0x003
559 	u8 sense_data_len;		/* sense/response data length */
560 	u8 resid_cnt[4];		/* residual count */
561 	u8 sense_data_buff[32];		/* sense/response data buffer */
562 };
563 
564 /*
565  * Structure for I/O accelerator (mode 2 or m2) commands.
566  * Note that this structure must be 128-byte aligned in size.
567  */
568 #define IOACCEL2_COMMANDLIST_ALIGNMENT 128
569 struct io_accel2_cmd {
570 	u8  IU_type;			/* IU Type */
571 	u8  direction;			/* direction, memtype, and encryption */
572 #define IOACCEL2_DIRECTION_MASK		0x03 /* bits 0,1: direction  */
573 #define IOACCEL2_DIRECTION_MEMTYPE_MASK	0x04 /* bit 2: memtype source/dest */
574 					     /*     0b=PCIe, 1b=DDR */
575 #define IOACCEL2_DIRECTION_ENCRYPT_MASK	0x08 /* bit 3: encryption flag */
576 					     /*     0=off, 1=on */
577 	u8  reply_queue;		/* Reply Queue ID */
578 	u8  reserved1;			/* Reserved */
579 	__le32 scsi_nexus;		/* Device Handle */
580 	__le32 Tag;			/* cciss tag, lower 4 bytes only */
581 	__le32 tweak_lower;		/* Encryption tweak, lower 4 bytes */
582 	u8  cdb[16];			/* SCSI Command Descriptor Block */
583 	u8  cciss_lun[8];		/* 8 byte SCSI address */
584 	__le32 data_len;		/* Total bytes to transfer */
585 	u8  cmd_priority_task_attr;	/* priority and task attrs */
586 #define IOACCEL2_PRIORITY_MASK 0x78
587 #define IOACCEL2_ATTR_MASK 0x07
588 	u8  sg_count;			/* Number of sg elements */
589 	__le16 dekindex;		/* Data encryption key index */
590 	__le64 err_ptr;			/* Error Pointer */
591 	__le32 err_len;			/* Error Length*/
592 	__le32 tweak_upper;		/* Encryption tweak, upper 4 bytes */
593 	struct ioaccel2_sg_element sg[IOACCEL2_MAXSGENTRIES];
594 	struct io_accel2_scsi_response error_data;
595 } __aligned(IOACCEL2_COMMANDLIST_ALIGNMENT);
596 
597 /*
598  * defines for Mode 2 command struct
599  * FIXME: this can't be all I need mfm
600  */
601 #define IOACCEL2_IU_TYPE	0x40
602 #define IOACCEL2_IU_TMF_TYPE	0x41
603 #define IOACCEL2_DIR_NO_DATA	0x00
604 #define IOACCEL2_DIR_DATA_IN	0x01
605 #define IOACCEL2_DIR_DATA_OUT	0x02
606 #define IOACCEL2_TMF_ABORT	0x01
607 /*
608  * SCSI Task Management Request format for Accelerator Mode 2
609  */
610 struct hpsa_tmf_struct {
611 	u8 iu_type;		/* Information Unit Type */
612 	u8 reply_queue;		/* Reply Queue ID */
613 	u8 tmf;			/* Task Management Function */
614 	u8 reserved1;		/* byte 3 Reserved */
615 	__le32 it_nexus;	/* SCSI I-T Nexus */
616 	u8 lun_id[8];		/* LUN ID for TMF request */
617 	__le64 tag;		/* cciss tag associated w/ request */
618 	__le64 abort_tag;	/* cciss tag of SCSI cmd or TMF to abort */
619 	__le64 error_ptr;		/* Error Pointer */
620 	__le32 error_len;		/* Error Length */
621 } __aligned(IOACCEL2_COMMANDLIST_ALIGNMENT);
622 
623 /* Configuration Table Structure */
624 struct HostWrite {
625 	__le32		TransportRequest;
626 	__le32		command_pool_addr_hi;
627 	__le32		CoalIntDelay;
628 	__le32		CoalIntCount;
629 };
630 
631 #define SIMPLE_MODE     0x02
632 #define PERFORMANT_MODE 0x04
633 #define MEMQ_MODE       0x08
634 #define IOACCEL_MODE_1  0x80
635 
636 #define DRIVER_SUPPORT_UA_ENABLE        0x00000001
637 
638 struct CfgTable {
639 	u8		Signature[4];
640 	__le32		SpecValence;
641 	__le32		TransportSupport;
642 	__le32		TransportActive;
643 	struct HostWrite HostWrite;
644 	__le32		CmdsOutMax;
645 	__le32		BusTypes;
646 	__le32		TransMethodOffset;
647 	u8		ServerName[16];
648 	__le32		HeartBeat;
649 	__le32		driver_support;
650 #define			ENABLE_SCSI_PREFETCH		0x100
651 #define			ENABLE_UNIT_ATTN		0x01
652 	__le32		MaxScatterGatherElements;
653 	__le32		MaxLogicalUnits;
654 	__le32		MaxPhysicalDevices;
655 	__le32		MaxPhysicalDrivesPerLogicalUnit;
656 	__le32		MaxPerformantModeCommands;
657 	__le32		MaxBlockFetch;
658 	__le32		PowerConservationSupport;
659 	__le32		PowerConservationEnable;
660 	__le32		TMFSupportFlags;
661 	u8		TMFTagMask[8];
662 	u8		reserved[0x78 - 0x70];
663 	__le32		misc_fw_support;		/* offset 0x78 */
664 #define			MISC_FW_DOORBELL_RESET		0x02
665 #define			MISC_FW_DOORBELL_RESET2		0x010
666 #define			MISC_FW_RAID_OFFLOAD_BASIC	0x020
667 #define			MISC_FW_EVENT_NOTIFY		0x080
668 	u8		driver_version[32];
669 	__le32		max_cached_write_size;
670 	u8		driver_scratchpad[16];
671 	__le32		max_error_info_length;
672 	__le32		io_accel_max_embedded_sg_count;
673 	__le32		io_accel_request_size_offset;
674 	__le32		event_notify;
675 #define		HPSA_EVENT_NOTIFY_ACCEL_IO_PATH_STATE_CHANGE (1 << 30)
676 #define		HPSA_EVENT_NOTIFY_ACCEL_IO_PATH_CONFIG_CHANGE (1 << 31)
677 	__le32		clear_event_notify;
678 };
679 
680 #define NUM_BLOCKFETCH_ENTRIES 8
681 struct TransTable_struct {
682 	__le32		BlockFetch[NUM_BLOCKFETCH_ENTRIES];
683 	__le32		RepQSize;
684 	__le32		RepQCount;
685 	__le32		RepQCtrAddrLow32;
686 	__le32		RepQCtrAddrHigh32;
687 #define MAX_REPLY_QUEUES 64
688 	struct vals32  RepQAddr[MAX_REPLY_QUEUES];
689 };
690 
691 struct hpsa_pci_info {
692 	unsigned char	bus;
693 	unsigned char	dev_fn;
694 	unsigned short	domain;
695 	u32		board_id;
696 };
697 
698 struct bmic_identify_controller {
699 	u8	configured_logical_drive_count;	/* offset 0 */
700 	u8	pad1[153];
701 	__le16	extended_logical_unit_count;	/* offset 154 */
702 	u8	pad2[136];
703 	u8	controller_mode;	/* offset 292 */
704 	u8	pad3[32];
705 };
706 
707 
708 struct bmic_identify_physical_device {
709 	u8    scsi_bus;          /* SCSI Bus number on controller */
710 	u8    scsi_id;           /* SCSI ID on this bus */
711 	__le16 block_size;	     /* sector size in bytes */
712 	__le32 total_blocks;	     /* number for sectors on drive */
713 	__le32 reserved_blocks;   /* controller reserved (RIS) */
714 	u8    model[40];         /* Physical Drive Model */
715 	u8    serial_number[40]; /* Drive Serial Number */
716 	u8    firmware_revision[8]; /* drive firmware revision */
717 	u8    scsi_inquiry_bits; /* inquiry byte 7 bits */
718 	u8    compaq_drive_stamp; /* 0 means drive not stamped */
719 	u8    last_failure_reason;
720 #define BMIC_LAST_FAILURE_TOO_SMALL_IN_LOAD_CONFIG		0x01
721 #define BMIC_LAST_FAILURE_ERROR_ERASING_RIS			0x02
722 #define BMIC_LAST_FAILURE_ERROR_SAVING_RIS			0x03
723 #define BMIC_LAST_FAILURE_FAIL_DRIVE_COMMAND			0x04
724 #define BMIC_LAST_FAILURE_MARK_BAD_FAILED			0x05
725 #define BMIC_LAST_FAILURE_MARK_BAD_FAILED_IN_FINISH_REMAP	0x06
726 #define BMIC_LAST_FAILURE_TIMEOUT				0x07
727 #define BMIC_LAST_FAILURE_AUTOSENSE_FAILED			0x08
728 #define BMIC_LAST_FAILURE_MEDIUM_ERROR_1			0x09
729 #define BMIC_LAST_FAILURE_MEDIUM_ERROR_2			0x0a
730 #define BMIC_LAST_FAILURE_NOT_READY_BAD_SENSE			0x0b
731 #define BMIC_LAST_FAILURE_NOT_READY				0x0c
732 #define BMIC_LAST_FAILURE_HARDWARE_ERROR			0x0d
733 #define BMIC_LAST_FAILURE_ABORTED_COMMAND			0x0e
734 #define BMIC_LAST_FAILURE_WRITE_PROTECTED			0x0f
735 #define BMIC_LAST_FAILURE_SPIN_UP_FAILURE_IN_RECOVER		0x10
736 #define BMIC_LAST_FAILURE_REBUILD_WRITE_ERROR			0x11
737 #define BMIC_LAST_FAILURE_TOO_SMALL_IN_HOT_PLUG			0x12
738 #define BMIC_LAST_FAILURE_BUS_RESET_RECOVERY_ABORTED		0x13
739 #define BMIC_LAST_FAILURE_REMOVED_IN_HOT_PLUG			0x14
740 #define BMIC_LAST_FAILURE_INIT_REQUEST_SENSE_FAILED		0x15
741 #define BMIC_LAST_FAILURE_INIT_START_UNIT_FAILED		0x16
742 #define BMIC_LAST_FAILURE_INQUIRY_FAILED			0x17
743 #define BMIC_LAST_FAILURE_NON_DISK_DEVICE			0x18
744 #define BMIC_LAST_FAILURE_READ_CAPACITY_FAILED			0x19
745 #define BMIC_LAST_FAILURE_INVALID_BLOCK_SIZE			0x1a
746 #define BMIC_LAST_FAILURE_HOT_PLUG_REQUEST_SENSE_FAILED		0x1b
747 #define BMIC_LAST_FAILURE_HOT_PLUG_START_UNIT_FAILED		0x1c
748 #define BMIC_LAST_FAILURE_WRITE_ERROR_AFTER_REMAP		0x1d
749 #define BMIC_LAST_FAILURE_INIT_RESET_RECOVERY_ABORTED		0x1e
750 #define BMIC_LAST_FAILURE_DEFERRED_WRITE_ERROR			0x1f
751 #define BMIC_LAST_FAILURE_MISSING_IN_SAVE_RIS			0x20
752 #define BMIC_LAST_FAILURE_WRONG_REPLACE				0x21
753 #define BMIC_LAST_FAILURE_GDP_VPD_INQUIRY_FAILED		0x22
754 #define BMIC_LAST_FAILURE_GDP_MODE_SENSE_FAILED			0x23
755 #define BMIC_LAST_FAILURE_DRIVE_NOT_IN_48BIT_MODE		0x24
756 #define BMIC_LAST_FAILURE_DRIVE_TYPE_MIX_IN_HOT_PLUG		0x25
757 #define BMIC_LAST_FAILURE_DRIVE_TYPE_MIX_IN_LOAD_CFG		0x26
758 #define BMIC_LAST_FAILURE_PROTOCOL_ADAPTER_FAILED		0x27
759 #define BMIC_LAST_FAILURE_FAULTY_ID_BAY_EMPTY			0x28
760 #define BMIC_LAST_FAILURE_FAULTY_ID_BAY_OCCUPIED		0x29
761 #define BMIC_LAST_FAILURE_FAULTY_ID_INVALID_BAY			0x2a
762 #define BMIC_LAST_FAILURE_WRITE_RETRIES_FAILED			0x2b
763 
764 #define BMIC_LAST_FAILURE_SMART_ERROR_REPORTED			0x37
765 #define BMIC_LAST_FAILURE_PHY_RESET_FAILED			0x38
766 #define BMIC_LAST_FAILURE_ONLY_ONE_CTLR_CAN_SEE_DRIVE		0x40
767 #define BMIC_LAST_FAILURE_KC_VOLUME_FAILED			0x41
768 #define BMIC_LAST_FAILURE_UNEXPECTED_REPLACEMENT		0x42
769 #define BMIC_LAST_FAILURE_OFFLINE_ERASE				0x80
770 #define BMIC_LAST_FAILURE_OFFLINE_TOO_SMALL			0x81
771 #define BMIC_LAST_FAILURE_OFFLINE_DRIVE_TYPE_MIX		0x82
772 #define BMIC_LAST_FAILURE_OFFLINE_ERASE_COMPLETE		0x83
773 
774 	u8     flags;
775 	u8     more_flags;
776 	u8     scsi_lun;          /* SCSI LUN for phys drive */
777 	u8     yet_more_flags;
778 	u8     even_more_flags;
779 	__le32 spi_speed_rules;/* SPI Speed data:Ultra disable diagnose */
780 	u8     phys_connector[2];         /* connector number on controller */
781 	u8     phys_box_on_bus;  /* phys enclosure this drive resides */
782 	u8     phys_bay_in_box;  /* phys drv bay this drive resides */
783 	__le32 rpm;              /* Drive rotational speed in rpm */
784 	u8     device_type;       /* type of drive */
785 #define BMIC_DEVICE_TYPE_CONTROLLER	0x07
786 
787 	u8     sata_version;     /* only valid when drive_type is SATA */
788 	__le64 big_total_block_count;
789 	__le64 ris_starting_lba;
790 	__le32 ris_size;
791 	u8     wwid[20];
792 	u8     controller_phy_map[32];
793 	__le16 phy_count;
794 	u8     phy_connected_dev_type[256];
795 	u8     phy_to_drive_bay_num[256];
796 	__le16 phy_to_attached_dev_index[256];
797 	u8     box_index;
798 	u8     reserved;
799 	__le16 extra_physical_drive_flags;
800 #define BMIC_PHYS_DRIVE_SUPPORTS_GAS_GAUGE(idphydrv) \
801 	(idphydrv->extra_physical_drive_flags & (1 << 10))
802 	u8     negotiated_link_rate[256];
803 	u8     phy_to_phy_map[256];
804 	u8     redundant_path_present_map;
805 	u8     redundant_path_failure_map;
806 	u8     active_path_number;
807 	__le16 alternate_paths_phys_connector[8];
808 	u8     alternate_paths_phys_box_on_port[8];
809 	u8     multi_lun_device_lun_count;
810 	u8     minimum_good_fw_revision[8];
811 	u8     unique_inquiry_bytes[20];
812 	u8     current_temperature_degreesC;
813 	u8     temperature_threshold_degreesC;
814 	u8     max_temperature_degreesC;
815 	u8     logical_blocks_per_phys_block_exp; /* phyblocksize = 512*2^exp */
816 	__le16 current_queue_depth_limit;
817 	u8     reserved_switch_stuff[60];
818 	__le16 power_on_hours; /* valid only if gas gauge supported */
819 	__le16 percent_endurance_used; /* valid only if gas gauge supported. */
820 #define BMIC_PHYS_DRIVE_SSD_WEAROUT(idphydrv) \
821 	((idphydrv->percent_endurance_used & 0x80) || \
822 	 (idphydrv->percent_endurance_used > 10000))
823 	u8     drive_authentication;
824 #define BMIC_PHYS_DRIVE_AUTHENTICATED(idphydrv) \
825 	(idphydrv->drive_authentication == 0x80)
826 	u8     smart_carrier_authentication;
827 #define BMIC_SMART_CARRIER_AUTHENTICATION_SUPPORTED(idphydrv) \
828 	(idphydrv->smart_carrier_authentication != 0x0)
829 #define BMIC_SMART_CARRIER_AUTHENTICATED(idphydrv) \
830 	(idphydrv->smart_carrier_authentication == 0x01)
831 	u8     smart_carrier_app_fw_version;
832 	u8     smart_carrier_bootloader_fw_version;
833 	u8     sanitize_support_flags;
834 	u8     drive_key_flags;
835 	u8     encryption_key_name[64];
836 	__le32 misc_drive_flags;
837 	__le16 dek_index;
838 	__le16 hba_drive_encryption_flags;
839 	__le16 max_overwrite_time;
840 	__le16 max_block_erase_time;
841 	__le16 max_crypto_erase_time;
842 	u8     device_connector_info[5];
843 	u8     connector_name[8][8];
844 	u8     page_83_id[16];
845 	u8     max_link_rate[256];
846 	u8     neg_phys_link_rate[256];
847 	u8     box_conn_name[8];
848 } __attribute((aligned(512)));
849 
850 struct bmic_sense_subsystem_info {
851 	u8	primary_slot_number;
852 	u8	reserved[3];
853 	u8	chasis_serial_number[32];
854 	u8	primary_world_wide_id[8];
855 	u8	primary_array_serial_number[32]; /* NULL terminated */
856 	u8	primary_cache_serial_number[32]; /* NULL terminated */
857 	u8	reserved_2[8];
858 	u8	secondary_array_serial_number[32];
859 	u8	secondary_cache_serial_number[32];
860 	u8	pad[332];
861 };
862 
863 struct bmic_sense_storage_box_params {
864 	u8	reserved[36];
865 	u8	inquiry_valid;
866 	u8	reserved_1[68];
867 	u8	phys_box_on_port;
868 	u8	reserved_2[22];
869 	u16	connection_info;
870 	u8	reserver_3[84];
871 	u8	phys_connector[2];
872 	u8	reserved_4[296];
873 };
874 
875 #pragma pack()
876 #endif /* HPSA_CMD_H */
877