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 #include <linux/compiler.h>
24 
25 #include <linux/build_bug.h> /* static_assert */
26 #include <linux/stddef.h> /* offsetof */
27 
28 /* general boundary defintions */
29 #define SENSEINFOBYTES          32 /* may vary between hbas */
30 #define SG_ENTRIES_IN_CMD	32 /* Max SG entries excluding chain blocks */
31 #define HPSA_SG_CHAIN		0x80000000
32 #define HPSA_SG_LAST		0x40000000
33 #define MAXREPLYQS              256
34 
35 /* Command Status value */
36 #define CMD_SUCCESS             0x0000
37 #define CMD_TARGET_STATUS       0x0001
38 #define CMD_DATA_UNDERRUN       0x0002
39 #define CMD_DATA_OVERRUN        0x0003
40 #define CMD_INVALID             0x0004
41 #define CMD_PROTOCOL_ERR        0x0005
42 #define CMD_HARDWARE_ERR        0x0006
43 #define CMD_CONNECTION_LOST     0x0007
44 #define CMD_ABORTED             0x0008
45 #define CMD_ABORT_FAILED        0x0009
46 #define CMD_UNSOLICITED_ABORT   0x000A
47 #define CMD_TIMEOUT             0x000B
48 #define CMD_UNABORTABLE		0x000C
49 #define CMD_TMF_STATUS		0x000D
50 #define CMD_IOACCEL_DISABLED	0x000E
51 #define CMD_CTLR_LOCKUP		0xffff
52 /* Note: CMD_CTLR_LOCKUP is not a value defined by the CISS spec
53  * it is a value defined by the driver that commands can be marked
54  * with when a controller lockup has been detected by the driver
55  */
56 
57 /* TMF function status values */
58 #define CISS_TMF_COMPLETE	0x00
59 #define CISS_TMF_INVALID_FRAME	0x02
60 #define CISS_TMF_NOT_SUPPORTED	0x04
61 #define CISS_TMF_FAILED		0x05
62 #define CISS_TMF_SUCCESS	0x08
63 #define CISS_TMF_WRONG_LUN	0x09
64 #define CISS_TMF_OVERLAPPED_TAG 0x0a
65 
66 /* Unit Attentions ASC's as defined for the MSA2012sa */
67 #define POWER_OR_RESET			0x29
68 #define STATE_CHANGED			0x2a
69 #define UNIT_ATTENTION_CLEARED		0x2f
70 #define LUN_FAILED			0x3e
71 #define REPORT_LUNS_CHANGED		0x3f
72 
73 /* Unit Attentions ASCQ's as defined for the MSA2012sa */
74 
75 	/* These ASCQ's defined for ASC = POWER_OR_RESET */
76 #define POWER_ON_RESET			0x00
77 #define POWER_ON_REBOOT			0x01
78 #define SCSI_BUS_RESET			0x02
79 #define MSA_TARGET_RESET		0x03
80 #define CONTROLLER_FAILOVER		0x04
81 #define TRANSCEIVER_SE			0x05
82 #define TRANSCEIVER_LVD			0x06
83 
84 	/* These ASCQ's defined for ASC = STATE_CHANGED */
85 #define RESERVATION_PREEMPTED		0x03
86 #define ASYM_ACCESS_CHANGED		0x06
87 #define LUN_CAPACITY_CHANGED		0x09
88 
89 /* transfer direction */
90 #define XFER_NONE               0x00
91 #define XFER_WRITE              0x01
92 #define XFER_READ               0x02
93 #define XFER_RSVD               0x03
94 
95 /* task attribute */
96 #define ATTR_UNTAGGED           0x00
97 #define ATTR_SIMPLE             0x04
98 #define ATTR_HEADOFQUEUE        0x05
99 #define ATTR_ORDERED            0x06
100 #define ATTR_ACA                0x07
101 
102 /* cdb type */
103 #define TYPE_CMD		0x00
104 #define TYPE_MSG		0x01
105 #define TYPE_IOACCEL2_CMD	0x81 /* 0x81 is not used by hardware */
106 
107 /* Message Types  */
108 #define HPSA_TASK_MANAGEMENT    0x00
109 #define HPSA_RESET              0x01
110 #define HPSA_SCAN               0x02
111 #define HPSA_NOOP               0x03
112 
113 #define HPSA_CTLR_RESET_TYPE    0x00
114 #define HPSA_BUS_RESET_TYPE     0x01
115 #define HPSA_TARGET_RESET_TYPE  0x03
116 #define HPSA_LUN_RESET_TYPE     0x04
117 #define HPSA_NEXUS_RESET_TYPE   0x05
118 
119 /* Task Management Functions */
120 #define HPSA_TMF_ABORT_TASK     0x00
121 #define HPSA_TMF_ABORT_TASK_SET 0x01
122 #define HPSA_TMF_CLEAR_ACA      0x02
123 #define HPSA_TMF_CLEAR_TASK_SET 0x03
124 #define HPSA_TMF_QUERY_TASK     0x04
125 #define HPSA_TMF_QUERY_TASK_SET 0x05
126 #define HPSA_TMF_QUERY_ASYNCEVENT 0x06
127 
128 
129 
130 /* config space register offsets */
131 #define CFG_VENDORID            0x00
132 #define CFG_DEVICEID            0x02
133 #define CFG_I2OBAR              0x10
134 #define CFG_MEM1BAR             0x14
135 
136 /* i2o space register offsets */
137 #define I2O_IBDB_SET            0x20
138 #define I2O_IBDB_CLEAR          0x70
139 #define I2O_INT_STATUS          0x30
140 #define I2O_INT_MASK            0x34
141 #define I2O_IBPOST_Q            0x40
142 #define I2O_OBPOST_Q            0x44
143 #define I2O_DMA1_CFG		0x214
144 
145 /* Configuration Table */
146 #define CFGTBL_ChangeReq        0x00000001l
147 #define CFGTBL_AccCmds          0x00000001l
148 #define DOORBELL_CTLR_RESET	0x00000004l
149 #define DOORBELL_CTLR_RESET2	0x00000020l
150 #define DOORBELL_CLEAR_EVENTS	0x00000040l
151 #define DOORBELL_GENERATE_CHKPT	0x00000080l
152 
153 #define CFGTBL_Trans_Simple     0x00000002l
154 #define CFGTBL_Trans_Performant 0x00000004l
155 #define CFGTBL_Trans_io_accel1	0x00000080l
156 #define CFGTBL_Trans_io_accel2	0x00000100l
157 #define CFGTBL_Trans_use_short_tags 0x20000000l
158 #define CFGTBL_Trans_enable_directed_msix (1 << 30)
159 
160 #define CFGTBL_BusType_Ultra2   0x00000001l
161 #define CFGTBL_BusType_Ultra3   0x00000002l
162 #define CFGTBL_BusType_Fibre1G  0x00000100l
163 #define CFGTBL_BusType_Fibre2G  0x00000200l
164 
165 /* VPD Inquiry types */
166 #define HPSA_INQUIRY_FAILED		0x02
167 #define HPSA_VPD_SUPPORTED_PAGES        0x00
168 #define HPSA_VPD_LV_DEVICE_ID           0x83
169 #define HPSA_VPD_LV_DEVICE_GEOMETRY     0xC1
170 #define HPSA_VPD_LV_IOACCEL_STATUS      0xC2
171 #define HPSA_VPD_LV_STATUS		0xC3
172 #define HPSA_VPD_HEADER_SZ              4
173 
174 /* Logical volume states */
175 #define HPSA_VPD_LV_STATUS_UNSUPPORTED			0xff
176 #define HPSA_LV_OK                                      0x0
177 #define HPSA_LV_FAILED					0x01
178 #define HPSA_LV_NOT_AVAILABLE				0x0b
179 #define HPSA_LV_UNDERGOING_ERASE			0x0F
180 #define HPSA_LV_UNDERGOING_RPI				0x12
181 #define HPSA_LV_PENDING_RPI				0x13
182 #define HPSA_LV_ENCRYPTED_NO_KEY			0x14
183 #define HPSA_LV_PLAINTEXT_IN_ENCRYPT_ONLY_CONTROLLER	0x15
184 #define HPSA_LV_UNDERGOING_ENCRYPTION			0x16
185 #define HPSA_LV_UNDERGOING_ENCRYPTION_REKEYING		0x17
186 #define HPSA_LV_ENCRYPTED_IN_NON_ENCRYPTED_CONTROLLER	0x18
187 #define HPSA_LV_PENDING_ENCRYPTION			0x19
188 #define HPSA_LV_PENDING_ENCRYPTION_REKEYING		0x1A
189 
190 struct vals32 {
191 	u32   lower;
192 	u32   upper;
193 };
194 
195 union u64bit {
196 	struct vals32 val32;
197 	u64 val;
198 };
199 
200 /* FIXME this is a per controller value (barf!) */
201 #define HPSA_MAX_LUN 1024
202 #define HPSA_MAX_PHYS_LUN 1024
203 #define MAX_EXT_TARGETS 32
204 #define HPSA_MAX_DEVICES (HPSA_MAX_PHYS_LUN + HPSA_MAX_LUN + \
205 	MAX_EXT_TARGETS + 1) /* + 1 is for the controller itself */
206 
207 /* SCSI-3 Commands */
208 #define HPSA_INQUIRY 0x12
209 struct InquiryData {
210 	u8 data_byte[36];
211 } __packed;
212 
213 #define HPSA_REPORT_LOG 0xc2    /* Report Logical LUNs */
214 #define HPSA_REPORT_PHYS 0xc3   /* Report Physical LUNs */
215 #define HPSA_REPORT_PHYS_EXTENDED 0x02
216 #define HPSA_CISS_READ	0xc0	/* CISS Read */
217 #define HPSA_GET_RAID_MAP 0xc8	/* CISS Get RAID Layout Map */
218 
219 #define RAID_MAP_MAX_ENTRIES   256
220 
221 struct raid_map_disk_data {
222 	u32   ioaccel_handle;         /**< Handle to access this disk via the
223 					*  I/O accelerator */
224 	u8    xor_mult[2];            /**< XOR multipliers for this position,
225 					*  valid for data disks only */
226 	u8    reserved[2];
227 } __packed;
228 
229 struct raid_map_data {
230 	__le32   structure_size;	/* Size of entire structure in bytes */
231 	__le32   volume_blk_size;	/* bytes / block in the volume */
232 	__le64   volume_blk_cnt;	/* logical blocks on the volume */
233 	u8    phys_blk_shift;		/* Shift factor to convert between
234 					 * units of logical blocks and physical
235 					 * disk blocks */
236 	u8    parity_rotation_shift;	/* Shift factor to convert between units
237 					 * of logical stripes and physical
238 					 * stripes */
239 	__le16   strip_size;		/* blocks used on each disk / stripe */
240 	__le64   disk_starting_blk;	/* First disk block used in volume */
241 	__le64   disk_blk_cnt;		/* disk blocks used by volume / disk */
242 	__le16   data_disks_per_row;	/* data disk entries / row in the map */
243 	__le16   metadata_disks_per_row;/* mirror/parity disk entries / row
244 					 * in the map */
245 	__le16   row_cnt;		/* rows in each layout map */
246 	__le16   layout_map_count;	/* layout maps (1 map per mirror/parity
247 					 * group) */
248 	__le16   flags;			/* Bit 0 set if encryption enabled */
249 #define RAID_MAP_FLAG_ENCRYPT_ON  0x01
250 	__le16   dekindex;		/* Data encryption key index. */
251 	u8    reserved[16];
252 	struct raid_map_disk_data data[RAID_MAP_MAX_ENTRIES];
253 } __packed;
254 
255 struct ReportLUNdata {
256 	u8 LUNListLength[4];
257 	u8 extended_response_flag;
258 	u8 reserved[3];
259 	u8 LUN[HPSA_MAX_LUN][8];
260 } __packed;
261 
262 struct ext_report_lun_entry {
263 	u8 lunid[8];
264 #define MASKED_DEVICE(x) ((x)[3] & 0xC0)
265 #define GET_BMIC_BUS(lunid) ((lunid)[7] & 0x3F)
266 #define GET_BMIC_LEVEL_TWO_TARGET(lunid) ((lunid)[6])
267 #define GET_BMIC_DRIVE_NUMBER(lunid) (((GET_BMIC_BUS((lunid)) - 1) << 8) + \
268 			GET_BMIC_LEVEL_TWO_TARGET((lunid)))
269 	u8 wwid[8];
270 	u8 device_type;
271 	u8 device_flags;
272 	u8 lun_count; /* multi-lun device, how many luns */
273 	u8 redundant_paths;
274 	u32 ioaccel_handle; /* ioaccel1 only uses lower 16 bits */
275 } __packed;
276 
277 struct ReportExtendedLUNdata {
278 	u8 LUNListLength[4];
279 	u8 extended_response_flag;
280 	u8 reserved[3];
281 	struct ext_report_lun_entry LUN[HPSA_MAX_PHYS_LUN];
282 } __packed;
283 
284 struct SenseSubsystem_info {
285 	u8 reserved[36];
286 	u8 portname[8];
287 	u8 reserved1[1108];
288 } __packed;
289 
290 /* BMIC commands */
291 #define BMIC_READ 0x26
292 #define BMIC_WRITE 0x27
293 #define BMIC_CACHE_FLUSH 0xc2
294 #define HPSA_CACHE_FLUSH 0x01	/* C2 was already being used by HPSA */
295 #define BMIC_FLASH_FIRMWARE 0xF7
296 #define BMIC_SENSE_CONTROLLER_PARAMETERS 0x64
297 #define BMIC_IDENTIFY_PHYSICAL_DEVICE 0x15
298 #define BMIC_IDENTIFY_CONTROLLER 0x11
299 #define BMIC_SET_DIAG_OPTIONS 0xF4
300 #define BMIC_SENSE_DIAG_OPTIONS 0xF5
301 #define HPSA_DIAG_OPTS_DISABLE_RLD_CACHING 0x80000000
302 #define BMIC_SENSE_SUBSYSTEM_INFORMATION 0x66
303 #define BMIC_SENSE_STORAGE_BOX_PARAMS 0x65
304 
305 /* Command List Structure */
306 union SCSI3Addr {
307 	struct {
308 		u8 Dev;
309 		u8 Bus:6;
310 		u8 Mode:2;        /* b00 */
311 	} PeripDev;
312 	struct {
313 		u8 DevLSB;
314 		u8 DevMSB:6;
315 		u8 Mode:2;        /* b01 */
316 	} LogDev;
317 	struct {
318 		u8 Dev:5;
319 		u8 Bus:3;
320 		u8 Targ:6;
321 		u8 Mode:2;        /* b10 */
322 	} LogUnit;
323 } __packed;
324 
325 struct PhysDevAddr {
326 	u32             TargetId:24;
327 	u32             Bus:6;
328 	u32             Mode:2;
329 	/* 2 level target device addr */
330 	union SCSI3Addr  Target[2];
331 } __packed;
332 
333 struct LogDevAddr {
334 	u32            VolId:30;
335 	u32            Mode:2;
336 	u8             reserved[4];
337 } __packed;
338 
339 union LUNAddr {
340 	u8               LunAddrBytes[8];
341 	union SCSI3Addr    SCSI3Lun[4];
342 	struct PhysDevAddr PhysDev;
343 	struct LogDevAddr  LogDev;
344 } __packed;
345 
346 struct CommandListHeader {
347 	u8              ReplyQueue;
348 	u8              SGList;
349 	__le16          SGTotal;
350 	__le64		tag;
351 	union LUNAddr     LUN;
352 } __packed;
353 
354 struct RequestBlock {
355 	u8   CDBLen;
356 	/*
357 	 * type_attr_dir:
358 	 * type: low 3 bits
359 	 * attr: middle 3 bits
360 	 * dir: high 2 bits
361 	 */
362 	u8	type_attr_dir;
363 #define TYPE_ATTR_DIR(t, a, d) ((((d) & 0x03) << 6) |\
364 				(((a) & 0x07) << 3) |\
365 				((t) & 0x07))
366 #define GET_TYPE(tad) ((tad) & 0x07)
367 #define GET_ATTR(tad) (((tad) >> 3) & 0x07)
368 #define GET_DIR(tad) (((tad) >> 6) & 0x03)
369 	u16  Timeout;
370 	u8   CDB[16];
371 } __packed;
372 
373 struct ErrDescriptor {
374 	__le64 Addr;
375 	__le32 Len;
376 } __packed;
377 
378 struct SGDescriptor {
379 	__le64 Addr;
380 	__le32 Len;
381 	__le32 Ext;
382 } __packed;
383 
384 union MoreErrInfo {
385 	struct {
386 		u8  Reserved[3];
387 		u8  Type;
388 		u32 ErrorInfo;
389 	} Common_Info;
390 	struct {
391 		u8  Reserved[2];
392 		u8  offense_size; /* size of offending entry */
393 		u8  offense_num;  /* byte # of offense 0-base */
394 		u32 offense_value;
395 	} Invalid_Cmd;
396 } __packed;
397 
398 struct ErrorInfo {
399 	u8               ScsiStatus;
400 	u8               SenseLen;
401 	u16              CommandStatus;
402 	u32              ResidualCnt;
403 	union MoreErrInfo  MoreErrInfo;
404 	u8               SenseInfo[SENSEINFOBYTES];
405 } __packed;
406 /* Command types */
407 #define CMD_IOCTL_PEND  0x01
408 #define CMD_SCSI	0x03
409 #define CMD_IOACCEL1	0x04
410 #define CMD_IOACCEL2	0x05
411 #define IOACCEL2_TMF	0x06
412 
413 #define DIRECT_LOOKUP_SHIFT 4
414 #define DIRECT_LOOKUP_MASK (~((1 << DIRECT_LOOKUP_SHIFT) - 1))
415 
416 #define HPSA_ERROR_BIT          0x02
417 struct ctlr_info; /* defined in hpsa.h */
418 /* The size of this structure needs to be divisible by 128
419  * on all architectures.  The low 4 bits of the addresses
420  * are used as follows:
421  *
422  * bit 0: to device, used to indicate "performant mode" command
423  *        from device, indidcates error status.
424  * bit 1-3: to device, indicates block fetch table entry for
425  *          reducing DMA in fetching commands from host memory.
426  */
427 
428 #define COMMANDLIST_ALIGNMENT 128
429 struct CommandList {
430 	struct CommandListHeader Header;
431 	struct RequestBlock      Request;
432 	struct ErrDescriptor     ErrDesc;
433 	struct SGDescriptor      SG[SG_ENTRIES_IN_CMD];
434 	/* information associated with the command */
435 	u32			   busaddr; /* physical addr of this record */
436 	struct ErrorInfo *err_info; /* pointer to the allocated mem */
437 	struct ctlr_info	   *h;
438 	int			   cmd_type;
439 	long			   cmdindex;
440 	struct completion *waiting;
441 	struct scsi_cmnd *scsi_cmd;
442 	struct work_struct work;
443 
444 	/*
445 	 * For commands using either of the two "ioaccel" paths to
446 	 * bypass the RAID stack and go directly to the physical disk
447 	 * phys_disk is a pointer to the hpsa_scsi_dev_t to which the
448 	 * i/o is destined.  We need to store that here because the command
449 	 * may potentially encounter TASK SET FULL and need to be resubmitted
450 	 * For "normal" i/o's not using the "ioaccel" paths, phys_disk is
451 	 * not used.
452 	 */
453 	struct hpsa_scsi_dev_t *phys_disk;
454 
455 	bool retry_pending;
456 	struct hpsa_scsi_dev_t *device;
457 	atomic_t refcount; /* Must be last to avoid memset in hpsa_cmd_init() */
458 } __aligned(COMMANDLIST_ALIGNMENT);
459 
460 /*
461  * Make sure our embedded atomic variable is aligned. Otherwise we break atomic
462  * operations on architectures that don't support unaligned atomics like IA64.
463  *
464  * The assert guards against reintroductin against unwanted __packed to
465  * the struct CommandList.
466  */
467 static_assert(offsetof(struct CommandList, refcount) % __alignof__(atomic_t) == 0);
468 
469 /* Max S/G elements in I/O accelerator command */
470 #define IOACCEL1_MAXSGENTRIES           24
471 #define IOACCEL2_MAXSGENTRIES		28
472 
473 /*
474  * Structure for I/O accelerator (mode 1) commands.
475  * Note that this structure must be 128-byte aligned in size.
476  */
477 #define IOACCEL1_COMMANDLIST_ALIGNMENT 128
478 struct io_accel1_cmd {
479 	__le16 dev_handle;		/* 0x00 - 0x01 */
480 	u8  reserved1;			/* 0x02 */
481 	u8  function;			/* 0x03 */
482 	u8  reserved2[8];		/* 0x04 - 0x0B */
483 	u32 err_info;			/* 0x0C - 0x0F */
484 	u8  reserved3[2];		/* 0x10 - 0x11 */
485 	u8  err_info_len;		/* 0x12 */
486 	u8  reserved4;			/* 0x13 */
487 	u8  sgl_offset;			/* 0x14 */
488 	u8  reserved5[7];		/* 0x15 - 0x1B */
489 	__le32 transfer_len;		/* 0x1C - 0x1F */
490 	u8  reserved6[4];		/* 0x20 - 0x23 */
491 	__le16 io_flags;		/* 0x24 - 0x25 */
492 	u8  reserved7[14];		/* 0x26 - 0x33 */
493 	u8  LUN[8];			/* 0x34 - 0x3B */
494 	__le32 control;			/* 0x3C - 0x3F */
495 	u8  CDB[16];			/* 0x40 - 0x4F */
496 	u8  reserved8[16];		/* 0x50 - 0x5F */
497 	__le16 host_context_flags;	/* 0x60 - 0x61 */
498 	__le16 timeout_sec;		/* 0x62 - 0x63 */
499 	u8  ReplyQueue;			/* 0x64 */
500 	u8  reserved9[3];		/* 0x65 - 0x67 */
501 	__le64 tag;			/* 0x68 - 0x6F */
502 	__le64 host_addr;		/* 0x70 - 0x77 */
503 	u8  CISS_LUN[8];		/* 0x78 - 0x7F */
504 	struct SGDescriptor SG[IOACCEL1_MAXSGENTRIES];
505 } __packed __aligned(IOACCEL1_COMMANDLIST_ALIGNMENT);
506 
507 #define IOACCEL1_FUNCTION_SCSIIO        0x00
508 #define IOACCEL1_SGLOFFSET              32
509 
510 #define IOACCEL1_IOFLAGS_IO_REQ         0x4000
511 #define IOACCEL1_IOFLAGS_CDBLEN_MASK    0x001F
512 #define IOACCEL1_IOFLAGS_CDBLEN_MAX     16
513 
514 #define IOACCEL1_CONTROL_NODATAXFER     0x00000000
515 #define IOACCEL1_CONTROL_DATA_OUT       0x01000000
516 #define IOACCEL1_CONTROL_DATA_IN        0x02000000
517 #define IOACCEL1_CONTROL_TASKPRIO_MASK  0x00007800
518 #define IOACCEL1_CONTROL_TASKPRIO_SHIFT 11
519 #define IOACCEL1_CONTROL_SIMPLEQUEUE    0x00000000
520 #define IOACCEL1_CONTROL_HEADOFQUEUE    0x00000100
521 #define IOACCEL1_CONTROL_ORDEREDQUEUE   0x00000200
522 #define IOACCEL1_CONTROL_ACA            0x00000400
523 
524 #define IOACCEL1_HCFLAGS_CISS_FORMAT    0x0013
525 
526 #define IOACCEL1_BUSADDR_CMDTYPE        0x00000060
527 
528 struct ioaccel2_sg_element {
529 	__le64 address;
530 	__le32 length;
531 	u8 reserved[3];
532 	u8 chain_indicator;
533 #define IOACCEL2_CHAIN 0x80
534 #define IOACCEL2_LAST_SG 0x40
535 } __packed;
536 
537 /*
538  * SCSI Response Format structure for IO Accelerator Mode 2
539  */
540 struct io_accel2_scsi_response {
541 	u8 IU_type;
542 #define IOACCEL2_IU_TYPE_SRF			0x60
543 	u8 reserved1[3];
544 	u8 req_id[4];		/* request identifier */
545 	u8 reserved2[4];
546 	u8 serv_response;		/* service response */
547 #define IOACCEL2_SERV_RESPONSE_COMPLETE		0x000
548 #define IOACCEL2_SERV_RESPONSE_FAILURE		0x001
549 #define IOACCEL2_SERV_RESPONSE_TMF_COMPLETE	0x002
550 #define IOACCEL2_SERV_RESPONSE_TMF_SUCCESS	0x003
551 #define IOACCEL2_SERV_RESPONSE_TMF_REJECTED	0x004
552 #define IOACCEL2_SERV_RESPONSE_TMF_WRONG_LUN	0x005
553 	u8 status;			/* status */
554 #define IOACCEL2_STATUS_SR_TASK_COMP_GOOD	0x00
555 #define IOACCEL2_STATUS_SR_TASK_COMP_CHK_COND	0x02
556 #define IOACCEL2_STATUS_SR_TASK_COMP_BUSY	0x08
557 #define IOACCEL2_STATUS_SR_TASK_COMP_RES_CON	0x18
558 #define IOACCEL2_STATUS_SR_TASK_COMP_SET_FULL	0x28
559 #define IOACCEL2_STATUS_SR_TASK_COMP_ABORTED	0x40
560 #define IOACCEL2_STATUS_SR_IOACCEL_DISABLED	0x0E
561 #define IOACCEL2_STATUS_SR_IO_ERROR		0x01
562 #define IOACCEL2_STATUS_SR_IO_ABORTED		0x02
563 #define IOACCEL2_STATUS_SR_NO_PATH_TO_DEVICE	0x03
564 #define IOACCEL2_STATUS_SR_INVALID_DEVICE	0x04
565 #define IOACCEL2_STATUS_SR_UNDERRUN		0x51
566 #define IOACCEL2_STATUS_SR_OVERRUN		0x75
567 	u8 data_present;		/* low 2 bits */
568 #define IOACCEL2_NO_DATAPRESENT		0x000
569 #define IOACCEL2_RESPONSE_DATAPRESENT	0x001
570 #define IOACCEL2_SENSE_DATA_PRESENT	0x002
571 #define IOACCEL2_RESERVED		0x003
572 	u8 sense_data_len;		/* sense/response data length */
573 	u8 resid_cnt[4];		/* residual count */
574 	u8 sense_data_buff[32];		/* sense/response data buffer */
575 } __packed;
576 
577 /*
578  * Structure for I/O accelerator (mode 2 or m2) commands.
579  * Note that this structure must be 128-byte aligned in size.
580  */
581 #define IOACCEL2_COMMANDLIST_ALIGNMENT 128
582 struct io_accel2_cmd {
583 	u8  IU_type;			/* IU Type */
584 	u8  direction;			/* direction, memtype, and encryption */
585 #define IOACCEL2_DIRECTION_MASK		0x03 /* bits 0,1: direction  */
586 #define IOACCEL2_DIRECTION_MEMTYPE_MASK	0x04 /* bit 2: memtype source/dest */
587 					     /*     0b=PCIe, 1b=DDR */
588 #define IOACCEL2_DIRECTION_ENCRYPT_MASK	0x08 /* bit 3: encryption flag */
589 					     /*     0=off, 1=on */
590 	u8  reply_queue;		/* Reply Queue ID */
591 	u8  reserved1;			/* Reserved */
592 	__le32 scsi_nexus;		/* Device Handle */
593 	__le32 Tag;			/* cciss tag, lower 4 bytes only */
594 	__le32 tweak_lower;		/* Encryption tweak, lower 4 bytes */
595 	u8  cdb[16];			/* SCSI Command Descriptor Block */
596 	u8  cciss_lun[8];		/* 8 byte SCSI address */
597 	__le32 data_len;		/* Total bytes to transfer */
598 	u8  cmd_priority_task_attr;	/* priority and task attrs */
599 #define IOACCEL2_PRIORITY_MASK 0x78
600 #define IOACCEL2_ATTR_MASK 0x07
601 	u8  sg_count;			/* Number of sg elements */
602 	__le16 dekindex;		/* Data encryption key index */
603 	__le64 err_ptr;			/* Error Pointer */
604 	__le32 err_len;			/* Error Length*/
605 	__le32 tweak_upper;		/* Encryption tweak, upper 4 bytes */
606 	struct ioaccel2_sg_element sg[IOACCEL2_MAXSGENTRIES];
607 	struct io_accel2_scsi_response error_data;
608 } __packed __aligned(IOACCEL2_COMMANDLIST_ALIGNMENT);
609 
610 /*
611  * defines for Mode 2 command struct
612  * FIXME: this can't be all I need mfm
613  */
614 #define IOACCEL2_IU_TYPE	0x40
615 #define IOACCEL2_IU_TMF_TYPE	0x41
616 #define IOACCEL2_DIR_NO_DATA	0x00
617 #define IOACCEL2_DIR_DATA_IN	0x01
618 #define IOACCEL2_DIR_DATA_OUT	0x02
619 #define IOACCEL2_TMF_ABORT	0x01
620 /*
621  * SCSI Task Management Request format for Accelerator Mode 2
622  */
623 struct hpsa_tmf_struct {
624 	u8 iu_type;		/* Information Unit Type */
625 	u8 reply_queue;		/* Reply Queue ID */
626 	u8 tmf;			/* Task Management Function */
627 	u8 reserved1;		/* byte 3 Reserved */
628 	__le32 it_nexus;	/* SCSI I-T Nexus */
629 	u8 lun_id[8];		/* LUN ID for TMF request */
630 	__le64 tag;		/* cciss tag associated w/ request */
631 	__le64 abort_tag;	/* cciss tag of SCSI cmd or TMF to abort */
632 	__le64 error_ptr;		/* Error Pointer */
633 	__le32 error_len;		/* Error Length */
634 } __packed __aligned(IOACCEL2_COMMANDLIST_ALIGNMENT);
635 
636 /* Configuration Table Structure */
637 struct HostWrite {
638 	__le32		TransportRequest;
639 	__le32		command_pool_addr_hi;
640 	__le32		CoalIntDelay;
641 	__le32		CoalIntCount;
642 } __packed;
643 
644 #define SIMPLE_MODE     0x02
645 #define PERFORMANT_MODE 0x04
646 #define MEMQ_MODE       0x08
647 #define IOACCEL_MODE_1  0x80
648 
649 #define DRIVER_SUPPORT_UA_ENABLE        0x00000001
650 
651 struct CfgTable {
652 	u8		Signature[4];
653 	__le32		SpecValence;
654 	__le32		TransportSupport;
655 	__le32		TransportActive;
656 	struct HostWrite HostWrite;
657 	__le32		CmdsOutMax;
658 	__le32		BusTypes;
659 	__le32		TransMethodOffset;
660 	u8		ServerName[16];
661 	__le32		HeartBeat;
662 	__le32		driver_support;
663 #define			ENABLE_SCSI_PREFETCH		0x100
664 #define			ENABLE_UNIT_ATTN		0x01
665 	__le32		MaxScatterGatherElements;
666 	__le32		MaxLogicalUnits;
667 	__le32		MaxPhysicalDevices;
668 	__le32		MaxPhysicalDrivesPerLogicalUnit;
669 	__le32		MaxPerformantModeCommands;
670 	__le32		MaxBlockFetch;
671 	__le32		PowerConservationSupport;
672 	__le32		PowerConservationEnable;
673 	__le32		TMFSupportFlags;
674 	u8		TMFTagMask[8];
675 	u8		reserved[0x78 - 0x70];
676 	__le32		misc_fw_support;		/* offset 0x78 */
677 #define			MISC_FW_DOORBELL_RESET		0x02
678 #define			MISC_FW_DOORBELL_RESET2		0x010
679 #define			MISC_FW_RAID_OFFLOAD_BASIC	0x020
680 #define			MISC_FW_EVENT_NOTIFY		0x080
681 	u8		driver_version[32];
682 	__le32		max_cached_write_size;
683 	u8		driver_scratchpad[16];
684 	__le32		max_error_info_length;
685 	__le32		io_accel_max_embedded_sg_count;
686 	__le32		io_accel_request_size_offset;
687 	__le32		event_notify;
688 #define		HPSA_EVENT_NOTIFY_ACCEL_IO_PATH_STATE_CHANGE (1 << 30)
689 #define		HPSA_EVENT_NOTIFY_ACCEL_IO_PATH_CONFIG_CHANGE (1 << 31)
690 	__le32		clear_event_notify;
691 } __packed;
692 
693 #define NUM_BLOCKFETCH_ENTRIES 8
694 struct TransTable_struct {
695 	__le32		BlockFetch[NUM_BLOCKFETCH_ENTRIES];
696 	__le32		RepQSize;
697 	__le32		RepQCount;
698 	__le32		RepQCtrAddrLow32;
699 	__le32		RepQCtrAddrHigh32;
700 #define MAX_REPLY_QUEUES 64
701 	struct vals32  RepQAddr[MAX_REPLY_QUEUES];
702 } __packed;
703 
704 struct hpsa_pci_info {
705 	unsigned char	bus;
706 	unsigned char	dev_fn;
707 	unsigned short	domain;
708 	u32		board_id;
709 } __packed;
710 
711 struct bmic_identify_controller {
712 	u8	configured_logical_drive_count;	/* offset 0 */
713 	u8	pad1[153];
714 	__le16	extended_logical_unit_count;	/* offset 154 */
715 	u8	pad2[136];
716 	u8	controller_mode;	/* offset 292 */
717 	u8	pad3[32];
718 } __packed;
719 
720 
721 struct bmic_identify_physical_device {
722 	u8    scsi_bus;          /* SCSI Bus number on controller */
723 	u8    scsi_id;           /* SCSI ID on this bus */
724 	__le16 block_size;	     /* sector size in bytes */
725 	__le32 total_blocks;	     /* number for sectors on drive */
726 	__le32 reserved_blocks;   /* controller reserved (RIS) */
727 	u8    model[40];         /* Physical Drive Model */
728 	u8    serial_number[40]; /* Drive Serial Number */
729 	u8    firmware_revision[8]; /* drive firmware revision */
730 	u8    scsi_inquiry_bits; /* inquiry byte 7 bits */
731 	u8    compaq_drive_stamp; /* 0 means drive not stamped */
732 	u8    last_failure_reason;
733 #define BMIC_LAST_FAILURE_TOO_SMALL_IN_LOAD_CONFIG		0x01
734 #define BMIC_LAST_FAILURE_ERROR_ERASING_RIS			0x02
735 #define BMIC_LAST_FAILURE_ERROR_SAVING_RIS			0x03
736 #define BMIC_LAST_FAILURE_FAIL_DRIVE_COMMAND			0x04
737 #define BMIC_LAST_FAILURE_MARK_BAD_FAILED			0x05
738 #define BMIC_LAST_FAILURE_MARK_BAD_FAILED_IN_FINISH_REMAP	0x06
739 #define BMIC_LAST_FAILURE_TIMEOUT				0x07
740 #define BMIC_LAST_FAILURE_AUTOSENSE_FAILED			0x08
741 #define BMIC_LAST_FAILURE_MEDIUM_ERROR_1			0x09
742 #define BMIC_LAST_FAILURE_MEDIUM_ERROR_2			0x0a
743 #define BMIC_LAST_FAILURE_NOT_READY_BAD_SENSE			0x0b
744 #define BMIC_LAST_FAILURE_NOT_READY				0x0c
745 #define BMIC_LAST_FAILURE_HARDWARE_ERROR			0x0d
746 #define BMIC_LAST_FAILURE_ABORTED_COMMAND			0x0e
747 #define BMIC_LAST_FAILURE_WRITE_PROTECTED			0x0f
748 #define BMIC_LAST_FAILURE_SPIN_UP_FAILURE_IN_RECOVER		0x10
749 #define BMIC_LAST_FAILURE_REBUILD_WRITE_ERROR			0x11
750 #define BMIC_LAST_FAILURE_TOO_SMALL_IN_HOT_PLUG			0x12
751 #define BMIC_LAST_FAILURE_BUS_RESET_RECOVERY_ABORTED		0x13
752 #define BMIC_LAST_FAILURE_REMOVED_IN_HOT_PLUG			0x14
753 #define BMIC_LAST_FAILURE_INIT_REQUEST_SENSE_FAILED		0x15
754 #define BMIC_LAST_FAILURE_INIT_START_UNIT_FAILED		0x16
755 #define BMIC_LAST_FAILURE_INQUIRY_FAILED			0x17
756 #define BMIC_LAST_FAILURE_NON_DISK_DEVICE			0x18
757 #define BMIC_LAST_FAILURE_READ_CAPACITY_FAILED			0x19
758 #define BMIC_LAST_FAILURE_INVALID_BLOCK_SIZE			0x1a
759 #define BMIC_LAST_FAILURE_HOT_PLUG_REQUEST_SENSE_FAILED		0x1b
760 #define BMIC_LAST_FAILURE_HOT_PLUG_START_UNIT_FAILED		0x1c
761 #define BMIC_LAST_FAILURE_WRITE_ERROR_AFTER_REMAP		0x1d
762 #define BMIC_LAST_FAILURE_INIT_RESET_RECOVERY_ABORTED		0x1e
763 #define BMIC_LAST_FAILURE_DEFERRED_WRITE_ERROR			0x1f
764 #define BMIC_LAST_FAILURE_MISSING_IN_SAVE_RIS			0x20
765 #define BMIC_LAST_FAILURE_WRONG_REPLACE				0x21
766 #define BMIC_LAST_FAILURE_GDP_VPD_INQUIRY_FAILED		0x22
767 #define BMIC_LAST_FAILURE_GDP_MODE_SENSE_FAILED			0x23
768 #define BMIC_LAST_FAILURE_DRIVE_NOT_IN_48BIT_MODE		0x24
769 #define BMIC_LAST_FAILURE_DRIVE_TYPE_MIX_IN_HOT_PLUG		0x25
770 #define BMIC_LAST_FAILURE_DRIVE_TYPE_MIX_IN_LOAD_CFG		0x26
771 #define BMIC_LAST_FAILURE_PROTOCOL_ADAPTER_FAILED		0x27
772 #define BMIC_LAST_FAILURE_FAULTY_ID_BAY_EMPTY			0x28
773 #define BMIC_LAST_FAILURE_FAULTY_ID_BAY_OCCUPIED		0x29
774 #define BMIC_LAST_FAILURE_FAULTY_ID_INVALID_BAY			0x2a
775 #define BMIC_LAST_FAILURE_WRITE_RETRIES_FAILED			0x2b
776 
777 #define BMIC_LAST_FAILURE_SMART_ERROR_REPORTED			0x37
778 #define BMIC_LAST_FAILURE_PHY_RESET_FAILED			0x38
779 #define BMIC_LAST_FAILURE_ONLY_ONE_CTLR_CAN_SEE_DRIVE		0x40
780 #define BMIC_LAST_FAILURE_KC_VOLUME_FAILED			0x41
781 #define BMIC_LAST_FAILURE_UNEXPECTED_REPLACEMENT		0x42
782 #define BMIC_LAST_FAILURE_OFFLINE_ERASE				0x80
783 #define BMIC_LAST_FAILURE_OFFLINE_TOO_SMALL			0x81
784 #define BMIC_LAST_FAILURE_OFFLINE_DRIVE_TYPE_MIX		0x82
785 #define BMIC_LAST_FAILURE_OFFLINE_ERASE_COMPLETE		0x83
786 
787 	u8     flags;
788 	u8     more_flags;
789 	u8     scsi_lun;          /* SCSI LUN for phys drive */
790 	u8     yet_more_flags;
791 	u8     even_more_flags;
792 	__le32 spi_speed_rules;/* SPI Speed data:Ultra disable diagnose */
793 	u8     phys_connector[2];         /* connector number on controller */
794 	u8     phys_box_on_bus;  /* phys enclosure this drive resides */
795 	u8     phys_bay_in_box;  /* phys drv bay this drive resides */
796 	__le32 rpm;              /* Drive rotational speed in rpm */
797 	u8     device_type;       /* type of drive */
798 #define BMIC_DEVICE_TYPE_CONTROLLER	0x07
799 
800 	u8     sata_version;     /* only valid when drive_type is SATA */
801 	__le64 big_total_block_count;
802 	__le64 ris_starting_lba;
803 	__le32 ris_size;
804 	u8     wwid[20];
805 	u8     controller_phy_map[32];
806 	__le16 phy_count;
807 	u8     phy_connected_dev_type[256];
808 	u8     phy_to_drive_bay_num[256];
809 	__le16 phy_to_attached_dev_index[256];
810 	u8     box_index;
811 	u8     reserved;
812 	__le16 extra_physical_drive_flags;
813 #define BMIC_PHYS_DRIVE_SUPPORTS_GAS_GAUGE(idphydrv) \
814 	(idphydrv->extra_physical_drive_flags & (1 << 10))
815 	u8     negotiated_link_rate[256];
816 	u8     phy_to_phy_map[256];
817 	u8     redundant_path_present_map;
818 	u8     redundant_path_failure_map;
819 	u8     active_path_number;
820 	__le16 alternate_paths_phys_connector[8];
821 	u8     alternate_paths_phys_box_on_port[8];
822 	u8     multi_lun_device_lun_count;
823 	u8     minimum_good_fw_revision[8];
824 	u8     unique_inquiry_bytes[20];
825 	u8     current_temperature_degreesC;
826 	u8     temperature_threshold_degreesC;
827 	u8     max_temperature_degreesC;
828 	u8     logical_blocks_per_phys_block_exp; /* phyblocksize = 512*2^exp */
829 	__le16 current_queue_depth_limit;
830 	u8     reserved_switch_stuff[60];
831 	__le16 power_on_hours; /* valid only if gas gauge supported */
832 	__le16 percent_endurance_used; /* valid only if gas gauge supported. */
833 #define BMIC_PHYS_DRIVE_SSD_WEAROUT(idphydrv) \
834 	((idphydrv->percent_endurance_used & 0x80) || \
835 	 (idphydrv->percent_endurance_used > 10000))
836 	u8     drive_authentication;
837 #define BMIC_PHYS_DRIVE_AUTHENTICATED(idphydrv) \
838 	(idphydrv->drive_authentication == 0x80)
839 	u8     smart_carrier_authentication;
840 #define BMIC_SMART_CARRIER_AUTHENTICATION_SUPPORTED(idphydrv) \
841 	(idphydrv->smart_carrier_authentication != 0x0)
842 #define BMIC_SMART_CARRIER_AUTHENTICATED(idphydrv) \
843 	(idphydrv->smart_carrier_authentication == 0x01)
844 	u8     smart_carrier_app_fw_version;
845 	u8     smart_carrier_bootloader_fw_version;
846 	u8     sanitize_support_flags;
847 	u8     drive_key_flags;
848 	u8     encryption_key_name[64];
849 	__le32 misc_drive_flags;
850 	__le16 dek_index;
851 	__le16 hba_drive_encryption_flags;
852 	__le16 max_overwrite_time;
853 	__le16 max_block_erase_time;
854 	__le16 max_crypto_erase_time;
855 	u8     device_connector_info[5];
856 	u8     connector_name[8][8];
857 	u8     page_83_id[16];
858 	u8     max_link_rate[256];
859 	u8     neg_phys_link_rate[256];
860 	u8     box_conn_name[8];
861 } __packed __attribute((aligned(512)));
862 
863 struct bmic_sense_subsystem_info {
864 	u8	primary_slot_number;
865 	u8	reserved[3];
866 	u8	chasis_serial_number[32];
867 	u8	primary_world_wide_id[8];
868 	u8	primary_array_serial_number[32]; /* NULL terminated */
869 	u8	primary_cache_serial_number[32]; /* NULL terminated */
870 	u8	reserved_2[8];
871 	u8	secondary_array_serial_number[32];
872 	u8	secondary_cache_serial_number[32];
873 	u8	pad[332];
874 } __packed;
875 
876 struct bmic_sense_storage_box_params {
877 	u8	reserved[36];
878 	u8	inquiry_valid;
879 	u8	reserved_1[68];
880 	u8	phys_box_on_port;
881 	u8	reserved_2[22];
882 	u16	connection_info;
883 	u8	reserver_3[84];
884 	u8	phys_connector[2];
885 	u8	reserved_4[296];
886 } __packed;
887 
888 #endif /* HPSA_CMD_H */
889