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