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
190struct vals32 {
191	u32   lower;
192	u32   upper;
193};
194
195union 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
209struct 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
221struct 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
229struct 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
255struct ReportLUNdata {
256	u8 LUNListLength[4];
257	u8 extended_response_flag;
258	u8 reserved[3];
259	u8 LUN[HPSA_MAX_LUN][8];
260} __packed;
261
262struct 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
277struct 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
284struct 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 */
306union 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
325struct 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
333struct LogDevAddr {
334	u32            VolId:30;
335	u32            Mode:2;
336	u8             reserved[4];
337} __packed;
338
339union LUNAddr {
340	u8               LunAddrBytes[8];
341	union SCSI3Addr    SCSI3Lun[4];
342	struct PhysDevAddr PhysDev;
343	struct LogDevAddr  LogDev;
344} __packed;
345
346struct CommandListHeader {
347	u8              ReplyQueue;
348	u8              SGList;
349	__le16          SGTotal;
350	__le64		tag;
351	union LUNAddr     LUN;
352} __packed;
353
354struct 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
373struct ErrDescriptor {
374	__le64 Addr;
375	__le32 Len;
376} __packed;
377
378struct SGDescriptor {
379	__le64 Addr;
380	__le32 Len;
381	__le32 Ext;
382} __packed;
383
384union 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
398struct 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
417struct 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
429struct 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 */
467static_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
478struct 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
528struct 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 */
540struct 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
582struct 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 */
623struct 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 */
637struct 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
651struct 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
694struct 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
704struct hpsa_pci_info {
705	unsigned char	bus;
706	unsigned char	dev_fn;
707	unsigned short	domain;
708	u32		board_id;
709} __packed;
710
711struct 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
721struct 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
863struct 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
876struct 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