xref: /linux/drivers/scsi/megaraid/megaraid_sas.h (revision ca55b2fef3a9373fcfc30f82fd26bc7fccbda732)
1 /*
2  *  Linux MegaRAID driver for SAS based RAID controllers
3  *
4  *  Copyright (c) 2003-2013  LSI Corporation
5  *  Copyright (c) 2013-2014  Avago Technologies
6  *
7  *  This program is free software; you can redistribute it and/or
8  *  modify it under the terms of the GNU General Public License
9  *  as published by the Free Software Foundation; either version 2
10  *  of the License, or (at your option) any later version.
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.  See the
15  *  GNU General Public License for more details.
16  *
17  *  You should have received a copy of the GNU General Public License
18  *  along with this program.  If not, see <http://www.gnu.org/licenses/>.
19  *
20  *  FILE: megaraid_sas.h
21  *
22  *  Authors: Avago Technologies
23  *           Kashyap Desai <kashyap.desai@avagotech.com>
24  *           Sumit Saxena <sumit.saxena@avagotech.com>
25  *
26  *  Send feedback to: megaraidlinux.pdl@avagotech.com
27  *
28  *  Mail to: Avago Technologies, 350 West Trimble Road, Building 90,
29  *  San Jose, California 95131
30  */
31 
32 #ifndef LSI_MEGARAID_SAS_H
33 #define LSI_MEGARAID_SAS_H
34 
35 /*
36  * MegaRAID SAS Driver meta data
37  */
38 #define MEGASAS_VERSION				"06.807.10.00-rc1"
39 #define MEGASAS_RELDATE				"March 6, 2015"
40 
41 /*
42  * Device IDs
43  */
44 #define	PCI_DEVICE_ID_LSI_SAS1078R		0x0060
45 #define	PCI_DEVICE_ID_LSI_SAS1078DE		0x007C
46 #define	PCI_DEVICE_ID_LSI_VERDE_ZCR		0x0413
47 #define	PCI_DEVICE_ID_LSI_SAS1078GEN2		0x0078
48 #define	PCI_DEVICE_ID_LSI_SAS0079GEN2		0x0079
49 #define	PCI_DEVICE_ID_LSI_SAS0073SKINNY		0x0073
50 #define	PCI_DEVICE_ID_LSI_SAS0071SKINNY		0x0071
51 #define	PCI_DEVICE_ID_LSI_FUSION		0x005b
52 #define PCI_DEVICE_ID_LSI_PLASMA		0x002f
53 #define PCI_DEVICE_ID_LSI_INVADER		0x005d
54 #define PCI_DEVICE_ID_LSI_FURY			0x005f
55 
56 /*
57  * Intel HBA SSDIDs
58  */
59 #define MEGARAID_INTEL_RS3DC080_SSDID		0x9360
60 #define MEGARAID_INTEL_RS3DC040_SSDID		0x9362
61 #define MEGARAID_INTEL_RS3SC008_SSDID		0x9380
62 #define MEGARAID_INTEL_RS3MC044_SSDID		0x9381
63 #define MEGARAID_INTEL_RS3WC080_SSDID		0x9341
64 #define MEGARAID_INTEL_RS3WC040_SSDID		0x9343
65 
66 /*
67  * Intel HBA branding
68  */
69 #define MEGARAID_INTEL_RS3DC080_BRANDING	\
70 	"Intel(R) RAID Controller RS3DC080"
71 #define MEGARAID_INTEL_RS3DC040_BRANDING	\
72 	"Intel(R) RAID Controller RS3DC040"
73 #define MEGARAID_INTEL_RS3SC008_BRANDING	\
74 	"Intel(R) RAID Controller RS3SC008"
75 #define MEGARAID_INTEL_RS3MC044_BRANDING	\
76 	"Intel(R) RAID Controller RS3MC044"
77 #define MEGARAID_INTEL_RS3WC080_BRANDING	\
78 	"Intel(R) RAID Controller RS3WC080"
79 #define MEGARAID_INTEL_RS3WC040_BRANDING	\
80 	"Intel(R) RAID Controller RS3WC040"
81 
82 /*
83  * =====================================
84  * MegaRAID SAS MFI firmware definitions
85  * =====================================
86  */
87 
88 /*
89  * MFI stands for  MegaRAID SAS FW Interface. This is just a moniker for
90  * protocol between the software and firmware. Commands are issued using
91  * "message frames"
92  */
93 
94 /*
95  * FW posts its state in upper 4 bits of outbound_msg_0 register
96  */
97 #define MFI_STATE_MASK				0xF0000000
98 #define MFI_STATE_UNDEFINED			0x00000000
99 #define MFI_STATE_BB_INIT			0x10000000
100 #define MFI_STATE_FW_INIT			0x40000000
101 #define MFI_STATE_WAIT_HANDSHAKE		0x60000000
102 #define MFI_STATE_FW_INIT_2			0x70000000
103 #define MFI_STATE_DEVICE_SCAN			0x80000000
104 #define MFI_STATE_BOOT_MESSAGE_PENDING		0x90000000
105 #define MFI_STATE_FLUSH_CACHE			0xA0000000
106 #define MFI_STATE_READY				0xB0000000
107 #define MFI_STATE_OPERATIONAL			0xC0000000
108 #define MFI_STATE_FAULT				0xF0000000
109 #define MFI_STATE_FORCE_OCR			0x00000080
110 #define MFI_STATE_DMADONE			0x00000008
111 #define MFI_STATE_CRASH_DUMP_DONE		0x00000004
112 #define MFI_RESET_REQUIRED			0x00000001
113 #define MFI_RESET_ADAPTER			0x00000002
114 #define MEGAMFI_FRAME_SIZE			64
115 
116 /*
117  * During FW init, clear pending cmds & reset state using inbound_msg_0
118  *
119  * ABORT	: Abort all pending cmds
120  * READY	: Move from OPERATIONAL to READY state; discard queue info
121  * MFIMODE	: Discard (possible) low MFA posted in 64-bit mode (??)
122  * CLR_HANDSHAKE: FW is waiting for HANDSHAKE from BIOS or Driver
123  * HOTPLUG	: Resume from Hotplug
124  * MFI_STOP_ADP	: Send signal to FW to stop processing
125  */
126 #define WRITE_SEQUENCE_OFFSET		(0x0000000FC) /* I20 */
127 #define HOST_DIAGNOSTIC_OFFSET		(0x000000F8)  /* I20 */
128 #define DIAG_WRITE_ENABLE			(0x00000080)
129 #define DIAG_RESET_ADAPTER			(0x00000004)
130 
131 #define MFI_ADP_RESET				0x00000040
132 #define MFI_INIT_ABORT				0x00000001
133 #define MFI_INIT_READY				0x00000002
134 #define MFI_INIT_MFIMODE			0x00000004
135 #define MFI_INIT_CLEAR_HANDSHAKE		0x00000008
136 #define MFI_INIT_HOTPLUG			0x00000010
137 #define MFI_STOP_ADP				0x00000020
138 #define MFI_RESET_FLAGS				MFI_INIT_READY| \
139 						MFI_INIT_MFIMODE| \
140 						MFI_INIT_ABORT
141 
142 /*
143  * MFI frame flags
144  */
145 #define MFI_FRAME_POST_IN_REPLY_QUEUE		0x0000
146 #define MFI_FRAME_DONT_POST_IN_REPLY_QUEUE	0x0001
147 #define MFI_FRAME_SGL32				0x0000
148 #define MFI_FRAME_SGL64				0x0002
149 #define MFI_FRAME_SENSE32			0x0000
150 #define MFI_FRAME_SENSE64			0x0004
151 #define MFI_FRAME_DIR_NONE			0x0000
152 #define MFI_FRAME_DIR_WRITE			0x0008
153 #define MFI_FRAME_DIR_READ			0x0010
154 #define MFI_FRAME_DIR_BOTH			0x0018
155 #define MFI_FRAME_IEEE                          0x0020
156 
157 /* Driver internal */
158 #define DRV_DCMD_POLLED_MODE		0x1
159 
160 /*
161  * Definition for cmd_status
162  */
163 #define MFI_CMD_STATUS_POLL_MODE		0xFF
164 
165 /*
166  * MFI command opcodes
167  */
168 #define MFI_CMD_INIT				0x00
169 #define MFI_CMD_LD_READ				0x01
170 #define MFI_CMD_LD_WRITE			0x02
171 #define MFI_CMD_LD_SCSI_IO			0x03
172 #define MFI_CMD_PD_SCSI_IO			0x04
173 #define MFI_CMD_DCMD				0x05
174 #define MFI_CMD_ABORT				0x06
175 #define MFI_CMD_SMP				0x07
176 #define MFI_CMD_STP				0x08
177 #define MFI_CMD_INVALID				0xff
178 
179 #define MR_DCMD_CTRL_GET_INFO			0x01010000
180 #define MR_DCMD_LD_GET_LIST			0x03010000
181 #define MR_DCMD_LD_LIST_QUERY			0x03010100
182 
183 #define MR_DCMD_CTRL_CACHE_FLUSH		0x01101000
184 #define MR_FLUSH_CTRL_CACHE			0x01
185 #define MR_FLUSH_DISK_CACHE			0x02
186 
187 #define MR_DCMD_CTRL_SHUTDOWN			0x01050000
188 #define MR_DCMD_HIBERNATE_SHUTDOWN		0x01060000
189 #define MR_ENABLE_DRIVE_SPINDOWN		0x01
190 
191 #define MR_DCMD_CTRL_EVENT_GET_INFO		0x01040100
192 #define MR_DCMD_CTRL_EVENT_GET			0x01040300
193 #define MR_DCMD_CTRL_EVENT_WAIT			0x01040500
194 #define MR_DCMD_LD_GET_PROPERTIES		0x03030000
195 
196 #define MR_DCMD_CLUSTER				0x08000000
197 #define MR_DCMD_CLUSTER_RESET_ALL		0x08010100
198 #define MR_DCMD_CLUSTER_RESET_LD		0x08010200
199 #define MR_DCMD_PD_LIST_QUERY                   0x02010100
200 
201 #define MR_DCMD_CTRL_SET_CRASH_DUMP_PARAMS	0x01190100
202 #define MR_DRIVER_SET_APP_CRASHDUMP_MODE	(0xF0010000 | 0x0600)
203 
204 /*
205  * Global functions
206  */
207 extern u8 MR_ValidateMapInfo(struct megasas_instance *instance);
208 
209 
210 /*
211  * MFI command completion codes
212  */
213 enum MFI_STAT {
214 	MFI_STAT_OK = 0x00,
215 	MFI_STAT_INVALID_CMD = 0x01,
216 	MFI_STAT_INVALID_DCMD = 0x02,
217 	MFI_STAT_INVALID_PARAMETER = 0x03,
218 	MFI_STAT_INVALID_SEQUENCE_NUMBER = 0x04,
219 	MFI_STAT_ABORT_NOT_POSSIBLE = 0x05,
220 	MFI_STAT_APP_HOST_CODE_NOT_FOUND = 0x06,
221 	MFI_STAT_APP_IN_USE = 0x07,
222 	MFI_STAT_APP_NOT_INITIALIZED = 0x08,
223 	MFI_STAT_ARRAY_INDEX_INVALID = 0x09,
224 	MFI_STAT_ARRAY_ROW_NOT_EMPTY = 0x0a,
225 	MFI_STAT_CONFIG_RESOURCE_CONFLICT = 0x0b,
226 	MFI_STAT_DEVICE_NOT_FOUND = 0x0c,
227 	MFI_STAT_DRIVE_TOO_SMALL = 0x0d,
228 	MFI_STAT_FLASH_ALLOC_FAIL = 0x0e,
229 	MFI_STAT_FLASH_BUSY = 0x0f,
230 	MFI_STAT_FLASH_ERROR = 0x10,
231 	MFI_STAT_FLASH_IMAGE_BAD = 0x11,
232 	MFI_STAT_FLASH_IMAGE_INCOMPLETE = 0x12,
233 	MFI_STAT_FLASH_NOT_OPEN = 0x13,
234 	MFI_STAT_FLASH_NOT_STARTED = 0x14,
235 	MFI_STAT_FLUSH_FAILED = 0x15,
236 	MFI_STAT_HOST_CODE_NOT_FOUNT = 0x16,
237 	MFI_STAT_LD_CC_IN_PROGRESS = 0x17,
238 	MFI_STAT_LD_INIT_IN_PROGRESS = 0x18,
239 	MFI_STAT_LD_LBA_OUT_OF_RANGE = 0x19,
240 	MFI_STAT_LD_MAX_CONFIGURED = 0x1a,
241 	MFI_STAT_LD_NOT_OPTIMAL = 0x1b,
242 	MFI_STAT_LD_RBLD_IN_PROGRESS = 0x1c,
243 	MFI_STAT_LD_RECON_IN_PROGRESS = 0x1d,
244 	MFI_STAT_LD_WRONG_RAID_LEVEL = 0x1e,
245 	MFI_STAT_MAX_SPARES_EXCEEDED = 0x1f,
246 	MFI_STAT_MEMORY_NOT_AVAILABLE = 0x20,
247 	MFI_STAT_MFC_HW_ERROR = 0x21,
248 	MFI_STAT_NO_HW_PRESENT = 0x22,
249 	MFI_STAT_NOT_FOUND = 0x23,
250 	MFI_STAT_NOT_IN_ENCL = 0x24,
251 	MFI_STAT_PD_CLEAR_IN_PROGRESS = 0x25,
252 	MFI_STAT_PD_TYPE_WRONG = 0x26,
253 	MFI_STAT_PR_DISABLED = 0x27,
254 	MFI_STAT_ROW_INDEX_INVALID = 0x28,
255 	MFI_STAT_SAS_CONFIG_INVALID_ACTION = 0x29,
256 	MFI_STAT_SAS_CONFIG_INVALID_DATA = 0x2a,
257 	MFI_STAT_SAS_CONFIG_INVALID_PAGE = 0x2b,
258 	MFI_STAT_SAS_CONFIG_INVALID_TYPE = 0x2c,
259 	MFI_STAT_SCSI_DONE_WITH_ERROR = 0x2d,
260 	MFI_STAT_SCSI_IO_FAILED = 0x2e,
261 	MFI_STAT_SCSI_RESERVATION_CONFLICT = 0x2f,
262 	MFI_STAT_SHUTDOWN_FAILED = 0x30,
263 	MFI_STAT_TIME_NOT_SET = 0x31,
264 	MFI_STAT_WRONG_STATE = 0x32,
265 	MFI_STAT_LD_OFFLINE = 0x33,
266 	MFI_STAT_PEER_NOTIFICATION_REJECTED = 0x34,
267 	MFI_STAT_PEER_NOTIFICATION_FAILED = 0x35,
268 	MFI_STAT_RESERVATION_IN_PROGRESS = 0x36,
269 	MFI_STAT_I2C_ERRORS_DETECTED = 0x37,
270 	MFI_STAT_PCI_ERRORS_DETECTED = 0x38,
271 	MFI_STAT_CONFIG_SEQ_MISMATCH = 0x67,
272 
273 	MFI_STAT_INVALID_STATUS = 0xFF
274 };
275 
276 /*
277  * Crash dump related defines
278  */
279 #define MAX_CRASH_DUMP_SIZE 512
280 #define CRASH_DMA_BUF_SIZE  (1024 * 1024)
281 
282 enum MR_FW_CRASH_DUMP_STATE {
283 	UNAVAILABLE = 0,
284 	AVAILABLE = 1,
285 	COPYING = 2,
286 	COPIED = 3,
287 	COPY_ERROR = 4,
288 };
289 
290 enum _MR_CRASH_BUF_STATUS {
291 	MR_CRASH_BUF_TURN_OFF = 0,
292 	MR_CRASH_BUF_TURN_ON = 1,
293 };
294 
295 /*
296  * Number of mailbox bytes in DCMD message frame
297  */
298 #define MFI_MBOX_SIZE				12
299 
300 enum MR_EVT_CLASS {
301 
302 	MR_EVT_CLASS_DEBUG = -2,
303 	MR_EVT_CLASS_PROGRESS = -1,
304 	MR_EVT_CLASS_INFO = 0,
305 	MR_EVT_CLASS_WARNING = 1,
306 	MR_EVT_CLASS_CRITICAL = 2,
307 	MR_EVT_CLASS_FATAL = 3,
308 	MR_EVT_CLASS_DEAD = 4,
309 
310 };
311 
312 enum MR_EVT_LOCALE {
313 
314 	MR_EVT_LOCALE_LD = 0x0001,
315 	MR_EVT_LOCALE_PD = 0x0002,
316 	MR_EVT_LOCALE_ENCL = 0x0004,
317 	MR_EVT_LOCALE_BBU = 0x0008,
318 	MR_EVT_LOCALE_SAS = 0x0010,
319 	MR_EVT_LOCALE_CTRL = 0x0020,
320 	MR_EVT_LOCALE_CONFIG = 0x0040,
321 	MR_EVT_LOCALE_CLUSTER = 0x0080,
322 	MR_EVT_LOCALE_ALL = 0xffff,
323 
324 };
325 
326 enum MR_EVT_ARGS {
327 
328 	MR_EVT_ARGS_NONE,
329 	MR_EVT_ARGS_CDB_SENSE,
330 	MR_EVT_ARGS_LD,
331 	MR_EVT_ARGS_LD_COUNT,
332 	MR_EVT_ARGS_LD_LBA,
333 	MR_EVT_ARGS_LD_OWNER,
334 	MR_EVT_ARGS_LD_LBA_PD_LBA,
335 	MR_EVT_ARGS_LD_PROG,
336 	MR_EVT_ARGS_LD_STATE,
337 	MR_EVT_ARGS_LD_STRIP,
338 	MR_EVT_ARGS_PD,
339 	MR_EVT_ARGS_PD_ERR,
340 	MR_EVT_ARGS_PD_LBA,
341 	MR_EVT_ARGS_PD_LBA_LD,
342 	MR_EVT_ARGS_PD_PROG,
343 	MR_EVT_ARGS_PD_STATE,
344 	MR_EVT_ARGS_PCI,
345 	MR_EVT_ARGS_RATE,
346 	MR_EVT_ARGS_STR,
347 	MR_EVT_ARGS_TIME,
348 	MR_EVT_ARGS_ECC,
349 	MR_EVT_ARGS_LD_PROP,
350 	MR_EVT_ARGS_PD_SPARE,
351 	MR_EVT_ARGS_PD_INDEX,
352 	MR_EVT_ARGS_DIAG_PASS,
353 	MR_EVT_ARGS_DIAG_FAIL,
354 	MR_EVT_ARGS_PD_LBA_LBA,
355 	MR_EVT_ARGS_PORT_PHY,
356 	MR_EVT_ARGS_PD_MISSING,
357 	MR_EVT_ARGS_PD_ADDRESS,
358 	MR_EVT_ARGS_BITMAP,
359 	MR_EVT_ARGS_CONNECTOR,
360 	MR_EVT_ARGS_PD_PD,
361 	MR_EVT_ARGS_PD_FRU,
362 	MR_EVT_ARGS_PD_PATHINFO,
363 	MR_EVT_ARGS_PD_POWER_STATE,
364 	MR_EVT_ARGS_GENERIC,
365 };
366 
367 /*
368  * define constants for device list query options
369  */
370 enum MR_PD_QUERY_TYPE {
371 	MR_PD_QUERY_TYPE_ALL                = 0,
372 	MR_PD_QUERY_TYPE_STATE              = 1,
373 	MR_PD_QUERY_TYPE_POWER_STATE        = 2,
374 	MR_PD_QUERY_TYPE_MEDIA_TYPE         = 3,
375 	MR_PD_QUERY_TYPE_SPEED              = 4,
376 	MR_PD_QUERY_TYPE_EXPOSED_TO_HOST    = 5,
377 };
378 
379 enum MR_LD_QUERY_TYPE {
380 	MR_LD_QUERY_TYPE_ALL	         = 0,
381 	MR_LD_QUERY_TYPE_EXPOSED_TO_HOST = 1,
382 	MR_LD_QUERY_TYPE_USED_TGT_IDS    = 2,
383 	MR_LD_QUERY_TYPE_CLUSTER_ACCESS  = 3,
384 	MR_LD_QUERY_TYPE_CLUSTER_LOCALE  = 4,
385 };
386 
387 
388 #define MR_EVT_CFG_CLEARED                              0x0004
389 #define MR_EVT_LD_STATE_CHANGE                          0x0051
390 #define MR_EVT_PD_INSERTED                              0x005b
391 #define MR_EVT_PD_REMOVED                               0x0070
392 #define MR_EVT_LD_CREATED                               0x008a
393 #define MR_EVT_LD_DELETED                               0x008b
394 #define MR_EVT_FOREIGN_CFG_IMPORTED                     0x00db
395 #define MR_EVT_LD_OFFLINE                               0x00fc
396 #define MR_EVT_CTRL_HOST_BUS_SCAN_REQUESTED             0x0152
397 
398 enum MR_PD_STATE {
399 	MR_PD_STATE_UNCONFIGURED_GOOD   = 0x00,
400 	MR_PD_STATE_UNCONFIGURED_BAD    = 0x01,
401 	MR_PD_STATE_HOT_SPARE           = 0x02,
402 	MR_PD_STATE_OFFLINE             = 0x10,
403 	MR_PD_STATE_FAILED              = 0x11,
404 	MR_PD_STATE_REBUILD             = 0x14,
405 	MR_PD_STATE_ONLINE              = 0x18,
406 	MR_PD_STATE_COPYBACK            = 0x20,
407 	MR_PD_STATE_SYSTEM              = 0x40,
408  };
409 
410 
411  /*
412  * defines the physical drive address structure
413  */
414 struct MR_PD_ADDRESS {
415 	__le16	deviceId;
416 	u16     enclDeviceId;
417 
418 	union {
419 		struct {
420 			u8  enclIndex;
421 			u8  slotNumber;
422 		} mrPdAddress;
423 		struct {
424 			u8  enclPosition;
425 			u8  enclConnectorIndex;
426 		} mrEnclAddress;
427 	};
428 	u8      scsiDevType;
429 	union {
430 		u8      connectedPortBitmap;
431 		u8      connectedPortNumbers;
432 	};
433 	u64     sasAddr[2];
434 } __packed;
435 
436 /*
437  * defines the physical drive list structure
438  */
439 struct MR_PD_LIST {
440 	__le32		size;
441 	__le32		count;
442 	struct MR_PD_ADDRESS   addr[1];
443 } __packed;
444 
445 struct megasas_pd_list {
446 	u16             tid;
447 	u8             driveType;
448 	u8             driveState;
449 } __packed;
450 
451  /*
452  * defines the logical drive reference structure
453  */
454 union  MR_LD_REF {
455 	struct {
456 		u8      targetId;
457 		u8      reserved;
458 		__le16     seqNum;
459 	};
460 	__le32     ref;
461 } __packed;
462 
463 /*
464  * defines the logical drive list structure
465  */
466 struct MR_LD_LIST {
467 	__le32     ldCount;
468 	__le32     reserved;
469 	struct {
470 		union MR_LD_REF   ref;
471 		u8          state;
472 		u8          reserved[3];
473 		__le64		size;
474 	} ldList[MAX_LOGICAL_DRIVES_EXT];
475 } __packed;
476 
477 struct MR_LD_TARGETID_LIST {
478 	__le32	size;
479 	__le32	count;
480 	u8	pad[3];
481 	u8	targetId[MAX_LOGICAL_DRIVES_EXT];
482 };
483 
484 
485 /*
486  * SAS controller properties
487  */
488 struct megasas_ctrl_prop {
489 
490 	u16 seq_num;
491 	u16 pred_fail_poll_interval;
492 	u16 intr_throttle_count;
493 	u16 intr_throttle_timeouts;
494 	u8 rebuild_rate;
495 	u8 patrol_read_rate;
496 	u8 bgi_rate;
497 	u8 cc_rate;
498 	u8 recon_rate;
499 	u8 cache_flush_interval;
500 	u8 spinup_drv_count;
501 	u8 spinup_delay;
502 	u8 cluster_enable;
503 	u8 coercion_mode;
504 	u8 alarm_enable;
505 	u8 disable_auto_rebuild;
506 	u8 disable_battery_warn;
507 	u8 ecc_bucket_size;
508 	u16 ecc_bucket_leak_rate;
509 	u8 restore_hotspare_on_insertion;
510 	u8 expose_encl_devices;
511 	u8 maintainPdFailHistory;
512 	u8 disallowHostRequestReordering;
513 	u8 abortCCOnError;
514 	u8 loadBalanceMode;
515 	u8 disableAutoDetectBackplane;
516 
517 	u8 snapVDSpace;
518 
519 	/*
520 	* Add properties that can be controlled by
521 	* a bit in the following structure.
522 	*/
523 	struct {
524 #if   defined(__BIG_ENDIAN_BITFIELD)
525 		u32     reserved:18;
526 		u32     enableJBOD:1;
527 		u32     disableSpinDownHS:1;
528 		u32     allowBootWithPinnedCache:1;
529 		u32     disableOnlineCtrlReset:1;
530 		u32     enableSecretKeyControl:1;
531 		u32     autoEnhancedImport:1;
532 		u32     enableSpinDownUnconfigured:1;
533 		u32     SSDPatrolReadEnabled:1;
534 		u32     SSDSMARTerEnabled:1;
535 		u32     disableNCQ:1;
536 		u32     useFdeOnly:1;
537 		u32     prCorrectUnconfiguredAreas:1;
538 		u32     SMARTerEnabled:1;
539 		u32     copyBackDisabled:1;
540 #else
541 		u32     copyBackDisabled:1;
542 		u32     SMARTerEnabled:1;
543 		u32     prCorrectUnconfiguredAreas:1;
544 		u32     useFdeOnly:1;
545 		u32     disableNCQ:1;
546 		u32     SSDSMARTerEnabled:1;
547 		u32     SSDPatrolReadEnabled:1;
548 		u32     enableSpinDownUnconfigured:1;
549 		u32     autoEnhancedImport:1;
550 		u32     enableSecretKeyControl:1;
551 		u32     disableOnlineCtrlReset:1;
552 		u32     allowBootWithPinnedCache:1;
553 		u32     disableSpinDownHS:1;
554 		u32     enableJBOD:1;
555 		u32     reserved:18;
556 #endif
557 	} OnOffProperties;
558 	u8 autoSnapVDSpace;
559 	u8 viewSpace;
560 	__le16 spinDownTime;
561 	u8  reserved[24];
562 } __packed;
563 
564 /*
565  * SAS controller information
566  */
567 struct megasas_ctrl_info {
568 
569 	/*
570 	 * PCI device information
571 	 */
572 	struct {
573 
574 		__le16 vendor_id;
575 		__le16 device_id;
576 		__le16 sub_vendor_id;
577 		__le16 sub_device_id;
578 		u8 reserved[24];
579 
580 	} __attribute__ ((packed)) pci;
581 
582 	/*
583 	 * Host interface information
584 	 */
585 	struct {
586 
587 		u8 PCIX:1;
588 		u8 PCIE:1;
589 		u8 iSCSI:1;
590 		u8 SAS_3G:1;
591 		u8 SRIOV:1;
592 		u8 reserved_0:3;
593 		u8 reserved_1[6];
594 		u8 port_count;
595 		u64 port_addr[8];
596 
597 	} __attribute__ ((packed)) host_interface;
598 
599 	/*
600 	 * Device (backend) interface information
601 	 */
602 	struct {
603 
604 		u8 SPI:1;
605 		u8 SAS_3G:1;
606 		u8 SATA_1_5G:1;
607 		u8 SATA_3G:1;
608 		u8 reserved_0:4;
609 		u8 reserved_1[6];
610 		u8 port_count;
611 		u64 port_addr[8];
612 
613 	} __attribute__ ((packed)) device_interface;
614 
615 	/*
616 	 * List of components residing in flash. All str are null terminated
617 	 */
618 	__le32 image_check_word;
619 	__le32 image_component_count;
620 
621 	struct {
622 
623 		char name[8];
624 		char version[32];
625 		char build_date[16];
626 		char built_time[16];
627 
628 	} __attribute__ ((packed)) image_component[8];
629 
630 	/*
631 	 * List of flash components that have been flashed on the card, but
632 	 * are not in use, pending reset of the adapter. This list will be
633 	 * empty if a flash operation has not occurred. All stings are null
634 	 * terminated
635 	 */
636 	__le32 pending_image_component_count;
637 
638 	struct {
639 
640 		char name[8];
641 		char version[32];
642 		char build_date[16];
643 		char build_time[16];
644 
645 	} __attribute__ ((packed)) pending_image_component[8];
646 
647 	u8 max_arms;
648 	u8 max_spans;
649 	u8 max_arrays;
650 	u8 max_lds;
651 
652 	char product_name[80];
653 	char serial_no[32];
654 
655 	/*
656 	 * Other physical/controller/operation information. Indicates the
657 	 * presence of the hardware
658 	 */
659 	struct {
660 
661 		u32 bbu:1;
662 		u32 alarm:1;
663 		u32 nvram:1;
664 		u32 uart:1;
665 		u32 reserved:28;
666 
667 	} __attribute__ ((packed)) hw_present;
668 
669 	__le32 current_fw_time;
670 
671 	/*
672 	 * Maximum data transfer sizes
673 	 */
674 	__le16 max_concurrent_cmds;
675 	__le16 max_sge_count;
676 	__le32 max_request_size;
677 
678 	/*
679 	 * Logical and physical device counts
680 	 */
681 	__le16 ld_present_count;
682 	__le16 ld_degraded_count;
683 	__le16 ld_offline_count;
684 
685 	__le16 pd_present_count;
686 	__le16 pd_disk_present_count;
687 	__le16 pd_disk_pred_failure_count;
688 	__le16 pd_disk_failed_count;
689 
690 	/*
691 	 * Memory size information
692 	 */
693 	__le16 nvram_size;
694 	__le16 memory_size;
695 	__le16 flash_size;
696 
697 	/*
698 	 * Error counters
699 	 */
700 	__le16 mem_correctable_error_count;
701 	__le16 mem_uncorrectable_error_count;
702 
703 	/*
704 	 * Cluster information
705 	 */
706 	u8 cluster_permitted;
707 	u8 cluster_active;
708 
709 	/*
710 	 * Additional max data transfer sizes
711 	 */
712 	__le16 max_strips_per_io;
713 
714 	/*
715 	 * Controller capabilities structures
716 	 */
717 	struct {
718 
719 		u32 raid_level_0:1;
720 		u32 raid_level_1:1;
721 		u32 raid_level_5:1;
722 		u32 raid_level_1E:1;
723 		u32 raid_level_6:1;
724 		u32 reserved:27;
725 
726 	} __attribute__ ((packed)) raid_levels;
727 
728 	struct {
729 
730 		u32 rbld_rate:1;
731 		u32 cc_rate:1;
732 		u32 bgi_rate:1;
733 		u32 recon_rate:1;
734 		u32 patrol_rate:1;
735 		u32 alarm_control:1;
736 		u32 cluster_supported:1;
737 		u32 bbu:1;
738 		u32 spanning_allowed:1;
739 		u32 dedicated_hotspares:1;
740 		u32 revertible_hotspares:1;
741 		u32 foreign_config_import:1;
742 		u32 self_diagnostic:1;
743 		u32 mixed_redundancy_arr:1;
744 		u32 global_hot_spares:1;
745 		u32 reserved:17;
746 
747 	} __attribute__ ((packed)) adapter_operations;
748 
749 	struct {
750 
751 		u32 read_policy:1;
752 		u32 write_policy:1;
753 		u32 io_policy:1;
754 		u32 access_policy:1;
755 		u32 disk_cache_policy:1;
756 		u32 reserved:27;
757 
758 	} __attribute__ ((packed)) ld_operations;
759 
760 	struct {
761 
762 		u8 min;
763 		u8 max;
764 		u8 reserved[2];
765 
766 	} __attribute__ ((packed)) stripe_sz_ops;
767 
768 	struct {
769 
770 		u32 force_online:1;
771 		u32 force_offline:1;
772 		u32 force_rebuild:1;
773 		u32 reserved:29;
774 
775 	} __attribute__ ((packed)) pd_operations;
776 
777 	struct {
778 
779 		u32 ctrl_supports_sas:1;
780 		u32 ctrl_supports_sata:1;
781 		u32 allow_mix_in_encl:1;
782 		u32 allow_mix_in_ld:1;
783 		u32 allow_sata_in_cluster:1;
784 		u32 reserved:27;
785 
786 	} __attribute__ ((packed)) pd_mix_support;
787 
788 	/*
789 	 * Define ECC single-bit-error bucket information
790 	 */
791 	u8 ecc_bucket_count;
792 	u8 reserved_2[11];
793 
794 	/*
795 	 * Include the controller properties (changeable items)
796 	 */
797 	struct megasas_ctrl_prop properties;
798 
799 	/*
800 	 * Define FW pkg version (set in envt v'bles on OEM basis)
801 	 */
802 	char package_version[0x60];
803 
804 
805 	/*
806 	* If adapterOperations.supportMoreThan8Phys is set,
807 	* and deviceInterface.portCount is greater than 8,
808 	* SAS Addrs for first 8 ports shall be populated in
809 	* deviceInterface.portAddr, and the rest shall be
810 	* populated in deviceInterfacePortAddr2.
811 	*/
812 	__le64	    deviceInterfacePortAddr2[8]; /*6a0h */
813 	u8          reserved3[128];              /*6e0h */
814 
815 	struct {                                /*760h */
816 		u16 minPdRaidLevel_0:4;
817 		u16 maxPdRaidLevel_0:12;
818 
819 		u16 minPdRaidLevel_1:4;
820 		u16 maxPdRaidLevel_1:12;
821 
822 		u16 minPdRaidLevel_5:4;
823 		u16 maxPdRaidLevel_5:12;
824 
825 		u16 minPdRaidLevel_1E:4;
826 		u16 maxPdRaidLevel_1E:12;
827 
828 		u16 minPdRaidLevel_6:4;
829 		u16 maxPdRaidLevel_6:12;
830 
831 		u16 minPdRaidLevel_10:4;
832 		u16 maxPdRaidLevel_10:12;
833 
834 		u16 minPdRaidLevel_50:4;
835 		u16 maxPdRaidLevel_50:12;
836 
837 		u16 minPdRaidLevel_60:4;
838 		u16 maxPdRaidLevel_60:12;
839 
840 		u16 minPdRaidLevel_1E_RLQ0:4;
841 		u16 maxPdRaidLevel_1E_RLQ0:12;
842 
843 		u16 minPdRaidLevel_1E0_RLQ0:4;
844 		u16 maxPdRaidLevel_1E0_RLQ0:12;
845 
846 		u16 reserved[6];
847 	} pdsForRaidLevels;
848 
849 	__le16 maxPds;                          /*780h */
850 	__le16 maxDedHSPs;                      /*782h */
851 	__le16 maxGlobalHSP;                    /*784h */
852 	__le16 ddfSize;                         /*786h */
853 	u8  maxLdsPerArray;                     /*788h */
854 	u8  partitionsInDDF;                    /*789h */
855 	u8  lockKeyBinding;                     /*78ah */
856 	u8  maxPITsPerLd;                       /*78bh */
857 	u8  maxViewsPerLd;                      /*78ch */
858 	u8  maxTargetId;                        /*78dh */
859 	__le16 maxBvlVdSize;                    /*78eh */
860 
861 	__le16 maxConfigurableSSCSize;          /*790h */
862 	__le16 currentSSCsize;                  /*792h */
863 
864 	char    expanderFwVersion[12];          /*794h */
865 
866 	__le16 PFKTrialTimeRemaining;           /*7A0h */
867 
868 	__le16 cacheMemorySize;                 /*7A2h */
869 
870 	struct {                                /*7A4h */
871 #if   defined(__BIG_ENDIAN_BITFIELD)
872 		u32     reserved:5;
873 		u32	activePassive:2;
874 		u32	supportConfigAutoBalance:1;
875 		u32	mpio:1;
876 		u32	supportDataLDonSSCArray:1;
877 		u32	supportPointInTimeProgress:1;
878 		u32     supportUnevenSpans:1;
879 		u32     dedicatedHotSparesLimited:1;
880 		u32     headlessMode:1;
881 		u32     supportEmulatedDrives:1;
882 		u32     supportResetNow:1;
883 		u32     realTimeScheduler:1;
884 		u32     supportSSDPatrolRead:1;
885 		u32     supportPerfTuning:1;
886 		u32     disableOnlinePFKChange:1;
887 		u32     supportJBOD:1;
888 		u32     supportBootTimePFKChange:1;
889 		u32     supportSetLinkSpeed:1;
890 		u32     supportEmergencySpares:1;
891 		u32     supportSuspendResumeBGops:1;
892 		u32     blockSSDWriteCacheChange:1;
893 		u32     supportShieldState:1;
894 		u32     supportLdBBMInfo:1;
895 		u32     supportLdPIType3:1;
896 		u32     supportLdPIType2:1;
897 		u32     supportLdPIType1:1;
898 		u32     supportPIcontroller:1;
899 #else
900 		u32     supportPIcontroller:1;
901 		u32     supportLdPIType1:1;
902 		u32     supportLdPIType2:1;
903 		u32     supportLdPIType3:1;
904 		u32     supportLdBBMInfo:1;
905 		u32     supportShieldState:1;
906 		u32     blockSSDWriteCacheChange:1;
907 		u32     supportSuspendResumeBGops:1;
908 		u32     supportEmergencySpares:1;
909 		u32     supportSetLinkSpeed:1;
910 		u32     supportBootTimePFKChange:1;
911 		u32     supportJBOD:1;
912 		u32     disableOnlinePFKChange:1;
913 		u32     supportPerfTuning:1;
914 		u32     supportSSDPatrolRead:1;
915 		u32     realTimeScheduler:1;
916 
917 		u32     supportResetNow:1;
918 		u32     supportEmulatedDrives:1;
919 		u32     headlessMode:1;
920 		u32     dedicatedHotSparesLimited:1;
921 
922 
923 		u32     supportUnevenSpans:1;
924 		u32	supportPointInTimeProgress:1;
925 		u32	supportDataLDonSSCArray:1;
926 		u32	mpio:1;
927 		u32	supportConfigAutoBalance:1;
928 		u32	activePassive:2;
929 		u32     reserved:5;
930 #endif
931 	} adapterOperations2;
932 
933 	u8  driverVersion[32];                  /*7A8h */
934 	u8  maxDAPdCountSpinup60;               /*7C8h */
935 	u8  temperatureROC;                     /*7C9h */
936 	u8  temperatureCtrl;                    /*7CAh */
937 	u8  reserved4;                          /*7CBh */
938 	__le16 maxConfigurablePds;              /*7CCh */
939 
940 
941 	u8  reserved5[2];                       /*0x7CDh */
942 
943 	/*
944 	* HA cluster information
945 	*/
946 	struct {
947 #if defined(__BIG_ENDIAN_BITFIELD)
948 		u32     reserved:26;
949 		u32     premiumFeatureMismatch:1;
950 		u32     ctrlPropIncompatible:1;
951 		u32     fwVersionMismatch:1;
952 		u32     hwIncompatible:1;
953 		u32     peerIsIncompatible:1;
954 		u32     peerIsPresent:1;
955 #else
956 		u32     peerIsPresent:1;
957 		u32     peerIsIncompatible:1;
958 		u32     hwIncompatible:1;
959 		u32     fwVersionMismatch:1;
960 		u32     ctrlPropIncompatible:1;
961 		u32     premiumFeatureMismatch:1;
962 		u32     reserved:26;
963 #endif
964 	} cluster;
965 
966 	char clusterId[16];                     /*7D4h */
967 	struct {
968 		u8  maxVFsSupported;            /*0x7E4*/
969 		u8  numVFsEnabled;              /*0x7E5*/
970 		u8  requestorId;                /*0x7E6 0:PF, 1:VF1, 2:VF2*/
971 		u8  reserved;                   /*0x7E7*/
972 	} iov;
973 
974 	struct {
975 #if defined(__BIG_ENDIAN_BITFIELD)
976 		u32     reserved:12;
977 		u32     discardCacheDuringLDDelete:1;
978 		u32     supportSecurityonJBOD:1;
979 		u32     supportCacheBypassModes:1;
980 		u32     supportDisableSESMonitoring:1;
981 		u32     supportForceFlash:1;
982 		u32     supportNVDRAM:1;
983 		u32     supportDrvActivityLEDSetting:1;
984 		u32     supportAllowedOpsforDrvRemoval:1;
985 		u32     supportHOQRebuild:1;
986 		u32     supportForceTo512e:1;
987 		u32     supportNVCacheErase:1;
988 		u32     supportDebugQueue:1;
989 		u32     supportSwZone:1;
990 		u32     supportCrashDump:1;
991 		u32     supportMaxExtLDs:1;
992 		u32     supportT10RebuildAssist:1;
993 		u32     supportDisableImmediateIO:1;
994 		u32     supportThermalPollInterval:1;
995 		u32     supportPersonalityChange:2;
996 #else
997 		u32     supportPersonalityChange:2;
998 		u32     supportThermalPollInterval:1;
999 		u32     supportDisableImmediateIO:1;
1000 		u32     supportT10RebuildAssist:1;
1001 		u32	supportMaxExtLDs:1;
1002 		u32	supportCrashDump:1;
1003 		u32     supportSwZone:1;
1004 		u32     supportDebugQueue:1;
1005 		u32     supportNVCacheErase:1;
1006 		u32     supportForceTo512e:1;
1007 		u32     supportHOQRebuild:1;
1008 		u32     supportAllowedOpsforDrvRemoval:1;
1009 		u32     supportDrvActivityLEDSetting:1;
1010 		u32     supportNVDRAM:1;
1011 		u32     supportForceFlash:1;
1012 		u32     supportDisableSESMonitoring:1;
1013 		u32     supportCacheBypassModes:1;
1014 		u32     supportSecurityonJBOD:1;
1015 		u32     discardCacheDuringLDDelete:1;
1016 		u32     reserved:12;
1017 #endif
1018 	} adapterOperations3;
1019 
1020 	u8          pad[0x800-0x7EC];
1021 } __packed;
1022 
1023 /*
1024  * ===============================
1025  * MegaRAID SAS driver definitions
1026  * ===============================
1027  */
1028 #define MEGASAS_MAX_PD_CHANNELS			2
1029 #define MEGASAS_MAX_LD_CHANNELS			2
1030 #define MEGASAS_MAX_CHANNELS			(MEGASAS_MAX_PD_CHANNELS + \
1031 						MEGASAS_MAX_LD_CHANNELS)
1032 #define MEGASAS_MAX_DEV_PER_CHANNEL		128
1033 #define MEGASAS_DEFAULT_INIT_ID			-1
1034 #define MEGASAS_MAX_LUN				8
1035 #define MEGASAS_DEFAULT_CMD_PER_LUN		256
1036 #define MEGASAS_MAX_PD                          (MEGASAS_MAX_PD_CHANNELS * \
1037 						MEGASAS_MAX_DEV_PER_CHANNEL)
1038 #define MEGASAS_MAX_LD_IDS			(MEGASAS_MAX_LD_CHANNELS * \
1039 						MEGASAS_MAX_DEV_PER_CHANNEL)
1040 
1041 #define MEGASAS_MAX_SECTORS                    (2*1024)
1042 #define MEGASAS_MAX_SECTORS_IEEE		(2*128)
1043 #define MEGASAS_DBG_LVL				1
1044 
1045 #define MEGASAS_FW_BUSY				1
1046 
1047 #define VD_EXT_DEBUG 0
1048 
1049 
1050 enum MR_SCSI_CMD_TYPE {
1051 	READ_WRITE_LDIO = 0,
1052 	NON_READ_WRITE_LDIO = 1,
1053 	READ_WRITE_SYSPDIO = 2,
1054 	NON_READ_WRITE_SYSPDIO = 3,
1055 };
1056 
1057 /* Frame Type */
1058 #define IO_FRAME				0
1059 #define PTHRU_FRAME				1
1060 
1061 /*
1062  * When SCSI mid-layer calls driver's reset routine, driver waits for
1063  * MEGASAS_RESET_WAIT_TIME seconds for all outstanding IO to complete. Note
1064  * that the driver cannot _actually_ abort or reset pending commands. While
1065  * it is waiting for the commands to complete, it prints a diagnostic message
1066  * every MEGASAS_RESET_NOTICE_INTERVAL seconds
1067  */
1068 #define MEGASAS_RESET_WAIT_TIME			180
1069 #define MEGASAS_INTERNAL_CMD_WAIT_TIME		180
1070 #define	MEGASAS_RESET_NOTICE_INTERVAL		5
1071 #define MEGASAS_IOCTL_CMD			0
1072 #define MEGASAS_DEFAULT_CMD_TIMEOUT		90
1073 #define MEGASAS_THROTTLE_QUEUE_DEPTH		16
1074 #define MEGASAS_BLOCKED_CMD_TIMEOUT		60
1075 /*
1076  * FW reports the maximum of number of commands that it can accept (maximum
1077  * commands that can be outstanding) at any time. The driver must report a
1078  * lower number to the mid layer because it can issue a few internal commands
1079  * itself (E.g, AEN, abort cmd, IOCTLs etc). The number of commands it needs
1080  * is shown below
1081  */
1082 #define MEGASAS_INT_CMDS			32
1083 #define MEGASAS_SKINNY_INT_CMDS			5
1084 #define MEGASAS_FUSION_INTERNAL_CMDS		5
1085 #define MEGASAS_FUSION_IOCTL_CMDS		3
1086 #define MEGASAS_MFI_IOCTL_CMDS			27
1087 
1088 #define MEGASAS_MAX_MSIX_QUEUES			128
1089 /*
1090  * FW can accept both 32 and 64 bit SGLs. We want to allocate 32/64 bit
1091  * SGLs based on the size of dma_addr_t
1092  */
1093 #define IS_DMA64				(sizeof(dma_addr_t) == 8)
1094 
1095 #define MFI_XSCALE_OMR0_CHANGE_INTERRUPT		0x00000001
1096 
1097 #define MFI_INTR_FLAG_REPLY_MESSAGE			0x00000001
1098 #define MFI_INTR_FLAG_FIRMWARE_STATE_CHANGE		0x00000002
1099 #define MFI_G2_OUTBOUND_DOORBELL_CHANGE_INTERRUPT	0x00000004
1100 
1101 #define MFI_OB_INTR_STATUS_MASK			0x00000002
1102 #define MFI_POLL_TIMEOUT_SECS			60
1103 #define MEGASAS_SRIOV_HEARTBEAT_INTERVAL_VF	(5 * HZ)
1104 #define MEGASAS_OCR_SETTLE_TIME_VF		(1000 * 30)
1105 #define MEGASAS_ROUTINE_WAIT_TIME_VF		300
1106 #define MFI_REPLY_1078_MESSAGE_INTERRUPT	0x80000000
1107 #define MFI_REPLY_GEN2_MESSAGE_INTERRUPT	0x00000001
1108 #define MFI_GEN2_ENABLE_INTERRUPT_MASK		(0x00000001 | 0x00000004)
1109 #define MFI_REPLY_SKINNY_MESSAGE_INTERRUPT	0x40000000
1110 #define MFI_SKINNY_ENABLE_INTERRUPT_MASK	(0x00000001)
1111 
1112 #define MFI_1068_PCSR_OFFSET			0x84
1113 #define MFI_1068_FW_HANDSHAKE_OFFSET		0x64
1114 #define MFI_1068_FW_READY			0xDDDD0000
1115 
1116 #define MR_MAX_REPLY_QUEUES_OFFSET              0X0000001F
1117 #define MR_MAX_REPLY_QUEUES_EXT_OFFSET          0X003FC000
1118 #define MR_MAX_REPLY_QUEUES_EXT_OFFSET_SHIFT    14
1119 #define MR_MAX_MSIX_REG_ARRAY                   16
1120 /*
1121 * register set for both 1068 and 1078 controllers
1122 * structure extended for 1078 registers
1123 */
1124 
1125 struct megasas_register_set {
1126 	u32	doorbell;                       /*0000h*/
1127 	u32	fusion_seq_offset;		/*0004h*/
1128 	u32	fusion_host_diag;		/*0008h*/
1129 	u32	reserved_01;			/*000Ch*/
1130 
1131 	u32 	inbound_msg_0;			/*0010h*/
1132 	u32 	inbound_msg_1;			/*0014h*/
1133 	u32 	outbound_msg_0;			/*0018h*/
1134 	u32 	outbound_msg_1;			/*001Ch*/
1135 
1136 	u32 	inbound_doorbell;		/*0020h*/
1137 	u32 	inbound_intr_status;		/*0024h*/
1138 	u32 	inbound_intr_mask;		/*0028h*/
1139 
1140 	u32 	outbound_doorbell;		/*002Ch*/
1141 	u32 	outbound_intr_status;		/*0030h*/
1142 	u32 	outbound_intr_mask;		/*0034h*/
1143 
1144 	u32 	reserved_1[2];			/*0038h*/
1145 
1146 	u32 	inbound_queue_port;		/*0040h*/
1147 	u32 	outbound_queue_port;		/*0044h*/
1148 
1149 	u32	reserved_2[9];			/*0048h*/
1150 	u32	reply_post_host_index;		/*006Ch*/
1151 	u32	reserved_2_2[12];		/*0070h*/
1152 
1153 	u32 	outbound_doorbell_clear;	/*00A0h*/
1154 
1155 	u32 	reserved_3[3];			/*00A4h*/
1156 
1157 	u32 	outbound_scratch_pad ;		/*00B0h*/
1158 	u32	outbound_scratch_pad_2;         /*00B4h*/
1159 
1160 	u32	reserved_4[2];			/*00B8h*/
1161 
1162 	u32 	inbound_low_queue_port ;	/*00C0h*/
1163 
1164 	u32 	inbound_high_queue_port ;	/*00C4h*/
1165 
1166 	u32 	reserved_5;			/*00C8h*/
1167 	u32	res_6[11];			/*CCh*/
1168 	u32	host_diag;
1169 	u32	seq_offset;
1170 	u32 	index_registers[807];		/*00CCh*/
1171 } __attribute__ ((packed));
1172 
1173 struct megasas_sge32 {
1174 
1175 	__le32 phys_addr;
1176 	__le32 length;
1177 
1178 } __attribute__ ((packed));
1179 
1180 struct megasas_sge64 {
1181 
1182 	__le64 phys_addr;
1183 	__le32 length;
1184 
1185 } __attribute__ ((packed));
1186 
1187 struct megasas_sge_skinny {
1188 	__le64 phys_addr;
1189 	__le32 length;
1190 	__le32 flag;
1191 } __packed;
1192 
1193 union megasas_sgl {
1194 
1195 	struct megasas_sge32 sge32[1];
1196 	struct megasas_sge64 sge64[1];
1197 	struct megasas_sge_skinny sge_skinny[1];
1198 
1199 } __attribute__ ((packed));
1200 
1201 struct megasas_header {
1202 
1203 	u8 cmd;			/*00h */
1204 	u8 sense_len;		/*01h */
1205 	u8 cmd_status;		/*02h */
1206 	u8 scsi_status;		/*03h */
1207 
1208 	u8 target_id;		/*04h */
1209 	u8 lun;			/*05h */
1210 	u8 cdb_len;		/*06h */
1211 	u8 sge_count;		/*07h */
1212 
1213 	__le32 context;		/*08h */
1214 	__le32 pad_0;		/*0Ch */
1215 
1216 	__le16 flags;		/*10h */
1217 	__le16 timeout;		/*12h */
1218 	__le32 data_xferlen;	/*14h */
1219 
1220 } __attribute__ ((packed));
1221 
1222 union megasas_sgl_frame {
1223 
1224 	struct megasas_sge32 sge32[8];
1225 	struct megasas_sge64 sge64[5];
1226 
1227 } __attribute__ ((packed));
1228 
1229 typedef union _MFI_CAPABILITIES {
1230 	struct {
1231 #if   defined(__BIG_ENDIAN_BITFIELD)
1232 		u32     reserved:25;
1233 		u32     security_protocol_cmds_fw:1;
1234 		u32     support_core_affinity:1;
1235 		u32     support_ndrive_r1_lb:1;
1236 		u32	support_max_255lds:1;
1237 		u32	support_fastpath_wb:1;
1238 		u32     support_additional_msix:1;
1239 		u32     support_fp_remote_lun:1;
1240 #else
1241 		u32     support_fp_remote_lun:1;
1242 		u32     support_additional_msix:1;
1243 		u32	support_fastpath_wb:1;
1244 		u32	support_max_255lds:1;
1245 		u32     support_ndrive_r1_lb:1;
1246 		u32     support_core_affinity:1;
1247 		u32     security_protocol_cmds_fw:1;
1248 		u32     reserved:25;
1249 #endif
1250 	} mfi_capabilities;
1251 	__le32		reg;
1252 } MFI_CAPABILITIES;
1253 
1254 struct megasas_init_frame {
1255 
1256 	u8 cmd;			/*00h */
1257 	u8 reserved_0;		/*01h */
1258 	u8 cmd_status;		/*02h */
1259 
1260 	u8 reserved_1;		/*03h */
1261 	MFI_CAPABILITIES driver_operations; /*04h*/
1262 
1263 	__le32 context;		/*08h */
1264 	__le32 pad_0;		/*0Ch */
1265 
1266 	__le16 flags;		/*10h */
1267 	__le16 reserved_3;		/*12h */
1268 	__le32 data_xfer_len;	/*14h */
1269 
1270 	__le32 queue_info_new_phys_addr_lo;	/*18h */
1271 	__le32 queue_info_new_phys_addr_hi;	/*1Ch */
1272 	__le32 queue_info_old_phys_addr_lo;	/*20h */
1273 	__le32 queue_info_old_phys_addr_hi;	/*24h */
1274 	__le32 reserved_4[2];	/*28h */
1275 	__le32 system_info_lo;      /*30h */
1276 	__le32 system_info_hi;      /*34h */
1277 	__le32 reserved_5[2];	/*38h */
1278 
1279 } __attribute__ ((packed));
1280 
1281 struct megasas_init_queue_info {
1282 
1283 	__le32 init_flags;		/*00h */
1284 	__le32 reply_queue_entries;	/*04h */
1285 
1286 	__le32 reply_queue_start_phys_addr_lo;	/*08h */
1287 	__le32 reply_queue_start_phys_addr_hi;	/*0Ch */
1288 	__le32 producer_index_phys_addr_lo;	/*10h */
1289 	__le32 producer_index_phys_addr_hi;	/*14h */
1290 	__le32 consumer_index_phys_addr_lo;	/*18h */
1291 	__le32 consumer_index_phys_addr_hi;	/*1Ch */
1292 
1293 } __attribute__ ((packed));
1294 
1295 struct megasas_io_frame {
1296 
1297 	u8 cmd;			/*00h */
1298 	u8 sense_len;		/*01h */
1299 	u8 cmd_status;		/*02h */
1300 	u8 scsi_status;		/*03h */
1301 
1302 	u8 target_id;		/*04h */
1303 	u8 access_byte;		/*05h */
1304 	u8 reserved_0;		/*06h */
1305 	u8 sge_count;		/*07h */
1306 
1307 	__le32 context;		/*08h */
1308 	__le32 pad_0;		/*0Ch */
1309 
1310 	__le16 flags;		/*10h */
1311 	__le16 timeout;		/*12h */
1312 	__le32 lba_count;	/*14h */
1313 
1314 	__le32 sense_buf_phys_addr_lo;	/*18h */
1315 	__le32 sense_buf_phys_addr_hi;	/*1Ch */
1316 
1317 	__le32 start_lba_lo;	/*20h */
1318 	__le32 start_lba_hi;	/*24h */
1319 
1320 	union megasas_sgl sgl;	/*28h */
1321 
1322 } __attribute__ ((packed));
1323 
1324 struct megasas_pthru_frame {
1325 
1326 	u8 cmd;			/*00h */
1327 	u8 sense_len;		/*01h */
1328 	u8 cmd_status;		/*02h */
1329 	u8 scsi_status;		/*03h */
1330 
1331 	u8 target_id;		/*04h */
1332 	u8 lun;			/*05h */
1333 	u8 cdb_len;		/*06h */
1334 	u8 sge_count;		/*07h */
1335 
1336 	__le32 context;		/*08h */
1337 	__le32 pad_0;		/*0Ch */
1338 
1339 	__le16 flags;		/*10h */
1340 	__le16 timeout;		/*12h */
1341 	__le32 data_xfer_len;	/*14h */
1342 
1343 	__le32 sense_buf_phys_addr_lo;	/*18h */
1344 	__le32 sense_buf_phys_addr_hi;	/*1Ch */
1345 
1346 	u8 cdb[16];		/*20h */
1347 	union megasas_sgl sgl;	/*30h */
1348 
1349 } __attribute__ ((packed));
1350 
1351 struct megasas_dcmd_frame {
1352 
1353 	u8 cmd;			/*00h */
1354 	u8 reserved_0;		/*01h */
1355 	u8 cmd_status;		/*02h */
1356 	u8 reserved_1[4];	/*03h */
1357 	u8 sge_count;		/*07h */
1358 
1359 	__le32 context;		/*08h */
1360 	__le32 pad_0;		/*0Ch */
1361 
1362 	__le16 flags;		/*10h */
1363 	__le16 timeout;		/*12h */
1364 
1365 	__le32 data_xfer_len;	/*14h */
1366 	__le32 opcode;		/*18h */
1367 
1368 	union {			/*1Ch */
1369 		u8 b[12];
1370 		__le16 s[6];
1371 		__le32 w[3];
1372 	} mbox;
1373 
1374 	union megasas_sgl sgl;	/*28h */
1375 
1376 } __attribute__ ((packed));
1377 
1378 struct megasas_abort_frame {
1379 
1380 	u8 cmd;			/*00h */
1381 	u8 reserved_0;		/*01h */
1382 	u8 cmd_status;		/*02h */
1383 
1384 	u8 reserved_1;		/*03h */
1385 	__le32 reserved_2;	/*04h */
1386 
1387 	__le32 context;		/*08h */
1388 	__le32 pad_0;		/*0Ch */
1389 
1390 	__le16 flags;		/*10h */
1391 	__le16 reserved_3;	/*12h */
1392 	__le32 reserved_4;	/*14h */
1393 
1394 	__le32 abort_context;	/*18h */
1395 	__le32 pad_1;		/*1Ch */
1396 
1397 	__le32 abort_mfi_phys_addr_lo;	/*20h */
1398 	__le32 abort_mfi_phys_addr_hi;	/*24h */
1399 
1400 	__le32 reserved_5[6];	/*28h */
1401 
1402 } __attribute__ ((packed));
1403 
1404 struct megasas_smp_frame {
1405 
1406 	u8 cmd;			/*00h */
1407 	u8 reserved_1;		/*01h */
1408 	u8 cmd_status;		/*02h */
1409 	u8 connection_status;	/*03h */
1410 
1411 	u8 reserved_2[3];	/*04h */
1412 	u8 sge_count;		/*07h */
1413 
1414 	__le32 context;		/*08h */
1415 	__le32 pad_0;		/*0Ch */
1416 
1417 	__le16 flags;		/*10h */
1418 	__le16 timeout;		/*12h */
1419 
1420 	__le32 data_xfer_len;	/*14h */
1421 	__le64 sas_addr;	/*18h */
1422 
1423 	union {
1424 		struct megasas_sge32 sge32[2];	/* [0]: resp [1]: req */
1425 		struct megasas_sge64 sge64[2];	/* [0]: resp [1]: req */
1426 	} sgl;
1427 
1428 } __attribute__ ((packed));
1429 
1430 struct megasas_stp_frame {
1431 
1432 	u8 cmd;			/*00h */
1433 	u8 reserved_1;		/*01h */
1434 	u8 cmd_status;		/*02h */
1435 	u8 reserved_2;		/*03h */
1436 
1437 	u8 target_id;		/*04h */
1438 	u8 reserved_3[2];	/*05h */
1439 	u8 sge_count;		/*07h */
1440 
1441 	__le32 context;		/*08h */
1442 	__le32 pad_0;		/*0Ch */
1443 
1444 	__le16 flags;		/*10h */
1445 	__le16 timeout;		/*12h */
1446 
1447 	__le32 data_xfer_len;	/*14h */
1448 
1449 	__le16 fis[10];		/*18h */
1450 	__le32 stp_flags;
1451 
1452 	union {
1453 		struct megasas_sge32 sge32[2];	/* [0]: resp [1]: data */
1454 		struct megasas_sge64 sge64[2];	/* [0]: resp [1]: data */
1455 	} sgl;
1456 
1457 } __attribute__ ((packed));
1458 
1459 union megasas_frame {
1460 
1461 	struct megasas_header hdr;
1462 	struct megasas_init_frame init;
1463 	struct megasas_io_frame io;
1464 	struct megasas_pthru_frame pthru;
1465 	struct megasas_dcmd_frame dcmd;
1466 	struct megasas_abort_frame abort;
1467 	struct megasas_smp_frame smp;
1468 	struct megasas_stp_frame stp;
1469 
1470 	u8 raw_bytes[64];
1471 };
1472 
1473 struct megasas_cmd;
1474 
1475 union megasas_evt_class_locale {
1476 
1477 	struct {
1478 #ifndef __BIG_ENDIAN_BITFIELD
1479 		u16 locale;
1480 		u8 reserved;
1481 		s8 class;
1482 #else
1483 		s8 class;
1484 		u8 reserved;
1485 		u16 locale;
1486 #endif
1487 	} __attribute__ ((packed)) members;
1488 
1489 	u32 word;
1490 
1491 } __attribute__ ((packed));
1492 
1493 struct megasas_evt_log_info {
1494 	__le32 newest_seq_num;
1495 	__le32 oldest_seq_num;
1496 	__le32 clear_seq_num;
1497 	__le32 shutdown_seq_num;
1498 	__le32 boot_seq_num;
1499 
1500 } __attribute__ ((packed));
1501 
1502 struct megasas_progress {
1503 
1504 	__le16 progress;
1505 	__le16 elapsed_seconds;
1506 
1507 } __attribute__ ((packed));
1508 
1509 struct megasas_evtarg_ld {
1510 
1511 	u16 target_id;
1512 	u8 ld_index;
1513 	u8 reserved;
1514 
1515 } __attribute__ ((packed));
1516 
1517 struct megasas_evtarg_pd {
1518 	u16 device_id;
1519 	u8 encl_index;
1520 	u8 slot_number;
1521 
1522 } __attribute__ ((packed));
1523 
1524 struct megasas_evt_detail {
1525 
1526 	__le32 seq_num;
1527 	__le32 time_stamp;
1528 	__le32 code;
1529 	union megasas_evt_class_locale cl;
1530 	u8 arg_type;
1531 	u8 reserved1[15];
1532 
1533 	union {
1534 		struct {
1535 			struct megasas_evtarg_pd pd;
1536 			u8 cdb_length;
1537 			u8 sense_length;
1538 			u8 reserved[2];
1539 			u8 cdb[16];
1540 			u8 sense[64];
1541 		} __attribute__ ((packed)) cdbSense;
1542 
1543 		struct megasas_evtarg_ld ld;
1544 
1545 		struct {
1546 			struct megasas_evtarg_ld ld;
1547 			__le64 count;
1548 		} __attribute__ ((packed)) ld_count;
1549 
1550 		struct {
1551 			__le64 lba;
1552 			struct megasas_evtarg_ld ld;
1553 		} __attribute__ ((packed)) ld_lba;
1554 
1555 		struct {
1556 			struct megasas_evtarg_ld ld;
1557 			__le32 prevOwner;
1558 			__le32 newOwner;
1559 		} __attribute__ ((packed)) ld_owner;
1560 
1561 		struct {
1562 			u64 ld_lba;
1563 			u64 pd_lba;
1564 			struct megasas_evtarg_ld ld;
1565 			struct megasas_evtarg_pd pd;
1566 		} __attribute__ ((packed)) ld_lba_pd_lba;
1567 
1568 		struct {
1569 			struct megasas_evtarg_ld ld;
1570 			struct megasas_progress prog;
1571 		} __attribute__ ((packed)) ld_prog;
1572 
1573 		struct {
1574 			struct megasas_evtarg_ld ld;
1575 			u32 prev_state;
1576 			u32 new_state;
1577 		} __attribute__ ((packed)) ld_state;
1578 
1579 		struct {
1580 			u64 strip;
1581 			struct megasas_evtarg_ld ld;
1582 		} __attribute__ ((packed)) ld_strip;
1583 
1584 		struct megasas_evtarg_pd pd;
1585 
1586 		struct {
1587 			struct megasas_evtarg_pd pd;
1588 			u32 err;
1589 		} __attribute__ ((packed)) pd_err;
1590 
1591 		struct {
1592 			u64 lba;
1593 			struct megasas_evtarg_pd pd;
1594 		} __attribute__ ((packed)) pd_lba;
1595 
1596 		struct {
1597 			u64 lba;
1598 			struct megasas_evtarg_pd pd;
1599 			struct megasas_evtarg_ld ld;
1600 		} __attribute__ ((packed)) pd_lba_ld;
1601 
1602 		struct {
1603 			struct megasas_evtarg_pd pd;
1604 			struct megasas_progress prog;
1605 		} __attribute__ ((packed)) pd_prog;
1606 
1607 		struct {
1608 			struct megasas_evtarg_pd pd;
1609 			u32 prevState;
1610 			u32 newState;
1611 		} __attribute__ ((packed)) pd_state;
1612 
1613 		struct {
1614 			u16 vendorId;
1615 			__le16 deviceId;
1616 			u16 subVendorId;
1617 			u16 subDeviceId;
1618 		} __attribute__ ((packed)) pci;
1619 
1620 		u32 rate;
1621 		char str[96];
1622 
1623 		struct {
1624 			u32 rtc;
1625 			u32 elapsedSeconds;
1626 		} __attribute__ ((packed)) time;
1627 
1628 		struct {
1629 			u32 ecar;
1630 			u32 elog;
1631 			char str[64];
1632 		} __attribute__ ((packed)) ecc;
1633 
1634 		u8 b[96];
1635 		__le16 s[48];
1636 		__le32 w[24];
1637 		__le64 d[12];
1638 	} args;
1639 
1640 	char description[128];
1641 
1642 } __attribute__ ((packed));
1643 
1644 struct megasas_aen_event {
1645 	struct delayed_work hotplug_work;
1646 	struct megasas_instance *instance;
1647 };
1648 
1649 struct megasas_irq_context {
1650 	struct megasas_instance *instance;
1651 	u32 MSIxIndex;
1652 };
1653 
1654 struct MR_DRV_SYSTEM_INFO {
1655 	u8	infoVersion;
1656 	u8	systemIdLength;
1657 	u16	reserved0;
1658 	u8	systemId[64];
1659 	u8	reserved[1980];
1660 };
1661 
1662 struct megasas_instance {
1663 
1664 	__le32 *producer;
1665 	dma_addr_t producer_h;
1666 	__le32 *consumer;
1667 	dma_addr_t consumer_h;
1668 	struct MR_DRV_SYSTEM_INFO *system_info_buf;
1669 	dma_addr_t system_info_h;
1670 	struct MR_LD_VF_AFFILIATION *vf_affiliation;
1671 	dma_addr_t vf_affiliation_h;
1672 	struct MR_LD_VF_AFFILIATION_111 *vf_affiliation_111;
1673 	dma_addr_t vf_affiliation_111_h;
1674 	struct MR_CTRL_HB_HOST_MEM *hb_host_mem;
1675 	dma_addr_t hb_host_mem_h;
1676 
1677 	__le32 *reply_queue;
1678 	dma_addr_t reply_queue_h;
1679 
1680 	u32 *crash_dump_buf;
1681 	dma_addr_t crash_dump_h;
1682 	void *crash_buf[MAX_CRASH_DUMP_SIZE];
1683 	u32 crash_buf_pages;
1684 	unsigned int    fw_crash_buffer_size;
1685 	unsigned int    fw_crash_state;
1686 	unsigned int    fw_crash_buffer_offset;
1687 	u32 drv_buf_index;
1688 	u32 drv_buf_alloc;
1689 	u32 crash_dump_fw_support;
1690 	u32 crash_dump_drv_support;
1691 	u32 crash_dump_app_support;
1692 	u32 secure_jbod_support;
1693 	spinlock_t crashdump_lock;
1694 
1695 	struct megasas_register_set __iomem *reg_set;
1696 	u32 __iomem *reply_post_host_index_addr[MR_MAX_MSIX_REG_ARRAY];
1697 	struct megasas_pd_list          pd_list[MEGASAS_MAX_PD];
1698 	struct megasas_pd_list          local_pd_list[MEGASAS_MAX_PD];
1699 	u8 ld_ids[MEGASAS_MAX_LD_IDS];
1700 	s8 init_id;
1701 
1702 	u16 max_num_sge;
1703 	u16 max_fw_cmds;
1704 	u16 max_mfi_cmds;
1705 	u16 max_scsi_cmds;
1706 	u32 max_sectors_per_req;
1707 	struct megasas_aen_event *ev;
1708 
1709 	struct megasas_cmd **cmd_list;
1710 	struct list_head cmd_pool;
1711 	/* used to sync fire the cmd to fw */
1712 	spinlock_t mfi_pool_lock;
1713 	/* used to sync fire the cmd to fw */
1714 	spinlock_t hba_lock;
1715 	/* used to synch producer, consumer ptrs in dpc */
1716 	spinlock_t completion_lock;
1717 	struct dma_pool *frame_dma_pool;
1718 	struct dma_pool *sense_dma_pool;
1719 
1720 	struct megasas_evt_detail *evt_detail;
1721 	dma_addr_t evt_detail_h;
1722 	struct megasas_cmd *aen_cmd;
1723 	struct mutex aen_mutex;
1724 	struct semaphore ioctl_sem;
1725 
1726 	struct Scsi_Host *host;
1727 
1728 	wait_queue_head_t int_cmd_wait_q;
1729 	wait_queue_head_t abort_cmd_wait_q;
1730 
1731 	struct pci_dev *pdev;
1732 	u32 unique_id;
1733 	u32 fw_support_ieee;
1734 
1735 	atomic_t fw_outstanding;
1736 	atomic_t fw_reset_no_pci_access;
1737 
1738 	struct megasas_instance_template *instancet;
1739 	struct tasklet_struct isr_tasklet;
1740 	struct work_struct work_init;
1741 	struct work_struct crash_init;
1742 
1743 	u8 flag;
1744 	u8 unload;
1745 	u8 flag_ieee;
1746 	u8 issuepend_done;
1747 	u8 disableOnlineCtrlReset;
1748 	u8 UnevenSpanSupport;
1749 
1750 	u8 supportmax256vd;
1751 	u16 fw_supported_vd_count;
1752 	u16 fw_supported_pd_count;
1753 
1754 	u16 drv_supported_vd_count;
1755 	u16 drv_supported_pd_count;
1756 
1757 	u8 adprecovery;
1758 	unsigned long last_time;
1759 	u32 mfiStatus;
1760 	u32 last_seq_num;
1761 
1762 	struct list_head internal_reset_pending_q;
1763 
1764 	/* Ptr to hba specific information */
1765 	void *ctrl_context;
1766 	u32 ctrl_context_pages;
1767 	struct megasas_ctrl_info *ctrl_info;
1768 	unsigned int msix_vectors;
1769 	struct msix_entry msixentry[MEGASAS_MAX_MSIX_QUEUES];
1770 	struct megasas_irq_context irq_context[MEGASAS_MAX_MSIX_QUEUES];
1771 	u64 map_id;
1772 	struct megasas_cmd *map_update_cmd;
1773 	unsigned long bar;
1774 	long reset_flags;
1775 	struct mutex reset_mutex;
1776 	struct timer_list sriov_heartbeat_timer;
1777 	char skip_heartbeat_timer_del;
1778 	u8 requestorId;
1779 	char PlasmaFW111;
1780 	char mpio;
1781 	u16 throttlequeuedepth;
1782 	u8 mask_interrupts;
1783 	u8 is_imr;
1784 	bool dev_handle;
1785 };
1786 struct MR_LD_VF_MAP {
1787 	u32 size;
1788 	union MR_LD_REF ref;
1789 	u8 ldVfCount;
1790 	u8 reserved[6];
1791 	u8 policy[1];
1792 };
1793 
1794 struct MR_LD_VF_AFFILIATION {
1795 	u32 size;
1796 	u8 ldCount;
1797 	u8 vfCount;
1798 	u8 thisVf;
1799 	u8 reserved[9];
1800 	struct MR_LD_VF_MAP map[1];
1801 };
1802 
1803 /* Plasma 1.11 FW backward compatibility structures */
1804 #define IOV_111_OFFSET 0x7CE
1805 #define MAX_VIRTUAL_FUNCTIONS 8
1806 #define MR_LD_ACCESS_HIDDEN 15
1807 
1808 struct IOV_111 {
1809 	u8 maxVFsSupported;
1810 	u8 numVFsEnabled;
1811 	u8 requestorId;
1812 	u8 reserved[5];
1813 };
1814 
1815 struct MR_LD_VF_MAP_111 {
1816 	u8 targetId;
1817 	u8 reserved[3];
1818 	u8 policy[MAX_VIRTUAL_FUNCTIONS];
1819 };
1820 
1821 struct MR_LD_VF_AFFILIATION_111 {
1822 	u8 vdCount;
1823 	u8 vfCount;
1824 	u8 thisVf;
1825 	u8 reserved[5];
1826 	struct MR_LD_VF_MAP_111 map[MAX_LOGICAL_DRIVES];
1827 };
1828 
1829 struct MR_CTRL_HB_HOST_MEM {
1830 	struct {
1831 		u32 fwCounter;	/* Firmware heart beat counter */
1832 		struct {
1833 			u32 debugmode:1; /* 1=Firmware is in debug mode.
1834 					    Heart beat will not be updated. */
1835 			u32 reserved:31;
1836 		} debug;
1837 		u32 reserved_fw[6];
1838 		u32 driverCounter; /* Driver heart beat counter.  0x20 */
1839 		u32 reserved_driver[7];
1840 	} HB;
1841 	u8 pad[0x400-0x40];
1842 };
1843 
1844 enum {
1845 	MEGASAS_HBA_OPERATIONAL			= 0,
1846 	MEGASAS_ADPRESET_SM_INFAULT		= 1,
1847 	MEGASAS_ADPRESET_SM_FW_RESET_SUCCESS	= 2,
1848 	MEGASAS_ADPRESET_SM_OPERATIONAL		= 3,
1849 	MEGASAS_HW_CRITICAL_ERROR		= 4,
1850 	MEGASAS_ADPRESET_SM_POLLING		= 5,
1851 	MEGASAS_ADPRESET_INPROG_SIGN		= 0xDEADDEAD,
1852 };
1853 
1854 struct megasas_instance_template {
1855 	void (*fire_cmd)(struct megasas_instance *, dma_addr_t, \
1856 		u32, struct megasas_register_set __iomem *);
1857 
1858 	void (*enable_intr)(struct megasas_instance *);
1859 	void (*disable_intr)(struct megasas_instance *);
1860 
1861 	int (*clear_intr)(struct megasas_register_set __iomem *);
1862 
1863 	u32 (*read_fw_status_reg)(struct megasas_register_set __iomem *);
1864 	int (*adp_reset)(struct megasas_instance *, \
1865 		struct megasas_register_set __iomem *);
1866 	int (*check_reset)(struct megasas_instance *, \
1867 		struct megasas_register_set __iomem *);
1868 	irqreturn_t (*service_isr)(int irq, void *devp);
1869 	void (*tasklet)(unsigned long);
1870 	u32 (*init_adapter)(struct megasas_instance *);
1871 	u32 (*build_and_issue_cmd) (struct megasas_instance *,
1872 				    struct scsi_cmnd *);
1873 	void (*issue_dcmd) (struct megasas_instance *instance,
1874 			    struct megasas_cmd *cmd);
1875 };
1876 
1877 #define MEGASAS_IS_LOGICAL(scp)						\
1878 	(scp->device->channel < MEGASAS_MAX_PD_CHANNELS) ? 0 : 1
1879 
1880 #define MEGASAS_DEV_INDEX(scp)						\
1881 	(((scp->device->channel % 2) * MEGASAS_MAX_DEV_PER_CHANNEL) +	\
1882 	scp->device->id)
1883 
1884 #define MEGASAS_PD_INDEX(scp)						\
1885 	((scp->device->channel * MEGASAS_MAX_DEV_PER_CHANNEL) +		\
1886 	scp->device->id)
1887 
1888 struct megasas_cmd {
1889 
1890 	union megasas_frame *frame;
1891 	dma_addr_t frame_phys_addr;
1892 	u8 *sense;
1893 	dma_addr_t sense_phys_addr;
1894 
1895 	u32 index;
1896 	u8 sync_cmd;
1897 	u8 cmd_status_drv;
1898 	u8 abort_aen;
1899 	u8 retry_for_fw_reset;
1900 
1901 
1902 	struct list_head list;
1903 	struct scsi_cmnd *scmd;
1904 	u8 flags;
1905 
1906 	struct megasas_instance *instance;
1907 	union {
1908 		struct {
1909 			u16 smid;
1910 			u16 resvd;
1911 		} context;
1912 		u32 frame_count;
1913 	};
1914 };
1915 
1916 #define MAX_MGMT_ADAPTERS		1024
1917 #define MAX_IOCTL_SGE			16
1918 
1919 struct megasas_iocpacket {
1920 
1921 	u16 host_no;
1922 	u16 __pad1;
1923 	u32 sgl_off;
1924 	u32 sge_count;
1925 	u32 sense_off;
1926 	u32 sense_len;
1927 	union {
1928 		u8 raw[128];
1929 		struct megasas_header hdr;
1930 	} frame;
1931 
1932 	struct iovec sgl[MAX_IOCTL_SGE];
1933 
1934 } __attribute__ ((packed));
1935 
1936 struct megasas_aen {
1937 	u16 host_no;
1938 	u16 __pad1;
1939 	u32 seq_num;
1940 	u32 class_locale_word;
1941 } __attribute__ ((packed));
1942 
1943 #ifdef CONFIG_COMPAT
1944 struct compat_megasas_iocpacket {
1945 	u16 host_no;
1946 	u16 __pad1;
1947 	u32 sgl_off;
1948 	u32 sge_count;
1949 	u32 sense_off;
1950 	u32 sense_len;
1951 	union {
1952 		u8 raw[128];
1953 		struct megasas_header hdr;
1954 	} frame;
1955 	struct compat_iovec sgl[MAX_IOCTL_SGE];
1956 } __attribute__ ((packed));
1957 
1958 #define MEGASAS_IOC_FIRMWARE32	_IOWR('M', 1, struct compat_megasas_iocpacket)
1959 #endif
1960 
1961 #define MEGASAS_IOC_FIRMWARE	_IOWR('M', 1, struct megasas_iocpacket)
1962 #define MEGASAS_IOC_GET_AEN	_IOW('M', 3, struct megasas_aen)
1963 
1964 struct megasas_mgmt_info {
1965 
1966 	u16 count;
1967 	struct megasas_instance *instance[MAX_MGMT_ADAPTERS];
1968 	int max_index;
1969 };
1970 
1971 u8
1972 MR_BuildRaidContext(struct megasas_instance *instance,
1973 		    struct IO_REQUEST_INFO *io_info,
1974 		    struct RAID_CONTEXT *pRAID_Context,
1975 		    struct MR_DRV_RAID_MAP_ALL *map, u8 **raidLUN);
1976 u8 MR_TargetIdToLdGet(u32 ldTgtId, struct MR_DRV_RAID_MAP_ALL *map);
1977 struct MR_LD_RAID *MR_LdRaidGet(u32 ld, struct MR_DRV_RAID_MAP_ALL *map);
1978 u16 MR_ArPdGet(u32 ar, u32 arm, struct MR_DRV_RAID_MAP_ALL *map);
1979 u16 MR_LdSpanArrayGet(u32 ld, u32 span, struct MR_DRV_RAID_MAP_ALL *map);
1980 __le16 MR_PdDevHandleGet(u32 pd, struct MR_DRV_RAID_MAP_ALL *map);
1981 u16 MR_GetLDTgtId(u32 ld, struct MR_DRV_RAID_MAP_ALL *map);
1982 
1983 __le16 get_updated_dev_handle(struct megasas_instance *instance,
1984 	struct LD_LOAD_BALANCE_INFO *lbInfo, struct IO_REQUEST_INFO *in_info);
1985 void mr_update_load_balance_params(struct MR_DRV_RAID_MAP_ALL *map,
1986 	struct LD_LOAD_BALANCE_INFO *lbInfo);
1987 int megasas_get_ctrl_info(struct megasas_instance *instance);
1988 int megasas_set_crash_dump_params(struct megasas_instance *instance,
1989 	u8 crash_buf_state);
1990 void megasas_free_host_crash_buffer(struct megasas_instance *instance);
1991 void megasas_fusion_crash_dump_wq(struct work_struct *work);
1992 
1993 void megasas_return_cmd_fusion(struct megasas_instance *instance,
1994 	struct megasas_cmd_fusion *cmd);
1995 int megasas_issue_blocked_cmd(struct megasas_instance *instance,
1996 	struct megasas_cmd *cmd, int timeout);
1997 void __megasas_return_cmd(struct megasas_instance *instance,
1998 	struct megasas_cmd *cmd);
1999 
2000 void megasas_return_mfi_mpt_pthr(struct megasas_instance *instance,
2001 	struct megasas_cmd *cmd_mfi, struct megasas_cmd_fusion *cmd_fusion);
2002 int megasas_cmd_type(struct scsi_cmnd *cmd);
2003 
2004 #endif				/*LSI_MEGARAID_SAS_H */
2005