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				"07.702.06.00-rc1"
39 #define MEGASAS_RELDATE				"June 21, 2017"
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 #define PCI_DEVICE_ID_LSI_INTRUDER		0x00ce
56 #define PCI_DEVICE_ID_LSI_INTRUDER_24		0x00cf
57 #define PCI_DEVICE_ID_LSI_CUTLASS_52		0x0052
58 #define PCI_DEVICE_ID_LSI_CUTLASS_53		0x0053
59 #define PCI_DEVICE_ID_LSI_VENTURA		    0x0014
60 #define PCI_DEVICE_ID_LSI_HARPOON		    0x0016
61 #define PCI_DEVICE_ID_LSI_TOMCAT		    0x0017
62 #define PCI_DEVICE_ID_LSI_VENTURA_4PORT		0x001B
63 #define PCI_DEVICE_ID_LSI_CRUSADER_4PORT	0x001C
64 
65 /*
66  * Intel HBA SSDIDs
67  */
68 #define MEGARAID_INTEL_RS3DC080_SSDID		0x9360
69 #define MEGARAID_INTEL_RS3DC040_SSDID		0x9362
70 #define MEGARAID_INTEL_RS3SC008_SSDID		0x9380
71 #define MEGARAID_INTEL_RS3MC044_SSDID		0x9381
72 #define MEGARAID_INTEL_RS3WC080_SSDID		0x9341
73 #define MEGARAID_INTEL_RS3WC040_SSDID		0x9343
74 #define MEGARAID_INTEL_RMS3BC160_SSDID		0x352B
75 
76 /*
77  * Intruder HBA SSDIDs
78  */
79 #define MEGARAID_INTRUDER_SSDID1		0x9371
80 #define MEGARAID_INTRUDER_SSDID2		0x9390
81 #define MEGARAID_INTRUDER_SSDID3		0x9370
82 
83 /*
84  * Intel HBA branding
85  */
86 #define MEGARAID_INTEL_RS3DC080_BRANDING	\
87 	"Intel(R) RAID Controller RS3DC080"
88 #define MEGARAID_INTEL_RS3DC040_BRANDING	\
89 	"Intel(R) RAID Controller RS3DC040"
90 #define MEGARAID_INTEL_RS3SC008_BRANDING	\
91 	"Intel(R) RAID Controller RS3SC008"
92 #define MEGARAID_INTEL_RS3MC044_BRANDING	\
93 	"Intel(R) RAID Controller RS3MC044"
94 #define MEGARAID_INTEL_RS3WC080_BRANDING	\
95 	"Intel(R) RAID Controller RS3WC080"
96 #define MEGARAID_INTEL_RS3WC040_BRANDING	\
97 	"Intel(R) RAID Controller RS3WC040"
98 #define MEGARAID_INTEL_RMS3BC160_BRANDING	\
99 	"Intel(R) Integrated RAID Module RMS3BC160"
100 
101 /*
102  * =====================================
103  * MegaRAID SAS MFI firmware definitions
104  * =====================================
105  */
106 
107 /*
108  * MFI stands for  MegaRAID SAS FW Interface. This is just a moniker for
109  * protocol between the software and firmware. Commands are issued using
110  * "message frames"
111  */
112 
113 /*
114  * FW posts its state in upper 4 bits of outbound_msg_0 register
115  */
116 #define MFI_STATE_MASK				0xF0000000
117 #define MFI_STATE_UNDEFINED			0x00000000
118 #define MFI_STATE_BB_INIT			0x10000000
119 #define MFI_STATE_FW_INIT			0x40000000
120 #define MFI_STATE_WAIT_HANDSHAKE		0x60000000
121 #define MFI_STATE_FW_INIT_2			0x70000000
122 #define MFI_STATE_DEVICE_SCAN			0x80000000
123 #define MFI_STATE_BOOT_MESSAGE_PENDING		0x90000000
124 #define MFI_STATE_FLUSH_CACHE			0xA0000000
125 #define MFI_STATE_READY				0xB0000000
126 #define MFI_STATE_OPERATIONAL			0xC0000000
127 #define MFI_STATE_FAULT				0xF0000000
128 #define MFI_STATE_FORCE_OCR			0x00000080
129 #define MFI_STATE_DMADONE			0x00000008
130 #define MFI_STATE_CRASH_DUMP_DONE		0x00000004
131 #define MFI_RESET_REQUIRED			0x00000001
132 #define MFI_RESET_ADAPTER			0x00000002
133 #define MEGAMFI_FRAME_SIZE			64
134 
135 /*
136  * During FW init, clear pending cmds & reset state using inbound_msg_0
137  *
138  * ABORT	: Abort all pending cmds
139  * READY	: Move from OPERATIONAL to READY state; discard queue info
140  * MFIMODE	: Discard (possible) low MFA posted in 64-bit mode (??)
141  * CLR_HANDSHAKE: FW is waiting for HANDSHAKE from BIOS or Driver
142  * HOTPLUG	: Resume from Hotplug
143  * MFI_STOP_ADP	: Send signal to FW to stop processing
144  */
145 #define WRITE_SEQUENCE_OFFSET		(0x0000000FC) /* I20 */
146 #define HOST_DIAGNOSTIC_OFFSET		(0x000000F8)  /* I20 */
147 #define DIAG_WRITE_ENABLE			(0x00000080)
148 #define DIAG_RESET_ADAPTER			(0x00000004)
149 
150 #define MFI_ADP_RESET				0x00000040
151 #define MFI_INIT_ABORT				0x00000001
152 #define MFI_INIT_READY				0x00000002
153 #define MFI_INIT_MFIMODE			0x00000004
154 #define MFI_INIT_CLEAR_HANDSHAKE		0x00000008
155 #define MFI_INIT_HOTPLUG			0x00000010
156 #define MFI_STOP_ADP				0x00000020
157 #define MFI_RESET_FLAGS				MFI_INIT_READY| \
158 						MFI_INIT_MFIMODE| \
159 						MFI_INIT_ABORT
160 #define MPI2_IOCINIT_MSGFLAG_RDPQ_ARRAY_MODE    (0x01)
161 
162 /*
163  * MFI frame flags
164  */
165 #define MFI_FRAME_POST_IN_REPLY_QUEUE		0x0000
166 #define MFI_FRAME_DONT_POST_IN_REPLY_QUEUE	0x0001
167 #define MFI_FRAME_SGL32				0x0000
168 #define MFI_FRAME_SGL64				0x0002
169 #define MFI_FRAME_SENSE32			0x0000
170 #define MFI_FRAME_SENSE64			0x0004
171 #define MFI_FRAME_DIR_NONE			0x0000
172 #define MFI_FRAME_DIR_WRITE			0x0008
173 #define MFI_FRAME_DIR_READ			0x0010
174 #define MFI_FRAME_DIR_BOTH			0x0018
175 #define MFI_FRAME_IEEE                          0x0020
176 
177 /* Driver internal */
178 #define DRV_DCMD_POLLED_MODE		0x1
179 #define DRV_DCMD_SKIP_REFIRE		0x2
180 
181 /*
182  * Definition for cmd_status
183  */
184 #define MFI_CMD_STATUS_POLL_MODE		0xFF
185 
186 /*
187  * MFI command opcodes
188  */
189 #define MFI_CMD_INIT				0x00
190 #define MFI_CMD_LD_READ				0x01
191 #define MFI_CMD_LD_WRITE			0x02
192 #define MFI_CMD_LD_SCSI_IO			0x03
193 #define MFI_CMD_PD_SCSI_IO			0x04
194 #define MFI_CMD_DCMD				0x05
195 #define MFI_CMD_ABORT				0x06
196 #define MFI_CMD_SMP				0x07
197 #define MFI_CMD_STP				0x08
198 #define MFI_CMD_INVALID				0xff
199 
200 #define MR_DCMD_CTRL_GET_INFO			0x01010000
201 #define MR_DCMD_LD_GET_LIST			0x03010000
202 #define MR_DCMD_LD_LIST_QUERY			0x03010100
203 
204 #define MR_DCMD_CTRL_CACHE_FLUSH		0x01101000
205 #define MR_FLUSH_CTRL_CACHE			0x01
206 #define MR_FLUSH_DISK_CACHE			0x02
207 
208 #define MR_DCMD_CTRL_SHUTDOWN			0x01050000
209 #define MR_DCMD_HIBERNATE_SHUTDOWN		0x01060000
210 #define MR_ENABLE_DRIVE_SPINDOWN		0x01
211 
212 #define MR_DCMD_CTRL_EVENT_GET_INFO		0x01040100
213 #define MR_DCMD_CTRL_EVENT_GET			0x01040300
214 #define MR_DCMD_CTRL_EVENT_WAIT			0x01040500
215 #define MR_DCMD_LD_GET_PROPERTIES		0x03030000
216 
217 #define MR_DCMD_CLUSTER				0x08000000
218 #define MR_DCMD_CLUSTER_RESET_ALL		0x08010100
219 #define MR_DCMD_CLUSTER_RESET_LD		0x08010200
220 #define MR_DCMD_PD_LIST_QUERY                   0x02010100
221 
222 #define MR_DCMD_CTRL_SET_CRASH_DUMP_PARAMS	0x01190100
223 #define MR_DRIVER_SET_APP_CRASHDUMP_MODE	(0xF0010000 | 0x0600)
224 #define MR_DCMD_PD_GET_INFO			0x02020000
225 
226 /*
227  * Global functions
228  */
229 extern u8 MR_ValidateMapInfo(struct megasas_instance *instance);
230 
231 
232 /*
233  * MFI command completion codes
234  */
235 enum MFI_STAT {
236 	MFI_STAT_OK = 0x00,
237 	MFI_STAT_INVALID_CMD = 0x01,
238 	MFI_STAT_INVALID_DCMD = 0x02,
239 	MFI_STAT_INVALID_PARAMETER = 0x03,
240 	MFI_STAT_INVALID_SEQUENCE_NUMBER = 0x04,
241 	MFI_STAT_ABORT_NOT_POSSIBLE = 0x05,
242 	MFI_STAT_APP_HOST_CODE_NOT_FOUND = 0x06,
243 	MFI_STAT_APP_IN_USE = 0x07,
244 	MFI_STAT_APP_NOT_INITIALIZED = 0x08,
245 	MFI_STAT_ARRAY_INDEX_INVALID = 0x09,
246 	MFI_STAT_ARRAY_ROW_NOT_EMPTY = 0x0a,
247 	MFI_STAT_CONFIG_RESOURCE_CONFLICT = 0x0b,
248 	MFI_STAT_DEVICE_NOT_FOUND = 0x0c,
249 	MFI_STAT_DRIVE_TOO_SMALL = 0x0d,
250 	MFI_STAT_FLASH_ALLOC_FAIL = 0x0e,
251 	MFI_STAT_FLASH_BUSY = 0x0f,
252 	MFI_STAT_FLASH_ERROR = 0x10,
253 	MFI_STAT_FLASH_IMAGE_BAD = 0x11,
254 	MFI_STAT_FLASH_IMAGE_INCOMPLETE = 0x12,
255 	MFI_STAT_FLASH_NOT_OPEN = 0x13,
256 	MFI_STAT_FLASH_NOT_STARTED = 0x14,
257 	MFI_STAT_FLUSH_FAILED = 0x15,
258 	MFI_STAT_HOST_CODE_NOT_FOUNT = 0x16,
259 	MFI_STAT_LD_CC_IN_PROGRESS = 0x17,
260 	MFI_STAT_LD_INIT_IN_PROGRESS = 0x18,
261 	MFI_STAT_LD_LBA_OUT_OF_RANGE = 0x19,
262 	MFI_STAT_LD_MAX_CONFIGURED = 0x1a,
263 	MFI_STAT_LD_NOT_OPTIMAL = 0x1b,
264 	MFI_STAT_LD_RBLD_IN_PROGRESS = 0x1c,
265 	MFI_STAT_LD_RECON_IN_PROGRESS = 0x1d,
266 	MFI_STAT_LD_WRONG_RAID_LEVEL = 0x1e,
267 	MFI_STAT_MAX_SPARES_EXCEEDED = 0x1f,
268 	MFI_STAT_MEMORY_NOT_AVAILABLE = 0x20,
269 	MFI_STAT_MFC_HW_ERROR = 0x21,
270 	MFI_STAT_NO_HW_PRESENT = 0x22,
271 	MFI_STAT_NOT_FOUND = 0x23,
272 	MFI_STAT_NOT_IN_ENCL = 0x24,
273 	MFI_STAT_PD_CLEAR_IN_PROGRESS = 0x25,
274 	MFI_STAT_PD_TYPE_WRONG = 0x26,
275 	MFI_STAT_PR_DISABLED = 0x27,
276 	MFI_STAT_ROW_INDEX_INVALID = 0x28,
277 	MFI_STAT_SAS_CONFIG_INVALID_ACTION = 0x29,
278 	MFI_STAT_SAS_CONFIG_INVALID_DATA = 0x2a,
279 	MFI_STAT_SAS_CONFIG_INVALID_PAGE = 0x2b,
280 	MFI_STAT_SAS_CONFIG_INVALID_TYPE = 0x2c,
281 	MFI_STAT_SCSI_DONE_WITH_ERROR = 0x2d,
282 	MFI_STAT_SCSI_IO_FAILED = 0x2e,
283 	MFI_STAT_SCSI_RESERVATION_CONFLICT = 0x2f,
284 	MFI_STAT_SHUTDOWN_FAILED = 0x30,
285 	MFI_STAT_TIME_NOT_SET = 0x31,
286 	MFI_STAT_WRONG_STATE = 0x32,
287 	MFI_STAT_LD_OFFLINE = 0x33,
288 	MFI_STAT_PEER_NOTIFICATION_REJECTED = 0x34,
289 	MFI_STAT_PEER_NOTIFICATION_FAILED = 0x35,
290 	MFI_STAT_RESERVATION_IN_PROGRESS = 0x36,
291 	MFI_STAT_I2C_ERRORS_DETECTED = 0x37,
292 	MFI_STAT_PCI_ERRORS_DETECTED = 0x38,
293 	MFI_STAT_CONFIG_SEQ_MISMATCH = 0x67,
294 
295 	MFI_STAT_INVALID_STATUS = 0xFF
296 };
297 
298 enum mfi_evt_class {
299 	MFI_EVT_CLASS_DEBUG =		-2,
300 	MFI_EVT_CLASS_PROGRESS =	-1,
301 	MFI_EVT_CLASS_INFO =		0,
302 	MFI_EVT_CLASS_WARNING =		1,
303 	MFI_EVT_CLASS_CRITICAL =	2,
304 	MFI_EVT_CLASS_FATAL =		3,
305 	MFI_EVT_CLASS_DEAD =		4
306 };
307 
308 /*
309  * Crash dump related defines
310  */
311 #define MAX_CRASH_DUMP_SIZE 512
312 #define CRASH_DMA_BUF_SIZE  (1024 * 1024)
313 
314 enum MR_FW_CRASH_DUMP_STATE {
315 	UNAVAILABLE = 0,
316 	AVAILABLE = 1,
317 	COPYING = 2,
318 	COPIED = 3,
319 	COPY_ERROR = 4,
320 };
321 
322 enum _MR_CRASH_BUF_STATUS {
323 	MR_CRASH_BUF_TURN_OFF = 0,
324 	MR_CRASH_BUF_TURN_ON = 1,
325 };
326 
327 /*
328  * Number of mailbox bytes in DCMD message frame
329  */
330 #define MFI_MBOX_SIZE				12
331 
332 enum MR_EVT_CLASS {
333 
334 	MR_EVT_CLASS_DEBUG = -2,
335 	MR_EVT_CLASS_PROGRESS = -1,
336 	MR_EVT_CLASS_INFO = 0,
337 	MR_EVT_CLASS_WARNING = 1,
338 	MR_EVT_CLASS_CRITICAL = 2,
339 	MR_EVT_CLASS_FATAL = 3,
340 	MR_EVT_CLASS_DEAD = 4,
341 
342 };
343 
344 enum MR_EVT_LOCALE {
345 
346 	MR_EVT_LOCALE_LD = 0x0001,
347 	MR_EVT_LOCALE_PD = 0x0002,
348 	MR_EVT_LOCALE_ENCL = 0x0004,
349 	MR_EVT_LOCALE_BBU = 0x0008,
350 	MR_EVT_LOCALE_SAS = 0x0010,
351 	MR_EVT_LOCALE_CTRL = 0x0020,
352 	MR_EVT_LOCALE_CONFIG = 0x0040,
353 	MR_EVT_LOCALE_CLUSTER = 0x0080,
354 	MR_EVT_LOCALE_ALL = 0xffff,
355 
356 };
357 
358 enum MR_EVT_ARGS {
359 
360 	MR_EVT_ARGS_NONE,
361 	MR_EVT_ARGS_CDB_SENSE,
362 	MR_EVT_ARGS_LD,
363 	MR_EVT_ARGS_LD_COUNT,
364 	MR_EVT_ARGS_LD_LBA,
365 	MR_EVT_ARGS_LD_OWNER,
366 	MR_EVT_ARGS_LD_LBA_PD_LBA,
367 	MR_EVT_ARGS_LD_PROG,
368 	MR_EVT_ARGS_LD_STATE,
369 	MR_EVT_ARGS_LD_STRIP,
370 	MR_EVT_ARGS_PD,
371 	MR_EVT_ARGS_PD_ERR,
372 	MR_EVT_ARGS_PD_LBA,
373 	MR_EVT_ARGS_PD_LBA_LD,
374 	MR_EVT_ARGS_PD_PROG,
375 	MR_EVT_ARGS_PD_STATE,
376 	MR_EVT_ARGS_PCI,
377 	MR_EVT_ARGS_RATE,
378 	MR_EVT_ARGS_STR,
379 	MR_EVT_ARGS_TIME,
380 	MR_EVT_ARGS_ECC,
381 	MR_EVT_ARGS_LD_PROP,
382 	MR_EVT_ARGS_PD_SPARE,
383 	MR_EVT_ARGS_PD_INDEX,
384 	MR_EVT_ARGS_DIAG_PASS,
385 	MR_EVT_ARGS_DIAG_FAIL,
386 	MR_EVT_ARGS_PD_LBA_LBA,
387 	MR_EVT_ARGS_PORT_PHY,
388 	MR_EVT_ARGS_PD_MISSING,
389 	MR_EVT_ARGS_PD_ADDRESS,
390 	MR_EVT_ARGS_BITMAP,
391 	MR_EVT_ARGS_CONNECTOR,
392 	MR_EVT_ARGS_PD_PD,
393 	MR_EVT_ARGS_PD_FRU,
394 	MR_EVT_ARGS_PD_PATHINFO,
395 	MR_EVT_ARGS_PD_POWER_STATE,
396 	MR_EVT_ARGS_GENERIC,
397 };
398 
399 
400 #define SGE_BUFFER_SIZE	4096
401 #define MEGASAS_CLUSTER_ID_SIZE	16
402 /*
403  * define constants for device list query options
404  */
405 enum MR_PD_QUERY_TYPE {
406 	MR_PD_QUERY_TYPE_ALL                = 0,
407 	MR_PD_QUERY_TYPE_STATE              = 1,
408 	MR_PD_QUERY_TYPE_POWER_STATE        = 2,
409 	MR_PD_QUERY_TYPE_MEDIA_TYPE         = 3,
410 	MR_PD_QUERY_TYPE_SPEED              = 4,
411 	MR_PD_QUERY_TYPE_EXPOSED_TO_HOST    = 5,
412 };
413 
414 enum MR_LD_QUERY_TYPE {
415 	MR_LD_QUERY_TYPE_ALL	         = 0,
416 	MR_LD_QUERY_TYPE_EXPOSED_TO_HOST = 1,
417 	MR_LD_QUERY_TYPE_USED_TGT_IDS    = 2,
418 	MR_LD_QUERY_TYPE_CLUSTER_ACCESS  = 3,
419 	MR_LD_QUERY_TYPE_CLUSTER_LOCALE  = 4,
420 };
421 
422 
423 #define MR_EVT_CFG_CLEARED                              0x0004
424 #define MR_EVT_LD_STATE_CHANGE                          0x0051
425 #define MR_EVT_PD_INSERTED                              0x005b
426 #define MR_EVT_PD_REMOVED                               0x0070
427 #define MR_EVT_LD_CREATED                               0x008a
428 #define MR_EVT_LD_DELETED                               0x008b
429 #define MR_EVT_FOREIGN_CFG_IMPORTED                     0x00db
430 #define MR_EVT_LD_OFFLINE                               0x00fc
431 #define MR_EVT_CTRL_HOST_BUS_SCAN_REQUESTED             0x0152
432 #define MR_EVT_CTRL_PROP_CHANGED			0x012f
433 
434 enum MR_PD_STATE {
435 	MR_PD_STATE_UNCONFIGURED_GOOD   = 0x00,
436 	MR_PD_STATE_UNCONFIGURED_BAD    = 0x01,
437 	MR_PD_STATE_HOT_SPARE           = 0x02,
438 	MR_PD_STATE_OFFLINE             = 0x10,
439 	MR_PD_STATE_FAILED              = 0x11,
440 	MR_PD_STATE_REBUILD             = 0x14,
441 	MR_PD_STATE_ONLINE              = 0x18,
442 	MR_PD_STATE_COPYBACK            = 0x20,
443 	MR_PD_STATE_SYSTEM              = 0x40,
444  };
445 
446 union MR_PD_REF {
447 	struct {
448 		u16	 deviceId;
449 		u16	 seqNum;
450 	} mrPdRef;
451 	u32	 ref;
452 };
453 
454 /*
455  * define the DDF Type bit structure
456  */
457 union MR_PD_DDF_TYPE {
458 	 struct {
459 		union {
460 			struct {
461 #ifndef __BIG_ENDIAN_BITFIELD
462 				 u16	 forcedPDGUID:1;
463 				 u16	 inVD:1;
464 				 u16	 isGlobalSpare:1;
465 				 u16	 isSpare:1;
466 				 u16	 isForeign:1;
467 				 u16	 reserved:7;
468 				 u16	 intf:4;
469 #else
470 				 u16	 intf:4;
471 				 u16	 reserved:7;
472 				 u16	 isForeign:1;
473 				 u16	 isSpare:1;
474 				 u16	 isGlobalSpare:1;
475 				 u16	 inVD:1;
476 				 u16	 forcedPDGUID:1;
477 #endif
478 			 } pdType;
479 			 u16	 type;
480 		 };
481 		 u16	 reserved;
482 	 } ddf;
483 	 struct {
484 		 u32	reserved;
485 	 } nonDisk;
486 	 u32	 type;
487 } __packed;
488 
489 /*
490  * defines the progress structure
491  */
492 union MR_PROGRESS {
493 	struct  {
494 		u16 progress;
495 		union {
496 			u16 elapsedSecs;
497 			u16 elapsedSecsForLastPercent;
498 		};
499 	} mrProgress;
500 	u32 w;
501 } __packed;
502 
503 /*
504  * defines the physical drive progress structure
505  */
506 struct MR_PD_PROGRESS {
507 	struct {
508 #ifndef MFI_BIG_ENDIAN
509 		u32     rbld:1;
510 		u32     patrol:1;
511 		u32     clear:1;
512 		u32     copyBack:1;
513 		u32     erase:1;
514 		u32     locate:1;
515 		u32     reserved:26;
516 #else
517 		u32     reserved:26;
518 		u32     locate:1;
519 		u32     erase:1;
520 		u32     copyBack:1;
521 		u32     clear:1;
522 		u32     patrol:1;
523 		u32     rbld:1;
524 #endif
525 	} active;
526 	union MR_PROGRESS     rbld;
527 	union MR_PROGRESS     patrol;
528 	union {
529 		union MR_PROGRESS     clear;
530 		union MR_PROGRESS     erase;
531 	};
532 
533 	struct {
534 #ifndef MFI_BIG_ENDIAN
535 		u32     rbld:1;
536 		u32     patrol:1;
537 		u32     clear:1;
538 		u32     copyBack:1;
539 		u32     erase:1;
540 		u32     reserved:27;
541 #else
542 		u32     reserved:27;
543 		u32     erase:1;
544 		u32     copyBack:1;
545 		u32     clear:1;
546 		u32     patrol:1;
547 		u32     rbld:1;
548 #endif
549 	} pause;
550 
551 	union MR_PROGRESS     reserved[3];
552 } __packed;
553 
554 struct  MR_PD_INFO {
555 	union MR_PD_REF	ref;
556 	u8 inquiryData[96];
557 	u8 vpdPage83[64];
558 	u8 notSupported;
559 	u8 scsiDevType;
560 
561 	union {
562 		u8 connectedPortBitmap;
563 		u8 connectedPortNumbers;
564 	};
565 
566 	u8 deviceSpeed;
567 	u32 mediaErrCount;
568 	u32 otherErrCount;
569 	u32 predFailCount;
570 	u32 lastPredFailEventSeqNum;
571 
572 	u16 fwState;
573 	u8 disabledForRemoval;
574 	u8 linkSpeed;
575 	union MR_PD_DDF_TYPE state;
576 
577 	struct {
578 		u8 count;
579 #ifndef __BIG_ENDIAN_BITFIELD
580 		u8 isPathBroken:4;
581 		u8 reserved3:3;
582 		u8 widePortCapable:1;
583 #else
584 		u8 widePortCapable:1;
585 		u8 reserved3:3;
586 		u8 isPathBroken:4;
587 #endif
588 
589 		u8 connectorIndex[2];
590 		u8 reserved[4];
591 		u64 sasAddr[2];
592 		u8 reserved2[16];
593 	} pathInfo;
594 
595 	u64 rawSize;
596 	u64 nonCoercedSize;
597 	u64 coercedSize;
598 	u16 enclDeviceId;
599 	u8 enclIndex;
600 
601 	union {
602 		u8 slotNumber;
603 		u8 enclConnectorIndex;
604 	};
605 
606 	struct MR_PD_PROGRESS progInfo;
607 	u8 badBlockTableFull;
608 	u8 unusableInCurrentConfig;
609 	u8 vpdPage83Ext[64];
610 	u8 powerState;
611 	u8 enclPosition;
612 	u32 allowedOps;
613 	u16 copyBackPartnerId;
614 	u16 enclPartnerDeviceId;
615 	struct {
616 #ifndef __BIG_ENDIAN_BITFIELD
617 		u16 fdeCapable:1;
618 		u16 fdeEnabled:1;
619 		u16 secured:1;
620 		u16 locked:1;
621 		u16 foreign:1;
622 		u16 needsEKM:1;
623 		u16 reserved:10;
624 #else
625 		u16 reserved:10;
626 		u16 needsEKM:1;
627 		u16 foreign:1;
628 		u16 locked:1;
629 		u16 secured:1;
630 		u16 fdeEnabled:1;
631 		u16 fdeCapable:1;
632 #endif
633 	} security;
634 	u8 mediaType;
635 	u8 notCertified;
636 	u8 bridgeVendor[8];
637 	u8 bridgeProductIdentification[16];
638 	u8 bridgeProductRevisionLevel[4];
639 	u8 satBridgeExists;
640 
641 	u8 interfaceType;
642 	u8 temperature;
643 	u8 emulatedBlockSize;
644 	u16 userDataBlockSize;
645 	u16 reserved2;
646 
647 	struct {
648 #ifndef __BIG_ENDIAN_BITFIELD
649 		u32 piType:3;
650 		u32 piFormatted:1;
651 		u32 piEligible:1;
652 		u32 NCQ:1;
653 		u32 WCE:1;
654 		u32 commissionedSpare:1;
655 		u32 emergencySpare:1;
656 		u32 ineligibleForSSCD:1;
657 		u32 ineligibleForLd:1;
658 		u32 useSSEraseType:1;
659 		u32 wceUnchanged:1;
660 		u32 supportScsiUnmap:1;
661 		u32 reserved:18;
662 #else
663 		u32 reserved:18;
664 		u32 supportScsiUnmap:1;
665 		u32 wceUnchanged:1;
666 		u32 useSSEraseType:1;
667 		u32 ineligibleForLd:1;
668 		u32 ineligibleForSSCD:1;
669 		u32 emergencySpare:1;
670 		u32 commissionedSpare:1;
671 		u32 WCE:1;
672 		u32 NCQ:1;
673 		u32 piEligible:1;
674 		u32 piFormatted:1;
675 		u32 piType:3;
676 #endif
677 	} properties;
678 
679 	u64 shieldDiagCompletionTime;
680 	u8 shieldCounter;
681 
682 	u8 linkSpeedOther;
683 	u8 reserved4[2];
684 
685 	struct {
686 #ifndef __BIG_ENDIAN_BITFIELD
687 		u32 bbmErrCountSupported:1;
688 		u32 bbmErrCount:31;
689 #else
690 		u32 bbmErrCount:31;
691 		u32 bbmErrCountSupported:1;
692 #endif
693 	} bbmErr;
694 
695 	u8 reserved1[512-428];
696 } __packed;
697 
698 /*
699  * Definition of structure used to expose attributes of VD or JBOD
700  * (this structure is to be filled by firmware when MR_DCMD_DRV_GET_TARGET_PROP
701  * is fired by driver)
702  */
703 struct MR_TARGET_PROPERTIES {
704 	u32    max_io_size_kb;
705 	u32    device_qdepth;
706 	u32    sector_size;
707 	u8     reserved[500];
708 } __packed;
709 
710  /*
711  * defines the physical drive address structure
712  */
713 struct MR_PD_ADDRESS {
714 	__le16	deviceId;
715 	u16     enclDeviceId;
716 
717 	union {
718 		struct {
719 			u8  enclIndex;
720 			u8  slotNumber;
721 		} mrPdAddress;
722 		struct {
723 			u8  enclPosition;
724 			u8  enclConnectorIndex;
725 		} mrEnclAddress;
726 	};
727 	u8      scsiDevType;
728 	union {
729 		u8      connectedPortBitmap;
730 		u8      connectedPortNumbers;
731 	};
732 	u64     sasAddr[2];
733 } __packed;
734 
735 /*
736  * defines the physical drive list structure
737  */
738 struct MR_PD_LIST {
739 	__le32		size;
740 	__le32		count;
741 	struct MR_PD_ADDRESS   addr[1];
742 } __packed;
743 
744 struct megasas_pd_list {
745 	u16             tid;
746 	u8             driveType;
747 	u8             driveState;
748 } __packed;
749 
750  /*
751  * defines the logical drive reference structure
752  */
753 union  MR_LD_REF {
754 	struct {
755 		u8      targetId;
756 		u8      reserved;
757 		__le16     seqNum;
758 	};
759 	__le32     ref;
760 } __packed;
761 
762 /*
763  * defines the logical drive list structure
764  */
765 struct MR_LD_LIST {
766 	__le32     ldCount;
767 	__le32     reserved;
768 	struct {
769 		union MR_LD_REF   ref;
770 		u8          state;
771 		u8          reserved[3];
772 		__le64		size;
773 	} ldList[MAX_LOGICAL_DRIVES_EXT];
774 } __packed;
775 
776 struct MR_LD_TARGETID_LIST {
777 	__le32	size;
778 	__le32	count;
779 	u8	pad[3];
780 	u8	targetId[MAX_LOGICAL_DRIVES_EXT];
781 };
782 
783 
784 /*
785  * SAS controller properties
786  */
787 struct megasas_ctrl_prop {
788 
789 	u16 seq_num;
790 	u16 pred_fail_poll_interval;
791 	u16 intr_throttle_count;
792 	u16 intr_throttle_timeouts;
793 	u8 rebuild_rate;
794 	u8 patrol_read_rate;
795 	u8 bgi_rate;
796 	u8 cc_rate;
797 	u8 recon_rate;
798 	u8 cache_flush_interval;
799 	u8 spinup_drv_count;
800 	u8 spinup_delay;
801 	u8 cluster_enable;
802 	u8 coercion_mode;
803 	u8 alarm_enable;
804 	u8 disable_auto_rebuild;
805 	u8 disable_battery_warn;
806 	u8 ecc_bucket_size;
807 	u16 ecc_bucket_leak_rate;
808 	u8 restore_hotspare_on_insertion;
809 	u8 expose_encl_devices;
810 	u8 maintainPdFailHistory;
811 	u8 disallowHostRequestReordering;
812 	u8 abortCCOnError;
813 	u8 loadBalanceMode;
814 	u8 disableAutoDetectBackplane;
815 
816 	u8 snapVDSpace;
817 
818 	/*
819 	* Add properties that can be controlled by
820 	* a bit in the following structure.
821 	*/
822 	struct {
823 #if   defined(__BIG_ENDIAN_BITFIELD)
824 		u32     reserved:18;
825 		u32     enableJBOD:1;
826 		u32     disableSpinDownHS:1;
827 		u32     allowBootWithPinnedCache:1;
828 		u32     disableOnlineCtrlReset:1;
829 		u32     enableSecretKeyControl:1;
830 		u32     autoEnhancedImport:1;
831 		u32     enableSpinDownUnconfigured:1;
832 		u32     SSDPatrolReadEnabled:1;
833 		u32     SSDSMARTerEnabled:1;
834 		u32     disableNCQ:1;
835 		u32     useFdeOnly:1;
836 		u32     prCorrectUnconfiguredAreas:1;
837 		u32     SMARTerEnabled:1;
838 		u32     copyBackDisabled:1;
839 #else
840 		u32     copyBackDisabled:1;
841 		u32     SMARTerEnabled:1;
842 		u32     prCorrectUnconfiguredAreas:1;
843 		u32     useFdeOnly:1;
844 		u32     disableNCQ:1;
845 		u32     SSDSMARTerEnabled:1;
846 		u32     SSDPatrolReadEnabled:1;
847 		u32     enableSpinDownUnconfigured:1;
848 		u32     autoEnhancedImport:1;
849 		u32     enableSecretKeyControl:1;
850 		u32     disableOnlineCtrlReset:1;
851 		u32     allowBootWithPinnedCache:1;
852 		u32     disableSpinDownHS:1;
853 		u32     enableJBOD:1;
854 		u32     reserved:18;
855 #endif
856 	} OnOffProperties;
857 	u8 autoSnapVDSpace;
858 	u8 viewSpace;
859 	__le16 spinDownTime;
860 	u8  reserved[24];
861 } __packed;
862 
863 /*
864  * SAS controller information
865  */
866 struct megasas_ctrl_info {
867 
868 	/*
869 	 * PCI device information
870 	 */
871 	struct {
872 
873 		__le16 vendor_id;
874 		__le16 device_id;
875 		__le16 sub_vendor_id;
876 		__le16 sub_device_id;
877 		u8 reserved[24];
878 
879 	} __attribute__ ((packed)) pci;
880 
881 	/*
882 	 * Host interface information
883 	 */
884 	struct {
885 
886 		u8 PCIX:1;
887 		u8 PCIE:1;
888 		u8 iSCSI:1;
889 		u8 SAS_3G:1;
890 		u8 SRIOV:1;
891 		u8 reserved_0:3;
892 		u8 reserved_1[6];
893 		u8 port_count;
894 		u64 port_addr[8];
895 
896 	} __attribute__ ((packed)) host_interface;
897 
898 	/*
899 	 * Device (backend) interface information
900 	 */
901 	struct {
902 
903 		u8 SPI:1;
904 		u8 SAS_3G:1;
905 		u8 SATA_1_5G:1;
906 		u8 SATA_3G:1;
907 		u8 reserved_0:4;
908 		u8 reserved_1[6];
909 		u8 port_count;
910 		u64 port_addr[8];
911 
912 	} __attribute__ ((packed)) device_interface;
913 
914 	/*
915 	 * List of components residing in flash. All str are null terminated
916 	 */
917 	__le32 image_check_word;
918 	__le32 image_component_count;
919 
920 	struct {
921 
922 		char name[8];
923 		char version[32];
924 		char build_date[16];
925 		char built_time[16];
926 
927 	} __attribute__ ((packed)) image_component[8];
928 
929 	/*
930 	 * List of flash components that have been flashed on the card, but
931 	 * are not in use, pending reset of the adapter. This list will be
932 	 * empty if a flash operation has not occurred. All stings are null
933 	 * terminated
934 	 */
935 	__le32 pending_image_component_count;
936 
937 	struct {
938 
939 		char name[8];
940 		char version[32];
941 		char build_date[16];
942 		char build_time[16];
943 
944 	} __attribute__ ((packed)) pending_image_component[8];
945 
946 	u8 max_arms;
947 	u8 max_spans;
948 	u8 max_arrays;
949 	u8 max_lds;
950 
951 	char product_name[80];
952 	char serial_no[32];
953 
954 	/*
955 	 * Other physical/controller/operation information. Indicates the
956 	 * presence of the hardware
957 	 */
958 	struct {
959 
960 		u32 bbu:1;
961 		u32 alarm:1;
962 		u32 nvram:1;
963 		u32 uart:1;
964 		u32 reserved:28;
965 
966 	} __attribute__ ((packed)) hw_present;
967 
968 	__le32 current_fw_time;
969 
970 	/*
971 	 * Maximum data transfer sizes
972 	 */
973 	__le16 max_concurrent_cmds;
974 	__le16 max_sge_count;
975 	__le32 max_request_size;
976 
977 	/*
978 	 * Logical and physical device counts
979 	 */
980 	__le16 ld_present_count;
981 	__le16 ld_degraded_count;
982 	__le16 ld_offline_count;
983 
984 	__le16 pd_present_count;
985 	__le16 pd_disk_present_count;
986 	__le16 pd_disk_pred_failure_count;
987 	__le16 pd_disk_failed_count;
988 
989 	/*
990 	 * Memory size information
991 	 */
992 	__le16 nvram_size;
993 	__le16 memory_size;
994 	__le16 flash_size;
995 
996 	/*
997 	 * Error counters
998 	 */
999 	__le16 mem_correctable_error_count;
1000 	__le16 mem_uncorrectable_error_count;
1001 
1002 	/*
1003 	 * Cluster information
1004 	 */
1005 	u8 cluster_permitted;
1006 	u8 cluster_active;
1007 
1008 	/*
1009 	 * Additional max data transfer sizes
1010 	 */
1011 	__le16 max_strips_per_io;
1012 
1013 	/*
1014 	 * Controller capabilities structures
1015 	 */
1016 	struct {
1017 
1018 		u32 raid_level_0:1;
1019 		u32 raid_level_1:1;
1020 		u32 raid_level_5:1;
1021 		u32 raid_level_1E:1;
1022 		u32 raid_level_6:1;
1023 		u32 reserved:27;
1024 
1025 	} __attribute__ ((packed)) raid_levels;
1026 
1027 	struct {
1028 
1029 		u32 rbld_rate:1;
1030 		u32 cc_rate:1;
1031 		u32 bgi_rate:1;
1032 		u32 recon_rate:1;
1033 		u32 patrol_rate:1;
1034 		u32 alarm_control:1;
1035 		u32 cluster_supported:1;
1036 		u32 bbu:1;
1037 		u32 spanning_allowed:1;
1038 		u32 dedicated_hotspares:1;
1039 		u32 revertible_hotspares:1;
1040 		u32 foreign_config_import:1;
1041 		u32 self_diagnostic:1;
1042 		u32 mixed_redundancy_arr:1;
1043 		u32 global_hot_spares:1;
1044 		u32 reserved:17;
1045 
1046 	} __attribute__ ((packed)) adapter_operations;
1047 
1048 	struct {
1049 
1050 		u32 read_policy:1;
1051 		u32 write_policy:1;
1052 		u32 io_policy:1;
1053 		u32 access_policy:1;
1054 		u32 disk_cache_policy:1;
1055 		u32 reserved:27;
1056 
1057 	} __attribute__ ((packed)) ld_operations;
1058 
1059 	struct {
1060 
1061 		u8 min;
1062 		u8 max;
1063 		u8 reserved[2];
1064 
1065 	} __attribute__ ((packed)) stripe_sz_ops;
1066 
1067 	struct {
1068 
1069 		u32 force_online:1;
1070 		u32 force_offline:1;
1071 		u32 force_rebuild:1;
1072 		u32 reserved:29;
1073 
1074 	} __attribute__ ((packed)) pd_operations;
1075 
1076 	struct {
1077 
1078 		u32 ctrl_supports_sas:1;
1079 		u32 ctrl_supports_sata:1;
1080 		u32 allow_mix_in_encl:1;
1081 		u32 allow_mix_in_ld:1;
1082 		u32 allow_sata_in_cluster:1;
1083 		u32 reserved:27;
1084 
1085 	} __attribute__ ((packed)) pd_mix_support;
1086 
1087 	/*
1088 	 * Define ECC single-bit-error bucket information
1089 	 */
1090 	u8 ecc_bucket_count;
1091 	u8 reserved_2[11];
1092 
1093 	/*
1094 	 * Include the controller properties (changeable items)
1095 	 */
1096 	struct megasas_ctrl_prop properties;
1097 
1098 	/*
1099 	 * Define FW pkg version (set in envt v'bles on OEM basis)
1100 	 */
1101 	char package_version[0x60];
1102 
1103 
1104 	/*
1105 	* If adapterOperations.supportMoreThan8Phys is set,
1106 	* and deviceInterface.portCount is greater than 8,
1107 	* SAS Addrs for first 8 ports shall be populated in
1108 	* deviceInterface.portAddr, and the rest shall be
1109 	* populated in deviceInterfacePortAddr2.
1110 	*/
1111 	__le64	    deviceInterfacePortAddr2[8]; /*6a0h */
1112 	u8          reserved3[128];              /*6e0h */
1113 
1114 	struct {                                /*760h */
1115 		u16 minPdRaidLevel_0:4;
1116 		u16 maxPdRaidLevel_0:12;
1117 
1118 		u16 minPdRaidLevel_1:4;
1119 		u16 maxPdRaidLevel_1:12;
1120 
1121 		u16 minPdRaidLevel_5:4;
1122 		u16 maxPdRaidLevel_5:12;
1123 
1124 		u16 minPdRaidLevel_1E:4;
1125 		u16 maxPdRaidLevel_1E:12;
1126 
1127 		u16 minPdRaidLevel_6:4;
1128 		u16 maxPdRaidLevel_6:12;
1129 
1130 		u16 minPdRaidLevel_10:4;
1131 		u16 maxPdRaidLevel_10:12;
1132 
1133 		u16 minPdRaidLevel_50:4;
1134 		u16 maxPdRaidLevel_50:12;
1135 
1136 		u16 minPdRaidLevel_60:4;
1137 		u16 maxPdRaidLevel_60:12;
1138 
1139 		u16 minPdRaidLevel_1E_RLQ0:4;
1140 		u16 maxPdRaidLevel_1E_RLQ0:12;
1141 
1142 		u16 minPdRaidLevel_1E0_RLQ0:4;
1143 		u16 maxPdRaidLevel_1E0_RLQ0:12;
1144 
1145 		u16 reserved[6];
1146 	} pdsForRaidLevels;
1147 
1148 	__le16 maxPds;                          /*780h */
1149 	__le16 maxDedHSPs;                      /*782h */
1150 	__le16 maxGlobalHSP;                    /*784h */
1151 	__le16 ddfSize;                         /*786h */
1152 	u8  maxLdsPerArray;                     /*788h */
1153 	u8  partitionsInDDF;                    /*789h */
1154 	u8  lockKeyBinding;                     /*78ah */
1155 	u8  maxPITsPerLd;                       /*78bh */
1156 	u8  maxViewsPerLd;                      /*78ch */
1157 	u8  maxTargetId;                        /*78dh */
1158 	__le16 maxBvlVdSize;                    /*78eh */
1159 
1160 	__le16 maxConfigurableSSCSize;          /*790h */
1161 	__le16 currentSSCsize;                  /*792h */
1162 
1163 	char    expanderFwVersion[12];          /*794h */
1164 
1165 	__le16 PFKTrialTimeRemaining;           /*7A0h */
1166 
1167 	__le16 cacheMemorySize;                 /*7A2h */
1168 
1169 	struct {                                /*7A4h */
1170 #if   defined(__BIG_ENDIAN_BITFIELD)
1171 		u32     reserved:5;
1172 		u32	activePassive:2;
1173 		u32	supportConfigAutoBalance:1;
1174 		u32	mpio:1;
1175 		u32	supportDataLDonSSCArray:1;
1176 		u32	supportPointInTimeProgress:1;
1177 		u32     supportUnevenSpans:1;
1178 		u32     dedicatedHotSparesLimited:1;
1179 		u32     headlessMode:1;
1180 		u32     supportEmulatedDrives:1;
1181 		u32     supportResetNow:1;
1182 		u32     realTimeScheduler:1;
1183 		u32     supportSSDPatrolRead:1;
1184 		u32     supportPerfTuning:1;
1185 		u32     disableOnlinePFKChange:1;
1186 		u32     supportJBOD:1;
1187 		u32     supportBootTimePFKChange:1;
1188 		u32     supportSetLinkSpeed:1;
1189 		u32     supportEmergencySpares:1;
1190 		u32     supportSuspendResumeBGops:1;
1191 		u32     blockSSDWriteCacheChange:1;
1192 		u32     supportShieldState:1;
1193 		u32     supportLdBBMInfo:1;
1194 		u32     supportLdPIType3:1;
1195 		u32     supportLdPIType2:1;
1196 		u32     supportLdPIType1:1;
1197 		u32     supportPIcontroller:1;
1198 #else
1199 		u32     supportPIcontroller:1;
1200 		u32     supportLdPIType1:1;
1201 		u32     supportLdPIType2:1;
1202 		u32     supportLdPIType3:1;
1203 		u32     supportLdBBMInfo:1;
1204 		u32     supportShieldState:1;
1205 		u32     blockSSDWriteCacheChange:1;
1206 		u32     supportSuspendResumeBGops:1;
1207 		u32     supportEmergencySpares:1;
1208 		u32     supportSetLinkSpeed:1;
1209 		u32     supportBootTimePFKChange:1;
1210 		u32     supportJBOD:1;
1211 		u32     disableOnlinePFKChange:1;
1212 		u32     supportPerfTuning:1;
1213 		u32     supportSSDPatrolRead:1;
1214 		u32     realTimeScheduler:1;
1215 
1216 		u32     supportResetNow:1;
1217 		u32     supportEmulatedDrives:1;
1218 		u32     headlessMode:1;
1219 		u32     dedicatedHotSparesLimited:1;
1220 
1221 
1222 		u32     supportUnevenSpans:1;
1223 		u32	supportPointInTimeProgress:1;
1224 		u32	supportDataLDonSSCArray:1;
1225 		u32	mpio:1;
1226 		u32	supportConfigAutoBalance:1;
1227 		u32	activePassive:2;
1228 		u32     reserved:5;
1229 #endif
1230 	} adapterOperations2;
1231 
1232 	u8  driverVersion[32];                  /*7A8h */
1233 	u8  maxDAPdCountSpinup60;               /*7C8h */
1234 	u8  temperatureROC;                     /*7C9h */
1235 	u8  temperatureCtrl;                    /*7CAh */
1236 	u8  reserved4;                          /*7CBh */
1237 	__le16 maxConfigurablePds;              /*7CCh */
1238 
1239 
1240 	u8  reserved5[2];                       /*0x7CDh */
1241 
1242 	/*
1243 	* HA cluster information
1244 	*/
1245 	struct {
1246 #if defined(__BIG_ENDIAN_BITFIELD)
1247 		u32     reserved:25;
1248 		u32     passive:1;
1249 		u32     premiumFeatureMismatch:1;
1250 		u32     ctrlPropIncompatible:1;
1251 		u32     fwVersionMismatch:1;
1252 		u32     hwIncompatible:1;
1253 		u32     peerIsIncompatible:1;
1254 		u32     peerIsPresent:1;
1255 #else
1256 		u32     peerIsPresent:1;
1257 		u32     peerIsIncompatible:1;
1258 		u32     hwIncompatible:1;
1259 		u32     fwVersionMismatch:1;
1260 		u32     ctrlPropIncompatible:1;
1261 		u32     premiumFeatureMismatch:1;
1262 		u32     passive:1;
1263 		u32     reserved:25;
1264 #endif
1265 	} cluster;
1266 
1267 	char clusterId[MEGASAS_CLUSTER_ID_SIZE]; /*0x7D4 */
1268 	struct {
1269 		u8  maxVFsSupported;            /*0x7E4*/
1270 		u8  numVFsEnabled;              /*0x7E5*/
1271 		u8  requestorId;                /*0x7E6 0:PF, 1:VF1, 2:VF2*/
1272 		u8  reserved;                   /*0x7E7*/
1273 	} iov;
1274 
1275 	struct {
1276 #if defined(__BIG_ENDIAN_BITFIELD)
1277 		u32     reserved:7;
1278 		u32     useSeqNumJbodFP:1;
1279 		u32     supportExtendedSSCSize:1;
1280 		u32     supportDiskCacheSettingForSysPDs:1;
1281 		u32     supportCPLDUpdate:1;
1282 		u32     supportTTYLogCompression:1;
1283 		u32     discardCacheDuringLDDelete:1;
1284 		u32     supportSecurityonJBOD:1;
1285 		u32     supportCacheBypassModes:1;
1286 		u32     supportDisableSESMonitoring:1;
1287 		u32     supportForceFlash:1;
1288 		u32     supportNVDRAM:1;
1289 		u32     supportDrvActivityLEDSetting:1;
1290 		u32     supportAllowedOpsforDrvRemoval:1;
1291 		u32     supportHOQRebuild:1;
1292 		u32     supportForceTo512e:1;
1293 		u32     supportNVCacheErase:1;
1294 		u32     supportDebugQueue:1;
1295 		u32     supportSwZone:1;
1296 		u32     supportCrashDump:1;
1297 		u32     supportMaxExtLDs:1;
1298 		u32     supportT10RebuildAssist:1;
1299 		u32     supportDisableImmediateIO:1;
1300 		u32     supportThermalPollInterval:1;
1301 		u32     supportPersonalityChange:2;
1302 #else
1303 		u32     supportPersonalityChange:2;
1304 		u32     supportThermalPollInterval:1;
1305 		u32     supportDisableImmediateIO:1;
1306 		u32     supportT10RebuildAssist:1;
1307 		u32	supportMaxExtLDs:1;
1308 		u32	supportCrashDump:1;
1309 		u32     supportSwZone:1;
1310 		u32     supportDebugQueue:1;
1311 		u32     supportNVCacheErase:1;
1312 		u32     supportForceTo512e:1;
1313 		u32     supportHOQRebuild:1;
1314 		u32     supportAllowedOpsforDrvRemoval:1;
1315 		u32     supportDrvActivityLEDSetting:1;
1316 		u32     supportNVDRAM:1;
1317 		u32     supportForceFlash:1;
1318 		u32     supportDisableSESMonitoring:1;
1319 		u32     supportCacheBypassModes:1;
1320 		u32     supportSecurityonJBOD:1;
1321 		u32     discardCacheDuringLDDelete:1;
1322 		u32     supportTTYLogCompression:1;
1323 		u32     supportCPLDUpdate:1;
1324 		u32     supportDiskCacheSettingForSysPDs:1;
1325 		u32     supportExtendedSSCSize:1;
1326 		u32     useSeqNumJbodFP:1;
1327 		u32     reserved:7;
1328 #endif
1329 	} adapterOperations3;
1330 
1331 	struct {
1332 #if defined(__BIG_ENDIAN_BITFIELD)
1333 	u8 reserved:7;
1334 	/* Indicates whether the CPLD image is part of
1335 	 *  the package and stored in flash
1336 	 */
1337 	u8 cpld_in_flash:1;
1338 #else
1339 	u8 cpld_in_flash:1;
1340 	u8 reserved:7;
1341 #endif
1342 	u8 reserved1[3];
1343 	/* Null terminated string. Has the version
1344 	 *  information if cpld_in_flash = FALSE
1345 	 */
1346 	u8 userCodeDefinition[12];
1347 	} cpld;  /* Valid only if upgradableCPLD is TRUE */
1348 
1349 	struct {
1350 	#if defined(__BIG_ENDIAN_BITFIELD)
1351 		u16 reserved:8;
1352 		u16 fw_swaps_bbu_vpd_info:1;
1353 		u16 support_pd_map_target_id:1;
1354 		u16 support_ses_ctrl_in_multipathcfg:1;
1355 		u16 image_upload_supported:1;
1356 		u16 support_encrypted_mfc:1;
1357 		u16 supported_enc_algo:1;
1358 		u16 support_ibutton_less:1;
1359 		u16 ctrl_info_ext_supported:1;
1360 	#else
1361 
1362 		u16 ctrl_info_ext_supported:1;
1363 		u16 support_ibutton_less:1;
1364 		u16 supported_enc_algo:1;
1365 		u16 support_encrypted_mfc:1;
1366 		u16 image_upload_supported:1;
1367 		/* FW supports LUN based association and target port based */
1368 		u16 support_ses_ctrl_in_multipathcfg:1;
1369 		/* association for the SES device connected in multipath mode */
1370 		/* FW defines Jbod target Id within MR_PD_CFG_SEQ */
1371 		u16 support_pd_map_target_id:1;
1372 		/* FW swaps relevant fields in MR_BBU_VPD_INFO_FIXED to
1373 		 *  provide the data in little endian order
1374 		 */
1375 		u16 fw_swaps_bbu_vpd_info:1;
1376 		u16 reserved:8;
1377 	#endif
1378 		} adapter_operations4;
1379 	u8 pad[0x800 - 0x7FE]; /* 0x7FE pad to 2K for expansion */
1380 } __packed;
1381 
1382 /*
1383  * ===============================
1384  * MegaRAID SAS driver definitions
1385  * ===============================
1386  */
1387 #define MEGASAS_MAX_PD_CHANNELS			2
1388 #define MEGASAS_MAX_LD_CHANNELS			2
1389 #define MEGASAS_MAX_CHANNELS			(MEGASAS_MAX_PD_CHANNELS + \
1390 						MEGASAS_MAX_LD_CHANNELS)
1391 #define MEGASAS_MAX_DEV_PER_CHANNEL		128
1392 #define MEGASAS_DEFAULT_INIT_ID			-1
1393 #define MEGASAS_MAX_LUN				8
1394 #define MEGASAS_DEFAULT_CMD_PER_LUN		256
1395 #define MEGASAS_MAX_PD                          (MEGASAS_MAX_PD_CHANNELS * \
1396 						MEGASAS_MAX_DEV_PER_CHANNEL)
1397 #define MEGASAS_MAX_LD_IDS			(MEGASAS_MAX_LD_CHANNELS * \
1398 						MEGASAS_MAX_DEV_PER_CHANNEL)
1399 
1400 #define MEGASAS_MAX_SECTORS                    (2*1024)
1401 #define MEGASAS_MAX_SECTORS_IEEE		(2*128)
1402 #define MEGASAS_DBG_LVL				1
1403 
1404 #define MEGASAS_FW_BUSY				1
1405 
1406 /* Driver's internal Logging levels*/
1407 #define OCR_LOGS    (1 << 0)
1408 
1409 #define SCAN_PD_CHANNEL	0x1
1410 #define SCAN_VD_CHANNEL	0x2
1411 
1412 #define MEGASAS_KDUMP_QUEUE_DEPTH               100
1413 #define MR_LARGE_IO_MIN_SIZE			(32 * 1024)
1414 #define MR_R1_LDIO_PIGGYBACK_DEFAULT		4
1415 
1416 enum MR_SCSI_CMD_TYPE {
1417 	READ_WRITE_LDIO = 0,
1418 	NON_READ_WRITE_LDIO = 1,
1419 	READ_WRITE_SYSPDIO = 2,
1420 	NON_READ_WRITE_SYSPDIO = 3,
1421 };
1422 
1423 enum DCMD_TIMEOUT_ACTION {
1424 	INITIATE_OCR = 0,
1425 	KILL_ADAPTER = 1,
1426 	IGNORE_TIMEOUT = 2,
1427 };
1428 
1429 enum FW_BOOT_CONTEXT {
1430 	PROBE_CONTEXT = 0,
1431 	OCR_CONTEXT = 1,
1432 };
1433 
1434 /* Frame Type */
1435 #define IO_FRAME				0
1436 #define PTHRU_FRAME				1
1437 
1438 /*
1439  * When SCSI mid-layer calls driver's reset routine, driver waits for
1440  * MEGASAS_RESET_WAIT_TIME seconds for all outstanding IO to complete. Note
1441  * that the driver cannot _actually_ abort or reset pending commands. While
1442  * it is waiting for the commands to complete, it prints a diagnostic message
1443  * every MEGASAS_RESET_NOTICE_INTERVAL seconds
1444  */
1445 #define MEGASAS_RESET_WAIT_TIME			180
1446 #define MEGASAS_INTERNAL_CMD_WAIT_TIME		180
1447 #define	MEGASAS_RESET_NOTICE_INTERVAL		5
1448 #define MEGASAS_IOCTL_CMD			0
1449 #define MEGASAS_DEFAULT_CMD_TIMEOUT		90
1450 #define MEGASAS_THROTTLE_QUEUE_DEPTH		16
1451 #define MEGASAS_BLOCKED_CMD_TIMEOUT		60
1452 /*
1453  * FW reports the maximum of number of commands that it can accept (maximum
1454  * commands that can be outstanding) at any time. The driver must report a
1455  * lower number to the mid layer because it can issue a few internal commands
1456  * itself (E.g, AEN, abort cmd, IOCTLs etc). The number of commands it needs
1457  * is shown below
1458  */
1459 #define MEGASAS_INT_CMDS			32
1460 #define MEGASAS_SKINNY_INT_CMDS			5
1461 #define MEGASAS_FUSION_INTERNAL_CMDS		8
1462 #define MEGASAS_FUSION_IOCTL_CMDS		3
1463 #define MEGASAS_MFI_IOCTL_CMDS			27
1464 
1465 #define MEGASAS_MAX_MSIX_QUEUES			128
1466 /*
1467  * FW can accept both 32 and 64 bit SGLs. We want to allocate 32/64 bit
1468  * SGLs based on the size of dma_addr_t
1469  */
1470 #define IS_DMA64				(sizeof(dma_addr_t) == 8)
1471 
1472 #define MFI_XSCALE_OMR0_CHANGE_INTERRUPT		0x00000001
1473 
1474 #define MFI_INTR_FLAG_REPLY_MESSAGE			0x00000001
1475 #define MFI_INTR_FLAG_FIRMWARE_STATE_CHANGE		0x00000002
1476 #define MFI_G2_OUTBOUND_DOORBELL_CHANGE_INTERRUPT	0x00000004
1477 
1478 #define MFI_OB_INTR_STATUS_MASK			0x00000002
1479 #define MFI_POLL_TIMEOUT_SECS			60
1480 #define MFI_IO_TIMEOUT_SECS			180
1481 #define MEGASAS_SRIOV_HEARTBEAT_INTERVAL_VF	(5 * HZ)
1482 #define MEGASAS_OCR_SETTLE_TIME_VF		(1000 * 30)
1483 #define MEGASAS_ROUTINE_WAIT_TIME_VF		300
1484 #define MFI_REPLY_1078_MESSAGE_INTERRUPT	0x80000000
1485 #define MFI_REPLY_GEN2_MESSAGE_INTERRUPT	0x00000001
1486 #define MFI_GEN2_ENABLE_INTERRUPT_MASK		(0x00000001 | 0x00000004)
1487 #define MFI_REPLY_SKINNY_MESSAGE_INTERRUPT	0x40000000
1488 #define MFI_SKINNY_ENABLE_INTERRUPT_MASK	(0x00000001)
1489 
1490 #define MFI_1068_PCSR_OFFSET			0x84
1491 #define MFI_1068_FW_HANDSHAKE_OFFSET		0x64
1492 #define MFI_1068_FW_READY			0xDDDD0000
1493 
1494 #define MR_MAX_REPLY_QUEUES_OFFSET              0X0000001F
1495 #define MR_MAX_REPLY_QUEUES_EXT_OFFSET          0X003FC000
1496 #define MR_MAX_REPLY_QUEUES_EXT_OFFSET_SHIFT    14
1497 #define MR_MAX_MSIX_REG_ARRAY                   16
1498 #define MR_RDPQ_MODE_OFFSET			0X00800000
1499 
1500 #define MR_MAX_RAID_MAP_SIZE_OFFSET_SHIFT	16
1501 #define MR_MAX_RAID_MAP_SIZE_MASK		0x1FF
1502 #define MR_MIN_MAP_SIZE				0x10000
1503 /* 64k */
1504 
1505 #define MR_CAN_HANDLE_SYNC_CACHE_OFFSET		0X01000000
1506 
1507 /*
1508 * register set for both 1068 and 1078 controllers
1509 * structure extended for 1078 registers
1510 */
1511 
1512 struct megasas_register_set {
1513 	u32	doorbell;                       /*0000h*/
1514 	u32	fusion_seq_offset;		/*0004h*/
1515 	u32	fusion_host_diag;		/*0008h*/
1516 	u32	reserved_01;			/*000Ch*/
1517 
1518 	u32 	inbound_msg_0;			/*0010h*/
1519 	u32 	inbound_msg_1;			/*0014h*/
1520 	u32 	outbound_msg_0;			/*0018h*/
1521 	u32 	outbound_msg_1;			/*001Ch*/
1522 
1523 	u32 	inbound_doorbell;		/*0020h*/
1524 	u32 	inbound_intr_status;		/*0024h*/
1525 	u32 	inbound_intr_mask;		/*0028h*/
1526 
1527 	u32 	outbound_doorbell;		/*002Ch*/
1528 	u32 	outbound_intr_status;		/*0030h*/
1529 	u32 	outbound_intr_mask;		/*0034h*/
1530 
1531 	u32 	reserved_1[2];			/*0038h*/
1532 
1533 	u32 	inbound_queue_port;		/*0040h*/
1534 	u32 	outbound_queue_port;		/*0044h*/
1535 
1536 	u32	reserved_2[9];			/*0048h*/
1537 	u32	reply_post_host_index;		/*006Ch*/
1538 	u32	reserved_2_2[12];		/*0070h*/
1539 
1540 	u32 	outbound_doorbell_clear;	/*00A0h*/
1541 
1542 	u32 	reserved_3[3];			/*00A4h*/
1543 
1544 	u32 	outbound_scratch_pad ;		/*00B0h*/
1545 	u32	outbound_scratch_pad_2;         /*00B4h*/
1546 	u32	outbound_scratch_pad_3;         /*00B8h*/
1547 	u32	outbound_scratch_pad_4;         /*00BCh*/
1548 
1549 
1550 	u32 	inbound_low_queue_port ;	/*00C0h*/
1551 
1552 	u32 	inbound_high_queue_port ;	/*00C4h*/
1553 
1554 	u32 inbound_single_queue_port;	/*00C8h*/
1555 	u32	res_6[11];			/*CCh*/
1556 	u32	host_diag;
1557 	u32	seq_offset;
1558 	u32 	index_registers[807];		/*00CCh*/
1559 } __attribute__ ((packed));
1560 
1561 struct megasas_sge32 {
1562 
1563 	__le32 phys_addr;
1564 	__le32 length;
1565 
1566 } __attribute__ ((packed));
1567 
1568 struct megasas_sge64 {
1569 
1570 	__le64 phys_addr;
1571 	__le32 length;
1572 
1573 } __attribute__ ((packed));
1574 
1575 struct megasas_sge_skinny {
1576 	__le64 phys_addr;
1577 	__le32 length;
1578 	__le32 flag;
1579 } __packed;
1580 
1581 union megasas_sgl {
1582 
1583 	struct megasas_sge32 sge32[1];
1584 	struct megasas_sge64 sge64[1];
1585 	struct megasas_sge_skinny sge_skinny[1];
1586 
1587 } __attribute__ ((packed));
1588 
1589 struct megasas_header {
1590 
1591 	u8 cmd;			/*00h */
1592 	u8 sense_len;		/*01h */
1593 	u8 cmd_status;		/*02h */
1594 	u8 scsi_status;		/*03h */
1595 
1596 	u8 target_id;		/*04h */
1597 	u8 lun;			/*05h */
1598 	u8 cdb_len;		/*06h */
1599 	u8 sge_count;		/*07h */
1600 
1601 	__le32 context;		/*08h */
1602 	__le32 pad_0;		/*0Ch */
1603 
1604 	__le16 flags;		/*10h */
1605 	__le16 timeout;		/*12h */
1606 	__le32 data_xferlen;	/*14h */
1607 
1608 } __attribute__ ((packed));
1609 
1610 union megasas_sgl_frame {
1611 
1612 	struct megasas_sge32 sge32[8];
1613 	struct megasas_sge64 sge64[5];
1614 
1615 } __attribute__ ((packed));
1616 
1617 typedef union _MFI_CAPABILITIES {
1618 	struct {
1619 #if   defined(__BIG_ENDIAN_BITFIELD)
1620 	u32     reserved:19;
1621 	u32 support_pd_map_target_id:1;
1622 	u32     support_qd_throttling:1;
1623 	u32     support_fp_rlbypass:1;
1624 	u32     support_vfid_in_ioframe:1;
1625 	u32     support_ext_io_size:1;
1626 	u32		support_ext_queue_depth:1;
1627 	u32     security_protocol_cmds_fw:1;
1628 	u32     support_core_affinity:1;
1629 	u32     support_ndrive_r1_lb:1;
1630 	u32		support_max_255lds:1;
1631 	u32		support_fastpath_wb:1;
1632 	u32     support_additional_msix:1;
1633 	u32     support_fp_remote_lun:1;
1634 #else
1635 	u32     support_fp_remote_lun:1;
1636 	u32     support_additional_msix:1;
1637 	u32		support_fastpath_wb:1;
1638 	u32		support_max_255lds:1;
1639 	u32     support_ndrive_r1_lb:1;
1640 	u32     support_core_affinity:1;
1641 	u32     security_protocol_cmds_fw:1;
1642 	u32		support_ext_queue_depth:1;
1643 	u32     support_ext_io_size:1;
1644 	u32     support_vfid_in_ioframe:1;
1645 	u32     support_fp_rlbypass:1;
1646 	u32     support_qd_throttling:1;
1647 	u32	support_pd_map_target_id:1;
1648 	u32     reserved:19;
1649 #endif
1650 	} mfi_capabilities;
1651 	__le32		reg;
1652 } MFI_CAPABILITIES;
1653 
1654 struct megasas_init_frame {
1655 
1656 	u8 cmd;			/*00h */
1657 	u8 reserved_0;		/*01h */
1658 	u8 cmd_status;		/*02h */
1659 
1660 	u8 reserved_1;		/*03h */
1661 	MFI_CAPABILITIES driver_operations; /*04h*/
1662 
1663 	__le32 context;		/*08h */
1664 	__le32 pad_0;		/*0Ch */
1665 
1666 	__le16 flags;		/*10h */
1667 	__le16 reserved_3;		/*12h */
1668 	__le32 data_xfer_len;	/*14h */
1669 
1670 	__le32 queue_info_new_phys_addr_lo;	/*18h */
1671 	__le32 queue_info_new_phys_addr_hi;	/*1Ch */
1672 	__le32 queue_info_old_phys_addr_lo;	/*20h */
1673 	__le32 queue_info_old_phys_addr_hi;	/*24h */
1674 	__le32 reserved_4[2];	/*28h */
1675 	__le32 system_info_lo;      /*30h */
1676 	__le32 system_info_hi;      /*34h */
1677 	__le32 reserved_5[2];	/*38h */
1678 
1679 } __attribute__ ((packed));
1680 
1681 struct megasas_init_queue_info {
1682 
1683 	__le32 init_flags;		/*00h */
1684 	__le32 reply_queue_entries;	/*04h */
1685 
1686 	__le32 reply_queue_start_phys_addr_lo;	/*08h */
1687 	__le32 reply_queue_start_phys_addr_hi;	/*0Ch */
1688 	__le32 producer_index_phys_addr_lo;	/*10h */
1689 	__le32 producer_index_phys_addr_hi;	/*14h */
1690 	__le32 consumer_index_phys_addr_lo;	/*18h */
1691 	__le32 consumer_index_phys_addr_hi;	/*1Ch */
1692 
1693 } __attribute__ ((packed));
1694 
1695 struct megasas_io_frame {
1696 
1697 	u8 cmd;			/*00h */
1698 	u8 sense_len;		/*01h */
1699 	u8 cmd_status;		/*02h */
1700 	u8 scsi_status;		/*03h */
1701 
1702 	u8 target_id;		/*04h */
1703 	u8 access_byte;		/*05h */
1704 	u8 reserved_0;		/*06h */
1705 	u8 sge_count;		/*07h */
1706 
1707 	__le32 context;		/*08h */
1708 	__le32 pad_0;		/*0Ch */
1709 
1710 	__le16 flags;		/*10h */
1711 	__le16 timeout;		/*12h */
1712 	__le32 lba_count;	/*14h */
1713 
1714 	__le32 sense_buf_phys_addr_lo;	/*18h */
1715 	__le32 sense_buf_phys_addr_hi;	/*1Ch */
1716 
1717 	__le32 start_lba_lo;	/*20h */
1718 	__le32 start_lba_hi;	/*24h */
1719 
1720 	union megasas_sgl sgl;	/*28h */
1721 
1722 } __attribute__ ((packed));
1723 
1724 struct megasas_pthru_frame {
1725 
1726 	u8 cmd;			/*00h */
1727 	u8 sense_len;		/*01h */
1728 	u8 cmd_status;		/*02h */
1729 	u8 scsi_status;		/*03h */
1730 
1731 	u8 target_id;		/*04h */
1732 	u8 lun;			/*05h */
1733 	u8 cdb_len;		/*06h */
1734 	u8 sge_count;		/*07h */
1735 
1736 	__le32 context;		/*08h */
1737 	__le32 pad_0;		/*0Ch */
1738 
1739 	__le16 flags;		/*10h */
1740 	__le16 timeout;		/*12h */
1741 	__le32 data_xfer_len;	/*14h */
1742 
1743 	__le32 sense_buf_phys_addr_lo;	/*18h */
1744 	__le32 sense_buf_phys_addr_hi;	/*1Ch */
1745 
1746 	u8 cdb[16];		/*20h */
1747 	union megasas_sgl sgl;	/*30h */
1748 
1749 } __attribute__ ((packed));
1750 
1751 struct megasas_dcmd_frame {
1752 
1753 	u8 cmd;			/*00h */
1754 	u8 reserved_0;		/*01h */
1755 	u8 cmd_status;		/*02h */
1756 	u8 reserved_1[4];	/*03h */
1757 	u8 sge_count;		/*07h */
1758 
1759 	__le32 context;		/*08h */
1760 	__le32 pad_0;		/*0Ch */
1761 
1762 	__le16 flags;		/*10h */
1763 	__le16 timeout;		/*12h */
1764 
1765 	__le32 data_xfer_len;	/*14h */
1766 	__le32 opcode;		/*18h */
1767 
1768 	union {			/*1Ch */
1769 		u8 b[12];
1770 		__le16 s[6];
1771 		__le32 w[3];
1772 	} mbox;
1773 
1774 	union megasas_sgl sgl;	/*28h */
1775 
1776 } __attribute__ ((packed));
1777 
1778 struct megasas_abort_frame {
1779 
1780 	u8 cmd;			/*00h */
1781 	u8 reserved_0;		/*01h */
1782 	u8 cmd_status;		/*02h */
1783 
1784 	u8 reserved_1;		/*03h */
1785 	__le32 reserved_2;	/*04h */
1786 
1787 	__le32 context;		/*08h */
1788 	__le32 pad_0;		/*0Ch */
1789 
1790 	__le16 flags;		/*10h */
1791 	__le16 reserved_3;	/*12h */
1792 	__le32 reserved_4;	/*14h */
1793 
1794 	__le32 abort_context;	/*18h */
1795 	__le32 pad_1;		/*1Ch */
1796 
1797 	__le32 abort_mfi_phys_addr_lo;	/*20h */
1798 	__le32 abort_mfi_phys_addr_hi;	/*24h */
1799 
1800 	__le32 reserved_5[6];	/*28h */
1801 
1802 } __attribute__ ((packed));
1803 
1804 struct megasas_smp_frame {
1805 
1806 	u8 cmd;			/*00h */
1807 	u8 reserved_1;		/*01h */
1808 	u8 cmd_status;		/*02h */
1809 	u8 connection_status;	/*03h */
1810 
1811 	u8 reserved_2[3];	/*04h */
1812 	u8 sge_count;		/*07h */
1813 
1814 	__le32 context;		/*08h */
1815 	__le32 pad_0;		/*0Ch */
1816 
1817 	__le16 flags;		/*10h */
1818 	__le16 timeout;		/*12h */
1819 
1820 	__le32 data_xfer_len;	/*14h */
1821 	__le64 sas_addr;	/*18h */
1822 
1823 	union {
1824 		struct megasas_sge32 sge32[2];	/* [0]: resp [1]: req */
1825 		struct megasas_sge64 sge64[2];	/* [0]: resp [1]: req */
1826 	} sgl;
1827 
1828 } __attribute__ ((packed));
1829 
1830 struct megasas_stp_frame {
1831 
1832 	u8 cmd;			/*00h */
1833 	u8 reserved_1;		/*01h */
1834 	u8 cmd_status;		/*02h */
1835 	u8 reserved_2;		/*03h */
1836 
1837 	u8 target_id;		/*04h */
1838 	u8 reserved_3[2];	/*05h */
1839 	u8 sge_count;		/*07h */
1840 
1841 	__le32 context;		/*08h */
1842 	__le32 pad_0;		/*0Ch */
1843 
1844 	__le16 flags;		/*10h */
1845 	__le16 timeout;		/*12h */
1846 
1847 	__le32 data_xfer_len;	/*14h */
1848 
1849 	__le16 fis[10];		/*18h */
1850 	__le32 stp_flags;
1851 
1852 	union {
1853 		struct megasas_sge32 sge32[2];	/* [0]: resp [1]: data */
1854 		struct megasas_sge64 sge64[2];	/* [0]: resp [1]: data */
1855 	} sgl;
1856 
1857 } __attribute__ ((packed));
1858 
1859 union megasas_frame {
1860 
1861 	struct megasas_header hdr;
1862 	struct megasas_init_frame init;
1863 	struct megasas_io_frame io;
1864 	struct megasas_pthru_frame pthru;
1865 	struct megasas_dcmd_frame dcmd;
1866 	struct megasas_abort_frame abort;
1867 	struct megasas_smp_frame smp;
1868 	struct megasas_stp_frame stp;
1869 
1870 	u8 raw_bytes[64];
1871 };
1872 
1873 /**
1874  * struct MR_PRIV_DEVICE - sdev private hostdata
1875  * @is_tm_capable: firmware managed tm_capable flag
1876  * @tm_busy: TM request is in progress
1877  */
1878 struct MR_PRIV_DEVICE {
1879 	bool is_tm_capable;
1880 	bool tm_busy;
1881 	atomic_t r1_ldio_hint;
1882 	u8   interface_type;
1883 };
1884 struct megasas_cmd;
1885 
1886 union megasas_evt_class_locale {
1887 
1888 	struct {
1889 #ifndef __BIG_ENDIAN_BITFIELD
1890 		u16 locale;
1891 		u8 reserved;
1892 		s8 class;
1893 #else
1894 		s8 class;
1895 		u8 reserved;
1896 		u16 locale;
1897 #endif
1898 	} __attribute__ ((packed)) members;
1899 
1900 	u32 word;
1901 
1902 } __attribute__ ((packed));
1903 
1904 struct megasas_evt_log_info {
1905 	__le32 newest_seq_num;
1906 	__le32 oldest_seq_num;
1907 	__le32 clear_seq_num;
1908 	__le32 shutdown_seq_num;
1909 	__le32 boot_seq_num;
1910 
1911 } __attribute__ ((packed));
1912 
1913 struct megasas_progress {
1914 
1915 	__le16 progress;
1916 	__le16 elapsed_seconds;
1917 
1918 } __attribute__ ((packed));
1919 
1920 struct megasas_evtarg_ld {
1921 
1922 	u16 target_id;
1923 	u8 ld_index;
1924 	u8 reserved;
1925 
1926 } __attribute__ ((packed));
1927 
1928 struct megasas_evtarg_pd {
1929 	u16 device_id;
1930 	u8 encl_index;
1931 	u8 slot_number;
1932 
1933 } __attribute__ ((packed));
1934 
1935 struct megasas_evt_detail {
1936 
1937 	__le32 seq_num;
1938 	__le32 time_stamp;
1939 	__le32 code;
1940 	union megasas_evt_class_locale cl;
1941 	u8 arg_type;
1942 	u8 reserved1[15];
1943 
1944 	union {
1945 		struct {
1946 			struct megasas_evtarg_pd pd;
1947 			u8 cdb_length;
1948 			u8 sense_length;
1949 			u8 reserved[2];
1950 			u8 cdb[16];
1951 			u8 sense[64];
1952 		} __attribute__ ((packed)) cdbSense;
1953 
1954 		struct megasas_evtarg_ld ld;
1955 
1956 		struct {
1957 			struct megasas_evtarg_ld ld;
1958 			__le64 count;
1959 		} __attribute__ ((packed)) ld_count;
1960 
1961 		struct {
1962 			__le64 lba;
1963 			struct megasas_evtarg_ld ld;
1964 		} __attribute__ ((packed)) ld_lba;
1965 
1966 		struct {
1967 			struct megasas_evtarg_ld ld;
1968 			__le32 prevOwner;
1969 			__le32 newOwner;
1970 		} __attribute__ ((packed)) ld_owner;
1971 
1972 		struct {
1973 			u64 ld_lba;
1974 			u64 pd_lba;
1975 			struct megasas_evtarg_ld ld;
1976 			struct megasas_evtarg_pd pd;
1977 		} __attribute__ ((packed)) ld_lba_pd_lba;
1978 
1979 		struct {
1980 			struct megasas_evtarg_ld ld;
1981 			struct megasas_progress prog;
1982 		} __attribute__ ((packed)) ld_prog;
1983 
1984 		struct {
1985 			struct megasas_evtarg_ld ld;
1986 			u32 prev_state;
1987 			u32 new_state;
1988 		} __attribute__ ((packed)) ld_state;
1989 
1990 		struct {
1991 			u64 strip;
1992 			struct megasas_evtarg_ld ld;
1993 		} __attribute__ ((packed)) ld_strip;
1994 
1995 		struct megasas_evtarg_pd pd;
1996 
1997 		struct {
1998 			struct megasas_evtarg_pd pd;
1999 			u32 err;
2000 		} __attribute__ ((packed)) pd_err;
2001 
2002 		struct {
2003 			u64 lba;
2004 			struct megasas_evtarg_pd pd;
2005 		} __attribute__ ((packed)) pd_lba;
2006 
2007 		struct {
2008 			u64 lba;
2009 			struct megasas_evtarg_pd pd;
2010 			struct megasas_evtarg_ld ld;
2011 		} __attribute__ ((packed)) pd_lba_ld;
2012 
2013 		struct {
2014 			struct megasas_evtarg_pd pd;
2015 			struct megasas_progress prog;
2016 		} __attribute__ ((packed)) pd_prog;
2017 
2018 		struct {
2019 			struct megasas_evtarg_pd pd;
2020 			u32 prevState;
2021 			u32 newState;
2022 		} __attribute__ ((packed)) pd_state;
2023 
2024 		struct {
2025 			u16 vendorId;
2026 			__le16 deviceId;
2027 			u16 subVendorId;
2028 			u16 subDeviceId;
2029 		} __attribute__ ((packed)) pci;
2030 
2031 		u32 rate;
2032 		char str[96];
2033 
2034 		struct {
2035 			u32 rtc;
2036 			u32 elapsedSeconds;
2037 		} __attribute__ ((packed)) time;
2038 
2039 		struct {
2040 			u32 ecar;
2041 			u32 elog;
2042 			char str[64];
2043 		} __attribute__ ((packed)) ecc;
2044 
2045 		u8 b[96];
2046 		__le16 s[48];
2047 		__le32 w[24];
2048 		__le64 d[12];
2049 	} args;
2050 
2051 	char description[128];
2052 
2053 } __attribute__ ((packed));
2054 
2055 struct megasas_aen_event {
2056 	struct delayed_work hotplug_work;
2057 	struct megasas_instance *instance;
2058 };
2059 
2060 struct megasas_irq_context {
2061 	struct megasas_instance *instance;
2062 	u32 MSIxIndex;
2063 };
2064 
2065 struct MR_DRV_SYSTEM_INFO {
2066 	u8	infoVersion;
2067 	u8	systemIdLength;
2068 	u16	reserved0;
2069 	u8	systemId[64];
2070 	u8	reserved[1980];
2071 };
2072 
2073 enum MR_PD_TYPE {
2074 	UNKNOWN_DRIVE = 0,
2075 	PARALLEL_SCSI = 1,
2076 	SAS_PD = 2,
2077 	SATA_PD = 3,
2078 	FC_PD = 4,
2079 	NVME_PD = 5,
2080 };
2081 
2082 /* JBOD Queue depth definitions */
2083 #define MEGASAS_SATA_QD	32
2084 #define MEGASAS_SAS_QD	64
2085 #define MEGASAS_DEFAULT_PD_QD	64
2086 #define MEGASAS_NVME_QD		32
2087 
2088 #define MR_DEFAULT_NVME_PAGE_SIZE	4096
2089 #define MR_DEFAULT_NVME_PAGE_SHIFT	12
2090 #define MR_DEFAULT_NVME_MDTS_KB		128
2091 #define MR_NVME_PAGE_SIZE_MASK		0x000000FF
2092 
2093 struct megasas_instance {
2094 
2095 	__le32 *producer;
2096 	dma_addr_t producer_h;
2097 	__le32 *consumer;
2098 	dma_addr_t consumer_h;
2099 	struct MR_DRV_SYSTEM_INFO *system_info_buf;
2100 	dma_addr_t system_info_h;
2101 	struct MR_LD_VF_AFFILIATION *vf_affiliation;
2102 	dma_addr_t vf_affiliation_h;
2103 	struct MR_LD_VF_AFFILIATION_111 *vf_affiliation_111;
2104 	dma_addr_t vf_affiliation_111_h;
2105 	struct MR_CTRL_HB_HOST_MEM *hb_host_mem;
2106 	dma_addr_t hb_host_mem_h;
2107 	struct MR_PD_INFO *pd_info;
2108 	dma_addr_t pd_info_h;
2109 	struct MR_TARGET_PROPERTIES *tgt_prop;
2110 	dma_addr_t tgt_prop_h;
2111 
2112 	__le32 *reply_queue;
2113 	dma_addr_t reply_queue_h;
2114 
2115 	u32 *crash_dump_buf;
2116 	dma_addr_t crash_dump_h;
2117 	void *crash_buf[MAX_CRASH_DUMP_SIZE];
2118 	unsigned int    fw_crash_buffer_size;
2119 	unsigned int    fw_crash_state;
2120 	unsigned int    fw_crash_buffer_offset;
2121 	u32 drv_buf_index;
2122 	u32 drv_buf_alloc;
2123 	u32 crash_dump_fw_support;
2124 	u32 crash_dump_drv_support;
2125 	u32 crash_dump_app_support;
2126 	u32 secure_jbod_support;
2127 	u32 support_morethan256jbod; /* FW support for more than 256 PD/JBOD */
2128 	bool use_seqnum_jbod_fp;   /* Added for PD sequence */
2129 	spinlock_t crashdump_lock;
2130 
2131 	struct megasas_register_set __iomem *reg_set;
2132 	u32 __iomem *reply_post_host_index_addr[MR_MAX_MSIX_REG_ARRAY];
2133 	struct megasas_pd_list          pd_list[MEGASAS_MAX_PD];
2134 	struct megasas_pd_list          local_pd_list[MEGASAS_MAX_PD];
2135 	u8 ld_ids[MEGASAS_MAX_LD_IDS];
2136 	s8 init_id;
2137 
2138 	u16 max_num_sge;
2139 	u16 max_fw_cmds;
2140 	u16 max_mpt_cmds;
2141 	u16 max_mfi_cmds;
2142 	u16 max_scsi_cmds;
2143 	u16 ldio_threshold;
2144 	u16 cur_can_queue;
2145 	u32 max_sectors_per_req;
2146 	struct megasas_aen_event *ev;
2147 
2148 	struct megasas_cmd **cmd_list;
2149 	struct list_head cmd_pool;
2150 	/* used to sync fire the cmd to fw */
2151 	spinlock_t mfi_pool_lock;
2152 	/* used to sync fire the cmd to fw */
2153 	spinlock_t hba_lock;
2154 	/* used to synch producer, consumer ptrs in dpc */
2155 	spinlock_t stream_lock;
2156 	spinlock_t completion_lock;
2157 	struct dma_pool *frame_dma_pool;
2158 	struct dma_pool *sense_dma_pool;
2159 
2160 	struct megasas_evt_detail *evt_detail;
2161 	dma_addr_t evt_detail_h;
2162 	struct megasas_cmd *aen_cmd;
2163 	struct mutex hba_mutex;
2164 	struct semaphore ioctl_sem;
2165 
2166 	struct Scsi_Host *host;
2167 
2168 	wait_queue_head_t int_cmd_wait_q;
2169 	wait_queue_head_t abort_cmd_wait_q;
2170 
2171 	struct pci_dev *pdev;
2172 	u32 unique_id;
2173 	u32 fw_support_ieee;
2174 
2175 	atomic_t fw_outstanding;
2176 	atomic_t ldio_outstanding;
2177 	atomic_t fw_reset_no_pci_access;
2178 	atomic_t ieee_sgl;
2179 	atomic_t prp_sgl;
2180 	atomic_t sge_holes_type1;
2181 	atomic_t sge_holes_type2;
2182 	atomic_t sge_holes_type3;
2183 
2184 	struct megasas_instance_template *instancet;
2185 	struct tasklet_struct isr_tasklet;
2186 	struct work_struct work_init;
2187 	struct work_struct crash_init;
2188 
2189 	u8 flag;
2190 	u8 unload;
2191 	u8 flag_ieee;
2192 	u8 issuepend_done;
2193 	u8 disableOnlineCtrlReset;
2194 	u8 UnevenSpanSupport;
2195 
2196 	u8 supportmax256vd;
2197 	u8 pd_list_not_supported;
2198 	u16 fw_supported_vd_count;
2199 	u16 fw_supported_pd_count;
2200 
2201 	u16 drv_supported_vd_count;
2202 	u16 drv_supported_pd_count;
2203 
2204 	atomic_t adprecovery;
2205 	unsigned long last_time;
2206 	u32 mfiStatus;
2207 	u32 last_seq_num;
2208 
2209 	struct list_head internal_reset_pending_q;
2210 
2211 	/* Ptr to hba specific information */
2212 	void *ctrl_context;
2213 	u32 ctrl_context_pages;
2214 	struct megasas_ctrl_info *ctrl_info;
2215 	unsigned int msix_vectors;
2216 	struct megasas_irq_context irq_context[MEGASAS_MAX_MSIX_QUEUES];
2217 	u64 map_id;
2218 	u64 pd_seq_map_id;
2219 	struct megasas_cmd *map_update_cmd;
2220 	struct megasas_cmd *jbod_seq_cmd;
2221 	unsigned long bar;
2222 	long reset_flags;
2223 	struct mutex reset_mutex;
2224 	struct timer_list sriov_heartbeat_timer;
2225 	char skip_heartbeat_timer_del;
2226 	u8 requestorId;
2227 	char PlasmaFW111;
2228 	char clusterId[MEGASAS_CLUSTER_ID_SIZE];
2229 	u8 peerIsPresent;
2230 	u8 passive;
2231 	u16 throttlequeuedepth;
2232 	u8 mask_interrupts;
2233 	u16 max_chain_frame_sz;
2234 	u8 is_imr;
2235 	u8 is_rdpq;
2236 	bool dev_handle;
2237 	bool fw_sync_cache_support;
2238 	u32 mfi_frame_size;
2239 	bool is_ventura;
2240 	bool msix_combined;
2241 	u16 max_raid_mapsize;
2242 	/* preffered count to send as LDIO irrspective of FP capable.*/
2243 	u8  r1_ldio_hint_default;
2244 	u32 nvme_page_size;
2245 };
2246 struct MR_LD_VF_MAP {
2247 	u32 size;
2248 	union MR_LD_REF ref;
2249 	u8 ldVfCount;
2250 	u8 reserved[6];
2251 	u8 policy[1];
2252 };
2253 
2254 struct MR_LD_VF_AFFILIATION {
2255 	u32 size;
2256 	u8 ldCount;
2257 	u8 vfCount;
2258 	u8 thisVf;
2259 	u8 reserved[9];
2260 	struct MR_LD_VF_MAP map[1];
2261 };
2262 
2263 /* Plasma 1.11 FW backward compatibility structures */
2264 #define IOV_111_OFFSET 0x7CE
2265 #define MAX_VIRTUAL_FUNCTIONS 8
2266 #define MR_LD_ACCESS_HIDDEN 15
2267 
2268 struct IOV_111 {
2269 	u8 maxVFsSupported;
2270 	u8 numVFsEnabled;
2271 	u8 requestorId;
2272 	u8 reserved[5];
2273 };
2274 
2275 struct MR_LD_VF_MAP_111 {
2276 	u8 targetId;
2277 	u8 reserved[3];
2278 	u8 policy[MAX_VIRTUAL_FUNCTIONS];
2279 };
2280 
2281 struct MR_LD_VF_AFFILIATION_111 {
2282 	u8 vdCount;
2283 	u8 vfCount;
2284 	u8 thisVf;
2285 	u8 reserved[5];
2286 	struct MR_LD_VF_MAP_111 map[MAX_LOGICAL_DRIVES];
2287 };
2288 
2289 struct MR_CTRL_HB_HOST_MEM {
2290 	struct {
2291 		u32 fwCounter;	/* Firmware heart beat counter */
2292 		struct {
2293 			u32 debugmode:1; /* 1=Firmware is in debug mode.
2294 					    Heart beat will not be updated. */
2295 			u32 reserved:31;
2296 		} debug;
2297 		u32 reserved_fw[6];
2298 		u32 driverCounter; /* Driver heart beat counter.  0x20 */
2299 		u32 reserved_driver[7];
2300 	} HB;
2301 	u8 pad[0x400-0x40];
2302 };
2303 
2304 enum {
2305 	MEGASAS_HBA_OPERATIONAL			= 0,
2306 	MEGASAS_ADPRESET_SM_INFAULT		= 1,
2307 	MEGASAS_ADPRESET_SM_FW_RESET_SUCCESS	= 2,
2308 	MEGASAS_ADPRESET_SM_OPERATIONAL		= 3,
2309 	MEGASAS_HW_CRITICAL_ERROR		= 4,
2310 	MEGASAS_ADPRESET_SM_POLLING		= 5,
2311 	MEGASAS_ADPRESET_INPROG_SIGN		= 0xDEADDEAD,
2312 };
2313 
2314 struct megasas_instance_template {
2315 	void (*fire_cmd)(struct megasas_instance *, dma_addr_t, \
2316 		u32, struct megasas_register_set __iomem *);
2317 
2318 	void (*enable_intr)(struct megasas_instance *);
2319 	void (*disable_intr)(struct megasas_instance *);
2320 
2321 	int (*clear_intr)(struct megasas_register_set __iomem *);
2322 
2323 	u32 (*read_fw_status_reg)(struct megasas_register_set __iomem *);
2324 	int (*adp_reset)(struct megasas_instance *, \
2325 		struct megasas_register_set __iomem *);
2326 	int (*check_reset)(struct megasas_instance *, \
2327 		struct megasas_register_set __iomem *);
2328 	irqreturn_t (*service_isr)(int irq, void *devp);
2329 	void (*tasklet)(unsigned long);
2330 	u32 (*init_adapter)(struct megasas_instance *);
2331 	u32 (*build_and_issue_cmd) (struct megasas_instance *,
2332 				    struct scsi_cmnd *);
2333 	void (*issue_dcmd)(struct megasas_instance *instance,
2334 			    struct megasas_cmd *cmd);
2335 };
2336 
2337 #define MEGASAS_IS_LOGICAL(sdev)					\
2338 	((sdev->channel < MEGASAS_MAX_PD_CHANNELS) ? 0 : 1)
2339 
2340 #define MEGASAS_DEV_INDEX(scp)						\
2341 	(((scp->device->channel % 2) * MEGASAS_MAX_DEV_PER_CHANNEL) +	\
2342 	scp->device->id)
2343 
2344 #define MEGASAS_PD_INDEX(scp)						\
2345 	((scp->device->channel * MEGASAS_MAX_DEV_PER_CHANNEL) +		\
2346 	scp->device->id)
2347 
2348 struct megasas_cmd {
2349 
2350 	union megasas_frame *frame;
2351 	dma_addr_t frame_phys_addr;
2352 	u8 *sense;
2353 	dma_addr_t sense_phys_addr;
2354 
2355 	u32 index;
2356 	u8 sync_cmd;
2357 	u8 cmd_status_drv;
2358 	u8 abort_aen;
2359 	u8 retry_for_fw_reset;
2360 
2361 
2362 	struct list_head list;
2363 	struct scsi_cmnd *scmd;
2364 	u8 flags;
2365 
2366 	struct megasas_instance *instance;
2367 	union {
2368 		struct {
2369 			u16 smid;
2370 			u16 resvd;
2371 		} context;
2372 		u32 frame_count;
2373 	};
2374 };
2375 
2376 #define MAX_MGMT_ADAPTERS		1024
2377 #define MAX_IOCTL_SGE			16
2378 
2379 struct megasas_iocpacket {
2380 
2381 	u16 host_no;
2382 	u16 __pad1;
2383 	u32 sgl_off;
2384 	u32 sge_count;
2385 	u32 sense_off;
2386 	u32 sense_len;
2387 	union {
2388 		u8 raw[128];
2389 		struct megasas_header hdr;
2390 	} frame;
2391 
2392 	struct iovec sgl[MAX_IOCTL_SGE];
2393 
2394 } __attribute__ ((packed));
2395 
2396 struct megasas_aen {
2397 	u16 host_no;
2398 	u16 __pad1;
2399 	u32 seq_num;
2400 	u32 class_locale_word;
2401 } __attribute__ ((packed));
2402 
2403 #ifdef CONFIG_COMPAT
2404 struct compat_megasas_iocpacket {
2405 	u16 host_no;
2406 	u16 __pad1;
2407 	u32 sgl_off;
2408 	u32 sge_count;
2409 	u32 sense_off;
2410 	u32 sense_len;
2411 	union {
2412 		u8 raw[128];
2413 		struct megasas_header hdr;
2414 	} frame;
2415 	struct compat_iovec sgl[MAX_IOCTL_SGE];
2416 } __attribute__ ((packed));
2417 
2418 #define MEGASAS_IOC_FIRMWARE32	_IOWR('M', 1, struct compat_megasas_iocpacket)
2419 #endif
2420 
2421 #define MEGASAS_IOC_FIRMWARE	_IOWR('M', 1, struct megasas_iocpacket)
2422 #define MEGASAS_IOC_GET_AEN	_IOW('M', 3, struct megasas_aen)
2423 
2424 struct megasas_mgmt_info {
2425 
2426 	u16 count;
2427 	struct megasas_instance *instance[MAX_MGMT_ADAPTERS];
2428 	int max_index;
2429 };
2430 
2431 enum MEGASAS_OCR_CAUSE {
2432 	FW_FAULT_OCR			= 0,
2433 	SCSIIO_TIMEOUT_OCR		= 1,
2434 	MFI_IO_TIMEOUT_OCR		= 2,
2435 };
2436 
2437 enum DCMD_RETURN_STATUS {
2438 	DCMD_SUCCESS		= 0,
2439 	DCMD_TIMEOUT		= 1,
2440 	DCMD_FAILED		= 2,
2441 	DCMD_NOT_FIRED		= 3,
2442 };
2443 
2444 u8
2445 MR_BuildRaidContext(struct megasas_instance *instance,
2446 		    struct IO_REQUEST_INFO *io_info,
2447 		    struct RAID_CONTEXT *pRAID_Context,
2448 		    struct MR_DRV_RAID_MAP_ALL *map, u8 **raidLUN);
2449 u16 MR_TargetIdToLdGet(u32 ldTgtId, struct MR_DRV_RAID_MAP_ALL *map);
2450 struct MR_LD_RAID *MR_LdRaidGet(u32 ld, struct MR_DRV_RAID_MAP_ALL *map);
2451 u16 MR_ArPdGet(u32 ar, u32 arm, struct MR_DRV_RAID_MAP_ALL *map);
2452 u16 MR_LdSpanArrayGet(u32 ld, u32 span, struct MR_DRV_RAID_MAP_ALL *map);
2453 __le16 MR_PdDevHandleGet(u32 pd, struct MR_DRV_RAID_MAP_ALL *map);
2454 u16 MR_GetLDTgtId(u32 ld, struct MR_DRV_RAID_MAP_ALL *map);
2455 
2456 __le16 get_updated_dev_handle(struct megasas_instance *instance,
2457 			      struct LD_LOAD_BALANCE_INFO *lbInfo,
2458 			      struct IO_REQUEST_INFO *in_info,
2459 			      struct MR_DRV_RAID_MAP_ALL *drv_map);
2460 void mr_update_load_balance_params(struct MR_DRV_RAID_MAP_ALL *map,
2461 	struct LD_LOAD_BALANCE_INFO *lbInfo);
2462 int megasas_get_ctrl_info(struct megasas_instance *instance);
2463 /* PD sequence */
2464 int
2465 megasas_sync_pd_seq_num(struct megasas_instance *instance, bool pend);
2466 void megasas_set_dynamic_target_properties(struct scsi_device *sdev);
2467 int megasas_set_crash_dump_params(struct megasas_instance *instance,
2468 	u8 crash_buf_state);
2469 void megasas_free_host_crash_buffer(struct megasas_instance *instance);
2470 void megasas_fusion_crash_dump_wq(struct work_struct *work);
2471 
2472 void megasas_return_cmd_fusion(struct megasas_instance *instance,
2473 	struct megasas_cmd_fusion *cmd);
2474 int megasas_issue_blocked_cmd(struct megasas_instance *instance,
2475 	struct megasas_cmd *cmd, int timeout);
2476 void __megasas_return_cmd(struct megasas_instance *instance,
2477 	struct megasas_cmd *cmd);
2478 
2479 void megasas_return_mfi_mpt_pthr(struct megasas_instance *instance,
2480 	struct megasas_cmd *cmd_mfi, struct megasas_cmd_fusion *cmd_fusion);
2481 int megasas_cmd_type(struct scsi_cmnd *cmd);
2482 void megasas_setup_jbod_map(struct megasas_instance *instance);
2483 
2484 void megasas_update_sdev_properties(struct scsi_device *sdev);
2485 int megasas_reset_fusion(struct Scsi_Host *shost, int reason);
2486 int megasas_task_abort_fusion(struct scsi_cmnd *scmd);
2487 int megasas_reset_target_fusion(struct scsi_cmnd *scmd);
2488 u32 mega_mod64(u64 dividend, u32 divisor);
2489 int megasas_alloc_fusion_context(struct megasas_instance *instance);
2490 void megasas_free_fusion_context(struct megasas_instance *instance);
2491 #endif				/*LSI_MEGARAID_SAS_H */
2492