xref: /linux/drivers/scsi/megaraid/megaraid_sas.h (revision 02680c23d7b3febe45ea3d4f9818c2b2dc89020a)
1 /* SPDX-License-Identifier: GPL-2.0-or-later */
2 /*
3  *  Linux MegaRAID driver for SAS based RAID controllers
4  *
5  *  Copyright (c) 2003-2013  LSI Corporation
6  *  Copyright (c) 2013-2016  Avago Technologies
7  *  Copyright (c) 2016-2018  Broadcom Inc.
8  *
9  *  FILE: megaraid_sas.h
10  *
11  *  Authors: Broadcom Inc.
12  *           Kashyap Desai <kashyap.desai@broadcom.com>
13  *           Sumit Saxena <sumit.saxena@broadcom.com>
14  *
15  *  Send feedback to: megaraidlinux.pdl@broadcom.com
16  */
17 
18 #ifndef LSI_MEGARAID_SAS_H
19 #define LSI_MEGARAID_SAS_H
20 
21 /*
22  * MegaRAID SAS Driver meta data
23  */
24 #define MEGASAS_VERSION				"07.714.04.00-rc1"
25 #define MEGASAS_RELDATE				"Apr 14, 2020"
26 
27 #define MEGASAS_MSIX_NAME_LEN			32
28 
29 /*
30  * Device IDs
31  */
32 #define	PCI_DEVICE_ID_LSI_SAS1078R		0x0060
33 #define	PCI_DEVICE_ID_LSI_SAS1078DE		0x007C
34 #define	PCI_DEVICE_ID_LSI_VERDE_ZCR		0x0413
35 #define	PCI_DEVICE_ID_LSI_SAS1078GEN2		0x0078
36 #define	PCI_DEVICE_ID_LSI_SAS0079GEN2		0x0079
37 #define	PCI_DEVICE_ID_LSI_SAS0073SKINNY		0x0073
38 #define	PCI_DEVICE_ID_LSI_SAS0071SKINNY		0x0071
39 #define	PCI_DEVICE_ID_LSI_FUSION		0x005b
40 #define PCI_DEVICE_ID_LSI_PLASMA		0x002f
41 #define PCI_DEVICE_ID_LSI_INVADER		0x005d
42 #define PCI_DEVICE_ID_LSI_FURY			0x005f
43 #define PCI_DEVICE_ID_LSI_INTRUDER		0x00ce
44 #define PCI_DEVICE_ID_LSI_INTRUDER_24		0x00cf
45 #define PCI_DEVICE_ID_LSI_CUTLASS_52		0x0052
46 #define PCI_DEVICE_ID_LSI_CUTLASS_53		0x0053
47 #define PCI_DEVICE_ID_LSI_VENTURA		    0x0014
48 #define PCI_DEVICE_ID_LSI_CRUSADER		    0x0015
49 #define PCI_DEVICE_ID_LSI_HARPOON		    0x0016
50 #define PCI_DEVICE_ID_LSI_TOMCAT		    0x0017
51 #define PCI_DEVICE_ID_LSI_VENTURA_4PORT		0x001B
52 #define PCI_DEVICE_ID_LSI_CRUSADER_4PORT	0x001C
53 #define PCI_DEVICE_ID_LSI_AERO_10E1		0x10e1
54 #define PCI_DEVICE_ID_LSI_AERO_10E2		0x10e2
55 #define PCI_DEVICE_ID_LSI_AERO_10E5		0x10e5
56 #define PCI_DEVICE_ID_LSI_AERO_10E6		0x10e6
57 #define PCI_DEVICE_ID_LSI_AERO_10E0		0x10e0
58 #define PCI_DEVICE_ID_LSI_AERO_10E3		0x10e3
59 #define PCI_DEVICE_ID_LSI_AERO_10E4		0x10e4
60 #define PCI_DEVICE_ID_LSI_AERO_10E7		0x10e7
61 
62 /*
63  * Intel HBA SSDIDs
64  */
65 #define MEGARAID_INTEL_RS3DC080_SSDID		0x9360
66 #define MEGARAID_INTEL_RS3DC040_SSDID		0x9362
67 #define MEGARAID_INTEL_RS3SC008_SSDID		0x9380
68 #define MEGARAID_INTEL_RS3MC044_SSDID		0x9381
69 #define MEGARAID_INTEL_RS3WC080_SSDID		0x9341
70 #define MEGARAID_INTEL_RS3WC040_SSDID		0x9343
71 #define MEGARAID_INTEL_RMS3BC160_SSDID		0x352B
72 
73 /*
74  * Intruder HBA SSDIDs
75  */
76 #define MEGARAID_INTRUDER_SSDID1		0x9371
77 #define MEGARAID_INTRUDER_SSDID2		0x9390
78 #define MEGARAID_INTRUDER_SSDID3		0x9370
79 
80 /*
81  * Intel HBA branding
82  */
83 #define MEGARAID_INTEL_RS3DC080_BRANDING	\
84 	"Intel(R) RAID Controller RS3DC080"
85 #define MEGARAID_INTEL_RS3DC040_BRANDING	\
86 	"Intel(R) RAID Controller RS3DC040"
87 #define MEGARAID_INTEL_RS3SC008_BRANDING	\
88 	"Intel(R) RAID Controller RS3SC008"
89 #define MEGARAID_INTEL_RS3MC044_BRANDING	\
90 	"Intel(R) RAID Controller RS3MC044"
91 #define MEGARAID_INTEL_RS3WC080_BRANDING	\
92 	"Intel(R) RAID Controller RS3WC080"
93 #define MEGARAID_INTEL_RS3WC040_BRANDING	\
94 	"Intel(R) RAID Controller RS3WC040"
95 #define MEGARAID_INTEL_RMS3BC160_BRANDING	\
96 	"Intel(R) Integrated RAID Module RMS3BC160"
97 
98 /*
99  * =====================================
100  * MegaRAID SAS MFI firmware definitions
101  * =====================================
102  */
103 
104 /*
105  * MFI stands for  MegaRAID SAS FW Interface. This is just a moniker for
106  * protocol between the software and firmware. Commands are issued using
107  * "message frames"
108  */
109 
110 /*
111  * FW posts its state in upper 4 bits of outbound_msg_0 register
112  */
113 #define MFI_STATE_MASK				0xF0000000
114 #define MFI_STATE_UNDEFINED			0x00000000
115 #define MFI_STATE_BB_INIT			0x10000000
116 #define MFI_STATE_FW_INIT			0x40000000
117 #define MFI_STATE_WAIT_HANDSHAKE		0x60000000
118 #define MFI_STATE_FW_INIT_2			0x70000000
119 #define MFI_STATE_DEVICE_SCAN			0x80000000
120 #define MFI_STATE_BOOT_MESSAGE_PENDING		0x90000000
121 #define MFI_STATE_FLUSH_CACHE			0xA0000000
122 #define MFI_STATE_READY				0xB0000000
123 #define MFI_STATE_OPERATIONAL			0xC0000000
124 #define MFI_STATE_FAULT				0xF0000000
125 #define MFI_STATE_FORCE_OCR			0x00000080
126 #define MFI_STATE_DMADONE			0x00000008
127 #define MFI_STATE_CRASH_DUMP_DONE		0x00000004
128 #define MFI_RESET_REQUIRED			0x00000001
129 #define MFI_RESET_ADAPTER			0x00000002
130 #define MEGAMFI_FRAME_SIZE			64
131 
132 #define MFI_STATE_FAULT_CODE			0x0FFF0000
133 #define MFI_STATE_FAULT_SUBCODE			0x0000FF00
134 /*
135  * During FW init, clear pending cmds & reset state using inbound_msg_0
136  *
137  * ABORT	: Abort all pending cmds
138  * READY	: Move from OPERATIONAL to READY state; discard queue info
139  * MFIMODE	: Discard (possible) low MFA posted in 64-bit mode (??)
140  * CLR_HANDSHAKE: FW is waiting for HANDSHAKE from BIOS or Driver
141  * HOTPLUG	: Resume from Hotplug
142  * MFI_STOP_ADP	: Send signal to FW to stop processing
143  * MFI_ADP_TRIGGER_SNAP_DUMP: Inform firmware to initiate snap dump
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 MFI_ADP_TRIGGER_SNAP_DUMP		0x00000100
161 #define MPI2_IOCINIT_MSGFLAG_RDPQ_ARRAY_MODE    (0x01)
162 
163 /*
164  * MFI frame flags
165  */
166 #define MFI_FRAME_POST_IN_REPLY_QUEUE		0x0000
167 #define MFI_FRAME_DONT_POST_IN_REPLY_QUEUE	0x0001
168 #define MFI_FRAME_SGL32				0x0000
169 #define MFI_FRAME_SGL64				0x0002
170 #define MFI_FRAME_SENSE32			0x0000
171 #define MFI_FRAME_SENSE64			0x0004
172 #define MFI_FRAME_DIR_NONE			0x0000
173 #define MFI_FRAME_DIR_WRITE			0x0008
174 #define MFI_FRAME_DIR_READ			0x0010
175 #define MFI_FRAME_DIR_BOTH			0x0018
176 #define MFI_FRAME_IEEE                          0x0020
177 
178 /* Driver internal */
179 #define DRV_DCMD_POLLED_MODE		0x1
180 #define DRV_DCMD_SKIP_REFIRE		0x2
181 
182 /*
183  * Definition for cmd_status
184  */
185 #define MFI_CMD_STATUS_POLL_MODE		0xFF
186 
187 /*
188  * MFI command opcodes
189  */
190 enum MFI_CMD_OP {
191 	MFI_CMD_INIT		= 0x0,
192 	MFI_CMD_LD_READ		= 0x1,
193 	MFI_CMD_LD_WRITE	= 0x2,
194 	MFI_CMD_LD_SCSI_IO	= 0x3,
195 	MFI_CMD_PD_SCSI_IO	= 0x4,
196 	MFI_CMD_DCMD		= 0x5,
197 	MFI_CMD_ABORT		= 0x6,
198 	MFI_CMD_SMP		= 0x7,
199 	MFI_CMD_STP		= 0x8,
200 	MFI_CMD_NVME		= 0x9,
201 	MFI_CMD_TOOLBOX		= 0xa,
202 	MFI_CMD_OP_COUNT,
203 	MFI_CMD_INVALID		= 0xff
204 };
205 
206 #define MR_DCMD_CTRL_GET_INFO			0x01010000
207 #define MR_DCMD_LD_GET_LIST			0x03010000
208 #define MR_DCMD_LD_LIST_QUERY			0x03010100
209 
210 #define MR_DCMD_CTRL_CACHE_FLUSH		0x01101000
211 #define MR_FLUSH_CTRL_CACHE			0x01
212 #define MR_FLUSH_DISK_CACHE			0x02
213 
214 #define MR_DCMD_CTRL_SHUTDOWN			0x01050000
215 #define MR_DCMD_HIBERNATE_SHUTDOWN		0x01060000
216 #define MR_ENABLE_DRIVE_SPINDOWN		0x01
217 
218 #define MR_DCMD_CTRL_EVENT_GET_INFO		0x01040100
219 #define MR_DCMD_CTRL_EVENT_GET			0x01040300
220 #define MR_DCMD_CTRL_EVENT_WAIT			0x01040500
221 #define MR_DCMD_LD_GET_PROPERTIES		0x03030000
222 
223 #define MR_DCMD_CLUSTER				0x08000000
224 #define MR_DCMD_CLUSTER_RESET_ALL		0x08010100
225 #define MR_DCMD_CLUSTER_RESET_LD		0x08010200
226 #define MR_DCMD_PD_LIST_QUERY                   0x02010100
227 
228 #define MR_DCMD_CTRL_SET_CRASH_DUMP_PARAMS	0x01190100
229 #define MR_DRIVER_SET_APP_CRASHDUMP_MODE	(0xF0010000 | 0x0600)
230 #define MR_DCMD_PD_GET_INFO			0x02020000
231 
232 /*
233  * Global functions
234  */
235 extern u8 MR_ValidateMapInfo(struct megasas_instance *instance, u64 map_id);
236 
237 
238 /*
239  * MFI command completion codes
240  */
241 enum MFI_STAT {
242 	MFI_STAT_OK = 0x00,
243 	MFI_STAT_INVALID_CMD = 0x01,
244 	MFI_STAT_INVALID_DCMD = 0x02,
245 	MFI_STAT_INVALID_PARAMETER = 0x03,
246 	MFI_STAT_INVALID_SEQUENCE_NUMBER = 0x04,
247 	MFI_STAT_ABORT_NOT_POSSIBLE = 0x05,
248 	MFI_STAT_APP_HOST_CODE_NOT_FOUND = 0x06,
249 	MFI_STAT_APP_IN_USE = 0x07,
250 	MFI_STAT_APP_NOT_INITIALIZED = 0x08,
251 	MFI_STAT_ARRAY_INDEX_INVALID = 0x09,
252 	MFI_STAT_ARRAY_ROW_NOT_EMPTY = 0x0a,
253 	MFI_STAT_CONFIG_RESOURCE_CONFLICT = 0x0b,
254 	MFI_STAT_DEVICE_NOT_FOUND = 0x0c,
255 	MFI_STAT_DRIVE_TOO_SMALL = 0x0d,
256 	MFI_STAT_FLASH_ALLOC_FAIL = 0x0e,
257 	MFI_STAT_FLASH_BUSY = 0x0f,
258 	MFI_STAT_FLASH_ERROR = 0x10,
259 	MFI_STAT_FLASH_IMAGE_BAD = 0x11,
260 	MFI_STAT_FLASH_IMAGE_INCOMPLETE = 0x12,
261 	MFI_STAT_FLASH_NOT_OPEN = 0x13,
262 	MFI_STAT_FLASH_NOT_STARTED = 0x14,
263 	MFI_STAT_FLUSH_FAILED = 0x15,
264 	MFI_STAT_HOST_CODE_NOT_FOUNT = 0x16,
265 	MFI_STAT_LD_CC_IN_PROGRESS = 0x17,
266 	MFI_STAT_LD_INIT_IN_PROGRESS = 0x18,
267 	MFI_STAT_LD_LBA_OUT_OF_RANGE = 0x19,
268 	MFI_STAT_LD_MAX_CONFIGURED = 0x1a,
269 	MFI_STAT_LD_NOT_OPTIMAL = 0x1b,
270 	MFI_STAT_LD_RBLD_IN_PROGRESS = 0x1c,
271 	MFI_STAT_LD_RECON_IN_PROGRESS = 0x1d,
272 	MFI_STAT_LD_WRONG_RAID_LEVEL = 0x1e,
273 	MFI_STAT_MAX_SPARES_EXCEEDED = 0x1f,
274 	MFI_STAT_MEMORY_NOT_AVAILABLE = 0x20,
275 	MFI_STAT_MFC_HW_ERROR = 0x21,
276 	MFI_STAT_NO_HW_PRESENT = 0x22,
277 	MFI_STAT_NOT_FOUND = 0x23,
278 	MFI_STAT_NOT_IN_ENCL = 0x24,
279 	MFI_STAT_PD_CLEAR_IN_PROGRESS = 0x25,
280 	MFI_STAT_PD_TYPE_WRONG = 0x26,
281 	MFI_STAT_PR_DISABLED = 0x27,
282 	MFI_STAT_ROW_INDEX_INVALID = 0x28,
283 	MFI_STAT_SAS_CONFIG_INVALID_ACTION = 0x29,
284 	MFI_STAT_SAS_CONFIG_INVALID_DATA = 0x2a,
285 	MFI_STAT_SAS_CONFIG_INVALID_PAGE = 0x2b,
286 	MFI_STAT_SAS_CONFIG_INVALID_TYPE = 0x2c,
287 	MFI_STAT_SCSI_DONE_WITH_ERROR = 0x2d,
288 	MFI_STAT_SCSI_IO_FAILED = 0x2e,
289 	MFI_STAT_SCSI_RESERVATION_CONFLICT = 0x2f,
290 	MFI_STAT_SHUTDOWN_FAILED = 0x30,
291 	MFI_STAT_TIME_NOT_SET = 0x31,
292 	MFI_STAT_WRONG_STATE = 0x32,
293 	MFI_STAT_LD_OFFLINE = 0x33,
294 	MFI_STAT_PEER_NOTIFICATION_REJECTED = 0x34,
295 	MFI_STAT_PEER_NOTIFICATION_FAILED = 0x35,
296 	MFI_STAT_RESERVATION_IN_PROGRESS = 0x36,
297 	MFI_STAT_I2C_ERRORS_DETECTED = 0x37,
298 	MFI_STAT_PCI_ERRORS_DETECTED = 0x38,
299 	MFI_STAT_CONFIG_SEQ_MISMATCH = 0x67,
300 
301 	MFI_STAT_INVALID_STATUS = 0xFF
302 };
303 
304 enum mfi_evt_class {
305 	MFI_EVT_CLASS_DEBUG =		-2,
306 	MFI_EVT_CLASS_PROGRESS =	-1,
307 	MFI_EVT_CLASS_INFO =		0,
308 	MFI_EVT_CLASS_WARNING =		1,
309 	MFI_EVT_CLASS_CRITICAL =	2,
310 	MFI_EVT_CLASS_FATAL =		3,
311 	MFI_EVT_CLASS_DEAD =		4
312 };
313 
314 /*
315  * Crash dump related defines
316  */
317 #define MAX_CRASH_DUMP_SIZE 512
318 #define CRASH_DMA_BUF_SIZE  (1024 * 1024)
319 
320 enum MR_FW_CRASH_DUMP_STATE {
321 	UNAVAILABLE = 0,
322 	AVAILABLE = 1,
323 	COPYING = 2,
324 	COPIED = 3,
325 	COPY_ERROR = 4,
326 };
327 
328 enum _MR_CRASH_BUF_STATUS {
329 	MR_CRASH_BUF_TURN_OFF = 0,
330 	MR_CRASH_BUF_TURN_ON = 1,
331 };
332 
333 /*
334  * Number of mailbox bytes in DCMD message frame
335  */
336 #define MFI_MBOX_SIZE				12
337 
338 enum MR_EVT_CLASS {
339 
340 	MR_EVT_CLASS_DEBUG = -2,
341 	MR_EVT_CLASS_PROGRESS = -1,
342 	MR_EVT_CLASS_INFO = 0,
343 	MR_EVT_CLASS_WARNING = 1,
344 	MR_EVT_CLASS_CRITICAL = 2,
345 	MR_EVT_CLASS_FATAL = 3,
346 	MR_EVT_CLASS_DEAD = 4,
347 
348 };
349 
350 enum MR_EVT_LOCALE {
351 
352 	MR_EVT_LOCALE_LD = 0x0001,
353 	MR_EVT_LOCALE_PD = 0x0002,
354 	MR_EVT_LOCALE_ENCL = 0x0004,
355 	MR_EVT_LOCALE_BBU = 0x0008,
356 	MR_EVT_LOCALE_SAS = 0x0010,
357 	MR_EVT_LOCALE_CTRL = 0x0020,
358 	MR_EVT_LOCALE_CONFIG = 0x0040,
359 	MR_EVT_LOCALE_CLUSTER = 0x0080,
360 	MR_EVT_LOCALE_ALL = 0xffff,
361 
362 };
363 
364 enum MR_EVT_ARGS {
365 
366 	MR_EVT_ARGS_NONE,
367 	MR_EVT_ARGS_CDB_SENSE,
368 	MR_EVT_ARGS_LD,
369 	MR_EVT_ARGS_LD_COUNT,
370 	MR_EVT_ARGS_LD_LBA,
371 	MR_EVT_ARGS_LD_OWNER,
372 	MR_EVT_ARGS_LD_LBA_PD_LBA,
373 	MR_EVT_ARGS_LD_PROG,
374 	MR_EVT_ARGS_LD_STATE,
375 	MR_EVT_ARGS_LD_STRIP,
376 	MR_EVT_ARGS_PD,
377 	MR_EVT_ARGS_PD_ERR,
378 	MR_EVT_ARGS_PD_LBA,
379 	MR_EVT_ARGS_PD_LBA_LD,
380 	MR_EVT_ARGS_PD_PROG,
381 	MR_EVT_ARGS_PD_STATE,
382 	MR_EVT_ARGS_PCI,
383 	MR_EVT_ARGS_RATE,
384 	MR_EVT_ARGS_STR,
385 	MR_EVT_ARGS_TIME,
386 	MR_EVT_ARGS_ECC,
387 	MR_EVT_ARGS_LD_PROP,
388 	MR_EVT_ARGS_PD_SPARE,
389 	MR_EVT_ARGS_PD_INDEX,
390 	MR_EVT_ARGS_DIAG_PASS,
391 	MR_EVT_ARGS_DIAG_FAIL,
392 	MR_EVT_ARGS_PD_LBA_LBA,
393 	MR_EVT_ARGS_PORT_PHY,
394 	MR_EVT_ARGS_PD_MISSING,
395 	MR_EVT_ARGS_PD_ADDRESS,
396 	MR_EVT_ARGS_BITMAP,
397 	MR_EVT_ARGS_CONNECTOR,
398 	MR_EVT_ARGS_PD_PD,
399 	MR_EVT_ARGS_PD_FRU,
400 	MR_EVT_ARGS_PD_PATHINFO,
401 	MR_EVT_ARGS_PD_POWER_STATE,
402 	MR_EVT_ARGS_GENERIC,
403 };
404 
405 
406 #define SGE_BUFFER_SIZE	4096
407 #define MEGASAS_CLUSTER_ID_SIZE	16
408 /*
409  * define constants for device list query options
410  */
411 enum MR_PD_QUERY_TYPE {
412 	MR_PD_QUERY_TYPE_ALL                = 0,
413 	MR_PD_QUERY_TYPE_STATE              = 1,
414 	MR_PD_QUERY_TYPE_POWER_STATE        = 2,
415 	MR_PD_QUERY_TYPE_MEDIA_TYPE         = 3,
416 	MR_PD_QUERY_TYPE_SPEED              = 4,
417 	MR_PD_QUERY_TYPE_EXPOSED_TO_HOST    = 5,
418 };
419 
420 enum MR_LD_QUERY_TYPE {
421 	MR_LD_QUERY_TYPE_ALL	         = 0,
422 	MR_LD_QUERY_TYPE_EXPOSED_TO_HOST = 1,
423 	MR_LD_QUERY_TYPE_USED_TGT_IDS    = 2,
424 	MR_LD_QUERY_TYPE_CLUSTER_ACCESS  = 3,
425 	MR_LD_QUERY_TYPE_CLUSTER_LOCALE  = 4,
426 };
427 
428 
429 #define MR_EVT_CFG_CLEARED                              0x0004
430 #define MR_EVT_LD_STATE_CHANGE                          0x0051
431 #define MR_EVT_PD_INSERTED                              0x005b
432 #define MR_EVT_PD_REMOVED                               0x0070
433 #define MR_EVT_LD_CREATED                               0x008a
434 #define MR_EVT_LD_DELETED                               0x008b
435 #define MR_EVT_FOREIGN_CFG_IMPORTED                     0x00db
436 #define MR_EVT_LD_OFFLINE                               0x00fc
437 #define MR_EVT_CTRL_HOST_BUS_SCAN_REQUESTED             0x0152
438 #define MR_EVT_CTRL_PROP_CHANGED			0x012f
439 
440 enum MR_PD_STATE {
441 	MR_PD_STATE_UNCONFIGURED_GOOD   = 0x00,
442 	MR_PD_STATE_UNCONFIGURED_BAD    = 0x01,
443 	MR_PD_STATE_HOT_SPARE           = 0x02,
444 	MR_PD_STATE_OFFLINE             = 0x10,
445 	MR_PD_STATE_FAILED              = 0x11,
446 	MR_PD_STATE_REBUILD             = 0x14,
447 	MR_PD_STATE_ONLINE              = 0x18,
448 	MR_PD_STATE_COPYBACK            = 0x20,
449 	MR_PD_STATE_SYSTEM              = 0x40,
450  };
451 
452 union MR_PD_REF {
453 	struct {
454 		u16	 deviceId;
455 		u16	 seqNum;
456 	} mrPdRef;
457 	u32	 ref;
458 };
459 
460 /*
461  * define the DDF Type bit structure
462  */
463 union MR_PD_DDF_TYPE {
464 	 struct {
465 		union {
466 			struct {
467 #ifndef __BIG_ENDIAN_BITFIELD
468 				 u16	 forcedPDGUID:1;
469 				 u16	 inVD:1;
470 				 u16	 isGlobalSpare:1;
471 				 u16	 isSpare:1;
472 				 u16	 isForeign:1;
473 				 u16	 reserved:7;
474 				 u16	 intf:4;
475 #else
476 				 u16	 intf:4;
477 				 u16	 reserved:7;
478 				 u16	 isForeign:1;
479 				 u16	 isSpare:1;
480 				 u16	 isGlobalSpare:1;
481 				 u16	 inVD:1;
482 				 u16	 forcedPDGUID:1;
483 #endif
484 			 } pdType;
485 			 u16	 type;
486 		 };
487 		 u16	 reserved;
488 	 } ddf;
489 	 struct {
490 		 u32	reserved;
491 	 } nonDisk;
492 	 u32	 type;
493 } __packed;
494 
495 /*
496  * defines the progress structure
497  */
498 union MR_PROGRESS {
499 	struct  {
500 		u16 progress;
501 		union {
502 			u16 elapsedSecs;
503 			u16 elapsedSecsForLastPercent;
504 		};
505 	} mrProgress;
506 	u32 w;
507 } __packed;
508 
509 /*
510  * defines the physical drive progress structure
511  */
512 struct MR_PD_PROGRESS {
513 	struct {
514 #ifndef __BIG_ENDIAN_BITFIELD
515 		u32     rbld:1;
516 		u32     patrol:1;
517 		u32     clear:1;
518 		u32     copyBack:1;
519 		u32     erase:1;
520 		u32     locate:1;
521 		u32     reserved:26;
522 #else
523 		u32     reserved:26;
524 		u32     locate:1;
525 		u32     erase:1;
526 		u32     copyBack:1;
527 		u32     clear:1;
528 		u32     patrol:1;
529 		u32     rbld:1;
530 #endif
531 	} active;
532 	union MR_PROGRESS     rbld;
533 	union MR_PROGRESS     patrol;
534 	union {
535 		union MR_PROGRESS     clear;
536 		union MR_PROGRESS     erase;
537 	};
538 
539 	struct {
540 #ifndef __BIG_ENDIAN_BITFIELD
541 		u32     rbld:1;
542 		u32     patrol:1;
543 		u32     clear:1;
544 		u32     copyBack:1;
545 		u32     erase:1;
546 		u32     reserved:27;
547 #else
548 		u32     reserved:27;
549 		u32     erase:1;
550 		u32     copyBack:1;
551 		u32     clear:1;
552 		u32     patrol:1;
553 		u32     rbld:1;
554 #endif
555 	} pause;
556 
557 	union MR_PROGRESS     reserved[3];
558 } __packed;
559 
560 struct  MR_PD_INFO {
561 	union MR_PD_REF	ref;
562 	u8 inquiryData[96];
563 	u8 vpdPage83[64];
564 	u8 notSupported;
565 	u8 scsiDevType;
566 
567 	union {
568 		u8 connectedPortBitmap;
569 		u8 connectedPortNumbers;
570 	};
571 
572 	u8 deviceSpeed;
573 	u32 mediaErrCount;
574 	u32 otherErrCount;
575 	u32 predFailCount;
576 	u32 lastPredFailEventSeqNum;
577 
578 	u16 fwState;
579 	u8 disabledForRemoval;
580 	u8 linkSpeed;
581 	union MR_PD_DDF_TYPE state;
582 
583 	struct {
584 		u8 count;
585 #ifndef __BIG_ENDIAN_BITFIELD
586 		u8 isPathBroken:4;
587 		u8 reserved3:3;
588 		u8 widePortCapable:1;
589 #else
590 		u8 widePortCapable:1;
591 		u8 reserved3:3;
592 		u8 isPathBroken:4;
593 #endif
594 
595 		u8 connectorIndex[2];
596 		u8 reserved[4];
597 		u64 sasAddr[2];
598 		u8 reserved2[16];
599 	} pathInfo;
600 
601 	u64 rawSize;
602 	u64 nonCoercedSize;
603 	u64 coercedSize;
604 	u16 enclDeviceId;
605 	u8 enclIndex;
606 
607 	union {
608 		u8 slotNumber;
609 		u8 enclConnectorIndex;
610 	};
611 
612 	struct MR_PD_PROGRESS progInfo;
613 	u8 badBlockTableFull;
614 	u8 unusableInCurrentConfig;
615 	u8 vpdPage83Ext[64];
616 	u8 powerState;
617 	u8 enclPosition;
618 	u32 allowedOps;
619 	u16 copyBackPartnerId;
620 	u16 enclPartnerDeviceId;
621 	struct {
622 #ifndef __BIG_ENDIAN_BITFIELD
623 		u16 fdeCapable:1;
624 		u16 fdeEnabled:1;
625 		u16 secured:1;
626 		u16 locked:1;
627 		u16 foreign:1;
628 		u16 needsEKM:1;
629 		u16 reserved:10;
630 #else
631 		u16 reserved:10;
632 		u16 needsEKM:1;
633 		u16 foreign:1;
634 		u16 locked:1;
635 		u16 secured:1;
636 		u16 fdeEnabled:1;
637 		u16 fdeCapable:1;
638 #endif
639 	} security;
640 	u8 mediaType;
641 	u8 notCertified;
642 	u8 bridgeVendor[8];
643 	u8 bridgeProductIdentification[16];
644 	u8 bridgeProductRevisionLevel[4];
645 	u8 satBridgeExists;
646 
647 	u8 interfaceType;
648 	u8 temperature;
649 	u8 emulatedBlockSize;
650 	u16 userDataBlockSize;
651 	u16 reserved2;
652 
653 	struct {
654 #ifndef __BIG_ENDIAN_BITFIELD
655 		u32 piType:3;
656 		u32 piFormatted:1;
657 		u32 piEligible:1;
658 		u32 NCQ:1;
659 		u32 WCE:1;
660 		u32 commissionedSpare:1;
661 		u32 emergencySpare:1;
662 		u32 ineligibleForSSCD:1;
663 		u32 ineligibleForLd:1;
664 		u32 useSSEraseType:1;
665 		u32 wceUnchanged:1;
666 		u32 supportScsiUnmap:1;
667 		u32 reserved:18;
668 #else
669 		u32 reserved:18;
670 		u32 supportScsiUnmap:1;
671 		u32 wceUnchanged:1;
672 		u32 useSSEraseType:1;
673 		u32 ineligibleForLd:1;
674 		u32 ineligibleForSSCD:1;
675 		u32 emergencySpare:1;
676 		u32 commissionedSpare:1;
677 		u32 WCE:1;
678 		u32 NCQ:1;
679 		u32 piEligible:1;
680 		u32 piFormatted:1;
681 		u32 piType:3;
682 #endif
683 	} properties;
684 
685 	u64 shieldDiagCompletionTime;
686 	u8 shieldCounter;
687 
688 	u8 linkSpeedOther;
689 	u8 reserved4[2];
690 
691 	struct {
692 #ifndef __BIG_ENDIAN_BITFIELD
693 		u32 bbmErrCountSupported:1;
694 		u32 bbmErrCount:31;
695 #else
696 		u32 bbmErrCount:31;
697 		u32 bbmErrCountSupported:1;
698 #endif
699 	} bbmErr;
700 
701 	u8 reserved1[512-428];
702 } __packed;
703 
704 /*
705  * Definition of structure used to expose attributes of VD or JBOD
706  * (this structure is to be filled by firmware when MR_DCMD_DRV_GET_TARGET_PROP
707  * is fired by driver)
708  */
709 struct MR_TARGET_PROPERTIES {
710 	u32    max_io_size_kb;
711 	u32    device_qdepth;
712 	u32    sector_size;
713 	u8     reset_tmo;
714 	u8     reserved[499];
715 } __packed;
716 
717  /*
718  * defines the physical drive address structure
719  */
720 struct MR_PD_ADDRESS {
721 	__le16	deviceId;
722 	u16     enclDeviceId;
723 
724 	union {
725 		struct {
726 			u8  enclIndex;
727 			u8  slotNumber;
728 		} mrPdAddress;
729 		struct {
730 			u8  enclPosition;
731 			u8  enclConnectorIndex;
732 		} mrEnclAddress;
733 	};
734 	u8      scsiDevType;
735 	union {
736 		u8      connectedPortBitmap;
737 		u8      connectedPortNumbers;
738 	};
739 	u64     sasAddr[2];
740 } __packed;
741 
742 /*
743  * defines the physical drive list structure
744  */
745 struct MR_PD_LIST {
746 	__le32		size;
747 	__le32		count;
748 	struct MR_PD_ADDRESS   addr[1];
749 } __packed;
750 
751 struct megasas_pd_list {
752 	u16             tid;
753 	u8             driveType;
754 	u8             driveState;
755 } __packed;
756 
757  /*
758  * defines the logical drive reference structure
759  */
760 union  MR_LD_REF {
761 	struct {
762 		u8      targetId;
763 		u8      reserved;
764 		__le16     seqNum;
765 	};
766 	__le32     ref;
767 } __packed;
768 
769 /*
770  * defines the logical drive list structure
771  */
772 struct MR_LD_LIST {
773 	__le32     ldCount;
774 	__le32     reserved;
775 	struct {
776 		union MR_LD_REF   ref;
777 		u8          state;
778 		u8          reserved[3];
779 		__le64		size;
780 	} ldList[MAX_LOGICAL_DRIVES_EXT];
781 } __packed;
782 
783 struct MR_LD_TARGETID_LIST {
784 	__le32	size;
785 	__le32	count;
786 	u8	pad[3];
787 	u8	targetId[MAX_LOGICAL_DRIVES_EXT];
788 };
789 
790 struct MR_HOST_DEVICE_LIST_ENTRY {
791 	struct {
792 		union {
793 			struct {
794 #if defined(__BIG_ENDIAN_BITFIELD)
795 				u8 reserved:7;
796 				u8 is_sys_pd:1;
797 #else
798 				u8 is_sys_pd:1;
799 				u8 reserved:7;
800 #endif
801 			} bits;
802 			u8 byte;
803 		} u;
804 	} flags;
805 	u8 scsi_type;
806 	__le16 target_id;
807 	u8 reserved[4];
808 	__le64 sas_addr[2];
809 } __packed;
810 
811 struct MR_HOST_DEVICE_LIST {
812 	__le32			size;
813 	__le32			count;
814 	__le32			reserved[2];
815 	struct MR_HOST_DEVICE_LIST_ENTRY	host_device_list[1];
816 } __packed;
817 
818 #define HOST_DEVICE_LIST_SZ (sizeof(struct MR_HOST_DEVICE_LIST) +	       \
819 			      (sizeof(struct MR_HOST_DEVICE_LIST_ENTRY) *      \
820 			      (MEGASAS_MAX_PD + MAX_LOGICAL_DRIVES_EXT - 1)))
821 
822 
823 /*
824  * SAS controller properties
825  */
826 struct megasas_ctrl_prop {
827 
828 	u16 seq_num;
829 	u16 pred_fail_poll_interval;
830 	u16 intr_throttle_count;
831 	u16 intr_throttle_timeouts;
832 	u8 rebuild_rate;
833 	u8 patrol_read_rate;
834 	u8 bgi_rate;
835 	u8 cc_rate;
836 	u8 recon_rate;
837 	u8 cache_flush_interval;
838 	u8 spinup_drv_count;
839 	u8 spinup_delay;
840 	u8 cluster_enable;
841 	u8 coercion_mode;
842 	u8 alarm_enable;
843 	u8 disable_auto_rebuild;
844 	u8 disable_battery_warn;
845 	u8 ecc_bucket_size;
846 	u16 ecc_bucket_leak_rate;
847 	u8 restore_hotspare_on_insertion;
848 	u8 expose_encl_devices;
849 	u8 maintainPdFailHistory;
850 	u8 disallowHostRequestReordering;
851 	u8 abortCCOnError;
852 	u8 loadBalanceMode;
853 	u8 disableAutoDetectBackplane;
854 
855 	u8 snapVDSpace;
856 
857 	/*
858 	* Add properties that can be controlled by
859 	* a bit in the following structure.
860 	*/
861 	struct {
862 #if   defined(__BIG_ENDIAN_BITFIELD)
863 		u32     reserved:18;
864 		u32     enableJBOD:1;
865 		u32     disableSpinDownHS:1;
866 		u32     allowBootWithPinnedCache:1;
867 		u32     disableOnlineCtrlReset:1;
868 		u32     enableSecretKeyControl:1;
869 		u32     autoEnhancedImport:1;
870 		u32     enableSpinDownUnconfigured:1;
871 		u32     SSDPatrolReadEnabled:1;
872 		u32     SSDSMARTerEnabled:1;
873 		u32     disableNCQ:1;
874 		u32     useFdeOnly:1;
875 		u32     prCorrectUnconfiguredAreas:1;
876 		u32     SMARTerEnabled:1;
877 		u32     copyBackDisabled:1;
878 #else
879 		u32     copyBackDisabled:1;
880 		u32     SMARTerEnabled:1;
881 		u32     prCorrectUnconfiguredAreas:1;
882 		u32     useFdeOnly:1;
883 		u32     disableNCQ:1;
884 		u32     SSDSMARTerEnabled:1;
885 		u32     SSDPatrolReadEnabled:1;
886 		u32     enableSpinDownUnconfigured:1;
887 		u32     autoEnhancedImport:1;
888 		u32     enableSecretKeyControl:1;
889 		u32     disableOnlineCtrlReset:1;
890 		u32     allowBootWithPinnedCache:1;
891 		u32     disableSpinDownHS:1;
892 		u32     enableJBOD:1;
893 		u32     reserved:18;
894 #endif
895 	} OnOffProperties;
896 
897 	union {
898 		u8 autoSnapVDSpace;
899 		u8 viewSpace;
900 		struct {
901 #if   defined(__BIG_ENDIAN_BITFIELD)
902 			u16 reserved3:9;
903 			u16 enable_fw_dev_list:1;
904 			u16 reserved2:1;
905 			u16 enable_snap_dump:1;
906 			u16 reserved1:4;
907 #else
908 			u16 reserved1:4;
909 			u16 enable_snap_dump:1;
910 			u16 reserved2:1;
911 			u16 enable_fw_dev_list:1;
912 			u16 reserved3:9;
913 #endif
914 		} on_off_properties2;
915 	};
916 	__le16 spinDownTime;
917 	u8  reserved[24];
918 } __packed;
919 
920 /*
921  * SAS controller information
922  */
923 struct megasas_ctrl_info {
924 
925 	/*
926 	 * PCI device information
927 	 */
928 	struct {
929 
930 		__le16 vendor_id;
931 		__le16 device_id;
932 		__le16 sub_vendor_id;
933 		__le16 sub_device_id;
934 		u8 reserved[24];
935 
936 	} __attribute__ ((packed)) pci;
937 
938 	/*
939 	 * Host interface information
940 	 */
941 	struct {
942 
943 		u8 PCIX:1;
944 		u8 PCIE:1;
945 		u8 iSCSI:1;
946 		u8 SAS_3G:1;
947 		u8 SRIOV:1;
948 		u8 reserved_0:3;
949 		u8 reserved_1[6];
950 		u8 port_count;
951 		u64 port_addr[8];
952 
953 	} __attribute__ ((packed)) host_interface;
954 
955 	/*
956 	 * Device (backend) interface information
957 	 */
958 	struct {
959 
960 		u8 SPI:1;
961 		u8 SAS_3G:1;
962 		u8 SATA_1_5G:1;
963 		u8 SATA_3G:1;
964 		u8 reserved_0:4;
965 		u8 reserved_1[6];
966 		u8 port_count;
967 		u64 port_addr[8];
968 
969 	} __attribute__ ((packed)) device_interface;
970 
971 	/*
972 	 * List of components residing in flash. All str are null terminated
973 	 */
974 	__le32 image_check_word;
975 	__le32 image_component_count;
976 
977 	struct {
978 
979 		char name[8];
980 		char version[32];
981 		char build_date[16];
982 		char built_time[16];
983 
984 	} __attribute__ ((packed)) image_component[8];
985 
986 	/*
987 	 * List of flash components that have been flashed on the card, but
988 	 * are not in use, pending reset of the adapter. This list will be
989 	 * empty if a flash operation has not occurred. All stings are null
990 	 * terminated
991 	 */
992 	__le32 pending_image_component_count;
993 
994 	struct {
995 
996 		char name[8];
997 		char version[32];
998 		char build_date[16];
999 		char build_time[16];
1000 
1001 	} __attribute__ ((packed)) pending_image_component[8];
1002 
1003 	u8 max_arms;
1004 	u8 max_spans;
1005 	u8 max_arrays;
1006 	u8 max_lds;
1007 
1008 	char product_name[80];
1009 	char serial_no[32];
1010 
1011 	/*
1012 	 * Other physical/controller/operation information. Indicates the
1013 	 * presence of the hardware
1014 	 */
1015 	struct {
1016 
1017 		u32 bbu:1;
1018 		u32 alarm:1;
1019 		u32 nvram:1;
1020 		u32 uart:1;
1021 		u32 reserved:28;
1022 
1023 	} __attribute__ ((packed)) hw_present;
1024 
1025 	__le32 current_fw_time;
1026 
1027 	/*
1028 	 * Maximum data transfer sizes
1029 	 */
1030 	__le16 max_concurrent_cmds;
1031 	__le16 max_sge_count;
1032 	__le32 max_request_size;
1033 
1034 	/*
1035 	 * Logical and physical device counts
1036 	 */
1037 	__le16 ld_present_count;
1038 	__le16 ld_degraded_count;
1039 	__le16 ld_offline_count;
1040 
1041 	__le16 pd_present_count;
1042 	__le16 pd_disk_present_count;
1043 	__le16 pd_disk_pred_failure_count;
1044 	__le16 pd_disk_failed_count;
1045 
1046 	/*
1047 	 * Memory size information
1048 	 */
1049 	__le16 nvram_size;
1050 	__le16 memory_size;
1051 	__le16 flash_size;
1052 
1053 	/*
1054 	 * Error counters
1055 	 */
1056 	__le16 mem_correctable_error_count;
1057 	__le16 mem_uncorrectable_error_count;
1058 
1059 	/*
1060 	 * Cluster information
1061 	 */
1062 	u8 cluster_permitted;
1063 	u8 cluster_active;
1064 
1065 	/*
1066 	 * Additional max data transfer sizes
1067 	 */
1068 	__le16 max_strips_per_io;
1069 
1070 	/*
1071 	 * Controller capabilities structures
1072 	 */
1073 	struct {
1074 
1075 		u32 raid_level_0:1;
1076 		u32 raid_level_1:1;
1077 		u32 raid_level_5:1;
1078 		u32 raid_level_1E:1;
1079 		u32 raid_level_6:1;
1080 		u32 reserved:27;
1081 
1082 	} __attribute__ ((packed)) raid_levels;
1083 
1084 	struct {
1085 
1086 		u32 rbld_rate:1;
1087 		u32 cc_rate:1;
1088 		u32 bgi_rate:1;
1089 		u32 recon_rate:1;
1090 		u32 patrol_rate:1;
1091 		u32 alarm_control:1;
1092 		u32 cluster_supported:1;
1093 		u32 bbu:1;
1094 		u32 spanning_allowed:1;
1095 		u32 dedicated_hotspares:1;
1096 		u32 revertible_hotspares:1;
1097 		u32 foreign_config_import:1;
1098 		u32 self_diagnostic:1;
1099 		u32 mixed_redundancy_arr:1;
1100 		u32 global_hot_spares:1;
1101 		u32 reserved:17;
1102 
1103 	} __attribute__ ((packed)) adapter_operations;
1104 
1105 	struct {
1106 
1107 		u32 read_policy:1;
1108 		u32 write_policy:1;
1109 		u32 io_policy:1;
1110 		u32 access_policy:1;
1111 		u32 disk_cache_policy:1;
1112 		u32 reserved:27;
1113 
1114 	} __attribute__ ((packed)) ld_operations;
1115 
1116 	struct {
1117 
1118 		u8 min;
1119 		u8 max;
1120 		u8 reserved[2];
1121 
1122 	} __attribute__ ((packed)) stripe_sz_ops;
1123 
1124 	struct {
1125 
1126 		u32 force_online:1;
1127 		u32 force_offline:1;
1128 		u32 force_rebuild:1;
1129 		u32 reserved:29;
1130 
1131 	} __attribute__ ((packed)) pd_operations;
1132 
1133 	struct {
1134 
1135 		u32 ctrl_supports_sas:1;
1136 		u32 ctrl_supports_sata:1;
1137 		u32 allow_mix_in_encl:1;
1138 		u32 allow_mix_in_ld:1;
1139 		u32 allow_sata_in_cluster:1;
1140 		u32 reserved:27;
1141 
1142 	} __attribute__ ((packed)) pd_mix_support;
1143 
1144 	/*
1145 	 * Define ECC single-bit-error bucket information
1146 	 */
1147 	u8 ecc_bucket_count;
1148 	u8 reserved_2[11];
1149 
1150 	/*
1151 	 * Include the controller properties (changeable items)
1152 	 */
1153 	struct megasas_ctrl_prop properties;
1154 
1155 	/*
1156 	 * Define FW pkg version (set in envt v'bles on OEM basis)
1157 	 */
1158 	char package_version[0x60];
1159 
1160 
1161 	/*
1162 	* If adapterOperations.supportMoreThan8Phys is set,
1163 	* and deviceInterface.portCount is greater than 8,
1164 	* SAS Addrs for first 8 ports shall be populated in
1165 	* deviceInterface.portAddr, and the rest shall be
1166 	* populated in deviceInterfacePortAddr2.
1167 	*/
1168 	__le64	    deviceInterfacePortAddr2[8]; /*6a0h */
1169 	u8          reserved3[128];              /*6e0h */
1170 
1171 	struct {                                /*760h */
1172 		u16 minPdRaidLevel_0:4;
1173 		u16 maxPdRaidLevel_0:12;
1174 
1175 		u16 minPdRaidLevel_1:4;
1176 		u16 maxPdRaidLevel_1:12;
1177 
1178 		u16 minPdRaidLevel_5:4;
1179 		u16 maxPdRaidLevel_5:12;
1180 
1181 		u16 minPdRaidLevel_1E:4;
1182 		u16 maxPdRaidLevel_1E:12;
1183 
1184 		u16 minPdRaidLevel_6:4;
1185 		u16 maxPdRaidLevel_6:12;
1186 
1187 		u16 minPdRaidLevel_10:4;
1188 		u16 maxPdRaidLevel_10:12;
1189 
1190 		u16 minPdRaidLevel_50:4;
1191 		u16 maxPdRaidLevel_50:12;
1192 
1193 		u16 minPdRaidLevel_60:4;
1194 		u16 maxPdRaidLevel_60:12;
1195 
1196 		u16 minPdRaidLevel_1E_RLQ0:4;
1197 		u16 maxPdRaidLevel_1E_RLQ0:12;
1198 
1199 		u16 minPdRaidLevel_1E0_RLQ0:4;
1200 		u16 maxPdRaidLevel_1E0_RLQ0:12;
1201 
1202 		u16 reserved[6];
1203 	} pdsForRaidLevels;
1204 
1205 	__le16 maxPds;                          /*780h */
1206 	__le16 maxDedHSPs;                      /*782h */
1207 	__le16 maxGlobalHSP;                    /*784h */
1208 	__le16 ddfSize;                         /*786h */
1209 	u8  maxLdsPerArray;                     /*788h */
1210 	u8  partitionsInDDF;                    /*789h */
1211 	u8  lockKeyBinding;                     /*78ah */
1212 	u8  maxPITsPerLd;                       /*78bh */
1213 	u8  maxViewsPerLd;                      /*78ch */
1214 	u8  maxTargetId;                        /*78dh */
1215 	__le16 maxBvlVdSize;                    /*78eh */
1216 
1217 	__le16 maxConfigurableSSCSize;          /*790h */
1218 	__le16 currentSSCsize;                  /*792h */
1219 
1220 	char    expanderFwVersion[12];          /*794h */
1221 
1222 	__le16 PFKTrialTimeRemaining;           /*7A0h */
1223 
1224 	__le16 cacheMemorySize;                 /*7A2h */
1225 
1226 	struct {                                /*7A4h */
1227 #if   defined(__BIG_ENDIAN_BITFIELD)
1228 		u32     reserved:5;
1229 		u32	activePassive:2;
1230 		u32	supportConfigAutoBalance:1;
1231 		u32	mpio:1;
1232 		u32	supportDataLDonSSCArray:1;
1233 		u32	supportPointInTimeProgress:1;
1234 		u32     supportUnevenSpans:1;
1235 		u32     dedicatedHotSparesLimited:1;
1236 		u32     headlessMode:1;
1237 		u32     supportEmulatedDrives:1;
1238 		u32     supportResetNow:1;
1239 		u32     realTimeScheduler:1;
1240 		u32     supportSSDPatrolRead:1;
1241 		u32     supportPerfTuning:1;
1242 		u32     disableOnlinePFKChange:1;
1243 		u32     supportJBOD:1;
1244 		u32     supportBootTimePFKChange:1;
1245 		u32     supportSetLinkSpeed:1;
1246 		u32     supportEmergencySpares:1;
1247 		u32     supportSuspendResumeBGops:1;
1248 		u32     blockSSDWriteCacheChange:1;
1249 		u32     supportShieldState:1;
1250 		u32     supportLdBBMInfo:1;
1251 		u32     supportLdPIType3:1;
1252 		u32     supportLdPIType2:1;
1253 		u32     supportLdPIType1:1;
1254 		u32     supportPIcontroller:1;
1255 #else
1256 		u32     supportPIcontroller:1;
1257 		u32     supportLdPIType1:1;
1258 		u32     supportLdPIType2:1;
1259 		u32     supportLdPIType3:1;
1260 		u32     supportLdBBMInfo:1;
1261 		u32     supportShieldState:1;
1262 		u32     blockSSDWriteCacheChange:1;
1263 		u32     supportSuspendResumeBGops:1;
1264 		u32     supportEmergencySpares:1;
1265 		u32     supportSetLinkSpeed:1;
1266 		u32     supportBootTimePFKChange:1;
1267 		u32     supportJBOD:1;
1268 		u32     disableOnlinePFKChange:1;
1269 		u32     supportPerfTuning:1;
1270 		u32     supportSSDPatrolRead:1;
1271 		u32     realTimeScheduler:1;
1272 
1273 		u32     supportResetNow:1;
1274 		u32     supportEmulatedDrives:1;
1275 		u32     headlessMode:1;
1276 		u32     dedicatedHotSparesLimited:1;
1277 
1278 
1279 		u32     supportUnevenSpans:1;
1280 		u32	supportPointInTimeProgress:1;
1281 		u32	supportDataLDonSSCArray:1;
1282 		u32	mpio:1;
1283 		u32	supportConfigAutoBalance:1;
1284 		u32	activePassive:2;
1285 		u32     reserved:5;
1286 #endif
1287 	} adapterOperations2;
1288 
1289 	u8  driverVersion[32];                  /*7A8h */
1290 	u8  maxDAPdCountSpinup60;               /*7C8h */
1291 	u8  temperatureROC;                     /*7C9h */
1292 	u8  temperatureCtrl;                    /*7CAh */
1293 	u8  reserved4;                          /*7CBh */
1294 	__le16 maxConfigurablePds;              /*7CCh */
1295 
1296 
1297 	u8  reserved5[2];                       /*0x7CDh */
1298 
1299 	/*
1300 	* HA cluster information
1301 	*/
1302 	struct {
1303 #if defined(__BIG_ENDIAN_BITFIELD)
1304 		u32     reserved:25;
1305 		u32     passive:1;
1306 		u32     premiumFeatureMismatch:1;
1307 		u32     ctrlPropIncompatible:1;
1308 		u32     fwVersionMismatch:1;
1309 		u32     hwIncompatible:1;
1310 		u32     peerIsIncompatible:1;
1311 		u32     peerIsPresent:1;
1312 #else
1313 		u32     peerIsPresent:1;
1314 		u32     peerIsIncompatible:1;
1315 		u32     hwIncompatible:1;
1316 		u32     fwVersionMismatch:1;
1317 		u32     ctrlPropIncompatible:1;
1318 		u32     premiumFeatureMismatch:1;
1319 		u32     passive:1;
1320 		u32     reserved:25;
1321 #endif
1322 	} cluster;
1323 
1324 	char clusterId[MEGASAS_CLUSTER_ID_SIZE]; /*0x7D4 */
1325 	struct {
1326 		u8  maxVFsSupported;            /*0x7E4*/
1327 		u8  numVFsEnabled;              /*0x7E5*/
1328 		u8  requestorId;                /*0x7E6 0:PF, 1:VF1, 2:VF2*/
1329 		u8  reserved;                   /*0x7E7*/
1330 	} iov;
1331 
1332 	struct {
1333 #if defined(__BIG_ENDIAN_BITFIELD)
1334 		u32     reserved:7;
1335 		u32     useSeqNumJbodFP:1;
1336 		u32     supportExtendedSSCSize:1;
1337 		u32     supportDiskCacheSettingForSysPDs:1;
1338 		u32     supportCPLDUpdate:1;
1339 		u32     supportTTYLogCompression:1;
1340 		u32     discardCacheDuringLDDelete:1;
1341 		u32     supportSecurityonJBOD:1;
1342 		u32     supportCacheBypassModes:1;
1343 		u32     supportDisableSESMonitoring:1;
1344 		u32     supportForceFlash:1;
1345 		u32     supportNVDRAM:1;
1346 		u32     supportDrvActivityLEDSetting:1;
1347 		u32     supportAllowedOpsforDrvRemoval:1;
1348 		u32     supportHOQRebuild:1;
1349 		u32     supportForceTo512e:1;
1350 		u32     supportNVCacheErase:1;
1351 		u32     supportDebugQueue:1;
1352 		u32     supportSwZone:1;
1353 		u32     supportCrashDump:1;
1354 		u32     supportMaxExtLDs:1;
1355 		u32     supportT10RebuildAssist:1;
1356 		u32     supportDisableImmediateIO:1;
1357 		u32     supportThermalPollInterval:1;
1358 		u32     supportPersonalityChange:2;
1359 #else
1360 		u32     supportPersonalityChange:2;
1361 		u32     supportThermalPollInterval:1;
1362 		u32     supportDisableImmediateIO:1;
1363 		u32     supportT10RebuildAssist:1;
1364 		u32	supportMaxExtLDs:1;
1365 		u32	supportCrashDump:1;
1366 		u32     supportSwZone:1;
1367 		u32     supportDebugQueue:1;
1368 		u32     supportNVCacheErase:1;
1369 		u32     supportForceTo512e:1;
1370 		u32     supportHOQRebuild:1;
1371 		u32     supportAllowedOpsforDrvRemoval:1;
1372 		u32     supportDrvActivityLEDSetting:1;
1373 		u32     supportNVDRAM:1;
1374 		u32     supportForceFlash:1;
1375 		u32     supportDisableSESMonitoring:1;
1376 		u32     supportCacheBypassModes:1;
1377 		u32     supportSecurityonJBOD:1;
1378 		u32     discardCacheDuringLDDelete:1;
1379 		u32     supportTTYLogCompression:1;
1380 		u32     supportCPLDUpdate:1;
1381 		u32     supportDiskCacheSettingForSysPDs:1;
1382 		u32     supportExtendedSSCSize:1;
1383 		u32     useSeqNumJbodFP:1;
1384 		u32     reserved:7;
1385 #endif
1386 	} adapterOperations3;
1387 
1388 	struct {
1389 #if defined(__BIG_ENDIAN_BITFIELD)
1390 	u8 reserved:7;
1391 	/* Indicates whether the CPLD image is part of
1392 	 *  the package and stored in flash
1393 	 */
1394 	u8 cpld_in_flash:1;
1395 #else
1396 	u8 cpld_in_flash:1;
1397 	u8 reserved:7;
1398 #endif
1399 	u8 reserved1[3];
1400 	/* Null terminated string. Has the version
1401 	 *  information if cpld_in_flash = FALSE
1402 	 */
1403 	u8 userCodeDefinition[12];
1404 	} cpld;  /* Valid only if upgradableCPLD is TRUE */
1405 
1406 	struct {
1407 	#if defined(__BIG_ENDIAN_BITFIELD)
1408 		u16 reserved:2;
1409 		u16 support_nvme_passthru:1;
1410 		u16 support_pl_debug_info:1;
1411 		u16 support_flash_comp_info:1;
1412 		u16 support_host_info:1;
1413 		u16 support_dual_fw_update:1;
1414 		u16 support_ssc_rev3:1;
1415 		u16 fw_swaps_bbu_vpd_info:1;
1416 		u16 support_pd_map_target_id:1;
1417 		u16 support_ses_ctrl_in_multipathcfg:1;
1418 		u16 image_upload_supported:1;
1419 		u16 support_encrypted_mfc:1;
1420 		u16 supported_enc_algo:1;
1421 		u16 support_ibutton_less:1;
1422 		u16 ctrl_info_ext_supported:1;
1423 	#else
1424 
1425 		u16 ctrl_info_ext_supported:1;
1426 		u16 support_ibutton_less:1;
1427 		u16 supported_enc_algo:1;
1428 		u16 support_encrypted_mfc:1;
1429 		u16 image_upload_supported:1;
1430 		/* FW supports LUN based association and target port based */
1431 		u16 support_ses_ctrl_in_multipathcfg:1;
1432 		/* association for the SES device connected in multipath mode */
1433 		/* FW defines Jbod target Id within MR_PD_CFG_SEQ */
1434 		u16 support_pd_map_target_id:1;
1435 		/* FW swaps relevant fields in MR_BBU_VPD_INFO_FIXED to
1436 		 *  provide the data in little endian order
1437 		 */
1438 		u16 fw_swaps_bbu_vpd_info:1;
1439 		u16 support_ssc_rev3:1;
1440 		/* FW supports CacheCade 3.0, only one SSCD creation allowed */
1441 		u16 support_dual_fw_update:1;
1442 		/* FW supports dual firmware update feature */
1443 		u16 support_host_info:1;
1444 		/* FW supports MR_DCMD_CTRL_HOST_INFO_SET/GET */
1445 		u16 support_flash_comp_info:1;
1446 		/* FW supports MR_DCMD_CTRL_FLASH_COMP_INFO_GET */
1447 		u16 support_pl_debug_info:1;
1448 		/* FW supports retrieval of PL debug information through apps */
1449 		u16 support_nvme_passthru:1;
1450 		/* FW supports NVMe passthru commands */
1451 		u16 reserved:2;
1452 	#endif
1453 		} adapter_operations4;
1454 	u8 pad[0x800 - 0x7FE]; /* 0x7FE pad to 2K for expansion */
1455 
1456 	u32 size;
1457 	u32 pad1;
1458 
1459 	u8 reserved6[64];
1460 
1461 	struct {
1462 	#if defined(__BIG_ENDIAN_BITFIELD)
1463 		u32 reserved:19;
1464 		u32 support_pci_lane_margining: 1;
1465 		u32 support_psoc_update:1;
1466 		u32 support_force_personality_change:1;
1467 		u32 support_fde_type_mix:1;
1468 		u32 support_snap_dump:1;
1469 		u32 support_nvme_tm:1;
1470 		u32 support_oce_only:1;
1471 		u32 support_ext_mfg_vpd:1;
1472 		u32 support_pcie:1;
1473 		u32 support_cvhealth_info:1;
1474 		u32 support_profile_change:2;
1475 		u32 mr_config_ext2_supported:1;
1476 	#else
1477 		u32 mr_config_ext2_supported:1;
1478 		u32 support_profile_change:2;
1479 		u32 support_cvhealth_info:1;
1480 		u32 support_pcie:1;
1481 		u32 support_ext_mfg_vpd:1;
1482 		u32 support_oce_only:1;
1483 		u32 support_nvme_tm:1;
1484 		u32 support_snap_dump:1;
1485 		u32 support_fde_type_mix:1;
1486 		u32 support_force_personality_change:1;
1487 		u32 support_psoc_update:1;
1488 		u32 support_pci_lane_margining: 1;
1489 		u32 reserved:19;
1490 	#endif
1491 	} adapter_operations5;
1492 
1493 	u32 rsvdForAdptOp[63];
1494 
1495 	u8 reserved7[3];
1496 
1497 	u8 TaskAbortTO;	/* Timeout value in seconds used by Abort Task TM */
1498 	u8 MaxResetTO;	/* Max Supported Reset timeout in seconds. */
1499 	u8 reserved8[3];
1500 } __packed;
1501 
1502 /*
1503  * ===============================
1504  * MegaRAID SAS driver definitions
1505  * ===============================
1506  */
1507 #define MEGASAS_MAX_PD_CHANNELS			2
1508 #define MEGASAS_MAX_LD_CHANNELS			2
1509 #define MEGASAS_MAX_CHANNELS			(MEGASAS_MAX_PD_CHANNELS + \
1510 						MEGASAS_MAX_LD_CHANNELS)
1511 #define MEGASAS_MAX_DEV_PER_CHANNEL		128
1512 #define MEGASAS_DEFAULT_INIT_ID			-1
1513 #define MEGASAS_MAX_LUN				8
1514 #define MEGASAS_DEFAULT_CMD_PER_LUN		256
1515 #define MEGASAS_MAX_PD                          (MEGASAS_MAX_PD_CHANNELS * \
1516 						MEGASAS_MAX_DEV_PER_CHANNEL)
1517 #define MEGASAS_MAX_LD_IDS			(MEGASAS_MAX_LD_CHANNELS * \
1518 						MEGASAS_MAX_DEV_PER_CHANNEL)
1519 
1520 #define MEGASAS_MAX_SECTORS                    (2*1024)
1521 #define MEGASAS_MAX_SECTORS_IEEE		(2*128)
1522 #define MEGASAS_DBG_LVL				1
1523 
1524 #define MEGASAS_FW_BUSY				1
1525 
1526 /* Driver's internal Logging levels*/
1527 #define OCR_DEBUG    (1 << 0)
1528 #define TM_DEBUG     (1 << 1)
1529 #define LD_PD_DEBUG    (1 << 2)
1530 
1531 #define SCAN_PD_CHANNEL	0x1
1532 #define SCAN_VD_CHANNEL	0x2
1533 
1534 #define MEGASAS_KDUMP_QUEUE_DEPTH               100
1535 #define MR_LARGE_IO_MIN_SIZE			(32 * 1024)
1536 #define MR_R1_LDIO_PIGGYBACK_DEFAULT		4
1537 
1538 enum MR_SCSI_CMD_TYPE {
1539 	READ_WRITE_LDIO = 0,
1540 	NON_READ_WRITE_LDIO = 1,
1541 	READ_WRITE_SYSPDIO = 2,
1542 	NON_READ_WRITE_SYSPDIO = 3,
1543 };
1544 
1545 enum DCMD_TIMEOUT_ACTION {
1546 	INITIATE_OCR = 0,
1547 	KILL_ADAPTER = 1,
1548 	IGNORE_TIMEOUT = 2,
1549 };
1550 
1551 enum FW_BOOT_CONTEXT {
1552 	PROBE_CONTEXT = 0,
1553 	OCR_CONTEXT = 1,
1554 };
1555 
1556 /* Frame Type */
1557 #define IO_FRAME				0
1558 #define PTHRU_FRAME				1
1559 
1560 /*
1561  * When SCSI mid-layer calls driver's reset routine, driver waits for
1562  * MEGASAS_RESET_WAIT_TIME seconds for all outstanding IO to complete. Note
1563  * that the driver cannot _actually_ abort or reset pending commands. While
1564  * it is waiting for the commands to complete, it prints a diagnostic message
1565  * every MEGASAS_RESET_NOTICE_INTERVAL seconds
1566  */
1567 #define MEGASAS_RESET_WAIT_TIME			180
1568 #define MEGASAS_INTERNAL_CMD_WAIT_TIME		180
1569 #define	MEGASAS_RESET_NOTICE_INTERVAL		5
1570 #define MEGASAS_IOCTL_CMD			0
1571 #define MEGASAS_DEFAULT_CMD_TIMEOUT		90
1572 #define MEGASAS_THROTTLE_QUEUE_DEPTH		16
1573 #define MEGASAS_DEFAULT_TM_TIMEOUT		50
1574 /*
1575  * FW reports the maximum of number of commands that it can accept (maximum
1576  * commands that can be outstanding) at any time. The driver must report a
1577  * lower number to the mid layer because it can issue a few internal commands
1578  * itself (E.g, AEN, abort cmd, IOCTLs etc). The number of commands it needs
1579  * is shown below
1580  */
1581 #define MEGASAS_INT_CMDS			32
1582 #define MEGASAS_SKINNY_INT_CMDS			5
1583 #define MEGASAS_FUSION_INTERNAL_CMDS		8
1584 #define MEGASAS_FUSION_IOCTL_CMDS		3
1585 #define MEGASAS_MFI_IOCTL_CMDS			27
1586 
1587 #define MEGASAS_MAX_MSIX_QUEUES			128
1588 /*
1589  * FW can accept both 32 and 64 bit SGLs. We want to allocate 32/64 bit
1590  * SGLs based on the size of dma_addr_t
1591  */
1592 #define IS_DMA64				(sizeof(dma_addr_t) == 8)
1593 
1594 #define MFI_XSCALE_OMR0_CHANGE_INTERRUPT		0x00000001
1595 
1596 #define MFI_INTR_FLAG_REPLY_MESSAGE			0x00000001
1597 #define MFI_INTR_FLAG_FIRMWARE_STATE_CHANGE		0x00000002
1598 #define MFI_G2_OUTBOUND_DOORBELL_CHANGE_INTERRUPT	0x00000004
1599 
1600 #define MFI_OB_INTR_STATUS_MASK			0x00000002
1601 #define MFI_POLL_TIMEOUT_SECS			60
1602 #define MFI_IO_TIMEOUT_SECS			180
1603 #define MEGASAS_SRIOV_HEARTBEAT_INTERVAL_VF	(5 * HZ)
1604 #define MEGASAS_OCR_SETTLE_TIME_VF		(1000 * 30)
1605 #define MEGASAS_SRIOV_MAX_RESET_TRIES_VF	1
1606 #define MEGASAS_ROUTINE_WAIT_TIME_VF		300
1607 #define MFI_REPLY_1078_MESSAGE_INTERRUPT	0x80000000
1608 #define MFI_REPLY_GEN2_MESSAGE_INTERRUPT	0x00000001
1609 #define MFI_GEN2_ENABLE_INTERRUPT_MASK		(0x00000001 | 0x00000004)
1610 #define MFI_REPLY_SKINNY_MESSAGE_INTERRUPT	0x40000000
1611 #define MFI_SKINNY_ENABLE_INTERRUPT_MASK	(0x00000001)
1612 
1613 #define MFI_1068_PCSR_OFFSET			0x84
1614 #define MFI_1068_FW_HANDSHAKE_OFFSET		0x64
1615 #define MFI_1068_FW_READY			0xDDDD0000
1616 
1617 #define MR_MAX_REPLY_QUEUES_OFFSET              0X0000001F
1618 #define MR_MAX_REPLY_QUEUES_EXT_OFFSET          0X003FC000
1619 #define MR_MAX_REPLY_QUEUES_EXT_OFFSET_SHIFT    14
1620 #define MR_MAX_MSIX_REG_ARRAY                   16
1621 #define MR_RDPQ_MODE_OFFSET			0X00800000
1622 
1623 #define MR_MAX_RAID_MAP_SIZE_OFFSET_SHIFT	16
1624 #define MR_MAX_RAID_MAP_SIZE_MASK		0x1FF
1625 #define MR_MIN_MAP_SIZE				0x10000
1626 /* 64k */
1627 
1628 #define MR_CAN_HANDLE_SYNC_CACHE_OFFSET		0X01000000
1629 
1630 #define MR_ATOMIC_DESCRIPTOR_SUPPORT_OFFSET	(1 << 24)
1631 
1632 #define MR_CAN_HANDLE_64_BIT_DMA_OFFSET		(1 << 25)
1633 #define MR_INTR_COALESCING_SUPPORT_OFFSET	(1 << 26)
1634 
1635 #define MEGASAS_WATCHDOG_THREAD_INTERVAL	1000
1636 #define MEGASAS_WAIT_FOR_NEXT_DMA_MSECS		20
1637 #define MEGASAS_WATCHDOG_WAIT_COUNT		50
1638 
1639 enum MR_ADAPTER_TYPE {
1640 	MFI_SERIES = 1,
1641 	THUNDERBOLT_SERIES = 2,
1642 	INVADER_SERIES = 3,
1643 	VENTURA_SERIES = 4,
1644 	AERO_SERIES = 5,
1645 };
1646 
1647 /*
1648 * register set for both 1068 and 1078 controllers
1649 * structure extended for 1078 registers
1650 */
1651 
1652 struct megasas_register_set {
1653 	u32	doorbell;                       /*0000h*/
1654 	u32	fusion_seq_offset;		/*0004h*/
1655 	u32	fusion_host_diag;		/*0008h*/
1656 	u32	reserved_01;			/*000Ch*/
1657 
1658 	u32 	inbound_msg_0;			/*0010h*/
1659 	u32 	inbound_msg_1;			/*0014h*/
1660 	u32 	outbound_msg_0;			/*0018h*/
1661 	u32 	outbound_msg_1;			/*001Ch*/
1662 
1663 	u32 	inbound_doorbell;		/*0020h*/
1664 	u32 	inbound_intr_status;		/*0024h*/
1665 	u32 	inbound_intr_mask;		/*0028h*/
1666 
1667 	u32 	outbound_doorbell;		/*002Ch*/
1668 	u32 	outbound_intr_status;		/*0030h*/
1669 	u32 	outbound_intr_mask;		/*0034h*/
1670 
1671 	u32 	reserved_1[2];			/*0038h*/
1672 
1673 	u32 	inbound_queue_port;		/*0040h*/
1674 	u32 	outbound_queue_port;		/*0044h*/
1675 
1676 	u32	reserved_2[9];			/*0048h*/
1677 	u32	reply_post_host_index;		/*006Ch*/
1678 	u32	reserved_2_2[12];		/*0070h*/
1679 
1680 	u32 	outbound_doorbell_clear;	/*00A0h*/
1681 
1682 	u32 	reserved_3[3];			/*00A4h*/
1683 
1684 	u32	outbound_scratch_pad_0;		/*00B0h*/
1685 	u32	outbound_scratch_pad_1;         /*00B4h*/
1686 	u32	outbound_scratch_pad_2;         /*00B8h*/
1687 	u32	outbound_scratch_pad_3;         /*00BCh*/
1688 
1689 	u32 	inbound_low_queue_port ;	/*00C0h*/
1690 
1691 	u32 	inbound_high_queue_port ;	/*00C4h*/
1692 
1693 	u32 inbound_single_queue_port;	/*00C8h*/
1694 	u32	res_6[11];			/*CCh*/
1695 	u32	host_diag;
1696 	u32	seq_offset;
1697 	u32 	index_registers[807];		/*00CCh*/
1698 } __attribute__ ((packed));
1699 
1700 struct megasas_sge32 {
1701 
1702 	__le32 phys_addr;
1703 	__le32 length;
1704 
1705 } __attribute__ ((packed));
1706 
1707 struct megasas_sge64 {
1708 
1709 	__le64 phys_addr;
1710 	__le32 length;
1711 
1712 } __attribute__ ((packed));
1713 
1714 struct megasas_sge_skinny {
1715 	__le64 phys_addr;
1716 	__le32 length;
1717 	__le32 flag;
1718 } __packed;
1719 
1720 union megasas_sgl {
1721 
1722 	struct megasas_sge32 sge32[1];
1723 	struct megasas_sge64 sge64[1];
1724 	struct megasas_sge_skinny sge_skinny[1];
1725 
1726 } __attribute__ ((packed));
1727 
1728 struct megasas_header {
1729 
1730 	u8 cmd;			/*00h */
1731 	u8 sense_len;		/*01h */
1732 	u8 cmd_status;		/*02h */
1733 	u8 scsi_status;		/*03h */
1734 
1735 	u8 target_id;		/*04h */
1736 	u8 lun;			/*05h */
1737 	u8 cdb_len;		/*06h */
1738 	u8 sge_count;		/*07h */
1739 
1740 	__le32 context;		/*08h */
1741 	__le32 pad_0;		/*0Ch */
1742 
1743 	__le16 flags;		/*10h */
1744 	__le16 timeout;		/*12h */
1745 	__le32 data_xferlen;	/*14h */
1746 
1747 } __attribute__ ((packed));
1748 
1749 union megasas_sgl_frame {
1750 
1751 	struct megasas_sge32 sge32[8];
1752 	struct megasas_sge64 sge64[5];
1753 
1754 } __attribute__ ((packed));
1755 
1756 typedef union _MFI_CAPABILITIES {
1757 	struct {
1758 #if   defined(__BIG_ENDIAN_BITFIELD)
1759 	u32     reserved:16;
1760 	u32	support_fw_exposed_dev_list:1;
1761 	u32	support_nvme_passthru:1;
1762 	u32     support_64bit_mode:1;
1763 	u32 support_pd_map_target_id:1;
1764 	u32     support_qd_throttling:1;
1765 	u32     support_fp_rlbypass:1;
1766 	u32     support_vfid_in_ioframe:1;
1767 	u32     support_ext_io_size:1;
1768 	u32		support_ext_queue_depth:1;
1769 	u32     security_protocol_cmds_fw:1;
1770 	u32     support_core_affinity:1;
1771 	u32     support_ndrive_r1_lb:1;
1772 	u32		support_max_255lds:1;
1773 	u32		support_fastpath_wb:1;
1774 	u32     support_additional_msix:1;
1775 	u32     support_fp_remote_lun:1;
1776 #else
1777 	u32     support_fp_remote_lun:1;
1778 	u32     support_additional_msix:1;
1779 	u32		support_fastpath_wb:1;
1780 	u32		support_max_255lds:1;
1781 	u32     support_ndrive_r1_lb:1;
1782 	u32     support_core_affinity:1;
1783 	u32     security_protocol_cmds_fw:1;
1784 	u32		support_ext_queue_depth:1;
1785 	u32     support_ext_io_size:1;
1786 	u32     support_vfid_in_ioframe:1;
1787 	u32     support_fp_rlbypass:1;
1788 	u32     support_qd_throttling:1;
1789 	u32	support_pd_map_target_id:1;
1790 	u32     support_64bit_mode:1;
1791 	u32	support_nvme_passthru:1;
1792 	u32	support_fw_exposed_dev_list:1;
1793 	u32     reserved:16;
1794 #endif
1795 	} mfi_capabilities;
1796 	__le32		reg;
1797 } MFI_CAPABILITIES;
1798 
1799 struct megasas_init_frame {
1800 
1801 	u8 cmd;			/*00h */
1802 	u8 reserved_0;		/*01h */
1803 	u8 cmd_status;		/*02h */
1804 
1805 	u8 reserved_1;		/*03h */
1806 	MFI_CAPABILITIES driver_operations; /*04h*/
1807 
1808 	__le32 context;		/*08h */
1809 	__le32 pad_0;		/*0Ch */
1810 
1811 	__le16 flags;		/*10h */
1812 	__le16 replyqueue_mask;		/*12h */
1813 	__le32 data_xfer_len;	/*14h */
1814 
1815 	__le32 queue_info_new_phys_addr_lo;	/*18h */
1816 	__le32 queue_info_new_phys_addr_hi;	/*1Ch */
1817 	__le32 queue_info_old_phys_addr_lo;	/*20h */
1818 	__le32 queue_info_old_phys_addr_hi;	/*24h */
1819 	__le32 reserved_4[2];	/*28h */
1820 	__le32 system_info_lo;      /*30h */
1821 	__le32 system_info_hi;      /*34h */
1822 	__le32 reserved_5[2];	/*38h */
1823 
1824 } __attribute__ ((packed));
1825 
1826 struct megasas_init_queue_info {
1827 
1828 	__le32 init_flags;		/*00h */
1829 	__le32 reply_queue_entries;	/*04h */
1830 
1831 	__le32 reply_queue_start_phys_addr_lo;	/*08h */
1832 	__le32 reply_queue_start_phys_addr_hi;	/*0Ch */
1833 	__le32 producer_index_phys_addr_lo;	/*10h */
1834 	__le32 producer_index_phys_addr_hi;	/*14h */
1835 	__le32 consumer_index_phys_addr_lo;	/*18h */
1836 	__le32 consumer_index_phys_addr_hi;	/*1Ch */
1837 
1838 } __attribute__ ((packed));
1839 
1840 struct megasas_io_frame {
1841 
1842 	u8 cmd;			/*00h */
1843 	u8 sense_len;		/*01h */
1844 	u8 cmd_status;		/*02h */
1845 	u8 scsi_status;		/*03h */
1846 
1847 	u8 target_id;		/*04h */
1848 	u8 access_byte;		/*05h */
1849 	u8 reserved_0;		/*06h */
1850 	u8 sge_count;		/*07h */
1851 
1852 	__le32 context;		/*08h */
1853 	__le32 pad_0;		/*0Ch */
1854 
1855 	__le16 flags;		/*10h */
1856 	__le16 timeout;		/*12h */
1857 	__le32 lba_count;	/*14h */
1858 
1859 	__le32 sense_buf_phys_addr_lo;	/*18h */
1860 	__le32 sense_buf_phys_addr_hi;	/*1Ch */
1861 
1862 	__le32 start_lba_lo;	/*20h */
1863 	__le32 start_lba_hi;	/*24h */
1864 
1865 	union megasas_sgl sgl;	/*28h */
1866 
1867 } __attribute__ ((packed));
1868 
1869 struct megasas_pthru_frame {
1870 
1871 	u8 cmd;			/*00h */
1872 	u8 sense_len;		/*01h */
1873 	u8 cmd_status;		/*02h */
1874 	u8 scsi_status;		/*03h */
1875 
1876 	u8 target_id;		/*04h */
1877 	u8 lun;			/*05h */
1878 	u8 cdb_len;		/*06h */
1879 	u8 sge_count;		/*07h */
1880 
1881 	__le32 context;		/*08h */
1882 	__le32 pad_0;		/*0Ch */
1883 
1884 	__le16 flags;		/*10h */
1885 	__le16 timeout;		/*12h */
1886 	__le32 data_xfer_len;	/*14h */
1887 
1888 	__le32 sense_buf_phys_addr_lo;	/*18h */
1889 	__le32 sense_buf_phys_addr_hi;	/*1Ch */
1890 
1891 	u8 cdb[16];		/*20h */
1892 	union megasas_sgl sgl;	/*30h */
1893 
1894 } __attribute__ ((packed));
1895 
1896 struct megasas_dcmd_frame {
1897 
1898 	u8 cmd;			/*00h */
1899 	u8 reserved_0;		/*01h */
1900 	u8 cmd_status;		/*02h */
1901 	u8 reserved_1[4];	/*03h */
1902 	u8 sge_count;		/*07h */
1903 
1904 	__le32 context;		/*08h */
1905 	__le32 pad_0;		/*0Ch */
1906 
1907 	__le16 flags;		/*10h */
1908 	__le16 timeout;		/*12h */
1909 
1910 	__le32 data_xfer_len;	/*14h */
1911 	__le32 opcode;		/*18h */
1912 
1913 	union {			/*1Ch */
1914 		u8 b[12];
1915 		__le16 s[6];
1916 		__le32 w[3];
1917 	} mbox;
1918 
1919 	union megasas_sgl sgl;	/*28h */
1920 
1921 } __attribute__ ((packed));
1922 
1923 struct megasas_abort_frame {
1924 
1925 	u8 cmd;			/*00h */
1926 	u8 reserved_0;		/*01h */
1927 	u8 cmd_status;		/*02h */
1928 
1929 	u8 reserved_1;		/*03h */
1930 	__le32 reserved_2;	/*04h */
1931 
1932 	__le32 context;		/*08h */
1933 	__le32 pad_0;		/*0Ch */
1934 
1935 	__le16 flags;		/*10h */
1936 	__le16 reserved_3;	/*12h */
1937 	__le32 reserved_4;	/*14h */
1938 
1939 	__le32 abort_context;	/*18h */
1940 	__le32 pad_1;		/*1Ch */
1941 
1942 	__le32 abort_mfi_phys_addr_lo;	/*20h */
1943 	__le32 abort_mfi_phys_addr_hi;	/*24h */
1944 
1945 	__le32 reserved_5[6];	/*28h */
1946 
1947 } __attribute__ ((packed));
1948 
1949 struct megasas_smp_frame {
1950 
1951 	u8 cmd;			/*00h */
1952 	u8 reserved_1;		/*01h */
1953 	u8 cmd_status;		/*02h */
1954 	u8 connection_status;	/*03h */
1955 
1956 	u8 reserved_2[3];	/*04h */
1957 	u8 sge_count;		/*07h */
1958 
1959 	__le32 context;		/*08h */
1960 	__le32 pad_0;		/*0Ch */
1961 
1962 	__le16 flags;		/*10h */
1963 	__le16 timeout;		/*12h */
1964 
1965 	__le32 data_xfer_len;	/*14h */
1966 	__le64 sas_addr;	/*18h */
1967 
1968 	union {
1969 		struct megasas_sge32 sge32[2];	/* [0]: resp [1]: req */
1970 		struct megasas_sge64 sge64[2];	/* [0]: resp [1]: req */
1971 	} sgl;
1972 
1973 } __attribute__ ((packed));
1974 
1975 struct megasas_stp_frame {
1976 
1977 	u8 cmd;			/*00h */
1978 	u8 reserved_1;		/*01h */
1979 	u8 cmd_status;		/*02h */
1980 	u8 reserved_2;		/*03h */
1981 
1982 	u8 target_id;		/*04h */
1983 	u8 reserved_3[2];	/*05h */
1984 	u8 sge_count;		/*07h */
1985 
1986 	__le32 context;		/*08h */
1987 	__le32 pad_0;		/*0Ch */
1988 
1989 	__le16 flags;		/*10h */
1990 	__le16 timeout;		/*12h */
1991 
1992 	__le32 data_xfer_len;	/*14h */
1993 
1994 	__le16 fis[10];		/*18h */
1995 	__le32 stp_flags;
1996 
1997 	union {
1998 		struct megasas_sge32 sge32[2];	/* [0]: resp [1]: data */
1999 		struct megasas_sge64 sge64[2];	/* [0]: resp [1]: data */
2000 	} sgl;
2001 
2002 } __attribute__ ((packed));
2003 
2004 union megasas_frame {
2005 
2006 	struct megasas_header hdr;
2007 	struct megasas_init_frame init;
2008 	struct megasas_io_frame io;
2009 	struct megasas_pthru_frame pthru;
2010 	struct megasas_dcmd_frame dcmd;
2011 	struct megasas_abort_frame abort;
2012 	struct megasas_smp_frame smp;
2013 	struct megasas_stp_frame stp;
2014 
2015 	u8 raw_bytes[64];
2016 };
2017 
2018 /**
2019  * struct MR_PRIV_DEVICE - sdev private hostdata
2020  * @is_tm_capable: firmware managed tm_capable flag
2021  * @tm_busy: TM request is in progress
2022  * @sdev_priv_busy: pending command per sdev
2023  */
2024 struct MR_PRIV_DEVICE {
2025 	bool is_tm_capable;
2026 	bool tm_busy;
2027 	atomic_t sdev_priv_busy;
2028 	atomic_t r1_ldio_hint;
2029 	u8 interface_type;
2030 	u8 task_abort_tmo;
2031 	u8 target_reset_tmo;
2032 };
2033 struct megasas_cmd;
2034 
2035 union megasas_evt_class_locale {
2036 
2037 	struct {
2038 #ifndef __BIG_ENDIAN_BITFIELD
2039 		u16 locale;
2040 		u8 reserved;
2041 		s8 class;
2042 #else
2043 		s8 class;
2044 		u8 reserved;
2045 		u16 locale;
2046 #endif
2047 	} __attribute__ ((packed)) members;
2048 
2049 	u32 word;
2050 
2051 } __attribute__ ((packed));
2052 
2053 struct megasas_evt_log_info {
2054 	__le32 newest_seq_num;
2055 	__le32 oldest_seq_num;
2056 	__le32 clear_seq_num;
2057 	__le32 shutdown_seq_num;
2058 	__le32 boot_seq_num;
2059 
2060 } __attribute__ ((packed));
2061 
2062 struct megasas_progress {
2063 
2064 	__le16 progress;
2065 	__le16 elapsed_seconds;
2066 
2067 } __attribute__ ((packed));
2068 
2069 struct megasas_evtarg_ld {
2070 
2071 	u16 target_id;
2072 	u8 ld_index;
2073 	u8 reserved;
2074 
2075 } __attribute__ ((packed));
2076 
2077 struct megasas_evtarg_pd {
2078 	u16 device_id;
2079 	u8 encl_index;
2080 	u8 slot_number;
2081 
2082 } __attribute__ ((packed));
2083 
2084 struct megasas_evt_detail {
2085 
2086 	__le32 seq_num;
2087 	__le32 time_stamp;
2088 	__le32 code;
2089 	union megasas_evt_class_locale cl;
2090 	u8 arg_type;
2091 	u8 reserved1[15];
2092 
2093 	union {
2094 		struct {
2095 			struct megasas_evtarg_pd pd;
2096 			u8 cdb_length;
2097 			u8 sense_length;
2098 			u8 reserved[2];
2099 			u8 cdb[16];
2100 			u8 sense[64];
2101 		} __attribute__ ((packed)) cdbSense;
2102 
2103 		struct megasas_evtarg_ld ld;
2104 
2105 		struct {
2106 			struct megasas_evtarg_ld ld;
2107 			__le64 count;
2108 		} __attribute__ ((packed)) ld_count;
2109 
2110 		struct {
2111 			__le64 lba;
2112 			struct megasas_evtarg_ld ld;
2113 		} __attribute__ ((packed)) ld_lba;
2114 
2115 		struct {
2116 			struct megasas_evtarg_ld ld;
2117 			__le32 prevOwner;
2118 			__le32 newOwner;
2119 		} __attribute__ ((packed)) ld_owner;
2120 
2121 		struct {
2122 			u64 ld_lba;
2123 			u64 pd_lba;
2124 			struct megasas_evtarg_ld ld;
2125 			struct megasas_evtarg_pd pd;
2126 		} __attribute__ ((packed)) ld_lba_pd_lba;
2127 
2128 		struct {
2129 			struct megasas_evtarg_ld ld;
2130 			struct megasas_progress prog;
2131 		} __attribute__ ((packed)) ld_prog;
2132 
2133 		struct {
2134 			struct megasas_evtarg_ld ld;
2135 			u32 prev_state;
2136 			u32 new_state;
2137 		} __attribute__ ((packed)) ld_state;
2138 
2139 		struct {
2140 			u64 strip;
2141 			struct megasas_evtarg_ld ld;
2142 		} __attribute__ ((packed)) ld_strip;
2143 
2144 		struct megasas_evtarg_pd pd;
2145 
2146 		struct {
2147 			struct megasas_evtarg_pd pd;
2148 			u32 err;
2149 		} __attribute__ ((packed)) pd_err;
2150 
2151 		struct {
2152 			u64 lba;
2153 			struct megasas_evtarg_pd pd;
2154 		} __attribute__ ((packed)) pd_lba;
2155 
2156 		struct {
2157 			u64 lba;
2158 			struct megasas_evtarg_pd pd;
2159 			struct megasas_evtarg_ld ld;
2160 		} __attribute__ ((packed)) pd_lba_ld;
2161 
2162 		struct {
2163 			struct megasas_evtarg_pd pd;
2164 			struct megasas_progress prog;
2165 		} __attribute__ ((packed)) pd_prog;
2166 
2167 		struct {
2168 			struct megasas_evtarg_pd pd;
2169 			u32 prevState;
2170 			u32 newState;
2171 		} __attribute__ ((packed)) pd_state;
2172 
2173 		struct {
2174 			u16 vendorId;
2175 			__le16 deviceId;
2176 			u16 subVendorId;
2177 			u16 subDeviceId;
2178 		} __attribute__ ((packed)) pci;
2179 
2180 		u32 rate;
2181 		char str[96];
2182 
2183 		struct {
2184 			u32 rtc;
2185 			u32 elapsedSeconds;
2186 		} __attribute__ ((packed)) time;
2187 
2188 		struct {
2189 			u32 ecar;
2190 			u32 elog;
2191 			char str[64];
2192 		} __attribute__ ((packed)) ecc;
2193 
2194 		u8 b[96];
2195 		__le16 s[48];
2196 		__le32 w[24];
2197 		__le64 d[12];
2198 	} args;
2199 
2200 	char description[128];
2201 
2202 } __attribute__ ((packed));
2203 
2204 struct megasas_aen_event {
2205 	struct delayed_work hotplug_work;
2206 	struct megasas_instance *instance;
2207 };
2208 
2209 struct megasas_irq_context {
2210 	char name[MEGASAS_MSIX_NAME_LEN];
2211 	struct megasas_instance *instance;
2212 	u32 MSIxIndex;
2213 	u32 os_irq;
2214 	struct irq_poll irqpoll;
2215 	bool irq_poll_scheduled;
2216 	bool irq_line_enable;
2217 	atomic_t   in_used;
2218 };
2219 
2220 struct MR_DRV_SYSTEM_INFO {
2221 	u8	infoVersion;
2222 	u8	systemIdLength;
2223 	u16	reserved0;
2224 	u8	systemId[64];
2225 	u8	reserved[1980];
2226 };
2227 
2228 enum MR_PD_TYPE {
2229 	UNKNOWN_DRIVE = 0,
2230 	PARALLEL_SCSI = 1,
2231 	SAS_PD = 2,
2232 	SATA_PD = 3,
2233 	FC_PD = 4,
2234 	NVME_PD = 5,
2235 };
2236 
2237 /* JBOD Queue depth definitions */
2238 #define MEGASAS_SATA_QD	32
2239 #define MEGASAS_SAS_QD 256
2240 #define MEGASAS_DEFAULT_PD_QD	64
2241 #define MEGASAS_NVME_QD        64
2242 
2243 #define MR_DEFAULT_NVME_PAGE_SIZE	4096
2244 #define MR_DEFAULT_NVME_PAGE_SHIFT	12
2245 #define MR_DEFAULT_NVME_MDTS_KB		128
2246 #define MR_NVME_PAGE_SIZE_MASK		0x000000FF
2247 
2248 /*Aero performance parameters*/
2249 #define MR_HIGH_IOPS_QUEUE_COUNT	8
2250 #define MR_DEVICE_HIGH_IOPS_DEPTH	8
2251 #define MR_HIGH_IOPS_BATCH_COUNT	16
2252 
2253 enum MR_PERF_MODE {
2254 	MR_BALANCED_PERF_MODE		= 0,
2255 	MR_IOPS_PERF_MODE		= 1,
2256 	MR_LATENCY_PERF_MODE		= 2,
2257 };
2258 
2259 #define MEGASAS_PERF_MODE_2STR(mode) \
2260 		((mode) == MR_BALANCED_PERF_MODE ? "Balanced" : \
2261 		 (mode) == MR_IOPS_PERF_MODE ? "IOPS" : \
2262 		 (mode) == MR_LATENCY_PERF_MODE ? "Latency" : \
2263 		 "Unknown")
2264 
2265 struct megasas_instance {
2266 
2267 	unsigned int *reply_map;
2268 	__le32 *producer;
2269 	dma_addr_t producer_h;
2270 	__le32 *consumer;
2271 	dma_addr_t consumer_h;
2272 	struct MR_DRV_SYSTEM_INFO *system_info_buf;
2273 	dma_addr_t system_info_h;
2274 	struct MR_LD_VF_AFFILIATION *vf_affiliation;
2275 	dma_addr_t vf_affiliation_h;
2276 	struct MR_LD_VF_AFFILIATION_111 *vf_affiliation_111;
2277 	dma_addr_t vf_affiliation_111_h;
2278 	struct MR_CTRL_HB_HOST_MEM *hb_host_mem;
2279 	dma_addr_t hb_host_mem_h;
2280 	struct MR_PD_INFO *pd_info;
2281 	dma_addr_t pd_info_h;
2282 	struct MR_TARGET_PROPERTIES *tgt_prop;
2283 	dma_addr_t tgt_prop_h;
2284 
2285 	__le32 *reply_queue;
2286 	dma_addr_t reply_queue_h;
2287 
2288 	u32 *crash_dump_buf;
2289 	dma_addr_t crash_dump_h;
2290 
2291 	struct MR_PD_LIST *pd_list_buf;
2292 	dma_addr_t pd_list_buf_h;
2293 
2294 	struct megasas_ctrl_info *ctrl_info_buf;
2295 	dma_addr_t ctrl_info_buf_h;
2296 
2297 	struct MR_LD_LIST *ld_list_buf;
2298 	dma_addr_t ld_list_buf_h;
2299 
2300 	struct MR_LD_TARGETID_LIST *ld_targetid_list_buf;
2301 	dma_addr_t ld_targetid_list_buf_h;
2302 
2303 	struct MR_HOST_DEVICE_LIST *host_device_list_buf;
2304 	dma_addr_t host_device_list_buf_h;
2305 
2306 	struct MR_SNAPDUMP_PROPERTIES *snapdump_prop;
2307 	dma_addr_t snapdump_prop_h;
2308 
2309 	void *crash_buf[MAX_CRASH_DUMP_SIZE];
2310 	unsigned int    fw_crash_buffer_size;
2311 	unsigned int    fw_crash_state;
2312 	unsigned int    fw_crash_buffer_offset;
2313 	u32 drv_buf_index;
2314 	u32 drv_buf_alloc;
2315 	u32 crash_dump_fw_support;
2316 	u32 crash_dump_drv_support;
2317 	u32 crash_dump_app_support;
2318 	u32 secure_jbod_support;
2319 	u32 support_morethan256jbod; /* FW support for more than 256 PD/JBOD */
2320 	bool use_seqnum_jbod_fp;   /* Added for PD sequence */
2321 	bool smp_affinity_enable;
2322 	spinlock_t crashdump_lock;
2323 
2324 	struct megasas_register_set __iomem *reg_set;
2325 	u32 __iomem *reply_post_host_index_addr[MR_MAX_MSIX_REG_ARRAY];
2326 	struct megasas_pd_list          pd_list[MEGASAS_MAX_PD];
2327 	struct megasas_pd_list          local_pd_list[MEGASAS_MAX_PD];
2328 	u8 ld_ids[MEGASAS_MAX_LD_IDS];
2329 	s8 init_id;
2330 
2331 	u16 max_num_sge;
2332 	u16 max_fw_cmds;
2333 	u16 max_mpt_cmds;
2334 	u16 max_mfi_cmds;
2335 	u16 max_scsi_cmds;
2336 	u16 ldio_threshold;
2337 	u16 cur_can_queue;
2338 	u32 max_sectors_per_req;
2339 	bool msix_load_balance;
2340 	struct megasas_aen_event *ev;
2341 
2342 	struct megasas_cmd **cmd_list;
2343 	struct list_head cmd_pool;
2344 	/* used to sync fire the cmd to fw */
2345 	spinlock_t mfi_pool_lock;
2346 	/* used to sync fire the cmd to fw */
2347 	spinlock_t hba_lock;
2348 	/* used to synch producer, consumer ptrs in dpc */
2349 	spinlock_t stream_lock;
2350 	spinlock_t completion_lock;
2351 	struct dma_pool *frame_dma_pool;
2352 	struct dma_pool *sense_dma_pool;
2353 
2354 	struct megasas_evt_detail *evt_detail;
2355 	dma_addr_t evt_detail_h;
2356 	struct megasas_cmd *aen_cmd;
2357 	struct semaphore ioctl_sem;
2358 
2359 	struct Scsi_Host *host;
2360 
2361 	wait_queue_head_t int_cmd_wait_q;
2362 	wait_queue_head_t abort_cmd_wait_q;
2363 
2364 	struct pci_dev *pdev;
2365 	u32 unique_id;
2366 	u32 fw_support_ieee;
2367 	u32 threshold_reply_count;
2368 
2369 	atomic_t fw_outstanding;
2370 	atomic_t ldio_outstanding;
2371 	atomic_t fw_reset_no_pci_access;
2372 	atomic64_t total_io_count;
2373 	atomic64_t high_iops_outstanding;
2374 
2375 	struct megasas_instance_template *instancet;
2376 	struct tasklet_struct isr_tasklet;
2377 	struct work_struct work_init;
2378 	struct delayed_work fw_fault_work;
2379 	struct workqueue_struct *fw_fault_work_q;
2380 	char fault_handler_work_q_name[48];
2381 
2382 	u8 flag;
2383 	u8 unload;
2384 	u8 flag_ieee;
2385 	u8 issuepend_done;
2386 	u8 disableOnlineCtrlReset;
2387 	u8 UnevenSpanSupport;
2388 
2389 	u8 supportmax256vd;
2390 	u8 pd_list_not_supported;
2391 	u16 fw_supported_vd_count;
2392 	u16 fw_supported_pd_count;
2393 
2394 	u16 drv_supported_vd_count;
2395 	u16 drv_supported_pd_count;
2396 
2397 	atomic_t adprecovery;
2398 	unsigned long last_time;
2399 	u32 mfiStatus;
2400 	u32 last_seq_num;
2401 
2402 	struct list_head internal_reset_pending_q;
2403 
2404 	/* Ptr to hba specific information */
2405 	void *ctrl_context;
2406 	unsigned int msix_vectors;
2407 	struct megasas_irq_context irq_context[MEGASAS_MAX_MSIX_QUEUES];
2408 	u64 map_id;
2409 	u64 pd_seq_map_id;
2410 	struct megasas_cmd *map_update_cmd;
2411 	struct megasas_cmd *jbod_seq_cmd;
2412 	unsigned long bar;
2413 	long reset_flags;
2414 	struct mutex reset_mutex;
2415 	struct timer_list sriov_heartbeat_timer;
2416 	char skip_heartbeat_timer_del;
2417 	u8 requestorId;
2418 	char PlasmaFW111;
2419 	char clusterId[MEGASAS_CLUSTER_ID_SIZE];
2420 	u8 peerIsPresent;
2421 	u8 passive;
2422 	u16 throttlequeuedepth;
2423 	u8 mask_interrupts;
2424 	u16 max_chain_frame_sz;
2425 	u8 is_imr;
2426 	u8 is_rdpq;
2427 	bool dev_handle;
2428 	bool fw_sync_cache_support;
2429 	u32 mfi_frame_size;
2430 	bool msix_combined;
2431 	u16 max_raid_mapsize;
2432 	/* preffered count to send as LDIO irrspective of FP capable.*/
2433 	u8  r1_ldio_hint_default;
2434 	u32 nvme_page_size;
2435 	u8 adapter_type;
2436 	bool consistent_mask_64bit;
2437 	bool support_nvme_passthru;
2438 	bool enable_sdev_max_qd;
2439 	u8 task_abort_tmo;
2440 	u8 max_reset_tmo;
2441 	u8 snapdump_wait_time;
2442 #ifdef CONFIG_DEBUG_FS
2443 	struct dentry *debugfs_root;
2444 	struct dentry *raidmap_dump;
2445 #endif
2446 	u8 enable_fw_dev_list;
2447 	bool atomic_desc_support;
2448 	bool support_seqnum_jbod_fp;
2449 	bool support_pci_lane_margining;
2450 	u8  low_latency_index_start;
2451 	int perf_mode;
2452 	int iopoll_q_count;
2453 };
2454 
2455 struct MR_LD_VF_MAP {
2456 	u32 size;
2457 	union MR_LD_REF ref;
2458 	u8 ldVfCount;
2459 	u8 reserved[6];
2460 	u8 policy[1];
2461 };
2462 
2463 struct MR_LD_VF_AFFILIATION {
2464 	u32 size;
2465 	u8 ldCount;
2466 	u8 vfCount;
2467 	u8 thisVf;
2468 	u8 reserved[9];
2469 	struct MR_LD_VF_MAP map[1];
2470 };
2471 
2472 /* Plasma 1.11 FW backward compatibility structures */
2473 #define IOV_111_OFFSET 0x7CE
2474 #define MAX_VIRTUAL_FUNCTIONS 8
2475 #define MR_LD_ACCESS_HIDDEN 15
2476 
2477 struct IOV_111 {
2478 	u8 maxVFsSupported;
2479 	u8 numVFsEnabled;
2480 	u8 requestorId;
2481 	u8 reserved[5];
2482 };
2483 
2484 struct MR_LD_VF_MAP_111 {
2485 	u8 targetId;
2486 	u8 reserved[3];
2487 	u8 policy[MAX_VIRTUAL_FUNCTIONS];
2488 };
2489 
2490 struct MR_LD_VF_AFFILIATION_111 {
2491 	u8 vdCount;
2492 	u8 vfCount;
2493 	u8 thisVf;
2494 	u8 reserved[5];
2495 	struct MR_LD_VF_MAP_111 map[MAX_LOGICAL_DRIVES];
2496 };
2497 
2498 struct MR_CTRL_HB_HOST_MEM {
2499 	struct {
2500 		u32 fwCounter;	/* Firmware heart beat counter */
2501 		struct {
2502 			u32 debugmode:1; /* 1=Firmware is in debug mode.
2503 					    Heart beat will not be updated. */
2504 			u32 reserved:31;
2505 		} debug;
2506 		u32 reserved_fw[6];
2507 		u32 driverCounter; /* Driver heart beat counter.  0x20 */
2508 		u32 reserved_driver[7];
2509 	} HB;
2510 	u8 pad[0x400-0x40];
2511 };
2512 
2513 enum {
2514 	MEGASAS_HBA_OPERATIONAL			= 0,
2515 	MEGASAS_ADPRESET_SM_INFAULT		= 1,
2516 	MEGASAS_ADPRESET_SM_FW_RESET_SUCCESS	= 2,
2517 	MEGASAS_ADPRESET_SM_OPERATIONAL		= 3,
2518 	MEGASAS_HW_CRITICAL_ERROR		= 4,
2519 	MEGASAS_ADPRESET_SM_POLLING		= 5,
2520 	MEGASAS_ADPRESET_INPROG_SIGN		= 0xDEADDEAD,
2521 };
2522 
2523 struct megasas_instance_template {
2524 	void (*fire_cmd)(struct megasas_instance *, dma_addr_t, \
2525 		u32, struct megasas_register_set __iomem *);
2526 
2527 	void (*enable_intr)(struct megasas_instance *);
2528 	void (*disable_intr)(struct megasas_instance *);
2529 
2530 	int (*clear_intr)(struct megasas_instance *);
2531 
2532 	u32 (*read_fw_status_reg)(struct megasas_instance *);
2533 	int (*adp_reset)(struct megasas_instance *, \
2534 		struct megasas_register_set __iomem *);
2535 	int (*check_reset)(struct megasas_instance *, \
2536 		struct megasas_register_set __iomem *);
2537 	irqreturn_t (*service_isr)(int irq, void *devp);
2538 	void (*tasklet)(unsigned long);
2539 	u32 (*init_adapter)(struct megasas_instance *);
2540 	u32 (*build_and_issue_cmd) (struct megasas_instance *,
2541 				    struct scsi_cmnd *);
2542 	void (*issue_dcmd)(struct megasas_instance *instance,
2543 			    struct megasas_cmd *cmd);
2544 };
2545 
2546 #define MEGASAS_IS_LOGICAL(sdev)					\
2547 	((sdev->channel < MEGASAS_MAX_PD_CHANNELS) ? 0 : 1)
2548 
2549 #define MEGASAS_DEV_INDEX(scp)						\
2550 	(((scp->device->channel % 2) * MEGASAS_MAX_DEV_PER_CHANNEL) +	\
2551 	scp->device->id)
2552 
2553 #define MEGASAS_PD_INDEX(scp)						\
2554 	((scp->device->channel * MEGASAS_MAX_DEV_PER_CHANNEL) +		\
2555 	scp->device->id)
2556 
2557 struct megasas_cmd {
2558 
2559 	union megasas_frame *frame;
2560 	dma_addr_t frame_phys_addr;
2561 	u8 *sense;
2562 	dma_addr_t sense_phys_addr;
2563 
2564 	u32 index;
2565 	u8 sync_cmd;
2566 	u8 cmd_status_drv;
2567 	u8 abort_aen;
2568 	u8 retry_for_fw_reset;
2569 
2570 
2571 	struct list_head list;
2572 	struct scsi_cmnd *scmd;
2573 	u8 flags;
2574 
2575 	struct megasas_instance *instance;
2576 	union {
2577 		struct {
2578 			u16 smid;
2579 			u16 resvd;
2580 		} context;
2581 		u32 frame_count;
2582 	};
2583 };
2584 
2585 #define MAX_MGMT_ADAPTERS		1024
2586 #define MAX_IOCTL_SGE			16
2587 
2588 struct megasas_iocpacket {
2589 
2590 	u16 host_no;
2591 	u16 __pad1;
2592 	u32 sgl_off;
2593 	u32 sge_count;
2594 	u32 sense_off;
2595 	u32 sense_len;
2596 	union {
2597 		u8 raw[128];
2598 		struct megasas_header hdr;
2599 	} frame;
2600 
2601 	struct iovec sgl[MAX_IOCTL_SGE];
2602 
2603 } __attribute__ ((packed));
2604 
2605 struct megasas_aen {
2606 	u16 host_no;
2607 	u16 __pad1;
2608 	u32 seq_num;
2609 	u32 class_locale_word;
2610 } __attribute__ ((packed));
2611 
2612 struct compat_megasas_iocpacket {
2613 	u16 host_no;
2614 	u16 __pad1;
2615 	u32 sgl_off;
2616 	u32 sge_count;
2617 	u32 sense_off;
2618 	u32 sense_len;
2619 	union {
2620 		u8 raw[128];
2621 		struct megasas_header hdr;
2622 	} frame;
2623 	struct compat_iovec sgl[MAX_IOCTL_SGE];
2624 } __attribute__ ((packed));
2625 
2626 #define MEGASAS_IOC_FIRMWARE32	_IOWR('M', 1, struct compat_megasas_iocpacket)
2627 
2628 #define MEGASAS_IOC_FIRMWARE	_IOWR('M', 1, struct megasas_iocpacket)
2629 #define MEGASAS_IOC_GET_AEN	_IOW('M', 3, struct megasas_aen)
2630 
2631 struct megasas_mgmt_info {
2632 
2633 	u16 count;
2634 	struct megasas_instance *instance[MAX_MGMT_ADAPTERS];
2635 	int max_index;
2636 };
2637 
2638 enum MEGASAS_OCR_CAUSE {
2639 	FW_FAULT_OCR			= 0,
2640 	SCSIIO_TIMEOUT_OCR		= 1,
2641 	MFI_IO_TIMEOUT_OCR		= 2,
2642 };
2643 
2644 enum DCMD_RETURN_STATUS {
2645 	DCMD_SUCCESS    = 0x00,
2646 	DCMD_TIMEOUT    = 0x01,
2647 	DCMD_FAILED     = 0x02,
2648 	DCMD_BUSY       = 0x03,
2649 	DCMD_INIT       = 0xff,
2650 };
2651 
2652 u8
2653 MR_BuildRaidContext(struct megasas_instance *instance,
2654 		    struct IO_REQUEST_INFO *io_info,
2655 		    struct RAID_CONTEXT *pRAID_Context,
2656 		    struct MR_DRV_RAID_MAP_ALL *map, u8 **raidLUN);
2657 u16 MR_TargetIdToLdGet(u32 ldTgtId, struct MR_DRV_RAID_MAP_ALL *map);
2658 struct MR_LD_RAID *MR_LdRaidGet(u32 ld, struct MR_DRV_RAID_MAP_ALL *map);
2659 u16 MR_ArPdGet(u32 ar, u32 arm, struct MR_DRV_RAID_MAP_ALL *map);
2660 u16 MR_LdSpanArrayGet(u32 ld, u32 span, struct MR_DRV_RAID_MAP_ALL *map);
2661 __le16 MR_PdDevHandleGet(u32 pd, struct MR_DRV_RAID_MAP_ALL *map);
2662 u16 MR_GetLDTgtId(u32 ld, struct MR_DRV_RAID_MAP_ALL *map);
2663 
2664 __le16 get_updated_dev_handle(struct megasas_instance *instance,
2665 			      struct LD_LOAD_BALANCE_INFO *lbInfo,
2666 			      struct IO_REQUEST_INFO *in_info,
2667 			      struct MR_DRV_RAID_MAP_ALL *drv_map);
2668 void mr_update_load_balance_params(struct MR_DRV_RAID_MAP_ALL *map,
2669 	struct LD_LOAD_BALANCE_INFO *lbInfo);
2670 int megasas_get_ctrl_info(struct megasas_instance *instance);
2671 /* PD sequence */
2672 int
2673 megasas_sync_pd_seq_num(struct megasas_instance *instance, bool pend);
2674 void megasas_set_dynamic_target_properties(struct scsi_device *sdev,
2675 					   bool is_target_prop);
2676 int megasas_get_target_prop(struct megasas_instance *instance,
2677 			    struct scsi_device *sdev);
2678 void megasas_get_snapdump_properties(struct megasas_instance *instance);
2679 
2680 int megasas_set_crash_dump_params(struct megasas_instance *instance,
2681 	u8 crash_buf_state);
2682 void megasas_free_host_crash_buffer(struct megasas_instance *instance);
2683 
2684 void megasas_return_cmd_fusion(struct megasas_instance *instance,
2685 	struct megasas_cmd_fusion *cmd);
2686 int megasas_issue_blocked_cmd(struct megasas_instance *instance,
2687 	struct megasas_cmd *cmd, int timeout);
2688 void __megasas_return_cmd(struct megasas_instance *instance,
2689 	struct megasas_cmd *cmd);
2690 
2691 void megasas_return_mfi_mpt_pthr(struct megasas_instance *instance,
2692 	struct megasas_cmd *cmd_mfi, struct megasas_cmd_fusion *cmd_fusion);
2693 int megasas_cmd_type(struct scsi_cmnd *cmd);
2694 void megasas_setup_jbod_map(struct megasas_instance *instance);
2695 
2696 void megasas_update_sdev_properties(struct scsi_device *sdev);
2697 int megasas_reset_fusion(struct Scsi_Host *shost, int reason);
2698 int megasas_task_abort_fusion(struct scsi_cmnd *scmd);
2699 int megasas_reset_target_fusion(struct scsi_cmnd *scmd);
2700 u32 mega_mod64(u64 dividend, u32 divisor);
2701 int megasas_alloc_fusion_context(struct megasas_instance *instance);
2702 void megasas_free_fusion_context(struct megasas_instance *instance);
2703 int megasas_fusion_start_watchdog(struct megasas_instance *instance);
2704 void megasas_fusion_stop_watchdog(struct megasas_instance *instance);
2705 
2706 void megasas_set_dma_settings(struct megasas_instance *instance,
2707 			      struct megasas_dcmd_frame *dcmd,
2708 			      dma_addr_t dma_addr, u32 dma_len);
2709 int megasas_adp_reset_wait_for_ready(struct megasas_instance *instance,
2710 				     bool do_adp_reset,
2711 				     int ocr_context);
2712 int megasas_irqpoll(struct irq_poll *irqpoll, int budget);
2713 void megasas_dump_fusion_io(struct scsi_cmnd *scmd);
2714 u32 megasas_readl(struct megasas_instance *instance,
2715 		  const volatile void __iomem *addr);
2716 struct megasas_cmd *megasas_get_cmd(struct megasas_instance *instance);
2717 void megasas_return_cmd(struct megasas_instance *instance,
2718 			struct megasas_cmd *cmd);
2719 int megasas_issue_polled(struct megasas_instance *instance,
2720 			 struct megasas_cmd *cmd);
2721 void megaraid_sas_kill_hba(struct megasas_instance *instance);
2722 void megasas_check_and_restore_queue_depth(struct megasas_instance *instance);
2723 void megasas_start_timer(struct megasas_instance *instance);
2724 int megasas_sriov_start_heartbeat(struct megasas_instance *instance,
2725 				  int initial);
2726 int megasas_alloc_cmds(struct megasas_instance *instance);
2727 void megasas_free_cmds(struct megasas_instance *instance);
2728 
2729 void megasas_init_debugfs(void);
2730 void megasas_exit_debugfs(void);
2731 void megasas_setup_debugfs(struct megasas_instance *instance);
2732 void megasas_destroy_debugfs(struct megasas_instance *instance);
2733 int megasas_blk_mq_poll(struct Scsi_Host *shost, unsigned int queue_num);
2734 
2735 #endif				/*LSI_MEGARAID_SAS_H */
2736