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 #include <scsi/scsi_cmnd.h>
22 
23 /*
24  * MegaRAID SAS Driver meta data
25  */
26 #define MEGASAS_VERSION				"07.725.01.00-rc1"
27 #define MEGASAS_RELDATE				"Mar 2, 2023"
28 
29 #define MEGASAS_MSIX_NAME_LEN			32
30 
31 /*
32  * Device IDs
33  */
34 #define	PCI_DEVICE_ID_LSI_SAS1078R		0x0060
35 #define	PCI_DEVICE_ID_LSI_SAS1078DE		0x007C
36 #define	PCI_DEVICE_ID_LSI_VERDE_ZCR		0x0413
37 #define	PCI_DEVICE_ID_LSI_SAS1078GEN2		0x0078
38 #define	PCI_DEVICE_ID_LSI_SAS0079GEN2		0x0079
39 #define	PCI_DEVICE_ID_LSI_SAS0073SKINNY		0x0073
40 #define	PCI_DEVICE_ID_LSI_SAS0071SKINNY		0x0071
41 #define	PCI_DEVICE_ID_LSI_FUSION		0x005b
42 #define PCI_DEVICE_ID_LSI_PLASMA		0x002f
43 #define PCI_DEVICE_ID_LSI_INVADER		0x005d
44 #define PCI_DEVICE_ID_LSI_FURY			0x005f
45 #define PCI_DEVICE_ID_LSI_INTRUDER		0x00ce
46 #define PCI_DEVICE_ID_LSI_INTRUDER_24		0x00cf
47 #define PCI_DEVICE_ID_LSI_CUTLASS_52		0x0052
48 #define PCI_DEVICE_ID_LSI_CUTLASS_53		0x0053
49 #define PCI_DEVICE_ID_LSI_VENTURA		    0x0014
50 #define PCI_DEVICE_ID_LSI_CRUSADER		    0x0015
51 #define PCI_DEVICE_ID_LSI_HARPOON		    0x0016
52 #define PCI_DEVICE_ID_LSI_TOMCAT		    0x0017
53 #define PCI_DEVICE_ID_LSI_VENTURA_4PORT		0x001B
54 #define PCI_DEVICE_ID_LSI_CRUSADER_4PORT	0x001C
55 #define PCI_DEVICE_ID_LSI_AERO_10E1		0x10e1
56 #define PCI_DEVICE_ID_LSI_AERO_10E2		0x10e2
57 #define PCI_DEVICE_ID_LSI_AERO_10E5		0x10e5
58 #define PCI_DEVICE_ID_LSI_AERO_10E6		0x10e6
59 #define PCI_DEVICE_ID_LSI_AERO_10E0		0x10e0
60 #define PCI_DEVICE_ID_LSI_AERO_10E3		0x10e3
61 #define PCI_DEVICE_ID_LSI_AERO_10E4		0x10e4
62 #define PCI_DEVICE_ID_LSI_AERO_10E7		0x10e7
63 
64 /*
65  * Intel HBA SSDIDs
66  */
67 #define MEGARAID_INTEL_RS3DC080_SSDID		0x9360
68 #define MEGARAID_INTEL_RS3DC040_SSDID		0x9362
69 #define MEGARAID_INTEL_RS3SC008_SSDID		0x9380
70 #define MEGARAID_INTEL_RS3MC044_SSDID		0x9381
71 #define MEGARAID_INTEL_RS3WC080_SSDID		0x9341
72 #define MEGARAID_INTEL_RS3WC040_SSDID		0x9343
73 #define MEGARAID_INTEL_RMS3BC160_SSDID		0x352B
74 
75 /*
76  * Intruder HBA SSDIDs
77  */
78 #define MEGARAID_INTRUDER_SSDID1		0x9371
79 #define MEGARAID_INTRUDER_SSDID2		0x9390
80 #define MEGARAID_INTRUDER_SSDID3		0x9370
81 
82 /*
83  * Intel HBA branding
84  */
85 #define MEGARAID_INTEL_RS3DC080_BRANDING	\
86 	"Intel(R) RAID Controller RS3DC080"
87 #define MEGARAID_INTEL_RS3DC040_BRANDING	\
88 	"Intel(R) RAID Controller RS3DC040"
89 #define MEGARAID_INTEL_RS3SC008_BRANDING	\
90 	"Intel(R) RAID Controller RS3SC008"
91 #define MEGARAID_INTEL_RS3MC044_BRANDING	\
92 	"Intel(R) RAID Controller RS3MC044"
93 #define MEGARAID_INTEL_RS3WC080_BRANDING	\
94 	"Intel(R) RAID Controller RS3WC080"
95 #define MEGARAID_INTEL_RS3WC040_BRANDING	\
96 	"Intel(R) RAID Controller RS3WC040"
97 #define MEGARAID_INTEL_RMS3BC160_BRANDING	\
98 	"Intel(R) Integrated RAID Module RMS3BC160"
99 
100 /*
101  * =====================================
102  * MegaRAID SAS MFI firmware definitions
103  * =====================================
104  */
105 
106 /*
107  * MFI stands for  MegaRAID SAS FW Interface. This is just a moniker for
108  * protocol between the software and firmware. Commands are issued using
109  * "message frames"
110  */
111 
112 /*
113  * FW posts its state in upper 4 bits of outbound_msg_0 register
114  */
115 #define MFI_STATE_MASK				0xF0000000
116 #define MFI_STATE_UNDEFINED			0x00000000
117 #define MFI_STATE_BB_INIT			0x10000000
118 #define MFI_STATE_FW_INIT			0x40000000
119 #define MFI_STATE_WAIT_HANDSHAKE		0x60000000
120 #define MFI_STATE_FW_INIT_2			0x70000000
121 #define MFI_STATE_DEVICE_SCAN			0x80000000
122 #define MFI_STATE_BOOT_MESSAGE_PENDING		0x90000000
123 #define MFI_STATE_FLUSH_CACHE			0xA0000000
124 #define MFI_STATE_READY				0xB0000000
125 #define MFI_STATE_OPERATIONAL			0xC0000000
126 #define MFI_STATE_FAULT				0xF0000000
127 #define MFI_STATE_FORCE_OCR			0x00000080
128 #define MFI_STATE_DMADONE			0x00000008
129 #define MFI_STATE_CRASH_DUMP_DONE		0x00000004
130 #define MFI_RESET_REQUIRED			0x00000001
131 #define MFI_RESET_ADAPTER			0x00000002
132 #define MEGAMFI_FRAME_SIZE			64
133 
134 #define MFI_STATE_FAULT_CODE			0x0FFF0000
135 #define MFI_STATE_FAULT_SUBCODE			0x0000FF00
136 /*
137  * During FW init, clear pending cmds & reset state using inbound_msg_0
138  *
139  * ABORT	: Abort all pending cmds
140  * READY	: Move from OPERATIONAL to READY state; discard queue info
141  * MFIMODE	: Discard (possible) low MFA posted in 64-bit mode (??)
142  * CLR_HANDSHAKE: FW is waiting for HANDSHAKE from BIOS or Driver
143  * HOTPLUG	: Resume from Hotplug
144  * MFI_STOP_ADP	: Send signal to FW to stop processing
145  * MFI_ADP_TRIGGER_SNAP_DUMP: Inform firmware to initiate snap dump
146  */
147 #define WRITE_SEQUENCE_OFFSET		(0x0000000FC) /* I20 */
148 #define HOST_DIAGNOSTIC_OFFSET		(0x000000F8)  /* I20 */
149 #define DIAG_WRITE_ENABLE			(0x00000080)
150 #define DIAG_RESET_ADAPTER			(0x00000004)
151 
152 #define MFI_ADP_RESET				0x00000040
153 #define MFI_INIT_ABORT				0x00000001
154 #define MFI_INIT_READY				0x00000002
155 #define MFI_INIT_MFIMODE			0x00000004
156 #define MFI_INIT_CLEAR_HANDSHAKE		0x00000008
157 #define MFI_INIT_HOTPLUG			0x00000010
158 #define MFI_STOP_ADP				0x00000020
159 #define MFI_RESET_FLAGS				MFI_INIT_READY| \
160 						MFI_INIT_MFIMODE| \
161 						MFI_INIT_ABORT
162 #define MFI_ADP_TRIGGER_SNAP_DUMP		0x00000100
163 #define MPI2_IOCINIT_MSGFLAG_RDPQ_ARRAY_MODE    (0x01)
164 
165 /*
166  * MFI frame flags
167  */
168 #define MFI_FRAME_POST_IN_REPLY_QUEUE		0x0000
169 #define MFI_FRAME_DONT_POST_IN_REPLY_QUEUE	0x0001
170 #define MFI_FRAME_SGL32				0x0000
171 #define MFI_FRAME_SGL64				0x0002
172 #define MFI_FRAME_SENSE32			0x0000
173 #define MFI_FRAME_SENSE64			0x0004
174 #define MFI_FRAME_DIR_NONE			0x0000
175 #define MFI_FRAME_DIR_WRITE			0x0008
176 #define MFI_FRAME_DIR_READ			0x0010
177 #define MFI_FRAME_DIR_BOTH			0x0018
178 #define MFI_FRAME_IEEE                          0x0020
179 
180 /* Driver internal */
181 #define DRV_DCMD_POLLED_MODE		0x1
182 #define DRV_DCMD_SKIP_REFIRE		0x2
183 
184 /*
185  * Definition for cmd_status
186  */
187 #define MFI_CMD_STATUS_POLL_MODE		0xFF
188 
189 /*
190  * MFI command opcodes
191  */
192 enum MFI_CMD_OP {
193 	MFI_CMD_INIT		= 0x0,
194 	MFI_CMD_LD_READ		= 0x1,
195 	MFI_CMD_LD_WRITE	= 0x2,
196 	MFI_CMD_LD_SCSI_IO	= 0x3,
197 	MFI_CMD_PD_SCSI_IO	= 0x4,
198 	MFI_CMD_DCMD		= 0x5,
199 	MFI_CMD_ABORT		= 0x6,
200 	MFI_CMD_SMP		= 0x7,
201 	MFI_CMD_STP		= 0x8,
202 	MFI_CMD_NVME		= 0x9,
203 	MFI_CMD_TOOLBOX		= 0xa,
204 	MFI_CMD_OP_COUNT,
205 	MFI_CMD_INVALID		= 0xff
206 };
207 
208 #define MR_DCMD_CTRL_GET_INFO			0x01010000
209 #define MR_DCMD_LD_GET_LIST			0x03010000
210 #define MR_DCMD_LD_LIST_QUERY			0x03010100
211 
212 #define MR_DCMD_CTRL_CACHE_FLUSH		0x01101000
213 #define MR_FLUSH_CTRL_CACHE			0x01
214 #define MR_FLUSH_DISK_CACHE			0x02
215 
216 #define MR_DCMD_CTRL_SHUTDOWN			0x01050000
217 #define MR_DCMD_HIBERNATE_SHUTDOWN		0x01060000
218 #define MR_ENABLE_DRIVE_SPINDOWN		0x01
219 
220 #define MR_DCMD_CTRL_EVENT_GET_INFO		0x01040100
221 #define MR_DCMD_CTRL_EVENT_GET			0x01040300
222 #define MR_DCMD_CTRL_EVENT_WAIT			0x01040500
223 #define MR_DCMD_LD_GET_PROPERTIES		0x03030000
224 
225 #define MR_DCMD_CLUSTER				0x08000000
226 #define MR_DCMD_CLUSTER_RESET_ALL		0x08010100
227 #define MR_DCMD_CLUSTER_RESET_LD		0x08010200
228 #define MR_DCMD_PD_LIST_QUERY                   0x02010100
229 
230 #define MR_DCMD_CTRL_SET_CRASH_DUMP_PARAMS	0x01190100
231 #define MR_DRIVER_SET_APP_CRASHDUMP_MODE	(0xF0010000 | 0x0600)
232 #define MR_DCMD_PD_GET_INFO			0x02020000
233 
234 /*
235  * Global functions
236  */
237 extern u8 MR_ValidateMapInfo(struct megasas_instance *instance, u64 map_id);
238 
239 
240 /*
241  * MFI command completion codes
242  */
243 enum MFI_STAT {
244 	MFI_STAT_OK = 0x00,
245 	MFI_STAT_INVALID_CMD = 0x01,
246 	MFI_STAT_INVALID_DCMD = 0x02,
247 	MFI_STAT_INVALID_PARAMETER = 0x03,
248 	MFI_STAT_INVALID_SEQUENCE_NUMBER = 0x04,
249 	MFI_STAT_ABORT_NOT_POSSIBLE = 0x05,
250 	MFI_STAT_APP_HOST_CODE_NOT_FOUND = 0x06,
251 	MFI_STAT_APP_IN_USE = 0x07,
252 	MFI_STAT_APP_NOT_INITIALIZED = 0x08,
253 	MFI_STAT_ARRAY_INDEX_INVALID = 0x09,
254 	MFI_STAT_ARRAY_ROW_NOT_EMPTY = 0x0a,
255 	MFI_STAT_CONFIG_RESOURCE_CONFLICT = 0x0b,
256 	MFI_STAT_DEVICE_NOT_FOUND = 0x0c,
257 	MFI_STAT_DRIVE_TOO_SMALL = 0x0d,
258 	MFI_STAT_FLASH_ALLOC_FAIL = 0x0e,
259 	MFI_STAT_FLASH_BUSY = 0x0f,
260 	MFI_STAT_FLASH_ERROR = 0x10,
261 	MFI_STAT_FLASH_IMAGE_BAD = 0x11,
262 	MFI_STAT_FLASH_IMAGE_INCOMPLETE = 0x12,
263 	MFI_STAT_FLASH_NOT_OPEN = 0x13,
264 	MFI_STAT_FLASH_NOT_STARTED = 0x14,
265 	MFI_STAT_FLUSH_FAILED = 0x15,
266 	MFI_STAT_HOST_CODE_NOT_FOUNT = 0x16,
267 	MFI_STAT_LD_CC_IN_PROGRESS = 0x17,
268 	MFI_STAT_LD_INIT_IN_PROGRESS = 0x18,
269 	MFI_STAT_LD_LBA_OUT_OF_RANGE = 0x19,
270 	MFI_STAT_LD_MAX_CONFIGURED = 0x1a,
271 	MFI_STAT_LD_NOT_OPTIMAL = 0x1b,
272 	MFI_STAT_LD_RBLD_IN_PROGRESS = 0x1c,
273 	MFI_STAT_LD_RECON_IN_PROGRESS = 0x1d,
274 	MFI_STAT_LD_WRONG_RAID_LEVEL = 0x1e,
275 	MFI_STAT_MAX_SPARES_EXCEEDED = 0x1f,
276 	MFI_STAT_MEMORY_NOT_AVAILABLE = 0x20,
277 	MFI_STAT_MFC_HW_ERROR = 0x21,
278 	MFI_STAT_NO_HW_PRESENT = 0x22,
279 	MFI_STAT_NOT_FOUND = 0x23,
280 	MFI_STAT_NOT_IN_ENCL = 0x24,
281 	MFI_STAT_PD_CLEAR_IN_PROGRESS = 0x25,
282 	MFI_STAT_PD_TYPE_WRONG = 0x26,
283 	MFI_STAT_PR_DISABLED = 0x27,
284 	MFI_STAT_ROW_INDEX_INVALID = 0x28,
285 	MFI_STAT_SAS_CONFIG_INVALID_ACTION = 0x29,
286 	MFI_STAT_SAS_CONFIG_INVALID_DATA = 0x2a,
287 	MFI_STAT_SAS_CONFIG_INVALID_PAGE = 0x2b,
288 	MFI_STAT_SAS_CONFIG_INVALID_TYPE = 0x2c,
289 	MFI_STAT_SCSI_DONE_WITH_ERROR = 0x2d,
290 	MFI_STAT_SCSI_IO_FAILED = 0x2e,
291 	MFI_STAT_SCSI_RESERVATION_CONFLICT = 0x2f,
292 	MFI_STAT_SHUTDOWN_FAILED = 0x30,
293 	MFI_STAT_TIME_NOT_SET = 0x31,
294 	MFI_STAT_WRONG_STATE = 0x32,
295 	MFI_STAT_LD_OFFLINE = 0x33,
296 	MFI_STAT_PEER_NOTIFICATION_REJECTED = 0x34,
297 	MFI_STAT_PEER_NOTIFICATION_FAILED = 0x35,
298 	MFI_STAT_RESERVATION_IN_PROGRESS = 0x36,
299 	MFI_STAT_I2C_ERRORS_DETECTED = 0x37,
300 	MFI_STAT_PCI_ERRORS_DETECTED = 0x38,
301 	MFI_STAT_CONFIG_SEQ_MISMATCH = 0x67,
302 
303 	MFI_STAT_INVALID_STATUS = 0xFF
304 };
305 
306 enum mfi_evt_class {
307 	MFI_EVT_CLASS_DEBUG =		-2,
308 	MFI_EVT_CLASS_PROGRESS =	-1,
309 	MFI_EVT_CLASS_INFO =		0,
310 	MFI_EVT_CLASS_WARNING =		1,
311 	MFI_EVT_CLASS_CRITICAL =	2,
312 	MFI_EVT_CLASS_FATAL =		3,
313 	MFI_EVT_CLASS_DEAD =		4
314 };
315 
316 /*
317  * Crash dump related defines
318  */
319 #define MAX_CRASH_DUMP_SIZE 512
320 #define CRASH_DMA_BUF_SIZE  (1024 * 1024)
321 
322 enum MR_FW_CRASH_DUMP_STATE {
323 	UNAVAILABLE = 0,
324 	AVAILABLE = 1,
325 	COPYING = 2,
326 	COPIED = 3,
327 	COPY_ERROR = 4,
328 };
329 
330 enum _MR_CRASH_BUF_STATUS {
331 	MR_CRASH_BUF_TURN_OFF = 0,
332 	MR_CRASH_BUF_TURN_ON = 1,
333 };
334 
335 /*
336  * Number of mailbox bytes in DCMD message frame
337  */
338 #define MFI_MBOX_SIZE				12
339 
340 enum MR_EVT_CLASS {
341 
342 	MR_EVT_CLASS_DEBUG = -2,
343 	MR_EVT_CLASS_PROGRESS = -1,
344 	MR_EVT_CLASS_INFO = 0,
345 	MR_EVT_CLASS_WARNING = 1,
346 	MR_EVT_CLASS_CRITICAL = 2,
347 	MR_EVT_CLASS_FATAL = 3,
348 	MR_EVT_CLASS_DEAD = 4,
349 
350 };
351 
352 enum MR_EVT_LOCALE {
353 
354 	MR_EVT_LOCALE_LD = 0x0001,
355 	MR_EVT_LOCALE_PD = 0x0002,
356 	MR_EVT_LOCALE_ENCL = 0x0004,
357 	MR_EVT_LOCALE_BBU = 0x0008,
358 	MR_EVT_LOCALE_SAS = 0x0010,
359 	MR_EVT_LOCALE_CTRL = 0x0020,
360 	MR_EVT_LOCALE_CONFIG = 0x0040,
361 	MR_EVT_LOCALE_CLUSTER = 0x0080,
362 	MR_EVT_LOCALE_ALL = 0xffff,
363 
364 };
365 
366 enum MR_EVT_ARGS {
367 
368 	MR_EVT_ARGS_NONE,
369 	MR_EVT_ARGS_CDB_SENSE,
370 	MR_EVT_ARGS_LD,
371 	MR_EVT_ARGS_LD_COUNT,
372 	MR_EVT_ARGS_LD_LBA,
373 	MR_EVT_ARGS_LD_OWNER,
374 	MR_EVT_ARGS_LD_LBA_PD_LBA,
375 	MR_EVT_ARGS_LD_PROG,
376 	MR_EVT_ARGS_LD_STATE,
377 	MR_EVT_ARGS_LD_STRIP,
378 	MR_EVT_ARGS_PD,
379 	MR_EVT_ARGS_PD_ERR,
380 	MR_EVT_ARGS_PD_LBA,
381 	MR_EVT_ARGS_PD_LBA_LD,
382 	MR_EVT_ARGS_PD_PROG,
383 	MR_EVT_ARGS_PD_STATE,
384 	MR_EVT_ARGS_PCI,
385 	MR_EVT_ARGS_RATE,
386 	MR_EVT_ARGS_STR,
387 	MR_EVT_ARGS_TIME,
388 	MR_EVT_ARGS_ECC,
389 	MR_EVT_ARGS_LD_PROP,
390 	MR_EVT_ARGS_PD_SPARE,
391 	MR_EVT_ARGS_PD_INDEX,
392 	MR_EVT_ARGS_DIAG_PASS,
393 	MR_EVT_ARGS_DIAG_FAIL,
394 	MR_EVT_ARGS_PD_LBA_LBA,
395 	MR_EVT_ARGS_PORT_PHY,
396 	MR_EVT_ARGS_PD_MISSING,
397 	MR_EVT_ARGS_PD_ADDRESS,
398 	MR_EVT_ARGS_BITMAP,
399 	MR_EVT_ARGS_CONNECTOR,
400 	MR_EVT_ARGS_PD_PD,
401 	MR_EVT_ARGS_PD_FRU,
402 	MR_EVT_ARGS_PD_PATHINFO,
403 	MR_EVT_ARGS_PD_POWER_STATE,
404 	MR_EVT_ARGS_GENERIC,
405 };
406 
407 
408 #define SGE_BUFFER_SIZE	4096
409 #define MEGASAS_CLUSTER_ID_SIZE	16
410 /*
411  * define constants for device list query options
412  */
413 enum MR_PD_QUERY_TYPE {
414 	MR_PD_QUERY_TYPE_ALL                = 0,
415 	MR_PD_QUERY_TYPE_STATE              = 1,
416 	MR_PD_QUERY_TYPE_POWER_STATE        = 2,
417 	MR_PD_QUERY_TYPE_MEDIA_TYPE         = 3,
418 	MR_PD_QUERY_TYPE_SPEED              = 4,
419 	MR_PD_QUERY_TYPE_EXPOSED_TO_HOST    = 5,
420 };
421 
422 enum MR_LD_QUERY_TYPE {
423 	MR_LD_QUERY_TYPE_ALL	         = 0,
424 	MR_LD_QUERY_TYPE_EXPOSED_TO_HOST = 1,
425 	MR_LD_QUERY_TYPE_USED_TGT_IDS    = 2,
426 	MR_LD_QUERY_TYPE_CLUSTER_ACCESS  = 3,
427 	MR_LD_QUERY_TYPE_CLUSTER_LOCALE  = 4,
428 };
429 
430 
431 #define MR_EVT_CFG_CLEARED                              0x0004
432 #define MR_EVT_LD_STATE_CHANGE                          0x0051
433 #define MR_EVT_PD_INSERTED                              0x005b
434 #define MR_EVT_PD_REMOVED                               0x0070
435 #define MR_EVT_LD_CREATED                               0x008a
436 #define MR_EVT_LD_DELETED                               0x008b
437 #define MR_EVT_FOREIGN_CFG_IMPORTED                     0x00db
438 #define MR_EVT_LD_OFFLINE                               0x00fc
439 #define MR_EVT_CTRL_HOST_BUS_SCAN_REQUESTED             0x0152
440 #define MR_EVT_CTRL_PROP_CHANGED			0x012f
441 
442 enum MR_PD_STATE {
443 	MR_PD_STATE_UNCONFIGURED_GOOD   = 0x00,
444 	MR_PD_STATE_UNCONFIGURED_BAD    = 0x01,
445 	MR_PD_STATE_HOT_SPARE           = 0x02,
446 	MR_PD_STATE_OFFLINE             = 0x10,
447 	MR_PD_STATE_FAILED              = 0x11,
448 	MR_PD_STATE_REBUILD             = 0x14,
449 	MR_PD_STATE_ONLINE              = 0x18,
450 	MR_PD_STATE_COPYBACK            = 0x20,
451 	MR_PD_STATE_SYSTEM              = 0x40,
452  };
453 
454 union MR_PD_REF {
455 	struct {
456 		u16	 deviceId;
457 		u16	 seqNum;
458 	} mrPdRef;
459 	u32	 ref;
460 };
461 
462 /*
463  * define the DDF Type bit structure
464  */
465 union MR_PD_DDF_TYPE {
466 	 struct {
467 		union {
468 			struct {
469 #ifndef __BIG_ENDIAN_BITFIELD
470 				 u16	 forcedPDGUID:1;
471 				 u16	 inVD:1;
472 				 u16	 isGlobalSpare:1;
473 				 u16	 isSpare:1;
474 				 u16	 isForeign:1;
475 				 u16	 reserved:7;
476 				 u16	 intf:4;
477 #else
478 				 u16	 intf:4;
479 				 u16	 reserved:7;
480 				 u16	 isForeign:1;
481 				 u16	 isSpare:1;
482 				 u16	 isGlobalSpare:1;
483 				 u16	 inVD:1;
484 				 u16	 forcedPDGUID:1;
485 #endif
486 			 } pdType;
487 			 u16	 type;
488 		 };
489 		 u16	 reserved;
490 	 } ddf;
491 	 struct {
492 		 u32	reserved;
493 	 } nonDisk;
494 	 u32	 type;
495 } __packed;
496 
497 /*
498  * defines the progress structure
499  */
500 union MR_PROGRESS {
501 	struct  {
502 		u16 progress;
503 		union {
504 			u16 elapsedSecs;
505 			u16 elapsedSecsForLastPercent;
506 		};
507 	} mrProgress;
508 	u32 w;
509 } __packed;
510 
511 /*
512  * defines the physical drive progress structure
513  */
514 struct MR_PD_PROGRESS {
515 	struct {
516 #ifndef __BIG_ENDIAN_BITFIELD
517 		u32     rbld:1;
518 		u32     patrol:1;
519 		u32     clear:1;
520 		u32     copyBack:1;
521 		u32     erase:1;
522 		u32     locate:1;
523 		u32     reserved:26;
524 #else
525 		u32     reserved:26;
526 		u32     locate:1;
527 		u32     erase:1;
528 		u32     copyBack:1;
529 		u32     clear:1;
530 		u32     patrol:1;
531 		u32     rbld:1;
532 #endif
533 	} active;
534 	union MR_PROGRESS     rbld;
535 	union MR_PROGRESS     patrol;
536 	union {
537 		union MR_PROGRESS     clear;
538 		union MR_PROGRESS     erase;
539 	};
540 
541 	struct {
542 #ifndef __BIG_ENDIAN_BITFIELD
543 		u32     rbld:1;
544 		u32     patrol:1;
545 		u32     clear:1;
546 		u32     copyBack:1;
547 		u32     erase:1;
548 		u32     reserved:27;
549 #else
550 		u32     reserved:27;
551 		u32     erase:1;
552 		u32     copyBack:1;
553 		u32     clear:1;
554 		u32     patrol:1;
555 		u32     rbld:1;
556 #endif
557 	} pause;
558 
559 	union MR_PROGRESS     reserved[3];
560 } __packed;
561 
562 struct  MR_PD_INFO {
563 	union MR_PD_REF	ref;
564 	u8 inquiryData[96];
565 	u8 vpdPage83[64];
566 	u8 notSupported;
567 	u8 scsiDevType;
568 
569 	union {
570 		u8 connectedPortBitmap;
571 		u8 connectedPortNumbers;
572 	};
573 
574 	u8 deviceSpeed;
575 	u32 mediaErrCount;
576 	u32 otherErrCount;
577 	u32 predFailCount;
578 	u32 lastPredFailEventSeqNum;
579 
580 	u16 fwState;
581 	u8 disabledForRemoval;
582 	u8 linkSpeed;
583 	union MR_PD_DDF_TYPE state;
584 
585 	struct {
586 		u8 count;
587 #ifndef __BIG_ENDIAN_BITFIELD
588 		u8 isPathBroken:4;
589 		u8 reserved3:3;
590 		u8 widePortCapable:1;
591 #else
592 		u8 widePortCapable:1;
593 		u8 reserved3:3;
594 		u8 isPathBroken:4;
595 #endif
596 
597 		u8 connectorIndex[2];
598 		u8 reserved[4];
599 		u64 sasAddr[2];
600 		u8 reserved2[16];
601 	} pathInfo;
602 
603 	u64 rawSize;
604 	u64 nonCoercedSize;
605 	u64 coercedSize;
606 	u16 enclDeviceId;
607 	u8 enclIndex;
608 
609 	union {
610 		u8 slotNumber;
611 		u8 enclConnectorIndex;
612 	};
613 
614 	struct MR_PD_PROGRESS progInfo;
615 	u8 badBlockTableFull;
616 	u8 unusableInCurrentConfig;
617 	u8 vpdPage83Ext[64];
618 	u8 powerState;
619 	u8 enclPosition;
620 	u32 allowedOps;
621 	u16 copyBackPartnerId;
622 	u16 enclPartnerDeviceId;
623 	struct {
624 #ifndef __BIG_ENDIAN_BITFIELD
625 		u16 fdeCapable:1;
626 		u16 fdeEnabled:1;
627 		u16 secured:1;
628 		u16 locked:1;
629 		u16 foreign:1;
630 		u16 needsEKM:1;
631 		u16 reserved:10;
632 #else
633 		u16 reserved:10;
634 		u16 needsEKM:1;
635 		u16 foreign:1;
636 		u16 locked:1;
637 		u16 secured:1;
638 		u16 fdeEnabled:1;
639 		u16 fdeCapable:1;
640 #endif
641 	} security;
642 	u8 mediaType;
643 	u8 notCertified;
644 	u8 bridgeVendor[8];
645 	u8 bridgeProductIdentification[16];
646 	u8 bridgeProductRevisionLevel[4];
647 	u8 satBridgeExists;
648 
649 	u8 interfaceType;
650 	u8 temperature;
651 	u8 emulatedBlockSize;
652 	u16 userDataBlockSize;
653 	u16 reserved2;
654 
655 	struct {
656 #ifndef __BIG_ENDIAN_BITFIELD
657 		u32 piType:3;
658 		u32 piFormatted:1;
659 		u32 piEligible:1;
660 		u32 NCQ:1;
661 		u32 WCE:1;
662 		u32 commissionedSpare:1;
663 		u32 emergencySpare:1;
664 		u32 ineligibleForSSCD:1;
665 		u32 ineligibleForLd:1;
666 		u32 useSSEraseType:1;
667 		u32 wceUnchanged:1;
668 		u32 supportScsiUnmap:1;
669 		u32 reserved:18;
670 #else
671 		u32 reserved:18;
672 		u32 supportScsiUnmap:1;
673 		u32 wceUnchanged:1;
674 		u32 useSSEraseType:1;
675 		u32 ineligibleForLd:1;
676 		u32 ineligibleForSSCD:1;
677 		u32 emergencySpare:1;
678 		u32 commissionedSpare:1;
679 		u32 WCE:1;
680 		u32 NCQ:1;
681 		u32 piEligible:1;
682 		u32 piFormatted:1;
683 		u32 piType:3;
684 #endif
685 	} properties;
686 
687 	u64 shieldDiagCompletionTime;
688 	u8 shieldCounter;
689 
690 	u8 linkSpeedOther;
691 	u8 reserved4[2];
692 
693 	struct {
694 #ifndef __BIG_ENDIAN_BITFIELD
695 		u32 bbmErrCountSupported:1;
696 		u32 bbmErrCount:31;
697 #else
698 		u32 bbmErrCount:31;
699 		u32 bbmErrCountSupported:1;
700 #endif
701 	} bbmErr;
702 
703 	u8 reserved1[512-428];
704 } __packed;
705 
706 /*
707  * Definition of structure used to expose attributes of VD or JBOD
708  * (this structure is to be filled by firmware when MR_DCMD_DRV_GET_TARGET_PROP
709  * is fired by driver)
710  */
711 struct MR_TARGET_PROPERTIES {
712 	u32    max_io_size_kb;
713 	u32    device_qdepth;
714 	u32    sector_size;
715 	u8     reset_tmo;
716 	u8     reserved[499];
717 } __packed;
718 
719  /*
720  * defines the physical drive address structure
721  */
722 struct MR_PD_ADDRESS {
723 	__le16	deviceId;
724 	u16     enclDeviceId;
725 
726 	union {
727 		struct {
728 			u8  enclIndex;
729 			u8  slotNumber;
730 		} mrPdAddress;
731 		struct {
732 			u8  enclPosition;
733 			u8  enclConnectorIndex;
734 		} mrEnclAddress;
735 	};
736 	u8      scsiDevType;
737 	union {
738 		u8      connectedPortBitmap;
739 		u8      connectedPortNumbers;
740 	};
741 	u64     sasAddr[2];
742 } __packed;
743 
744 /*
745  * defines the physical drive list structure
746  */
747 struct MR_PD_LIST {
748 	__le32		size;
749 	__le32		count;
750 	struct MR_PD_ADDRESS   addr[1];
751 } __packed;
752 
753 struct megasas_pd_list {
754 	u16             tid;
755 	u8             driveType;
756 	u8             driveState;
757 } __packed;
758 
759  /*
760  * defines the logical drive reference structure
761  */
762 union  MR_LD_REF {
763 	struct {
764 		u8      targetId;
765 		u8      reserved;
766 		__le16     seqNum;
767 	};
768 	__le32     ref;
769 } __packed;
770 
771 /*
772  * defines the logical drive list structure
773  */
774 struct MR_LD_LIST {
775 	__le32     ldCount;
776 	__le32     reserved;
777 	struct {
778 		union MR_LD_REF   ref;
779 		u8          state;
780 		u8          reserved[3];
781 		__le64		size;
782 	} ldList[MAX_LOGICAL_DRIVES_EXT];
783 } __packed;
784 
785 struct MR_LD_TARGETID_LIST {
786 	__le32	size;
787 	__le32	count;
788 	u8	pad[3];
789 	u8	targetId[MAX_LOGICAL_DRIVES_EXT];
790 };
791 
792 struct MR_HOST_DEVICE_LIST_ENTRY {
793 	struct {
794 		union {
795 			struct {
796 #if defined(__BIG_ENDIAN_BITFIELD)
797 				u8 reserved:7;
798 				u8 is_sys_pd:1;
799 #else
800 				u8 is_sys_pd:1;
801 				u8 reserved:7;
802 #endif
803 			} bits;
804 			u8 byte;
805 		} u;
806 	} flags;
807 	u8 scsi_type;
808 	__le16 target_id;
809 	u8 reserved[4];
810 	__le64 sas_addr[2];
811 } __packed;
812 
813 struct MR_HOST_DEVICE_LIST {
814 	__le32			size;
815 	__le32			count;
816 	__le32			reserved[2];
817 	struct MR_HOST_DEVICE_LIST_ENTRY	host_device_list[1];
818 } __packed;
819 
820 #define HOST_DEVICE_LIST_SZ (sizeof(struct MR_HOST_DEVICE_LIST) +	       \
821 			      (sizeof(struct MR_HOST_DEVICE_LIST_ENTRY) *      \
822 			      (MEGASAS_MAX_PD + MAX_LOGICAL_DRIVES_EXT - 1)))
823 
824 
825 /*
826  * SAS controller properties
827  */
828 struct megasas_ctrl_prop {
829 
830 	u16 seq_num;
831 	u16 pred_fail_poll_interval;
832 	u16 intr_throttle_count;
833 	u16 intr_throttle_timeouts;
834 	u8 rebuild_rate;
835 	u8 patrol_read_rate;
836 	u8 bgi_rate;
837 	u8 cc_rate;
838 	u8 recon_rate;
839 	u8 cache_flush_interval;
840 	u8 spinup_drv_count;
841 	u8 spinup_delay;
842 	u8 cluster_enable;
843 	u8 coercion_mode;
844 	u8 alarm_enable;
845 	u8 disable_auto_rebuild;
846 	u8 disable_battery_warn;
847 	u8 ecc_bucket_size;
848 	u16 ecc_bucket_leak_rate;
849 	u8 restore_hotspare_on_insertion;
850 	u8 expose_encl_devices;
851 	u8 maintainPdFailHistory;
852 	u8 disallowHostRequestReordering;
853 	u8 abortCCOnError;
854 	u8 loadBalanceMode;
855 	u8 disableAutoDetectBackplane;
856 
857 	u8 snapVDSpace;
858 
859 	/*
860 	* Add properties that can be controlled by
861 	* a bit in the following structure.
862 	*/
863 	struct {
864 #if   defined(__BIG_ENDIAN_BITFIELD)
865 		u32     reserved:18;
866 		u32     enableJBOD:1;
867 		u32     disableSpinDownHS:1;
868 		u32     allowBootWithPinnedCache:1;
869 		u32     disableOnlineCtrlReset:1;
870 		u32     enableSecretKeyControl:1;
871 		u32     autoEnhancedImport:1;
872 		u32     enableSpinDownUnconfigured:1;
873 		u32     SSDPatrolReadEnabled:1;
874 		u32     SSDSMARTerEnabled:1;
875 		u32     disableNCQ:1;
876 		u32     useFdeOnly:1;
877 		u32     prCorrectUnconfiguredAreas:1;
878 		u32     SMARTerEnabled:1;
879 		u32     copyBackDisabled:1;
880 #else
881 		u32     copyBackDisabled:1;
882 		u32     SMARTerEnabled:1;
883 		u32     prCorrectUnconfiguredAreas:1;
884 		u32     useFdeOnly:1;
885 		u32     disableNCQ:1;
886 		u32     SSDSMARTerEnabled:1;
887 		u32     SSDPatrolReadEnabled:1;
888 		u32     enableSpinDownUnconfigured:1;
889 		u32     autoEnhancedImport:1;
890 		u32     enableSecretKeyControl:1;
891 		u32     disableOnlineCtrlReset:1;
892 		u32     allowBootWithPinnedCache:1;
893 		u32     disableSpinDownHS:1;
894 		u32     enableJBOD:1;
895 		u32     reserved:18;
896 #endif
897 	} OnOffProperties;
898 
899 	union {
900 		u8 autoSnapVDSpace;
901 		u8 viewSpace;
902 		struct {
903 #if   defined(__BIG_ENDIAN_BITFIELD)
904 			u16 reserved3:9;
905 			u16 enable_fw_dev_list:1;
906 			u16 reserved2:1;
907 			u16 enable_snap_dump:1;
908 			u16 reserved1:4;
909 #else
910 			u16 reserved1:4;
911 			u16 enable_snap_dump:1;
912 			u16 reserved2:1;
913 			u16 enable_fw_dev_list:1;
914 			u16 reserved3:9;
915 #endif
916 		} on_off_properties2;
917 	};
918 	__le16 spinDownTime;
919 	u8  reserved[24];
920 } __packed;
921 
922 /*
923  * SAS controller information
924  */
925 struct megasas_ctrl_info {
926 
927 	/*
928 	 * PCI device information
929 	 */
930 	struct {
931 
932 		__le16 vendor_id;
933 		__le16 device_id;
934 		__le16 sub_vendor_id;
935 		__le16 sub_device_id;
936 		u8 reserved[24];
937 
938 	} __attribute__ ((packed)) pci;
939 
940 	/*
941 	 * Host interface information
942 	 */
943 	struct {
944 
945 		u8 PCIX:1;
946 		u8 PCIE:1;
947 		u8 iSCSI:1;
948 		u8 SAS_3G:1;
949 		u8 SRIOV:1;
950 		u8 reserved_0:3;
951 		u8 reserved_1[6];
952 		u8 port_count;
953 		u64 port_addr[8];
954 
955 	} __attribute__ ((packed)) host_interface;
956 
957 	/*
958 	 * Device (backend) interface information
959 	 */
960 	struct {
961 
962 		u8 SPI:1;
963 		u8 SAS_3G:1;
964 		u8 SATA_1_5G:1;
965 		u8 SATA_3G:1;
966 		u8 reserved_0:4;
967 		u8 reserved_1[6];
968 		u8 port_count;
969 		u64 port_addr[8];
970 
971 	} __attribute__ ((packed)) device_interface;
972 
973 	/*
974 	 * List of components residing in flash. All str are null terminated
975 	 */
976 	__le32 image_check_word;
977 	__le32 image_component_count;
978 
979 	struct {
980 
981 		char name[8];
982 		char version[32];
983 		char build_date[16];
984 		char built_time[16];
985 
986 	} __attribute__ ((packed)) image_component[8];
987 
988 	/*
989 	 * List of flash components that have been flashed on the card, but
990 	 * are not in use, pending reset of the adapter. This list will be
991 	 * empty if a flash operation has not occurred. All stings are null
992 	 * terminated
993 	 */
994 	__le32 pending_image_component_count;
995 
996 	struct {
997 
998 		char name[8];
999 		char version[32];
1000 		char build_date[16];
1001 		char build_time[16];
1002 
1003 	} __attribute__ ((packed)) pending_image_component[8];
1004 
1005 	u8 max_arms;
1006 	u8 max_spans;
1007 	u8 max_arrays;
1008 	u8 max_lds;
1009 
1010 	char product_name[80];
1011 	char serial_no[32];
1012 
1013 	/*
1014 	 * Other physical/controller/operation information. Indicates the
1015 	 * presence of the hardware
1016 	 */
1017 	struct {
1018 
1019 		u32 bbu:1;
1020 		u32 alarm:1;
1021 		u32 nvram:1;
1022 		u32 uart:1;
1023 		u32 reserved:28;
1024 
1025 	} __attribute__ ((packed)) hw_present;
1026 
1027 	__le32 current_fw_time;
1028 
1029 	/*
1030 	 * Maximum data transfer sizes
1031 	 */
1032 	__le16 max_concurrent_cmds;
1033 	__le16 max_sge_count;
1034 	__le32 max_request_size;
1035 
1036 	/*
1037 	 * Logical and physical device counts
1038 	 */
1039 	__le16 ld_present_count;
1040 	__le16 ld_degraded_count;
1041 	__le16 ld_offline_count;
1042 
1043 	__le16 pd_present_count;
1044 	__le16 pd_disk_present_count;
1045 	__le16 pd_disk_pred_failure_count;
1046 	__le16 pd_disk_failed_count;
1047 
1048 	/*
1049 	 * Memory size information
1050 	 */
1051 	__le16 nvram_size;
1052 	__le16 memory_size;
1053 	__le16 flash_size;
1054 
1055 	/*
1056 	 * Error counters
1057 	 */
1058 	__le16 mem_correctable_error_count;
1059 	__le16 mem_uncorrectable_error_count;
1060 
1061 	/*
1062 	 * Cluster information
1063 	 */
1064 	u8 cluster_permitted;
1065 	u8 cluster_active;
1066 
1067 	/*
1068 	 * Additional max data transfer sizes
1069 	 */
1070 	__le16 max_strips_per_io;
1071 
1072 	/*
1073 	 * Controller capabilities structures
1074 	 */
1075 	struct {
1076 
1077 		u32 raid_level_0:1;
1078 		u32 raid_level_1:1;
1079 		u32 raid_level_5:1;
1080 		u32 raid_level_1E:1;
1081 		u32 raid_level_6:1;
1082 		u32 reserved:27;
1083 
1084 	} __attribute__ ((packed)) raid_levels;
1085 
1086 	struct {
1087 
1088 		u32 rbld_rate:1;
1089 		u32 cc_rate:1;
1090 		u32 bgi_rate:1;
1091 		u32 recon_rate:1;
1092 		u32 patrol_rate:1;
1093 		u32 alarm_control:1;
1094 		u32 cluster_supported:1;
1095 		u32 bbu:1;
1096 		u32 spanning_allowed:1;
1097 		u32 dedicated_hotspares:1;
1098 		u32 revertible_hotspares:1;
1099 		u32 foreign_config_import:1;
1100 		u32 self_diagnostic:1;
1101 		u32 mixed_redundancy_arr:1;
1102 		u32 global_hot_spares:1;
1103 		u32 reserved:17;
1104 
1105 	} __attribute__ ((packed)) adapter_operations;
1106 
1107 	struct {
1108 
1109 		u32 read_policy:1;
1110 		u32 write_policy:1;
1111 		u32 io_policy:1;
1112 		u32 access_policy:1;
1113 		u32 disk_cache_policy:1;
1114 		u32 reserved:27;
1115 
1116 	} __attribute__ ((packed)) ld_operations;
1117 
1118 	struct {
1119 
1120 		u8 min;
1121 		u8 max;
1122 		u8 reserved[2];
1123 
1124 	} __attribute__ ((packed)) stripe_sz_ops;
1125 
1126 	struct {
1127 
1128 		u32 force_online:1;
1129 		u32 force_offline:1;
1130 		u32 force_rebuild:1;
1131 		u32 reserved:29;
1132 
1133 	} __attribute__ ((packed)) pd_operations;
1134 
1135 	struct {
1136 
1137 		u32 ctrl_supports_sas:1;
1138 		u32 ctrl_supports_sata:1;
1139 		u32 allow_mix_in_encl:1;
1140 		u32 allow_mix_in_ld:1;
1141 		u32 allow_sata_in_cluster:1;
1142 		u32 reserved:27;
1143 
1144 	} __attribute__ ((packed)) pd_mix_support;
1145 
1146 	/*
1147 	 * Define ECC single-bit-error bucket information
1148 	 */
1149 	u8 ecc_bucket_count;
1150 	u8 reserved_2[11];
1151 
1152 	/*
1153 	 * Include the controller properties (changeable items)
1154 	 */
1155 	struct megasas_ctrl_prop properties;
1156 
1157 	/*
1158 	 * Define FW pkg version (set in envt v'bles on OEM basis)
1159 	 */
1160 	char package_version[0x60];
1161 
1162 
1163 	/*
1164 	* If adapterOperations.supportMoreThan8Phys is set,
1165 	* and deviceInterface.portCount is greater than 8,
1166 	* SAS Addrs for first 8 ports shall be populated in
1167 	* deviceInterface.portAddr, and the rest shall be
1168 	* populated in deviceInterfacePortAddr2.
1169 	*/
1170 	__le64	    deviceInterfacePortAddr2[8]; /*6a0h */
1171 	u8          reserved3[128];              /*6e0h */
1172 
1173 	struct {                                /*760h */
1174 		u16 minPdRaidLevel_0:4;
1175 		u16 maxPdRaidLevel_0:12;
1176 
1177 		u16 minPdRaidLevel_1:4;
1178 		u16 maxPdRaidLevel_1:12;
1179 
1180 		u16 minPdRaidLevel_5:4;
1181 		u16 maxPdRaidLevel_5:12;
1182 
1183 		u16 minPdRaidLevel_1E:4;
1184 		u16 maxPdRaidLevel_1E:12;
1185 
1186 		u16 minPdRaidLevel_6:4;
1187 		u16 maxPdRaidLevel_6:12;
1188 
1189 		u16 minPdRaidLevel_10:4;
1190 		u16 maxPdRaidLevel_10:12;
1191 
1192 		u16 minPdRaidLevel_50:4;
1193 		u16 maxPdRaidLevel_50:12;
1194 
1195 		u16 minPdRaidLevel_60:4;
1196 		u16 maxPdRaidLevel_60:12;
1197 
1198 		u16 minPdRaidLevel_1E_RLQ0:4;
1199 		u16 maxPdRaidLevel_1E_RLQ0:12;
1200 
1201 		u16 minPdRaidLevel_1E0_RLQ0:4;
1202 		u16 maxPdRaidLevel_1E0_RLQ0:12;
1203 
1204 		u16 reserved[6];
1205 	} pdsForRaidLevels;
1206 
1207 	__le16 maxPds;                          /*780h */
1208 	__le16 maxDedHSPs;                      /*782h */
1209 	__le16 maxGlobalHSP;                    /*784h */
1210 	__le16 ddfSize;                         /*786h */
1211 	u8  maxLdsPerArray;                     /*788h */
1212 	u8  partitionsInDDF;                    /*789h */
1213 	u8  lockKeyBinding;                     /*78ah */
1214 	u8  maxPITsPerLd;                       /*78bh */
1215 	u8  maxViewsPerLd;                      /*78ch */
1216 	u8  maxTargetId;                        /*78dh */
1217 	__le16 maxBvlVdSize;                    /*78eh */
1218 
1219 	__le16 maxConfigurableSSCSize;          /*790h */
1220 	__le16 currentSSCsize;                  /*792h */
1221 
1222 	char    expanderFwVersion[12];          /*794h */
1223 
1224 	__le16 PFKTrialTimeRemaining;           /*7A0h */
1225 
1226 	__le16 cacheMemorySize;                 /*7A2h */
1227 
1228 	struct {                                /*7A4h */
1229 #if   defined(__BIG_ENDIAN_BITFIELD)
1230 		u32     reserved:5;
1231 		u32	activePassive:2;
1232 		u32	supportConfigAutoBalance:1;
1233 		u32	mpio:1;
1234 		u32	supportDataLDonSSCArray:1;
1235 		u32	supportPointInTimeProgress:1;
1236 		u32     supportUnevenSpans:1;
1237 		u32     dedicatedHotSparesLimited:1;
1238 		u32     headlessMode:1;
1239 		u32     supportEmulatedDrives:1;
1240 		u32     supportResetNow:1;
1241 		u32     realTimeScheduler:1;
1242 		u32     supportSSDPatrolRead:1;
1243 		u32     supportPerfTuning:1;
1244 		u32     disableOnlinePFKChange:1;
1245 		u32     supportJBOD:1;
1246 		u32     supportBootTimePFKChange:1;
1247 		u32     supportSetLinkSpeed:1;
1248 		u32     supportEmergencySpares:1;
1249 		u32     supportSuspendResumeBGops:1;
1250 		u32     blockSSDWriteCacheChange:1;
1251 		u32     supportShieldState:1;
1252 		u32     supportLdBBMInfo:1;
1253 		u32     supportLdPIType3:1;
1254 		u32     supportLdPIType2:1;
1255 		u32     supportLdPIType1:1;
1256 		u32     supportPIcontroller:1;
1257 #else
1258 		u32     supportPIcontroller:1;
1259 		u32     supportLdPIType1:1;
1260 		u32     supportLdPIType2:1;
1261 		u32     supportLdPIType3:1;
1262 		u32     supportLdBBMInfo:1;
1263 		u32     supportShieldState:1;
1264 		u32     blockSSDWriteCacheChange:1;
1265 		u32     supportSuspendResumeBGops:1;
1266 		u32     supportEmergencySpares:1;
1267 		u32     supportSetLinkSpeed:1;
1268 		u32     supportBootTimePFKChange:1;
1269 		u32     supportJBOD:1;
1270 		u32     disableOnlinePFKChange:1;
1271 		u32     supportPerfTuning:1;
1272 		u32     supportSSDPatrolRead:1;
1273 		u32     realTimeScheduler:1;
1274 
1275 		u32     supportResetNow:1;
1276 		u32     supportEmulatedDrives:1;
1277 		u32     headlessMode:1;
1278 		u32     dedicatedHotSparesLimited:1;
1279 
1280 
1281 		u32     supportUnevenSpans:1;
1282 		u32	supportPointInTimeProgress:1;
1283 		u32	supportDataLDonSSCArray:1;
1284 		u32	mpio:1;
1285 		u32	supportConfigAutoBalance:1;
1286 		u32	activePassive:2;
1287 		u32     reserved:5;
1288 #endif
1289 	} adapterOperations2;
1290 
1291 	u8  driverVersion[32];                  /*7A8h */
1292 	u8  maxDAPdCountSpinup60;               /*7C8h */
1293 	u8  temperatureROC;                     /*7C9h */
1294 	u8  temperatureCtrl;                    /*7CAh */
1295 	u8  reserved4;                          /*7CBh */
1296 	__le16 maxConfigurablePds;              /*7CCh */
1297 
1298 
1299 	u8  reserved5[2];                       /*0x7CDh */
1300 
1301 	/*
1302 	* HA cluster information
1303 	*/
1304 	struct {
1305 #if defined(__BIG_ENDIAN_BITFIELD)
1306 		u32     reserved:25;
1307 		u32     passive:1;
1308 		u32     premiumFeatureMismatch:1;
1309 		u32     ctrlPropIncompatible:1;
1310 		u32     fwVersionMismatch:1;
1311 		u32     hwIncompatible:1;
1312 		u32     peerIsIncompatible:1;
1313 		u32     peerIsPresent:1;
1314 #else
1315 		u32     peerIsPresent:1;
1316 		u32     peerIsIncompatible:1;
1317 		u32     hwIncompatible:1;
1318 		u32     fwVersionMismatch:1;
1319 		u32     ctrlPropIncompatible:1;
1320 		u32     premiumFeatureMismatch:1;
1321 		u32     passive:1;
1322 		u32     reserved:25;
1323 #endif
1324 	} cluster;
1325 
1326 	char clusterId[MEGASAS_CLUSTER_ID_SIZE]; /*0x7D4 */
1327 	struct {
1328 		u8  maxVFsSupported;            /*0x7E4*/
1329 		u8  numVFsEnabled;              /*0x7E5*/
1330 		u8  requestorId;                /*0x7E6 0:PF, 1:VF1, 2:VF2*/
1331 		u8  reserved;                   /*0x7E7*/
1332 	} iov;
1333 
1334 	struct {
1335 #if defined(__BIG_ENDIAN_BITFIELD)
1336 		u32     reserved:7;
1337 		u32     useSeqNumJbodFP:1;
1338 		u32     supportExtendedSSCSize:1;
1339 		u32     supportDiskCacheSettingForSysPDs:1;
1340 		u32     supportCPLDUpdate:1;
1341 		u32     supportTTYLogCompression:1;
1342 		u32     discardCacheDuringLDDelete:1;
1343 		u32     supportSecurityonJBOD:1;
1344 		u32     supportCacheBypassModes:1;
1345 		u32     supportDisableSESMonitoring:1;
1346 		u32     supportForceFlash:1;
1347 		u32     supportNVDRAM:1;
1348 		u32     supportDrvActivityLEDSetting:1;
1349 		u32     supportAllowedOpsforDrvRemoval:1;
1350 		u32     supportHOQRebuild:1;
1351 		u32     supportForceTo512e:1;
1352 		u32     supportNVCacheErase:1;
1353 		u32     supportDebugQueue:1;
1354 		u32     supportSwZone:1;
1355 		u32     supportCrashDump:1;
1356 		u32     supportMaxExtLDs:1;
1357 		u32     supportT10RebuildAssist:1;
1358 		u32     supportDisableImmediateIO:1;
1359 		u32     supportThermalPollInterval:1;
1360 		u32     supportPersonalityChange:2;
1361 #else
1362 		u32     supportPersonalityChange:2;
1363 		u32     supportThermalPollInterval:1;
1364 		u32     supportDisableImmediateIO:1;
1365 		u32     supportT10RebuildAssist:1;
1366 		u32	supportMaxExtLDs:1;
1367 		u32	supportCrashDump:1;
1368 		u32     supportSwZone:1;
1369 		u32     supportDebugQueue:1;
1370 		u32     supportNVCacheErase:1;
1371 		u32     supportForceTo512e:1;
1372 		u32     supportHOQRebuild:1;
1373 		u32     supportAllowedOpsforDrvRemoval:1;
1374 		u32     supportDrvActivityLEDSetting:1;
1375 		u32     supportNVDRAM:1;
1376 		u32     supportForceFlash:1;
1377 		u32     supportDisableSESMonitoring:1;
1378 		u32     supportCacheBypassModes:1;
1379 		u32     supportSecurityonJBOD:1;
1380 		u32     discardCacheDuringLDDelete:1;
1381 		u32     supportTTYLogCompression:1;
1382 		u32     supportCPLDUpdate:1;
1383 		u32     supportDiskCacheSettingForSysPDs:1;
1384 		u32     supportExtendedSSCSize:1;
1385 		u32     useSeqNumJbodFP:1;
1386 		u32     reserved:7;
1387 #endif
1388 	} adapterOperations3;
1389 
1390 	struct {
1391 #if defined(__BIG_ENDIAN_BITFIELD)
1392 	u8 reserved:7;
1393 	/* Indicates whether the CPLD image is part of
1394 	 *  the package and stored in flash
1395 	 */
1396 	u8 cpld_in_flash:1;
1397 #else
1398 	u8 cpld_in_flash:1;
1399 	u8 reserved:7;
1400 #endif
1401 	u8 reserved1[3];
1402 	/* Null terminated string. Has the version
1403 	 *  information if cpld_in_flash = FALSE
1404 	 */
1405 	u8 userCodeDefinition[12];
1406 	} cpld;  /* Valid only if upgradableCPLD is TRUE */
1407 
1408 	struct {
1409 	#if defined(__BIG_ENDIAN_BITFIELD)
1410 		u16 reserved:2;
1411 		u16 support_nvme_passthru:1;
1412 		u16 support_pl_debug_info:1;
1413 		u16 support_flash_comp_info:1;
1414 		u16 support_host_info:1;
1415 		u16 support_dual_fw_update:1;
1416 		u16 support_ssc_rev3:1;
1417 		u16 fw_swaps_bbu_vpd_info:1;
1418 		u16 support_pd_map_target_id:1;
1419 		u16 support_ses_ctrl_in_multipathcfg:1;
1420 		u16 image_upload_supported:1;
1421 		u16 support_encrypted_mfc:1;
1422 		u16 supported_enc_algo:1;
1423 		u16 support_ibutton_less:1;
1424 		u16 ctrl_info_ext_supported:1;
1425 	#else
1426 
1427 		u16 ctrl_info_ext_supported:1;
1428 		u16 support_ibutton_less:1;
1429 		u16 supported_enc_algo:1;
1430 		u16 support_encrypted_mfc:1;
1431 		u16 image_upload_supported:1;
1432 		/* FW supports LUN based association and target port based */
1433 		u16 support_ses_ctrl_in_multipathcfg:1;
1434 		/* association for the SES device connected in multipath mode */
1435 		/* FW defines Jbod target Id within MR_PD_CFG_SEQ */
1436 		u16 support_pd_map_target_id:1;
1437 		/* FW swaps relevant fields in MR_BBU_VPD_INFO_FIXED to
1438 		 *  provide the data in little endian order
1439 		 */
1440 		u16 fw_swaps_bbu_vpd_info:1;
1441 		u16 support_ssc_rev3:1;
1442 		/* FW supports CacheCade 3.0, only one SSCD creation allowed */
1443 		u16 support_dual_fw_update:1;
1444 		/* FW supports dual firmware update feature */
1445 		u16 support_host_info:1;
1446 		/* FW supports MR_DCMD_CTRL_HOST_INFO_SET/GET */
1447 		u16 support_flash_comp_info:1;
1448 		/* FW supports MR_DCMD_CTRL_FLASH_COMP_INFO_GET */
1449 		u16 support_pl_debug_info:1;
1450 		/* FW supports retrieval of PL debug information through apps */
1451 		u16 support_nvme_passthru:1;
1452 		/* FW supports NVMe passthru commands */
1453 		u16 reserved:2;
1454 	#endif
1455 		} adapter_operations4;
1456 	u8 pad[0x800 - 0x7FE]; /* 0x7FE pad to 2K for expansion */
1457 
1458 	u32 size;
1459 	u32 pad1;
1460 
1461 	u8 reserved6[64];
1462 
1463 	struct {
1464 	#if defined(__BIG_ENDIAN_BITFIELD)
1465 		u32 reserved:19;
1466 		u32 support_pci_lane_margining: 1;
1467 		u32 support_psoc_update:1;
1468 		u32 support_force_personality_change:1;
1469 		u32 support_fde_type_mix:1;
1470 		u32 support_snap_dump:1;
1471 		u32 support_nvme_tm:1;
1472 		u32 support_oce_only:1;
1473 		u32 support_ext_mfg_vpd:1;
1474 		u32 support_pcie:1;
1475 		u32 support_cvhealth_info:1;
1476 		u32 support_profile_change:2;
1477 		u32 mr_config_ext2_supported:1;
1478 	#else
1479 		u32 mr_config_ext2_supported:1;
1480 		u32 support_profile_change:2;
1481 		u32 support_cvhealth_info:1;
1482 		u32 support_pcie:1;
1483 		u32 support_ext_mfg_vpd:1;
1484 		u32 support_oce_only:1;
1485 		u32 support_nvme_tm:1;
1486 		u32 support_snap_dump:1;
1487 		u32 support_fde_type_mix:1;
1488 		u32 support_force_personality_change:1;
1489 		u32 support_psoc_update:1;
1490 		u32 support_pci_lane_margining: 1;
1491 		u32 reserved:19;
1492 	#endif
1493 	} adapter_operations5;
1494 
1495 	u32 rsvdForAdptOp[63];
1496 
1497 	u8 reserved7[3];
1498 
1499 	u8 TaskAbortTO;	/* Timeout value in seconds used by Abort Task TM */
1500 	u8 MaxResetTO;	/* Max Supported Reset timeout in seconds. */
1501 	u8 reserved8[3];
1502 } __packed;
1503 
1504 /*
1505  * ===============================
1506  * MegaRAID SAS driver definitions
1507  * ===============================
1508  */
1509 #define MEGASAS_MAX_PD_CHANNELS			2
1510 #define MEGASAS_MAX_LD_CHANNELS			2
1511 #define MEGASAS_MAX_CHANNELS			(MEGASAS_MAX_PD_CHANNELS + \
1512 						MEGASAS_MAX_LD_CHANNELS)
1513 #define MEGASAS_MAX_DEV_PER_CHANNEL		128
1514 #define MEGASAS_DEFAULT_INIT_ID			-1
1515 #define MEGASAS_MAX_LUN				8
1516 #define MEGASAS_DEFAULT_CMD_PER_LUN		256
1517 #define MEGASAS_MAX_PD                          (MEGASAS_MAX_PD_CHANNELS * \
1518 						MEGASAS_MAX_DEV_PER_CHANNEL)
1519 #define MEGASAS_MAX_LD_IDS			(MEGASAS_MAX_LD_CHANNELS * \
1520 						MEGASAS_MAX_DEV_PER_CHANNEL)
1521 
1522 #define MEGASAS_MAX_SUPPORTED_LD_IDS		240
1523 
1524 #define MEGASAS_MAX_SECTORS                    (2*1024)
1525 #define MEGASAS_MAX_SECTORS_IEEE		(2*128)
1526 #define MEGASAS_DBG_LVL				1
1527 
1528 #define MEGASAS_FW_BUSY				1
1529 
1530 /* Driver's internal Logging levels*/
1531 #define OCR_DEBUG    (1 << 0)
1532 #define TM_DEBUG     (1 << 1)
1533 #define LD_PD_DEBUG    (1 << 2)
1534 
1535 #define SCAN_PD_CHANNEL	0x1
1536 #define SCAN_VD_CHANNEL	0x2
1537 
1538 #define MEGASAS_KDUMP_QUEUE_DEPTH               100
1539 #define MR_LARGE_IO_MIN_SIZE			(32 * 1024)
1540 #define MR_R1_LDIO_PIGGYBACK_DEFAULT		4
1541 
1542 enum MR_SCSI_CMD_TYPE {
1543 	READ_WRITE_LDIO = 0,
1544 	NON_READ_WRITE_LDIO = 1,
1545 	READ_WRITE_SYSPDIO = 2,
1546 	NON_READ_WRITE_SYSPDIO = 3,
1547 };
1548 
1549 enum DCMD_TIMEOUT_ACTION {
1550 	INITIATE_OCR = 0,
1551 	KILL_ADAPTER = 1,
1552 	IGNORE_TIMEOUT = 2,
1553 };
1554 
1555 enum FW_BOOT_CONTEXT {
1556 	PROBE_CONTEXT = 0,
1557 	OCR_CONTEXT = 1,
1558 };
1559 
1560 /* Frame Type */
1561 #define IO_FRAME				0
1562 #define PTHRU_FRAME				1
1563 
1564 /*
1565  * When SCSI mid-layer calls driver's reset routine, driver waits for
1566  * MEGASAS_RESET_WAIT_TIME seconds for all outstanding IO to complete. Note
1567  * that the driver cannot _actually_ abort or reset pending commands. While
1568  * it is waiting for the commands to complete, it prints a diagnostic message
1569  * every MEGASAS_RESET_NOTICE_INTERVAL seconds
1570  */
1571 #define MEGASAS_RESET_WAIT_TIME			180
1572 #define MEGASAS_INTERNAL_CMD_WAIT_TIME		180
1573 #define	MEGASAS_RESET_NOTICE_INTERVAL		5
1574 #define MEGASAS_IOCTL_CMD			0
1575 #define MEGASAS_DEFAULT_CMD_TIMEOUT		90
1576 #define MEGASAS_THROTTLE_QUEUE_DEPTH		16
1577 #define MEGASAS_DEFAULT_TM_TIMEOUT		50
1578 /*
1579  * FW reports the maximum of number of commands that it can accept (maximum
1580  * commands that can be outstanding) at any time. The driver must report a
1581  * lower number to the mid layer because it can issue a few internal commands
1582  * itself (E.g, AEN, abort cmd, IOCTLs etc). The number of commands it needs
1583  * is shown below
1584  */
1585 #define MEGASAS_INT_CMDS			32
1586 #define MEGASAS_SKINNY_INT_CMDS			5
1587 #define MEGASAS_FUSION_INTERNAL_CMDS		8
1588 #define MEGASAS_FUSION_IOCTL_CMDS		3
1589 #define MEGASAS_MFI_IOCTL_CMDS			27
1590 
1591 #define MEGASAS_MAX_MSIX_QUEUES			128
1592 /*
1593  * FW can accept both 32 and 64 bit SGLs. We want to allocate 32/64 bit
1594  * SGLs based on the size of dma_addr_t
1595  */
1596 #define IS_DMA64				(sizeof(dma_addr_t) == 8)
1597 
1598 #define MFI_XSCALE_OMR0_CHANGE_INTERRUPT		0x00000001
1599 
1600 #define MFI_INTR_FLAG_REPLY_MESSAGE			0x00000001
1601 #define MFI_INTR_FLAG_FIRMWARE_STATE_CHANGE		0x00000002
1602 #define MFI_G2_OUTBOUND_DOORBELL_CHANGE_INTERRUPT	0x00000004
1603 
1604 #define MFI_OB_INTR_STATUS_MASK			0x00000002
1605 #define MFI_POLL_TIMEOUT_SECS			60
1606 #define MFI_IO_TIMEOUT_SECS			180
1607 #define MEGASAS_SRIOV_HEARTBEAT_INTERVAL_VF	(5 * HZ)
1608 #define MEGASAS_OCR_SETTLE_TIME_VF		(1000 * 30)
1609 #define MEGASAS_SRIOV_MAX_RESET_TRIES_VF	1
1610 #define MEGASAS_ROUTINE_WAIT_TIME_VF		300
1611 #define MFI_REPLY_1078_MESSAGE_INTERRUPT	0x80000000
1612 #define MFI_REPLY_GEN2_MESSAGE_INTERRUPT	0x00000001
1613 #define MFI_GEN2_ENABLE_INTERRUPT_MASK		(0x00000001 | 0x00000004)
1614 #define MFI_REPLY_SKINNY_MESSAGE_INTERRUPT	0x40000000
1615 #define MFI_SKINNY_ENABLE_INTERRUPT_MASK	(0x00000001)
1616 
1617 #define MFI_1068_PCSR_OFFSET			0x84
1618 #define MFI_1068_FW_HANDSHAKE_OFFSET		0x64
1619 #define MFI_1068_FW_READY			0xDDDD0000
1620 
1621 #define MR_MAX_REPLY_QUEUES_OFFSET              0X0000001F
1622 #define MR_MAX_REPLY_QUEUES_EXT_OFFSET          0X003FC000
1623 #define MR_MAX_REPLY_QUEUES_EXT_OFFSET_SHIFT    14
1624 #define MR_MAX_MSIX_REG_ARRAY                   16
1625 #define MR_RDPQ_MODE_OFFSET			0X00800000
1626 
1627 #define MR_MAX_RAID_MAP_SIZE_OFFSET_SHIFT	16
1628 #define MR_MAX_RAID_MAP_SIZE_MASK		0x1FF
1629 #define MR_MIN_MAP_SIZE				0x10000
1630 /* 64k */
1631 
1632 #define MR_CAN_HANDLE_SYNC_CACHE_OFFSET		0X01000000
1633 
1634 #define MR_ATOMIC_DESCRIPTOR_SUPPORT_OFFSET	(1 << 24)
1635 
1636 #define MR_CAN_HANDLE_64_BIT_DMA_OFFSET		(1 << 25)
1637 #define MR_INTR_COALESCING_SUPPORT_OFFSET	(1 << 26)
1638 
1639 #define MEGASAS_WATCHDOG_THREAD_INTERVAL	1000
1640 #define MEGASAS_WAIT_FOR_NEXT_DMA_MSECS		20
1641 #define MEGASAS_WATCHDOG_WAIT_COUNT		50
1642 
1643 enum MR_ADAPTER_TYPE {
1644 	MFI_SERIES = 1,
1645 	THUNDERBOLT_SERIES = 2,
1646 	INVADER_SERIES = 3,
1647 	VENTURA_SERIES = 4,
1648 	AERO_SERIES = 5,
1649 };
1650 
1651 /*
1652 * register set for both 1068 and 1078 controllers
1653 * structure extended for 1078 registers
1654 */
1655 
1656 struct megasas_register_set {
1657 	u32	doorbell;                       /*0000h*/
1658 	u32	fusion_seq_offset;		/*0004h*/
1659 	u32	fusion_host_diag;		/*0008h*/
1660 	u32	reserved_01;			/*000Ch*/
1661 
1662 	u32 	inbound_msg_0;			/*0010h*/
1663 	u32 	inbound_msg_1;			/*0014h*/
1664 	u32 	outbound_msg_0;			/*0018h*/
1665 	u32 	outbound_msg_1;			/*001Ch*/
1666 
1667 	u32 	inbound_doorbell;		/*0020h*/
1668 	u32 	inbound_intr_status;		/*0024h*/
1669 	u32 	inbound_intr_mask;		/*0028h*/
1670 
1671 	u32 	outbound_doorbell;		/*002Ch*/
1672 	u32 	outbound_intr_status;		/*0030h*/
1673 	u32 	outbound_intr_mask;		/*0034h*/
1674 
1675 	u32 	reserved_1[2];			/*0038h*/
1676 
1677 	u32 	inbound_queue_port;		/*0040h*/
1678 	u32 	outbound_queue_port;		/*0044h*/
1679 
1680 	u32	reserved_2[9];			/*0048h*/
1681 	u32	reply_post_host_index;		/*006Ch*/
1682 	u32	reserved_2_2[12];		/*0070h*/
1683 
1684 	u32 	outbound_doorbell_clear;	/*00A0h*/
1685 
1686 	u32 	reserved_3[3];			/*00A4h*/
1687 
1688 	u32	outbound_scratch_pad_0;		/*00B0h*/
1689 	u32	outbound_scratch_pad_1;         /*00B4h*/
1690 	u32	outbound_scratch_pad_2;         /*00B8h*/
1691 	u32	outbound_scratch_pad_3;         /*00BCh*/
1692 
1693 	u32 	inbound_low_queue_port ;	/*00C0h*/
1694 
1695 	u32 	inbound_high_queue_port ;	/*00C4h*/
1696 
1697 	u32 inbound_single_queue_port;	/*00C8h*/
1698 	u32	res_6[11];			/*CCh*/
1699 	u32	host_diag;
1700 	u32	seq_offset;
1701 	u32 	index_registers[807];		/*00CCh*/
1702 } __attribute__ ((packed));
1703 
1704 struct megasas_sge32 {
1705 
1706 	__le32 phys_addr;
1707 	__le32 length;
1708 
1709 } __attribute__ ((packed));
1710 
1711 struct megasas_sge64 {
1712 
1713 	__le64 phys_addr;
1714 	__le32 length;
1715 
1716 } __attribute__ ((packed));
1717 
1718 struct megasas_sge_skinny {
1719 	__le64 phys_addr;
1720 	__le32 length;
1721 	__le32 flag;
1722 } __packed;
1723 
1724 union megasas_sgl {
1725 	DECLARE_FLEX_ARRAY(struct megasas_sge32, sge32);
1726 	DECLARE_FLEX_ARRAY(struct megasas_sge64, sge64);
1727 	DECLARE_FLEX_ARRAY(struct megasas_sge_skinny, sge_skinny);
1728 } __attribute__ ((packed));
1729 
1730 struct megasas_header {
1731 
1732 	u8 cmd;			/*00h */
1733 	u8 sense_len;		/*01h */
1734 	u8 cmd_status;		/*02h */
1735 	u8 scsi_status;		/*03h */
1736 
1737 	u8 target_id;		/*04h */
1738 	u8 lun;			/*05h */
1739 	u8 cdb_len;		/*06h */
1740 	u8 sge_count;		/*07h */
1741 
1742 	__le32 context;		/*08h */
1743 	__le32 pad_0;		/*0Ch */
1744 
1745 	__le16 flags;		/*10h */
1746 	__le16 timeout;		/*12h */
1747 	__le32 data_xferlen;	/*14h */
1748 
1749 } __attribute__ ((packed));
1750 
1751 union megasas_sgl_frame {
1752 
1753 	struct megasas_sge32 sge32[8];
1754 	struct megasas_sge64 sge64[5];
1755 
1756 } __attribute__ ((packed));
1757 
1758 typedef union _MFI_CAPABILITIES {
1759 	struct {
1760 #if   defined(__BIG_ENDIAN_BITFIELD)
1761 	u32     reserved:15;
1762 	u32	support_memdump:1;
1763 	u32	support_fw_exposed_dev_list:1;
1764 	u32	support_nvme_passthru:1;
1765 	u32     support_64bit_mode:1;
1766 	u32 support_pd_map_target_id:1;
1767 	u32     support_qd_throttling:1;
1768 	u32     support_fp_rlbypass:1;
1769 	u32     support_vfid_in_ioframe:1;
1770 	u32     support_ext_io_size:1;
1771 	u32		support_ext_queue_depth:1;
1772 	u32     security_protocol_cmds_fw:1;
1773 	u32     support_core_affinity:1;
1774 	u32     support_ndrive_r1_lb:1;
1775 	u32		support_max_255lds:1;
1776 	u32		support_fastpath_wb:1;
1777 	u32     support_additional_msix:1;
1778 	u32     support_fp_remote_lun:1;
1779 #else
1780 	u32     support_fp_remote_lun:1;
1781 	u32     support_additional_msix:1;
1782 	u32		support_fastpath_wb:1;
1783 	u32		support_max_255lds:1;
1784 	u32     support_ndrive_r1_lb:1;
1785 	u32     support_core_affinity:1;
1786 	u32     security_protocol_cmds_fw:1;
1787 	u32		support_ext_queue_depth:1;
1788 	u32     support_ext_io_size:1;
1789 	u32     support_vfid_in_ioframe:1;
1790 	u32     support_fp_rlbypass:1;
1791 	u32     support_qd_throttling:1;
1792 	u32	support_pd_map_target_id:1;
1793 	u32     support_64bit_mode:1;
1794 	u32	support_nvme_passthru:1;
1795 	u32	support_fw_exposed_dev_list:1;
1796 	u32	support_memdump:1;
1797 	u32     reserved:15;
1798 #endif
1799 	} mfi_capabilities;
1800 	__le32		reg;
1801 } MFI_CAPABILITIES;
1802 
1803 struct megasas_init_frame {
1804 
1805 	u8 cmd;			/*00h */
1806 	u8 reserved_0;		/*01h */
1807 	u8 cmd_status;		/*02h */
1808 
1809 	u8 reserved_1;		/*03h */
1810 	MFI_CAPABILITIES driver_operations; /*04h*/
1811 
1812 	__le32 context;		/*08h */
1813 	__le32 pad_0;		/*0Ch */
1814 
1815 	__le16 flags;		/*10h */
1816 	__le16 replyqueue_mask;		/*12h */
1817 	__le32 data_xfer_len;	/*14h */
1818 
1819 	__le32 queue_info_new_phys_addr_lo;	/*18h */
1820 	__le32 queue_info_new_phys_addr_hi;	/*1Ch */
1821 	__le32 queue_info_old_phys_addr_lo;	/*20h */
1822 	__le32 queue_info_old_phys_addr_hi;	/*24h */
1823 	__le32 reserved_4[2];	/*28h */
1824 	__le32 system_info_lo;      /*30h */
1825 	__le32 system_info_hi;      /*34h */
1826 	__le32 reserved_5[2];	/*38h */
1827 
1828 } __attribute__ ((packed));
1829 
1830 struct megasas_init_queue_info {
1831 
1832 	__le32 init_flags;		/*00h */
1833 	__le32 reply_queue_entries;	/*04h */
1834 
1835 	__le32 reply_queue_start_phys_addr_lo;	/*08h */
1836 	__le32 reply_queue_start_phys_addr_hi;	/*0Ch */
1837 	__le32 producer_index_phys_addr_lo;	/*10h */
1838 	__le32 producer_index_phys_addr_hi;	/*14h */
1839 	__le32 consumer_index_phys_addr_lo;	/*18h */
1840 	__le32 consumer_index_phys_addr_hi;	/*1Ch */
1841 
1842 } __attribute__ ((packed));
1843 
1844 struct megasas_io_frame {
1845 
1846 	u8 cmd;			/*00h */
1847 	u8 sense_len;		/*01h */
1848 	u8 cmd_status;		/*02h */
1849 	u8 scsi_status;		/*03h */
1850 
1851 	u8 target_id;		/*04h */
1852 	u8 access_byte;		/*05h */
1853 	u8 reserved_0;		/*06h */
1854 	u8 sge_count;		/*07h */
1855 
1856 	__le32 context;		/*08h */
1857 	__le32 pad_0;		/*0Ch */
1858 
1859 	__le16 flags;		/*10h */
1860 	__le16 timeout;		/*12h */
1861 	__le32 lba_count;	/*14h */
1862 
1863 	__le32 sense_buf_phys_addr_lo;	/*18h */
1864 	__le32 sense_buf_phys_addr_hi;	/*1Ch */
1865 
1866 	__le32 start_lba_lo;	/*20h */
1867 	__le32 start_lba_hi;	/*24h */
1868 
1869 	union megasas_sgl sgl;	/*28h */
1870 
1871 } __attribute__ ((packed));
1872 
1873 struct megasas_pthru_frame {
1874 
1875 	u8 cmd;			/*00h */
1876 	u8 sense_len;		/*01h */
1877 	u8 cmd_status;		/*02h */
1878 	u8 scsi_status;		/*03h */
1879 
1880 	u8 target_id;		/*04h */
1881 	u8 lun;			/*05h */
1882 	u8 cdb_len;		/*06h */
1883 	u8 sge_count;		/*07h */
1884 
1885 	__le32 context;		/*08h */
1886 	__le32 pad_0;		/*0Ch */
1887 
1888 	__le16 flags;		/*10h */
1889 	__le16 timeout;		/*12h */
1890 	__le32 data_xfer_len;	/*14h */
1891 
1892 	__le32 sense_buf_phys_addr_lo;	/*18h */
1893 	__le32 sense_buf_phys_addr_hi;	/*1Ch */
1894 
1895 	u8 cdb[16];		/*20h */
1896 	union megasas_sgl sgl;	/*30h */
1897 
1898 } __attribute__ ((packed));
1899 
1900 struct megasas_dcmd_frame {
1901 
1902 	u8 cmd;			/*00h */
1903 	u8 reserved_0;		/*01h */
1904 	u8 cmd_status;		/*02h */
1905 	u8 reserved_1[4];	/*03h */
1906 	u8 sge_count;		/*07h */
1907 
1908 	__le32 context;		/*08h */
1909 	__le32 pad_0;		/*0Ch */
1910 
1911 	__le16 flags;		/*10h */
1912 	__le16 timeout;		/*12h */
1913 
1914 	__le32 data_xfer_len;	/*14h */
1915 	__le32 opcode;		/*18h */
1916 
1917 	union {			/*1Ch */
1918 		u8 b[12];
1919 		__le16 s[6];
1920 		__le32 w[3];
1921 	} mbox;
1922 
1923 	union megasas_sgl sgl;	/*28h */
1924 
1925 } __attribute__ ((packed));
1926 
1927 struct megasas_abort_frame {
1928 
1929 	u8 cmd;			/*00h */
1930 	u8 reserved_0;		/*01h */
1931 	u8 cmd_status;		/*02h */
1932 
1933 	u8 reserved_1;		/*03h */
1934 	__le32 reserved_2;	/*04h */
1935 
1936 	__le32 context;		/*08h */
1937 	__le32 pad_0;		/*0Ch */
1938 
1939 	__le16 flags;		/*10h */
1940 	__le16 reserved_3;	/*12h */
1941 	__le32 reserved_4;	/*14h */
1942 
1943 	__le32 abort_context;	/*18h */
1944 	__le32 pad_1;		/*1Ch */
1945 
1946 	__le32 abort_mfi_phys_addr_lo;	/*20h */
1947 	__le32 abort_mfi_phys_addr_hi;	/*24h */
1948 
1949 	__le32 reserved_5[6];	/*28h */
1950 
1951 } __attribute__ ((packed));
1952 
1953 struct megasas_smp_frame {
1954 
1955 	u8 cmd;			/*00h */
1956 	u8 reserved_1;		/*01h */
1957 	u8 cmd_status;		/*02h */
1958 	u8 connection_status;	/*03h */
1959 
1960 	u8 reserved_2[3];	/*04h */
1961 	u8 sge_count;		/*07h */
1962 
1963 	__le32 context;		/*08h */
1964 	__le32 pad_0;		/*0Ch */
1965 
1966 	__le16 flags;		/*10h */
1967 	__le16 timeout;		/*12h */
1968 
1969 	__le32 data_xfer_len;	/*14h */
1970 	__le64 sas_addr;	/*18h */
1971 
1972 	union {
1973 		struct megasas_sge32 sge32[2];	/* [0]: resp [1]: req */
1974 		struct megasas_sge64 sge64[2];	/* [0]: resp [1]: req */
1975 	} sgl;
1976 
1977 } __attribute__ ((packed));
1978 
1979 struct megasas_stp_frame {
1980 
1981 	u8 cmd;			/*00h */
1982 	u8 reserved_1;		/*01h */
1983 	u8 cmd_status;		/*02h */
1984 	u8 reserved_2;		/*03h */
1985 
1986 	u8 target_id;		/*04h */
1987 	u8 reserved_3[2];	/*05h */
1988 	u8 sge_count;		/*07h */
1989 
1990 	__le32 context;		/*08h */
1991 	__le32 pad_0;		/*0Ch */
1992 
1993 	__le16 flags;		/*10h */
1994 	__le16 timeout;		/*12h */
1995 
1996 	__le32 data_xfer_len;	/*14h */
1997 
1998 	__le16 fis[10];		/*18h */
1999 	__le32 stp_flags;
2000 
2001 	union {
2002 		struct megasas_sge32 sge32[2];	/* [0]: resp [1]: data */
2003 		struct megasas_sge64 sge64[2];	/* [0]: resp [1]: data */
2004 	} sgl;
2005 
2006 } __attribute__ ((packed));
2007 
2008 union megasas_frame {
2009 
2010 	struct megasas_header hdr;
2011 	struct megasas_init_frame init;
2012 	struct megasas_io_frame io;
2013 	struct megasas_pthru_frame pthru;
2014 	struct megasas_dcmd_frame dcmd;
2015 	struct megasas_abort_frame abort;
2016 	struct megasas_smp_frame smp;
2017 	struct megasas_stp_frame stp;
2018 
2019 	u8 raw_bytes[64];
2020 };
2021 
2022 /**
2023  * struct MR_PRIV_DEVICE - sdev private hostdata
2024  * @is_tm_capable: firmware managed tm_capable flag
2025  * @tm_busy: TM request is in progress
2026  * @sdev_priv_busy: pending command per sdev
2027  */
2028 struct MR_PRIV_DEVICE {
2029 	bool is_tm_capable;
2030 	bool tm_busy;
2031 	atomic_t sdev_priv_busy;
2032 	atomic_t r1_ldio_hint;
2033 	u8 interface_type;
2034 	u8 task_abort_tmo;
2035 	u8 target_reset_tmo;
2036 };
2037 struct megasas_cmd;
2038 
2039 union megasas_evt_class_locale {
2040 
2041 	struct {
2042 #ifndef __BIG_ENDIAN_BITFIELD
2043 		u16 locale;
2044 		u8 reserved;
2045 		s8 class;
2046 #else
2047 		s8 class;
2048 		u8 reserved;
2049 		u16 locale;
2050 #endif
2051 	} __attribute__ ((packed)) members;
2052 
2053 	u32 word;
2054 
2055 } __attribute__ ((packed));
2056 
2057 struct megasas_evt_log_info {
2058 	__le32 newest_seq_num;
2059 	__le32 oldest_seq_num;
2060 	__le32 clear_seq_num;
2061 	__le32 shutdown_seq_num;
2062 	__le32 boot_seq_num;
2063 
2064 } __attribute__ ((packed));
2065 
2066 struct megasas_progress {
2067 
2068 	__le16 progress;
2069 	__le16 elapsed_seconds;
2070 
2071 } __attribute__ ((packed));
2072 
2073 struct megasas_evtarg_ld {
2074 
2075 	u16 target_id;
2076 	u8 ld_index;
2077 	u8 reserved;
2078 
2079 } __attribute__ ((packed));
2080 
2081 struct megasas_evtarg_pd {
2082 	u16 device_id;
2083 	u8 encl_index;
2084 	u8 slot_number;
2085 
2086 } __attribute__ ((packed));
2087 
2088 struct megasas_evt_detail {
2089 
2090 	__le32 seq_num;
2091 	__le32 time_stamp;
2092 	__le32 code;
2093 	union megasas_evt_class_locale cl;
2094 	u8 arg_type;
2095 	u8 reserved1[15];
2096 
2097 	union {
2098 		struct {
2099 			struct megasas_evtarg_pd pd;
2100 			u8 cdb_length;
2101 			u8 sense_length;
2102 			u8 reserved[2];
2103 			u8 cdb[16];
2104 			u8 sense[64];
2105 		} __attribute__ ((packed)) cdbSense;
2106 
2107 		struct megasas_evtarg_ld ld;
2108 
2109 		struct {
2110 			struct megasas_evtarg_ld ld;
2111 			__le64 count;
2112 		} __attribute__ ((packed)) ld_count;
2113 
2114 		struct {
2115 			__le64 lba;
2116 			struct megasas_evtarg_ld ld;
2117 		} __attribute__ ((packed)) ld_lba;
2118 
2119 		struct {
2120 			struct megasas_evtarg_ld ld;
2121 			__le32 prevOwner;
2122 			__le32 newOwner;
2123 		} __attribute__ ((packed)) ld_owner;
2124 
2125 		struct {
2126 			u64 ld_lba;
2127 			u64 pd_lba;
2128 			struct megasas_evtarg_ld ld;
2129 			struct megasas_evtarg_pd pd;
2130 		} __attribute__ ((packed)) ld_lba_pd_lba;
2131 
2132 		struct {
2133 			struct megasas_evtarg_ld ld;
2134 			struct megasas_progress prog;
2135 		} __attribute__ ((packed)) ld_prog;
2136 
2137 		struct {
2138 			struct megasas_evtarg_ld ld;
2139 			u32 prev_state;
2140 			u32 new_state;
2141 		} __attribute__ ((packed)) ld_state;
2142 
2143 		struct {
2144 			u64 strip;
2145 			struct megasas_evtarg_ld ld;
2146 		} __attribute__ ((packed)) ld_strip;
2147 
2148 		struct megasas_evtarg_pd pd;
2149 
2150 		struct {
2151 			struct megasas_evtarg_pd pd;
2152 			u32 err;
2153 		} __attribute__ ((packed)) pd_err;
2154 
2155 		struct {
2156 			u64 lba;
2157 			struct megasas_evtarg_pd pd;
2158 		} __attribute__ ((packed)) pd_lba;
2159 
2160 		struct {
2161 			u64 lba;
2162 			struct megasas_evtarg_pd pd;
2163 			struct megasas_evtarg_ld ld;
2164 		} __attribute__ ((packed)) pd_lba_ld;
2165 
2166 		struct {
2167 			struct megasas_evtarg_pd pd;
2168 			struct megasas_progress prog;
2169 		} __attribute__ ((packed)) pd_prog;
2170 
2171 		struct {
2172 			struct megasas_evtarg_pd pd;
2173 			u32 prevState;
2174 			u32 newState;
2175 		} __attribute__ ((packed)) pd_state;
2176 
2177 		struct {
2178 			u16 vendorId;
2179 			__le16 deviceId;
2180 			u16 subVendorId;
2181 			u16 subDeviceId;
2182 		} __attribute__ ((packed)) pci;
2183 
2184 		u32 rate;
2185 		char str[96];
2186 
2187 		struct {
2188 			u32 rtc;
2189 			u32 elapsedSeconds;
2190 		} __attribute__ ((packed)) time;
2191 
2192 		struct {
2193 			u32 ecar;
2194 			u32 elog;
2195 			char str[64];
2196 		} __attribute__ ((packed)) ecc;
2197 
2198 		u8 b[96];
2199 		__le16 s[48];
2200 		__le32 w[24];
2201 		__le64 d[12];
2202 	} args;
2203 
2204 	char description[128];
2205 
2206 } __attribute__ ((packed));
2207 
2208 struct megasas_aen_event {
2209 	struct delayed_work hotplug_work;
2210 	struct megasas_instance *instance;
2211 };
2212 
2213 struct megasas_irq_context {
2214 	char name[MEGASAS_MSIX_NAME_LEN];
2215 	struct megasas_instance *instance;
2216 	u32 MSIxIndex;
2217 	u32 os_irq;
2218 	struct irq_poll irqpoll;
2219 	bool irq_poll_scheduled;
2220 	bool irq_line_enable;
2221 	atomic_t   in_used;
2222 };
2223 
2224 struct MR_DRV_SYSTEM_INFO {
2225 	u8	infoVersion;
2226 	u8	systemIdLength;
2227 	u16	reserved0;
2228 	u8	systemId[64];
2229 	u8	reserved[1980];
2230 };
2231 
2232 enum MR_PD_TYPE {
2233 	UNKNOWN_DRIVE = 0,
2234 	PARALLEL_SCSI = 1,
2235 	SAS_PD = 2,
2236 	SATA_PD = 3,
2237 	FC_PD = 4,
2238 	NVME_PD = 5,
2239 };
2240 
2241 /* JBOD Queue depth definitions */
2242 #define MEGASAS_SATA_QD	32
2243 #define MEGASAS_SAS_QD 256
2244 #define MEGASAS_DEFAULT_PD_QD	64
2245 #define MEGASAS_NVME_QD        64
2246 
2247 #define MR_DEFAULT_NVME_PAGE_SIZE	4096
2248 #define MR_DEFAULT_NVME_PAGE_SHIFT	12
2249 #define MR_DEFAULT_NVME_MDTS_KB		128
2250 #define MR_NVME_PAGE_SIZE_MASK		0x000000FF
2251 
2252 /*Aero performance parameters*/
2253 #define MR_HIGH_IOPS_QUEUE_COUNT	8
2254 #define MR_DEVICE_HIGH_IOPS_DEPTH	8
2255 #define MR_HIGH_IOPS_BATCH_COUNT	16
2256 
2257 enum MR_PERF_MODE {
2258 	MR_BALANCED_PERF_MODE		= 0,
2259 	MR_IOPS_PERF_MODE		= 1,
2260 	MR_LATENCY_PERF_MODE		= 2,
2261 };
2262 
2263 #define MEGASAS_PERF_MODE_2STR(mode) \
2264 		((mode) == MR_BALANCED_PERF_MODE ? "Balanced" : \
2265 		 (mode) == MR_IOPS_PERF_MODE ? "IOPS" : \
2266 		 (mode) == MR_LATENCY_PERF_MODE ? "Latency" : \
2267 		 "Unknown")
2268 
2269 enum MEGASAS_LD_TARGET_ID_STATUS {
2270 	LD_TARGET_ID_INITIAL,
2271 	LD_TARGET_ID_ACTIVE,
2272 	LD_TARGET_ID_DELETED,
2273 };
2274 
2275 #define MEGASAS_TARGET_ID(sdev)						\
2276 	(((sdev->channel % 2) * MEGASAS_MAX_DEV_PER_CHANNEL) + sdev->id)
2277 
2278 struct megasas_instance {
2279 
2280 	unsigned int *reply_map;
2281 	__le32 *producer;
2282 	dma_addr_t producer_h;
2283 	__le32 *consumer;
2284 	dma_addr_t consumer_h;
2285 	struct MR_DRV_SYSTEM_INFO *system_info_buf;
2286 	dma_addr_t system_info_h;
2287 	struct MR_LD_VF_AFFILIATION *vf_affiliation;
2288 	dma_addr_t vf_affiliation_h;
2289 	struct MR_LD_VF_AFFILIATION_111 *vf_affiliation_111;
2290 	dma_addr_t vf_affiliation_111_h;
2291 	struct MR_CTRL_HB_HOST_MEM *hb_host_mem;
2292 	dma_addr_t hb_host_mem_h;
2293 	struct MR_PD_INFO *pd_info;
2294 	dma_addr_t pd_info_h;
2295 	struct MR_TARGET_PROPERTIES *tgt_prop;
2296 	dma_addr_t tgt_prop_h;
2297 
2298 	__le32 *reply_queue;
2299 	dma_addr_t reply_queue_h;
2300 
2301 	u32 *crash_dump_buf;
2302 	dma_addr_t crash_dump_h;
2303 
2304 	struct MR_PD_LIST *pd_list_buf;
2305 	dma_addr_t pd_list_buf_h;
2306 
2307 	struct megasas_ctrl_info *ctrl_info_buf;
2308 	dma_addr_t ctrl_info_buf_h;
2309 
2310 	struct MR_LD_LIST *ld_list_buf;
2311 	dma_addr_t ld_list_buf_h;
2312 
2313 	struct MR_LD_TARGETID_LIST *ld_targetid_list_buf;
2314 	dma_addr_t ld_targetid_list_buf_h;
2315 
2316 	struct MR_HOST_DEVICE_LIST *host_device_list_buf;
2317 	dma_addr_t host_device_list_buf_h;
2318 
2319 	struct MR_SNAPDUMP_PROPERTIES *snapdump_prop;
2320 	dma_addr_t snapdump_prop_h;
2321 
2322 	void *crash_buf[MAX_CRASH_DUMP_SIZE];
2323 	unsigned int    fw_crash_buffer_size;
2324 	unsigned int    fw_crash_state;
2325 	unsigned int    fw_crash_buffer_offset;
2326 	u32 drv_buf_index;
2327 	u32 drv_buf_alloc;
2328 	u32 crash_dump_fw_support;
2329 	u32 crash_dump_drv_support;
2330 	u32 crash_dump_app_support;
2331 	u32 secure_jbod_support;
2332 	u32 support_morethan256jbod; /* FW support for more than 256 PD/JBOD */
2333 	bool use_seqnum_jbod_fp;   /* Added for PD sequence */
2334 	bool smp_affinity_enable;
2335 	struct mutex crashdump_lock;
2336 
2337 	struct megasas_register_set __iomem *reg_set;
2338 	u32 __iomem *reply_post_host_index_addr[MR_MAX_MSIX_REG_ARRAY];
2339 	struct megasas_pd_list          pd_list[MEGASAS_MAX_PD];
2340 	struct megasas_pd_list          local_pd_list[MEGASAS_MAX_PD];
2341 	u8 ld_ids[MEGASAS_MAX_LD_IDS];
2342 	u8 ld_tgtid_status[MEGASAS_MAX_LD_IDS];
2343 	u8 ld_ids_prev[MEGASAS_MAX_LD_IDS];
2344 	u8 ld_ids_from_raidmap[MEGASAS_MAX_LD_IDS];
2345 	s8 init_id;
2346 
2347 	u16 max_num_sge;
2348 	u16 max_fw_cmds;
2349 	u16 max_mpt_cmds;
2350 	u16 max_mfi_cmds;
2351 	u16 max_scsi_cmds;
2352 	u16 ldio_threshold;
2353 	u16 cur_can_queue;
2354 	u32 max_sectors_per_req;
2355 	bool msix_load_balance;
2356 	struct megasas_aen_event *ev;
2357 
2358 	struct megasas_cmd **cmd_list;
2359 	struct list_head cmd_pool;
2360 	/* used to sync fire the cmd to fw */
2361 	spinlock_t mfi_pool_lock;
2362 	/* used to sync fire the cmd to fw */
2363 	spinlock_t hba_lock;
2364 	/* used to synch producer, consumer ptrs in dpc */
2365 	spinlock_t stream_lock;
2366 	spinlock_t completion_lock;
2367 	struct dma_pool *frame_dma_pool;
2368 	struct dma_pool *sense_dma_pool;
2369 
2370 	struct megasas_evt_detail *evt_detail;
2371 	dma_addr_t evt_detail_h;
2372 	struct megasas_cmd *aen_cmd;
2373 	struct semaphore ioctl_sem;
2374 
2375 	struct Scsi_Host *host;
2376 
2377 	wait_queue_head_t int_cmd_wait_q;
2378 	wait_queue_head_t abort_cmd_wait_q;
2379 
2380 	struct pci_dev *pdev;
2381 	u32 unique_id;
2382 	u32 fw_support_ieee;
2383 	u32 threshold_reply_count;
2384 
2385 	atomic_t fw_outstanding;
2386 	atomic_t ldio_outstanding;
2387 	atomic_t fw_reset_no_pci_access;
2388 	atomic64_t total_io_count;
2389 	atomic64_t high_iops_outstanding;
2390 
2391 	struct megasas_instance_template *instancet;
2392 	struct tasklet_struct isr_tasklet;
2393 	struct work_struct work_init;
2394 	struct delayed_work fw_fault_work;
2395 	struct workqueue_struct *fw_fault_work_q;
2396 	char fault_handler_work_q_name[48];
2397 
2398 	u8 flag;
2399 	u8 unload;
2400 	u8 flag_ieee;
2401 	u8 issuepend_done;
2402 	u8 disableOnlineCtrlReset;
2403 	u8 UnevenSpanSupport;
2404 
2405 	u8 supportmax256vd;
2406 	u8 pd_list_not_supported;
2407 	u16 fw_supported_vd_count;
2408 	u16 fw_supported_pd_count;
2409 
2410 	u16 drv_supported_vd_count;
2411 	u16 drv_supported_pd_count;
2412 
2413 	atomic_t adprecovery;
2414 	unsigned long last_time;
2415 	u32 mfiStatus;
2416 	u32 last_seq_num;
2417 
2418 	struct list_head internal_reset_pending_q;
2419 
2420 	/* Ptr to hba specific information */
2421 	void *ctrl_context;
2422 	unsigned int msix_vectors;
2423 	struct megasas_irq_context irq_context[MEGASAS_MAX_MSIX_QUEUES];
2424 	u64 map_id;
2425 	u64 pd_seq_map_id;
2426 	struct megasas_cmd *map_update_cmd;
2427 	struct megasas_cmd *jbod_seq_cmd;
2428 	unsigned long bar;
2429 	long reset_flags;
2430 	struct mutex reset_mutex;
2431 	struct timer_list sriov_heartbeat_timer;
2432 	char skip_heartbeat_timer_del;
2433 	u8 requestorId;
2434 	char PlasmaFW111;
2435 	char clusterId[MEGASAS_CLUSTER_ID_SIZE];
2436 	u8 peerIsPresent;
2437 	u8 passive;
2438 	u16 throttlequeuedepth;
2439 	u8 mask_interrupts;
2440 	u16 max_chain_frame_sz;
2441 	u8 is_imr;
2442 	u8 is_rdpq;
2443 	bool dev_handle;
2444 	bool fw_sync_cache_support;
2445 	u32 mfi_frame_size;
2446 	bool msix_combined;
2447 	u16 max_raid_mapsize;
2448 	/* preffered count to send as LDIO irrspective of FP capable.*/
2449 	u8  r1_ldio_hint_default;
2450 	u32 nvme_page_size;
2451 	u8 adapter_type;
2452 	bool consistent_mask_64bit;
2453 	bool support_nvme_passthru;
2454 	bool enable_sdev_max_qd;
2455 	u8 task_abort_tmo;
2456 	u8 max_reset_tmo;
2457 	u8 snapdump_wait_time;
2458 #ifdef CONFIG_DEBUG_FS
2459 	struct dentry *debugfs_root;
2460 	struct dentry *raidmap_dump;
2461 #endif
2462 	u8 enable_fw_dev_list;
2463 	bool atomic_desc_support;
2464 	bool support_seqnum_jbod_fp;
2465 	bool support_pci_lane_margining;
2466 	u8  low_latency_index_start;
2467 	int perf_mode;
2468 	int iopoll_q_count;
2469 };
2470 
2471 struct MR_LD_VF_MAP {
2472 	u32 size;
2473 	union MR_LD_REF ref;
2474 	u8 ldVfCount;
2475 	u8 reserved[6];
2476 	u8 policy[1];
2477 };
2478 
2479 struct MR_LD_VF_AFFILIATION {
2480 	u32 size;
2481 	u8 ldCount;
2482 	u8 vfCount;
2483 	u8 thisVf;
2484 	u8 reserved[9];
2485 	struct MR_LD_VF_MAP map[1];
2486 };
2487 
2488 /* Plasma 1.11 FW backward compatibility structures */
2489 #define IOV_111_OFFSET 0x7CE
2490 #define MAX_VIRTUAL_FUNCTIONS 8
2491 #define MR_LD_ACCESS_HIDDEN 15
2492 
2493 struct IOV_111 {
2494 	u8 maxVFsSupported;
2495 	u8 numVFsEnabled;
2496 	u8 requestorId;
2497 	u8 reserved[5];
2498 };
2499 
2500 struct MR_LD_VF_MAP_111 {
2501 	u8 targetId;
2502 	u8 reserved[3];
2503 	u8 policy[MAX_VIRTUAL_FUNCTIONS];
2504 };
2505 
2506 struct MR_LD_VF_AFFILIATION_111 {
2507 	u8 vdCount;
2508 	u8 vfCount;
2509 	u8 thisVf;
2510 	u8 reserved[5];
2511 	struct MR_LD_VF_MAP_111 map[MAX_LOGICAL_DRIVES];
2512 };
2513 
2514 struct MR_CTRL_HB_HOST_MEM {
2515 	struct {
2516 		u32 fwCounter;	/* Firmware heart beat counter */
2517 		struct {
2518 			u32 debugmode:1; /* 1=Firmware is in debug mode.
2519 					    Heart beat will not be updated. */
2520 			u32 reserved:31;
2521 		} debug;
2522 		u32 reserved_fw[6];
2523 		u32 driverCounter; /* Driver heart beat counter.  0x20 */
2524 		u32 reserved_driver[7];
2525 	} HB;
2526 	u8 pad[0x400-0x40];
2527 };
2528 
2529 enum {
2530 	MEGASAS_HBA_OPERATIONAL			= 0,
2531 	MEGASAS_ADPRESET_SM_INFAULT		= 1,
2532 	MEGASAS_ADPRESET_SM_FW_RESET_SUCCESS	= 2,
2533 	MEGASAS_ADPRESET_SM_OPERATIONAL		= 3,
2534 	MEGASAS_HW_CRITICAL_ERROR		= 4,
2535 	MEGASAS_ADPRESET_SM_POLLING		= 5,
2536 	MEGASAS_ADPRESET_INPROG_SIGN		= 0xDEADDEAD,
2537 };
2538 
2539 struct megasas_instance_template {
2540 	void (*fire_cmd)(struct megasas_instance *, dma_addr_t, \
2541 		u32, struct megasas_register_set __iomem *);
2542 
2543 	void (*enable_intr)(struct megasas_instance *);
2544 	void (*disable_intr)(struct megasas_instance *);
2545 
2546 	int (*clear_intr)(struct megasas_instance *);
2547 
2548 	u32 (*read_fw_status_reg)(struct megasas_instance *);
2549 	int (*adp_reset)(struct megasas_instance *, \
2550 		struct megasas_register_set __iomem *);
2551 	int (*check_reset)(struct megasas_instance *, \
2552 		struct megasas_register_set __iomem *);
2553 	irqreturn_t (*service_isr)(int irq, void *devp);
2554 	void (*tasklet)(unsigned long);
2555 	u32 (*init_adapter)(struct megasas_instance *);
2556 	u32 (*build_and_issue_cmd) (struct megasas_instance *,
2557 				    struct scsi_cmnd *);
2558 	void (*issue_dcmd)(struct megasas_instance *instance,
2559 			    struct megasas_cmd *cmd);
2560 };
2561 
2562 #define MEGASAS_IS_LOGICAL(sdev)					\
2563 	((sdev->channel < MEGASAS_MAX_PD_CHANNELS) ? 0 : 1)
2564 
2565 #define MEGASAS_IS_LUN_VALID(sdev)					\
2566 	(((sdev)->lun == 0) ? 1 : 0)
2567 
2568 #define MEGASAS_DEV_INDEX(scp)						\
2569 	(((scp->device->channel % 2) * MEGASAS_MAX_DEV_PER_CHANNEL) +	\
2570 	scp->device->id)
2571 
2572 #define MEGASAS_PD_INDEX(scp)						\
2573 	((scp->device->channel * MEGASAS_MAX_DEV_PER_CHANNEL) +		\
2574 	scp->device->id)
2575 
2576 struct megasas_cmd {
2577 
2578 	union megasas_frame *frame;
2579 	dma_addr_t frame_phys_addr;
2580 	u8 *sense;
2581 	dma_addr_t sense_phys_addr;
2582 
2583 	u32 index;
2584 	u8 sync_cmd;
2585 	u8 cmd_status_drv;
2586 	u8 abort_aen;
2587 	u8 retry_for_fw_reset;
2588 
2589 
2590 	struct list_head list;
2591 	struct scsi_cmnd *scmd;
2592 	u8 flags;
2593 
2594 	struct megasas_instance *instance;
2595 	union {
2596 		struct {
2597 			u16 smid;
2598 			u16 resvd;
2599 		} context;
2600 		u32 frame_count;
2601 	};
2602 };
2603 
2604 struct megasas_cmd_priv {
2605 	void	*cmd_priv;
2606 	u8	status;
2607 };
2608 
2609 static inline struct megasas_cmd_priv *megasas_priv(struct scsi_cmnd *cmd)
2610 {
2611 	return scsi_cmd_priv(cmd);
2612 }
2613 
2614 #define MAX_MGMT_ADAPTERS		1024
2615 #define MAX_IOCTL_SGE			16
2616 
2617 struct megasas_iocpacket {
2618 
2619 	u16 host_no;
2620 	u16 __pad1;
2621 	u32 sgl_off;
2622 	u32 sge_count;
2623 	u32 sense_off;
2624 	u32 sense_len;
2625 	union {
2626 		u8 raw[128];
2627 		struct megasas_header hdr;
2628 	} frame;
2629 
2630 	struct iovec sgl[MAX_IOCTL_SGE];
2631 
2632 } __attribute__ ((packed));
2633 
2634 struct megasas_aen {
2635 	u16 host_no;
2636 	u16 __pad1;
2637 	u32 seq_num;
2638 	u32 class_locale_word;
2639 } __attribute__ ((packed));
2640 
2641 struct compat_megasas_iocpacket {
2642 	u16 host_no;
2643 	u16 __pad1;
2644 	u32 sgl_off;
2645 	u32 sge_count;
2646 	u32 sense_off;
2647 	u32 sense_len;
2648 	union {
2649 		u8 raw[128];
2650 		struct megasas_header hdr;
2651 	} frame;
2652 	struct compat_iovec sgl[MAX_IOCTL_SGE];
2653 } __attribute__ ((packed));
2654 
2655 #define MEGASAS_IOC_FIRMWARE32	_IOWR('M', 1, struct compat_megasas_iocpacket)
2656 
2657 #define MEGASAS_IOC_FIRMWARE	_IOWR('M', 1, struct megasas_iocpacket)
2658 #define MEGASAS_IOC_GET_AEN	_IOW('M', 3, struct megasas_aen)
2659 
2660 struct megasas_mgmt_info {
2661 
2662 	u16 count;
2663 	struct megasas_instance *instance[MAX_MGMT_ADAPTERS];
2664 	int max_index;
2665 };
2666 
2667 enum MEGASAS_OCR_CAUSE {
2668 	FW_FAULT_OCR			= 0,
2669 	SCSIIO_TIMEOUT_OCR		= 1,
2670 	MFI_IO_TIMEOUT_OCR		= 2,
2671 };
2672 
2673 enum DCMD_RETURN_STATUS {
2674 	DCMD_SUCCESS    = 0x00,
2675 	DCMD_TIMEOUT    = 0x01,
2676 	DCMD_FAILED     = 0x02,
2677 	DCMD_BUSY       = 0x03,
2678 	DCMD_INIT       = 0xff,
2679 };
2680 
2681 u8
2682 MR_BuildRaidContext(struct megasas_instance *instance,
2683 		    struct IO_REQUEST_INFO *io_info,
2684 		    struct RAID_CONTEXT *pRAID_Context,
2685 		    struct MR_DRV_RAID_MAP_ALL *map, u8 **raidLUN);
2686 u16 MR_TargetIdToLdGet(u32 ldTgtId, struct MR_DRV_RAID_MAP_ALL *map);
2687 struct MR_LD_RAID *MR_LdRaidGet(u32 ld, struct MR_DRV_RAID_MAP_ALL *map);
2688 u16 MR_ArPdGet(u32 ar, u32 arm, struct MR_DRV_RAID_MAP_ALL *map);
2689 u16 MR_LdSpanArrayGet(u32 ld, u32 span, struct MR_DRV_RAID_MAP_ALL *map);
2690 __le16 MR_PdDevHandleGet(u32 pd, struct MR_DRV_RAID_MAP_ALL *map);
2691 u16 MR_GetLDTgtId(u32 ld, struct MR_DRV_RAID_MAP_ALL *map);
2692 
2693 __le16 get_updated_dev_handle(struct megasas_instance *instance,
2694 			      struct LD_LOAD_BALANCE_INFO *lbInfo,
2695 			      struct IO_REQUEST_INFO *in_info,
2696 			      struct MR_DRV_RAID_MAP_ALL *drv_map);
2697 void mr_update_load_balance_params(struct MR_DRV_RAID_MAP_ALL *map,
2698 	struct LD_LOAD_BALANCE_INFO *lbInfo);
2699 int megasas_get_ctrl_info(struct megasas_instance *instance);
2700 /* PD sequence */
2701 int
2702 megasas_sync_pd_seq_num(struct megasas_instance *instance, bool pend);
2703 void megasas_set_dynamic_target_properties(struct scsi_device *sdev,
2704 					   bool is_target_prop);
2705 int megasas_get_target_prop(struct megasas_instance *instance,
2706 			    struct scsi_device *sdev);
2707 void megasas_get_snapdump_properties(struct megasas_instance *instance);
2708 
2709 int megasas_set_crash_dump_params(struct megasas_instance *instance,
2710 	u8 crash_buf_state);
2711 void megasas_free_host_crash_buffer(struct megasas_instance *instance);
2712 
2713 void megasas_return_cmd_fusion(struct megasas_instance *instance,
2714 	struct megasas_cmd_fusion *cmd);
2715 int megasas_issue_blocked_cmd(struct megasas_instance *instance,
2716 	struct megasas_cmd *cmd, int timeout);
2717 void __megasas_return_cmd(struct megasas_instance *instance,
2718 	struct megasas_cmd *cmd);
2719 
2720 void megasas_return_mfi_mpt_pthr(struct megasas_instance *instance,
2721 	struct megasas_cmd *cmd_mfi, struct megasas_cmd_fusion *cmd_fusion);
2722 int megasas_cmd_type(struct scsi_cmnd *cmd);
2723 void megasas_setup_jbod_map(struct megasas_instance *instance);
2724 
2725 void megasas_update_sdev_properties(struct scsi_device *sdev);
2726 int megasas_reset_fusion(struct Scsi_Host *shost, int reason);
2727 int megasas_task_abort_fusion(struct scsi_cmnd *scmd);
2728 int megasas_reset_target_fusion(struct scsi_cmnd *scmd);
2729 u32 mega_mod64(u64 dividend, u32 divisor);
2730 int megasas_alloc_fusion_context(struct megasas_instance *instance);
2731 void megasas_free_fusion_context(struct megasas_instance *instance);
2732 int megasas_fusion_start_watchdog(struct megasas_instance *instance);
2733 void megasas_fusion_stop_watchdog(struct megasas_instance *instance);
2734 
2735 void megasas_set_dma_settings(struct megasas_instance *instance,
2736 			      struct megasas_dcmd_frame *dcmd,
2737 			      dma_addr_t dma_addr, u32 dma_len);
2738 int megasas_adp_reset_wait_for_ready(struct megasas_instance *instance,
2739 				     bool do_adp_reset,
2740 				     int ocr_context);
2741 int megasas_irqpoll(struct irq_poll *irqpoll, int budget);
2742 void megasas_dump_fusion_io(struct scsi_cmnd *scmd);
2743 u32 megasas_readl(struct megasas_instance *instance,
2744 		  const volatile void __iomem *addr);
2745 struct megasas_cmd *megasas_get_cmd(struct megasas_instance *instance);
2746 void megasas_return_cmd(struct megasas_instance *instance,
2747 			struct megasas_cmd *cmd);
2748 int megasas_issue_polled(struct megasas_instance *instance,
2749 			 struct megasas_cmd *cmd);
2750 void megaraid_sas_kill_hba(struct megasas_instance *instance);
2751 void megasas_check_and_restore_queue_depth(struct megasas_instance *instance);
2752 void megasas_start_timer(struct megasas_instance *instance);
2753 int megasas_sriov_start_heartbeat(struct megasas_instance *instance,
2754 				  int initial);
2755 int megasas_alloc_cmds(struct megasas_instance *instance);
2756 void megasas_free_cmds(struct megasas_instance *instance);
2757 
2758 void megasas_init_debugfs(void);
2759 void megasas_exit_debugfs(void);
2760 void megasas_setup_debugfs(struct megasas_instance *instance);
2761 void megasas_destroy_debugfs(struct megasas_instance *instance);
2762 int megasas_blk_mq_poll(struct Scsi_Host *shost, unsigned int queue_num);
2763 
2764 #endif				/*LSI_MEGARAID_SAS_H */
2765