1 /*
2  *  Linux MegaRAID driver for SAS based RAID controllers
3  *
4  *  Copyright (c) 2003-2012  LSI Corporation.
5  *
6  *  This program is free software; you can redistribute it and/or
7  *  modify it under the terms of the GNU General Public License
8  *  as published by the Free Software Foundation; either version 2
9  *  of the License, or (at your option) any later version.
10  *
11  *  This program is distributed in the hope that it will be useful,
12  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
13  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
14  *  GNU General Public License for more details.
15  *
16  *  You should have received a copy of the GNU General Public License
17  *  along with this program; if not, write to the Free Software
18  *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
19  *
20  *  FILE: megaraid_sas.h
21  *
22  *  Authors: LSI Corporation
23  *
24  *  Send feedback to: <megaraidlinux@lsi.com>
25  *
26  *  Mail to: LSI Corporation, 1621 Barber Lane, Milpitas, CA 95035
27  *     ATTN: Linuxraid
28  */
29 
30 #ifndef LSI_MEGARAID_SAS_H
31 #define LSI_MEGARAID_SAS_H
32 
33 /*
34  * MegaRAID SAS Driver meta data
35  */
36 #define MEGASAS_VERSION				"06.504.01.00-rc1"
37 #define MEGASAS_RELDATE				"Oct. 1, 2012"
38 #define MEGASAS_EXT_VERSION			"Mon. Oct. 1 17:00:00 PDT 2012"
39 
40 /*
41  * Device IDs
42  */
43 #define	PCI_DEVICE_ID_LSI_SAS1078R		0x0060
44 #define	PCI_DEVICE_ID_LSI_SAS1078DE		0x007C
45 #define	PCI_DEVICE_ID_LSI_VERDE_ZCR		0x0413
46 #define	PCI_DEVICE_ID_LSI_SAS1078GEN2		0x0078
47 #define	PCI_DEVICE_ID_LSI_SAS0079GEN2		0x0079
48 #define	PCI_DEVICE_ID_LSI_SAS0073SKINNY		0x0073
49 #define	PCI_DEVICE_ID_LSI_SAS0071SKINNY		0x0071
50 #define	PCI_DEVICE_ID_LSI_FUSION		0x005b
51 #define PCI_DEVICE_ID_LSI_INVADER		0x005d
52 
53 /*
54  * =====================================
55  * MegaRAID SAS MFI firmware definitions
56  * =====================================
57  */
58 
59 /*
60  * MFI stands for  MegaRAID SAS FW Interface. This is just a moniker for
61  * protocol between the software and firmware. Commands are issued using
62  * "message frames"
63  */
64 
65 /*
66  * FW posts its state in upper 4 bits of outbound_msg_0 register
67  */
68 #define MFI_STATE_MASK				0xF0000000
69 #define MFI_STATE_UNDEFINED			0x00000000
70 #define MFI_STATE_BB_INIT			0x10000000
71 #define MFI_STATE_FW_INIT			0x40000000
72 #define MFI_STATE_WAIT_HANDSHAKE		0x60000000
73 #define MFI_STATE_FW_INIT_2			0x70000000
74 #define MFI_STATE_DEVICE_SCAN			0x80000000
75 #define MFI_STATE_BOOT_MESSAGE_PENDING		0x90000000
76 #define MFI_STATE_FLUSH_CACHE			0xA0000000
77 #define MFI_STATE_READY				0xB0000000
78 #define MFI_STATE_OPERATIONAL			0xC0000000
79 #define MFI_STATE_FAULT				0xF0000000
80 #define MFI_RESET_REQUIRED			0x00000001
81 #define MFI_RESET_ADAPTER			0x00000002
82 #define MEGAMFI_FRAME_SIZE			64
83 
84 /*
85  * During FW init, clear pending cmds & reset state using inbound_msg_0
86  *
87  * ABORT	: Abort all pending cmds
88  * READY	: Move from OPERATIONAL to READY state; discard queue info
89  * MFIMODE	: Discard (possible) low MFA posted in 64-bit mode (??)
90  * CLR_HANDSHAKE: FW is waiting for HANDSHAKE from BIOS or Driver
91  * HOTPLUG	: Resume from Hotplug
92  * MFI_STOP_ADP	: Send signal to FW to stop processing
93  */
94 #define WRITE_SEQUENCE_OFFSET		(0x0000000FC) /* I20 */
95 #define HOST_DIAGNOSTIC_OFFSET		(0x000000F8)  /* I20 */
96 #define DIAG_WRITE_ENABLE			(0x00000080)
97 #define DIAG_RESET_ADAPTER			(0x00000004)
98 
99 #define MFI_ADP_RESET				0x00000040
100 #define MFI_INIT_ABORT				0x00000001
101 #define MFI_INIT_READY				0x00000002
102 #define MFI_INIT_MFIMODE			0x00000004
103 #define MFI_INIT_CLEAR_HANDSHAKE		0x00000008
104 #define MFI_INIT_HOTPLUG			0x00000010
105 #define MFI_STOP_ADP				0x00000020
106 #define MFI_RESET_FLAGS				MFI_INIT_READY| \
107 						MFI_INIT_MFIMODE| \
108 						MFI_INIT_ABORT
109 
110 /*
111  * MFI frame flags
112  */
113 #define MFI_FRAME_POST_IN_REPLY_QUEUE		0x0000
114 #define MFI_FRAME_DONT_POST_IN_REPLY_QUEUE	0x0001
115 #define MFI_FRAME_SGL32				0x0000
116 #define MFI_FRAME_SGL64				0x0002
117 #define MFI_FRAME_SENSE32			0x0000
118 #define MFI_FRAME_SENSE64			0x0004
119 #define MFI_FRAME_DIR_NONE			0x0000
120 #define MFI_FRAME_DIR_WRITE			0x0008
121 #define MFI_FRAME_DIR_READ			0x0010
122 #define MFI_FRAME_DIR_BOTH			0x0018
123 #define MFI_FRAME_IEEE                          0x0020
124 
125 /*
126  * Definition for cmd_status
127  */
128 #define MFI_CMD_STATUS_POLL_MODE		0xFF
129 
130 /*
131  * MFI command opcodes
132  */
133 #define MFI_CMD_INIT				0x00
134 #define MFI_CMD_LD_READ				0x01
135 #define MFI_CMD_LD_WRITE			0x02
136 #define MFI_CMD_LD_SCSI_IO			0x03
137 #define MFI_CMD_PD_SCSI_IO			0x04
138 #define MFI_CMD_DCMD				0x05
139 #define MFI_CMD_ABORT				0x06
140 #define MFI_CMD_SMP				0x07
141 #define MFI_CMD_STP				0x08
142 #define MFI_CMD_INVALID				0xff
143 
144 #define MR_DCMD_CTRL_GET_INFO			0x01010000
145 #define MR_DCMD_LD_GET_LIST			0x03010000
146 
147 #define MR_DCMD_CTRL_CACHE_FLUSH		0x01101000
148 #define MR_FLUSH_CTRL_CACHE			0x01
149 #define MR_FLUSH_DISK_CACHE			0x02
150 
151 #define MR_DCMD_CTRL_SHUTDOWN			0x01050000
152 #define MR_DCMD_HIBERNATE_SHUTDOWN		0x01060000
153 #define MR_ENABLE_DRIVE_SPINDOWN		0x01
154 
155 #define MR_DCMD_CTRL_EVENT_GET_INFO		0x01040100
156 #define MR_DCMD_CTRL_EVENT_GET			0x01040300
157 #define MR_DCMD_CTRL_EVENT_WAIT			0x01040500
158 #define MR_DCMD_LD_GET_PROPERTIES		0x03030000
159 
160 #define MR_DCMD_CLUSTER				0x08000000
161 #define MR_DCMD_CLUSTER_RESET_ALL		0x08010100
162 #define MR_DCMD_CLUSTER_RESET_LD		0x08010200
163 #define MR_DCMD_PD_LIST_QUERY                   0x02010100
164 
165 /*
166  * MFI command completion codes
167  */
168 enum MFI_STAT {
169 	MFI_STAT_OK = 0x00,
170 	MFI_STAT_INVALID_CMD = 0x01,
171 	MFI_STAT_INVALID_DCMD = 0x02,
172 	MFI_STAT_INVALID_PARAMETER = 0x03,
173 	MFI_STAT_INVALID_SEQUENCE_NUMBER = 0x04,
174 	MFI_STAT_ABORT_NOT_POSSIBLE = 0x05,
175 	MFI_STAT_APP_HOST_CODE_NOT_FOUND = 0x06,
176 	MFI_STAT_APP_IN_USE = 0x07,
177 	MFI_STAT_APP_NOT_INITIALIZED = 0x08,
178 	MFI_STAT_ARRAY_INDEX_INVALID = 0x09,
179 	MFI_STAT_ARRAY_ROW_NOT_EMPTY = 0x0a,
180 	MFI_STAT_CONFIG_RESOURCE_CONFLICT = 0x0b,
181 	MFI_STAT_DEVICE_NOT_FOUND = 0x0c,
182 	MFI_STAT_DRIVE_TOO_SMALL = 0x0d,
183 	MFI_STAT_FLASH_ALLOC_FAIL = 0x0e,
184 	MFI_STAT_FLASH_BUSY = 0x0f,
185 	MFI_STAT_FLASH_ERROR = 0x10,
186 	MFI_STAT_FLASH_IMAGE_BAD = 0x11,
187 	MFI_STAT_FLASH_IMAGE_INCOMPLETE = 0x12,
188 	MFI_STAT_FLASH_NOT_OPEN = 0x13,
189 	MFI_STAT_FLASH_NOT_STARTED = 0x14,
190 	MFI_STAT_FLUSH_FAILED = 0x15,
191 	MFI_STAT_HOST_CODE_NOT_FOUNT = 0x16,
192 	MFI_STAT_LD_CC_IN_PROGRESS = 0x17,
193 	MFI_STAT_LD_INIT_IN_PROGRESS = 0x18,
194 	MFI_STAT_LD_LBA_OUT_OF_RANGE = 0x19,
195 	MFI_STAT_LD_MAX_CONFIGURED = 0x1a,
196 	MFI_STAT_LD_NOT_OPTIMAL = 0x1b,
197 	MFI_STAT_LD_RBLD_IN_PROGRESS = 0x1c,
198 	MFI_STAT_LD_RECON_IN_PROGRESS = 0x1d,
199 	MFI_STAT_LD_WRONG_RAID_LEVEL = 0x1e,
200 	MFI_STAT_MAX_SPARES_EXCEEDED = 0x1f,
201 	MFI_STAT_MEMORY_NOT_AVAILABLE = 0x20,
202 	MFI_STAT_MFC_HW_ERROR = 0x21,
203 	MFI_STAT_NO_HW_PRESENT = 0x22,
204 	MFI_STAT_NOT_FOUND = 0x23,
205 	MFI_STAT_NOT_IN_ENCL = 0x24,
206 	MFI_STAT_PD_CLEAR_IN_PROGRESS = 0x25,
207 	MFI_STAT_PD_TYPE_WRONG = 0x26,
208 	MFI_STAT_PR_DISABLED = 0x27,
209 	MFI_STAT_ROW_INDEX_INVALID = 0x28,
210 	MFI_STAT_SAS_CONFIG_INVALID_ACTION = 0x29,
211 	MFI_STAT_SAS_CONFIG_INVALID_DATA = 0x2a,
212 	MFI_STAT_SAS_CONFIG_INVALID_PAGE = 0x2b,
213 	MFI_STAT_SAS_CONFIG_INVALID_TYPE = 0x2c,
214 	MFI_STAT_SCSI_DONE_WITH_ERROR = 0x2d,
215 	MFI_STAT_SCSI_IO_FAILED = 0x2e,
216 	MFI_STAT_SCSI_RESERVATION_CONFLICT = 0x2f,
217 	MFI_STAT_SHUTDOWN_FAILED = 0x30,
218 	MFI_STAT_TIME_NOT_SET = 0x31,
219 	MFI_STAT_WRONG_STATE = 0x32,
220 	MFI_STAT_LD_OFFLINE = 0x33,
221 	MFI_STAT_PEER_NOTIFICATION_REJECTED = 0x34,
222 	MFI_STAT_PEER_NOTIFICATION_FAILED = 0x35,
223 	MFI_STAT_RESERVATION_IN_PROGRESS = 0x36,
224 	MFI_STAT_I2C_ERRORS_DETECTED = 0x37,
225 	MFI_STAT_PCI_ERRORS_DETECTED = 0x38,
226 	MFI_STAT_CONFIG_SEQ_MISMATCH = 0x67,
227 
228 	MFI_STAT_INVALID_STATUS = 0xFF
229 };
230 
231 /*
232  * Number of mailbox bytes in DCMD message frame
233  */
234 #define MFI_MBOX_SIZE				12
235 
236 enum MR_EVT_CLASS {
237 
238 	MR_EVT_CLASS_DEBUG = -2,
239 	MR_EVT_CLASS_PROGRESS = -1,
240 	MR_EVT_CLASS_INFO = 0,
241 	MR_EVT_CLASS_WARNING = 1,
242 	MR_EVT_CLASS_CRITICAL = 2,
243 	MR_EVT_CLASS_FATAL = 3,
244 	MR_EVT_CLASS_DEAD = 4,
245 
246 };
247 
248 enum MR_EVT_LOCALE {
249 
250 	MR_EVT_LOCALE_LD = 0x0001,
251 	MR_EVT_LOCALE_PD = 0x0002,
252 	MR_EVT_LOCALE_ENCL = 0x0004,
253 	MR_EVT_LOCALE_BBU = 0x0008,
254 	MR_EVT_LOCALE_SAS = 0x0010,
255 	MR_EVT_LOCALE_CTRL = 0x0020,
256 	MR_EVT_LOCALE_CONFIG = 0x0040,
257 	MR_EVT_LOCALE_CLUSTER = 0x0080,
258 	MR_EVT_LOCALE_ALL = 0xffff,
259 
260 };
261 
262 enum MR_EVT_ARGS {
263 
264 	MR_EVT_ARGS_NONE,
265 	MR_EVT_ARGS_CDB_SENSE,
266 	MR_EVT_ARGS_LD,
267 	MR_EVT_ARGS_LD_COUNT,
268 	MR_EVT_ARGS_LD_LBA,
269 	MR_EVT_ARGS_LD_OWNER,
270 	MR_EVT_ARGS_LD_LBA_PD_LBA,
271 	MR_EVT_ARGS_LD_PROG,
272 	MR_EVT_ARGS_LD_STATE,
273 	MR_EVT_ARGS_LD_STRIP,
274 	MR_EVT_ARGS_PD,
275 	MR_EVT_ARGS_PD_ERR,
276 	MR_EVT_ARGS_PD_LBA,
277 	MR_EVT_ARGS_PD_LBA_LD,
278 	MR_EVT_ARGS_PD_PROG,
279 	MR_EVT_ARGS_PD_STATE,
280 	MR_EVT_ARGS_PCI,
281 	MR_EVT_ARGS_RATE,
282 	MR_EVT_ARGS_STR,
283 	MR_EVT_ARGS_TIME,
284 	MR_EVT_ARGS_ECC,
285 	MR_EVT_ARGS_LD_PROP,
286 	MR_EVT_ARGS_PD_SPARE,
287 	MR_EVT_ARGS_PD_INDEX,
288 	MR_EVT_ARGS_DIAG_PASS,
289 	MR_EVT_ARGS_DIAG_FAIL,
290 	MR_EVT_ARGS_PD_LBA_LBA,
291 	MR_EVT_ARGS_PORT_PHY,
292 	MR_EVT_ARGS_PD_MISSING,
293 	MR_EVT_ARGS_PD_ADDRESS,
294 	MR_EVT_ARGS_BITMAP,
295 	MR_EVT_ARGS_CONNECTOR,
296 	MR_EVT_ARGS_PD_PD,
297 	MR_EVT_ARGS_PD_FRU,
298 	MR_EVT_ARGS_PD_PATHINFO,
299 	MR_EVT_ARGS_PD_POWER_STATE,
300 	MR_EVT_ARGS_GENERIC,
301 };
302 
303 /*
304  * define constants for device list query options
305  */
306 enum MR_PD_QUERY_TYPE {
307 	MR_PD_QUERY_TYPE_ALL                = 0,
308 	MR_PD_QUERY_TYPE_STATE              = 1,
309 	MR_PD_QUERY_TYPE_POWER_STATE        = 2,
310 	MR_PD_QUERY_TYPE_MEDIA_TYPE         = 3,
311 	MR_PD_QUERY_TYPE_SPEED              = 4,
312 	MR_PD_QUERY_TYPE_EXPOSED_TO_HOST    = 5,
313 };
314 
315 #define MR_EVT_CFG_CLEARED                              0x0004
316 #define MR_EVT_LD_STATE_CHANGE                          0x0051
317 #define MR_EVT_PD_INSERTED                              0x005b
318 #define MR_EVT_PD_REMOVED                               0x0070
319 #define MR_EVT_LD_CREATED                               0x008a
320 #define MR_EVT_LD_DELETED                               0x008b
321 #define MR_EVT_FOREIGN_CFG_IMPORTED                     0x00db
322 #define MR_EVT_LD_OFFLINE                               0x00fc
323 #define MR_EVT_CTRL_HOST_BUS_SCAN_REQUESTED             0x0152
324 #define MAX_LOGICAL_DRIVES				64
325 
326 enum MR_PD_STATE {
327 	MR_PD_STATE_UNCONFIGURED_GOOD   = 0x00,
328 	MR_PD_STATE_UNCONFIGURED_BAD    = 0x01,
329 	MR_PD_STATE_HOT_SPARE           = 0x02,
330 	MR_PD_STATE_OFFLINE             = 0x10,
331 	MR_PD_STATE_FAILED              = 0x11,
332 	MR_PD_STATE_REBUILD             = 0x14,
333 	MR_PD_STATE_ONLINE              = 0x18,
334 	MR_PD_STATE_COPYBACK            = 0x20,
335 	MR_PD_STATE_SYSTEM              = 0x40,
336  };
337 
338 
339  /*
340  * defines the physical drive address structure
341  */
342 struct MR_PD_ADDRESS {
343 	u16     deviceId;
344 	u16     enclDeviceId;
345 
346 	union {
347 		struct {
348 			u8  enclIndex;
349 			u8  slotNumber;
350 		} mrPdAddress;
351 		struct {
352 			u8  enclPosition;
353 			u8  enclConnectorIndex;
354 		} mrEnclAddress;
355 	};
356 	u8      scsiDevType;
357 	union {
358 		u8      connectedPortBitmap;
359 		u8      connectedPortNumbers;
360 	};
361 	u64     sasAddr[2];
362 } __packed;
363 
364 /*
365  * defines the physical drive list structure
366  */
367 struct MR_PD_LIST {
368 	u32             size;
369 	u32             count;
370 	struct MR_PD_ADDRESS   addr[1];
371 } __packed;
372 
373 struct megasas_pd_list {
374 	u16             tid;
375 	u8             driveType;
376 	u8             driveState;
377 } __packed;
378 
379  /*
380  * defines the logical drive reference structure
381  */
382 union  MR_LD_REF {
383 	struct {
384 		u8      targetId;
385 		u8      reserved;
386 		u16     seqNum;
387 	};
388 	u32     ref;
389 } __packed;
390 
391 /*
392  * defines the logical drive list structure
393  */
394 struct MR_LD_LIST {
395 	u32     ldCount;
396 	u32     reserved;
397 	struct {
398 		union MR_LD_REF   ref;
399 		u8          state;
400 		u8          reserved[3];
401 		u64         size;
402 	} ldList[MAX_LOGICAL_DRIVES];
403 } __packed;
404 
405 /*
406  * SAS controller properties
407  */
408 struct megasas_ctrl_prop {
409 
410 	u16 seq_num;
411 	u16 pred_fail_poll_interval;
412 	u16 intr_throttle_count;
413 	u16 intr_throttle_timeouts;
414 	u8 rebuild_rate;
415 	u8 patrol_read_rate;
416 	u8 bgi_rate;
417 	u8 cc_rate;
418 	u8 recon_rate;
419 	u8 cache_flush_interval;
420 	u8 spinup_drv_count;
421 	u8 spinup_delay;
422 	u8 cluster_enable;
423 	u8 coercion_mode;
424 	u8 alarm_enable;
425 	u8 disable_auto_rebuild;
426 	u8 disable_battery_warn;
427 	u8 ecc_bucket_size;
428 	u16 ecc_bucket_leak_rate;
429 	u8 restore_hotspare_on_insertion;
430 	u8 expose_encl_devices;
431 	u8 maintainPdFailHistory;
432 	u8 disallowHostRequestReordering;
433 	u8 abortCCOnError;
434 	u8 loadBalanceMode;
435 	u8 disableAutoDetectBackplane;
436 
437 	u8 snapVDSpace;
438 
439 	/*
440 	* Add properties that can be controlled by
441 	* a bit in the following structure.
442 	*/
443 	struct {
444 		u32     copyBackDisabled            : 1;
445 		u32     SMARTerEnabled              : 1;
446 		u32     prCorrectUnconfiguredAreas  : 1;
447 		u32     useFdeOnly                  : 1;
448 		u32     disableNCQ                  : 1;
449 		u32     SSDSMARTerEnabled           : 1;
450 		u32     SSDPatrolReadEnabled        : 1;
451 		u32     enableSpinDownUnconfigured  : 1;
452 		u32     autoEnhancedImport          : 1;
453 		u32     enableSecretKeyControl      : 1;
454 		u32     disableOnlineCtrlReset      : 1;
455 		u32     allowBootWithPinnedCache    : 1;
456 		u32     disableSpinDownHS           : 1;
457 		u32     enableJBOD                  : 1;
458 		u32     reserved                    :18;
459 	} OnOffProperties;
460 	u8 autoSnapVDSpace;
461 	u8 viewSpace;
462 	u16 spinDownTime;
463 	u8  reserved[24];
464 } __packed;
465 
466 /*
467  * SAS controller information
468  */
469 struct megasas_ctrl_info {
470 
471 	/*
472 	 * PCI device information
473 	 */
474 	struct {
475 
476 		u16 vendor_id;
477 		u16 device_id;
478 		u16 sub_vendor_id;
479 		u16 sub_device_id;
480 		u8 reserved[24];
481 
482 	} __attribute__ ((packed)) pci;
483 
484 	/*
485 	 * Host interface information
486 	 */
487 	struct {
488 
489 		u8 PCIX:1;
490 		u8 PCIE:1;
491 		u8 iSCSI:1;
492 		u8 SAS_3G:1;
493 		u8 reserved_0:4;
494 		u8 reserved_1[6];
495 		u8 port_count;
496 		u64 port_addr[8];
497 
498 	} __attribute__ ((packed)) host_interface;
499 
500 	/*
501 	 * Device (backend) interface information
502 	 */
503 	struct {
504 
505 		u8 SPI:1;
506 		u8 SAS_3G:1;
507 		u8 SATA_1_5G:1;
508 		u8 SATA_3G:1;
509 		u8 reserved_0:4;
510 		u8 reserved_1[6];
511 		u8 port_count;
512 		u64 port_addr[8];
513 
514 	} __attribute__ ((packed)) device_interface;
515 
516 	/*
517 	 * List of components residing in flash. All str are null terminated
518 	 */
519 	u32 image_check_word;
520 	u32 image_component_count;
521 
522 	struct {
523 
524 		char name[8];
525 		char version[32];
526 		char build_date[16];
527 		char built_time[16];
528 
529 	} __attribute__ ((packed)) image_component[8];
530 
531 	/*
532 	 * List of flash components that have been flashed on the card, but
533 	 * are not in use, pending reset of the adapter. This list will be
534 	 * empty if a flash operation has not occurred. All stings are null
535 	 * terminated
536 	 */
537 	u32 pending_image_component_count;
538 
539 	struct {
540 
541 		char name[8];
542 		char version[32];
543 		char build_date[16];
544 		char build_time[16];
545 
546 	} __attribute__ ((packed)) pending_image_component[8];
547 
548 	u8 max_arms;
549 	u8 max_spans;
550 	u8 max_arrays;
551 	u8 max_lds;
552 
553 	char product_name[80];
554 	char serial_no[32];
555 
556 	/*
557 	 * Other physical/controller/operation information. Indicates the
558 	 * presence of the hardware
559 	 */
560 	struct {
561 
562 		u32 bbu:1;
563 		u32 alarm:1;
564 		u32 nvram:1;
565 		u32 uart:1;
566 		u32 reserved:28;
567 
568 	} __attribute__ ((packed)) hw_present;
569 
570 	u32 current_fw_time;
571 
572 	/*
573 	 * Maximum data transfer sizes
574 	 */
575 	u16 max_concurrent_cmds;
576 	u16 max_sge_count;
577 	u32 max_request_size;
578 
579 	/*
580 	 * Logical and physical device counts
581 	 */
582 	u16 ld_present_count;
583 	u16 ld_degraded_count;
584 	u16 ld_offline_count;
585 
586 	u16 pd_present_count;
587 	u16 pd_disk_present_count;
588 	u16 pd_disk_pred_failure_count;
589 	u16 pd_disk_failed_count;
590 
591 	/*
592 	 * Memory size information
593 	 */
594 	u16 nvram_size;
595 	u16 memory_size;
596 	u16 flash_size;
597 
598 	/*
599 	 * Error counters
600 	 */
601 	u16 mem_correctable_error_count;
602 	u16 mem_uncorrectable_error_count;
603 
604 	/*
605 	 * Cluster information
606 	 */
607 	u8 cluster_permitted;
608 	u8 cluster_active;
609 
610 	/*
611 	 * Additional max data transfer sizes
612 	 */
613 	u16 max_strips_per_io;
614 
615 	/*
616 	 * Controller capabilities structures
617 	 */
618 	struct {
619 
620 		u32 raid_level_0:1;
621 		u32 raid_level_1:1;
622 		u32 raid_level_5:1;
623 		u32 raid_level_1E:1;
624 		u32 raid_level_6:1;
625 		u32 reserved:27;
626 
627 	} __attribute__ ((packed)) raid_levels;
628 
629 	struct {
630 
631 		u32 rbld_rate:1;
632 		u32 cc_rate:1;
633 		u32 bgi_rate:1;
634 		u32 recon_rate:1;
635 		u32 patrol_rate:1;
636 		u32 alarm_control:1;
637 		u32 cluster_supported:1;
638 		u32 bbu:1;
639 		u32 spanning_allowed:1;
640 		u32 dedicated_hotspares:1;
641 		u32 revertible_hotspares:1;
642 		u32 foreign_config_import:1;
643 		u32 self_diagnostic:1;
644 		u32 mixed_redundancy_arr:1;
645 		u32 global_hot_spares:1;
646 		u32 reserved:17;
647 
648 	} __attribute__ ((packed)) adapter_operations;
649 
650 	struct {
651 
652 		u32 read_policy:1;
653 		u32 write_policy:1;
654 		u32 io_policy:1;
655 		u32 access_policy:1;
656 		u32 disk_cache_policy:1;
657 		u32 reserved:27;
658 
659 	} __attribute__ ((packed)) ld_operations;
660 
661 	struct {
662 
663 		u8 min;
664 		u8 max;
665 		u8 reserved[2];
666 
667 	} __attribute__ ((packed)) stripe_sz_ops;
668 
669 	struct {
670 
671 		u32 force_online:1;
672 		u32 force_offline:1;
673 		u32 force_rebuild:1;
674 		u32 reserved:29;
675 
676 	} __attribute__ ((packed)) pd_operations;
677 
678 	struct {
679 
680 		u32 ctrl_supports_sas:1;
681 		u32 ctrl_supports_sata:1;
682 		u32 allow_mix_in_encl:1;
683 		u32 allow_mix_in_ld:1;
684 		u32 allow_sata_in_cluster:1;
685 		u32 reserved:27;
686 
687 	} __attribute__ ((packed)) pd_mix_support;
688 
689 	/*
690 	 * Define ECC single-bit-error bucket information
691 	 */
692 	u8 ecc_bucket_count;
693 	u8 reserved_2[11];
694 
695 	/*
696 	 * Include the controller properties (changeable items)
697 	 */
698 	struct megasas_ctrl_prop properties;
699 
700 	/*
701 	 * Define FW pkg version (set in envt v'bles on OEM basis)
702 	 */
703 	char package_version[0x60];
704 
705 	u8 pad[0x800 - 0x6a0];
706 
707 } __packed;
708 
709 /*
710  * ===============================
711  * MegaRAID SAS driver definitions
712  * ===============================
713  */
714 #define MEGASAS_MAX_PD_CHANNELS			2
715 #define MEGASAS_MAX_LD_CHANNELS			2
716 #define MEGASAS_MAX_CHANNELS			(MEGASAS_MAX_PD_CHANNELS + \
717 						MEGASAS_MAX_LD_CHANNELS)
718 #define MEGASAS_MAX_DEV_PER_CHANNEL		128
719 #define MEGASAS_DEFAULT_INIT_ID			-1
720 #define MEGASAS_MAX_LUN				8
721 #define MEGASAS_MAX_LD				64
722 #define MEGASAS_DEFAULT_CMD_PER_LUN		256
723 #define MEGASAS_MAX_PD                          (MEGASAS_MAX_PD_CHANNELS * \
724 						MEGASAS_MAX_DEV_PER_CHANNEL)
725 #define MEGASAS_MAX_LD_IDS			(MEGASAS_MAX_LD_CHANNELS * \
726 						MEGASAS_MAX_DEV_PER_CHANNEL)
727 
728 #define MEGASAS_MAX_SECTORS                    (2*1024)
729 #define MEGASAS_MAX_SECTORS_IEEE		(2*128)
730 #define MEGASAS_DBG_LVL				1
731 
732 #define MEGASAS_FW_BUSY				1
733 
734 /* Frame Type */
735 #define IO_FRAME				0
736 #define PTHRU_FRAME				1
737 
738 /*
739  * When SCSI mid-layer calls driver's reset routine, driver waits for
740  * MEGASAS_RESET_WAIT_TIME seconds for all outstanding IO to complete. Note
741  * that the driver cannot _actually_ abort or reset pending commands. While
742  * it is waiting for the commands to complete, it prints a diagnostic message
743  * every MEGASAS_RESET_NOTICE_INTERVAL seconds
744  */
745 #define MEGASAS_RESET_WAIT_TIME			180
746 #define MEGASAS_INTERNAL_CMD_WAIT_TIME		180
747 #define	MEGASAS_RESET_NOTICE_INTERVAL		5
748 #define MEGASAS_IOCTL_CMD			0
749 #define MEGASAS_DEFAULT_CMD_TIMEOUT		90
750 #define MEGASAS_THROTTLE_QUEUE_DEPTH		16
751 
752 /*
753  * FW reports the maximum of number of commands that it can accept (maximum
754  * commands that can be outstanding) at any time. The driver must report a
755  * lower number to the mid layer because it can issue a few internal commands
756  * itself (E.g, AEN, abort cmd, IOCTLs etc). The number of commands it needs
757  * is shown below
758  */
759 #define MEGASAS_INT_CMDS			32
760 #define MEGASAS_SKINNY_INT_CMDS			5
761 
762 #define MEGASAS_MAX_MSIX_QUEUES			16
763 /*
764  * FW can accept both 32 and 64 bit SGLs. We want to allocate 32/64 bit
765  * SGLs based on the size of dma_addr_t
766  */
767 #define IS_DMA64				(sizeof(dma_addr_t) == 8)
768 
769 #define MFI_XSCALE_OMR0_CHANGE_INTERRUPT		0x00000001
770 
771 #define MFI_INTR_FLAG_REPLY_MESSAGE			0x00000001
772 #define MFI_INTR_FLAG_FIRMWARE_STATE_CHANGE		0x00000002
773 #define MFI_G2_OUTBOUND_DOORBELL_CHANGE_INTERRUPT	0x00000004
774 
775 #define MFI_OB_INTR_STATUS_MASK			0x00000002
776 #define MFI_POLL_TIMEOUT_SECS			60
777 
778 #define MFI_REPLY_1078_MESSAGE_INTERRUPT	0x80000000
779 #define MFI_REPLY_GEN2_MESSAGE_INTERRUPT	0x00000001
780 #define MFI_GEN2_ENABLE_INTERRUPT_MASK		(0x00000001 | 0x00000004)
781 #define MFI_REPLY_SKINNY_MESSAGE_INTERRUPT	0x40000000
782 #define MFI_SKINNY_ENABLE_INTERRUPT_MASK	(0x00000001)
783 
784 #define MFI_1068_PCSR_OFFSET			0x84
785 #define MFI_1068_FW_HANDSHAKE_OFFSET		0x64
786 #define MFI_1068_FW_READY			0xDDDD0000
787 /*
788 * register set for both 1068 and 1078 controllers
789 * structure extended for 1078 registers
790 */
791 
792 struct megasas_register_set {
793 	u32	doorbell;                       /*0000h*/
794 	u32	fusion_seq_offset;		/*0004h*/
795 	u32	fusion_host_diag;		/*0008h*/
796 	u32	reserved_01;			/*000Ch*/
797 
798 	u32 	inbound_msg_0;			/*0010h*/
799 	u32 	inbound_msg_1;			/*0014h*/
800 	u32 	outbound_msg_0;			/*0018h*/
801 	u32 	outbound_msg_1;			/*001Ch*/
802 
803 	u32 	inbound_doorbell;		/*0020h*/
804 	u32 	inbound_intr_status;		/*0024h*/
805 	u32 	inbound_intr_mask;		/*0028h*/
806 
807 	u32 	outbound_doorbell;		/*002Ch*/
808 	u32 	outbound_intr_status;		/*0030h*/
809 	u32 	outbound_intr_mask;		/*0034h*/
810 
811 	u32 	reserved_1[2];			/*0038h*/
812 
813 	u32 	inbound_queue_port;		/*0040h*/
814 	u32 	outbound_queue_port;		/*0044h*/
815 
816 	u32	reserved_2[9];			/*0048h*/
817 	u32	reply_post_host_index;		/*006Ch*/
818 	u32	reserved_2_2[12];		/*0070h*/
819 
820 	u32 	outbound_doorbell_clear;	/*00A0h*/
821 
822 	u32 	reserved_3[3];			/*00A4h*/
823 
824 	u32 	outbound_scratch_pad ;		/*00B0h*/
825 	u32	outbound_scratch_pad_2;         /*00B4h*/
826 
827 	u32	reserved_4[2];			/*00B8h*/
828 
829 	u32 	inbound_low_queue_port ;	/*00C0h*/
830 
831 	u32 	inbound_high_queue_port ;	/*00C4h*/
832 
833 	u32 	reserved_5;			/*00C8h*/
834 	u32	res_6[11];			/*CCh*/
835 	u32	host_diag;
836 	u32	seq_offset;
837 	u32 	index_registers[807];		/*00CCh*/
838 } __attribute__ ((packed));
839 
840 struct megasas_sge32 {
841 
842 	u32 phys_addr;
843 	u32 length;
844 
845 } __attribute__ ((packed));
846 
847 struct megasas_sge64 {
848 
849 	u64 phys_addr;
850 	u32 length;
851 
852 } __attribute__ ((packed));
853 
854 struct megasas_sge_skinny {
855 	u64 phys_addr;
856 	u32 length;
857 	u32 flag;
858 } __packed;
859 
860 union megasas_sgl {
861 
862 	struct megasas_sge32 sge32[1];
863 	struct megasas_sge64 sge64[1];
864 	struct megasas_sge_skinny sge_skinny[1];
865 
866 } __attribute__ ((packed));
867 
868 struct megasas_header {
869 
870 	u8 cmd;			/*00h */
871 	u8 sense_len;		/*01h */
872 	u8 cmd_status;		/*02h */
873 	u8 scsi_status;		/*03h */
874 
875 	u8 target_id;		/*04h */
876 	u8 lun;			/*05h */
877 	u8 cdb_len;		/*06h */
878 	u8 sge_count;		/*07h */
879 
880 	u32 context;		/*08h */
881 	u32 pad_0;		/*0Ch */
882 
883 	u16 flags;		/*10h */
884 	u16 timeout;		/*12h */
885 	u32 data_xferlen;	/*14h */
886 
887 } __attribute__ ((packed));
888 
889 union megasas_sgl_frame {
890 
891 	struct megasas_sge32 sge32[8];
892 	struct megasas_sge64 sge64[5];
893 
894 } __attribute__ ((packed));
895 
896 struct megasas_init_frame {
897 
898 	u8 cmd;			/*00h */
899 	u8 reserved_0;		/*01h */
900 	u8 cmd_status;		/*02h */
901 
902 	u8 reserved_1;		/*03h */
903 	u32 reserved_2;		/*04h */
904 
905 	u32 context;		/*08h */
906 	u32 pad_0;		/*0Ch */
907 
908 	u16 flags;		/*10h */
909 	u16 reserved_3;		/*12h */
910 	u32 data_xfer_len;	/*14h */
911 
912 	u32 queue_info_new_phys_addr_lo;	/*18h */
913 	u32 queue_info_new_phys_addr_hi;	/*1Ch */
914 	u32 queue_info_old_phys_addr_lo;	/*20h */
915 	u32 queue_info_old_phys_addr_hi;	/*24h */
916 
917 	u32 reserved_4[6];	/*28h */
918 
919 } __attribute__ ((packed));
920 
921 struct megasas_init_queue_info {
922 
923 	u32 init_flags;		/*00h */
924 	u32 reply_queue_entries;	/*04h */
925 
926 	u32 reply_queue_start_phys_addr_lo;	/*08h */
927 	u32 reply_queue_start_phys_addr_hi;	/*0Ch */
928 	u32 producer_index_phys_addr_lo;	/*10h */
929 	u32 producer_index_phys_addr_hi;	/*14h */
930 	u32 consumer_index_phys_addr_lo;	/*18h */
931 	u32 consumer_index_phys_addr_hi;	/*1Ch */
932 
933 } __attribute__ ((packed));
934 
935 struct megasas_io_frame {
936 
937 	u8 cmd;			/*00h */
938 	u8 sense_len;		/*01h */
939 	u8 cmd_status;		/*02h */
940 	u8 scsi_status;		/*03h */
941 
942 	u8 target_id;		/*04h */
943 	u8 access_byte;		/*05h */
944 	u8 reserved_0;		/*06h */
945 	u8 sge_count;		/*07h */
946 
947 	u32 context;		/*08h */
948 	u32 pad_0;		/*0Ch */
949 
950 	u16 flags;		/*10h */
951 	u16 timeout;		/*12h */
952 	u32 lba_count;		/*14h */
953 
954 	u32 sense_buf_phys_addr_lo;	/*18h */
955 	u32 sense_buf_phys_addr_hi;	/*1Ch */
956 
957 	u32 start_lba_lo;	/*20h */
958 	u32 start_lba_hi;	/*24h */
959 
960 	union megasas_sgl sgl;	/*28h */
961 
962 } __attribute__ ((packed));
963 
964 struct megasas_pthru_frame {
965 
966 	u8 cmd;			/*00h */
967 	u8 sense_len;		/*01h */
968 	u8 cmd_status;		/*02h */
969 	u8 scsi_status;		/*03h */
970 
971 	u8 target_id;		/*04h */
972 	u8 lun;			/*05h */
973 	u8 cdb_len;		/*06h */
974 	u8 sge_count;		/*07h */
975 
976 	u32 context;		/*08h */
977 	u32 pad_0;		/*0Ch */
978 
979 	u16 flags;		/*10h */
980 	u16 timeout;		/*12h */
981 	u32 data_xfer_len;	/*14h */
982 
983 	u32 sense_buf_phys_addr_lo;	/*18h */
984 	u32 sense_buf_phys_addr_hi;	/*1Ch */
985 
986 	u8 cdb[16];		/*20h */
987 	union megasas_sgl sgl;	/*30h */
988 
989 } __attribute__ ((packed));
990 
991 struct megasas_dcmd_frame {
992 
993 	u8 cmd;			/*00h */
994 	u8 reserved_0;		/*01h */
995 	u8 cmd_status;		/*02h */
996 	u8 reserved_1[4];	/*03h */
997 	u8 sge_count;		/*07h */
998 
999 	u32 context;		/*08h */
1000 	u32 pad_0;		/*0Ch */
1001 
1002 	u16 flags;		/*10h */
1003 	u16 timeout;		/*12h */
1004 
1005 	u32 data_xfer_len;	/*14h */
1006 	u32 opcode;		/*18h */
1007 
1008 	union {			/*1Ch */
1009 		u8 b[12];
1010 		u16 s[6];
1011 		u32 w[3];
1012 	} mbox;
1013 
1014 	union megasas_sgl sgl;	/*28h */
1015 
1016 } __attribute__ ((packed));
1017 
1018 struct megasas_abort_frame {
1019 
1020 	u8 cmd;			/*00h */
1021 	u8 reserved_0;		/*01h */
1022 	u8 cmd_status;		/*02h */
1023 
1024 	u8 reserved_1;		/*03h */
1025 	u32 reserved_2;		/*04h */
1026 
1027 	u32 context;		/*08h */
1028 	u32 pad_0;		/*0Ch */
1029 
1030 	u16 flags;		/*10h */
1031 	u16 reserved_3;		/*12h */
1032 	u32 reserved_4;		/*14h */
1033 
1034 	u32 abort_context;	/*18h */
1035 	u32 pad_1;		/*1Ch */
1036 
1037 	u32 abort_mfi_phys_addr_lo;	/*20h */
1038 	u32 abort_mfi_phys_addr_hi;	/*24h */
1039 
1040 	u32 reserved_5[6];	/*28h */
1041 
1042 } __attribute__ ((packed));
1043 
1044 struct megasas_smp_frame {
1045 
1046 	u8 cmd;			/*00h */
1047 	u8 reserved_1;		/*01h */
1048 	u8 cmd_status;		/*02h */
1049 	u8 connection_status;	/*03h */
1050 
1051 	u8 reserved_2[3];	/*04h */
1052 	u8 sge_count;		/*07h */
1053 
1054 	u32 context;		/*08h */
1055 	u32 pad_0;		/*0Ch */
1056 
1057 	u16 flags;		/*10h */
1058 	u16 timeout;		/*12h */
1059 
1060 	u32 data_xfer_len;	/*14h */
1061 	u64 sas_addr;		/*18h */
1062 
1063 	union {
1064 		struct megasas_sge32 sge32[2];	/* [0]: resp [1]: req */
1065 		struct megasas_sge64 sge64[2];	/* [0]: resp [1]: req */
1066 	} sgl;
1067 
1068 } __attribute__ ((packed));
1069 
1070 struct megasas_stp_frame {
1071 
1072 	u8 cmd;			/*00h */
1073 	u8 reserved_1;		/*01h */
1074 	u8 cmd_status;		/*02h */
1075 	u8 reserved_2;		/*03h */
1076 
1077 	u8 target_id;		/*04h */
1078 	u8 reserved_3[2];	/*05h */
1079 	u8 sge_count;		/*07h */
1080 
1081 	u32 context;		/*08h */
1082 	u32 pad_0;		/*0Ch */
1083 
1084 	u16 flags;		/*10h */
1085 	u16 timeout;		/*12h */
1086 
1087 	u32 data_xfer_len;	/*14h */
1088 
1089 	u16 fis[10];		/*18h */
1090 	u32 stp_flags;
1091 
1092 	union {
1093 		struct megasas_sge32 sge32[2];	/* [0]: resp [1]: data */
1094 		struct megasas_sge64 sge64[2];	/* [0]: resp [1]: data */
1095 	} sgl;
1096 
1097 } __attribute__ ((packed));
1098 
1099 union megasas_frame {
1100 
1101 	struct megasas_header hdr;
1102 	struct megasas_init_frame init;
1103 	struct megasas_io_frame io;
1104 	struct megasas_pthru_frame pthru;
1105 	struct megasas_dcmd_frame dcmd;
1106 	struct megasas_abort_frame abort;
1107 	struct megasas_smp_frame smp;
1108 	struct megasas_stp_frame stp;
1109 
1110 	u8 raw_bytes[64];
1111 };
1112 
1113 struct megasas_cmd;
1114 
1115 union megasas_evt_class_locale {
1116 
1117 	struct {
1118 		u16 locale;
1119 		u8 reserved;
1120 		s8 class;
1121 	} __attribute__ ((packed)) members;
1122 
1123 	u32 word;
1124 
1125 } __attribute__ ((packed));
1126 
1127 struct megasas_evt_log_info {
1128 	u32 newest_seq_num;
1129 	u32 oldest_seq_num;
1130 	u32 clear_seq_num;
1131 	u32 shutdown_seq_num;
1132 	u32 boot_seq_num;
1133 
1134 } __attribute__ ((packed));
1135 
1136 struct megasas_progress {
1137 
1138 	u16 progress;
1139 	u16 elapsed_seconds;
1140 
1141 } __attribute__ ((packed));
1142 
1143 struct megasas_evtarg_ld {
1144 
1145 	u16 target_id;
1146 	u8 ld_index;
1147 	u8 reserved;
1148 
1149 } __attribute__ ((packed));
1150 
1151 struct megasas_evtarg_pd {
1152 	u16 device_id;
1153 	u8 encl_index;
1154 	u8 slot_number;
1155 
1156 } __attribute__ ((packed));
1157 
1158 struct megasas_evt_detail {
1159 
1160 	u32 seq_num;
1161 	u32 time_stamp;
1162 	u32 code;
1163 	union megasas_evt_class_locale cl;
1164 	u8 arg_type;
1165 	u8 reserved1[15];
1166 
1167 	union {
1168 		struct {
1169 			struct megasas_evtarg_pd pd;
1170 			u8 cdb_length;
1171 			u8 sense_length;
1172 			u8 reserved[2];
1173 			u8 cdb[16];
1174 			u8 sense[64];
1175 		} __attribute__ ((packed)) cdbSense;
1176 
1177 		struct megasas_evtarg_ld ld;
1178 
1179 		struct {
1180 			struct megasas_evtarg_ld ld;
1181 			u64 count;
1182 		} __attribute__ ((packed)) ld_count;
1183 
1184 		struct {
1185 			u64 lba;
1186 			struct megasas_evtarg_ld ld;
1187 		} __attribute__ ((packed)) ld_lba;
1188 
1189 		struct {
1190 			struct megasas_evtarg_ld ld;
1191 			u32 prevOwner;
1192 			u32 newOwner;
1193 		} __attribute__ ((packed)) ld_owner;
1194 
1195 		struct {
1196 			u64 ld_lba;
1197 			u64 pd_lba;
1198 			struct megasas_evtarg_ld ld;
1199 			struct megasas_evtarg_pd pd;
1200 		} __attribute__ ((packed)) ld_lba_pd_lba;
1201 
1202 		struct {
1203 			struct megasas_evtarg_ld ld;
1204 			struct megasas_progress prog;
1205 		} __attribute__ ((packed)) ld_prog;
1206 
1207 		struct {
1208 			struct megasas_evtarg_ld ld;
1209 			u32 prev_state;
1210 			u32 new_state;
1211 		} __attribute__ ((packed)) ld_state;
1212 
1213 		struct {
1214 			u64 strip;
1215 			struct megasas_evtarg_ld ld;
1216 		} __attribute__ ((packed)) ld_strip;
1217 
1218 		struct megasas_evtarg_pd pd;
1219 
1220 		struct {
1221 			struct megasas_evtarg_pd pd;
1222 			u32 err;
1223 		} __attribute__ ((packed)) pd_err;
1224 
1225 		struct {
1226 			u64 lba;
1227 			struct megasas_evtarg_pd pd;
1228 		} __attribute__ ((packed)) pd_lba;
1229 
1230 		struct {
1231 			u64 lba;
1232 			struct megasas_evtarg_pd pd;
1233 			struct megasas_evtarg_ld ld;
1234 		} __attribute__ ((packed)) pd_lba_ld;
1235 
1236 		struct {
1237 			struct megasas_evtarg_pd pd;
1238 			struct megasas_progress prog;
1239 		} __attribute__ ((packed)) pd_prog;
1240 
1241 		struct {
1242 			struct megasas_evtarg_pd pd;
1243 			u32 prevState;
1244 			u32 newState;
1245 		} __attribute__ ((packed)) pd_state;
1246 
1247 		struct {
1248 			u16 vendorId;
1249 			u16 deviceId;
1250 			u16 subVendorId;
1251 			u16 subDeviceId;
1252 		} __attribute__ ((packed)) pci;
1253 
1254 		u32 rate;
1255 		char str[96];
1256 
1257 		struct {
1258 			u32 rtc;
1259 			u32 elapsedSeconds;
1260 		} __attribute__ ((packed)) time;
1261 
1262 		struct {
1263 			u32 ecar;
1264 			u32 elog;
1265 			char str[64];
1266 		} __attribute__ ((packed)) ecc;
1267 
1268 		u8 b[96];
1269 		u16 s[48];
1270 		u32 w[24];
1271 		u64 d[12];
1272 	} args;
1273 
1274 	char description[128];
1275 
1276 } __attribute__ ((packed));
1277 
1278 struct megasas_aen_event {
1279 	struct delayed_work hotplug_work;
1280 	struct megasas_instance *instance;
1281 };
1282 
1283 struct megasas_irq_context {
1284 	struct megasas_instance *instance;
1285 	u32 MSIxIndex;
1286 };
1287 
1288 struct megasas_instance {
1289 
1290 	u32 *producer;
1291 	dma_addr_t producer_h;
1292 	u32 *consumer;
1293 	dma_addr_t consumer_h;
1294 
1295 	u32 *reply_queue;
1296 	dma_addr_t reply_queue_h;
1297 
1298 	unsigned long base_addr;
1299 	struct megasas_register_set __iomem *reg_set;
1300 
1301 	struct megasas_pd_list          pd_list[MEGASAS_MAX_PD];
1302 	u8     ld_ids[MEGASAS_MAX_LD_IDS];
1303 	s8 init_id;
1304 
1305 	u16 max_num_sge;
1306 	u16 max_fw_cmds;
1307 	/* For Fusion its num IOCTL cmds, for others MFI based its
1308 	   max_fw_cmds */
1309 	u16 max_mfi_cmds;
1310 	u32 max_sectors_per_req;
1311 	struct megasas_aen_event *ev;
1312 
1313 	struct megasas_cmd **cmd_list;
1314 	struct list_head cmd_pool;
1315 	/* used to sync fire the cmd to fw */
1316 	spinlock_t cmd_pool_lock;
1317 	/* used to sync fire the cmd to fw */
1318 	spinlock_t hba_lock;
1319 	/* used to synch producer, consumer ptrs in dpc */
1320 	spinlock_t completion_lock;
1321 	struct dma_pool *frame_dma_pool;
1322 	struct dma_pool *sense_dma_pool;
1323 
1324 	struct megasas_evt_detail *evt_detail;
1325 	dma_addr_t evt_detail_h;
1326 	struct megasas_cmd *aen_cmd;
1327 	struct mutex aen_mutex;
1328 	struct semaphore ioctl_sem;
1329 
1330 	struct Scsi_Host *host;
1331 
1332 	wait_queue_head_t int_cmd_wait_q;
1333 	wait_queue_head_t abort_cmd_wait_q;
1334 
1335 	struct pci_dev *pdev;
1336 	u32 unique_id;
1337 	u32 fw_support_ieee;
1338 
1339 	atomic_t fw_outstanding;
1340 	atomic_t fw_reset_no_pci_access;
1341 
1342 	struct megasas_instance_template *instancet;
1343 	struct tasklet_struct isr_tasklet;
1344 	struct work_struct work_init;
1345 
1346 	u8 flag;
1347 	u8 unload;
1348 	u8 flag_ieee;
1349 	u8 issuepend_done;
1350 	u8 disableOnlineCtrlReset;
1351 	u8 adprecovery;
1352 	unsigned long last_time;
1353 	u32 mfiStatus;
1354 	u32 last_seq_num;
1355 
1356 	struct list_head internal_reset_pending_q;
1357 
1358 	/* Ptr to hba specific information */
1359 	void *ctrl_context;
1360 	unsigned int msix_vectors;
1361 	struct msix_entry msixentry[MEGASAS_MAX_MSIX_QUEUES];
1362 	struct megasas_irq_context irq_context[MEGASAS_MAX_MSIX_QUEUES];
1363 	u64 map_id;
1364 	struct megasas_cmd *map_update_cmd;
1365 	unsigned long bar;
1366 	long reset_flags;
1367 	struct mutex reset_mutex;
1368 	int throttlequeuedepth;
1369 };
1370 
1371 enum {
1372 	MEGASAS_HBA_OPERATIONAL			= 0,
1373 	MEGASAS_ADPRESET_SM_INFAULT		= 1,
1374 	MEGASAS_ADPRESET_SM_FW_RESET_SUCCESS	= 2,
1375 	MEGASAS_ADPRESET_SM_OPERATIONAL		= 3,
1376 	MEGASAS_HW_CRITICAL_ERROR		= 4,
1377 	MEGASAS_ADPRESET_INPROG_SIGN		= 0xDEADDEAD,
1378 };
1379 
1380 struct megasas_instance_template {
1381 	void (*fire_cmd)(struct megasas_instance *, dma_addr_t, \
1382 		u32, struct megasas_register_set __iomem *);
1383 
1384 	void (*enable_intr)(struct megasas_register_set __iomem *) ;
1385 	void (*disable_intr)(struct megasas_register_set __iomem *);
1386 
1387 	int (*clear_intr)(struct megasas_register_set __iomem *);
1388 
1389 	u32 (*read_fw_status_reg)(struct megasas_register_set __iomem *);
1390 	int (*adp_reset)(struct megasas_instance *, \
1391 		struct megasas_register_set __iomem *);
1392 	int (*check_reset)(struct megasas_instance *, \
1393 		struct megasas_register_set __iomem *);
1394 	irqreturn_t (*service_isr)(int irq, void *devp);
1395 	void (*tasklet)(unsigned long);
1396 	u32 (*init_adapter)(struct megasas_instance *);
1397 	u32 (*build_and_issue_cmd) (struct megasas_instance *,
1398 				    struct scsi_cmnd *);
1399 	void (*issue_dcmd) (struct megasas_instance *instance,
1400 			    struct megasas_cmd *cmd);
1401 };
1402 
1403 #define MEGASAS_IS_LOGICAL(scp)						\
1404 	(scp->device->channel < MEGASAS_MAX_PD_CHANNELS) ? 0 : 1
1405 
1406 #define MEGASAS_DEV_INDEX(inst, scp)					\
1407 	((scp->device->channel % 2) * MEGASAS_MAX_DEV_PER_CHANNEL) + 	\
1408 	scp->device->id
1409 
1410 struct megasas_cmd {
1411 
1412 	union megasas_frame *frame;
1413 	dma_addr_t frame_phys_addr;
1414 	u8 *sense;
1415 	dma_addr_t sense_phys_addr;
1416 
1417 	u32 index;
1418 	u8 sync_cmd;
1419 	u8 cmd_status;
1420 	u8 abort_aen;
1421 	u8 retry_for_fw_reset;
1422 
1423 
1424 	struct list_head list;
1425 	struct scsi_cmnd *scmd;
1426 	struct megasas_instance *instance;
1427 	union {
1428 		struct {
1429 			u16 smid;
1430 			u16 resvd;
1431 		} context;
1432 		u32 frame_count;
1433 	};
1434 };
1435 
1436 #define MAX_MGMT_ADAPTERS		1024
1437 #define MAX_IOCTL_SGE			16
1438 
1439 struct megasas_iocpacket {
1440 
1441 	u16 host_no;
1442 	u16 __pad1;
1443 	u32 sgl_off;
1444 	u32 sge_count;
1445 	u32 sense_off;
1446 	u32 sense_len;
1447 	union {
1448 		u8 raw[128];
1449 		struct megasas_header hdr;
1450 	} frame;
1451 
1452 	struct iovec sgl[MAX_IOCTL_SGE];
1453 
1454 } __attribute__ ((packed));
1455 
1456 struct megasas_aen {
1457 	u16 host_no;
1458 	u16 __pad1;
1459 	u32 seq_num;
1460 	u32 class_locale_word;
1461 } __attribute__ ((packed));
1462 
1463 #ifdef CONFIG_COMPAT
1464 struct compat_megasas_iocpacket {
1465 	u16 host_no;
1466 	u16 __pad1;
1467 	u32 sgl_off;
1468 	u32 sge_count;
1469 	u32 sense_off;
1470 	u32 sense_len;
1471 	union {
1472 		u8 raw[128];
1473 		struct megasas_header hdr;
1474 	} frame;
1475 	struct compat_iovec sgl[MAX_IOCTL_SGE];
1476 } __attribute__ ((packed));
1477 
1478 #define MEGASAS_IOC_FIRMWARE32	_IOWR('M', 1, struct compat_megasas_iocpacket)
1479 #endif
1480 
1481 #define MEGASAS_IOC_FIRMWARE	_IOWR('M', 1, struct megasas_iocpacket)
1482 #define MEGASAS_IOC_GET_AEN	_IOW('M', 3, struct megasas_aen)
1483 
1484 struct megasas_mgmt_info {
1485 
1486 	u16 count;
1487 	struct megasas_instance *instance[MAX_MGMT_ADAPTERS];
1488 	int max_index;
1489 };
1490 
1491 #define msi_control_reg(base) (base + PCI_MSI_FLAGS)
1492 #define PCI_MSIX_FLAGS_ENABLE (1 << 15)
1493 
1494 #endif				/*LSI_MEGARAID_SAS_H */
1495