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