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