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ring-buffer: Reset "real_end" when page is filled
[linux-2.6/linux-acpi-2.6/ibm-acpi-2.6.git] / drivers / scsi / megaraid / megaraid_sas.h
blob9d8b6bf605aa39800a770cf1c4a2601b3f7b245c
1 /*
2 *
3 * Linux MegaRAID driver for SAS based RAID controllers
4 *
5 * Copyright (c) 2003-2005 LSI Corporation.
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
10 * 2 of the License, or (at your option) any later version.
11 *
12 * FILE : megaraid_sas.h
13 */
14
15 #ifndef LSI_MEGARAID_SAS_H
16 #define LSI_MEGARAID_SAS_H
17
18 /*
19 * MegaRAID SAS Driver meta data
20 */
21 #define MEGASAS_VERSION "00.00.04.17.1-rc1"
22 #define MEGASAS_RELDATE "Oct. 29, 2009"
23 #define MEGASAS_EXT_VERSION "Thu. Oct. 29, 11:41:51 PST 2009"
24
25 /*
26 * Device IDs
27 */
28 #define PCI_DEVICE_ID_LSI_SAS1078R 0x0060
29 #define PCI_DEVICE_ID_LSI_SAS1078DE 0x007C
30 #define PCI_DEVICE_ID_LSI_VERDE_ZCR 0x0413
31 #define PCI_DEVICE_ID_LSI_SAS1078GEN2 0x0078
32 #define PCI_DEVICE_ID_LSI_SAS0079GEN2 0x0079
33 #define PCI_DEVICE_ID_LSI_SAS0073SKINNY 0x0073
34 #define PCI_DEVICE_ID_LSI_SAS0071SKINNY 0x0071
35
36 /*
37 * =====================================
38 * MegaRAID SAS MFI firmware definitions
39 * =====================================
40 */
41
42 /*
43 * MFI stands for MegaRAID SAS FW Interface. This is just a moniker for
44 * protocol between the software and firmware. Commands are issued using
45 * "message frames"
46 */
47
48 /*
49 * FW posts its state in upper 4 bits of outbound_msg_0 register
50 */
51 #define MFI_STATE_MASK 0xF0000000
52 #define MFI_STATE_UNDEFINED 0x00000000
53 #define MFI_STATE_BB_INIT 0x10000000
54 #define MFI_STATE_FW_INIT 0x40000000
55 #define MFI_STATE_WAIT_HANDSHAKE 0x60000000
56 #define MFI_STATE_FW_INIT_2 0x70000000
57 #define MFI_STATE_DEVICE_SCAN 0x80000000
58 #define MFI_STATE_BOOT_MESSAGE_PENDING 0x90000000
59 #define MFI_STATE_FLUSH_CACHE 0xA0000000
60 #define MFI_STATE_READY 0xB0000000
61 #define MFI_STATE_OPERATIONAL 0xC0000000
62 #define MFI_STATE_FAULT 0xF0000000
63
64 #define MEGAMFI_FRAME_SIZE 64
65
66 /*
67 * During FW init, clear pending cmds & reset state using inbound_msg_0
68 *
69 * ABORT : Abort all pending cmds
70 * READY : Move from OPERATIONAL to READY state; discard queue info
71 * MFIMODE : Discard (possible) low MFA posted in 64-bit mode (??)
72 * CLR_HANDSHAKE: FW is waiting for HANDSHAKE from BIOS or Driver
73 * HOTPLUG : Resume from Hotplug
74 * MFI_STOP_ADP : Send signal to FW to stop processing
75 */
76 #define MFI_INIT_ABORT 0x00000001
77 #define MFI_INIT_READY 0x00000002
78 #define MFI_INIT_MFIMODE 0x00000004
79 #define MFI_INIT_CLEAR_HANDSHAKE 0x00000008
80 #define MFI_INIT_HOTPLUG 0x00000010
81 #define MFI_STOP_ADP 0x00000020
82 #define MFI_RESET_FLAGS MFI_INIT_READY| \
83 MFI_INIT_MFIMODE| \
84 MFI_INIT_ABORT
85
86 /*
87 * MFI frame flags
88 */
89 #define MFI_FRAME_POST_IN_REPLY_QUEUE 0x0000
90 #define MFI_FRAME_DONT_POST_IN_REPLY_QUEUE 0x0001
91 #define MFI_FRAME_SGL32 0x0000
92 #define MFI_FRAME_SGL64 0x0002
93 #define MFI_FRAME_SENSE32 0x0000
94 #define MFI_FRAME_SENSE64 0x0004
95 #define MFI_FRAME_DIR_NONE 0x0000
96 #define MFI_FRAME_DIR_WRITE 0x0008
97 #define MFI_FRAME_DIR_READ 0x0010
98 #define MFI_FRAME_DIR_BOTH 0x0018
99 #define MFI_FRAME_IEEE 0x0020
100
101 /*
102 * Definition for cmd_status
103 */
104 #define MFI_CMD_STATUS_POLL_MODE 0xFF
105
106 /*
107 * MFI command opcodes
108 */
109 #define MFI_CMD_INIT 0x00
110 #define MFI_CMD_LD_READ 0x01
111 #define MFI_CMD_LD_WRITE 0x02
112 #define MFI_CMD_LD_SCSI_IO 0x03
113 #define MFI_CMD_PD_SCSI_IO 0x04
114 #define MFI_CMD_DCMD 0x05
115 #define MFI_CMD_ABORT 0x06
116 #define MFI_CMD_SMP 0x07
117 #define MFI_CMD_STP 0x08
118
119 #define MR_DCMD_CTRL_GET_INFO 0x01010000
120 #define MR_DCMD_LD_GET_LIST 0x03010000
121
122 #define MR_DCMD_CTRL_CACHE_FLUSH 0x01101000
123 #define MR_FLUSH_CTRL_CACHE 0x01
124 #define MR_FLUSH_DISK_CACHE 0x02
125
126 #define MR_DCMD_CTRL_SHUTDOWN 0x01050000
127 #define MR_DCMD_HIBERNATE_SHUTDOWN 0x01060000
128 #define MR_ENABLE_DRIVE_SPINDOWN 0x01
129
130 #define MR_DCMD_CTRL_EVENT_GET_INFO 0x01040100
131 #define MR_DCMD_CTRL_EVENT_GET 0x01040300
132 #define MR_DCMD_CTRL_EVENT_WAIT 0x01040500
133 #define MR_DCMD_LD_GET_PROPERTIES 0x03030000
134
135 #define MR_DCMD_CLUSTER 0x08000000
136 #define MR_DCMD_CLUSTER_RESET_ALL 0x08010100
137 #define MR_DCMD_CLUSTER_RESET_LD 0x08010200
138 #define MR_DCMD_PD_LIST_QUERY 0x02010100
139
140 /*
141 * MFI command completion codes
142 */
143 enum MFI_STAT {
144 MFI_STAT_OK = 0x00,
145 MFI_STAT_INVALID_CMD = 0x01,
146 MFI_STAT_INVALID_DCMD = 0x02,
147 MFI_STAT_INVALID_PARAMETER = 0x03,
148 MFI_STAT_INVALID_SEQUENCE_NUMBER = 0x04,
149 MFI_STAT_ABORT_NOT_POSSIBLE = 0x05,
150 MFI_STAT_APP_HOST_CODE_NOT_FOUND = 0x06,
151 MFI_STAT_APP_IN_USE = 0x07,
152 MFI_STAT_APP_NOT_INITIALIZED = 0x08,
153 MFI_STAT_ARRAY_INDEX_INVALID = 0x09,
154 MFI_STAT_ARRAY_ROW_NOT_EMPTY = 0x0a,
155 MFI_STAT_CONFIG_RESOURCE_CONFLICT = 0x0b,
156 MFI_STAT_DEVICE_NOT_FOUND = 0x0c,
157 MFI_STAT_DRIVE_TOO_SMALL = 0x0d,
158 MFI_STAT_FLASH_ALLOC_FAIL = 0x0e,
159 MFI_STAT_FLASH_BUSY = 0x0f,
160 MFI_STAT_FLASH_ERROR = 0x10,
161 MFI_STAT_FLASH_IMAGE_BAD = 0x11,
162 MFI_STAT_FLASH_IMAGE_INCOMPLETE = 0x12,
163 MFI_STAT_FLASH_NOT_OPEN = 0x13,
164 MFI_STAT_FLASH_NOT_STARTED = 0x14,
165 MFI_STAT_FLUSH_FAILED = 0x15,
166 MFI_STAT_HOST_CODE_NOT_FOUNT = 0x16,
167 MFI_STAT_LD_CC_IN_PROGRESS = 0x17,
168 MFI_STAT_LD_INIT_IN_PROGRESS = 0x18,
169 MFI_STAT_LD_LBA_OUT_OF_RANGE = 0x19,
170 MFI_STAT_LD_MAX_CONFIGURED = 0x1a,
171 MFI_STAT_LD_NOT_OPTIMAL = 0x1b,
172 MFI_STAT_LD_RBLD_IN_PROGRESS = 0x1c,
173 MFI_STAT_LD_RECON_IN_PROGRESS = 0x1d,
174 MFI_STAT_LD_WRONG_RAID_LEVEL = 0x1e,
175 MFI_STAT_MAX_SPARES_EXCEEDED = 0x1f,
176 MFI_STAT_MEMORY_NOT_AVAILABLE = 0x20,
177 MFI_STAT_MFC_HW_ERROR = 0x21,
178 MFI_STAT_NO_HW_PRESENT = 0x22,
179 MFI_STAT_NOT_FOUND = 0x23,
180 MFI_STAT_NOT_IN_ENCL = 0x24,
181 MFI_STAT_PD_CLEAR_IN_PROGRESS = 0x25,
182 MFI_STAT_PD_TYPE_WRONG = 0x26,
183 MFI_STAT_PR_DISABLED = 0x27,
184 MFI_STAT_ROW_INDEX_INVALID = 0x28,
185 MFI_STAT_SAS_CONFIG_INVALID_ACTION = 0x29,
186 MFI_STAT_SAS_CONFIG_INVALID_DATA = 0x2a,
187 MFI_STAT_SAS_CONFIG_INVALID_PAGE = 0x2b,
188 MFI_STAT_SAS_CONFIG_INVALID_TYPE = 0x2c,
189 MFI_STAT_SCSI_DONE_WITH_ERROR = 0x2d,
190 MFI_STAT_SCSI_IO_FAILED = 0x2e,
191 MFI_STAT_SCSI_RESERVATION_CONFLICT = 0x2f,
192 MFI_STAT_SHUTDOWN_FAILED = 0x30,
193 MFI_STAT_TIME_NOT_SET = 0x31,
194 MFI_STAT_WRONG_STATE = 0x32,
195 MFI_STAT_LD_OFFLINE = 0x33,
196 MFI_STAT_PEER_NOTIFICATION_REJECTED = 0x34,
197 MFI_STAT_PEER_NOTIFICATION_FAILED = 0x35,
198 MFI_STAT_RESERVATION_IN_PROGRESS = 0x36,
199 MFI_STAT_I2C_ERRORS_DETECTED = 0x37,
200 MFI_STAT_PCI_ERRORS_DETECTED = 0x38,
201
202 MFI_STAT_INVALID_STATUS = 0xFF
203 };
204
205 /*
206 * Number of mailbox bytes in DCMD message frame
207 */
208 #define MFI_MBOX_SIZE 12
209
210 enum MR_EVT_CLASS {
211
212 MR_EVT_CLASS_DEBUG = -2,
213 MR_EVT_CLASS_PROGRESS = -1,
214 MR_EVT_CLASS_INFO = 0,
215 MR_EVT_CLASS_WARNING = 1,
216 MR_EVT_CLASS_CRITICAL = 2,
217 MR_EVT_CLASS_FATAL = 3,
218 MR_EVT_CLASS_DEAD = 4,
219
220 };
221
222 enum MR_EVT_LOCALE {
223
224 MR_EVT_LOCALE_LD = 0x0001,
225 MR_EVT_LOCALE_PD = 0x0002,
226 MR_EVT_LOCALE_ENCL = 0x0004,
227 MR_EVT_LOCALE_BBU = 0x0008,
228 MR_EVT_LOCALE_SAS = 0x0010,
229 MR_EVT_LOCALE_CTRL = 0x0020,
230 MR_EVT_LOCALE_CONFIG = 0x0040,
231 MR_EVT_LOCALE_CLUSTER = 0x0080,
232 MR_EVT_LOCALE_ALL = 0xffff,
233
234 };
235
236 enum MR_EVT_ARGS {
237
238 MR_EVT_ARGS_NONE,
239 MR_EVT_ARGS_CDB_SENSE,
240 MR_EVT_ARGS_LD,
241 MR_EVT_ARGS_LD_COUNT,
242 MR_EVT_ARGS_LD_LBA,
243 MR_EVT_ARGS_LD_OWNER,
244 MR_EVT_ARGS_LD_LBA_PD_LBA,
245 MR_EVT_ARGS_LD_PROG,
246 MR_EVT_ARGS_LD_STATE,
247 MR_EVT_ARGS_LD_STRIP,
248 MR_EVT_ARGS_PD,
249 MR_EVT_ARGS_PD_ERR,
250 MR_EVT_ARGS_PD_LBA,
251 MR_EVT_ARGS_PD_LBA_LD,
252 MR_EVT_ARGS_PD_PROG,
253 MR_EVT_ARGS_PD_STATE,
254 MR_EVT_ARGS_PCI,
255 MR_EVT_ARGS_RATE,
256 MR_EVT_ARGS_STR,
257 MR_EVT_ARGS_TIME,
258 MR_EVT_ARGS_ECC,
259 MR_EVT_ARGS_LD_PROP,
260 MR_EVT_ARGS_PD_SPARE,
261 MR_EVT_ARGS_PD_INDEX,
262 MR_EVT_ARGS_DIAG_PASS,
263 MR_EVT_ARGS_DIAG_FAIL,
264 MR_EVT_ARGS_PD_LBA_LBA,
265 MR_EVT_ARGS_PORT_PHY,
266 MR_EVT_ARGS_PD_MISSING,
267 MR_EVT_ARGS_PD_ADDRESS,
268 MR_EVT_ARGS_BITMAP,
269 MR_EVT_ARGS_CONNECTOR,
270 MR_EVT_ARGS_PD_PD,
271 MR_EVT_ARGS_PD_FRU,
272 MR_EVT_ARGS_PD_PATHINFO,
273 MR_EVT_ARGS_PD_POWER_STATE,
274 MR_EVT_ARGS_GENERIC,
275 };
276
277 /*
278 * define constants for device list query options
279 */
280 enum MR_PD_QUERY_TYPE {
281 MR_PD_QUERY_TYPE_ALL = 0,
282 MR_PD_QUERY_TYPE_STATE = 1,
283 MR_PD_QUERY_TYPE_POWER_STATE = 2,
284 MR_PD_QUERY_TYPE_MEDIA_TYPE = 3,
285 MR_PD_QUERY_TYPE_SPEED = 4,
286 MR_PD_QUERY_TYPE_EXPOSED_TO_HOST = 5,
287 };
288
289 #define MR_EVT_CFG_CLEARED 0x0004
290 #define MR_EVT_LD_STATE_CHANGE 0x0051
291 #define MR_EVT_PD_INSERTED 0x005b
292 #define MR_EVT_PD_REMOVED 0x0070
293 #define MR_EVT_LD_CREATED 0x008a
294 #define MR_EVT_LD_DELETED 0x008b
295 #define MR_EVT_FOREIGN_CFG_IMPORTED 0x00db
296 #define MR_EVT_LD_OFFLINE 0x00fc
297 #define MR_EVT_CTRL_HOST_BUS_SCAN_REQUESTED 0x0152
298 #define MAX_LOGICAL_DRIVES 64
299
300 enum MR_PD_STATE {
301 MR_PD_STATE_UNCONFIGURED_GOOD = 0x00,
302 MR_PD_STATE_UNCONFIGURED_BAD = 0x01,
303 MR_PD_STATE_HOT_SPARE = 0x02,
304 MR_PD_STATE_OFFLINE = 0x10,
305 MR_PD_STATE_FAILED = 0x11,
306 MR_PD_STATE_REBUILD = 0x14,
307 MR_PD_STATE_ONLINE = 0x18,
308 MR_PD_STATE_COPYBACK = 0x20,
309 MR_PD_STATE_SYSTEM = 0x40,
310 };
311
312
313 /*
314 * defines the physical drive address structure
315 */
316 struct MR_PD_ADDRESS {
317 u16 deviceId;
318 u16 enclDeviceId;
319
320 union {
321 struct {
322 u8 enclIndex;
323 u8 slotNumber;
324 } mrPdAddress;
325 struct {
326 u8 enclPosition;
327 u8 enclConnectorIndex;
328 } mrEnclAddress;
329 };
330 u8 scsiDevType;
331 union {
332 u8 connectedPortBitmap;
333 u8 connectedPortNumbers;
334 };
335 u64 sasAddr[2];
336 } __packed;
337
338 /*
339 * defines the physical drive list structure
340 */
341 struct MR_PD_LIST {
342 u32 size;
343 u32 count;
344 struct MR_PD_ADDRESS addr[1];
345 } __packed;
346
347 struct megasas_pd_list {
348 u16 tid;
349 u8 driveType;
350 u8 driveState;
351 } __packed;
352
353 /*
354 * defines the logical drive reference structure
355 */
356 union MR_LD_REF {
357 struct {
358 u8 targetId;
359 u8 reserved;
360 u16 seqNum;
361 };
362 u32 ref;
363 } __packed;
364
365 /*
366 * defines the logical drive list structure
367 */
368 struct MR_LD_LIST {
369 u32 ldCount;
370 u32 reserved;
371 struct {
372 union MR_LD_REF ref;
373 u8 state;
374 u8 reserved[3];
375 u64 size;
376 } ldList[MAX_LOGICAL_DRIVES];
377 } __packed;
378
379 /*
380 * SAS controller properties
381 */
382 struct megasas_ctrl_prop {
383
384 u16 seq_num;
385 u16 pred_fail_poll_interval;
386 u16 intr_throttle_count;
387 u16 intr_throttle_timeouts;
388 u8 rebuild_rate;
389 u8 patrol_read_rate;
390 u8 bgi_rate;
391 u8 cc_rate;
392 u8 recon_rate;
393 u8 cache_flush_interval;
394 u8 spinup_drv_count;
395 u8 spinup_delay;
396 u8 cluster_enable;
397 u8 coercion_mode;
398 u8 alarm_enable;
399 u8 disable_auto_rebuild;
400 u8 disable_battery_warn;
401 u8 ecc_bucket_size;
402 u16 ecc_bucket_leak_rate;
403 u8 restore_hotspare_on_insertion;
404 u8 expose_encl_devices;
405 u8 reserved[38];
406
407 } __packed;
408
409 /*
410 * SAS controller information
411 */
412 struct megasas_ctrl_info {
413
414 /*
415 * PCI device information
416 */
417 struct {
418
419 u16 vendor_id;
420 u16 device_id;
421 u16 sub_vendor_id;
422 u16 sub_device_id;
423 u8 reserved[24];
424
425 } __attribute__ ((packed)) pci;
426
427 /*
428 * Host interface information
429 */
430 struct {
431
432 u8 PCIX:1;
433 u8 PCIE:1;
434 u8 iSCSI:1;
435 u8 SAS_3G:1;
436 u8 reserved_0:4;
437 u8 reserved_1[6];
438 u8 port_count;
439 u64 port_addr[8];
440
441 } __attribute__ ((packed)) host_interface;
442
443 /*
444 * Device (backend) interface information
445 */
446 struct {
447
448 u8 SPI:1;
449 u8 SAS_3G:1;
450 u8 SATA_1_5G:1;
451 u8 SATA_3G:1;
452 u8 reserved_0:4;
453 u8 reserved_1[6];
454 u8 port_count;
455 u64 port_addr[8];
456
457 } __attribute__ ((packed)) device_interface;
458
459 /*
460 * List of components residing in flash. All str are null terminated
461 */
462 u32 image_check_word;
463 u32 image_component_count;
464
465 struct {
466
467 char name[8];
468 char version[32];
469 char build_date[16];
470 char built_time[16];
471
472 } __attribute__ ((packed)) image_component[8];
473
474 /*
475 * List of flash components that have been flashed on the card, but
476 * are not in use, pending reset of the adapter. This list will be
477 * empty if a flash operation has not occurred. All stings are null
478 * terminated
479 */
480 u32 pending_image_component_count;
481
482 struct {
483
484 char name[8];
485 char version[32];
486 char build_date[16];
487 char build_time[16];
488
489 } __attribute__ ((packed)) pending_image_component[8];
490
491 u8 max_arms;
492 u8 max_spans;
493 u8 max_arrays;
494 u8 max_lds;
495
496 char product_name[80];
497 char serial_no[32];
498
499 /*
500 * Other physical/controller/operation information. Indicates the
501 * presence of the hardware
502 */
503 struct {
504
505 u32 bbu:1;
506 u32 alarm:1;
507 u32 nvram:1;
508 u32 uart:1;
509 u32 reserved:28;
510
511 } __attribute__ ((packed)) hw_present;
512
513 u32 current_fw_time;
514
515 /*
516 * Maximum data transfer sizes
517 */
518 u16 max_concurrent_cmds;
519 u16 max_sge_count;
520 u32 max_request_size;
521
522 /*
523 * Logical and physical device counts
524 */
525 u16 ld_present_count;
526 u16 ld_degraded_count;
527 u16 ld_offline_count;
528
529 u16 pd_present_count;
530 u16 pd_disk_present_count;
531 u16 pd_disk_pred_failure_count;
532 u16 pd_disk_failed_count;
533
534 /*
535 * Memory size information
536 */
537 u16 nvram_size;
538 u16 memory_size;
539 u16 flash_size;
540
541 /*
542 * Error counters
543 */
544 u16 mem_correctable_error_count;
545 u16 mem_uncorrectable_error_count;
546
547 /*
548 * Cluster information
549 */
550 u8 cluster_permitted;
551 u8 cluster_active;
552
553 /*
554 * Additional max data transfer sizes
555 */
556 u16 max_strips_per_io;
557
558 /*
559 * Controller capabilities structures
560 */
561 struct {
562
563 u32 raid_level_0:1;
564 u32 raid_level_1:1;
565 u32 raid_level_5:1;
566 u32 raid_level_1E:1;
567 u32 raid_level_6:1;
568 u32 reserved:27;
569
570 } __attribute__ ((packed)) raid_levels;
571
572 struct {
573
574 u32 rbld_rate:1;
575 u32 cc_rate:1;
576 u32 bgi_rate:1;
577 u32 recon_rate:1;
578 u32 patrol_rate:1;
579 u32 alarm_control:1;
580 u32 cluster_supported:1;
581 u32 bbu:1;
582 u32 spanning_allowed:1;
583 u32 dedicated_hotspares:1;
584 u32 revertible_hotspares:1;
585 u32 foreign_config_import:1;
586 u32 self_diagnostic:1;
587 u32 mixed_redundancy_arr:1;
588 u32 global_hot_spares:1;
589 u32 reserved:17;
590
591 } __attribute__ ((packed)) adapter_operations;
592
593 struct {
594
595 u32 read_policy:1;
596 u32 write_policy:1;
597 u32 io_policy:1;
598 u32 access_policy:1;
599 u32 disk_cache_policy:1;
600 u32 reserved:27;
601
602 } __attribute__ ((packed)) ld_operations;
603
604 struct {
605
606 u8 min;
607 u8 max;
608 u8 reserved[2];
609
610 } __attribute__ ((packed)) stripe_sz_ops;
611
612 struct {
613
614 u32 force_online:1;
615 u32 force_offline:1;
616 u32 force_rebuild:1;
617 u32 reserved:29;
618
619 } __attribute__ ((packed)) pd_operations;
620
621 struct {
622
623 u32 ctrl_supports_sas:1;
624 u32 ctrl_supports_sata:1;
625 u32 allow_mix_in_encl:1;
626 u32 allow_mix_in_ld:1;
627 u32 allow_sata_in_cluster:1;
628 u32 reserved:27;
629
630 } __attribute__ ((packed)) pd_mix_support;
631
632 /*
633 * Define ECC single-bit-error bucket information
634 */
635 u8 ecc_bucket_count;
636 u8 reserved_2[11];
637
638 /*
639 * Include the controller properties (changeable items)
640 */
641 struct megasas_ctrl_prop properties;
642
643 /*
644 * Define FW pkg version (set in envt v'bles on OEM basis)
645 */
646 char package_version[0x60];
647
648 u8 pad[0x800 - 0x6a0];
649
650 } __packed;
651
652 /*
653 * ===============================
654 * MegaRAID SAS driver definitions
655 * ===============================
656 */
657 #define MEGASAS_MAX_PD_CHANNELS 2
658 #define MEGASAS_MAX_LD_CHANNELS 2
659 #define MEGASAS_MAX_CHANNELS (MEGASAS_MAX_PD_CHANNELS + \
660 MEGASAS_MAX_LD_CHANNELS)
661 #define MEGASAS_MAX_DEV_PER_CHANNEL 128
662 #define MEGASAS_DEFAULT_INIT_ID -1
663 #define MEGASAS_MAX_LUN 8
664 #define MEGASAS_MAX_LD 64
665 #define MEGASAS_MAX_PD (MEGASAS_MAX_PD_CHANNELS * \
666 MEGASAS_MAX_DEV_PER_CHANNEL)
667 #define MEGASAS_MAX_LD_IDS (MEGASAS_MAX_LD_CHANNELS * \
668 MEGASAS_MAX_DEV_PER_CHANNEL)
669
670 #define MEGASAS_DBG_LVL 1
671
672 #define MEGASAS_FW_BUSY 1
673
674 /* Frame Type */
675 #define IO_FRAME 0
676 #define PTHRU_FRAME 1
677
678 /*
679 * When SCSI mid-layer calls driver's reset routine, driver waits for
680 * MEGASAS_RESET_WAIT_TIME seconds for all outstanding IO to complete. Note
681 * that the driver cannot _actually_ abort or reset pending commands. While
682 * it is waiting for the commands to complete, it prints a diagnostic message
683 * every MEGASAS_RESET_NOTICE_INTERVAL seconds
684 */
685 #define MEGASAS_RESET_WAIT_TIME 180
686 #define MEGASAS_INTERNAL_CMD_WAIT_TIME 180
687 #define MEGASAS_RESET_NOTICE_INTERVAL 5
688 #define MEGASAS_IOCTL_CMD 0
689 #define MEGASAS_DEFAULT_CMD_TIMEOUT 90
690
691 /*
692 * FW reports the maximum of number of commands that it can accept (maximum
693 * commands that can be outstanding) at any time. The driver must report a
694 * lower number to the mid layer because it can issue a few internal commands
695 * itself (E.g, AEN, abort cmd, IOCTLs etc). The number of commands it needs
696 * is shown below
697 */
698 #define MEGASAS_INT_CMDS 32
699 #define MEGASAS_SKINNY_INT_CMDS 5
700
701 /*
702 * FW can accept both 32 and 64 bit SGLs. We want to allocate 32/64 bit
703 * SGLs based on the size of dma_addr_t
704 */
705 #define IS_DMA64 (sizeof(dma_addr_t) == 8)
706
707 #define MFI_OB_INTR_STATUS_MASK 0x00000002
708 #define MFI_POLL_TIMEOUT_SECS 60
709 #define MEGASAS_COMPLETION_TIMER_INTERVAL (HZ/10)
710
711 #define MFI_REPLY_1078_MESSAGE_INTERRUPT 0x80000000
712 #define MFI_REPLY_GEN2_MESSAGE_INTERRUPT 0x00000001
713 #define MFI_GEN2_ENABLE_INTERRUPT_MASK (0x00000001 | 0x00000004)
714 #define MFI_REPLY_SKINNY_MESSAGE_INTERRUPT 0x40000000
715 #define MFI_SKINNY_ENABLE_INTERRUPT_MASK (0x00000001)
716
717 /*
718 * register set for both 1068 and 1078 controllers
719 * structure extended for 1078 registers
720 */
721
722 struct megasas_register_set {
723 u32 reserved_0[4]; /*0000h*/
724
725 u32 inbound_msg_0; /*0010h*/
726 u32 inbound_msg_1; /*0014h*/
727 u32 outbound_msg_0; /*0018h*/
728 u32 outbound_msg_1; /*001Ch*/
729
730 u32 inbound_doorbell; /*0020h*/
731 u32 inbound_intr_status; /*0024h*/
732 u32 inbound_intr_mask; /*0028h*/
733
734 u32 outbound_doorbell; /*002Ch*/
735 u32 outbound_intr_status; /*0030h*/
736 u32 outbound_intr_mask; /*0034h*/
737
738 u32 reserved_1[2]; /*0038h*/
739
740 u32 inbound_queue_port; /*0040h*/
741 u32 outbound_queue_port; /*0044h*/
742
743 u32 reserved_2[22]; /*0048h*/
744
745 u32 outbound_doorbell_clear; /*00A0h*/
746
747 u32 reserved_3[3]; /*00A4h*/
748
749 u32 outbound_scratch_pad ; /*00B0h*/
750
751 u32 reserved_4[3]; /*00B4h*/
752
753 u32 inbound_low_queue_port ; /*00C0h*/
754
755 u32 inbound_high_queue_port ; /*00C4h*/
756
757 u32 reserved_5; /*00C8h*/
758 u32 index_registers[820]; /*00CCh*/
759
760 } __attribute__ ((packed));
761
762 struct megasas_sge32 {
763
764 u32 phys_addr;
765 u32 length;
766
767 } __attribute__ ((packed));
768
769 struct megasas_sge64 {
770
771 u64 phys_addr;
772 u32 length;
773
774 } __attribute__ ((packed));
775
776 struct megasas_sge_skinny {
777 u64 phys_addr;
778 u32 length;
779 u32 flag;
780 } __packed;
781
782 union megasas_sgl {
783
784 struct megasas_sge32 sge32[1];
785 struct megasas_sge64 sge64[1];
786 struct megasas_sge_skinny sge_skinny[1];
787
788 } __attribute__ ((packed));
789
790 struct megasas_header {
791
792 u8 cmd; /*00h */
793 u8 sense_len; /*01h */
794 u8 cmd_status; /*02h */
795 u8 scsi_status; /*03h */
796
797 u8 target_id; /*04h */
798 u8 lun; /*05h */
799 u8 cdb_len; /*06h */
800 u8 sge_count; /*07h */
801
802 u32 context; /*08h */
803 u32 pad_0; /*0Ch */
804
805 u16 flags; /*10h */
806 u16 timeout; /*12h */
807 u32 data_xferlen; /*14h */
808
809 } __attribute__ ((packed));
810
811 union megasas_sgl_frame {
812
813 struct megasas_sge32 sge32[8];
814 struct megasas_sge64 sge64[5];
815
816 } __attribute__ ((packed));
817
818 struct megasas_init_frame {
819
820 u8 cmd; /*00h */
821 u8 reserved_0; /*01h */
822 u8 cmd_status; /*02h */
823
824 u8 reserved_1; /*03h */
825 u32 reserved_2; /*04h */
826
827 u32 context; /*08h */
828 u32 pad_0; /*0Ch */
829
830 u16 flags; /*10h */
831 u16 reserved_3; /*12h */
832 u32 data_xfer_len; /*14h */
833
834 u32 queue_info_new_phys_addr_lo; /*18h */
835 u32 queue_info_new_phys_addr_hi; /*1Ch */
836 u32 queue_info_old_phys_addr_lo; /*20h */
837 u32 queue_info_old_phys_addr_hi; /*24h */
838
839 u32 reserved_4[6]; /*28h */
840
841 } __attribute__ ((packed));
842
843 struct megasas_init_queue_info {
844
845 u32 init_flags; /*00h */
846 u32 reply_queue_entries; /*04h */
847
848 u32 reply_queue_start_phys_addr_lo; /*08h */
849 u32 reply_queue_start_phys_addr_hi; /*0Ch */
850 u32 producer_index_phys_addr_lo; /*10h */
851 u32 producer_index_phys_addr_hi; /*14h */
852 u32 consumer_index_phys_addr_lo; /*18h */
853 u32 consumer_index_phys_addr_hi; /*1Ch */
854
855 } __attribute__ ((packed));
856
857 struct megasas_io_frame {
858
859 u8 cmd; /*00h */
860 u8 sense_len; /*01h */
861 u8 cmd_status; /*02h */
862 u8 scsi_status; /*03h */
863
864 u8 target_id; /*04h */
865 u8 access_byte; /*05h */
866 u8 reserved_0; /*06h */
867 u8 sge_count; /*07h */
868
869 u32 context; /*08h */
870 u32 pad_0; /*0Ch */
871
872 u16 flags; /*10h */
873 u16 timeout; /*12h */
874 u32 lba_count; /*14h */
875
876 u32 sense_buf_phys_addr_lo; /*18h */
877 u32 sense_buf_phys_addr_hi; /*1Ch */
878
879 u32 start_lba_lo; /*20h */
880 u32 start_lba_hi; /*24h */
881
882 union megasas_sgl sgl; /*28h */
883
884 } __attribute__ ((packed));
885
886 struct megasas_pthru_frame {
887
888 u8 cmd; /*00h */
889 u8 sense_len; /*01h */
890 u8 cmd_status; /*02h */
891 u8 scsi_status; /*03h */
892
893 u8 target_id; /*04h */
894 u8 lun; /*05h */
895 u8 cdb_len; /*06h */
896 u8 sge_count; /*07h */
897
898 u32 context; /*08h */
899 u32 pad_0; /*0Ch */
900
901 u16 flags; /*10h */
902 u16 timeout; /*12h */
903 u32 data_xfer_len; /*14h */
904
905 u32 sense_buf_phys_addr_lo; /*18h */
906 u32 sense_buf_phys_addr_hi; /*1Ch */
907
908 u8 cdb[16]; /*20h */
909 union megasas_sgl sgl; /*30h */
910
911 } __attribute__ ((packed));
912
913 struct megasas_dcmd_frame {
914
915 u8 cmd; /*00h */
916 u8 reserved_0; /*01h */
917 u8 cmd_status; /*02h */
918 u8 reserved_1[4]; /*03h */
919 u8 sge_count; /*07h */
920
921 u32 context; /*08h */
922 u32 pad_0; /*0Ch */
923
924 u16 flags; /*10h */
925 u16 timeout; /*12h */
926
927 u32 data_xfer_len; /*14h */
928 u32 opcode; /*18h */
929
930 union { /*1Ch */
931 u8 b[12];
932 u16 s[6];
933 u32 w[3];
934 } mbox;
935
936 union megasas_sgl sgl; /*28h */
937
938 } __attribute__ ((packed));
939
940 struct megasas_abort_frame {
941
942 u8 cmd; /*00h */
943 u8 reserved_0; /*01h */
944 u8 cmd_status; /*02h */
945
946 u8 reserved_1; /*03h */
947 u32 reserved_2; /*04h */
948
949 u32 context; /*08h */
950 u32 pad_0; /*0Ch */
951
952 u16 flags; /*10h */
953 u16 reserved_3; /*12h */
954 u32 reserved_4; /*14h */
955
956 u32 abort_context; /*18h */
957 u32 pad_1; /*1Ch */
958
959 u32 abort_mfi_phys_addr_lo; /*20h */
960 u32 abort_mfi_phys_addr_hi; /*24h */
961
962 u32 reserved_5[6]; /*28h */
963
964 } __attribute__ ((packed));
965
966 struct megasas_smp_frame {
967
968 u8 cmd; /*00h */
969 u8 reserved_1; /*01h */
970 u8 cmd_status; /*02h */
971 u8 connection_status; /*03h */
972
973 u8 reserved_2[3]; /*04h */
974 u8 sge_count; /*07h */
975
976 u32 context; /*08h */
977 u32 pad_0; /*0Ch */
978
979 u16 flags; /*10h */
980 u16 timeout; /*12h */
981
982 u32 data_xfer_len; /*14h */
983 u64 sas_addr; /*18h */
984
985 union {
986 struct megasas_sge32 sge32[2]; /* [0]: resp [1]: req */
987 struct megasas_sge64 sge64[2]; /* [0]: resp [1]: req */
988 } sgl;
989
990 } __attribute__ ((packed));
991
992 struct megasas_stp_frame {
993
994 u8 cmd; /*00h */
995 u8 reserved_1; /*01h */
996 u8 cmd_status; /*02h */
997 u8 reserved_2; /*03h */
998
999 u8 target_id; /*04h */
1000 u8 reserved_3[2]; /*05h */
1001 u8 sge_count; /*07h */
1002
1003 u32 context; /*08h */
1004 u32 pad_0; /*0Ch */
1005
1006 u16 flags; /*10h */
1007 u16 timeout; /*12h */
1008
1009 u32 data_xfer_len; /*14h */
1010
1011 u16 fis[10]; /*18h */
1012 u32 stp_flags;
1013
1014 union {
1015 struct megasas_sge32 sge32[2]; /* [0]: resp [1]: data */
1016 struct megasas_sge64 sge64[2]; /* [0]: resp [1]: data */
1017 } sgl;
1018
1019 } __attribute__ ((packed));
1020
1021 union megasas_frame {
1022
1023 struct megasas_header hdr;
1024 struct megasas_init_frame init;
1025 struct megasas_io_frame io;
1026 struct megasas_pthru_frame pthru;
1027 struct megasas_dcmd_frame dcmd;
1028 struct megasas_abort_frame abort;
1029 struct megasas_smp_frame smp;
1030 struct megasas_stp_frame stp;
1031
1032 u8 raw_bytes[64];
1033 };
1034
1035 struct megasas_cmd;
1036
1037 union megasas_evt_class_locale {
1038
1039 struct {
1040 u16 locale;
1041 u8 reserved;
1042 s8 class;
1043 } __attribute__ ((packed)) members;
1044
1045 u32 word;
1046
1047 } __attribute__ ((packed));
1048
1049 struct megasas_evt_log_info {
1050 u32 newest_seq_num;
1051 u32 oldest_seq_num;
1052 u32 clear_seq_num;
1053 u32 shutdown_seq_num;
1054 u32 boot_seq_num;
1055
1056 } __attribute__ ((packed));
1057
1058 struct megasas_progress {
1059
1060 u16 progress;
1061 u16 elapsed_seconds;
1062
1063 } __attribute__ ((packed));
1064
1065 struct megasas_evtarg_ld {
1066
1067 u16 target_id;
1068 u8 ld_index;
1069 u8 reserved;
1070
1071 } __attribute__ ((packed));
1072
1073 struct megasas_evtarg_pd {
1074 u16 device_id;
1075 u8 encl_index;
1076 u8 slot_number;
1077
1078 } __attribute__ ((packed));
1079
1080 struct megasas_evt_detail {
1081
1082 u32 seq_num;
1083 u32 time_stamp;
1084 u32 code;
1085 union megasas_evt_class_locale cl;
1086 u8 arg_type;
1087 u8 reserved1[15];
1088
1089 union {
1090 struct {
1091 struct megasas_evtarg_pd pd;
1092 u8 cdb_length;
1093 u8 sense_length;
1094 u8 reserved[2];
1095 u8 cdb[16];
1096 u8 sense[64];
1097 } __attribute__ ((packed)) cdbSense;
1098
1099 struct megasas_evtarg_ld ld;
1100
1101 struct {
1102 struct megasas_evtarg_ld ld;
1103 u64 count;
1104 } __attribute__ ((packed)) ld_count;
1105
1106 struct {
1107 u64 lba;
1108 struct megasas_evtarg_ld ld;
1109 } __attribute__ ((packed)) ld_lba;
1110
1111 struct {
1112 struct megasas_evtarg_ld ld;
1113 u32 prevOwner;
1114 u32 newOwner;
1115 } __attribute__ ((packed)) ld_owner;
1116
1117 struct {
1118 u64 ld_lba;
1119 u64 pd_lba;
1120 struct megasas_evtarg_ld ld;
1121 struct megasas_evtarg_pd pd;
1122 } __attribute__ ((packed)) ld_lba_pd_lba;
1123
1124 struct {
1125 struct megasas_evtarg_ld ld;
1126 struct megasas_progress prog;
1127 } __attribute__ ((packed)) ld_prog;
1128
1129 struct {
1130 struct megasas_evtarg_ld ld;
1131 u32 prev_state;
1132 u32 new_state;
1133 } __attribute__ ((packed)) ld_state;
1134
1135 struct {
1136 u64 strip;
1137 struct megasas_evtarg_ld ld;
1138 } __attribute__ ((packed)) ld_strip;
1139
1140 struct megasas_evtarg_pd pd;
1141
1142 struct {
1143 struct megasas_evtarg_pd pd;
1144 u32 err;
1145 } __attribute__ ((packed)) pd_err;
1146
1147 struct {
1148 u64 lba;
1149 struct megasas_evtarg_pd pd;
1150 } __attribute__ ((packed)) pd_lba;
1151
1152 struct {
1153 u64 lba;
1154 struct megasas_evtarg_pd pd;
1155 struct megasas_evtarg_ld ld;
1156 } __attribute__ ((packed)) pd_lba_ld;
1157
1158 struct {
1159 struct megasas_evtarg_pd pd;
1160 struct megasas_progress prog;
1161 } __attribute__ ((packed)) pd_prog;
1162
1163 struct {
1164 struct megasas_evtarg_pd pd;
1165 u32 prevState;
1166 u32 newState;
1167 } __attribute__ ((packed)) pd_state;
1168
1169 struct {
1170 u16 vendorId;
1171 u16 deviceId;
1172 u16 subVendorId;
1173 u16 subDeviceId;
1174 } __attribute__ ((packed)) pci;
1175
1176 u32 rate;
1177 char str[96];
1178
1179 struct {
1180 u32 rtc;
1181 u32 elapsedSeconds;
1182 } __attribute__ ((packed)) time;
1183
1184 struct {
1185 u32 ecar;
1186 u32 elog;
1187 char str[64];
1188 } __attribute__ ((packed)) ecc;
1189
1190 u8 b[96];
1191 u16 s[48];
1192 u32 w[24];
1193 u64 d[12];
1194 } args;
1195
1196 char description[128];
1197
1198 } __attribute__ ((packed));
1199
1200 struct megasas_aen_event {
1201 struct work_struct hotplug_work;
1202 struct megasas_instance *instance;
1203 };
1204
1205 struct megasas_instance {
1206
1207 u32 *producer;
1208 dma_addr_t producer_h;
1209 u32 *consumer;
1210 dma_addr_t consumer_h;
1211
1212 u32 *reply_queue;
1213 dma_addr_t reply_queue_h;
1214
1215 unsigned long base_addr;
1216 struct megasas_register_set __iomem *reg_set;
1217
1218 struct megasas_pd_list pd_list[MEGASAS_MAX_PD];
1219 u8 ld_ids[MEGASAS_MAX_LD_IDS];
1220 s8 init_id;
1221
1222 u16 max_num_sge;
1223 u16 max_fw_cmds;
1224 u32 max_sectors_per_req;
1225 struct megasas_aen_event *ev;
1226
1227 struct megasas_cmd **cmd_list;
1228 struct list_head cmd_pool;
1229 spinlock_t cmd_pool_lock;
1230 /* used to synch producer, consumer ptrs in dpc */
1231 spinlock_t completion_lock;
1232 /* used to sync fire the cmd to fw */
1233 spinlock_t fire_lock;
1234 struct dma_pool *frame_dma_pool;
1235 struct dma_pool *sense_dma_pool;
1236
1237 struct megasas_evt_detail *evt_detail;
1238 dma_addr_t evt_detail_h;
1239 struct megasas_cmd *aen_cmd;
1240 struct mutex aen_mutex;
1241 struct semaphore ioctl_sem;
1242
1243 struct Scsi_Host *host;
1244
1245 wait_queue_head_t int_cmd_wait_q;
1246 wait_queue_head_t abort_cmd_wait_q;
1247
1248 struct pci_dev *pdev;
1249 u32 unique_id;
1250
1251 atomic_t fw_outstanding;
1252 u32 hw_crit_error;
1253
1254 struct megasas_instance_template *instancet;
1255 struct tasklet_struct isr_tasklet;
1256
1257 u8 flag;
1258 u8 unload;
1259 u8 flag_ieee;
1260 unsigned long last_time;
1261
1262 struct timer_list io_completion_timer;
1263 };
1264
1265 struct megasas_instance_template {
1266 void (*fire_cmd)(struct megasas_instance *, dma_addr_t, \
1267 u32, struct megasas_register_set __iomem *);
1268
1269 void (*enable_intr)(struct megasas_register_set __iomem *) ;
1270 void (*disable_intr)(struct megasas_register_set __iomem *);
1271
1272 int (*clear_intr)(struct megasas_register_set __iomem *);
1273
1274 u32 (*read_fw_status_reg)(struct megasas_register_set __iomem *);
1275 };
1276
1277 #define MEGASAS_IS_LOGICAL(scp) \
1278 (scp->device->channel < MEGASAS_MAX_PD_CHANNELS) ? 0 : 1
1279
1280 #define MEGASAS_DEV_INDEX(inst, scp) \
1281 ((scp->device->channel % 2) * MEGASAS_MAX_DEV_PER_CHANNEL) + \
1282 scp->device->id
1283
1284 struct megasas_cmd {
1285
1286 union megasas_frame *frame;
1287 dma_addr_t frame_phys_addr;
1288 u8 *sense;
1289 dma_addr_t sense_phys_addr;
1290
1291 u32 index;
1292 u8 sync_cmd;
1293 u8 cmd_status;
1294 u16 abort_aen;
1295
1296 struct list_head list;
1297 struct scsi_cmnd *scmd;
1298 struct megasas_instance *instance;
1299 u32 frame_count;
1300 };
1301
1302 #define MAX_MGMT_ADAPTERS 1024
1303 #define MAX_IOCTL_SGE 16
1304
1305 struct megasas_iocpacket {
1306
1307 u16 host_no;
1308 u16 __pad1;
1309 u32 sgl_off;
1310 u32 sge_count;
1311 u32 sense_off;
1312 u32 sense_len;
1313 union {
1314 u8 raw[128];
1315 struct megasas_header hdr;
1316 } frame;
1317
1318 struct iovec sgl[MAX_IOCTL_SGE];
1319
1320 } __attribute__ ((packed));
1321
1322 struct megasas_aen {
1323 u16 host_no;
1324 u16 __pad1;
1325 u32 seq_num;
1326 u32 class_locale_word;
1327 } __attribute__ ((packed));
1328
1329 #ifdef CONFIG_COMPAT
1330 struct compat_megasas_iocpacket {
1331 u16 host_no;
1332 u16 __pad1;
1333 u32 sgl_off;
1334 u32 sge_count;
1335 u32 sense_off;
1336 u32 sense_len;
1337 union {
1338 u8 raw[128];
1339 struct megasas_header hdr;
1340 } frame;
1341 struct compat_iovec sgl[MAX_IOCTL_SGE];
1342 } __attribute__ ((packed));
1343
1344 #define MEGASAS_IOC_FIRMWARE32 _IOWR('M', 1, struct compat_megasas_iocpacket)
1345 #endif
1346
1347 #define MEGASAS_IOC_FIRMWARE _IOWR('M', 1, struct megasas_iocpacket)
1348 #define MEGASAS_IOC_GET_AEN _IOW('M', 3, struct megasas_aen)
1349
1350 struct megasas_mgmt_info {
1351
1352 u16 count;
1353 struct megasas_instance *instance[MAX_MGMT_ADAPTERS];
1354 int max_index;
1355 };
1356
1357 #endif /*LSI_MEGARAID_SAS_H */
Linux 2.6 ibm-acpi/thinkpad-acpi driver git tree