summaryrefslogtreecommitdiffstats
path: root/src/usr/isteps/nvdimm/nvdimm.H
blob: e66e42470e8e2f9eea169b9e0a4a5e258be31566 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
729
730
731
732
733
734
735
736
737
738
739
740
741
742
743
744
745
746
747
748
749
750
751
752
753
754
755
756
757
758
759
760
761
762
763
764
765
766
767
768
769
770
771
772
773
774
775
776
/* IBM_PROLOG_BEGIN_TAG                                                   */
/* This is an automatically generated prolog.                             */
/*                                                                        */
/* $Source: src/usr/isteps/nvdimm/nvdimm.H $                              */
/*                                                                        */
/* OpenPOWER HostBoot Project                                             */
/*                                                                        */
/* Contributors Listed Below - COPYRIGHT 2014,2020                        */
/* [+] International Business Machines Corp.                              */
/*                                                                        */
/*                                                                        */
/* Licensed under the Apache License, Version 2.0 (the "License");        */
/* you may not use this file except in compliance with the License.       */
/* You may obtain a copy of the License at                                */
/*                                                                        */
/*     http://www.apache.org/licenses/LICENSE-2.0                         */
/*                                                                        */
/* Unless required by applicable law or agreed to in writing, software    */
/* distributed under the License is distributed on an "AS IS" BASIS,      */
/* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or        */
/* implied. See the License for the specific language governing           */
/* permissions and limitations under the License.                         */
/*                                                                        */
/* IBM_PROLOG_END_TAG                                                     */

#ifndef NVDIMM_H__
#define NVDIMM_H__

#include <usr/errl/errlentry.H>
#include <targeting/common/target.H>
#include <targeting/common/commontargeting.H>
#include <targeting/common/util.H>
#include <targeting/common/utilFilter.H>
#include <i2c/eepromif.H>
#include <map>

using namespace EEPROM;

// Trace definition
extern trace_desc_t* g_trac_nvdimm;

namespace NVDIMM
{
#define NVDIMM_SET_USER_DATA_1(left_32_ops_id, right_32_huid) \
            TWO_UINT32_TO_UINT64(left_32_ops_id, right_32_huid)

#define NVDIMM_SET_USER_DATA_2_TIMEOUT(left_32_polled, right_32_timeout) \
            NVDIMM_SET_USER_DATA_1(left_32_polled, right_32_timeout)


// I2C registers for page 0-3, extracted from JEDEC BAEBI spec
// Refer to BAEBI spec for details
// https://www.jedec.org/standards-documents/docs/jesd245a
// The 2 least significant nibbles indicate the register address.
// The most significant nibble indicates the page number where the
// register belongs.
// e.g. for 0x00A, 0x0 = page number, 0x0A = register address
enum i2cReg : uint16_t
{
    OPEN_PAGE = 0x000,
    STD_NUM_PAGES = 0x001,
    VENDOR_START_PAGES = 0x002,
    VENDOR_NUM_PAGES = 0x003,
    HWREV = 0x004,
    SPECREV = 0x006,
    SLOT0_FWREV0 = 0x007,
    SLOT0_FWREV1 = 0x008,
    SLOT1_FWREV0 = 0x009,
    SLOT1_FWREV1 = 0x00A,
    SLOT0_SUBFWREV = 0x00B,
    SLOT1_SUBFWREV = 0x00C,
    CAPABILITIES0 = 0x010,
    CAPABILITIES1 = 0x011,
    ENERGY_SOURCE_POLICY = 0x014,
    HOST_MAX_OPERATION_RETRY = 0x015,
    CSAVE_TRIGGER_SUPPORT = 0x016,
    EVENT_NOTIFICATION_SUPPORT = 0x017,
    CSAVE_TIMEOUT0 = 0x018,
    CSAVE_TIMEOUT1 = 0x019,
    PAGE_SWITCH_LATENCY0 = 0x01A,
    PAGE_SWITCH_LATENCY1 = 0x01B,
    RESTORE_TIMEOUT0 = 0x01C,
    RESTORE_TIMEOUT1 = 0x01D,
    ERASE_TIMEOUT0 = 0x01E,
    ERASE_TIMEOUT1 = 0x01F,
    ARM_TIMEOUT0 = 0x020,
    ARM_TIMEOUT1 = 0x021,
    FIRMWARE_OPS_TIMEOUT0 = 0x022,
    FIRMWARE_OPS_TIMEOUT1 = 0x023,
    ABORT_CMD_TIMEOUT = 0x024,
    MAX_RUNTIME_POWER0 = 0x027,
    MAX_RUNTIME_POWER1 = 0x028,
    CSAVE_POWER_REQ0 = 0x029,
    CSAVE_POWER_REQ1 = 0x02A,
    CSAVE_IDLE_POWER_REQ0 = 0x02B,
    CSAVE_IDLE_POWER_REQ1 = 0x02C,
    CSAVE_MIN_VOLT_REQ0 = 0x02D,
    CSAVE_MIN_VOLT_REQ1 = 0x02E,
    CSAVE_MAX_VOLT_REQ0 = 0x02F,
    CSAVE_MAX_VOLT_REQ1 = 0x030,
    VENDOR_LOG_PAGE_SIZE = 0x031,
    REGION_BLOCK_SIZE = 0x032,
    OPERATIONAL_UNIT_OPS_TIMEOUT0 = 0x033,
    OPERATIONAL_UNIT_OPS_TIMEOUT1 = 0x034,
    FACTORY_DEFAULT_TIMEOUT0 = 0x035,
    FACTORY_DEFAULT_TIMEOUT1 = 0x036,
    MIN_OPERATING_TEMP0 = 0x038,
    MIN_OPERATING_TEMP1 = 0x039,
    MAX_OPERATING_TEMP0 = 0x03A,
    MAX_OPERATING_TEMP1 = 0x03B,
    NVDIMM_MGT_CMD0 = 0x040,
    NVDIMM_MGT_CMD1 = 0x041,
    NVDIMM_FUNC_CMD = 0x043,
    ARM_CMD = 0x045,
    SET_EVENT_NOTIFICATION_CMD = 0x047,
    SET_ES_POLICY_CMD = 0x049,
    FIRMWARE_OPS_CMD = 0x04A,
    OPERATIONAL_UNIT_OPS_CMD = 0x04B,
    NVDIMM_READY = 0x060,
    NVDIMM_CMD_STATUS0 = 0x061,
    NVDIMM_CMD_STATUS1 = 0x062,
    CSAVE_STATUS = 0x064,
    RESTORE_STATUS = 0x066,
    ERASE_STATUS = 0x068,
    ARM_STATUS = 0x06A,
    FACTORY_DEFAULT_STATUS = 0x06C,
    SET_EVENT_NOTIFICATION_STATUS = 0x06E,
    SET_ES_POLICY_STATUS = 0x070,
    FIRMWARE_OPS_STATUS = 0x071,
    OPERATIONAL_UNIT_OPS_STATUS = 0x072,
    ERASE_FAIL_INFO = 0x073,
    ARM_FAIL_INFO = 0x076,
    CSAVE_INFO = 0x080,
    CSAVE_FAIL_INFO0 = 0x084,
    CSAVE_FAIL_INFO1 = 0x085,
    RESTORE_FAIL_INFO = 0x088,
    OPERATIONAL_UNIT_FAIL_INFO = 0x08F,
    NVM_LIFETIME_ERROR_THRESHOLD = 0x090,
    ES_LIFETIME_ERROR_THRESHOLD = 0x091,
    ES_TEMP_ERROR_HIGH_THRESHOLD0 = 0x094,
    ES_TEMP_ERROR_HIGH_THRESHOLD1 = 0x095,
    ES_TEMP_ERROR_LOW_THRESHOLD0 = 0x096,
    ES_TEMP_ERROR_LOW_THRESHOLD1 = 0x097,
    NVM_LIFETIME_WARNING_THRESHOLD = 0x098,
    ES_LIFETIME_WARNING_THRESHOLD = 0x099,
    ES_TEMP_WARNING_HIGH_THRESHOLD0 = 0x09C,
    ES_TEMP_WARNING_HIGH_THRESHOLD1 = 0x09D,
    ES_TEMP_WARNING_LOW_THRESHOLD0 = 0x09E,
    ES_TEMP_WARNING_LOW_THRESHOLD1 = 0x09F,
    MODULE_HEALTH = 0x0A0,
    MODULE_HEALTH_STATUS0 = 0x0A1,
    MODULE_HEALTH_STATUS1 = 0x0A2,
    ERROR_THRESHOLD_STATUS = 0x0A5,
    WARNING_THRESHOLD_STATUS = 0x0A7,
    AUTO_ES_HEALTH_FREQUENCY = 0x0A9,
    MODULE_OPS_CONFIG = 0x0AA,
    NVM_LIFETIME = 0x0C0,
    ES_HWREV = 0x104,
    ES_FWREV0 = 0x106,
    ES_FWREV1 = 0x107,
    SLOT0_ES_FWREV0 = 0x108,
    SLOT0_ES_FWREV1 = 0x109,
    SLOT1_ES_FWREV0 = 0x10A,
    SLOT1_ES_FWREV1 = 0x10B,
    ES_CHARGE_TIMEOUT0 = 0x110,
    ES_CHARGE_TIMEOUT1 = 0x111,
    ES_ATTRIBUTES = 0x114,
    ES_TECH = 0x115,
    MIN_ES_OPERATING_TEMP0 = 0x116,
    MIN_ES_OPERATING_TEMP1 = 0x117,
    MAX_ES_OPERATING_TEMP0 = 0x118,
    MAX_ES_OPERATING_TEMP1 = 0x119,
    ES_FUNC_CMD0 = 0x130,
    ES_CMD_STATUS0 = 0x150,
    ES_LIFETIME = 0x170,
    ES_TEMP0 = 0x171,
    ES_TEMP1 = 0x172,
    ES_RUNTIME0 = 0x173,
    ES_RUNTIME1 = 0x174,
    LAST_CSAVE_DURATION0 = 0x204,
    LAST_CSAVE_DURATION1 = 0x205,
    LAST_RESTORE_DURATION0 = 0x206,
    LAST_RESTORE_DURATION1 = 0x207,
    LAST_ERASE_DURATION0 = 0x208,
    LAST_ERASE_DURATION1 = 0x209,
    CSAVE_SUCCESS_COUNT0 = 0x20A,
    CSAVE_SUCCESS_COUNT1 = 0x20B,
    RESTORE_SUCCESS_COUNT0 = 0x20C,
    RESTORE_SUCCESS_COUNT1 = 0x20D,
    ERASE_SUCCESS_COUNT0 = 0x20E,
    ERASE_SUCCESS_COUNT1 = 0x20F,
    POWER_CYCLE_COUNT0 = 0x210,
    POWER_CYCLE_COUNT1 = 0x211,
    CSAVE_FAILURE_COUNT0 = 0x212,
    CSAVE_FAILURE_COUNT1 = 0x213,
    RESTORE_FAILURE_COUNT0 = 0x214,
    RESTORE_FAILURE_COUNT1 = 0x215,
    ERASE_FAILURE_COUNT0 = 0x216,
    ERASE_FAILURE_COUNT1 = 0x217,
    LAST_ARM_DURATION0 = 0x218,
    LAST_ARM_DURATION1 = 0x219,
    LAST_FACTORY_DEFAULT_DURATION0 = 0x21A,
    LAST_FACTORY_DEFAULT_DURATION1 = 0x21B,
    LAST_FIRMWARE_OPS_DURATION0 = 0x21C,
    LAST_FIRMWARE_OPS_DURATION1 = 0x21D,
    LAST_OPERATIONAL_UNIT_OPS_DURATION0 = 0x21E,
    LAST_OPERATIONAL_UNIT_OPS_DURATION1 = 0x21F,
    ARM_SUCCESS_COUNT0 = 0x220,
    ARM_SUCCESS_COUNT1 = 0x221,
    FACTORY_DEFAULT_SUCCESS_COUNT0 = 0x222,
    FACTORY_DEFAULT_SUCCESS_COUNT1 = 0x223,
    FIRMWARE_SUCCESS_COUNT0 = 0x224,
    FIRMWARE_SUCCESS_COUNT1 = 0x225,
    OPERATIONAL_UNIT_SUCCESS_COUNT0 = 0x226,
    OPERATIONAL_UNIT_SUCCESS_COUNT1 = 0x227,
    ARM_FAILURE_COUNT0 = 0x228,
    ARM_FAILURE_COUNT1 = 0x229,
    FACTORY_DEFAULT_FAILURE_COUNT0 = 0x22A,
    FACTORY_DEFAULT_FAILURE_COUNT1 = 0x22B,
    FIRMWARE_FAILURE_COUNT0 = 0x22C,
    FIRMWARE_FAILURE_COUNT1 = 0x22D,
    OPERATIONAL_UNIT_FAILURE_COUNT0 = 0x22E,
    OPERATIONAL_UNIT_FAILURE_COUNT1 = 0x22F,
    INJECT_OPS_FAILURES0 = 0x260,
    INJECT_OPS_FAILURES1 = 0x261,
    INJECT_ES_FAILURES = 0x264,
    INJECT_FW_FAILURES = 0x265,
    INJECT_BAD_BLOCK_CAP = 0x267,
    INJECT_ERROR_TYPE = 0x268,
    DRAM_ECC_ERROR_COUNT = 0x280,
    DRAM_THRESHOLD_ECC_COUNT = 0x281,
    HOST_MANAGED_ES_ATTRIBUTES = 0x282,
    HOST_CSAVE_FAIL = 0x283,
    HOST_CSAVE_WORKFLOW_FAILURE_COUNT0 = 0x284,
    HOST_CSAVE_WORKFLOW_FAILURE_COUNT1 = 0x285,
    TYPED_BLOCK_DATA = 0x304,
    REGION_ID0 = 0x305,
    REGION_ID1 = 0x306,
    BLOCK_ID = 0x307,
    TYPED_BLOCK_DATA_SIZE0 = 0x308,
    TYPED_BLOCK_DATA_SIZE1 = 0x309,
    TYPED_BLOCK_DATA_SIZE2 = 0x30A,
    OPERATIONAL_UNIT_ID0 = 0x30C,
    OPERATIONAL_UNIT_ID1 = 0x30D,
    OPERATIONAL_UNIT_SIZE0 = 0x310,
    OPERATIONAL_UNIT_SIZE1 = 0x311,
    OPERATIONAL_UNIT_SIZE2 = 0x312,
    OPERATIONAL_UNIT_CRC0 = 0x314,
    OPERATIONAL_UNIT_CRC1 = 0x315,
    FW_REGION_CRC0 = 0x340,
    FW_REGION_CRC1 = 0x341,
    FW_SLOT_INFO = 0x342,
    TYPED_BLOCK_DATA_BYTE0 = 0x380,
    TYPED_BLOCK_DATA_BYTE1 = 0x381,
    TYPED_BLOCK_DATA_BYTE2 = 0x382,
    TYPED_BLOCK_DATA_BYTE3 = 0x383,
    TYPED_BLOCK_DATA_BYTE4 = 0x384,
    TYPED_BLOCK_DATA_BYTE5 = 0x385,
    TYPED_BLOCK_DATA_BYTE6 = 0x386,
    TYPED_BLOCK_DATA_BYTE7 = 0x387,
    TYPED_BLOCK_DATA_BYTE8 = 0x388,
    TYPED_BLOCK_DATA_BYTE9 = 0x389,
    TYPED_BLOCK_DATA_BYTE10 = 0x38A,
    TYPED_BLOCK_DATA_BYTE11 = 0x38B,
    TYPED_BLOCK_DATA_BYTE12 = 0x38C,
    TYPED_BLOCK_DATA_BYTE13 = 0x38D,
    TYPED_BLOCK_DATA_BYTE14 = 0x38E,
    TYPED_BLOCK_DATA_BYTE15 = 0x38F,
    TYPED_BLOCK_DATA_BYTE16 = 0x390,
    TYPED_BLOCK_DATA_BYTE17 = 0x391,
    TYPED_BLOCK_DATA_BYTE18 = 0x392,
    TYPED_BLOCK_DATA_BYTE19 = 0x393,
    TYPED_BLOCK_DATA_BYTE20 = 0x394,
    TYPED_BLOCK_DATA_BYTE21 = 0x395,
    TYPED_BLOCK_DATA_BYTE22 = 0x396,
    TYPED_BLOCK_DATA_BYTE23 = 0x397,
    TYPED_BLOCK_DATA_BYTE24 = 0x398,
    TYPED_BLOCK_DATA_BYTE25 = 0x399,
    TYPED_BLOCK_DATA_BYTE26 = 0x39A,
    TYPED_BLOCK_DATA_BYTE27 = 0x39B,
    TYPED_BLOCK_DATA_BYTE28 = 0x39C,
    TYPED_BLOCK_DATA_BYTE29 = 0x39D,
    TYPED_BLOCK_DATA_BYTE30 = 0x39E,
    TYPED_BLOCK_DATA_BYTE31 = 0x39F,
    TYPED_BLOCK_DATA_OFFSET = 0x3E0,
    PANIC_CNT               = 0x406,
    STATUS_EVENT_INT_INFO1  = 0x40A,
    STATUS_EVENT_INT_INFO2  = 0x40B,
    FLASH_BAD_BLK_PCT       = 0x41D,  // Read only; Percentage of flash blocks
                                      // in the flash array marked as bad blocks
    PARITY_ERROR_COUNT      = 0x423,
    FLASH_ERROR_COUNT0      = 0x428,  // Read only; LSB[7:0]  Flash error count
    FLASH_ERROR_COUNT1      = 0x429,  // Read only;    [15:8]
    FLASH_ERROR_COUNT2      = 0x42A,  // Read only; MSB[23:16]
    FLASH_BAD_BLOCK_COUNT0  = 0x42B,
    FLASH_BAD_BLOCK_COUNT1  = 0x42C,
    BPM_MAGIC_REG1          = 0x430,
    BPM_MAGIC_REG2          = 0x431,
    SCAP_STATUS             = 0x432,
    SCAP_REG                = 0x434,
    SCAP_DATA               = 0x435,
    I2C_REG_PROTECT         = 0x43D,
    BPM_REG_CMD             = 0x440,
    BPM_CMD_STATUS          = 0x441,
    BPM_PAYLOAD_LENGTH      = 0x442,
    BPM_REG_ERR_STATUS      = 0x443,
    BPM_REG_PAYLOAD_START   = 0x444,
    ERASE_VERIFY_CONTROL             = 0x51A,
    ERASE_VERIFY_STATUS              = 0x51B,
    ERASE_VERIFY_RESULT_LSB          = 0x51C,
    ERASE_VERIFY_RESULT_MSB          = 0x51D,
    ERASE_VERIFY_TEST                = 0x51E,
    ENCRYPTION_COMMAND               = 0x51F,
    ENCRYPTION_CONFIG_STATUS         = 0x520,
    ENCRYPTION_ACCESS_KEY_SET        = 0x521,
    ENCRYPTION_ACCESS_KEY_VERIFY     = 0x522,
    ENCRYPTION_ACCESS_KEY_UNLOCK     = 0x523,
    ENCRYPTION_RAMDOM_STRING_SET     = 0x524,
    ENCRYPTION_RANDOM_STRING_VERIFY  = 0x525,
    ENCRYPTION_ERASE_KEY_SET         = 0x526,
    ENCRYPTION_ERASE_KEY_VERIFY      = 0x527,
    ENCRYPTION_ERASE_KEY_TEST        = 0x528,
    ENCRYPTION_ERASE_KEY_TEST_VERIFY = 0x529,
    ENCRYPTION_KEY_VALIDATION        = 0x52A,
};

// i2cReg macros
#define ADDRESS(uint16_address) \
            uint16_address & 0x00FF

#define PAGE(uint16_address) \
            (uint16_address >> 8) & 0x000F

// Up to 10 pages per BAEBI Spec,
// but use page 0 mostly
enum page : uint8_t
{
    ZERO  = 0x00,
    ONE   = 0x01,
    TWO   = 0x02,
    THREE = 0x03,
    FOUR  = 0x04,
    FIVE  = 0x05,
};

// Enums for inputs/expected output to/from the i2c registers
enum i2c_in_values : uint8_t
{
    ARM_RESETN_AND_ATOMIC_SAVE_AND_ERASE        = 0x84,
    ARM_RESETN                                  = 0x04,
    DISARM_RESETN                               = 0x00,
    ES_DEV_MANAGE                               = 0x01, //0x01 for device manage
    ERASE_IMAGE                                 = 0x08,
    RESTORE_IMAGE                               = 0x04,
    RESET_CTRLR                                 = 0x01,
    VALID_IMAGE                                 = 0x01,
    RESET_CONTROLLER                            = 0x01,
    FACTORY_DEFAULT                             = 0x01,
};

enum i2c_out_values : uint8_t
{
    SAVE_IN_PROGRESS            = 0x05,
    RSTR_IN_PROGRESS            = 0x09,
    ERASE_IN_PROGRESS           = 0x11,
    ARM_IN_PROGRESS             = 0x41,
    CHARGE_IN_PROGRESS          = 0x01,
    SAVE_SUCCESS                = 0x01,
    RSTR_SUCCESS                = 0X01,
    ARM_SUCCESS                 = 0X01,
    ERASE_SUCCESS               = 0X01,
    ES_SUCCESS                  = 0x05,
    CHARGE_SUCCESS              = 0x00,
    NV_READY                    = 0xA5,
    FACTORY_RESET_IN_PROGRESS   = 0x03,
    NO_RESET_N                  = 0x20,
    RESET_N_ARMED               = 0x08,
    ES_POLICY_ERROR             = 0x02,
    ARM_ERROR                   = 0X02,
    RSTR_ERROR                  = 0x02,
    SAVE_ERROR                  = 0x02,
    ERASE_ERROR                 = 0x02,
    CLEAR_ALL_STATUS            = 0x3C, //Clears CAVE, RESTORE, ERASE, and ARM status regs
};

// Timeout-related enum
enum timeout : uint32_t
{
    OPS_POLL_TIME_MS = 5000,
    NV_READY_POLL_TIME_MS = 1000,
    PAGE_SWITCH_POLL_TIME_NS = 100,
    KEY_WRITE_DELAY_MS = 100,
};

// Assign an id to each of the 6 major ops
enum ops_id : uint8_t
{
    SAVE = 0,
    RESTORE,
    ERASE,
    ARM,
    PAGE_SWITCH,
    CHARGE,
};

enum misc
{
    NO_PAGE_VERIFY = 0,
    PAGE_VERIFY = 1,
    ARM_TRIGGER = 1,
    DISARM_TRIGGER = 0,
    LOW = 0,
    HIGH = 1,
};

/**
 * @brief Encryption key data
 */
static constexpr size_t ENC_KEY_SIZE = 32;
struct nvdimmKeyData_t
{
    uint8_t rs[ENC_KEY_SIZE];   // Random String (RS)
    uint8_t ek[ENC_KEY_SIZE];   // Erase Key (EK)
    uint8_t ak[ENC_KEY_SIZE];   // Access Key (AK)
};

struct scap_status_bits
{
    uint8_t Reserved1       : 1; // Bit 7
    uint8_t Bpm_Bsl_Mode    : 1; // Bit 6
    uint8_t Reserved2       : 1; // Bit 5
    uint8_t Present         : 1; // Bit 4
    uint8_t Delay           : 1; // Bit 3
    uint8_t Error           : 1; // Bit 2
    uint8_t Busy            : 1; // Bit 1
    uint8_t Enable          : 1; // Bit 0
} PACKED;

/**
 * @brief Union simplifying manipulation of SCAP_STATUS bits
 */
union scap_status_union
{
    uint8_t full;
    scap_status_bits bit;

    /**
     *  @brief Constructor
     */
    scap_status_union()
    : full(0)
    {}
} PACKED;

typedef scap_status_union scap_status_register_t;

// Bits in Health Status Check Registers
enum health_status : uint8_t
{
    // Module Health Status0
    VOLTAGE_REGULATOR_FAILED    = 0x01,
    VDD_LOST                    = 0x02,
    VPP_LOST                    = 0x04,
    VTT_LOST                    = 0x08,
    DRAM_NOT_SELF_REFRESH       = 0x10,
    CONTROLLER_HARDWARE_ERROR   = 0x20,
    NVM_CONTROLLER_ERROR        = 0x40,
    NVM_LIFETIME_ERROR          = 0x80,
    // Module Health Status1
    NOT_ENOUGH_ENERGY_FOR_CSAVE = 0x01,
    INVALID_FIRMWARE_ERROR      = 0x02,
    CONFIG_DATA_ERROR           = 0x04,
    NO_ES_PRESENT               = 0x08,
    ES_POLICY_NOT_SET           = 0x10,
    ES_HARDWARE_FAILURE         = 0x20,
    ES_HEALTH_ASSESSMENT_ERROR  = 0x40,
    // Error Threshold Status
    ES_LIFETIME_ERROR           = 0x02,
    ES_TEMP_ERROR               = 0x04,
};

// Int representation for health status function call
enum health_function : uint8_t
{
    HEALTH_SAVE        = 0x01,
    HEALTH_RESTORE     = 0x02,
    HEALTH_UPDATE      = 0x03,
    HEALTH_PRE_ARM     = 0x04,
    HEALTH_POST_ARM    = 0x05,
};

// Event notification register values
enum event_n : uint8_t
{
    PERSISTENCY_NOTIFICATION            = 0x01,
    SET_EVENT_NOTIFICATION_ERROR        = 0x02,
    WARNING_THRESHOLD_NOTIFICATION      = 0x02,
    PERSISTENCY_ENABLED                 = 0x04,
    WARNING_THRESHOLD_ENABLED           = 0x08,
    ENABLE_NOTIFICATIONS                = 0x03,
    NOTIFICATIONS_ENABLED               = 0x0C,
};

// MBACALFIR register addresses
enum mbacal_addresses : uint32_t
{
    MBACALFIR_AND_MASK_REG = 0x07010904,
    MBACALFIR_OR_MASK_REG  = 0x07010905,
    MBACALFIR_ACTION0_REG  = 0x07010906,
    MBACALFIR_ACTION1_REG  = 0x07010907,
};

// MBACALFIR bit masks for event n
enum mbacal_bitmask_values : uint64_t
{
    MBACALFIR_EVENTN_AND_BIT = 0xff7fffffffffffff,
    MBACALFIR_EVENTN_OR_BIT  = 0x0080000000000000,
    MBACALFIR_UNMASK_BIT     = 0xff7fffffffffffff,
};


/**
 * @brief Mask MCBACALFIR Event N to prevent PRD from handling event
 *
 * @param[in] - i_nvdimm - nvdimm target for operation on its parent MCA
 */
void maskMbacalfir_eventn(TARGETING::Target* i_nvdimm);

/**
 * @brief Wrapper to call deviceOp to read the NV controller via I2C
 *
 * @param[in] i_nvdimm - nvdimm target with NV controller
 *
 * @param[in] i_addr - address/offset for the register to be read
 *
 * @param[out] o_data - returned data from read
 *
 * @param[in] page_verify - read and verify the page associated to the given address.
 *                          Change if needed. Default to true
 *
 * @return errlHndl_t - Null if successful, otherwise a pointer to
 *      the error log.
 */
errlHndl_t nvdimmReadReg(TARGETING::Target* i_nvdimm, uint16_t i_addr, uint8_t & o_data, const bool page_verify = PAGE_VERIFY);

/**
 * @brief Wrapper to call deviceOp to write the NV controller via I2C
 *
 * @param[in] i_nvdimm - nvdimm target with NV controller
 *
 * @param[in] i_addr - address/offset for the register to be written
 *
 * @param[in] i_data - data to register
 *
 * @param[in] page_verify - read and verify the page associated to the given address.
 *                          Change if needed. Default to true
 *
 * @return errlHndl_t - Null if successful, otherwise a pointer to
 *      the error log.
 */
errlHndl_t nvdimmWriteReg(TARGETING::Target* i_nvdimm, uint16_t i_addr, uint8_t i_data, const bool page_verify = PAGE_VERIFY);

/**
 * @brief Check NV controller ready state
 *
 * @param[in] i_nvdimm - nvdimm target
 *
 * @return errlHndl_t - Null if successful, otherwise a pointer to
 *      the error log.
 */
errlHndl_t nvdimmReady(TARGETING::Target *i_nvdimm);

/**
 * @brief This functions opens the NV controller to the specified page
 *        Refer to the BAEBI to see what each page does
 *
 * @param[in] i_nvdimm - nvdimm target with NV controller
 *
 * @param[in] i_page - page number to open to
 *
 * @return errlHndl_t - Null if successful, otherwise a pointer to
 *                      the error log
 */
errlHndl_t nvdimmOpenPage(TARGETING::Target *i_nvdimm, uint8_t i_page);

/**
 * @brief This function polls the status register for the given ops_id
 *
 * @param[in] i_nvdimm - nvdimm target with NV controller
 *
 * @param[in] i_ops_id - id assigned to each operation in nvdimm.H
 *
 * @param[out] o_poll - total polled time in ms
 *
 * @return errlHndl_t - Null if successful, otherwise a pointer to
 *      the error log.
 */
errlHndl_t nvdimmPollStatus(TARGETING::Target *i_nvdimm, ops_id i_ops_id, uint32_t &o_poll);


/**
 * @brief This function sets the energy supply policy to device-managed
 *
 * @param[in] i_nvdimm - nvdimm target with NV controller
 *
 * @return errlHndl_t - Null if successful, otherwise a pointer to
 *      the error log.
 */
errlHndl_t nvdimmSetESPolicy(TARGETING::Target* i_nvdimm);

/**
 * @brief Helper function to handle conflicting attribute keys
 *
 * @param[in] i_attrKeysFw - firmware key attribute
 *
 * @param[in] i_attrKeysAnchor - anchor key attribute
 *
 * @return errlHndl_t - Null if successful, otherwise a pointer to
 *                      the error log
 */
errlHndl_t nvdimm_handleConflictingKeys(
    TARGETING::ATTR_NVDIMM_ENCRYPTION_KEYS_FW_typeStdArr& i_attrKeysFw,
    TARGETING::ATTR_NVDIMM_ENCRYPTION_KEYS_ANCHOR_typeStdArr& i_attrKeysAnchor);


/**
 * @brief Helper function to validate attribute keys
 *
 * @param[in] i_attrData - pointer to attribute key data
 *
 * @return errlHndl_t - Null if successful, otherwise a pointer to
 *                      the error log
 */
errlHndl_t nvdimm_checkValidAttrKeys( nvdimmKeyData_t* i_attrData );


/**
 * @brief Helper function to write encryption key regs (RS/EK/AK)
 *
 * @param[in] i_nvdimm - nvdimm target
 *
 * @param[in] i_keyData - data to write to the key reg
 *
 * @param[in] i_keyReg - enum register to write key
 *
 * @param[in] i_verifyReg - enum register to verify key written
 *
 * @param[in] i_secondAttempt - normally false, true if verif check failed
 *
 * @return errlHndl_t - Null if successful, otherwise a pointer to
 *                      the error log
 */
errlHndl_t nvdimm_setKeyReg(TARGETING::Target* i_nvdimm,
                            uint8_t* i_keyData,
                            uint32_t i_keyReg,
                            uint32_t i_verifyReg,
                            bool i_secondAttempt);


/**
 * @brief Helper function to generate randon number for encryption keys
 *        Generates ENC_KEY_SIZE bytes of data
 *        Different implementations for boot vs runtime
 *
 * @param[out] o_genData - pointer to generated data
 *
 * @return errlHndl_t - Null if successful, otherwise a pointer to
 *                      the error log
 */
errlHndl_t nvdimm_getRandom(uint8_t* o_genData);


/**
 * @brief Helper function to make a random number valid for keys
 *        Keys must not contain 0x00 or 0xFF
 *         - 0x00 KEY_TERMINATE_BYTE terminates a key < 32 bytes
 *         - 0xFF KEY_ABORT_BYTE aborts the key reg write process
 *        This function finds invalid bytes in the first random number
 *         and replaces with bytes from the second random number
 *
 * @param[out] o_genData - pointer to final generated data
 *
 * @param[in] i_xtraData - pointer to extra generated data
 *
 * @return - false if successful, true if failed
 *
 */
bool nvdimm_keyifyRandomNumber(uint8_t* o_genData, uint8_t* i_xtraData);


/**
 * @brief Helper function to validate a random number
 *
 * @param[in] i_genData - pointer to generated data
 *
 * @return - true if valid, false if invalid
 *
 */
bool nvdimm_validRandomNumber(uint8_t* i_genData);


/**
 * @brief Helper function to set encryption error
 *        in ATTR_NVDIMM_ARMED
 *
 * @param[in] i_nvdimm - nvdimm target
 *
 */
void nvdimmSetEncryptionError(TARGETING::Target *i_nvdimm);


/**
 * @brief Helper function to reset the NVDIMM controller
 *
 * @param[in] i_nvdimm - nvdimm target
 *
 * @return errlHndl_t - Null if successful, otherwise a pointer to
 *                      the error log
 */
errlHndl_t nvdimmResetController(TARGETING::Target *i_nvdimm);


/**
 * @brief Helper function to factory reset NVDIMM
 *
 * @param[in] i_nvdimm - nvdimm target
 *
 * @return errlHndl_t - Null if successful, otherwise a pointer to
 *                      the error log
 */
errlHndl_t nvdimm_factory_reset(TARGETING::Target *i_nvdimm);


#ifndef __HOSTBOOT_RUNTIME

/**
 * @brief Helper function to get TPM pointer for random number generation
 *
 * @param[out] - pointer to a functional TPM or nullptr if no TPM found
 *
 * @return errlHndl_t - Null if successful, otherwise a pointer to
 *                      the error log
 */
errlHndl_t nvdimm_getTPM(TARGETING::Target*& o_tpm);

#endif

/**
 * @brief This function checks for valid image on the given target
 *
 * @param[in] i_nvdimm - nvdimm target with NV controller
 *
 * @param[out] o_imgValid - return true if the target has a valid image
 *
 * @return errlHndl_t - Null if successful, otherwise a pointer to
 *      the error log.
 */
errlHndl_t nvdimmValidImage(TARGETING::Target *i_nvdimm, bool &o_imgValid);


/**
 * @brief This function grabs the current slot NVDIMM code is running
 *        Slot 0 is the failure slot, Slot 1 is the updateable slot
 *
 * @param[in] i_nvdimm - nvdimm target with NV controller
 * @param[out] o_slot -  0 or 1
 *
 * @return errlHndl_t - Null if successful, otherwise a pointer to
 *      the error log.
 */
errlHndl_t nvdimmGetRunningSlot(TARGETING::Target *i_nvdimm, uint8_t & o_slot);

} //End NVDIMM namespace


#endif  // NVDIMM_H__
OpenPOWER on IntegriCloud