summaryrefslogtreecommitdiffstats
path: root/sys/contrib/octeon-sdk/cvmx-tra.c
blob: 4bf8f453853a389920f3b6a3585c31306a27bfd6 (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
777
778
779
780
781
782
783
784
785
786
787
788
789
790
791
792
793
794
795
796
797
798
799
800
801
802
803
804
805
806
807
808
809
810
811
812
813
814
815
816
817
818
819
820
821
822
823
824
825
826
827
828
829
830
831
832
833
834
835
836
837
838
839
840
841
842
843
844
845
846
847
848
849
850
851
852
853
854
855
856
857
858
859
860
861
862
863
864
865
866
867
868
869
870
871
872
873
874
875
876
877
878
879
880
881
882
883
884
885
886
887
888
889
890
891
892
893
894
895
896
897
898
899
900
901
902
903
904
905
906
907
908
909
910
911
912
913
914
915
916
917
918
919
920
921
922
923
924
925
926
927
928
929
930
931
932
933
934
935
936
937
938
939
940
941
942
943
/***********************license start***************
 * Copyright (c) 2003-2010  Cavium Inc. (support@cavium.com). All rights
 * reserved.
 *
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are
 * met:
 *
 *   * Redistributions of source code must retain the above copyright
 *     notice, this list of conditions and the following disclaimer.
 *
 *   * Redistributions in binary form must reproduce the above
 *     copyright notice, this list of conditions and the following
 *     disclaimer in the documentation and/or other materials provided
 *     with the distribution.

 *   * Neither the name of Cavium Inc. nor the names of
 *     its contributors may be used to endorse or promote products
 *     derived from this software without specific prior written
 *     permission.

 * This Software, including technical data, may be subject to U.S. export  control
 * laws, including the U.S. Export Administration Act and its  associated
 * regulations, and may be subject to export or import  regulations in other
 * countries.

 * TO THE MAXIMUM EXTENT PERMITTED BY LAW, THE SOFTWARE IS PROVIDED "AS IS"
 * AND WITH ALL FAULTS AND CAVIUM INC. MAKES NO PROMISES, REPRESENTATIONS OR
 * WARRANTIES, EITHER EXPRESS, IMPLIED, STATUTORY, OR OTHERWISE, WITH RESPECT TO
 * THE SOFTWARE, INCLUDING ITS CONDITION, ITS CONFORMITY TO ANY REPRESENTATION OR
 * DESCRIPTION, OR THE EXISTENCE OF ANY LATENT OR PATENT DEFECTS, AND CAVIUM
 * SPECIFICALLY DISCLAIMS ALL IMPLIED (IF ANY) WARRANTIES OF TITLE,
 * MERCHANTABILITY, NONINFRINGEMENT, FITNESS FOR A PARTICULAR PURPOSE, LACK OF
 * VIRUSES, ACCURACY OR COMPLETENESS, QUIET ENJOYMENT, QUIET POSSESSION OR
 * CORRESPONDENCE TO DESCRIPTION. THE ENTIRE  RISK ARISING OUT OF USE OR
 * PERFORMANCE OF THE SOFTWARE LIES WITH YOU.
 ***********************license end**************************************/






/**
 * @file
 *
 * Interface to the Trace buffer hardware.
 *
 * <hr>$Revision: 30644 $<hr>
 */
#ifdef CVMX_BUILD_FOR_LINUX_KERNEL
#include <linux/module.h>
#include <asm/octeon/cvmx.h>
#include <asm/octeon/cvmx-tra.h>
#include <asm/octeon/cvmx-l2c.h>
#else
#include "cvmx.h"
#include "cvmx-tra.h"
#include "cvmx-l2c.h"
#endif

static const char *TYPE_ARRAY[] = {
    "DWB - Don't write back",
    "PL2 - Prefetch into L2",
    "PSL1 - Dcache fill, skip L2",
    "LDD - Dcache fill",
    "LDI - Icache/IO fill",
    "LDT - Icache/IO fill, skip L2",
    "STF - Store full",
    "STC - Store conditional",
    "STP - Store partial",
    "STT - Store full, skip L2",
    "IOBLD8 - IOB 8bit load",
    "IOBLD16 - IOB 16bit load",
    "IOBLD32 - IOB 32bit load",
    "IOBLD64 - IOB 64bit load",
    "IOBST - IOB store",
    "IOBDMA - Async IOB",
    "SAA - Store atomic add",
    "RSVD17",
    "RSVD18",
    "RSVD19",
    "RSVD20",
    "RSVD21",
    "RSVD22",
    "RSVD23",
    "RSVD24",
    "RSVD25",
    "RSVD26",
    "RSVD27",
    "RSVD28",
    "RSVD29",
    "RSVD30",
    "RSVD31"
};

static const char *TYPE_ARRAY2[] = {
    "NOP - None",
    "LDT - Icache/IO fill, skip L2",
    "LDI - Icache/IO fill",
    "PL2 - Prefetch into L2",
    "RPL2 - Mark for replacement in L2",
    "DWB - Don't write back",
    "RSVD6",
    "RSVD7",
    "LDD - Dcache fill",
    "PSL1 - Prefetch L1, skip L2",
    "RSVD10",
    "RSVD11",
    "RSVD12",
    "RSVD13",
    "RSVD14",
    "IOBDMA - Async IOB",
    "STF - Store full",
    "STT - Store full, skip L2",
    "STP - Store partial",
    "STC - Store conditional",
    "STFIL1 - Store full, invalidate L1",
    "STTIL1 - Store full, skip L2, invalidate L1",
    "FAS32 - Atomic 32bit swap",
    "FAS64 - Atomic 64bit swap",
    "WBIL2i - Writeback, invalidate, by index/way",
    "LTGL2i - Read tag@index/way",
    "STGL2i - Write tag@index/way",
    "RSVD27",
    "INVL2 - Invalidate, by address",
    "WBIL2 - Writeback, invalidate, by address",
    "WBL2 - Writeback, by address",
    "LCKL2 - Allocate, lock, by address",
    "IOBLD8 - IOB 8bit load",
    "IOBLD16 - IOB 16bit load",
    "IOBLD32 - IOB 32bit load",
    "IOBLD64 - IOB 64bit load",
    "IOBST8 - IOB 8bit store",
    "IOBST16 - IOB 16bit store",
    "IOBST32 - IOB 32bit store",
    "IOBST64 - IOB 64bit store",
    "SET8 - 8bit Atomic swap with 1's",
    "SET16 - 16bit Atomic swap with 1's",
    "SET32 - 32bit Atomic swap with 1's",
    "SET64 - 64bit Atomic swap with 1's",
    "CLR8 - 8bit Atomic swap with 0's",
    "CLR16 - 16bit Atomic swap with 0's",
    "CLR32 - 32bit Atomic swap with 0's",
    "CLR64 - 64bit Atomic swap with 0's",
    "INCR8 - 8bit Atomic fetch & add by 1",
    "INCR16 - 16bit Atomic fetch & add by 1",
    "INCR32 - 32bit Atomic fetch & add by 1",
    "INCR64 - 64bit Atomic fetch & add by 1",
    "DECR8 - 8bit Atomic fetch & add by -1",
    "DECR16 - 16bit Atomic fetch & add by -1",
    "DECR32 - 32bit Atomic fetch & add by -1",
    "DECR64 - 64bit Atomic fetch & add by -1",
    "RSVD56",
    "RSVD57",
    "FAA32 - 32bit Atomic fetch and add",
    "FAA64 - 64bit Atomic fetch and add",
    "RSVD60",
    "RSVD61",
    "SAA32 - 32bit Atomic add",
    "SAA64 - 64bit Atomic add"
};

static const char *SOURCE_ARRAY[] = {
    "PP0",
    "PP1",
    "PP2",
    "PP3",
    "PP4",
    "PP5",
    "PP6",
    "PP7",
    "PP8",
    "PP9",
    "PP10",
    "PP11",
    "PP12",
    "PP13",
    "PP14",
    "PP15",
    "PIP/IPD",
    "PKO-R",
    "FPA/TIM/DFA/PCI/ZIP/POW/PKO-W",
    "DWB",
    "RSVD20",
    "RSVD21",
    "RSVD22",
    "RSVD23",
    "RSVD24",
    "RSVD25",
    "RSVD26",
    "RSVD27",
    "RSVD28",
    "RSVD29",
    "RSVD30",
    "RSVD31",
    "PP16",
    "PP17",
    "PP18",
    "PP19",
    "PP20",
    "PP21",
    "PP22",
    "PP23",
    "PP24",
    "PP25",
    "PP26",
    "PP27",
    "PP28",
    "PP29",
    "PP30",
    "PP31"
};

static const char *DEST_ARRAY[] = {
    "CIU/GPIO",
    "RSVD1",
    "RSVD2",
    "PCI/PCIe/SLI",
    "KEY",
    "FPA",
    "DFA",
    "ZIP",
    "RNG",
    "IPD",
    "PKO",
    "RSVD11",
    "POW",
    "USB0",
    "RAD",
    "RSVD15",
    "RSVD16",
    "RSVD17",
    "RSVD18",
    "RSVD19",
    "RSVD20",
    "RSVD21",
    "RSVD22",
    "RSVD23",
    "RSVD24",
    "RSVD25",
    "RSVD26",
    "DPI",
    "RSVD28",
    "RSVD29",
    "FAU",
    "RSVD31"
};

int _cvmx_tra_unit = 0;

#define CVMX_TRA_SOURCE_MASK       (OCTEON_IS_MODEL(OCTEON_CN63XX) ? 0xf00ff : 0xfffff)
#define CVMX_TRA_DESTINATION_MASK  0xfffffffful

/**
 * @INTERNAL
 * Setup the trace buffer filter command mask. The bit position of filter commands
 * are different for each Octeon model.
 *
 * @param filter    Which event to log
 * @return          Bitmask of filter command based on the event.
 */
static uint64_t __cvmx_tra_set_filter_cmd_mask(cvmx_tra_filt_t filter)
{
    cvmx_tra_filt_cmd_t filter_command;

    if (OCTEON_IS_MODEL(OCTEON_CN3XXX) || OCTEON_IS_MODEL(OCTEON_CN5XXX))
    {
        /* Bit positions of filter commands are different, map it accordingly */
        uint64_t cmd = 0;
        if ((filter & CVMX_TRA_FILT_ALL) == -1ull)
        {
            if (OCTEON_IS_MODEL(OCTEON_CN5XXX))
                cmd = 0x1ffff;
            else
                cmd = 0xffff;
        }
        if (filter & CVMX_TRA_FILT_DWB)
            cmd |= 1ull<<0;
        if (filter & CVMX_TRA_FILT_PL2)
            cmd |= 1ull<<1;
        if (filter & CVMX_TRA_FILT_PSL1)
            cmd |= 1ull<<2;
        if (filter & CVMX_TRA_FILT_LDD)
            cmd |= 1ull<<3;
        if (filter & CVMX_TRA_FILT_LDI)
            cmd |= 1ull<<4;
        if (filter & CVMX_TRA_FILT_LDT)
            cmd |= 1ull<<5;
        if (filter & CVMX_TRA_FILT_STF)
            cmd |= 1ull<<6;
        if (filter & CVMX_TRA_FILT_STC)
            cmd |= 1ull<<7;
        if (filter & CVMX_TRA_FILT_STP)
            cmd |= 1ull<<8;
        if (filter & CVMX_TRA_FILT_STT)
            cmd |= 1ull<<9;
        if (filter & CVMX_TRA_FILT_IOBLD8)
            cmd |= 1ull<<10;
        if (filter & CVMX_TRA_FILT_IOBLD16)
            cmd |= 1ull<<11;
        if (filter & CVMX_TRA_FILT_IOBLD32)
            cmd |= 1ull<<12;
        if (filter & CVMX_TRA_FILT_IOBLD64)
            cmd |= 1ull<<13;
        if (filter & CVMX_TRA_FILT_IOBST)
            cmd |= 1ull<<14;
        if (filter & CVMX_TRA_FILT_IOBDMA)
            cmd |= 1ull<<15;
        if (OCTEON_IS_MODEL(OCTEON_CN5XXX) && (filter & CVMX_TRA_FILT_SAA))
            cmd |= 1ull<<16;

        filter_command.u64 = cmd;
    }
    else
    {
        if ((filter & CVMX_TRA_FILT_ALL) == -1ull)
            filter_command.u64 = CVMX_TRA_FILT_ALL;
        else
            filter_command.u64 = filter;

        filter_command.cn63xx.reserved_60_61 = 0;
        filter_command.cn63xx.reserved_56_57 = 0;
        filter_command.cn63xx.reserved_27_27 = 0;
        filter_command.cn63xx.reserved_10_14 = 0;
        filter_command.cn63xx.reserved_6_7 = 0;
    }
    return filter_command.u64;
}


/**
 * Setup the TRA buffer for use
 *
 * @param control TRA control setup
 * @param filter  Which events to log
 * @param source_filter
 *                Source match
 * @param dest_filter
 *                Destination match
 * @param address Address compare
 * @param address_mask
 *                Address mask
 */
void cvmx_tra_setup(cvmx_tra_ctl_t control, cvmx_tra_filt_t filter,
                    cvmx_tra_sid_t source_filter, cvmx_tra_did_t dest_filter,
                    uint64_t address, uint64_t address_mask)
{
    cvmx_tra_filt_cmd_t filt_cmd;
    cvmx_tra_filt_sid_t filt_sid;
    cvmx_tra_filt_did_t filt_did;
    int tad;

    filt_cmd.u64 = __cvmx_tra_set_filter_cmd_mask(filter);
    filt_sid.u64 = source_filter & CVMX_TRA_SOURCE_MASK;
    filt_did.u64 = dest_filter & CVMX_TRA_DESTINATION_MASK;

    /* Address filtering does not work when IOBDMA filter command is enabled
       because of some caveats.  Disable the IOBDMA filter command. */
    if ((OCTEON_IS_MODEL(OCTEON_CN6XXX) || OCTEON_IS_MODEL(OCTEON_CNF7XXX)) 
        && ((filt_cmd.u64 & CVMX_TRA_FILT_IOBDMA) == CVMX_TRA_FILT_IOBDMA)
        && address_mask != 0)
    {
        cvmx_dprintf("The address-based filtering does not work with IOBDMAs, disabling the filter command.\n");
        filt_cmd.u64 &= ~(CVMX_TRA_FILT_IOBDMA);
    } 

    /* In OcteonII pass2, the mode bit is added to enable reading the trace 
       buffer data from different registers for lower and upper 64-bit value.
       This bit is reserved in other Octeon models. */
    control.s.rdat_md = 1;

    for (tad = 0; tad < CVMX_L2C_TADS; tad++)
    {
        cvmx_write_csr(CVMX_TRAX_CTL(tad),            control.u64);
        cvmx_write_csr(CVMX_TRAX_FILT_CMD(tad),       filt_cmd.u64);
        cvmx_write_csr(CVMX_TRAX_FILT_SID(tad),       filt_sid.u64);
        cvmx_write_csr(CVMX_TRAX_FILT_DID(tad),       filt_did.u64);
        cvmx_write_csr(CVMX_TRAX_FILT_ADR_ADR(tad),   address);
        cvmx_write_csr(CVMX_TRAX_FILT_ADR_MSK(tad),   address_mask);
    }
}
#ifdef CVMX_BUILD_FOR_LINUX_KERNEL
EXPORT_SYMBOL(cvmx_tra_setup);
#endif

/**
 * Setup each TRA buffer for use
 *
 * @param tra     Which TRA buffer to use (0-3)
 * @param control TRA control setup
 * @param filter  Which events to log
 * @param source_filter
 *                Source match
 * @param dest_filter
 *                Destination match
 * @param address Address compare
 * @param address_mask
 *                Address mask
 */
void cvmx_tra_setup_v2(int tra, cvmx_tra_ctl_t control, cvmx_tra_filt_t filter,
                    cvmx_tra_sid_t source_filter, cvmx_tra_did_t dest_filter,
                    uint64_t address, uint64_t address_mask)
{
    cvmx_tra_filt_cmd_t filt_cmd;
    cvmx_tra_filt_sid_t filt_sid;
    cvmx_tra_filt_did_t filt_did;

    if ((tra + 1) > CVMX_L2C_TADS)
    {
        cvmx_dprintf("cvmx_tra_setup_per_tra: Invalid tra(%d), max allowed (%d)\n", tra, CVMX_L2C_TADS - 1);
        tra = 0;
    }

    filt_cmd.u64 = __cvmx_tra_set_filter_cmd_mask(filter);
    filt_sid.u64 = source_filter & CVMX_TRA_SOURCE_MASK;
    filt_did.u64 = dest_filter & CVMX_TRA_DESTINATION_MASK;

    /* Address filtering does not work when IOBDMA filter command is enabled
       because of some caveats.  Disable the IOBDMA filter command. */
    if ((OCTEON_IS_MODEL(OCTEON_CN6XXX) || OCTEON_IS_MODEL(OCTEON_CNF7XXX)) 
        && ((filt_cmd.u64 & CVMX_TRA_FILT_IOBDMA) == CVMX_TRA_FILT_IOBDMA)
        && address_mask != 0)
    {
        cvmx_dprintf("The address-based filtering does not work with IOBDMAs, disabling the filter command.\n");
        filt_cmd.u64 &= ~(CVMX_TRA_FILT_IOBDMA);
    } 

    /* In OcteonII pass2, the mode bit is added to enable reading the trace 
       buffer data from different registers for lower and upper 64-bit value.
       This bit is reserved in other Octeon models. */
    control.s.rdat_md = 1;

    cvmx_write_csr(CVMX_TRAX_CTL(tra),            control.u64);
    cvmx_write_csr(CVMX_TRAX_FILT_CMD(tra),       filt_cmd.u64);
    cvmx_write_csr(CVMX_TRAX_FILT_SID(tra),       filt_sid.u64);
    cvmx_write_csr(CVMX_TRAX_FILT_DID(tra),       filt_did.u64);
    cvmx_write_csr(CVMX_TRAX_FILT_ADR_ADR(tra),   address);
    cvmx_write_csr(CVMX_TRAX_FILT_ADR_MSK(tra),   address_mask);
}
#ifdef CVMX_BUILD_FOR_LINUX_KERNEL
EXPORT_SYMBOL(cvmx_tra_setup_v2);
#endif

/**
 * Setup a TRA trigger. How the triggers are used should be
 * setup using cvmx_tra_setup.
 *
 * @param trigger Trigger to setup (0 or 1)
 * @param filter  Which types of events to trigger on
 * @param source_filter
 *                Source trigger match
 * @param dest_filter
 *                Destination trigger match
 * @param address Trigger address compare
 * @param address_mask
 *                Trigger address mask
 */
void cvmx_tra_trig_setup(uint64_t trigger, cvmx_tra_filt_t filter,
                         cvmx_tra_sid_t source_filter, cvmx_tra_did_t dest_filter,
                         uint64_t address, uint64_t address_mask)
{
    cvmx_tra_filt_cmd_t tra_filt_cmd;
    cvmx_tra_filt_sid_t tra_filt_sid;
    cvmx_tra_filt_did_t tra_filt_did;
    int tad;

    tra_filt_cmd.u64 = __cvmx_tra_set_filter_cmd_mask(filter);
    tra_filt_sid.u64 = source_filter & CVMX_TRA_SOURCE_MASK;
    tra_filt_did.u64 = dest_filter & CVMX_TRA_DESTINATION_MASK;

    /* Address filtering does not work when IOBDMA filter command is enabled
       because of some caveats.  Disable the IOBDMA filter command. */
    if ((OCTEON_IS_MODEL(OCTEON_CN6XXX) || OCTEON_IS_MODEL(OCTEON_CNF7XXX)) 
        && ((tra_filt_cmd.u64 & CVMX_TRA_FILT_IOBDMA) == CVMX_TRA_FILT_IOBDMA)
        && address_mask != 0)
    {
        cvmx_dprintf("The address-based filtering does not work with IOBDMAs, disabling the filter command.\n");
        tra_filt_cmd.u64 &= ~(CVMX_TRA_FILT_IOBDMA);
    }

    for (tad = 0; tad < CVMX_L2C_TADS; tad++)
    {
        cvmx_write_csr(CVMX_TRAX_TRIG0_CMD(tad) + trigger * 64,       tra_filt_cmd.u64);
        cvmx_write_csr(CVMX_TRAX_TRIG0_SID(tad) + trigger * 64,       tra_filt_sid.u64);
        cvmx_write_csr(CVMX_TRAX_TRIG0_DID(tad) + trigger * 64,       tra_filt_did.u64);
        cvmx_write_csr(CVMX_TRAX_TRIG0_ADR_ADR(tad) + trigger * 64,   address);
        cvmx_write_csr(CVMX_TRAX_TRIG0_ADR_MSK(tad) + trigger * 64,   address_mask);
    }
}
#ifdef CVMX_BUILD_FOR_LINUX_KERNEL
EXPORT_SYMBOL(cvmx_tra_trig_setup);
#endif

/**
 * Setup each TRA trigger. How the triggers are used should be
 * setup using cvmx_tra_setup.
 *
 * @param tra     Which TRA buffer to use (0-3)
 * @param trigger Trigger to setup (0 or 1)
 * @param filter  Which types of events to trigger on
 * @param source_filter
 *                Source trigger match
 * @param dest_filter
 *                Destination trigger match
 * @param address Trigger address compare
 * @param address_mask
 *                Trigger address mask
 */
void cvmx_tra_trig_setup_v2(int tra, uint64_t trigger, cvmx_tra_filt_t filter,
                         cvmx_tra_sid_t source_filter, cvmx_tra_did_t dest_filter,
                         uint64_t address, uint64_t address_mask)
{
    cvmx_tra_filt_cmd_t tra_filt_cmd;
    cvmx_tra_filt_sid_t tra_filt_sid;
    cvmx_tra_filt_did_t tra_filt_did;

    tra_filt_cmd.u64 = __cvmx_tra_set_filter_cmd_mask(filter);
    tra_filt_sid.u64 = source_filter & CVMX_TRA_SOURCE_MASK;
    tra_filt_did.u64 = dest_filter & CVMX_TRA_DESTINATION_MASK;

    /* Address filtering does not work when IOBDMA filter command is enabled
       because of some caveats.  Disable the IOBDMA filter command. */
    if ((OCTEON_IS_MODEL(OCTEON_CN6XXX) || OCTEON_IS_MODEL(OCTEON_CNF7XXX)) 
        && ((tra_filt_cmd.u64 & CVMX_TRA_FILT_IOBDMA) == CVMX_TRA_FILT_IOBDMA)
        && address_mask != 0)
    {
        cvmx_dprintf("The address-based filtering does not work with IOBDMAs, disabling the filter command.\n");
        tra_filt_cmd.u64 &= ~(CVMX_TRA_FILT_IOBDMA);
    }

    cvmx_write_csr(CVMX_TRAX_TRIG0_CMD(tra) + trigger * 64,       tra_filt_cmd.u64);
    cvmx_write_csr(CVMX_TRAX_TRIG0_SID(tra) + trigger * 64,       tra_filt_sid.u64);
    cvmx_write_csr(CVMX_TRAX_TRIG0_DID(tra) + trigger * 64,       tra_filt_did.u64);
    cvmx_write_csr(CVMX_TRAX_TRIG0_ADR_ADR(tra) + trigger * 64,   address);
    cvmx_write_csr(CVMX_TRAX_TRIG0_ADR_MSK(tra) + trigger * 64,   address_mask);
}
#ifdef CVMX_BUILD_FOR_LINUX_KERNEL
EXPORT_SYMBOL(cvmx_tra_trig_setup_v2);
#endif

/**
 * Read an entry from the TRA buffer
 *
 * @return Value return. High bit will be zero if there wasn't any data
 */
cvmx_tra_data_t cvmx_tra_read(void)
{
    uint64_t address = CVMX_TRA_READ_DAT;
    cvmx_tra_data_t result;

    /* The trace buffer format is wider than 64-bits in OcteonII model,
       read the register again to get the second part of the data. */
    if (OCTEON_IS_MODEL(OCTEON_CN63XX_PASS1_X))
    {
        /* These reads need to be as close as possible to each other */
        result.u128.data = cvmx_read_csr(address);
        result.u128.datahi = cvmx_read_csr(address);
    }
    else if (!OCTEON_IS_MODEL(OCTEON_CN3XXX) && !OCTEON_IS_MODEL(OCTEON_CN5XXX))
    {
        /* OcteonII pass2 uses different trace buffer data register for reading
           lower and upper 64-bit values */
        result.u128.data = cvmx_read_csr(address);
        result.u128.datahi = cvmx_read_csr(CVMX_TRA_READ_DAT_HI);
    }
    else
    {
        result.u128.data = cvmx_read_csr(address);
        result.u128.datahi = 0;
    }

    return result;
}

/**
 * Read an entry from the TRA buffer from a given TRA unit.
 *
 * @param tra_unit  Trace buffer unit to read
 *
 * @return Value return. High bit will be zero if there wasn't any data
 */
cvmx_tra_data_t cvmx_tra_read_v2(int tra_unit)
{
    cvmx_tra_data_t result;

    result.u128.data = cvmx_read_csr(CVMX_TRAX_READ_DAT(tra_unit));
    result.u128.datahi = cvmx_read_csr(CVMX_TRAX_READ_DAT_HI(tra_unit));

    return result;
} 

/**
 * Decode a TRA entry into human readable output
 *
 * @param tra_ctl Trace control setup
 * @param data    Data to decode
 */
void cvmx_tra_decode_text(cvmx_tra_ctl_t tra_ctl, cvmx_tra_data_t data)
{
    if (OCTEON_IS_MODEL(OCTEON_CN3XXX) || OCTEON_IS_MODEL(OCTEON_CN5XXX))
    {
        /* The type is a five bit field for some entries and 4 for other. The four
           bit entries can be mis-typed if the top is set */
        int type = data.cmn.type;

        if (type >= 0x1a)
            type &= 0xf;

        switch (type)
        {
            case 0:  /* DWB */
            case 1:  /* PL2 */
            case 2:  /* PSL1 */
            case 3:  /* LDD */
            case 4:  /* LDI */
            case 5:  /* LDT */
                cvmx_dprintf("0x%016llx %c%+10d %s %s 0x%016llx\n",
                    (unsigned long long)data.u128.data,
                    (data.cmn.discontinuity) ? 'D' : ' ',
                    data.cmn.timestamp << (tra_ctl.s.time_grn*3),
                    TYPE_ARRAY[type],
                    SOURCE_ARRAY[data.cmn.source],
                    (unsigned long long)data.cmn.address);
                break;
            case 6:  /* STF */
            case 7:  /* STC */
            case 8:  /* STP */
            case 9:  /* STT */
            case 16: /* SAA */
                cvmx_dprintf("0x%016llx %c%+10d %s %s mask=0x%02x 0x%016llx\n",
                   (unsigned long long)data.u128.data,
                   (data.cmn.discontinuity) ? 'D' : ' ',
                   data.cmn.timestamp << (tra_ctl.s.time_grn*3),
                   TYPE_ARRAY[type],
                   SOURCE_ARRAY[data.store.source],
                   (unsigned int)data.store.mask,
                   (unsigned long long)data.store.address << 3);
                break;
            case 10:  /* IOBLD8 */
            case 11:  /* IOBLD16 */
            case 12:  /* IOBLD32 */
            case 13:  /* IOBLD64 */
            case 14:  /* IOBST */
                cvmx_dprintf("0x%016llx %c%+10d %s %s->%s subdid=0x%x 0x%016llx\n",
                   (unsigned long long)data.u128.data,
                   (data.cmn.discontinuity) ? 'D' : ' ',
                   data.cmn.timestamp << (tra_ctl.s.time_grn*3),
                   TYPE_ARRAY[type],
                   SOURCE_ARRAY[data.iobld.source],
                   DEST_ARRAY[data.iobld.dest],
                   (unsigned int)data.iobld.subid,
                   (unsigned long long)data.iobld.address);
                break;
            case 15:  /* IOBDMA */
                cvmx_dprintf("0x%016llx %c%+10d %s %s->%s len=0x%x 0x%016llx\n",
                   (unsigned long long)data.u128.data,
                   (data.cmn.discontinuity) ? 'D' : ' ',
                   data.cmn.timestamp << (tra_ctl.s.time_grn*3),
                   TYPE_ARRAY[type],
                   SOURCE_ARRAY[data.iob.source],
                   DEST_ARRAY[data.iob.dest],
                   (unsigned int)data.iob.mask,
                   (unsigned long long)data.iob.address << 3);
                break;
            default:
                cvmx_dprintf("0x%016llx %c%+10d Unknown format\n",
                   (unsigned long long)data.u128.data,
                   (data.cmn.discontinuity) ? 'D' : ' ',
                   data.cmn.timestamp << (tra_ctl.s.time_grn*3));
                break;
        }
    }
    else
    {
        int type;
        int srcId;

        type = data.cmn2.type;

        switch (1ull<<type)
        {
            case CVMX_TRA_FILT_DECR64:
            case CVMX_TRA_FILT_DECR32:
            case CVMX_TRA_FILT_DECR16:
            case CVMX_TRA_FILT_DECR8:
            case CVMX_TRA_FILT_INCR64:
            case CVMX_TRA_FILT_INCR32:
            case CVMX_TRA_FILT_INCR16:
            case CVMX_TRA_FILT_INCR8:
            case CVMX_TRA_FILT_CLR64:
            case CVMX_TRA_FILT_CLR32:
            case CVMX_TRA_FILT_CLR16:
            case CVMX_TRA_FILT_CLR8:
            case CVMX_TRA_FILT_SET64:
            case CVMX_TRA_FILT_SET32:
            case CVMX_TRA_FILT_SET16:
            case CVMX_TRA_FILT_SET8:
            case CVMX_TRA_FILT_LCKL2:
            case CVMX_TRA_FILT_WBIL2:
            case CVMX_TRA_FILT_INVL2:
            case CVMX_TRA_FILT_STGL2I:
            case CVMX_TRA_FILT_LTGL2I:
            case CVMX_TRA_FILT_WBIL2I:
            case CVMX_TRA_FILT_WBL2:
            case CVMX_TRA_FILT_DWB:
            case CVMX_TRA_FILT_RPL2:
            case CVMX_TRA_FILT_PL2:
            case CVMX_TRA_FILT_LDI:
            case CVMX_TRA_FILT_LDT:
                /* CN68XX has 32 cores which are distributed to use different
                   trace buffers, decode the core that has data */
                if (OCTEON_IS_MODEL(OCTEON_CN68XX))
                {
                    if (data.cmn2.source <= 7)
                    {
                        srcId = _cvmx_tra_unit + (data.cmn2.source * 4);
                        if (srcId >= 16)
                            srcId += 16;
                    }
                    else
                        srcId = (data.cmn2.source);
                }
                else
                        srcId = (data.cmn2.source);
                
                cvmx_dprintf("0x%016llx%016llx %c%+10d %s %s 0x%016llx%llx\n",
                   (unsigned long long)data.u128.datahi, (unsigned long long)data.u128.data,
                   (data.cmn2.discontinuity) ? 'D' : ' ',
                   data.cmn2.timestamp << (tra_ctl.s.time_grn*3),
                   TYPE_ARRAY2[type],
                   SOURCE_ARRAY[srcId],
                   (unsigned long long)data.cmn2.addresshi,
                   (unsigned long long)data.cmn2.addresslo);
                break;
            case CVMX_TRA_FILT_PSL1:
            case CVMX_TRA_FILT_LDD:
            case CVMX_TRA_FILT_FAS64:
            case CVMX_TRA_FILT_FAS32:
            case CVMX_TRA_FILT_FAA64:
            case CVMX_TRA_FILT_FAA32:
            case CVMX_TRA_FILT_SAA64:
            case CVMX_TRA_FILT_SAA32:
            case CVMX_TRA_FILT_STC:
            case CVMX_TRA_FILT_STF:
            case CVMX_TRA_FILT_STP:
            case CVMX_TRA_FILT_STT:
            case CVMX_TRA_FILT_STTIL1:
            case CVMX_TRA_FILT_STFIL1:
                /* CN68XX has 32 cores which are distributed to use different
                   trace buffers, decode the core that has data */
                if (OCTEON_IS_MODEL(OCTEON_CN68XX))
                {
                    if (data.store2.source <= 7)
                    {
                        srcId = _cvmx_tra_unit + (data.store2.source * 4);
                        if (srcId >= 16)
                            srcId += 16;
                    }
                    else
                        srcId = data.store2.source;
                }
                else
                        srcId = data.store2.source;

                cvmx_dprintf("0x%016llx%016llx %c%+10d %s %s mask=0x%02x 0x%016llx%llx\n",
                   (unsigned long long)data.u128.datahi, (unsigned long long)data.u128.data,
                   (data.cmn2.discontinuity) ? 'D' : ' ',
                   data.cmn2.timestamp << (tra_ctl.s.time_grn*3),
                   TYPE_ARRAY2[type],
                   SOURCE_ARRAY[srcId],
                   (unsigned int)data.store2.mask,
                   (unsigned long long)data.store2.addresshi,
                   (unsigned long long)data.store2.addresslo);
                break;
            case CVMX_TRA_FILT_IOBST64:
            case CVMX_TRA_FILT_IOBST32:
            case CVMX_TRA_FILT_IOBST16:
            case CVMX_TRA_FILT_IOBST8:
            case CVMX_TRA_FILT_IOBLD64:
            case CVMX_TRA_FILT_IOBLD32:
            case CVMX_TRA_FILT_IOBLD16:
            case CVMX_TRA_FILT_IOBLD8:
                /* CN68XX has 32 cores which are distributed to use different
                   trace buffers, decode the core that has data */
                if (OCTEON_IS_MODEL(OCTEON_CN68XX))
                {
                    if (data.iobld2.source <= 7)
                    {
                        srcId = _cvmx_tra_unit + (data.iobld2.source * 4);
                        if (srcId >= 16)
                            srcId += 16;
                    }
                    else
                        srcId = data.iobld2.source;
                }
                else
                        srcId = data.iobld2.source;

                cvmx_dprintf("0x%016llx%016llx %c%+10d %s %s->%s subdid=0x%x 0x%016llx%llx\n",
                   (unsigned long long)data.u128.datahi, (unsigned long long)data.u128.data,
                   (data.cmn2.discontinuity) ? 'D' : ' ',
                   data.cmn2.timestamp << (tra_ctl.s.time_grn*3),
                   TYPE_ARRAY2[type],
                   SOURCE_ARRAY[srcId],
                   DEST_ARRAY[data.iobld2.dest],
                   (unsigned int)data.iobld2.subid,
                   (unsigned long long)data.iobld2.addresshi,
                   (unsigned long long)data.iobld2.addresslo);
                break;
            case CVMX_TRA_FILT_IOBDMA:
                /* CN68XX has 32 cores which are distributed to use different
                   trace buffers, decode the core that has data */
                if (OCTEON_IS_MODEL(OCTEON_CN68XX))
                {
                    if (data.iob2.source <= 7)
                    {
                        srcId = _cvmx_tra_unit + (data.iob2.source * 4);
                        if (srcId >= 16)
                            srcId += 16;
                    }
                    else
                        srcId = data.iob2.source;
                }
                else
                        srcId = data.iob2.source;

                cvmx_dprintf("0x%016llx%016llx %c%+10d %s %s->%s len=0x%x 0x%016llx%llx\n",
                   (unsigned long long)data.u128.datahi, (unsigned long long)data.u128.data,
                   (data.iob2.discontinuity) ? 'D' : ' ',
                   data.iob2.timestamp << (tra_ctl.s.time_grn*3),
                   TYPE_ARRAY2[type],
                   SOURCE_ARRAY[srcId],
                   DEST_ARRAY[data.iob2.dest],
                   (unsigned int)data.iob2.mask,
                   (unsigned long long)data.iob2.addresshi << 3,
                   (unsigned long long)data.iob2.addresslo << 3);
                break;
            default:
                cvmx_dprintf("0x%016llx%016llx %c%+10d Unknown format\n",
                   (unsigned long long)data.u128.datahi, (unsigned long long)data.u128.data,
                   (data.cmn2.discontinuity) ? 'D' : ' ',
                   data.cmn2.timestamp << (tra_ctl.s.time_grn*3));
                break;
        }
    }
}

/**
 * Display the entire trace buffer. It is advised that you
 * disable the trace buffer before calling this routine
 * otherwise it could infinitely loop displaying trace data
 * that it created.
 */
void cvmx_tra_display(void)
{
    int valid = 0;

    /* Collect data from each TRA unit for decoding */
    if (CVMX_L2C_TADS > 1)
    {
        cvmx_trax_ctl_t tra_ctl;
        cvmx_tra_data_t data[4];
        int tad;
        do 
        {
            valid = 0;
            for (tad = 0; tad < CVMX_L2C_TADS; tad++)
                data[tad] = cvmx_tra_read_v2(tad);

            for (tad = 0; tad < CVMX_L2C_TADS; tad++)
            {
                tra_ctl.u64 = cvmx_read_csr(CVMX_TRAX_CTL(tad));

                if (data[tad].cmn2.valid)
                {
                    _cvmx_tra_unit = tad;
                    cvmx_tra_decode_text(tra_ctl, data[tad]);
                    valid = 1;
                }
            }
        } while (valid);
    }
    else
    {
        cvmx_tra_ctl_t tra_ctl;
        cvmx_tra_data_t data;

        tra_ctl.u64 = cvmx_read_csr(CVMX_TRA_CTL);

        do
        {
            data = cvmx_tra_read();
            if ((OCTEON_IS_MODEL(OCTEON_CN3XXX) || OCTEON_IS_MODEL(OCTEON_CN5XXX)) && data.cmn.valid)
                valid = 1;
            else if (data.cmn2.valid)
                valid = 1;
            else
                valid = 0;
    
            if (valid)
                cvmx_tra_decode_text(tra_ctl, data);

        } while (valid);
    }
}
#ifdef CVMX_BUILD_FOR_LINUX_KERNEL
EXPORT_SYMBOL(cvmx_tra_display);
#endif

/**
 * Display the entire trace buffer. It is advised that you
 * disable the trace buffer before calling this routine
 * otherwise it could infinitely loop displaying trace data
 * that it created.
 *
 * @param tra_unit   Which TRA buffer to use.
 */
void cvmx_tra_display_v2(int tra_unit)
{
    int valid = 0;

    cvmx_trax_ctl_t tra_ctl;
    cvmx_tra_data_t data;

    valid = 0;
    tra_ctl.u64 = cvmx_read_csr(CVMX_TRAX_CTL(tra_unit));

    do 
    {
        data = cvmx_tra_read_v2(tra_unit);
        if (data.cmn2.valid)
        {
            _cvmx_tra_unit = tra_unit; 
            cvmx_tra_decode_text(tra_ctl, data);
            valid = 1;
        }
    } while (valid);
}
#ifdef CVMX_BUILD_FOR_LINUX_KERNEL
EXPORT_SYMBOL(cvmx_tra_display_v2);
#endif
OpenPOWER on IntegriCloud