summaryrefslogtreecommitdiffstats
path: root/src/usr/isteps/istep21/call_host_start_payload.C
blob: 661af9d77c5198928ee04f9841f05e2ed727e8d8 (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
/* IBM_PROLOG_BEGIN_TAG                                                   */
/* This is an automatically generated prolog.                             */
/*                                                                        */
/* $Source: src/usr/isteps/istep21/call_host_start_payload.C $            */
/*                                                                        */
/* OpenPOWER HostBoot Project                                             */
/*                                                                        */
/* Contributors Listed Below - COPYRIGHT 2015,2017                        */
/* [+] Google Inc.                                                        */
/* [+] 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                                                     */

#include <errl/errlentry.H>
#include <errl/errlmanager.H>
#include <errl/errludtarget.H>
#include <initservice/isteps_trace.H>
#include <isteps/hwpisteperror.H>
#include <isteps/istep_reasoncodes.H>
#include <initservice/initserviceif.H>
#include <initservice/istepdispatcherif.H>
#include <secureboot/trustedbootif.H>
#include <sys/task.h>
#include <initservice/extinitserviceif.H>
#include <hbotcompid.H>
#include <sys/misc.h>
#include <targeting/common/util.H>
#include <pnor/pnorif.H>
#include <kernel/console.H>
#include <util/misc.H>
#include <sys/mm.h>
#include <kernel/ipc.H> // for internode data areas
#include <mbox/ipc_msg_types.H>
#include <devicefw/userif.H>
#include <arch/pirformat.H>
#include <isteps/hwpf_reasoncodes.H>
#include <fapi2/target.H>
#include <fapi2/plat_hwp_invoker.H>
#include <p9_cpu_special_wakeup.H>
#include <ipmi/ipmiwatchdog.H>
#include <config.h>

#ifdef CONFIG_DRTM_TRIGGERING
#include <secureboot/drtm.H>
#endif


using namespace ERRORLOG;
using namespace ISTEP;
using namespace ISTEP_ERROR;
using namespace TARGETING;
using namespace p9specialWakeup;

namespace ISTEP_21
{
/**
 * @brief This function will call the Initservice interface to shutdown
 *      Hostboot.  This function will call shutdown, passing in system
 *      attribute variables for the Payload base and Payload offset.
 *
 * @param[in] Host boot master instance number (logical node number)
 * @param[in] Is this the master HB instance [true|false]
 *
 * @return errlHndl_t - NULL if succesful, otherwise a pointer to the error
 *      log.
 */
errlHndl_t callShutdown ( uint64_t i_hbInstance, bool i_masterIntance );

/**
 * @brief This function will send an IPC message to all other HB instances
 *        to perfrom the shutdown sequence.
 * @param[in] Hostboot master instance number (logical node number)
 * @Return errlHndlt_t - Null if succesful, otherwise an error Handle
 */
errlHndl_t broadcastShutdown ( uint64_t i_hbInstance );

/**
 * @brief This function disables the special wakeup that allows scom
 *        operations on napped cores
 *
 * @return errlHndl_t error handle
 */
errlHndl_t disableSpecialWakeup();

/**
 * @brief Re-enables the local core checkstop function
 *
 * @return errlHndl_t error handle
 */
errlHndl_t enableCoreCheckstops();

/**
 * @brief This function will clear the PORE BARs.  Needs to be done
 *      depending on payload type
 *
 * @return errlHndl_t - NULL if successful, otherwise a pointer to the error
 *      log.
 */
errlHndl_t clearPoreBars ( void );

/**
 * @brief This function will check the Istep mode and send the appropriate
 *      mailbox message to the Fsp to indicate what we're doing.
 *
 * @param[in] i_istepModeFlag - Whether or not Isteps is enabled.
 *
 * @param[in] i_spFuncs - The SpFuncs system attribute.
 *
 * @return errlHndl_t - NULL if successful, otherwise a pointer to the error
 *      log.
 */
errlHndl_t notifyFsp ( bool i_istepModeFlag,
                       TARGETING::SpFunctions i_spFuncs );


void* call_host_start_payload (void *io_pArgs)
{
    errlHndl_t  l_errl  =   NULL;

    IStepError l_StepError;

    TRACDCOMP( ISTEPS_TRACE::g_trac_isteps_trace,
            "call_host_start_payload entry" );

    // Place a separator in the TPM to indicate we are passing control
    //  to the next level of firmware in the stack
    l_errl = TRUSTEDBOOT::pcrExtendSeparator();

    // For single-node systems, the non-master processors can be in a
    // different logical (powerbus) group.  Need to migrate task to master.
    task_affinity_pin();
    task_affinity_migrate_to_master();

    uint64_t this_node = PIR_t(task_getcpuid()).groupId;

    task_affinity_unpin();

#ifdef CONFIG_BMC_IPMI

    // TODO ISSUE 118082
    // ENABLE CODE BELOW ONCE OPAL COMPLETES ipmi WATCHDOG
#if 0
            //run the ipmi watchdog for a longer period to transition
            // to opel
            errlHndl_t err_ipmi = IPMIWATCHDOG::setWatchDogTimer(
                    IPMIWATCHDOG::DEFAULT_HB_OPAL_TRANSITION_COUNTDOWN);

            if(err_ipmi)
            {
               TRACFCOMP(ISTEPS_TRACE::g_trac_isteps_trace,
                              "init: ERROR: Set IPMI watchdog Failed");
                err_ipmi->collectTrace("ISTEPS_TRACE",256);
                errlCommit(err_ipmi, ISTEP_COMP_ID );

            }
#endif

    // TODO ISSUE 118082
    // REMOVE CODE BELOW ONCE OPAL COMPLETES IPMI WATCHDOG
    // THE CODE BELOW STOPS THE IPMI TIMER FROM RUNNING
    // TO PREVENT IT GETTING TRIGGERED DURING HB_OPAL TRANSITION

    // Call setWatchdogTimer without the default DON'T STOP
    // flag to stop the watchdog timer
    errlHndl_t err_ipmi = IPMIWATCHDOG::setWatchDogTimer(
            IPMIWATCHDOG::DEFAULT_HB_OPAL_TRANSITION_COUNTDOWN,
            IPMIWATCHDOG::BIOS_FRB2);

    if(err_ipmi)
    {
       TRACFCOMP(ISTEPS_TRACE::g_trac_isteps_trace,
                      "init: ERROR: Set IPMI watchdog Failed");
        err_ipmi->collectTrace("ISTEPS_TRACE",256);
        errlCommit(err_ipmi, ISTEP_COMP_ID );

    }

#endif

    // broadcast shutdown to other HB instances.
    l_errl = broadcastShutdown(this_node);

    if( l_errl == NULL)
    {
        //  - Run CXX testcases
        l_errl = INITSERVICE::executeUnitTests();
    }

#ifdef CONFIG_DRTM_TRIGGERING

    if(l_errl == nullptr)
    {
        bool drtmMpipl = false;
        SECUREBOOT::DRTM::isDrtmMpipl(drtmMpipl);
        if(!drtmMpipl)
        {
            TARGETING::Target* pSysTarget = nullptr;
            TARGETING::targetService().getTopLevelTarget(pSysTarget);
            if(pSysTarget == nullptr)
            {
                assert(false,"call_host_start_payload: BUG! System target was "
                    "nullptr.");
            }

            auto forceDrtm = pSysTarget->getAttr<
                TARGETING::ATTR_FORCE_PRE_PAYLOAD_DRTM>();

            if(forceDrtm)
            {
                l_errl = SECUREBOOT::DRTM::initiateDrtm();
                if(l_errl)
                {
                    TRACFCOMP(ISTEPS_TRACE::g_trac_isteps_trace, ERR_MRK
                        "call_host_start_payload: Failed in call to "
                        "initiateDrtm()");
                }
            }
        }
    }

#endif

    if( l_errl == NULL )
    {
        l_errl = disableSpecialWakeup();
    }

    if( l_errl == NULL )
    {
        //  - Call shutdown using payload base, and payload entry.
        //      - base/entry will be from system attributes
        //      - this will start the payload (Phyp)
        // NOTE: this call will not return if successful.
        l_errl = callShutdown(this_node, true);

    };

    if( l_errl )
    {
        TRACFCOMP( ISTEPS_TRACE::g_trac_isteps_trace,
                "istep start_payload_failed see plid 0x%x", l_errl->plid());

        // Create IStep error log and cross reference error that occurred
        l_StepError.addErrorDetails( l_errl );

        // Commit Error
        errlCommit(l_errl, ISTEP_COMP_ID);

    }

    TRACDCOMP( ISTEPS_TRACE::g_trac_isteps_trace,
            "call_host_start_payload exit" );

    // end task, returning any errorlogs to IStepDisp
    return l_StepError.getErrorHandle();
}

//
// Call shutdown
//
errlHndl_t callShutdown ( uint64_t i_masterInstance,
                          bool i_isMaster)
{
    errlHndl_t err = NULL;
    uint64_t payloadBase = 0x0;
    uint64_t payloadEntry = 0x0;
    uint64_t payloadData = 0x0;
    bool istepModeFlag = false;
    uint64_t status = SHUTDOWN_STATUS_GOOD;

    TRACDCOMP( ISTEPS_TRACE::g_trac_isteps_trace,
               ENTER_MRK"callShutdown()" );

    do
    {
        if( i_isMaster == false )
        {

            // Revert back to standard runtime mode where core checkstops
            // do not escalate to system checkstops
            // Workaround for HW286670
            TRACFCOMP( ISTEPS_TRACE::g_trac_isteps_trace,
                    "calling enableCoreCheckstops() in node");

            err = enableCoreCheckstops();

            if ( err )
            {
                break;
            }

            if(is_phyp_load())
            {
                TRACFCOMP( ISTEPS_TRACE::g_trac_isteps_trace,
                        "calling clearPoreBars() in node");

                //If PHYP then clear out the PORE BARs
                err = clearPoreBars();
                if( err )
                {
                    break;
                }
            }

        }

        // Get Target Service, and the system target.
        TargetService& tS = targetService();
        TARGETING::Target* sys = NULL;
        (void) tS.getTopLevelTarget( sys );

        if( NULL == sys )
        {
            // Error getting system target to get payload related values.  We
            // will create an error to be passed back.  This will cause the
            // istep to fail.
            TRACFCOMP( ISTEPS_TRACE::g_trac_isteps_trace,
                       ERR_MRK"System Target was NULL!" );

            /*@
             * @errortype
             * @reasoncode       RC_TARGET_NULL
             * @severity         ERRORLOG::ERRL_SEV_CRITICAL_SYS_TERM
             * @moduleid         MOD_START_PAYLOAD_CALL_SHUTDOWN
             * @userdata1        <UNUSED>
             * @userdata2        <UNUSED>
             * @devdesc          System target was NULL!
             * @custdesc         A problem occurred during the IPL
             *                   of the system.
             */
            err = new ERRORLOG::ErrlEntry( ERRORLOG::ERRL_SEV_CRITICAL_SYS_TERM,
                                           MOD_START_PAYLOAD_CALL_SHUTDOWN,
                                           RC_TARGET_NULL,
                                           0x0,
                                           0x0 );

            break;
        }

        // Get Payload base/entry from attributes
        payloadBase = sys->getAttr<TARGETING::ATTR_PAYLOAD_BASE>();
        payloadEntry = sys->getAttr<TARGETING::ATTR_PAYLOAD_ENTRY>();
        TRACDCOMP( ISTEPS_TRACE::g_trac_isteps_trace,
                   INFO_MRK"Payload Base: 0x%08x, Entry: 0x%08x",
                   payloadBase, payloadEntry );
        payloadBase = (payloadBase * MEGABYTE);
        TRACDCOMP( ISTEPS_TRACE::g_trac_isteps_trace,
                   INFO_MRK"   base: 0x%08x",
                   payloadBase );

        // Get Istep Mode flag
        istepModeFlag = sys->getAttr<ATTR_ISTEP_MODE>();
        TRACDCOMP( ISTEPS_TRACE::g_trac_isteps_trace,
                   INFO_MRK"Istep mode flag: %s",
                   ((istepModeFlag) ? "Enabled" : "Disabled") );

        // Get the Service Processor Functions
        TARGETING::SpFunctions spFuncs =
                sys->getAttr<TARGETING::ATTR_SP_FUNCTIONS>();

        if(i_isMaster)
        {
            // Notify Fsp with appropriate mailbox message.
            err = notifyFsp( istepModeFlag,
                             spFuncs );

            if( err )
            {
                break;
            }
        }

        // do the shutdown.
        TRACFCOMP( ISTEPS_TRACE::g_trac_isteps_trace,
                   "callShutdown finished, shutdown = 0x%x.",
                   status );
        INITSERVICE::doShutdown( status,
                                 false,
                                 payloadBase,
                                 payloadEntry,
                                 payloadData,
                                 i_masterInstance);

    } while( 0 );

    TRACDCOMP( ISTEPS_TRACE::g_trac_isteps_trace,
               EXIT_MRK"callShutdown()" );

    return err;
}

errlHndl_t broadcastShutdown ( uint64_t i_hbInstance )
{
    errlHndl_t err = NULL;
    TARGETING::Target * sys = NULL;
    TARGETING::targetService().getTopLevelTarget( sys );
    assert(sys != NULL);

    TARGETING::ATTR_HB_EXISTING_IMAGE_type hb_images =
        sys->getAttr<TARGETING::ATTR_HB_EXISTING_IMAGE>();

    do
    {
        // Set up the start_payload_data_area before
        // broadcasting the shutdown to the slave HB instances
        memset(&KernelIpc::start_payload_data_area,
               '\0',
               sizeof(KernelIpc::start_payload_data_area));

        KernelIpc::start_payload_data_area.node_count = 0;
        KernelIpc::start_payload_data_area.lowest_PIR = 0xfffffffffffffffful;

        // ATTR_HB_EXISTING_IMAGE only gets set on a multi-drawer system.
        // Currently set up in host_sys_fab_iovalid_processing() which only
        // gets called if there are multiple physical nodes.
        if(hb_images == 0)
        {
            // Single node system
            KernelIpc::start_payload_data_area.node_count = 1;
            break;
        }

        // continue - multi-node

        uint8_t node_map
            [sizeof(TARGETING::ATTR_FABRIC_TO_PHYSICAL_NODE_MAP_type)];

        sys->tryGetAttr<TARGETING::ATTR_FABRIC_TO_PHYSICAL_NODE_MAP>(node_map);

        uint64_t node_count = 0;

        // Count the number of hb instances before sending
        // any start_payload messages
        for(uint64_t drawer = 0; drawer < sizeof(node_map); ++drawer)
        {
            uint64_t node = node_map[drawer];

            if(node < (sizeof(TARGETING::ATTR_HB_EXISTING_IMAGE_type) * 8))
            {

                // set mask to msb
                TARGETING::ATTR_HB_EXISTING_IMAGE_type mask = 0x1 <<
                    ((sizeof(TARGETING::ATTR_HB_EXISTING_IMAGE_type) * 8) -1);

                if( 0 != ((mask >> node) & hb_images ) )
                {
                    ++node_count;
                }
            }
        }

        KernelIpc::start_payload_data_area.node_count = node_count;

        // send message to all other existing hb instances except this one.
        for(uint64_t drawer = 0; drawer < sizeof(node_map); ++drawer)
        {
            uint64_t node = node_map[drawer];

            if(node < (sizeof(TARGETING::ATTR_HB_EXISTING_IMAGE_type) * 8) &&
               node != i_hbInstance)
            {

                // set mask to msb
                TARGETING::ATTR_HB_EXISTING_IMAGE_type mask = 0x1 <<
                    ((sizeof(TARGETING::ATTR_HB_EXISTING_IMAGE_type) * 8) -1);

                if( 0 != ((mask >> node) & hb_images ) )
                {
                    TRACDCOMP( ISTEPS_TRACE::g_trac_isteps_trace,
                               "start_payload-sending msg for drawer %d",
                               drawer );
                    msg_t * msg = msg_allocate();
                    msg->type = IPC::IPC_START_PAYLOAD;
                    msg->data[0] = i_hbInstance;
                    err = MBOX::send(MBOX::HB_IPC_MSGQ, msg, node);
                    if (err)
                    {
                        TRACFCOMP( ISTEPS_TRACE::g_trac_isteps_trace, "MBOX::send failed");
                        break;
                    }
                }
            }
        }

    } while(0);

    return err;
}


errlHndl_t disableSpecialWakeup()
{
    errlHndl_t l_errl = NULL;

    TargetHandleList l_cores;
    getAllChiplets(l_cores, TYPE_CORE);
    uint32_t l_numCores = 0;

    for( const auto & l_core: l_cores )
    {
        l_numCores += 1;

        const fapi2::Target<fapi2::TARGET_TYPE_CORE>
            l_fapi2_coreTarget(l_core);

        TRACFCOMP(ISTEPS_TRACE::g_trac_isteps_trace,
            "Running p9_cpu_special_wakeup_core (DISABLE) target HUID %.8X",
            TARGETING::get_huid(l_core));

        // Disable special wakeup on core
        FAPI_INVOKE_HWP( l_errl,
                         p9_cpu_special_wakeup_core,
                         l_fapi2_coreTarget,
                         SPCWKUP_DISABLE,
                         HOST);
        if( l_errl )
        {
            TRACFCOMP(ISTEPS_TRACE::g_trac_isteps_trace,
                      "ERROR : disable p9_cpu_special_wakeup_core, "
                      "PLID=0x%x", l_errl->plid()  );

            ErrlUserDetailsTarget(l_core).addToLog( l_errl );

            break;
        }
        else
        {
            TRACDCOMP( ISTEPS_TRACE::g_trac_isteps_trace,
                    "SUCCESS: disable p9_cpu_special_wakeup_core");
        }
    }

    return l_errl;
}


/**
 * @brief Re-enables the local core checkstop function
 */
errlHndl_t enableCoreCheckstops()
{
    errlHndl_t l_errl = NULL;
    //@TODO RTC:133848
#if 0
    void* l_slwPtr = NULL;
    int mm_rc = 0;

    // for OpenPower systems, leave core checkstops as system checkstops
    if( is_sapphire_load() && (!INITSERVICE::spBaseServicesEnabled()) )
    {
        TRACFCOMP( ISTEPS_TRACE::g_trac_isteps_trace, "Leaving local core checkstops as escalating to system checkstop" );
        return NULL;
    }
    //@todo-RTC:130092 Remove this when Opal support is in place

    // loop thru all proc and find all functional ex units
    TARGETING::TargetHandleList l_procTargetList;
    getAllChips(l_procTargetList, TYPE_PROC);
    for (TargetHandleList::const_iterator l_procIter =
         l_procTargetList.begin();
         l_procIter != l_procTargetList.end();
         ++l_procIter)
    {
        const TARGETING::Target* l_pChipTarget = *l_procIter;

        //  calculate location of the SLW output buffer
        uint64_t l_physAddr =
          l_pChipTarget->getAttr<TARGETING::ATTR_SLW_IMAGE_ADDR>();
        l_slwPtr = mm_block_map(reinterpret_cast<void*>(l_physAddr),
                                HOMER_MAX_STOP_IMG_SIZE_IN_MB*MEGABYTE);
        if( l_slwPtr == NULL )
        {
            TRACFCOMP( ISTEPS_TRACE::g_trac_isteps_trace, "Error from mm_block_map : phys=%.16X", l_physAddr );
            /*@
             * @errortype
             * @reasoncode   RC_MM_MAP_ERR
             * @moduleid     MOD_ENABLE_CORE_CHECKSTOPS
             * @severity     ERRORLOG::ERRL_SEV_UNRECOVERABLE
             * @userdata1    Size of STOP IMG
             * @userdata2    Physical address
             * @devdesc      mm_block_map() returns error
             * @custdesc     A problem occurred during the IPL
             *               of the system.
             */
            l_errl =
              new ERRORLOG::ErrlEntry(
                                      ERRORLOG::ERRL_SEV_UNRECOVERABLE,
                                      ISTEP::MOD_ENABLE_CORE_CHECKSTOPS,
                                      ISTEP::RC_MM_MAP_ERR,
                                      HOMER_MAX_STOP_IMG_SIZE_IN_MB*MEGABYTE,
                                      l_physAddr);
        }

        // Get EX list under this proc
        TARGETING::TargetHandleList l_exList;
        getChildChiplets( l_exList, l_pChipTarget, TYPE_EX );

        for (TargetHandleList::const_iterator
             l_exIter = l_exList.begin();
             l_exIter != l_exList.end();
             ++l_exIter)
        {
            TARGETING::Target* l_exTarget = *l_exIter;

            // Write the runtime version of the Action1 reg
            // Core FIR Action1 Register value from Nick
            uint64_t action1_reg = 0xFEFC17F7FF9C8A09;
            size_t opsize = sizeof(uint64_t);
            l_errl = deviceWrite( l_exTarget,
                        &action1_reg,
                        opsize,
                        DEVICE_SCOM_ADDRESS(EX_CORE_FIR_ACTION1_0x10013107) );
            if( l_errl )
            {
                break;
            }

            // Need to force core checkstops to escalate to a system checkstop
            //  by telling the SLW to update the ACTION1 register when it
            //  comes out of winkle  (see HW286670)
            TARGETING::ATTR_CHIP_UNIT_type l_coreId =
              l_exTarget->getAttr<ATTR_CHIP_UNIT>();
            uint32_t l_rc = p8_pore_gen_scom_fixed( l_slwPtr,
                                           P8_SLW_MODEBUILD_IPL,
                                           EX_CORE_FIR_ACTION1_0x10013107,
                                           l_coreId,
                                           action1_reg,//ignored
                                           P8_PORE_SCOM_NOOP,
                                           P8_SCOM_SECTION_NC );
            if( l_rc )
            {
                TRACFCOMP( ISTEPS_TRACE::g_trac_isteps_trace,
                           "ERROR: ACTION1: chip=%.8X, core=0x%x,l_rc=0x%x",
                           get_huid(l_pChipTarget), l_coreId, l_rc );
                /*@
                 * @errortype
                 * @reasoncode  RC_BAD_RC
                 * @severity    ERRORLOG::ERRL_SEV_UNRECOVERABLE
                 * @moduleid    MOD_ENABLE_CORE_CHECKSTOPS
                 * @userdata1[00:31]  rc from p8_pore_gen_scom_fixed function
                 * @userdata1[32:63]  address being added to image
                 * @userdata2[00:31]  Failing Proc HUID
                 * @userdata2[32:63]  Failing Core Id
                 *
                 * @devdesc p8_pore_gen_scom_fixed returned an error when
                 *          attempting to erase a reg value in the PORE image.
                 * @custdesc         A problem occurred during the IPL
                 *                   of the system.
                 */
                l_errl = new ERRORLOG::ErrlEntry(
                                     ERRORLOG::ERRL_SEV_UNRECOVERABLE,
                                     MOD_ENABLE_CORE_CHECKSTOPS,
                                     RC_BAD_RC,
                                     TWO_UINT32_TO_UINT64(l_rc,
                                             EX_CORE_FIR_ACTION1_0x10013107),
                                     TWO_UINT32_TO_UINT64(
                                             get_huid(l_pChipTarget),
                                             l_coreId) );
                l_errl->collectTrace(FAPI_TRACE_NAME,256);
                l_errl->collectTrace(FAPI_IMP_TRACE_NAME,256);
                l_errl->collectTrace("ISTEPS_TRACE",256);
                break;
            }
        }

        mm_rc = mm_block_unmap(l_slwPtr);
        if( mm_rc )
        {
            TRACFCOMP( ISTEPS_TRACE::g_trac_isteps_trace, "Error from mm_block_unmap : rc=%d, ptr=%p", mm_rc, l_slwPtr );
            /*@
             * @errortype
             * @reasoncode   ISTEP::RC_MM_UNMAP_ERR
             * @moduleid     ISTEP::MOD_ENABLE_CORE_CHECKSTOPS
             * @severity     ERRORLOG::ERRL_SEV_UNRECOVERABLE
             * @userdata1    Return Code
             * @userdata2    Unmap address
             * @devdesc      mm_block_unmap() returns error
             * @custdesc     A problem occurred during the IPL
             *               of the system.
             */
            l_errl =
                new ERRORLOG::ErrlEntry(
                                      ERRORLOG::ERRL_SEV_UNRECOVERABLE,
                                      ISTEP::MOD_ENABLE_CORE_CHECKSTOPS,
                                      ISTEP::RC_MM_UNMAP_ERR,
                                      mm_rc,
                                      reinterpret_cast<uint64_t>
                                      (l_slwPtr));
            // Just commit error and keep going
            errlCommit( l_errl, ISTEP_COMP_ID );
        }
        l_slwPtr = NULL;

        if(l_errl)
        {
            break;
        }
    }
#endif
    return l_errl;
}

/**
 * @brief This function will clear the PORE BARs.  Needs to be done
 *      depending on payload type
 *
 * @return errlHndl_t - NULL if successful, otherwise a pointer to the error
 *      log.
 */
errlHndl_t clearPoreBars ( void )
{
    errlHndl_t l_errl = NULL;

    TRACFCOMP( ISTEPS_TRACE::g_trac_isteps_trace,
               "set PORE bars back to 0" );

    TARGETING::TargetHandleList l_procTargetList;
    getAllChips(l_procTargetList, TYPE_PROC);

    // loop thru all the cpus and reset the pore bars.
    for (TargetHandleList::const_iterator
         l_proc_iter = l_procTargetList.begin();
         l_proc_iter != l_procTargetList.end();
         ++l_proc_iter)
    {
        //  make a local copy of the CPU target
        const TARGETING::Target* l_proc_target = *l_proc_iter;

        //  trace HUID
        TRACFCOMP(ISTEPS_TRACE::g_trac_isteps_trace,
                  "target HUID %.8X", TARGETING::get_huid(l_proc_target));

        //@TODO RTC:133848 cast OUR type of target to a FAPI type of target.
#if 0
        fapi::Target l_fapi_proc_target( TARGET_TYPE_PROC_CHIP,
                                         (const_cast<TARGETING::Target*>(
                                                         l_proc_target)) );

        //  reset pore bar notes:
        //  A mem_size of 0 means to ignore the image address
        //  This image should have been moved to memory after winkle

        //  call the HWP with each fapi::Target
        FAPI_INVOKE_HWP( l_errl,
                         p8_set_pore_bar,
                         l_fapi_proc_target,
                         0,
                         0,
                         0,
                         SLW_MEMORY
                         );
#endif
        if ( l_errl )
        {
            // capture the target data in the elog
            ERRORLOG::ErrlUserDetailsTarget(l_proc_target).addToLog( l_errl );

            TRACFCOMP(ISTEPS_TRACE::g_trac_isteps_trace,
                      "ERROR : p8_set_pore_bar, PLID=0x%x",
                      l_errl->plid()  );
            break;
        }
        else
        {
            TRACFCOMP( ISTEPS_TRACE::g_trac_isteps_trace,
                       "SUCCESS : p8_set_pore_bar" );
        }

    }   // end for

    return l_errl;
}

//
// Notify the Fsp via Mailbox Message
//
errlHndl_t notifyFsp ( bool i_istepModeFlag,
                       TARGETING::SpFunctions i_spFuncs )
{
    errlHndl_t err = NULL;

    TRACDCOMP( ISTEPS_TRACE::g_trac_isteps_trace,
               ENTER_MRK"notifyFsp()" );

    do
    {
        if( i_istepModeFlag )
        {
            // Istep Mode send istep complete
            TRACFCOMP( ISTEPS_TRACE::g_trac_isteps_trace,
                       INFO_MRK"Isteps enabled, send istep complete msg" );

            err = INITSERVICE::sendIstepCompleteMsg();

            if( err )
            {
                break;
            }
        }
        else
        {
            // Non-Istep mode send SYNC_POINT_REACHED
            TRACFCOMP( ISTEPS_TRACE::g_trac_isteps_trace,
                       INFO_MRK"Isteps disabled, send SYNC_POINT_REACHED msg" );

            err = INITSERVICE::sendSyncPoint();

            if( err )
            {
                break;
            }
        }
    } while( 0 );

    TRACDCOMP( ISTEPS_TRACE::g_trac_isteps_trace,
               EXIT_MRK"notifyFsp()" );

    return err;
}


};
OpenPOWER on IntegriCloud