Merge tag 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mst/vhost
[linux-2.6-microblaze.git] / arch / powerpc / perf / power10-pmu.c
1 // SPDX-License-Identifier: GPL-2.0-or-later
2 /*
3  * Performance counter support for POWER10 processors.
4  *
5  * Copyright 2020 Madhavan Srinivasan, IBM Corporation.
6  * Copyright 2020 Athira Rajeev, IBM Corporation.
7  */
8
9 #define pr_fmt(fmt)     "power10-pmu: " fmt
10
11 #include "isa207-common.h"
12
13 /*
14  * Raw event encoding for Power10:
15  *
16  *        60        56        52        48        44        40        36        32
17  * | - - - - | - - - - | - - - - | - - - - | - - - - | - - - - | - - - - | - - - - |
18  *   | | [ ]   [ src_match ] [  src_mask ]   | [ ] [ l2l3_sel ]  [  thresh_ctl   ]
19  *   | |  |                                  |  |                         |
20  *   | |  *- IFM (Linux)                     |  |        thresh start/stop -*
21  *   | *- BHRB (Linux)                       |  src_sel
22  *   *- EBB (Linux)                          *invert_bit
23  *
24  *        28        24        20        16        12         8         4         0
25  * | - - - - | - - - - | - - - - | - - - - | - - - - | - - - - | - - - - | - - - - |
26  *   [   ] [  sample ]   [ ] [ ]   [ pmc ]   [unit ]   [ ] |  m   [    pmcxsel    ]
27  *     |        |        |    |                        |   |  |
28  *     |        |        |    |                        |   |  *- mark
29  *     |        |        |    *- L1/L2/L3 cache_sel    |   |*-radix_scope_qual
30  *     |        |        sdar_mode                     |
31  *     |        *- sampling mode for marked events     *- combine
32  *     |
33  *     *- thresh_sel
34  *
35  * Below uses IBM bit numbering.
36  *
37  * MMCR1[x:y] = unit    (PMCxUNIT)
38  * MMCR1[24]   = pmc1combine[0]
39  * MMCR1[25]   = pmc1combine[1]
40  * MMCR1[26]   = pmc2combine[0]
41  * MMCR1[27]   = pmc2combine[1]
42  * MMCR1[28]   = pmc3combine[0]
43  * MMCR1[29]   = pmc3combine[1]
44  * MMCR1[30]   = pmc4combine[0]
45  * MMCR1[31]   = pmc4combine[1]
46  *
47  * if pmc == 3 and unit == 0 and pmcxsel[0:6] == 0b0101011
48  *      MMCR1[20:27] = thresh_ctl
49  * else if pmc == 4 and unit == 0xf and pmcxsel[0:6] == 0b0101001
50  *      MMCR1[20:27] = thresh_ctl
51  * else
52  *      MMCRA[48:55] = thresh_ctl   (THRESH START/END)
53  *
54  * if thresh_sel:
55  *      MMCRA[45:47] = thresh_sel
56  *
57  * if l2l3_sel:
58  * MMCR2[56:60] = l2l3_sel[0:4]
59  *
60  * MMCR1[16] = cache_sel[0]
61  * MMCR1[17] = cache_sel[1]
62  * MMCR1[18] = radix_scope_qual
63  *
64  * if mark:
65  *      MMCRA[63]    = 1                (SAMPLE_ENABLE)
66  *      MMCRA[57:59] = sample[0:2]      (RAND_SAMP_ELIG)
67  *      MMCRA[61:62] = sample[3:4]      (RAND_SAMP_MODE)
68  *
69  * if EBB and BHRB:
70  *      MMCRA[32:33] = IFM
71  *
72  * MMCRA[SDAR_MODE]  = sdar_mode[0:1]
73  */
74
75 /*
76  * Some power10 event codes.
77  */
78 #define EVENT(_name, _code)     enum{_name = _code}
79
80 #include "power10-events-list.h"
81
82 #undef EVENT
83
84 /* MMCRA IFM bits - POWER10 */
85 #define POWER10_MMCRA_IFM1              0x0000000040000000UL
86 #define POWER10_MMCRA_IFM2              0x0000000080000000UL
87 #define POWER10_MMCRA_IFM3              0x00000000C0000000UL
88 #define POWER10_MMCRA_BHRB_MASK         0x00000000C0000000UL
89
90 extern u64 PERF_REG_EXTENDED_MASK;
91
92 /* Table of alternatives, sorted by column 0 */
93 static const unsigned int power10_event_alternatives[][MAX_ALT] = {
94         { PM_RUN_CYC_ALT,               PM_RUN_CYC },
95         { PM_RUN_INST_CMPL_ALT,         PM_RUN_INST_CMPL },
96 };
97
98 static int power10_get_alternatives(u64 event, unsigned int flags, u64 alt[])
99 {
100         int num_alt = 0;
101
102         num_alt = isa207_get_alternatives(event, alt,
103                                           ARRAY_SIZE(power10_event_alternatives), flags,
104                                           power10_event_alternatives);
105
106         return num_alt;
107 }
108
109 GENERIC_EVENT_ATTR(cpu-cycles,                  PM_RUN_CYC);
110 GENERIC_EVENT_ATTR(instructions,                PM_RUN_INST_CMPL);
111 GENERIC_EVENT_ATTR(branch-instructions,         PM_BR_CMPL);
112 GENERIC_EVENT_ATTR(branch-misses,               PM_BR_MPRED_CMPL);
113 GENERIC_EVENT_ATTR(cache-references,            PM_LD_REF_L1);
114 GENERIC_EVENT_ATTR(cache-misses,                PM_LD_MISS_L1);
115 GENERIC_EVENT_ATTR(mem-loads,                   MEM_LOADS);
116 GENERIC_EVENT_ATTR(mem-stores,                  MEM_STORES);
117 GENERIC_EVENT_ATTR(branch-instructions,         PM_BR_FIN);
118 GENERIC_EVENT_ATTR(branch-misses,               PM_MPRED_BR_FIN);
119 GENERIC_EVENT_ATTR(cache-misses,                PM_LD_DEMAND_MISS_L1_FIN);
120
121 CACHE_EVENT_ATTR(L1-dcache-load-misses,         PM_LD_MISS_L1);
122 CACHE_EVENT_ATTR(L1-dcache-loads,               PM_LD_REF_L1);
123 CACHE_EVENT_ATTR(L1-dcache-prefetches,          PM_LD_PREFETCH_CACHE_LINE_MISS);
124 CACHE_EVENT_ATTR(L1-dcache-store-misses,        PM_ST_MISS_L1);
125 CACHE_EVENT_ATTR(L1-icache-load-misses,         PM_L1_ICACHE_MISS);
126 CACHE_EVENT_ATTR(L1-icache-loads,               PM_INST_FROM_L1);
127 CACHE_EVENT_ATTR(L1-icache-prefetches,          PM_IC_PREF_REQ);
128 CACHE_EVENT_ATTR(LLC-load-misses,               PM_DATA_FROM_L3MISS);
129 CACHE_EVENT_ATTR(LLC-loads,                     PM_DATA_FROM_L3);
130 CACHE_EVENT_ATTR(LLC-prefetches,                PM_L3_PF_MISS_L3);
131 CACHE_EVENT_ATTR(LLC-store-misses,              PM_L2_ST_MISS);
132 CACHE_EVENT_ATTR(LLC-stores,                    PM_L2_ST);
133 CACHE_EVENT_ATTR(branch-load-misses,            PM_BR_MPRED_CMPL);
134 CACHE_EVENT_ATTR(branch-loads,                  PM_BR_CMPL);
135 CACHE_EVENT_ATTR(dTLB-load-misses,              PM_DTLB_MISS);
136 CACHE_EVENT_ATTR(iTLB-load-misses,              PM_ITLB_MISS);
137
138 static struct attribute *power10_events_attr_dd1[] = {
139         GENERIC_EVENT_PTR(PM_RUN_CYC),
140         GENERIC_EVENT_PTR(PM_RUN_INST_CMPL),
141         GENERIC_EVENT_PTR(PM_BR_CMPL),
142         GENERIC_EVENT_PTR(PM_BR_MPRED_CMPL),
143         GENERIC_EVENT_PTR(PM_LD_REF_L1),
144         GENERIC_EVENT_PTR(PM_LD_MISS_L1),
145         GENERIC_EVENT_PTR(MEM_LOADS),
146         GENERIC_EVENT_PTR(MEM_STORES),
147         CACHE_EVENT_PTR(PM_LD_MISS_L1),
148         CACHE_EVENT_PTR(PM_LD_REF_L1),
149         CACHE_EVENT_PTR(PM_LD_PREFETCH_CACHE_LINE_MISS),
150         CACHE_EVENT_PTR(PM_ST_MISS_L1),
151         CACHE_EVENT_PTR(PM_L1_ICACHE_MISS),
152         CACHE_EVENT_PTR(PM_INST_FROM_L1),
153         CACHE_EVENT_PTR(PM_IC_PREF_REQ),
154         CACHE_EVENT_PTR(PM_DATA_FROM_L3MISS),
155         CACHE_EVENT_PTR(PM_DATA_FROM_L3),
156         CACHE_EVENT_PTR(PM_BR_MPRED_CMPL),
157         CACHE_EVENT_PTR(PM_BR_CMPL),
158         CACHE_EVENT_PTR(PM_DTLB_MISS),
159         CACHE_EVENT_PTR(PM_ITLB_MISS),
160         NULL
161 };
162
163 static struct attribute *power10_events_attr[] = {
164         GENERIC_EVENT_PTR(PM_RUN_CYC),
165         GENERIC_EVENT_PTR(PM_RUN_INST_CMPL),
166         GENERIC_EVENT_PTR(PM_BR_FIN),
167         GENERIC_EVENT_PTR(PM_MPRED_BR_FIN),
168         GENERIC_EVENT_PTR(PM_LD_REF_L1),
169         GENERIC_EVENT_PTR(PM_LD_DEMAND_MISS_L1_FIN),
170         GENERIC_EVENT_PTR(MEM_LOADS),
171         GENERIC_EVENT_PTR(MEM_STORES),
172         CACHE_EVENT_PTR(PM_LD_MISS_L1),
173         CACHE_EVENT_PTR(PM_LD_REF_L1),
174         CACHE_EVENT_PTR(PM_LD_PREFETCH_CACHE_LINE_MISS),
175         CACHE_EVENT_PTR(PM_ST_MISS_L1),
176         CACHE_EVENT_PTR(PM_L1_ICACHE_MISS),
177         CACHE_EVENT_PTR(PM_INST_FROM_L1),
178         CACHE_EVENT_PTR(PM_IC_PREF_REQ),
179         CACHE_EVENT_PTR(PM_DATA_FROM_L3MISS),
180         CACHE_EVENT_PTR(PM_DATA_FROM_L3),
181         CACHE_EVENT_PTR(PM_L3_PF_MISS_L3),
182         CACHE_EVENT_PTR(PM_L2_ST_MISS),
183         CACHE_EVENT_PTR(PM_L2_ST),
184         CACHE_EVENT_PTR(PM_BR_MPRED_CMPL),
185         CACHE_EVENT_PTR(PM_BR_CMPL),
186         CACHE_EVENT_PTR(PM_DTLB_MISS),
187         CACHE_EVENT_PTR(PM_ITLB_MISS),
188         NULL
189 };
190
191 static struct attribute_group power10_pmu_events_group_dd1 = {
192         .name = "events",
193         .attrs = power10_events_attr_dd1,
194 };
195
196 static struct attribute_group power10_pmu_events_group = {
197         .name = "events",
198         .attrs = power10_events_attr,
199 };
200
201 PMU_FORMAT_ATTR(event,          "config:0-59");
202 PMU_FORMAT_ATTR(pmcxsel,        "config:0-7");
203 PMU_FORMAT_ATTR(mark,           "config:8");
204 PMU_FORMAT_ATTR(combine,        "config:10-11");
205 PMU_FORMAT_ATTR(unit,           "config:12-15");
206 PMU_FORMAT_ATTR(pmc,            "config:16-19");
207 PMU_FORMAT_ATTR(cache_sel,      "config:20-21");
208 PMU_FORMAT_ATTR(sdar_mode,      "config:22-23");
209 PMU_FORMAT_ATTR(sample_mode,    "config:24-28");
210 PMU_FORMAT_ATTR(thresh_sel,     "config:29-31");
211 PMU_FORMAT_ATTR(thresh_stop,    "config:32-35");
212 PMU_FORMAT_ATTR(thresh_start,   "config:36-39");
213 PMU_FORMAT_ATTR(l2l3_sel,       "config:40-44");
214 PMU_FORMAT_ATTR(src_sel,        "config:45-46");
215 PMU_FORMAT_ATTR(invert_bit,     "config:47");
216 PMU_FORMAT_ATTR(src_mask,       "config:48-53");
217 PMU_FORMAT_ATTR(src_match,      "config:54-59");
218 PMU_FORMAT_ATTR(radix_scope,    "config:9");
219
220 static struct attribute *power10_pmu_format_attr[] = {
221         &format_attr_event.attr,
222         &format_attr_pmcxsel.attr,
223         &format_attr_mark.attr,
224         &format_attr_combine.attr,
225         &format_attr_unit.attr,
226         &format_attr_pmc.attr,
227         &format_attr_cache_sel.attr,
228         &format_attr_sdar_mode.attr,
229         &format_attr_sample_mode.attr,
230         &format_attr_thresh_sel.attr,
231         &format_attr_thresh_stop.attr,
232         &format_attr_thresh_start.attr,
233         &format_attr_l2l3_sel.attr,
234         &format_attr_src_sel.attr,
235         &format_attr_invert_bit.attr,
236         &format_attr_src_mask.attr,
237         &format_attr_src_match.attr,
238         &format_attr_radix_scope.attr,
239         NULL,
240 };
241
242 static struct attribute_group power10_pmu_format_group = {
243         .name = "format",
244         .attrs = power10_pmu_format_attr,
245 };
246
247 static const struct attribute_group *power10_pmu_attr_groups_dd1[] = {
248         &power10_pmu_format_group,
249         &power10_pmu_events_group_dd1,
250         NULL,
251 };
252
253 static const struct attribute_group *power10_pmu_attr_groups[] = {
254         &power10_pmu_format_group,
255         &power10_pmu_events_group,
256         NULL,
257 };
258
259 static int power10_generic_events_dd1[] = {
260         [PERF_COUNT_HW_CPU_CYCLES] =                    PM_RUN_CYC,
261         [PERF_COUNT_HW_INSTRUCTIONS] =                  PM_RUN_INST_CMPL,
262         [PERF_COUNT_HW_BRANCH_INSTRUCTIONS] =           PM_BR_CMPL,
263         [PERF_COUNT_HW_BRANCH_MISSES] =                 PM_BR_MPRED_CMPL,
264         [PERF_COUNT_HW_CACHE_REFERENCES] =              PM_LD_REF_L1,
265         [PERF_COUNT_HW_CACHE_MISSES] =                  PM_LD_MISS_L1,
266 };
267
268 static int power10_generic_events[] = {
269         [PERF_COUNT_HW_CPU_CYCLES] =                    PM_RUN_CYC,
270         [PERF_COUNT_HW_INSTRUCTIONS] =                  PM_RUN_INST_CMPL,
271         [PERF_COUNT_HW_BRANCH_INSTRUCTIONS] =           PM_BR_FIN,
272         [PERF_COUNT_HW_BRANCH_MISSES] =                 PM_MPRED_BR_FIN,
273         [PERF_COUNT_HW_CACHE_REFERENCES] =              PM_LD_REF_L1,
274         [PERF_COUNT_HW_CACHE_MISSES] =                  PM_LD_DEMAND_MISS_L1_FIN,
275 };
276
277 static u64 power10_bhrb_filter_map(u64 branch_sample_type)
278 {
279         u64 pmu_bhrb_filter = 0;
280
281         /* BHRB and regular PMU events share the same privilege state
282          * filter configuration. BHRB is always recorded along with a
283          * regular PMU event. As the privilege state filter is handled
284          * in the basic PMC configuration of the accompanying regular
285          * PMU event, we ignore any separate BHRB specific request.
286          */
287
288         /* No branch filter requested */
289         if (branch_sample_type & PERF_SAMPLE_BRANCH_ANY)
290                 return pmu_bhrb_filter;
291
292         /* Invalid branch filter options - HW does not support */
293         if (branch_sample_type & PERF_SAMPLE_BRANCH_ANY_RETURN)
294                 return -1;
295
296         if (branch_sample_type & PERF_SAMPLE_BRANCH_IND_CALL) {
297                 pmu_bhrb_filter |= POWER10_MMCRA_IFM2;
298                 return pmu_bhrb_filter;
299         }
300
301         if (branch_sample_type & PERF_SAMPLE_BRANCH_COND) {
302                 pmu_bhrb_filter |= POWER10_MMCRA_IFM3;
303                 return pmu_bhrb_filter;
304         }
305
306         if (branch_sample_type & PERF_SAMPLE_BRANCH_CALL)
307                 return -1;
308
309         if (branch_sample_type & PERF_SAMPLE_BRANCH_ANY_CALL) {
310                 pmu_bhrb_filter |= POWER10_MMCRA_IFM1;
311                 return pmu_bhrb_filter;
312         }
313
314         /* Every thing else is unsupported */
315         return -1;
316 }
317
318 static void power10_config_bhrb(u64 pmu_bhrb_filter)
319 {
320         pmu_bhrb_filter &= POWER10_MMCRA_BHRB_MASK;
321
322         /* Enable BHRB filter in PMU */
323         mtspr(SPRN_MMCRA, (mfspr(SPRN_MMCRA) | pmu_bhrb_filter));
324 }
325
326 #define C(x)    PERF_COUNT_HW_CACHE_##x
327
328 /*
329  * Table of generalized cache-related events.
330  * 0 means not supported, -1 means nonsensical, other values
331  * are event codes.
332  */
333 static u64 power10_cache_events_dd1[C(MAX)][C(OP_MAX)][C(RESULT_MAX)] = {
334         [C(L1D)] = {
335                 [C(OP_READ)] = {
336                         [C(RESULT_ACCESS)] = PM_LD_REF_L1,
337                         [C(RESULT_MISS)] = PM_LD_MISS_L1,
338                 },
339                 [C(OP_WRITE)] = {
340                         [C(RESULT_ACCESS)] = 0,
341                         [C(RESULT_MISS)] = PM_ST_MISS_L1,
342                 },
343                 [C(OP_PREFETCH)] = {
344                         [C(RESULT_ACCESS)] = PM_LD_PREFETCH_CACHE_LINE_MISS,
345                         [C(RESULT_MISS)] = 0,
346                 },
347         },
348         [C(L1I)] = {
349                 [C(OP_READ)] = {
350                         [C(RESULT_ACCESS)] = PM_INST_FROM_L1,
351                         [C(RESULT_MISS)] = PM_L1_ICACHE_MISS,
352                 },
353                 [C(OP_WRITE)] = {
354                         [C(RESULT_ACCESS)] = PM_INST_FROM_L1MISS,
355                         [C(RESULT_MISS)] = -1,
356                 },
357                 [C(OP_PREFETCH)] = {
358                         [C(RESULT_ACCESS)] = PM_IC_PREF_REQ,
359                         [C(RESULT_MISS)] = 0,
360                 },
361         },
362         [C(LL)] = {
363                 [C(OP_READ)] = {
364                         [C(RESULT_ACCESS)] = PM_DATA_FROM_L3,
365                         [C(RESULT_MISS)] = PM_DATA_FROM_L3MISS,
366                 },
367                 [C(OP_WRITE)] = {
368                         [C(RESULT_ACCESS)] = -1,
369                         [C(RESULT_MISS)] = -1,
370                 },
371                 [C(OP_PREFETCH)] = {
372                         [C(RESULT_ACCESS)] = -1,
373                         [C(RESULT_MISS)] = 0,
374                 },
375         },
376          [C(DTLB)] = {
377                 [C(OP_READ)] = {
378                         [C(RESULT_ACCESS)] = 0,
379                         [C(RESULT_MISS)] = PM_DTLB_MISS,
380                 },
381                 [C(OP_WRITE)] = {
382                         [C(RESULT_ACCESS)] = -1,
383                         [C(RESULT_MISS)] = -1,
384                 },
385                 [C(OP_PREFETCH)] = {
386                         [C(RESULT_ACCESS)] = -1,
387                         [C(RESULT_MISS)] = -1,
388                 },
389         },
390         [C(ITLB)] = {
391                 [C(OP_READ)] = {
392                         [C(RESULT_ACCESS)] = 0,
393                         [C(RESULT_MISS)] = PM_ITLB_MISS,
394                 },
395                 [C(OP_WRITE)] = {
396                         [C(RESULT_ACCESS)] = -1,
397                         [C(RESULT_MISS)] = -1,
398                 },
399                 [C(OP_PREFETCH)] = {
400                         [C(RESULT_ACCESS)] = -1,
401                         [C(RESULT_MISS)] = -1,
402                 },
403         },
404         [C(BPU)] = {
405                 [C(OP_READ)] = {
406                         [C(RESULT_ACCESS)] = PM_BR_CMPL,
407                         [C(RESULT_MISS)] = PM_BR_MPRED_CMPL,
408                 },
409                 [C(OP_WRITE)] = {
410                         [C(RESULT_ACCESS)] = -1,
411                         [C(RESULT_MISS)] = -1,
412                 },
413                 [C(OP_PREFETCH)] = {
414                         [C(RESULT_ACCESS)] = -1,
415                         [C(RESULT_MISS)] = -1,
416                 },
417         },
418         [C(NODE)] = {
419                 [C(OP_READ)] = {
420                         [C(RESULT_ACCESS)] = -1,
421                         [C(RESULT_MISS)] = -1,
422                 },
423                 [C(OP_WRITE)] = {
424                         [C(RESULT_ACCESS)] = -1,
425                         [C(RESULT_MISS)] = -1,
426                 },
427                 [C(OP_PREFETCH)] = {
428                         [C(RESULT_ACCESS)] = -1,
429                         [C(RESULT_MISS)] = -1,
430                 },
431         },
432 };
433
434 static u64 power10_cache_events[C(MAX)][C(OP_MAX)][C(RESULT_MAX)] = {
435         [C(L1D)] = {
436                 [C(OP_READ)] = {
437                         [C(RESULT_ACCESS)] = PM_LD_REF_L1,
438                         [C(RESULT_MISS)] = PM_LD_MISS_L1,
439                 },
440                 [C(OP_WRITE)] = {
441                         [C(RESULT_ACCESS)] = 0,
442                         [C(RESULT_MISS)] = PM_ST_MISS_L1,
443                 },
444                 [C(OP_PREFETCH)] = {
445                         [C(RESULT_ACCESS)] = PM_LD_PREFETCH_CACHE_LINE_MISS,
446                         [C(RESULT_MISS)] = 0,
447                 },
448         },
449         [C(L1I)] = {
450                 [C(OP_READ)] = {
451                         [C(RESULT_ACCESS)] = PM_INST_FROM_L1,
452                         [C(RESULT_MISS)] = PM_L1_ICACHE_MISS,
453                 },
454                 [C(OP_WRITE)] = {
455                         [C(RESULT_ACCESS)] = PM_INST_FROM_L1MISS,
456                         [C(RESULT_MISS)] = -1,
457                 },
458                 [C(OP_PREFETCH)] = {
459                         [C(RESULT_ACCESS)] = PM_IC_PREF_REQ,
460                         [C(RESULT_MISS)] = 0,
461                 },
462         },
463         [C(LL)] = {
464                 [C(OP_READ)] = {
465                         [C(RESULT_ACCESS)] = PM_DATA_FROM_L3,
466                         [C(RESULT_MISS)] = PM_DATA_FROM_L3MISS,
467                 },
468                 [C(OP_WRITE)] = {
469                         [C(RESULT_ACCESS)] = PM_L2_ST,
470                         [C(RESULT_MISS)] = PM_L2_ST_MISS,
471                 },
472                 [C(OP_PREFETCH)] = {
473                         [C(RESULT_ACCESS)] = PM_L3_PF_MISS_L3,
474                         [C(RESULT_MISS)] = 0,
475                 },
476         },
477          [C(DTLB)] = {
478                 [C(OP_READ)] = {
479                         [C(RESULT_ACCESS)] = 0,
480                         [C(RESULT_MISS)] = PM_DTLB_MISS,
481                 },
482                 [C(OP_WRITE)] = {
483                         [C(RESULT_ACCESS)] = -1,
484                         [C(RESULT_MISS)] = -1,
485                 },
486                 [C(OP_PREFETCH)] = {
487                         [C(RESULT_ACCESS)] = -1,
488                         [C(RESULT_MISS)] = -1,
489                 },
490         },
491         [C(ITLB)] = {
492                 [C(OP_READ)] = {
493                         [C(RESULT_ACCESS)] = 0,
494                         [C(RESULT_MISS)] = PM_ITLB_MISS,
495                 },
496                 [C(OP_WRITE)] = {
497                         [C(RESULT_ACCESS)] = -1,
498                         [C(RESULT_MISS)] = -1,
499                 },
500                 [C(OP_PREFETCH)] = {
501                         [C(RESULT_ACCESS)] = -1,
502                         [C(RESULT_MISS)] = -1,
503                 },
504         },
505         [C(BPU)] = {
506                 [C(OP_READ)] = {
507                         [C(RESULT_ACCESS)] = PM_BR_CMPL,
508                         [C(RESULT_MISS)] = PM_BR_MPRED_CMPL,
509                 },
510                 [C(OP_WRITE)] = {
511                         [C(RESULT_ACCESS)] = -1,
512                         [C(RESULT_MISS)] = -1,
513                 },
514                 [C(OP_PREFETCH)] = {
515                         [C(RESULT_ACCESS)] = -1,
516                         [C(RESULT_MISS)] = -1,
517                 },
518         },
519         [C(NODE)] = {
520                 [C(OP_READ)] = {
521                         [C(RESULT_ACCESS)] = -1,
522                         [C(RESULT_MISS)] = -1,
523                 },
524                 [C(OP_WRITE)] = {
525                         [C(RESULT_ACCESS)] = -1,
526                         [C(RESULT_MISS)] = -1,
527                 },
528                 [C(OP_PREFETCH)] = {
529                         [C(RESULT_ACCESS)] = -1,
530                         [C(RESULT_MISS)] = -1,
531                 },
532         },
533 };
534
535 #undef C
536
537 static struct power_pmu power10_pmu = {
538         .name                   = "POWER10",
539         .n_counter              = MAX_PMU_COUNTERS,
540         .add_fields             = ISA207_ADD_FIELDS,
541         .test_adder             = ISA207_TEST_ADDER,
542         .group_constraint_mask  = CNST_CACHE_PMC4_MASK,
543         .group_constraint_val   = CNST_CACHE_PMC4_VAL,
544         .compute_mmcr           = isa207_compute_mmcr,
545         .config_bhrb            = power10_config_bhrb,
546         .bhrb_filter_map        = power10_bhrb_filter_map,
547         .get_constraint         = isa207_get_constraint,
548         .get_alternatives       = power10_get_alternatives,
549         .get_mem_data_src       = isa207_get_mem_data_src,
550         .get_mem_weight         = isa207_get_mem_weight,
551         .disable_pmc            = isa207_disable_pmc,
552         .flags                  = PPMU_HAS_SIER | PPMU_ARCH_207S |
553                                   PPMU_ARCH_31,
554         .n_generic              = ARRAY_SIZE(power10_generic_events),
555         .generic_events         = power10_generic_events,
556         .cache_events           = &power10_cache_events,
557         .attr_groups            = power10_pmu_attr_groups,
558         .bhrb_nr                = 32,
559         .capabilities           = PERF_PMU_CAP_EXTENDED_REGS,
560 };
561
562 int init_power10_pmu(void)
563 {
564         unsigned int pvr;
565         int rc;
566
567         /* Comes from cpu_specs[] */
568         if (!cur_cpu_spec->oprofile_cpu_type ||
569             strcmp(cur_cpu_spec->oprofile_cpu_type, "ppc64/power10"))
570                 return -ENODEV;
571
572         pvr = mfspr(SPRN_PVR);
573         /* Add the ppmu flag for power10 DD1 */
574         if ((PVR_CFG(pvr) == 1))
575                 power10_pmu.flags |= PPMU_P10_DD1;
576
577         /* Set the PERF_REG_EXTENDED_MASK here */
578         PERF_REG_EXTENDED_MASK = PERF_REG_PMU_MASK_31;
579
580         if ((PVR_CFG(pvr) == 1)) {
581                 power10_pmu.generic_events = power10_generic_events_dd1;
582                 power10_pmu.attr_groups = power10_pmu_attr_groups_dd1;
583                 power10_pmu.cache_events = &power10_cache_events_dd1;
584         }
585
586         rc = register_power_pmu(&power10_pmu);
587         if (rc)
588                 return rc;
589
590         /* Tell userspace that EBB is supported */
591         cur_cpu_spec->cpu_user_features2 |= PPC_FEATURE2_EBB;
592
593         return 0;
594 }