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perf/x86/intel: Add Ivy Bridge-EP uncore IRP box support
[deliverable/linux.git] / arch / x86 / kernel / cpu / perf_event_intel_uncore.c
1 #include "perf_event_intel_uncore.h"
2
3 static struct intel_uncore_type *empty_uncore[] = { NULL, };
4 static struct intel_uncore_type **msr_uncores = empty_uncore;
5 static struct intel_uncore_type **pci_uncores = empty_uncore;
6 /* pci bus to socket mapping */
7 static int pcibus_to_physid[256] = { [0 ... 255] = -1, };
8
9 static struct pci_dev *extra_pci_dev[UNCORE_SOCKET_MAX][UNCORE_EXTRA_PCI_DEV_MAX];
10
11 static DEFINE_RAW_SPINLOCK(uncore_box_lock);
12
13 /* mask of cpus that collect uncore events */
14 static cpumask_t uncore_cpu_mask;
15
16 /* constraint for the fixed counter */
17 static struct event_constraint constraint_fixed =
18 EVENT_CONSTRAINT(~0ULL, 1 << UNCORE_PMC_IDX_FIXED, ~0ULL);
19 static struct event_constraint constraint_empty =
20 EVENT_CONSTRAINT(0, 0, 0);
21
22 #define __BITS_VALUE(x, i, n) ((typeof(x))(((x) >> ((i) * (n))) & \
23 ((1ULL << (n)) - 1)))
24
25 DEFINE_UNCORE_FORMAT_ATTR(event, event, "config:0-7");
26 DEFINE_UNCORE_FORMAT_ATTR(event_ext, event, "config:0-7,21");
27 DEFINE_UNCORE_FORMAT_ATTR(umask, umask, "config:8-15");
28 DEFINE_UNCORE_FORMAT_ATTR(edge, edge, "config:18");
29 DEFINE_UNCORE_FORMAT_ATTR(tid_en, tid_en, "config:19");
30 DEFINE_UNCORE_FORMAT_ATTR(inv, inv, "config:23");
31 DEFINE_UNCORE_FORMAT_ATTR(cmask5, cmask, "config:24-28");
32 DEFINE_UNCORE_FORMAT_ATTR(cmask8, cmask, "config:24-31");
33 DEFINE_UNCORE_FORMAT_ATTR(thresh8, thresh, "config:24-31");
34 DEFINE_UNCORE_FORMAT_ATTR(thresh5, thresh, "config:24-28");
35 DEFINE_UNCORE_FORMAT_ATTR(occ_sel, occ_sel, "config:14-15");
36 DEFINE_UNCORE_FORMAT_ATTR(occ_invert, occ_invert, "config:30");
37 DEFINE_UNCORE_FORMAT_ATTR(occ_edge, occ_edge, "config:14-51");
38 DEFINE_UNCORE_FORMAT_ATTR(filter_tid, filter_tid, "config1:0-4");
39 DEFINE_UNCORE_FORMAT_ATTR(filter_link, filter_link, "config1:5-8");
40 DEFINE_UNCORE_FORMAT_ATTR(filter_nid, filter_nid, "config1:10-17");
41 DEFINE_UNCORE_FORMAT_ATTR(filter_nid2, filter_nid, "config1:32-47");
42 DEFINE_UNCORE_FORMAT_ATTR(filter_state, filter_state, "config1:18-22");
43 DEFINE_UNCORE_FORMAT_ATTR(filter_state2, filter_state, "config1:17-22");
44 DEFINE_UNCORE_FORMAT_ATTR(filter_opc, filter_opc, "config1:23-31");
45 DEFINE_UNCORE_FORMAT_ATTR(filter_opc2, filter_opc, "config1:52-60");
46 DEFINE_UNCORE_FORMAT_ATTR(filter_band0, filter_band0, "config1:0-7");
47 DEFINE_UNCORE_FORMAT_ATTR(filter_band1, filter_band1, "config1:8-15");
48 DEFINE_UNCORE_FORMAT_ATTR(filter_band2, filter_band2, "config1:16-23");
49 DEFINE_UNCORE_FORMAT_ATTR(filter_band3, filter_band3, "config1:24-31");
50 DEFINE_UNCORE_FORMAT_ATTR(match_rds, match_rds, "config1:48-51");
51 DEFINE_UNCORE_FORMAT_ATTR(match_rnid30, match_rnid30, "config1:32-35");
52 DEFINE_UNCORE_FORMAT_ATTR(match_rnid4, match_rnid4, "config1:31");
53 DEFINE_UNCORE_FORMAT_ATTR(match_dnid, match_dnid, "config1:13-17");
54 DEFINE_UNCORE_FORMAT_ATTR(match_mc, match_mc, "config1:9-12");
55 DEFINE_UNCORE_FORMAT_ATTR(match_opc, match_opc, "config1:5-8");
56 DEFINE_UNCORE_FORMAT_ATTR(match_vnw, match_vnw, "config1:3-4");
57 DEFINE_UNCORE_FORMAT_ATTR(match0, match0, "config1:0-31");
58 DEFINE_UNCORE_FORMAT_ATTR(match1, match1, "config1:32-63");
59 DEFINE_UNCORE_FORMAT_ATTR(mask_rds, mask_rds, "config2:48-51");
60 DEFINE_UNCORE_FORMAT_ATTR(mask_rnid30, mask_rnid30, "config2:32-35");
61 DEFINE_UNCORE_FORMAT_ATTR(mask_rnid4, mask_rnid4, "config2:31");
62 DEFINE_UNCORE_FORMAT_ATTR(mask_dnid, mask_dnid, "config2:13-17");
63 DEFINE_UNCORE_FORMAT_ATTR(mask_mc, mask_mc, "config2:9-12");
64 DEFINE_UNCORE_FORMAT_ATTR(mask_opc, mask_opc, "config2:5-8");
65 DEFINE_UNCORE_FORMAT_ATTR(mask_vnw, mask_vnw, "config2:3-4");
66 DEFINE_UNCORE_FORMAT_ATTR(mask0, mask0, "config2:0-31");
67 DEFINE_UNCORE_FORMAT_ATTR(mask1, mask1, "config2:32-63");
68
69 static u64 uncore_msr_read_counter(struct intel_uncore_box *box, struct perf_event *event)
70 {
71 u64 count;
72
73 rdmsrl(event->hw.event_base, count);
74
75 return count;
76 }
77
78 /*
79 * generic get constraint function for shared match/mask registers.
80 */
81 static struct event_constraint *
82 uncore_get_constraint(struct intel_uncore_box *box, struct perf_event *event)
83 {
84 struct intel_uncore_extra_reg *er;
85 struct hw_perf_event_extra *reg1 = &event->hw.extra_reg;
86 struct hw_perf_event_extra *reg2 = &event->hw.branch_reg;
87 unsigned long flags;
88 bool ok = false;
89
90 /*
91 * reg->alloc can be set due to existing state, so for fake box we
92 * need to ignore this, otherwise we might fail to allocate proper
93 * fake state for this extra reg constraint.
94 */
95 if (reg1->idx == EXTRA_REG_NONE ||
96 (!uncore_box_is_fake(box) && reg1->alloc))
97 return NULL;
98
99 er = &box->shared_regs[reg1->idx];
100 raw_spin_lock_irqsave(&er->lock, flags);
101 if (!atomic_read(&er->ref) ||
102 (er->config1 == reg1->config && er->config2 == reg2->config)) {
103 atomic_inc(&er->ref);
104 er->config1 = reg1->config;
105 er->config2 = reg2->config;
106 ok = true;
107 }
108 raw_spin_unlock_irqrestore(&er->lock, flags);
109
110 if (ok) {
111 if (!uncore_box_is_fake(box))
112 reg1->alloc = 1;
113 return NULL;
114 }
115
116 return &constraint_empty;
117 }
118
119 static void uncore_put_constraint(struct intel_uncore_box *box, struct perf_event *event)
120 {
121 struct intel_uncore_extra_reg *er;
122 struct hw_perf_event_extra *reg1 = &event->hw.extra_reg;
123
124 /*
125 * Only put constraint if extra reg was actually allocated. Also
126 * takes care of event which do not use an extra shared reg.
127 *
128 * Also, if this is a fake box we shouldn't touch any event state
129 * (reg->alloc) and we don't care about leaving inconsistent box
130 * state either since it will be thrown out.
131 */
132 if (uncore_box_is_fake(box) || !reg1->alloc)
133 return;
134
135 er = &box->shared_regs[reg1->idx];
136 atomic_dec(&er->ref);
137 reg1->alloc = 0;
138 }
139
140 static u64 uncore_shared_reg_config(struct intel_uncore_box *box, int idx)
141 {
142 struct intel_uncore_extra_reg *er;
143 unsigned long flags;
144 u64 config;
145
146 er = &box->shared_regs[idx];
147
148 raw_spin_lock_irqsave(&er->lock, flags);
149 config = er->config;
150 raw_spin_unlock_irqrestore(&er->lock, flags);
151
152 return config;
153 }
154
155 /* Sandy Bridge-EP uncore support */
156 static struct intel_uncore_type snbep_uncore_cbox;
157 static struct intel_uncore_type snbep_uncore_pcu;
158
159 static void snbep_uncore_pci_disable_box(struct intel_uncore_box *box)
160 {
161 struct pci_dev *pdev = box->pci_dev;
162 int box_ctl = uncore_pci_box_ctl(box);
163 u32 config = 0;
164
165 if (!pci_read_config_dword(pdev, box_ctl, &config)) {
166 config |= SNBEP_PMON_BOX_CTL_FRZ;
167 pci_write_config_dword(pdev, box_ctl, config);
168 }
169 }
170
171 static void snbep_uncore_pci_enable_box(struct intel_uncore_box *box)
172 {
173 struct pci_dev *pdev = box->pci_dev;
174 int box_ctl = uncore_pci_box_ctl(box);
175 u32 config = 0;
176
177 if (!pci_read_config_dword(pdev, box_ctl, &config)) {
178 config &= ~SNBEP_PMON_BOX_CTL_FRZ;
179 pci_write_config_dword(pdev, box_ctl, config);
180 }
181 }
182
183 static void snbep_uncore_pci_enable_event(struct intel_uncore_box *box, struct perf_event *event)
184 {
185 struct pci_dev *pdev = box->pci_dev;
186 struct hw_perf_event *hwc = &event->hw;
187
188 pci_write_config_dword(pdev, hwc->config_base, hwc->config | SNBEP_PMON_CTL_EN);
189 }
190
191 static void snbep_uncore_pci_disable_event(struct intel_uncore_box *box, struct perf_event *event)
192 {
193 struct pci_dev *pdev = box->pci_dev;
194 struct hw_perf_event *hwc = &event->hw;
195
196 pci_write_config_dword(pdev, hwc->config_base, hwc->config);
197 }
198
199 static u64 snbep_uncore_pci_read_counter(struct intel_uncore_box *box, struct perf_event *event)
200 {
201 struct pci_dev *pdev = box->pci_dev;
202 struct hw_perf_event *hwc = &event->hw;
203 u64 count = 0;
204
205 pci_read_config_dword(pdev, hwc->event_base, (u32 *)&count);
206 pci_read_config_dword(pdev, hwc->event_base + 4, (u32 *)&count + 1);
207
208 return count;
209 }
210
211 static void snbep_uncore_pci_init_box(struct intel_uncore_box *box)
212 {
213 struct pci_dev *pdev = box->pci_dev;
214
215 pci_write_config_dword(pdev, SNBEP_PCI_PMON_BOX_CTL, SNBEP_PMON_BOX_CTL_INT);
216 }
217
218 static void snbep_uncore_msr_disable_box(struct intel_uncore_box *box)
219 {
220 u64 config;
221 unsigned msr;
222
223 msr = uncore_msr_box_ctl(box);
224 if (msr) {
225 rdmsrl(msr, config);
226 config |= SNBEP_PMON_BOX_CTL_FRZ;
227 wrmsrl(msr, config);
228 }
229 }
230
231 static void snbep_uncore_msr_enable_box(struct intel_uncore_box *box)
232 {
233 u64 config;
234 unsigned msr;
235
236 msr = uncore_msr_box_ctl(box);
237 if (msr) {
238 rdmsrl(msr, config);
239 config &= ~SNBEP_PMON_BOX_CTL_FRZ;
240 wrmsrl(msr, config);
241 }
242 }
243
244 static void snbep_uncore_msr_enable_event(struct intel_uncore_box *box, struct perf_event *event)
245 {
246 struct hw_perf_event *hwc = &event->hw;
247 struct hw_perf_event_extra *reg1 = &hwc->extra_reg;
248
249 if (reg1->idx != EXTRA_REG_NONE)
250 wrmsrl(reg1->reg, uncore_shared_reg_config(box, 0));
251
252 wrmsrl(hwc->config_base, hwc->config | SNBEP_PMON_CTL_EN);
253 }
254
255 static void snbep_uncore_msr_disable_event(struct intel_uncore_box *box,
256 struct perf_event *event)
257 {
258 struct hw_perf_event *hwc = &event->hw;
259
260 wrmsrl(hwc->config_base, hwc->config);
261 }
262
263 static void snbep_uncore_msr_init_box(struct intel_uncore_box *box)
264 {
265 unsigned msr = uncore_msr_box_ctl(box);
266
267 if (msr)
268 wrmsrl(msr, SNBEP_PMON_BOX_CTL_INT);
269 }
270
271 static struct attribute *snbep_uncore_formats_attr[] = {
272 &format_attr_event.attr,
273 &format_attr_umask.attr,
274 &format_attr_edge.attr,
275 &format_attr_inv.attr,
276 &format_attr_thresh8.attr,
277 NULL,
278 };
279
280 static struct attribute *snbep_uncore_ubox_formats_attr[] = {
281 &format_attr_event.attr,
282 &format_attr_umask.attr,
283 &format_attr_edge.attr,
284 &format_attr_inv.attr,
285 &format_attr_thresh5.attr,
286 NULL,
287 };
288
289 static struct attribute *snbep_uncore_cbox_formats_attr[] = {
290 &format_attr_event.attr,
291 &format_attr_umask.attr,
292 &format_attr_edge.attr,
293 &format_attr_tid_en.attr,
294 &format_attr_inv.attr,
295 &format_attr_thresh8.attr,
296 &format_attr_filter_tid.attr,
297 &format_attr_filter_nid.attr,
298 &format_attr_filter_state.attr,
299 &format_attr_filter_opc.attr,
300 NULL,
301 };
302
303 static struct attribute *snbep_uncore_pcu_formats_attr[] = {
304 &format_attr_event_ext.attr,
305 &format_attr_occ_sel.attr,
306 &format_attr_edge.attr,
307 &format_attr_inv.attr,
308 &format_attr_thresh5.attr,
309 &format_attr_occ_invert.attr,
310 &format_attr_occ_edge.attr,
311 &format_attr_filter_band0.attr,
312 &format_attr_filter_band1.attr,
313 &format_attr_filter_band2.attr,
314 &format_attr_filter_band3.attr,
315 NULL,
316 };
317
318 static struct attribute *snbep_uncore_qpi_formats_attr[] = {
319 &format_attr_event_ext.attr,
320 &format_attr_umask.attr,
321 &format_attr_edge.attr,
322 &format_attr_inv.attr,
323 &format_attr_thresh8.attr,
324 &format_attr_match_rds.attr,
325 &format_attr_match_rnid30.attr,
326 &format_attr_match_rnid4.attr,
327 &format_attr_match_dnid.attr,
328 &format_attr_match_mc.attr,
329 &format_attr_match_opc.attr,
330 &format_attr_match_vnw.attr,
331 &format_attr_match0.attr,
332 &format_attr_match1.attr,
333 &format_attr_mask_rds.attr,
334 &format_attr_mask_rnid30.attr,
335 &format_attr_mask_rnid4.attr,
336 &format_attr_mask_dnid.attr,
337 &format_attr_mask_mc.attr,
338 &format_attr_mask_opc.attr,
339 &format_attr_mask_vnw.attr,
340 &format_attr_mask0.attr,
341 &format_attr_mask1.attr,
342 NULL,
343 };
344
345 static struct uncore_event_desc snbep_uncore_imc_events[] = {
346 INTEL_UNCORE_EVENT_DESC(clockticks, "event=0xff,umask=0x00"),
347 INTEL_UNCORE_EVENT_DESC(cas_count_read, "event=0x04,umask=0x03"),
348 INTEL_UNCORE_EVENT_DESC(cas_count_write, "event=0x04,umask=0x0c"),
349 { /* end: all zeroes */ },
350 };
351
352 static struct uncore_event_desc snbep_uncore_qpi_events[] = {
353 INTEL_UNCORE_EVENT_DESC(clockticks, "event=0x14"),
354 INTEL_UNCORE_EVENT_DESC(txl_flits_active, "event=0x00,umask=0x06"),
355 INTEL_UNCORE_EVENT_DESC(drs_data, "event=0x102,umask=0x08"),
356 INTEL_UNCORE_EVENT_DESC(ncb_data, "event=0x103,umask=0x04"),
357 { /* end: all zeroes */ },
358 };
359
360 static struct attribute_group snbep_uncore_format_group = {
361 .name = "format",
362 .attrs = snbep_uncore_formats_attr,
363 };
364
365 static struct attribute_group snbep_uncore_ubox_format_group = {
366 .name = "format",
367 .attrs = snbep_uncore_ubox_formats_attr,
368 };
369
370 static struct attribute_group snbep_uncore_cbox_format_group = {
371 .name = "format",
372 .attrs = snbep_uncore_cbox_formats_attr,
373 };
374
375 static struct attribute_group snbep_uncore_pcu_format_group = {
376 .name = "format",
377 .attrs = snbep_uncore_pcu_formats_attr,
378 };
379
380 static struct attribute_group snbep_uncore_qpi_format_group = {
381 .name = "format",
382 .attrs = snbep_uncore_qpi_formats_attr,
383 };
384
385 #define SNBEP_UNCORE_MSR_OPS_COMMON_INIT() \
386 .init_box = snbep_uncore_msr_init_box, \
387 .disable_box = snbep_uncore_msr_disable_box, \
388 .enable_box = snbep_uncore_msr_enable_box, \
389 .disable_event = snbep_uncore_msr_disable_event, \
390 .enable_event = snbep_uncore_msr_enable_event, \
391 .read_counter = uncore_msr_read_counter
392
393 static struct intel_uncore_ops snbep_uncore_msr_ops = {
394 SNBEP_UNCORE_MSR_OPS_COMMON_INIT(),
395 };
396
397 #define SNBEP_UNCORE_PCI_OPS_COMMON_INIT() \
398 .init_box = snbep_uncore_pci_init_box, \
399 .disable_box = snbep_uncore_pci_disable_box, \
400 .enable_box = snbep_uncore_pci_enable_box, \
401 .disable_event = snbep_uncore_pci_disable_event, \
402 .read_counter = snbep_uncore_pci_read_counter
403
404 static struct intel_uncore_ops snbep_uncore_pci_ops = {
405 SNBEP_UNCORE_PCI_OPS_COMMON_INIT(),
406 .enable_event = snbep_uncore_pci_enable_event, \
407 };
408
409 static struct event_constraint snbep_uncore_cbox_constraints[] = {
410 UNCORE_EVENT_CONSTRAINT(0x01, 0x1),
411 UNCORE_EVENT_CONSTRAINT(0x02, 0x3),
412 UNCORE_EVENT_CONSTRAINT(0x04, 0x3),
413 UNCORE_EVENT_CONSTRAINT(0x05, 0x3),
414 UNCORE_EVENT_CONSTRAINT(0x07, 0x3),
415 UNCORE_EVENT_CONSTRAINT(0x09, 0x3),
416 UNCORE_EVENT_CONSTRAINT(0x11, 0x1),
417 UNCORE_EVENT_CONSTRAINT(0x12, 0x3),
418 UNCORE_EVENT_CONSTRAINT(0x13, 0x3),
419 UNCORE_EVENT_CONSTRAINT(0x1b, 0xc),
420 UNCORE_EVENT_CONSTRAINT(0x1c, 0xc),
421 UNCORE_EVENT_CONSTRAINT(0x1d, 0xc),
422 UNCORE_EVENT_CONSTRAINT(0x1e, 0xc),
423 EVENT_CONSTRAINT_OVERLAP(0x1f, 0xe, 0xff),
424 UNCORE_EVENT_CONSTRAINT(0x21, 0x3),
425 UNCORE_EVENT_CONSTRAINT(0x23, 0x3),
426 UNCORE_EVENT_CONSTRAINT(0x31, 0x3),
427 UNCORE_EVENT_CONSTRAINT(0x32, 0x3),
428 UNCORE_EVENT_CONSTRAINT(0x33, 0x3),
429 UNCORE_EVENT_CONSTRAINT(0x34, 0x3),
430 UNCORE_EVENT_CONSTRAINT(0x35, 0x3),
431 UNCORE_EVENT_CONSTRAINT(0x36, 0x1),
432 UNCORE_EVENT_CONSTRAINT(0x37, 0x3),
433 UNCORE_EVENT_CONSTRAINT(0x38, 0x3),
434 UNCORE_EVENT_CONSTRAINT(0x39, 0x3),
435 UNCORE_EVENT_CONSTRAINT(0x3b, 0x1),
436 EVENT_CONSTRAINT_END
437 };
438
439 static struct event_constraint snbep_uncore_r2pcie_constraints[] = {
440 UNCORE_EVENT_CONSTRAINT(0x10, 0x3),
441 UNCORE_EVENT_CONSTRAINT(0x11, 0x3),
442 UNCORE_EVENT_CONSTRAINT(0x12, 0x1),
443 UNCORE_EVENT_CONSTRAINT(0x23, 0x3),
444 UNCORE_EVENT_CONSTRAINT(0x24, 0x3),
445 UNCORE_EVENT_CONSTRAINT(0x25, 0x3),
446 UNCORE_EVENT_CONSTRAINT(0x26, 0x3),
447 UNCORE_EVENT_CONSTRAINT(0x32, 0x3),
448 UNCORE_EVENT_CONSTRAINT(0x33, 0x3),
449 UNCORE_EVENT_CONSTRAINT(0x34, 0x3),
450 EVENT_CONSTRAINT_END
451 };
452
453 static struct event_constraint snbep_uncore_r3qpi_constraints[] = {
454 UNCORE_EVENT_CONSTRAINT(0x10, 0x3),
455 UNCORE_EVENT_CONSTRAINT(0x11, 0x3),
456 UNCORE_EVENT_CONSTRAINT(0x12, 0x3),
457 UNCORE_EVENT_CONSTRAINT(0x13, 0x1),
458 UNCORE_EVENT_CONSTRAINT(0x20, 0x3),
459 UNCORE_EVENT_CONSTRAINT(0x21, 0x3),
460 UNCORE_EVENT_CONSTRAINT(0x22, 0x3),
461 UNCORE_EVENT_CONSTRAINT(0x23, 0x3),
462 UNCORE_EVENT_CONSTRAINT(0x24, 0x3),
463 UNCORE_EVENT_CONSTRAINT(0x25, 0x3),
464 UNCORE_EVENT_CONSTRAINT(0x26, 0x3),
465 UNCORE_EVENT_CONSTRAINT(0x28, 0x3),
466 UNCORE_EVENT_CONSTRAINT(0x29, 0x3),
467 UNCORE_EVENT_CONSTRAINT(0x2a, 0x3),
468 UNCORE_EVENT_CONSTRAINT(0x2b, 0x3),
469 UNCORE_EVENT_CONSTRAINT(0x2c, 0x3),
470 UNCORE_EVENT_CONSTRAINT(0x2d, 0x3),
471 UNCORE_EVENT_CONSTRAINT(0x2e, 0x3),
472 UNCORE_EVENT_CONSTRAINT(0x2f, 0x3),
473 UNCORE_EVENT_CONSTRAINT(0x30, 0x3),
474 UNCORE_EVENT_CONSTRAINT(0x31, 0x3),
475 UNCORE_EVENT_CONSTRAINT(0x32, 0x3),
476 UNCORE_EVENT_CONSTRAINT(0x33, 0x3),
477 UNCORE_EVENT_CONSTRAINT(0x34, 0x3),
478 UNCORE_EVENT_CONSTRAINT(0x36, 0x3),
479 UNCORE_EVENT_CONSTRAINT(0x37, 0x3),
480 UNCORE_EVENT_CONSTRAINT(0x38, 0x3),
481 UNCORE_EVENT_CONSTRAINT(0x39, 0x3),
482 EVENT_CONSTRAINT_END
483 };
484
485 static struct intel_uncore_type snbep_uncore_ubox = {
486 .name = "ubox",
487 .num_counters = 2,
488 .num_boxes = 1,
489 .perf_ctr_bits = 44,
490 .fixed_ctr_bits = 48,
491 .perf_ctr = SNBEP_U_MSR_PMON_CTR0,
492 .event_ctl = SNBEP_U_MSR_PMON_CTL0,
493 .event_mask = SNBEP_U_MSR_PMON_RAW_EVENT_MASK,
494 .fixed_ctr = SNBEP_U_MSR_PMON_UCLK_FIXED_CTR,
495 .fixed_ctl = SNBEP_U_MSR_PMON_UCLK_FIXED_CTL,
496 .ops = &snbep_uncore_msr_ops,
497 .format_group = &snbep_uncore_ubox_format_group,
498 };
499
500 static struct extra_reg snbep_uncore_cbox_extra_regs[] = {
501 SNBEP_CBO_EVENT_EXTRA_REG(SNBEP_CBO_PMON_CTL_TID_EN,
502 SNBEP_CBO_PMON_CTL_TID_EN, 0x1),
503 SNBEP_CBO_EVENT_EXTRA_REG(0x0334, 0xffff, 0x4),
504 SNBEP_CBO_EVENT_EXTRA_REG(0x0534, 0xffff, 0x4),
505 SNBEP_CBO_EVENT_EXTRA_REG(0x0934, 0xffff, 0x4),
506 SNBEP_CBO_EVENT_EXTRA_REG(0x4134, 0xffff, 0x6),
507 SNBEP_CBO_EVENT_EXTRA_REG(0x0135, 0xffff, 0x8),
508 SNBEP_CBO_EVENT_EXTRA_REG(0x0335, 0xffff, 0x8),
509 SNBEP_CBO_EVENT_EXTRA_REG(0x4135, 0xffff, 0xc),
510 SNBEP_CBO_EVENT_EXTRA_REG(0x4335, 0xffff, 0xc),
511 SNBEP_CBO_EVENT_EXTRA_REG(0x4435, 0xffff, 0x2),
512 SNBEP_CBO_EVENT_EXTRA_REG(0x4835, 0xffff, 0x2),
513 SNBEP_CBO_EVENT_EXTRA_REG(0x4a35, 0xffff, 0x2),
514 SNBEP_CBO_EVENT_EXTRA_REG(0x5035, 0xffff, 0x2),
515 SNBEP_CBO_EVENT_EXTRA_REG(0x0136, 0xffff, 0x8),
516 SNBEP_CBO_EVENT_EXTRA_REG(0x0336, 0xffff, 0x8),
517 SNBEP_CBO_EVENT_EXTRA_REG(0x4136, 0xffff, 0xc),
518 SNBEP_CBO_EVENT_EXTRA_REG(0x4336, 0xffff, 0xc),
519 SNBEP_CBO_EVENT_EXTRA_REG(0x4436, 0xffff, 0x2),
520 SNBEP_CBO_EVENT_EXTRA_REG(0x4836, 0xffff, 0x2),
521 SNBEP_CBO_EVENT_EXTRA_REG(0x4a36, 0xffff, 0x2),
522 SNBEP_CBO_EVENT_EXTRA_REG(0x4037, 0x40ff, 0x2),
523 EVENT_EXTRA_END
524 };
525
526 static void snbep_cbox_put_constraint(struct intel_uncore_box *box, struct perf_event *event)
527 {
528 struct hw_perf_event_extra *reg1 = &event->hw.extra_reg;
529 struct intel_uncore_extra_reg *er = &box->shared_regs[0];
530 int i;
531
532 if (uncore_box_is_fake(box))
533 return;
534
535 for (i = 0; i < 5; i++) {
536 if (reg1->alloc & (0x1 << i))
537 atomic_sub(1 << (i * 6), &er->ref);
538 }
539 reg1->alloc = 0;
540 }
541
542 static struct event_constraint *
543 __snbep_cbox_get_constraint(struct intel_uncore_box *box, struct perf_event *event,
544 u64 (*cbox_filter_mask)(int fields))
545 {
546 struct hw_perf_event_extra *reg1 = &event->hw.extra_reg;
547 struct intel_uncore_extra_reg *er = &box->shared_regs[0];
548 int i, alloc = 0;
549 unsigned long flags;
550 u64 mask;
551
552 if (reg1->idx == EXTRA_REG_NONE)
553 return NULL;
554
555 raw_spin_lock_irqsave(&er->lock, flags);
556 for (i = 0; i < 5; i++) {
557 if (!(reg1->idx & (0x1 << i)))
558 continue;
559 if (!uncore_box_is_fake(box) && (reg1->alloc & (0x1 << i)))
560 continue;
561
562 mask = cbox_filter_mask(0x1 << i);
563 if (!__BITS_VALUE(atomic_read(&er->ref), i, 6) ||
564 !((reg1->config ^ er->config) & mask)) {
565 atomic_add(1 << (i * 6), &er->ref);
566 er->config &= ~mask;
567 er->config |= reg1->config & mask;
568 alloc |= (0x1 << i);
569 } else {
570 break;
571 }
572 }
573 raw_spin_unlock_irqrestore(&er->lock, flags);
574 if (i < 5)
575 goto fail;
576
577 if (!uncore_box_is_fake(box))
578 reg1->alloc |= alloc;
579
580 return NULL;
581 fail:
582 for (; i >= 0; i--) {
583 if (alloc & (0x1 << i))
584 atomic_sub(1 << (i * 6), &er->ref);
585 }
586 return &constraint_empty;
587 }
588
589 static u64 snbep_cbox_filter_mask(int fields)
590 {
591 u64 mask = 0;
592
593 if (fields & 0x1)
594 mask |= SNBEP_CB0_MSR_PMON_BOX_FILTER_TID;
595 if (fields & 0x2)
596 mask |= SNBEP_CB0_MSR_PMON_BOX_FILTER_NID;
597 if (fields & 0x4)
598 mask |= SNBEP_CB0_MSR_PMON_BOX_FILTER_STATE;
599 if (fields & 0x8)
600 mask |= SNBEP_CB0_MSR_PMON_BOX_FILTER_OPC;
601
602 return mask;
603 }
604
605 static struct event_constraint *
606 snbep_cbox_get_constraint(struct intel_uncore_box *box, struct perf_event *event)
607 {
608 return __snbep_cbox_get_constraint(box, event, snbep_cbox_filter_mask);
609 }
610
611 static int snbep_cbox_hw_config(struct intel_uncore_box *box, struct perf_event *event)
612 {
613 struct hw_perf_event_extra *reg1 = &event->hw.extra_reg;
614 struct extra_reg *er;
615 int idx = 0;
616
617 for (er = snbep_uncore_cbox_extra_regs; er->msr; er++) {
618 if (er->event != (event->hw.config & er->config_mask))
619 continue;
620 idx |= er->idx;
621 }
622
623 if (idx) {
624 reg1->reg = SNBEP_C0_MSR_PMON_BOX_FILTER +
625 SNBEP_CBO_MSR_OFFSET * box->pmu->pmu_idx;
626 reg1->config = event->attr.config1 & snbep_cbox_filter_mask(idx);
627 reg1->idx = idx;
628 }
629 return 0;
630 }
631
632 static struct intel_uncore_ops snbep_uncore_cbox_ops = {
633 SNBEP_UNCORE_MSR_OPS_COMMON_INIT(),
634 .hw_config = snbep_cbox_hw_config,
635 .get_constraint = snbep_cbox_get_constraint,
636 .put_constraint = snbep_cbox_put_constraint,
637 };
638
639 static struct intel_uncore_type snbep_uncore_cbox = {
640 .name = "cbox",
641 .num_counters = 4,
642 .num_boxes = 8,
643 .perf_ctr_bits = 44,
644 .event_ctl = SNBEP_C0_MSR_PMON_CTL0,
645 .perf_ctr = SNBEP_C0_MSR_PMON_CTR0,
646 .event_mask = SNBEP_CBO_MSR_PMON_RAW_EVENT_MASK,
647 .box_ctl = SNBEP_C0_MSR_PMON_BOX_CTL,
648 .msr_offset = SNBEP_CBO_MSR_OFFSET,
649 .num_shared_regs = 1,
650 .constraints = snbep_uncore_cbox_constraints,
651 .ops = &snbep_uncore_cbox_ops,
652 .format_group = &snbep_uncore_cbox_format_group,
653 };
654
655 static u64 snbep_pcu_alter_er(struct perf_event *event, int new_idx, bool modify)
656 {
657 struct hw_perf_event *hwc = &event->hw;
658 struct hw_perf_event_extra *reg1 = &hwc->extra_reg;
659 u64 config = reg1->config;
660
661 if (new_idx > reg1->idx)
662 config <<= 8 * (new_idx - reg1->idx);
663 else
664 config >>= 8 * (reg1->idx - new_idx);
665
666 if (modify) {
667 hwc->config += new_idx - reg1->idx;
668 reg1->config = config;
669 reg1->idx = new_idx;
670 }
671 return config;
672 }
673
674 static struct event_constraint *
675 snbep_pcu_get_constraint(struct intel_uncore_box *box, struct perf_event *event)
676 {
677 struct hw_perf_event_extra *reg1 = &event->hw.extra_reg;
678 struct intel_uncore_extra_reg *er = &box->shared_regs[0];
679 unsigned long flags;
680 int idx = reg1->idx;
681 u64 mask, config1 = reg1->config;
682 bool ok = false;
683
684 if (reg1->idx == EXTRA_REG_NONE ||
685 (!uncore_box_is_fake(box) && reg1->alloc))
686 return NULL;
687 again:
688 mask = 0xffULL << (idx * 8);
689 raw_spin_lock_irqsave(&er->lock, flags);
690 if (!__BITS_VALUE(atomic_read(&er->ref), idx, 8) ||
691 !((config1 ^ er->config) & mask)) {
692 atomic_add(1 << (idx * 8), &er->ref);
693 er->config &= ~mask;
694 er->config |= config1 & mask;
695 ok = true;
696 }
697 raw_spin_unlock_irqrestore(&er->lock, flags);
698
699 if (!ok) {
700 idx = (idx + 1) % 4;
701 if (idx != reg1->idx) {
702 config1 = snbep_pcu_alter_er(event, idx, false);
703 goto again;
704 }
705 return &constraint_empty;
706 }
707
708 if (!uncore_box_is_fake(box)) {
709 if (idx != reg1->idx)
710 snbep_pcu_alter_er(event, idx, true);
711 reg1->alloc = 1;
712 }
713 return NULL;
714 }
715
716 static void snbep_pcu_put_constraint(struct intel_uncore_box *box, struct perf_event *event)
717 {
718 struct hw_perf_event_extra *reg1 = &event->hw.extra_reg;
719 struct intel_uncore_extra_reg *er = &box->shared_regs[0];
720
721 if (uncore_box_is_fake(box) || !reg1->alloc)
722 return;
723
724 atomic_sub(1 << (reg1->idx * 8), &er->ref);
725 reg1->alloc = 0;
726 }
727
728 static int snbep_pcu_hw_config(struct intel_uncore_box *box, struct perf_event *event)
729 {
730 struct hw_perf_event *hwc = &event->hw;
731 struct hw_perf_event_extra *reg1 = &hwc->extra_reg;
732 int ev_sel = hwc->config & SNBEP_PMON_CTL_EV_SEL_MASK;
733
734 if (ev_sel >= 0xb && ev_sel <= 0xe) {
735 reg1->reg = SNBEP_PCU_MSR_PMON_BOX_FILTER;
736 reg1->idx = ev_sel - 0xb;
737 reg1->config = event->attr.config1 & (0xff << reg1->idx);
738 }
739 return 0;
740 }
741
742 static struct intel_uncore_ops snbep_uncore_pcu_ops = {
743 SNBEP_UNCORE_MSR_OPS_COMMON_INIT(),
744 .hw_config = snbep_pcu_hw_config,
745 .get_constraint = snbep_pcu_get_constraint,
746 .put_constraint = snbep_pcu_put_constraint,
747 };
748
749 static struct intel_uncore_type snbep_uncore_pcu = {
750 .name = "pcu",
751 .num_counters = 4,
752 .num_boxes = 1,
753 .perf_ctr_bits = 48,
754 .perf_ctr = SNBEP_PCU_MSR_PMON_CTR0,
755 .event_ctl = SNBEP_PCU_MSR_PMON_CTL0,
756 .event_mask = SNBEP_PCU_MSR_PMON_RAW_EVENT_MASK,
757 .box_ctl = SNBEP_PCU_MSR_PMON_BOX_CTL,
758 .num_shared_regs = 1,
759 .ops = &snbep_uncore_pcu_ops,
760 .format_group = &snbep_uncore_pcu_format_group,
761 };
762
763 static struct intel_uncore_type *snbep_msr_uncores[] = {
764 &snbep_uncore_ubox,
765 &snbep_uncore_cbox,
766 &snbep_uncore_pcu,
767 NULL,
768 };
769
770 enum {
771 SNBEP_PCI_QPI_PORT0_FILTER,
772 SNBEP_PCI_QPI_PORT1_FILTER,
773 };
774
775 static int snbep_qpi_hw_config(struct intel_uncore_box *box, struct perf_event *event)
776 {
777 struct hw_perf_event *hwc = &event->hw;
778 struct hw_perf_event_extra *reg1 = &hwc->extra_reg;
779 struct hw_perf_event_extra *reg2 = &hwc->branch_reg;
780
781 if ((hwc->config & SNBEP_PMON_CTL_EV_SEL_MASK) == 0x38) {
782 reg1->idx = 0;
783 reg1->reg = SNBEP_Q_Py_PCI_PMON_PKT_MATCH0;
784 reg1->config = event->attr.config1;
785 reg2->reg = SNBEP_Q_Py_PCI_PMON_PKT_MASK0;
786 reg2->config = event->attr.config2;
787 }
788 return 0;
789 }
790
791 static void snbep_qpi_enable_event(struct intel_uncore_box *box, struct perf_event *event)
792 {
793 struct pci_dev *pdev = box->pci_dev;
794 struct hw_perf_event *hwc = &event->hw;
795 struct hw_perf_event_extra *reg1 = &hwc->extra_reg;
796 struct hw_perf_event_extra *reg2 = &hwc->branch_reg;
797
798 if (reg1->idx != EXTRA_REG_NONE) {
799 int idx = box->pmu->pmu_idx + SNBEP_PCI_QPI_PORT0_FILTER;
800 struct pci_dev *filter_pdev = extra_pci_dev[box->phys_id][idx];
801 WARN_ON_ONCE(!filter_pdev);
802 if (filter_pdev) {
803 pci_write_config_dword(filter_pdev, reg1->reg,
804 (u32)reg1->config);
805 pci_write_config_dword(filter_pdev, reg1->reg + 4,
806 (u32)(reg1->config >> 32));
807 pci_write_config_dword(filter_pdev, reg2->reg,
808 (u32)reg2->config);
809 pci_write_config_dword(filter_pdev, reg2->reg + 4,
810 (u32)(reg2->config >> 32));
811 }
812 }
813
814 pci_write_config_dword(pdev, hwc->config_base, hwc->config | SNBEP_PMON_CTL_EN);
815 }
816
817 static struct intel_uncore_ops snbep_uncore_qpi_ops = {
818 SNBEP_UNCORE_PCI_OPS_COMMON_INIT(),
819 .enable_event = snbep_qpi_enable_event,
820 .hw_config = snbep_qpi_hw_config,
821 .get_constraint = uncore_get_constraint,
822 .put_constraint = uncore_put_constraint,
823 };
824
825 #define SNBEP_UNCORE_PCI_COMMON_INIT() \
826 .perf_ctr = SNBEP_PCI_PMON_CTR0, \
827 .event_ctl = SNBEP_PCI_PMON_CTL0, \
828 .event_mask = SNBEP_PMON_RAW_EVENT_MASK, \
829 .box_ctl = SNBEP_PCI_PMON_BOX_CTL, \
830 .ops = &snbep_uncore_pci_ops, \
831 .format_group = &snbep_uncore_format_group
832
833 static struct intel_uncore_type snbep_uncore_ha = {
834 .name = "ha",
835 .num_counters = 4,
836 .num_boxes = 1,
837 .perf_ctr_bits = 48,
838 SNBEP_UNCORE_PCI_COMMON_INIT(),
839 };
840
841 static struct intel_uncore_type snbep_uncore_imc = {
842 .name = "imc",
843 .num_counters = 4,
844 .num_boxes = 4,
845 .perf_ctr_bits = 48,
846 .fixed_ctr_bits = 48,
847 .fixed_ctr = SNBEP_MC_CHy_PCI_PMON_FIXED_CTR,
848 .fixed_ctl = SNBEP_MC_CHy_PCI_PMON_FIXED_CTL,
849 .event_descs = snbep_uncore_imc_events,
850 SNBEP_UNCORE_PCI_COMMON_INIT(),
851 };
852
853 static struct intel_uncore_type snbep_uncore_qpi = {
854 .name = "qpi",
855 .num_counters = 4,
856 .num_boxes = 2,
857 .perf_ctr_bits = 48,
858 .perf_ctr = SNBEP_PCI_PMON_CTR0,
859 .event_ctl = SNBEP_PCI_PMON_CTL0,
860 .event_mask = SNBEP_QPI_PCI_PMON_RAW_EVENT_MASK,
861 .box_ctl = SNBEP_PCI_PMON_BOX_CTL,
862 .num_shared_regs = 1,
863 .ops = &snbep_uncore_qpi_ops,
864 .event_descs = snbep_uncore_qpi_events,
865 .format_group = &snbep_uncore_qpi_format_group,
866 };
867
868
869 static struct intel_uncore_type snbep_uncore_r2pcie = {
870 .name = "r2pcie",
871 .num_counters = 4,
872 .num_boxes = 1,
873 .perf_ctr_bits = 44,
874 .constraints = snbep_uncore_r2pcie_constraints,
875 SNBEP_UNCORE_PCI_COMMON_INIT(),
876 };
877
878 static struct intel_uncore_type snbep_uncore_r3qpi = {
879 .name = "r3qpi",
880 .num_counters = 3,
881 .num_boxes = 2,
882 .perf_ctr_bits = 44,
883 .constraints = snbep_uncore_r3qpi_constraints,
884 SNBEP_UNCORE_PCI_COMMON_INIT(),
885 };
886
887 enum {
888 SNBEP_PCI_UNCORE_HA,
889 SNBEP_PCI_UNCORE_IMC,
890 SNBEP_PCI_UNCORE_QPI,
891 SNBEP_PCI_UNCORE_R2PCIE,
892 SNBEP_PCI_UNCORE_R3QPI,
893 };
894
895 static struct intel_uncore_type *snbep_pci_uncores[] = {
896 [SNBEP_PCI_UNCORE_HA] = &snbep_uncore_ha,
897 [SNBEP_PCI_UNCORE_IMC] = &snbep_uncore_imc,
898 [SNBEP_PCI_UNCORE_QPI] = &snbep_uncore_qpi,
899 [SNBEP_PCI_UNCORE_R2PCIE] = &snbep_uncore_r2pcie,
900 [SNBEP_PCI_UNCORE_R3QPI] = &snbep_uncore_r3qpi,
901 NULL,
902 };
903
904 static DEFINE_PCI_DEVICE_TABLE(snbep_uncore_pci_ids) = {
905 { /* Home Agent */
906 PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_UNC_HA),
907 .driver_data = UNCORE_PCI_DEV_DATA(SNBEP_PCI_UNCORE_HA, 0),
908 },
909 { /* MC Channel 0 */
910 PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_UNC_IMC0),
911 .driver_data = UNCORE_PCI_DEV_DATA(SNBEP_PCI_UNCORE_IMC, 0),
912 },
913 { /* MC Channel 1 */
914 PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_UNC_IMC1),
915 .driver_data = UNCORE_PCI_DEV_DATA(SNBEP_PCI_UNCORE_IMC, 1),
916 },
917 { /* MC Channel 2 */
918 PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_UNC_IMC2),
919 .driver_data = UNCORE_PCI_DEV_DATA(SNBEP_PCI_UNCORE_IMC, 2),
920 },
921 { /* MC Channel 3 */
922 PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_UNC_IMC3),
923 .driver_data = UNCORE_PCI_DEV_DATA(SNBEP_PCI_UNCORE_IMC, 3),
924 },
925 { /* QPI Port 0 */
926 PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_UNC_QPI0),
927 .driver_data = UNCORE_PCI_DEV_DATA(SNBEP_PCI_UNCORE_QPI, 0),
928 },
929 { /* QPI Port 1 */
930 PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_UNC_QPI1),
931 .driver_data = UNCORE_PCI_DEV_DATA(SNBEP_PCI_UNCORE_QPI, 1),
932 },
933 { /* R2PCIe */
934 PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_UNC_R2PCIE),
935 .driver_data = UNCORE_PCI_DEV_DATA(SNBEP_PCI_UNCORE_R2PCIE, 0),
936 },
937 { /* R3QPI Link 0 */
938 PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_UNC_R3QPI0),
939 .driver_data = UNCORE_PCI_DEV_DATA(SNBEP_PCI_UNCORE_R3QPI, 0),
940 },
941 { /* R3QPI Link 1 */
942 PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_UNC_R3QPI1),
943 .driver_data = UNCORE_PCI_DEV_DATA(SNBEP_PCI_UNCORE_R3QPI, 1),
944 },
945 { /* QPI Port 0 filter */
946 PCI_DEVICE(PCI_VENDOR_ID_INTEL, 0x3c86),
947 .driver_data = UNCORE_PCI_DEV_DATA(UNCORE_EXTRA_PCI_DEV,
948 SNBEP_PCI_QPI_PORT0_FILTER),
949 },
950 { /* QPI Port 0 filter */
951 PCI_DEVICE(PCI_VENDOR_ID_INTEL, 0x3c96),
952 .driver_data = UNCORE_PCI_DEV_DATA(UNCORE_EXTRA_PCI_DEV,
953 SNBEP_PCI_QPI_PORT1_FILTER),
954 },
955 { /* end: all zeroes */ }
956 };
957
958 static struct pci_driver snbep_uncore_pci_driver = {
959 .name = "snbep_uncore",
960 .id_table = snbep_uncore_pci_ids,
961 };
962
963 /*
964 * build pci bus to socket mapping
965 */
966 static int snbep_pci2phy_map_init(int devid)
967 {
968 struct pci_dev *ubox_dev = NULL;
969 int i, bus, nodeid;
970 int err = 0;
971 u32 config = 0;
972
973 while (1) {
974 /* find the UBOX device */
975 ubox_dev = pci_get_device(PCI_VENDOR_ID_INTEL, devid, ubox_dev);
976 if (!ubox_dev)
977 break;
978 bus = ubox_dev->bus->number;
979 /* get the Node ID of the local register */
980 err = pci_read_config_dword(ubox_dev, 0x40, &config);
981 if (err)
982 break;
983 nodeid = config;
984 /* get the Node ID mapping */
985 err = pci_read_config_dword(ubox_dev, 0x54, &config);
986 if (err)
987 break;
988 /*
989 * every three bits in the Node ID mapping register maps
990 * to a particular node.
991 */
992 for (i = 0; i < 8; i++) {
993 if (nodeid == ((config >> (3 * i)) & 0x7)) {
994 pcibus_to_physid[bus] = i;
995 break;
996 }
997 }
998 }
999
1000 if (!err) {
1001 /*
1002 * For PCI bus with no UBOX device, find the next bus
1003 * that has UBOX device and use its mapping.
1004 */
1005 i = -1;
1006 for (bus = 255; bus >= 0; bus--) {
1007 if (pcibus_to_physid[bus] >= 0)
1008 i = pcibus_to_physid[bus];
1009 else
1010 pcibus_to_physid[bus] = i;
1011 }
1012 }
1013
1014 if (ubox_dev)
1015 pci_dev_put(ubox_dev);
1016
1017 return err ? pcibios_err_to_errno(err) : 0;
1018 }
1019 /* end of Sandy Bridge-EP uncore support */
1020
1021 /* IvyTown uncore support */
1022 static void ivt_uncore_msr_init_box(struct intel_uncore_box *box)
1023 {
1024 unsigned msr = uncore_msr_box_ctl(box);
1025 if (msr)
1026 wrmsrl(msr, IVT_PMON_BOX_CTL_INT);
1027 }
1028
1029 static void ivt_uncore_pci_init_box(struct intel_uncore_box *box)
1030 {
1031 struct pci_dev *pdev = box->pci_dev;
1032
1033 pci_write_config_dword(pdev, SNBEP_PCI_PMON_BOX_CTL, IVT_PMON_BOX_CTL_INT);
1034 }
1035
1036 #define IVT_UNCORE_MSR_OPS_COMMON_INIT() \
1037 .init_box = ivt_uncore_msr_init_box, \
1038 .disable_box = snbep_uncore_msr_disable_box, \
1039 .enable_box = snbep_uncore_msr_enable_box, \
1040 .disable_event = snbep_uncore_msr_disable_event, \
1041 .enable_event = snbep_uncore_msr_enable_event, \
1042 .read_counter = uncore_msr_read_counter
1043
1044 static struct intel_uncore_ops ivt_uncore_msr_ops = {
1045 IVT_UNCORE_MSR_OPS_COMMON_INIT(),
1046 };
1047
1048 static struct intel_uncore_ops ivt_uncore_pci_ops = {
1049 .init_box = ivt_uncore_pci_init_box,
1050 .disable_box = snbep_uncore_pci_disable_box,
1051 .enable_box = snbep_uncore_pci_enable_box,
1052 .disable_event = snbep_uncore_pci_disable_event,
1053 .enable_event = snbep_uncore_pci_enable_event,
1054 .read_counter = snbep_uncore_pci_read_counter,
1055 };
1056
1057 #define IVT_UNCORE_PCI_COMMON_INIT() \
1058 .perf_ctr = SNBEP_PCI_PMON_CTR0, \
1059 .event_ctl = SNBEP_PCI_PMON_CTL0, \
1060 .event_mask = IVT_PMON_RAW_EVENT_MASK, \
1061 .box_ctl = SNBEP_PCI_PMON_BOX_CTL, \
1062 .ops = &ivt_uncore_pci_ops, \
1063 .format_group = &ivt_uncore_format_group
1064
1065 static struct attribute *ivt_uncore_formats_attr[] = {
1066 &format_attr_event.attr,
1067 &format_attr_umask.attr,
1068 &format_attr_edge.attr,
1069 &format_attr_inv.attr,
1070 &format_attr_thresh8.attr,
1071 NULL,
1072 };
1073
1074 static struct attribute *ivt_uncore_ubox_formats_attr[] = {
1075 &format_attr_event.attr,
1076 &format_attr_umask.attr,
1077 &format_attr_edge.attr,
1078 &format_attr_inv.attr,
1079 &format_attr_thresh5.attr,
1080 NULL,
1081 };
1082
1083 static struct attribute *ivt_uncore_cbox_formats_attr[] = {
1084 &format_attr_event.attr,
1085 &format_attr_umask.attr,
1086 &format_attr_edge.attr,
1087 &format_attr_tid_en.attr,
1088 &format_attr_thresh8.attr,
1089 &format_attr_filter_tid.attr,
1090 &format_attr_filter_link.attr,
1091 &format_attr_filter_state2.attr,
1092 &format_attr_filter_nid2.attr,
1093 &format_attr_filter_opc2.attr,
1094 NULL,
1095 };
1096
1097 static struct attribute *ivt_uncore_pcu_formats_attr[] = {
1098 &format_attr_event_ext.attr,
1099 &format_attr_occ_sel.attr,
1100 &format_attr_edge.attr,
1101 &format_attr_thresh5.attr,
1102 &format_attr_occ_invert.attr,
1103 &format_attr_occ_edge.attr,
1104 &format_attr_filter_band0.attr,
1105 &format_attr_filter_band1.attr,
1106 &format_attr_filter_band2.attr,
1107 &format_attr_filter_band3.attr,
1108 NULL,
1109 };
1110
1111 static struct attribute *ivt_uncore_qpi_formats_attr[] = {
1112 &format_attr_event_ext.attr,
1113 &format_attr_umask.attr,
1114 &format_attr_edge.attr,
1115 &format_attr_thresh8.attr,
1116 &format_attr_match_rds.attr,
1117 &format_attr_match_rnid30.attr,
1118 &format_attr_match_rnid4.attr,
1119 &format_attr_match_dnid.attr,
1120 &format_attr_match_mc.attr,
1121 &format_attr_match_opc.attr,
1122 &format_attr_match_vnw.attr,
1123 &format_attr_match0.attr,
1124 &format_attr_match1.attr,
1125 &format_attr_mask_rds.attr,
1126 &format_attr_mask_rnid30.attr,
1127 &format_attr_mask_rnid4.attr,
1128 &format_attr_mask_dnid.attr,
1129 &format_attr_mask_mc.attr,
1130 &format_attr_mask_opc.attr,
1131 &format_attr_mask_vnw.attr,
1132 &format_attr_mask0.attr,
1133 &format_attr_mask1.attr,
1134 NULL,
1135 };
1136
1137 static struct attribute_group ivt_uncore_format_group = {
1138 .name = "format",
1139 .attrs = ivt_uncore_formats_attr,
1140 };
1141
1142 static struct attribute_group ivt_uncore_ubox_format_group = {
1143 .name = "format",
1144 .attrs = ivt_uncore_ubox_formats_attr,
1145 };
1146
1147 static struct attribute_group ivt_uncore_cbox_format_group = {
1148 .name = "format",
1149 .attrs = ivt_uncore_cbox_formats_attr,
1150 };
1151
1152 static struct attribute_group ivt_uncore_pcu_format_group = {
1153 .name = "format",
1154 .attrs = ivt_uncore_pcu_formats_attr,
1155 };
1156
1157 static struct attribute_group ivt_uncore_qpi_format_group = {
1158 .name = "format",
1159 .attrs = ivt_uncore_qpi_formats_attr,
1160 };
1161
1162 static struct intel_uncore_type ivt_uncore_ubox = {
1163 .name = "ubox",
1164 .num_counters = 2,
1165 .num_boxes = 1,
1166 .perf_ctr_bits = 44,
1167 .fixed_ctr_bits = 48,
1168 .perf_ctr = SNBEP_U_MSR_PMON_CTR0,
1169 .event_ctl = SNBEP_U_MSR_PMON_CTL0,
1170 .event_mask = IVT_U_MSR_PMON_RAW_EVENT_MASK,
1171 .fixed_ctr = SNBEP_U_MSR_PMON_UCLK_FIXED_CTR,
1172 .fixed_ctl = SNBEP_U_MSR_PMON_UCLK_FIXED_CTL,
1173 .ops = &ivt_uncore_msr_ops,
1174 .format_group = &ivt_uncore_ubox_format_group,
1175 };
1176
1177 static struct extra_reg ivt_uncore_cbox_extra_regs[] = {
1178 SNBEP_CBO_EVENT_EXTRA_REG(SNBEP_CBO_PMON_CTL_TID_EN,
1179 SNBEP_CBO_PMON_CTL_TID_EN, 0x1),
1180 SNBEP_CBO_EVENT_EXTRA_REG(0x1031, 0x10ff, 0x2),
1181 SNBEP_CBO_EVENT_EXTRA_REG(0x0334, 0xffff, 0x4),
1182 SNBEP_CBO_EVENT_EXTRA_REG(0x0534, 0xffff, 0x4),
1183 SNBEP_CBO_EVENT_EXTRA_REG(0x0934, 0xffff, 0x4),
1184 SNBEP_CBO_EVENT_EXTRA_REG(0x4134, 0xffff, 0xc),
1185 SNBEP_CBO_EVENT_EXTRA_REG(0x0135, 0xffff, 0x10),
1186 SNBEP_CBO_EVENT_EXTRA_REG(0x0335, 0xffff, 0x10),
1187 SNBEP_CBO_EVENT_EXTRA_REG(0x2135, 0xffff, 0x10),
1188 SNBEP_CBO_EVENT_EXTRA_REG(0x2335, 0xffff, 0x10),
1189 SNBEP_CBO_EVENT_EXTRA_REG(0x4135, 0xffff, 0x18),
1190 SNBEP_CBO_EVENT_EXTRA_REG(0x4335, 0xffff, 0x18),
1191 SNBEP_CBO_EVENT_EXTRA_REG(0x4435, 0xffff, 0x8),
1192 SNBEP_CBO_EVENT_EXTRA_REG(0x4835, 0xffff, 0x8),
1193 SNBEP_CBO_EVENT_EXTRA_REG(0x4a35, 0xffff, 0x8),
1194 SNBEP_CBO_EVENT_EXTRA_REG(0x5035, 0xffff, 0x8),
1195 SNBEP_CBO_EVENT_EXTRA_REG(0x8135, 0xffff, 0x10),
1196 SNBEP_CBO_EVENT_EXTRA_REG(0x8335, 0xffff, 0x10),
1197 SNBEP_CBO_EVENT_EXTRA_REG(0x0136, 0xffff, 0x10),
1198 SNBEP_CBO_EVENT_EXTRA_REG(0x0336, 0xffff, 0x10),
1199 SNBEP_CBO_EVENT_EXTRA_REG(0x2336, 0xffff, 0x10),
1200 SNBEP_CBO_EVENT_EXTRA_REG(0x2336, 0xffff, 0x10),
1201 SNBEP_CBO_EVENT_EXTRA_REG(0x4136, 0xffff, 0x18),
1202 SNBEP_CBO_EVENT_EXTRA_REG(0x4336, 0xffff, 0x18),
1203 SNBEP_CBO_EVENT_EXTRA_REG(0x4436, 0xffff, 0x8),
1204 SNBEP_CBO_EVENT_EXTRA_REG(0x4836, 0xffff, 0x8),
1205 SNBEP_CBO_EVENT_EXTRA_REG(0x4a36, 0xffff, 0x8),
1206 SNBEP_CBO_EVENT_EXTRA_REG(0x5036, 0xffff, 0x8),
1207 SNBEP_CBO_EVENT_EXTRA_REG(0x8136, 0xffff, 0x10),
1208 SNBEP_CBO_EVENT_EXTRA_REG(0x8336, 0xffff, 0x10),
1209 SNBEP_CBO_EVENT_EXTRA_REG(0x4037, 0x40ff, 0x8),
1210 EVENT_EXTRA_END
1211 };
1212
1213 static u64 ivt_cbox_filter_mask(int fields)
1214 {
1215 u64 mask = 0;
1216
1217 if (fields & 0x1)
1218 mask |= IVT_CB0_MSR_PMON_BOX_FILTER_TID;
1219 if (fields & 0x2)
1220 mask |= IVT_CB0_MSR_PMON_BOX_FILTER_LINK;
1221 if (fields & 0x4)
1222 mask |= IVT_CB0_MSR_PMON_BOX_FILTER_STATE;
1223 if (fields & 0x8)
1224 mask |= IVT_CB0_MSR_PMON_BOX_FILTER_NID;
1225 if (fields & 0x10)
1226 mask |= IVT_CB0_MSR_PMON_BOX_FILTER_OPC;
1227
1228 return mask;
1229 }
1230
1231 static struct event_constraint *
1232 ivt_cbox_get_constraint(struct intel_uncore_box *box, struct perf_event *event)
1233 {
1234 return __snbep_cbox_get_constraint(box, event, ivt_cbox_filter_mask);
1235 }
1236
1237 static int ivt_cbox_hw_config(struct intel_uncore_box *box, struct perf_event *event)
1238 {
1239 struct hw_perf_event_extra *reg1 = &event->hw.extra_reg;
1240 struct extra_reg *er;
1241 int idx = 0;
1242
1243 for (er = ivt_uncore_cbox_extra_regs; er->msr; er++) {
1244 if (er->event != (event->hw.config & er->config_mask))
1245 continue;
1246 idx |= er->idx;
1247 }
1248
1249 if (idx) {
1250 reg1->reg = SNBEP_C0_MSR_PMON_BOX_FILTER +
1251 SNBEP_CBO_MSR_OFFSET * box->pmu->pmu_idx;
1252 reg1->config = event->attr.config1 & ivt_cbox_filter_mask(idx);
1253 reg1->idx = idx;
1254 }
1255 return 0;
1256 }
1257
1258 static void ivt_cbox_enable_event(struct intel_uncore_box *box, struct perf_event *event)
1259 {
1260 struct hw_perf_event *hwc = &event->hw;
1261 struct hw_perf_event_extra *reg1 = &hwc->extra_reg;
1262
1263 if (reg1->idx != EXTRA_REG_NONE) {
1264 u64 filter = uncore_shared_reg_config(box, 0);
1265 wrmsrl(reg1->reg, filter & 0xffffffff);
1266 wrmsrl(reg1->reg + 6, filter >> 32);
1267 }
1268
1269 wrmsrl(hwc->config_base, hwc->config | SNBEP_PMON_CTL_EN);
1270 }
1271
1272 static struct intel_uncore_ops ivt_uncore_cbox_ops = {
1273 .init_box = ivt_uncore_msr_init_box,
1274 .disable_box = snbep_uncore_msr_disable_box,
1275 .enable_box = snbep_uncore_msr_enable_box,
1276 .disable_event = snbep_uncore_msr_disable_event,
1277 .enable_event = ivt_cbox_enable_event,
1278 .read_counter = uncore_msr_read_counter,
1279 .hw_config = ivt_cbox_hw_config,
1280 .get_constraint = ivt_cbox_get_constraint,
1281 .put_constraint = snbep_cbox_put_constraint,
1282 };
1283
1284 static struct intel_uncore_type ivt_uncore_cbox = {
1285 .name = "cbox",
1286 .num_counters = 4,
1287 .num_boxes = 15,
1288 .perf_ctr_bits = 44,
1289 .event_ctl = SNBEP_C0_MSR_PMON_CTL0,
1290 .perf_ctr = SNBEP_C0_MSR_PMON_CTR0,
1291 .event_mask = IVT_CBO_MSR_PMON_RAW_EVENT_MASK,
1292 .box_ctl = SNBEP_C0_MSR_PMON_BOX_CTL,
1293 .msr_offset = SNBEP_CBO_MSR_OFFSET,
1294 .num_shared_regs = 1,
1295 .constraints = snbep_uncore_cbox_constraints,
1296 .ops = &ivt_uncore_cbox_ops,
1297 .format_group = &ivt_uncore_cbox_format_group,
1298 };
1299
1300 static struct intel_uncore_ops ivt_uncore_pcu_ops = {
1301 IVT_UNCORE_MSR_OPS_COMMON_INIT(),
1302 .hw_config = snbep_pcu_hw_config,
1303 .get_constraint = snbep_pcu_get_constraint,
1304 .put_constraint = snbep_pcu_put_constraint,
1305 };
1306
1307 static struct intel_uncore_type ivt_uncore_pcu = {
1308 .name = "pcu",
1309 .num_counters = 4,
1310 .num_boxes = 1,
1311 .perf_ctr_bits = 48,
1312 .perf_ctr = SNBEP_PCU_MSR_PMON_CTR0,
1313 .event_ctl = SNBEP_PCU_MSR_PMON_CTL0,
1314 .event_mask = IVT_PCU_MSR_PMON_RAW_EVENT_MASK,
1315 .box_ctl = SNBEP_PCU_MSR_PMON_BOX_CTL,
1316 .num_shared_regs = 1,
1317 .ops = &ivt_uncore_pcu_ops,
1318 .format_group = &ivt_uncore_pcu_format_group,
1319 };
1320
1321 static struct intel_uncore_type *ivt_msr_uncores[] = {
1322 &ivt_uncore_ubox,
1323 &ivt_uncore_cbox,
1324 &ivt_uncore_pcu,
1325 NULL,
1326 };
1327
1328 static struct intel_uncore_type ivt_uncore_ha = {
1329 .name = "ha",
1330 .num_counters = 4,
1331 .num_boxes = 2,
1332 .perf_ctr_bits = 48,
1333 IVT_UNCORE_PCI_COMMON_INIT(),
1334 };
1335
1336 static struct intel_uncore_type ivt_uncore_imc = {
1337 .name = "imc",
1338 .num_counters = 4,
1339 .num_boxes = 8,
1340 .perf_ctr_bits = 48,
1341 .fixed_ctr_bits = 48,
1342 .fixed_ctr = SNBEP_MC_CHy_PCI_PMON_FIXED_CTR,
1343 .fixed_ctl = SNBEP_MC_CHy_PCI_PMON_FIXED_CTL,
1344 IVT_UNCORE_PCI_COMMON_INIT(),
1345 };
1346
1347 /* registers in IRP boxes are not properly aligned */
1348 static unsigned ivt_uncore_irp_ctls[] = {0xd8, 0xdc, 0xe0, 0xe4};
1349 static unsigned ivt_uncore_irp_ctrs[] = {0xa0, 0xb0, 0xb8, 0xc0};
1350
1351 static void ivt_uncore_irp_enable_event(struct intel_uncore_box *box, struct perf_event *event)
1352 {
1353 struct pci_dev *pdev = box->pci_dev;
1354 struct hw_perf_event *hwc = &event->hw;
1355
1356 pci_write_config_dword(pdev, ivt_uncore_irp_ctls[hwc->idx],
1357 hwc->config | SNBEP_PMON_CTL_EN);
1358 }
1359
1360 static void ivt_uncore_irp_disable_event(struct intel_uncore_box *box, struct perf_event *event)
1361 {
1362 struct pci_dev *pdev = box->pci_dev;
1363 struct hw_perf_event *hwc = &event->hw;
1364
1365 pci_write_config_dword(pdev, ivt_uncore_irp_ctls[hwc->idx], hwc->config);
1366 }
1367
1368 static u64 ivt_uncore_irp_read_counter(struct intel_uncore_box *box, struct perf_event *event)
1369 {
1370 struct pci_dev *pdev = box->pci_dev;
1371 struct hw_perf_event *hwc = &event->hw;
1372 u64 count = 0;
1373
1374 pci_read_config_dword(pdev, ivt_uncore_irp_ctrs[hwc->idx], (u32 *)&count);
1375 pci_read_config_dword(pdev, ivt_uncore_irp_ctrs[hwc->idx] + 4, (u32 *)&count + 1);
1376
1377 return count;
1378 }
1379
1380 static struct intel_uncore_ops ivt_uncore_irp_ops = {
1381 .init_box = ivt_uncore_pci_init_box,
1382 .disable_box = snbep_uncore_pci_disable_box,
1383 .enable_box = snbep_uncore_pci_enable_box,
1384 .disable_event = ivt_uncore_irp_disable_event,
1385 .enable_event = ivt_uncore_irp_enable_event,
1386 .read_counter = ivt_uncore_irp_read_counter,
1387 };
1388
1389 static struct intel_uncore_type ivt_uncore_irp = {
1390 .name = "irp",
1391 .num_counters = 4,
1392 .num_boxes = 1,
1393 .perf_ctr_bits = 48,
1394 .event_mask = IVT_PMON_RAW_EVENT_MASK,
1395 .box_ctl = SNBEP_PCI_PMON_BOX_CTL,
1396 .ops = &ivt_uncore_irp_ops,
1397 .format_group = &ivt_uncore_format_group,
1398 };
1399
1400 static struct intel_uncore_ops ivt_uncore_qpi_ops = {
1401 .init_box = ivt_uncore_pci_init_box,
1402 .disable_box = snbep_uncore_pci_disable_box,
1403 .enable_box = snbep_uncore_pci_enable_box,
1404 .disable_event = snbep_uncore_pci_disable_event,
1405 .enable_event = snbep_qpi_enable_event,
1406 .read_counter = snbep_uncore_pci_read_counter,
1407 .hw_config = snbep_qpi_hw_config,
1408 .get_constraint = uncore_get_constraint,
1409 .put_constraint = uncore_put_constraint,
1410 };
1411
1412 static struct intel_uncore_type ivt_uncore_qpi = {
1413 .name = "qpi",
1414 .num_counters = 4,
1415 .num_boxes = 3,
1416 .perf_ctr_bits = 48,
1417 .perf_ctr = SNBEP_PCI_PMON_CTR0,
1418 .event_ctl = SNBEP_PCI_PMON_CTL0,
1419 .event_mask = IVT_QPI_PCI_PMON_RAW_EVENT_MASK,
1420 .box_ctl = SNBEP_PCI_PMON_BOX_CTL,
1421 .num_shared_regs = 1,
1422 .ops = &ivt_uncore_qpi_ops,
1423 .format_group = &ivt_uncore_qpi_format_group,
1424 };
1425
1426 static struct intel_uncore_type ivt_uncore_r2pcie = {
1427 .name = "r2pcie",
1428 .num_counters = 4,
1429 .num_boxes = 1,
1430 .perf_ctr_bits = 44,
1431 .constraints = snbep_uncore_r2pcie_constraints,
1432 IVT_UNCORE_PCI_COMMON_INIT(),
1433 };
1434
1435 static struct intel_uncore_type ivt_uncore_r3qpi = {
1436 .name = "r3qpi",
1437 .num_counters = 3,
1438 .num_boxes = 2,
1439 .perf_ctr_bits = 44,
1440 .constraints = snbep_uncore_r3qpi_constraints,
1441 IVT_UNCORE_PCI_COMMON_INIT(),
1442 };
1443
1444 enum {
1445 IVT_PCI_UNCORE_HA,
1446 IVT_PCI_UNCORE_IMC,
1447 IVT_PCI_UNCORE_IRP,
1448 IVT_PCI_UNCORE_QPI,
1449 IVT_PCI_UNCORE_R2PCIE,
1450 IVT_PCI_UNCORE_R3QPI,
1451 };
1452
1453 static struct intel_uncore_type *ivt_pci_uncores[] = {
1454 [IVT_PCI_UNCORE_HA] = &ivt_uncore_ha,
1455 [IVT_PCI_UNCORE_IMC] = &ivt_uncore_imc,
1456 [IVT_PCI_UNCORE_IRP] = &ivt_uncore_irp,
1457 [IVT_PCI_UNCORE_QPI] = &ivt_uncore_qpi,
1458 [IVT_PCI_UNCORE_R2PCIE] = &ivt_uncore_r2pcie,
1459 [IVT_PCI_UNCORE_R3QPI] = &ivt_uncore_r3qpi,
1460 NULL,
1461 };
1462
1463 static DEFINE_PCI_DEVICE_TABLE(ivt_uncore_pci_ids) = {
1464 { /* Home Agent 0 */
1465 PCI_DEVICE(PCI_VENDOR_ID_INTEL, 0xe30),
1466 .driver_data = UNCORE_PCI_DEV_DATA(IVT_PCI_UNCORE_HA, 0),
1467 },
1468 { /* Home Agent 1 */
1469 PCI_DEVICE(PCI_VENDOR_ID_INTEL, 0xe38),
1470 .driver_data = UNCORE_PCI_DEV_DATA(IVT_PCI_UNCORE_HA, 1),
1471 },
1472 { /* MC0 Channel 0 */
1473 PCI_DEVICE(PCI_VENDOR_ID_INTEL, 0xeb4),
1474 .driver_data = UNCORE_PCI_DEV_DATA(IVT_PCI_UNCORE_IMC, 0),
1475 },
1476 { /* MC0 Channel 1 */
1477 PCI_DEVICE(PCI_VENDOR_ID_INTEL, 0xeb5),
1478 .driver_data = UNCORE_PCI_DEV_DATA(IVT_PCI_UNCORE_IMC, 1),
1479 },
1480 { /* MC0 Channel 3 */
1481 PCI_DEVICE(PCI_VENDOR_ID_INTEL, 0xeb0),
1482 .driver_data = UNCORE_PCI_DEV_DATA(IVT_PCI_UNCORE_IMC, 2),
1483 },
1484 { /* MC0 Channel 4 */
1485 PCI_DEVICE(PCI_VENDOR_ID_INTEL, 0xeb1),
1486 .driver_data = UNCORE_PCI_DEV_DATA(IVT_PCI_UNCORE_IMC, 3),
1487 },
1488 { /* MC1 Channel 0 */
1489 PCI_DEVICE(PCI_VENDOR_ID_INTEL, 0xef4),
1490 .driver_data = UNCORE_PCI_DEV_DATA(IVT_PCI_UNCORE_IMC, 4),
1491 },
1492 { /* MC1 Channel 1 */
1493 PCI_DEVICE(PCI_VENDOR_ID_INTEL, 0xef5),
1494 .driver_data = UNCORE_PCI_DEV_DATA(IVT_PCI_UNCORE_IMC, 5),
1495 },
1496 { /* MC1 Channel 3 */
1497 PCI_DEVICE(PCI_VENDOR_ID_INTEL, 0xef0),
1498 .driver_data = UNCORE_PCI_DEV_DATA(IVT_PCI_UNCORE_IMC, 6),
1499 },
1500 { /* MC1 Channel 4 */
1501 PCI_DEVICE(PCI_VENDOR_ID_INTEL, 0xef1),
1502 .driver_data = UNCORE_PCI_DEV_DATA(IVT_PCI_UNCORE_IMC, 7),
1503 },
1504 { /* IRP */
1505 PCI_DEVICE(PCI_VENDOR_ID_INTEL, 0xe39),
1506 .driver_data = UNCORE_PCI_DEV_DATA(IVT_PCI_UNCORE_IRP, 0),
1507 },
1508 { /* QPI0 Port 0 */
1509 PCI_DEVICE(PCI_VENDOR_ID_INTEL, 0xe32),
1510 .driver_data = UNCORE_PCI_DEV_DATA(IVT_PCI_UNCORE_QPI, 0),
1511 },
1512 { /* QPI0 Port 1 */
1513 PCI_DEVICE(PCI_VENDOR_ID_INTEL, 0xe33),
1514 .driver_data = UNCORE_PCI_DEV_DATA(IVT_PCI_UNCORE_QPI, 1),
1515 },
1516 { /* QPI1 Port 2 */
1517 PCI_DEVICE(PCI_VENDOR_ID_INTEL, 0xe3a),
1518 .driver_data = UNCORE_PCI_DEV_DATA(IVT_PCI_UNCORE_QPI, 2),
1519 },
1520 { /* R2PCIe */
1521 PCI_DEVICE(PCI_VENDOR_ID_INTEL, 0xe34),
1522 .driver_data = UNCORE_PCI_DEV_DATA(IVT_PCI_UNCORE_R2PCIE, 0),
1523 },
1524 { /* R3QPI0 Link 0 */
1525 PCI_DEVICE(PCI_VENDOR_ID_INTEL, 0xe36),
1526 .driver_data = UNCORE_PCI_DEV_DATA(IVT_PCI_UNCORE_R3QPI, 0),
1527 },
1528 { /* R3QPI0 Link 1 */
1529 PCI_DEVICE(PCI_VENDOR_ID_INTEL, 0xe37),
1530 .driver_data = UNCORE_PCI_DEV_DATA(IVT_PCI_UNCORE_R3QPI, 1),
1531 },
1532 { /* R3QPI1 Link 2 */
1533 PCI_DEVICE(PCI_VENDOR_ID_INTEL, 0xe3e),
1534 .driver_data = UNCORE_PCI_DEV_DATA(IVT_PCI_UNCORE_R3QPI, 2),
1535 },
1536 { /* QPI Port 0 filter */
1537 PCI_DEVICE(PCI_VENDOR_ID_INTEL, 0xe86),
1538 .driver_data = UNCORE_PCI_DEV_DATA(UNCORE_EXTRA_PCI_DEV,
1539 SNBEP_PCI_QPI_PORT0_FILTER),
1540 },
1541 { /* QPI Port 0 filter */
1542 PCI_DEVICE(PCI_VENDOR_ID_INTEL, 0xe96),
1543 .driver_data = UNCORE_PCI_DEV_DATA(UNCORE_EXTRA_PCI_DEV,
1544 SNBEP_PCI_QPI_PORT1_FILTER),
1545 },
1546 { /* end: all zeroes */ }
1547 };
1548
1549 static struct pci_driver ivt_uncore_pci_driver = {
1550 .name = "ivt_uncore",
1551 .id_table = ivt_uncore_pci_ids,
1552 };
1553 /* end of IvyTown uncore support */
1554
1555 /* Sandy Bridge uncore support */
1556 static void snb_uncore_msr_enable_event(struct intel_uncore_box *box, struct perf_event *event)
1557 {
1558 struct hw_perf_event *hwc = &event->hw;
1559
1560 if (hwc->idx < UNCORE_PMC_IDX_FIXED)
1561 wrmsrl(hwc->config_base, hwc->config | SNB_UNC_CTL_EN);
1562 else
1563 wrmsrl(hwc->config_base, SNB_UNC_CTL_EN);
1564 }
1565
1566 static void snb_uncore_msr_disable_event(struct intel_uncore_box *box, struct perf_event *event)
1567 {
1568 wrmsrl(event->hw.config_base, 0);
1569 }
1570
1571 static void snb_uncore_msr_init_box(struct intel_uncore_box *box)
1572 {
1573 if (box->pmu->pmu_idx == 0) {
1574 wrmsrl(SNB_UNC_PERF_GLOBAL_CTL,
1575 SNB_UNC_GLOBAL_CTL_EN | SNB_UNC_GLOBAL_CTL_CORE_ALL);
1576 }
1577 }
1578
1579 static struct uncore_event_desc snb_uncore_events[] = {
1580 INTEL_UNCORE_EVENT_DESC(clockticks, "event=0xff,umask=0x00"),
1581 { /* end: all zeroes */ },
1582 };
1583
1584 static struct attribute *snb_uncore_formats_attr[] = {
1585 &format_attr_event.attr,
1586 &format_attr_umask.attr,
1587 &format_attr_edge.attr,
1588 &format_attr_inv.attr,
1589 &format_attr_cmask5.attr,
1590 NULL,
1591 };
1592
1593 static struct attribute_group snb_uncore_format_group = {
1594 .name = "format",
1595 .attrs = snb_uncore_formats_attr,
1596 };
1597
1598 static struct intel_uncore_ops snb_uncore_msr_ops = {
1599 .init_box = snb_uncore_msr_init_box,
1600 .disable_event = snb_uncore_msr_disable_event,
1601 .enable_event = snb_uncore_msr_enable_event,
1602 .read_counter = uncore_msr_read_counter,
1603 };
1604
1605 static struct event_constraint snb_uncore_cbox_constraints[] = {
1606 UNCORE_EVENT_CONSTRAINT(0x80, 0x1),
1607 UNCORE_EVENT_CONSTRAINT(0x83, 0x1),
1608 EVENT_CONSTRAINT_END
1609 };
1610
1611 static struct intel_uncore_type snb_uncore_cbox = {
1612 .name = "cbox",
1613 .num_counters = 2,
1614 .num_boxes = 4,
1615 .perf_ctr_bits = 44,
1616 .fixed_ctr_bits = 48,
1617 .perf_ctr = SNB_UNC_CBO_0_PER_CTR0,
1618 .event_ctl = SNB_UNC_CBO_0_PERFEVTSEL0,
1619 .fixed_ctr = SNB_UNC_FIXED_CTR,
1620 .fixed_ctl = SNB_UNC_FIXED_CTR_CTRL,
1621 .single_fixed = 1,
1622 .event_mask = SNB_UNC_RAW_EVENT_MASK,
1623 .msr_offset = SNB_UNC_CBO_MSR_OFFSET,
1624 .constraints = snb_uncore_cbox_constraints,
1625 .ops = &snb_uncore_msr_ops,
1626 .format_group = &snb_uncore_format_group,
1627 .event_descs = snb_uncore_events,
1628 };
1629
1630 static struct intel_uncore_type *snb_msr_uncores[] = {
1631 &snb_uncore_cbox,
1632 NULL,
1633 };
1634 /* end of Sandy Bridge uncore support */
1635
1636 /* Nehalem uncore support */
1637 static void nhm_uncore_msr_disable_box(struct intel_uncore_box *box)
1638 {
1639 wrmsrl(NHM_UNC_PERF_GLOBAL_CTL, 0);
1640 }
1641
1642 static void nhm_uncore_msr_enable_box(struct intel_uncore_box *box)
1643 {
1644 wrmsrl(NHM_UNC_PERF_GLOBAL_CTL, NHM_UNC_GLOBAL_CTL_EN_PC_ALL | NHM_UNC_GLOBAL_CTL_EN_FC);
1645 }
1646
1647 static void nhm_uncore_msr_enable_event(struct intel_uncore_box *box, struct perf_event *event)
1648 {
1649 struct hw_perf_event *hwc = &event->hw;
1650
1651 if (hwc->idx < UNCORE_PMC_IDX_FIXED)
1652 wrmsrl(hwc->config_base, hwc->config | SNB_UNC_CTL_EN);
1653 else
1654 wrmsrl(hwc->config_base, NHM_UNC_FIXED_CTR_CTL_EN);
1655 }
1656
1657 static struct attribute *nhm_uncore_formats_attr[] = {
1658 &format_attr_event.attr,
1659 &format_attr_umask.attr,
1660 &format_attr_edge.attr,
1661 &format_attr_inv.attr,
1662 &format_attr_cmask8.attr,
1663 NULL,
1664 };
1665
1666 static struct attribute_group nhm_uncore_format_group = {
1667 .name = "format",
1668 .attrs = nhm_uncore_formats_attr,
1669 };
1670
1671 static struct uncore_event_desc nhm_uncore_events[] = {
1672 INTEL_UNCORE_EVENT_DESC(clockticks, "event=0xff,umask=0x00"),
1673 INTEL_UNCORE_EVENT_DESC(qmc_writes_full_any, "event=0x2f,umask=0x0f"),
1674 INTEL_UNCORE_EVENT_DESC(qmc_normal_reads_any, "event=0x2c,umask=0x0f"),
1675 INTEL_UNCORE_EVENT_DESC(qhl_request_ioh_reads, "event=0x20,umask=0x01"),
1676 INTEL_UNCORE_EVENT_DESC(qhl_request_ioh_writes, "event=0x20,umask=0x02"),
1677 INTEL_UNCORE_EVENT_DESC(qhl_request_remote_reads, "event=0x20,umask=0x04"),
1678 INTEL_UNCORE_EVENT_DESC(qhl_request_remote_writes, "event=0x20,umask=0x08"),
1679 INTEL_UNCORE_EVENT_DESC(qhl_request_local_reads, "event=0x20,umask=0x10"),
1680 INTEL_UNCORE_EVENT_DESC(qhl_request_local_writes, "event=0x20,umask=0x20"),
1681 { /* end: all zeroes */ },
1682 };
1683
1684 static struct intel_uncore_ops nhm_uncore_msr_ops = {
1685 .disable_box = nhm_uncore_msr_disable_box,
1686 .enable_box = nhm_uncore_msr_enable_box,
1687 .disable_event = snb_uncore_msr_disable_event,
1688 .enable_event = nhm_uncore_msr_enable_event,
1689 .read_counter = uncore_msr_read_counter,
1690 };
1691
1692 static struct intel_uncore_type nhm_uncore = {
1693 .name = "",
1694 .num_counters = 8,
1695 .num_boxes = 1,
1696 .perf_ctr_bits = 48,
1697 .fixed_ctr_bits = 48,
1698 .event_ctl = NHM_UNC_PERFEVTSEL0,
1699 .perf_ctr = NHM_UNC_UNCORE_PMC0,
1700 .fixed_ctr = NHM_UNC_FIXED_CTR,
1701 .fixed_ctl = NHM_UNC_FIXED_CTR_CTRL,
1702 .event_mask = NHM_UNC_RAW_EVENT_MASK,
1703 .event_descs = nhm_uncore_events,
1704 .ops = &nhm_uncore_msr_ops,
1705 .format_group = &nhm_uncore_format_group,
1706 };
1707
1708 static struct intel_uncore_type *nhm_msr_uncores[] = {
1709 &nhm_uncore,
1710 NULL,
1711 };
1712 /* end of Nehalem uncore support */
1713
1714 /* Nehalem-EX uncore support */
1715 DEFINE_UNCORE_FORMAT_ATTR(event5, event, "config:1-5");
1716 DEFINE_UNCORE_FORMAT_ATTR(counter, counter, "config:6-7");
1717 DEFINE_UNCORE_FORMAT_ATTR(match, match, "config1:0-63");
1718 DEFINE_UNCORE_FORMAT_ATTR(mask, mask, "config2:0-63");
1719
1720 static void nhmex_uncore_msr_init_box(struct intel_uncore_box *box)
1721 {
1722 wrmsrl(NHMEX_U_MSR_PMON_GLOBAL_CTL, NHMEX_U_PMON_GLOBAL_EN_ALL);
1723 }
1724
1725 static void nhmex_uncore_msr_disable_box(struct intel_uncore_box *box)
1726 {
1727 unsigned msr = uncore_msr_box_ctl(box);
1728 u64 config;
1729
1730 if (msr) {
1731 rdmsrl(msr, config);
1732 config &= ~((1ULL << uncore_num_counters(box)) - 1);
1733 /* WBox has a fixed counter */
1734 if (uncore_msr_fixed_ctl(box))
1735 config &= ~NHMEX_W_PMON_GLOBAL_FIXED_EN;
1736 wrmsrl(msr, config);
1737 }
1738 }
1739
1740 static void nhmex_uncore_msr_enable_box(struct intel_uncore_box *box)
1741 {
1742 unsigned msr = uncore_msr_box_ctl(box);
1743 u64 config;
1744
1745 if (msr) {
1746 rdmsrl(msr, config);
1747 config |= (1ULL << uncore_num_counters(box)) - 1;
1748 /* WBox has a fixed counter */
1749 if (uncore_msr_fixed_ctl(box))
1750 config |= NHMEX_W_PMON_GLOBAL_FIXED_EN;
1751 wrmsrl(msr, config);
1752 }
1753 }
1754
1755 static void nhmex_uncore_msr_disable_event(struct intel_uncore_box *box, struct perf_event *event)
1756 {
1757 wrmsrl(event->hw.config_base, 0);
1758 }
1759
1760 static void nhmex_uncore_msr_enable_event(struct intel_uncore_box *box, struct perf_event *event)
1761 {
1762 struct hw_perf_event *hwc = &event->hw;
1763
1764 if (hwc->idx >= UNCORE_PMC_IDX_FIXED)
1765 wrmsrl(hwc->config_base, NHMEX_PMON_CTL_EN_BIT0);
1766 else if (box->pmu->type->event_mask & NHMEX_PMON_CTL_EN_BIT0)
1767 wrmsrl(hwc->config_base, hwc->config | NHMEX_PMON_CTL_EN_BIT22);
1768 else
1769 wrmsrl(hwc->config_base, hwc->config | NHMEX_PMON_CTL_EN_BIT0);
1770 }
1771
1772 #define NHMEX_UNCORE_OPS_COMMON_INIT() \
1773 .init_box = nhmex_uncore_msr_init_box, \
1774 .disable_box = nhmex_uncore_msr_disable_box, \
1775 .enable_box = nhmex_uncore_msr_enable_box, \
1776 .disable_event = nhmex_uncore_msr_disable_event, \
1777 .read_counter = uncore_msr_read_counter
1778
1779 static struct intel_uncore_ops nhmex_uncore_ops = {
1780 NHMEX_UNCORE_OPS_COMMON_INIT(),
1781 .enable_event = nhmex_uncore_msr_enable_event,
1782 };
1783
1784 static struct attribute *nhmex_uncore_ubox_formats_attr[] = {
1785 &format_attr_event.attr,
1786 &format_attr_edge.attr,
1787 NULL,
1788 };
1789
1790 static struct attribute_group nhmex_uncore_ubox_format_group = {
1791 .name = "format",
1792 .attrs = nhmex_uncore_ubox_formats_attr,
1793 };
1794
1795 static struct intel_uncore_type nhmex_uncore_ubox = {
1796 .name = "ubox",
1797 .num_counters = 1,
1798 .num_boxes = 1,
1799 .perf_ctr_bits = 48,
1800 .event_ctl = NHMEX_U_MSR_PMON_EV_SEL,
1801 .perf_ctr = NHMEX_U_MSR_PMON_CTR,
1802 .event_mask = NHMEX_U_PMON_RAW_EVENT_MASK,
1803 .box_ctl = NHMEX_U_MSR_PMON_GLOBAL_CTL,
1804 .ops = &nhmex_uncore_ops,
1805 .format_group = &nhmex_uncore_ubox_format_group
1806 };
1807
1808 static struct attribute *nhmex_uncore_cbox_formats_attr[] = {
1809 &format_attr_event.attr,
1810 &format_attr_umask.attr,
1811 &format_attr_edge.attr,
1812 &format_attr_inv.attr,
1813 &format_attr_thresh8.attr,
1814 NULL,
1815 };
1816
1817 static struct attribute_group nhmex_uncore_cbox_format_group = {
1818 .name = "format",
1819 .attrs = nhmex_uncore_cbox_formats_attr,
1820 };
1821
1822 /* msr offset for each instance of cbox */
1823 static unsigned nhmex_cbox_msr_offsets[] = {
1824 0x0, 0x80, 0x40, 0xc0, 0x20, 0xa0, 0x60, 0xe0, 0x240, 0x2c0,
1825 };
1826
1827 static struct intel_uncore_type nhmex_uncore_cbox = {
1828 .name = "cbox",
1829 .num_counters = 6,
1830 .num_boxes = 10,
1831 .perf_ctr_bits = 48,
1832 .event_ctl = NHMEX_C0_MSR_PMON_EV_SEL0,
1833 .perf_ctr = NHMEX_C0_MSR_PMON_CTR0,
1834 .event_mask = NHMEX_PMON_RAW_EVENT_MASK,
1835 .box_ctl = NHMEX_C0_MSR_PMON_GLOBAL_CTL,
1836 .msr_offsets = nhmex_cbox_msr_offsets,
1837 .pair_ctr_ctl = 1,
1838 .ops = &nhmex_uncore_ops,
1839 .format_group = &nhmex_uncore_cbox_format_group
1840 };
1841
1842 static struct uncore_event_desc nhmex_uncore_wbox_events[] = {
1843 INTEL_UNCORE_EVENT_DESC(clockticks, "event=0xff,umask=0"),
1844 { /* end: all zeroes */ },
1845 };
1846
1847 static struct intel_uncore_type nhmex_uncore_wbox = {
1848 .name = "wbox",
1849 .num_counters = 4,
1850 .num_boxes = 1,
1851 .perf_ctr_bits = 48,
1852 .event_ctl = NHMEX_W_MSR_PMON_CNT0,
1853 .perf_ctr = NHMEX_W_MSR_PMON_EVT_SEL0,
1854 .fixed_ctr = NHMEX_W_MSR_PMON_FIXED_CTR,
1855 .fixed_ctl = NHMEX_W_MSR_PMON_FIXED_CTL,
1856 .event_mask = NHMEX_PMON_RAW_EVENT_MASK,
1857 .box_ctl = NHMEX_W_MSR_GLOBAL_CTL,
1858 .pair_ctr_ctl = 1,
1859 .event_descs = nhmex_uncore_wbox_events,
1860 .ops = &nhmex_uncore_ops,
1861 .format_group = &nhmex_uncore_cbox_format_group
1862 };
1863
1864 static int nhmex_bbox_hw_config(struct intel_uncore_box *box, struct perf_event *event)
1865 {
1866 struct hw_perf_event *hwc = &event->hw;
1867 struct hw_perf_event_extra *reg1 = &hwc->extra_reg;
1868 struct hw_perf_event_extra *reg2 = &hwc->branch_reg;
1869 int ctr, ev_sel;
1870
1871 ctr = (hwc->config & NHMEX_B_PMON_CTR_MASK) >>
1872 NHMEX_B_PMON_CTR_SHIFT;
1873 ev_sel = (hwc->config & NHMEX_B_PMON_CTL_EV_SEL_MASK) >>
1874 NHMEX_B_PMON_CTL_EV_SEL_SHIFT;
1875
1876 /* events that do not use the match/mask registers */
1877 if ((ctr == 0 && ev_sel > 0x3) || (ctr == 1 && ev_sel > 0x6) ||
1878 (ctr == 2 && ev_sel != 0x4) || ctr == 3)
1879 return 0;
1880
1881 if (box->pmu->pmu_idx == 0)
1882 reg1->reg = NHMEX_B0_MSR_MATCH;
1883 else
1884 reg1->reg = NHMEX_B1_MSR_MATCH;
1885 reg1->idx = 0;
1886 reg1->config = event->attr.config1;
1887 reg2->config = event->attr.config2;
1888 return 0;
1889 }
1890
1891 static void nhmex_bbox_msr_enable_event(struct intel_uncore_box *box, struct perf_event *event)
1892 {
1893 struct hw_perf_event *hwc = &event->hw;
1894 struct hw_perf_event_extra *reg1 = &hwc->extra_reg;
1895 struct hw_perf_event_extra *reg2 = &hwc->branch_reg;
1896
1897 if (reg1->idx != EXTRA_REG_NONE) {
1898 wrmsrl(reg1->reg, reg1->config);
1899 wrmsrl(reg1->reg + 1, reg2->config);
1900 }
1901 wrmsrl(hwc->config_base, NHMEX_PMON_CTL_EN_BIT0 |
1902 (hwc->config & NHMEX_B_PMON_CTL_EV_SEL_MASK));
1903 }
1904
1905 /*
1906 * The Bbox has 4 counters, but each counter monitors different events.
1907 * Use bits 6-7 in the event config to select counter.
1908 */
1909 static struct event_constraint nhmex_uncore_bbox_constraints[] = {
1910 EVENT_CONSTRAINT(0 , 1, 0xc0),
1911 EVENT_CONSTRAINT(0x40, 2, 0xc0),
1912 EVENT_CONSTRAINT(0x80, 4, 0xc0),
1913 EVENT_CONSTRAINT(0xc0, 8, 0xc0),
1914 EVENT_CONSTRAINT_END,
1915 };
1916
1917 static struct attribute *nhmex_uncore_bbox_formats_attr[] = {
1918 &format_attr_event5.attr,
1919 &format_attr_counter.attr,
1920 &format_attr_match.attr,
1921 &format_attr_mask.attr,
1922 NULL,
1923 };
1924
1925 static struct attribute_group nhmex_uncore_bbox_format_group = {
1926 .name = "format",
1927 .attrs = nhmex_uncore_bbox_formats_attr,
1928 };
1929
1930 static struct intel_uncore_ops nhmex_uncore_bbox_ops = {
1931 NHMEX_UNCORE_OPS_COMMON_INIT(),
1932 .enable_event = nhmex_bbox_msr_enable_event,
1933 .hw_config = nhmex_bbox_hw_config,
1934 .get_constraint = uncore_get_constraint,
1935 .put_constraint = uncore_put_constraint,
1936 };
1937
1938 static struct intel_uncore_type nhmex_uncore_bbox = {
1939 .name = "bbox",
1940 .num_counters = 4,
1941 .num_boxes = 2,
1942 .perf_ctr_bits = 48,
1943 .event_ctl = NHMEX_B0_MSR_PMON_CTL0,
1944 .perf_ctr = NHMEX_B0_MSR_PMON_CTR0,
1945 .event_mask = NHMEX_B_PMON_RAW_EVENT_MASK,
1946 .box_ctl = NHMEX_B0_MSR_PMON_GLOBAL_CTL,
1947 .msr_offset = NHMEX_B_MSR_OFFSET,
1948 .pair_ctr_ctl = 1,
1949 .num_shared_regs = 1,
1950 .constraints = nhmex_uncore_bbox_constraints,
1951 .ops = &nhmex_uncore_bbox_ops,
1952 .format_group = &nhmex_uncore_bbox_format_group
1953 };
1954
1955 static int nhmex_sbox_hw_config(struct intel_uncore_box *box, struct perf_event *event)
1956 {
1957 struct hw_perf_event *hwc = &event->hw;
1958 struct hw_perf_event_extra *reg1 = &hwc->extra_reg;
1959 struct hw_perf_event_extra *reg2 = &hwc->branch_reg;
1960
1961 /* only TO_R_PROG_EV event uses the match/mask register */
1962 if ((hwc->config & NHMEX_PMON_CTL_EV_SEL_MASK) !=
1963 NHMEX_S_EVENT_TO_R_PROG_EV)
1964 return 0;
1965
1966 if (box->pmu->pmu_idx == 0)
1967 reg1->reg = NHMEX_S0_MSR_MM_CFG;
1968 else
1969 reg1->reg = NHMEX_S1_MSR_MM_CFG;
1970 reg1->idx = 0;
1971 reg1->config = event->attr.config1;
1972 reg2->config = event->attr.config2;
1973 return 0;
1974 }
1975
1976 static void nhmex_sbox_msr_enable_event(struct intel_uncore_box *box, struct perf_event *event)
1977 {
1978 struct hw_perf_event *hwc = &event->hw;
1979 struct hw_perf_event_extra *reg1 = &hwc->extra_reg;
1980 struct hw_perf_event_extra *reg2 = &hwc->branch_reg;
1981
1982 if (reg1->idx != EXTRA_REG_NONE) {
1983 wrmsrl(reg1->reg, 0);
1984 wrmsrl(reg1->reg + 1, reg1->config);
1985 wrmsrl(reg1->reg + 2, reg2->config);
1986 wrmsrl(reg1->reg, NHMEX_S_PMON_MM_CFG_EN);
1987 }
1988 wrmsrl(hwc->config_base, hwc->config | NHMEX_PMON_CTL_EN_BIT22);
1989 }
1990
1991 static struct attribute *nhmex_uncore_sbox_formats_attr[] = {
1992 &format_attr_event.attr,
1993 &format_attr_umask.attr,
1994 &format_attr_edge.attr,
1995 &format_attr_inv.attr,
1996 &format_attr_thresh8.attr,
1997 &format_attr_match.attr,
1998 &format_attr_mask.attr,
1999 NULL,
2000 };
2001
2002 static struct attribute_group nhmex_uncore_sbox_format_group = {
2003 .name = "format",
2004 .attrs = nhmex_uncore_sbox_formats_attr,
2005 };
2006
2007 static struct intel_uncore_ops nhmex_uncore_sbox_ops = {
2008 NHMEX_UNCORE_OPS_COMMON_INIT(),
2009 .enable_event = nhmex_sbox_msr_enable_event,
2010 .hw_config = nhmex_sbox_hw_config,
2011 .get_constraint = uncore_get_constraint,
2012 .put_constraint = uncore_put_constraint,
2013 };
2014
2015 static struct intel_uncore_type nhmex_uncore_sbox = {
2016 .name = "sbox",
2017 .num_counters = 4,
2018 .num_boxes = 2,
2019 .perf_ctr_bits = 48,
2020 .event_ctl = NHMEX_S0_MSR_PMON_CTL0,
2021 .perf_ctr = NHMEX_S0_MSR_PMON_CTR0,
2022 .event_mask = NHMEX_PMON_RAW_EVENT_MASK,
2023 .box_ctl = NHMEX_S0_MSR_PMON_GLOBAL_CTL,
2024 .msr_offset = NHMEX_S_MSR_OFFSET,
2025 .pair_ctr_ctl = 1,
2026 .num_shared_regs = 1,
2027 .ops = &nhmex_uncore_sbox_ops,
2028 .format_group = &nhmex_uncore_sbox_format_group
2029 };
2030
2031 enum {
2032 EXTRA_REG_NHMEX_M_FILTER,
2033 EXTRA_REG_NHMEX_M_DSP,
2034 EXTRA_REG_NHMEX_M_ISS,
2035 EXTRA_REG_NHMEX_M_MAP,
2036 EXTRA_REG_NHMEX_M_MSC_THR,
2037 EXTRA_REG_NHMEX_M_PGT,
2038 EXTRA_REG_NHMEX_M_PLD,
2039 EXTRA_REG_NHMEX_M_ZDP_CTL_FVC,
2040 };
2041
2042 static struct extra_reg nhmex_uncore_mbox_extra_regs[] = {
2043 MBOX_INC_SEL_EXTAR_REG(0x0, DSP),
2044 MBOX_INC_SEL_EXTAR_REG(0x4, MSC_THR),
2045 MBOX_INC_SEL_EXTAR_REG(0x5, MSC_THR),
2046 MBOX_INC_SEL_EXTAR_REG(0x9, ISS),
2047 /* event 0xa uses two extra registers */
2048 MBOX_INC_SEL_EXTAR_REG(0xa, ISS),
2049 MBOX_INC_SEL_EXTAR_REG(0xa, PLD),
2050 MBOX_INC_SEL_EXTAR_REG(0xb, PLD),
2051 /* events 0xd ~ 0x10 use the same extra register */
2052 MBOX_INC_SEL_EXTAR_REG(0xd, ZDP_CTL_FVC),
2053 MBOX_INC_SEL_EXTAR_REG(0xe, ZDP_CTL_FVC),
2054 MBOX_INC_SEL_EXTAR_REG(0xf, ZDP_CTL_FVC),
2055 MBOX_INC_SEL_EXTAR_REG(0x10, ZDP_CTL_FVC),
2056 MBOX_INC_SEL_EXTAR_REG(0x16, PGT),
2057 MBOX_SET_FLAG_SEL_EXTRA_REG(0x0, DSP),
2058 MBOX_SET_FLAG_SEL_EXTRA_REG(0x1, ISS),
2059 MBOX_SET_FLAG_SEL_EXTRA_REG(0x5, PGT),
2060 MBOX_SET_FLAG_SEL_EXTRA_REG(0x6, MAP),
2061 EVENT_EXTRA_END
2062 };
2063
2064 /* Nehalem-EX or Westmere-EX ? */
2065 static bool uncore_nhmex;
2066
2067 static bool nhmex_mbox_get_shared_reg(struct intel_uncore_box *box, int idx, u64 config)
2068 {
2069 struct intel_uncore_extra_reg *er;
2070 unsigned long flags;
2071 bool ret = false;
2072 u64 mask;
2073
2074 if (idx < EXTRA_REG_NHMEX_M_ZDP_CTL_FVC) {
2075 er = &box->shared_regs[idx];
2076 raw_spin_lock_irqsave(&er->lock, flags);
2077 if (!atomic_read(&er->ref) || er->config == config) {
2078 atomic_inc(&er->ref);
2079 er->config = config;
2080 ret = true;
2081 }
2082 raw_spin_unlock_irqrestore(&er->lock, flags);
2083
2084 return ret;
2085 }
2086 /*
2087 * The ZDP_CTL_FVC MSR has 4 fields which are used to control
2088 * events 0xd ~ 0x10. Besides these 4 fields, there are additional
2089 * fields which are shared.
2090 */
2091 idx -= EXTRA_REG_NHMEX_M_ZDP_CTL_FVC;
2092 if (WARN_ON_ONCE(idx >= 4))
2093 return false;
2094
2095 /* mask of the shared fields */
2096 if (uncore_nhmex)
2097 mask = NHMEX_M_PMON_ZDP_CTL_FVC_MASK;
2098 else
2099 mask = WSMEX_M_PMON_ZDP_CTL_FVC_MASK;
2100 er = &box->shared_regs[EXTRA_REG_NHMEX_M_ZDP_CTL_FVC];
2101
2102 raw_spin_lock_irqsave(&er->lock, flags);
2103 /* add mask of the non-shared field if it's in use */
2104 if (__BITS_VALUE(atomic_read(&er->ref), idx, 8)) {
2105 if (uncore_nhmex)
2106 mask |= NHMEX_M_PMON_ZDP_CTL_FVC_EVENT_MASK(idx);
2107 else
2108 mask |= WSMEX_M_PMON_ZDP_CTL_FVC_EVENT_MASK(idx);
2109 }
2110
2111 if (!atomic_read(&er->ref) || !((er->config ^ config) & mask)) {
2112 atomic_add(1 << (idx * 8), &er->ref);
2113 if (uncore_nhmex)
2114 mask = NHMEX_M_PMON_ZDP_CTL_FVC_MASK |
2115 NHMEX_M_PMON_ZDP_CTL_FVC_EVENT_MASK(idx);
2116 else
2117 mask = WSMEX_M_PMON_ZDP_CTL_FVC_MASK |
2118 WSMEX_M_PMON_ZDP_CTL_FVC_EVENT_MASK(idx);
2119 er->config &= ~mask;
2120 er->config |= (config & mask);
2121 ret = true;
2122 }
2123 raw_spin_unlock_irqrestore(&er->lock, flags);
2124
2125 return ret;
2126 }
2127
2128 static void nhmex_mbox_put_shared_reg(struct intel_uncore_box *box, int idx)
2129 {
2130 struct intel_uncore_extra_reg *er;
2131
2132 if (idx < EXTRA_REG_NHMEX_M_ZDP_CTL_FVC) {
2133 er = &box->shared_regs[idx];
2134 atomic_dec(&er->ref);
2135 return;
2136 }
2137
2138 idx -= EXTRA_REG_NHMEX_M_ZDP_CTL_FVC;
2139 er = &box->shared_regs[EXTRA_REG_NHMEX_M_ZDP_CTL_FVC];
2140 atomic_sub(1 << (idx * 8), &er->ref);
2141 }
2142
2143 static u64 nhmex_mbox_alter_er(struct perf_event *event, int new_idx, bool modify)
2144 {
2145 struct hw_perf_event *hwc = &event->hw;
2146 struct hw_perf_event_extra *reg1 = &hwc->extra_reg;
2147 u64 idx, orig_idx = __BITS_VALUE(reg1->idx, 0, 8);
2148 u64 config = reg1->config;
2149
2150 /* get the non-shared control bits and shift them */
2151 idx = orig_idx - EXTRA_REG_NHMEX_M_ZDP_CTL_FVC;
2152 if (uncore_nhmex)
2153 config &= NHMEX_M_PMON_ZDP_CTL_FVC_EVENT_MASK(idx);
2154 else
2155 config &= WSMEX_M_PMON_ZDP_CTL_FVC_EVENT_MASK(idx);
2156 if (new_idx > orig_idx) {
2157 idx = new_idx - orig_idx;
2158 config <<= 3 * idx;
2159 } else {
2160 idx = orig_idx - new_idx;
2161 config >>= 3 * idx;
2162 }
2163
2164 /* add the shared control bits back */
2165 if (uncore_nhmex)
2166 config |= NHMEX_M_PMON_ZDP_CTL_FVC_MASK & reg1->config;
2167 else
2168 config |= WSMEX_M_PMON_ZDP_CTL_FVC_MASK & reg1->config;
2169 config |= NHMEX_M_PMON_ZDP_CTL_FVC_MASK & reg1->config;
2170 if (modify) {
2171 /* adjust the main event selector */
2172 if (new_idx > orig_idx)
2173 hwc->config += idx << NHMEX_M_PMON_CTL_INC_SEL_SHIFT;
2174 else
2175 hwc->config -= idx << NHMEX_M_PMON_CTL_INC_SEL_SHIFT;
2176 reg1->config = config;
2177 reg1->idx = ~0xff | new_idx;
2178 }
2179 return config;
2180 }
2181
2182 static struct event_constraint *
2183 nhmex_mbox_get_constraint(struct intel_uncore_box *box, struct perf_event *event)
2184 {
2185 struct hw_perf_event_extra *reg1 = &event->hw.extra_reg;
2186 struct hw_perf_event_extra *reg2 = &event->hw.branch_reg;
2187 int i, idx[2], alloc = 0;
2188 u64 config1 = reg1->config;
2189
2190 idx[0] = __BITS_VALUE(reg1->idx, 0, 8);
2191 idx[1] = __BITS_VALUE(reg1->idx, 1, 8);
2192 again:
2193 for (i = 0; i < 2; i++) {
2194 if (!uncore_box_is_fake(box) && (reg1->alloc & (0x1 << i)))
2195 idx[i] = 0xff;
2196
2197 if (idx[i] == 0xff)
2198 continue;
2199
2200 if (!nhmex_mbox_get_shared_reg(box, idx[i],
2201 __BITS_VALUE(config1, i, 32)))
2202 goto fail;
2203 alloc |= (0x1 << i);
2204 }
2205
2206 /* for the match/mask registers */
2207 if (reg2->idx != EXTRA_REG_NONE &&
2208 (uncore_box_is_fake(box) || !reg2->alloc) &&
2209 !nhmex_mbox_get_shared_reg(box, reg2->idx, reg2->config))
2210 goto fail;
2211
2212 /*
2213 * If it's a fake box -- as per validate_{group,event}() we
2214 * shouldn't touch event state and we can avoid doing so
2215 * since both will only call get_event_constraints() once
2216 * on each event, this avoids the need for reg->alloc.
2217 */
2218 if (!uncore_box_is_fake(box)) {
2219 if (idx[0] != 0xff && idx[0] != __BITS_VALUE(reg1->idx, 0, 8))
2220 nhmex_mbox_alter_er(event, idx[0], true);
2221 reg1->alloc |= alloc;
2222 if (reg2->idx != EXTRA_REG_NONE)
2223 reg2->alloc = 1;
2224 }
2225 return NULL;
2226 fail:
2227 if (idx[0] != 0xff && !(alloc & 0x1) &&
2228 idx[0] >= EXTRA_REG_NHMEX_M_ZDP_CTL_FVC) {
2229 /*
2230 * events 0xd ~ 0x10 are functional identical, but are
2231 * controlled by different fields in the ZDP_CTL_FVC
2232 * register. If we failed to take one field, try the
2233 * rest 3 choices.
2234 */
2235 BUG_ON(__BITS_VALUE(reg1->idx, 1, 8) != 0xff);
2236 idx[0] -= EXTRA_REG_NHMEX_M_ZDP_CTL_FVC;
2237 idx[0] = (idx[0] + 1) % 4;
2238 idx[0] += EXTRA_REG_NHMEX_M_ZDP_CTL_FVC;
2239 if (idx[0] != __BITS_VALUE(reg1->idx, 0, 8)) {
2240 config1 = nhmex_mbox_alter_er(event, idx[0], false);
2241 goto again;
2242 }
2243 }
2244
2245 if (alloc & 0x1)
2246 nhmex_mbox_put_shared_reg(box, idx[0]);
2247 if (alloc & 0x2)
2248 nhmex_mbox_put_shared_reg(box, idx[1]);
2249 return &constraint_empty;
2250 }
2251
2252 static void nhmex_mbox_put_constraint(struct intel_uncore_box *box, struct perf_event *event)
2253 {
2254 struct hw_perf_event_extra *reg1 = &event->hw.extra_reg;
2255 struct hw_perf_event_extra *reg2 = &event->hw.branch_reg;
2256
2257 if (uncore_box_is_fake(box))
2258 return;
2259
2260 if (reg1->alloc & 0x1)
2261 nhmex_mbox_put_shared_reg(box, __BITS_VALUE(reg1->idx, 0, 8));
2262 if (reg1->alloc & 0x2)
2263 nhmex_mbox_put_shared_reg(box, __BITS_VALUE(reg1->idx, 1, 8));
2264 reg1->alloc = 0;
2265
2266 if (reg2->alloc) {
2267 nhmex_mbox_put_shared_reg(box, reg2->idx);
2268 reg2->alloc = 0;
2269 }
2270 }
2271
2272 static int nhmex_mbox_extra_reg_idx(struct extra_reg *er)
2273 {
2274 if (er->idx < EXTRA_REG_NHMEX_M_ZDP_CTL_FVC)
2275 return er->idx;
2276 return er->idx + (er->event >> NHMEX_M_PMON_CTL_INC_SEL_SHIFT) - 0xd;
2277 }
2278
2279 static int nhmex_mbox_hw_config(struct intel_uncore_box *box, struct perf_event *event)
2280 {
2281 struct intel_uncore_type *type = box->pmu->type;
2282 struct hw_perf_event_extra *reg1 = &event->hw.extra_reg;
2283 struct hw_perf_event_extra *reg2 = &event->hw.branch_reg;
2284 struct extra_reg *er;
2285 unsigned msr;
2286 int reg_idx = 0;
2287 /*
2288 * The mbox events may require 2 extra MSRs at the most. But only
2289 * the lower 32 bits in these MSRs are significant, so we can use
2290 * config1 to pass two MSRs' config.
2291 */
2292 for (er = nhmex_uncore_mbox_extra_regs; er->msr; er++) {
2293 if (er->event != (event->hw.config & er->config_mask))
2294 continue;
2295 if (event->attr.config1 & ~er->valid_mask)
2296 return -EINVAL;
2297
2298 msr = er->msr + type->msr_offset * box->pmu->pmu_idx;
2299 if (WARN_ON_ONCE(msr >= 0xffff || er->idx >= 0xff))
2300 return -EINVAL;
2301
2302 /* always use the 32~63 bits to pass the PLD config */
2303 if (er->idx == EXTRA_REG_NHMEX_M_PLD)
2304 reg_idx = 1;
2305 else if (WARN_ON_ONCE(reg_idx > 0))
2306 return -EINVAL;
2307
2308 reg1->idx &= ~(0xff << (reg_idx * 8));
2309 reg1->reg &= ~(0xffff << (reg_idx * 16));
2310 reg1->idx |= nhmex_mbox_extra_reg_idx(er) << (reg_idx * 8);
2311 reg1->reg |= msr << (reg_idx * 16);
2312 reg1->config = event->attr.config1;
2313 reg_idx++;
2314 }
2315 /*
2316 * The mbox only provides ability to perform address matching
2317 * for the PLD events.
2318 */
2319 if (reg_idx == 2) {
2320 reg2->idx = EXTRA_REG_NHMEX_M_FILTER;
2321 if (event->attr.config2 & NHMEX_M_PMON_MM_CFG_EN)
2322 reg2->config = event->attr.config2;
2323 else
2324 reg2->config = ~0ULL;
2325 if (box->pmu->pmu_idx == 0)
2326 reg2->reg = NHMEX_M0_MSR_PMU_MM_CFG;
2327 else
2328 reg2->reg = NHMEX_M1_MSR_PMU_MM_CFG;
2329 }
2330 return 0;
2331 }
2332
2333 static u64 nhmex_mbox_shared_reg_config(struct intel_uncore_box *box, int idx)
2334 {
2335 struct intel_uncore_extra_reg *er;
2336 unsigned long flags;
2337 u64 config;
2338
2339 if (idx < EXTRA_REG_NHMEX_M_ZDP_CTL_FVC)
2340 return box->shared_regs[idx].config;
2341
2342 er = &box->shared_regs[EXTRA_REG_NHMEX_M_ZDP_CTL_FVC];
2343 raw_spin_lock_irqsave(&er->lock, flags);
2344 config = er->config;
2345 raw_spin_unlock_irqrestore(&er->lock, flags);
2346 return config;
2347 }
2348
2349 static void nhmex_mbox_msr_enable_event(struct intel_uncore_box *box, struct perf_event *event)
2350 {
2351 struct hw_perf_event *hwc = &event->hw;
2352 struct hw_perf_event_extra *reg1 = &hwc->extra_reg;
2353 struct hw_perf_event_extra *reg2 = &hwc->branch_reg;
2354 int idx;
2355
2356 idx = __BITS_VALUE(reg1->idx, 0, 8);
2357 if (idx != 0xff)
2358 wrmsrl(__BITS_VALUE(reg1->reg, 0, 16),
2359 nhmex_mbox_shared_reg_config(box, idx));
2360 idx = __BITS_VALUE(reg1->idx, 1, 8);
2361 if (idx != 0xff)
2362 wrmsrl(__BITS_VALUE(reg1->reg, 1, 16),
2363 nhmex_mbox_shared_reg_config(box, idx));
2364
2365 if (reg2->idx != EXTRA_REG_NONE) {
2366 wrmsrl(reg2->reg, 0);
2367 if (reg2->config != ~0ULL) {
2368 wrmsrl(reg2->reg + 1,
2369 reg2->config & NHMEX_M_PMON_ADDR_MATCH_MASK);
2370 wrmsrl(reg2->reg + 2, NHMEX_M_PMON_ADDR_MASK_MASK &
2371 (reg2->config >> NHMEX_M_PMON_ADDR_MASK_SHIFT));
2372 wrmsrl(reg2->reg, NHMEX_M_PMON_MM_CFG_EN);
2373 }
2374 }
2375
2376 wrmsrl(hwc->config_base, hwc->config | NHMEX_PMON_CTL_EN_BIT0);
2377 }
2378
2379 DEFINE_UNCORE_FORMAT_ATTR(count_mode, count_mode, "config:2-3");
2380 DEFINE_UNCORE_FORMAT_ATTR(storage_mode, storage_mode, "config:4-5");
2381 DEFINE_UNCORE_FORMAT_ATTR(wrap_mode, wrap_mode, "config:6");
2382 DEFINE_UNCORE_FORMAT_ATTR(flag_mode, flag_mode, "config:7");
2383 DEFINE_UNCORE_FORMAT_ATTR(inc_sel, inc_sel, "config:9-13");
2384 DEFINE_UNCORE_FORMAT_ATTR(set_flag_sel, set_flag_sel, "config:19-21");
2385 DEFINE_UNCORE_FORMAT_ATTR(filter_cfg_en, filter_cfg_en, "config2:63");
2386 DEFINE_UNCORE_FORMAT_ATTR(filter_match, filter_match, "config2:0-33");
2387 DEFINE_UNCORE_FORMAT_ATTR(filter_mask, filter_mask, "config2:34-61");
2388 DEFINE_UNCORE_FORMAT_ATTR(dsp, dsp, "config1:0-31");
2389 DEFINE_UNCORE_FORMAT_ATTR(thr, thr, "config1:0-31");
2390 DEFINE_UNCORE_FORMAT_ATTR(fvc, fvc, "config1:0-31");
2391 DEFINE_UNCORE_FORMAT_ATTR(pgt, pgt, "config1:0-31");
2392 DEFINE_UNCORE_FORMAT_ATTR(map, map, "config1:0-31");
2393 DEFINE_UNCORE_FORMAT_ATTR(iss, iss, "config1:0-31");
2394 DEFINE_UNCORE_FORMAT_ATTR(pld, pld, "config1:32-63");
2395
2396 static struct attribute *nhmex_uncore_mbox_formats_attr[] = {
2397 &format_attr_count_mode.attr,
2398 &format_attr_storage_mode.attr,
2399 &format_attr_wrap_mode.attr,
2400 &format_attr_flag_mode.attr,
2401 &format_attr_inc_sel.attr,
2402 &format_attr_set_flag_sel.attr,
2403 &format_attr_filter_cfg_en.attr,
2404 &format_attr_filter_match.attr,
2405 &format_attr_filter_mask.attr,
2406 &format_attr_dsp.attr,
2407 &format_attr_thr.attr,
2408 &format_attr_fvc.attr,
2409 &format_attr_pgt.attr,
2410 &format_attr_map.attr,
2411 &format_attr_iss.attr,
2412 &format_attr_pld.attr,
2413 NULL,
2414 };
2415
2416 static struct attribute_group nhmex_uncore_mbox_format_group = {
2417 .name = "format",
2418 .attrs = nhmex_uncore_mbox_formats_attr,
2419 };
2420
2421 static struct uncore_event_desc nhmex_uncore_mbox_events[] = {
2422 INTEL_UNCORE_EVENT_DESC(bbox_cmds_read, "inc_sel=0xd,fvc=0x2800"),
2423 INTEL_UNCORE_EVENT_DESC(bbox_cmds_write, "inc_sel=0xd,fvc=0x2820"),
2424 { /* end: all zeroes */ },
2425 };
2426
2427 static struct uncore_event_desc wsmex_uncore_mbox_events[] = {
2428 INTEL_UNCORE_EVENT_DESC(bbox_cmds_read, "inc_sel=0xd,fvc=0x5000"),
2429 INTEL_UNCORE_EVENT_DESC(bbox_cmds_write, "inc_sel=0xd,fvc=0x5040"),
2430 { /* end: all zeroes */ },
2431 };
2432
2433 static struct intel_uncore_ops nhmex_uncore_mbox_ops = {
2434 NHMEX_UNCORE_OPS_COMMON_INIT(),
2435 .enable_event = nhmex_mbox_msr_enable_event,
2436 .hw_config = nhmex_mbox_hw_config,
2437 .get_constraint = nhmex_mbox_get_constraint,
2438 .put_constraint = nhmex_mbox_put_constraint,
2439 };
2440
2441 static struct intel_uncore_type nhmex_uncore_mbox = {
2442 .name = "mbox",
2443 .num_counters = 6,
2444 .num_boxes = 2,
2445 .perf_ctr_bits = 48,
2446 .event_ctl = NHMEX_M0_MSR_PMU_CTL0,
2447 .perf_ctr = NHMEX_M0_MSR_PMU_CNT0,
2448 .event_mask = NHMEX_M_PMON_RAW_EVENT_MASK,
2449 .box_ctl = NHMEX_M0_MSR_GLOBAL_CTL,
2450 .msr_offset = NHMEX_M_MSR_OFFSET,
2451 .pair_ctr_ctl = 1,
2452 .num_shared_regs = 8,
2453 .event_descs = nhmex_uncore_mbox_events,
2454 .ops = &nhmex_uncore_mbox_ops,
2455 .format_group = &nhmex_uncore_mbox_format_group,
2456 };
2457
2458 static void nhmex_rbox_alter_er(struct intel_uncore_box *box, struct perf_event *event)
2459 {
2460 struct hw_perf_event *hwc = &event->hw;
2461 struct hw_perf_event_extra *reg1 = &hwc->extra_reg;
2462
2463 /* adjust the main event selector and extra register index */
2464 if (reg1->idx % 2) {
2465 reg1->idx--;
2466 hwc->config -= 1 << NHMEX_R_PMON_CTL_EV_SEL_SHIFT;
2467 } else {
2468 reg1->idx++;
2469 hwc->config += 1 << NHMEX_R_PMON_CTL_EV_SEL_SHIFT;
2470 }
2471
2472 /* adjust extra register config */
2473 switch (reg1->idx % 6) {
2474 case 2:
2475 /* shift the 8~15 bits to the 0~7 bits */
2476 reg1->config >>= 8;
2477 break;
2478 case 3:
2479 /* shift the 0~7 bits to the 8~15 bits */
2480 reg1->config <<= 8;
2481 break;
2482 };
2483 }
2484
2485 /*
2486 * Each rbox has 4 event set which monitor PQI port 0~3 or 4~7.
2487 * An event set consists of 6 events, the 3rd and 4th events in
2488 * an event set use the same extra register. So an event set uses
2489 * 5 extra registers.
2490 */
2491 static struct event_constraint *
2492 nhmex_rbox_get_constraint(struct intel_uncore_box *box, struct perf_event *event)
2493 {
2494 struct hw_perf_event *hwc = &event->hw;
2495 struct hw_perf_event_extra *reg1 = &hwc->extra_reg;
2496 struct hw_perf_event_extra *reg2 = &hwc->branch_reg;
2497 struct intel_uncore_extra_reg *er;
2498 unsigned long flags;
2499 int idx, er_idx;
2500 u64 config1;
2501 bool ok = false;
2502
2503 if (!uncore_box_is_fake(box) && reg1->alloc)
2504 return NULL;
2505
2506 idx = reg1->idx % 6;
2507 config1 = reg1->config;
2508 again:
2509 er_idx = idx;
2510 /* the 3rd and 4th events use the same extra register */
2511 if (er_idx > 2)
2512 er_idx--;
2513 er_idx += (reg1->idx / 6) * 5;
2514
2515 er = &box->shared_regs[er_idx];
2516 raw_spin_lock_irqsave(&er->lock, flags);
2517 if (idx < 2) {
2518 if (!atomic_read(&er->ref) || er->config == reg1->config) {
2519 atomic_inc(&er->ref);
2520 er->config = reg1->config;
2521 ok = true;
2522 }
2523 } else if (idx == 2 || idx == 3) {
2524 /*
2525 * these two events use different fields in a extra register,
2526 * the 0~7 bits and the 8~15 bits respectively.
2527 */
2528 u64 mask = 0xff << ((idx - 2) * 8);
2529 if (!__BITS_VALUE(atomic_read(&er->ref), idx - 2, 8) ||
2530 !((er->config ^ config1) & mask)) {
2531 atomic_add(1 << ((idx - 2) * 8), &er->ref);
2532 er->config &= ~mask;
2533 er->config |= config1 & mask;
2534 ok = true;
2535 }
2536 } else {
2537 if (!atomic_read(&er->ref) ||
2538 (er->config == (hwc->config >> 32) &&
2539 er->config1 == reg1->config &&
2540 er->config2 == reg2->config)) {
2541 atomic_inc(&er->ref);
2542 er->config = (hwc->config >> 32);
2543 er->config1 = reg1->config;
2544 er->config2 = reg2->config;
2545 ok = true;
2546 }
2547 }
2548 raw_spin_unlock_irqrestore(&er->lock, flags);
2549
2550 if (!ok) {
2551 /*
2552 * The Rbox events are always in pairs. The paired
2553 * events are functional identical, but use different
2554 * extra registers. If we failed to take an extra
2555 * register, try the alternative.
2556 */
2557 if (idx % 2)
2558 idx--;
2559 else
2560 idx++;
2561 if (idx != reg1->idx % 6) {
2562 if (idx == 2)
2563 config1 >>= 8;
2564 else if (idx == 3)
2565 config1 <<= 8;
2566 goto again;
2567 }
2568 } else {
2569 if (!uncore_box_is_fake(box)) {
2570 if (idx != reg1->idx % 6)
2571 nhmex_rbox_alter_er(box, event);
2572 reg1->alloc = 1;
2573 }
2574 return NULL;
2575 }
2576 return &constraint_empty;
2577 }
2578
2579 static void nhmex_rbox_put_constraint(struct intel_uncore_box *box, struct perf_event *event)
2580 {
2581 struct intel_uncore_extra_reg *er;
2582 struct hw_perf_event_extra *reg1 = &event->hw.extra_reg;
2583 int idx, er_idx;
2584
2585 if (uncore_box_is_fake(box) || !reg1->alloc)
2586 return;
2587
2588 idx = reg1->idx % 6;
2589 er_idx = idx;
2590 if (er_idx > 2)
2591 er_idx--;
2592 er_idx += (reg1->idx / 6) * 5;
2593
2594 er = &box->shared_regs[er_idx];
2595 if (idx == 2 || idx == 3)
2596 atomic_sub(1 << ((idx - 2) * 8), &er->ref);
2597 else
2598 atomic_dec(&er->ref);
2599
2600 reg1->alloc = 0;
2601 }
2602
2603 static int nhmex_rbox_hw_config(struct intel_uncore_box *box, struct perf_event *event)
2604 {
2605 struct hw_perf_event *hwc = &event->hw;
2606 struct hw_perf_event_extra *reg1 = &event->hw.extra_reg;
2607 struct hw_perf_event_extra *reg2 = &event->hw.branch_reg;
2608 int idx;
2609
2610 idx = (event->hw.config & NHMEX_R_PMON_CTL_EV_SEL_MASK) >>
2611 NHMEX_R_PMON_CTL_EV_SEL_SHIFT;
2612 if (idx >= 0x18)
2613 return -EINVAL;
2614
2615 reg1->idx = idx;
2616 reg1->config = event->attr.config1;
2617
2618 switch (idx % 6) {
2619 case 4:
2620 case 5:
2621 hwc->config |= event->attr.config & (~0ULL << 32);
2622 reg2->config = event->attr.config2;
2623 break;
2624 };
2625 return 0;
2626 }
2627
2628 static void nhmex_rbox_msr_enable_event(struct intel_uncore_box *box, struct perf_event *event)
2629 {
2630 struct hw_perf_event *hwc = &event->hw;
2631 struct hw_perf_event_extra *reg1 = &hwc->extra_reg;
2632 struct hw_perf_event_extra *reg2 = &hwc->branch_reg;
2633 int idx, port;
2634
2635 idx = reg1->idx;
2636 port = idx / 6 + box->pmu->pmu_idx * 4;
2637
2638 switch (idx % 6) {
2639 case 0:
2640 wrmsrl(NHMEX_R_MSR_PORTN_IPERF_CFG0(port), reg1->config);
2641 break;
2642 case 1:
2643 wrmsrl(NHMEX_R_MSR_PORTN_IPERF_CFG1(port), reg1->config);
2644 break;
2645 case 2:
2646 case 3:
2647 wrmsrl(NHMEX_R_MSR_PORTN_QLX_CFG(port),
2648 uncore_shared_reg_config(box, 2 + (idx / 6) * 5));
2649 break;
2650 case 4:
2651 wrmsrl(NHMEX_R_MSR_PORTN_XBR_SET1_MM_CFG(port),
2652 hwc->config >> 32);
2653 wrmsrl(NHMEX_R_MSR_PORTN_XBR_SET1_MATCH(port), reg1->config);
2654 wrmsrl(NHMEX_R_MSR_PORTN_XBR_SET1_MASK(port), reg2->config);
2655 break;
2656 case 5:
2657 wrmsrl(NHMEX_R_MSR_PORTN_XBR_SET2_MM_CFG(port),
2658 hwc->config >> 32);
2659 wrmsrl(NHMEX_R_MSR_PORTN_XBR_SET2_MATCH(port), reg1->config);
2660 wrmsrl(NHMEX_R_MSR_PORTN_XBR_SET2_MASK(port), reg2->config);
2661 break;
2662 };
2663
2664 wrmsrl(hwc->config_base, NHMEX_PMON_CTL_EN_BIT0 |
2665 (hwc->config & NHMEX_R_PMON_CTL_EV_SEL_MASK));
2666 }
2667
2668 DEFINE_UNCORE_FORMAT_ATTR(xbr_mm_cfg, xbr_mm_cfg, "config:32-63");
2669 DEFINE_UNCORE_FORMAT_ATTR(xbr_match, xbr_match, "config1:0-63");
2670 DEFINE_UNCORE_FORMAT_ATTR(xbr_mask, xbr_mask, "config2:0-63");
2671 DEFINE_UNCORE_FORMAT_ATTR(qlx_cfg, qlx_cfg, "config1:0-15");
2672 DEFINE_UNCORE_FORMAT_ATTR(iperf_cfg, iperf_cfg, "config1:0-31");
2673
2674 static struct attribute *nhmex_uncore_rbox_formats_attr[] = {
2675 &format_attr_event5.attr,
2676 &format_attr_xbr_mm_cfg.attr,
2677 &format_attr_xbr_match.attr,
2678 &format_attr_xbr_mask.attr,
2679 &format_attr_qlx_cfg.attr,
2680 &format_attr_iperf_cfg.attr,
2681 NULL,
2682 };
2683
2684 static struct attribute_group nhmex_uncore_rbox_format_group = {
2685 .name = "format",
2686 .attrs = nhmex_uncore_rbox_formats_attr,
2687 };
2688
2689 static struct uncore_event_desc nhmex_uncore_rbox_events[] = {
2690 INTEL_UNCORE_EVENT_DESC(qpi0_flit_send, "event=0x0,iperf_cfg=0x80000000"),
2691 INTEL_UNCORE_EVENT_DESC(qpi1_filt_send, "event=0x6,iperf_cfg=0x80000000"),
2692 INTEL_UNCORE_EVENT_DESC(qpi0_idle_filt, "event=0x0,iperf_cfg=0x40000000"),
2693 INTEL_UNCORE_EVENT_DESC(qpi1_idle_filt, "event=0x6,iperf_cfg=0x40000000"),
2694 INTEL_UNCORE_EVENT_DESC(qpi0_date_response, "event=0x0,iperf_cfg=0xc4"),
2695 INTEL_UNCORE_EVENT_DESC(qpi1_date_response, "event=0x6,iperf_cfg=0xc4"),
2696 { /* end: all zeroes */ },
2697 };
2698
2699 static struct intel_uncore_ops nhmex_uncore_rbox_ops = {
2700 NHMEX_UNCORE_OPS_COMMON_INIT(),
2701 .enable_event = nhmex_rbox_msr_enable_event,
2702 .hw_config = nhmex_rbox_hw_config,
2703 .get_constraint = nhmex_rbox_get_constraint,
2704 .put_constraint = nhmex_rbox_put_constraint,
2705 };
2706
2707 static struct intel_uncore_type nhmex_uncore_rbox = {
2708 .name = "rbox",
2709 .num_counters = 8,
2710 .num_boxes = 2,
2711 .perf_ctr_bits = 48,
2712 .event_ctl = NHMEX_R_MSR_PMON_CTL0,
2713 .perf_ctr = NHMEX_R_MSR_PMON_CNT0,
2714 .event_mask = NHMEX_R_PMON_RAW_EVENT_MASK,
2715 .box_ctl = NHMEX_R_MSR_GLOBAL_CTL,
2716 .msr_offset = NHMEX_R_MSR_OFFSET,
2717 .pair_ctr_ctl = 1,
2718 .num_shared_regs = 20,
2719 .event_descs = nhmex_uncore_rbox_events,
2720 .ops = &nhmex_uncore_rbox_ops,
2721 .format_group = &nhmex_uncore_rbox_format_group
2722 };
2723
2724 static struct intel_uncore_type *nhmex_msr_uncores[] = {
2725 &nhmex_uncore_ubox,
2726 &nhmex_uncore_cbox,
2727 &nhmex_uncore_bbox,
2728 &nhmex_uncore_sbox,
2729 &nhmex_uncore_mbox,
2730 &nhmex_uncore_rbox,
2731 &nhmex_uncore_wbox,
2732 NULL,
2733 };
2734 /* end of Nehalem-EX uncore support */
2735
2736 static void uncore_assign_hw_event(struct intel_uncore_box *box, struct perf_event *event, int idx)
2737 {
2738 struct hw_perf_event *hwc = &event->hw;
2739
2740 hwc->idx = idx;
2741 hwc->last_tag = ++box->tags[idx];
2742
2743 if (hwc->idx == UNCORE_PMC_IDX_FIXED) {
2744 hwc->event_base = uncore_fixed_ctr(box);
2745 hwc->config_base = uncore_fixed_ctl(box);
2746 return;
2747 }
2748
2749 hwc->config_base = uncore_event_ctl(box, hwc->idx);
2750 hwc->event_base = uncore_perf_ctr(box, hwc->idx);
2751 }
2752
2753 static void uncore_perf_event_update(struct intel_uncore_box *box, struct perf_event *event)
2754 {
2755 u64 prev_count, new_count, delta;
2756 int shift;
2757
2758 if (event->hw.idx >= UNCORE_PMC_IDX_FIXED)
2759 shift = 64 - uncore_fixed_ctr_bits(box);
2760 else
2761 shift = 64 - uncore_perf_ctr_bits(box);
2762
2763 /* the hrtimer might modify the previous event value */
2764 again:
2765 prev_count = local64_read(&event->hw.prev_count);
2766 new_count = uncore_read_counter(box, event);
2767 if (local64_xchg(&event->hw.prev_count, new_count) != prev_count)
2768 goto again;
2769
2770 delta = (new_count << shift) - (prev_count << shift);
2771 delta >>= shift;
2772
2773 local64_add(delta, &event->count);
2774 }
2775
2776 /*
2777 * The overflow interrupt is unavailable for SandyBridge-EP, is broken
2778 * for SandyBridge. So we use hrtimer to periodically poll the counter
2779 * to avoid overflow.
2780 */
2781 static enum hrtimer_restart uncore_pmu_hrtimer(struct hrtimer *hrtimer)
2782 {
2783 struct intel_uncore_box *box;
2784 unsigned long flags;
2785 int bit;
2786
2787 box = container_of(hrtimer, struct intel_uncore_box, hrtimer);
2788 if (!box->n_active || box->cpu != smp_processor_id())
2789 return HRTIMER_NORESTART;
2790 /*
2791 * disable local interrupt to prevent uncore_pmu_event_start/stop
2792 * to interrupt the update process
2793 */
2794 local_irq_save(flags);
2795
2796 for_each_set_bit(bit, box->active_mask, UNCORE_PMC_IDX_MAX)
2797 uncore_perf_event_update(box, box->events[bit]);
2798
2799 local_irq_restore(flags);
2800
2801 hrtimer_forward_now(hrtimer, ns_to_ktime(UNCORE_PMU_HRTIMER_INTERVAL));
2802 return HRTIMER_RESTART;
2803 }
2804
2805 static void uncore_pmu_start_hrtimer(struct intel_uncore_box *box)
2806 {
2807 __hrtimer_start_range_ns(&box->hrtimer,
2808 ns_to_ktime(UNCORE_PMU_HRTIMER_INTERVAL), 0,
2809 HRTIMER_MODE_REL_PINNED, 0);
2810 }
2811
2812 static void uncore_pmu_cancel_hrtimer(struct intel_uncore_box *box)
2813 {
2814 hrtimer_cancel(&box->hrtimer);
2815 }
2816
2817 static void uncore_pmu_init_hrtimer(struct intel_uncore_box *box)
2818 {
2819 hrtimer_init(&box->hrtimer, CLOCK_MONOTONIC, HRTIMER_MODE_REL);
2820 box->hrtimer.function = uncore_pmu_hrtimer;
2821 }
2822
2823 static struct intel_uncore_box *uncore_alloc_box(struct intel_uncore_type *type, int node)
2824 {
2825 struct intel_uncore_box *box;
2826 int i, size;
2827
2828 size = sizeof(*box) + type->num_shared_regs * sizeof(struct intel_uncore_extra_reg);
2829
2830 box = kzalloc_node(size, GFP_KERNEL, node);
2831 if (!box)
2832 return NULL;
2833
2834 for (i = 0; i < type->num_shared_regs; i++)
2835 raw_spin_lock_init(&box->shared_regs[i].lock);
2836
2837 uncore_pmu_init_hrtimer(box);
2838 atomic_set(&box->refcnt, 1);
2839 box->cpu = -1;
2840 box->phys_id = -1;
2841
2842 return box;
2843 }
2844
2845 static struct intel_uncore_box *
2846 uncore_pmu_to_box(struct intel_uncore_pmu *pmu, int cpu)
2847 {
2848 struct intel_uncore_box *box;
2849
2850 box = *per_cpu_ptr(pmu->box, cpu);
2851 if (box)
2852 return box;
2853
2854 raw_spin_lock(&uncore_box_lock);
2855 list_for_each_entry(box, &pmu->box_list, list) {
2856 if (box->phys_id == topology_physical_package_id(cpu)) {
2857 atomic_inc(&box->refcnt);
2858 *per_cpu_ptr(pmu->box, cpu) = box;
2859 break;
2860 }
2861 }
2862 raw_spin_unlock(&uncore_box_lock);
2863
2864 return *per_cpu_ptr(pmu->box, cpu);
2865 }
2866
2867 static struct intel_uncore_pmu *uncore_event_to_pmu(struct perf_event *event)
2868 {
2869 return container_of(event->pmu, struct intel_uncore_pmu, pmu);
2870 }
2871
2872 static struct intel_uncore_box *uncore_event_to_box(struct perf_event *event)
2873 {
2874 /*
2875 * perf core schedules event on the basis of cpu, uncore events are
2876 * collected by one of the cpus inside a physical package.
2877 */
2878 return uncore_pmu_to_box(uncore_event_to_pmu(event), smp_processor_id());
2879 }
2880
2881 static int
2882 uncore_collect_events(struct intel_uncore_box *box, struct perf_event *leader, bool dogrp)
2883 {
2884 struct perf_event *event;
2885 int n, max_count;
2886
2887 max_count = box->pmu->type->num_counters;
2888 if (box->pmu->type->fixed_ctl)
2889 max_count++;
2890
2891 if (box->n_events >= max_count)
2892 return -EINVAL;
2893
2894 n = box->n_events;
2895 box->event_list[n] = leader;
2896 n++;
2897 if (!dogrp)
2898 return n;
2899
2900 list_for_each_entry(event, &leader->sibling_list, group_entry) {
2901 if (event->state <= PERF_EVENT_STATE_OFF)
2902 continue;
2903
2904 if (n >= max_count)
2905 return -EINVAL;
2906
2907 box->event_list[n] = event;
2908 n++;
2909 }
2910 return n;
2911 }
2912
2913 static struct event_constraint *
2914 uncore_get_event_constraint(struct intel_uncore_box *box, struct perf_event *event)
2915 {
2916 struct intel_uncore_type *type = box->pmu->type;
2917 struct event_constraint *c;
2918
2919 if (type->ops->get_constraint) {
2920 c = type->ops->get_constraint(box, event);
2921 if (c)
2922 return c;
2923 }
2924
2925 if (event->attr.config == UNCORE_FIXED_EVENT)
2926 return &constraint_fixed;
2927
2928 if (type->constraints) {
2929 for_each_event_constraint(c, type->constraints) {
2930 if ((event->hw.config & c->cmask) == c->code)
2931 return c;
2932 }
2933 }
2934
2935 return &type->unconstrainted;
2936 }
2937
2938 static void uncore_put_event_constraint(struct intel_uncore_box *box, struct perf_event *event)
2939 {
2940 if (box->pmu->type->ops->put_constraint)
2941 box->pmu->type->ops->put_constraint(box, event);
2942 }
2943
2944 static int uncore_assign_events(struct intel_uncore_box *box, int assign[], int n)
2945 {
2946 unsigned long used_mask[BITS_TO_LONGS(UNCORE_PMC_IDX_MAX)];
2947 struct event_constraint *c;
2948 int i, wmin, wmax, ret = 0;
2949 struct hw_perf_event *hwc;
2950
2951 bitmap_zero(used_mask, UNCORE_PMC_IDX_MAX);
2952
2953 for (i = 0, wmin = UNCORE_PMC_IDX_MAX, wmax = 0; i < n; i++) {
2954 hwc = &box->event_list[i]->hw;
2955 c = uncore_get_event_constraint(box, box->event_list[i]);
2956 hwc->constraint = c;
2957 wmin = min(wmin, c->weight);
2958 wmax = max(wmax, c->weight);
2959 }
2960
2961 /* fastpath, try to reuse previous register */
2962 for (i = 0; i < n; i++) {
2963 hwc = &box->event_list[i]->hw;
2964 c = hwc->constraint;
2965
2966 /* never assigned */
2967 if (hwc->idx == -1)
2968 break;
2969
2970 /* constraint still honored */
2971 if (!test_bit(hwc->idx, c->idxmsk))
2972 break;
2973
2974 /* not already used */
2975 if (test_bit(hwc->idx, used_mask))
2976 break;
2977
2978 __set_bit(hwc->idx, used_mask);
2979 if (assign)
2980 assign[i] = hwc->idx;
2981 }
2982 /* slow path */
2983 if (i != n)
2984 ret = perf_assign_events(box->event_list, n,
2985 wmin, wmax, assign);
2986
2987 if (!assign || ret) {
2988 for (i = 0; i < n; i++)
2989 uncore_put_event_constraint(box, box->event_list[i]);
2990 }
2991 return ret ? -EINVAL : 0;
2992 }
2993
2994 static void uncore_pmu_event_start(struct perf_event *event, int flags)
2995 {
2996 struct intel_uncore_box *box = uncore_event_to_box(event);
2997 int idx = event->hw.idx;
2998
2999 if (WARN_ON_ONCE(!(event->hw.state & PERF_HES_STOPPED)))
3000 return;
3001
3002 if (WARN_ON_ONCE(idx == -1 || idx >= UNCORE_PMC_IDX_MAX))
3003 return;
3004
3005 event->hw.state = 0;
3006 box->events[idx] = event;
3007 box->n_active++;
3008 __set_bit(idx, box->active_mask);
3009
3010 local64_set(&event->hw.prev_count, uncore_read_counter(box, event));
3011 uncore_enable_event(box, event);
3012
3013 if (box->n_active == 1) {
3014 uncore_enable_box(box);
3015 uncore_pmu_start_hrtimer(box);
3016 }
3017 }
3018
3019 static void uncore_pmu_event_stop(struct perf_event *event, int flags)
3020 {
3021 struct intel_uncore_box *box = uncore_event_to_box(event);
3022 struct hw_perf_event *hwc = &event->hw;
3023
3024 if (__test_and_clear_bit(hwc->idx, box->active_mask)) {
3025 uncore_disable_event(box, event);
3026 box->n_active--;
3027 box->events[hwc->idx] = NULL;
3028 WARN_ON_ONCE(hwc->state & PERF_HES_STOPPED);
3029 hwc->state |= PERF_HES_STOPPED;
3030
3031 if (box->n_active == 0) {
3032 uncore_disable_box(box);
3033 uncore_pmu_cancel_hrtimer(box);
3034 }
3035 }
3036
3037 if ((flags & PERF_EF_UPDATE) && !(hwc->state & PERF_HES_UPTODATE)) {
3038 /*
3039 * Drain the remaining delta count out of a event
3040 * that we are disabling:
3041 */
3042 uncore_perf_event_update(box, event);
3043 hwc->state |= PERF_HES_UPTODATE;
3044 }
3045 }
3046
3047 static int uncore_pmu_event_add(struct perf_event *event, int flags)
3048 {
3049 struct intel_uncore_box *box = uncore_event_to_box(event);
3050 struct hw_perf_event *hwc = &event->hw;
3051 int assign[UNCORE_PMC_IDX_MAX];
3052 int i, n, ret;
3053
3054 if (!box)
3055 return -ENODEV;
3056
3057 ret = n = uncore_collect_events(box, event, false);
3058 if (ret < 0)
3059 return ret;
3060
3061 hwc->state = PERF_HES_UPTODATE | PERF_HES_STOPPED;
3062 if (!(flags & PERF_EF_START))
3063 hwc->state |= PERF_HES_ARCH;
3064
3065 ret = uncore_assign_events(box, assign, n);
3066 if (ret)
3067 return ret;
3068
3069 /* save events moving to new counters */
3070 for (i = 0; i < box->n_events; i++) {
3071 event = box->event_list[i];
3072 hwc = &event->hw;
3073
3074 if (hwc->idx == assign[i] &&
3075 hwc->last_tag == box->tags[assign[i]])
3076 continue;
3077 /*
3078 * Ensure we don't accidentally enable a stopped
3079 * counter simply because we rescheduled.
3080 */
3081 if (hwc->state & PERF_HES_STOPPED)
3082 hwc->state |= PERF_HES_ARCH;
3083
3084 uncore_pmu_event_stop(event, PERF_EF_UPDATE);
3085 }
3086
3087 /* reprogram moved events into new counters */
3088 for (i = 0; i < n; i++) {
3089 event = box->event_list[i];
3090 hwc = &event->hw;
3091
3092 if (hwc->idx != assign[i] ||
3093 hwc->last_tag != box->tags[assign[i]])
3094 uncore_assign_hw_event(box, event, assign[i]);
3095 else if (i < box->n_events)
3096 continue;
3097
3098 if (hwc->state & PERF_HES_ARCH)
3099 continue;
3100
3101 uncore_pmu_event_start(event, 0);
3102 }
3103 box->n_events = n;
3104
3105 return 0;
3106 }
3107
3108 static void uncore_pmu_event_del(struct perf_event *event, int flags)
3109 {
3110 struct intel_uncore_box *box = uncore_event_to_box(event);
3111 int i;
3112
3113 uncore_pmu_event_stop(event, PERF_EF_UPDATE);
3114
3115 for (i = 0; i < box->n_events; i++) {
3116 if (event == box->event_list[i]) {
3117 uncore_put_event_constraint(box, event);
3118
3119 while (++i < box->n_events)
3120 box->event_list[i - 1] = box->event_list[i];
3121
3122 --box->n_events;
3123 break;
3124 }
3125 }
3126
3127 event->hw.idx = -1;
3128 event->hw.last_tag = ~0ULL;
3129 }
3130
3131 static void uncore_pmu_event_read(struct perf_event *event)
3132 {
3133 struct intel_uncore_box *box = uncore_event_to_box(event);
3134 uncore_perf_event_update(box, event);
3135 }
3136
3137 /*
3138 * validation ensures the group can be loaded onto the
3139 * PMU if it was the only group available.
3140 */
3141 static int uncore_validate_group(struct intel_uncore_pmu *pmu,
3142 struct perf_event *event)
3143 {
3144 struct perf_event *leader = event->group_leader;
3145 struct intel_uncore_box *fake_box;
3146 int ret = -EINVAL, n;
3147
3148 fake_box = uncore_alloc_box(pmu->type, NUMA_NO_NODE);
3149 if (!fake_box)
3150 return -ENOMEM;
3151
3152 fake_box->pmu = pmu;
3153 /*
3154 * the event is not yet connected with its
3155 * siblings therefore we must first collect
3156 * existing siblings, then add the new event
3157 * before we can simulate the scheduling
3158 */
3159 n = uncore_collect_events(fake_box, leader, true);
3160 if (n < 0)
3161 goto out;
3162
3163 fake_box->n_events = n;
3164 n = uncore_collect_events(fake_box, event, false);
3165 if (n < 0)
3166 goto out;
3167
3168 fake_box->n_events = n;
3169
3170 ret = uncore_assign_events(fake_box, NULL, n);
3171 out:
3172 kfree(fake_box);
3173 return ret;
3174 }
3175
3176 static int uncore_pmu_event_init(struct perf_event *event)
3177 {
3178 struct intel_uncore_pmu *pmu;
3179 struct intel_uncore_box *box;
3180 struct hw_perf_event *hwc = &event->hw;
3181 int ret;
3182
3183 if (event->attr.type != event->pmu->type)
3184 return -ENOENT;
3185
3186 pmu = uncore_event_to_pmu(event);
3187 /* no device found for this pmu */
3188 if (pmu->func_id < 0)
3189 return -ENOENT;
3190
3191 /*
3192 * Uncore PMU does measure at all privilege level all the time.
3193 * So it doesn't make sense to specify any exclude bits.
3194 */
3195 if (event->attr.exclude_user || event->attr.exclude_kernel ||
3196 event->attr.exclude_hv || event->attr.exclude_idle)
3197 return -EINVAL;
3198
3199 /* Sampling not supported yet */
3200 if (hwc->sample_period)
3201 return -EINVAL;
3202
3203 /*
3204 * Place all uncore events for a particular physical package
3205 * onto a single cpu
3206 */
3207 if (event->cpu < 0)
3208 return -EINVAL;
3209 box = uncore_pmu_to_box(pmu, event->cpu);
3210 if (!box || box->cpu < 0)
3211 return -EINVAL;
3212 event->cpu = box->cpu;
3213
3214 event->hw.idx = -1;
3215 event->hw.last_tag = ~0ULL;
3216 event->hw.extra_reg.idx = EXTRA_REG_NONE;
3217 event->hw.branch_reg.idx = EXTRA_REG_NONE;
3218
3219 if (event->attr.config == UNCORE_FIXED_EVENT) {
3220 /* no fixed counter */
3221 if (!pmu->type->fixed_ctl)
3222 return -EINVAL;
3223 /*
3224 * if there is only one fixed counter, only the first pmu
3225 * can access the fixed counter
3226 */
3227 if (pmu->type->single_fixed && pmu->pmu_idx > 0)
3228 return -EINVAL;
3229
3230 /* fixed counters have event field hardcoded to zero */
3231 hwc->config = 0ULL;
3232 } else {
3233 hwc->config = event->attr.config & pmu->type->event_mask;
3234 if (pmu->type->ops->hw_config) {
3235 ret = pmu->type->ops->hw_config(box, event);
3236 if (ret)
3237 return ret;
3238 }
3239 }
3240
3241 if (event->group_leader != event)
3242 ret = uncore_validate_group(pmu, event);
3243 else
3244 ret = 0;
3245
3246 return ret;
3247 }
3248
3249 static ssize_t uncore_get_attr_cpumask(struct device *dev,
3250 struct device_attribute *attr, char *buf)
3251 {
3252 int n = cpulist_scnprintf(buf, PAGE_SIZE - 2, &uncore_cpu_mask);
3253
3254 buf[n++] = '\n';
3255 buf[n] = '\0';
3256 return n;
3257 }
3258
3259 static DEVICE_ATTR(cpumask, S_IRUGO, uncore_get_attr_cpumask, NULL);
3260
3261 static struct attribute *uncore_pmu_attrs[] = {
3262 &dev_attr_cpumask.attr,
3263 NULL,
3264 };
3265
3266 static struct attribute_group uncore_pmu_attr_group = {
3267 .attrs = uncore_pmu_attrs,
3268 };
3269
3270 static int __init uncore_pmu_register(struct intel_uncore_pmu *pmu)
3271 {
3272 int ret;
3273
3274 pmu->pmu = (struct pmu) {
3275 .attr_groups = pmu->type->attr_groups,
3276 .task_ctx_nr = perf_invalid_context,
3277 .event_init = uncore_pmu_event_init,
3278 .add = uncore_pmu_event_add,
3279 .del = uncore_pmu_event_del,
3280 .start = uncore_pmu_event_start,
3281 .stop = uncore_pmu_event_stop,
3282 .read = uncore_pmu_event_read,
3283 };
3284
3285 if (pmu->type->num_boxes == 1) {
3286 if (strlen(pmu->type->name) > 0)
3287 sprintf(pmu->name, "uncore_%s", pmu->type->name);
3288 else
3289 sprintf(pmu->name, "uncore");
3290 } else {
3291 sprintf(pmu->name, "uncore_%s_%d", pmu->type->name,
3292 pmu->pmu_idx);
3293 }
3294
3295 ret = perf_pmu_register(&pmu->pmu, pmu->name, -1);
3296 return ret;
3297 }
3298
3299 static void __init uncore_type_exit(struct intel_uncore_type *type)
3300 {
3301 int i;
3302
3303 for (i = 0; i < type->num_boxes; i++)
3304 free_percpu(type->pmus[i].box);
3305 kfree(type->pmus);
3306 type->pmus = NULL;
3307 kfree(type->events_group);
3308 type->events_group = NULL;
3309 }
3310
3311 static void __init uncore_types_exit(struct intel_uncore_type **types)
3312 {
3313 int i;
3314 for (i = 0; types[i]; i++)
3315 uncore_type_exit(types[i]);
3316 }
3317
3318 static int __init uncore_type_init(struct intel_uncore_type *type)
3319 {
3320 struct intel_uncore_pmu *pmus;
3321 struct attribute_group *attr_group;
3322 struct attribute **attrs;
3323 int i, j;
3324
3325 pmus = kzalloc(sizeof(*pmus) * type->num_boxes, GFP_KERNEL);
3326 if (!pmus)
3327 return -ENOMEM;
3328
3329 type->unconstrainted = (struct event_constraint)
3330 __EVENT_CONSTRAINT(0, (1ULL << type->num_counters) - 1,
3331 0, type->num_counters, 0, 0);
3332
3333 for (i = 0; i < type->num_boxes; i++) {
3334 pmus[i].func_id = -1;
3335 pmus[i].pmu_idx = i;
3336 pmus[i].type = type;
3337 INIT_LIST_HEAD(&pmus[i].box_list);
3338 pmus[i].box = alloc_percpu(struct intel_uncore_box *);
3339 if (!pmus[i].box)
3340 goto fail;
3341 }
3342
3343 if (type->event_descs) {
3344 i = 0;
3345 while (type->event_descs[i].attr.attr.name)
3346 i++;
3347
3348 attr_group = kzalloc(sizeof(struct attribute *) * (i + 1) +
3349 sizeof(*attr_group), GFP_KERNEL);
3350 if (!attr_group)
3351 goto fail;
3352
3353 attrs = (struct attribute **)(attr_group + 1);
3354 attr_group->name = "events";
3355 attr_group->attrs = attrs;
3356
3357 for (j = 0; j < i; j++)
3358 attrs[j] = &type->event_descs[j].attr.attr;
3359
3360 type->events_group = attr_group;
3361 }
3362
3363 type->pmu_group = &uncore_pmu_attr_group;
3364 type->pmus = pmus;
3365 return 0;
3366 fail:
3367 uncore_type_exit(type);
3368 return -ENOMEM;
3369 }
3370
3371 static int __init uncore_types_init(struct intel_uncore_type **types)
3372 {
3373 int i, ret;
3374
3375 for (i = 0; types[i]; i++) {
3376 ret = uncore_type_init(types[i]);
3377 if (ret)
3378 goto fail;
3379 }
3380 return 0;
3381 fail:
3382 while (--i >= 0)
3383 uncore_type_exit(types[i]);
3384 return ret;
3385 }
3386
3387 static struct pci_driver *uncore_pci_driver;
3388 static bool pcidrv_registered;
3389
3390 /*
3391 * add a pci uncore device
3392 */
3393 static int uncore_pci_probe(struct pci_dev *pdev, const struct pci_device_id *id)
3394 {
3395 struct intel_uncore_pmu *pmu;
3396 struct intel_uncore_box *box;
3397 struct intel_uncore_type *type;
3398 int phys_id;
3399
3400 phys_id = pcibus_to_physid[pdev->bus->number];
3401 if (phys_id < 0)
3402 return -ENODEV;
3403
3404 if (UNCORE_PCI_DEV_TYPE(id->driver_data) == UNCORE_EXTRA_PCI_DEV) {
3405 extra_pci_dev[phys_id][UNCORE_PCI_DEV_IDX(id->driver_data)] = pdev;
3406 pci_set_drvdata(pdev, NULL);
3407 return 0;
3408 }
3409
3410 type = pci_uncores[UNCORE_PCI_DEV_TYPE(id->driver_data)];
3411 box = uncore_alloc_box(type, NUMA_NO_NODE);
3412 if (!box)
3413 return -ENOMEM;
3414
3415 /*
3416 * for performance monitoring unit with multiple boxes,
3417 * each box has a different function id.
3418 */
3419 pmu = &type->pmus[UNCORE_PCI_DEV_IDX(id->driver_data)];
3420 if (pmu->func_id < 0)
3421 pmu->func_id = pdev->devfn;
3422 else
3423 WARN_ON_ONCE(pmu->func_id != pdev->devfn);
3424
3425 box->phys_id = phys_id;
3426 box->pci_dev = pdev;
3427 box->pmu = pmu;
3428 uncore_box_init(box);
3429 pci_set_drvdata(pdev, box);
3430
3431 raw_spin_lock(&uncore_box_lock);
3432 list_add_tail(&box->list, &pmu->box_list);
3433 raw_spin_unlock(&uncore_box_lock);
3434
3435 return 0;
3436 }
3437
3438 static void uncore_pci_remove(struct pci_dev *pdev)
3439 {
3440 struct intel_uncore_box *box = pci_get_drvdata(pdev);
3441 struct intel_uncore_pmu *pmu;
3442 int i, cpu, phys_id = pcibus_to_physid[pdev->bus->number];
3443
3444 box = pci_get_drvdata(pdev);
3445 if (!box) {
3446 for (i = 0; i < UNCORE_EXTRA_PCI_DEV_MAX; i++) {
3447 if (extra_pci_dev[phys_id][i] == pdev) {
3448 extra_pci_dev[phys_id][i] = NULL;
3449 break;
3450 }
3451 }
3452 WARN_ON_ONCE(i >= UNCORE_EXTRA_PCI_DEV_MAX);
3453 return;
3454 }
3455
3456 pmu = box->pmu;
3457 if (WARN_ON_ONCE(phys_id != box->phys_id))
3458 return;
3459
3460 pci_set_drvdata(pdev, NULL);
3461
3462 raw_spin_lock(&uncore_box_lock);
3463 list_del(&box->list);
3464 raw_spin_unlock(&uncore_box_lock);
3465
3466 for_each_possible_cpu(cpu) {
3467 if (*per_cpu_ptr(pmu->box, cpu) == box) {
3468 *per_cpu_ptr(pmu->box, cpu) = NULL;
3469 atomic_dec(&box->refcnt);
3470 }
3471 }
3472
3473 WARN_ON_ONCE(atomic_read(&box->refcnt) != 1);
3474 kfree(box);
3475 }
3476
3477 static int __init uncore_pci_init(void)
3478 {
3479 int ret;
3480
3481 switch (boot_cpu_data.x86_model) {
3482 case 45: /* Sandy Bridge-EP */
3483 ret = snbep_pci2phy_map_init(0x3ce0);
3484 if (ret)
3485 return ret;
3486 pci_uncores = snbep_pci_uncores;
3487 uncore_pci_driver = &snbep_uncore_pci_driver;
3488 break;
3489 case 62: /* IvyTown */
3490 ret = snbep_pci2phy_map_init(0x0e1e);
3491 if (ret)
3492 return ret;
3493 pci_uncores = ivt_pci_uncores;
3494 uncore_pci_driver = &ivt_uncore_pci_driver;
3495 break;
3496 default:
3497 return 0;
3498 }
3499
3500 ret = uncore_types_init(pci_uncores);
3501 if (ret)
3502 return ret;
3503
3504 uncore_pci_driver->probe = uncore_pci_probe;
3505 uncore_pci_driver->remove = uncore_pci_remove;
3506
3507 ret = pci_register_driver(uncore_pci_driver);
3508 if (ret == 0)
3509 pcidrv_registered = true;
3510 else
3511 uncore_types_exit(pci_uncores);
3512
3513 return ret;
3514 }
3515
3516 static void __init uncore_pci_exit(void)
3517 {
3518 if (pcidrv_registered) {
3519 pcidrv_registered = false;
3520 pci_unregister_driver(uncore_pci_driver);
3521 uncore_types_exit(pci_uncores);
3522 }
3523 }
3524
3525 /* CPU hot plug/unplug are serialized by cpu_add_remove_lock mutex */
3526 static LIST_HEAD(boxes_to_free);
3527
3528 static void uncore_kfree_boxes(void)
3529 {
3530 struct intel_uncore_box *box;
3531
3532 while (!list_empty(&boxes_to_free)) {
3533 box = list_entry(boxes_to_free.next,
3534 struct intel_uncore_box, list);
3535 list_del(&box->list);
3536 kfree(box);
3537 }
3538 }
3539
3540 static void uncore_cpu_dying(int cpu)
3541 {
3542 struct intel_uncore_type *type;
3543 struct intel_uncore_pmu *pmu;
3544 struct intel_uncore_box *box;
3545 int i, j;
3546
3547 for (i = 0; msr_uncores[i]; i++) {
3548 type = msr_uncores[i];
3549 for (j = 0; j < type->num_boxes; j++) {
3550 pmu = &type->pmus[j];
3551 box = *per_cpu_ptr(pmu->box, cpu);
3552 *per_cpu_ptr(pmu->box, cpu) = NULL;
3553 if (box && atomic_dec_and_test(&box->refcnt))
3554 list_add(&box->list, &boxes_to_free);
3555 }
3556 }
3557 }
3558
3559 static int uncore_cpu_starting(int cpu)
3560 {
3561 struct intel_uncore_type *type;
3562 struct intel_uncore_pmu *pmu;
3563 struct intel_uncore_box *box, *exist;
3564 int i, j, k, phys_id;
3565
3566 phys_id = topology_physical_package_id(cpu);
3567
3568 for (i = 0; msr_uncores[i]; i++) {
3569 type = msr_uncores[i];
3570 for (j = 0; j < type->num_boxes; j++) {
3571 pmu = &type->pmus[j];
3572 box = *per_cpu_ptr(pmu->box, cpu);
3573 /* called by uncore_cpu_init? */
3574 if (box && box->phys_id >= 0) {
3575 uncore_box_init(box);
3576 continue;
3577 }
3578
3579 for_each_online_cpu(k) {
3580 exist = *per_cpu_ptr(pmu->box, k);
3581 if (exist && exist->phys_id == phys_id) {
3582 atomic_inc(&exist->refcnt);
3583 *per_cpu_ptr(pmu->box, cpu) = exist;
3584 if (box) {
3585 list_add(&box->list,
3586 &boxes_to_free);
3587 box = NULL;
3588 }
3589 break;
3590 }
3591 }
3592
3593 if (box) {
3594 box->phys_id = phys_id;
3595 uncore_box_init(box);
3596 }
3597 }
3598 }
3599 return 0;
3600 }
3601
3602 static int uncore_cpu_prepare(int cpu, int phys_id)
3603 {
3604 struct intel_uncore_type *type;
3605 struct intel_uncore_pmu *pmu;
3606 struct intel_uncore_box *box;
3607 int i, j;
3608
3609 for (i = 0; msr_uncores[i]; i++) {
3610 type = msr_uncores[i];
3611 for (j = 0; j < type->num_boxes; j++) {
3612 pmu = &type->pmus[j];
3613 if (pmu->func_id < 0)
3614 pmu->func_id = j;
3615
3616 box = uncore_alloc_box(type, cpu_to_node(cpu));
3617 if (!box)
3618 return -ENOMEM;
3619
3620 box->pmu = pmu;
3621 box->phys_id = phys_id;
3622 *per_cpu_ptr(pmu->box, cpu) = box;
3623 }
3624 }
3625 return 0;
3626 }
3627
3628 static void
3629 uncore_change_context(struct intel_uncore_type **uncores, int old_cpu, int new_cpu)
3630 {
3631 struct intel_uncore_type *type;
3632 struct intel_uncore_pmu *pmu;
3633 struct intel_uncore_box *box;
3634 int i, j;
3635
3636 for (i = 0; uncores[i]; i++) {
3637 type = uncores[i];
3638 for (j = 0; j < type->num_boxes; j++) {
3639 pmu = &type->pmus[j];
3640 if (old_cpu < 0)
3641 box = uncore_pmu_to_box(pmu, new_cpu);
3642 else
3643 box = uncore_pmu_to_box(pmu, old_cpu);
3644 if (!box)
3645 continue;
3646
3647 if (old_cpu < 0) {
3648 WARN_ON_ONCE(box->cpu != -1);
3649 box->cpu = new_cpu;
3650 continue;
3651 }
3652
3653 WARN_ON_ONCE(box->cpu != old_cpu);
3654 if (new_cpu >= 0) {
3655 uncore_pmu_cancel_hrtimer(box);
3656 perf_pmu_migrate_context(&pmu->pmu,
3657 old_cpu, new_cpu);
3658 box->cpu = new_cpu;
3659 } else {
3660 box->cpu = -1;
3661 }
3662 }
3663 }
3664 }
3665
3666 static void uncore_event_exit_cpu(int cpu)
3667 {
3668 int i, phys_id, target;
3669
3670 /* if exiting cpu is used for collecting uncore events */
3671 if (!cpumask_test_and_clear_cpu(cpu, &uncore_cpu_mask))
3672 return;
3673
3674 /* find a new cpu to collect uncore events */
3675 phys_id = topology_physical_package_id(cpu);
3676 target = -1;
3677 for_each_online_cpu(i) {
3678 if (i == cpu)
3679 continue;
3680 if (phys_id == topology_physical_package_id(i)) {
3681 target = i;
3682 break;
3683 }
3684 }
3685
3686 /* migrate uncore events to the new cpu */
3687 if (target >= 0)
3688 cpumask_set_cpu(target, &uncore_cpu_mask);
3689
3690 uncore_change_context(msr_uncores, cpu, target);
3691 uncore_change_context(pci_uncores, cpu, target);
3692 }
3693
3694 static void uncore_event_init_cpu(int cpu)
3695 {
3696 int i, phys_id;
3697
3698 phys_id = topology_physical_package_id(cpu);
3699 for_each_cpu(i, &uncore_cpu_mask) {
3700 if (phys_id == topology_physical_package_id(i))
3701 return;
3702 }
3703
3704 cpumask_set_cpu(cpu, &uncore_cpu_mask);
3705
3706 uncore_change_context(msr_uncores, -1, cpu);
3707 uncore_change_context(pci_uncores, -1, cpu);
3708 }
3709
3710 static int uncore_cpu_notifier(struct notifier_block *self,
3711 unsigned long action, void *hcpu)
3712 {
3713 unsigned int cpu = (long)hcpu;
3714
3715 /* allocate/free data structure for uncore box */
3716 switch (action & ~CPU_TASKS_FROZEN) {
3717 case CPU_UP_PREPARE:
3718 uncore_cpu_prepare(cpu, -1);
3719 break;
3720 case CPU_STARTING:
3721 uncore_cpu_starting(cpu);
3722 break;
3723 case CPU_UP_CANCELED:
3724 case CPU_DYING:
3725 uncore_cpu_dying(cpu);
3726 break;
3727 case CPU_ONLINE:
3728 case CPU_DEAD:
3729 uncore_kfree_boxes();
3730 break;
3731 default:
3732 break;
3733 }
3734
3735 /* select the cpu that collects uncore events */
3736 switch (action & ~CPU_TASKS_FROZEN) {
3737 case CPU_DOWN_FAILED:
3738 case CPU_STARTING:
3739 uncore_event_init_cpu(cpu);
3740 break;
3741 case CPU_DOWN_PREPARE:
3742 uncore_event_exit_cpu(cpu);
3743 break;
3744 default:
3745 break;
3746 }
3747
3748 return NOTIFY_OK;
3749 }
3750
3751 static struct notifier_block uncore_cpu_nb = {
3752 .notifier_call = uncore_cpu_notifier,
3753 /*
3754 * to migrate uncore events, our notifier should be executed
3755 * before perf core's notifier.
3756 */
3757 .priority = CPU_PRI_PERF + 1,
3758 };
3759
3760 static void __init uncore_cpu_setup(void *dummy)
3761 {
3762 uncore_cpu_starting(smp_processor_id());
3763 }
3764
3765 static int __init uncore_cpu_init(void)
3766 {
3767 int ret, cpu, max_cores;
3768
3769 max_cores = boot_cpu_data.x86_max_cores;
3770 switch (boot_cpu_data.x86_model) {
3771 case 26: /* Nehalem */
3772 case 30:
3773 case 37: /* Westmere */
3774 case 44:
3775 msr_uncores = nhm_msr_uncores;
3776 break;
3777 case 42: /* Sandy Bridge */
3778 case 58: /* Ivy Bridge */
3779 if (snb_uncore_cbox.num_boxes > max_cores)
3780 snb_uncore_cbox.num_boxes = max_cores;
3781 msr_uncores = snb_msr_uncores;
3782 break;
3783 case 45: /* Sandy Bridge-EP */
3784 if (snbep_uncore_cbox.num_boxes > max_cores)
3785 snbep_uncore_cbox.num_boxes = max_cores;
3786 msr_uncores = snbep_msr_uncores;
3787 break;
3788 case 46: /* Nehalem-EX */
3789 uncore_nhmex = true;
3790 case 47: /* Westmere-EX aka. Xeon E7 */
3791 if (!uncore_nhmex)
3792 nhmex_uncore_mbox.event_descs = wsmex_uncore_mbox_events;
3793 if (nhmex_uncore_cbox.num_boxes > max_cores)
3794 nhmex_uncore_cbox.num_boxes = max_cores;
3795 msr_uncores = nhmex_msr_uncores;
3796 break;
3797 case 62: /* IvyTown */
3798 if (ivt_uncore_cbox.num_boxes > max_cores)
3799 ivt_uncore_cbox.num_boxes = max_cores;
3800 msr_uncores = ivt_msr_uncores;
3801 break;
3802
3803 default:
3804 return 0;
3805 }
3806
3807 ret = uncore_types_init(msr_uncores);
3808 if (ret)
3809 return ret;
3810
3811 get_online_cpus();
3812
3813 for_each_online_cpu(cpu) {
3814 int i, phys_id = topology_physical_package_id(cpu);
3815
3816 for_each_cpu(i, &uncore_cpu_mask) {
3817 if (phys_id == topology_physical_package_id(i)) {
3818 phys_id = -1;
3819 break;
3820 }
3821 }
3822 if (phys_id < 0)
3823 continue;
3824
3825 uncore_cpu_prepare(cpu, phys_id);
3826 uncore_event_init_cpu(cpu);
3827 }
3828 on_each_cpu(uncore_cpu_setup, NULL, 1);
3829
3830 register_cpu_notifier(&uncore_cpu_nb);
3831
3832 put_online_cpus();
3833
3834 return 0;
3835 }
3836
3837 static int __init uncore_pmus_register(void)
3838 {
3839 struct intel_uncore_pmu *pmu;
3840 struct intel_uncore_type *type;
3841 int i, j;
3842
3843 for (i = 0; msr_uncores[i]; i++) {
3844 type = msr_uncores[i];
3845 for (j = 0; j < type->num_boxes; j++) {
3846 pmu = &type->pmus[j];
3847 uncore_pmu_register(pmu);
3848 }
3849 }
3850
3851 for (i = 0; pci_uncores[i]; i++) {
3852 type = pci_uncores[i];
3853 for (j = 0; j < type->num_boxes; j++) {
3854 pmu = &type->pmus[j];
3855 uncore_pmu_register(pmu);
3856 }
3857 }
3858
3859 return 0;
3860 }
3861
3862 static int __init intel_uncore_init(void)
3863 {
3864 int ret;
3865
3866 if (boot_cpu_data.x86_vendor != X86_VENDOR_INTEL)
3867 return -ENODEV;
3868
3869 if (cpu_has_hypervisor)
3870 return -ENODEV;
3871
3872 ret = uncore_pci_init();
3873 if (ret)
3874 goto fail;
3875 ret = uncore_cpu_init();
3876 if (ret) {
3877 uncore_pci_exit();
3878 goto fail;
3879 }
3880
3881 uncore_pmus_register();
3882 return 0;
3883 fail:
3884 return ret;
3885 }
3886 device_initcall(intel_uncore_init);
Linux kernel - Deliverables
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