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Commit | Line | Data |
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087bfbb0 YZ |
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; | |
14371cce YZ |
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 | ||
899396cf YZ |
9 | static struct pci_dev *extra_pci_dev[UNCORE_SOCKET_MAX][UNCORE_EXTRA_PCI_DEV_MAX]; |
10 | ||
14371cce | 11 | static DEFINE_RAW_SPINLOCK(uncore_box_lock); |
087bfbb0 YZ |
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); | |
6a67943a YZ |
19 | static struct event_constraint constraint_empty = |
20 | EVENT_CONSTRAINT(0, 0, 0); | |
087bfbb0 | 21 | |
46bdd905 YZ |
22 | #define __BITS_VALUE(x, i, n) ((typeof(x))(((x) >> ((i) * (n))) & \ |
23 | ((1ULL << (n)) - 1))) | |
24 | ||
fcde10e9 | 25 | DEFINE_UNCORE_FORMAT_ATTR(event, event, "config:0-7"); |
c1ece48c | 26 | DEFINE_UNCORE_FORMAT_ATTR(event_ext, event, "config:0-7,21"); |
fcde10e9 YZ |
27 | DEFINE_UNCORE_FORMAT_ATTR(umask, umask, "config:8-15"); |
28 | DEFINE_UNCORE_FORMAT_ATTR(edge, edge, "config:18"); | |
6a67943a | 29 | DEFINE_UNCORE_FORMAT_ATTR(tid_en, tid_en, "config:19"); |
fcde10e9 YZ |
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"); | |
7c94ee2e YZ |
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"); | |
6a67943a | 38 | DEFINE_UNCORE_FORMAT_ATTR(filter_tid, filter_tid, "config1:0-4"); |
e850f9c3 | 39 | DEFINE_UNCORE_FORMAT_ATTR(filter_link, filter_link, "config1:5-8"); |
6a67943a | 40 | DEFINE_UNCORE_FORMAT_ATTR(filter_nid, filter_nid, "config1:10-17"); |
e850f9c3 | 41 | DEFINE_UNCORE_FORMAT_ATTR(filter_nid2, filter_nid, "config1:32-47"); |
6a67943a | 42 | DEFINE_UNCORE_FORMAT_ATTR(filter_state, filter_state, "config1:18-22"); |
e850f9c3 | 43 | DEFINE_UNCORE_FORMAT_ATTR(filter_state2, filter_state, "config1:17-22"); |
6a67943a | 44 | DEFINE_UNCORE_FORMAT_ATTR(filter_opc, filter_opc, "config1:23-31"); |
e850f9c3 | 45 | DEFINE_UNCORE_FORMAT_ATTR(filter_opc2, filter_opc, "config1:52-60"); |
4f3f713f YZ |
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"); | |
fd1ec259 YZ |
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"); | |
7c94ee2e | 68 | |
254298c7 YZ |
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 | ||
46bdd905 YZ |
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 | ||
7c94ee2e | 155 | /* Sandy Bridge-EP uncore support */ |
6a67943a YZ |
156 | static struct intel_uncore_type snbep_uncore_cbox; |
157 | static struct intel_uncore_type snbep_uncore_pcu; | |
158 | ||
7c94ee2e YZ |
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); | |
032c3851 | 163 | u32 config = 0; |
7c94ee2e | 164 | |
032c3851 YZ |
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 | } | |
7c94ee2e YZ |
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); | |
032c3851 | 175 | u32 config = 0; |
7c94ee2e | 176 | |
032c3851 YZ |
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 | } | |
7c94ee2e YZ |
181 | } |
182 | ||
254298c7 | 183 | static void snbep_uncore_pci_enable_event(struct intel_uncore_box *box, struct perf_event *event) |
7c94ee2e YZ |
184 | { |
185 | struct pci_dev *pdev = box->pci_dev; | |
186 | struct hw_perf_event *hwc = &event->hw; | |
187 | ||
254298c7 | 188 | pci_write_config_dword(pdev, hwc->config_base, hwc->config | SNBEP_PMON_CTL_EN); |
7c94ee2e YZ |
189 | } |
190 | ||
254298c7 | 191 | static void snbep_uncore_pci_disable_event(struct intel_uncore_box *box, struct perf_event *event) |
7c94ee2e YZ |
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 | ||
254298c7 | 199 | static u64 snbep_uncore_pci_read_counter(struct intel_uncore_box *box, struct perf_event *event) |
7c94ee2e YZ |
200 | { |
201 | struct pci_dev *pdev = box->pci_dev; | |
202 | struct hw_perf_event *hwc = &event->hw; | |
032c3851 | 203 | u64 count = 0; |
7c94ee2e YZ |
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); | |
254298c7 | 207 | |
7c94ee2e YZ |
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; | |
254298c7 YZ |
214 | |
215 | pci_write_config_dword(pdev, SNBEP_PCI_PMON_BOX_CTL, SNBEP_PMON_BOX_CTL_INT); | |
7c94ee2e YZ |
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); | |
7c94ee2e YZ |
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); | |
7c94ee2e YZ |
241 | } |
242 | } | |
243 | ||
254298c7 | 244 | static void snbep_uncore_msr_enable_event(struct intel_uncore_box *box, struct perf_event *event) |
7c94ee2e YZ |
245 | { |
246 | struct hw_perf_event *hwc = &event->hw; | |
6a67943a YZ |
247 | struct hw_perf_event_extra *reg1 = &hwc->extra_reg; |
248 | ||
249 | if (reg1->idx != EXTRA_REG_NONE) | |
46bdd905 | 250 | wrmsrl(reg1->reg, uncore_shared_reg_config(box, 0)); |
7c94ee2e YZ |
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 | ||
7c94ee2e YZ |
263 | static void snbep_uncore_msr_init_box(struct intel_uncore_box *box) |
264 | { | |
265 | unsigned msr = uncore_msr_box_ctl(box); | |
254298c7 | 266 | |
7c94ee2e YZ |
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 | ||
6a67943a YZ |
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 | ||
7c94ee2e | 303 | static struct attribute *snbep_uncore_pcu_formats_attr[] = { |
77b339bc | 304 | &format_attr_event_ext.attr, |
7c94ee2e YZ |
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, | |
4f3f713f YZ |
311 | &format_attr_filter_band0.attr, |
312 | &format_attr_filter_band1.attr, | |
313 | &format_attr_filter_band2.attr, | |
314 | &format_attr_filter_band3.attr, | |
7c94ee2e YZ |
315 | NULL, |
316 | }; | |
317 | ||
c1ece48c YZ |
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, | |
fd1ec259 YZ |
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, | |
c1ece48c YZ |
342 | NULL, |
343 | }; | |
344 | ||
7c94ee2e | 345 | static struct uncore_event_desc snbep_uncore_imc_events[] = { |
eca26c99 | 346 | INTEL_UNCORE_EVENT_DESC(clockticks, "event=0xff,umask=0x00"), |
2992c542 PZ |
347 | INTEL_UNCORE_EVENT_DESC(cas_count_read, "event=0x04,umask=0x03"), |
348 | INTEL_UNCORE_EVENT_DESC(cas_count_write, "event=0x04,umask=0x0c"), | |
7c94ee2e YZ |
349 | { /* end: all zeroes */ }, |
350 | }; | |
351 | ||
352 | static struct uncore_event_desc snbep_uncore_qpi_events[] = { | |
2992c542 PZ |
353 | INTEL_UNCORE_EVENT_DESC(clockticks, "event=0x14"), |
354 | INTEL_UNCORE_EVENT_DESC(txl_flits_active, "event=0x00,umask=0x06"), | |
c9601247 VW |
355 | INTEL_UNCORE_EVENT_DESC(drs_data, "event=0x102,umask=0x08"), |
356 | INTEL_UNCORE_EVENT_DESC(ncb_data, "event=0x103,umask=0x04"), | |
7c94ee2e YZ |
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 | ||
6a67943a YZ |
370 | static struct attribute_group snbep_uncore_cbox_format_group = { |
371 | .name = "format", | |
372 | .attrs = snbep_uncore_cbox_formats_attr, | |
373 | }; | |
374 | ||
7c94ee2e YZ |
375 | static struct attribute_group snbep_uncore_pcu_format_group = { |
376 | .name = "format", | |
377 | .attrs = snbep_uncore_pcu_formats_attr, | |
378 | }; | |
379 | ||
c1ece48c YZ |
380 | static struct attribute_group snbep_uncore_qpi_format_group = { |
381 | .name = "format", | |
382 | .attrs = snbep_uncore_qpi_formats_attr, | |
383 | }; | |
384 | ||
46bdd905 YZ |
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 | ||
7c94ee2e | 393 | static struct intel_uncore_ops snbep_uncore_msr_ops = { |
46bdd905 | 394 | SNBEP_UNCORE_MSR_OPS_COMMON_INIT(), |
7c94ee2e YZ |
395 | }; |
396 | ||
fd1ec259 YZ |
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 | ||
7c94ee2e | 404 | static struct intel_uncore_ops snbep_uncore_pci_ops = { |
fd1ec259 YZ |
405 | SNBEP_UNCORE_PCI_OPS_COMMON_INIT(), |
406 | .enable_event = snbep_uncore_pci_enable_event, \ | |
7c94ee2e YZ |
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), | |
e850f9c3 | 415 | UNCORE_EVENT_CONSTRAINT(0x09, 0x3), |
7c94ee2e YZ |
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), | |
3b19e4c9 | 423 | EVENT_CONSTRAINT_OVERLAP(0x1f, 0xe, 0xff), |
7c94ee2e YZ |
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), | |
e850f9c3 YZ |
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), | |
7c94ee2e YZ |
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), | |
e850f9c3 YZ |
480 | UNCORE_EVENT_CONSTRAINT(0x38, 0x3), |
481 | UNCORE_EVENT_CONSTRAINT(0x39, 0x3), | |
7c94ee2e YZ |
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 | ||
46bdd905 YZ |
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 | ||
b2fa344d | 580 | return NULL; |
46bdd905 YZ |
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 | ||
7c94ee2e | 639 | static struct intel_uncore_type snbep_uncore_cbox = { |
6a67943a YZ |
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, | |
46bdd905 | 651 | .ops = &snbep_uncore_cbox_ops, |
6a67943a | 652 | .format_group = &snbep_uncore_cbox_format_group, |
7c94ee2e YZ |
653 | }; |
654 | ||
46bdd905 YZ |
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: | |
13acac30 | 688 | mask = 0xffULL << (idx * 8); |
46bdd905 YZ |
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 | ||
7c94ee2e | 749 | static struct intel_uncore_type snbep_uncore_pcu = { |
6a67943a YZ |
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, | |
46bdd905 | 759 | .ops = &snbep_uncore_pcu_ops, |
6a67943a | 760 | .format_group = &snbep_uncore_pcu_format_group, |
7c94ee2e YZ |
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 | ||
fd1ec259 YZ |
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 | ||
7c94ee2e YZ |
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 = { | |
fd1ec259 YZ |
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, | |
7c94ee2e YZ |
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 | ||
e850f9c3 YZ |
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 | ||
7c94ee2e | 895 | static struct intel_uncore_type *snbep_pci_uncores[] = { |
e850f9c3 YZ |
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, | |
7c94ee2e YZ |
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), | |
899396cf | 907 | .driver_data = UNCORE_PCI_DEV_DATA(SNBEP_PCI_UNCORE_HA, 0), |
7c94ee2e YZ |
908 | }, |
909 | { /* MC Channel 0 */ | |
910 | PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_UNC_IMC0), | |
899396cf | 911 | .driver_data = UNCORE_PCI_DEV_DATA(SNBEP_PCI_UNCORE_IMC, 0), |
7c94ee2e YZ |
912 | }, |
913 | { /* MC Channel 1 */ | |
914 | PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_UNC_IMC1), | |
899396cf | 915 | .driver_data = UNCORE_PCI_DEV_DATA(SNBEP_PCI_UNCORE_IMC, 1), |
7c94ee2e YZ |
916 | }, |
917 | { /* MC Channel 2 */ | |
918 | PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_UNC_IMC2), | |
899396cf | 919 | .driver_data = UNCORE_PCI_DEV_DATA(SNBEP_PCI_UNCORE_IMC, 2), |
7c94ee2e YZ |
920 | }, |
921 | { /* MC Channel 3 */ | |
922 | PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_UNC_IMC3), | |
899396cf | 923 | .driver_data = UNCORE_PCI_DEV_DATA(SNBEP_PCI_UNCORE_IMC, 3), |
7c94ee2e YZ |
924 | }, |
925 | { /* QPI Port 0 */ | |
926 | PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_UNC_QPI0), | |
899396cf | 927 | .driver_data = UNCORE_PCI_DEV_DATA(SNBEP_PCI_UNCORE_QPI, 0), |
7c94ee2e YZ |
928 | }, |
929 | { /* QPI Port 1 */ | |
930 | PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_UNC_QPI1), | |
899396cf | 931 | .driver_data = UNCORE_PCI_DEV_DATA(SNBEP_PCI_UNCORE_QPI, 1), |
7c94ee2e | 932 | }, |
e850f9c3 | 933 | { /* R2PCIe */ |
7c94ee2e | 934 | PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_UNC_R2PCIE), |
899396cf | 935 | .driver_data = UNCORE_PCI_DEV_DATA(SNBEP_PCI_UNCORE_R2PCIE, 0), |
7c94ee2e YZ |
936 | }, |
937 | { /* R3QPI Link 0 */ | |
938 | PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_UNC_R3QPI0), | |
899396cf | 939 | .driver_data = UNCORE_PCI_DEV_DATA(SNBEP_PCI_UNCORE_R3QPI, 0), |
7c94ee2e YZ |
940 | }, |
941 | { /* R3QPI Link 1 */ | |
942 | PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_UNC_R3QPI1), | |
899396cf | 943 | .driver_data = UNCORE_PCI_DEV_DATA(SNBEP_PCI_UNCORE_R3QPI, 1), |
7c94ee2e | 944 | }, |
fd1ec259 YZ |
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 | }, | |
7c94ee2e YZ |
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 | */ | |
e850f9c3 | 966 | static int snbep_pci2phy_map_init(int devid) |
7c94ee2e YZ |
967 | { |
968 | struct pci_dev *ubox_dev = NULL; | |
969 | int i, bus, nodeid; | |
032c3851 YZ |
970 | int err = 0; |
971 | u32 config = 0; | |
7c94ee2e YZ |
972 | |
973 | while (1) { | |
974 | /* find the UBOX device */ | |
e850f9c3 | 975 | ubox_dev = pci_get_device(PCI_VENDOR_ID_INTEL, devid, ubox_dev); |
7c94ee2e YZ |
976 | if (!ubox_dev) |
977 | break; | |
978 | bus = ubox_dev->bus->number; | |
979 | /* get the Node ID of the local register */ | |
032c3851 YZ |
980 | err = pci_read_config_dword(ubox_dev, 0x40, &config); |
981 | if (err) | |
982 | break; | |
7c94ee2e YZ |
983 | nodeid = config; |
984 | /* get the Node ID mapping */ | |
032c3851 YZ |
985 | err = pci_read_config_dword(ubox_dev, 0x54, &config); |
986 | if (err) | |
987 | break; | |
7c94ee2e | 988 | /* |
254298c7 YZ |
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 | } | |
e850f9c3 | 998 | } |
032c3851 | 999 | |
f891d8cf YZ |
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 | ||
032c3851 YZ |
1014 | if (ubox_dev) |
1015 | pci_dev_put(ubox_dev); | |
1016 | ||
1017 | return err ? pcibios_err_to_errno(err) : 0; | |
254298c7 YZ |
1018 | } |
1019 | /* end of Sandy Bridge-EP uncore support */ | |
1020 | ||
e850f9c3 YZ |
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, | |
d1e8f4a8 YZ |
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, | |
e850f9c3 YZ |
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 | ||
f891d8cf YZ |
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 | ||
d1e8f4a8 YZ |
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 | ||
e850f9c3 | 1412 | static struct intel_uncore_type ivt_uncore_qpi = { |
d1e8f4a8 YZ |
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, | |
e850f9c3 YZ |
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, | |
f891d8cf | 1447 | IVT_PCI_UNCORE_IRP, |
e850f9c3 YZ |
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, | |
f891d8cf | 1456 | [IVT_PCI_UNCORE_IRP] = &ivt_uncore_irp, |
e850f9c3 YZ |
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), | |
899396cf | 1466 | .driver_data = UNCORE_PCI_DEV_DATA(IVT_PCI_UNCORE_HA, 0), |
e850f9c3 YZ |
1467 | }, |
1468 | { /* Home Agent 1 */ | |
1469 | PCI_DEVICE(PCI_VENDOR_ID_INTEL, 0xe38), | |
899396cf | 1470 | .driver_data = UNCORE_PCI_DEV_DATA(IVT_PCI_UNCORE_HA, 1), |
e850f9c3 YZ |
1471 | }, |
1472 | { /* MC0 Channel 0 */ | |
1473 | PCI_DEVICE(PCI_VENDOR_ID_INTEL, 0xeb4), | |
899396cf | 1474 | .driver_data = UNCORE_PCI_DEV_DATA(IVT_PCI_UNCORE_IMC, 0), |
e850f9c3 YZ |
1475 | }, |
1476 | { /* MC0 Channel 1 */ | |
1477 | PCI_DEVICE(PCI_VENDOR_ID_INTEL, 0xeb5), | |
899396cf | 1478 | .driver_data = UNCORE_PCI_DEV_DATA(IVT_PCI_UNCORE_IMC, 1), |
e850f9c3 YZ |
1479 | }, |
1480 | { /* MC0 Channel 3 */ | |
1481 | PCI_DEVICE(PCI_VENDOR_ID_INTEL, 0xeb0), | |
899396cf | 1482 | .driver_data = UNCORE_PCI_DEV_DATA(IVT_PCI_UNCORE_IMC, 2), |
e850f9c3 YZ |
1483 | }, |
1484 | { /* MC0 Channel 4 */ | |
1485 | PCI_DEVICE(PCI_VENDOR_ID_INTEL, 0xeb1), | |
899396cf | 1486 | .driver_data = UNCORE_PCI_DEV_DATA(IVT_PCI_UNCORE_IMC, 3), |
e850f9c3 YZ |
1487 | }, |
1488 | { /* MC1 Channel 0 */ | |
1489 | PCI_DEVICE(PCI_VENDOR_ID_INTEL, 0xef4), | |
899396cf | 1490 | .driver_data = UNCORE_PCI_DEV_DATA(IVT_PCI_UNCORE_IMC, 4), |
e850f9c3 YZ |
1491 | }, |
1492 | { /* MC1 Channel 1 */ | |
1493 | PCI_DEVICE(PCI_VENDOR_ID_INTEL, 0xef5), | |
899396cf | 1494 | .driver_data = UNCORE_PCI_DEV_DATA(IVT_PCI_UNCORE_IMC, 5), |
e850f9c3 YZ |
1495 | }, |
1496 | { /* MC1 Channel 3 */ | |
1497 | PCI_DEVICE(PCI_VENDOR_ID_INTEL, 0xef0), | |
899396cf | 1498 | .driver_data = UNCORE_PCI_DEV_DATA(IVT_PCI_UNCORE_IMC, 6), |
e850f9c3 YZ |
1499 | }, |
1500 | { /* MC1 Channel 4 */ | |
1501 | PCI_DEVICE(PCI_VENDOR_ID_INTEL, 0xef1), | |
899396cf | 1502 | .driver_data = UNCORE_PCI_DEV_DATA(IVT_PCI_UNCORE_IMC, 7), |
e850f9c3 | 1503 | }, |
f891d8cf YZ |
1504 | { /* IRP */ |
1505 | PCI_DEVICE(PCI_VENDOR_ID_INTEL, 0xe39), | |
1506 | .driver_data = UNCORE_PCI_DEV_DATA(IVT_PCI_UNCORE_IRP, 0), | |
1507 | }, | |
e850f9c3 YZ |
1508 | { /* QPI0 Port 0 */ |
1509 | PCI_DEVICE(PCI_VENDOR_ID_INTEL, 0xe32), | |
899396cf | 1510 | .driver_data = UNCORE_PCI_DEV_DATA(IVT_PCI_UNCORE_QPI, 0), |
e850f9c3 YZ |
1511 | }, |
1512 | { /* QPI0 Port 1 */ | |
1513 | PCI_DEVICE(PCI_VENDOR_ID_INTEL, 0xe33), | |
899396cf | 1514 | .driver_data = UNCORE_PCI_DEV_DATA(IVT_PCI_UNCORE_QPI, 1), |
e850f9c3 YZ |
1515 | }, |
1516 | { /* QPI1 Port 2 */ | |
1517 | PCI_DEVICE(PCI_VENDOR_ID_INTEL, 0xe3a), | |
899396cf | 1518 | .driver_data = UNCORE_PCI_DEV_DATA(IVT_PCI_UNCORE_QPI, 2), |
e850f9c3 YZ |
1519 | }, |
1520 | { /* R2PCIe */ | |
1521 | PCI_DEVICE(PCI_VENDOR_ID_INTEL, 0xe34), | |
899396cf | 1522 | .driver_data = UNCORE_PCI_DEV_DATA(IVT_PCI_UNCORE_R2PCIE, 0), |
e850f9c3 YZ |
1523 | }, |
1524 | { /* R3QPI0 Link 0 */ | |
1525 | PCI_DEVICE(PCI_VENDOR_ID_INTEL, 0xe36), | |
899396cf | 1526 | .driver_data = UNCORE_PCI_DEV_DATA(IVT_PCI_UNCORE_R3QPI, 0), |
e850f9c3 YZ |
1527 | }, |
1528 | { /* R3QPI0 Link 1 */ | |
1529 | PCI_DEVICE(PCI_VENDOR_ID_INTEL, 0xe37), | |
899396cf | 1530 | .driver_data = UNCORE_PCI_DEV_DATA(IVT_PCI_UNCORE_R3QPI, 1), |
e850f9c3 YZ |
1531 | }, |
1532 | { /* R3QPI1 Link 2 */ | |
1533 | PCI_DEVICE(PCI_VENDOR_ID_INTEL, 0xe3e), | |
899396cf | 1534 | .driver_data = UNCORE_PCI_DEV_DATA(IVT_PCI_UNCORE_R3QPI, 2), |
e850f9c3 | 1535 | }, |
d1e8f4a8 YZ |
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 | }, | |
e850f9c3 YZ |
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 | ||
254298c7 YZ |
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 | ||
35534b20 SE |
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 | ||
254298c7 YZ |
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, | |
35534b20 | 1627 | .event_descs = snb_uncore_events, |
254298c7 YZ |
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 */ | |
254298c7 YZ |
1715 | DEFINE_UNCORE_FORMAT_ATTR(event5, event, "config:1-5"); |
1716 | DEFINE_UNCORE_FORMAT_ATTR(counter, counter, "config:6-7"); | |
254298c7 YZ |
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 | ||
cb37af77 YZ |
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 | ||
254298c7 YZ |
1827 | static struct intel_uncore_type nhmex_uncore_cbox = { |
1828 | .name = "cbox", | |
1829 | .num_counters = 6, | |
cb37af77 | 1830 | .num_boxes = 10, |
254298c7 YZ |
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, | |
cb37af77 | 1836 | .msr_offsets = nhmex_cbox_msr_offsets, |
254298c7 YZ |
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 | { | |
ebb6cc03 YZ |
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; | |
254298c7 | 1960 | |
ebb6cc03 YZ |
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; | |
254298c7 YZ |
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; | |
254298c7 | 1970 | reg1->idx = 0; |
ebb6cc03 YZ |
1971 | reg1->config = event->attr.config1; |
1972 | reg2->config = event->attr.config2; | |
254298c7 YZ |
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 | ||
ebb6cc03 YZ |
1982 | if (reg1->idx != EXTRA_REG_NONE) { |
1983 | wrmsrl(reg1->reg, 0); | |
254298c7 YZ |
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, | |
254298c7 YZ |
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 | ||
cb37af77 | 2064 | /* Nehalem-EX or Westmere-EX ? */ |
46bdd905 | 2065 | static bool uncore_nhmex; |
cb37af77 | 2066 | |
254298c7 YZ |
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 */ | |
cb37af77 YZ |
2096 | if (uncore_nhmex) |
2097 | mask = NHMEX_M_PMON_ZDP_CTL_FVC_MASK; | |
2098 | else | |
2099 | mask = WSMEX_M_PMON_ZDP_CTL_FVC_MASK; | |
254298c7 YZ |
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 */ | |
cb37af77 YZ |
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 | } | |
254298c7 YZ |
2110 | |
2111 | if (!atomic_read(&er->ref) || !((er->config ^ config) & mask)) { | |
2112 | atomic_add(1 << (idx * 8), &er->ref); | |
cb37af77 YZ |
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); | |
254298c7 YZ |
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 | ||
46bdd905 | 2143 | static u64 nhmex_mbox_alter_er(struct perf_event *event, int new_idx, bool modify) |
254298c7 YZ |
2144 | { |
2145 | struct hw_perf_event *hwc = &event->hw; | |
2146 | struct hw_perf_event_extra *reg1 = &hwc->extra_reg; | |
13acac30 | 2147 | u64 idx, orig_idx = __BITS_VALUE(reg1->idx, 0, 8); |
254298c7 YZ |
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; | |
cb37af77 YZ |
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); | |
254298c7 YZ |
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 */ | |
cb37af77 YZ |
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; | |
254298c7 YZ |
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 */ | |
ebb6cc03 YZ |
2207 | if (reg2->idx != EXTRA_REG_NONE && |
2208 | (uncore_box_is_fake(box) || !reg2->alloc) && | |
254298c7 YZ |
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; | |
ebb6cc03 YZ |
2222 | if (reg2->idx != EXTRA_REG_NONE) |
2223 | reg2->alloc = 1; | |
254298c7 YZ |
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. | |
7c94ee2e | 2234 | */ |
254298c7 YZ |
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; | |
7c94ee2e | 2242 | } |
254298c7 | 2243 | } |
7c94ee2e | 2244 | |
254298c7 YZ |
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 | } | |
fcde10e9 | 2251 | |
254298c7 | 2252 | static void nhmex_mbox_put_constraint(struct intel_uncore_box *box, struct perf_event *event) |
fcde10e9 | 2253 | { |
254298c7 YZ |
2254 | struct hw_perf_event_extra *reg1 = &event->hw.extra_reg; |
2255 | struct hw_perf_event_extra *reg2 = &event->hw.branch_reg; | |
fcde10e9 | 2256 | |
254298c7 YZ |
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 | } | |
fcde10e9 YZ |
2270 | } |
2271 | ||
254298c7 | 2272 | static int nhmex_mbox_extra_reg_idx(struct extra_reg *er) |
fcde10e9 | 2273 | { |
254298c7 YZ |
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; | |
fcde10e9 YZ |
2277 | } |
2278 | ||
254298c7 | 2279 | static int nhmex_mbox_hw_config(struct intel_uncore_box *box, struct perf_event *event) |
fcde10e9 | 2280 | { |
254298c7 YZ |
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; | |
254298c7 YZ |
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; | |
254298c7 YZ |
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; | |
ebb6cc03 YZ |
2305 | else if (WARN_ON_ONCE(reg_idx > 0)) |
2306 | return -EINVAL; | |
254298c7 YZ |
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 | } | |
ebb6cc03 YZ |
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 | } | |
254298c7 | 2330 | return 0; |
fcde10e9 YZ |
2331 | } |
2332 | ||
254298c7 | 2333 | static u64 nhmex_mbox_shared_reg_config(struct intel_uncore_box *box, int idx) |
fcde10e9 | 2334 | { |
254298c7 YZ |
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 | ||
ebb6cc03 YZ |
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 | } | |
fcde10e9 | 2374 | } |
254298c7 YZ |
2375 | |
2376 | wrmsrl(hwc->config_base, hwc->config | NHMEX_PMON_CTL_EN_BIT0); | |
fcde10e9 YZ |
2377 | } |
2378 | ||
ebb6cc03 YZ |
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"); | |
254298c7 YZ |
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, | |
ebb6cc03 | 2403 | &format_attr_filter_cfg_en.attr, |
254298c7 YZ |
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, | |
fcde10e9 YZ |
2413 | NULL, |
2414 | }; | |
2415 | ||
254298c7 YZ |
2416 | static struct attribute_group nhmex_uncore_mbox_format_group = { |
2417 | .name = "format", | |
2418 | .attrs = nhmex_uncore_mbox_formats_attr, | |
fcde10e9 YZ |
2419 | }; |
2420 | ||
254298c7 YZ |
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 */ }, | |
fcde10e9 YZ |
2425 | }; |
2426 | ||
cb37af77 YZ |
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 | ||
254298c7 YZ |
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, | |
fcde10e9 YZ |
2439 | }; |
2440 | ||
254298c7 YZ |
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, | |
fcde10e9 YZ |
2456 | }; |
2457 | ||
46bdd905 | 2458 | static void nhmex_rbox_alter_er(struct intel_uncore_box *box, struct perf_event *event) |
254298c7 YZ |
2459 | { |
2460 | struct hw_perf_event *hwc = &event->hw; | |
2461 | struct hw_perf_event_extra *reg1 = &hwc->extra_reg; | |
fcde10e9 | 2462 | |
ebb6cc03 | 2463 | /* adjust the main event selector and extra register index */ |
254298c7 YZ |
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 | ||
ebb6cc03 | 2472 | /* adjust extra register config */ |
254298c7 | 2473 | switch (reg1->idx % 6) { |
254298c7 | 2474 | case 2: |
ebb6cc03 | 2475 | /* shift the 8~15 bits to the 0~7 bits */ |
254298c7 YZ |
2476 | reg1->config >>= 8; |
2477 | break; | |
2478 | case 3: | |
ebb6cc03 | 2479 | /* shift the 0~7 bits to the 8~15 bits */ |
254298c7 YZ |
2480 | reg1->config <<= 8; |
2481 | break; | |
254298c7 YZ |
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) | |
fcde10e9 | 2493 | { |
254298c7 YZ |
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; | |
fcde10e9 YZ |
2577 | } |
2578 | ||
254298c7 | 2579 | static void nhmex_rbox_put_constraint(struct intel_uncore_box *box, struct perf_event *event) |
fcde10e9 | 2580 | { |
254298c7 YZ |
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; | |
fcde10e9 YZ |
2601 | } |
2602 | ||
254298c7 | 2603 | static int nhmex_rbox_hw_config(struct intel_uncore_box *box, struct perf_event *event) |
fcde10e9 YZ |
2604 | { |
2605 | struct hw_perf_event *hwc = &event->hw; | |
254298c7 YZ |
2606 | struct hw_perf_event_extra *reg1 = &event->hw.extra_reg; |
2607 | struct hw_perf_event_extra *reg2 = &event->hw.branch_reg; | |
ebb6cc03 | 2608 | int idx; |
fcde10e9 | 2609 | |
254298c7 YZ |
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 | ||
ebb6cc03 | 2618 | switch (idx % 6) { |
254298c7 YZ |
2619 | case 4: |
2620 | case 5: | |
254298c7 | 2621 | hwc->config |= event->attr.config & (~0ULL << 32); |
ebb6cc03 | 2622 | reg2->config = event->attr.config2; |
254298c7 YZ |
2623 | break; |
2624 | }; | |
2625 | return 0; | |
fcde10e9 YZ |
2626 | } |
2627 | ||
254298c7 YZ |
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; | |
ebb6cc03 | 2633 | int idx, port; |
254298c7 | 2634 | |
ebb6cc03 YZ |
2635 | idx = reg1->idx; |
2636 | port = idx / 6 + box->pmu->pmu_idx * 4; | |
254298c7 | 2637 | |
ebb6cc03 | 2638 | switch (idx % 6) { |
254298c7 | 2639 | case 0: |
ebb6cc03 YZ |
2640 | wrmsrl(NHMEX_R_MSR_PORTN_IPERF_CFG0(port), reg1->config); |
2641 | break; | |
254298c7 | 2642 | case 1: |
ebb6cc03 | 2643 | wrmsrl(NHMEX_R_MSR_PORTN_IPERF_CFG1(port), reg1->config); |
254298c7 YZ |
2644 | break; |
2645 | case 2: | |
2646 | case 3: | |
ebb6cc03 | 2647 | wrmsrl(NHMEX_R_MSR_PORTN_QLX_CFG(port), |
46bdd905 | 2648 | uncore_shared_reg_config(box, 2 + (idx / 6) * 5)); |
254298c7 YZ |
2649 | break; |
2650 | case 4: | |
ebb6cc03 YZ |
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; | |
254298c7 | 2656 | case 5: |
ebb6cc03 YZ |
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); | |
254298c7 YZ |
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 | ||
ebb6cc03 YZ |
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"); | |
254298c7 YZ |
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, | |
fcde10e9 YZ |
2681 | NULL, |
2682 | }; | |
2683 | ||
254298c7 | 2684 | static struct attribute_group nhmex_uncore_rbox_format_group = { |
fcde10e9 | 2685 | .name = "format", |
254298c7 | 2686 | .attrs = nhmex_uncore_rbox_formats_attr, |
fcde10e9 YZ |
2687 | }; |
2688 | ||
254298c7 YZ |
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"), | |
fcde10e9 YZ |
2696 | { /* end: all zeroes */ }, |
2697 | }; | |
2698 | ||
254298c7 YZ |
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, | |
fcde10e9 YZ |
2705 | }; |
2706 | ||
254298c7 YZ |
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 | |
fcde10e9 YZ |
2722 | }; |
2723 | ||
254298c7 YZ |
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, | |
fcde10e9 YZ |
2732 | NULL, |
2733 | }; | |
254298c7 | 2734 | /* end of Nehalem-EX uncore support */ |
fcde10e9 | 2735 | |
254298c7 | 2736 | static void uncore_assign_hw_event(struct intel_uncore_box *box, struct perf_event *event, int idx) |
087bfbb0 YZ |
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) { | |
14371cce YZ |
2744 | hwc->event_base = uncore_fixed_ctr(box); |
2745 | hwc->config_base = uncore_fixed_ctl(box); | |
087bfbb0 YZ |
2746 | return; |
2747 | } | |
2748 | ||
14371cce YZ |
2749 | hwc->config_base = uncore_event_ctl(box, hwc->idx); |
2750 | hwc->event_base = uncore_perf_ctr(box, hwc->idx); | |
087bfbb0 YZ |
2751 | } |
2752 | ||
254298c7 | 2753 | static void uncore_perf_event_update(struct intel_uncore_box *box, struct perf_event *event) |
087bfbb0 YZ |
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 | ||
79859cce | 2801 | hrtimer_forward_now(hrtimer, ns_to_ktime(box->hrtimer_duration)); |
087bfbb0 YZ |
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, | |
79859cce | 2808 | ns_to_ktime(box->hrtimer_duration), 0, |
087bfbb0 YZ |
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 | ||
73c4427c | 2823 | static struct intel_uncore_box *uncore_alloc_box(struct intel_uncore_type *type, int node) |
087bfbb0 YZ |
2824 | { |
2825 | struct intel_uncore_box *box; | |
6a67943a | 2826 | int i, size; |
087bfbb0 | 2827 | |
254298c7 | 2828 | size = sizeof(*box) + type->num_shared_regs * sizeof(struct intel_uncore_extra_reg); |
6a67943a | 2829 | |
73c4427c | 2830 | box = kzalloc_node(size, GFP_KERNEL, node); |
087bfbb0 YZ |
2831 | if (!box) |
2832 | return NULL; | |
2833 | ||
6a67943a YZ |
2834 | for (i = 0; i < type->num_shared_regs; i++) |
2835 | raw_spin_lock_init(&box->shared_regs[i].lock); | |
2836 | ||
087bfbb0 YZ |
2837 | uncore_pmu_init_hrtimer(box); |
2838 | atomic_set(&box->refcnt, 1); | |
2839 | box->cpu = -1; | |
2840 | box->phys_id = -1; | |
2841 | ||
79859cce SE |
2842 | /* set default hrtimer timeout */ |
2843 | box->hrtimer_duration = UNCORE_PMU_HRTIMER_INTERVAL; | |
2844 | ||
087bfbb0 YZ |
2845 | return box; |
2846 | } | |
2847 | ||
2848 | static struct intel_uncore_box * | |
2849 | uncore_pmu_to_box(struct intel_uncore_pmu *pmu, int cpu) | |
2850 | { | |
402537fd | 2851 | struct intel_uncore_box *box; |
14371cce YZ |
2852 | |
2853 | box = *per_cpu_ptr(pmu->box, cpu); | |
2854 | if (box) | |
2855 | return box; | |
2856 | ||
2857 | raw_spin_lock(&uncore_box_lock); | |
2858 | list_for_each_entry(box, &pmu->box_list, list) { | |
2859 | if (box->phys_id == topology_physical_package_id(cpu)) { | |
2860 | atomic_inc(&box->refcnt); | |
2861 | *per_cpu_ptr(pmu->box, cpu) = box; | |
2862 | break; | |
2863 | } | |
2864 | } | |
2865 | raw_spin_unlock(&uncore_box_lock); | |
2866 | ||
087bfbb0 YZ |
2867 | return *per_cpu_ptr(pmu->box, cpu); |
2868 | } | |
2869 | ||
2870 | static struct intel_uncore_pmu *uncore_event_to_pmu(struct perf_event *event) | |
2871 | { | |
2872 | return container_of(event->pmu, struct intel_uncore_pmu, pmu); | |
2873 | } | |
2874 | ||
2875 | static struct intel_uncore_box *uncore_event_to_box(struct perf_event *event) | |
2876 | { | |
2877 | /* | |
2878 | * perf core schedules event on the basis of cpu, uncore events are | |
2879 | * collected by one of the cpus inside a physical package. | |
2880 | */ | |
254298c7 | 2881 | return uncore_pmu_to_box(uncore_event_to_pmu(event), smp_processor_id()); |
087bfbb0 YZ |
2882 | } |
2883 | ||
254298c7 YZ |
2884 | static int |
2885 | uncore_collect_events(struct intel_uncore_box *box, struct perf_event *leader, bool dogrp) | |
087bfbb0 YZ |
2886 | { |
2887 | struct perf_event *event; | |
2888 | int n, max_count; | |
2889 | ||
2890 | max_count = box->pmu->type->num_counters; | |
2891 | if (box->pmu->type->fixed_ctl) | |
2892 | max_count++; | |
2893 | ||
2894 | if (box->n_events >= max_count) | |
2895 | return -EINVAL; | |
2896 | ||
2897 | n = box->n_events; | |
2898 | box->event_list[n] = leader; | |
2899 | n++; | |
2900 | if (!dogrp) | |
2901 | return n; | |
2902 | ||
2903 | list_for_each_entry(event, &leader->sibling_list, group_entry) { | |
2904 | if (event->state <= PERF_EVENT_STATE_OFF) | |
2905 | continue; | |
2906 | ||
2907 | if (n >= max_count) | |
2908 | return -EINVAL; | |
2909 | ||
2910 | box->event_list[n] = event; | |
2911 | n++; | |
2912 | } | |
2913 | return n; | |
2914 | } | |
2915 | ||
2916 | static struct event_constraint * | |
254298c7 | 2917 | uncore_get_event_constraint(struct intel_uncore_box *box, struct perf_event *event) |
087bfbb0 | 2918 | { |
6a67943a | 2919 | struct intel_uncore_type *type = box->pmu->type; |
087bfbb0 YZ |
2920 | struct event_constraint *c; |
2921 | ||
6a67943a YZ |
2922 | if (type->ops->get_constraint) { |
2923 | c = type->ops->get_constraint(box, event); | |
2924 | if (c) | |
2925 | return c; | |
2926 | } | |
2927 | ||
dbc33f70 | 2928 | if (event->attr.config == UNCORE_FIXED_EVENT) |
087bfbb0 YZ |
2929 | return &constraint_fixed; |
2930 | ||
2931 | if (type->constraints) { | |
2932 | for_each_event_constraint(c, type->constraints) { | |
2933 | if ((event->hw.config & c->cmask) == c->code) | |
2934 | return c; | |
2935 | } | |
2936 | } | |
2937 | ||
2938 | return &type->unconstrainted; | |
2939 | } | |
2940 | ||
254298c7 | 2941 | static void uncore_put_event_constraint(struct intel_uncore_box *box, struct perf_event *event) |
6a67943a YZ |
2942 | { |
2943 | if (box->pmu->type->ops->put_constraint) | |
2944 | box->pmu->type->ops->put_constraint(box, event); | |
2945 | } | |
2946 | ||
254298c7 | 2947 | static int uncore_assign_events(struct intel_uncore_box *box, int assign[], int n) |
087bfbb0 YZ |
2948 | { |
2949 | unsigned long used_mask[BITS_TO_LONGS(UNCORE_PMC_IDX_MAX)]; | |
43b45780 | 2950 | struct event_constraint *c; |
6a67943a | 2951 | int i, wmin, wmax, ret = 0; |
087bfbb0 YZ |
2952 | struct hw_perf_event *hwc; |
2953 | ||
2954 | bitmap_zero(used_mask, UNCORE_PMC_IDX_MAX); | |
2955 | ||
2956 | for (i = 0, wmin = UNCORE_PMC_IDX_MAX, wmax = 0; i < n; i++) { | |
43b45780 | 2957 | hwc = &box->event_list[i]->hw; |
6a67943a | 2958 | c = uncore_get_event_constraint(box, box->event_list[i]); |
43b45780 | 2959 | hwc->constraint = c; |
087bfbb0 YZ |
2960 | wmin = min(wmin, c->weight); |
2961 | wmax = max(wmax, c->weight); | |
2962 | } | |
2963 | ||
2964 | /* fastpath, try to reuse previous register */ | |
2965 | for (i = 0; i < n; i++) { | |
2966 | hwc = &box->event_list[i]->hw; | |
43b45780 | 2967 | c = hwc->constraint; |
087bfbb0 YZ |
2968 | |
2969 | /* never assigned */ | |
2970 | if (hwc->idx == -1) | |
2971 | break; | |
2972 | ||
2973 | /* constraint still honored */ | |
2974 | if (!test_bit(hwc->idx, c->idxmsk)) | |
2975 | break; | |
2976 | ||
2977 | /* not already used */ | |
2978 | if (test_bit(hwc->idx, used_mask)) | |
2979 | break; | |
2980 | ||
2981 | __set_bit(hwc->idx, used_mask); | |
6a67943a YZ |
2982 | if (assign) |
2983 | assign[i] = hwc->idx; | |
087bfbb0 | 2984 | } |
087bfbb0 | 2985 | /* slow path */ |
6a67943a | 2986 | if (i != n) |
43b45780 AH |
2987 | ret = perf_assign_events(box->event_list, n, |
2988 | wmin, wmax, assign); | |
6a67943a YZ |
2989 | |
2990 | if (!assign || ret) { | |
2991 | for (i = 0; i < n; i++) | |
2992 | uncore_put_event_constraint(box, box->event_list[i]); | |
2993 | } | |
087bfbb0 YZ |
2994 | return ret ? -EINVAL : 0; |
2995 | } | |
2996 | ||
2997 | static void uncore_pmu_event_start(struct perf_event *event, int flags) | |
2998 | { | |
2999 | struct intel_uncore_box *box = uncore_event_to_box(event); | |
3000 | int idx = event->hw.idx; | |
3001 | ||
3002 | if (WARN_ON_ONCE(!(event->hw.state & PERF_HES_STOPPED))) | |
3003 | return; | |
3004 | ||
3005 | if (WARN_ON_ONCE(idx == -1 || idx >= UNCORE_PMC_IDX_MAX)) | |
3006 | return; | |
3007 | ||
3008 | event->hw.state = 0; | |
3009 | box->events[idx] = event; | |
3010 | box->n_active++; | |
3011 | __set_bit(idx, box->active_mask); | |
3012 | ||
3013 | local64_set(&event->hw.prev_count, uncore_read_counter(box, event)); | |
3014 | uncore_enable_event(box, event); | |
3015 | ||
3016 | if (box->n_active == 1) { | |
3017 | uncore_enable_box(box); | |
3018 | uncore_pmu_start_hrtimer(box); | |
3019 | } | |
3020 | } | |
3021 | ||
3022 | static void uncore_pmu_event_stop(struct perf_event *event, int flags) | |
3023 | { | |
3024 | struct intel_uncore_box *box = uncore_event_to_box(event); | |
3025 | struct hw_perf_event *hwc = &event->hw; | |
3026 | ||
3027 | if (__test_and_clear_bit(hwc->idx, box->active_mask)) { | |
3028 | uncore_disable_event(box, event); | |
3029 | box->n_active--; | |
3030 | box->events[hwc->idx] = NULL; | |
3031 | WARN_ON_ONCE(hwc->state & PERF_HES_STOPPED); | |
3032 | hwc->state |= PERF_HES_STOPPED; | |
3033 | ||
3034 | if (box->n_active == 0) { | |
3035 | uncore_disable_box(box); | |
3036 | uncore_pmu_cancel_hrtimer(box); | |
3037 | } | |
3038 | } | |
3039 | ||
3040 | if ((flags & PERF_EF_UPDATE) && !(hwc->state & PERF_HES_UPTODATE)) { | |
3041 | /* | |
3042 | * Drain the remaining delta count out of a event | |
3043 | * that we are disabling: | |
3044 | */ | |
3045 | uncore_perf_event_update(box, event); | |
3046 | hwc->state |= PERF_HES_UPTODATE; | |
3047 | } | |
3048 | } | |
3049 | ||
3050 | static int uncore_pmu_event_add(struct perf_event *event, int flags) | |
3051 | { | |
3052 | struct intel_uncore_box *box = uncore_event_to_box(event); | |
3053 | struct hw_perf_event *hwc = &event->hw; | |
3054 | int assign[UNCORE_PMC_IDX_MAX]; | |
3055 | int i, n, ret; | |
3056 | ||
3057 | if (!box) | |
3058 | return -ENODEV; | |
3059 | ||
3060 | ret = n = uncore_collect_events(box, event, false); | |
3061 | if (ret < 0) | |
3062 | return ret; | |
3063 | ||
3064 | hwc->state = PERF_HES_UPTODATE | PERF_HES_STOPPED; | |
3065 | if (!(flags & PERF_EF_START)) | |
3066 | hwc->state |= PERF_HES_ARCH; | |
3067 | ||
3068 | ret = uncore_assign_events(box, assign, n); | |
3069 | if (ret) | |
3070 | return ret; | |
3071 | ||
3072 | /* save events moving to new counters */ | |
3073 | for (i = 0; i < box->n_events; i++) { | |
3074 | event = box->event_list[i]; | |
3075 | hwc = &event->hw; | |
3076 | ||
3077 | if (hwc->idx == assign[i] && | |
3078 | hwc->last_tag == box->tags[assign[i]]) | |
3079 | continue; | |
3080 | /* | |
3081 | * Ensure we don't accidentally enable a stopped | |
3082 | * counter simply because we rescheduled. | |
3083 | */ | |
3084 | if (hwc->state & PERF_HES_STOPPED) | |
3085 | hwc->state |= PERF_HES_ARCH; | |
3086 | ||
3087 | uncore_pmu_event_stop(event, PERF_EF_UPDATE); | |
3088 | } | |
3089 | ||
3090 | /* reprogram moved events into new counters */ | |
3091 | for (i = 0; i < n; i++) { | |
3092 | event = box->event_list[i]; | |
3093 | hwc = &event->hw; | |
3094 | ||
3095 | if (hwc->idx != assign[i] || | |
3096 | hwc->last_tag != box->tags[assign[i]]) | |
3097 | uncore_assign_hw_event(box, event, assign[i]); | |
3098 | else if (i < box->n_events) | |
3099 | continue; | |
3100 | ||
3101 | if (hwc->state & PERF_HES_ARCH) | |
3102 | continue; | |
3103 | ||
3104 | uncore_pmu_event_start(event, 0); | |
3105 | } | |
3106 | box->n_events = n; | |
3107 | ||
3108 | return 0; | |
3109 | } | |
3110 | ||
3111 | static void uncore_pmu_event_del(struct perf_event *event, int flags) | |
3112 | { | |
3113 | struct intel_uncore_box *box = uncore_event_to_box(event); | |
3114 | int i; | |
3115 | ||
3116 | uncore_pmu_event_stop(event, PERF_EF_UPDATE); | |
3117 | ||
3118 | for (i = 0; i < box->n_events; i++) { | |
3119 | if (event == box->event_list[i]) { | |
6a67943a YZ |
3120 | uncore_put_event_constraint(box, event); |
3121 | ||
087bfbb0 YZ |
3122 | while (++i < box->n_events) |
3123 | box->event_list[i - 1] = box->event_list[i]; | |
3124 | ||
3125 | --box->n_events; | |
3126 | break; | |
3127 | } | |
3128 | } | |
3129 | ||
3130 | event->hw.idx = -1; | |
3131 | event->hw.last_tag = ~0ULL; | |
3132 | } | |
3133 | ||
3134 | static void uncore_pmu_event_read(struct perf_event *event) | |
3135 | { | |
3136 | struct intel_uncore_box *box = uncore_event_to_box(event); | |
3137 | uncore_perf_event_update(box, event); | |
3138 | } | |
3139 | ||
3140 | /* | |
3141 | * validation ensures the group can be loaded onto the | |
3142 | * PMU if it was the only group available. | |
3143 | */ | |
3144 | static int uncore_validate_group(struct intel_uncore_pmu *pmu, | |
3145 | struct perf_event *event) | |
3146 | { | |
3147 | struct perf_event *leader = event->group_leader; | |
3148 | struct intel_uncore_box *fake_box; | |
087bfbb0 YZ |
3149 | int ret = -EINVAL, n; |
3150 | ||
73c4427c | 3151 | fake_box = uncore_alloc_box(pmu->type, NUMA_NO_NODE); |
087bfbb0 YZ |
3152 | if (!fake_box) |
3153 | return -ENOMEM; | |
3154 | ||
3155 | fake_box->pmu = pmu; | |
3156 | /* | |
3157 | * the event is not yet connected with its | |
3158 | * siblings therefore we must first collect | |
3159 | * existing siblings, then add the new event | |
3160 | * before we can simulate the scheduling | |
3161 | */ | |
3162 | n = uncore_collect_events(fake_box, leader, true); | |
3163 | if (n < 0) | |
3164 | goto out; | |
3165 | ||
3166 | fake_box->n_events = n; | |
3167 | n = uncore_collect_events(fake_box, event, false); | |
3168 | if (n < 0) | |
3169 | goto out; | |
3170 | ||
3171 | fake_box->n_events = n; | |
3172 | ||
6a67943a | 3173 | ret = uncore_assign_events(fake_box, NULL, n); |
087bfbb0 YZ |
3174 | out: |
3175 | kfree(fake_box); | |
3176 | return ret; | |
3177 | } | |
3178 | ||
46bdd905 | 3179 | static int uncore_pmu_event_init(struct perf_event *event) |
087bfbb0 YZ |
3180 | { |
3181 | struct intel_uncore_pmu *pmu; | |
3182 | struct intel_uncore_box *box; | |
3183 | struct hw_perf_event *hwc = &event->hw; | |
3184 | int ret; | |
3185 | ||
3186 | if (event->attr.type != event->pmu->type) | |
3187 | return -ENOENT; | |
3188 | ||
3189 | pmu = uncore_event_to_pmu(event); | |
3190 | /* no device found for this pmu */ | |
3191 | if (pmu->func_id < 0) | |
3192 | return -ENOENT; | |
3193 | ||
3194 | /* | |
3195 | * Uncore PMU does measure at all privilege level all the time. | |
3196 | * So it doesn't make sense to specify any exclude bits. | |
3197 | */ | |
3198 | if (event->attr.exclude_user || event->attr.exclude_kernel || | |
3199 | event->attr.exclude_hv || event->attr.exclude_idle) | |
3200 | return -EINVAL; | |
3201 | ||
3202 | /* Sampling not supported yet */ | |
3203 | if (hwc->sample_period) | |
3204 | return -EINVAL; | |
3205 | ||
3206 | /* | |
3207 | * Place all uncore events for a particular physical package | |
3208 | * onto a single cpu | |
3209 | */ | |
3210 | if (event->cpu < 0) | |
3211 | return -EINVAL; | |
3212 | box = uncore_pmu_to_box(pmu, event->cpu); | |
3213 | if (!box || box->cpu < 0) | |
3214 | return -EINVAL; | |
3215 | event->cpu = box->cpu; | |
3216 | ||
6a67943a YZ |
3217 | event->hw.idx = -1; |
3218 | event->hw.last_tag = ~0ULL; | |
3219 | event->hw.extra_reg.idx = EXTRA_REG_NONE; | |
ebb6cc03 | 3220 | event->hw.branch_reg.idx = EXTRA_REG_NONE; |
6a67943a | 3221 | |
087bfbb0 YZ |
3222 | if (event->attr.config == UNCORE_FIXED_EVENT) { |
3223 | /* no fixed counter */ | |
3224 | if (!pmu->type->fixed_ctl) | |
3225 | return -EINVAL; | |
3226 | /* | |
3227 | * if there is only one fixed counter, only the first pmu | |
3228 | * can access the fixed counter | |
3229 | */ | |
3230 | if (pmu->type->single_fixed && pmu->pmu_idx > 0) | |
3231 | return -EINVAL; | |
dbc33f70 SE |
3232 | |
3233 | /* fixed counters have event field hardcoded to zero */ | |
3234 | hwc->config = 0ULL; | |
087bfbb0 YZ |
3235 | } else { |
3236 | hwc->config = event->attr.config & pmu->type->event_mask; | |
6a67943a YZ |
3237 | if (pmu->type->ops->hw_config) { |
3238 | ret = pmu->type->ops->hw_config(box, event); | |
3239 | if (ret) | |
3240 | return ret; | |
3241 | } | |
087bfbb0 YZ |
3242 | } |
3243 | ||
087bfbb0 YZ |
3244 | if (event->group_leader != event) |
3245 | ret = uncore_validate_group(pmu, event); | |
3246 | else | |
3247 | ret = 0; | |
3248 | ||
3249 | return ret; | |
3250 | } | |
3251 | ||
314d9f63 YZ |
3252 | static ssize_t uncore_get_attr_cpumask(struct device *dev, |
3253 | struct device_attribute *attr, char *buf) | |
3254 | { | |
3255 | int n = cpulist_scnprintf(buf, PAGE_SIZE - 2, &uncore_cpu_mask); | |
3256 | ||
3257 | buf[n++] = '\n'; | |
3258 | buf[n] = '\0'; | |
3259 | return n; | |
3260 | } | |
3261 | ||
3262 | static DEVICE_ATTR(cpumask, S_IRUGO, uncore_get_attr_cpumask, NULL); | |
3263 | ||
3264 | static struct attribute *uncore_pmu_attrs[] = { | |
3265 | &dev_attr_cpumask.attr, | |
3266 | NULL, | |
3267 | }; | |
3268 | ||
3269 | static struct attribute_group uncore_pmu_attr_group = { | |
3270 | .attrs = uncore_pmu_attrs, | |
3271 | }; | |
3272 | ||
087bfbb0 YZ |
3273 | static int __init uncore_pmu_register(struct intel_uncore_pmu *pmu) |
3274 | { | |
3275 | int ret; | |
3276 | ||
d64b25b6 SE |
3277 | if (!pmu->type->pmu) { |
3278 | pmu->pmu = (struct pmu) { | |
3279 | .attr_groups = pmu->type->attr_groups, | |
3280 | .task_ctx_nr = perf_invalid_context, | |
3281 | .event_init = uncore_pmu_event_init, | |
3282 | .add = uncore_pmu_event_add, | |
3283 | .del = uncore_pmu_event_del, | |
3284 | .start = uncore_pmu_event_start, | |
3285 | .stop = uncore_pmu_event_stop, | |
3286 | .read = uncore_pmu_event_read, | |
3287 | }; | |
3288 | } else { | |
3289 | pmu->pmu = *pmu->type->pmu; | |
3290 | pmu->pmu.attr_groups = pmu->type->attr_groups; | |
3291 | } | |
087bfbb0 YZ |
3292 | |
3293 | if (pmu->type->num_boxes == 1) { | |
3294 | if (strlen(pmu->type->name) > 0) | |
3295 | sprintf(pmu->name, "uncore_%s", pmu->type->name); | |
3296 | else | |
3297 | sprintf(pmu->name, "uncore"); | |
3298 | } else { | |
3299 | sprintf(pmu->name, "uncore_%s_%d", pmu->type->name, | |
3300 | pmu->pmu_idx); | |
3301 | } | |
3302 | ||
3303 | ret = perf_pmu_register(&pmu->pmu, pmu->name, -1); | |
3304 | return ret; | |
3305 | } | |
3306 | ||
3307 | static void __init uncore_type_exit(struct intel_uncore_type *type) | |
3308 | { | |
3309 | int i; | |
3310 | ||
3311 | for (i = 0; i < type->num_boxes; i++) | |
3312 | free_percpu(type->pmus[i].box); | |
3313 | kfree(type->pmus); | |
3314 | type->pmus = NULL; | |
314d9f63 YZ |
3315 | kfree(type->events_group); |
3316 | type->events_group = NULL; | |
087bfbb0 YZ |
3317 | } |
3318 | ||
cffa59ba | 3319 | static void __init uncore_types_exit(struct intel_uncore_type **types) |
14371cce YZ |
3320 | { |
3321 | int i; | |
3322 | for (i = 0; types[i]; i++) | |
3323 | uncore_type_exit(types[i]); | |
3324 | } | |
3325 | ||
087bfbb0 YZ |
3326 | static int __init uncore_type_init(struct intel_uncore_type *type) |
3327 | { | |
3328 | struct intel_uncore_pmu *pmus; | |
1b0dac2a | 3329 | struct attribute_group *attr_group; |
087bfbb0 YZ |
3330 | struct attribute **attrs; |
3331 | int i, j; | |
3332 | ||
3333 | pmus = kzalloc(sizeof(*pmus) * type->num_boxes, GFP_KERNEL); | |
3334 | if (!pmus) | |
3335 | return -ENOMEM; | |
3336 | ||
3337 | type->unconstrainted = (struct event_constraint) | |
3338 | __EVENT_CONSTRAINT(0, (1ULL << type->num_counters) - 1, | |
9fac2cf3 | 3339 | 0, type->num_counters, 0, 0); |
087bfbb0 YZ |
3340 | |
3341 | for (i = 0; i < type->num_boxes; i++) { | |
3342 | pmus[i].func_id = -1; | |
3343 | pmus[i].pmu_idx = i; | |
3344 | pmus[i].type = type; | |
14371cce | 3345 | INIT_LIST_HEAD(&pmus[i].box_list); |
087bfbb0 YZ |
3346 | pmus[i].box = alloc_percpu(struct intel_uncore_box *); |
3347 | if (!pmus[i].box) | |
3348 | goto fail; | |
3349 | } | |
3350 | ||
3351 | if (type->event_descs) { | |
3352 | i = 0; | |
3353 | while (type->event_descs[i].attr.attr.name) | |
3354 | i++; | |
3355 | ||
1b0dac2a JSM |
3356 | attr_group = kzalloc(sizeof(struct attribute *) * (i + 1) + |
3357 | sizeof(*attr_group), GFP_KERNEL); | |
3358 | if (!attr_group) | |
087bfbb0 YZ |
3359 | goto fail; |
3360 | ||
1b0dac2a JSM |
3361 | attrs = (struct attribute **)(attr_group + 1); |
3362 | attr_group->name = "events"; | |
3363 | attr_group->attrs = attrs; | |
087bfbb0 YZ |
3364 | |
3365 | for (j = 0; j < i; j++) | |
3366 | attrs[j] = &type->event_descs[j].attr.attr; | |
3367 | ||
1b0dac2a | 3368 | type->events_group = attr_group; |
087bfbb0 YZ |
3369 | } |
3370 | ||
314d9f63 | 3371 | type->pmu_group = &uncore_pmu_attr_group; |
087bfbb0 YZ |
3372 | type->pmus = pmus; |
3373 | return 0; | |
3374 | fail: | |
3375 | uncore_type_exit(type); | |
3376 | return -ENOMEM; | |
3377 | } | |
3378 | ||
3379 | static int __init uncore_types_init(struct intel_uncore_type **types) | |
3380 | { | |
3381 | int i, ret; | |
3382 | ||
3383 | for (i = 0; types[i]; i++) { | |
3384 | ret = uncore_type_init(types[i]); | |
3385 | if (ret) | |
3386 | goto fail; | |
3387 | } | |
3388 | return 0; | |
3389 | fail: | |
3390 | while (--i >= 0) | |
3391 | uncore_type_exit(types[i]); | |
3392 | return ret; | |
3393 | } | |
3394 | ||
14371cce YZ |
3395 | static struct pci_driver *uncore_pci_driver; |
3396 | static bool pcidrv_registered; | |
3397 | ||
3398 | /* | |
3399 | * add a pci uncore device | |
3400 | */ | |
899396cf | 3401 | static int uncore_pci_probe(struct pci_dev *pdev, const struct pci_device_id *id) |
14371cce YZ |
3402 | { |
3403 | struct intel_uncore_pmu *pmu; | |
3404 | struct intel_uncore_box *box; | |
899396cf YZ |
3405 | struct intel_uncore_type *type; |
3406 | int phys_id; | |
14371cce YZ |
3407 | |
3408 | phys_id = pcibus_to_physid[pdev->bus->number]; | |
3409 | if (phys_id < 0) | |
3410 | return -ENODEV; | |
3411 | ||
899396cf YZ |
3412 | if (UNCORE_PCI_DEV_TYPE(id->driver_data) == UNCORE_EXTRA_PCI_DEV) { |
3413 | extra_pci_dev[phys_id][UNCORE_PCI_DEV_IDX(id->driver_data)] = pdev; | |
3414 | pci_set_drvdata(pdev, NULL); | |
3415 | return 0; | |
3416 | } | |
3417 | ||
3418 | type = pci_uncores[UNCORE_PCI_DEV_TYPE(id->driver_data)]; | |
73c4427c | 3419 | box = uncore_alloc_box(type, NUMA_NO_NODE); |
14371cce YZ |
3420 | if (!box) |
3421 | return -ENOMEM; | |
3422 | ||
3423 | /* | |
3424 | * for performance monitoring unit with multiple boxes, | |
3425 | * each box has a different function id. | |
3426 | */ | |
899396cf YZ |
3427 | pmu = &type->pmus[UNCORE_PCI_DEV_IDX(id->driver_data)]; |
3428 | if (pmu->func_id < 0) | |
3429 | pmu->func_id = pdev->devfn; | |
3430 | else | |
3431 | WARN_ON_ONCE(pmu->func_id != pdev->devfn); | |
14371cce YZ |
3432 | |
3433 | box->phys_id = phys_id; | |
3434 | box->pci_dev = pdev; | |
3435 | box->pmu = pmu; | |
3436 | uncore_box_init(box); | |
3437 | pci_set_drvdata(pdev, box); | |
3438 | ||
3439 | raw_spin_lock(&uncore_box_lock); | |
3440 | list_add_tail(&box->list, &pmu->box_list); | |
3441 | raw_spin_unlock(&uncore_box_lock); | |
3442 | ||
3443 | return 0; | |
3444 | } | |
3445 | ||
357398e9 | 3446 | static void uncore_pci_remove(struct pci_dev *pdev) |
14371cce YZ |
3447 | { |
3448 | struct intel_uncore_box *box = pci_get_drvdata(pdev); | |
899396cf YZ |
3449 | struct intel_uncore_pmu *pmu; |
3450 | int i, cpu, phys_id = pcibus_to_physid[pdev->bus->number]; | |
3451 | ||
3452 | box = pci_get_drvdata(pdev); | |
3453 | if (!box) { | |
3454 | for (i = 0; i < UNCORE_EXTRA_PCI_DEV_MAX; i++) { | |
3455 | if (extra_pci_dev[phys_id][i] == pdev) { | |
3456 | extra_pci_dev[phys_id][i] = NULL; | |
3457 | break; | |
3458 | } | |
3459 | } | |
3460 | WARN_ON_ONCE(i >= UNCORE_EXTRA_PCI_DEV_MAX); | |
3461 | return; | |
3462 | } | |
14371cce | 3463 | |
899396cf | 3464 | pmu = box->pmu; |
14371cce YZ |
3465 | if (WARN_ON_ONCE(phys_id != box->phys_id)) |
3466 | return; | |
3467 | ||
e850f9c3 YZ |
3468 | pci_set_drvdata(pdev, NULL); |
3469 | ||
14371cce YZ |
3470 | raw_spin_lock(&uncore_box_lock); |
3471 | list_del(&box->list); | |
3472 | raw_spin_unlock(&uncore_box_lock); | |
3473 | ||
3474 | for_each_possible_cpu(cpu) { | |
3475 | if (*per_cpu_ptr(pmu->box, cpu) == box) { | |
3476 | *per_cpu_ptr(pmu->box, cpu) = NULL; | |
3477 | atomic_dec(&box->refcnt); | |
3478 | } | |
3479 | } | |
3480 | ||
3481 | WARN_ON_ONCE(atomic_read(&box->refcnt) != 1); | |
3482 | kfree(box); | |
3483 | } | |
3484 | ||
14371cce YZ |
3485 | static int __init uncore_pci_init(void) |
3486 | { | |
3487 | int ret; | |
3488 | ||
3489 | switch (boot_cpu_data.x86_model) { | |
7c94ee2e | 3490 | case 45: /* Sandy Bridge-EP */ |
e850f9c3 | 3491 | ret = snbep_pci2phy_map_init(0x3ce0); |
032c3851 YZ |
3492 | if (ret) |
3493 | return ret; | |
7c94ee2e YZ |
3494 | pci_uncores = snbep_pci_uncores; |
3495 | uncore_pci_driver = &snbep_uncore_pci_driver; | |
7c94ee2e | 3496 | break; |
e850f9c3 YZ |
3497 | case 62: /* IvyTown */ |
3498 | ret = snbep_pci2phy_map_init(0x0e1e); | |
3499 | if (ret) | |
3500 | return ret; | |
3501 | pci_uncores = ivt_pci_uncores; | |
3502 | uncore_pci_driver = &ivt_uncore_pci_driver; | |
3503 | break; | |
14371cce YZ |
3504 | default: |
3505 | return 0; | |
3506 | } | |
3507 | ||
3508 | ret = uncore_types_init(pci_uncores); | |
3509 | if (ret) | |
3510 | return ret; | |
3511 | ||
3512 | uncore_pci_driver->probe = uncore_pci_probe; | |
3513 | uncore_pci_driver->remove = uncore_pci_remove; | |
3514 | ||
3515 | ret = pci_register_driver(uncore_pci_driver); | |
3516 | if (ret == 0) | |
3517 | pcidrv_registered = true; | |
3518 | else | |
3519 | uncore_types_exit(pci_uncores); | |
3520 | ||
3521 | return ret; | |
3522 | } | |
3523 | ||
3524 | static void __init uncore_pci_exit(void) | |
3525 | { | |
3526 | if (pcidrv_registered) { | |
3527 | pcidrv_registered = false; | |
3528 | pci_unregister_driver(uncore_pci_driver); | |
3529 | uncore_types_exit(pci_uncores); | |
3530 | } | |
3531 | } | |
3532 | ||
22cc4ccf YZ |
3533 | /* CPU hot plug/unplug are serialized by cpu_add_remove_lock mutex */ |
3534 | static LIST_HEAD(boxes_to_free); | |
3535 | ||
148f9bb8 | 3536 | static void uncore_kfree_boxes(void) |
22cc4ccf YZ |
3537 | { |
3538 | struct intel_uncore_box *box; | |
3539 | ||
3540 | while (!list_empty(&boxes_to_free)) { | |
3541 | box = list_entry(boxes_to_free.next, | |
3542 | struct intel_uncore_box, list); | |
3543 | list_del(&box->list); | |
3544 | kfree(box); | |
3545 | } | |
3546 | } | |
3547 | ||
148f9bb8 | 3548 | static void uncore_cpu_dying(int cpu) |
087bfbb0 YZ |
3549 | { |
3550 | struct intel_uncore_type *type; | |
3551 | struct intel_uncore_pmu *pmu; | |
3552 | struct intel_uncore_box *box; | |
3553 | int i, j; | |
3554 | ||
3555 | for (i = 0; msr_uncores[i]; i++) { | |
3556 | type = msr_uncores[i]; | |
3557 | for (j = 0; j < type->num_boxes; j++) { | |
3558 | pmu = &type->pmus[j]; | |
3559 | box = *per_cpu_ptr(pmu->box, cpu); | |
3560 | *per_cpu_ptr(pmu->box, cpu) = NULL; | |
3561 | if (box && atomic_dec_and_test(&box->refcnt)) | |
22cc4ccf | 3562 | list_add(&box->list, &boxes_to_free); |
087bfbb0 YZ |
3563 | } |
3564 | } | |
3565 | } | |
3566 | ||
148f9bb8 | 3567 | static int uncore_cpu_starting(int cpu) |
087bfbb0 YZ |
3568 | { |
3569 | struct intel_uncore_type *type; | |
3570 | struct intel_uncore_pmu *pmu; | |
3571 | struct intel_uncore_box *box, *exist; | |
3572 | int i, j, k, phys_id; | |
3573 | ||
3574 | phys_id = topology_physical_package_id(cpu); | |
3575 | ||
3576 | for (i = 0; msr_uncores[i]; i++) { | |
3577 | type = msr_uncores[i]; | |
3578 | for (j = 0; j < type->num_boxes; j++) { | |
3579 | pmu = &type->pmus[j]; | |
3580 | box = *per_cpu_ptr(pmu->box, cpu); | |
3581 | /* called by uncore_cpu_init? */ | |
3582 | if (box && box->phys_id >= 0) { | |
3583 | uncore_box_init(box); | |
3584 | continue; | |
3585 | } | |
3586 | ||
3587 | for_each_online_cpu(k) { | |
3588 | exist = *per_cpu_ptr(pmu->box, k); | |
3589 | if (exist && exist->phys_id == phys_id) { | |
3590 | atomic_inc(&exist->refcnt); | |
3591 | *per_cpu_ptr(pmu->box, cpu) = exist; | |
22cc4ccf YZ |
3592 | if (box) { |
3593 | list_add(&box->list, | |
3594 | &boxes_to_free); | |
3595 | box = NULL; | |
3596 | } | |
087bfbb0 YZ |
3597 | break; |
3598 | } | |
3599 | } | |
3600 | ||
3601 | if (box) { | |
3602 | box->phys_id = phys_id; | |
3603 | uncore_box_init(box); | |
3604 | } | |
3605 | } | |
3606 | } | |
3607 | return 0; | |
3608 | } | |
3609 | ||
148f9bb8 | 3610 | static int uncore_cpu_prepare(int cpu, int phys_id) |
087bfbb0 YZ |
3611 | { |
3612 | struct intel_uncore_type *type; | |
3613 | struct intel_uncore_pmu *pmu; | |
3614 | struct intel_uncore_box *box; | |
3615 | int i, j; | |
3616 | ||
3617 | for (i = 0; msr_uncores[i]; i++) { | |
3618 | type = msr_uncores[i]; | |
3619 | for (j = 0; j < type->num_boxes; j++) { | |
3620 | pmu = &type->pmus[j]; | |
3621 | if (pmu->func_id < 0) | |
3622 | pmu->func_id = j; | |
3623 | ||
73c4427c | 3624 | box = uncore_alloc_box(type, cpu_to_node(cpu)); |
087bfbb0 YZ |
3625 | if (!box) |
3626 | return -ENOMEM; | |
3627 | ||
3628 | box->pmu = pmu; | |
3629 | box->phys_id = phys_id; | |
3630 | *per_cpu_ptr(pmu->box, cpu) = box; | |
3631 | } | |
3632 | } | |
3633 | return 0; | |
3634 | } | |
3635 | ||
148f9bb8 | 3636 | static void |
254298c7 | 3637 | uncore_change_context(struct intel_uncore_type **uncores, int old_cpu, int new_cpu) |
087bfbb0 YZ |
3638 | { |
3639 | struct intel_uncore_type *type; | |
3640 | struct intel_uncore_pmu *pmu; | |
3641 | struct intel_uncore_box *box; | |
3642 | int i, j; | |
3643 | ||
3644 | for (i = 0; uncores[i]; i++) { | |
3645 | type = uncores[i]; | |
3646 | for (j = 0; j < type->num_boxes; j++) { | |
3647 | pmu = &type->pmus[j]; | |
3648 | if (old_cpu < 0) | |
3649 | box = uncore_pmu_to_box(pmu, new_cpu); | |
3650 | else | |
3651 | box = uncore_pmu_to_box(pmu, old_cpu); | |
3652 | if (!box) | |
3653 | continue; | |
3654 | ||
3655 | if (old_cpu < 0) { | |
3656 | WARN_ON_ONCE(box->cpu != -1); | |
3657 | box->cpu = new_cpu; | |
3658 | continue; | |
3659 | } | |
3660 | ||
3661 | WARN_ON_ONCE(box->cpu != old_cpu); | |
3662 | if (new_cpu >= 0) { | |
3663 | uncore_pmu_cancel_hrtimer(box); | |
3664 | perf_pmu_migrate_context(&pmu->pmu, | |
3665 | old_cpu, new_cpu); | |
3666 | box->cpu = new_cpu; | |
3667 | } else { | |
3668 | box->cpu = -1; | |
3669 | } | |
3670 | } | |
3671 | } | |
3672 | } | |
3673 | ||
148f9bb8 | 3674 | static void uncore_event_exit_cpu(int cpu) |
087bfbb0 YZ |
3675 | { |
3676 | int i, phys_id, target; | |
3677 | ||
3678 | /* if exiting cpu is used for collecting uncore events */ | |
3679 | if (!cpumask_test_and_clear_cpu(cpu, &uncore_cpu_mask)) | |
3680 | return; | |
3681 | ||
3682 | /* find a new cpu to collect uncore events */ | |
3683 | phys_id = topology_physical_package_id(cpu); | |
3684 | target = -1; | |
3685 | for_each_online_cpu(i) { | |
3686 | if (i == cpu) | |
3687 | continue; | |
3688 | if (phys_id == topology_physical_package_id(i)) { | |
3689 | target = i; | |
3690 | break; | |
3691 | } | |
3692 | } | |
3693 | ||
3694 | /* migrate uncore events to the new cpu */ | |
3695 | if (target >= 0) | |
3696 | cpumask_set_cpu(target, &uncore_cpu_mask); | |
3697 | ||
3698 | uncore_change_context(msr_uncores, cpu, target); | |
14371cce | 3699 | uncore_change_context(pci_uncores, cpu, target); |
087bfbb0 YZ |
3700 | } |
3701 | ||
148f9bb8 | 3702 | static void uncore_event_init_cpu(int cpu) |
087bfbb0 YZ |
3703 | { |
3704 | int i, phys_id; | |
3705 | ||
3706 | phys_id = topology_physical_package_id(cpu); | |
3707 | for_each_cpu(i, &uncore_cpu_mask) { | |
3708 | if (phys_id == topology_physical_package_id(i)) | |
3709 | return; | |
3710 | } | |
3711 | ||
3712 | cpumask_set_cpu(cpu, &uncore_cpu_mask); | |
3713 | ||
3714 | uncore_change_context(msr_uncores, -1, cpu); | |
14371cce | 3715 | uncore_change_context(pci_uncores, -1, cpu); |
087bfbb0 YZ |
3716 | } |
3717 | ||
148f9bb8 PG |
3718 | static int uncore_cpu_notifier(struct notifier_block *self, |
3719 | unsigned long action, void *hcpu) | |
087bfbb0 YZ |
3720 | { |
3721 | unsigned int cpu = (long)hcpu; | |
3722 | ||
3723 | /* allocate/free data structure for uncore box */ | |
3724 | switch (action & ~CPU_TASKS_FROZEN) { | |
3725 | case CPU_UP_PREPARE: | |
3726 | uncore_cpu_prepare(cpu, -1); | |
3727 | break; | |
3728 | case CPU_STARTING: | |
3729 | uncore_cpu_starting(cpu); | |
3730 | break; | |
3731 | case CPU_UP_CANCELED: | |
3732 | case CPU_DYING: | |
3733 | uncore_cpu_dying(cpu); | |
3734 | break; | |
22cc4ccf YZ |
3735 | case CPU_ONLINE: |
3736 | case CPU_DEAD: | |
3737 | uncore_kfree_boxes(); | |
3738 | break; | |
087bfbb0 YZ |
3739 | default: |
3740 | break; | |
3741 | } | |
3742 | ||
3743 | /* select the cpu that collects uncore events */ | |
3744 | switch (action & ~CPU_TASKS_FROZEN) { | |
3745 | case CPU_DOWN_FAILED: | |
3746 | case CPU_STARTING: | |
3747 | uncore_event_init_cpu(cpu); | |
3748 | break; | |
3749 | case CPU_DOWN_PREPARE: | |
3750 | uncore_event_exit_cpu(cpu); | |
3751 | break; | |
3752 | default: | |
3753 | break; | |
3754 | } | |
3755 | ||
3756 | return NOTIFY_OK; | |
3757 | } | |
3758 | ||
148f9bb8 | 3759 | static struct notifier_block uncore_cpu_nb = { |
254298c7 | 3760 | .notifier_call = uncore_cpu_notifier, |
087bfbb0 YZ |
3761 | /* |
3762 | * to migrate uncore events, our notifier should be executed | |
3763 | * before perf core's notifier. | |
3764 | */ | |
254298c7 | 3765 | .priority = CPU_PRI_PERF + 1, |
087bfbb0 YZ |
3766 | }; |
3767 | ||
3768 | static void __init uncore_cpu_setup(void *dummy) | |
3769 | { | |
3770 | uncore_cpu_starting(smp_processor_id()); | |
3771 | } | |
3772 | ||
3773 | static int __init uncore_cpu_init(void) | |
3774 | { | |
411cf180 | 3775 | int ret, max_cores; |
087bfbb0 | 3776 | |
42089697 | 3777 | max_cores = boot_cpu_data.x86_max_cores; |
087bfbb0 | 3778 | switch (boot_cpu_data.x86_model) { |
fcde10e9 YZ |
3779 | case 26: /* Nehalem */ |
3780 | case 30: | |
3781 | case 37: /* Westmere */ | |
3782 | case 44: | |
3783 | msr_uncores = nhm_msr_uncores; | |
3784 | break; | |
3785 | case 42: /* Sandy Bridge */ | |
9a6bc143 | 3786 | case 58: /* Ivy Bridge */ |
42089697 YZ |
3787 | if (snb_uncore_cbox.num_boxes > max_cores) |
3788 | snb_uncore_cbox.num_boxes = max_cores; | |
fcde10e9 YZ |
3789 | msr_uncores = snb_msr_uncores; |
3790 | break; | |
80e217e9 | 3791 | case 45: /* Sandy Bridge-EP */ |
42089697 YZ |
3792 | if (snbep_uncore_cbox.num_boxes > max_cores) |
3793 | snbep_uncore_cbox.num_boxes = max_cores; | |
7c94ee2e YZ |
3794 | msr_uncores = snbep_msr_uncores; |
3795 | break; | |
cb37af77 YZ |
3796 | case 46: /* Nehalem-EX */ |
3797 | uncore_nhmex = true; | |
3798 | case 47: /* Westmere-EX aka. Xeon E7 */ | |
3799 | if (!uncore_nhmex) | |
3800 | nhmex_uncore_mbox.event_descs = wsmex_uncore_mbox_events; | |
3801 | if (nhmex_uncore_cbox.num_boxes > max_cores) | |
3802 | nhmex_uncore_cbox.num_boxes = max_cores; | |
254298c7 YZ |
3803 | msr_uncores = nhmex_msr_uncores; |
3804 | break; | |
e850f9c3 YZ |
3805 | case 62: /* IvyTown */ |
3806 | if (ivt_uncore_cbox.num_boxes > max_cores) | |
3807 | ivt_uncore_cbox.num_boxes = max_cores; | |
3808 | msr_uncores = ivt_msr_uncores; | |
3809 | break; | |
3810 | ||
087bfbb0 YZ |
3811 | default: |
3812 | return 0; | |
3813 | } | |
3814 | ||
3815 | ret = uncore_types_init(msr_uncores); | |
3816 | if (ret) | |
3817 | return ret; | |
3818 | ||
087bfbb0 YZ |
3819 | return 0; |
3820 | } | |
3821 | ||
3822 | static int __init uncore_pmus_register(void) | |
3823 | { | |
3824 | struct intel_uncore_pmu *pmu; | |
3825 | struct intel_uncore_type *type; | |
3826 | int i, j; | |
3827 | ||
3828 | for (i = 0; msr_uncores[i]; i++) { | |
3829 | type = msr_uncores[i]; | |
3830 | for (j = 0; j < type->num_boxes; j++) { | |
3831 | pmu = &type->pmus[j]; | |
3832 | uncore_pmu_register(pmu); | |
3833 | } | |
3834 | } | |
3835 | ||
14371cce YZ |
3836 | for (i = 0; pci_uncores[i]; i++) { |
3837 | type = pci_uncores[i]; | |
3838 | for (j = 0; j < type->num_boxes; j++) { | |
3839 | pmu = &type->pmus[j]; | |
3840 | uncore_pmu_register(pmu); | |
3841 | } | |
3842 | } | |
3843 | ||
087bfbb0 YZ |
3844 | return 0; |
3845 | } | |
3846 | ||
411cf180 SE |
3847 | static void uncore_cpumask_init(void) |
3848 | { | |
3849 | int cpu; | |
3850 | ||
3851 | /* | |
3852 | * ony invoke once from msr or pci init code | |
3853 | */ | |
3854 | if (!cpumask_empty(&uncore_cpu_mask)) | |
3855 | return; | |
3856 | ||
3857 | get_online_cpus(); | |
3858 | ||
3859 | for_each_online_cpu(cpu) { | |
3860 | int i, phys_id = topology_physical_package_id(cpu); | |
3861 | ||
3862 | for_each_cpu(i, &uncore_cpu_mask) { | |
3863 | if (phys_id == topology_physical_package_id(i)) { | |
3864 | phys_id = -1; | |
3865 | break; | |
3866 | } | |
3867 | } | |
3868 | if (phys_id < 0) | |
3869 | continue; | |
3870 | ||
3871 | uncore_cpu_prepare(cpu, phys_id); | |
3872 | uncore_event_init_cpu(cpu); | |
3873 | } | |
3874 | on_each_cpu(uncore_cpu_setup, NULL, 1); | |
3875 | ||
3876 | register_cpu_notifier(&uncore_cpu_nb); | |
3877 | ||
3878 | put_online_cpus(); | |
3879 | } | |
3880 | ||
3881 | ||
087bfbb0 YZ |
3882 | static int __init intel_uncore_init(void) |
3883 | { | |
3884 | int ret; | |
3885 | ||
3886 | if (boot_cpu_data.x86_vendor != X86_VENDOR_INTEL) | |
3887 | return -ENODEV; | |
3888 | ||
a05123bd YZ |
3889 | if (cpu_has_hypervisor) |
3890 | return -ENODEV; | |
3891 | ||
14371cce | 3892 | ret = uncore_pci_init(); |
087bfbb0 YZ |
3893 | if (ret) |
3894 | goto fail; | |
14371cce YZ |
3895 | ret = uncore_cpu_init(); |
3896 | if (ret) { | |
3897 | uncore_pci_exit(); | |
3898 | goto fail; | |
3899 | } | |
411cf180 | 3900 | uncore_cpumask_init(); |
087bfbb0 YZ |
3901 | |
3902 | uncore_pmus_register(); | |
3903 | return 0; | |
3904 | fail: | |
3905 | return ret; | |
3906 | } | |
3907 | device_initcall(intel_uncore_init); |