Revert "perf/x86/intel/uncore: Move uncore_box_init() out of driver initialization"
[linux-2.6-block.git] / arch / x86 / kernel / cpu / perf_event_intel_uncore.h
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1#include <linux/module.h>
2#include <linux/slab.h>
14371cce 3#include <linux/pci.h>
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4#include <linux/perf_event.h>
5#include "perf_event.h"
6
7#define UNCORE_PMU_NAME_LEN 32
7740dfc0 8#define UNCORE_PMU_HRTIMER_INTERVAL (60LL * NSEC_PER_SEC)
ced2efb0 9#define UNCORE_SNB_IMC_HRTIMER_INTERVAL (5ULL * NSEC_PER_SEC)
087bfbb0 10
eca26c99 11#define UNCORE_FIXED_EVENT 0xff
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12#define UNCORE_PMC_IDX_MAX_GENERIC 8
13#define UNCORE_PMC_IDX_FIXED UNCORE_PMC_IDX_MAX_GENERIC
14#define UNCORE_PMC_IDX_MAX (UNCORE_PMC_IDX_FIXED + 1)
15
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16#define UNCORE_PCI_DEV_DATA(type, idx) ((type << 8) | idx)
17#define UNCORE_PCI_DEV_TYPE(data) ((data >> 8) & 0xff)
18#define UNCORE_PCI_DEV_IDX(data) (data & 0xff)
19#define UNCORE_EXTRA_PCI_DEV 0xff
5306c31c 20#define UNCORE_EXTRA_PCI_DEV_MAX 3
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21
22/* support up to 8 sockets */
23#define UNCORE_SOCKET_MAX 8
24
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25#define UNCORE_EVENT_CONSTRAINT(c, n) EVENT_CONSTRAINT(c, n, 0xff)
26
27struct intel_uncore_ops;
28struct intel_uncore_pmu;
29struct intel_uncore_box;
30struct uncore_event_desc;
31
32struct intel_uncore_type {
33 const char *name;
34 int num_counters;
35 int num_boxes;
36 int perf_ctr_bits;
37 int fixed_ctr_bits;
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38 unsigned perf_ctr;
39 unsigned event_ctl;
40 unsigned event_mask;
41 unsigned fixed_ctr;
42 unsigned fixed_ctl;
43 unsigned box_ctl;
44 unsigned msr_offset;
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45 unsigned num_shared_regs:8;
46 unsigned single_fixed:1;
254298c7 47 unsigned pair_ctr_ctl:1;
cb37af77 48 unsigned *msr_offsets;
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49 struct event_constraint unconstrainted;
50 struct event_constraint *constraints;
51 struct intel_uncore_pmu *pmus;
52 struct intel_uncore_ops *ops;
53 struct uncore_event_desc *event_descs;
314d9f63 54 const struct attribute_group *attr_groups[4];
d64b25b6 55 struct pmu *pmu; /* for custom pmu ops */
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56};
57
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58#define pmu_group attr_groups[0]
59#define format_group attr_groups[1]
60#define events_group attr_groups[2]
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61
62struct intel_uncore_ops {
63 void (*init_box)(struct intel_uncore_box *);
64 void (*disable_box)(struct intel_uncore_box *);
65 void (*enable_box)(struct intel_uncore_box *);
66 void (*disable_event)(struct intel_uncore_box *, struct perf_event *);
67 void (*enable_event)(struct intel_uncore_box *, struct perf_event *);
68 u64 (*read_counter)(struct intel_uncore_box *, struct perf_event *);
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69 int (*hw_config)(struct intel_uncore_box *, struct perf_event *);
70 struct event_constraint *(*get_constraint)(struct intel_uncore_box *,
71 struct perf_event *);
72 void (*put_constraint)(struct intel_uncore_box *, struct perf_event *);
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73};
74
75struct intel_uncore_pmu {
76 struct pmu pmu;
77 char name[UNCORE_PMU_NAME_LEN];
78 int pmu_idx;
79 int func_id;
80 struct intel_uncore_type *type;
81 struct intel_uncore_box ** __percpu box;
14371cce 82 struct list_head box_list;
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83};
84
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85struct intel_uncore_extra_reg {
86 raw_spinlock_t lock;
254298c7 87 u64 config, config1, config2;
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88 atomic_t ref;
89};
90
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91struct intel_uncore_box {
92 int phys_id;
93 int n_active; /* number of active events */
94 int n_events;
95 int cpu; /* cpu to collect events */
96 unsigned long flags;
97 atomic_t refcnt;
98 struct perf_event *events[UNCORE_PMC_IDX_MAX];
99 struct perf_event *event_list[UNCORE_PMC_IDX_MAX];
b371b594 100 struct event_constraint *event_constraint[UNCORE_PMC_IDX_MAX];
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101 unsigned long active_mask[BITS_TO_LONGS(UNCORE_PMC_IDX_MAX)];
102 u64 tags[UNCORE_PMC_IDX_MAX];
14371cce 103 struct pci_dev *pci_dev;
087bfbb0 104 struct intel_uncore_pmu *pmu;
79859cce 105 u64 hrtimer_duration; /* hrtimer timeout for this box */
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106 struct hrtimer hrtimer;
107 struct list_head list;
ced2efb0 108 struct list_head active_list;
b9e1ab6d 109 void *io_addr;
6a67943a 110 struct intel_uncore_extra_reg shared_regs[0];
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111};
112
113#define UNCORE_BOX_FLAG_INITIATED 0
114
115struct uncore_event_desc {
116 struct kobj_attribute attr;
117 const char *config;
118};
119
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120ssize_t uncore_event_show(struct kobject *kobj,
121 struct kobj_attribute *attr, char *buf);
122
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123#define INTEL_UNCORE_EVENT_DESC(_name, _config) \
124{ \
125 .attr = __ATTR(_name, 0444, uncore_event_show, NULL), \
126 .config = _config, \
127}
128
129#define DEFINE_UNCORE_FORMAT_ATTR(_var, _name, _format) \
130static ssize_t __uncore_##_var##_show(struct kobject *kobj, \
131 struct kobj_attribute *attr, \
132 char *page) \
133{ \
134 BUILD_BUG_ON(sizeof(_format) >= PAGE_SIZE); \
135 return sprintf(page, _format "\n"); \
136} \
137static struct kobj_attribute format_attr_##_var = \
138 __ATTR(_name, 0444, __uncore_##_var##_show, NULL)
139
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140static inline unsigned uncore_pci_box_ctl(struct intel_uncore_box *box)
141{
142 return box->pmu->type->box_ctl;
143}
144
145static inline unsigned uncore_pci_fixed_ctl(struct intel_uncore_box *box)
146{
147 return box->pmu->type->fixed_ctl;
148}
149
150static inline unsigned uncore_pci_fixed_ctr(struct intel_uncore_box *box)
151{
152 return box->pmu->type->fixed_ctr;
153}
154
155static inline
156unsigned uncore_pci_event_ctl(struct intel_uncore_box *box, int idx)
157{
158 return idx * 4 + box->pmu->type->event_ctl;
159}
160
161static inline
162unsigned uncore_pci_perf_ctr(struct intel_uncore_box *box, int idx)
163{
164 return idx * 8 + box->pmu->type->perf_ctr;
165}
166
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167static inline unsigned uncore_msr_box_offset(struct intel_uncore_box *box)
168{
169 struct intel_uncore_pmu *pmu = box->pmu;
170 return pmu->type->msr_offsets ?
171 pmu->type->msr_offsets[pmu->pmu_idx] :
172 pmu->type->msr_offset * pmu->pmu_idx;
173}
174
175static inline unsigned uncore_msr_box_ctl(struct intel_uncore_box *box)
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176{
177 if (!box->pmu->type->box_ctl)
178 return 0;
cb37af77 179 return box->pmu->type->box_ctl + uncore_msr_box_offset(box);
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180}
181
cb37af77 182static inline unsigned uncore_msr_fixed_ctl(struct intel_uncore_box *box)
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183{
184 if (!box->pmu->type->fixed_ctl)
185 return 0;
cb37af77 186 return box->pmu->type->fixed_ctl + uncore_msr_box_offset(box);
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187}
188
cb37af77 189static inline unsigned uncore_msr_fixed_ctr(struct intel_uncore_box *box)
087bfbb0 190{
cb37af77 191 return box->pmu->type->fixed_ctr + uncore_msr_box_offset(box);
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192}
193
194static inline
195unsigned uncore_msr_event_ctl(struct intel_uncore_box *box, int idx)
196{
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197 return box->pmu->type->event_ctl +
198 (box->pmu->type->pair_ctr_ctl ? 2 * idx : idx) +
cb37af77 199 uncore_msr_box_offset(box);
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200}
201
202static inline
203unsigned uncore_msr_perf_ctr(struct intel_uncore_box *box, int idx)
204{
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205 return box->pmu->type->perf_ctr +
206 (box->pmu->type->pair_ctr_ctl ? 2 * idx : idx) +
cb37af77 207 uncore_msr_box_offset(box);
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208}
209
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210static inline
211unsigned uncore_fixed_ctl(struct intel_uncore_box *box)
212{
213 if (box->pci_dev)
214 return uncore_pci_fixed_ctl(box);
215 else
216 return uncore_msr_fixed_ctl(box);
217}
218
219static inline
220unsigned uncore_fixed_ctr(struct intel_uncore_box *box)
221{
222 if (box->pci_dev)
223 return uncore_pci_fixed_ctr(box);
224 else
225 return uncore_msr_fixed_ctr(box);
226}
227
228static inline
229unsigned uncore_event_ctl(struct intel_uncore_box *box, int idx)
230{
231 if (box->pci_dev)
232 return uncore_pci_event_ctl(box, idx);
233 else
234 return uncore_msr_event_ctl(box, idx);
235}
236
237static inline
238unsigned uncore_perf_ctr(struct intel_uncore_box *box, int idx)
239{
240 if (box->pci_dev)
241 return uncore_pci_perf_ctr(box, idx);
242 else
243 return uncore_msr_perf_ctr(box, idx);
244}
245
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246static inline int uncore_perf_ctr_bits(struct intel_uncore_box *box)
247{
248 return box->pmu->type->perf_ctr_bits;
249}
250
251static inline int uncore_fixed_ctr_bits(struct intel_uncore_box *box)
252{
253 return box->pmu->type->fixed_ctr_bits;
254}
255
256static inline int uncore_num_counters(struct intel_uncore_box *box)
257{
258 return box->pmu->type->num_counters;
259}
260
261static inline void uncore_disable_box(struct intel_uncore_box *box)
262{
263 if (box->pmu->type->ops->disable_box)
264 box->pmu->type->ops->disable_box(box);
265}
266
267static inline void uncore_enable_box(struct intel_uncore_box *box)
268{
269 if (box->pmu->type->ops->enable_box)
270 box->pmu->type->ops->enable_box(box);
271}
272
273static inline void uncore_disable_event(struct intel_uncore_box *box,
274 struct perf_event *event)
275{
276 box->pmu->type->ops->disable_event(box, event);
277}
278
279static inline void uncore_enable_event(struct intel_uncore_box *box,
280 struct perf_event *event)
281{
282 box->pmu->type->ops->enable_event(box, event);
283}
284
285static inline u64 uncore_read_counter(struct intel_uncore_box *box,
286 struct perf_event *event)
287{
288 return box->pmu->type->ops->read_counter(box, event);
289}
290
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291static inline void uncore_box_init(struct intel_uncore_box *box)
292{
293 if (!test_and_set_bit(UNCORE_BOX_FLAG_INITIATED, &box->flags)) {
294 if (box->pmu->type->ops->init_box)
295 box->pmu->type->ops->init_box(box);
296 }
297}
298
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299static inline bool uncore_box_is_fake(struct intel_uncore_box *box)
300{
301 return (box->phys_id < 0);
302}
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303
304struct intel_uncore_pmu *uncore_event_to_pmu(struct perf_event *event);
305struct intel_uncore_box *uncore_pmu_to_box(struct intel_uncore_pmu *pmu, int cpu);
306struct intel_uncore_box *uncore_event_to_box(struct perf_event *event);
307u64 uncore_msr_read_counter(struct intel_uncore_box *box, struct perf_event *event);
308void uncore_pmu_start_hrtimer(struct intel_uncore_box *box);
309void uncore_pmu_cancel_hrtimer(struct intel_uncore_box *box);
310void uncore_pmu_event_read(struct perf_event *event);
311void uncore_perf_event_update(struct intel_uncore_box *box, struct perf_event *event);
312struct event_constraint *
313uncore_get_constraint(struct intel_uncore_box *box, struct perf_event *event);
314void uncore_put_constraint(struct intel_uncore_box *box, struct perf_event *event);
315u64 uncore_shared_reg_config(struct intel_uncore_box *box, int idx);
316
317extern struct intel_uncore_type **uncore_msr_uncores;
318extern struct intel_uncore_type **uncore_pci_uncores;
319extern struct pci_driver *uncore_pci_driver;
320extern int uncore_pcibus_to_physid[256];
321extern struct pci_dev *uncore_extra_pci_dev[UNCORE_SOCKET_MAX][UNCORE_EXTRA_PCI_DEV_MAX];
322extern struct event_constraint uncore_constraint_empty;
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323
324/* perf_event_intel_uncore_snb.c */
325int snb_uncore_pci_init(void);
326int ivb_uncore_pci_init(void);
327int hsw_uncore_pci_init(void);
328void snb_uncore_cpu_init(void);
329void nhm_uncore_cpu_init(void);
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330
331/* perf_event_intel_uncore_snbep.c */
332int snbep_uncore_pci_init(void);
333void snbep_uncore_cpu_init(void);
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334int ivbep_uncore_pci_init(void);
335void ivbep_uncore_cpu_init(void);
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336int hswep_uncore_pci_init(void);
337void hswep_uncore_cpu_init(void);
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338
339/* perf_event_intel_uncore_nhmex.c */
340void nhmex_uncore_cpu_init(void);