1 #include <linux/slab.h>
3 #include <asm/apicdef.h>
5 #include <linux/perf_event.h>
6 #include "../perf_event.h"
8 #define UNCORE_PMU_NAME_LEN 32
9 #define UNCORE_PMU_HRTIMER_INTERVAL (60LL * NSEC_PER_SEC)
10 #define UNCORE_SNB_IMC_HRTIMER_INTERVAL (5ULL * NSEC_PER_SEC)
12 #define UNCORE_FIXED_EVENT 0xff
13 #define UNCORE_PMC_IDX_MAX_GENERIC 8
14 #define UNCORE_PMC_IDX_FIXED UNCORE_PMC_IDX_MAX_GENERIC
15 #define UNCORE_PMC_IDX_MAX (UNCORE_PMC_IDX_FIXED + 1)
17 #define UNCORE_PCI_DEV_FULL_DATA(dev, func, type, idx) \
18 ((dev << 24) | (func << 16) | (type << 8) | idx)
19 #define UNCORE_PCI_DEV_DATA(type, idx) ((type << 8) | idx)
20 #define UNCORE_PCI_DEV_DEV(data) ((data >> 24) & 0xff)
21 #define UNCORE_PCI_DEV_FUNC(data) ((data >> 16) & 0xff)
22 #define UNCORE_PCI_DEV_TYPE(data) ((data >> 8) & 0xff)
23 #define UNCORE_PCI_DEV_IDX(data) (data & 0xff)
24 #define UNCORE_EXTRA_PCI_DEV 0xff
25 #define UNCORE_EXTRA_PCI_DEV_MAX 3
27 #define UNCORE_EVENT_CONSTRAINT(c, n) EVENT_CONSTRAINT(c, n, 0xff)
29 struct pci_extra_dev
{
30 struct pci_dev
*dev
[UNCORE_EXTRA_PCI_DEV_MAX
];
33 struct intel_uncore_ops
;
34 struct intel_uncore_pmu
;
35 struct intel_uncore_box
;
36 struct uncore_event_desc
;
38 struct intel_uncore_type
{
51 unsigned num_shared_regs
:8;
52 unsigned single_fixed
:1;
53 unsigned pair_ctr_ctl
:1;
54 unsigned *msr_offsets
;
55 struct event_constraint unconstrainted
;
56 struct event_constraint
*constraints
;
57 struct intel_uncore_pmu
*pmus
;
58 struct intel_uncore_ops
*ops
;
59 struct uncore_event_desc
*event_descs
;
60 const struct attribute_group
*attr_groups
[4];
61 struct pmu
*pmu
; /* for custom pmu ops */
64 #define pmu_group attr_groups[0]
65 #define format_group attr_groups[1]
66 #define events_group attr_groups[2]
68 struct intel_uncore_ops
{
69 void (*init_box
)(struct intel_uncore_box
*);
70 void (*exit_box
)(struct intel_uncore_box
*);
71 void (*disable_box
)(struct intel_uncore_box
*);
72 void (*enable_box
)(struct intel_uncore_box
*);
73 void (*disable_event
)(struct intel_uncore_box
*, struct perf_event
*);
74 void (*enable_event
)(struct intel_uncore_box
*, struct perf_event
*);
75 u64 (*read_counter
)(struct intel_uncore_box
*, struct perf_event
*);
76 int (*hw_config
)(struct intel_uncore_box
*, struct perf_event
*);
77 struct event_constraint
*(*get_constraint
)(struct intel_uncore_box
*,
79 void (*put_constraint
)(struct intel_uncore_box
*, struct perf_event
*);
82 struct intel_uncore_pmu
{
84 char name
[UNCORE_PMU_NAME_LEN
];
89 struct intel_uncore_type
*type
;
90 struct intel_uncore_box
**boxes
;
93 struct intel_uncore_extra_reg
{
95 u64 config
, config1
, config2
;
99 struct intel_uncore_box
{
102 int n_active
; /* number of active events */
104 int cpu
; /* cpu to collect events */
107 struct perf_event
*events
[UNCORE_PMC_IDX_MAX
];
108 struct perf_event
*event_list
[UNCORE_PMC_IDX_MAX
];
109 struct event_constraint
*event_constraint
[UNCORE_PMC_IDX_MAX
];
110 unsigned long active_mask
[BITS_TO_LONGS(UNCORE_PMC_IDX_MAX
)];
111 u64 tags
[UNCORE_PMC_IDX_MAX
];
112 struct pci_dev
*pci_dev
;
113 struct intel_uncore_pmu
*pmu
;
114 u64 hrtimer_duration
; /* hrtimer timeout for this box */
115 struct hrtimer hrtimer
;
116 struct list_head list
;
117 struct list_head active_list
;
119 struct intel_uncore_extra_reg shared_regs
[0];
122 #define UNCORE_BOX_FLAG_INITIATED 0
124 struct uncore_event_desc
{
125 struct kobj_attribute attr
;
130 struct list_head list
;
132 int pbus_to_physid
[256];
135 struct pci2phy_map
*__find_pci2phy_map(int segment
);
137 ssize_t
uncore_event_show(struct kobject
*kobj
,
138 struct kobj_attribute
*attr
, char *buf
);
140 #define INTEL_UNCORE_EVENT_DESC(_name, _config) \
142 .attr = __ATTR(_name, 0444, uncore_event_show, NULL), \
146 #define DEFINE_UNCORE_FORMAT_ATTR(_var, _name, _format) \
147 static ssize_t __uncore_##_var##_show(struct kobject *kobj, \
148 struct kobj_attribute *attr, \
151 BUILD_BUG_ON(sizeof(_format) >= PAGE_SIZE); \
152 return sprintf(page, _format "\n"); \
154 static struct kobj_attribute format_attr_##_var = \
155 __ATTR(_name, 0444, __uncore_##_var##_show, NULL)
157 static inline unsigned uncore_pci_box_ctl(struct intel_uncore_box
*box
)
159 return box
->pmu
->type
->box_ctl
;
162 static inline unsigned uncore_pci_fixed_ctl(struct intel_uncore_box
*box
)
164 return box
->pmu
->type
->fixed_ctl
;
167 static inline unsigned uncore_pci_fixed_ctr(struct intel_uncore_box
*box
)
169 return box
->pmu
->type
->fixed_ctr
;
173 unsigned uncore_pci_event_ctl(struct intel_uncore_box
*box
, int idx
)
175 return idx
* 4 + box
->pmu
->type
->event_ctl
;
179 unsigned uncore_pci_perf_ctr(struct intel_uncore_box
*box
, int idx
)
181 return idx
* 8 + box
->pmu
->type
->perf_ctr
;
184 static inline unsigned uncore_msr_box_offset(struct intel_uncore_box
*box
)
186 struct intel_uncore_pmu
*pmu
= box
->pmu
;
187 return pmu
->type
->msr_offsets
?
188 pmu
->type
->msr_offsets
[pmu
->pmu_idx
] :
189 pmu
->type
->msr_offset
* pmu
->pmu_idx
;
192 static inline unsigned uncore_msr_box_ctl(struct intel_uncore_box
*box
)
194 if (!box
->pmu
->type
->box_ctl
)
196 return box
->pmu
->type
->box_ctl
+ uncore_msr_box_offset(box
);
199 static inline unsigned uncore_msr_fixed_ctl(struct intel_uncore_box
*box
)
201 if (!box
->pmu
->type
->fixed_ctl
)
203 return box
->pmu
->type
->fixed_ctl
+ uncore_msr_box_offset(box
);
206 static inline unsigned uncore_msr_fixed_ctr(struct intel_uncore_box
*box
)
208 return box
->pmu
->type
->fixed_ctr
+ uncore_msr_box_offset(box
);
212 unsigned uncore_msr_event_ctl(struct intel_uncore_box
*box
, int idx
)
214 return box
->pmu
->type
->event_ctl
+
215 (box
->pmu
->type
->pair_ctr_ctl
? 2 * idx
: idx
) +
216 uncore_msr_box_offset(box
);
220 unsigned uncore_msr_perf_ctr(struct intel_uncore_box
*box
, int idx
)
222 return box
->pmu
->type
->perf_ctr
+
223 (box
->pmu
->type
->pair_ctr_ctl
? 2 * idx
: idx
) +
224 uncore_msr_box_offset(box
);
228 unsigned uncore_fixed_ctl(struct intel_uncore_box
*box
)
231 return uncore_pci_fixed_ctl(box
);
233 return uncore_msr_fixed_ctl(box
);
237 unsigned uncore_fixed_ctr(struct intel_uncore_box
*box
)
240 return uncore_pci_fixed_ctr(box
);
242 return uncore_msr_fixed_ctr(box
);
246 unsigned uncore_event_ctl(struct intel_uncore_box
*box
, int idx
)
249 return uncore_pci_event_ctl(box
, idx
);
251 return uncore_msr_event_ctl(box
, idx
);
255 unsigned uncore_perf_ctr(struct intel_uncore_box
*box
, int idx
)
258 return uncore_pci_perf_ctr(box
, idx
);
260 return uncore_msr_perf_ctr(box
, idx
);
263 static inline int uncore_perf_ctr_bits(struct intel_uncore_box
*box
)
265 return box
->pmu
->type
->perf_ctr_bits
;
268 static inline int uncore_fixed_ctr_bits(struct intel_uncore_box
*box
)
270 return box
->pmu
->type
->fixed_ctr_bits
;
273 static inline int uncore_num_counters(struct intel_uncore_box
*box
)
275 return box
->pmu
->type
->num_counters
;
278 static inline void uncore_disable_box(struct intel_uncore_box
*box
)
280 if (box
->pmu
->type
->ops
->disable_box
)
281 box
->pmu
->type
->ops
->disable_box(box
);
284 static inline void uncore_enable_box(struct intel_uncore_box
*box
)
286 if (box
->pmu
->type
->ops
->enable_box
)
287 box
->pmu
->type
->ops
->enable_box(box
);
290 static inline void uncore_disable_event(struct intel_uncore_box
*box
,
291 struct perf_event
*event
)
293 box
->pmu
->type
->ops
->disable_event(box
, event
);
296 static inline void uncore_enable_event(struct intel_uncore_box
*box
,
297 struct perf_event
*event
)
299 box
->pmu
->type
->ops
->enable_event(box
, event
);
302 static inline u64
uncore_read_counter(struct intel_uncore_box
*box
,
303 struct perf_event
*event
)
305 return box
->pmu
->type
->ops
->read_counter(box
, event
);
308 static inline void uncore_box_init(struct intel_uncore_box
*box
)
310 if (!test_and_set_bit(UNCORE_BOX_FLAG_INITIATED
, &box
->flags
)) {
311 if (box
->pmu
->type
->ops
->init_box
)
312 box
->pmu
->type
->ops
->init_box(box
);
316 static inline void uncore_box_exit(struct intel_uncore_box
*box
)
318 if (test_and_clear_bit(UNCORE_BOX_FLAG_INITIATED
, &box
->flags
)) {
319 if (box
->pmu
->type
->ops
->exit_box
)
320 box
->pmu
->type
->ops
->exit_box(box
);
324 static inline bool uncore_box_is_fake(struct intel_uncore_box
*box
)
326 return (box
->pkgid
< 0);
329 static inline struct intel_uncore_pmu
*uncore_event_to_pmu(struct perf_event
*event
)
331 return container_of(event
->pmu
, struct intel_uncore_pmu
, pmu
);
334 static inline struct intel_uncore_box
*uncore_event_to_box(struct perf_event
*event
)
336 return event
->pmu_private
;
339 struct intel_uncore_box
*uncore_pmu_to_box(struct intel_uncore_pmu
*pmu
, int cpu
);
340 u64
uncore_msr_read_counter(struct intel_uncore_box
*box
, struct perf_event
*event
);
341 void uncore_pmu_start_hrtimer(struct intel_uncore_box
*box
);
342 void uncore_pmu_cancel_hrtimer(struct intel_uncore_box
*box
);
343 void uncore_pmu_event_read(struct perf_event
*event
);
344 void uncore_perf_event_update(struct intel_uncore_box
*box
, struct perf_event
*event
);
345 struct event_constraint
*
346 uncore_get_constraint(struct intel_uncore_box
*box
, struct perf_event
*event
);
347 void uncore_put_constraint(struct intel_uncore_box
*box
, struct perf_event
*event
);
348 u64
uncore_shared_reg_config(struct intel_uncore_box
*box
, int idx
);
350 extern struct intel_uncore_type
**uncore_msr_uncores
;
351 extern struct intel_uncore_type
**uncore_pci_uncores
;
352 extern struct pci_driver
*uncore_pci_driver
;
353 extern raw_spinlock_t pci2phy_map_lock
;
354 extern struct list_head pci2phy_map_head
;
355 extern struct pci_extra_dev
*uncore_extra_pci_dev
;
356 extern struct event_constraint uncore_constraint_empty
;
358 /* perf_event_intel_uncore_snb.c */
359 int snb_uncore_pci_init(void);
360 int ivb_uncore_pci_init(void);
361 int hsw_uncore_pci_init(void);
362 int bdw_uncore_pci_init(void);
363 int skl_uncore_pci_init(void);
364 void snb_uncore_cpu_init(void);
365 void nhm_uncore_cpu_init(void);
366 void skl_uncore_cpu_init(void);
367 int snb_pci2phy_map_init(int devid
);
369 /* perf_event_intel_uncore_snbep.c */
370 int snbep_uncore_pci_init(void);
371 void snbep_uncore_cpu_init(void);
372 int ivbep_uncore_pci_init(void);
373 void ivbep_uncore_cpu_init(void);
374 int hswep_uncore_pci_init(void);
375 void hswep_uncore_cpu_init(void);
376 int bdx_uncore_pci_init(void);
377 void bdx_uncore_cpu_init(void);
378 int knl_uncore_pci_init(void);
379 void knl_uncore_cpu_init(void);
381 /* perf_event_intel_uncore_nhmex.c */
382 void nhmex_uncore_cpu_init(void);