1
2
3
4#ifndef _PERFMON_H_
5#define _PERFMON_H_
6
7#include <linux/slab.h>
8#include <linux/pci.h>
9#include <linux/sbitmap.h>
10#include <linux/dmaengine.h>
11#include <linux/percpu-rwsem.h>
12#include <linux/wait.h>
13#include <linux/cdev.h>
14#include <linux/uuid.h>
15#include <linux/idxd.h>
16#include <linux/perf_event.h>
17#include "registers.h"
18
19static inline struct idxd_pmu *event_to_pmu(struct perf_event *event)
20{
21 struct idxd_pmu *idxd_pmu;
22 struct pmu *pmu;
23
24 pmu = event->pmu;
25 idxd_pmu = container_of(pmu, struct idxd_pmu, pmu);
26
27 return idxd_pmu;
28}
29
30static inline struct idxd_device *event_to_idxd(struct perf_event *event)
31{
32 struct idxd_pmu *idxd_pmu;
33 struct pmu *pmu;
34
35 pmu = event->pmu;
36 idxd_pmu = container_of(pmu, struct idxd_pmu, pmu);
37
38 return idxd_pmu->idxd;
39}
40
41static inline struct idxd_device *pmu_to_idxd(struct pmu *pmu)
42{
43 struct idxd_pmu *idxd_pmu;
44
45 idxd_pmu = container_of(pmu, struct idxd_pmu, pmu);
46
47 return idxd_pmu->idxd;
48}
49
50enum dsa_perf_events {
51 DSA_PERF_EVENT_WQ = 0,
52 DSA_PERF_EVENT_ENGINE,
53 DSA_PERF_EVENT_ADDR_TRANS,
54 DSA_PERF_EVENT_OP,
55 DSA_PERF_EVENT_COMPL,
56 DSA_PERF_EVENT_MAX,
57};
58
59enum filter_enc {
60 FLT_WQ = 0,
61 FLT_TC,
62 FLT_PG_SZ,
63 FLT_XFER_SZ,
64 FLT_ENG,
65 FLT_MAX,
66};
67
68#define CONFIG_RESET 0x0000000000000001
69#define CNTR_RESET 0x0000000000000002
70#define CNTR_ENABLE 0x0000000000000001
71#define INTR_OVFL 0x0000000000000002
72
73#define COUNTER_FREEZE 0x00000000FFFFFFFF
74#define COUNTER_UNFREEZE 0x0000000000000000
75#define OVERFLOW_SIZE 32
76
77#define CNTRCFG_ENABLE BIT(0)
78#define CNTRCFG_IRQ_OVERFLOW BIT(1)
79#define CNTRCFG_CATEGORY_SHIFT 8
80#define CNTRCFG_EVENT_SHIFT 32
81
82#define PERFMON_TABLE_OFFSET(_idxd) \
83({ \
84 typeof(_idxd) __idxd = (_idxd); \
85 ((__idxd)->reg_base + (__idxd)->perfmon_offset); \
86})
87#define PERFMON_REG_OFFSET(idxd, offset) \
88 (PERFMON_TABLE_OFFSET(idxd) + (offset))
89
90#define PERFCAP_REG(idxd) (PERFMON_REG_OFFSET(idxd, IDXD_PERFCAP_OFFSET))
91#define PERFRST_REG(idxd) (PERFMON_REG_OFFSET(idxd, IDXD_PERFRST_OFFSET))
92#define OVFSTATUS_REG(idxd) (PERFMON_REG_OFFSET(idxd, IDXD_OVFSTATUS_OFFSET))
93#define PERFFRZ_REG(idxd) (PERFMON_REG_OFFSET(idxd, IDXD_PERFFRZ_OFFSET))
94
95#define FLTCFG_REG(idxd, cntr, flt) \
96 (PERFMON_REG_OFFSET(idxd, IDXD_FLTCFG_OFFSET) + ((cntr) * 32) + ((flt) * 4))
97
98#define CNTRCFG_REG(idxd, cntr) \
99 (PERFMON_REG_OFFSET(idxd, IDXD_CNTRCFG_OFFSET) + ((cntr) * 8))
100#define CNTRDATA_REG(idxd, cntr) \
101 (PERFMON_REG_OFFSET(idxd, IDXD_CNTRDATA_OFFSET) + ((cntr) * 8))
102#define CNTRCAP_REG(idxd, cntr) \
103 (PERFMON_REG_OFFSET(idxd, IDXD_CNTRCAP_OFFSET) + ((cntr) * 8))
104
105#define EVNTCAP_REG(idxd, category) \
106 (PERFMON_REG_OFFSET(idxd, IDXD_EVNTCAP_OFFSET) + ((category) * 8))
107
108#define DEFINE_PERFMON_FORMAT_ATTR(_name, _format) \
109static ssize_t __perfmon_idxd_##_name##_show(struct kobject *kobj, \
110 struct kobj_attribute *attr, \
111 char *page) \
112{ \
113 BUILD_BUG_ON(sizeof(_format) >= PAGE_SIZE); \
114 return sprintf(page, _format "\n"); \
115} \
116static struct kobj_attribute format_attr_idxd_##_name = \
117 __ATTR(_name, 0444, __perfmon_idxd_##_name##_show, NULL)
118
119#endif
120
