1
2
3
4
5
6
7
8
9
10#ifndef _ASM_S390_PERF_EVENT_H
11#define _ASM_S390_PERF_EVENT_H
12
13#include <linux/perf_event.h>
14#include <linux/device.h>
15#include <asm/stacktrace.h>
16
17
18#define PMU_F_RESERVED 0x1000
19#define PMU_F_ENABLED 0x2000
20#define PMU_F_IN_USE 0x4000
21#define PMU_F_ERR_IBE 0x0100
22#define PMU_F_ERR_LSDA 0x0200
23#define PMU_F_ERR_MASK (PMU_F_ERR_IBE|PMU_F_ERR_LSDA)
24
25
26extern __init const struct attribute_group **cpumf_cf_event_group(void);
27extern ssize_t cpumf_events_sysfs_show(struct device *dev,
28 struct device_attribute *attr,
29 char *page);
30#define EVENT_VAR(_cat, _name) event_attr_##_cat##_##_name
31#define EVENT_PTR(_cat, _name) (&EVENT_VAR(_cat, _name).attr.attr)
32
33#define CPUMF_EVENT_ATTR(cat, name, id) \
34 PMU_EVENT_ATTR(name, EVENT_VAR(cat, name), id, cpumf_events_sysfs_show)
35#define CPUMF_EVENT_PTR(cat, name) EVENT_PTR(cat, name)
36
37
38
39struct pt_regs;
40extern unsigned long perf_instruction_pointer(struct pt_regs *regs);
41extern unsigned long perf_misc_flags(struct pt_regs *regs);
42#define perf_misc_flags(regs) perf_misc_flags(regs)
43#define perf_arch_bpf_user_pt_regs(regs) ®s->user_regs
44
45
46struct perf_sf_sde_regs {
47 unsigned char in_guest:1;
48 unsigned long reserved:63;
49};
50
51
52#define PERF_CPUM_CF_MAX_CTR 0xffffUL
53
54
55#define PERF_CPUM_SF_MAX_CTR 2
56#define PERF_EVENT_CPUM_SF 0xB0000UL
57#define PERF_EVENT_CPUM_SF_DIAG 0xBD000UL
58#define PERF_EVENT_CPUM_CF_DIAG 0xBC000UL
59#define PERF_CPUM_SF_BASIC_MODE 0x0001
60#define PERF_CPUM_SF_DIAG_MODE 0x0002
61#define PERF_CPUM_SF_MODE_MASK (PERF_CPUM_SF_BASIC_MODE| \
62 PERF_CPUM_SF_DIAG_MODE)
63#define PERF_CPUM_SF_FULL_BLOCKS 0x0004
64#define PERF_CPUM_SF_FREQ_MODE 0x0008
65
66#define REG_NONE 0
67#define REG_OVERFLOW 1
68#define OVERFLOW_REG(hwc) ((hwc)->extra_reg.config)
69#define SFB_ALLOC_REG(hwc) ((hwc)->extra_reg.alloc)
70#define TEAR_REG(hwc) ((hwc)->last_tag)
71#define SAMPL_RATE(hwc) ((hwc)->event_base)
72#define SAMPL_FLAGS(hwc) ((hwc)->config_base)
73#define SAMPL_DIAG_MODE(hwc) (SAMPL_FLAGS(hwc) & PERF_CPUM_SF_DIAG_MODE)
74#define SDB_FULL_BLOCKS(hwc) (SAMPL_FLAGS(hwc) & PERF_CPUM_SF_FULL_BLOCKS)
75#define SAMPLE_FREQ_MODE(hwc) (SAMPL_FLAGS(hwc) & PERF_CPUM_SF_FREQ_MODE)
76
77#define perf_arch_fetch_caller_regs(regs, __ip) do { \
78 (regs)->psw.addr = (__ip); \
79 (regs)->gprs[15] = (unsigned long)__builtin_frame_address(0) - \
80 offsetof(struct stack_frame, back_chain); \
81} while (0)
82
83#endif
84