1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
|
/* SPDX-License-Identifier: GPL-2.0-only */
/*
* (C) 2010,2011 Thomas Renninger <trenn@suse.de>, Novell Inc.
*
* Miscellaneous helpers which do not fit or are worth
* to put into separate headers
*/
#ifndef __CPUPOWERUTILS_HELPERS__
#define __CPUPOWERUTILS_HELPERS__
#include <libintl.h>
#include <locale.h>
#include <stdbool.h>
#include "helpers/bitmask.h"
#include <cpupower.h>
/* Internationalization ****************************/
#ifdef NLS
#define _(String) gettext(String)
#ifndef gettext_noop
#define gettext_noop(String) String
#endif
#define N_(String) gettext_noop(String)
#else /* !NLS */
#define _(String) String
#define N_(String) String
#endif
/* Internationalization ****************************/
extern int run_as_root;
extern int base_cpu;
extern struct bitmask *cpus_chosen;
/* Global verbose (-d) stuff *********************************/
/*
* define DEBUG via global Makefile variable
* Debug output is sent to stderr, do:
* cpupower monitor 2>/tmp/debug
* to split debug output away from normal output
*/
#ifdef DEBUG
extern int be_verbose;
#define dprint(fmt, ...) { \
if (be_verbose) { \
fprintf(stderr, "%s: " fmt, \
__func__, ##__VA_ARGS__); \
} \
}
#else
static inline void dprint(const char *fmt, ...) { }
#endif
extern int be_verbose;
/* Global verbose (-v) stuff *********************************/
/* cpuid and cpuinfo helpers **************************/
enum cpupower_cpu_vendor {X86_VENDOR_UNKNOWN = 0, X86_VENDOR_INTEL,
X86_VENDOR_AMD, X86_VENDOR_HYGON, X86_VENDOR_MAX};
#define CPUPOWER_CAP_INV_TSC 0x00000001
#define CPUPOWER_CAP_APERF 0x00000002
#define CPUPOWER_CAP_AMD_CPB 0x00000004
#define CPUPOWER_CAP_PERF_BIAS 0x00000008
#define CPUPOWER_CAP_HAS_TURBO_RATIO 0x00000010
#define CPUPOWER_CAP_IS_SNB 0x00000020
#define CPUPOWER_CAP_INTEL_IDA 0x00000040
#define CPUPOWER_CAP_AMD_RDPRU 0x00000080
#define CPUPOWER_CAP_AMD_HW_PSTATE 0x00000100
#define CPUPOWER_CAP_AMD_PSTATEDEF 0x00000200
#define CPUPOWER_CAP_AMD_CPB_MSR 0x00000400
#define CPUPOWER_CAP_AMD_PSTATE 0x00000800
#define CPUPOWER_AMD_CPBDIS 0x02000000
#define MAX_HW_PSTATES 10
struct cpupower_cpu_info {
enum cpupower_cpu_vendor vendor;
unsigned int family;
unsigned int model;
unsigned int stepping;
/* CPU capabilities read out from cpuid */
unsigned long long caps;
};
/* get_cpu_info
*
* Extract CPU vendor, family, model, stepping info from /proc/cpuinfo
*
* Returns 0 on success or a negative error code
* Only used on x86, below global's struct values are zero/unknown on
* other archs
*/
extern int get_cpu_info(struct cpupower_cpu_info *cpu_info);
extern struct cpupower_cpu_info cpupower_cpu_info;
/* cpuid and cpuinfo helpers **************************/
/* X86 ONLY ****************************************/
#if defined(__i386__) || defined(__x86_64__)
#include <pci/pci.h>
/* Read/Write msr ****************************/
extern int read_msr(int cpu, unsigned int idx, unsigned long long *val);
extern int write_msr(int cpu, unsigned int idx, unsigned long long val);
extern int cpupower_intel_set_perf_bias(unsigned int cpu, unsigned int val);
extern int cpupower_intel_get_perf_bias(unsigned int cpu);
extern unsigned long long msr_intel_get_turbo_ratio(unsigned int cpu);
/* Read/Write msr ****************************/
/* PCI stuff ****************************/
extern int amd_pci_get_num_boost_states(int *active, int *states);
extern struct pci_dev *pci_acc_init(struct pci_access **pacc, int domain,
int bus, int slot, int func, int vendor,
int dev);
extern struct pci_dev *pci_slot_func_init(struct pci_access **pacc,
int slot, int func);
/* PCI stuff ****************************/
/* AMD HW pstate decoding **************************/
extern int decode_pstates(unsigned int cpu, int boost_states,
unsigned long *pstates, int *no);
/* AMD HW pstate decoding **************************/
extern int cpufreq_has_boost_support(unsigned int cpu, int *support,
int *active, int * states);
/* AMD P-State stuff **************************/
bool cpupower_amd_pstate_enabled(void);
/* AMD P-State stuff **************************/
/*
* CPUID functions returning a single datum
*/
unsigned int cpuid_eax(unsigned int op);
unsigned int cpuid_ebx(unsigned int op);
unsigned int cpuid_ecx(unsigned int op);
unsigned int cpuid_edx(unsigned int op);
/* cpuid and cpuinfo helpers **************************/
/* X86 ONLY ********************************************/
#else
static inline int decode_pstates(unsigned int cpu, int boost_states,
unsigned long *pstates, int *no)
{ return -1; };
static inline int read_msr(int cpu, unsigned int idx, unsigned long long *val)
{ return -1; };
static inline int write_msr(int cpu, unsigned int idx, unsigned long long val)
{ return -1; };
static inline int cpupower_intel_set_perf_bias(unsigned int cpu, unsigned int val)
{ return -1; };
static inline int cpupower_intel_get_perf_bias(unsigned int cpu)
{ return -1; };
static inline unsigned long long msr_intel_get_turbo_ratio(unsigned int cpu)
{ return 0; };
/* Read/Write msr ****************************/
static inline int cpufreq_has_boost_support(unsigned int cpu, int *support,
int *active, int * states)
{ return -1; }
static inline bool cpupower_amd_pstate_enabled(void)
{ return false; }
/* cpuid and cpuinfo helpers **************************/
static inline unsigned int cpuid_eax(unsigned int op) { return 0; };
static inline unsigned int cpuid_ebx(unsigned int op) { return 0; };
static inline unsigned int cpuid_ecx(unsigned int op) { return 0; };
static inline unsigned int cpuid_edx(unsigned int op) { return 0; };
#endif /* defined(__i386__) || defined(__x86_64__) */
/*
* CPU State related functions
*/
extern struct bitmask *online_cpus;
extern struct bitmask *offline_cpus;
void get_cpustate(void);
void print_online_cpus(void);
void print_offline_cpus(void);
#endif /* __CPUPOWERUTILS_HELPERS__ */
|
