DPDK  20.05.0
rte_power.h
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1 /* SPDX-License-Identifier: BSD-3-Clause
2  * Copyright(c) 2010-2014 Intel Corporation
3  */
4 
5 #ifndef _RTE_POWER_H
6 #define _RTE_POWER_H
7 
13 #include <rte_common.h>
14 #include <rte_byteorder.h>
15 #include <rte_log.h>
16 #include <rte_string_fns.h>
17 
18 #ifdef __cplusplus
19 extern "C" {
20 #endif
21 
22 /* Power Management Environment State */
23 enum power_management_env {PM_ENV_NOT_SET, PM_ENV_ACPI_CPUFREQ, PM_ENV_KVM_VM,
24  PM_ENV_PSTATE_CPUFREQ};
25 
39 int rte_power_set_env(enum power_management_env env);
40 
45 void rte_power_unset_env(void);
46 
53 enum power_management_env rte_power_get_env(void);
54 
67 int rte_power_init(unsigned int lcore_id);
68 
80 int rte_power_exit(unsigned int lcore_id);
81 
97 typedef uint32_t (*rte_power_freqs_t)(unsigned int lcore_id, uint32_t *freqs,
98  uint32_t num);
99 
100 extern rte_power_freqs_t rte_power_freqs;
101 
113 typedef uint32_t (*rte_power_get_freq_t)(unsigned int lcore_id);
114 
115 extern rte_power_get_freq_t rte_power_get_freq;
116 
133 typedef int (*rte_power_set_freq_t)(unsigned int lcore_id, uint32_t index);
134 
135 extern rte_power_set_freq_t rte_power_set_freq;
136 
149 typedef int (*rte_power_freq_change_t)(unsigned int lcore_id);
150 
165 
181 
196 
211 
225 
238 
251 
257  union {
258  uint64_t capabilities;
260  struct {
261  uint64_t turbo:1;
262  uint64_t priority:1;
263  };
264  };
265 };
266 
281 typedef int (*rte_power_get_capabilities_t)(unsigned int lcore_id,
282  struct rte_power_core_capabilities *caps);
283 
284 extern rte_power_get_capabilities_t rte_power_get_capabilities;
285 
286 #ifdef __cplusplus
287 }
288 #endif
289 
290 #endif
void rte_power_unset_env(void)
rte_power_freq_change_t rte_power_freq_up
rte_power_freq_change_t rte_power_freq_down
uint32_t(* rte_power_get_freq_t)(unsigned int lcore_id)
Definition: rte_power.h:113
uint32_t(* rte_power_freqs_t)(unsigned int lcore_id, uint32_t *freqs, uint32_t num)
Definition: rte_power.h:97
int(* rte_power_set_freq_t)(unsigned int lcore_id, uint32_t index)
Definition: rte_power.h:133
rte_power_freq_change_t rte_power_freq_enable_turbo
enum power_management_env rte_power_get_env(void)
rte_power_freq_change_t rte_power_freq_max
int(* rte_power_freq_change_t)(unsigned int lcore_id)
Definition: rte_power.h:149
#define RTE_STD_C11
Definition: rte_common.h:40
rte_power_freq_change_t rte_power_freq_min
rte_power_freq_change_t rte_power_turbo_status
int rte_power_set_env(enum power_management_env env)
rte_power_freq_change_t rte_power_freq_disable_turbo
int rte_power_init(unsigned int lcore_id)
int(* rte_power_get_capabilities_t)(unsigned int lcore_id, struct rte_power_core_capabilities *caps)
Definition: rte_power.h:281
int rte_power_exit(unsigned int lcore_id)