DPDK  22.11.0-rc0
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_log.h>
15 #include <rte_power_guest_channel.h>
16 
17 #ifdef __cplusplus
18 extern "C" {
19 #endif
20 
21 /* Power Management Environment State */
22 enum power_management_env {PM_ENV_NOT_SET, PM_ENV_ACPI_CPUFREQ, PM_ENV_KVM_VM,
23  PM_ENV_PSTATE_CPUFREQ, PM_ENV_CPPC_CPUFREQ};
24 
40 __rte_experimental
41 int rte_power_check_env_supported(enum power_management_env env);
42 
56 int rte_power_set_env(enum power_management_env env);
57 
62 void rte_power_unset_env(void);
63 
70 enum power_management_env rte_power_get_env(void);
71 
84 int rte_power_init(unsigned int lcore_id);
85 
97 int rte_power_exit(unsigned int lcore_id);
98 
114 typedef uint32_t (*rte_power_freqs_t)(unsigned int lcore_id, uint32_t *freqs,
115  uint32_t num);
116 
117 extern rte_power_freqs_t rte_power_freqs;
118 
130 typedef uint32_t (*rte_power_get_freq_t)(unsigned int lcore_id);
131 
132 extern rte_power_get_freq_t rte_power_get_freq;
133 
150 typedef int (*rte_power_set_freq_t)(unsigned int lcore_id, uint32_t index);
151 
152 extern rte_power_set_freq_t rte_power_set_freq;
153 
166 typedef int (*rte_power_freq_change_t)(unsigned int lcore_id);
167 
182 
198 
213 
228 
242 
255 
268 
274  union {
275  uint64_t capabilities;
277  struct {
278  uint64_t turbo:1;
279  uint64_t priority:1;
280  };
281  };
282 };
283 
298 typedef int (*rte_power_get_capabilities_t)(unsigned int lcore_id,
299  struct rte_power_core_capabilities *caps);
300 
301 extern rte_power_get_capabilities_t rte_power_get_capabilities;
302 
303 #ifdef __cplusplus
304 }
305 #endif
306 
307 #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:130
__rte_experimental int rte_power_check_env_supported(enum power_management_env env)
uint32_t(* rte_power_freqs_t)(unsigned int lcore_id, uint32_t *freqs, uint32_t num)
Definition: rte_power.h:114
int(* rte_power_set_freq_t)(unsigned int lcore_id, uint32_t index)
Definition: rte_power.h:150
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:166
#define RTE_STD_C11
Definition: rte_common.h:39
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:298
int rte_power_exit(unsigned int lcore_id)