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lib
librte_power
rte_power.h
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/* SPDX-License-Identifier: BSD-3-Clause
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* Copyright(c) 2010-2014 Intel Corporation
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*/
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#ifndef _RTE_POWER_H
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#define _RTE_POWER_H
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#include <
rte_common.h
>
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#include <
rte_byteorder.h
>
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#include <
rte_log.h
>
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#include <
rte_string_fns.h
>
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#ifdef __cplusplus
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extern
"C"
{
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#endif
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/* Power Management Environment State */
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enum
power_management_env {PM_ENV_NOT_SET, PM_ENV_ACPI_CPUFREQ, PM_ENV_KVM_VM,
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PM_ENV_PSTATE_CPUFREQ};
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int
rte_power_set_env
(
enum
power_management_env env);
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void
rte_power_unset_env
(
void
);
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enum
power_management_env
rte_power_get_env
(
void
);
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int
rte_power_init
(
unsigned
int
lcore_id);
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int
rte_power_exit
(
unsigned
int
lcore_id);
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typedef
uint32_t (*
rte_power_freqs_t
)(
unsigned
int
lcore_id, uint32_t *freqs,
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uint32_t num);
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extern
rte_power_freqs_t
rte_power_freqs;
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typedef
uint32_t (*
rte_power_get_freq_t
)(
unsigned
int
lcore_id);
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extern
rte_power_get_freq_t
rte_power_get_freq;
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typedef
int (*
rte_power_set_freq_t
)(
unsigned
int
lcore_id, uint32_t index);
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extern
rte_power_set_freq_t
rte_power_set_freq;
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typedef
int (*
rte_power_freq_change_t
)(
unsigned
int
lcore_id);
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extern
rte_power_freq_change_t
rte_power_freq_up
;
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extern
rte_power_freq_change_t
rte_power_freq_down
;
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extern
rte_power_freq_change_t
rte_power_freq_max
;
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extern
rte_power_freq_change_t
rte_power_freq_min
;
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extern
rte_power_freq_change_t
rte_power_turbo_status
;
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extern
rte_power_freq_change_t
rte_power_freq_enable_turbo
;
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extern
rte_power_freq_change_t
rte_power_freq_disable_turbo
;
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struct
rte_power_core_capabilities
{
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RTE_STD_C11
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union
{
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uint64_t capabilities;
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RTE_STD_C11
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struct
{
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uint64_t
turbo
:1;
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};
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};
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};
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typedef
int (*
rte_power_get_capabilities_t
)(
unsigned
int
lcore_id,
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struct
rte_power_core_capabilities
*caps);
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extern
rte_power_get_capabilities_t
rte_power_get_capabilities;
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#ifdef __cplusplus
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}
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#endif
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#endif
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