30a1de105a
These header includes have been flagged by the iwyu_tool and removed. Signed-off-by: Sean Morrissey <sean.morrissey@intel.com>
200 lines
4.0 KiB
C
200 lines
4.0 KiB
C
/* SPDX-License-Identifier: BSD-3-Clause
|
|
* Copyright(c) 2010-2014 Intel Corporation
|
|
*/
|
|
|
|
#ifndef _POWER_KVM_VM_H
|
|
#define _POWER_KVM_VM_H
|
|
|
|
/**
|
|
* @file
|
|
* RTE Power Management KVM VM
|
|
*/
|
|
|
|
#include "rte_power.h"
|
|
|
|
/**
|
|
* Check if KVM power management is supported.
|
|
*
|
|
* @return
|
|
* - 1 if supported
|
|
* - 0 if unsupported
|
|
* - -1 if error, with rte_errno indicating reason for error.
|
|
*/
|
|
int power_kvm_vm_check_supported(void);
|
|
|
|
/**
|
|
* Initialize power management for a specific lcore.
|
|
*
|
|
* @param lcore_id
|
|
* lcore id.
|
|
*
|
|
* @return
|
|
* - 0 on success.
|
|
* - Negative on error.
|
|
*/
|
|
int power_kvm_vm_init(unsigned int lcore_id);
|
|
|
|
/**
|
|
* Exit power management on a specific lcore.
|
|
*
|
|
* @param lcore_id
|
|
* lcore id.
|
|
*
|
|
* @return
|
|
* - 0 on success.
|
|
* - Negative on error.
|
|
*/
|
|
int power_kvm_vm_exit(unsigned int lcore_id);
|
|
|
|
/**
|
|
* Get the available frequencies of a specific lcore.
|
|
* It is not currently supported for VM Power Management.
|
|
*
|
|
* @param lcore_id
|
|
* lcore id.
|
|
* @param freqs
|
|
* The buffer array to save the frequencies.
|
|
* @param num
|
|
* The number of frequencies to get.
|
|
*
|
|
* @return
|
|
* -ENOTSUP
|
|
*/
|
|
uint32_t power_kvm_vm_freqs(unsigned int lcore_id, uint32_t *freqs,
|
|
uint32_t num);
|
|
|
|
/**
|
|
* Return the current index of available frequencies of a specific lcore.
|
|
* It is not currently supported for VM Power Management.
|
|
*
|
|
* @param lcore_id
|
|
* lcore id.
|
|
*
|
|
* @return
|
|
* -ENOTSUP
|
|
*/
|
|
uint32_t power_kvm_vm_get_freq(unsigned int lcore_id);
|
|
|
|
/**
|
|
* Set the new frequency for a specific lcore by indicating the index of
|
|
* available frequencies.
|
|
* It is not currently supported for VM Power Management.
|
|
*
|
|
* @param lcore_id
|
|
* lcore id.
|
|
* @param index
|
|
* The index of available frequencies.
|
|
*
|
|
* @return
|
|
* -ENOTSUP
|
|
*/
|
|
int power_kvm_vm_set_freq(unsigned int lcore_id, uint32_t index);
|
|
|
|
/**
|
|
* Scale up the frequency of a specific lcore. This request is forwarded to the
|
|
* host monitor.
|
|
* It should be protected outside of this function for threadsafe.
|
|
*
|
|
* @param lcore_id
|
|
* lcore id.
|
|
*
|
|
* @return
|
|
* - 1 on success.
|
|
* - Negative on error.
|
|
*/
|
|
int power_kvm_vm_freq_up(unsigned int lcore_id);
|
|
|
|
/**
|
|
* Scale down the frequency of a specific lcore according to the available
|
|
* frequencies.
|
|
* It should be protected outside of this function for threadsafe.
|
|
*
|
|
* @param lcore_id
|
|
* lcore id.
|
|
*
|
|
* @return
|
|
* - 1 on success.
|
|
* - Negative on error.
|
|
*/
|
|
int power_kvm_vm_freq_down(unsigned int lcore_id);
|
|
|
|
/**
|
|
* Scale up the frequency of a specific lcore to the highest according to the
|
|
* available frequencies.
|
|
* It should be protected outside of this function for threadsafe.
|
|
*
|
|
* @param lcore_id
|
|
* lcore id.
|
|
*
|
|
* @return
|
|
* - 1 on success.
|
|
* - Negative on error.
|
|
*/
|
|
int power_kvm_vm_freq_max(unsigned int lcore_id);
|
|
|
|
/**
|
|
* Scale down the frequency of a specific lcore to the lowest according to the
|
|
* available frequencies.
|
|
* It should be protected outside of this function for threadsafe.
|
|
*
|
|
* @param lcore_id
|
|
* lcore id.
|
|
*
|
|
* @return
|
|
* - 1 on success.
|
|
* - Negative on error.
|
|
*/
|
|
int power_kvm_vm_freq_min(unsigned int lcore_id);
|
|
|
|
/**
|
|
* It should be protected outside of this function for threadsafe.
|
|
*
|
|
* @param lcore_id
|
|
* lcore id.
|
|
*
|
|
* @return
|
|
* -ENOTSUP
|
|
*/
|
|
int power_kvm_vm_turbo_status(unsigned int lcore_id);
|
|
|
|
/**
|
|
* It should be protected outside of this function for threadsafe.
|
|
*
|
|
* @param lcore_id
|
|
* lcore id.
|
|
*
|
|
* @return
|
|
* - 1 on success.
|
|
* - Negative on error.
|
|
*/
|
|
int power_kvm_vm_enable_turbo(unsigned int lcore_id);
|
|
|
|
/**
|
|
* It should be protected outside of this function for threadsafe.
|
|
*
|
|
* @param lcore_id
|
|
* lcore id.
|
|
*
|
|
* @return
|
|
* - 1 on success.
|
|
* - Negative on error.
|
|
*/
|
|
int power_kvm_vm_disable_turbo(unsigned int lcore_id);
|
|
|
|
/**
|
|
* Returns power capabilities for a specific lcore.
|
|
*
|
|
* @param lcore_id
|
|
* lcore id.
|
|
* @param caps
|
|
* pointer to rte_power_core_capabilities object.
|
|
*
|
|
* @return
|
|
* - 0 on success.
|
|
* - Negative on error.
|
|
*/
|
|
int power_kvm_vm_get_capabilities(unsigned int lcore_id,
|
|
struct rte_power_core_capabilities *caps);
|
|
|
|
#endif
|