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authorLuca Boccassi <luca.boccassi@gmail.com>2018-02-19 11:16:57 +0000
committerLuca Boccassi <luca.boccassi@gmail.com>2018-02-19 11:17:28 +0000
commitca33590b6af032bff57d9cc70455660466a654b2 (patch)
tree0b68b090bd9b4a78a3614b62400b29279d76d553 /lib/librte_power/rte_power_acpi_cpufreq.h
parent169a9de21e263aa6599cdc2d87a45ae158d9f509 (diff)
New upstream version 18.02upstream/18.02
Change-Id: I89ed24cb2a49b78fe5be6970b99dd46c1499fcc3 Signed-off-by: Luca Boccassi <luca.boccassi@gmail.com>
Diffstat (limited to 'lib/librte_power/rte_power_acpi_cpufreq.h')
-rw-r--r--lib/librte_power/rte_power_acpi_cpufreq.h232
1 files changed, 0 insertions, 232 deletions
diff --git a/lib/librte_power/rte_power_acpi_cpufreq.h b/lib/librte_power/rte_power_acpi_cpufreq.h
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--- a/lib/librte_power/rte_power_acpi_cpufreq.h
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@@ -1,232 +0,0 @@
-/*-
- * BSD LICENSE
- *
- * Copyright(c) 2010-2014 Intel Corporation. All rights reserved.
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- *
- * * Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- * * Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in
- * the documentation and/or other materials provided with the
- * distribution.
- * * Neither the name of Intel Corporation nor the names of its
- * contributors may be used to endorse or promote products derived
- * from this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
- * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
- * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
- * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
- * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
- * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- */
-
-#ifndef _RTE_POWER_ACPI_CPUFREQ_H
-#define _RTE_POWER_ACPI_CPUFREQ_H
-
-/**
- * @file
- * RTE Power Management via userspace ACPI cpufreq
- */
-
-#include <rte_common.h>
-#include <rte_byteorder.h>
-#include <rte_log.h>
-#include <rte_string_fns.h>
-
-#ifdef __cplusplus
-extern "C" {
-#endif
-
-/**
- * Initialize power management for a specific lcore. It will check and set the
- * governor to userspace for the lcore, get the available frequencies, and
- * prepare to set new lcore frequency.
- *
- * @param lcore_id
- * lcore id.
- *
- * @return
- * - 0 on success.
- * - Negative on error.
- */
-int rte_power_acpi_cpufreq_init(unsigned lcore_id);
-
-/**
- * Exit power management on a specific lcore. It will set the governor to which
- * is before initialized.
- *
- * @param lcore_id
- * lcore id.
- *
- * @return
- * - 0 on success.
- * - Negative on error.
- */
-int rte_power_acpi_cpufreq_exit(unsigned lcore_id);
-
-/**
- * Get the available frequencies of a specific lcore. The return value will be
- * the minimal one of the total number of available frequencies and the number
- * of buffer. The index of available frequencies used in other interfaces
- * should be in the range of 0 to this return value.
- * It should be protected outside of this function for threadsafe.
- *
- * @param lcore_id
- * lcore id.
- * @param freqs
- * The buffer array to save the frequencies.
- * @param num
- * The number of frequencies to get.
- *
- * @return
- * The number of available frequencies.
- */
-uint32_t rte_power_acpi_cpufreq_freqs(unsigned lcore_id, uint32_t *freqs,
- uint32_t num);
-
-/**
- * Return the current index of available frequencies of a specific lcore. It
- * will return 'RTE_POWER_INVALID_FREQ_INDEX = (~0)' if error.
- * It should be protected outside of this function for threadsafe.
- *
- * @param lcore_id
- * lcore id.
- *
- * @return
- * The current index of available frequencies.
- */
-uint32_t rte_power_acpi_cpufreq_get_freq(unsigned lcore_id);
-
-/**
- * Set the new frequency for a specific lcore by indicating the index of
- * available frequencies.
- * It should be protected outside of this function for threadsafe.
- *
- * @param lcore_id
- * lcore id.
- * @param index
- * The index of available frequencies.
- *
- * @return
- * - 1 on success with frequency changed.
- * - 0 on success without frequency changed.
- * - Negative on error.
- */
-int rte_power_acpi_cpufreq_set_freq(unsigned lcore_id, uint32_t index);
-
-/**
- * Scale up 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 with frequency changed.
- * - 0 on success without frequency changed.
- * - Negative on error.
- */
-int rte_power_acpi_cpufreq_freq_up(unsigned 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 with frequency changed.
- * - 0 on success without frequency changed.
- * - Negative on error.
- */
-int rte_power_acpi_cpufreq_freq_down(unsigned 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 with frequency changed.
- * - 0 on success without frequency changed.
- * - Negative on error.
- */
-int rte_power_acpi_cpufreq_freq_max(unsigned 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 with frequency changed.
- * - 0 on success without frequency changed.
- * - Negative on error.
- */
-int rte_power_acpi_cpufreq_freq_min(unsigned lcore_id);
-
-/**
- * Get the turbo status of a specific lcore.
- * It should be protected outside of this function for threadsafe.
- *
- * @param lcore_id
- * lcore id.
- *
- * @return
- * - 1 Turbo Boost is enabled on this lcore.
- * - 0 Turbo Boost is disabled on this lcore.
- * - Negative on error.
- */
-int rte_power_acpi_turbo_status(unsigned int lcore_id);
-
-/**
- * Enable Turbo Boost on a specific lcore.
- * It should be protected outside of this function for threadsafe.
- *
- * @param lcore_id
- * lcore id.
- *
- * @return
- * - 0 Turbo Boost is enabled successfully on this lcore.
- * - Negative on error.
- */
-int rte_power_acpi_enable_turbo(unsigned int lcore_id);
-
-/**
- * Disable Turbo Boost on a specific lcore.
- * It should be protected outside of this function for threadsafe.
- *
- * @param lcore_id
- * lcore id.
- *
- * @return
- * - 0 Turbo Boost disabled successfully on this lcore.
- * - Negative on error.
- */
-int rte_power_acpi_disable_turbo(unsigned int lcore_id);
-
-#ifdef __cplusplus
-}
-#endif
-
-#endif