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Diffstat (limited to 'src/dpdk_lib18/librte_power/rte_power_acpi_cpufreq.h')
| -rwxr-xr-x | src/dpdk_lib18/librte_power/rte_power_acpi_cpufreq.h | 192 |
1 files changed, 0 insertions, 192 deletions
diff --git a/src/dpdk_lib18/librte_power/rte_power_acpi_cpufreq.h b/src/dpdk_lib18/librte_power/rte_power_acpi_cpufreq.h deleted file mode 100755 index 68578e9b..00000000 --- a/src/dpdk_lib18/librte_power/rte_power_acpi_cpufreq.h +++ /dev/null @@ -1,192 +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 chnaged. - * - Negative on error. - */ -int rte_power_acpi_cpufreq_freq_min(unsigned lcore_id); - -#ifdef __cplusplus -} -#endif - -#endif |