-/*-
- * 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.
+/* SPDX-License-Identifier: BSD-3-Clause
+ * Copyright(c) 2010-2014 Intel Corporation
*/
#include <stdio.h>
#include <sys/types.h>
-#include <rte_config.h>
#include <rte_log.h>
#include <rte_power.h>
#include <rte_spinlock.h>
int
power_manager_init(void)
{
- unsigned i, num_cpus;
+ unsigned int i, num_cpus, num_freqs;
uint64_t cpu_mask;
int ret = 0;
rte_power_set_env(PM_ENV_ACPI_CPUFREQ);
cpu_mask = global_enabled_cpus;
for (i = 0; cpu_mask; cpu_mask &= ~(1 << i++)) {
- if (rte_power_init(i) < 0 || rte_power_freqs(i,
- global_core_freq_info[i].freqs,
- RTE_MAX_LCORE_FREQS) == 0) {
- RTE_LOG(ERR, POWER_MANAGER, "Unable to initialize power manager "
+ if (rte_power_init(i) < 0)
+ RTE_LOG(ERR, POWER_MANAGER,
+ "Unable to initialize power manager "
"for core %u\n", i);
+ num_freqs = rte_power_freqs(i, global_core_freq_info[i].freqs,
+ RTE_MAX_LCORE_FREQS);
+ if (num_freqs == 0) {
+ RTE_LOG(ERR, POWER_MANAGER,
+ "Unable to get frequency list for core %u\n",
+ i);
global_enabled_cpus &= ~(1 << i);
num_cpus--;
ret = -1;
}
+ global_core_freq_info[i].num_freqs = num_freqs;
rte_spinlock_init(&global_core_freq_info[i].power_sl);
}
RTE_LOG(INFO, POWER_MANAGER, "Detected %u host CPUs , enabled core mask:"
return ret;
}
+int
+power_manager_enable_turbo_mask(uint64_t core_mask)
+{
+ int ret = 0;
+
+ POWER_SCALE_MASK(enable_turbo, core_mask, ret);
+ return ret;
+}
+
+int
+power_manager_disable_turbo_mask(uint64_t core_mask)
+{
+ int ret = 0;
+
+ POWER_SCALE_MASK(disable_turbo, core_mask, ret);
+ return ret;
+}
+
int
power_manager_scale_core_up(unsigned core_num)
{
POWER_SCALE_CORE(max, core_num, ret);
return ret;
}
+
+int
+power_manager_enable_turbo_core(unsigned int core_num)
+{
+ int ret = 0;
+
+ POWER_SCALE_CORE(enable_turbo, core_num, ret);
+ return ret;
+}
+
+int
+power_manager_disable_turbo_core(unsigned int core_num)
+{
+ int ret = 0;
+
+ POWER_SCALE_CORE(disable_turbo, core_num, ret);
+ return ret;
+}
+
+int
+power_manager_scale_core_med(unsigned int core_num)
+{
+ int ret = 0;
+
+ if (core_num >= POWER_MGR_MAX_CPUS)
+ return -1;
+ if (!(global_enabled_cpus & (1ULL << core_num)))
+ return -1;
+ rte_spinlock_lock(&global_core_freq_info[core_num].power_sl);
+ ret = rte_power_set_freq(core_num,
+ global_core_freq_info[core_num].num_freqs / 2);
+ rte_spinlock_unlock(&global_core_freq_info[core_num].power_sl);
+ return ret;
+}