diff options
Diffstat (limited to 'src/dpdk_lib18/librte_power/rte_power.c')
| -rwxr-xr-x | src/dpdk_lib18/librte_power/rte_power.c | 143 |
1 files changed, 0 insertions, 143 deletions
diff --git a/src/dpdk_lib18/librte_power/rte_power.c b/src/dpdk_lib18/librte_power/rte_power.c deleted file mode 100755 index 998ed1c9..00000000 --- a/src/dpdk_lib18/librte_power/rte_power.c +++ /dev/null @@ -1,143 +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. - */ - -#include <rte_atomic.h> - -#include "rte_power.h" -#include "rte_power_acpi_cpufreq.h" -#include "rte_power_kvm_vm.h" -#include "rte_power_common.h" - -enum power_management_env global_default_env = PM_ENV_NOT_SET; - -volatile uint32_t global_env_cfg_status = 0; - -/* function pointers */ -rte_power_freqs_t rte_power_freqs = NULL; -rte_power_get_freq_t rte_power_get_freq = NULL; -rte_power_set_freq_t rte_power_set_freq = NULL; -rte_power_freq_change_t rte_power_freq_up = NULL; -rte_power_freq_change_t rte_power_freq_down = NULL; -rte_power_freq_change_t rte_power_freq_max = NULL; -rte_power_freq_change_t rte_power_freq_min = NULL; - -int -rte_power_set_env(enum power_management_env env) -{ - if (rte_atomic32_cmpset(&global_env_cfg_status, 0, 1) == 0) { - return 0; - } - if (env == PM_ENV_ACPI_CPUFREQ) { - rte_power_freqs = rte_power_acpi_cpufreq_freqs; - rte_power_get_freq = rte_power_acpi_cpufreq_get_freq; - rte_power_set_freq = rte_power_acpi_cpufreq_set_freq; - rte_power_freq_up = rte_power_acpi_cpufreq_freq_up; - rte_power_freq_down = rte_power_acpi_cpufreq_freq_down; - rte_power_freq_min = rte_power_acpi_cpufreq_freq_min; - rte_power_freq_max = rte_power_acpi_cpufreq_freq_max; - } else if (env == PM_ENV_KVM_VM) { - rte_power_freqs = rte_power_kvm_vm_freqs; - rte_power_get_freq = rte_power_kvm_vm_get_freq; - rte_power_set_freq = rte_power_kvm_vm_set_freq; - rte_power_freq_up = rte_power_kvm_vm_freq_up; - rte_power_freq_down = rte_power_kvm_vm_freq_down; - rte_power_freq_min = rte_power_kvm_vm_freq_min; - rte_power_freq_max = rte_power_kvm_vm_freq_max; - } else { - RTE_LOG(ERR, POWER, "Invalid Power Management Environment(%d) set\n", - env); - rte_power_unset_env(); - return -1; - } - global_default_env = env; - return 0; - -} - -void -rte_power_unset_env(void) -{ - if (rte_atomic32_cmpset(&global_env_cfg_status, 1, 0) != 0) - global_default_env = PM_ENV_NOT_SET; -} - -enum power_management_env -rte_power_get_env(void) { - return global_default_env; -} - -int -rte_power_init(unsigned lcore_id) -{ - int ret = -1; - - if (global_default_env == PM_ENV_ACPI_CPUFREQ) { - return rte_power_acpi_cpufreq_init(lcore_id); - } - if (global_default_env == PM_ENV_KVM_VM) { - return rte_power_kvm_vm_init(lcore_id); - } - /* Auto detect Environment */ - RTE_LOG(INFO, POWER, "Attempting to initialise ACPI cpufreq power " - "management...\n"); - ret = rte_power_acpi_cpufreq_init(lcore_id); - if (ret == 0) { - rte_power_set_env(PM_ENV_ACPI_CPUFREQ); - goto out; - } - - RTE_LOG(INFO, POWER, "Attempting to initialise VM power management...\n"); - ret = rte_power_kvm_vm_init(lcore_id); - if (ret == 0) { - rte_power_set_env(PM_ENV_KVM_VM); - goto out; - } - RTE_LOG(ERR, POWER, "Unable to set Power Management Environment for lcore " - "%u\n", lcore_id); -out: - return ret; -} - -int -rte_power_exit(unsigned lcore_id) -{ - if (global_default_env == PM_ENV_ACPI_CPUFREQ) - return rte_power_acpi_cpufreq_exit(lcore_id); - if (global_default_env == PM_ENV_KVM_VM) - return rte_power_kvm_vm_exit(lcore_id); - - RTE_LOG(ERR, POWER, "Environment has not been set, unable to exit " - "gracefully\n"); - return -1; - -} |