power: support cppc_cpufreq driver

[dpdk.git] / lib / power / rte_power.c

diff --git a/lib/power/rte_power.c b/lib/power/rte_power.c
index 98eaba9..3cba56b 100644 (file)
--- a/lib/power/rte_power.c
+++ b/lib/power/rte_power.c
@@ -7,6 +7,7 @@
 
 #include "rte_power.h"
 #include "power_acpi_cpufreq.h"
+#include "power_cppc_cpufreq.h"
 #include "power_kvm_vm.h"
 #include "power_pstate_cpufreq.h"
 #include "power_common.h"
@@ -54,6 +55,8 @@ rte_power_check_env_supported(enum power_management_env env)
                return power_pstate_cpufreq_check_supported();
        case PM_ENV_KVM_VM:
                return power_kvm_vm_check_supported();
+       case PM_ENV_CPPC_CPUFREQ:
+               return power_cppc_cpufreq_check_supported();
        default:
                rte_errno = EINVAL;
                return -1;
@@ -110,6 +113,18 @@ rte_power_set_env(enum power_management_env env)
                rte_power_freq_disable_turbo = power_pstate_disable_turbo;
                rte_power_get_capabilities = power_pstate_get_capabilities;
 
+       } else if (env == PM_ENV_CPPC_CPUFREQ) {
+               rte_power_freqs = power_cppc_cpufreq_freqs;
+               rte_power_get_freq = power_cppc_cpufreq_get_freq;
+               rte_power_set_freq = power_cppc_cpufreq_set_freq;
+               rte_power_freq_up = power_cppc_cpufreq_freq_up;
+               rte_power_freq_down = power_cppc_cpufreq_freq_down;
+               rte_power_freq_min = power_cppc_cpufreq_freq_min;
+               rte_power_freq_max = power_cppc_cpufreq_freq_max;
+               rte_power_turbo_status = power_cppc_turbo_status;
+               rte_power_freq_enable_turbo = power_cppc_enable_turbo;
+               rte_power_freq_disable_turbo = power_cppc_disable_turbo;
+               rte_power_get_capabilities = power_cppc_get_capabilities;
        } else {
                RTE_LOG(ERR, POWER, "Invalid Power Management Environment(%d) set\n",
                                env);
@@ -153,6 +168,8 @@ rte_power_init(unsigned int lcore_id)
                return power_kvm_vm_init(lcore_id);
        case PM_ENV_PSTATE_CPUFREQ:
                return power_pstate_cpufreq_init(lcore_id);
+       case PM_ENV_CPPC_CPUFREQ:
+               return power_cppc_cpufreq_init(lcore_id);
        default:
                RTE_LOG(INFO, POWER, "Env isn't set yet!\n");
        }
@@ -172,6 +189,13 @@ rte_power_init(unsigned int lcore_id)
                goto out;
        }
 
+       RTE_LOG(INFO, POWER, "Attempting to initialise CPPC power management...\n");
+       ret = power_cppc_cpufreq_init(lcore_id);
+       if (ret == 0) {
+               rte_power_set_env(PM_ENV_CPPC_CPUFREQ);
+               goto out;
+       }
+
        RTE_LOG(INFO, POWER, "Attempting to initialise VM power management...\n");
        ret = power_kvm_vm_init(lcore_id);
        if (ret == 0) {
@@ -194,6 +218,8 @@ rte_power_exit(unsigned int lcore_id)
                return power_kvm_vm_exit(lcore_id);
        case PM_ENV_PSTATE_CPUFREQ:
                return power_pstate_cpufreq_exit(lcore_id);
+       case PM_ENV_CPPC_CPUFREQ:
+               return power_cppc_cpufreq_exit(lcore_id);
        default:
                RTE_LOG(ERR, POWER, "Environment has not been set, unable to exit gracefully\n");