ceph/src/seastar/dpdk/app/test/test_power.c

   1 /* SPDX-License-Identifier: BSD-3-Clause
   2  * Copyright(c) 2010-2014 Intel Corporation
   3  */
   4
   5 #include <stdio.h>
   6 #include <stdint.h>
   7 #include <unistd.h>
   8 #include <limits.h>
   9 #include <string.h>
  10 #include <stdbool.h>
  11
  12 #include "test.h"
  13
  14 #ifndef RTE_LIBRTE_POWER
  15
  16 static int
  17 test_power(void)
  18 {
  19         printf("Power management library not supported, skipping test\n");
  20         return TEST_SKIPPED;
  21 }
  22
  23 #else
  24
  25 #include <rte_power.h>
  26
  27 static int
  28 check_function_ptrs(void)
  29 {
  30         enum power_management_env env = rte_power_get_env();
  31
  32         const bool not_null_expected = !(env == PM_ENV_NOT_SET);
  33
  34         const char *inject_not_string1 = not_null_expected ? " not" : "";
  35         const char *inject_not_string2 = not_null_expected ? "" : " not";
  36
  37         if ((rte_power_freqs == NULL) == not_null_expected) {
  38                 printf("rte_power_freqs should%s be NULL, environment has%s been "
  39                                 "initialised\n", inject_not_string1,
  40                                         inject_not_string2);
  41                 return -1;
  42         }
  43         if ((rte_power_get_freq == NULL) == not_null_expected) {
  44                 printf("rte_power_get_freq should%s be NULL, environment has%s been "
  45                                 "initialised\n", inject_not_string1,
  46                                         inject_not_string2);
  47                 return -1;
  48         }
  49         if ((rte_power_set_freq == NULL) == not_null_expected) {
  50                 printf("rte_power_set_freq should%s be NULL, environment has%s been "
  51                                 "initialised\n", inject_not_string1,
  52                                 inject_not_string2);
  53                 return -1;
  54         }
  55         if ((rte_power_freq_up == NULL) == not_null_expected) {
  56                 printf("rte_power_freq_up should%s be NULL, environment has%s been "
  57                                 "initialised\n", inject_not_string1,
  58                                 inject_not_string2);
  59                 return -1;
  60         }
  61         if ((rte_power_freq_down == NULL) == not_null_expected) {
  62                 printf("rte_power_freq_down should%s be NULL, environment has%s been "
  63                                 "initialised\n", inject_not_string1,
  64                                 inject_not_string2);
  65                 return -1;
  66         }
  67         if ((rte_power_freq_max == NULL) == not_null_expected) {
  68                 printf("rte_power_freq_max should%s be NULL, environment has%s been "
  69                                 "initialised\n", inject_not_string1,
  70                                 inject_not_string2);
  71                 return -1;
  72         }
  73         if ((rte_power_freq_min == NULL) == not_null_expected) {
  74                 printf("rte_power_freq_min should%s be NULL, environment has%s been "
  75                                 "initialised\n", inject_not_string1,
  76                                 inject_not_string2);
  77                 return -1;
  78         }
  79         if ((rte_power_turbo_status == NULL) == not_null_expected) {
  80                 printf("rte_power_turbo_status should%s be NULL, environment has%s been "
  81                                 "initialised\n", inject_not_string1,
  82                                 inject_not_string2);
  83                 return -1;
  84         }
  85         if ((rte_power_freq_enable_turbo == NULL) == not_null_expected) {
  86                 printf("rte_power_freq_enable_turbo should%s be NULL, environment has%s been "
  87                                 "initialised\n", inject_not_string1,
  88                                 inject_not_string2);
  89                 return -1;
  90         }
  91         if ((rte_power_freq_disable_turbo == NULL) == not_null_expected) {
  92                 printf("rte_power_freq_disable_turbo should%s be NULL, environment has%s been "
  93                                 "initialised\n", inject_not_string1,
  94                                 inject_not_string2);
  95                 return -1;
  96         }
  97         if ((rte_power_get_capabilities == NULL) == not_null_expected) {
  98                 printf("rte_power_get_capabilities should%s be NULL, environment has%s been "
  99                                 "initialised\n", inject_not_string1,
 100                                 inject_not_string2);
 101                 return -1;
 102         }
 103
 104         return 0;
 105 }
 106
 107 static int
 108 test_power(void)
 109 {
 110         int ret = -1;
 111         enum power_management_env env;
 112
 113         /* Test setting an invalid environment */
 114         ret = rte_power_set_env(PM_ENV_NOT_SET);
 115         if (ret == 0) {
 116                 printf("Unexpectedly succeeded on setting an invalid environment\n");
 117                 return -1;
 118         }
 119
 120         /* Test that the environment has not been set */
 121         env = rte_power_get_env();
 122         if (env != PM_ENV_NOT_SET) {
 123                 printf("Unexpectedly got a valid environment configuration\n");
 124                 return -1;
 125         }
 126
 127         /* Verify that function pointers are NULL */
 128         if (check_function_ptrs() < 0)
 129                 goto fail_all;
 130
 131         rte_power_unset_env();
 132
 133         /* Perform tests for valid environments.*/
 134         const enum power_management_env envs[] = {PM_ENV_ACPI_CPUFREQ,
 135                         PM_ENV_KVM_VM,
 136                         PM_ENV_PSTATE_CPUFREQ};
 137
 138         const int envs_size = sizeof(envs)/sizeof(enum power_management_env);
 139
 140         int i;
 141         for (i = 0; i < envs_size; ++i) {
 142
 143                 /* Test setting a valid environment */
 144                 ret = rte_power_set_env(envs[i]);
 145                 if (ret != 0) {
 146                         printf("Unexpectedly unsucceeded on setting a valid environment\n");
 147                         return -1;
 148                 }
 149
 150                 /* Test that the environment has been set */
 151                 env = rte_power_get_env();
 152                 if (env != envs[i]) {
 153                         printf("Not expected environment configuration\n");
 154                         return -1;
 155                 }
 156
 157                 /* Verify that function pointers are NOT NULL */
 158                 if (check_function_ptrs() < 0)
 159                         goto fail_all;
 160
 161                 rte_power_unset_env();
 162
 163                 /* Verify that function pointers are NULL */
 164                 if (check_function_ptrs() < 0)
 165                         goto fail_all;
 166
 167         }
 168
 169         return 0;
 170 fail_all:
 171         rte_power_unset_env();
 172         return -1;
 173 }
 174 #endif
 175
 176 REGISTER_TEST_COMMAND(power_autotest, test_power);