test/test/test_power_kvm_vm.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
  11 #include "test.h"
  12
  13 #ifndef RTE_LIBRTE_POWER
  14
  15 static int
  16 test_power_kvm_vm(void)
  17 {
  18         printf("Power management library not supported, skipping test\n");
  19         return TEST_SKIPPED;
  20 }
  21
  22 #else
  23 #include <rte_power.h>
  24
  25 #define TEST_POWER_VM_LCORE_ID            0U
  26 #define TEST_POWER_VM_LCORE_OUT_OF_BOUNDS (RTE_MAX_LCORE+1)
  27 #define TEST_POWER_VM_LCORE_INVALID       1U
  28
  29 static int
  30 test_power_kvm_vm(void)
  31 {
  32         int ret;
  33         enum power_management_env env;
  34
  35         ret = rte_power_set_env(PM_ENV_KVM_VM);
  36         if (ret != 0) {
  37                 printf("Failed on setting environment to PM_ENV_KVM_VM\n");
  38                 return -1;
  39         }
  40
  41         /* Test environment configuration */
  42         env = rte_power_get_env();
  43         if (env != PM_ENV_KVM_VM) {
  44                 printf("Unexpectedly got a Power Management environment other than "
  45                                 "KVM VM\n");
  46                 rte_power_unset_env();
  47                 return -1;
  48         }
  49
  50         /* verify that function pointers are not NULL */
  51         if (rte_power_freqs == NULL) {
  52                 printf("rte_power_freqs should not be NULL, environment has not been "
  53                                 "initialised\n");
  54                 return -1;
  55         }
  56         if (rte_power_get_freq == NULL) {
  57                 printf("rte_power_get_freq should not be NULL, environment has not "
  58                                 "been initialised\n");
  59                 return -1;
  60         }
  61         if (rte_power_set_freq == NULL) {
  62                 printf("rte_power_set_freq should not be NULL, environment has not "
  63                                 "been initialised\n");
  64                 return -1;
  65         }
  66         if (rte_power_freq_up == NULL) {
  67                 printf("rte_power_freq_up should not be NULL, environment has not "
  68                                 "been initialised\n");
  69                 return -1;
  70         }
  71         if (rte_power_freq_down == NULL) {
  72                 printf("rte_power_freq_down should not be NULL, environment has not "
  73                                 "been initialised\n");
  74                 return -1;
  75         }
  76         if (rte_power_freq_max == NULL) {
  77                 printf("rte_power_freq_max should not be NULL, environment has not "
  78                                 "been initialised\n");
  79                 return -1;
  80         }
  81         if (rte_power_freq_min == NULL) {
  82                 printf("rte_power_freq_min should not be NULL, environment has not "
  83                                 "been initialised\n");
  84                 return -1;
  85         }
  86         /* Test initialisation of an out of bounds lcore */
  87         ret = rte_power_init(TEST_POWER_VM_LCORE_OUT_OF_BOUNDS);
  88         if (ret != -1) {
  89                 printf("rte_power_init unexpectedly succeeded on an invalid lcore %u\n",
  90                                 TEST_POWER_VM_LCORE_OUT_OF_BOUNDS);
  91                 rte_power_unset_env();
  92                 return -1;
  93         }
  94
  95         /* Test initialisation of a valid lcore */
  96         ret = rte_power_init(TEST_POWER_VM_LCORE_ID);
  97         if (ret < 0) {
  98                 printf("Cannot initialise power management for lcore %u, this "
  99                                 "may occur if environment is not configured "
 100                                 "correctly(KVM VM) or operating in another valid "
 101                                 "Power management environment\n", TEST_POWER_VM_LCORE_ID);
 102                 rte_power_unset_env();
 103                 return -1;
 104         }
 105
 106         /* Test initialisation of previously initialised lcore */
 107         ret = rte_power_init(TEST_POWER_VM_LCORE_ID);
 108         if (ret == 0) {
 109                 printf("rte_power_init unexpectedly succeeded on calling init twice on"
 110                                 " lcore %u\n", TEST_POWER_VM_LCORE_ID);
 111                 goto fail_all;
 112         }
 113
 114         /* Test frequency up of invalid lcore */
 115         ret = rte_power_freq_up(TEST_POWER_VM_LCORE_OUT_OF_BOUNDS);
 116         if (ret == 1) {
 117                 printf("rte_power_freq_up unexpectedly succeeded on invalid lcore %u\n",
 118                                 TEST_POWER_VM_LCORE_OUT_OF_BOUNDS);
 119                 goto fail_all;
 120         }
 121
 122         /* Test frequency down of invalid lcore */
 123         ret = rte_power_freq_down(TEST_POWER_VM_LCORE_OUT_OF_BOUNDS);
 124         if (ret == 1) {
 125                 printf("rte_power_freq_down unexpectedly succeeded on invalid lcore "
 126                                 "%u\n", TEST_POWER_VM_LCORE_OUT_OF_BOUNDS);
 127                 goto fail_all;
 128         }
 129
 130         /* Test frequency min of invalid lcore */
 131         ret = rte_power_freq_min(TEST_POWER_VM_LCORE_OUT_OF_BOUNDS);
 132         if (ret == 1) {
 133                 printf("rte_power_freq_min unexpectedly succeeded on invalid lcore "
 134                                 "%u\n", TEST_POWER_VM_LCORE_OUT_OF_BOUNDS);
 135                 goto fail_all;
 136         }
 137
 138         /* Test frequency max of invalid lcore */
 139         ret = rte_power_freq_max(TEST_POWER_VM_LCORE_OUT_OF_BOUNDS);
 140         if (ret == 1) {
 141                 printf("rte_power_freq_max unexpectedly succeeded on invalid lcore "
 142                                 "%u\n", TEST_POWER_VM_LCORE_OUT_OF_BOUNDS);
 143                 goto fail_all;
 144         }
 145
 146         /* Test frequency up of valid but uninitialised lcore */
 147         ret = rte_power_freq_up(TEST_POWER_VM_LCORE_INVALID);
 148         if (ret == 1) {
 149                 printf("rte_power_freq_up unexpectedly succeeded on invalid lcore %u\n",
 150                                 TEST_POWER_VM_LCORE_INVALID);
 151                 goto fail_all;
 152         }
 153
 154         /* Test frequency down of valid but uninitialised lcore */
 155         ret = rte_power_freq_down(TEST_POWER_VM_LCORE_INVALID);
 156         if (ret == 1) {
 157                 printf("rte_power_freq_down unexpectedly succeeded on invalid lcore "
 158                                 "%u\n", TEST_POWER_VM_LCORE_INVALID);
 159                 goto fail_all;
 160         }
 161
 162         /* Test frequency min of valid but uninitialised lcore */
 163         ret = rte_power_freq_min(TEST_POWER_VM_LCORE_INVALID);
 164         if (ret == 1) {
 165                 printf("rte_power_freq_min unexpectedly succeeded on invalid lcore "
 166                                 "%u\n", TEST_POWER_VM_LCORE_INVALID);
 167                 goto fail_all;
 168         }
 169
 170         /* Test frequency max of valid but uninitialised lcore */
 171         ret = rte_power_freq_max(TEST_POWER_VM_LCORE_INVALID);
 172         if (ret == 1) {
 173                 printf("rte_power_freq_max unexpectedly succeeded on invalid lcore "
 174                                 "%u\n", TEST_POWER_VM_LCORE_INVALID);
 175                 goto fail_all;
 176         }
 177
 178         /* Test frequency up of valid lcore */
 179         ret = rte_power_freq_up(TEST_POWER_VM_LCORE_ID);
 180         if (ret != 1) {
 181                 printf("rte_power_freq_up unexpectedly failed on valid lcore %u\n",
 182                                 TEST_POWER_VM_LCORE_ID);
 183                 goto fail_all;
 184         }
 185
 186         /* Test frequency down of valid lcore */
 187         ret = rte_power_freq_down(TEST_POWER_VM_LCORE_ID);
 188         if (ret != 1) {
 189                 printf("rte_power_freq_down unexpectedly failed on valid lcore "
 190                                 "%u\n", TEST_POWER_VM_LCORE_ID);
 191                 goto fail_all;
 192         }
 193
 194         /* Test frequency min of valid lcore */
 195         ret = rte_power_freq_min(TEST_POWER_VM_LCORE_ID);
 196         if (ret != 1) {
 197                 printf("rte_power_freq_min unexpectedly failed on valid lcore "
 198                                 "%u\n", TEST_POWER_VM_LCORE_ID);
 199                 goto fail_all;
 200         }
 201
 202         /* Test frequency max of valid lcore */
 203         ret = rte_power_freq_max(TEST_POWER_VM_LCORE_ID);
 204         if (ret != 1) {
 205                 printf("rte_power_freq_max unexpectedly failed on valid lcore "
 206                                 "%u\n", TEST_POWER_VM_LCORE_ID);
 207                 goto fail_all;
 208         }
 209
 210         /* Test unsupported rte_power_freqs */
 211         ret = rte_power_freqs(TEST_POWER_VM_LCORE_ID, NULL, 0);
 212         if (ret != -ENOTSUP) {
 213                 printf("rte_power_freqs did not return the expected -ENOTSUP(%d) but "
 214                                 "returned %d\n", -ENOTSUP, ret);
 215                 goto fail_all;
 216         }
 217
 218         /* Test unsupported rte_power_get_freq */
 219         ret = rte_power_get_freq(TEST_POWER_VM_LCORE_ID);
 220         if (ret != -ENOTSUP) {
 221                 printf("rte_power_get_freq did not return the expected -ENOTSUP(%d) but"
 222                                 " returned %d for lcore %u\n",
 223                                 -ENOTSUP, ret, TEST_POWER_VM_LCORE_ID);
 224                 goto fail_all;
 225         }
 226
 227         /* Test unsupported rte_power_set_freq */
 228         ret = rte_power_set_freq(TEST_POWER_VM_LCORE_ID, 0);
 229         if (ret != -ENOTSUP) {
 230                 printf("rte_power_set_freq did not return the expected -ENOTSUP(%d) but"
 231                                 " returned %d for lcore %u\n",
 232                                 -ENOTSUP, ret, TEST_POWER_VM_LCORE_ID);
 233                 goto fail_all;
 234         }
 235
 236         /* Test removing of an lcore */
 237         ret = rte_power_exit(TEST_POWER_VM_LCORE_ID);
 238         if (ret != 0) {
 239                 printf("rte_power_exit unexpectedly failed on valid lcore %u,"
 240                                 "please ensure that the environment has been configured "
 241                                 "correctly\n", TEST_POWER_VM_LCORE_ID);
 242                 goto fail_all;
 243         }
 244
 245         /* Test frequency up of previously removed lcore */
 246         ret = rte_power_freq_up(TEST_POWER_VM_LCORE_ID);
 247         if (ret == 0) {
 248                 printf("rte_power_freq_up unexpectedly succeeded on a removed "
 249                                 "lcore %u\n", TEST_POWER_VM_LCORE_ID);
 250                 return -1;
 251         }
 252
 253         /* Test frequency down of previously removed lcore */
 254         ret = rte_power_freq_down(TEST_POWER_VM_LCORE_ID);
 255         if (ret == 0) {
 256                 printf("rte_power_freq_down unexpectedly succeeded on a removed "
 257                                 "lcore %u\n", TEST_POWER_VM_LCORE_ID);
 258                 return -1;
 259         }
 260
 261         /* Test frequency min of previously removed lcore */
 262         ret = rte_power_freq_min(TEST_POWER_VM_LCORE_ID);
 263         if (ret == 0) {
 264                 printf("rte_power_freq_min unexpectedly succeeded on a removed "
 265                                 "lcore %u\n", TEST_POWER_VM_LCORE_ID);
 266                 return -1;
 267         }
 268
 269         /* Test frequency max of previously removed lcore */
 270         ret = rte_power_freq_max(TEST_POWER_VM_LCORE_ID);
 271         if (ret == 0) {
 272                 printf("rte_power_freq_max unexpectedly succeeded on a removed "
 273                                 "lcore %u\n", TEST_POWER_VM_LCORE_ID);
 274                 return -1;
 275         }
 276         rte_power_unset_env();
 277         return 0;
 278 fail_all:
 279         rte_power_exit(TEST_POWER_VM_LCORE_ID);
 280         rte_power_unset_env();
 281         return -1;
 282 }
 283 #endif
 284
 285 REGISTER_TEST_COMMAND(power_kvm_vm_autotest, test_power_kvm_vm);