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