ceph/src/dpdk/app/test/test_cpuflags.c

   1 /*-
   2  *   BSD LICENSE
   3  *
   4  *   Copyright(c) 2010-2014 Intel Corporation. All rights reserved.
   5  *   All rights reserved.
   6  *
   7  *   Redistribution and use in source and binary forms, with or without
   8  *   modification, are permitted provided that the following conditions
   9  *   are met:
  10  *
  11  *     * Redistributions of source code must retain the above copyright
  12  *       notice, this list of conditions and the following disclaimer.
  13  *     * Redistributions in binary form must reproduce the above copyright
  14  *       notice, this list of conditions and the following disclaimer in
  15  *       the documentation and/or other materials provided with the
  16  *       distribution.
  17  *     * Neither the name of Intel Corporation nor the names of its
  18  *       contributors may be used to endorse or promote products derived
  19  *       from this software without specific prior written permission.
  20  *
  21  *   THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
  22  *   "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
  23  *   LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
  24  *   A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
  25  *   OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
  26  *   SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
  27  *   LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  28  *   DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  29  *   THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  30  *   (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  31  *   OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  32  */
  33
  34 #include <stdio.h>
  35
  36 #include <errno.h>
  37 #include <stdint.h>
  38 #include <rte_cpuflags.h>
  39 #include <rte_debug.h>
  40
  41 #include "test.h"
  42
  43
  44 /* convenience define */
  45 #define CHECK_FOR_FLAG(x) \
  46                         result = rte_cpu_get_flag_enabled(x);    \
  47                         printf("%s\n", cpu_flag_result(result)); \
  48                         if (result == -ENOENT)                   \
  49                                 return -1;
  50
  51 /*
  52  * Helper function to display result
  53  */
  54 static inline const char *
  55 cpu_flag_result(int result)
  56 {
  57         switch (result) {
  58         case 0:
  59                 return "NOT PRESENT";
  60         case 1:
  61                 return "OK";
  62         default:
  63                 return "ERROR";
  64         }
  65 }
  66
  67
  68
  69 /*
  70  * CPUID test
  71  * ===========
  72  *
  73  * - Check flags from different registers with rte_cpu_get_flag_enabled()
  74  * - Check if register and CPUID functions fail properly
  75  */
  76
  77 static int
  78 test_cpuflags(void)
  79 {
  80         int result;
  81         printf("\nChecking for flags from different registers...\n");
  82
  83 #ifdef RTE_ARCH_PPC_64
  84         printf("Check for PPC64:\t\t");
  85         CHECK_FOR_FLAG(RTE_CPUFLAG_PPC64);
  86
  87         printf("Check for PPC32:\t\t");
  88         CHECK_FOR_FLAG(RTE_CPUFLAG_PPC32);
  89
  90         printf("Check for VSX:\t\t");
  91         CHECK_FOR_FLAG(RTE_CPUFLAG_VSX);
  92
  93         printf("Check for DFP:\t\t");
  94         CHECK_FOR_FLAG(RTE_CPUFLAG_DFP);
  95
  96         printf("Check for FPU:\t\t");
  97         CHECK_FOR_FLAG(RTE_CPUFLAG_FPU);
  98
  99         printf("Check for SMT:\t\t");
 100         CHECK_FOR_FLAG(RTE_CPUFLAG_SMT);
 101
 102         printf("Check for MMU:\t\t");
 103         CHECK_FOR_FLAG(RTE_CPUFLAG_MMU);
 104
 105         printf("Check for ALTIVEC:\t\t");
 106         CHECK_FOR_FLAG(RTE_CPUFLAG_ALTIVEC);
 107
 108         printf("Check for ARCH_2_06:\t\t");
 109         CHECK_FOR_FLAG(RTE_CPUFLAG_ARCH_2_06);
 110
 111         printf("Check for ARCH_2_07:\t\t");
 112         CHECK_FOR_FLAG(RTE_CPUFLAG_ARCH_2_07);
 113
 114         printf("Check for ICACHE_SNOOP:\t\t");
 115         CHECK_FOR_FLAG(RTE_CPUFLAG_ICACHE_SNOOP);
 116 #endif
 117
 118 #if defined(RTE_ARCH_ARM)
 119         printf("Check for NEON:\t\t");
 120         CHECK_FOR_FLAG(RTE_CPUFLAG_NEON);
 121 #endif
 122
 123 #if defined(RTE_ARCH_ARM64)
 124         printf("Check for FP:\t\t");
 125         CHECK_FOR_FLAG(RTE_CPUFLAG_FP);
 126
 127         printf("Check for ASIMD:\t");
 128         CHECK_FOR_FLAG(RTE_CPUFLAG_NEON);
 129
 130         printf("Check for EVTSTRM:\t");
 131         CHECK_FOR_FLAG(RTE_CPUFLAG_EVTSTRM);
 132
 133         printf("Check for AES:\t\t");
 134         CHECK_FOR_FLAG(RTE_CPUFLAG_AES);
 135
 136         printf("Check for PMULL:\t");
 137         CHECK_FOR_FLAG(RTE_CPUFLAG_PMULL);
 138
 139         printf("Check for SHA1:\t\t");
 140         CHECK_FOR_FLAG(RTE_CPUFLAG_SHA1);
 141
 142         printf("Check for SHA2:\t\t");
 143         CHECK_FOR_FLAG(RTE_CPUFLAG_SHA2);
 144
 145         printf("Check for CRC32:\t");
 146         CHECK_FOR_FLAG(RTE_CPUFLAG_CRC32);
 147
 148         printf("Check for ATOMICS:\t");
 149         CHECK_FOR_FLAG(RTE_CPUFLAG_ATOMICS);
 150 #endif
 151
 152 #if defined(RTE_ARCH_X86_64) || defined(RTE_ARCH_I686)
 153         printf("Check for SSE:\t\t");
 154         CHECK_FOR_FLAG(RTE_CPUFLAG_SSE);
 155
 156         printf("Check for SSE2:\t\t");
 157         CHECK_FOR_FLAG(RTE_CPUFLAG_SSE2);
 158
 159         printf("Check for SSE3:\t\t");
 160         CHECK_FOR_FLAG(RTE_CPUFLAG_SSE3);
 161
 162         printf("Check for SSE4.1:\t");
 163         CHECK_FOR_FLAG(RTE_CPUFLAG_SSE4_1);
 164
 165         printf("Check for SSE4.2:\t");
 166         CHECK_FOR_FLAG(RTE_CPUFLAG_SSE4_2);
 167
 168         printf("Check for AVX:\t\t");
 169         CHECK_FOR_FLAG(RTE_CPUFLAG_AVX);
 170
 171         printf("Check for AVX2:\t\t");
 172         CHECK_FOR_FLAG(RTE_CPUFLAG_AVX2);
 173
 174         printf("Check for TRBOBST:\t");
 175         CHECK_FOR_FLAG(RTE_CPUFLAG_TRBOBST);
 176
 177         printf("Check for ENERGY_EFF:\t");
 178         CHECK_FOR_FLAG(RTE_CPUFLAG_ENERGY_EFF);
 179
 180         printf("Check for LAHF_SAHF:\t");
 181         CHECK_FOR_FLAG(RTE_CPUFLAG_LAHF_SAHF);
 182
 183         printf("Check for 1GB_PG:\t");
 184         CHECK_FOR_FLAG(RTE_CPUFLAG_1GB_PG);
 185
 186         printf("Check for INVTSC:\t");
 187         CHECK_FOR_FLAG(RTE_CPUFLAG_INVTSC);
 188 #endif
 189
 190         /*
 191          * Check if invalid data is handled properly
 192          */
 193         printf("\nCheck for invalid flag:\t");
 194         result = rte_cpu_get_flag_enabled(RTE_CPUFLAG_NUMFLAGS);
 195         printf("%s\n", cpu_flag_result(result));
 196         if (result != -ENOENT)
 197                 return -1;
 198
 199         return 0;
 200 }
 201
 202 REGISTER_TEST_COMMAND(cpuflags_autotest, test_cpuflags);