tests/amdgpu/security_tests.c

   1 /*
   2  * Copyright 2019 Advanced Micro Devices, Inc.
   3  *
   4  * Permission is hereby granted, free of charge, to any person obtaining a
   5  * copy of this software and associated documentation files (the "Software"),
   6  * to deal in the Software without restriction, including without limitation
   7  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
   8  * and/or sell copies of the Software, and to permit persons to whom the
   9  * Software is furnished to do so, subject to the following conditions:
  10  *
  11  * The above copyright notice and this permission notice shall be included in
  12  * all copies or substantial portions of the Software.
  13  *
  14  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  15  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  16  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
  17  * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
  18  * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
  19  * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
  20  * OTHER DEALINGS IN THE SOFTWARE.
  21  *
  22 */
  23
  24 #include "CUnit/Basic.h"
  25
  26 #include "amdgpu_test.h"
  27 #include "amdgpu_drm.h"
  28 #include "amdgpu_internal.h"
  29
  30 static amdgpu_device_handle device_handle;
  31 static uint32_t major_version;
  32 static uint32_t minor_version;
  33
  34 static void amdgpu_security_alloc_buf_test(void)
  35 {
  36         amdgpu_bo_handle bo;
  37         amdgpu_va_handle va_handle;
  38         uint64_t bo_mc;
  39         int r;
  40
  41         /* Test secure buffer allocation in VRAM */
  42         bo = gpu_mem_alloc(device_handle, 4096, 4096,
  43                            AMDGPU_GEM_DOMAIN_VRAM,
  44                            AMDGPU_GEM_CREATE_ENCRYPTED,
  45                            &bo_mc, &va_handle);
  46
  47         r = gpu_mem_free(bo, va_handle, bo_mc, 4096);
  48         CU_ASSERT_EQUAL(r, 0);
  49
  50         /* Test secure buffer allocation in system memory */
  51         bo = gpu_mem_alloc(device_handle, 4096, 4096,
  52                            AMDGPU_GEM_DOMAIN_GTT,
  53                            AMDGPU_GEM_CREATE_ENCRYPTED,
  54                            &bo_mc, &va_handle);
  55
  56         r = gpu_mem_free(bo, va_handle, bo_mc, 4096);
  57         CU_ASSERT_EQUAL(r, 0);
  58
  59         /* Test secure buffer allocation in invisible VRAM */
  60         bo = gpu_mem_alloc(device_handle, 4096, 4096,
  61                            AMDGPU_GEM_DOMAIN_GTT,
  62                            AMDGPU_GEM_CREATE_ENCRYPTED |
  63                            AMDGPU_GEM_CREATE_NO_CPU_ACCESS,
  64                            &bo_mc, &va_handle);
  65
  66         r = gpu_mem_free(bo, va_handle, bo_mc, 4096);
  67         CU_ASSERT_EQUAL(r, 0);
  68 }
  69
  70 static void amdgpu_security_gfx_submission_test(void)
  71 {
  72         amdgpu_command_submission_write_linear_helper_with_secure(device_handle,
  73                                                                   AMDGPU_HW_IP_GFX,
  74                                                                   true);
  75 }
  76
  77 static void amdgpu_security_sdma_submission_test(void)
  78 {
  79         amdgpu_command_submission_write_linear_helper_with_secure(device_handle,
  80                                                                   AMDGPU_HW_IP_DMA,
  81                                                                   true);
  82 }
  83
  84 /* ----------------------------------------------------------------- */
  85
  86 CU_TestInfo security_tests[] = {
  87         { "allocate secure buffer test", amdgpu_security_alloc_buf_test },
  88         { "graphics secure command submission", amdgpu_security_gfx_submission_test },
  89         { "sdma secure command submission", amdgpu_security_sdma_submission_test },
  90         CU_TEST_INFO_NULL,
  91 };
  92
  93 CU_BOOL suite_security_tests_enable(void)
  94 {
  95         CU_BOOL enable = CU_TRUE;
  96
  97         if (amdgpu_device_initialize(drm_amdgpu[0], &major_version,
  98                                      &minor_version, &device_handle))
  99                 return CU_FALSE;
 100
 101         if (device_handle->info.family_id < AMDGPU_FAMILY_RV) {
 102                 printf("\n\nDon't support TMZ (trust memory zone), security suite disabled\n");
 103                 enable = CU_FALSE;
 104         }
 105
 106         if ((major_version < 3) ||
 107                 ((major_version == 3) && (minor_version < 37))) {
 108                 printf("\n\nDon't support TMZ (trust memory zone), kernel DRM version (%d.%d)\n",
 109                         major_version, minor_version);
 110                 printf("is older, security suite disabled\n");
 111                 enable = CU_FALSE;
 112         }
 113
 114         if (amdgpu_device_deinitialize(device_handle))
 115                 return CU_FALSE;
 116
 117         return enable;
 118 }
 119
 120 int suite_security_tests_init(void)
 121 {
 122         if (amdgpu_device_initialize(drm_amdgpu[0], &major_version,
 123                                      &minor_version, &device_handle))
 124                 return CUE_SINIT_FAILED;
 125
 126         return CUE_SUCCESS;
 127 }
 128
 129 int suite_security_tests_clean(void)
 130 {
 131         int r;
 132
 133         r = amdgpu_device_deinitialize(device_handle);
 134         if (r)
 135                 return CUE_SCLEAN_FAILED;
 136
 137         return CUE_SUCCESS;
 138 }