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 static void amdgpu_security_gfx_submission_test(void);
  36
  37 CU_BOOL suite_security_tests_enable(void)
  38 {
  39         CU_BOOL enable = CU_TRUE;
  40
  41         if (amdgpu_device_initialize(drm_amdgpu[0], &major_version,
  42                                      &minor_version, &device_handle))
  43                 return CU_FALSE;
  44
  45         if (device_handle->info.family_id < AMDGPU_FAMILY_RV) {
  46                 printf("\n\nDon't support TMZ (trust memory zone), security suite disabled\n");
  47                 enable = CU_FALSE;
  48         }
  49
  50         if (amdgpu_device_deinitialize(device_handle))
  51                 return CU_FALSE;
  52
  53         return enable;
  54 }
  55
  56 int suite_security_tests_init(void)
  57 {
  58         if (amdgpu_device_initialize(drm_amdgpu[0], &major_version,
  59                                      &minor_version, &device_handle))
  60                 return CUE_SINIT_FAILED;
  61
  62         return CUE_SUCCESS;
  63 }
  64
  65 int suite_security_tests_clean(void)
  66 {
  67         int r;
  68
  69         r = amdgpu_device_deinitialize(device_handle);
  70         if (r)
  71                 return CUE_SCLEAN_FAILED;
  72
  73         return CUE_SUCCESS;
  74 }
  75
  76
  77 CU_TestInfo security_tests[] = {
  78         { "allocate secure buffer test", amdgpu_security_alloc_buf_test },
  79         { "graphics secure command submission", amdgpu_security_gfx_submission_test },
  80         CU_TEST_INFO_NULL,
  81 };
  82
  83 static void amdgpu_security_alloc_buf_test(void)
  84 {
  85         amdgpu_bo_handle bo;
  86         amdgpu_va_handle va_handle;
  87         uint64_t bo_mc;
  88         int r;
  89
  90         /* Test secure buffer allocation in VRAM */
  91         bo = gpu_mem_alloc(device_handle, 4096, 4096,
  92                            AMDGPU_GEM_DOMAIN_VRAM,
  93                            AMDGPU_GEM_CREATE_ENCRYPTED,
  94                            &bo_mc, &va_handle);
  95
  96         r = gpu_mem_free(bo, va_handle, bo_mc, 4096);
  97         CU_ASSERT_EQUAL(r, 0);
  98
  99         /* Test secure buffer allocation in system memory */
 100         bo = gpu_mem_alloc(device_handle, 4096, 4096,
 101                            AMDGPU_GEM_DOMAIN_GTT,
 102                            AMDGPU_GEM_CREATE_ENCRYPTED,
 103                            &bo_mc, &va_handle);
 104
 105         r = gpu_mem_free(bo, va_handle, bo_mc, 4096);
 106         CU_ASSERT_EQUAL(r, 0);
 107
 108         /* Test secure buffer allocation in invisible VRAM */
 109         bo = gpu_mem_alloc(device_handle, 4096, 4096,
 110                            AMDGPU_GEM_DOMAIN_GTT,
 111                            AMDGPU_GEM_CREATE_ENCRYPTED |
 112                            AMDGPU_GEM_CREATE_NO_CPU_ACCESS,
 113                            &bo_mc, &va_handle);
 114
 115         r = gpu_mem_free(bo, va_handle, bo_mc, 4096);
 116         CU_ASSERT_EQUAL(r, 0);
 117 }
 118
 119 static void amdgpu_security_gfx_submission_test(void)
 120 {
 121         amdgpu_command_submission_write_linear_helper_with_secure(device_handle,
 122                                                                   AMDGPU_HW_IP_GFX,
 123                                                                   true);
 124 }