tests/amdgpu: add security test suite (v2)

This patch is to add a new test suite to store security tests.
In Raven+ asics, it will support TMZ (trust memory zone), and it is
page-based protection feature.

v2: remove tests/amdgpu/Makefile.am and update to
tests/amdgpu/meson.build

Acked-by: Huang Rui <ray.huang@amd.com>
Acked-by: Leo Liu <leo.liu@amd.com>
Signed-off-by: Huang Rui <ray.huang@amd.com>
Signed-off-by: Aaron Liu <aaron.liu@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Acked-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

tests/amdgpu/amdgpu_test.c

@@ -58,6 +58,7 @@
 #define VM_TESTS_STR "VM Tests"
 #define RAS_TESTS_STR "RAS Tests"
 #define SYNCOBJ_TIMELINE_TESTS_STR "SYNCOBJ TIMELINE Tests"
+#define SECURITY_TESTS_STR "Security Tests"
 
 /**
  *  Open handles for amdgpu devices
@@ -130,6 +131,12 @@ static CU_SuiteInfo suites[] = {
 		.pCleanupFunc = suite_syncobj_timeline_tests_clean,
 		.pTests = syncobj_timeline_tests,
 	},
+	{
+		.pName = SECURITY_TESTS_STR,
+		.pInitFunc = suite_security_tests_init,
+		.pCleanupFunc = suite_security_tests_clean,
+		.pTests = security_tests,
+	},
 
 	CU_SUITE_INFO_NULL,
 };

tests/amdgpu/amdgpu_test.h

@@ -247,6 +247,27 @@ void amdgpu_memcpy_draw_test(amdgpu_device_handle device_handle, uint32_t ring,
 			     int hang);
 void amdgpu_memcpy_draw_hang_slow_test(amdgpu_device_handle device_handle, uint32_t ring);
 
+/**
+ * Initialize security test suite
+ */
+int suite_security_tests_init();
+
+/**
+ * Deinitialize security test suite
+ */
+int suite_security_tests_clean();
+
+/**
+ * Decide if the suite is enabled by default or not.
+ */
+CU_BOOL suite_security_tests_enable(void);
+
+/**
+ * Tests in security test suite
+ */
+extern CU_TestInfo security_tests[];
+
+
 /**
  * Helper functions
  */

tests/amdgpu/meson.build

@@ -24,7 +24,7 @@ if dep_cunit.found()
     files(
       'amdgpu_test.c', 'basic_tests.c', 'bo_tests.c', 'cs_tests.c',
       'vce_tests.c', 'uvd_enc_tests.c', 'vcn_tests.c', 'deadlock_tests.c',
-      'vm_tests.c', 'ras_tests.c', 'syncobj_tests.c',
+      'vm_tests.c', 'ras_tests.c', 'syncobj_tests.c', 'security_tests.c',
     ),
     dependencies : [dep_cunit, dep_threads, dep_atomic_ops],
     include_directories : [inc_root, inc_drm, include_directories('../../amdgpu')],

tests/amdgpu/security_tests.c

@@ -0,0 +1,96 @@
+/*
+ * Copyright 2019 Advanced Micro Devices, Inc.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
+ * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
+ * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+ * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+ * OTHER DEALINGS IN THE SOFTWARE.
+ *
+*/
+
+#include "CUnit/Basic.h"
+
+#include "amdgpu_test.h"
+#include "amdgpu_drm.h"
+#include "amdgpu_internal.h"
+
+static amdgpu_device_handle device_handle;
+static uint32_t major_version;
+static uint32_t minor_version;
+
+static void amdgpu_security_alloc_buf_test(void);
+
+CU_BOOL suite_security_tests_enable(void)
+{
+	CU_BOOL enable = CU_TRUE;
+
+	if (amdgpu_device_initialize(drm_amdgpu[0], &major_version,
+				     &minor_version, &device_handle))
+		return CU_FALSE;
+
+	if (device_handle->info.family_id < AMDGPU_FAMILY_RV) {
+		printf("\n\nDon't support TMZ (trust memory zone), security suite disabled\n");
+		enable = CU_FALSE;
+	}
+
+	if (amdgpu_device_deinitialize(device_handle))
+		return CU_FALSE;
+
+	return enable;
+}
+
+int suite_security_tests_init(void)
+{
+	if (amdgpu_device_initialize(drm_amdgpu[0], &major_version,
+				     &minor_version, &device_handle))
+		return CUE_SINIT_FAILED;
+
+	return CUE_SUCCESS;
+}
+
+int suite_security_tests_clean(void)
+{
+	int r;
+
+	r = amdgpu_device_deinitialize(device_handle);
+	if (r)
+		return CUE_SCLEAN_FAILED;
+
+	return CUE_SUCCESS;
+}
+
+
+CU_TestInfo security_tests[] = {
+	{ "allocate secure buffer test", amdgpu_security_alloc_buf_test },
+	CU_TEST_INFO_NULL,
+};
+
+static void amdgpu_security_alloc_buf_test(void)
+{
+	amdgpu_bo_handle bo;
+	amdgpu_va_handle va_handle;
+	uint64_t bo_mc;
+	int r;
+
+	/* Test secure buffer allocation in VRAM */
+	bo = gpu_mem_alloc(device_handle, 4096, 4096,
+			   AMDGPU_GEM_DOMAIN_VRAM,
+			   AMDGPU_GEM_CREATE_ENCRYPTED,
+			   &bo_mc, &va_handle);
+
+	r = gpu_mem_free(bo, va_handle, bo_mc, 4096);
+	CU_ASSERT_EQUAL(r, 0);
+}