tests/amdgpu/amdgpu_test.c - libdrm-imx - Git at Google

 /*
  * Copyright 2014 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.
  *
 */

 #ifdef HAVE_CONFIG_H
 #include "config.h"
 #endif

 #include <string.h>
 #include <stdio.h>
 #include <stdlib.h>
 #include <unistd.h>
 #include <string.h>
 #include <ctype.h>
 #include <fcntl.h>
 #include <errno.h>
 #include <signal.h>
 #include <time.h>
 #include <sys/types.h>
 #include <sys/stat.h>
 #include <sys/ioctl.h>
 #include <sys/time.h>
 #include <stdarg.h>
 #include <stdint.h>

 #include "drm.h"
 #include "xf86drmMode.h"
 #include "xf86drm.h"

 #include "CUnit/Basic.h"

 #include "amdgpu_test.h"

 /**
  *  Open handles for amdgpu devices
  *
  */
 int drm_amdgpu[MAX_CARDS_SUPPORTED];

 /** Open render node to test */
 int open_render_node = 0;	/* By default run most tests on primary node */

 /** The table of all known test suites to run */
 static CU_SuiteInfo suites[] = {
 	{
 		.pName = "Basic Tests",
 		.pInitFunc = suite_basic_tests_init,
 		.pCleanupFunc = suite_basic_tests_clean,
 		.pTests = basic_tests,
 	},
 	{
 		.pName = "BO Tests",
 		.pInitFunc = suite_bo_tests_init,
 		.pCleanupFunc = suite_bo_tests_clean,
 		.pTests = bo_tests,
 	},
 	{
 		.pName = "CS Tests",
 		.pInitFunc = suite_cs_tests_init,
 		.pCleanupFunc = suite_cs_tests_clean,
 		.pTests = cs_tests,
 	},
 	{
 		.pName = "VCE Tests",
 		.pInitFunc = suite_vce_tests_init,
 		.pCleanupFunc = suite_vce_tests_clean,
 		.pTests = vce_tests,
 	},
 	{
 		.pName = "VCN Tests",
 		.pInitFunc = suite_vcn_tests_init,
 		.pCleanupFunc = suite_vcn_tests_clean,
 		.pTests = vcn_tests,
 	},
 	{
 		.pName = "UVD ENC Tests",
 		.pInitFunc = suite_uvd_enc_tests_init,
 		.pCleanupFunc = suite_uvd_enc_tests_clean,
 		.pTests = uvd_enc_tests,
 	},
 	{
 		.pName = "Deadlock Tests",
 		.pInitFunc = suite_deadlock_tests_init,
 		.pCleanupFunc = suite_deadlock_tests_clean,
 		.pTests = deadlock_tests,
 	},
 	CU_SUITE_INFO_NULL,
 };


 /** Display information about all  suites and their tests */
 static void display_test_suites(void)
 {
 	int iSuite;
 	int iTest;

 	printf("Suites\n");

 	for (iSuite = 0; suites[iSuite].pName != NULL; iSuite++) {
 		printf("Suite id = %d: Name '%s'\n",
 				iSuite + 1, suites[iSuite].pName);

 		for (iTest = 0; suites[iSuite].pTests[iTest].pName != NULL;
 			iTest++) {
 			printf("	Test id %d: Name: '%s'\n", iTest + 1,
 					suites[iSuite].pTests[iTest].pName);
 		}
 	}
 }


 /** Help string for command line parameters */
 static const char usage[] =
 	"Usage: %s [-hlpr] [<-s <suite id>> [-t <test id>]] "
 	"[-b <pci_bus_id> [-d <pci_device_id>]]\n"
 	"where:\n"
 	"       l - Display all suites and their tests\n"
 	"       r - Run the tests on render node\n"
 	"       b - Specify device's PCI bus id to run tests\n"
 	"       d - Specify device's PCI device id to run tests (optional)\n"
 	"       p - Display information of AMDGPU devices in system\n"
 	"       h - Display this help\n";
 /** Specified options strings for getopt */
 static const char options[]   = "hlrps:t:b:d:";

 /* Open AMD devices.
  * Return the number of AMD device openned.
  */
 static int amdgpu_open_devices(int open_render_node)
 {
 	drmDevicePtr devices[MAX_CARDS_SUPPORTED];
 	int ret;
 	int i;
 	int drm_node;
 	int amd_index = 0;
 	int drm_count;
 	int fd;
 	drmVersionPtr version;

 	drm_count = drmGetDevices2(0, devices, MAX_CARDS_SUPPORTED);

 	if (drm_count < 0) {
 		fprintf(stderr,
 			"drmGetDevices2() returned an error %d\n",
 			drm_count);
 		return 0;
 	}

 	for (i = 0; i < drm_count; i++) {
 		/* If this is not PCI device, skip*/
 		if (devices[i]->bustype != DRM_BUS_PCI)
 			continue;

 		/* If this is not AMD GPU vender ID, skip*/
 		if (devices[i]->deviceinfo.pci->vendor_id != 0x1002)
 			continue;

 		if (open_render_node)
 			drm_node = DRM_NODE_RENDER;
 		else
 			drm_node = DRM_NODE_PRIMARY;

 		fd = -1;
 		if (devices[i]->available_nodes & 1 << drm_node)
 			fd = open(
 				devices[i]->nodes[drm_node],
 				O_RDWR | O_CLOEXEC);

 		/* This node is not available. */
 		if (fd < 0) continue;

 		version = drmGetVersion(fd);
 		if (!version) {
 			fprintf(stderr,
 				"Warning: Cannot get version for %s."
 				"Error is %s\n",
 				devices[i]->nodes[drm_node],
 				strerror(errno));
 			close(fd);
 			continue;
 		}

 		if (strcmp(version->name, "amdgpu")) {
 			/* This is not AMDGPU driver, skip.*/
 			drmFreeVersion(version);
 			close(fd);
 			continue;
 		}

 		drmFreeVersion(version);

 		drm_amdgpu[amd_index] = fd;
 		amd_index++;
 	}

 	drmFreeDevices(devices, drm_count);
 	return amd_index;
 }

 /* Close AMD devices.
  */
 static void amdgpu_close_devices()
 {
 	int i;
 	for (i = 0; i < MAX_CARDS_SUPPORTED; i++)
 		if (drm_amdgpu[i] >=0)
 			close(drm_amdgpu[i]);
 }

 /* Print AMD devices information */
 static void amdgpu_print_devices()
 {
 	int i;
 	drmDevicePtr device;

 	/* Open the first AMD devcie to print driver information. */
 	if (drm_amdgpu[0] >=0) {
 		/* Display AMD driver version information.*/
 		drmVersionPtr retval = drmGetVersion(drm_amdgpu[0]);

 		if (retval == NULL) {
 			perror("Cannot get version for AMDGPU device");
 			return;
 		}

 		printf("Driver name: %s, Date: %s, Description: %s.\n",
 			retval->name, retval->date, retval->desc);
 		drmFreeVersion(retval);
 	}

 	/* Display information of AMD devices */
 	printf("Devices:\n");
 	for (i = 0; i < MAX_CARDS_SUPPORTED && drm_amdgpu[i] >=0; i++)
 		if (drmGetDevice2(drm_amdgpu[i],
 			DRM_DEVICE_GET_PCI_REVISION,
 			&device) == 0) {
 			if (device->bustype == DRM_BUS_PCI) {
 				printf("PCI ");
 				printf(" domain:%04x",
 					device->businfo.pci->domain);
 				printf(" bus:%02x",
 					device->businfo.pci->bus);
 				printf(" device:%02x",
 					device->businfo.pci->dev);
 				printf(" function:%01x",
 					device->businfo.pci->func);
 				printf(" vendor_id:%04x",
 					device->deviceinfo.pci->vendor_id);
 				printf(" device_id:%04x",
 					device->deviceinfo.pci->device_id);
 				printf(" subvendor_id:%04x",
 					device->deviceinfo.pci->subvendor_id);
 				printf(" subdevice_id:%04x",
 					device->deviceinfo.pci->subdevice_id);
 				printf(" revision_id:%02x",
 					device->deviceinfo.pci->revision_id);
 				printf("\n");
 			}
 			drmFreeDevice(&device);
 		}
 }

 /* Find a match AMD device in PCI bus
  * Return the index of the device or -1 if not found
  */
 static int amdgpu_find_device(uint8_t bus, uint16_t dev)
 {
 	int i;
 	drmDevicePtr device;

 	for (i = 0; i < MAX_CARDS_SUPPORTED && drm_amdgpu[i] >= 0; i++) {
 		if (drmGetDevice2(drm_amdgpu[i],
 			DRM_DEVICE_GET_PCI_REVISION,
 			&device) == 0) {
 			if (device->bustype == DRM_BUS_PCI)
 				if ((bus == 0xFF || device->businfo.pci->bus == bus) &&
 					device->deviceinfo.pci->device_id == dev) {
 					drmFreeDevice(&device);
 					return i;
 				}

 			drmFreeDevice(&device);
 		}
 	}

 	return -1;
 }

 /* The main() function for setting up and running the tests.
  * Returns a CUE_SUCCESS on successful running, another
  * CUnit error code on failure.
  */
 int main(int argc, char **argv)
 {
 	int c;			/* Character received from getopt */
 	int i = 0;
 	int suite_id = -1;	/* By default run everything */
 	int test_id  = -1;	/* By default run all tests in the suite */
 	int pci_bus_id = -1;    /* By default PC bus ID is not specified */
 	int pci_device_id = 0;  /* By default PC device ID is zero */
 	int display_devices = 0;/* By default not to display devices' info */
 	CU_pSuite pSuite = NULL;
 	CU_pTest  pTest  = NULL;
 	int test_device_index;

 	for (i = 0; i < MAX_CARDS_SUPPORTED; i++)
 		drm_amdgpu[i] = -1;


 	/* Parse command line string */
 	opterr = 0;		/* Do not print error messages from getopt */
 	while ((c = getopt(argc, argv, options)) != -1) {
 		switch (c) {
 		case 'l':
 			display_test_suites();
 			exit(EXIT_SUCCESS);
 		case 's':
 			suite_id = atoi(optarg);
 			break;
 		case 't':
 			test_id = atoi(optarg);
 			break;
 		case 'b':
 			pci_bus_id = atoi(optarg);
 			break;
 		case 'd':
 			sscanf(optarg, "%x", &pci_device_id);
 			break;
 		case 'p':
 			display_devices = 1;
 			break;
 		case 'r':
 			open_render_node = 1;
 			break;
 		case '?':
 		case 'h':
 			fprintf(stderr, usage, argv[0]);
 			exit(EXIT_SUCCESS);
 		default:
 			fprintf(stderr, usage, argv[0]);
 			exit(EXIT_FAILURE);
 		}
 	}

 	if (amdgpu_open_devices(open_render_node) <= 0) {
 		perror("Cannot open AMDGPU device");
 		exit(EXIT_FAILURE);
 	}

 	if (drm_amdgpu[0] < 0) {
 		perror("Cannot open AMDGPU device");
 		exit(EXIT_FAILURE);
 	}

 	if (display_devices) {
 		amdgpu_print_devices();
 		amdgpu_close_devices();
 		exit(EXIT_SUCCESS);
 	}

 	if (pci_bus_id > 0 || pci_device_id) {
 		/* A device was specified to run the test */
 		test_device_index = amdgpu_find_device(pci_bus_id,
 						       pci_device_id);

 		if (test_device_index >= 0) {
 			/* Most tests run on device of drm_amdgpu[0].
 			 * Swap the chosen device to drm_amdgpu[0].
 			 */
 			i = drm_amdgpu[0];
 			drm_amdgpu[0] = drm_amdgpu[test_device_index];
 			drm_amdgpu[test_device_index] = i;
 		} else {
 			fprintf(stderr,
 				"The specified GPU device does not exist.\n");
 			exit(EXIT_FAILURE);
 		}
 	}

 	/* Initialize test suites to run */

 	/* initialize the CUnit test registry */
 	if (CUE_SUCCESS != CU_initialize_registry()) {
 		amdgpu_close_devices();
 		return CU_get_error();
 	}

 	/* Register suites. */
 	if (CU_register_suites(suites) != CUE_SUCCESS) {
 		fprintf(stderr, "suite registration failed - %s\n",
 				CU_get_error_msg());
 		CU_cleanup_registry();
 		amdgpu_close_devices();
 		exit(EXIT_FAILURE);
 	}

 	/* Run tests using the CUnit Basic interface */
 	CU_basic_set_mode(CU_BRM_VERBOSE);

 	if (suite_id != -1) {	/* If user specify particular suite? */
 		pSuite = CU_get_suite_by_index((unsigned int) suite_id,
 						CU_get_registry());

 		if (pSuite) {
 			if (test_id != -1) {   /* If user specify test id */
 				pTest = CU_get_test_by_index(
 						(unsigned int) test_id,
 						pSuite);
 				if (pTest)
 					CU_basic_run_test(pSuite, pTest);
 				else {
 					fprintf(stderr, "Invalid test id: %d\n",
 								test_id);
 					CU_cleanup_registry();
 					amdgpu_close_devices();
 					exit(EXIT_FAILURE);
 				}
 			} else
 				CU_basic_run_suite(pSuite);
 		} else {
 			fprintf(stderr, "Invalid suite id : %d\n",
 					suite_id);
 			CU_cleanup_registry();
 			amdgpu_close_devices();
 			exit(EXIT_FAILURE);
 		}
 	} else
 		CU_basic_run_tests();

 	CU_cleanup_registry();
 	amdgpu_close_devices();
 	return CU_get_error();
 }
	/*
	* Copyright 2014 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.
	*
	*/

	#ifdef HAVE_CONFIG_H
	#include "config.h"
	#endif

	#include <string.h>
	#include <stdio.h>
	#include <stdlib.h>
	#include <unistd.h>
	#include <string.h>
	#include <ctype.h>
	#include <fcntl.h>
	#include <errno.h>
	#include <signal.h>
	#include <time.h>
	#include <sys/types.h>
	#include <sys/stat.h>
	#include <sys/ioctl.h>
	#include <sys/time.h>
	#include <stdarg.h>
	#include <stdint.h>

	#include "drm.h"
	#include "xf86drmMode.h"
	#include "xf86drm.h"

	#include "CUnit/Basic.h"

	#include "amdgpu_test.h"

	/**
	* Open handles for amdgpu devices
	*
	*/
	int drm_amdgpu[MAX_CARDS_SUPPORTED];

	/** Open render node to test */
	int open_render_node = 0; /* By default run most tests on primary node */

	/** The table of all known test suites to run */
	static CU_SuiteInfo suites[] = {
	{
	.pName = "Basic Tests",
	.pInitFunc = suite_basic_tests_init,
	.pCleanupFunc = suite_basic_tests_clean,
	.pTests = basic_tests,
	},
	{
	.pName = "BO Tests",
	.pInitFunc = suite_bo_tests_init,
	.pCleanupFunc = suite_bo_tests_clean,
	.pTests = bo_tests,
	},
	{
	.pName = "CS Tests",
	.pInitFunc = suite_cs_tests_init,
	.pCleanupFunc = suite_cs_tests_clean,
	.pTests = cs_tests,
	},
	{
	.pName = "VCE Tests",
	.pInitFunc = suite_vce_tests_init,
	.pCleanupFunc = suite_vce_tests_clean,
	.pTests = vce_tests,
	},
	{
	.pName = "VCN Tests",
	.pInitFunc = suite_vcn_tests_init,
	.pCleanupFunc = suite_vcn_tests_clean,
	.pTests = vcn_tests,
	},
	{
	.pName = "UVD ENC Tests",
	.pInitFunc = suite_uvd_enc_tests_init,
	.pCleanupFunc = suite_uvd_enc_tests_clean,
	.pTests = uvd_enc_tests,
	},
	{
	.pName = "Deadlock Tests",
	.pInitFunc = suite_deadlock_tests_init,
	.pCleanupFunc = suite_deadlock_tests_clean,
	.pTests = deadlock_tests,
	},
	CU_SUITE_INFO_NULL,
	};


	/** Display information about all suites and their tests */
	static void display_test_suites(void)
	{
	int iSuite;
	int iTest;

	printf("Suites\n");

	for (iSuite = 0; suites[iSuite].pName != NULL; iSuite++) {
	printf("Suite id = %d: Name '%s'\n",
	iSuite + 1, suites[iSuite].pName);

	for (iTest = 0; suites[iSuite].pTests[iTest].pName != NULL;
	iTest++) {
	printf(" Test id %d: Name: '%s'\n", iTest + 1,
	suites[iSuite].pTests[iTest].pName);
	}
	}
	}


	/** Help string for command line parameters */
	static const char usage[] =
	"Usage: %s [-hlpr] [<-s <suite id>> [-t <test id>]] "
	"[-b <pci_bus_id> [-d <pci_device_id>]]\n"
	"where:\n"
	" l - Display all suites and their tests\n"
	" r - Run the tests on render node\n"
	" b - Specify device's PCI bus id to run tests\n"
	" d - Specify device's PCI device id to run tests (optional)\n"
	" p - Display information of AMDGPU devices in system\n"
	" h - Display this help\n";
	/** Specified options strings for getopt */
	static const char options[] = "hlrps:t:b:d:";

	/* Open AMD devices.
	* Return the number of AMD device openned.
	*/
	static int amdgpu_open_devices(int open_render_node)
	{
	drmDevicePtr devices[MAX_CARDS_SUPPORTED];
	int ret;
	int i;
	int drm_node;
	int amd_index = 0;
	int drm_count;
	int fd;
	drmVersionPtr version;

	drm_count = drmGetDevices2(0, devices, MAX_CARDS_SUPPORTED);

	if (drm_count < 0) {
	fprintf(stderr,
	"drmGetDevices2() returned an error %d\n",
	drm_count);
	return 0;
	}

	for (i = 0; i < drm_count; i++) {
	/* If this is not PCI device, skip*/
	if (devices[i]->bustype != DRM_BUS_PCI)
	continue;

	/* If this is not AMD GPU vender ID, skip*/
	if (devices[i]->deviceinfo.pci->vendor_id != 0x1002)
	continue;

	if (open_render_node)
	drm_node = DRM_NODE_RENDER;
	else
	drm_node = DRM_NODE_PRIMARY;

	fd = -1;
	if (devices[i]->available_nodes & 1 << drm_node)
	fd = open(
	devices[i]->nodes[drm_node],
	O_RDWR \| O_CLOEXEC);

	/* This node is not available. */
	if (fd < 0) continue;

	version = drmGetVersion(fd);
	if (!version) {
	fprintf(stderr,
	"Warning: Cannot get version for %s."
	"Error is %s\n",
	devices[i]->nodes[drm_node],
	strerror(errno));
	close(fd);
	continue;
	}

	if (strcmp(version->name, "amdgpu")) {
	/* This is not AMDGPU driver, skip.*/
	drmFreeVersion(version);
	close(fd);
	continue;
	}

	drmFreeVersion(version);

	drm_amdgpu[amd_index] = fd;
	amd_index++;
	}

	drmFreeDevices(devices, drm_count);
	return amd_index;
	}

	/* Close AMD devices.
	*/
	static void amdgpu_close_devices()
	{
	int i;
	for (i = 0; i < MAX_CARDS_SUPPORTED; i++)
	if (drm_amdgpu[i] >=0)
	close(drm_amdgpu[i]);
	}

	/* Print AMD devices information */
	static void amdgpu_print_devices()
	{
	int i;
	drmDevicePtr device;

	/* Open the first AMD devcie to print driver information. */
	if (drm_amdgpu[0] >=0) {
	/* Display AMD driver version information.*/
	drmVersionPtr retval = drmGetVersion(drm_amdgpu[0]);

	if (retval == NULL) {
	perror("Cannot get version for AMDGPU device");
	return;
	}

	printf("Driver name: %s, Date: %s, Description: %s.\n",
	retval->name, retval->date, retval->desc);
	drmFreeVersion(retval);
	}

	/* Display information of AMD devices */
	printf("Devices:\n");
	for (i = 0; i < MAX_CARDS_SUPPORTED && drm_amdgpu[i] >=0; i++)
	if (drmGetDevice2(drm_amdgpu[i],
	DRM_DEVICE_GET_PCI_REVISION,
	&device) == 0) {
	if (device->bustype == DRM_BUS_PCI) {
	printf("PCI ");
	printf(" domain:%04x",
	device->businfo.pci->domain);
	printf(" bus:%02x",
	device->businfo.pci->bus);
	printf(" device:%02x",
	device->businfo.pci->dev);
	printf(" function:%01x",
	device->businfo.pci->func);
	printf(" vendor_id:%04x",
	device->deviceinfo.pci->vendor_id);
	printf(" device_id:%04x",
	device->deviceinfo.pci->device_id);
	printf(" subvendor_id:%04x",
	device->deviceinfo.pci->subvendor_id);
	printf(" subdevice_id:%04x",
	device->deviceinfo.pci->subdevice_id);
	printf(" revision_id:%02x",
	device->deviceinfo.pci->revision_id);
	printf("\n");
	}
	drmFreeDevice(&device);
	}
	}

	/* Find a match AMD device in PCI bus
	* Return the index of the device or -1 if not found
	*/
	static int amdgpu_find_device(uint8_t bus, uint16_t dev)
	{
	int i;
	drmDevicePtr device;

	for (i = 0; i < MAX_CARDS_SUPPORTED && drm_amdgpu[i] >= 0; i++) {
	if (drmGetDevice2(drm_amdgpu[i],
	DRM_DEVICE_GET_PCI_REVISION,
	&device) == 0) {
	if (device->bustype == DRM_BUS_PCI)
	if ((bus == 0xFF \|\| device->businfo.pci->bus == bus) &&
	device->deviceinfo.pci->device_id == dev) {
	drmFreeDevice(&device);
	return i;
	}

	drmFreeDevice(&device);
	}
	}

	return -1;
	}

	/* The main() function for setting up and running the tests.
	* Returns a CUE_SUCCESS on successful running, another
	* CUnit error code on failure.
	*/
	int main(int argc, char **argv)
	{
	int c; /* Character received from getopt */
	int i = 0;
	int suite_id = -1; /* By default run everything */
	int test_id = -1; /* By default run all tests in the suite */
	int pci_bus_id = -1; /* By default PC bus ID is not specified */
	int pci_device_id = 0; /* By default PC device ID is zero */
	int display_devices = 0;/* By default not to display devices' info */
	CU_pSuite pSuite = NULL;
	CU_pTest pTest = NULL;
	int test_device_index;

	for (i = 0; i < MAX_CARDS_SUPPORTED; i++)
	drm_amdgpu[i] = -1;


	/* Parse command line string */
	opterr = 0; /* Do not print error messages from getopt */
	while ((c = getopt(argc, argv, options)) != -1) {
	switch (c) {
	case 'l':
	display_test_suites();
	exit(EXIT_SUCCESS);
	case 's':
	suite_id = atoi(optarg);
	break;
	case 't':
	test_id = atoi(optarg);
	break;
	case 'b':
	pci_bus_id = atoi(optarg);
	break;
	case 'd':
	sscanf(optarg, "%x", &pci_device_id);
	break;
	case 'p':
	display_devices = 1;
	break;
	case 'r':
	open_render_node = 1;
	break;
	case '?':
	case 'h':
	fprintf(stderr, usage, argv[0]);
	exit(EXIT_SUCCESS);
	default:
	fprintf(stderr, usage, argv[0]);
	exit(EXIT_FAILURE);
	}
	}

	if (amdgpu_open_devices(open_render_node) <= 0) {
	perror("Cannot open AMDGPU device");
	exit(EXIT_FAILURE);
	}

	if (drm_amdgpu[0] < 0) {
	perror("Cannot open AMDGPU device");
	exit(EXIT_FAILURE);
	}

	if (display_devices) {
	amdgpu_print_devices();
	amdgpu_close_devices();
	exit(EXIT_SUCCESS);
	}

	if (pci_bus_id > 0 \|\| pci_device_id) {
	/* A device was specified to run the test */
	test_device_index = amdgpu_find_device(pci_bus_id,
	pci_device_id);

	if (test_device_index >= 0) {
	/* Most tests run on device of drm_amdgpu[0].
	* Swap the chosen device to drm_amdgpu[0].
	*/
	i = drm_amdgpu[0];
	drm_amdgpu[0] = drm_amdgpu[test_device_index];
	drm_amdgpu[test_device_index] = i;
	} else {
	fprintf(stderr,
	"The specified GPU device does not exist.\n");
	exit(EXIT_FAILURE);
	}
	}

	/* Initialize test suites to run */

	/* initialize the CUnit test registry */
	if (CUE_SUCCESS != CU_initialize_registry()) {
	amdgpu_close_devices();
	return CU_get_error();
	}

	/* Register suites. */
	if (CU_register_suites(suites) != CUE_SUCCESS) {
	fprintf(stderr, "suite registration failed - %s\n",
	CU_get_error_msg());
	CU_cleanup_registry();
	amdgpu_close_devices();
	exit(EXIT_FAILURE);
	}

	/* Run tests using the CUnit Basic interface */
	CU_basic_set_mode(CU_BRM_VERBOSE);

	if (suite_id != -1) { /* If user specify particular suite? */
	pSuite = CU_get_suite_by_index((unsigned int) suite_id,
	CU_get_registry());

	if (pSuite) {
	if (test_id != -1) { /* If user specify test id */
	pTest = CU_get_test_by_index(
	(unsigned int) test_id,
	pSuite);
	if (pTest)
	CU_basic_run_test(pSuite, pTest);
	else {
	fprintf(stderr, "Invalid test id: %d\n",
	test_id);
	CU_cleanup_registry();
	amdgpu_close_devices();
	exit(EXIT_FAILURE);
	}
	} else
	CU_basic_run_suite(pSuite);
	} else {
	fprintf(stderr, "Invalid suite id : %d\n",
	suite_id);
	CU_cleanup_registry();
	amdgpu_close_devices();
	exit(EXIT_FAILURE);
	}
	} else
	CU_basic_run_tests();

	CU_cleanup_registry();
	amdgpu_close_devices();
	return CU_get_error();
	}