1/*
2 * Copyright 2014 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 <string.h>
25#include <stdio.h>
26#include <stdlib.h>
27#include <unistd.h>
28#include <string.h>
29#include <ctype.h>
30#include <fcntl.h>
31#include <errno.h>
32#include <signal.h>
33#include <time.h>
34#include <sys/types.h>
35#include <sys/stat.h>
36#include <sys/ioctl.h>
37#include <sys/time.h>
38#include <stdarg.h>
39#include <stdint.h>
40#ifdef __linux__
41#include <linux/limits.h>
42#elif __FreeBSD__
43/* SPECNAMELEN in FreeBSD is defined here: */
44#include <sys/param.h>
45#endif
46#ifdef MAJOR_IN_MKDEV
47#include <sys/mkdev.h>
48#endif
49#ifdef MAJOR_IN_SYSMACROS
50#include <sys/sysmacros.h>
51#endif
52
53#include "drm.h"
54#include "xf86drmMode.h"
55#include "xf86drm.h"
56
57#include "CUnit/Basic.h"
58
59#include "amdgpu_test.h"
60#include "amdgpu_internal.h"
61
62/* Test suite names */
63#define BASIC_TESTS_STR "Basic Tests"
64#define BO_TESTS_STR "BO Tests"
65#define CS_TESTS_STR "CS Tests"
66#define VCE_TESTS_STR "VCE Tests"
67#define VCN_TESTS_STR "VCN Tests"
68#define JPEG_TESTS_STR "JPEG Tests"
69#define UVD_ENC_TESTS_STR "UVD ENC Tests"
70#define DEADLOCK_TESTS_STR "Deadlock Tests"
71#define VM_TESTS_STR "VM Tests"
72#define RAS_TESTS_STR "RAS Tests"
73#define SYNCOBJ_TIMELINE_TESTS_STR "SYNCOBJ TIMELINE Tests"
74#define SECURITY_TESTS_STR "Security Tests"
75#define HOTUNPLUG_TESTS_STR "Hotunplug Tests"
76#define CP_DMA_TESTS_STR "CP DMA Tests"
77
78/**
79 *  Open handles for amdgpu devices
80 *
81 */
82int drm_amdgpu[MAX_CARDS_SUPPORTED];
83
84/** Open render node to test */
85int open_render_node = 0;	/* By default run most tests on primary node */
86
87/** The table of all known test suites to run */
88static CU_SuiteInfo suites[] = {
89	{
90		.pName = BASIC_TESTS_STR,
91		.pInitFunc = suite_basic_tests_init,
92		.pCleanupFunc = suite_basic_tests_clean,
93		.pTests = basic_tests,
94	},
95	{
96		.pName = BO_TESTS_STR,
97		.pInitFunc = suite_bo_tests_init,
98		.pCleanupFunc = suite_bo_tests_clean,
99		.pTests = bo_tests,
100	},
101	{
102		.pName = CS_TESTS_STR,
103		.pInitFunc = suite_cs_tests_init,
104		.pCleanupFunc = suite_cs_tests_clean,
105		.pTests = cs_tests,
106	},
107	{
108		.pName = VCE_TESTS_STR,
109		.pInitFunc = suite_vce_tests_init,
110		.pCleanupFunc = suite_vce_tests_clean,
111		.pTests = vce_tests,
112	},
113	{
114		.pName = VCN_TESTS_STR,
115		.pInitFunc = suite_vcn_tests_init,
116		.pCleanupFunc = suite_vcn_tests_clean,
117		.pTests = vcn_tests,
118	},
119	{
120		.pName = JPEG_TESTS_STR,
121		.pInitFunc = suite_jpeg_tests_init,
122		.pCleanupFunc = suite_jpeg_tests_clean,
123		.pTests = jpeg_tests,
124	},
125	{
126		.pName = UVD_ENC_TESTS_STR,
127		.pInitFunc = suite_uvd_enc_tests_init,
128		.pCleanupFunc = suite_uvd_enc_tests_clean,
129		.pTests = uvd_enc_tests,
130	},
131	{
132		.pName = DEADLOCK_TESTS_STR,
133		.pInitFunc = suite_deadlock_tests_init,
134		.pCleanupFunc = suite_deadlock_tests_clean,
135		.pTests = deadlock_tests,
136	},
137	{
138		.pName = VM_TESTS_STR,
139		.pInitFunc = suite_vm_tests_init,
140		.pCleanupFunc = suite_vm_tests_clean,
141		.pTests = vm_tests,
142	},
143	{
144		.pName = RAS_TESTS_STR,
145		.pInitFunc = suite_ras_tests_init,
146		.pCleanupFunc = suite_ras_tests_clean,
147		.pTests = ras_tests,
148	},
149	{
150		.pName = SYNCOBJ_TIMELINE_TESTS_STR,
151		.pInitFunc = suite_syncobj_timeline_tests_init,
152		.pCleanupFunc = suite_syncobj_timeline_tests_clean,
153		.pTests = syncobj_timeline_tests,
154	},
155	{
156		.pName = SECURITY_TESTS_STR,
157		.pInitFunc = suite_security_tests_init,
158		.pCleanupFunc = suite_security_tests_clean,
159		.pTests = security_tests,
160	},
161	{
162		.pName = HOTUNPLUG_TESTS_STR,
163		.pInitFunc = suite_hotunplug_tests_init,
164		.pCleanupFunc = suite_hotunplug_tests_clean,
165		.pTests = hotunplug_tests,
166	},
167	{
168		.pName = CP_DMA_TESTS_STR,
169		.pInitFunc = suite_cp_dma_tests_init,
170		.pCleanupFunc = suite_cp_dma_tests_clean,
171		.pTests = cp_dma_tests,
172	},
173
174	CU_SUITE_INFO_NULL,
175};
176
177typedef CU_BOOL (*active__stat_func)(void);
178
179typedef struct Suites_Active_Status {
180	char*             pName;
181	active__stat_func pActive;
182}Suites_Active_Status;
183
184static CU_BOOL always_active()
185{
186	return CU_TRUE;
187}
188
189static Suites_Active_Status suites_active_stat[] = {
190		{
191			.pName = BASIC_TESTS_STR,
192			.pActive = suite_basic_tests_enable,
193		},
194		{
195			.pName = BO_TESTS_STR,
196			.pActive = always_active,
197		},
198		{
199			.pName = CS_TESTS_STR,
200			.pActive = suite_cs_tests_enable,
201		},
202		{
203			.pName = VCE_TESTS_STR,
204			.pActive = suite_vce_tests_enable,
205		},
206		{
207			.pName = VCN_TESTS_STR,
208			.pActive = suite_vcn_tests_enable,
209		},
210		{
211			.pName = JPEG_TESTS_STR,
212			.pActive = suite_jpeg_tests_enable,
213		},
214		{
215			.pName = UVD_ENC_TESTS_STR,
216			.pActive = suite_uvd_enc_tests_enable,
217		},
218		{
219			.pName = DEADLOCK_TESTS_STR,
220			.pActive = suite_deadlock_tests_enable,
221		},
222		{
223			.pName = VM_TESTS_STR,
224			.pActive = suite_vm_tests_enable,
225		},
226		{
227			.pName = RAS_TESTS_STR,
228			.pActive = suite_ras_tests_enable,
229		},
230		{
231			.pName = SYNCOBJ_TIMELINE_TESTS_STR,
232			.pActive = suite_syncobj_timeline_tests_enable,
233		},
234		{
235			.pName = SECURITY_TESTS_STR,
236			.pActive = suite_security_tests_enable,
237		},
238		{
239			.pName = HOTUNPLUG_TESTS_STR,
240			.pActive = suite_hotunplug_tests_enable,
241		},
242		{
243			.pName = CP_DMA_TESTS_STR,
244			.pActive = suite_cp_dma_tests_enable,
245		},
246};
247
248
249/*
250 * Display information about all  suites and their tests
251 *
252 * NOTE: Must be run after registry is initialized and suites registered.
253 */
254static void display_test_suites(void)
255{
256	int iSuite;
257	int iTest;
258	CU_pSuite pSuite = NULL;
259	CU_pTest  pTest  = NULL;
260
261	printf("%5s: %2s: %8s: %s\n", "What", "ID", "Status", "Name");
262
263	for (iSuite = 0; suites[iSuite].pName != NULL; iSuite++) {
264
265		pSuite = CU_get_suite_by_index((unsigned int) iSuite + 1,
266					       CU_get_registry());
267
268		if (!pSuite) {
269			fprintf(stderr, "Invalid suite id : %d\n", iSuite + 1);
270			continue;
271		}
272
273		printf("Suite: %2d: %8s: %s\n",
274		       iSuite + 1,
275		       pSuite->fActive ? "ENABLED" : "DISABLED",
276		       suites[iSuite].pName);
277
278		if (!pSuite->fActive)
279			continue;
280
281		for (iTest = 0; suites[iSuite].pTests[iTest].pName != NULL;
282		     iTest++) {
283			pTest = CU_get_test_by_index((unsigned int) iTest + 1,
284						     pSuite);
285			if (!pTest) {
286				fprintf(stderr, "Invalid test id : %d\n", iTest + 1);
287				continue;
288			}
289			printf(" Test: %2d: %8s: %s\n",
290			       iTest + 1,
291			       pSuite->fActive && pTest->fActive ? "ENABLED" : "DISABLED",
292			       suites[iSuite].pTests[iTest].pName);
293		}
294	}
295}
296
297/** Help string for command line parameters */
298static const char usage[] =
299	"Usage: %s [-hlpr] [<-s <suite id>> [-t <test id>] [-f]] "
300	"[-b <pci_bus_id> [-d <pci_device_id>]]\n"
301	"where:\n"
302	"       l - Display all suites and their tests\n"
303	"       r - Run the tests on render node\n"
304	"       b - Specify device's PCI bus id to run tests\n"
305	"       d - Specify device's PCI device id to run tests (optional)\n"
306	"       p - Display information of AMDGPU devices in system\n"
307	"       f - Force executing inactive suite or test\n"
308	"       h - Display this help\n";
309/** Specified options strings for getopt */
310static const char options[]   = "hlrps:t:b:d:f";
311
312/* Open AMD devices.
313 * Return the number of AMD device opened.
314 */
315static int amdgpu_open_devices(int open_render_node)
316{
317	drmDevicePtr devices[MAX_CARDS_SUPPORTED];
318	int i;
319	int drm_node;
320	int amd_index = 0;
321	int drm_count;
322	int fd;
323	drmVersionPtr version;
324
325	for (i = 0; i < MAX_CARDS_SUPPORTED; i++) {
326		drm_amdgpu[i] = -1;
327	}
328
329	drm_count = drmGetDevices2(0, devices, MAX_CARDS_SUPPORTED);
330
331	if (drm_count < 0) {
332		fprintf(stderr,
333			"drmGetDevices2() returned an error %d\n",
334			drm_count);
335		return 0;
336	}
337
338	for (i = 0; i < drm_count; i++) {
339		/* If this is not PCI device, skip*/
340		if (devices[i]->bustype != DRM_BUS_PCI)
341			continue;
342
343		/* If this is not AMD GPU vender ID, skip*/
344		if (devices[i]->deviceinfo.pci->vendor_id != 0x1002)
345			continue;
346
347		if (open_render_node)
348			drm_node = DRM_NODE_RENDER;
349		else
350			drm_node = DRM_NODE_PRIMARY;
351
352		fd = -1;
353		if (devices[i]->available_nodes & 1 << drm_node)
354			fd = open(
355				devices[i]->nodes[drm_node],
356				O_RDWR | O_CLOEXEC);
357
358		/* This node is not available. */
359		if (fd < 0) continue;
360
361		version = drmGetVersion(fd);
362		if (!version) {
363			fprintf(stderr,
364				"Warning: Cannot get version for %s."
365				"Error is %s\n",
366				devices[i]->nodes[drm_node],
367				strerror(errno));
368			close(fd);
369			continue;
370		}
371
372		if (strcmp(version->name, "amdgpu")) {
373			/* This is not AMDGPU driver, skip.*/
374			drmFreeVersion(version);
375			close(fd);
376			continue;
377		}
378
379		drmFreeVersion(version);
380
381		drm_amdgpu[amd_index] = fd;
382		amd_index++;
383	}
384
385	drmFreeDevices(devices, drm_count);
386	return amd_index;
387}
388
389/* Close AMD devices.
390 */
391void amdgpu_close_devices()
392{
393	int i;
394	for (i = 0; i < MAX_CARDS_SUPPORTED; i++)
395		if (drm_amdgpu[i] >=0) {
396			close(drm_amdgpu[i]);
397		}
398}
399
400/* Print AMD devices information */
401static void amdgpu_print_devices()
402{
403	int i;
404	drmDevicePtr device;
405
406	/* Open the first AMD device to print driver information. */
407	if (drm_amdgpu[0] >=0) {
408		/* Display AMD driver version information.*/
409		drmVersionPtr retval = drmGetVersion(drm_amdgpu[0]);
410
411		if (retval == NULL) {
412			perror("Cannot get version for AMDGPU device");
413			return;
414		}
415
416		printf("Driver name: %s, Date: %s, Description: %s.\n",
417			retval->name, retval->date, retval->desc);
418		drmFreeVersion(retval);
419	}
420
421	/* Display information of AMD devices */
422	printf("Devices:\n");
423	for (i = 0; i < MAX_CARDS_SUPPORTED && drm_amdgpu[i] >=0; i++)
424		if (drmGetDevice2(drm_amdgpu[i],
425			DRM_DEVICE_GET_PCI_REVISION,
426			&device) == 0) {
427			if (device->bustype == DRM_BUS_PCI) {
428				printf("PCI ");
429				printf(" domain:%04x",
430					device->businfo.pci->domain);
431				printf(" bus:%02x",
432					device->businfo.pci->bus);
433				printf(" device:%02x",
434					device->businfo.pci->dev);
435				printf(" function:%01x",
436					device->businfo.pci->func);
437				printf(" vendor_id:%04x",
438					device->deviceinfo.pci->vendor_id);
439				printf(" device_id:%04x",
440					device->deviceinfo.pci->device_id);
441				printf(" subvendor_id:%04x",
442					device->deviceinfo.pci->subvendor_id);
443				printf(" subdevice_id:%04x",
444					device->deviceinfo.pci->subdevice_id);
445				printf(" revision_id:%02x",
446					device->deviceinfo.pci->revision_id);
447				printf("\n");
448			}
449			drmFreeDevice(&device);
450		}
451}
452
453/* Find a match AMD device in PCI bus
454 * Return the index of the device or -1 if not found
455 */
456static int amdgpu_find_device(uint8_t bus, uint16_t dev)
457{
458	int i;
459	drmDevicePtr device;
460
461	for (i = 0; i < MAX_CARDS_SUPPORTED && drm_amdgpu[i] >= 0; i++) {
462		if (drmGetDevice2(drm_amdgpu[i],
463			DRM_DEVICE_GET_PCI_REVISION,
464			&device) == 0) {
465			if (device->bustype == DRM_BUS_PCI)
466				if ((bus == 0xFF || device->businfo.pci->bus == bus) &&
467					device->deviceinfo.pci->device_id == dev) {
468					drmFreeDevice(&device);
469					return i;
470				}
471
472			drmFreeDevice(&device);
473		}
474	}
475
476	return -1;
477}
478
479static void amdgpu_disable_suites()
480{
481	amdgpu_device_handle device_handle;
482	uint32_t major_version, minor_version, family_id;
483	drmDevicePtr devices[MAX_CARDS_SUPPORTED];
484	int i, drm_count;
485	int size = sizeof(suites_active_stat) / sizeof(suites_active_stat[0]);
486
487	if (amdgpu_device_initialize(drm_amdgpu[0], &major_version,
488				   &minor_version, &device_handle))
489		return;
490
491	family_id = device_handle->info.family_id;
492
493	if (amdgpu_device_deinitialize(device_handle))
494		return;
495
496	drm_count = drmGetDevices2(0, devices, MAX_CARDS_SUPPORTED);
497
498	/* Set active status for suites based on their policies */
499	for (i = 0; i < size; ++i)
500		if (amdgpu_set_suite_active(suites_active_stat[i].pName,
501				suites_active_stat[i].pActive()))
502			fprintf(stderr, "suite deactivation failed - %s\n", CU_get_error_msg());
503
504	/* Explicitly disable specific tests due to known bugs or preferences */
505	/*
506	* BUG: Compute ring stalls and never recovers when the address is
507	* written after the command already submitted
508	*/
509	if (amdgpu_set_test_active(DEADLOCK_TESTS_STR,
510			"compute ring block test (set amdgpu.lockup_timeout=50)", CU_FALSE))
511		fprintf(stderr, "test deactivation failed - %s\n", CU_get_error_msg());
512
513	if (amdgpu_set_test_active(DEADLOCK_TESTS_STR,
514				"sdma ring block test (set amdgpu.lockup_timeout=50)", CU_FALSE))
515		fprintf(stderr, "test deactivation failed - %s\n", CU_get_error_msg());
516
517	/* This test was ran on GFX9 only */
518	//if (family_id < AMDGPU_FAMILY_AI || family_id > AMDGPU_FAMILY_RV)
519		if (amdgpu_set_test_active(DEADLOCK_TESTS_STR,
520				"gfx ring bad dispatch test (set amdgpu.lockup_timeout=50)", CU_FALSE))
521			fprintf(stderr, "test deactivation failed - %s\n", CU_get_error_msg());
522
523	/* This test was ran on GFX9 only */
524	//if (family_id < AMDGPU_FAMILY_AI || family_id > AMDGPU_FAMILY_RV)
525		if (amdgpu_set_test_active(DEADLOCK_TESTS_STR,
526				"compute ring bad dispatch test (set amdgpu.lockup_timeout=50,50)", CU_FALSE))
527			fprintf(stderr, "test deactivation failed - %s\n", CU_get_error_msg());
528
529	/* This test was ran on GFX9 only */
530	//if (family_id < AMDGPU_FAMILY_AI || family_id > AMDGPU_FAMILY_RV)
531		if (amdgpu_set_test_active(DEADLOCK_TESTS_STR,
532				"gfx ring bad slow dispatch test (set amdgpu.lockup_timeout=50)", CU_FALSE))
533			fprintf(stderr, "test deactivation failed - %s\n", CU_get_error_msg());
534
535	/* This test was ran on GFX9 only */
536	//if (family_id < AMDGPU_FAMILY_AI || family_id > AMDGPU_FAMILY_RV)
537		if (amdgpu_set_test_active(DEADLOCK_TESTS_STR,
538				"compute ring bad slow dispatch test (set amdgpu.lockup_timeout=50,50)", CU_FALSE))
539			fprintf(stderr, "test deactivation failed - %s\n", CU_get_error_msg());
540
541	//if (family_id < AMDGPU_FAMILY_AI || family_id > AMDGPU_FAMILY_RV)
542		if (amdgpu_set_test_active(DEADLOCK_TESTS_STR,
543				"gfx ring bad draw test (set amdgpu.lockup_timeout=50)", CU_FALSE))
544			fprintf(stderr, "test deactivation failed - %s\n", CU_get_error_msg());
545
546	/* This test was ran on GFX9 only */
547	//if (family_id < AMDGPU_FAMILY_AI || family_id > AMDGPU_FAMILY_RV)
548		if (amdgpu_set_test_active(DEADLOCK_TESTS_STR,
549				"gfx ring slow bad draw test (set amdgpu.lockup_timeout=50)", CU_FALSE))
550			fprintf(stderr, "test deactivation failed - %s\n", CU_get_error_msg());
551
552	if (amdgpu_set_test_active(BASIC_TESTS_STR, "bo eviction Test", CU_FALSE))
553		fprintf(stderr, "test deactivation failed - %s\n", CU_get_error_msg());
554
555	/* This test was ran on GFX8 and GFX9 only */
556	if (family_id < AMDGPU_FAMILY_VI || family_id > AMDGPU_FAMILY_RV)
557		if (amdgpu_set_test_active(BASIC_TESTS_STR, "Sync dependency Test", CU_FALSE))
558			fprintf(stderr, "test deactivation failed - %s\n", CU_get_error_msg());
559
560	/* This test was ran on GFX9 only */
561	if (family_id < AMDGPU_FAMILY_AI || family_id > AMDGPU_FAMILY_RV) {
562		if (amdgpu_set_test_active(BASIC_TESTS_STR, "Dispatch Test (GFX)", CU_FALSE))
563			fprintf(stderr, "test deactivation failed - %s\n", CU_get_error_msg());
564		if (amdgpu_set_test_active(BASIC_TESTS_STR, "Dispatch Test (Compute)", CU_FALSE))
565			fprintf(stderr, "test deactivation failed - %s\n", CU_get_error_msg());
566	}
567
568	/* This test was ran on GFX9 only */
569	if (family_id < AMDGPU_FAMILY_AI || family_id > AMDGPU_FAMILY_RV)
570		if (amdgpu_set_test_active(BASIC_TESTS_STR, "Draw Test", CU_FALSE))
571			fprintf(stderr, "test deactivation failed - %s\n", CU_get_error_msg());
572
573	/* This test was ran on GFX9 only */
574	//if (family_id < AMDGPU_FAMILY_AI || family_id > AMDGPU_FAMILY_RV)
575		if (amdgpu_set_test_active(BASIC_TESTS_STR, "GPU reset Test", CU_FALSE))
576			fprintf(stderr, "test deactivation failed - %s\n", CU_get_error_msg());
577
578	/* You need at least 2 devices for this	*/
579	if (drm_count < 2)
580		if (amdgpu_set_test_active(HOTUNPLUG_TESTS_STR, "Unplug with exported fence", CU_FALSE))
581			fprintf(stderr, "test deactivation failed - %s\n", CU_get_error_msg());
582}
583
584int test_device_index;
585
586int amdgpu_open_device_on_test_index(int render_node)
587{
588	int i;
589
590	if (amdgpu_open_devices(open_render_node) <= 0) {
591		perror("Cannot open AMDGPU device");
592		return -1;
593	}
594
595	if (test_device_index >= 0) {
596		/* Most tests run on device of drm_amdgpu[0].
597		 * Swap the chosen device to drm_amdgpu[0].
598		 */
599		i = drm_amdgpu[0];
600		drm_amdgpu[0] = drm_amdgpu[test_device_index];
601		drm_amdgpu[test_device_index] = i;
602	}
603
604	return 0;
605
606
607}
608
609
610static bool amdgpu_node_is_drm(int maj, int min)
611{
612#ifdef __linux__
613    char path[64];
614    struct stat sbuf;
615
616    snprintf(path, sizeof(path), "/sys/dev/char/%d:%d/device/drm",
617             maj, min);
618    return stat(path, &sbuf) == 0;
619#elif defined(__FreeBSD__)
620    char name[SPECNAMELEN];
621
622    if (!devname_r(makedev(maj, min), S_IFCHR, name, sizeof(name)))
623      return 0;
624    /* Handle drm/ and dri/ as both are present in different FreeBSD version
625     * FreeBSD on amd64/i386/powerpc external kernel modules create node in
626     * in /dev/drm/ and links in /dev/dri while a WIP in kernel driver creates
627     * only device nodes in /dev/dri/ */
628    return (!strncmp(name, "drm/", 4) || !strncmp(name, "dri/", 4));
629#else
630    return maj == DRM_MAJOR;
631#endif
632}
633
634char *amdgpu_get_device_from_fd(int fd)
635{
636#ifdef __linux__
637    struct stat sbuf;
638    char path[PATH_MAX + 1];
639    unsigned int maj, min;
640
641    if (fstat(fd, &sbuf))
642        return NULL;
643
644    maj = major(sbuf.st_rdev);
645    min = minor(sbuf.st_rdev);
646
647    if (!amdgpu_node_is_drm(maj, min) || !S_ISCHR(sbuf.st_mode))
648        return NULL;
649
650    snprintf(path, sizeof(path), "/sys/dev/char/%d:%d/device", maj, min);
651    return strdup(path);
652#else
653    return NULL;
654#endif
655}
656
657/* The main() function for setting up and running the tests.
658 * Returns a CUE_SUCCESS on successful running, another
659 * CUnit error code on failure.
660 */
661int main(int argc, char **argv)
662{
663	int c;			/* Character received from getopt */
664	int i = 0;
665	int suite_id = -1;	/* By default run everything */
666	int test_id  = -1;	/* By default run all tests in the suite */
667	int pci_bus_id = -1;    /* By default PC bus ID is not specified */
668	int pci_device_id = 0;  /* By default PC device ID is zero */
669	int display_devices = 0;/* By default not to display devices' info */
670	CU_pSuite pSuite = NULL;
671	CU_pTest  pTest  = NULL;
672	int display_list = 0;
673	int force_run = 0;
674
675	for (i = 0; i < MAX_CARDS_SUPPORTED; i++)
676		drm_amdgpu[i] = -1;
677
678
679	/* Parse command line string */
680	opterr = 0;		/* Do not print error messages from getopt */
681	while ((c = getopt(argc, argv, options)) != -1) {
682		switch (c) {
683		case 'l':
684			display_list = 1;
685			break;
686		case 's':
687			suite_id = atoi(optarg);
688			break;
689		case 't':
690			test_id = atoi(optarg);
691			break;
692		case 'b':
693			pci_bus_id = atoi(optarg);
694			break;
695		case 'd':
696			sscanf(optarg, "%x", &pci_device_id);
697			break;
698		case 'p':
699			display_devices = 1;
700			break;
701		case 'r':
702			open_render_node = 1;
703			break;
704		case 'f':
705			force_run = 1;
706			break;
707		case '?':
708		case 'h':
709			fprintf(stderr, usage, argv[0]);
710			exit(EXIT_SUCCESS);
711		default:
712			fprintf(stderr, usage, argv[0]);
713			exit(EXIT_FAILURE);
714		}
715	}
716
717	if (amdgpu_open_devices(open_render_node) <= 0) {
718		perror("Cannot open AMDGPU device");
719		exit(EXIT_FAILURE);
720	}
721
722	if (drm_amdgpu[0] < 0) {
723		perror("Cannot open AMDGPU device");
724		exit(EXIT_FAILURE);
725	}
726
727	if (display_devices) {
728		amdgpu_print_devices();
729		amdgpu_close_devices();
730		exit(EXIT_SUCCESS);
731	}
732
733	if (pci_bus_id > 0 || pci_device_id) {
734		/* A device was specified to run the test */
735		test_device_index = amdgpu_find_device(pci_bus_id,
736						       pci_device_id);
737
738		if (test_device_index >= 0) {
739			/* Most tests run on device of drm_amdgpu[0].
740			 * Swap the chosen device to drm_amdgpu[0].
741			 */
742			i = drm_amdgpu[0];
743			drm_amdgpu[0] = drm_amdgpu[test_device_index];
744			drm_amdgpu[test_device_index] = i;
745		} else {
746			fprintf(stderr,
747				"The specified GPU device does not exist.\n");
748			exit(EXIT_FAILURE);
749		}
750	}
751
752	/* Initialize test suites to run */
753
754	/* initialize the CUnit test registry */
755	if (CUE_SUCCESS != CU_initialize_registry()) {
756		amdgpu_close_devices();
757		return CU_get_error();
758	}
759
760	/* Register suites. */
761	if (CU_register_suites(suites) != CUE_SUCCESS) {
762		fprintf(stderr, "suite registration failed - %s\n",
763				CU_get_error_msg());
764		CU_cleanup_registry();
765		amdgpu_close_devices();
766		exit(EXIT_FAILURE);
767	}
768
769	/* Run tests using the CUnit Basic interface */
770	CU_basic_set_mode(CU_BRM_VERBOSE);
771
772	/* Disable suites and individual tests based on misc. conditions */
773	amdgpu_disable_suites();
774
775	if (display_list) {
776		display_test_suites();
777		goto end;
778	}
779
780	if (suite_id != -1) {	/* If user specify particular suite? */
781		pSuite = CU_get_suite_by_index((unsigned int) suite_id,
782						CU_get_registry());
783
784		if (pSuite) {
785
786			if (force_run)
787				CU_set_suite_active(pSuite, CU_TRUE);
788
789			if (test_id != -1) {   /* If user specify test id */
790				pTest = CU_get_test_by_index(
791						(unsigned int) test_id,
792						pSuite);
793				if (pTest) {
794					if (force_run)
795						CU_set_test_active(pTest, CU_TRUE);
796
797					CU_basic_run_test(pSuite, pTest);
798				}
799				else {
800					fprintf(stderr, "Invalid test id: %d\n",
801								test_id);
802					CU_cleanup_registry();
803					amdgpu_close_devices();
804					exit(EXIT_FAILURE);
805				}
806			} else
807				CU_basic_run_suite(pSuite);
808		} else {
809			fprintf(stderr, "Invalid suite id : %d\n",
810					suite_id);
811			CU_cleanup_registry();
812			amdgpu_close_devices();
813			exit(EXIT_FAILURE);
814		}
815	} else
816		CU_basic_run_tests();
817
818end:
819	CU_cleanup_registry();
820	amdgpu_close_devices();
821	return CU_get_error();
822}
823