tests/vivante/viv_bo_test.c

/*
 * Copyright © 2015 Canonical Ltd. (Maarten Lankhorst)
 *
 * 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 <sys/ioctl.h>
#include <dlfcn.h>
#include <fcntl.h>
#include <stdio.h>
#include <unistd.h>
#include <errno.h>
#include <pthread.h>

#include "xf86drm.h"
#include "vivante.h"

static int import_fd;

static void *
openclose(void *dev)
{
	int fd = (intptr_t)dev;
	uint32_t bo_handle;
	int i;

	for (i = 0; i < 100000; ++i) {
		if (!drmPrimeFDToHandle(fd, import_fd, &bo_handle))
			drm_vivante_bo_destroy(fd, bo_handle);
	}
	return NULL;
}

int main(int argc, char *argv[])
{
	drmVersionPtr version;
	const char *device = NULL;
	int err, fd1, fd2;
	uint32_t bo_handle;
	pthread_t t1, t2;

	if (argc < 2) {
		fd1 = drmOpenWithType("vivante", NULL, DRM_NODE_RENDER);
		if (fd1 >= 0)
			fd2 = drmOpenWithType("vivante", NULL, DRM_NODE_RENDER);
	} else {
		device = argv[1];

		fd1 = open(device, O_RDWR);
		if (fd1 >= 0)
			fd2 = open(device, O_RDWR);
		else
			fd2 = fd1 = -errno;
	}

	if (fd1 < 0) {
		fprintf(stderr, "Opening 1st vivante render node failed with %i\n", fd1);
		return device ? -fd1 : 77;
	}

	if (fd2 < 0) {
		fprintf(stderr, "Opening 2nd vivante render node failed with %i\n", -errno);
		return errno;
	}

	version = drmGetVersion(fd1);
	if (version) {
		printf("Version: %d.%d.%d\n", version->version_major,
		       version->version_minor, version->version_patchlevel);
		printf("  Name: %s\n", version->name);
		printf("  Date: %s\n", version->date);
		printf("  Description: %s\n", version->desc);

		drmFreeVersion(version);
	}

	err = drm_vivante_bo_create(fd2, 0, 4096, &bo_handle);
	if (!err)
        err = drmPrimeHandleToFD(fd2, bo_handle, DRM_CLOEXEC, &import_fd);

	if (!err) {
		pthread_create(&t1, NULL, openclose, (void*)(intptr_t)fd1);
		pthread_create(&t2, NULL, openclose, (void*)(intptr_t)fd1);
	}

	pthread_join(t1, NULL);
	pthread_join(t2, NULL);

	close(import_fd);
	drm_vivante_bo_destroy(fd2, bo_handle);

	if (device) {
		close(fd2);
		close(fd1);
	} else {
		drmClose(fd2);
		drmClose(fd1);
	}

	return 0;
}