/*
 * Copyright © 2011 Intel Corporation
 *
 * 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 (including the next
 * paragraph) 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 AUTHORS OR COPYRIGHT HOLDERS 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 <sys/ioctl.h>
#include <string.h>
#include "drmtest.h"
#include "intel_batchbuffer.h"
#include "intel_gpu_tools.h"
#include "drm.h"
#include "i915_drm.h"
#include "intel_bufmgr.h"
#include "intel_context.h"

static drm_intel_bufmgr *bufmgr;

#define LARGE_OBJ_SIZE (4 << 10)
unsigned char data[LARGE_OBJ_SIZE];

static int
test_large_object(int fd)
{
	struct drm_i915_gem_create create;
	struct drm_i915_gem_pwrite pwrite;
	struct drm_i915_gem_pin pin;
	int ret;

	memset(&create, 0, sizeof(create));
	memset(&pwrite, 0, sizeof(pwrite));
	memset(&pin, 0, sizeof(pin));

	create.size = LARGE_OBJ_SIZE;
	ret = ioctl(fd, DRM_IOCTL_I915_GEM_CREATE, &create);
	if (ret) {
		fprintf(stderr, "object creation failed: %s\n",
			strerror(errno));
		return ret;
	}

	pin.handle = create.handle;
	ret = ioctl(fd, DRM_IOCTL_I915_GEM_PIN, &pin);
	if (ret) {
		fprintf(stderr, "pin failed: %s\n",
			strerror(errno));
		return ret;
	}

	pwrite.handle = create.handle;
	pwrite.size = LARGE_OBJ_SIZE;
	pwrite.data_ptr = (uint64_t)data;

	ret = ioctl(fd, DRM_IOCTL_I915_GEM_PWRITE, &pwrite);
	if (ret) {
		fprintf(stderr, "pwrite failed: %s\n",
			strerror(errno));
		return ret;
	}

	/*  kernel should clean this up for us */
	return 0;
}

int main(int argc, char **argv)
{
	int fd;

	fd = drm_open_any();

	bufmgr = drm_intel_bufmgr_gem_init(fd, 4096);
	drm_intel_bufmgr_set_debug(bufmgr, 1);
	drm_intel_bufmgr_gem_enable_reuse(bufmgr);

	/*  XXX Fill up the GTT so no_ass fails */
	while(!test_large_object(fd));
	printf("press enter to quit\n");
	getchar();
	drm_intel_bufmgr_destroy(bufmgr);

	close(fd);

	return 0;
}