예제 #1
0
void ion_map_test()
{
	int fd, map_fd, ret;
	size_t i;
	struct ion_handle *handle;
	unsigned char *ptr;

	if(_ion_alloc_test(&fd, &handle))
		return;

	if (tiler_test)
		len = height * stride;
	ret = ion_map(fd, handle, len, prot, map_flags, 0, &ptr, &map_fd);
	if (ret)
		return;

	if (tiler_test)
		_ion_tiler_map_test(ptr);
	else {
		for (i = 0; i < len; i++) {
			ptr[i] = (unsigned char)i;
		}
		for (i = 0; i < len; i++)
			if (ptr[i] != (unsigned char)i)
				printf("%s failed wrote %d read %d from mapped "
					   "memory\n", __func__, i, ptr[i]);
	}
	/* clean up properly */
	ret = ion_free(fd, handle);
	ion_close(fd);
	munmap(ptr, len);
	close(map_fd);

	_ion_alloc_test(&fd, &handle);
	close(fd);

#if 0
	munmap(ptr, len);
	close(map_fd);
	ion_close(fd);

	_ion_alloc_test(len, align, flags, &fd, &handle);
	close(map_fd);
	ret = ion_map(fd, handle, len, prot, flags, 0, &ptr, &map_fd);
	/* don't clean up */
#endif
}
int ion_map_test(int count)
{
	int fd, ret = 0, i, count_alloc, count_map;
	struct ion_handle **handle;
	unsigned char **ptr;
	int *map_fd;

	fd = ion_open();
	if (fd < 0) {
		printf("%s(): FAILED to open ion device\n",	__func__);
		return -1;
	}

	handle = (struct ion_handle **)malloc(count * sizeof(struct ion_handle *));
	if(handle == NULL) {
		printf("%s(): FAILED to allocate memory for ion_handles\n", __func__);
		return -ENOMEM;
	}

	count_alloc = count;
	count_map = count;

	/* Allocate ion_handles */
	for(i = 0; i < count; i++) {
		ret = _ion_alloc_test(fd, &(handle[i]));
		printf("%s(): Alloc handle[%d]=%p\n", __func__, i, handle[i]);
		if(ret || ((int)handle[i]  == -ENOMEM)) {
			printf("%s(): Alloc handle[%d]=%p FAILED, err:%s\n",
					__func__, i, handle[i], strerror(ret));
			count_alloc = i;
			goto err_alloc;
		}
	}

	/* Map ion_handles and validate */
	if (tiler_test)
		len = height * stride;

	ptr = (unsigned char **)malloc(count * sizeof(unsigned char **));
	map_fd = (int *)malloc(count * sizeof(int *));

	for(i = 0; i < count; i++) {
		/* Map ion_handle on userside */
		ret = ion_map(fd, handle[i], len, prot, map_flags, 0, &(ptr[i]), &(map_fd[i]));
		printf("%s(): Map handle[%d]=%p, map_fd=%d, ptr=%p\n",
				__func__, i, handle[i], map_fd[i], ptr[i]);
		if(ret) {
			printf("%s Map handle[%d]=%p FAILED, err:%s\n",
					__func__, i, handle[i], strerror(ret));
			count_map = i;
			goto err_map;
		}

		/* Validate mapping by writing the data and reading it back */
		if (tiler_test)
			_ion_tiler_map_test(ptr[i]);
		else
			_ion_map_test(ptr[i]);
	}

	/* clean up properly */
	err_map:
	for(i = 0; i < count_map; i++) {
		/* Unmap ion_handles */
		ret = munmap(ptr[i], len);
		printf("%s(): Unmap handle[%d]=%p, map_fd=%d, ptr=%p\n",
				__func__, i, handle[i], map_fd[i], ptr[i]);
		if(ret) {
			printf("%s(): Unmap handle[%d]=%p FAILED, err:%s\n",
					__func__, i, handle[i], strerror(ret));
			goto err_map;
		}
		/* Close fds */
		close(map_fd[i]);
	}
	free(map_fd);
	free(ptr);

	err_alloc:
	/* Free ion_handles */
	for (i = 0; i < count_alloc; i++) {
		printf("%s(): Free handle[%d]=%p\n", __func__, i, handle[i]);
		ret = ion_free(fd, handle[i]);
		if (ret) {
			printf("%s(): Free handle[%d]=%p FAILED, err:%s\n",
					__func__, i, handle[i], strerror(ret));
		}
	}

	ion_close(fd);
	free(handle);
	handle = NULL;

	if(ret || (count_alloc != count) || (count_map != count))
	{
		printf("\nion map test: FAILED\n\n");
		if((count_alloc != count) || (count_map != count))
			ret = -ENOMEM;
	}	else
		printf("\nion map test: PASSED\n");

	return ret;
}