31 	int fd;  in writeat()  local
33 	fd = openat(dfd, fn, O_WRONLY);  in writeat()
34 	if (fd == -1)  in writeat()
36 	res = write(fd, val, val_len);  in writeat()
38 	close(fd);  in writeat()
210 	int fd;  in FIXTURE()  local
216 	self->fd = -1;  in FIXTURE_SETUP()
225 		/* The access FD holds the iommufd open until it closes */  in FIXTURE_TEARDOWN()
229 	teardown_iommufd(self->fd, _metadata);  in FIXTURE_TEARDOWN()
241 	self->fd = open("/dev/iommu", O_RDWR);  in TEST_FAIL_NTH()
242 	if (self->fd == -1)  in TEST_FAIL_NTH()
245 	if (_test_ioctl_ioas_alloc(self->fd, &ioas_id))  in TEST_FAIL_NTH()
255 		if (ioctl(self->fd, IOMMU_IOAS_IOVA_RANGES, &ranges_cmd))  in TEST_FAIL_NTH()
269 		if (ioctl(self->fd, IOMMU_IOAS_ALLOW_IOVAS, &allow_cmd))  in TEST_FAIL_NTH()
273 	if (_test_ioctl_ioas_map(self->fd, ioas_id, buffer, BUFFER_SIZE, &iova,  in TEST_FAIL_NTH()
289 		if (ioctl(self->fd, IOMMU_IOAS_COPY, &copy_cmd))  in TEST_FAIL_NTH()
293 	if (_test_ioctl_ioas_unmap(self->fd, ioas_id, iova, BUFFER_SIZE,  in TEST_FAIL_NTH()
297 	_test_ioctl_ioas_unmap(self->fd, ioas_id, iova, BUFFER_SIZE, NULL);  in TEST_FAIL_NTH()
309 	self->fd = open("/dev/iommu", O_RDWR);  in TEST_FAIL_NTH()
310 	if (self->fd == -1)  in TEST_FAIL_NTH()
313 	if (_test_ioctl_ioas_alloc(self->fd, &ioas_id))  in TEST_FAIL_NTH()
316 	if (_test_ioctl_set_temp_memory_limit(self->fd, 32))  in TEST_FAIL_NTH()
321 	if (_test_cmd_mock_domain(self->fd, ioas_id, &stdev_id, &hwpt_id, NULL))  in TEST_FAIL_NTH()
324 	if (_test_ioctl_ioas_map(self->fd, ioas_id, buffer, 262144, &iova,  in TEST_FAIL_NTH()
329 	if (_test_ioctl_destroy(self->fd, stdev_id))  in TEST_FAIL_NTH()
332 	if (_test_cmd_mock_domain(self->fd, ioas_id, &stdev_id, &hwpt_id, NULL))  in TEST_FAIL_NTH()
345 	self->fd = open("/dev/iommu", O_RDWR);  in TEST_FAIL_NTH()
346 	if (self->fd == -1)  in TEST_FAIL_NTH()
349 	if (_test_ioctl_ioas_alloc(self->fd, &ioas_id))  in TEST_FAIL_NTH()
352 	if (_test_ioctl_set_temp_memory_limit(self->fd, 32))  in TEST_FAIL_NTH()
357 	if (_test_cmd_mock_domain(self->fd, ioas_id, &stdev_id, &hwpt_id, NULL))  in TEST_FAIL_NTH()
360 	if (_test_ioctl_ioas_map_file(self->fd, ioas_id, mfd, 0, 262144, &iova,  in TEST_FAIL_NTH()
365 	if (_test_ioctl_destroy(self->fd, stdev_id))  in TEST_FAIL_NTH()
368 	if (_test_cmd_mock_domain(self->fd, ioas_id, &stdev_id, &hwpt_id, NULL))  in TEST_FAIL_NTH()
382 	self->fd = open("/dev/iommu", O_RDWR);  in TEST_FAIL_NTH()
383 	if (self->fd == -1)  in TEST_FAIL_NTH()
386 	if (_test_ioctl_ioas_alloc(self->fd, &ioas_id))  in TEST_FAIL_NTH()
389 	if (_test_ioctl_set_temp_memory_limit(self->fd, 32))  in TEST_FAIL_NTH()
392 	if (_test_cmd_mock_domain(self->fd, ioas_id, &stdev_id, &hwpt_id, NULL))  in TEST_FAIL_NTH()
397 	if (_test_cmd_mock_domain(self->fd, ioas_id, &stdev_id2, &hwpt_id2,  in TEST_FAIL_NTH()
401 	if (_test_ioctl_ioas_map(self->fd, ioas_id, buffer, 262144, &iova,  in TEST_FAIL_NTH()
406 	if (_test_ioctl_destroy(self->fd, stdev_id))  in TEST_FAIL_NTH()
409 	if (_test_ioctl_destroy(self->fd, stdev_id2))  in TEST_FAIL_NTH()
412 	if (_test_cmd_mock_domain(self->fd, ioas_id, &stdev_id, &hwpt_id, NULL))  in TEST_FAIL_NTH()
414 	if (_test_cmd_mock_domain(self->fd, ioas_id, &stdev_id2, &hwpt_id2,  in TEST_FAIL_NTH()
427 	self->fd = open("/dev/iommu", O_RDWR);  in TEST_FAIL_NTH()
428 	if (self->fd == -1)  in TEST_FAIL_NTH()
431 	if (_test_ioctl_ioas_alloc(self->fd, &ioas_id))  in TEST_FAIL_NTH()
434 	if (_test_ioctl_set_temp_memory_limit(self->fd, 32))  in TEST_FAIL_NTH()
437 	if (_test_ioctl_ioas_map(self->fd, ioas_id, buffer, 262144, &iova,  in TEST_FAIL_NTH()
444 	if (_test_cmd_create_access(self->fd, ioas_id, &self->access_id, 0))  in TEST_FAIL_NTH()
458 		if (ioctl(self->fd, _IOMMU_TEST_CMD(IOMMU_TEST_OP_ACCESS_RW),  in TEST_FAIL_NTH()
463 		if (ioctl(self->fd, _IOMMU_TEST_CMD(IOMMU_TEST_OP_ACCESS_RW),  in TEST_FAIL_NTH()
468 		if (ioctl(self->fd, _IOMMU_TEST_CMD(IOMMU_TEST_OP_ACCESS_RW),  in TEST_FAIL_NTH()
473 		if (ioctl(self->fd, _IOMMU_TEST_CMD(IOMMU_TEST_OP_ACCESS_RW),  in TEST_FAIL_NTH()
489 		if (ioctl(self->fd, _IOMMU_TEST_CMD(IOMMU_TEST_OP_ACCESS_RW),  in TEST_FAIL_NTH()
506 	self->fd = open("/dev/iommu", O_RDWR);  in TEST_FAIL_NTH()
507 	if (self->fd == -1)  in TEST_FAIL_NTH()
510 	if (_test_ioctl_ioas_alloc(self->fd, &ioas_id))  in TEST_FAIL_NTH()
513 	if (_test_ioctl_set_temp_memory_limit(self->fd, 32))  in TEST_FAIL_NTH()
516 	if (_test_ioctl_ioas_map(self->fd, ioas_id, buffer, BUFFER_SIZE, &iova,  in TEST_FAIL_NTH()
521 	if (_test_cmd_create_access(self->fd, ioas_id, &self->access_id,  in TEST_FAIL_NTH()
537 		if (ioctl(self->fd, _IOMMU_TEST_CMD(IOMMU_TEST_OP_ACCESS_RW),  in TEST_FAIL_NTH()
543 	if (_test_cmd_destroy_access_pages(self->fd, self->access_id,  in TEST_FAIL_NTH()
562 	self->fd = open("/dev/iommu", O_RDWR);  in TEST_FAIL_NTH()
563 	if (self->fd == -1)  in TEST_FAIL_NTH()
566 	if (_test_ioctl_ioas_alloc(self->fd, &ioas_id))  in TEST_FAIL_NTH()
569 	if (_test_ioctl_set_temp_memory_limit(self->fd, 32))  in TEST_FAIL_NTH()
572 	if (_test_cmd_mock_domain(self->fd, ioas_id, &stdev_id, &hwpt_id, NULL))  in TEST_FAIL_NTH()
575 	if (_test_ioctl_ioas_map(self->fd, ioas_id, buffer, BUFFER_SIZE, &iova,  in TEST_FAIL_NTH()
580 	if (_test_cmd_create_access(self->fd, ioas_id, &self->access_id,  in TEST_FAIL_NTH()
596 		if (ioctl(self->fd, _IOMMU_TEST_CMD(IOMMU_TEST_OP_ACCESS_RW),  in TEST_FAIL_NTH()
602 	if (_test_cmd_destroy_access_pages(self->fd, self->access_id,  in TEST_FAIL_NTH()
610 	if (_test_ioctl_destroy(self->fd, stdev_id))  in TEST_FAIL_NTH()
633 	self->fd = open("/dev/iommu", O_RDWR);  in TEST_FAIL_NTH()
634 	if (self->fd == -1)  in TEST_FAIL_NTH()
637 	if (_test_ioctl_ioas_alloc(self->fd, &ioas_id))  in TEST_FAIL_NTH()
640 	if (_test_ioctl_ioas_alloc(self->fd, &ioas_id2))  in TEST_FAIL_NTH()
644 	if (_test_ioctl_ioas_map(self->fd, ioas_id, buffer, PAGE_SIZE, &iova,  in TEST_FAIL_NTH()
649 	if (_test_ioctl_ioas_map(self->fd, ioas_id2, buffer, PAGE_SIZE, &iova,  in TEST_FAIL_NTH()
657 	if (_test_cmd_mock_domain(self->fd, ioas_id, &stdev_id, NULL,  in TEST_FAIL_NTH()
661 	if (_test_cmd_get_hw_info(self->fd, idev_id, &info, sizeof(info), NULL))  in TEST_FAIL_NTH()
664 	if (_test_cmd_hwpt_alloc(self->fd, idev_id, ioas_id, 0, 0, &hwpt_id,  in TEST_FAIL_NTH()
668 	if (_test_cmd_mock_domain_replace(self->fd, stdev_id, ioas_id2, NULL))  in TEST_FAIL_NTH()
671 	if (_test_cmd_mock_domain_replace(self->fd, stdev_id, hwpt_id, NULL))  in TEST_FAIL_NTH()
674 	if (_test_cmd_hwpt_alloc(self->fd, idev_id, ioas_id, 0,  in TEST_FAIL_NTH()
679 	if (_test_cmd_viommu_alloc(self->fd, idev_id, hwpt_id,  in TEST_FAIL_NTH()
683 	if (_test_cmd_vdevice_alloc(self->fd, viommu_id, idev_id, 0, &vdev_id))  in TEST_FAIL_NTH()
686 	if (_test_ioctl_fault_alloc(self->fd, &fault_id, &fault_fd))  in TEST_FAIL_NTH()
690 	if (_test_cmd_hwpt_alloc(self->fd, idev_id, hwpt_id, fault_id,  in TEST_FAIL_NTH()