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()
207 	int fd;  in FIXTURE()  local
213 	self->fd = -1;  in FIXTURE_SETUP()
222 		/* The access FD holds the iommufd open until it closes */  in FIXTURE_TEARDOWN()
226 	teardown_iommufd(self->fd, _metadata);  in FIXTURE_TEARDOWN()
238 	self->fd = open("/dev/iommu", O_RDWR);  in TEST_FAIL_NTH()
239 	if (self->fd == -1)  in TEST_FAIL_NTH()
242 	if (_test_ioctl_ioas_alloc(self->fd, &ioas_id))  in TEST_FAIL_NTH()
252 		if (ioctl(self->fd, IOMMU_IOAS_IOVA_RANGES, &ranges_cmd))  in TEST_FAIL_NTH()
266 		if (ioctl(self->fd, IOMMU_IOAS_ALLOW_IOVAS, &allow_cmd))  in TEST_FAIL_NTH()
270 	if (_test_ioctl_ioas_map(self->fd, ioas_id, buffer, BUFFER_SIZE, &iova,  in TEST_FAIL_NTH()
286 		if (ioctl(self->fd, IOMMU_IOAS_COPY, &copy_cmd))  in TEST_FAIL_NTH()
290 	if (_test_ioctl_ioas_unmap(self->fd, ioas_id, iova, BUFFER_SIZE,  in TEST_FAIL_NTH()
294 	_test_ioctl_ioas_unmap(self->fd, ioas_id, iova, BUFFER_SIZE, NULL);  in TEST_FAIL_NTH()
306 	self->fd = open("/dev/iommu", O_RDWR);  in TEST_FAIL_NTH()
307 	if (self->fd == -1)  in TEST_FAIL_NTH()
310 	if (_test_ioctl_ioas_alloc(self->fd, &ioas_id))  in TEST_FAIL_NTH()
313 	if (_test_ioctl_set_temp_memory_limit(self->fd, 32))  in TEST_FAIL_NTH()
318 	if (_test_cmd_mock_domain(self->fd, ioas_id, &stdev_id, &hwpt_id, NULL))  in TEST_FAIL_NTH()
321 	if (_test_ioctl_ioas_map(self->fd, ioas_id, buffer, 262144, &iova,  in TEST_FAIL_NTH()
326 	if (_test_ioctl_destroy(self->fd, stdev_id))  in TEST_FAIL_NTH()
329 	if (_test_cmd_mock_domain(self->fd, ioas_id, &stdev_id, &hwpt_id, NULL))  in TEST_FAIL_NTH()
343 	self->fd = open("/dev/iommu", O_RDWR);  in TEST_FAIL_NTH()
344 	if (self->fd == -1)  in TEST_FAIL_NTH()
347 	if (_test_ioctl_ioas_alloc(self->fd, &ioas_id))  in TEST_FAIL_NTH()
350 	if (_test_ioctl_set_temp_memory_limit(self->fd, 32))  in TEST_FAIL_NTH()
353 	if (_test_cmd_mock_domain(self->fd, ioas_id, &stdev_id, &hwpt_id, NULL))  in TEST_FAIL_NTH()
358 	if (_test_cmd_mock_domain(self->fd, ioas_id, &stdev_id2, &hwpt_id2,  in TEST_FAIL_NTH()
362 	if (_test_ioctl_ioas_map(self->fd, ioas_id, buffer, 262144, &iova,  in TEST_FAIL_NTH()
367 	if (_test_ioctl_destroy(self->fd, stdev_id))  in TEST_FAIL_NTH()
370 	if (_test_ioctl_destroy(self->fd, stdev_id2))  in TEST_FAIL_NTH()
373 	if (_test_cmd_mock_domain(self->fd, ioas_id, &stdev_id, &hwpt_id, NULL))  in TEST_FAIL_NTH()
375 	if (_test_cmd_mock_domain(self->fd, ioas_id, &stdev_id2, &hwpt_id2,  in TEST_FAIL_NTH()
388 	self->fd = open("/dev/iommu", O_RDWR);  in TEST_FAIL_NTH()
389 	if (self->fd == -1)  in TEST_FAIL_NTH()
392 	if (_test_ioctl_ioas_alloc(self->fd, &ioas_id))  in TEST_FAIL_NTH()
395 	if (_test_ioctl_set_temp_memory_limit(self->fd, 32))  in TEST_FAIL_NTH()
398 	if (_test_ioctl_ioas_map(self->fd, ioas_id, buffer, 262144, &iova,  in TEST_FAIL_NTH()
405 	if (_test_cmd_create_access(self->fd, ioas_id, &self->access_id, 0))  in TEST_FAIL_NTH()
419 		if (ioctl(self->fd, _IOMMU_TEST_CMD(IOMMU_TEST_OP_ACCESS_RW),  in TEST_FAIL_NTH()
424 		if (ioctl(self->fd, _IOMMU_TEST_CMD(IOMMU_TEST_OP_ACCESS_RW),  in TEST_FAIL_NTH()
429 		if (ioctl(self->fd, _IOMMU_TEST_CMD(IOMMU_TEST_OP_ACCESS_RW),  in TEST_FAIL_NTH()
434 		if (ioctl(self->fd, _IOMMU_TEST_CMD(IOMMU_TEST_OP_ACCESS_RW),  in TEST_FAIL_NTH()
450 		if (ioctl(self->fd, _IOMMU_TEST_CMD(IOMMU_TEST_OP_ACCESS_RW),  in TEST_FAIL_NTH()
467 	self->fd = open("/dev/iommu", O_RDWR);  in TEST_FAIL_NTH()
468 	if (self->fd == -1)  in TEST_FAIL_NTH()
471 	if (_test_ioctl_ioas_alloc(self->fd, &ioas_id))  in TEST_FAIL_NTH()
474 	if (_test_ioctl_set_temp_memory_limit(self->fd, 32))  in TEST_FAIL_NTH()
477 	if (_test_ioctl_ioas_map(self->fd, ioas_id, buffer, BUFFER_SIZE, &iova,  in TEST_FAIL_NTH()
482 	if (_test_cmd_create_access(self->fd, ioas_id, &self->access_id,  in TEST_FAIL_NTH()
498 		if (ioctl(self->fd, _IOMMU_TEST_CMD(IOMMU_TEST_OP_ACCESS_RW),  in TEST_FAIL_NTH()
504 	if (_test_cmd_destroy_access_pages(self->fd, self->access_id,  in TEST_FAIL_NTH()
523 	self->fd = open("/dev/iommu", O_RDWR);  in TEST_FAIL_NTH()
524 	if (self->fd == -1)  in TEST_FAIL_NTH()
527 	if (_test_ioctl_ioas_alloc(self->fd, &ioas_id))  in TEST_FAIL_NTH()
530 	if (_test_ioctl_set_temp_memory_limit(self->fd, 32))  in TEST_FAIL_NTH()
533 	if (_test_cmd_mock_domain(self->fd, ioas_id, &stdev_id, &hwpt_id, NULL))  in TEST_FAIL_NTH()
536 	if (_test_ioctl_ioas_map(self->fd, ioas_id, buffer, BUFFER_SIZE, &iova,  in TEST_FAIL_NTH()
541 	if (_test_cmd_create_access(self->fd, ioas_id, &self->access_id,  in TEST_FAIL_NTH()
557 		if (ioctl(self->fd, _IOMMU_TEST_CMD(IOMMU_TEST_OP_ACCESS_RW),  in TEST_FAIL_NTH()
563 	if (_test_cmd_destroy_access_pages(self->fd, self->access_id,  in TEST_FAIL_NTH()
571 	if (_test_ioctl_destroy(self->fd, stdev_id))  in TEST_FAIL_NTH()
587 	self->fd = open("/dev/iommu", O_RDWR);  in TEST_FAIL_NTH()
588 	if (self->fd == -1)  in TEST_FAIL_NTH()
591 	if (_test_ioctl_ioas_alloc(self->fd, &ioas_id))  in TEST_FAIL_NTH()
594 	if (_test_ioctl_ioas_alloc(self->fd, &ioas_id2))  in TEST_FAIL_NTH()
598 	if (_test_ioctl_ioas_map(self->fd, ioas_id, buffer, PAGE_SIZE, &iova,  in TEST_FAIL_NTH()
603 	if (_test_ioctl_ioas_map(self->fd, ioas_id2, buffer, PAGE_SIZE, &iova,  in TEST_FAIL_NTH()
611 	if (_test_cmd_mock_domain(self->fd, ioas_id, &stdev_id, NULL,  in TEST_FAIL_NTH()
615 	if (_test_cmd_get_hw_info(self->fd, idev_id, &info, sizeof(info), NULL))  in TEST_FAIL_NTH()
618 	if (_test_cmd_hwpt_alloc(self->fd, idev_id, ioas_id, 0, 0, &hwpt_id,  in TEST_FAIL_NTH()
622 	if (_test_cmd_mock_domain_replace(self->fd, stdev_id, ioas_id2, NULL))  in TEST_FAIL_NTH()
625 	if (_test_cmd_mock_domain_replace(self->fd, stdev_id, hwpt_id, NULL))  in TEST_FAIL_NTH()