iommu/iommufd/device.c

166 	int rc;
188 			rc = -EPERM;
199 	rc = iommu_device_claim_dma_owner(dev, ictx);
200 	if (rc)
205 		rc = PTR_ERR(idev);
233 	return ERR_PTR(rc);
299 	int rc;
315 		rc = iommu_get_msi_cookie(hwpt_paging->common.domain,
317 		if (rc)
318 			return rc;
332 	int rc;
336 	rc = iopt_table_enforce_dev_resv_regions(&hwpt_paging->ioas->iopt,
339 	if (rc)
340 		return rc;
343 		rc = iommufd_group_setup_msi(idev->igroup, hwpt_paging);
344 		if (rc) {
347 			return rc;
356 	int rc;
361 		rc = -EINVAL;
366 		rc = iommufd_hwpt_paging_attach(to_hwpt_paging(hwpt), idev);
367 		if (rc)
379 		rc = iommu_attach_group(hwpt->domain, idev->igroup->group);
380 		if (rc)
394 	return rc;
421 	int rc;
423 	rc = iommufd_hw_pagetable_attach(hwpt, idev);
424 	if (rc)
425 		return ERR_PTR(rc);
447 	int rc;
454 			rc = iopt_table_enforce_dev_resv_regions(
456 			if (rc)
461 	rc = iommufd_group_setup_msi(igroup, hwpt_paging);
462 	if (rc)
468 	return rc;
478 	int rc;
483 		rc = -EINVAL;
494 		rc = iommufd_group_do_replace_paging(igroup,
496 		if (rc)
500 	rc = iommu_group_replace_domain(igroup->group, hwpt->domain);
501 	if (rc)
531 	return ERR_PTR(rc);
681 	int rc;
683 	rc = iommufd_device_change_pt(idev, pt_id, &iommufd_device_do_attach);
684 	if (rc)
685 		return rc;
745 	int rc;
763 		rc = iopt_add_access(&new_ioas->iopt, access);
764 		if (rc) {
766 			return rc;
790 	int rc;
794 	rc = iommufd_access_change_ioas(access, ioas);
796 	return rc;
883 	int rc;
891 	rc = iommufd_access_change_ioas_id(access, ioas_id);
893 	return rc;
899 	int rc;
906 	rc = iommufd_access_change_ioas_id(access, ioas_id);
908 	return rc;
1041 	int rc;
1069 			rc = -EINVAL;
1074 			rc = -EPERM;
1078 		rc = iopt_area_add_access(area, index, last_index, out_pages,
1080 		if (rc)
1085 		rc = -ENOENT;
1106 	return rc;
1129 	int rc;
1149 			rc = -EINVAL;
1154 			rc = -EPERM;
1158 		rc = iopt_pages_rw_access(
1161 		if (rc)
1166 		rc = -ENOENT;
1170 	return rc;
1183 	int rc;
1196 			rc = PTR_ERR(data);
1206 			rc = -ENODEV;
1217 		rc = -EFAULT;
1227 			rc = -EFAULT;
1242 	rc = iommufd_ucmd_respond(ucmd, sizeof(*cmd));
1247 	return rc;