354 			     struct hisi_acc_vf_migration_file *migf)  in vf_qm_check_match()  argument
356 	struct acc_vf_data *vf_data = &migf->vf_data;  in vf_qm_check_match()
363 	if (migf->total_length < QM_MATCH_SIZE)  in vf_qm_check_match()
444 			   struct hisi_acc_vf_migration_file *migf)  in vf_qm_load_data()  argument
448 	struct acc_vf_data *vf_data = &migf->vf_data;  in vf_qm_load_data()
452 	if (migf->total_length == QM_MATCH_SIZE)  in vf_qm_load_data()
455 	if (migf->total_length < sizeof(struct acc_vf_data))  in vf_qm_load_data()
489 			    struct hisi_acc_vf_migration_file *migf)  in vf_qm_state_save()  argument
491 	struct acc_vf_data *vf_data = &migf->vf_data;  in vf_qm_state_save()
504 		migf->total_length = QM_MATCH_SIZE;  in vf_qm_state_save()
542 	migf->total_length = sizeof(struct acc_vf_data);  in vf_qm_state_save()
612 static void hisi_acc_vf_disable_fd(struct hisi_acc_vf_migration_file *migf)  in hisi_acc_vf_disable_fd()  argument
614 	mutex_lock(&migf->lock);  in hisi_acc_vf_disable_fd()
615 	migf->disabled = true;  in hisi_acc_vf_disable_fd()
616 	migf->total_length = 0;  in hisi_acc_vf_disable_fd()
617 	migf->filp->f_pos = 0;  in hisi_acc_vf_disable_fd()
618 	mutex_unlock(&migf->lock);  in hisi_acc_vf_disable_fd()
673 	struct hisi_acc_vf_migration_file *migf = hisi_acc_vdev->resuming_migf;  in hisi_acc_vf_load_state()  local
677 	ret = vf_qm_check_match(hisi_acc_vdev, migf);  in hisi_acc_vf_load_state()
683 	ret = vf_qm_load_data(hisi_acc_vdev, migf);  in hisi_acc_vf_load_state()
694 	struct hisi_acc_vf_migration_file *migf = filp->private_data;  in hisi_acc_vf_release_file()  local
696 	hisi_acc_vf_disable_fd(migf);  in hisi_acc_vf_release_file()
697 	mutex_destroy(&migf->lock);  in hisi_acc_vf_release_file()
698 	kfree(migf);  in hisi_acc_vf_release_file()
705 	struct hisi_acc_vf_migration_file *migf = filp->private_data;  in hisi_acc_vf_resume_write()  local
721 	mutex_lock(&migf->lock);  in hisi_acc_vf_resume_write()
722 	if (migf->disabled) {  in hisi_acc_vf_resume_write()
727 	ret = copy_from_user(&migf->vf_data, buf, len);  in hisi_acc_vf_resume_write()
734 	migf->total_length += len;  in hisi_acc_vf_resume_write()
736 	mutex_unlock(&migf->lock);  in hisi_acc_vf_resume_write()
750 	struct hisi_acc_vf_migration_file *migf;  in hisi_acc_vf_pci_resume()  local
752 	migf = kzalloc(sizeof(*migf), GFP_KERNEL);  in hisi_acc_vf_pci_resume()
753 	if (!migf)  in hisi_acc_vf_pci_resume()
756 	migf->filp = anon_inode_getfile("hisi_acc_vf_mig", &hisi_acc_vf_resume_fops, migf,  in hisi_acc_vf_pci_resume()
758 	if (IS_ERR(migf->filp)) {  in hisi_acc_vf_pci_resume()
759 		int err = PTR_ERR(migf->filp);  in hisi_acc_vf_pci_resume()
761 		kfree(migf);  in hisi_acc_vf_pci_resume()
765 	stream_open(migf->filp->f_inode, migf->filp);  in hisi_acc_vf_pci_resume()
766 	mutex_init(&migf->lock);  in hisi_acc_vf_pci_resume()
767 	return migf;  in hisi_acc_vf_pci_resume()
773 	struct hisi_acc_vf_migration_file *migf = filp->private_data;  in hisi_acc_vf_save_read()  local
781 	mutex_lock(&migf->lock);  in hisi_acc_vf_save_read()
782 	if (*pos > migf->total_length) {  in hisi_acc_vf_save_read()
787 	if (migf->disabled) {  in hisi_acc_vf_save_read()
792 	len = min_t(size_t, migf->total_length - *pos, len);  in hisi_acc_vf_save_read()
794 		ret = copy_to_user(buf, &migf->vf_data, len);  in hisi_acc_vf_save_read()
803 	mutex_unlock(&migf->lock);  in hisi_acc_vf_save_read()
817 	struct hisi_acc_vf_migration_file *migf;  in hisi_acc_vf_stop_copy()  local
820 	migf = kzalloc(sizeof(*migf), GFP_KERNEL);  in hisi_acc_vf_stop_copy()
821 	if (!migf)  in hisi_acc_vf_stop_copy()
824 	migf->filp = anon_inode_getfile("hisi_acc_vf_mig", &hisi_acc_vf_save_fops, migf,  in hisi_acc_vf_stop_copy()
826 	if (IS_ERR(migf->filp)) {  in hisi_acc_vf_stop_copy()
827 		int err = PTR_ERR(migf->filp);  in hisi_acc_vf_stop_copy()
829 		kfree(migf);  in hisi_acc_vf_stop_copy()
833 	stream_open(migf->filp->f_inode, migf->filp);  in hisi_acc_vf_stop_copy()
834 	mutex_init(&migf->lock);  in hisi_acc_vf_stop_copy()
836 	ret = vf_qm_state_save(hisi_acc_vdev, migf);  in hisi_acc_vf_stop_copy()
838 		fput(migf->filp);  in hisi_acc_vf_stop_copy()
842 	return migf;  in hisi_acc_vf_stop_copy()
880 		struct hisi_acc_vf_migration_file *migf;  in hisi_acc_vf_set_device_state()  local
882 		migf = hisi_acc_vf_stop_copy(hisi_acc_vdev);  in hisi_acc_vf_set_device_state()
883 		if (IS_ERR(migf))  in hisi_acc_vf_set_device_state()
884 			return ERR_CAST(migf);  in hisi_acc_vf_set_device_state()
885 		get_file(migf->filp);  in hisi_acc_vf_set_device_state()
886 		hisi_acc_vdev->saving_migf = migf;  in hisi_acc_vf_set_device_state()
887 		return migf->filp;  in hisi_acc_vf_set_device_state()
896 		struct hisi_acc_vf_migration_file *migf;  in hisi_acc_vf_set_device_state()  local
898 		migf = hisi_acc_vf_pci_resume(hisi_acc_vdev);  in hisi_acc_vf_set_device_state()
899 		if (IS_ERR(migf))  in hisi_acc_vf_set_device_state()
900 			return ERR_CAST(migf);  in hisi_acc_vf_set_device_state()
901 		get_file(migf->filp);  in hisi_acc_vf_set_device_state()
902 		hisi_acc_vdev->resuming_migf = migf;  in hisi_acc_vf_set_device_state()
903 		return migf->filp;  in hisi_acc_vf_set_device_state()