82 static void qat_vf_disable_fd(struct qat_vf_migration_file *migf)  in qat_vf_disable_fd()  argument
84 	mutex_lock(&migf->lock);  in qat_vf_disable_fd()
85 	migf->disabled = true;  in qat_vf_disable_fd()
86 	migf->filp->f_pos = 0;  in qat_vf_disable_fd()
87 	migf->filled_size = 0;  in qat_vf_disable_fd()
88 	mutex_unlock(&migf->lock);  in qat_vf_disable_fd()
119 	struct qat_vf_migration_file *migf = filp->private_data;  in qat_vf_precopy_ioctl()  local
120 	struct qat_vf_core_device *qat_vdev = migf->qat_vdev;  in qat_vf_precopy_ioctl()
144 	mutex_lock(&migf->lock);  in qat_vf_precopy_ioctl()
145 	if (migf->disabled) {  in qat_vf_precopy_ioctl()
159 	mutex_unlock(&migf->lock);  in qat_vf_precopy_ioctl()
169 	struct qat_vf_migration_file *migf = filp->private_data;  in qat_vf_save_read()  local
170 	struct qat_mig_dev *mig_dev = migf->qat_vdev->mdev;  in qat_vf_save_read()
179 	mutex_lock(&migf->lock);  in qat_vf_save_read()
180 	if (*offs > migf->filled_size || *offs < 0) {  in qat_vf_save_read()
185 	if (migf->disabled) {  in qat_vf_save_read()
190 	len = min_t(size_t, migf->filled_size - *offs, len);  in qat_vf_save_read()
202 	mutex_unlock(&migf->lock);  in qat_vf_save_read()
208 	struct qat_vf_migration_file *migf = filp->private_data;  in qat_vf_release_file()  local
210 	qat_vf_disable_fd(migf);  in qat_vf_release_file()
211 	mutex_destroy(&migf->lock);  in qat_vf_release_file()
212 	kfree(migf);  in qat_vf_release_file()
226 			     struct qat_vf_migration_file *migf)  in qat_vf_save_state()  argument
233 	migf->filled_size = qat_vdev->mdev->state_size;  in qat_vf_save_state()
239 			     struct qat_vf_migration_file *migf)  in qat_vf_save_setup()  argument
246 	migf->filled_size = qat_vdev->mdev->setup_size;  in qat_vf_save_setup()
261 	struct qat_vf_migration_file *migf;  in qat_vf_save_device_data()  local
264 	migf = kzalloc(sizeof(*migf), GFP_KERNEL);  in qat_vf_save_device_data()
265 	if (!migf)  in qat_vf_save_device_data()
268 	migf->filp = anon_inode_getfile("qat_vf_mig", &qat_vf_save_fops,  in qat_vf_save_device_data()
269 					migf, O_RDONLY);  in qat_vf_save_device_data()
270 	ret = PTR_ERR_OR_ZERO(migf->filp);  in qat_vf_save_device_data()
272 		kfree(migf);  in qat_vf_save_device_data()
276 	stream_open(migf->filp->f_inode, migf->filp);  in qat_vf_save_device_data()
277 	mutex_init(&migf->lock);  in qat_vf_save_device_data()
280 		ret = qat_vf_save_setup(qat_vdev, migf);  in qat_vf_save_device_data()
282 		ret = qat_vf_save_state(qat_vdev, migf);  in qat_vf_save_device_data()
284 		fput(migf->filp);  in qat_vf_save_device_data()
288 	migf->qat_vdev = qat_vdev;  in qat_vf_save_device_data()
290 	return migf;  in qat_vf_save_device_data()
296 	struct qat_vf_migration_file *migf = filp->private_data;  in qat_vf_resume_write()  local
297 	struct qat_mig_dev *mig_dev = migf->qat_vdev->mdev;  in qat_vf_resume_write()
313 	mutex_lock(&migf->lock);  in qat_vf_resume_write()
314 	if (migf->disabled) {  in qat_vf_resume_write()
325 	migf->filled_size += len;  in qat_vf_resume_write()
331 	ret = qat_vfmig_load_setup(mig_dev, migf->filled_size);  in qat_vf_resume_write()
339 	mutex_unlock(&migf->lock);  in qat_vf_resume_write()
352 	struct qat_vf_migration_file *migf;  in qat_vf_resume_device_data()  local
355 	migf = kzalloc(sizeof(*migf), GFP_KERNEL);  in qat_vf_resume_device_data()
356 	if (!migf)  in qat_vf_resume_device_data()
359 	migf->filp = anon_inode_getfile("qat_vf_mig", &qat_vf_resume_fops, migf, O_WRONLY);  in qat_vf_resume_device_data()
360 	ret = PTR_ERR_OR_ZERO(migf->filp);  in qat_vf_resume_device_data()
362 		kfree(migf);  in qat_vf_resume_device_data()
366 	migf->qat_vdev = qat_vdev;  in qat_vf_resume_device_data()
367 	migf->filled_size = 0;  in qat_vf_resume_device_data()
368 	stream_open(migf->filp->f_inode, migf->filp);  in qat_vf_resume_device_data()
369 	mutex_init(&migf->lock);  in qat_vf_resume_device_data()
371 	return migf;  in qat_vf_resume_device_data()
412 		struct qat_vf_migration_file *migf;  in qat_vf_pci_step_device_state()  local
414 		migf = qat_vf_save_device_data(qat_vdev, false);  in qat_vf_pci_step_device_state()
415 		if (IS_ERR(migf))  in qat_vf_pci_step_device_state()
416 			return ERR_CAST(migf);  in qat_vf_pci_step_device_state()
417 		get_file(migf->filp);  in qat_vf_pci_step_device_state()
418 		qat_vdev->saving_migf = migf;  in qat_vf_pci_step_device_state()
419 		return migf->filp;  in qat_vf_pci_step_device_state()
423 		struct qat_vf_migration_file *migf;  in qat_vf_pci_step_device_state()  local
425 		migf = qat_vf_resume_device_data(qat_vdev);  in qat_vf_pci_step_device_state()
426 		if (IS_ERR(migf))  in qat_vf_pci_step_device_state()
427 			return ERR_CAST(migf);  in qat_vf_pci_step_device_state()
428 		get_file(migf->filp);  in qat_vf_pci_step_device_state()
429 		qat_vdev->resuming_migf = migf;  in qat_vf_pci_step_device_state()
430 		return migf->filp;  in qat_vf_pci_step_device_state()
442 		struct qat_vf_migration_file *migf;  in qat_vf_pci_step_device_state()  local
444 		migf = qat_vf_save_device_data(qat_vdev, true);  in qat_vf_pci_step_device_state()
445 		if (IS_ERR(migf))  in qat_vf_pci_step_device_state()
446 			return ERR_CAST(migf);  in qat_vf_pci_step_device_state()
447 		get_file(migf->filp);  in qat_vf_pci_step_device_state()
448 		qat_vdev->saving_migf = migf;  in qat_vf_pci_step_device_state()
449 		return migf->filp;  in qat_vf_pci_step_device_state()
453 		struct qat_vf_migration_file *migf = qat_vdev->saving_migf;  in qat_vf_pci_step_device_state()  local
455 		if (!migf)  in qat_vf_pci_step_device_state()
457 		ret = qat_vf_save_state(qat_vdev, migf);  in qat_vf_pci_step_device_state()