292 static void dasd_eer_write_standard_trigger(struct dasd_device *device,  in dasd_eer_write_standard_trigger()  argument
315 	strncpy(header.busid, dev_name(&device->cdev->dev),  in dasd_eer_write_standard_trigger()
336 static void dasd_eer_write_snss_trigger(struct dasd_device *device,  in dasd_eer_write_snss_trigger()  argument
358 	strncpy(header.busid, dev_name(&device->cdev->dev),  in dasd_eer_write_snss_trigger()
377 void dasd_eer_write(struct dasd_device *device, struct dasd_ccw_req *cqr,  in dasd_eer_write()  argument
380 	if (!device->eer_cqr)  in dasd_eer_write()
385 		dasd_eer_write_standard_trigger(device, cqr, id);  in dasd_eer_write()
388 		dasd_eer_write_standard_trigger(device, NULL, id);  in dasd_eer_write()
391 		dasd_eer_write_snss_trigger(device, cqr, id);  in dasd_eer_write()
394 		dasd_eer_write_standard_trigger(device, NULL, id);  in dasd_eer_write()
404 void dasd_eer_snss(struct dasd_device *device)  in dasd_eer_snss()  argument
408 	cqr = device->eer_cqr;  in dasd_eer_snss()
411 	if (test_and_set_bit(DASD_FLAG_EER_IN_USE, &device->flags)) {  in dasd_eer_snss()
413 		set_bit(DASD_FLAG_EER_SNSS, &device->flags);  in dasd_eer_snss()
417 	clear_bit(DASD_FLAG_EER_SNSS, &device->flags);  in dasd_eer_snss()
419 	list_add(&cqr->devlist, &device->ccw_queue);  in dasd_eer_snss()
420 	dasd_schedule_device_bh(device);  in dasd_eer_snss()
428 	struct dasd_device *device = cqr->startdev;  in dasd_eer_snss_cb()  local
431 	dasd_eer_write(device, cqr, DASD_EER_STATECHANGE);  in dasd_eer_snss_cb()
432 	spin_lock_irqsave(get_ccwdev_lock(device->cdev), flags);  in dasd_eer_snss_cb()
433 	if (device->eer_cqr == cqr) {  in dasd_eer_snss_cb()
434 		clear_bit(DASD_FLAG_EER_IN_USE, &device->flags);  in dasd_eer_snss_cb()
435 		if (test_bit(DASD_FLAG_EER_SNSS, &device->flags))  in dasd_eer_snss_cb()
437 			dasd_eer_snss(device);  in dasd_eer_snss_cb()
440 	spin_unlock_irqrestore(get_ccwdev_lock(device->cdev), flags);  in dasd_eer_snss_cb()
449 		dasd_kfree_request(cqr, device);  in dasd_eer_snss_cb()
455 int dasd_eer_enable(struct dasd_device *device)  in dasd_eer_enable()  argument
461 	if (device->eer_cqr)  in dasd_eer_enable()
464 	if (!device->discipline || strcmp(device->discipline->name, "ECKD"))  in dasd_eer_enable()
468 				   SNSS_DATA_SIZE, device);  in dasd_eer_enable()
472 	cqr->startdev = device;  in dasd_eer_enable()
488 	spin_lock_irqsave(get_ccwdev_lock(device->cdev), flags);  in dasd_eer_enable()
489 	if (!device->eer_cqr) {  in dasd_eer_enable()
490 		device->eer_cqr = cqr;  in dasd_eer_enable()
493 	spin_unlock_irqrestore(get_ccwdev_lock(device->cdev), flags);  in dasd_eer_enable()
495 		dasd_kfree_request(cqr, device);  in dasd_eer_enable()
502 void dasd_eer_disable(struct dasd_device *device)  in dasd_eer_disable()  argument
508 	if (!device->eer_cqr)  in dasd_eer_disable()
510 	spin_lock_irqsave(get_ccwdev_lock(device->cdev), flags);  in dasd_eer_disable()
511 	cqr = device->eer_cqr;  in dasd_eer_disable()
512 	device->eer_cqr = NULL;  in dasd_eer_disable()
513 	clear_bit(DASD_FLAG_EER_SNSS, &device->flags);  in dasd_eer_disable()
514 	in_use = test_and_clear_bit(DASD_FLAG_EER_IN_USE, &device->flags);  in dasd_eer_disable()
515 	spin_unlock_irqrestore(get_ccwdev_lock(device->cdev), flags);  in dasd_eer_disable()
517 		dasd_kfree_request(cqr, device);  in dasd_eer_disable()