s390/cio/device_fsm.c

340 	memset(&cdev->private->dma_area->irb, 0, sizeof(struct irb));
454 static void create_fake_irb(struct irb *irb, int type)
456 	memset(irb, 0, sizeof(*irb));
458 		struct cmd_scsw *scsw = &irb->scsw.cmd;
464 		struct tm_scsw *scsw = &irb->scsw.tm;
505 		/* Deliver fake irb to device driver, if needed. */
512 			create_fake_irb(&cdev->private->dma_area->irb,
517 					      &cdev->private->dma_area->irb);
518 			memset(&cdev->private->dma_area->irb, 0,
519 			       sizeof(struct irb));
676 	    (scsw_stctl(&cdev->private->dma_area->irb.scsw) &
724 	stctl = scsw_stctl(&cdev->private->dma_area->irb.scsw);
740 			      &cdev->private->dma_area->irb);
742 	memset(&cdev->private->dma_area->irb, 0, sizeof(struct irb));
752 	struct irb *irb;
755 	irb = this_cpu_ptr(&cio_irb);
756 	is_cmd = !scsw_is_tm(&irb->scsw);
758 	if (!scsw_is_solicited(&irb->scsw)) {
759 		if (is_cmd && (irb->scsw.cmd.dstat & DEV_STAT_UNIT_CHECK) &&
760 		    !irb->esw.esw0.erw.cons) {
762 			if (ccw_device_do_sense(cdev, irb) != 0)
764 			memcpy(&cdev->private->dma_area->irb, irb,
765 			       sizeof(struct irb));
772 			cdev->handler (cdev, 0, irb);
778 	ccw_device_accumulate_irb(cdev, irb);
780 		if (ccw_device_do_sense(cdev, irb) == 0) {
821 	struct irb *irb;
823 	irb = this_cpu_ptr(&cio_irb);
825 	if (scsw_stctl(&irb->scsw) ==
827 		if (scsw_cc(&irb->scsw) == 1)
829 			ccw_device_do_sense(cdev, irb);
836 				cdev->handler (cdev, 0, irb);
845 	if (scsw_fctl(&irb->scsw) &
848 		memset(&cdev->private->dma_area->irb, 0, sizeof(struct irb));
849 		ccw_device_accumulate_irb(cdev, irb);
852 	/* Add basic sense info to irb. */
853 	ccw_device_accumulate_basic_sense(cdev, irb);
856 		ccw_device_do_sense(cdev, irb);