s390/cio/vfio_ccw_fsm.c

21 	struct subchannel *sch = to_subchannel(private->vdev.dev->parent);
28 	spin_lock_irqsave(&sch->lock, flags);
30 	orb = cp_get_orb(&private->cp, sch);
37 	VFIO_CCW_TRACE_EVENT(5, dev_name(&sch->dev));
40 	ccode = ssch(sch->schid, orb);
49 		sch->schib.scsw.cmd.actl |= SCSW_ACTL_START_PEND;
61 			sch->lpm &= ~lpm;
63 			sch->lpm = 0;
65 		if (cio_update_schib(sch))
68 			ret = sch->lpm ? -EACCES : -ENODEV;
75 	spin_unlock_irqrestore(&sch->lock, flags);
81 	struct subchannel *sch = to_subchannel(private->vdev.dev->parent);
86 	spin_lock_irqsave(&sch->lock, flags);
89 	VFIO_CCW_TRACE_EVENT(2, dev_name(&sch->dev));
92 	ccode = hsch(sch->schid);
101 		sch->schib.scsw.cmd.actl |= SCSW_ACTL_HALT_PEND;
114 	spin_unlock_irqrestore(&sch->lock, flags);
120 	struct subchannel *sch = to_subchannel(private->vdev.dev->parent);
125 	spin_lock_irqsave(&sch->lock, flags);
128 	VFIO_CCW_TRACE_EVENT(2, dev_name(&sch->dev));
131 	ccode = csch(sch->schid);
140 		sch->schib.scsw.cmd.actl = SCSW_ACTL_CLEAR_PEND;
150 	spin_unlock_irqrestore(&sch->lock, flags);
157 	struct subchannel *sch = to_subchannel(private->vdev.dev->parent);
159 	VFIO_CCW_MSG_EVENT(2, "sch %x.%x.%04x: notoper event %x state %x\n",
160 			   sch->schid.cssid,
161 			   sch->schid.ssid,
162 			   sch->schid.sch_no,
170 	css_sched_sch_todo(sch, SCH_TODO_UNREG);
225 	struct subchannel *sch = to_subchannel(private->vdev.dev->parent);
231 	cio_disable_subchannel(sch);
235 	struct subchannel *sch = to_subchannel(p->vdev.dev->parent);
237 	return sch->schid;
262 					   "sch %x.%x.%04x: transport mode\n",
271 					   "sch %x.%x.%04x: cp_init=%d\n",
282 					   "sch %x.%x.%04x: cp_prefetch=%d\n",
295 					   "sch %x.%x.%04x: fsm_io_helper=%d\n",
306 				   "sch %x.%x.%04x: halt on io_region\n",
314 				   "sch %x.%x.%04x: clear on io_region\n",
359 	struct subchannel *sch = to_subchannel(private->vdev.dev->parent);
363 	VFIO_CCW_TRACE_EVENT(6, dev_name(&sch->dev));
376 	struct subchannel *sch = to_subchannel(private->vdev.dev->parent);
379 	spin_lock_irq(&sch->lock);
380 	sch->isc = VFIO_CCW_ISC;
381 	ret = cio_enable_subchannel(sch, (u32)virt_to_phys(sch));
386 	spin_unlock_irq(&sch->lock);
390 	spin_unlock_irq(&sch->lock);
397 	struct subchannel *sch = to_subchannel(private->vdev.dev->parent);
400 	spin_lock_irq(&sch->lock);
402 	if (!sch->schib.pmcw.ena)
405 	ret = cio_disable_subchannel(sch);
407 		ret = vfio_ccw_sch_quiesce(sch);
412 	spin_unlock_irq(&sch->lock);
417 	spin_unlock_irq(&sch->lock);