64 static int eadm_subchannel_start(struct subchannel *sch, struct aob *aob)  in eadm_subchannel_start()  argument
66 	union orb *orb = &get_eadm_private(sch)->orb;  in eadm_subchannel_start()
71 	orb->eadm.intparm = (u32)(addr_t)sch;  in eadm_subchannel_start()
75 	EADM_LOG_HEX(6, &sch->schid, sizeof(sch->schid));  in eadm_subchannel_start()
77 	cc = ssch(sch->schid, orb);  in eadm_subchannel_start()
80 		sch->schib.scsw.eadm.actl |= SCSW_ACTL_START_PEND;  in eadm_subchannel_start()
91 static int eadm_subchannel_clear(struct subchannel *sch)  in eadm_subchannel_clear()  argument
95 	cc = csch(sch->schid);  in eadm_subchannel_clear()
99 	sch->schib.scsw.eadm.actl |= SCSW_ACTL_CLEAR_PEND;  in eadm_subchannel_clear()
105 	struct subchannel *sch = (struct subchannel *) data;  in eadm_subchannel_timeout()  local
107 	spin_lock_irq(sch->lock);  in eadm_subchannel_timeout()
109 	EADM_LOG_HEX(1, &sch->schid, sizeof(sch->schid));  in eadm_subchannel_timeout()
110 	if (eadm_subchannel_clear(sch))  in eadm_subchannel_timeout()
112 	spin_unlock_irq(sch->lock);  in eadm_subchannel_timeout()
115 static void eadm_subchannel_set_timeout(struct subchannel *sch, int expires)  in eadm_subchannel_set_timeout()  argument
117 	struct eadm_private *private = get_eadm_private(sch);  in eadm_subchannel_set_timeout()
128 	private->timer.data = (unsigned long) sch;  in eadm_subchannel_set_timeout()
133 static void eadm_subchannel_irq(struct subchannel *sch)  in eadm_subchannel_irq()  argument
135 	struct eadm_private *private = get_eadm_private(sch);  in eadm_subchannel_irq()
136 	struct eadm_scsw *scsw = &sch->schib.scsw.eadm;  in eadm_subchannel_irq()
152 	eadm_subchannel_set_timeout(sch, 0);  in eadm_subchannel_irq()
158 		css_sched_sch_todo(sch, SCH_TODO_EVAL);  in eadm_subchannel_irq()
171 	struct subchannel *sch;  in eadm_get_idle_sch()  local
176 		sch = private->sch;  in eadm_get_idle_sch()
177 		spin_lock(sch->lock);  in eadm_get_idle_sch()
181 			spin_unlock(sch->lock);  in eadm_get_idle_sch()
184 			return sch;  in eadm_get_idle_sch()
186 		spin_unlock(sch->lock);  in eadm_get_idle_sch()
196 	struct subchannel *sch;  in eadm_start_aob()  local
200 	sch = eadm_get_idle_sch();  in eadm_start_aob()
201 	if (!sch)  in eadm_start_aob()
204 	spin_lock_irqsave(sch->lock, flags);  in eadm_start_aob()
205 	eadm_subchannel_set_timeout(sch, EADM_TIMEOUT);  in eadm_start_aob()
206 	ret = eadm_subchannel_start(sch, aob);  in eadm_start_aob()
211 	eadm_subchannel_set_timeout(sch, 0);  in eadm_start_aob()
212 	private = get_eadm_private(sch);  in eadm_start_aob()
214 	css_sched_sch_todo(sch, SCH_TODO_EVAL);  in eadm_start_aob()
217 	spin_unlock_irqrestore(sch->lock, flags);  in eadm_start_aob()
223 static int eadm_subchannel_probe(struct subchannel *sch)  in eadm_subchannel_probe()  argument
235 	spin_lock_irq(sch->lock);  in eadm_subchannel_probe()
236 	set_eadm_private(sch, private);  in eadm_subchannel_probe()
238 	private->sch = sch;  in eadm_subchannel_probe()
239 	sch->isc = EADM_SCH_ISC;  in eadm_subchannel_probe()
240 	ret = cio_enable_subchannel(sch, (u32)(unsigned long)sch);  in eadm_subchannel_probe()
242 		set_eadm_private(sch, NULL);  in eadm_subchannel_probe()
243 		spin_unlock_irq(sch->lock);  in eadm_subchannel_probe()
247 	spin_unlock_irq(sch->lock);  in eadm_subchannel_probe()
253 	if (dev_get_uevent_suppress(&sch->dev)) {  in eadm_subchannel_probe()
254 		dev_set_uevent_suppress(&sch->dev, 0);  in eadm_subchannel_probe()
255 		kobject_uevent(&sch->dev.kobj, KOBJ_ADD);  in eadm_subchannel_probe()
261 static void eadm_quiesce(struct subchannel *sch)  in eadm_quiesce()  argument
263 	struct eadm_private *private = get_eadm_private(sch);  in eadm_quiesce()
267 	spin_lock_irq(sch->lock);  in eadm_quiesce()
271 	if (eadm_subchannel_clear(sch))  in eadm_quiesce()
275 	spin_unlock_irq(sch->lock);  in eadm_quiesce()
279 	spin_lock_irq(sch->lock);  in eadm_quiesce()
283 	eadm_subchannel_set_timeout(sch, 0);  in eadm_quiesce()
285 		ret = cio_disable_subchannel(sch);  in eadm_quiesce()
288 	spin_unlock_irq(sch->lock);  in eadm_quiesce()
291 static int eadm_subchannel_remove(struct subchannel *sch)  in eadm_subchannel_remove()  argument
293 	struct eadm_private *private = get_eadm_private(sch);  in eadm_subchannel_remove()
299 	eadm_quiesce(sch);  in eadm_subchannel_remove()
301 	spin_lock_irq(sch->lock);  in eadm_subchannel_remove()
302 	set_eadm_private(sch, NULL);  in eadm_subchannel_remove()
303 	spin_unlock_irq(sch->lock);  in eadm_subchannel_remove()
310 static void eadm_subchannel_shutdown(struct subchannel *sch)  in eadm_subchannel_shutdown()  argument
312 	eadm_quiesce(sch);  in eadm_subchannel_shutdown()
315 static int eadm_subchannel_freeze(struct subchannel *sch)  in eadm_subchannel_freeze()  argument
317 	return cio_disable_subchannel(sch);  in eadm_subchannel_freeze()
320 static int eadm_subchannel_restore(struct subchannel *sch)  in eadm_subchannel_restore()  argument
322 	return cio_enable_subchannel(sch, (u32)(unsigned long)sch);  in eadm_subchannel_restore()
335 static int eadm_subchannel_sch_event(struct subchannel *sch, int process)  in eadm_subchannel_sch_event()  argument
340 	spin_lock_irqsave(sch->lock, flags);  in eadm_subchannel_sch_event()
341 	if (!device_is_registered(&sch->dev))  in eadm_subchannel_sch_event()
344 	if (work_pending(&sch->todo_work))  in eadm_subchannel_sch_event()
347 	if (cio_update_schib(sch)) {  in eadm_subchannel_sch_event()
348 		css_sched_sch_todo(sch, SCH_TODO_UNREG);  in eadm_subchannel_sch_event()
351 	private = get_eadm_private(sch);  in eadm_subchannel_sch_event()
356 	spin_unlock_irqrestore(sch->lock, flags);  in eadm_subchannel_sch_event()