61 static int eadm_subchannel_start(struct subchannel *sch, struct aob *aob)  in eadm_subchannel_start()  argument
63 	union orb *orb = &get_eadm_private(sch)->orb;  in eadm_subchannel_start()
68 	orb->eadm.intparm = (u32)virt_to_phys(sch);  in eadm_subchannel_start()
72 	EADM_LOG_HEX(6, &sch->schid, sizeof(sch->schid));  in eadm_subchannel_start()
74 	cc = ssch(sch->schid, orb);  in eadm_subchannel_start()
77 		sch->schib.scsw.eadm.actl |= SCSW_ACTL_START_PEND;  in eadm_subchannel_start()
88 static int eadm_subchannel_clear(struct subchannel *sch)  in eadm_subchannel_clear()  argument
92 	cc = csch(sch->schid);  in eadm_subchannel_clear()
96 	sch->schib.scsw.eadm.actl |= SCSW_ACTL_CLEAR_PEND;  in eadm_subchannel_clear()
103 	struct subchannel *sch = private->sch;  in eadm_subchannel_timeout()  local
105 	spin_lock_irq(&sch->lock);  in eadm_subchannel_timeout()
107 	EADM_LOG_HEX(1, &sch->schid, sizeof(sch->schid));  in eadm_subchannel_timeout()
108 	if (eadm_subchannel_clear(sch))  in eadm_subchannel_timeout()
110 	spin_unlock_irq(&sch->lock);  in eadm_subchannel_timeout()
113 static void eadm_subchannel_set_timeout(struct subchannel *sch, int expires)  in eadm_subchannel_set_timeout()  argument
115 	struct eadm_private *private = get_eadm_private(sch);  in eadm_subchannel_set_timeout()
123 static void eadm_subchannel_irq(struct subchannel *sch)  in eadm_subchannel_irq()  argument
125 	struct eadm_private *private = get_eadm_private(sch);  in eadm_subchannel_irq()
126 	struct eadm_scsw *scsw = &sch->schib.scsw.eadm;  in eadm_subchannel_irq()
142 	eadm_subchannel_set_timeout(sch, 0);  in eadm_subchannel_irq()
148 		css_sched_sch_todo(sch, SCH_TODO_EVAL);  in eadm_subchannel_irq()
161 	struct subchannel *sch;  in eadm_get_idle_sch()  local
166 		sch = private->sch;  in eadm_get_idle_sch()
167 		spin_lock(&sch->lock);  in eadm_get_idle_sch()
171 			spin_unlock(&sch->lock);  in eadm_get_idle_sch()
174 			return sch;  in eadm_get_idle_sch()
176 		spin_unlock(&sch->lock);  in eadm_get_idle_sch()
186 	struct subchannel *sch;  in eadm_start_aob()  local
190 	sch = eadm_get_idle_sch();  in eadm_start_aob()
191 	if (!sch)  in eadm_start_aob()
194 	spin_lock_irqsave(&sch->lock, flags);  in eadm_start_aob()
195 	eadm_subchannel_set_timeout(sch, EADM_TIMEOUT);  in eadm_start_aob()
196 	ret = eadm_subchannel_start(sch, aob);  in eadm_start_aob()
201 	eadm_subchannel_set_timeout(sch, 0);  in eadm_start_aob()
202 	private = get_eadm_private(sch);  in eadm_start_aob()
204 	css_sched_sch_todo(sch, SCH_TODO_EVAL);  in eadm_start_aob()
207 	spin_unlock_irqrestore(&sch->lock, flags);  in eadm_start_aob()
213 static int eadm_subchannel_probe(struct subchannel *sch)  in eadm_subchannel_probe()  argument
225 	spin_lock_irq(&sch->lock);  in eadm_subchannel_probe()
226 	set_eadm_private(sch, private);  in eadm_subchannel_probe()
228 	private->sch = sch;  in eadm_subchannel_probe()
229 	sch->isc = EADM_SCH_ISC;  in eadm_subchannel_probe()
230 	ret = cio_enable_subchannel(sch, (u32)virt_to_phys(sch));  in eadm_subchannel_probe()
232 		set_eadm_private(sch, NULL);  in eadm_subchannel_probe()
233 		spin_unlock_irq(&sch->lock);  in eadm_subchannel_probe()
237 	spin_unlock_irq(&sch->lock);  in eadm_subchannel_probe()
246 static void eadm_quiesce(struct subchannel *sch)  in eadm_quiesce()  argument
248 	struct eadm_private *private = get_eadm_private(sch);  in eadm_quiesce()
252 	spin_lock_irq(&sch->lock);  in eadm_quiesce()
256 	if (eadm_subchannel_clear(sch))  in eadm_quiesce()
260 	spin_unlock_irq(&sch->lock);  in eadm_quiesce()
264 	spin_lock_irq(&sch->lock);  in eadm_quiesce()
268 	eadm_subchannel_set_timeout(sch, 0);  in eadm_quiesce()
270 		ret = cio_disable_subchannel(sch);  in eadm_quiesce()
273 	spin_unlock_irq(&sch->lock);  in eadm_quiesce()
276 static void eadm_subchannel_remove(struct subchannel *sch)  in eadm_subchannel_remove()  argument
278 	struct eadm_private *private = get_eadm_private(sch);  in eadm_subchannel_remove()
284 	eadm_quiesce(sch);  in eadm_subchannel_remove()
286 	spin_lock_irq(&sch->lock);  in eadm_subchannel_remove()
287 	set_eadm_private(sch, NULL);  in eadm_subchannel_remove()
288 	spin_unlock_irq(&sch->lock);  in eadm_subchannel_remove()
293 static void eadm_subchannel_shutdown(struct subchannel *sch)  in eadm_subchannel_shutdown()  argument
295 	eadm_quiesce(sch);  in eadm_subchannel_shutdown()
300  * @sch: subchannel
308 static int eadm_subchannel_sch_event(struct subchannel *sch, int process)  in eadm_subchannel_sch_event()  argument
313 	spin_lock_irqsave(&sch->lock, flags);  in eadm_subchannel_sch_event()
314 	if (!device_is_registered(&sch->dev))  in eadm_subchannel_sch_event()
317 	if (work_pending(&sch->todo_work))  in eadm_subchannel_sch_event()
320 	if (cio_update_schib(sch)) {  in eadm_subchannel_sch_event()
321 		css_sched_sch_todo(sch, SCH_TODO_UNREG);  in eadm_subchannel_sch_event()
324 	private = get_eadm_private(sch);  in eadm_subchannel_sch_event()
329 	spin_unlock_irqrestore(&sch->lock, flags);  in eadm_subchannel_sch_event()