13  *	This is the part of XPC that detects the presence/absence of
265 static int __xpc_partition_disengaged(struct xpc_partition *part,  in __xpc_partition_disengaged()  argument
268 	short partid = XPC_PARTID(part);  in __xpc_partition_disengaged()
272 	if (part->disengage_timeout) {  in __xpc_partition_disengaged()
274 			if (time_is_after_jiffies(part->disengage_timeout)) {  in __xpc_partition_disengaged()
290 		part->disengage_timeout = 0;  in __xpc_partition_disengaged()
294 			del_timer_sync(&part->disengage_timer);  in __xpc_partition_disengaged()
296 		DBUG_ON(part->act_state != XPC_P_AS_DEACTIVATING &&  in __xpc_partition_disengaged()
297 			part->act_state != XPC_P_AS_INACTIVE);  in __xpc_partition_disengaged()
298 		if (part->act_state != XPC_P_AS_INACTIVE)  in __xpc_partition_disengaged()
299 			xpc_wakeup_channel_mgr(part);  in __xpc_partition_disengaged()
301 		xpc_arch_ops.cancel_partition_deactivation_request(part);  in __xpc_partition_disengaged()
306 int xpc_partition_disengaged(struct xpc_partition *part)  in xpc_partition_disengaged()  argument
308 	return __xpc_partition_disengaged(part, false);  in xpc_partition_disengaged()
311 int xpc_partition_disengaged_from_timer(struct xpc_partition *part)  in xpc_partition_disengaged_from_timer()  argument
313 	return __xpc_partition_disengaged(part, true);  in xpc_partition_disengaged_from_timer()
320 xpc_mark_partition_active(struct xpc_partition *part)  in xpc_mark_partition_active()  argument
325 	dev_dbg(xpc_part, "setting partition %d to ACTIVE\n", XPC_PARTID(part));  in xpc_mark_partition_active()
327 	spin_lock_irqsave(&part->act_lock, irq_flags);  in xpc_mark_partition_active()
328 	if (part->act_state == XPC_P_AS_ACTIVATING) {  in xpc_mark_partition_active()
329 		part->act_state = XPC_P_AS_ACTIVE;  in xpc_mark_partition_active()
332 		DBUG_ON(part->reason == xpSuccess);  in xpc_mark_partition_active()
333 		ret = part->reason;  in xpc_mark_partition_active()
335 	spin_unlock_irqrestore(&part->act_lock, irq_flags);  in xpc_mark_partition_active()
344 xpc_deactivate_partition(const int line, struct xpc_partition *part,  in xpc_deactivate_partition()  argument
349 	spin_lock_irqsave(&part->act_lock, irq_flags);  in xpc_deactivate_partition()
351 	if (part->act_state == XPC_P_AS_INACTIVE) {  in xpc_deactivate_partition()
352 		XPC_SET_REASON(part, reason, line);  in xpc_deactivate_partition()
353 		spin_unlock_irqrestore(&part->act_lock, irq_flags);  in xpc_deactivate_partition()
356 			xpc_arch_ops.request_partition_reactivation(part);  in xpc_deactivate_partition()
360 	if (part->act_state == XPC_P_AS_DEACTIVATING) {  in xpc_deactivate_partition()
361 		if ((part->reason == xpUnloading && reason != xpUnloading) ||  in xpc_deactivate_partition()
363 			XPC_SET_REASON(part, reason, line);  in xpc_deactivate_partition()
365 		spin_unlock_irqrestore(&part->act_lock, irq_flags);  in xpc_deactivate_partition()
369 	part->act_state = XPC_P_AS_DEACTIVATING;  in xpc_deactivate_partition()
370 	XPC_SET_REASON(part, reason, line);  in xpc_deactivate_partition()
372 	spin_unlock_irqrestore(&part->act_lock, irq_flags);  in xpc_deactivate_partition()
375 	xpc_arch_ops.request_partition_deactivation(part);  in xpc_deactivate_partition()
378 	part->disengage_timeout = jiffies + (xpc_disengage_timelimit * HZ);  in xpc_deactivate_partition()
379 	part->disengage_timer.expires = part->disengage_timeout;  in xpc_deactivate_partition()
380 	add_timer(&part->disengage_timer);  in xpc_deactivate_partition()
383 		XPC_PARTID(part), reason);  in xpc_deactivate_partition()
385 	xpc_partition_going_down(part, reason);  in xpc_deactivate_partition()
392 xpc_mark_partition_inactive(struct xpc_partition *part)  in xpc_mark_partition_inactive()  argument
397 		XPC_PARTID(part));  in xpc_mark_partition_inactive()
399 	spin_lock_irqsave(&part->act_lock, irq_flags);  in xpc_mark_partition_inactive()
400 	part->act_state = XPC_P_AS_INACTIVE;  in xpc_mark_partition_inactive()
401 	spin_unlock_irqrestore(&part->act_lock, irq_flags);  in xpc_mark_partition_inactive()
402 	part->remote_rp_pa = 0;  in xpc_mark_partition_inactive()
482 					"part of the local partition; skipping "  in xpc_discovery()
495 				dev_dbg(xpc_part, "Nasid %d is part of a "  in xpc_discovery()
532 	struct xpc_partition *part;  in xpc_initiate_partid_to_nasids()  local
535 	part = &xpc_partitions[partid];  in xpc_initiate_partid_to_nasids()
536 	if (part->remote_rp_pa == 0)  in xpc_initiate_partid_to_nasids()
541 	part_nasid_pa = (unsigned long)XPC_RP_PART_NASIDS(part->remote_rp_pa);  in xpc_initiate_partid_to_nasids()