61 	struct eeh_pe *pe;  in eeh_pe_alloc()  local
71 	pe = kzalloc(alloc_size, GFP_KERNEL);  in eeh_pe_alloc()
72 	if (!pe) return NULL;  in eeh_pe_alloc()
75 	pe->type = type;  in eeh_pe_alloc()
76 	pe->phb = phb;  in eeh_pe_alloc()
77 	INIT_LIST_HEAD(&pe->child_list);  in eeh_pe_alloc()
78 	INIT_LIST_HEAD(&pe->child);  in eeh_pe_alloc()
79 	INIT_LIST_HEAD(&pe->edevs);  in eeh_pe_alloc()
81 	pe->data = (void *)pe + ALIGN(sizeof(struct eeh_pe),  in eeh_pe_alloc()
83 	return pe;  in eeh_pe_alloc()
95 	struct eeh_pe *pe;  in eeh_phb_pe_create()  local
98 	pe = eeh_pe_alloc(phb, EEH_PE_PHB);  in eeh_phb_pe_create()
99 	if (!pe) {  in eeh_phb_pe_create()
105 	list_add_tail(&pe->child, &eeh_phb_pe);  in eeh_phb_pe_create()
122 	struct eeh_pe *pe;  in eeh_phb_pe_get()  local
124 	list_for_each_entry(pe, &eeh_phb_pe, child) {  in eeh_phb_pe_get()
130 		if ((pe->type & EEH_PE_PHB) && pe->phb == phb)  in eeh_phb_pe_get()
131 			return pe;  in eeh_phb_pe_get()
145 static struct eeh_pe *eeh_pe_next(struct eeh_pe *pe,  in eeh_pe_next()  argument
148 	struct list_head *next = pe->child_list.next;  in eeh_pe_next()
150 	if (next == &pe->child_list) {  in eeh_pe_next()
152 			if (pe == root)  in eeh_pe_next()
154 			next = pe->child.next;  in eeh_pe_next()
155 			if (next != &pe->parent->child_list)  in eeh_pe_next()
157 			pe = pe->parent;  in eeh_pe_next()
178 	struct eeh_pe *pe;  in eeh_pe_traverse()  local
181 	for (pe = root; pe; pe = eeh_pe_next(pe, root)) {  in eeh_pe_traverse()
182 		ret = fn(pe, flag);  in eeh_pe_traverse()
201 	struct eeh_pe *pe;  in eeh_pe_dev_traverse()  local
212 	for (pe = root; pe; pe = eeh_pe_next(pe, root)) {  in eeh_pe_dev_traverse()
213 		eeh_pe_for_each_dev(pe, edev, tmp) {  in eeh_pe_dev_traverse()
235 	struct eeh_pe *pe = (struct eeh_pe *)data;  in __eeh_pe_get()  local
239 	if (pe->type & EEH_PE_PHB)  in __eeh_pe_get()
247 		if (edev->pe_config_addr == pe->addr)  in __eeh_pe_get()
248 			return pe;  in __eeh_pe_get()
251 		    (edev->pe_config_addr == pe->addr))  in __eeh_pe_get()
252 		return pe;  in __eeh_pe_get()
257 	   (edev->config_addr == pe->config_addr))  in __eeh_pe_get()
258 		return pe;  in __eeh_pe_get()
277 	struct eeh_pe *pe;  in eeh_pe_get()  local
279 	pe = eeh_pe_traverse(root, __eeh_pe_get, edev);  in eeh_pe_get()
281 	return pe;  in eeh_pe_get()
309 		if (parent->pe)  in eeh_pe_get_parent()
310 			return parent->pe;  in eeh_pe_get_parent()
329 	struct eeh_pe *pe, *parent;  in eeh_add_to_parent_pe()  local
344 	pe = eeh_pe_get(edev);  in eeh_add_to_parent_pe()
345 	if (pe && !(pe->type & EEH_PE_INVALID)) {  in eeh_add_to_parent_pe()
347 		pe->type = EEH_PE_BUS;  in eeh_add_to_parent_pe()
348 		edev->pe = pe;  in eeh_add_to_parent_pe()
351 		list_add_tail(&edev->list, &pe->edevs);  in eeh_add_to_parent_pe()
357 			pe->addr);  in eeh_add_to_parent_pe()
359 	} else if (pe && (pe->type & EEH_PE_INVALID)) {  in eeh_add_to_parent_pe()
360 		list_add_tail(&edev->list, &pe->edevs);  in eeh_add_to_parent_pe()
361 		edev->pe = pe;  in eeh_add_to_parent_pe()
366 		parent = pe;  in eeh_add_to_parent_pe()
380 			pe->addr, pe->parent->addr);  in eeh_add_to_parent_pe()
385 	pe = eeh_pe_alloc(edev->phb, EEH_PE_DEVICE);  in eeh_add_to_parent_pe()
386 	if (!pe) {  in eeh_add_to_parent_pe()
390 	pe->addr	= edev->pe_config_addr;  in eeh_add_to_parent_pe()
391 	pe->config_addr	= edev->config_addr;  in eeh_add_to_parent_pe()
405 			edev->pe = NULL;  in eeh_add_to_parent_pe()
406 			kfree(pe);  in eeh_add_to_parent_pe()
410 	pe->parent = parent;  in eeh_add_to_parent_pe()
416 	list_add_tail(&pe->child, &parent->child_list);  in eeh_add_to_parent_pe()
417 	list_add_tail(&edev->list, &pe->edevs);  in eeh_add_to_parent_pe()
418 	edev->pe = pe;  in eeh_add_to_parent_pe()
425 		 pe->addr, pe->parent->addr);  in eeh_add_to_parent_pe()
441 	struct eeh_pe *pe, *parent, *child;  in eeh_rmv_from_parent_pe()  local
444 	if (!edev->pe) {  in eeh_rmv_from_parent_pe()
454 	pe = eeh_dev_to_pe(edev);  in eeh_rmv_from_parent_pe()
455 	edev->pe = NULL;  in eeh_rmv_from_parent_pe()
465 		parent = pe->parent;  in eeh_rmv_from_parent_pe()
466 		if (pe->type & EEH_PE_PHB)  in eeh_rmv_from_parent_pe()
469 		if (!(pe->state & EEH_PE_KEEP)) {  in eeh_rmv_from_parent_pe()
470 			if (list_empty(&pe->edevs) &&  in eeh_rmv_from_parent_pe()
471 			    list_empty(&pe->child_list)) {  in eeh_rmv_from_parent_pe()
472 				list_del(&pe->child);  in eeh_rmv_from_parent_pe()
473 				kfree(pe);  in eeh_rmv_from_parent_pe()
478 			if (list_empty(&pe->edevs)) {  in eeh_rmv_from_parent_pe()
480 				list_for_each_entry(child, &pe->child_list, child) {  in eeh_rmv_from_parent_pe()
488 					pe->type |= EEH_PE_INVALID;  in eeh_rmv_from_parent_pe()
494 		pe = parent;  in eeh_rmv_from_parent_pe()
509 void eeh_pe_update_time_stamp(struct eeh_pe *pe)  in eeh_pe_update_time_stamp()  argument
513 	if (!pe) return;  in eeh_pe_update_time_stamp()
515 	if (pe->freeze_count <= 0) {  in eeh_pe_update_time_stamp()
516 		pe->freeze_count = 0;  in eeh_pe_update_time_stamp()
517 		do_gettimeofday(&pe->tstamp);  in eeh_pe_update_time_stamp()
520 		if (tstamp.tv_sec - pe->tstamp.tv_sec > 3600) {  in eeh_pe_update_time_stamp()
521 			pe->tstamp = tstamp;  in eeh_pe_update_time_stamp()
522 			pe->freeze_count = 0;  in eeh_pe_update_time_stamp()
538 	struct eeh_pe *pe = (struct eeh_pe *)data;  in __eeh_pe_state_mark()  local
544 	if (pe->state & EEH_PE_REMOVED)  in __eeh_pe_state_mark()
547 	pe->state |= state;  in __eeh_pe_state_mark()
553 	eeh_pe_for_each_dev(pe, edev, tmp) {  in __eeh_pe_state_mark()
560 	if (pe->state & EEH_PE_CFG_RESTRICTED)  in __eeh_pe_state_mark()
561 		pe->state |= EEH_PE_CFG_BLOCKED;  in __eeh_pe_state_mark()
574 void eeh_pe_state_mark(struct eeh_pe *pe, int state)  in eeh_pe_state_mark()  argument
576 	eeh_pe_traverse(pe, __eeh_pe_state_mark, &state);  in eeh_pe_state_mark()
595 void eeh_pe_dev_mode_mark(struct eeh_pe *pe, int mode)  in eeh_pe_dev_mode_mark()  argument
597 	eeh_pe_dev_traverse(pe, __eeh_pe_dev_mode_mark, &mode);  in eeh_pe_dev_mode_mark()
611 	struct eeh_pe *pe = (struct eeh_pe *)data;  in __eeh_pe_state_clear()  local
617 	if (pe->state & EEH_PE_REMOVED)  in __eeh_pe_state_clear()
620 	pe->state &= ~state;  in __eeh_pe_state_clear()
630 	pe->check_count = 0;  in __eeh_pe_state_clear()
631 	eeh_pe_for_each_dev(pe, edev, tmp) {  in __eeh_pe_state_clear()
640 	if (pe->state & EEH_PE_CFG_RESTRICTED)  in __eeh_pe_state_clear()
641 		pe->state &= ~EEH_PE_CFG_BLOCKED;  in __eeh_pe_state_clear()
655 void eeh_pe_state_clear(struct eeh_pe *pe, int state)  in eeh_pe_state_clear()  argument
657 	eeh_pe_traverse(pe, __eeh_pe_state_clear, &state);  in eeh_pe_state_clear()
671 void eeh_pe_state_mark_with_cfg(struct eeh_pe *pe, int state)  in eeh_pe_state_mark_with_cfg()  argument
673 	eeh_pe_traverse(pe, __eeh_pe_state_mark, &state);  in eeh_pe_state_mark_with_cfg()
679 	eeh_pe_traverse(pe, __eeh_pe_state_clear, &state);  in eeh_pe_state_mark_with_cfg()
865 void eeh_pe_restore_bars(struct eeh_pe *pe)  in eeh_pe_restore_bars()  argument
871 	eeh_pe_dev_traverse(pe, eeh_restore_one_device_bars, NULL);  in eeh_pe_restore_bars()
883 const char *eeh_pe_loc_get(struct eeh_pe *pe)  in eeh_pe_loc_get()  argument
885 	struct pci_bus *bus = eeh_pe_bus_get(pe);  in eeh_pe_loc_get()
921 struct pci_bus *eeh_pe_bus_get(struct eeh_pe *pe)  in eeh_pe_bus_get()  argument
927 	if (pe->type & EEH_PE_PHB) {  in eeh_pe_bus_get()
928 		bus = pe->phb->bus;  in eeh_pe_bus_get()
929 	} else if (pe->type & EEH_PE_BUS ||  in eeh_pe_bus_get()
930 		   pe->type & EEH_PE_DEVICE) {  in eeh_pe_bus_get()
931 		if (pe->state & EEH_PE_PRI_BUS) {  in eeh_pe_bus_get()
932 			bus = pe->bus;  in eeh_pe_bus_get()
936 		edev = list_first_entry(&pe->edevs, struct eeh_dev, list);  in eeh_pe_bus_get()