74 		 *        parent PE in pseries_eeh_init_edev().  in pseries_pcibios_bus_add_device()
76 		struct eeh_pe *physfn_pe = pci_dev_to_eeh_dev(pdev->physfn)->pe;  in pseries_pcibios_bus_add_device()
80 		eeh_pe_tree_remove(edev); /* Remove as it is adding to bus pe */  in pseries_pcibios_bus_add_device()
81 		eeh_pe_tree_insert(edev, physfn_pe);   /* Add as VF PE type */  in pseries_pcibios_bus_add_device()
93  * pe_config_addr) as a handle to a given PE. This function finds the
110 		 * part of a PE or not. ret[0] being zero indicates it's not.  in pseries_eeh_get_pe_config_addr()
118 		/* Retrieve the associated PE config address with function 0 */  in pseries_eeh_get_pe_config_addr()
123 			pr_warn("%s: Failed to get address for PHB#%x-PE#%x\n",  in pseries_eeh_get_pe_config_addr()
136 			pr_warn("%s: Failed to get address for PHB#%x-PE#%x\n",  in pseries_eeh_get_pe_config_addr()
160  * Reset the specified PHB/PE
166 	/* Reset PE through RTAS call */  in pseries_eeh_phb_reset()
189  * pseries_eeh_phb_configure_bridge - Configure PCI bridges in the indicated PE
194  * in the specified PE so that the mulfunctional PE would be recovered
230 	pr_warn("%s: Unable to configure bridge PHB#%x-PE#%x (%d)\n",  in pseries_eeh_phb_configure_bridge()
318  * pseries_eeh_pe_get_parent - Retrieve the parent PE
322  * tree. The function is used to retrieve the parent PE according
332 	 * EEH device already having associated PE, but  in pseries_eeh_pe_get_parent()
345 		if (parent->pe)  in pseries_eeh_pe_get_parent()
346 			return parent->pe;  in pseries_eeh_pe_get_parent()
366 	struct eeh_pe pe, *parent;  in pseries_eeh_init_edev()  local
385 	 * If ->pe is set then we've already probed this device. We hit  in pseries_eeh_init_edev()
387 	 * a PE (i.e. for devices where the driver doesn't support error  in pseries_eeh_init_edev()
390 	if (edev->pe)  in pseries_eeh_init_edev()
425 	/* first up, find the pe_config_addr for the PE containing the device */  in pseries_eeh_init_edev()
432 	/* Try enable EEH on the fake PE */  in pseries_eeh_init_edev()
433 	memset(&pe, 0, sizeof(struct eeh_pe));  in pseries_eeh_init_edev()
434 	pe.phb = pdn->phb;  in pseries_eeh_init_edev()
435 	pe.addr = ret;  in pseries_eeh_init_edev()
438 	ret = eeh_ops->set_option(&pe, EEH_OPT_ENABLE);  in pseries_eeh_init_edev()
444 	edev->pe_config_addr = pe.addr;  in pseries_eeh_init_edev()
470 	 * configured and inserted into a PE in pseries_eeh_init_edev()  in pseries_eeh_probe()
473 	if (!edev || !edev->pe)  in pseries_eeh_probe()
503  * @pe: EEH PE
510 static int pseries_eeh_set_option(struct eeh_pe *pe, int option)  in pseries_eeh_set_option()  argument
516 	 * the particular PE, the PE config address is possibly  in pseries_eeh_set_option()
535 			pe->addr, BUID_HI(pe->phb->buid),  in pseries_eeh_set_option()
536 			BUID_LO(pe->phb->buid), option);  in pseries_eeh_set_option()
542  * pseries_eeh_get_state - Retrieve PE state
543  * @pe: EEH PE
546  * Retrieve the state of the specified PE. On RTAS compliant
548  * for the purpose. It's notable that the associated PE config address
550  * use the PE config address if possible. Further more, there're 2
554 static int pseries_eeh_get_state(struct eeh_pe *pe, int *delay)  in pseries_eeh_get_state()  argument
562 				pe->addr, BUID_HI(pe->phb->buid),  in pseries_eeh_get_state()
563 				BUID_LO(pe->phb->buid));  in pseries_eeh_get_state()
565 		/* Fake PE unavailable info */  in pseries_eeh_get_state()
568 				pe->addr, BUID_HI(pe->phb->buid),  in pseries_eeh_get_state()
569 				BUID_LO(pe->phb->buid));  in pseries_eeh_get_state()
614  * pseries_eeh_reset - Reset the specified PE
615  * @pe: EEH PE
618  * Reset the specified PE
620 static int pseries_eeh_reset(struct eeh_pe *pe, int option)  in pseries_eeh_reset()  argument
622 	return pseries_eeh_phb_reset(pe->phb, pe->addr, option);  in pseries_eeh_reset()
627  * @pe: EEH PE
632  * Retrieve the temporary or permanent error from the PE.
636 static int pseries_eeh_get_log(struct eeh_pe *pe, int severity, char *drv_log, unsigned long len)  in pseries_eeh_get_log()  argument
644 	ret = rtas_call(ibm_slot_error_detail, 8, 1, NULL, pe->addr,  in pseries_eeh_get_log()
645 			BUID_HI(pe->phb->buid), BUID_LO(pe->phb->buid),  in pseries_eeh_get_log()
657  * pseries_eeh_configure_bridge - Configure PCI bridges in the indicated PE
658  * @pe: EEH PE
661 static int pseries_eeh_configure_bridge(struct eeh_pe *pe)  in pseries_eeh_configure_bridge()  argument
663 	return pseries_eeh_phb_configure_bridge(pe->phb, pe->addr);  in pseries_eeh_configure_bridge()
716 		pr_warn("%s: Failed to allow unfreeze for PHB#%x-PE#%lx, rc=%x\n",  in pseries_send_allow_unfreeze()
825 	ibm_configure_pe		= rtas_token("ibm,configure-pe");  in eeh_pseries_init()
828 	 * ibm,configure-pe and ibm,configure-bridge have the same semantics,  in eeh_pseries_init()
829 	 * however ibm,configure-pe can be faster.  If we can't find  in eeh_pseries_init()
830 	 * ibm,configure-pe then fall back to using ibm,configure-bridge.  in eeh_pseries_init()
878 			/* invalid PE config addr */  in eeh_pseries_init()