289 static int pnv_eeh_cap_start(struct pci_dn *pdn)  in pnv_eeh_cap_start()  argument
293 	if (!pdn)  in pnv_eeh_cap_start()
296 	pnv_pci_cfg_read(pdn, PCI_STATUS, 2, &status);  in pnv_eeh_cap_start()
303 static int pnv_eeh_find_cap(struct pci_dn *pdn, int cap)  in pnv_eeh_find_cap()  argument
305 	int pos = pnv_eeh_cap_start(pdn);  in pnv_eeh_find_cap()
313 		pnv_pci_cfg_read(pdn, pos, 1, &pos);  in pnv_eeh_find_cap()
318 		pnv_pci_cfg_read(pdn, pos + PCI_CAP_LIST_ID, 1, &id);  in pnv_eeh_find_cap()
333 static int pnv_eeh_find_ecap(struct pci_dn *pdn, int cap)  in pnv_eeh_find_ecap()  argument
335 	struct eeh_dev *edev = pdn_to_eeh_dev(pdn);  in pnv_eeh_find_ecap()
341 	if (pnv_pci_cfg_read(pdn, pos, 4, &header) != PCIBIOS_SUCCESSFUL)  in pnv_eeh_find_ecap()
354 		if (pnv_pci_cfg_read(pdn, pos, 4, &header) != PCIBIOS_SUCCESSFUL)  in pnv_eeh_find_ecap()
378 static void *pnv_eeh_probe(struct pci_dn *pdn, void *data)  in pnv_eeh_probe()  argument
380 	struct pci_controller *hose = pdn->phb;  in pnv_eeh_probe()
382 	struct eeh_dev *edev = pdn_to_eeh_dev(pdn);  in pnv_eeh_probe()
396 	if ((pdn->class_code >> 8) == PCI_CLASS_BRIDGE_ISA)  in pnv_eeh_probe()
400 	edev->class_code = pdn->class_code;  in pnv_eeh_probe()
402 	edev->pcix_cap = pnv_eeh_find_cap(pdn, PCI_CAP_ID_PCIX);  in pnv_eeh_probe()
403 	edev->pcie_cap = pnv_eeh_find_cap(pdn, PCI_CAP_ID_EXP);  in pnv_eeh_probe()
404 	edev->aer_cap  = pnv_eeh_find_ecap(pdn, PCI_EXT_CAP_ID_ERR);  in pnv_eeh_probe()
408 			pnv_pci_cfg_read(pdn, edev->pcie_cap + PCI_EXP_FLAGS,  in pnv_eeh_probe()
418 	edev->config_addr    = (pdn->busno << 8) | (pdn->devfn);  in pnv_eeh_probe()
425 			__func__, hose->global_number, pdn->busno,  in pnv_eeh_probe()
426 			PCI_SLOT(pdn->devfn), PCI_FUNC(pdn->devfn), ret);  in pnv_eeh_probe()
446 	if ((pdn->vendor_id == PCI_VENDOR_ID_BROADCOM &&  in pnv_eeh_probe()
447 	     pdn->device_id == 0x1657) ||  in pnv_eeh_probe()
448 	    (pdn->vendor_id == PCI_VENDOR_ID_BROADCOM &&  in pnv_eeh_probe()
449 	     pdn->device_id == 0x168e))  in pnv_eeh_probe()
460 					     pdn->busno);  in pnv_eeh_probe()
848 	struct pci_dn *pdn = pci_get_pdn_by_devfn(dev->bus, dev->devfn);  in pnv_eeh_bridge_reset()  local
849 	struct eeh_dev *edev = pdn_to_eeh_dev(pdn);  in pnv_eeh_bridge_reset()
862 			eeh_ops->read_config(pdn, aer + PCI_ERR_UNCOR_MASK,  in pnv_eeh_bridge_reset()
865 			eeh_ops->write_config(pdn, aer + PCI_ERR_UNCOR_MASK,  in pnv_eeh_bridge_reset()
869 		eeh_ops->read_config(pdn, PCI_BRIDGE_CONTROL, 2, &ctrl);  in pnv_eeh_bridge_reset()
871 		eeh_ops->write_config(pdn, PCI_BRIDGE_CONTROL, 2, ctrl);  in pnv_eeh_bridge_reset()
876 		eeh_ops->read_config(pdn, PCI_BRIDGE_CONTROL, 2, &ctrl);  in pnv_eeh_bridge_reset()
878 		eeh_ops->write_config(pdn, PCI_BRIDGE_CONTROL, 2, ctrl);  in pnv_eeh_bridge_reset()
884 			eeh_ops->read_config(pdn, aer + PCI_ERR_UNCOR_MASK,  in pnv_eeh_bridge_reset()
887 			eeh_ops->write_config(pdn, aer + PCI_ERR_UNCOR_MASK,  in pnv_eeh_bridge_reset()
1105 static inline bool pnv_eeh_cfg_blocked(struct pci_dn *pdn)  in pnv_eeh_cfg_blocked()  argument
1107 	struct eeh_dev *edev = pdn_to_eeh_dev(pdn);  in pnv_eeh_cfg_blocked()
1118 static int pnv_eeh_read_config(struct pci_dn *pdn,  in pnv_eeh_read_config()  argument
1121 	if (!pdn)  in pnv_eeh_read_config()
1124 	if (pnv_eeh_cfg_blocked(pdn)) {  in pnv_eeh_read_config()
1129 	return pnv_pci_cfg_read(pdn, where, size, val);  in pnv_eeh_read_config()
1132 static int pnv_eeh_write_config(struct pci_dn *pdn,  in pnv_eeh_write_config()  argument
1135 	if (!pdn)  in pnv_eeh_write_config()
1138 	if (pnv_eeh_cfg_blocked(pdn))  in pnv_eeh_write_config()
1141 	return pnv_pci_cfg_write(pdn, where, size, val);  in pnv_eeh_write_config()
1486 static int pnv_eeh_restore_config(struct pci_dn *pdn)  in pnv_eeh_restore_config()  argument
1488 	struct eeh_dev *edev = pdn_to_eeh_dev(pdn);  in pnv_eeh_restore_config()