46 static void pseries_eeh_init_edev(struct pci_dn *pdn);
50 	struct pci_dn *pdn = pci_get_pdn(pdev);  in pseries_pcibios_bus_add_device()  local
58 		pdn->device_id  =  pdev->device;  in pseries_pcibios_bus_add_device()
59 		pdn->vendor_id  =  pdev->vendor;  in pseries_pcibios_bus_add_device()
60 		pdn->class_code =  pdev->class;  in pseries_pcibios_bus_add_device()
66 		pdn->last_allow_rc =  0;  in pseries_pcibios_bus_add_device()
69 	pseries_eeh_init_edev(pdn);  in pseries_pcibios_bus_add_device()
77 		struct eeh_dev *edev = pdn_to_eeh_dev(pdn);  in pseries_pcibios_bus_add_device()
79 		edev->pe_config_addr =  (pdn->busno << 16) | (pdn->devfn << 8);  in pseries_pcibios_bus_add_device()
90  * @pdn: pci_dn of the input device
101 static int pseries_eeh_get_pe_config_addr(struct pci_dn *pdn)  in pseries_eeh_get_pe_config_addr()  argument
103 	int config_addr = rtas_config_addr(pdn->busno, pdn->devfn, 0);  in pseries_eeh_get_pe_config_addr()
104 	struct pci_controller *phb = pdn->phb;  in pseries_eeh_get_pe_config_addr()
248 static int pseries_eeh_cap_start(struct pci_dn *pdn)  in pseries_eeh_cap_start()  argument
252 	if (!pdn)  in pseries_eeh_cap_start()
255 	rtas_pci_dn_read_config(pdn, PCI_STATUS, 2, &status);  in pseries_eeh_cap_start()
263 static int pseries_eeh_find_cap(struct pci_dn *pdn, int cap)  in pseries_eeh_find_cap()  argument
265 	int pos = pseries_eeh_cap_start(pdn);  in pseries_eeh_find_cap()
273 		rtas_pci_dn_read_config(pdn, pos, 1, &pos);  in pseries_eeh_find_cap()
277 		rtas_pci_dn_read_config(pdn, pos + PCI_CAP_LIST_ID, 1, &id);  in pseries_eeh_find_cap()
288 static int pseries_eeh_find_ecap(struct pci_dn *pdn, int cap)  in pseries_eeh_find_ecap()  argument
290 	struct eeh_dev *edev = pdn_to_eeh_dev(pdn);  in pseries_eeh_find_ecap()
297 	if (rtas_pci_dn_read_config(pdn, pos, 4, &header) != PCIBIOS_SUCCESSFUL)  in pseries_eeh_find_ecap()
310 		if (rtas_pci_dn_read_config(pdn, pos, 4, &header) != PCIBIOS_SUCCESSFUL)  in pseries_eeh_find_ecap()
328 	struct pci_dn *pdn = eeh_dev_to_pdn(edev);  in pseries_eeh_pe_get_parent()  local
336 		pdn = pci_get_pdn(edev->physfn);  in pseries_eeh_pe_get_parent()
338 		pdn = pdn ? pdn->parent : NULL;  in pseries_eeh_pe_get_parent()
339 	while (pdn) {  in pseries_eeh_pe_get_parent()
341 		parent = pdn_to_eeh_dev(pdn);  in pseries_eeh_pe_get_parent()
348 		pdn = pdn->parent;  in pseries_eeh_pe_get_parent()
357  * @pdn: PCI device node
364 static void pseries_eeh_init_edev(struct pci_dn *pdn)  in pseries_eeh_init_edev()  argument
375 	 * Find the eeh_dev for this pdn. The storage for the eeh_dev was  in pseries_eeh_init_edev()
380 	edev = pdn_to_eeh_dev(pdn);  in pseries_eeh_init_edev()
394 	if (!pdn->vendor_id || !pdn->device_id || !pdn->class_code)  in pseries_eeh_init_edev()
398         if ((pdn->class_code >> 8) == PCI_CLASS_BRIDGE_ISA)  in pseries_eeh_init_edev()
408 	edev->pcix_cap = pseries_eeh_find_cap(pdn, PCI_CAP_ID_PCIX);  in pseries_eeh_init_edev()
409 	edev->pcie_cap = pseries_eeh_find_cap(pdn, PCI_CAP_ID_EXP);  in pseries_eeh_init_edev()
410 	edev->aer_cap = pseries_eeh_find_ecap(pdn, PCI_EXT_CAP_ID_ERR);  in pseries_eeh_init_edev()
412 	if ((pdn->class_code >> 8) == PCI_CLASS_BRIDGE_PCI) {  in pseries_eeh_init_edev()
415 			rtas_pci_dn_read_config(pdn, edev->pcie_cap + PCI_EXP_FLAGS,  in pseries_eeh_init_edev()
426 	ret = pseries_eeh_get_pe_config_addr(pdn);  in pseries_eeh_init_edev()
434 	pe.phb = pdn->phb;  in pseries_eeh_init_edev()
462 	struct pci_dn *pdn;  in pseries_eeh_probe()  local
464 	pdn = pci_get_pdn_by_devfn(pdev->bus, pdev->devfn);  in pseries_eeh_probe()
465 	if (!pdn)  in pseries_eeh_probe()
472 	edev = pdn_to_eeh_dev(pdn);  in pseries_eeh_probe()
481  * @pdn: PCI device node
487 void pseries_eeh_init_edev_recursive(struct pci_dn *pdn)  in pseries_eeh_init_edev_recursive()  argument
491 	if (!pdn)  in pseries_eeh_init_edev_recursive()
494 	list_for_each_entry(n, &pdn->child_list, list)  in pseries_eeh_init_edev_recursive()
497 	pseries_eeh_init_edev(pdn);  in pseries_eeh_init_edev_recursive()
677 	struct pci_dn *pdn = eeh_dev_to_pdn(edev);  in pseries_eeh_read_config()  local
679 	return rtas_pci_dn_read_config(pdn, where, size, val);  in pseries_eeh_read_config()
693 	struct pci_dn *pdn = eeh_dev_to_pdn(edev);  in pseries_eeh_write_config()  local
695 	return rtas_pci_dn_write_config(pdn, where, size, val);  in pseries_eeh_write_config()
699 static int pseries_send_allow_unfreeze(struct pci_dn *pdn, u16 *vf_pe_array, int cur_vfs)  in pseries_send_allow_unfreeze()  argument
705 	addr = rtas_config_addr(pdn->busno, pdn->devfn, 0);  in pseries_send_allow_unfreeze()
706 	buid = pdn->phb->buid;  in pseries_send_allow_unfreeze()
718 			pdn->phb->global_number, addr, rc);  in pseries_send_allow_unfreeze()
725 	struct pci_dn *pdn, *tmp, *parent, *physfn_pdn;  in pseries_call_allow_unfreeze()  local
734 			pdn = eeh_dev_to_pdn(edev);  in pseries_call_allow_unfreeze()
735 			parent = pdn->parent;  in pseries_call_allow_unfreeze()
738 					cpu_to_be16(pdn->pe_num_map[vf_index]);  in pseries_call_allow_unfreeze()
739 			rc = pseries_send_allow_unfreeze(pdn, vf_pe_array,  in pseries_call_allow_unfreeze()
741 			pdn->last_allow_rc = rc;  in pseries_call_allow_unfreeze()
743 				list_for_each_entry_safe(pdn, tmp,  in pseries_call_allow_unfreeze()
750 					if (pdn->busno != bus ||  in pseries_call_allow_unfreeze()
751 					    pdn->devfn != devfn)  in pseries_call_allow_unfreeze()
753 					pdn->last_allow_rc = rc;  in pseries_call_allow_unfreeze()
757 			pdn = pci_get_pdn(edev->pdev);  in pseries_call_allow_unfreeze()
764 			pdn->last_allow_rc = rc;  in pseries_call_allow_unfreeze()
851 	struct pci_dn *pdn;  in eeh_pseries_init()  local
903 			pdn = list_first_entry(&PCI_DN(phb->dn)->child_list, struct pci_dn, list);  in eeh_pseries_init()
904 			config_addr = pseries_eeh_get_pe_config_addr(pdn);  in eeh_pseries_init()