80 static pci_ers_result_t zpci_event_notify_error_detected(struct pci_dev *pdev,  in zpci_event_notify_error_detected()  argument
85 	ers_res = driver->err_handler->error_detected(pdev,  pdev->error_state);  in zpci_event_notify_error_detected()
87 		pr_info("%s: Automatic recovery failed after initial reporting\n", pci_name(pdev));  in zpci_event_notify_error_detected()
89 		pr_debug("%s: Driver needs reset to recover\n", pci_name(pdev));  in zpci_event_notify_error_detected()
94 static pci_ers_result_t zpci_event_do_error_state_clear(struct pci_dev *pdev,  in zpci_event_do_error_state_clear()  argument
98 	struct zpci_dev *zdev = to_zpci(pdev);  in zpci_event_do_error_state_clear()
101 	pr_info("%s: Unblocking device access for examination\n", pci_name(pdev));  in zpci_event_do_error_state_clear()
104 		pr_err("%s: Unblocking device access failed\n", pci_name(pdev));  in zpci_event_do_error_state_clear()
110 		ers_res = driver->err_handler->mmio_enabled(pdev);  in zpci_event_do_error_state_clear()
113 				pci_name(pdev));  in zpci_event_do_error_state_clear()
116 			pr_debug("%s: Driver needs reset to recover\n", pci_name(pdev));  in zpci_event_do_error_state_clear()
121 	pr_debug("%s: Unblocking DMA\n", pci_name(pdev));  in zpci_event_do_error_state_clear()
124 		pdev->error_state = pci_channel_io_normal;  in zpci_event_do_error_state_clear()
126 		pr_err("%s: Unblocking DMA failed\n", pci_name(pdev));  in zpci_event_do_error_state_clear()
134 static pci_ers_result_t zpci_event_do_reset(struct pci_dev *pdev,  in zpci_event_do_reset()  argument
139 	pr_info("%s: Initiating reset\n", pci_name(pdev));  in zpci_event_do_reset()
140 	if (zpci_hot_reset_device(to_zpci(pdev))) {  in zpci_event_do_reset()
141 		pr_err("%s: The reset request failed\n", pci_name(pdev));  in zpci_event_do_reset()
144 	pdev->error_state = pci_channel_io_normal;  in zpci_event_do_reset()
145 	ers_res = driver->err_handler->slot_reset(pdev);  in zpci_event_do_reset()
147 		pr_info("%s: Automatic recovery failed after slot reset\n", pci_name(pdev));  in zpci_event_do_reset()
162 static pci_ers_result_t zpci_event_attempt_error_recovery(struct pci_dev *pdev)  in zpci_event_attempt_error_recovery()  argument
172 	pci_dev_lock(pdev);  in zpci_event_attempt_error_recovery()
173 	if (pdev->error_state == pci_channel_io_perm_failure) {  in zpci_event_attempt_error_recovery()
177 	pdev->error_state = pci_channel_io_frozen;  in zpci_event_attempt_error_recovery()
179 	if (is_passed_through(to_zpci(pdev))) {  in zpci_event_attempt_error_recovery()
181 			pci_name(pdev));  in zpci_event_attempt_error_recovery()
185 	driver = to_pci_driver(pdev->dev.driver);  in zpci_event_attempt_error_recovery()
189 				pci_name(pdev));  in zpci_event_attempt_error_recovery()
192 				pci_name(pdev),  in zpci_event_attempt_error_recovery()
197 	ers_res = zpci_event_notify_error_detected(pdev, driver);  in zpci_event_attempt_error_recovery()
202 		ers_res = zpci_event_do_error_state_clear(pdev, driver);  in zpci_event_attempt_error_recovery()
208 		ers_res = zpci_event_do_reset(pdev, driver);  in zpci_event_attempt_error_recovery()
212 		       pci_name(pdev));  in zpci_event_attempt_error_recovery()
216 	pr_info("%s: The device is ready to resume operations\n", pci_name(pdev));  in zpci_event_attempt_error_recovery()
218 		driver->err_handler->resume(pdev);  in zpci_event_attempt_error_recovery()
220 	pci_dev_unlock(pdev);  in zpci_event_attempt_error_recovery()
229 static void zpci_event_io_failure(struct pci_dev *pdev, pci_channel_state_t es)  in zpci_event_io_failure()  argument
233 	pci_dev_lock(pdev);  in zpci_event_io_failure()
234 	pdev->error_state = es;  in zpci_event_io_failure()
242 	if (is_passed_through(to_zpci(pdev)))  in zpci_event_io_failure()
244 	driver = to_pci_driver(pdev->dev.driver);  in zpci_event_io_failure()
246 		driver->err_handler->error_detected(pdev, pdev->error_state);  in zpci_event_io_failure()
248 	pci_dev_unlock(pdev);  in zpci_event_io_failure()
254 	struct pci_dev *pdev = NULL;  in __zpci_event_error()  local
265 			pdev = pci_get_slot(zdev->zbus->bus, zdev->devfn);  in __zpci_event_error()
269 	       pdev ? pci_name(pdev) : "n/a", ccdf->pec, ccdf->fid);  in __zpci_event_error()
271 	if (!pdev)  in __zpci_event_error()
276 		ers_res = zpci_event_attempt_error_recovery(pdev);  in __zpci_event_error()
278 			zpci_event_io_failure(pdev, pci_channel_io_perm_failure);  in __zpci_event_error()
285 		zpci_event_io_failure(pdev, pci_channel_io_frozen);  in __zpci_event_error()
288 	pci_dev_put(pdev);  in __zpci_event_error()