/**
* eeh_report_failure - Tell device driver that device is dead.
* @data: eeh device
* @userdata: return value
*
* This informs the device driver that the device is permanently
* dead, and that no further recovery attempts will be made on it.
*/
static void *eeh_report_failure(void *data, void *userdata)
{
struct eeh_dev *edev = (struct eeh_dev *)data;
struct pci_dev *dev = eeh_dev_to_pci_dev(edev);
struct pci_driver *driver;
if (!dev || eeh_dev_removed(edev))
return NULL;
dev->error_state = pci_channel_io_perm_failure;
driver = eeh_pcid_get(dev);
if (!driver) return NULL;
eeh_disable_irq(dev);
if (!driver->err_handler ||
!driver->err_handler->error_detected) {
eeh_pcid_put(dev);
return NULL;
}
driver->err_handler->error_detected(dev, pci_channel_io_perm_failure);
eeh_pcid_put(dev);
return NULL;
}
/**
* eeh_report_error - Report pci error to each device driver
* @data: eeh device
* @userdata: return value
*
* Report an EEH error to each device driver, collect up and
* merge the device driver responses. Cumulative response
* passed back in "userdata".
*/
static void *eeh_report_error(void *data, void *userdata)
{
struct eeh_dev *edev = (struct eeh_dev *)data;
struct pci_dev *dev = eeh_dev_to_pci_dev(edev);
enum pci_ers_result rc, *res = userdata;
struct pci_driver *driver;
if (!dev || eeh_dev_removed(edev))
return NULL;
dev->error_state = pci_channel_io_frozen;
driver = eeh_pcid_get(dev);
if (!driver) return NULL;
eeh_disable_irq(dev);
if (!driver->err_handler ||
!driver->err_handler->error_detected) {
eeh_pcid_put(dev);
return NULL;
}
rc = driver->err_handler->error_detected(dev, pci_channel_io_frozen);
/* A driver that needs a reset trumps all others */
if (rc == PCI_ERS_RESULT_NEED_RESET) *res = rc;
if (*res == PCI_ERS_RESULT_NONE) *res = rc;
eeh_pcid_put(dev);
return NULL;
}
/**
* eeh_report_failure - Tell device driver that device is dead.
* @dev: PCI device
* @userdata: return value
*
* This informs the device driver that the device is permanently
* dead, and that no further recovery attempts will be made on it.
*/
static int eeh_report_failure(struct pci_dev *dev, void *userdata)
{
struct pci_driver *driver;
device_lock(&dev->dev);
dev->error_state = pci_channel_io_perm_failure;
driver = eeh_pcid_get(dev);
if (!driver) goto out;
eeh_disable_irq(dev);
if (!driver->err_handler ||
!driver->err_handler->error_detected) {
eeh_pcid_put(dev);
goto out;
}
driver->err_handler->error_detected(dev, pci_channel_io_perm_failure);
eeh_pcid_put(dev);
out:
device_unlock(&dev->dev);
return 0;
}
/**
* eeh_report_error - Report pci error to each device driver
* @dev: PCI device
* @userdata: return value
*
* Report an EEH error to each device driver, collect up and
* merge the device driver responses. Cumulative response
* passed back in "userdata".
*/
static int eeh_report_error(struct pci_dev *dev, void *userdata)
{
enum pci_ers_result rc, *res = userdata;
struct pci_driver *driver;
device_lock(&dev->dev);
dev->error_state = pci_channel_io_frozen;
driver = eeh_pcid_get(dev);
if (!driver) goto out;
eeh_disable_irq(dev);
if (!driver->err_handler ||
!driver->err_handler->error_detected) {
eeh_pcid_put(dev);
goto out;
}
rc = driver->err_handler->error_detected(dev, pci_channel_io_frozen);
/* A driver that needs a reset trumps all others */
if (rc == PCI_ERS_RESULT_NEED_RESET) *res = rc;
if (*res == PCI_ERS_RESULT_NONE) *res = rc;
eeh_pcid_put(dev);
out:
device_unlock(&dev->dev);
return 0;
}
static int eeh_report_failure(struct pci_dev *dev, void *userdata)
{
struct pci_driver *driver = dev->driver;
dev->error_state = pci_channel_io_perm_failure;
if (!driver)
return 0;
eeh_disable_irq(dev);
if (!driver->err_handler ||
!driver->err_handler->error_detected)
return 0;
driver->err_handler->error_detected(dev, pci_channel_io_perm_failure);
return 0;
}
static int eeh_report_error(struct pci_dev *dev, void *userdata)
{
enum pci_ers_result rc, *res = userdata;
struct pci_driver *driver = dev->driver;
dev->error_state = pci_channel_io_frozen;
if (!driver)
return 0;
eeh_disable_irq(dev);
if (!driver->err_handler ||
!driver->err_handler->error_detected)
return 0;
rc = driver->err_handler->error_detected(dev, pci_channel_io_frozen);
if (rc == PCI_ERS_RESULT_NEED_RESET) *res = rc;
if (*res == PCI_ERS_RESULT_NONE) *res = rc;
return 0;
}
