diff options
Diffstat (limited to 'drivers/pci/pci-driver.c')
| -rw-r--r-- | drivers/pci/pci-driver.c | 38 |
1 files changed, 36 insertions, 2 deletions
diff --git a/drivers/pci/pci-driver.c b/drivers/pci/pci-driver.c index 21eb2f7ad95d..28cf87a7ff4c 100644 --- a/drivers/pci/pci-driver.c +++ b/drivers/pci/pci-driver.c @@ -1,7 +1,5 @@ // SPDX-License-Identifier: GPL-2.0 /* - * drivers/pci/pci-driver.c - * * (C) Copyright 2002-2004, 2007 Greg Kroah-Hartman <greg@kroah.com> * (C) Copyright 2007 Novell Inc. */ @@ -1532,6 +1530,42 @@ static int pci_uevent(struct device *dev, struct kobj_uevent_env *env) return 0; } +#if defined(CONFIG_PCIEAER) || defined(CONFIG_EEH) +/** + * pci_uevent_ers - emit a uevent during recovery path of PCI device + * @pdev: PCI device undergoing error recovery + * @err_type: type of error event + */ +void pci_uevent_ers(struct pci_dev *pdev, enum pci_ers_result err_type) +{ + int idx = 0; + char *envp[3]; + + switch (err_type) { + case PCI_ERS_RESULT_NONE: + case PCI_ERS_RESULT_CAN_RECOVER: + envp[idx++] = "ERROR_EVENT=BEGIN_RECOVERY"; + envp[idx++] = "DEVICE_ONLINE=0"; + break; + case PCI_ERS_RESULT_RECOVERED: + envp[idx++] = "ERROR_EVENT=SUCCESSFUL_RECOVERY"; + envp[idx++] = "DEVICE_ONLINE=1"; + break; + case PCI_ERS_RESULT_DISCONNECT: + envp[idx++] = "ERROR_EVENT=FAILED_RECOVERY"; + envp[idx++] = "DEVICE_ONLINE=0"; + break; + default: + break; + } + + if (idx > 0) { + envp[idx++] = NULL; + kobject_uevent_env(&pdev->dev.kobj, KOBJ_CHANGE, envp); + } +} +#endif + static int pci_bus_num_vf(struct device *dev) { return pci_num_vf(to_pci_dev(dev)); |