diff options
Diffstat (limited to 'drivers/pci/endpoint/pci-epc-core.c')
| -rw-r--r-- | drivers/pci/endpoint/pci-epc-core.c | 34 |
1 files changed, 34 insertions, 0 deletions
diff --git a/drivers/pci/endpoint/pci-epc-core.c b/drivers/pci/endpoint/pci-epc-core.c index 38621558d397..19fa5802f5a8 100644 --- a/drivers/pci/endpoint/pci-epc-core.c +++ b/drivers/pci/endpoint/pci-epc-core.c @@ -698,6 +698,23 @@ void pci_epc_linkup(struct pci_epc *epc) EXPORT_SYMBOL_GPL(pci_epc_linkup); /** + * pci_epc_linkdown() - Notify the EPF device that EPC device has dropped the + * connection with the Root Complex. + * @epc: the EPC device which has dropped the link with the host + * + * Invoke to Notify the EPF device that the EPC device has dropped the + * connection with the Root Complex. + */ +void pci_epc_linkdown(struct pci_epc *epc) +{ + if (!epc || IS_ERR(epc)) + return; + + atomic_notifier_call_chain(&epc->notifier, LINK_DOWN, NULL); +} +EXPORT_SYMBOL_GPL(pci_epc_linkdown); + +/** * pci_epc_init_notify() - Notify the EPF device that EPC device's core * initialization is completed. * @epc: the EPC device whose core initialization is completed @@ -715,6 +732,23 @@ void pci_epc_init_notify(struct pci_epc *epc) EXPORT_SYMBOL_GPL(pci_epc_init_notify); /** + * pci_epc_bme_notify() - Notify the EPF device that the EPC device has received + * the BME event from the Root complex + * @epc: the EPC device that received the BME event + * + * Invoke to Notify the EPF device that the EPC device has received the Bus + * Master Enable (BME) event from the Root complex + */ +void pci_epc_bme_notify(struct pci_epc *epc) +{ + if (!epc || IS_ERR(epc)) + return; + + atomic_notifier_call_chain(&epc->notifier, BME, NULL); +} +EXPORT_SYMBOL_GPL(pci_epc_bme_notify); + +/** * pci_epc_destroy() - destroy the EPC device * @epc: the EPC device that has to be destroyed * |