diff options
Diffstat (limited to 'include/linux')
| -rw-r--r-- | include/linux/pci-epc.h | 8 | ||||
| -rw-r--r-- | include/linux/pci-epf.h | 6 |
2 files changed, 10 insertions, 4 deletions
diff --git a/include/linux/pci-epc.h b/include/linux/pci-epc.h index 56f1846b9d39..36644ccd32ac 100644 --- a/include/linux/pci-epc.h +++ b/include/linux/pci-epc.h @@ -89,6 +89,7 @@ struct pci_epc_mem { * @max_functions: max number of functions that can be configured in this EPC * @group: configfs group representing the PCI EPC device * @lock: spinlock to protect pci_epc ops + * @notifier: used to notify EPF of any EPC events (like linkup) */ struct pci_epc { struct device dev; @@ -99,6 +100,7 @@ struct pci_epc { struct config_group *group; /* spinlock to protect against concurrent access of EP controller */ spinlock_t lock; + struct atomic_notifier_head notifier; }; /** @@ -141,6 +143,12 @@ static inline void *epc_get_drvdata(struct pci_epc *epc) return dev_get_drvdata(&epc->dev); } +static inline int +pci_epc_register_notifier(struct pci_epc *epc, struct notifier_block *nb) +{ + return atomic_notifier_chain_register(&epc->notifier, nb); +} + struct pci_epc * __devm_pci_epc_create(struct device *dev, const struct pci_epc_ops *ops, struct module *owner); diff --git a/include/linux/pci-epf.h b/include/linux/pci-epf.h index 2d6f07556682..4993f7f6439b 100644 --- a/include/linux/pci-epf.h +++ b/include/linux/pci-epf.h @@ -55,13 +55,10 @@ struct pci_epf_header { * @bind: ops to perform when a EPC device has been bound to EPF device * @unbind: ops to perform when a binding has been lost between a EPC device * and EPF device - * @linkup: ops to perform when the EPC device has established a connection with - * a host system */ struct pci_epf_ops { int (*bind)(struct pci_epf *epf); void (*unbind)(struct pci_epf *epf); - void (*linkup)(struct pci_epf *epf); }; /** @@ -112,6 +109,7 @@ struct pci_epf_bar { * @epc: the EPC device to which this EPF device is bound * @driver: the EPF driver to which this EPF device is bound * @list: to add pci_epf as a list of PCI endpoint functions to pci_epc + * @nb: notifier block to notify EPF of any EPC events (like linkup) */ struct pci_epf { struct device dev; @@ -125,6 +123,7 @@ struct pci_epf { struct pci_epc *epc; struct pci_epf_driver *driver; struct list_head list; + struct notifier_block nb; }; #define to_pci_epf(epf_dev) container_of((epf_dev), struct pci_epf, dev) @@ -154,5 +153,4 @@ void *pci_epf_alloc_space(struct pci_epf *epf, size_t size, enum pci_barno bar, void pci_epf_free_space(struct pci_epf *epf, void *addr, enum pci_barno bar); int pci_epf_bind(struct pci_epf *epf); void pci_epf_unbind(struct pci_epf *epf); -void pci_epf_linkup(struct pci_epf *epf); #endif /* __LINUX_PCI_EPF_H */ |