PCI: endpoint: Add support to associate secondary EPC with EPF

[linux-2.6-microblaze.git] / include / linux / pci-epf.h

diff --git a/include/linux/pci-epf.h b/include/linux/pci-epf.h
index f373a13..1dc6682 100644 (file)
--- a/include/linux/pci-epf.h
+++ b/include/linux/pci-epf.h
@@ -14,6 +14,7 @@
 #include <linux/pci.h>
 
 struct pci_epf;
+enum pci_epc_interface_type;
 
 enum pci_notify_event {
        CORE_INIT,
@@ -119,6 +120,11 @@ struct pci_epf_bar {
  * @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)
  * @lock: mutex to protect pci_epf_ops
+ * @sec_epc: the secondary EPC device to which this EPF device is bound
+ * @sec_epc_list: to add pci_epf as list of PCI endpoint functions to secondary
+ *   EPC device
+ * @sec_epc_bar: represents the BAR of EPF device associated with secondary EPC
+ * @sec_epc_func_no: unique (physical) function number within the secondary EPC
  */
 struct pci_epf {
        struct device           dev;
@@ -135,6 +141,12 @@ struct pci_epf {
        struct notifier_block   nb;
        /* mutex to protect against concurrent access of pci_epf_ops */
        struct mutex            lock;
+
+       /* Below members are to attach secondary EPC to an endpoint function */
+       struct pci_epc          *sec_epc;
+       struct list_head        sec_epc_list;
+       struct pci_epf_bar      sec_epc_bar[6];
+       u8                      sec_epc_func_no;
 };
 
 /**
@@ -171,8 +183,9 @@ int __pci_epf_register_driver(struct pci_epf_driver *driver,
                              struct module *owner);
 void pci_epf_unregister_driver(struct pci_epf_driver *driver);
 void *pci_epf_alloc_space(struct pci_epf *epf, size_t size, enum pci_barno bar,
-                         size_t align);
-void pci_epf_free_space(struct pci_epf *epf, void *addr, enum pci_barno bar);
+                         size_t align, enum pci_epc_interface_type type);
+void pci_epf_free_space(struct pci_epf *epf, void *addr, enum pci_barno bar,
+                       enum pci_epc_interface_type type);
 int pci_epf_bind(struct pci_epf *epf);
 void pci_epf_unbind(struct pci_epf *epf);
 #endif /* __LINUX_PCI_EPF_H */