Merge tag 'pci-v5.15-changes' of git://git.kernel.org/pub/scm/linux/kernel/git/helgaa...

[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 8292420..009a071 100644 (file)
--- a/include/linux/pci-epf.h
+++ b/include/linux/pci-epf.h
@@ -121,8 +121,10 @@ struct pci_epf_bar {
  * @bar: represents the BAR of EPF device
  * @msi_interrupts: number of MSI interrupts required by this function
  * @msix_interrupts: number of MSI-X interrupts required by this function
- * @func_no: unique function number within this endpoint device
+ * @func_no: unique (physical) function number within this endpoint device
+ * @vfunc_no: unique virtual function number within a physical function
  * @epc: the EPC device to which this EPF device is bound
+ * @epf_pf: the physical EPF device to which this virtual 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)
@@ -133,6 +135,10 @@ struct pci_epf_bar {
  * @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
  * @group: configfs group associated with the EPF device
+ * @is_bound: indicates if bind notification to function driver has been invoked
+ * @is_vf: true - virtual function, false - physical function
+ * @vfunction_num_map: bitmap to manage virtual function number
+ * @pci_vepf: list of virtual endpoint functions associated with this function
  */
 struct pci_epf {
        struct device           dev;
@@ -142,8 +148,10 @@ struct pci_epf {
        u8                      msi_interrupts;
        u16                     msix_interrupts;
        u8                      func_no;
+       u8                      vfunc_no;
 
        struct pci_epc          *epc;
+       struct pci_epf          *epf_pf;
        struct pci_epf_driver   *driver;
        struct list_head        list;
        struct notifier_block   nb;
@@ -156,6 +164,10 @@ struct pci_epf {
        struct pci_epf_bar      sec_epc_bar[6];
        u8                      sec_epc_func_no;
        struct config_group     *group;
+       unsigned int            is_bound;
+       unsigned int            is_vf;
+       unsigned long           vfunction_num_map;
+       struct list_head        pci_vepf;
 };
 
 /**
@@ -199,4 +211,6 @@ int pci_epf_bind(struct pci_epf *epf);
 void pci_epf_unbind(struct pci_epf *epf);
 struct config_group *pci_epf_type_add_cfs(struct pci_epf *epf,
                                          struct config_group *group);
+int pci_epf_add_vepf(struct pci_epf *epf_pf, struct pci_epf *epf_vf);
+void pci_epf_remove_vepf(struct pci_epf *epf_pf, struct pci_epf *epf_vf);
 #endif /* __LINUX_PCI_EPF_H */