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-rw-r--r--sys/dev/pci/pci_private.h10
1 files changed, 10 insertions, 0 deletions
diff --git a/sys/dev/pci/pci_private.h b/sys/dev/pci/pci_private.h
index ce3ad38..7045119 100644
--- a/sys/dev/pci/pci_private.h
+++ b/sys/dev/pci/pci_private.h
@@ -95,7 +95,17 @@ int pci_child_pnpinfo_str_method(device_t cbdev, device_t child,
int pci_assign_interrupt_method(device_t dev, device_t child);
int pci_resume(device_t dev);
int pci_suspend(device_t dev);
+
+/** Restore the config register state. The state must be previously
+ * saved with pci_cfg_save. However, the pci bus driver takes care of
+ * that. This function will also return the device to PCI_POWERSTATE_D0
+ * if it is currently in a lower power mode.
+ */
void pci_cfg_restore(device_t, struct pci_devinfo *);
+
+/** Save the config register state. Optionally set the power state to D3
+ * if the third argument is non-zero.
+ */
void pci_cfg_save(device_t, struct pci_devinfo *, int);
#endif /* _PCI_PRIVATE_H_ */
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