void __iomem __must_check *pci_map_rom_copy(struct pci_dev *pdev, size_t *size);
void pci_unmap_rom(struct pci_dev *pdev, void __iomem *rom);
void pci_remove_rom(struct pci_dev *pdev);
+size_t pci_get_rom_size(void __iomem *rom, size_t size);
/* Power management related routines */
int pci_save_state(struct pci_dev *dev);