arch/x86/include/asm/probe_roms.h

#ifndef _PROBE_ROMS_H_
#define _PROBE_ROMS_H_
struct pci_dev;

extern void __iomem *pci_map_biosrom(struct pci_dev *pdev);
extern void pci_unmap_biosrom(void __iomem *rom);
extern size_t pci_biosrom_size(struct pci_dev *pdev);
#endif