#ifndef _IPXE_IOMAP_VIRT_H #define _IPXE_IOMAP_VIRT_H /** @file * * iPXE I/O mapping API using phys_to_virt() * */ FILE_LICENCE ( GPL2_OR_LATER_OR_UBDL ); #ifdef IOMAP_VIRT #define IOMAP_PREFIX_virt #else #define IOMAP_PREFIX_virt __virt_ #endif static inline __always_inline void * IOMAP_INLINE ( virt, ioremap ) ( unsigned long bus_addr, size_t len __unused ) { return ( bus_addr ? phys_to_virt ( bus_addr ) : NULL ); } static inline __always_inline void IOMAP_INLINE ( virt, iounmap ) ( volatile const void *io_addr __unused ) { /* Nothing to do */ } static inline __always_inline unsigned long IOMAP_INLINE ( virt, io_to_bus ) ( volatile const void *io_addr ) { return virt_to_phys ( io_addr ); } #endif /* _IPXE_IOMAP_VIRT_H */