cachepc-linux

Fork of AMDESE/linux with modifications for CachePC side-channel attack
git clone https://git.sinitax.com/sinitax/cachepc-linux
Log | Files | Refs | README | LICENSE | sfeed.txt

isa-bridge.h (654B)


      1/* SPDX-License-Identifier: GPL-2.0 */
      2#ifndef __ISA_BRIDGE_H
      3#define __ISA_BRIDGE_H
      4
      5#ifdef CONFIG_PPC64
      6
      7extern void isa_bridge_find_early(struct pci_controller *hose);
      8extern void isa_bridge_init_non_pci(struct device_node *np);
      9
     10static inline int isa_vaddr_is_ioport(void __iomem *address)
     11{
     12	/* Check if address hits the reserved legacy IO range */
     13	unsigned long ea = (unsigned long)address;
     14	return ea >= ISA_IO_BASE && ea < ISA_IO_END;
     15}
     16
     17#else
     18
     19static inline int isa_vaddr_is_ioport(void __iomem *address)
     20{
     21	/* No specific ISA handling on ppc32 at this stage, it
     22	 * all goes through PCI
     23	 */
     24	return 0;
     25}
     26
     27#endif
     28
     29#endif /* __ISA_BRIDGE_H */
     30