cachepc-linux

Fork of AMDESE/linux with modifications for CachePC side-channel attack
git clone https://git.sinitax.com/sinitax/cachepc-linux
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pci_iomap.h (1920B)

      1/* SPDX-License-Identifier: GPL-2.0+ */
      2/* Generic I/O port emulation.
      3 *
      4 * Copyright (C) 2007 Red Hat, Inc. All Rights Reserved.
      5 * Written by David Howells (dhowells@redhat.com)
      6 */
      7#ifndef __ASM_GENERIC_PCI_IOMAP_H
      8#define __ASM_GENERIC_PCI_IOMAP_H
      9
     10struct pci_dev;
     11#ifdef CONFIG_PCI
     12/* Create a virtual mapping cookie for a PCI BAR (memory or IO) */
     13extern void __iomem *pci_iomap(struct pci_dev *dev, int bar, unsigned long max);
     14extern void __iomem *pci_iomap_wc(struct pci_dev *dev, int bar, unsigned long max);
     15extern void __iomem *pci_iomap_range(struct pci_dev *dev, int bar,
     16				     unsigned long offset,
     17				     unsigned long maxlen);
     18extern void __iomem *pci_iomap_wc_range(struct pci_dev *dev, int bar,
     19					unsigned long offset,
     20					unsigned long maxlen);
     21extern void pci_iounmap(struct pci_dev *dev, void __iomem *);
     22/* Create a virtual mapping cookie for a port on a given PCI device.
     23 * Do not call this directly, it exists to make it easier for architectures
     24 * to override */
     25#ifdef CONFIG_NO_GENERIC_PCI_IOPORT_MAP
     26extern void __iomem *__pci_ioport_map(struct pci_dev *dev, unsigned long port,
     27				      unsigned int nr);
     28#else
     29#define __pci_ioport_map(dev, port, nr) ioport_map((port), (nr))
     30#endif
     31
     32#elif defined(CONFIG_GENERIC_PCI_IOMAP)
     33static inline void __iomem *pci_iomap(struct pci_dev *dev, int bar, unsigned long max)
     34{
     35	return NULL;
     36}
     37
     38static inline void __iomem *pci_iomap_wc(struct pci_dev *dev, int bar, unsigned long max)
     39{
     40	return NULL;
     41}
     42static inline void __iomem *pci_iomap_range(struct pci_dev *dev, int bar,
     43					    unsigned long offset,
     44					    unsigned long maxlen)
     45{
     46	return NULL;
     47}
     48static inline void __iomem *pci_iomap_wc_range(struct pci_dev *dev, int bar,
     49					       unsigned long offset,
     50					       unsigned long maxlen)
     51{
     52	return NULL;
     53}
     54static inline void pci_iounmap(struct pci_dev *dev, void __iomem *addr)
     55{ }
     56#endif
     57
     58#endif /* __ASM_GENERIC_PCI_IOMAP_H */