Contributors: 14
Author Tokens Token Proportion Commits Commit Proportion
Linus Torvalds 129 42.72% 2 11.76%
Michael S. Tsirkin 75 24.83% 3 17.65%
Randy Dunlap 43 14.24% 1 5.88%
Arnd Bergmann 16 5.30% 1 5.88%
Stafford Horne 8 2.65% 1 5.88%
Helge Deller 6 1.99% 1 5.88%
Matthew Wilcox 6 1.99% 1 5.88%
James Bottomley 6 1.99% 1 5.88%
Luis R. Rodriguez 4 1.32% 1 5.88%
Anton Blanchard 3 0.99% 1 5.88%
Jonas Bonn 3 0.99% 1 5.88%
David Howells 1 0.33% 1 5.88%
Björn Helgaas 1 0.33% 1 5.88%
Jonathan Cameron 1 0.33% 1 5.88%
Total 302 17


/* SPDX-License-Identifier: GPL-2.0+ */
/* Generic I/O port emulation.
 *
 * Copyright (C) 2007 Red Hat, Inc. All Rights Reserved.
 * Written by David Howells (dhowells@redhat.com)
 */
#ifndef __ASM_GENERIC_PCI_IOMAP_H
#define __ASM_GENERIC_PCI_IOMAP_H

struct pci_dev;
#ifdef CONFIG_PCI
/* Create a virtual mapping cookie for a PCI BAR (memory or IO) */
extern void __iomem *pci_iomap(struct pci_dev *dev, int bar, unsigned long max);
extern void __iomem *pci_iomap_wc(struct pci_dev *dev, int bar, unsigned long max);
extern void __iomem *pci_iomap_range(struct pci_dev *dev, int bar,
				     unsigned long offset,
				     unsigned long maxlen);
extern void __iomem *pci_iomap_wc_range(struct pci_dev *dev, int bar,
					unsigned long offset,
					unsigned long maxlen);
extern void pci_iounmap(struct pci_dev *dev, void __iomem *);
/* Create a virtual mapping cookie for a port on a given PCI device.
 * Do not call this directly, it exists to make it easier for architectures
 * to override */
#ifdef CONFIG_NO_GENERIC_PCI_IOPORT_MAP
extern void __iomem *__pci_ioport_map(struct pci_dev *dev, unsigned long port,
				      unsigned int nr);
#elif !defined(CONFIG_HAS_IOPORT_MAP)
#define __pci_ioport_map(dev, port, nr) NULL
#else
#define __pci_ioport_map(dev, port, nr) ioport_map((port), (nr))
#endif

#elif defined(CONFIG_GENERIC_PCI_IOMAP)
static inline void __iomem *pci_iomap(struct pci_dev *dev, int bar, unsigned long max)
{
	return NULL;
}

static inline void __iomem *pci_iomap_wc(struct pci_dev *dev, int bar, unsigned long max)
{
	return NULL;
}
static inline void __iomem *pci_iomap_range(struct pci_dev *dev, int bar,
					    unsigned long offset,
					    unsigned long maxlen)
{
	return NULL;
}
static inline void __iomem *pci_iomap_wc_range(struct pci_dev *dev, int bar,
					       unsigned long offset,
					       unsigned long maxlen)
{
	return NULL;
}
static inline void pci_iounmap(struct pci_dev *dev, void __iomem *addr)
{ }
#endif

#endif /* __ASM_GENERIC_PCI_IOMAP_H */