cregit-Linux how code gets into the kernel

Release 4.12 include/asm-generic/pci_iomap.h

/* Generic I/O port emulation, based on MN10300 code
 *
 * Copyright (C) 2007 Red Hat, Inc. All Rights Reserved.
 * Written by David Howells (dhowells@redhat.com)
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public Licence
 * as published by the Free Software Foundation; either version
 * 2 of the Licence, or (at your option) any later version.
 */
#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);
/* 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);
#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; }

Contributors

PersonTokensPropCommitsCommitProp
Michael S. Tsirkin24100.00%1100.00%
Total24100.00%1100.00%


static inline void __iomem *pci_iomap_wc(struct pci_dev *dev, int bar, unsigned long max) { return NULL; }

Contributors

PersonTokensPropCommitsCommitProp
Luis R. Rodriguez24100.00%1100.00%
Total24100.00%1100.00%


static inline void __iomem *pci_iomap_range(struct pci_dev *dev, int bar, unsigned long offset, unsigned long maxlen) { return NULL; }

Contributors

PersonTokensPropCommitsCommitProp
Michael S. Tsirkin28100.00%1100.00%
Total28100.00%1100.00%


static inline void __iomem *pci_iomap_wc_range(struct pci_dev *dev, int bar, unsigned long offset, unsigned long maxlen) { return NULL; }

Contributors

PersonTokensPropCommitsCommitProp
Luis R. Rodriguez28100.00%1100.00%
Total28100.00%1100.00%

#endif #endif /* __ASM_GENERIC_IO_H */

Overall Contributors

PersonTokensPropCommitsCommitProp
Michael S. Tsirkin15260.32%360.00%
Luis R. Rodriguez9437.30%120.00%
James Bottomley62.38%120.00%
Total252100.00%5100.00%
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