From 5d1646d90e1f2cceb9f0828f4b28318cd0ec7744 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Sat, 27 Apr 2024 12:05:51 +0200 Subject: Adding upstream version 5.10.209. Signed-off-by: Daniel Baumann --- include/asm-generic/pci_iomap.h | 55 +++++++++++++++++++++++++++++++++++++++++ 1 file changed, 55 insertions(+) create mode 100644 include/asm-generic/pci_iomap.h (limited to 'include/asm-generic/pci_iomap.h') diff --git a/include/asm-generic/pci_iomap.h b/include/asm-generic/pci_iomap.h new file mode 100644 index 000000000..d4f16dcc2 --- /dev/null +++ b/include/asm-generic/pci_iomap.h @@ -0,0 +1,55 @@ +/* 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); +/* 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; +} + +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; +} +#endif + +#endif /* __ASM_GENERIC_IO_H */ -- cgit v1.2.3