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Linux kernel mirror (for testing) git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
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1234567891011121314151617181920212223242526272829303132333435363738394041424344454647484950/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note *//* * pci.h * * PCI defines and function prototypes * Copyright 1994, Drew Eckhardt * Copyright 1997--1999 Martin Mares <mj@ucw.cz> * * For more information, please consult the following manuals (look at * http://www.pcisig.com/ for how to get them): * * PCI BIOS Specification * PCI Local Bus Specification * PCI to PCI Bridge Specification * PCI System Design Guide */
#ifndef _UAPILINUX_PCI_H#define _UAPILINUX_PCI_H
#include <linux/pci_regs.h> /* The pci register defines */
/* * The PCI interface treats multi-function devices as independent * devices. The slot/function address of each device is encoded * in a single byte as follows: * * 7:3 = slot * 2:0 = function */#define PCI_DEVFN(slot, func) ((((slot) & 0x1f) << 3) | ((func) & 0x07))#define PCI_SLOT(devfn) (((devfn) >> 3) & 0x1f)#define PCI_FUNC(devfn) ((devfn) & 0x07)
/* Ioctls for /proc/bus/pci/X/Y nodes. */#define PCIIOC_BASE ('P' << 24 | 'C' << 16 | 'I' << 8)#define PCIIOC_CONTROLLER (PCIIOC_BASE | 0x00) /* Get controller for PCI device. */#define PCIIOC_MMAP_IS_IO (PCIIOC_BASE | 0x01) /* Set mmap state to I/O space. */#define PCIIOC_MMAP_IS_MEM (PCIIOC_BASE | 0x02) /* Set mmap state to MEM space. */#define PCIIOC_WRITE_COMBINE (PCIIOC_BASE | 0x03) /* Enable/disable write-combining. */
enum pci_hotplug_event { PCI_HOTPLUG_LINK_UP, PCI_HOTPLUG_LINK_DOWN, PCI_HOTPLUG_CARD_PRESENT, PCI_HOTPLUG_CARD_NOT_PRESENT,};
#endif /* _UAPILINUX_PCI_H */