97 lines
3.1 KiB
C
97 lines
3.1 KiB
C
/* $NetBSD: pciio.h,v 1.3 2009/06/06 12:56:43 cegger Exp $ */
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/*
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* Copyright 2001 Wasabi Systems, Inc.
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* All rights reserved.
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*
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* Written by Jason R. Thorpe for Wasabi Systems, Inc.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed for the NetBSD Project by
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* Wasabi Systems, Inc.
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* 4. The name of Wasabi Systems, Inc. may not be used to endorse
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* or promote products derived from this software without specific prior
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* written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY WASABI SYSTEMS, INC. ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
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* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL WASABI SYSTEMS, INC
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* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifndef _DEV_PCI_PCIIO_H_
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#define _DEV_PCI_PCIIO_H_
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/*
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* User -> kernel interface for PCI bus access.
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*/
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#include <sys/ioccom.h>
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/*
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* pciio_cfgreg:
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*
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* Representation of a PCI config space register.
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*/
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struct pciio_cfgreg {
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u_int reg; /* offset into PCI configuration space */
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uint32_t val; /* value of the register */
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};
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/*
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* Read and write PCI configuration space registers on a
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* specific device.
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*/
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#define PCI_IOC_CFGREAD _IOWR('P', 0, struct pciio_cfgreg)
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#define PCI_IOC_CFGWRITE _IOW('P', 1, struct pciio_cfgreg)
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/*
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* pciio_bdf_cfgreg:
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*
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* Like pciio_cfgreg, except for any bus/dev/func within
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* a given PCI domain.
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*/
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struct pciio_bdf_cfgreg {
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u_int bus;
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u_int device;
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u_int function;
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struct pciio_cfgreg cfgreg;
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};
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/*
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* Read and write PCI configuration space registers on any
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* device within a given PCI domain.
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*/
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#define PCI_IOC_BDF_CFGREAD _IOWR('P', 2, struct pciio_bdf_cfgreg)
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#define PCI_IOC_BDF_CFGWRITE _IOW('P', 3, struct pciio_bdf_cfgreg)
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/*
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* pciio_businfo:
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*
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* Information for a PCI bus (autoconfiguration node) instance.
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*/
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struct pciio_businfo {
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u_int busno; /* bus number */
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u_int maxdevs; /* max devices on bus */
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};
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#define PCI_IOC_BUSINFO _IOR('P', 4, struct pciio_businfo)
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#endif /* _DEV_PCI_PCIIO_H_ */
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