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pciio.h revision 1.2.4.2 
      1  1.2.4.2  fvdl /*	$NetBSD: pciio.h,v 1.2.4.2 2001/10/01 12:46:03 fvdl Exp $	*/
      2  1.2.4.2  fvdl 
      3  1.2.4.2  fvdl /*
      4  1.2.4.2  fvdl  * Copyright 2001 Wasabi Systems, Inc.
      5  1.2.4.2  fvdl  * All rights reserved.
      6  1.2.4.2  fvdl  *
      7  1.2.4.2  fvdl  * Written by Jason R. Thorpe for Wasabi Systems, Inc.
      8  1.2.4.2  fvdl  *
      9  1.2.4.2  fvdl  * Redistribution and use in source and binary forms, with or without
     10  1.2.4.2  fvdl  * modification, are permitted provided that the following conditions
     11  1.2.4.2  fvdl  * are met:
     12  1.2.4.2  fvdl  * 1. Redistributions of source code must retain the above copyright
     13  1.2.4.2  fvdl  *    notice, this list of conditions and the following disclaimer.
     14  1.2.4.2  fvdl  * 2. Redistributions in binary form must reproduce the above copyright
     15  1.2.4.2  fvdl  *    notice, this list of conditions and the following disclaimer in the
     16  1.2.4.2  fvdl  *    documentation and/or other materials provided with the distribution.
     17  1.2.4.2  fvdl  * 3. All advertising materials mentioning features or use of this software
     18  1.2.4.2  fvdl  *    must display the following acknowledgement:
     19  1.2.4.2  fvdl  *	This product includes software developed for the NetBSD Project by
     20  1.2.4.2  fvdl  *	Wasabi Systems, Inc.
     21  1.2.4.2  fvdl  * 4. The name of Wasabi Systems, Inc. may not be used to endorse
     22  1.2.4.2  fvdl  *    or promote products derived from this software without specific prior
     23  1.2.4.2  fvdl  *    written permission.
     24  1.2.4.2  fvdl  *
     25  1.2.4.2  fvdl  * THIS SOFTWARE IS PROVIDED BY WASABI SYSTEMS, INC. ``AS IS'' AND
     26  1.2.4.2  fvdl  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
     27  1.2.4.2  fvdl  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
     28  1.2.4.2  fvdl  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL WASABI SYSTEMS, INC
     29  1.2.4.2  fvdl  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
     30  1.2.4.2  fvdl  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
     31  1.2.4.2  fvdl  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
     32  1.2.4.2  fvdl  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
     33  1.2.4.2  fvdl  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
     34  1.2.4.2  fvdl  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
     35  1.2.4.2  fvdl  * POSSIBILITY OF SUCH DAMAGE.
     36  1.2.4.2  fvdl  */
     37  1.2.4.2  fvdl 
     38  1.2.4.2  fvdl #ifndef _DEV_PCI_PCIIO_H_
     39  1.2.4.2  fvdl #define	_DEV_PCI_PCIIO_H_
     40  1.2.4.2  fvdl 
     41  1.2.4.2  fvdl /*
     42  1.2.4.2  fvdl  * User -> kernel interface for PCI bus access.
     43  1.2.4.2  fvdl  */
     44  1.2.4.2  fvdl 
     45  1.2.4.2  fvdl #include <sys/ioccom.h>
     46  1.2.4.2  fvdl 
     47  1.2.4.2  fvdl /*
     48  1.2.4.2  fvdl  * pciio_cfgreg:
     49  1.2.4.2  fvdl  *
     50  1.2.4.2  fvdl  *	Representation of a PCI config space register.
     51  1.2.4.2  fvdl  */
     52  1.2.4.2  fvdl struct pciio_cfgreg {
     53  1.2.4.2  fvdl 	u_int	 reg;	/* offset into PCI configuration space */
     54  1.2.4.2  fvdl 	uint32_t val;	/* value of the register */
     55  1.2.4.2  fvdl };
     56  1.2.4.2  fvdl 
     57  1.2.4.2  fvdl /*
     58  1.2.4.2  fvdl  * Read and write PCI configuration space registers on a
     59  1.2.4.2  fvdl  * specific device.
     60  1.2.4.2  fvdl  */
     61  1.2.4.2  fvdl #define	PCI_IOC_CFGREAD		_IOWR('P', 0, struct pciio_cfgreg)
     62  1.2.4.2  fvdl #define	PCI_IOC_CFGWRITE	 _IOW('P', 1, struct pciio_cfgreg)
     63  1.2.4.2  fvdl 
     64  1.2.4.2  fvdl /*
     65  1.2.4.2  fvdl  * pciio_bdf_cfgreg:
     66  1.2.4.2  fvdl  *
     67  1.2.4.2  fvdl  *	Like pciio_cfgreg, except for any bus/dev/func within
     68  1.2.4.2  fvdl  *	a given PCI domain.
     69  1.2.4.2  fvdl  */
     70  1.2.4.2  fvdl struct pciio_bdf_cfgreg {
     71  1.2.4.2  fvdl 	u_int	bus;
     72  1.2.4.2  fvdl 	u_int	device;
     73  1.2.4.2  fvdl 	u_int	function;
     74  1.2.4.2  fvdl 	struct pciio_cfgreg cfgreg;
     75  1.2.4.2  fvdl };
     76  1.2.4.2  fvdl 
     77  1.2.4.2  fvdl /*
     78  1.2.4.2  fvdl  * Read and write PCI configuration space registers on any
     79  1.2.4.2  fvdl  * device within a given PCI domain.
     80  1.2.4.2  fvdl  */
     81  1.2.4.2  fvdl #define	PCI_IOC_BDF_CFGREAD	_IOWR('P', 2, struct pciio_bdf_cfgreg)
     82  1.2.4.2  fvdl #define	PCI_IOC_BDF_CFGWRITE	 _IOW('P', 3, struct pciio_bdf_cfgreg)
     83  1.2.4.2  fvdl 
     84  1.2.4.2  fvdl /*
     85  1.2.4.2  fvdl  * pciio_businfo:
     86  1.2.4.2  fvdl  *
     87  1.2.4.2  fvdl  *	Information for a PCI bus (autconfiguration node) instance.
     88  1.2.4.2  fvdl  */
     89  1.2.4.2  fvdl struct pciio_businfo {
     90  1.2.4.2  fvdl 	u_int	busno;		/* bus number */
     91  1.2.4.2  fvdl 	u_int	maxdevs;	/* max devices on bus */
     92  1.2.4.2  fvdl };
     93  1.2.4.2  fvdl 
     94  1.2.4.2  fvdl #define	PCI_IOC_BUSINFO		 _IOR('P', 4, struct pciio_businfo)
     95  1.2.4.2  fvdl 
     96  1.2.4.2  fvdl #endif /* _DEV_PCI_PCIIO_H_ */
     97