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/* $NetBSD: pciio.h,v 1.4 2014/07/25 01:38:26 mrg Exp $ */
/*
* Copyright 2001 Wasabi Systems, Inc.
* All rights reserved.
*
* Written by Jason R. Thorpe for Wasabi Systems, Inc.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed for the NetBSD Project by
* Wasabi Systems, Inc.
* 4. The name of Wasabi Systems, Inc. may not be used to endorse
* or promote products derived from this software without specific prior
* written permission.
*
* THIS SOFTWARE IS PROVIDED BY WASABI SYSTEMS, INC. ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL WASABI SYSTEMS, INC
* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef _DEV_PCI_PCIIO_H_
#define _DEV_PCI_PCIIO_H_
/*
* User -> kernel interface for PCI bus access.
*/
#include <sys/ioccom.h>
/*
* pciio_cfgreg:
*
* Representation of a PCI config space register.
*/
struct pciio_cfgreg {
u_int reg; /* offset into PCI configuration space */
uint32_t val; /* value of the register */
};
/*
* Read and write PCI configuration space registers on a
* specific device.
*/
#define PCI_IOC_CFGREAD _IOWR('P', 0, struct pciio_cfgreg)
#define PCI_IOC_CFGWRITE _IOW('P', 1, struct pciio_cfgreg)
/*
* pciio_bdf_cfgreg:
*
* Like pciio_cfgreg, except for any bus/dev/func within
* a given PCI domain.
*/
struct pciio_bdf_cfgreg {
u_int bus;
u_int device;
u_int function;
struct pciio_cfgreg cfgreg;
};
/*
* Read and write PCI configuration space registers on any
* device within a given PCI domain.
*/
#define PCI_IOC_BDF_CFGREAD _IOWR('P', 2, struct pciio_bdf_cfgreg)
#define PCI_IOC_BDF_CFGWRITE _IOW('P', 3, struct pciio_bdf_cfgreg)
/*
* pciio_businfo:
*
* Information for a PCI bus (autoconfiguration node) instance.
*/
struct pciio_businfo {
u_int busno; /* bus number */
u_int maxdevs; /* max devices on bus */
};
#define PCI_IOC_BUSINFO _IOR('P', 4, struct pciio_businfo)
/*
* pciio_drvname:
*
* Driver info for a PCI device (autoconfiguration node) instance.
* Must be run on the correct bus.
*/
#define PCI_IO_DRVNAME_LEN 16
struct pciio_drvname {
u_int device; /* in: device number */
u_int function; /* in: function number */
char name[PCI_IO_DRVNAME_LEN];
};
#define PCI_IOC_DRVNAME _IOWR('P', 5, struct pciio_drvname)
#if defined(__minix)
struct pciio_map {
int flags; /* reserved, must be 0 */
u_int phys_offset;
size_t size;
int readonly;
char reserved[36]; /* reserved, must be 0 */
void *vaddr;
void *vaddr_ret;
};
#define PCI_IOC_MAP _IOWR('P', 100, struct pciio_map)
#define PCI_IOC_UNMAP _IOW('P', 101, struct pciio_map)
struct pciio_acl {
u_int domain;
u_int bus;
u_int device;
u_int function;
};
#define PCI_IOC_RESERVE _IOW('P', 102, struct pciio_acl)
#define PCI_IOC_RELEASE _IOW('P', 103, struct pciio_acl)
#endif /* defined(__minix) */
#endif /* _DEV_PCI_PCIIO_H_ */
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