120 lines
3.6 KiB
C
120 lines
3.6 KiB
C
/* $NetBSD: pciio.h,v 1.3 2009/06/06 12:56:43 cegger 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)
|
|
|
|
#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_ */
|