80 lines
2.8 KiB
C
80 lines
2.8 KiB
C
/* $NetBSD: pcipnp.h,v 1.2 2008/04/28 20:23:33 martin Exp $ */
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/*-
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* Copyright (c) 2006 The NetBSD Foundation, Inc.
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* All rights reserved.
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*
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* This code is derived from software contributed to The NetBSD Foundation
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* by Tim Rightnour
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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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*
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* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
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* ``AS IS'' AND 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 THE FOUNDATION OR CONTRIBUTORS
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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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/*
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* Based on:
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* IBM Power Personal Systems Architecture: Residual Data
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* Document Number: PPS-AR-FW0001 Rev 0.5 April 3, 1996
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*/
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#ifndef _PCIPNP_H_
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#define _PCIPNP_H_
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#define MAX_PCI_INTRS 4
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typedef enum _IntrTypes {
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IntrInvalid = 0,
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Intr8259 = 1,
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IntrMPIC = 2,
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IntrRS6K = 3
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} _IntrTypes;
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/* PCI to system conversion map */
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typedef struct _IntrMap {
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uint8_t slotnum; /* First = 1, integrated = 0 */
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uint8_t devfunc;
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uint8_t intrctrltype; /* interrupt type */
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uint8_t intrctrlnum; /* 8259 = 0
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* MPIC = 1
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* RS6K = buid ???? */
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uint16_t intr[MAX_PCI_INTRS]; /* Index 0-3 == A-D
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* 0xFFFF == not usable
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* 0x8nnn == edge sensitive
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*/
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} IntrMap;
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typedef struct _PCIInfoPack {
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uint8_t tag; /* large tag = 0x84 */
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uint8_t count0;
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uint8_t count1;
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/* count = number of PCI slots * sizeof(IntrMap) + 21 */
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uint8_t type; /* == 3 PCI Bridge */
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uint8_t configbaseaddr[8]; /* Base addr of PCI configuration
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* system real address */
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uint8_t configbasedata[8]; /* base addr of PCI config data
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* system real address */
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uint8_t busnum; /* PCI Bus Number */
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uint8_t reserved[3]; /* reserved, padded with 0 */
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IntrMap map[1]; /* Interrupt map array for each PCI
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* slots that are pluggable.
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* number = (count-21)/sizeof(IntrMap)*/
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} PCIInfoPack;
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#endif /* _PCIPNP_H_ */
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