1 /* $NetBSD: pcipnp.h,v 1.2 2008/04/28 20:23:33 martin Exp $ */ 2 /*- 3 * Copyright (c) 2006 The NetBSD Foundation, Inc. 4 * All rights reserved. 5 * 6 * This code is derived from software contributed to The NetBSD Foundation 7 * by Tim Rightnour 8 * 9 * Redistribution and use in source and binary forms, with or without 10 * modification, are permitted provided that the following conditions 11 * are met: 12 * 1. Redistributions of source code must retain the above copyright 13 * notice, this list of conditions and the following disclaimer. 14 * 2. Redistributions in binary form must reproduce the above copyright 15 * notice, this list of conditions and the following disclaimer in the 16 * documentation and/or other materials provided with the distribution. 17 * 18 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 19 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 20 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 21 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 22 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 23 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 24 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 25 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 26 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 27 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 28 * POSSIBILITY OF SUCH DAMAGE. 29 */ 30 /* 31 * Based on: 32 * IBM Power Personal Systems Architecture: Residual Data 33 * Document Number: PPS-AR-FW0001 Rev 0.5 April 3, 1996 34 */ 35 36 #ifndef _PCIPNP_H_ 37 #define _PCIPNP_H_ 38 39 #define MAX_PCI_INTRS 4 40 41 typedef enum _IntrTypes { 42 IntrInvalid = 0, 43 Intr8259 = 1, 44 IntrMPIC = 2, 45 IntrRS6K = 3 46 } _IntrTypes; 47 48 /* PCI to system conversion map */ 49 typedef struct _IntrMap { 50 uint8_t slotnum; /* First = 1, integrated = 0 */ 51 uint8_t devfunc; 52 uint8_t intrctrltype; /* interrupt type */ 53 uint8_t intrctrlnum; /* 8259 = 0 54 * MPIC = 1 55 * RS6K = buid ???? */ 56 uint16_t intr[MAX_PCI_INTRS]; /* Index 0-3 == A-D 57 * 0xFFFF == not usable 58 * 0x8nnn == edge sensitive 59 */ 60 } IntrMap; 61 62 typedef struct _PCIInfoPack { 63 uint8_t tag; /* large tag = 0x84 */ 64 uint8_t count0; 65 uint8_t count1; 66 /* count = number of PCI slots * sizeof(IntrMap) + 21 */ 67 uint8_t type; /* == 3 PCI Bridge */ 68 uint8_t configbaseaddr[8]; /* Base addr of PCI configuration 69 * system real address */ 70 uint8_t configbasedata[8]; /* base addr of PCI config data 71 * system real address */ 72 uint8_t busnum; /* PCI Bus Number */ 73 uint8_t reserved[3]; /* reserved, padded with 0 */ 74 IntrMap map[1]; /* Interrupt map array for each PCI 75 * slots that are pluggable. 76 * number = (count-21)/sizeof(IntrMap)*/ 77 } PCIInfoPack; 78 79 #endif /* _PCIPNP_H_ */ 80