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pcipnp.h revision 1.1 
      1 /* $NetBSD: pcipnp.h,v 1.1 2006/05/30 23:56:38 garbled 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  * 3. All advertising materials mentioning features or use of this software
     18  *    must display the following acknowledgement:
     19  *        This product includes software developed by the NetBSD
     20  *        Foundation, Inc. and its contributors.
     21  * 4. Neither the name of The NetBSD Foundation nor the names of its
     22  *    contributors may be used to endorse or promote products derived
     23  *    from this software without specific prior written permission.
     24  *
     25  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
     26  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
     27  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
     28  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
     29  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
     30  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
     31  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
     32  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
     33  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
     34  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
     35  * POSSIBILITY OF SUCH DAMAGE.
     36  */
     37 /*
     38  * Based on:
     39  * IBM Power Personal Systems Architecture: Residual Data
     40  * Document Number: PPS-AR-FW0001 Rev 0.5  April 3, 1996
     41  */
     42 
     43 #ifndef _PCIPNP_H_
     44 #define _PCIPNP_H_
     45 
     46 #define MAX_PCI_INTRS	4
     47 
     48 typedef enum _IntrTypes {
     49 	IntrInvalid = 0,
     50 	Intr8259 = 1,
     51 	IntrMPIC = 2,
     52 	IntrRS6K = 3
     53 } _IntrTypes;
     54 
     55 /* PCI to system conversion map */
     56 typedef struct _IntrMap {
     57 	uint8_t slotnum;		/* First = 1, integrated = 0 */
     58 	uint8_t devfunc;
     59 	uint8_t intrctrltype;		/* interrupt type */
     60 	uint8_t intrctrlnum;		/* 8259 = 0
     61 					 * MPIC = 1
     62 					 * RS6K = buid ???? */
     63 	uint16_t intr[MAX_PCI_INTRS];	/* Index 0-3 == A-D
     64 					 * 0xFFFF == not usable
     65 					 * 0x8nnn == edge sensitive
     66 					 */
     67 } IntrMap;
     68 
     69 typedef struct _PCIInfoPack {
     70 	uint8_t tag;			/* large tag = 0x84 */
     71 	uint8_t count0;
     72 	uint8_t count1;
     73 	  /* count = number of PCI slots * sizeof(IntrMap) + 21 */
     74 	uint8_t type;			/* == 3 PCI Bridge */
     75 	uint8_t configbaseaddr[8];	/* Base addr of PCI configuration
     76 					 *   system real address */
     77 	uint8_t configbasedata[8];	/* base addr of PCI config data
     78 					 *   system real address */
     79 	uint8_t busnum;			/* PCI Bus Number */
     80 	uint8_t reserved[3];		/* reserved, padded with 0 */
     81 	IntrMap map[1];			/* Interrupt map array for each PCI
     82 					 * slots that are pluggable.
     83 					 * number = (count-21)/sizeof(IntrMap)*/
     84 } PCIInfoPack;
     85 
     86 #endif /* _PCIPNP_H_ */
     87