1 /* $NetBSD: bootinfo.h,v 1.8 2000/06/02 18:27:47 thorpej Exp $ */ 2 3 /* 4 * Copyright (c) 1997 5 * Matthias Drochner. All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 3. All advertising materials mentioning features or use of this software 16 * must display the following acknowledgement: 17 * This product includes software developed for the NetBSD Project 18 * by Matthias Drochner. 19 * 4. The name of the author may not be used to endorse or promote products 20 * derived from this software without specific prior written permission. 21 * 22 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 23 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 24 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 25 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 26 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 27 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 28 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 29 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 30 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 31 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 32 * 33 */ 34 35 #ifndef _LOCORE 36 37 struct btinfo_common { 38 int len; 39 int type; 40 }; 41 42 #define BTINFO_BOOTPATH 0 43 #define BTINFO_BOOTDISK 3 44 #define BTINFO_NETIF 4 45 #define BTINFO_CONSOLE 6 46 #define BTINFO_BIOSGEOM 7 47 #define BTINFO_SYMTAB 8 48 #define BTINFO_MEMMAP 9 49 50 struct btinfo_bootpath { 51 struct btinfo_common common; 52 char bootpath[80]; 53 }; 54 55 struct btinfo_bootdisk { 56 struct btinfo_common common; 57 int labelsector; /* label valid if != -1 */ 58 struct { 59 u_int16_t type, checksum; 60 char packname[16]; 61 } label; 62 int biosdev; 63 int partition; 64 }; 65 66 struct btinfo_netif { 67 struct btinfo_common common; 68 char ifname[16]; 69 int bus; 70 #define BI_BUS_ISA 0 71 #define BI_BUS_PCI 1 72 union { 73 unsigned int iobase; /* ISA */ 74 unsigned int tag; /* PCI, BIOS format */ 75 } addr; 76 }; 77 78 struct btinfo_console { 79 struct btinfo_common common; 80 char devname[16]; 81 int addr; 82 int speed; 83 }; 84 85 struct btinfo_symtab { 86 struct btinfo_common common; 87 int nsym; 88 int ssym; 89 int esym; 90 }; 91 92 struct bi_memmap_entry { 93 u_int64_t addr; /* beginning of block */ /* 8 */ 94 u_int64_t size; /* size of block */ /* 8 */ 95 u_int32_t type; /* type of block */ /* 4 */ 96 }; /* == 20 */ 97 98 #define BIM_Memory 1 /* available RAM usable by OS */ 99 #define BIM_Reserved 2 /* in use or reserved by the system */ 100 #define BIM_ACPI 3 /* ACPI Reclaim memory */ 101 #define BIM_NVS 4 /* ACPI NVS memory */ 102 103 struct btinfo_memmap { 104 struct btinfo_common common; 105 int num; 106 struct bi_memmap_entry entry[1]; /* var len */ 107 }; 108 109 #include <sys/disklabel_mbr.h> 110 111 /* 112 * Structure describing disk info as seen by the BIOS. 113 */ 114 struct bi_biosgeom_entry { 115 int sec, head, cyl; /* geometry */ 116 u_int64_t totsec; /* LBA sectors from ext int13 */ 117 int flags, dev; /* flags, BIOS device # */ 118 #define BI_GEOM_INVALID 0x01 119 #define BI_GEOM_EXTINT13 0x02 120 unsigned int cksum; /* MBR checksum */ 121 int res0, res1, res2, res3; /* future expansion; 0 now */ 122 struct mbr_partition dosparts[NMBRPART]; /* MBR itself */ 123 }; 124 125 struct btinfo_biosgeom { 126 struct btinfo_common common; 127 int num; 128 struct bi_biosgeom_entry disk[1]; /* var len */ 129 }; 130 131 #ifdef _KERNEL 132 void *lookup_bootinfo __P((int)); 133 #endif 134 #endif /* _LOCORE */ 135 136 #ifdef _KERNEL 137 #define BOOTINFO_MAXSIZE 4096 138 #endif 139