1 /* $NetBSD: bootinfo.h,v 1.5 2004/03/24 17:06:58 drochner 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 * 16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 17 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 18 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 19 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 20 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 21 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 22 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 23 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 24 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 25 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 26 * 27 */ 28 29 #ifndef _LOCORE 30 31 struct btinfo_common { 32 int len; 33 int type; 34 }; 35 36 #define BTINFO_BOOTPATH 0 37 #define BTINFO_BOOTDISK 3 38 #define BTINFO_NETIF 4 39 #define BTINFO_CONSOLE 6 40 #define BTINFO_BIOSGEOM 7 41 #define BTINFO_SYMTAB 8 42 #define BTINFO_MEMMAP 9 43 44 struct btinfo_bootpath { 45 struct btinfo_common common; 46 char bootpath[80]; 47 }; 48 49 struct btinfo_bootdisk { 50 struct btinfo_common common; 51 int labelsector; /* label valid if != -1 */ 52 struct { 53 u_int16_t type, checksum; 54 char packname[16]; 55 } label; 56 int biosdev; 57 int partition; 58 }; 59 60 struct btinfo_netif { 61 struct btinfo_common common; 62 char ifname[16]; 63 int bus; 64 #define BI_BUS_ISA 0 65 #define BI_BUS_PCI 1 66 union { 67 unsigned int iobase; /* ISA */ 68 unsigned int tag; /* PCI, BIOS format */ 69 } addr; 70 }; 71 72 struct btinfo_console { 73 struct btinfo_common common; 74 char devname[16]; 75 int addr; 76 int speed; 77 }; 78 79 struct btinfo_symtab { 80 struct btinfo_common common; 81 int nsym; 82 int ssym; 83 int esym; 84 }; 85 86 struct bi_memmap_entry { 87 u_int64_t addr; /* beginning of block */ /* 8 */ 88 u_int64_t size; /* size of block */ /* 8 */ 89 u_int32_t type; /* type of block */ /* 4 */ 90 } __attribute__((packed)); /* == 20 */ 91 92 #define BIM_Memory 1 /* available RAM usable by OS */ 93 #define BIM_Reserved 2 /* in use or reserved by the system */ 94 #define BIM_ACPI 3 /* ACPI Reclaim memory */ 95 #define BIM_NVS 4 /* ACPI NVS memory */ 96 97 struct btinfo_memmap { 98 struct btinfo_common common; 99 int num; 100 struct bi_memmap_entry entry[1]; /* var len */ 101 }; 102 103 #include <sys/bootblock.h> 104 105 /* 106 * Structure describing disk info as seen by the BIOS. 107 */ 108 struct bi_biosgeom_entry { 109 int sec, head, cyl; /* geometry */ 110 u_int64_t totsec; /* LBA sectors from ext int13 */ 111 int flags, dev; /* flags, BIOS device # */ 112 #define BI_GEOM_INVALID 0x000001 113 #define BI_GEOM_EXTINT13 0x000002 114 #ifdef BIOSDISK_EXT13INFO_V3 115 #define BI_GEOM_BADCKSUM 0x000004 /* v3.x checksum invalid */ 116 #define BI_GEOM_BUS_MASK 0x00ff00 /* connecting bus type */ 117 #define BI_GEOM_BUS_ISA 0x000100 118 #define BI_GEOM_BUS_PCI 0x000200 119 #define BI_GEOM_BUS_OTHER 0x00ff00 120 #define BI_GEOM_IFACE_MASK 0xff0000 /* interface type */ 121 #define BI_GEOM_IFACE_ATA 0x010000 122 #define BI_GEOM_IFACE_ATAPI 0x020000 123 #define BI_GEOM_IFACE_SCSI 0x030000 124 #define BI_GEOM_IFACE_USB 0x040000 125 #define BI_GEOM_IFACE_1394 0x050000 /* Firewire */ 126 #define BI_GEOM_IFACE_FIBRE 0x060000 /* Fibre channel */ 127 #define BI_GEOM_IFACE_OTHER 0xff0000 128 unsigned int cksum; /* MBR checksum */ 129 u_int interface_path; /* ISA iobase PCI bus/dev/fun */ 130 u_int64_t device_path; 131 int res0; /* future expansion; 0 now */ 132 #else 133 unsigned int cksum; /* MBR checksum */ 134 int res0, res1, res2, res3; /* future expansion; 0 now */ 135 #endif 136 struct mbr_partition dosparts[MBR_PART_COUNT]; /* MBR itself */ 137 } __attribute__((packed)); 138 139 struct btinfo_biosgeom { 140 struct btinfo_common common; 141 int num; 142 struct bi_biosgeom_entry disk[1]; /* var len */ 143 }; 144 145 #ifdef _KERNEL 146 void *lookup_bootinfo(int); 147 #endif 148 #endif /* _LOCORE */ 149 150 #ifdef _KERNEL 151 #define BOOTINFO_MAXSIZE 4096 152 #endif 153