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Annotation of src/sys/arch/x86/include/bootinfo.h, Revision 1.11.46.1

1.11.46.1! matt        1: /*     $NetBSD: bootinfo.h,v 1.11 2006/02/03 11:08:24 jmmv Exp $       */
1.1       fvdl        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:
1.6       thorpej    36: #define BTINFO_BOOTPATH                0
1.11      jmmv       37: #define BTINFO_ROOTDEVICE      1
1.6       thorpej    38: #define BTINFO_BOOTDISK                3
                     39: #define BTINFO_NETIF           4
                     40: #define BTINFO_CONSOLE         6
                     41: #define BTINFO_BIOSGEOM                7
                     42: #define BTINFO_SYMTAB          8
                     43: #define BTINFO_MEMMAP          9
                     44: #define        BTINFO_BOOTWEDGE        10
1.1       fvdl       45:
                     46: struct btinfo_bootpath {
                     47:        struct btinfo_common common;
                     48:        char bootpath[80];
                     49: };
                     50:
1.11      jmmv       51: struct btinfo_rootdevice {
                     52:        struct btinfo_common common;
                     53:        char devname[16];
                     54: };
                     55:
1.1       fvdl       56: struct btinfo_bootdisk {
                     57:        struct btinfo_common common;
                     58:        int labelsector; /* label valid if != -1 */
                     59:        struct {
1.9       junyoung   60:                uint16_t type, checksum;
1.1       fvdl       61:                char packname[16];
                     62:        } label;
                     63:        int biosdev;
                     64:        int partition;
                     65: };
                     66:
1.6       thorpej    67: struct btinfo_bootwedge {
                     68:        struct btinfo_common common;
                     69:        int biosdev;
                     70:        daddr_t startblk;
                     71:        uint64_t nblks;
                     72:        daddr_t matchblk;
                     73:        uint64_t matchnblks;
                     74:        uint8_t matchhash[16];  /* MD5 hash */
1.11.46.1! matt       75: } __packed;
1.6       thorpej    76:
1.1       fvdl       77: struct btinfo_netif {
                     78:        struct btinfo_common common;
                     79:        char ifname[16];
                     80:        int bus;
                     81: #define BI_BUS_ISA 0
                     82: #define BI_BUS_PCI 1
                     83:        union {
                     84:                unsigned int iobase; /* ISA */
                     85:                unsigned int tag; /* PCI, BIOS format */
                     86:        } addr;
                     87: };
                     88:
                     89: struct btinfo_console {
                     90:        struct btinfo_common common;
                     91:        char devname[16];
                     92:        int addr;
                     93:        int speed;
                     94: };
                     95:
                     96: struct btinfo_symtab {
                     97:        struct btinfo_common common;
                     98:        int nsym;
                     99:        int ssym;
                    100:        int esym;
                    101: };
                    102:
                    103: struct bi_memmap_entry {
1.9       junyoung  104:        uint64_t addr;          /* beginning of block */        /* 8 */
                    105:        uint64_t size;          /* size of block */             /* 8 */
                    106:        uint32_t type;          /* type of block */             /* 4 */
1.11.46.1! matt      107: } __packed;                            /*      == 20 */
1.1       fvdl      108:
                    109: #define        BIM_Memory      1       /* available RAM usable by OS */
                    110: #define        BIM_Reserved    2       /* in use or reserved by the system */
                    111: #define        BIM_ACPI        3       /* ACPI Reclaim memory */
                    112: #define        BIM_NVS         4       /* ACPI NVS memory */
                    113:
                    114: struct btinfo_memmap {
                    115:        struct btinfo_common common;
                    116:        int num;
                    117:        struct bi_memmap_entry entry[1]; /* var len */
                    118: };
                    119:
1.8       dyoung    120: #if HAVE_NBTOOL_CONFIG_H
                    121: #include <nbinclude/sys/bootblock.h>
                    122: #else
1.3       lukem     123: #include <sys/bootblock.h>
1.8       dyoung    124: #endif /* HAVE_NBTOOL_CONFIG_H */
1.1       fvdl      125:
                    126: /*
                    127:  * Structure describing disk info as seen by the BIOS.
                    128:  */
                    129: struct bi_biosgeom_entry {
1.2       dsl       130:        int             sec, head, cyl;         /* geometry */
1.9       junyoung  131:        uint64_t        totsec;                 /* LBA sectors from ext int13 */
1.2       dsl       132:        int             flags, dev;             /* flags, BIOS device # */
                    133: #define BI_GEOM_INVALID                0x000001
                    134: #define BI_GEOM_EXTINT13       0x000002
1.9       junyoung  135: #ifdef BIOSDISK_EXTINFO_V3
1.2       dsl       136: #define BI_GEOM_BADCKSUM       0x000004        /* v3.x checksum invalid */
                    137: #define BI_GEOM_BUS_MASK       0x00ff00        /* connecting bus type */
                    138: #define BI_GEOM_BUS_ISA                0x000100
                    139: #define BI_GEOM_BUS_PCI                0x000200
                    140: #define BI_GEOM_BUS_OTHER      0x00ff00
                    141: #define BI_GEOM_IFACE_MASK     0xff0000        /* interface type */
                    142: #define BI_GEOM_IFACE_ATA      0x010000
                    143: #define BI_GEOM_IFACE_ATAPI    0x020000
                    144: #define BI_GEOM_IFACE_SCSI     0x030000
                    145: #define BI_GEOM_IFACE_USB      0x040000
                    146: #define BI_GEOM_IFACE_1394     0x050000        /* Firewire */
                    147: #define BI_GEOM_IFACE_FIBRE    0x060000        /* Fibre channel */
1.9       junyoung  148: #define BI_GEOM_IFACE_OTHER    0xff0000
1.2       dsl       149:        unsigned int    cksum;                  /* MBR checksum */
1.9       junyoung  150:        unsigned int    interface_path;         /* ISA iobase PCI bus/dev/fun */
                    151:        uint64_t        device_path;
1.2       dsl       152:        int             res0;                   /* future expansion; 0 now */
                    153: #else
                    154:        unsigned int    cksum;                  /* MBR checksum */
                    155:        int             res0, res1, res2, res3; /* future expansion; 0 now */
                    156: #endif
1.3       lukem     157:        struct mbr_partition dosparts[MBR_PART_COUNT]; /* MBR itself */
1.11.46.1! matt      158: } __packed;
1.1       fvdl      159:
                    160: struct btinfo_biosgeom {
                    161:        struct btinfo_common common;
                    162:        int num;
                    163:        struct bi_biosgeom_entry disk[1]; /* var len */
                    164: };
                    165:
1.10      jmmv      166: #endif /* _LOCORE */
                    167:
1.1       fvdl      168: #ifdef _KERNEL
1.10      jmmv      169:
                    170: #define BOOTINFO_MAXSIZE 4096
                    171:
                    172: #ifndef _LOCORE
                    173: /*
                    174:  * Structure that holds the information passed by the boot loader.
                    175:  */
                    176: struct bootinfo {
                    177:        /* Number of bootinfo_* entries in bi_data. */
                    178:        uint32_t        bi_nentries;
                    179:
                    180:        /* Raw data of bootinfo entries.  The first one (if any) is
                    181:         * found at bi_data[0] and can be casted to (bootinfo_common *).
                    182:         * Once this is done, the following entry is found at 'len'
                    183:         * offset as specified by the previous entry. */
                    184:        uint8_t         bi_data[BOOTINFO_MAXSIZE - sizeof(uint32_t)];
                    185: };
                    186:
1.4       junyoung  187: void *lookup_bootinfo(int);
1.1       fvdl      188: #endif /* _LOCORE */
                    189:
1.10      jmmv      190: #endif /* _KERNEL */

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