projects / thirdparty / util-linux.git / blame
| Commit | Line | Data |
|---|---|---|
| 5c36a0eb KZ |
1 | #include <linux/types.h> /* for __u32 etc */ |
| 2 | /* | |
| 3 | * Copyright (C) Andreas Neuper, Sep 1998. | |
| 4 | * This file may be modified and redistributed under | |
| 5 | * the terms of the GNU Public License. | |
| 6 | */ | |
| 7 | ||
| 8 | struct device_parameter { /* 48 bytes */ | |
| 9 | unsigned char skew; | |
| 10 | unsigned char gap1; | |
| 11 | unsigned char gap2; | |
| 12 | unsigned char sparecyl; | |
| 13 | unsigned short pcylcount; | |
| 14 | unsigned short head_vol0; | |
| 15 | unsigned short ntrks; /* tracks in cyl 0 or vol 0 */ | |
| 16 | unsigned char cmd_tag_queue_depth; | |
| 17 | unsigned char unused0; | |
| 18 | unsigned short unused1; | |
| 19 | unsigned short nsect; /* sectors/tracks in cyl 0 or vol 0 */ | |
| 20 | unsigned short bytes; | |
| 21 | unsigned short ilfact; | |
| 22 | unsigned int flags; /* controller flags */ | |
| 23 | unsigned int datarate; | |
| 24 | unsigned int retries_on_error; | |
| 25 | unsigned int ms_per_word; | |
| 26 | unsigned short xylogics_gap1; | |
| 27 | unsigned short xylogics_syncdelay; | |
| 28 | unsigned short xylogics_readdelay; | |
| 29 | unsigned short xylogics_gap2; | |
| 30 | unsigned short xylogics_readgate; | |
| 31 | unsigned short xylogics_writecont; | |
| 32 | }; | |
| 33 | ||
| 34 | #define SGI_VOLUME 0x06 | |
| 35 | #define SGI_EFS 0x07 | |
| 36 | #define SGI_SWAP 0x03 | |
| 37 | #define SGI_VOLHDR 0x00 | |
| 38 | #define ENTIRE_DISK SGI_VOLUME | |
| 39 | /* | |
| 40 | * controller flags | |
| 41 | */ | |
| 42 | #define SECTOR_SLIP 0x01 | |
| 43 | #define SECTOR_FWD 0x02 | |
| 44 | #define TRACK_FWD 0x04 | |
| 45 | #define TRACK_MULTIVOL 0x08 | |
| 46 | #define IGNORE_ERRORS 0x10 | |
| 47 | #define RESEEK 0x20 | |
| 48 | #define ENABLE_CMDTAGQ 0x40 | |
| 49 | ||
| 50 | typedef struct { | |
| 51 | unsigned int magic; /* expect SGI_LABEL_MAGIC */ | |
| 52 | unsigned short boot_part; /* active boot partition */ | |
| 53 | unsigned short swap_part; /* active swap partition */ | |
| 54 | unsigned char boot_file[16]; /* name of the bootfile */ | |
| 55 | struct device_parameter devparam; /* 1 * 48 bytes */ | |
| 56 | struct volume_directory { /* 15 * 16 bytes */ | |
| 57 | unsigned char vol_file_name[8]; /* an character array */ | |
| 58 | unsigned int vol_file_start; /* number of logical block */ | |
| 59 | unsigned int vol_file_size; /* number of bytes */ | |
| 60 | } directory[15]; | |
| 61 | struct sgi_partition { /* 16 * 12 bytes */ | |
| 62 | unsigned int num_sectors; /* number of blocks */ | |
| 63 | unsigned int start_sector; /* sector must be cylinder aligned */ | |
| 64 | unsigned int id; | |
| 65 | } partitions[16]; | |
| 66 | unsigned int csum; | |
| 67 | unsigned int fillbytes; | |
| 68 | } sgi_partition; | |
| 69 | ||
| 70 | typedef struct { | |
| 71 | unsigned int magic; /* looks like a magic number */ | |
| 72 | unsigned int a2; | |
| 73 | unsigned int a3; | |
| 74 | unsigned int a4; | |
| 75 | unsigned int b1; | |
| 76 | unsigned short b2; | |
| 77 | unsigned short b3; | |
| 78 | unsigned int c[16]; | |
| 79 | unsigned short d[3]; | |
| 80 | unsigned char scsi_string[50]; | |
| 81 | unsigned char serial[137]; | |
| 82 | unsigned short check1816; | |
| 83 | unsigned char installer[225]; | |
| 84 | } sgiinfo; | |
| 85 | ||
| 86 | #define SGI_LABEL_MAGIC 0x0be5a941 | |
| 87 | #define SGI_LABEL_MAGIC_SWAPPED 0x41a9e50b | |
| 88 | #define SGI_INFO_MAGIC 0x00072959 | |
| 89 | #define SGI_INFO_MAGIC_SWAPPED 0x59290700 | |
| 90 | #define SSWAP16(x) (other_endian ? __swap16(x) \ | |
| 91 | : (__u16)(x)) | |
| 92 | #define SSWAP32(x) (other_endian ? __swap32(x) \ | |
| 93 | : (__u32)(x)) | |
| 5c36a0eb KZ |
94 | |
| 95 | /* fdisk.c */ | |
| 96 | #define sgilabel ((sgi_partition *)buffer) | |
| 97 | #define sgiparam (sgilabel->devparam) | |
| 98 | extern char buffer[MAX_SECTOR_SIZE]; | |
| 99 | extern char changed[MAXIMUM_PARTS]; | |
| 100 | extern uint heads, sectors, cylinders; | |
| 101 | extern int show_begin; | |
| 102 | extern int sgi_label; | |
| 103 | extern char *partition_type(unsigned char type); | |
| 104 | extern void update_units(void); | |
| 105 | extern char read_chars(char *mesg); | |
| 106 | ||
| 107 | /* fdisksgilabel.c */ | |
| 108 | extern struct systypes sgi_sys_types[]; | |
| 109 | extern void sgi_nolabel( void ); | |
| 110 | extern int check_sgi_label( void ); | |
| 111 | extern void sgi_list_table( int xtra ); | |
| 112 | extern void sgi_change_sysid( int i, int sys ); | |
| 113 | extern int sgi_get_start_sector( int i ); | |
| 114 | extern int sgi_get_num_sectors( int i ); | |
| 115 | extern int sgi_get_sysid( int i ); | |
| 116 | extern void sgi_delete_partition( int i ); | |
| 117 | extern void sgi_add_partition( int n, int sys ); | |
| 118 | extern void create_sgilabel( void ); | |
| 119 | extern void create_sgiinfo( void ); | |
| 120 | extern int verify_sgi( int verbose ); | |
| 121 | extern void sgi_write_table( void ); | |
| 122 | extern void sgi_set_ilfact( void ); | |
| 123 | extern void sgi_set_rspeed( void ); | |
| 124 | extern void sgi_set_pcylcount( void ); | |
| 125 | extern void sgi_set_xcyl( void ); | |
| 126 | extern void sgi_set_ncyl( void ); | |
| 127 | extern void sgi_set_bootpartition( int i ); | |
| 128 | extern void sgi_set_swappartition( int i ); | |
| 129 | extern int sgi_get_bootpartition( void ); | |
| 130 | extern int sgi_get_swappartition( void ); | |
| 131 | extern void sgi_set_bootfile( const char* aFile ); | |
| 132 | extern const char *sgi_get_bootfile( void ); |