Subversion Repositories or1k

#ifndef __KERNEL__

#include <string.h>

#include <stdlib.h>

#include <stdio.h>

#include <errno.h>

#include <ctype.h>

#include <time.h>

#include <fcntl.h>

#include <unistd.h>

#include <sys/stat.h>

#include <sys/ioctl.h>

#include <linux/fs.h>

#include <linux/types.h>

#include <linux/hdreg.h>

#include <linux/version.h>

#include <asm/dasd.h>

#endif

#define LINE_LENGTH 80

#define VTOC_START_CC 0x0

#define VTOC_START_HH 0x1

#define FIRST_USABLE_CYL 1

#define FIRST_USABLE_TRK 2

#define DASD_3380_TYPE 13148

#define DASD_3390_TYPE 13200

#define DASD_9345_TYPE 37701

#define DASD_3380_VALUE 0xbb60

#define DASD_3390_VALUE 0xe5a2

#define DASD_9345_VALUE 0xbc98

#define VOLSER_LENGTH 6

#define BIG_DISK_SIZE 0x10000

#define VTOC_ERROR "VTOC error:"

typedef struct ttr

{

        __u16 tt;

        __u8  r;

} __attribute__ ((packed)) ttr_t;

typedef struct cchhb

{

        __u16 cc;

        __u16 hh;

        __u8 b;

} __attribute__ ((packed)) cchhb_t;

typedef struct cchh

{

        __u16 cc;

        __u16 hh;

} __attribute__ ((packed)) cchh_t;

typedef struct labeldate

{

        __u8  year;

        __u16 day;

} __attribute__ ((packed)) labeldate_t;

typedef struct volume_label

{

        char volkey[4];         /* volume key = volume label                 */

        char vollbl[4];         /* volume label                              */

        char volid[6];          /* volume identifier                         */

        __u8 security;          /* security byte                             */

        cchhb_t vtoc;           /* VTOC address                              */

        char res1[5];           /* reserved                                  */

        char cisize[4];         /* CI-size for FBA,...                       */

                                /* ...blanks for CKD                         */

        char blkperci[4];       /* no of blocks per CI (FBA), blanks for CKD */

        char labperci[4];       /* no of labels per CI (FBA), blanks for CKD */

        char res2[4];           /* reserved                                  */

        char lvtoc[14];         /* owner code for LVTOC                      */

        char res3[29];          /* reserved                                  */

} __attribute__ ((packed)) volume_label_t;

typedef struct extent

{

        __u8  typeind;          /* extent type indicator                     */

        __u8  seqno;            /* extent sequence number                    */

        cchh_t llimit;          /* starting point of this extent             */

        cchh_t ulimit;          /* ending point of this extent               */

} __attribute__ ((packed)) extent_t;

typedef struct dev_const

{

        __u16 DS4DSCYL;           /* number of logical cyls                  */

        __u16 DS4DSTRK;           /* number of tracks in a logical cylinder  */

        __u16 DS4DEVTK;           /* device track length                     */

        __u8  DS4DEVI;            /* non-last keyed record overhead          */

        __u8  DS4DEVL;            /* last keyed record overhead              */

        __u8  DS4DEVK;            /* non-keyed record overhead differential  */

        __u8  DS4DEVFG;           /* flag byte                               */

        __u16 DS4DEVTL;           /* device tolerance                        */

        __u8  DS4DEVDT;           /* number of DSCB's per track              */

        __u8  DS4DEVDB;           /* number of directory blocks per track    */

} __attribute__ ((packed)) dev_const_t;

typedef struct format1_label

{

        char  DS1DSNAM[44];       /* data set name                           */

        __u8  DS1FMTID;           /* format identifier                       */

        char  DS1DSSN[6];         /* data set serial number                  */

        __u16 DS1VOLSQ;           /* volume sequence number                  */

        labeldate_t DS1CREDT;     /* creation date: ydd                      */

        labeldate_t DS1EXPDT;     /* expiration date                         */

        __u8  DS1NOEPV;           /* number of extents on volume             */

        __u8  DS1NOBDB;           /* no. of bytes used in last direction blk */

        __u8  DS1FLAG1;           /* flag 1                                  */

        char  DS1SYSCD[13];       /* system code                             */

        labeldate_t DS1REFD;      /* date last referenced                    */

        __u8  DS1SMSFG;           /* system managed storage indicators       */

        __u8  DS1SCXTF;           /* sec. space extension flag byte          */

        __u16 DS1SCXTV;           /* secondary space extension value         */

        __u8  DS1DSRG1;           /* data set organisation byte 1            */

        __u8  DS1DSRG2;           /* data set organisation byte 2            */

        __u8  DS1RECFM;           /* record format                           */

        __u8  DS1OPTCD;           /* option code                             */

        __u16 DS1BLKL;            /* block length                            */

        __u16 DS1LRECL;           /* record length                           */

        __u8  DS1KEYL;            /* key length                              */

        __u16 DS1RKP;             /* relative key position                   */

        __u8  DS1DSIND;           /* data set indicators                     */

        __u8  DS1SCAL1;           /* secondary allocation flag byte          */

        char DS1SCAL3[3];         /* secondary allocation quantity           */

        ttr_t DS1LSTAR;           /* last used track and block on track      */

        __u16 DS1TRBAL;           /* space remaining on last used track      */

        __u16 res1;               /* reserved                                */

        extent_t DS1EXT1;         /* first extent description                */

        extent_t DS1EXT2;         /* second extent description               */

        extent_t DS1EXT3;         /* third extent description                */

        cchhb_t DS1PTRDS;         /* possible pointer to f2 or f3 DSCB       */

} __attribute__ ((packed)) format1_label_t;

typedef struct format4_label

{

        char  DS4KEYCD[44];       /* key code for VTOC labels: 44 times 0x04 */

        __u8  DS4IDFMT;           /* format identifier                       */

        cchhb_t DS4HPCHR;         /* highest address of a format 1 DSCB      */

        __u16 DS4DSREC;           /* number of available DSCB's              */

        cchh_t DS4HCCHH;          /* CCHH of next available alternate track  */

        __u16 DS4NOATK;           /* number of remaining alternate tracks    */

        __u8  DS4VTOCI;           /* VTOC indicators                         */

        __u8  DS4NOEXT;           /* number of extents in VTOC               */

        __u8  DS4SMSFG;           /* system managed storage indicators       */

        __u8  DS4DEVAC;           /* number of alternate cylinders.

                                     Subtract from first two bytes of

                                     DS4DEVSZ to get number of usable

                                     cylinders. can be zero. valid

                                     only if DS4DEVAV on.                    */

        dev_const_t DS4DEVCT;     /* device constants                        */

        char DS4AMTIM[8];         /* VSAM time stamp                         */

        char DS4AMCAT[3];         /* VSAM catalog indicator                  */

        char DS4R2TIM[8];         /* VSAM volume/catalog match time stamp    */

        char res1[5];             /* reserved                                */

        char DS4F6PTR[5];         /* pointer to first format 6 DSCB          */

        extent_t DS4VTOCE;        /* VTOC extent description                 */

        char res2[10];            /* reserved                                */

        __u8 DS4EFLVL;            /* extended free-space management level    */

        cchhb_t DS4EFPTR;         /* pointer to extended free-space info     */

        char res3[9];             /* reserved                                */

} __attribute__ ((packed)) format4_label_t;

typedef struct ds5ext

{

        __u16 t;                  /* RTA of the first track of free extent   */

        __u16 fc;                 /* number of whole cylinders in free ext.  */

        __u8  ft;                 /* number of remaining free tracks         */

} __attribute__ ((packed)) ds5ext_t;

typedef struct format5_label

{

        char DS5KEYID[4];         /* key identifier                          */

        ds5ext_t DS5AVEXT;        /* first available (free-space) extent.    */

        ds5ext_t DS5EXTAV[7];     /* seven available extents                 */

        __u8 DS5FMTID;            /* format identifier                       */

        ds5ext_t DS5MAVET[18];    /* eighteen available extents              */

        cchhb_t DS5PTRDS;         /* pointer to next format5 DSCB            */

} __attribute__ ((packed)) format5_label_t;

typedef struct ds7ext

{

        __u32 a;                  /* starting RTA value                      */

        __u32 b;                  /* ending RTA value + 1                    */

} __attribute__ ((packed)) ds7ext_t;

typedef struct format7_label

{

        char DS7KEYID[4];         /* key identifier                          */

        ds7ext_t DS7EXTNT[5];     /* space for 5 extent descriptions         */

        __u8 DS7FMTID;            /* format identifier                       */

        ds7ext_t DS7ADEXT[11];    /* space for 11 extent descriptions        */

        char res1[2];             /* reserved                                */

        cchhb_t DS7PTRDS;         /* pointer to next FMT7 DSCB               */

} __attribute__ ((packed)) format7_label_t;

char * vtoc_ebcdic_enc (

        unsigned char source[LINE_LENGTH],

        unsigned char target[LINE_LENGTH],

        int l);

char * vtoc_ebcdic_dec (

        unsigned char source[LINE_LENGTH],

        unsigned char target[LINE_LENGTH],

        int l);

void vtoc_set_extent (

        extent_t * ext,

        __u8 typeind,

        __u8 seqno,

        cchh_t * lower,

        cchh_t * upper);

void vtoc_set_cchh (

        cchh_t * addr,

        __u16 cc,

        __u16 hh);

void vtoc_set_cchhb (

        cchhb_t * addr,

        __u16 cc,

        __u16 hh,

        __u8 b);

void vtoc_set_date (

        labeldate_t * d,

        __u8 year,

        __u16 day);

void vtoc_volume_label_init (

        volume_label_t *vlabel);

int vtoc_read_volume_label (

        char * device,

        unsigned long vlabel_start,

        volume_label_t * vlabel);

int vtoc_write_volume_label (

        char *device,

        unsigned long vlabel_start,

        volume_label_t *vlabel);

void vtoc_volume_label_set_volser (

        volume_label_t *vlabel,

        char *volser);

char *vtoc_volume_label_get_volser (

        volume_label_t *vlabel,

        char *volser);

void vtoc_volume_label_set_key (

        volume_label_t *vlabel,

        char *key);

void vtoc_volume_label_set_label (

        volume_label_t *vlabel,

        char *lbl);

char *vtoc_volume_label_get_label (

        volume_label_t *vlabel,

        char *lbl);

void vtoc_read_label (

        char *device,

        unsigned long position,

        format1_label_t *f1,

        format4_label_t *f4,

        format5_label_t *f5,

        format7_label_t *f7);

void vtoc_write_label (

        char *device,

        unsigned long position,

        format1_label_t *f1,

        format4_label_t *f4,

        format5_label_t *f5,

        format7_label_t *f7);

void vtoc_init_format1_label (

        char *volid,

        unsigned int blksize,

        extent_t *part_extent,

        format1_label_t *f1);

void vtoc_init_format4_label (

        format4_label_t *f4lbl,

        unsigned int usable_partitions,

        unsigned int cylinders,

        unsigned int tracks,

        unsigned int blocks,

        unsigned int blksize,

        __u16 dev_type);

void vtoc_update_format4_label (

        format4_label_t *f4,

        cchhb_t *highest_f1,

        __u16 unused_update);

void vtoc_init_format5_label (

        format5_label_t *f5);

void vtoc_update_format5_label_add (

        format5_label_t *f5,

        int verbose,

        int cyl,

        int trk,

        __u16 a,

        __u16 b,

        __u8 c);

void vtoc_update_format5_label_del (

        format5_label_t *f5,

        int verbose,

        int cyl,

        int trk,

        __u16 a,

        __u16 b,

        __u8 c);

void vtoc_init_format7_label (

        format7_label_t *f7);

void vtoc_update_format7_label_add (

        format7_label_t *f7,

        int verbose,

        __u32 a,

        __u32 b);

void vtoc_update_format7_label_del (

        format7_label_t *f7,

        int verbose,

        __u32 a,

        __u32 b);

void vtoc_set_freespace(

        format4_label_t *f4,

        format5_label_t *f5,

        format7_label_t *f7,

        char ch,

        int verbose,

        __u32 start,

        __u32 stop,

        int cyl,

        int trk);