Merge ../linux-2.6

1 files changed, 156 insertions, 349 deletions

diff --git a/include/asm-s390/vtoc.h b/include/asm-s390/vtoc.h
index a14e34e..41d369f 100644
--- a/include/asm-s390/vtoc.h
+++ b/include/asm-s390/vtoc.h
@@ -1,372 +1,179 @@
-#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/asm-s390/vtoc.h
+ *
+ * This file contains volume label definitions for DASD devices.
+ *
+ * (C) Copyright IBM Corp. 2005
+ *
+ * Author(s): Volker Sameske <sameske@de.ibm.com>
+ *
+ */
+
+#ifndef _ASM_S390_VTOC_H
+#define _ASM_S390_VTOC_H
 
-#include <sys/stat.h>
-#include <sys/ioctl.h>
-
-#include <linux/fs.h>
 #include <linux/types.h>
-#include <linux/hdreg.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 
+struct vtoc_ttr
 {
-        __u16 tt;
-        __u8  r;
-} __attribute__ ((packed)) ttr_t;
+	__u16 tt;
+	__u8 r;
+} __attribute__ ((packed));
 
-typedef struct cchhb 
+struct vtoc_cchhb
 {
-        __u16 cc;
-        __u16 hh;
-        __u8 b;
-} __attribute__ ((packed)) cchhb_t;
+	__u16 cc;
+	__u16 hh;
+	__u8 b;
+} __attribute__ ((packed));
 
-typedef struct cchh 
+struct vtoc_cchh
 {
-        __u16 cc;
-        __u16 hh;
-} __attribute__ ((packed)) cchh_t;
+	__u16 cc;
+	__u16 hh;
+} __attribute__ ((packed));
 
-typedef struct labeldate 
+struct vtoc_labeldate
 {
-        __u8  year;
-        __u16 day;
-} __attribute__ ((packed)) labeldate_t;
+	__u8 year;
+	__u16 day;
+} __attribute__ ((packed));
 
-
-typedef struct volume_label 
+struct vtoc_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 
+	char volkey[4];		/* volume key = volume label */
+	char vollbl[4];		/* volume label */
+	char volid[6];		/* volume identifier */
+	__u8 security;		/* security byte */
+	struct vtoc_cchhb 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));
+
+struct vtoc_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;
-
+	__u8 typeind;			/* extent type indicator */
+	__u8 seqno;			/* extent sequence number */
+	struct vtoc_cchh llimit;	/* starting point of this extent */
+	struct vtoc_cchh ulimit;	/* ending point of this extent */
+} __attribute__ ((packed));
 
-typedef struct dev_const 
+struct vtoc_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 
+	__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));
+
+struct vtoc_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 DS1DSNAM[44];	/* data set name */
+	__u8 DS1FMTID;		/* format identifier */
+	char DS1DSSN[6];	/* data set serial number */
+	__u16 DS1VOLSQ;		/* volume sequence number */
+	struct vtoc_labeldate DS1CREDT; /* creation date: ydd */
+	struct vtoc_labeldate 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 */
+	struct vtoc_labeldate 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 */
+	struct vtoc_ttr DS1LSTAR; /* last used track and block on track */
+	__u16 DS1TRBAL;		/* space remaining on last used track */
+	__u16 res1;		/* reserved */
+	struct vtoc_extent DS1EXT1; /* first extent description */
+	struct vtoc_extent DS1EXT2; /* second extent description */
+	struct vtoc_extent DS1EXT3; /* third extent description */
+	struct vtoc_cchhb DS1PTRDS; /* possible pointer to f2 or f3 DSCB */
+} __attribute__ ((packed));
+
+struct vtoc_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 
+	char DS4KEYCD[44];	/* key code for VTOC labels: 44 times 0x04 */
+	__u8 DS4IDFMT;		/* format identifier */
+	struct vtoc_cchhb DS4HPCHR; /* highest address of a format 1 DSCB */
+	__u16 DS4DSREC;		/* number of available DSCB's */
+	struct vtoc_cchh 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. */
+	struct vtoc_dev_const 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 */
+	struct vtoc_extent DS4VTOCE; /* VTOC extent description */
+	char res2[10];		/* reserved */
+	__u8 DS4EFLVL;		/* extended free-space management level */
+	struct vtoc_cchhb DS4EFPTR; /* pointer to extended free-space info */
+	char res3[9];		/* reserved */
+} __attribute__ ((packed));
+
+struct vtoc_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;
-
+	__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));
 
-typedef struct format5_label 
+struct vtoc_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 
+	char DS5KEYID[4];	/* key identifier */
+	struct vtoc_ds5ext DS5AVEXT; /* first available (free-space) extent. */
+	struct vtoc_ds5ext DS5EXTAV[7]; /* seven available extents */
+	__u8 DS5FMTID;		/* format identifier */
+	struct vtoc_ds5ext DS5MAVET[18]; /* eighteen available extents */
+	struct vtoc_cchhb DS5PTRDS; /* pointer to next format5 DSCB */
+} __attribute__ ((packed));
+
+struct vtoc_ds7ext
 {
-	__u32 a;                  /* starting RTA value                      */
-	__u32 b;                  /* ending RTA value + 1                    */
-} __attribute__ ((packed)) ds7ext_t;
+	__u32 a; /* starting RTA value */
+	__u32 b; /* ending RTA value + 1 */
+} __attribute__ ((packed));
 
-
-typedef struct format7_label 
+struct vtoc_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);
-
-
-
-
-
-
-
-
-
-
-
-
+	char DS7KEYID[4];	/* key identifier */
+	struct vtoc_ds7ext DS7EXTNT[5]; /* space for 5 extent descriptions */
+	__u8 DS7FMTID;		/* format identifier */
+	struct vtoc_ds7ext DS7ADEXT[11]; /* space for 11 extent descriptions */
+	char res1[2];		/* reserved */
+	struct vtoc_cchhb DS7PTRDS; /* pointer to next FMT7 DSCB */
+} __attribute__ ((packed));
+
+#endif /* _ASM_S390_VTOC_H */