Merge branch 'master' into next

1 files changed, 203 insertions, 0 deletions

diff --git a/arch/s390/include/asm/vtoc.h b/arch/s390/include/asm/vtoc.h
new file mode 100644
index 000000000000..3a5267d90d29
--- /dev/null
+++ b/arch/s390/include/asm/vtoc.h
@@ -0,0 +1,203 @@
+/*
+ * 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 <linux/types.h>
+
+struct vtoc_ttr
+{
+	__u16 tt;
+	__u8 r;
+} __attribute__ ((packed));
+
+struct vtoc_cchhb
+{
+	__u16 cc;
+	__u16 hh;
+	__u8 b;
+} __attribute__ ((packed));
+
+struct vtoc_cchh
+{
+	__u16 cc;
+	__u16 hh;
+} __attribute__ ((packed));
+
+struct vtoc_labeldate
+{
+	__u8 year;
+	__u16 day;
+} __attribute__ ((packed));
+
+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 */
+	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 */
+	struct vtoc_cchh llimit;	/* starting point of this extent */
+	struct vtoc_cchh ulimit;	/* ending point of this extent */
+} __attribute__ ((packed));
+
+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));
+
+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 */
+	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 */
+	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));
+
+struct vtoc_format5_label
+{
+	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));
+
+struct vtoc_format7_label
+{
+	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));
+
+struct vtoc_cms_label {
+	__u8 label_id[4];		/* Label identifier */
+	__u8 vol_id[6];		/* Volid */
+	__u16 version_id;		/* Version identifier */
+	__u32 block_size;		/* Disk block size */
+	__u32 origin_ptr;		/* Disk origin pointer */
+	__u32 usable_count;	/* Number of usable cylinders/blocks */
+	__u32 formatted_count;	/* Maximum number of formatted cylinders/
+				 * blocks */
+	__u32 block_count;	/* Disk size in CMS blocks */
+	__u32 used_count;		/* Number of CMS blocks in use */
+	__u32 fst_size;		/* File Status Table (FST) size */
+	__u32 fst_count;		/* Number of FSTs per CMS block */
+	__u8 format_date[6];	/* Disk FORMAT date */
+	__u8 reserved1[2];
+	__u32 disk_offset;	/* Disk offset when reserved*/
+	__u32 map_block;		/* Allocation Map Block with next hole */
+	__u32 hblk_disp;		/* Displacement into HBLK data of next hole */
+	__u32 user_disp;		/* Displacement into user part of Allocation
+				 * map */
+	__u8 reserved2[4];
+	__u8 segment_name[8];	/* Name of shared segment */
+} __attribute__ ((packed));
+
+#endif /* _ASM_S390_VTOC_H */