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Diffstat (limited to 'drivers/char/ftape/zftape/zftape-vtbl.h')
-rw-r--r--drivers/char/ftape/zftape/zftape-vtbl.h227
1 files changed, 0 insertions, 227 deletions
diff --git a/drivers/char/ftape/zftape/zftape-vtbl.h b/drivers/char/ftape/zftape/zftape-vtbl.h
deleted file mode 100644
index f31d196d175..00000000000
--- a/drivers/char/ftape/zftape/zftape-vtbl.h
+++ /dev/null
@@ -1,227 +0,0 @@
-#ifndef _ZFTAPE_VTBL_H
-#define _ZFTAPE_VTBL_H
-
-/*
- * Copyright (c) 1995-1997 Claus-Justus Heine
-
- This program is free software; you can redistribute it and/or
- modify it under the terms of the GNU General Public License as
- published by the Free Software Foundation; either version 2, or (at
- your option) any later version.
-
- This program is distributed in the hope that it will be useful, but
- WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- General Public License for more details.
-
- You should have received a copy of the GNU General Public License
- along with this program; see the file COPYING. If not, write to
- the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139,
- USA.
-
- *
- * $Source: /homes/cvs/ftape-stacked/ftape/zftape/zftape-vtbl.h,v $
- * $Revision: 1.3 $
- * $Date: 1997/10/28 14:30:09 $
- *
- * This file defines a volume table as defined in the QIC-80
- * development standards.
- */
-
-#include <linux/list.h>
-
-#include "../lowlevel/ftape-tracing.h"
-
-#include "../zftape/zftape-eof.h"
-#include "../zftape/zftape-ctl.h"
-#include "../zftape/zftape-rw.h"
-
-#define VTBL_SIZE 128 /* bytes */
-
-/* The following are offsets in the vtbl. */
-#define VTBL_SIG 0
-#define VTBL_START 4
-#define VTBL_END 6
-#define VTBL_DESC 8
-#define VTBL_DATE 52
-#define VTBL_FLAGS 56
-#define VTBL_FL_VENDOR_SPECIFIC (1<<0)
-#define VTBL_FL_MUTLI_CARTRIDGE (1<<1)
-#define VTBL_FL_NOT_VERIFIED (1<<2)
-#define VTBL_FL_REDIR_INHIBIT (1<<3)
-#define VTBL_FL_SEG_SPANNING (1<<4)
-#define VTBL_FL_DIRECTORY_LAST (1<<5)
-#define VTBL_FL_RESERVED_6 (1<<6)
-#define VTBL_FL_RESERVED_7 (1<<7)
-#define VTBL_M_NO 57
-#define VTBL_EXT 58
-#define EXT_ZFTAPE_SIG 0
-#define EXT_ZFTAPE_BLKSZ 10
-#define EXT_ZFTAPE_CMAP 12
-#define EXT_ZFTAPE_QIC113 13
-#define VTBL_PWD 84
-#define VTBL_DIR_SIZE 92
-#define VTBL_DATA_SIZE 96
-#define VTBL_OS_VERSION 104
-#define VTBL_SRC_DRIVE 106
-#define VTBL_DEV 122
-#define VTBL_RESERVED_1 123
-#define VTBL_CMPR 124
-#define VTBL_CMPR_UNREG 0x3f
-#define VTBL_CMPR_USED 0x80
-#define VTBL_FMT 125
-#define VTBL_RESERVED_2 126
-#define VTBL_RESERVED_3 127
-/* compatibility with pre revision K */
-#define VTBL_K_CMPR 120
-
-/* the next is used by QIC-3020 tapes with format code 6 (>2^16
- * segments) It is specified in QIC-113, Rev. G, Section 5 (SCSI
- * volume table). The difference is simply, that we only store the
- * number of segments used, not the starting segment.
- */
-#define VTBL_SCSI_SEGS 4 /* is a 4 byte value */
-
-/* one vtbl is 128 bytes, that results in a maximum number of
- * 29*1024/128 = 232 volumes.
- */
-#define ZFT_MAX_VOLUMES (FT_SEGMENT_SIZE/VTBL_SIZE)
-#define VTBL_ID "VTBL"
-#define VTBL_IDS { VTBL_ID, "XTBL", "UTID", "EXVT" } /* other valid ids */
-#define ZFT_VOL_NAME "zftape volume" /* volume label used by me */
-#define ZFTAPE_SIG "LINUX ZFT"
-
-/* global variables
- */
-typedef struct zft_internal_vtbl
-{
- struct list_head node;
- int count;
- unsigned int start_seg; /* 32 bits are enough for now */
- unsigned int end_seg; /* 32 bits are enough for now */
- __s64 size; /* uncompressed size */
- unsigned int blk_sz; /* block size for this volume */
- unsigned int zft_volume :1; /* zftape created this volume */
- unsigned int use_compression:1; /* compressed volume */
- unsigned int qic113 :1; /* layout of compressed block
- * info and vtbl conforms to
- * QIC-113, Rev. G
- */
- unsigned int new_volume :1; /* it was created by us, this
- * run. this allows the
- * fields that aren't really
- * used by zftape to be filled
- * in by some user level
- * program.
- */
- unsigned int open :1; /* just in progress of being
- * written
- */
-} zft_volinfo;
-
-extern struct list_head zft_vtbl;
-#define zft_head_vtbl list_entry(zft_vtbl.next, zft_volinfo, node)
-#define zft_eom_vtbl list_entry(zft_vtbl.prev, zft_volinfo, node)
-#define zft_last_vtbl list_entry(zft_eom_vtbl->node.prev, zft_volinfo, node)
-#define zft_first_vtbl list_entry(zft_head_vtbl->node.next, zft_volinfo, node)
-#define zft_vtbl_empty (zft_eom_vtbl->node.prev == &zft_head_vtbl->node)
-
-#define DUMP_VOLINFO(level, desc, info) \
-{ \
- char tmp[21]; \
- strlcpy(tmp, desc, sizeof(tmp)); \
- TRACE(level, "Volume %d:\n" \
- KERN_INFO "description : %s\n" \
- KERN_INFO "first segment: %d\n" \
- KERN_INFO "last segment: %d\n" \
- KERN_INFO "size : " LL_X "\n" \
- KERN_INFO "block size : %d\n" \
- KERN_INFO "compression : %d\n" \
- KERN_INFO "zftape volume: %d\n" \
- KERN_INFO "QIC-113 conf.: %d", \
- (info)->count, tmp, (info)->start_seg, (info)->end_seg, \
- LL((info)->size), (info)->blk_sz, \
- (info)->use_compression != 0, (info)->zft_volume != 0, \
- (info)->qic113 != 0); \
-}
-
-extern int zft_qic_mode;
-extern int zft_old_ftape;
-extern int zft_volume_table_changed;
-
-/* exported functions */
-extern void zft_init_vtbl (void);
-extern void zft_free_vtbl (void);
-extern int zft_extract_volume_headers(__u8 *buffer);
-extern int zft_update_volume_table (unsigned int segment);
-extern int zft_open_volume (zft_position *pos,
- int blk_sz, int use_compression);
-extern int zft_close_volume (zft_position *pos);
-extern const zft_volinfo *zft_find_volume(unsigned int seg_pos);
-extern int zft_skip_volumes (int count, zft_position *pos);
-extern __s64 zft_get_eom_pos (void);
-extern void zft_skip_to_eom (zft_position *pos);
-extern int zft_fake_volume_headers (eof_mark_union *eof_map,
- int num_failed_sectors);
-extern int zft_weof (unsigned int count, zft_position *pos);
-extern void zft_move_past_eof (zft_position *pos);
-
-static inline int zft_tape_at_eod (const zft_position *pos);
-static inline int zft_tape_at_lbot (const zft_position *pos);
-static inline void zft_position_before_eof (zft_position *pos,
- const zft_volinfo *volume);
-static inline __s64 zft_check_for_eof(const zft_volinfo *vtbl,
- const zft_position *pos);
-
-/* this function decrements the zft_seg_pos counter if we are right
- * at the beginning of a segment. This is to handle fsfm/bsfm -- we
- * need to position before the eof mark. NOTE: zft_tape_pos is not
- * changed
- */
-static inline void zft_position_before_eof(zft_position *pos,
- const zft_volinfo *volume)
-{
- TRACE_FUN(ft_t_flow);
-
- if (pos->seg_pos == volume->end_seg + 1 && pos->seg_byte_pos == 0) {
- pos->seg_pos --;
- pos->seg_byte_pos = zft_get_seg_sz(pos->seg_pos);
- }
- TRACE_EXIT;
-}
-
-/* Mmmh. Is the position at the end of the last volume, that is right
- * before the last EOF mark also logical an EOD condition?
- */
-static inline int zft_tape_at_eod(const zft_position *pos)
-{
- TRACE_FUN(ft_t_any);
-
- if (zft_qic_mode) {
- TRACE_EXIT (pos->seg_pos >= zft_eom_vtbl->start_seg ||
- zft_last_vtbl->open);
- } else {
- TRACE_EXIT pos->seg_pos > ft_last_data_segment;
- }
-}
-
-static inline int zft_tape_at_lbot(const zft_position *pos)
-{
- if (zft_qic_mode) {
- return (pos->seg_pos <= zft_first_vtbl->start_seg &&
- pos->volume_pos == 0);
- } else {
- return (pos->seg_pos <= ft_first_data_segment &&
- pos->volume_pos == 0);
- }
-}
-
-/* This one checks for EOF. return remaing space (may be negative)
- */
-static inline __s64 zft_check_for_eof(const zft_volinfo *vtbl,
- const zft_position *pos)
-{
- return (__s64)(vtbl->size - pos->volume_pos);
-}
-
-#endif /* _ZFTAPE_VTBL_H */