diff options
Diffstat (limited to 'include/linux/ftape-header-segment.h')
| -rw-r--r-- | include/linux/ftape-header-segment.h | 122 |
1 files changed, 0 insertions, 122 deletions
diff --git a/include/linux/ftape-header-segment.h b/include/linux/ftape-header-segment.h deleted file mode 100644 index 4732218..0000000 --- a/include/linux/ftape-header-segment.h +++ /dev/null @@ -1,122 +0,0 @@ -#ifndef _FTAPE_HEADER_SEGMENT_H -#define _FTAPE_HEADER_SEGMENT_H - -/* - * Copyright (C) 1996-1997 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/include/linux/ftape-header-segment.h,v $ - * $Revision: 1.2 $ - * $Date: 1997/10/05 19:19:28 $ - * - * This file defines some offsets into the header segment of a - * floppy tape cartridge. For use with the QIC-40/80/3010/3020 - * floppy-tape driver "ftape" for Linux. - */ - -#define FT_SIGNATURE 0 /* must be 0xaa55aa55 */ -#define FT_FMT_CODE 4 -#define FT_REV_LEVEL 5 /* only for QIC-80 since. Rev. L (== 0x0c) */ -#define FT_HSEG_1 6 /* first header segment, except for format code 6 */ -#define FT_HSEG_2 8 /* second header segment, except for format code 6 */ -#define FT_FRST_SEG 10 /* first data segment, except for format code 6 */ -#define FT_LAST_SEG 12 /* last data segment, except for format code 6 */ -#define FT_FMT_DATE 14 /* date and time of most recent format, see below */ -#define FT_WR_DATE 18 /* date and time of most recent write or format */ -#define FT_SPT 24 /* segments per track */ -#define FT_TPC 26 /* tracks per cartridge */ -#define FT_FHM 27 /* floppy drive head (maximum of it) */ -#define FT_FTM 28 /* floppy track max. */ -#define FT_FSM 29 /* floppy sector max. (128) */ -#define FT_LABEL 30 /* floppy tape label */ -#define FT_LABEL_DATE 74 /* date and time the tape label was written */ -#define FT_LABEL_SZ (FT_LABEL_DATE - FT_LABEL) -#define FT_CMAP_START 78 /* starting segment of compression map */ -#define FT_FMT_ERROR 128 /* must be set to 0xff if remainder gets lost during - * tape format - */ -#define FT_SEG_CNT 130 /* number of seg. written, formatted or verified - * through lifetime of tape (why not read?) - */ -#define FT_INIT_DATE 138 /* date and time of initial tape format */ -#define FT_FMT_CNT 142 /* number of times tape has been formatted */ -#define FT_FSL_CNT 144 /* number of segments in failed sector log */ -#define FT_MK_CODE 146 /* id string of tape manufacturer */ -#define FT_LOT_CODE 190 /* tape manufacturer lot code */ -#define FT_6_HSEG_1 234 /* first header segment for format code 6 */ -#define FT_6_HSEG_2 238 /* second header segment for format code 6 */ -#define FT_6_FRST_SEG 242 /* first data segment for format code 6 */ -#define FT_6_LAST_SEG 246 /* last data segment for format code 6 */ - -#define FT_FSL 256 -#define FT_HEADER_END 256 /* space beyond this point: - * format codes 2, 3 and 5: - * - failed sector log until byte 2047 - * - bad sector map in the reamining part of segment - * format codes 4 and 6: - * - bad sector map starts hear - */ - - -/* value to be stored at the FT_SIGNATURE offset - */ -#define FT_HSEG_MAGIC 0xaa55aa55 -#define FT_D2G_MAGIC 0x82288228 /* Ditto 2GB */ - -/* data and time encoding: */ -#define FT_YEAR_SHIFT 25 -#define FT_YEAR_MASK 0xfe000000 -#define FT_YEAR_0 1970 -#define FT_YEAR_MAX 127 -#define FT_YEAR(year) ((((year)-FT_YEAR_0)<<FT_YEAR_SHIFT)&FT_YEAR_MASK) - -#define FT_TIME_SHIFT 0 -#define FT_TIME_MASK 0x01FFFFFF -#define FT_TIME_MAX 0x01ea6dff /* last second of a year */ -#define FT_TIME(mo,d,h,m,s) \ - ((((s)+60*((m)+60*((h)+24*((d)+31*(mo))))) & FT_TIME_MASK)) - -#define FT_TIME_STAMP(y,mo,d,h,m,s) (FT_YEAR(y) | FT_TIME(mo,d,h,m,s)) - -/* values for the format code field */ -typedef enum { - fmt_normal = 2, /* QIC-80 post Rev. B 205Ft or 307Ft tape */ - fmt_1100ft = 3, /* QIC-80 post Rev. B 1100Ft tape */ - fmt_var = 4, /* QIC-80 post Rev. B variabel length format */ - fmt_425ft = 5, /* QIC-80 post Rev. B 425Ft tape */ - fmt_big = 6 /* QIC-3010/3020 variable length tape with more - * than 2^16 segments per tape - */ -} ft_format_type; - -/* definitions for the failed sector log */ -#define FT_FSL_SIZE (2 * FT_SECTOR_SIZE - FT_HEADER_END) -#define FT_FSL_MAX_ENTRIES (FT_FSL_SIZE/sizeof(__u32)) - -typedef struct ft_fsl_entry { - __u16 segment; - __u16 date; -} __attribute__ ((packed)) ft_fsl_entry; - - -/* date encoding for the failed sector log - * month: 1..12, day: 1..31, year: 1970..2097 - */ -#define FT_FSL_TIME_STAMP(y,m,d) \ - (((((y) - FT_YEAR_0)<<9)&0xfe00) | (((m)<<5)&0x01e0) | ((d)&0x001f)) - -#endif /* _FTAPE_HEADER_SEGMENT_H */ |