diff options
Diffstat (limited to 'include')
| -rw-r--r-- | include/linux/Kbuild | 4 | ||||
| -rw-r--r-- | include/linux/ftape-header-segment.h | 122 | ||||
| -rw-r--r-- | include/linux/ftape-vendors.h | 137 | ||||
| -rw-r--r-- | include/linux/ftape.h | 201 | ||||
| -rw-r--r-- | include/linux/zftape.h | 87 |
5 files changed, 0 insertions, 551 deletions
diff --git a/include/linux/Kbuild b/include/linux/Kbuild index d7e04689304c..ff433126361f 100644 --- a/include/linux/Kbuild +++ b/include/linux/Kbuild @@ -60,8 +60,6 @@ header-y += fadvise.h header-y += fd.h header-y += fdreg.h header-y += fib_rules.h -header-y += ftape-header-segment.h -header-y += ftape-vendors.h header-y += fuse.h header-y += futex.h header-y += genetlink.h @@ -206,7 +204,6 @@ unifdef-y += fcntl.h unifdef-y += filter.h unifdef-y += flat.h unifdef-y += fs.h -unifdef-y += ftape.h unifdef-y += gameport.h unifdef-y += generic_serial.h unifdef-y += genhd.h @@ -341,6 +338,5 @@ unifdef-y += wait.h unifdef-y += wanrouter.h unifdef-y += watchdog.h unifdef-y += xfrm.h -unifdef-y += zftape.h objhdr-y += version.h diff --git a/include/linux/ftape-header-segment.h b/include/linux/ftape-header-segment.h deleted file mode 100644 index 4732218f0708..000000000000 --- 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 */ diff --git a/include/linux/ftape-vendors.h b/include/linux/ftape-vendors.h deleted file mode 100644 index ec1a81f059e5..000000000000 --- a/include/linux/ftape-vendors.h +++ /dev/null @@ -1,137 +0,0 @@ -#ifndef _FTAPE_VENDORS_H -#define _FTAPE_VENDORS_H - -/* - * Copyright (C) 1993-1996 Bas Laarhoven, - * (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-vendors.h,v $ - * $Revision: 1.6 $ - * $Date: 1997/10/09 15:38:11 $ - * - * This file contains the supported drive types with their - * QIC-117 spec. vendor code and drive dependent configuration - * information. - */ - -typedef enum { - unknown_wake_up = 0, - no_wake_up, - wake_up_colorado, - wake_up_mountain, - wake_up_insight, -} wake_up_types; - -typedef struct { - wake_up_types wake_up; /* see wake_up_types */ - char *name; /* Text describing the drive */ -} wakeup_method; - -/* Note: order of entries in WAKEUP_METHODS must be so that a variable - * of type wake_up_types can be used as an index in the array. - */ -#define WAKEUP_METHODS { \ - { unknown_wake_up, "Unknown" }, \ - { no_wake_up, "None" }, \ - { wake_up_colorado, "Colorado" }, \ - { wake_up_mountain, "Mountain" }, \ - { wake_up_insight, "Motor-on" }, \ -} - -typedef struct { - unsigned int vendor_id; /* vendor id from drive */ - int speed; /* maximum tape transport speed (ips) */ - wake_up_types wake_up; /* see wake_up_types */ - char *name; /* Text describing the drive */ -} vendor_struct; - -#define UNKNOWN_VENDOR (-1) - -#define QIC117_VENDORS { \ -/* see _vendor_struct */ \ - { 0x00000, 82, wake_up_colorado, "Colorado DJ-10 (old)" }, \ - { 0x00047, 90, wake_up_colorado, "Colorado DJ-10/DJ-20" }, \ - { 0x011c2, 84, wake_up_colorado, "Colorado 700" }, \ - { 0x011c3, 90, wake_up_colorado, "Colorado 1400" }, \ - { 0x011c4, 84, wake_up_colorado, "Colorado DJ-10/DJ-20 (new)" }, \ - { 0x011c5, 84, wake_up_colorado, "HP Colorado T1000" }, \ - { 0x011c6, 90, wake_up_colorado, "HP Colorado T3000" }, \ - { 0x00005, 45, wake_up_mountain, "Archive 5580i" }, \ - { 0x10005, 50, wake_up_insight, "Insight 80Mb, Irwin 80SX" }, \ - { 0x00140, 74, wake_up_mountain, "Archive S.Hornet [Identity/Escom]" }, \ - { 0x00146, 72, wake_up_mountain, "Archive 31250Q [Escom]" }, \ - { 0x0014a, 100, wake_up_mountain, "Archive XL9250i [Conner/Escom]" }, \ - { 0x0014c, 98, wake_up_mountain, "Conner C250MQT" }, \ - { 0x0014e, 80, wake_up_mountain, "Conner C250MQ" }, \ - { 0x00150, 80, wake_up_mountain, "Conner TSM420R/TST800R" }, \ - { 0x00152, 80, wake_up_mountain, "Conner TSM850R" }, \ - { 0x00156, 80, wake_up_mountain, "Conner TSM850R/1700R/TST3200R" }, \ - { 0x00180, 0, wake_up_mountain, "Summit SE 150" }, \ - { 0x00181, 85, wake_up_mountain, "Summit SE 250, Mountain FS8000" }, \ - { 0x001c1, 82, no_wake_up, "Wangtek 3040F" }, \ - { 0x001c8, 64, no_wake_up, "Wangtek 3080F" }, \ - { 0x001c8, 64, wake_up_colorado, "Wangtek 3080F" }, \ - { 0x001ca, 67, no_wake_up, "Wangtek 3080F (new)" }, \ - { 0x001cc, 77, wake_up_colorado, "Wangtek 3200 / Teac 700" }, \ - { 0x001cd, 75, wake_up_colorado, "Reveal TB1400" }, \ - { 0x00380, 85, wake_up_colorado, "Exabyte Eagle-96" }, \ - { 0x00381, 85, wake_up_colorado, "Exabyte Eagle TR-3" }, \ - { 0x00382, 85, wake_up_colorado, "Exabyte Eagle TR-3" }, \ - { 0x003ce, 77, wake_up_colorado, "Teac 800" }, \ - { 0x003cf, 0, wake_up_colorado, "Teac FT3010TR" }, \ - { 0x08880, 64, no_wake_up, "Iomega 250, Ditto 800" }, \ - { 0x08880, 64, wake_up_colorado, "Iomega 250, Ditto 800" }, \ - { 0x08880, 64, wake_up_insight, "Iomega 250, Ditto 800" }, \ - { 0x08881, 80, wake_up_colorado, "Iomega 700" }, \ - { 0x08882, 80, wake_up_colorado, "Iomega 3200" }, \ - { 0x08883, 80, wake_up_colorado, "Iomega DITTO 2GB" }, \ - { 0x00021, 70, no_wake_up, "AIWA CT-803" }, \ - { 0x004c0, 80, no_wake_up, "AIWA TD-S1600" }, \ - { 0x00021, 0, wake_up_mountain, "COREtape QIC80" }, \ - { 0x00441, 0, wake_up_mountain, "ComByte DoublePlay" }, \ - { 0x00481, 127, wake_up_mountain, "PERTEC MyTape 800" }, \ - { 0x00483, 130, wake_up_mountain, "PERTEC MyTape 3200" }, \ - { UNKNOWN_VENDOR, 0, no_wake_up, "unknown" } \ -} - -#define QIC117_MAKE_CODES { \ - { 0, "Unassigned" }, \ - { 1, "Alloy Computer Products" }, \ - { 2, "3M" }, \ - { 3, "Tandberg Data" }, \ - { 4, "Colorado" }, \ - { 5, "Archive/Conner" }, \ - { 6, "Mountain/Summit Memory Systems" }, \ - { 7, "Wangtek/Rexon/Tecmar" }, \ - { 8, "Sony" }, \ - { 9, "Cipher Data Products" }, \ - { 10, "Irwin Magnetic Systems" }, \ - { 11, "Braemar" }, \ - { 12, "Verbatim" }, \ - { 13, "Core International" }, \ - { 14, "Exabyte" }, \ - { 15, "Teac" }, \ - { 16, "Gigatek" }, \ - { 17, "ComByte" }, \ - { 18, "PERTEC Memories" }, \ - { 19, "Aiwa" }, \ - { 71, "Colorado" }, \ - { 546, "Iomega Inc" }, \ -} - -#endif /* _FTAPE_VENDORS_H */ diff --git a/include/linux/ftape.h b/include/linux/ftape.h deleted file mode 100644 index 7e7038cba86a..000000000000 --- a/include/linux/ftape.h +++ /dev/null @@ -1,201 +0,0 @@ -#ifndef _FTAPE_H -#define _FTAPE_H - -/* - * Copyright (C) 1994-1996 Bas Laarhoven, - * (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.h,v $ - * $Revision: 1.17.6.4 $ - * $Date: 1997/11/25 01:52:54 $ - * - * This file contains global definitions, typedefs and macro's - * for the QIC-40/80/3010/3020 floppy-tape driver for Linux. - */ - -#define FTAPE_VERSION "ftape v3.04d 25/11/97" - -#ifdef __KERNEL__ -#include <linux/interrupt.h> -#include <linux/mm.h> -#endif -#include <linux/types.h> -#include <linux/mtio.h> - -#define FT_SECTOR(x) (x+1) /* sector offset into real sector */ -#define FT_SECTOR_SIZE 1024 -#define FT_SECTORS_PER_SEGMENT 32 -#define FT_ECC_SECTORS 3 -#define FT_SEGMENT_SIZE ((FT_SECTORS_PER_SEGMENT - FT_ECC_SECTORS) * FT_SECTOR_SIZE) -#define FT_BUFF_SIZE (FT_SECTORS_PER_SEGMENT * FT_SECTOR_SIZE) - -/* - * bits of the minor device number that define drive selection - * methods. Could be used one day to access multiple tape - * drives on the same controller. - */ -#define FTAPE_SEL_A 0 -#define FTAPE_SEL_B 1 -#define FTAPE_SEL_C 2 -#define FTAPE_SEL_D 3 -#define FTAPE_SEL_MASK 3 -#define FTAPE_SEL(unit) ((unit) & FTAPE_SEL_MASK) -#define FTAPE_NO_REWIND 4 /* mask for minor nr */ - -/* the following two may be reported when MTIOCGET is requested ... */ -typedef union { - struct { - __u8 error; - __u8 command; - } error; - long space; -} ft_drive_error; -typedef union { - struct { - __u8 drive_status; - __u8 drive_config; - __u8 tape_status; - } status; - long space; -} ft_drive_status; - -#ifdef __KERNEL__ - -#define FT_RQM_DELAY 12 -#define FT_MILLISECOND 1 -#define FT_SECOND 1000 -#define FT_FOREVER -1 -#ifndef HZ -#error "HZ undefined." -#endif -#define FT_USPT (1000000/HZ) /* microseconds per tick */ - -/* This defines the number of retries that the driver will allow - * before giving up (and letting a higher level handle the error). - */ -#ifdef TESTING -#define FT_SOFT_RETRIES 1 /* number of low level retries */ -#define FT_RETRIES_ON_ECC_ERROR 3 /* ecc error when correcting segment */ -#else -#define FT_SOFT_RETRIES 6 /* number of low level retries (triple) */ -#define FT_RETRIES_ON_ECC_ERROR 3 /* ecc error when correcting segment */ -#endif - -#ifndef THE_FTAPE_MAINTAINER -#define THE_FTAPE_MAINTAINER "the ftape maintainer" -#endif - -/* Initialize missing configuration parameters. - */ -#ifndef CONFIG_FT_NR_BUFFERS -# define CONFIG_FT_NR_BUFFERS 3 -#endif -#ifndef CONFIG_FT_FDC_THR -# define CONFIG_FT_FDC_THR 8 -#endif -#ifndef CONFIG_FT_FDC_MAX_RATE -# define CONFIG_FT_FDC_MAX_RATE 2000 -#endif -#ifndef CONFIG_FT_FDC_BASE -# define CONFIG_FT_FDC_BASE 0 -#endif -#ifndef CONFIG_FT_FDC_IRQ -# define CONFIG_FT_FDC_IRQ 0 -#endif -#ifndef CONFIG_FT_FDC_DMA -# define CONFIG_FT_FDC_DMA 0 -#endif - -/* Turn some booleans into numbers. - */ -#ifdef CONFIG_FT_PROBE_FC10 -# undef CONFIG_FT_PROBE_FC10 -# define CONFIG_FT_PROBE_FC10 1 -#else -# define CONFIG_FT_PROBE_FC10 0 -#endif -#ifdef CONFIG_FT_MACH2 -# undef CONFIG_FT_MACH2 -# define CONFIG_FT_MACH2 1 -#else -# define CONFIG_FT_MACH2 0 -#endif - -/* Insert default settings - */ -#if CONFIG_FT_PROBE_FC10 == 1 -# if CONFIG_FT_FDC_BASE == 0 -# undef CONFIG_FT_FDC_BASE -# define CONFIG_FT_FDC_BASE 0x180 -# endif -# if CONFIG_FT_FDC_IRQ == 0 -# undef CONFIG_FT_FDC_IRQ -# define CONFIG_FT_FDC_IRQ 9 -# endif -# if CONFIG_FT_FDC_DMA == 0 -# undef CONFIG_FT_FDC_DMA -# define CONFIG_FT_FDC_DMA 3 -# endif -#elif CONFIG_FT_MACH2 == 1 /* CONFIG_FT_PROBE_FC10 == 1 */ -# if CONFIG_FT_FDC_BASE == 0 -# undef CONFIG_FT_FDC_BASE -# define CONFIG_FT_FDC_BASE 0x1E0 -# endif -# if CONFIG_FT_FDC_IRQ == 0 -# undef CONFIG_FT_FDC_IRQ -# define CONFIG_FT_FDC_IRQ 6 -# endif -# if CONFIG_FT_FDC_DMA == 0 -# undef CONFIG_FT_FDC_DMA -# define CONFIG_FT_FDC_DMA 2 -# endif -#elif defined(CONFIG_FT_ALT_FDC) /* CONFIG_FT_MACH2 */ -# if CONFIG_FT_FDC_BASE == 0 -# undef CONFIG_FT_FDC_BASE -# define CONFIG_FT_FDC_BASE 0x370 -# endif -# if CONFIG_FT_FDC_IRQ == 0 -# undef CONFIG_FT_FDC_IRQ -# define CONFIG_FT_FDC_IRQ 6 -# endif -# if CONFIG_FT_FDC_DMA == 0 -# undef CONFIG_FT_FDC_DMA -# define CONFIG_FT_FDC_DMA 2 -# endif -#else /* CONFIG_FT_ALT_FDC */ -# if CONFIG_FT_FDC_BASE == 0 -# undef CONFIG_FT_FDC_BASE -# define CONFIG_FT_FDC_BASE 0x3f0 -# endif -# if CONFIG_FT_FDC_IRQ == 0 -# undef CONFIG_FT_FDC_IRQ -# define CONFIG_FT_FDC_IRQ 6 -# endif -# if CONFIG_FT_FDC_DMA == 0 -# undef CONFIG_FT_FDC_DMA -# define CONFIG_FT_FDC_DMA 2 -# endif -#endif /* standard FDC */ - -/* some useful macro's - */ -#define NR_ITEMS(x) (int)(sizeof(x)/ sizeof(*x)) - -#endif /* __KERNEL__ */ - -#endif diff --git a/include/linux/zftape.h b/include/linux/zftape.h deleted file mode 100644 index b057c65366c6..000000000000 --- a/include/linux/zftape.h +++ /dev/null @@ -1,87 +0,0 @@ -#ifndef _ZFTAPE_H -#define _ZFTAPE_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/zftape.h,v $ - * $Revision: 1.12 $ - * $Date: 1997/10/21 11:02:37 $ - * - * Special ioctl and other global info for the zftape VFS - * interface for the QIC-40/80/3010/3020 floppy-tape driver for - * Linux. - */ - -#define ZFTAPE_VERSION "zftape for " FTAPE_VERSION - -#include <linux/ftape.h> - -#define ZFTAPE_LABEL "Ftape - The Linux Floppy Tape Project!" - -/* Bits of the minor device number that control the operation mode */ -#define ZFT_Q80_MODE (1 << 3) -#define ZFT_ZIP_MODE (1 << 4) -#define ZFT_RAW_MODE (1 << 5) -#define ZFT_MINOR_OP_MASK (ZFT_Q80_MODE | \ - ZFT_ZIP_MODE | \ - ZFT_RAW_MODE) -#define ZFT_MINOR_MASK (FTAPE_SEL_MASK | \ - ZFT_MINOR_OP_MASK | \ - FTAPE_NO_REWIND) - -#ifdef ZFT_OBSOLETE -struct mtblksz { - unsigned int mt_blksz; -}; -#define MTIOC_ZFTAPE_GETBLKSZ _IOR('m', 104, struct mtblksz) -#endif - -#ifdef __KERNEL__ - -extern int zft_init(void); - -static inline __s64 zft_div_blksz(__s64 value, __u32 blk_sz) -{ - if (blk_sz == 1) { - return value; - } else { - return (__s64)(((__u32)(value >> 10) + (blk_sz >> 10) - 1) - / (blk_sz >> 10)); - } -} - -static inline __s64 zft_mul_blksz(__s64 value, __u32 blk_sz) -{ - if (blk_sz == 1) { - return value; - } else { - /* if blk_sz != 1, then it is a multiple of 1024. In - * this case, `value' will also fit into 32 bits. - * - * Actually, this limits the capacity to 42 - * bits. This is (2^32)*1024, roughly a thousand - * times 2GB, or 3 Terabytes. Hopefully this is enough - */ - return(__s64)(((__u32)(value)*(blk_sz>>10))<<10); - } -} - -#endif - -#endif |