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author | Andreas Baumann <mail@andreasbaumann.cc> | 2015-01-03 12:04:58 +0100 |
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committer | Andreas Baumann <mail@andreasbaumann.cc> | 2015-01-03 12:04:58 +0100 |
commit | 008d0be72b2f160382c6e880765e96b64a050c65 (patch) | |
tree | 36f48a98a3815a408e2ce1693dd182af90f80305 /release/src/linux/linux/include/linux/zftape.h | |
parent | 611becfb8726c60cb060368541ad98191d4532f5 (diff) | |
download | tomato-008d0be72b2f160382c6e880765e96b64a050c65.tar.gz tomato-008d0be72b2f160382c6e880765e96b64a050c65.tar.bz2 |
imported original firmware WRT54GL_v4.30.11_11_US
Diffstat (limited to 'release/src/linux/linux/include/linux/zftape.h')
-rw-r--r-- | release/src/linux/linux/include/linux/zftape.h | 87 |
1 files changed, 87 insertions, 0 deletions
diff --git a/release/src/linux/linux/include/linux/zftape.h b/release/src/linux/linux/include/linux/zftape.h new file mode 100644 index 00000000..6b340dc0 --- /dev/null +++ b/release/src/linux/linux/include/linux/zftape.h @@ -0,0 +1,87 @@ +#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: /home/cvsroot/wrt54g/src/linux/linux/include/linux/zftape.h,v $ + * $Revision: 1.1.1.2 $ + * $Date: 2003/10/14 08:09:27 $ + * + * 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 |