diff options
Diffstat (limited to 'include/linux/zftape.h')
-rw-r--r-- | include/linux/zftape.h | 87 |
1 files changed, 0 insertions, 87 deletions
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 @@ | |||
1 | #ifndef _ZFTAPE_H | ||
2 | #define _ZFTAPE_H | ||
3 | |||
4 | /* | ||
5 | * Copyright (C) 1996, 1997 Claus-Justus Heine. | ||
6 | |||
7 | This program is free software; you can redistribute it and/or modify | ||
8 | it under the terms of the GNU General Public License as published by | ||
9 | the Free Software Foundation; either version 2, or (at your option) | ||
10 | any later version. | ||
11 | |||
12 | This program is distributed in the hope that it will be useful, | ||
13 | but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
14 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | ||
15 | GNU General Public License for more details. | ||
16 | |||
17 | You should have received a copy of the GNU General Public License | ||
18 | along with this program; see the file COPYING. If not, write to | ||
19 | the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. | ||
20 | |||
21 | * | ||
22 | * $Source: /homes/cvs/ftape-stacked/include/linux/zftape.h,v $ | ||
23 | * $Revision: 1.12 $ | ||
24 | * $Date: 1997/10/21 11:02:37 $ | ||
25 | * | ||
26 | * Special ioctl and other global info for the zftape VFS | ||
27 | * interface for the QIC-40/80/3010/3020 floppy-tape driver for | ||
28 | * Linux. | ||
29 | */ | ||
30 | |||
31 | #define ZFTAPE_VERSION "zftape for " FTAPE_VERSION | ||
32 | |||
33 | #include <linux/ftape.h> | ||
34 | |||
35 | #define ZFTAPE_LABEL "Ftape - The Linux Floppy Tape Project!" | ||
36 | |||
37 | /* Bits of the minor device number that control the operation mode */ | ||
38 | #define ZFT_Q80_MODE (1 << 3) | ||
39 | #define ZFT_ZIP_MODE (1 << 4) | ||
40 | #define ZFT_RAW_MODE (1 << 5) | ||
41 | #define ZFT_MINOR_OP_MASK (ZFT_Q80_MODE | \ | ||
42 | ZFT_ZIP_MODE | \ | ||
43 | ZFT_RAW_MODE) | ||
44 | #define ZFT_MINOR_MASK (FTAPE_SEL_MASK | \ | ||
45 | ZFT_MINOR_OP_MASK | \ | ||
46 | FTAPE_NO_REWIND) | ||
47 | |||
48 | #ifdef ZFT_OBSOLETE | ||
49 | struct mtblksz { | ||
50 | unsigned int mt_blksz; | ||
51 | }; | ||
52 | #define MTIOC_ZFTAPE_GETBLKSZ _IOR('m', 104, struct mtblksz) | ||
53 | #endif | ||
54 | |||
55 | #ifdef __KERNEL__ | ||
56 | |||
57 | extern int zft_init(void); | ||
58 | |||
59 | static inline __s64 zft_div_blksz(__s64 value, __u32 blk_sz) | ||
60 | { | ||
61 | if (blk_sz == 1) { | ||
62 | return value; | ||
63 | } else { | ||
64 | return (__s64)(((__u32)(value >> 10) + (blk_sz >> 10) - 1) | ||
65 | / (blk_sz >> 10)); | ||
66 | } | ||
67 | } | ||
68 | |||
69 | static inline __s64 zft_mul_blksz(__s64 value, __u32 blk_sz) | ||
70 | { | ||
71 | if (blk_sz == 1) { | ||
72 | return value; | ||
73 | } else { | ||
74 | /* if blk_sz != 1, then it is a multiple of 1024. In | ||
75 | * this case, `value' will also fit into 32 bits. | ||
76 | * | ||
77 | * Actually, this limits the capacity to 42 | ||
78 | * bits. This is (2^32)*1024, roughly a thousand | ||
79 | * times 2GB, or 3 Terabytes. Hopefully this is enough | ||
80 | */ | ||
81 | return(__s64)(((__u32)(value)*(blk_sz>>10))<<10); | ||
82 | } | ||
83 | } | ||
84 | |||
85 | #endif | ||
86 | |||
87 | #endif | ||