1 #ifndef _ZFTAPE_INIT_H 2 #define _ZFTAPE_INIT_H 3 4 /* 5 * Copyright (C) 1996, 1997 Claus 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/ftape/zftape/zftape-init.h,v $ 23 * $Revision: 1.2 $ 24 * $Date: 1997/10/05 19:19:05 $ 25 * 26 * This file contains definitions and macro for the vfs 27 * interface defined by zftape 28 * 29 */ 30 31 #include <linux/ftape-header-segment.h> 32 33 #include "../lowlevel/ftape-tracing.h" 34 #include "../lowlevel/ftape-ctl.h" 35 #include "../lowlevel/ftape-read.h" 36 #include "../lowlevel/ftape-write.h" 37 #include "../lowlevel/ftape-bsm.h" 38 #include "../lowlevel/ftape-io.h" 39 #include "../lowlevel/ftape-buffer.h" 40 #include "../lowlevel/ftape-format.h" 41 42 #include "../zftape/zftape-rw.h" 43 44 #ifdef MODULE 45 #define ftape_status (*zft_status) 46 #endif 47 48 extern const ftape_info *zft_status; /* needed for zftape-vtbl.h */ 49 50 #include "../zftape/zftape-vtbl.h" 51 52 struct zft_cmpr_ops { 53 int (*write)(int *write_cnt, 54 __u8 *dst_buf, const int seg_sz, 55 const __u8 *src_buf, const int req_len, 56 const zft_position *pos, const zft_volinfo *volume); 57 int (*read)(int *read_cnt, 58 __u8 *dst_buf, const int req_len, 59 const __u8 *src_buf, const int seg_sz, 60 const zft_position *pos, const zft_volinfo *volume); 61 int (*seek)(unsigned int new_block_pos, 62 zft_position *pos, const zft_volinfo *volume, 63 __u8 *buffer); 64 void (*lock) (void); 65 void (*reset) (void); 66 void (*cleanup)(void); 67 }; 68 69 extern struct zft_cmpr_ops *zft_cmpr_ops; 70 /* zftape-init.c defined global functions. 71 */ 72 extern int zft_cmpr_register(struct zft_cmpr_ops *new_ops); 73 extern struct zft_cmpr_ops *zft_cmpr_unregister(void); 74 extern int zft_cmpr_lock(int try_to_load); 75 76 #ifdef MODULE 77 78 asmlinkage extern int init_module(void); 79 asmlinkage extern void cleanup_module(void); 80 81 #endif 82 83 #endif 84 85 86