sys/ufs/chfs/chfs_pool.h

   1 /*      $NetBSD: chfs_pool.h,v 1.1 2011/11/24 15:51:31 ahoka Exp $      */
   2
   3 /*-
   4  * Copyright (c) 2010 Department of Software Engineering,
   5  *                    University of Szeged, Hungary
   6  * All rights reserved.
   7  *
   8  * This code is derived from software contributed to The NetBSD Foundation
   9  * by the Department of Software Engineering, University of Szeged, Hungary
  10  *
  11  * Redistribution and use in source and binary forms, with or without
  12  * modification, are permitted provided that the following conditions
  13  * are met:
  14  * 1. Redistributions of source code must retain the above copyright
  15  *    notice, this list of conditions and the following disclaimer.
  16  * 2. Redistributions in binary form must reproduce the above copyright
  17  *    notice, this list of conditions and the following disclaimer in the
  18  *    documentation and/or other materials provided with the distribution.
  19  *
  20  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
  21  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
  22  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
  23  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
  24  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
  25  * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
  26  * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
  27  * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
  28  * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  29  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  30  * SUCH DAMAGE.
  31  */
  32
  33 #ifndef _FS_CHFS_CHFS_POOL_H_
  34 #define _FS_CHFS_CHFS_POOL_H_
  35
  36
  37 /* --------------------------------------------------------------------- */
  38
  39 struct chfs_pool {
  40         struct pool             chp_pool;
  41         struct chfs_mount *     chp_mount;
  42         char                    chp_name[64];
  43 };
  44
  45 /* --------------------------------------------------------------------- */
  46
  47 struct chfs_str_pool {
  48         struct chfs_pool        chsp_pool_16;
  49         struct chfs_pool        chsp_pool_32;
  50         struct chfs_pool        chsp_pool_64;
  51         struct chfs_pool        chsp_pool_128;
  52         struct chfs_pool        chsp_pool_256;
  53         struct chfs_pool        chsp_pool_512;
  54         struct chfs_pool        chsp_pool_1024;
  55 };
  56
  57 /* --------------------------------------------------------------------- */
  58 #ifdef _KERNEL
  59
  60 /*
  61  * Convenience functions and macros to manipulate a chfs_pool.
  62  */
  63
  64 void    chfs_pool_init(struct chfs_pool *chpp, size_t size,
  65     const char *what, struct chfs_mount *chmp);
  66 void    chfs_pool_destroy(struct chfs_pool *chpp);
  67
  68 #define CHFS_POOL_GET(chpp, flags) pool_get((struct pool *)(chpp), flags)
  69 #define CHFS_POOL_PUT(chpp, v) pool_put((struct pool *)(chpp), v)
  70
  71 /* --------------------------------------------------------------------- */
  72
  73 /*
  74  * Functions to manipulate a chfs_str_pool.
  75  */
  76
  77 void    chfs_str_pool_init(struct chfs_str_pool *, struct chfs_mount *);
  78 void    chfs_str_pool_destroy(struct chfs_str_pool *);
  79 char *  chfs_str_pool_get(struct chfs_str_pool *, size_t, int);
  80 void    chfs_str_pool_put(struct chfs_str_pool *, char *, size_t);
  81
  82 #endif
  83
  84 #endif /* _FS_CHFS_CHFS_POOL_H_ */