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      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_ */
     85