/* * Copyright (c) 2000-2010 Apple Inc. All rights reserved. * * @APPLE_OSREFERENCE_LICENSE_HEADER_START@ * * This file contains Original Code and/or Modifications of Original Code * as defined in and that are subject to the Apple Public Source License * Version 2.0 (the 'License'). You may not use this file except in * compliance with the License. The rights granted to you under the License * may not be used to create, or enable the creation or redistribution of, * unlawful or unlicensed copies of an Apple operating system, or to * circumvent, violate, or enable the circumvention or violation of, any * terms of an Apple operating system software license agreement. * * Please obtain a copy of the License at * http://www.opensource.apple.com/apsl/ and read it before using this file. * * The Original Code and all software distributed under the License are * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES, * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT. * Please see the License for the specific language governing rights and * limitations under the License. * * @APPLE_OSREFERENCE_LICENSE_HEADER_END@ */ /* Copyright (c) 1995 NeXT Computer, Inc. All Rights Reserved */ /* * Copyright (c) 1989, 1993 * The Regents of the University of California. All rights reserved. * * This code is derived from software contributed to Berkeley by * Rick Macklem at The University of Guelph. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * 3. All advertising materials mentioning features or use of this software * must display the following acknowledgement: * This product includes software developed by the University of * California, Berkeley and its contributors. * 4. Neither the name of the University nor the names of its contributors * may be used to endorse or promote products derived from this software * without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. * * @(#)nfsrvcache.h 8.3 (Berkeley) 3/30/95 * FreeBSD-Id: nfsrvcache.h,v 1.9 1997/06/03 17:22:47 dfr Exp $ */ #ifndef _NFS_NFSRVCACHE_H_ #define _NFS_NFSRVCACHE_H_ #include <sys/appleapiopts.h> #ifdef __APPLE_API_PRIVATE /* * Definitions for the server recent request cache */ /* Network address hash list element */ union nethostaddr { in_addr_t had_inetaddr; struct in6_addr had_inet6addr; mbuf_t had_nam; }; #define NFSRVCACHESIZ 64 struct nfsrvcache { TAILQ_ENTRY(nfsrvcache) rc_lru; /* LRU chain */ LIST_ENTRY(nfsrvcache) rc_hash; /* Hash chain */ u_int32_t rc_xid; /* rpc id number */ union { mbuf_t ru_repmb; /* Reply mbuf list OR */ int ru_repstat; /* Reply status */ } rc_un; sa_family_t rc_family; /* address family */ union nethostaddr rc_haddr; /* Host address */ u_int32_t rc_proc; /* rpc proc number */ u_char rc_state; /* Current state of request */ u_char rc_flag; /* Flag bits */ }; #define rc_reply rc_un.ru_repmb #define rc_status rc_un.ru_repstat #define rc_inetaddr rc_haddr.had_inetaddr #define rc_inet6addr rc_haddr.had_inet6addr #define rc_nam rc_haddr.had_nam /* Cache entry states */ #define RC_UNUSED 0 #define RC_INPROG 1 #define RC_DONE 2 /* Return values */ #define RC_DROPIT 0 #define RC_REPLY 1 #define RC_DOIT 2 #define RC_CHECKIT 3 /* Flag bits */ #define RC_LOCKED 0x01 #define RC_WANTED 0x02 #define RC_REPSTATUS 0x04 #define RC_REPMBUF 0x08 #define RC_INETADDR 0x20 #define RC_NAM 0x40 extern lck_grp_t *nfsrv_reqcache_lck_grp; extern lck_mtx_t *nfsrv_reqcache_mutex; #endif /* __APPLE_API_PRIVATE */ #endif /* _NFS_NFSRVCACHE_H_ */