1 /* 2 * Copyright (c) 2000-2010 Apple Inc. All rights reserved. 3 * 4 * @APPLE_OSREFERENCE_LICENSE_HEADER_START@ 5 * 6 * This file contains Original Code and/or Modifications of Original Code 7 * as defined in and that are subject to the Apple Public Source License 8 * Version 2.0 (the 'License'). You may not use this file except in 9 * compliance with the License. The rights granted to you under the License 10 * may not be used to create, or enable the creation or redistribution of, 11 * unlawful or unlicensed copies of an Apple operating system, or to 12 * circumvent, violate, or enable the circumvention or violation of, any 13 * terms of an Apple operating system software license agreement. 14 * 15 * Please obtain a copy of the License at 16 * http://www.opensource.apple.com/apsl/ and read it before using this file. 17 * 18 * The Original Code and all software distributed under the License are 19 * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER 20 * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES, 21 * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, 22 * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT. 23 * Please see the License for the specific language governing rights and 24 * limitations under the License. 25 * 26 * @APPLE_OSREFERENCE_LICENSE_HEADER_END@ 27 */ 28 /* Copyright (c) 1995 NeXT Computer, Inc. All Rights Reserved */ 29 /* 30 * Copyright (c) 1989, 1993 31 * The Regents of the University of California. All rights reserved. 32 * 33 * This code is derived from software contributed to Berkeley by 34 * Rick Macklem at The University of Guelph. 35 * 36 * Redistribution and use in source and binary forms, with or without 37 * modification, are permitted provided that the following conditions 38 * are met: 39 * 1. Redistributions of source code must retain the above copyright 40 * notice, this list of conditions and the following disclaimer. 41 * 2. Redistributions in binary form must reproduce the above copyright 42 * notice, this list of conditions and the following disclaimer in the 43 * documentation and/or other materials provided with the distribution. 44 * 3. All advertising materials mentioning features or use of this software 45 * must display the following acknowledgement: 46 * This product includes software developed by the University of 47 * California, Berkeley and its contributors. 48 * 4. Neither the name of the University nor the names of its contributors 49 * may be used to endorse or promote products derived from this software 50 * without specific prior written permission. 51 * 52 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 53 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 54 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 55 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 56 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 57 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 58 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 59 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 60 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 61 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 62 * SUCH DAMAGE. 63 * 64 * @(#)nfsrvcache.h 8.3 (Berkeley) 3/30/95 65 * FreeBSD-Id: nfsrvcache.h,v 1.9 1997/06/03 17:22:47 dfr Exp $ 66 */ 67 68 69 #ifndef _NFS_NFSRVCACHE_H_ 70 #define _NFS_NFSRVCACHE_H_ 71 72 #include <sys/appleapiopts.h> 73 74 #ifdef __APPLE_API_PRIVATE 75 /* 76 * Definitions for the server recent request cache 77 */ 78 79 /* Network address hash list element */ 80 union nethostaddr { 81 in_addr_t had_inetaddr; 82 struct in6_addr had_inet6addr; 83 mbuf_t had_nam; 84 }; 85 86 #define NFSRVCACHESIZ 64 87 88 struct nfsrvcache { 89 TAILQ_ENTRY(nfsrvcache) rc_lru; /* LRU chain */ 90 LIST_ENTRY(nfsrvcache) rc_hash; /* Hash chain */ 91 u_int32_t rc_xid; /* rpc id number */ 92 union { 93 mbuf_t ru_repmb; /* Reply mbuf list OR */ 94 int ru_repstat; /* Reply status */ 95 } rc_un; 96 sa_family_t rc_family; /* address family */ 97 union nethostaddr rc_haddr; /* Host address */ 98 u_int32_t rc_proc; /* rpc proc number */ 99 u_char rc_state; /* Current state of request */ 100 u_char rc_flag; /* Flag bits */ 101 }; 102 103 #define rc_reply rc_un.ru_repmb 104 #define rc_status rc_un.ru_repstat 105 #define rc_inetaddr rc_haddr.had_inetaddr 106 #define rc_inet6addr rc_haddr.had_inet6addr 107 #define rc_nam rc_haddr.had_nam 108 109 /* Cache entry states */ 110 #define RC_UNUSED 0 111 #define RC_INPROG 1 112 #define RC_DONE 2 113 114 /* Return values */ 115 #define RC_DROPIT 0 116 #define RC_REPLY 1 117 #define RC_DOIT 2 118 #define RC_CHECKIT 3 119 120 /* Flag bits */ 121 #define RC_LOCKED 0x01 122 #define RC_WANTED 0x02 123 #define RC_REPSTATUS 0x04 124 #define RC_REPMBUF 0x08 125 #define RC_INETADDR 0x20 126 #define RC_NAM 0x40 127 128 #endif /* __APPLE_API_PRIVATE */ 129 #endif /* _NFS_NFSRVCACHE_H_ */ 130