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 | |