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- /* $NetBSD: nfsrvcache.h,v 1.8 1994/12/13 17:17:07 mycroft Exp $ */
-
- /*
- * 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 8.2 (Berkeley) 8/18/94
- */
-
- /*
- * Definitions for the server recent request cache
- */
-
- #define NFSRVCACHESIZ 256
-
- struct nfsrvcache {
- TAILQ_ENTRY(nfsrvcache) rc_lru; /* LRU chain */
- LIST_ENTRY(nfsrvcache) rc_hash; /* Hash chain */
- u_long rc_xid; /* rpc id number */
- union {
- struct mbuf *ru_repmb; /* Reply mbuf list OR */
- int ru_repstat; /* Reply status */
- } rc_un;
- union nethostaddr rc_haddr; /* Host address */
- short 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_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_NQNFS 0x10
- #define RC_INETADDR 0x20
- #define RC_NAM 0x40
-