xnu-6153.41.3.tar.gz

[apple/xnu.git] / bsd / nfs / nfsrvcache.h

diff --git a/bsd/nfs/nfsrvcache.h b/bsd/nfs/nfsrvcache.h
index cd645ae240252ddd039867753d0ecd825928e9ce..9c92b00c18281c84a8caa1626be67ccff6e3a196 100644 (file)
--- a/bsd/nfs/nfsrvcache.h
+++ b/bsd/nfs/nfsrvcache.h
@@ -1,17 +1,20 @@
 /*
- * Copyright (c) 2000-2002 Apple Computer, Inc. All rights reserved.
+ * Copyright (c) 2000-2010 Apple Inc. All rights reserved.
+ *
+ * @APPLE_OSREFERENCE_LICENSE_HEADER_START@
  *
- * @APPLE_LICENSE_HEADER_START@
- * 
- * Copyright (c) 1999-2003 Apple Computer, Inc.  All Rights Reserved.
- * 
  * 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. Please obtain a copy of the License at
- * http://www.opensource.apple.com/apsl/ and read it before using this
- * file.
- * 
+ * 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,
@@ -19,8 +22,8 @@
  * 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_LICENSE_HEADER_END@
+ *
+ * @APPLE_OSREFERENCE_LICENSE_HEADER_END@
  */
 /* Copyright (c) 1995 NeXT Computer, Inc. All Rights Reserved */
 /*
@@ -73,46 +76,57 @@
  * Definitions for the server recent request cache
  */
 
-#define        NFSRVCACHESIZ   64
+/* 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_long  rc_xid;                         /* rpc id number */
+       TAILQ_ENTRY(nfsrvcache) rc_lru;         /* LRU chain */
+       LIST_ENTRY(nfsrvcache) rc_hash;         /* Hash chain */
+       u_int32_t       rc_xid;                         /* rpc id number */
        union {
-               struct mbuf *ru_repmb;          /* Reply mbuf list OR */
-               int ru_repstat;                 /* Reply status */
+               mbuf_t ru_repmb;                /* Reply mbuf list OR */
+               int ru_repstat;                 /* Reply status */
        } rc_un;
-       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 */
+       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_nam          rc_haddr.had_nam
+#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
+#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
+#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
+#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_ */