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      1 /*
      2  * CDDL HEADER START
      3  *
      4  * The contents of this file are subject to the terms of the
      5  * Common Development and Distribution License (the "License").
      6  * You may not use this file except in compliance with the License.
      7  *
      8  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
      9  * or http://www.opensolaris.org/os/licensing.
     10  * See the License for the specific language governing permissions
     11  * and limitations under the License.
     12  *
     13  * When distributing Covered Code, include this CDDL HEADER in each
     14  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
     15  * If applicable, add the following below this CDDL HEADER, with the
     16  * fields enclosed by brackets "[]" replaced with your own identifying
     17  * information: Portions Copyright [yyyy] [name of copyright owner]
     18  *
     19  * CDDL HEADER END
     20  */
     21 /*
     22  * Copyright 2009 Sun Microsystems, Inc.  All rights reserved.
     23  * Use is subject to license terms.
     24  */
     25 
     26 #ifndef _NFS41_FILEHANDLE_H
     27 #define	_NFS41_FILEHANDLE_H
     28 
     29 #ifdef USE_FOR_SNOOP
     30 #define	NFS_FH4MAXDATA 26
     31 #include <sys/vfs.h>
     32 #else
     33 #include <nfs/nfs.h>
     34 #include <nfs/nfs41_fhtype.h>
     35 #include <nfs/nfs4.h>
     36 #endif
     37 
     38 #ifdef	__cplusplus
     39 extern "C" {
     40 #endif
     41 
     42 typedef enum {
     43 	NFS41_FH_v1 = 1
     44 } nfs41_fh_vers_t;
     45 
     46 typedef struct {
     47 	uint_t len;
     48 	char val[NFS_FH4MAXDATA];
     49 } nfs41_fid_t;
     50 
     51 typedef struct {
     52 	uint32_t flags;
     53 	uint32_t gen;
     54 	fsid_t	export_fsid;
     55 	nfs41_fid_t export_fid;
     56 	nfs41_fid_t obj_fid;
     57 } nfs41_fh_v1_t;
     58 
     59 typedef struct {
     60 	nfs41_fh_type_t type;
     61 	nfs41_fh_vers_t vers;
     62 	union {
     63 		nfs41_fh_v1_t v1;
     64 		/* new versions will be added here */
     65 	} fh;
     66 } nfs41_fh_fmt_t;
     67 
     68 #define	NFS41_FH_LEN	sizeof (nfs41_fh_fmt_t)
     69 
     70 #define	FH41_SET_FLAG(ptr, flag) ((ptr)->fh.v1.flags |= (flag))
     71 #define	FH41_GET_FLAG(ptr, flag) ((ptr)->fh.v1.flags & (flag))
     72 #define	FH41_CLR_FLAG(ptr, flag) ((ptr)->fh.v1.flags &= ~(flag))
     73 
     74 /*
     75  * Possible Flag values
     76  */
     77 #define	FH41_NAMEDATTR	1
     78 #define	FH41_ATTRDIR	2
     79 
     80 #ifndef USE_FOR_SNOOP
     81 extern vnode_t *nfs41_fhtovp(nfs_fh4 *, compound_state_t *);
     82 extern vnode_t *nfs41_fhtovp_exi(nfs_fh4 *, struct exportinfo *, nfsstat4 *);
     83 extern int mknfs41_fh(nfs_fh4 *, vnode_t *, struct exportinfo *);
     84 #endif
     85 
     86 extern bool_t xdr_encode_nfs41_fh(XDR *, nfs_fh4 *);
     87 extern bool_t xdr_decode_nfs41_fh(XDR *, nfs_fh4 *);
     88 extern bool_t xdr_nfs41_fh_fmt(XDR *, nfs41_fh_fmt_t *);
     89 
     90 #ifdef	__cplusplus
     91 }
     92 #endif
     93 
     94 #endif /* _NFS41_FILEHANDLE_H */
     95