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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 2008 Sun Microsystems, Inc.  All rights reserved.
     23  * Use is subject to license terms.
     24  */
     25 
     26 /*	Copyright (c) 1983, 1984, 1985, 1986, 1987, 1988, 1989 AT&T	*/
     27 /*	  All Rights Reserved  	*/
     28 
     29 #ifndef	_NFS_CMD_H
     30 #define	_NFS_CMD_H
     31 
     32 #ifdef	__cplusplus
     33 extern "C" {
     34 #endif
     35 
     36 #include <sys/types.h>
     37 #include <sys/param.h>
     38 #include <sys/kiconv.h>
     39 
     40 #define	KICONV_MAX_CODENAME_LEN	63 /* copied from sys/kiconv.h */
     41 
     42 #define	NFSCMD_VERS_1	1
     43 #define	NFSCMD_VERSION	NFSCMD_VERS_1
     44 
     45 typedef enum { NFSCMD_CHARMAP_LOOKUP, NFSCMD_ERROR } nfscmd_t;
     46 typedef enum { NFSCMD_ERR_SUCCESS, NFSCMD_ERR_BADCMD, NFSCMD_ERR_NOTFOUND,
     47     NFSCMD_ERR_FAIL, NFSCMD_ERR_DROP, NFSCMD_ERR_NOMEM } nfscmd_err_t;
     48 #define	NFSCMD_ERR_RET	0x100000
     49 
     50 typedef struct nfscmd_arg {
     51 	uint32_t	version;
     52 	nfscmd_t	cmd;
     53 	union {
     54 		struct {
     55 			char path[MAXPATHLEN];
     56 			struct sockaddr addr;
     57 		} charmap;
     58 	} arg;
     59 } nfscmd_arg_t;
     60 
     61 typedef struct nfscmd_res {
     62 	uint32_t	version;
     63 	uint32_t	cmd;
     64 	nfscmd_err_t	error;
     65 	union {
     66 		struct {
     67 		    char	codeset[KICONV_MAX_CODENAME_LEN + 1];
     68 		    uint32_t	apply;
     69 		} charmap;
     70 	} result;
     71 } nfscmd_res_t;
     72 
     73 #ifdef _KERNEL
     74 
     75 #define	NFSCMD_CONV_INBOUND	1
     76 #define	NFSCMD_CONV_OUTBOUND	0
     77 
     78 extern int nfscmd_send(nfscmd_arg_t *, nfscmd_res_t *);
     79 extern int nfscmd_charmap(struct exportinfo *, struct sockaddr *);
     80 extern struct charset_cache *nfscmd_findmap(struct exportinfo *,
     81     struct sockaddr *);
     82 extern char *nfscmd_convname(struct sockaddr *, struct exportinfo *,
     83     char *, int, size_t);
     84 extern char *nfscmd_convdirent(struct sockaddr *, struct exportinfo *, char *,
     85     size_t, enum nfsstat3 *);
     86 extern size_t nfscmd_convdirplus(struct sockaddr *, struct exportinfo *, char *,
     87     size_t, size_t, char **);
     88 extern size_t nfscmd_countents(char *, size_t);
     89 extern size_t nfscmd_dropped_entrysize(struct dirent64 *, size_t, size_t);
     90 
     91 #endif
     92 
     93 #ifdef	__cplusplus
     94 }
     95 #endif
     96 
     97 #endif	/* _NFS_CMD_H */
     98