2 * Copyright (c) 1989, 1993
3 * The Regents of the University of California. All rights reserved.
5 * This code is derived from software contributed to Berkeley by
6 * Rick Macklem at The University of Guelph.
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted provided that the following conditions
11 * 1. Redistributions of source code must retain the above copyright
12 * notice, this list of conditions and the following disclaimer.
13 * 2. Redistributions in binary form must reproduce the above copyright
14 * notice, this list of conditions and the following disclaimer in the
15 * documentation and/or other materials provided with the distribution.
16 * 4. Neither the name of the University nor the names of its contributors
17 * may be used to endorse or promote products derived from this software
18 * without specific prior written permission.
20 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
21 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
22 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
23 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
24 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
25 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
26 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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32 * @(#)nfsm_subs.h 8.2 (Berkeley) 3/30/95
36 #ifndef _NFSCLIENT_NFSM_SUBS_H_
37 #define _NFSCLIENT_NFSM_SUBS_H_
39 #include <nfs/nfs_common.h>
41 #define nfsv2tov_type(a) nv2tov_type[fxdr_unsigned(u_int32_t,(a))&0x7]
47 * These macros do strange and peculiar things to mbuf chains for
48 * the assistance of the nfs code. To attempt to use them for any
49 * other purpose will be dangerous. (they make weird assumptions)
53 * First define what the actual subs. return
55 u_int32_t nfs_xid_gen(void);
57 /* *********************************** */
58 /* Request generation phase macros */
60 int nfsm_fhtom_xx(struct vnode *v, int v3, struct mbuf **mb,
62 void nfsm_v3attrbuild_xx(struct vattr *va, int full, struct mbuf **mb,
64 int nfsm_strtom_xx(const char *a, int s, int m, struct mbuf **mb,
67 #define nfsm_bcheck(t1, mreq) \
76 #define nfsm_fhtom(v, v3) \
79 t1 = nfsm_fhtom_xx((v), (v3), &mb, &bpos); \
80 nfsm_bcheck(t1, mreq); \
83 /* If full is true, set all fields, otherwise just set mode and time fields */
84 #define nfsm_v3attrbuild(a, full) \
85 nfsm_v3attrbuild_xx(a, full, &mb, &bpos)
87 #define nfsm_uiotom(p, s) \
90 t1 = nfsm_uiotombuf((p), &mb, (s), &bpos); \
91 nfsm_bcheck(t1, mreq); \
94 #define nfsm_strtom(a, s, m) \
97 t1 = nfsm_strtom_xx((a), (s), (m), &mb, &bpos); \
98 nfsm_bcheck(t1, mreq); \
101 /* *********************************** */
102 /* Send the request */
104 #define nfsm_request(v, t, p, c) \
107 nfs_set_sigmask(p, &oldset); \
108 error = nfs_request((v), mreq, (t), (p), (c), &mrep, &md, &dpos); \
109 nfs_restore_sigmask(p, &oldset); \
111 if (error & NFSERR_RETERR) \
112 error &= ~NFSERR_RETERR; \
118 /* *********************************** */
119 /* Reply interpretation phase macros */
121 int nfsm_mtofh_xx(struct vnode *d, struct vnode **v, int v3, int *f,
122 struct mbuf **md, caddr_t *dpos);
123 int nfsm_getfh_xx(nfsfh_t **f, int *s, int v3, struct mbuf **md,
125 int nfsm_loadattr_xx(struct vnode **v, struct vattr *va, struct mbuf **md,
127 int nfsm_postop_attr_xx(struct vnode **v, int *f, struct vattr *va,
128 struct mbuf **md, caddr_t *dpos);
129 int nfsm_wcc_data_xx(struct vnode **v, int *f, struct mbuf **md,
132 #define nfsm_mtofh(d, v, v3, f) \
135 t1 = nfsm_mtofh_xx((d), &(v), (v3), &(f), &md, &dpos); \
136 nfsm_dcheck(t1, mrep); \
139 #define nfsm_getfh(f, s, v3) \
142 t1 = nfsm_getfh_xx(&(f), &(s), (v3), &md, &dpos); \
143 nfsm_dcheck(t1, mrep); \
146 #define nfsm_loadattr(v, a) \
149 t1 = nfsm_loadattr_xx(&v, a, &md, &dpos); \
150 nfsm_dcheck(t1, mrep); \
153 #define nfsm_postop_attr(v, f) \
156 t1 = nfsm_postop_attr_xx(&v, &f, NULL, &md, &dpos); \
157 nfsm_dcheck(t1, mrep); \
160 #define nfsm_postop_attr_va(v, f, va) \
163 t1 = nfsm_postop_attr_xx(&v, &f, va, &md, &dpos); \
164 nfsm_dcheck(t1, mrep); \
167 /* Used as (f) for nfsm_wcc_data() */
168 #define NFSV3_WCCRATTR 0
169 #define NFSV3_WCCCHK 1
171 #define nfsm_wcc_data(v, f) \
174 t1 = nfsm_wcc_data_xx(&v, &f, &md, &dpos); \
175 nfsm_dcheck(t1, mrep); \