2 * SPDX-License-Identifier: BSD-3-Clause
4 * Copyright (c) 1989, 1993
5 * The Regents of the University of California. All rights reserved.
7 * This code is derived from software contributed to Berkeley by
8 * Rick Macklem at The University of Guelph.
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11 * modification, are permitted provided that the following conditions
13 * 1. Redistributions of source code must retain the above copyright
14 * notice, this list of conditions and the following disclaimer.
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17 * documentation and/or other materials provided with the distribution.
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20 * without specific prior written permission.
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34 * @(#)nfsm_subs.h 8.2 (Berkeley) 3/30/95
38 #ifndef _NFSCLIENT_NFSM_SUBS_H_
39 #define _NFSCLIENT_NFSM_SUBS_H_
41 #include <nfs/nfs_common.h>
43 #define nfsv2tov_type(a) nv2tov_type[fxdr_unsigned(u_int32_t,(a))&0x7]
49 * These macros do strange and peculiar things to mbuf chains for
50 * the assistance of the nfs code. To attempt to use them for any
51 * other purpose will be dangerous. (they make weird assumptions)
55 * First define what the actual subs. return
57 u_int32_t nfs_xid_gen(void);
59 /* *********************************** */
60 /* Request generation phase macros */
62 int nfsm_fhtom_xx(struct vnode *v, int v3, struct mbuf **mb,
64 void nfsm_v3attrbuild_xx(struct vattr *va, int full, struct mbuf **mb,
66 int nfsm_strtom_xx(const char *a, int s, int m, struct mbuf **mb,
69 #define nfsm_bcheck(t1, mreq) \
78 #define nfsm_fhtom(v, v3) \
81 t1 = nfsm_fhtom_xx((v), (v3), &mb, &bpos); \
82 nfsm_bcheck(t1, mreq); \
85 /* If full is true, set all fields, otherwise just set mode and time fields */
86 #define nfsm_v3attrbuild(a, full) \
87 nfsm_v3attrbuild_xx(a, full, &mb, &bpos)
89 #define nfsm_uiotom(p, s) \
92 t1 = nfsm_uiotombuf((p), &mb, (s), &bpos); \
93 nfsm_bcheck(t1, mreq); \
96 #define nfsm_strtom(a, s, m) \
99 t1 = nfsm_strtom_xx((a), (s), (m), &mb, &bpos); \
100 nfsm_bcheck(t1, mreq); \
103 /* *********************************** */
104 /* Send the request */
106 #define nfsm_request(v, t, p, c) \
109 nfs_set_sigmask(p, &oldset); \
110 error = nfs_request((v), mreq, (t), (p), (c), &mrep, &md, &dpos); \
111 nfs_restore_sigmask(p, &oldset); \
113 if (error & NFSERR_RETERR) \
114 error &= ~NFSERR_RETERR; \
120 /* *********************************** */
121 /* Reply interpretation phase macros */
123 int nfsm_mtofh_xx(struct vnode *d, struct vnode **v, int v3, int *f,
124 struct mbuf **md, caddr_t *dpos);
125 int nfsm_getfh_xx(nfsfh_t **f, int *s, int v3, struct mbuf **md,
127 int nfsm_loadattr_xx(struct vnode **v, struct vattr *va, struct mbuf **md,
129 int nfsm_postop_attr_xx(struct vnode **v, int *f, struct vattr *va,
130 struct mbuf **md, caddr_t *dpos);
131 int nfsm_wcc_data_xx(struct vnode **v, int *f, struct mbuf **md,
134 #define nfsm_mtofh(d, v, v3, f) \
137 t1 = nfsm_mtofh_xx((d), &(v), (v3), &(f), &md, &dpos); \
138 nfsm_dcheck(t1, mrep); \
141 #define nfsm_getfh(f, s, v3) \
144 t1 = nfsm_getfh_xx(&(f), &(s), (v3), &md, &dpos); \
145 nfsm_dcheck(t1, mrep); \
148 #define nfsm_loadattr(v, a) \
151 t1 = nfsm_loadattr_xx(&v, a, &md, &dpos); \
152 nfsm_dcheck(t1, mrep); \
155 #define nfsm_postop_attr(v, f) \
158 t1 = nfsm_postop_attr_xx(&v, &f, NULL, &md, &dpos); \
159 nfsm_dcheck(t1, mrep); \
162 #define nfsm_postop_attr_va(v, f, va) \
165 t1 = nfsm_postop_attr_xx(&v, &f, va, &md, &dpos); \
166 nfsm_dcheck(t1, mrep); \
169 /* Used as (f) for nfsm_wcc_data() */
170 #define NFSV3_WCCRATTR 0
171 #define NFSV3_WCCCHK 1
173 #define nfsm_wcc_data(v, f) \
176 t1 = nfsm_wcc_data_xx(&v, &f, &md, &dpos); \
177 nfsm_dcheck(t1, mrep); \