diff options
Diffstat (limited to 'freebsd/sys/nfsclient/nfsm_subs.h')
| -rw-r--r-- | freebsd/sys/nfsclient/nfsm_subs.h | 180 |
1 files changed, 180 insertions, 0 deletions
diff --git a/freebsd/sys/nfsclient/nfsm_subs.h b/freebsd/sys/nfsclient/nfsm_subs.h new file mode 100644 index 00000000..b918e78a --- /dev/null +++ b/freebsd/sys/nfsclient/nfsm_subs.h @@ -0,0 +1,180 @@ +/*- + * SPDX-License-Identifier: BSD-3-Clause + * + * Copyright (c) 1989, 1993 + * The Regents of the University of California. All rights reserved. + * + * This code is derived from software contributed to Berkeley by + * Rick Macklem at The University of Guelph. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. Neither the name of the University nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + * + * @(#)nfsm_subs.h 8.2 (Berkeley) 3/30/95 + * $FreeBSD$ + */ + +#ifndef _NFSCLIENT_NFSM_SUBS_H_ +#define _NFSCLIENT_NFSM_SUBS_H_ + +#include <nfs/nfs_common.h> + +#define nfsv2tov_type(a) nv2tov_type[fxdr_unsigned(u_int32_t,(a))&0x7] + +struct ucred; +struct vnode; + +/* + * These macros do strange and peculiar things to mbuf chains for + * the assistance of the nfs code. To attempt to use them for any + * other purpose will be dangerous. (they make weird assumptions) + */ + +/* + * First define what the actual subs. return + */ +u_int32_t nfs_xid_gen(void); + +/* *********************************** */ +/* Request generation phase macros */ + +int nfsm_fhtom_xx(struct vnode *v, int v3, struct mbuf **mb, + caddr_t *bpos); +void nfsm_v3attrbuild_xx(struct vattr *va, int full, struct mbuf **mb, + caddr_t *bpos); +int nfsm_strtom_xx(const char *a, int s, int m, struct mbuf **mb, + caddr_t *bpos); + +#define nfsm_bcheck(t1, mreq) \ +do { \ + if (t1) { \ + error = t1; \ + m_freem(mreq); \ + goto nfsmout; \ + } \ +} while (0) + +#define nfsm_fhtom(v, v3) \ +do { \ + int32_t t1; \ + t1 = nfsm_fhtom_xx((v), (v3), &mb, &bpos); \ + nfsm_bcheck(t1, mreq); \ +} while (0) + +/* If full is true, set all fields, otherwise just set mode and time fields */ +#define nfsm_v3attrbuild(a, full) \ + nfsm_v3attrbuild_xx(a, full, &mb, &bpos) + +#define nfsm_uiotom(p, s) \ +do { \ + int t1; \ + t1 = nfsm_uiotombuf((p), &mb, (s), &bpos); \ + nfsm_bcheck(t1, mreq); \ +} while (0) + +#define nfsm_strtom(a, s, m) \ +do { \ + int t1; \ + t1 = nfsm_strtom_xx((a), (s), (m), &mb, &bpos); \ + nfsm_bcheck(t1, mreq); \ +} while (0) + +/* *********************************** */ +/* Send the request */ + +#define nfsm_request(v, t, p, c) \ +do { \ + sigset_t oldset; \ + nfs_set_sigmask(p, &oldset); \ + error = nfs_request((v), mreq, (t), (p), (c), &mrep, &md, &dpos); \ + nfs_restore_sigmask(p, &oldset); \ + if (error != 0) { \ + if (error & NFSERR_RETERR) \ + error &= ~NFSERR_RETERR; \ + else \ + goto nfsmout; \ + } \ +} while (0) + +/* *********************************** */ +/* Reply interpretation phase macros */ + +int nfsm_mtofh_xx(struct vnode *d, struct vnode **v, int v3, int *f, + struct mbuf **md, caddr_t *dpos); +int nfsm_getfh_xx(nfsfh_t **f, int *s, int v3, struct mbuf **md, + caddr_t *dpos); +int nfsm_loadattr_xx(struct vnode **v, struct vattr *va, struct mbuf **md, + caddr_t *dpos); +int nfsm_postop_attr_xx(struct vnode **v, int *f, struct vattr *va, + struct mbuf **md, caddr_t *dpos); +int nfsm_wcc_data_xx(struct vnode **v, int *f, struct mbuf **md, + caddr_t *dpos); + +#define nfsm_mtofh(d, v, v3, f) \ +do { \ + int32_t t1; \ + t1 = nfsm_mtofh_xx((d), &(v), (v3), &(f), &md, &dpos); \ + nfsm_dcheck(t1, mrep); \ +} while (0) + +#define nfsm_getfh(f, s, v3) \ +do { \ + int32_t t1; \ + t1 = nfsm_getfh_xx(&(f), &(s), (v3), &md, &dpos); \ + nfsm_dcheck(t1, mrep); \ +} while (0) + +#define nfsm_loadattr(v, a) \ +do { \ + int32_t t1; \ + t1 = nfsm_loadattr_xx(&v, a, &md, &dpos); \ + nfsm_dcheck(t1, mrep); \ +} while (0) + +#define nfsm_postop_attr(v, f) \ +do { \ + int32_t t1; \ + t1 = nfsm_postop_attr_xx(&v, &f, NULL, &md, &dpos); \ + nfsm_dcheck(t1, mrep); \ +} while (0) + +#define nfsm_postop_attr_va(v, f, va) \ +do { \ + int32_t t1; \ + t1 = nfsm_postop_attr_xx(&v, &f, va, &md, &dpos); \ + nfsm_dcheck(t1, mrep); \ +} while (0) + +/* Used as (f) for nfsm_wcc_data() */ +#define NFSV3_WCCRATTR 0 +#define NFSV3_WCCCHK 1 + +#define nfsm_wcc_data(v, f) \ +do { \ + int32_t t1; \ + t1 = nfsm_wcc_data_xx(&v, &f, &md, &dpos); \ + nfsm_dcheck(t1, mrep); \ +} while (0) + +#endif |