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/*-
* 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.
* 4. 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 _NFS_NFS_COMMON_H_
#define _NFS_NFS_COMMON_H_
extern enum vtype nv3tov_type[];
extern nfstype nfsv3_type[];
#define vtonfsv2_mode(t, m) \
txdr_unsigned(((t) == VFIFO) ? MAKEIMODE(VCHR, (m)) : MAKEIMODE((t), (m)))
#define nfsv3tov_type(a) nv3tov_type[fxdr_unsigned(u_int32_t,(a))&0x7]
#define vtonfsv3_type(a) txdr_unsigned(nfsv3_type[((int32_t)(a))])
int nfs_adv(struct mbuf **, caddr_t *, int, int);
u_quad_t nfs_curusec(void);
void *nfsm_disct(struct mbuf **, caddr_t *, int, int, int);
/* ****************************** */
/* Build request/reply phase macros */
void *nfsm_build_xx(int s, struct mbuf **mb, caddr_t *bpos);
#define nfsm_build(c, s) \
(c)nfsm_build_xx((s), &mb, &bpos)
/* ****************************** */
/* Interpretation phase macros */
void *nfsm_dissect_xx(int s, struct mbuf **md, caddr_t *dpos);
void *nfsm_dissect_xx_nonblock(int s, struct mbuf **md, caddr_t *dpos);
int nfsm_strsiz_xx(int *s, int m, struct mbuf **md, caddr_t *dpos);
int nfsm_adv_xx(int s, struct mbuf **md, caddr_t *dpos);
/* Error check helpers */
#define nfsm_dcheck(t1, mrep) \
do { \
if (t1 != 0) { \
error = t1; \
m_freem((mrep)); \
(mrep) = NULL; \
goto nfsmout; \
} \
} while (0)
#define nfsm_dcheckp(retp, mrep) \
do { \
if (retp == NULL) { \
error = EBADRPC; \
m_freem((mrep)); \
(mrep) = NULL; \
goto nfsmout; \
} \
} while (0)
#define nfsm_dissect(c, s) \
({ \
void *ret; \
ret = nfsm_dissect_xx((s), &md, &dpos); \
nfsm_dcheckp(ret, mrep); \
(c)ret; \
})
#define nfsm_dissect_nonblock(c, s) \
({ \
void *ret; \
ret = nfsm_dissect_xx_nonblock((s), &md, &dpos); \
nfsm_dcheckp(ret, mrep); \
(c)ret; \
})
#define nfsm_strsiz(s,m) \
do { \
int t1; \
t1 = nfsm_strsiz_xx(&(s), (m), &md, &dpos); \
nfsm_dcheck(t1, mrep); \
} while(0)
#define nfsm_mtouio(p,s) \
do {\
int32_t t1 = 0; \
if ((s) > 0) \
t1 = nfsm_mbuftouio(&md, (p), (s), &dpos); \
nfsm_dcheck(t1, mrep); \
} while (0)
#define nfsm_rndup(a) (((a)+3)&(~0x3))
#define nfsm_adv(s) \
do { \
int t1; \
t1 = nfsm_adv_xx((s), &md, &dpos); \
nfsm_dcheck(t1, mrep); \
} while (0)
#ifdef __NO_STRICT_ALIGNMENT
#define nfsm_aligned(p, t) 1
#else
#define nfsm_aligned(p, t) ((((u_long)(p)) & (sizeof(t) - 1)) == 0)
#endif
#endif
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