/* $NetBSD: nfs_common.h,v 1.1.1.1 2013/09/30 07:19:32 dholland Exp $ */ /*- * 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: head/sys/nfs/nfs_common.h 245568 2013-01-17 19:03:24Z jhb * $NetBSD: nfs_common.h,v 1.1.1.1 2013/09/30 07:19:32 dholland Exp $ */ #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); void *nfsm_disct(struct mbuf **, caddr_t *, int, int, int); int nfs_realign(struct mbuf **, 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