1 /*- 2 * Copyright (c) 2009 Rick Macklem, University of Guelph 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * 2. Redistributions in binary form must reproduce the above copyright 11 * notice, this list of conditions and the following disclaimer in the 12 * documentation and/or other materials provided with the distribution. 13 * 14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 15 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 17 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 24 * SUCH DAMAGE. 25 * 26 * $FreeBSD$ 27 */ 28 29 #ifndef _NFS_NFSCL_H 30 #define _NFS_NFSCL_H 31 32 /* 33 * Extra stuff for a NFSv4 nfsnode. 34 * MALLOC'd to the correct length for the name and file handle. 35 * n4_data has the file handle, followed by the file name. 36 * The macro NFS4NODENAME() returns a pointer to the start of the 37 * name. 38 */ 39 struct nfsv4node { 40 u_int16_t n4_fhlen; 41 u_int16_t n4_namelen; 42 u_int8_t n4_data[1]; 43 }; 44 45 #define NFS4NODENAME(n) (&((n)->n4_data[(n)->n4_fhlen])) 46 47 /* 48 * Just a macro to convert the nfscl_reqstart arguments. 49 */ 50 #define NFSCL_REQSTART(n, p, v) \ 51 nfscl_reqstart((n), (p), VFSTONFS((v)->v_mount), \ 52 VTONFS(v)->n_fhp->nfh_fh, VTONFS(v)->n_fhp->nfh_len, NULL) 53 54 /* 55 * These two macros convert between a lease duration and renew interval. 56 * For now, just make the renew interval 1/2 the lease duration. 57 * (They should be inverse operators.) 58 */ 59 #define NFSCL_RENEW(l) (((l) < 2) ? 1 : ((l) / 2)) 60 #define NFSCL_LEASE(r) ((r) * 2) 61 62 /* 63 * These flag bits are used for the argument to nfscl_fillsattr() to 64 * indicate special handling of the attributes. 65 */ 66 #define NFSSATTR_FULL 0x1 67 #define NFSSATTR_SIZE0 0x2 68 #define NFSSATTR_SIZENEG1 0x4 69 #define NFSSATTR_SIZERDEV 0x8 70 71 #endif /* _NFS_NFSCL_H */ 72