1 /* $NetBSD: nfscl.h,v 1.1.1.1 2013/09/30 07:19:39 dholland Exp $ */ 2 /*- 3 * Copyright (c) 2009 Rick Macklem, University of Guelph 4 * All rights reserved. 5 * 6 * Redistribution and use in source and binary forms, with or without 7 * modification, are permitted provided that the following conditions 8 * are met: 9 * 1. Redistributions of source code must retain the above copyright 10 * notice, this list of conditions and the following disclaimer. 11 * 2. Redistributions in binary form must reproduce the above copyright 12 * notice, this list of conditions and the following disclaimer in the 13 * documentation and/or other materials provided with the distribution. 14 * 15 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 16 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 17 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 18 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 19 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 20 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 21 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 22 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 23 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 24 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 25 * SUCH DAMAGE. 26 * 27 * FreeBSD: head/sys/fs/nfs/nfscl.h 244042 2012-12-08 22:52:39Z rmacklem 28 * $NetBSD: nfscl.h,v 1.1.1.1 2013/09/30 07:19:39 dholland Exp $ 29 */ 30 31 #ifndef _NFS_NFSCL_H 32 #define _NFS_NFSCL_H 33 34 /* 35 * Extra stuff for a NFSv4 nfsnode. 36 * MALLOC'd to the correct length for the name and file handle. 37 * n4_data has the file handle, followed by the file name. 38 * The macro NFS4NODENAME() returns a pointer to the start of the 39 * name. 40 */ 41 struct nfsv4node { 42 u_int16_t n4_fhlen; 43 u_int16_t n4_namelen; 44 u_int8_t n4_data[1]; 45 }; 46 47 #define NFS4NODENAME(n) (&((n)->n4_data[(n)->n4_fhlen])) 48 49 /* 50 * Just a macro to convert the nfscl_reqstart arguments. 51 */ 52 #define NFSCL_REQSTART(n, p, v) \ 53 nfscl_reqstart((n), (p), VFSTONFS((v)->v_mount), \ 54 VTONFS(v)->n_fhp->nfh_fh, VTONFS(v)->n_fhp->nfh_len, NULL, NULL) 55 56 /* 57 * These two macros convert between a lease duration and renew interval. 58 * For now, just make the renew interval 1/2 the lease duration. 59 * (They should be inverse operators.) 60 */ 61 #define NFSCL_RENEW(l) (((l) < 2) ? 1 : ((l) / 2)) 62 #define NFSCL_LEASE(r) ((r) * 2) 63 64 /* 65 * These flag bits are used for the argument to nfscl_fillsattr() to 66 * indicate special handling of the attributes. 67 */ 68 #define NFSSATTR_FULL 0x1 69 #define NFSSATTR_SIZE0 0x2 70 #define NFSSATTR_SIZENEG1 0x4 71 #define NFSSATTR_SIZERDEV 0x8 72 73 /* Use this macro for debug printfs. */ 74 #define NFSCL_DEBUG(level, ...) do { \ 75 if (nfscl_debuglevel >= (level)) \ 76 printf(__VA_ARGS__); \ 77 } while (0) 78 79 #endif /* _NFS_NFSCL_H */ 80