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+/*
+ * Copyright (c) 1997-2014 Erez Zadok
+ * Copyright (c) 1990 Jan-Simon Pendry
+ * Copyright (c) 1990 Imperial College of Science, Technology & Medicine
+ * Copyright (c) 1990 The Regents of the University of California.
+ * All rights reserved.
+ *
+ * This code is derived from software contributed to Berkeley by
+ * Jan-Simon Pendry at Imperial College, London.
+ *
+ * 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.
+ *
+ *
+ * File: am-utils/conf/nfs_prot/nfs_prot_linux.h
+ *
+ */
+
+#ifndef _AMU_NFS_PROT_H
+#define _AMU_NFS_PROT_H
+
+#ifdef HAVE_RPCSVC_NFS_PROT_H
+# include <rpcsvc/nfs_prot.h>
+#endif /* HAVE_RPCSVC_NFS_PROT_H */
+
+/*
+ * Hard-code support for some file systems so the built amd
+ * binary can always run them. Also, this helps detection of iso9660
+ * file system for which the module isn't named as the file system mount
+ * name.
+ */
+#include <linux/version.h>
+#ifndef KERNEL_VERSION
+# define KERNEL_VERSION(a,b,c) (((a) << 16) + ((b) << 8) + (c))
+#endif /* not KERNEL_VERSION */
+#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,4,0)
+# ifndef MS_BIND
+# define MS_BIND 4096
+# endif /* not MS_BIND */
+
+# ifndef MNTTYPE_LOFS
+# define MNTTYPE_LOFS "bind"
+# endif /* not MNTTYPE_LOFS */
+#endif /* LINUX_VERSION_CODE >= KERNEL_VERSION(2,4,0) */
+
+#ifndef MNTTYPE_ISO9660
+# define MNTTYPE_ISO9660 "iso9660"
+#endif /* not MNTTYPE_ISO9660 */
+
+#ifndef FHSIZE
+# define FHSIZE 32
+#endif /* not FHSIZE */
+#ifndef FHSIZE3
+# define FHSIZE3 64
+#endif /* not FHSIZE3 */
+
+#ifdef HAVE_FS_NFS3
+#ifndef MNTTYPE_NFS3
+# define MNTTYPE_NFS3 "nfs"
+#endif /* not MNTTYPE_NFS3 */
+#endif /* HAVE_FS_NFS3 */
+
+/*
+ * These two force/lazy unmount flags are sometimes missing from some linux
+ * systems' headers.
+ */
+#ifdef HAVE_UMOUNT2
+# ifndef MNT_FORCE
+# define MNT_FORCE 0x1 /* from <sys/mount.h> */
+# endif /* not MNT_FORCE */
+# ifndef MNT_DETACH
+# define MNT_DETACH 0x2 /* from kernel <linux/fs.h> */
+# endif /* not MNT_DETACH */
+#endif /* HAVE_UMOUNT2 */
+
+/* XXX: hack until we have a better way to detect /dev/loop devices */
+#ifdef HAVE_LINUX_LOOP_H
+# define HAVE_LOOP_DEVICE
+extern char *setup_loop_device(const char *file);
+extern int delete_loop_device(const char *device);
+#endif /* HAVE_LINUX_LOOP_H */
+
+
+/*
+ * MACROS:
+ */
+#define dr_drok_u diropres
+#define ca_attributes attributes
+#define ca_where where
+#define da_fhandle dir
+#define da_name name
+#define dl_entries entries
+#define dl_eof eof
+#define dr_status status
+#define dr_u diropres_u
+#define drok_attributes attributes
+#define drok_fhandle file
+#define fh_data data
+#define fhsize root.size
+#define la_fhandle from
+#define la_to to
+#define na_atime atime
+#define na_blocks blocks
+#define na_blocksize blocksize
+#define na_ctime ctime
+#define na_fileid fileid
+#define na_fsid fsid
+#define na_gid gid
+#define na_mode mode
+#define na_mtime mtime
+#define na_nlink nlink
+#define na_rdev rdev
+#define na_size size
+#define na_type type
+#define na_uid uid
+#define ne_cookie cookie
+#define ne_fileid fileid
+#define ne_name name
+#define ne_nextentry nextentry
+#define ns_attr_u attributes
+#define ns_status status
+#define ns_u attrstat_u
+#define nt_seconds seconds
+#define nt_useconds useconds
+#define ra_count count
+#define ra_fhandle file
+#define ra_offset offset
+#define ra_totalcount totalcount
+#define raok_attributes attributes
+#define raok_len_u data_len
+#define raok_u data
+#define raok_val_u data_val
+#define rda_cookie cookie
+#define rda_count count
+#define rda_fhandle dir
+#define rdr_reply_u reply
+#define rdr_status status
+#define rdr_u readdirres_u
+#define rlr_data_u data
+#define rlr_status status
+#define rlr_u readlinkres_u
+#define rna_from from
+#define rna_to to
+#define rr_reply_u reply
+#define rr_status status
+#define rr_u readres_u
+#define sa_atime atime
+#define sa_gid gid
+#define sa_mode mode
+#define sa_mtime mtime
+#define sa_size size
+#define sa_uid uid
+#define sag_attributes attributes
+#define sag_fhandle file
+#define sfr_reply_u reply
+#define sfr_status status
+#define sfr_u statfsres_u
+#define sfrok_bavail bavail
+#define sfrok_bfree bfree
+#define sfrok_blocks blocks
+#define sfrok_bsize bsize
+#define sfrok_tsize tsize
+#define sla_attributes attributes
+#define sla_from from
+#define sla_to to
+#define wra_beginoffset beginoffset
+#define wra_fhandle file
+#define wra_len_u data_len
+#define wra_offset offset
+#define wra_totalcount totalcount
+#define wra_u data
+#define wra_val_u data_val
+
+
+/*
+ * TYPEDEFS:
+ */
+typedef attrstat nfsattrstat;
+typedef createargs nfscreateargs;
+typedef dirlist nfsdirlist;
+typedef diropargs nfsdiropargs;
+typedef diropokres nfsdiropokres;
+typedef diropres nfsdiropres;
+typedef entry nfsentry;
+typedef fattr nfsfattr;
+typedef ftype nfsftype;
+typedef linkargs nfslinkargs;
+typedef readargs nfsreadargs;
+typedef readdirargs nfsreaddirargs;
+typedef readdirres nfsreaddirres;
+typedef readlinkres nfsreadlinkres;
+typedef readokres nfsreadokres;
+typedef readres nfsreadres;
+typedef renameargs nfsrenameargs;
+typedef sattr nfssattr;
+typedef sattrargs nfssattrargs;
+typedef statfsokres nfsstatfsokres;
+typedef statfsres nfsstatfsres;
+typedef symlinkargs nfssymlinkargs;
+typedef writeargs nfswriteargs;
+
+/* Autofs trick */
+typedef int autofs_args_t;
+
+/*
+ * We use our own definitions here, because the definitions in the
+ * kernel change the API (though not the ABI) *way* too often.
+ */
+#undef nfs_args_t
+struct nfs2_fh {
+ char data[FHSIZE];
+};
+
+struct nfs3_fh {
+ u_short size;
+ u_char data[FHSIZE3];
+};
+
+struct nfs_args {
+ int version; /* 1 */
+ int fd; /* 1 */
+ struct nfs2_fh old_root; /* 1 */
+ int flags; /* 1 */
+ int rsize; /* 1 */
+ int wsize; /* 1 */
+ int timeo; /* 1 */
+ int retrans; /* 1 */
+ int acregmin; /* 1 */
+ int acregmax; /* 1 */
+ int acdirmin; /* 1 */
+ int acdirmax; /* 1 */
+ struct sockaddr_in addr; /* 1 */
+ char hostname[256]; /* 1 */
+ int namlen; /* 2 */
+ unsigned int bsize; /* 3 */
+ struct nfs3_fh root; /* 4 */
+ int pseudoflavor; /* 5 */
+ char context[256 + 1];/* 6 */
+};
+typedef struct nfs_args nfs_args_t;
+
+#define NFS4_MOUNT_VERSION 1
+
+struct nfs_string {
+ unsigned int len;
+ char *data;
+};
+
+struct nfs4_args {
+ int version; /* 1 */
+ int flags; /* 1 */
+ int rsize; /* 1 */
+ int wsize; /* 1 */
+ int timeo; /* 1 */
+ int retrans; /* 1 */
+ int acregmin; /* 1 */
+ int acregmax; /* 1 */
+ int acdirmin; /* 1 */
+ int acdirmax; /* 1 */
+ struct nfs_string client_addr; /* 1 */
+ struct nfs_string mnt_path; /* 1 */
+ struct nfs_string hostname; /* 1 */
+ unsigned int host_addrlen; /* 1 */
+ struct sockaddr *host_addr; /* 1 */
+ int proto; /* 1 */
+ int auth_flavourlen;/* 1 */
+ int *auth_flavours; /* 1 */
+};
+
+typedef struct nfs4_args nfs4_args_t;
+
+/* HACK: these are not defined on Linux but we still need them
+ * internally. We have to be able to differentiate between having a
+ * timeout value set to zero and not having the option at all. These
+ * flags are masked off before passing the nfs_args structure to
+ * mount2() */
+
+#define MNT2_NFS_OPT_ACREGMIN 0x10000
+#define MNT2_NFS_OPT_ACREGMAX 0x20000
+#define MNT2_NFS_OPT_ACDIRMIN 0x40000
+#define MNT2_NFS_OPT_ACDIRMAX 0x80000
+#define MNT2_NFS_OPT_FLAGMASK 0xFFFF
+
+/*
+ * Missing definitions on redhat alpha linux
+ */
+#ifdef _SELECTBITS_H
+# ifndef __FD_ZERO
+/* This line MUST be split! Otherwise m4 will not change it. */
+# define __FD_ZERO(set) \
+ ((void) memset ((__ptr_t) (set), 0, sizeof(fd_set)))
+# endif /* not __FD_ZERO */
+# ifndef __FD_SET
+# define __FD_SET(d, set) ((set)->fds_bits[__FDELT(d)] |= __FDMASK(d))
+# endif /* not __FD_SET */
+# ifndef __FD_CLR
+# define __FD_CLR(d, set) ((set)->fds_bits[__FDELT(d)] &= ~__FDMASK(d))
+# endif /* not __FD_CLR */
+# ifndef __FD_ISSET
+# define __FD_ISSET(d, set) ((set)->fds_bits[__FDELT(d)] & __FDMASK(d))
+# endif /* not __FD_ISSET */
+
+#endif /* _SELECTBITS_H */
+
+/* turn off this (b/c of hlfsd) */
+#undef HAVE_RPC_AUTH_DES_H
+
+extern int linux_version_code();
+/* use a private mapper from errno's to NFS errors */
+extern int linux_nfs_error(int e);
+#define nfs_error(e) linux_nfs_error(e)
+
+#endif /* not _AMU_NFS_PROT_H */