NFS update + make some examples configurable as NSH built-ins

git-svn-id: https://nuttx.svn.sourceforge.net/svnroot/nuttx/trunk@4501 7fd9a85b-ad96-42d3-883c-3090e2eb8679

1 files changed, 127 insertions, 0 deletions

diff --git a/nuttx/fs/nfs/nfs_mount.h b/nuttx/fs/nfs/nfs_mount.h
new file mode 100644
index 000000000..77d5744e9
--- /dev/null
+++ b/nuttx/fs/nfs/nfs_mount.h
@@ -0,0 +1,127 @@
+/****************************************************************************
+ * fs/nfs/nfs_mount.h
+ *
+ *   Copyright (C) 2012 Gregory Nutt. All rights reserved.
+ *   Copyright (C) 2012 Jose Pablo Rojas Vargas. All rights reserved.
+ *   Author: Jose Pablo Rojas Vargas <jrojas@nx-engineering.com>
+ *
+ * Leveraged from OpenBSD:
+ *
+ *  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.
+ *
+ ****************************************************************************/
+
+#ifndef __FS_NFS_NFS_MOUNT_H
+#define __FS_NFS_NFS_MOUNT_H
+
+/****************************************************************************
+ * Included Files
+ ****************************************************************************/
+
+/****************************************************************************
+ * Pre-processor Definitions
+ ****************************************************************************/
+
+#define NFSOP(nmp, op)    (*nmp->nm_nfsops->nn_##op)
+#define NFSHASOP(nmp, op) (nmp->nm_nfsops->nn_##op != NULL)
+#define NFSDAT(nmp, nam)  (nmp->nm_nfsops->nn_##nam)
+
+/* Convert mount ptr to nfsmount ptr. */
+
+#define VFSTONFS(mp)      ((struct nfsmount *)((mp)->i_private))
+
+/****************************************************************************
+ * Public Types
+ ****************************************************************************/
+
+/* Mount structure.
+ * One allocated on every NFS mount.
+ * Holds NFS specific information for mount.
+ */
+
+struct nfsmount
+{
+  int nm_flag;                /* Flags for soft/hard... */
+  int nm_state;               /* Internal state flags */
+  struct inode *nm_mountp;    /* Vfs structure for this filesystem */
+  int nm_numgrps;             /* Max. size of groupslist */
+  nfsfh_t nm_fh;              /* File handle of root dir */
+  int nm_fhsize;              /* Size of root file handle */
+  struct rpcclnt nm_rpcclnt;  /* rpc state */
+  struct socket *nm_so;       /* Rpc socket */
+  int nm_sotype;              /* Type of socket */
+  int nm_soproto;             /* and protocol */
+  int nm_soflags;             /* pr_flags for socket protocol */
+  struct sockaddr *nm_nam;    /* Addr of server */
+  int nm_timeo;               /* Init timer for NFSMNT_DUMBTIMR */
+  int nm_retry;               /* Max retries */
+  int nm_srtt[4];             /* Timers for rpcs */
+  int nm_sdrtt[4];
+  int nm_sent;                /* Request send count */
+  int nm_cwnd;                /* Request send window */
+  int nm_timeouts;            /* Request timeouts */
+  int nm_deadthresh;          /* Threshold of timeouts-->dead server */
+  int nm_rsize;               /* Max size of read rpc */
+  int nm_wsize;               /* Max size of write rpc */
+  int nm_readdirsize;         /* Size of a readdir rpc */
+  int nm_readahead;           /* Num. of blocks to readahead */
+  int nm_acdirmin;            /* Directory attr cache min lifetime */
+  int nm_acdirmax;            /* Directory attr cache max lifetime */
+  int nm_acregmin;            /* Reg file attr cache min lifetime */
+  int nm_acregmax;            /* Reg file attr cache max lifetime */
+  unsigned char nm_verf[NFSX_V3WRITEVERF];    /* V3 write verifier */
+};
+
+/****************************************************************************
+ * Public Function Prototypes
+ ****************************************************************************/
+
+/* Prototypes for NFS mount operations: */
+
+int nfs_mount(struct mount *, const char *, void *, struct nameidata *,
+              struct proc *);
+int mountnfs(struct nfs_args *, struct mount *, struct mbuf *, char *, char *);
+void nfs_decode_args(struct nfsmount *, struct nfs_args *, struct nfs_args *);
+int nfs_start(struct mount *, int, struct proc *);
+int nfs_unmount(struct mount *, int, struct proc *);
+int nfs_root(struct mount *, struct vnode **);
+int nfs_quotactl(struct mount *, int, uid_t, caddr_t, struct proc *);
+int nfs_statfs(struct mount *, struct statfs *, struct proc *);
+int nfs_sync(struct mount *, int, struct ucred *, struct proc *);
+int nfs_vget(struct mount *, ino_t, struct vnode **);
+int nfs_fhtovp(struct mount *, struct fid *, struct vnode **);
+int nfs_vptofh(struct vnode *, struct fid *);
+int nfs_fsinfo(struct nfsmount *, struct vnode *, struct ucred *,
+               struct proc *);
+void nfs_init(void);
+
+#endif