Add the beginnings of NFS client support

git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@4443 42af7a65-404d-4744-a932-0658087f49c3

1 files changed, 111 insertions, 0 deletions

diff --git a/nuttx/fs/nfs/rpc_types.h b/nuttx/fs/nfs/rpc_types.h
new file mode 100644
index 000000000..e1ec76e6a
--- /dev/null
+++ b/nuttx/fs/nfs/rpc_types.h
@@ -0,0 +1,111 @@
+/****************************************************************************
+ * fs/nfs/rpc_types.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) 1982, 1986, 1988, 1993
+ *      The Regents of the University of California.  All rights reserved.
+ *
+ * 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.
+ *
+ ****************************************************************************/
+
+#ifndef __FS_NFS_RPC_TYPES_H
+#define __FS_NFS_RPC_TYPES_H
+
+/****************************************************************************
+ * Included Files
+ ****************************************************************************/
+
+#include <sys/types.h>
+#include <time.h>
+
+/****************************************************************************
+ * Pre-processor Definitions
+ ****************************************************************************/
+
+/****************************************************************************
+ * Public Types
+ ****************************************************************************/
+
+struct lock
+{
+  int dummy;
+};
+
+struct iovec
+{
+  void *iov_base;             /* Base address. */
+  size_t iov_len;             /* Length. */
+};
+
+enum uio_rw
+{
+  UIO_READ,
+  UIO_WRITE
+};
+
+/* Segment flag values. */
+
+enum uio_seg
+{
+  UIO_USERSPACE,              /* from user data space */
+  UIO_SYSSPACE                /* from system space */
+};
+
+struct uio
+{
+  struct iovec *uio_iov;      /* scatter/gather list */
+  int uio_iovcnt;             /* length of scatter/gather list */
+  off_t uio_offset;           /* offset in target object */
+  ssize_t uio_resid;          /* remaining bytes to process */
+  enum uio_seg uio_segflg;    /* address space */
+  enum uio_rw uio_rw;         /* operation */
+  struct thread *uio_procp;   /* owner */
+};
+
+struct componentname
+{
+  /* Arguments to lookup. */
+
+  unsigned long cn_nameiop;   /* namei operation */
+  uint64_t cn_flags;          /* flags to namei */
+  struct thread *cn_thread;   /* thread requesting lookup */
+  struct ucred *cn_cred;      /* credentials */
+  int cn_lkflags;             /* Lock flags LK_EXCLUSIVE or LK_SHARED */
+
+  /* Shared between lookup and commit routines. */
+
+  char *cn_pnbuf;             /* pathname buffer */
+  char *cn_nameptr;           /* pointer to looked up name */
+  long cn_namelen;            /* length of looked up component */
+  long cn_consume;            /* chars to consume in lookup() */
+};
+
+#endif /* __FS_NFS_RPC_TYPES_H */