1 files changed, 58 insertions, 0 deletions

diff --git a/include/uapi/linux/nfsd/export.h b/include/uapi/linux/nfsd/export.h
new file mode 100644
index 000000000000..cf47c313794e
--- /dev/null
+++ b/include/uapi/linux/nfsd/export.h
@@ -0,0 +1,58 @@
+/*
+ * include/linux/nfsd/export.h
+ * 
+ * Public declarations for NFS exports. The definitions for the
+ * syscall interface are in nfsctl.h
+ *
+ * Copyright (C) 1995-1997 Olaf Kirch <okir@monad.swb.de>
+ */
+
+#ifndef _UAPINFSD_EXPORT_H
+#define _UAPINFSD_EXPORT_H
+
+# include <linux/types.h>
+
+/*
+ * Important limits for the exports stuff.
+ */
+#define NFSCLNT_IDMAX           1024
+#define NFSCLNT_ADDRMAX         16
+#define NFSCLNT_KEYMAX          32
+
+/*
+ * Export flags.
+ */
+#define NFSEXP_READONLY         0x0001
+#define NFSEXP_INSECURE_PORT    0x0002
+#define NFSEXP_ROOTSQUASH       0x0004
+#define NFSEXP_ALLSQUASH        0x0008
+#define NFSEXP_ASYNC            0x0010
+#define NFSEXP_GATHERED_WRITES  0x0020
+/* 40 80 100 currently unused */
+#define NFSEXP_NOHIDE           0x0200
+#define NFSEXP_NOSUBTREECHECK   0x0400
+#define NFSEXP_NOAUTHNLM        0x0800          /* Don't authenticate NLM requests - just trust */
+#define NFSEXP_MSNFS            0x1000  /* do silly things that MS clients expect; no longer supported */
+#define NFSEXP_FSID             0x2000
+#define NFSEXP_CROSSMOUNT       0x4000
+#define NFSEXP_NOACL            0x8000  /* reserved for possible ACL related use */
+/*
+ * The NFSEXP_V4ROOT flag causes the kernel to give access only to NFSv4
+ * clients, and only to the single directory that is the root of the
+ * export; further lookup and readdir operations are treated as if every
+ * subdirectory was a mountpoint, and ignored if they are not themselves
+ * exported.  This is used by nfsd and mountd to construct the NFSv4
+ * pseudofilesystem, which provides access only to paths leading to each
+ * exported filesystem.
+ */
+#define NFSEXP_V4ROOT           0x10000
+/* All flags that we claim to support.  (Note we don't support NOACL.) */
+#define NFSEXP_ALLFLAGS         0x17E3F
+
+/* The flags that may vary depending on security flavor: */
+#define NFSEXP_SECINFO_FLAGS    (NFSEXP_READONLY | NFSEXP_ROOTSQUASH \
+                                        | NFSEXP_ALLSQUASH \
+                                        | NFSEXP_INSECURE_PORT)
+
+
+#endif /* _UAPINFSD_EXPORT_H */