Add build system scaffolding and libc headers

1 files changed, 81 insertions, 0 deletions

diff --git a/include/arch/x86_64/linux/nfsd/export.h b/include/arch/x86_64/linux/nfsd/export.h
new file mode 100644
index 00000000..37a0ffae
--- /dev/null
+++ b/include/arch/x86_64/linux/nfsd/export.h
@@ -0,0 +1,81 @@
+/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
+/*
+ * 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 NFSD_EXPORT_H
+#define NFSD_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.
+ *
+ * Please update the expflags[] array in fs/nfsd/export.c when adding
+ * a new flag.
+ */
+#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
+#define NFSEXP_NOREADDIRPLUS   0x0040
+#define NFSEXP_SECURITY_LABEL  0x0080
+/* 0x100 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
+#define NFSEXP_PNFS   0x20000
+
+/* All flags that we claim to support.  (Note we don't support NOACL.) */
+#define NFSEXP_ALLFLAGS 0x3FEFF
+
+/* The flags that may vary depending on security flavor: */
+#define NFSEXP_SECINFO_FLAGS                                      \
+	(NFSEXP_READONLY | NFSEXP_ROOTSQUASH | NFSEXP_ALLSQUASH | \
+	 NFSEXP_INSECURE_PORT)
+
+/*
+ * Transport layer security policies that are permitted to access
+ * an export
+ */
+#define NFSEXP_XPRTSEC_NONE 0x0001
+#define NFSEXP_XPRTSEC_TLS  0x0002
+#define NFSEXP_XPRTSEC_MTLS 0x0004
+
+#define NFSEXP_XPRTSEC_NUM (3)
+
+#define NFSEXP_XPRTSEC_ALL \
+	(NFSEXP_XPRTSEC_NONE | NFSEXP_XPRTSEC_TLS | NFSEXP_XPRTSEC_MTLS)
+
+#endif /* NFSD_EXPORT_H */