diff --git a/libc/kernel/common/linux/nfs4.h b/libc/kernel/common/linux/nfs4.h
new file mode 100644
index 0000000..2e95e45
--- /dev/null
+++ b/libc/kernel/common/linux/nfs4.h
@@ -0,0 +1,99 @@
+/****************************************************************************
+ ****************************************************************************
+ ***
+ ***   This header was automatically generated from a Linux kernel header
+ ***   of the same name, to make information necessary for userspace to
+ ***   call into the kernel available to libc.  It contains only constants,
+ ***   structures, and macros generated from the original header, and thus,
+ ***   contains no copyrightable information.
+ ***
+ ****************************************************************************
+ ****************************************************************************/
+#ifndef _LINUX_NFS4_H
+#define _LINUX_NFS4_H
+
+#include <linux/types.h>
+
+#define NFS4_VERIFIER_SIZE 8
+#define NFS4_FHSIZE 128
+#define NFS4_MAXPATHLEN PATH_MAX
+#define NFS4_MAXNAMLEN NAME_MAX
+
+#define NFS4_ACCESS_READ 0x0001
+#define NFS4_ACCESS_LOOKUP 0x0002
+#define NFS4_ACCESS_MODIFY 0x0004
+#define NFS4_ACCESS_EXTEND 0x0008
+#define NFS4_ACCESS_DELETE 0x0010
+#define NFS4_ACCESS_EXECUTE 0x0020
+
+#define NFS4_FH_PERSISTENT 0x0000
+#define NFS4_FH_NOEXPIRE_WITH_OPEN 0x0001
+#define NFS4_FH_VOLATILE_ANY 0x0002
+#define NFS4_FH_VOL_MIGRATION 0x0004
+#define NFS4_FH_VOL_RENAME 0x0008
+
+#define NFS4_OPEN_RESULT_CONFIRM 0x0002
+#define NFS4_OPEN_RESULT_LOCKTYPE_POSIX 0x0004
+
+#define NFS4_SHARE_ACCESS_READ 0x0001
+#define NFS4_SHARE_ACCESS_WRITE 0x0002
+#define NFS4_SHARE_ACCESS_BOTH 0x0003
+#define NFS4_SHARE_DENY_READ 0x0001
+#define NFS4_SHARE_DENY_WRITE 0x0002
+#define NFS4_SHARE_DENY_BOTH 0x0003
+
+#define NFS4_SET_TO_SERVER_TIME 0
+#define NFS4_SET_TO_CLIENT_TIME 1
+
+#define NFS4_ACE_ACCESS_ALLOWED_ACE_TYPE 0
+#define NFS4_ACE_ACCESS_DENIED_ACE_TYPE 1
+#define NFS4_ACE_SYSTEM_AUDIT_ACE_TYPE 2
+#define NFS4_ACE_SYSTEM_ALARM_ACE_TYPE 3
+
+#define ACL4_SUPPORT_ALLOW_ACL 0x01
+#define ACL4_SUPPORT_DENY_ACL 0x02
+#define ACL4_SUPPORT_AUDIT_ACL 0x04
+#define ACL4_SUPPORT_ALARM_ACL 0x08
+
+#define NFS4_ACE_FILE_INHERIT_ACE 0x00000001
+#define NFS4_ACE_DIRECTORY_INHERIT_ACE 0x00000002
+#define NFS4_ACE_NO_PROPAGATE_INHERIT_ACE 0x00000004
+#define NFS4_ACE_INHERIT_ONLY_ACE 0x00000008
+#define NFS4_ACE_SUCCESSFUL_ACCESS_ACE_FLAG 0x00000010
+#define NFS4_ACE_FAILED_ACCESS_ACE_FLAG 0x00000020
+#define NFS4_ACE_IDENTIFIER_GROUP 0x00000040
+#define NFS4_ACE_OWNER 0x00000080
+#define NFS4_ACE_GROUP 0x00000100
+#define NFS4_ACE_EVERYONE 0x00000200
+
+#define NFS4_ACE_READ_DATA 0x00000001
+#define NFS4_ACE_LIST_DIRECTORY 0x00000001
+#define NFS4_ACE_WRITE_DATA 0x00000002
+#define NFS4_ACE_ADD_FILE 0x00000002
+#define NFS4_ACE_APPEND_DATA 0x00000004
+#define NFS4_ACE_ADD_SUBDIRECTORY 0x00000004
+#define NFS4_ACE_READ_NAMED_ATTRS 0x00000008
+#define NFS4_ACE_WRITE_NAMED_ATTRS 0x00000010
+#define NFS4_ACE_EXECUTE 0x00000020
+#define NFS4_ACE_DELETE_CHILD 0x00000040
+#define NFS4_ACE_READ_ATTRIBUTES 0x00000080
+#define NFS4_ACE_WRITE_ATTRIBUTES 0x00000100
+#define NFS4_ACE_DELETE 0x00010000
+#define NFS4_ACE_READ_ACL 0x00020000
+#define NFS4_ACE_WRITE_ACL 0x00040000
+#define NFS4_ACE_WRITE_OWNER 0x00080000
+#define NFS4_ACE_SYNCHRONIZE 0x00100000
+#define NFS4_ACE_GENERIC_READ 0x00120081
+#define NFS4_ACE_GENERIC_WRITE 0x00160106
+#define NFS4_ACE_GENERIC_EXECUTE 0x001200A0
+#define NFS4_ACE_MASK_ALL 0x001F01FF
+
+enum nfs4_acl_whotype {
+ NFS4_ACL_WHO_NAMED = 0,
+ NFS4_ACL_WHO_OWNER,
+ NFS4_ACL_WHO_GROUP,
+ NFS4_ACL_WHO_EVERYONE,
+};
+
+#endif
+