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-rw-r--r--include/linux/nfs_idmap.h76
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diff --git a/include/linux/nfs_idmap.h b/include/linux/nfs_idmap.h
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+/*
+ * include/linux/nfs_idmap.h
+ *
+ * UID and GID to name mapping for clients.
+ *
+ * Copyright (c) 2002 The Regents of the University of Michigan.
+ * All rights reserved.
+ *
+ * Marius Aamodt Eriksen <marius@umich.edu>
+ *
+ * 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 ``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 NFS_IDMAP_H
+#define NFS_IDMAP_H
+
+/* XXX from bits/utmp.h */
+#define IDMAP_NAMESZ 128
+
+#define IDMAP_TYPE_USER 0
+#define IDMAP_TYPE_GROUP 1
+
+#define IDMAP_CONV_IDTONAME 0
+#define IDMAP_CONV_NAMETOID 1
+
+#define IDMAP_STATUS_INVALIDMSG 0x01
+#define IDMAP_STATUS_AGAIN 0x02
+#define IDMAP_STATUS_LOOKUPFAIL 0x04
+#define IDMAP_STATUS_SUCCESS 0x08
+
+struct idmap_msg {
+ __u8 im_type;
+ __u8 im_conv;
+ char im_name[IDMAP_NAMESZ];
+ __u32 im_id;
+ __u8 im_status;
+};
+
+#ifdef __KERNEL__
+
+/* Forward declaration to make this header independent of others */
+struct nfs4_client;
+
+void nfs_idmap_new(struct nfs4_client *);
+void nfs_idmap_delete(struct nfs4_client *);
+
+int nfs_map_name_to_uid(struct nfs4_client *, const char *, size_t, __u32 *);
+int nfs_map_group_to_gid(struct nfs4_client *, const char *, size_t, __u32 *);
+int nfs_map_uid_to_name(struct nfs4_client *, __u32, char *);
+int nfs_map_gid_to_group(struct nfs4_client *, __u32, char *);
+#endif /* __KERNEL__ */
+
+#endif /* NFS_IDMAP_H */
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