cachepc-linux

Fork of AMDESE/linux with modifications for CachePC side-channel attack
git clone https://git.sinitax.com/sinitax/cachepc-linux
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nfs4idmap.h (2801B)


      1/*
      2 * fs/nfs/nfs4idmap.h
      3 *
      4 *  UID and GID to name mapping for clients.
      5 *
      6 *  Copyright (c) 2002 The Regents of the University of Michigan.
      7 *  All rights reserved.
      8 *
      9 *  Marius Aamodt Eriksen <marius@umich.edu>
     10 *
     11 *  Redistribution and use in source and binary forms, with or without
     12 *  modification, are permitted provided that the following conditions
     13 *  are met:
     14 *
     15 *  1. Redistributions of source code must retain the above copyright
     16 *     notice, this list of conditions and the following disclaimer.
     17 *  2. Redistributions in binary form must reproduce the above copyright
     18 *     notice, this list of conditions and the following disclaimer in the
     19 *     documentation and/or other materials provided with the distribution.
     20 *  3. Neither the name of the University nor the names of its
     21 *     contributors may be used to endorse or promote products derived
     22 *     from this software without specific prior written permission.
     23 *
     24 *  THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED
     25 *  WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
     26 *  MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
     27 *  DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
     28 *  FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
     29 *  CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
     30 *  SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
     31 *  BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
     32 *  LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
     33 *  NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
     34 *  SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     35 */
     36#ifndef NFS_IDMAP_H
     37#define NFS_IDMAP_H
     38
     39#include <linux/uidgid.h>
     40#include <uapi/linux/nfs_idmap.h>
     41
     42
     43/* Forward declaration to make this header independent of others */
     44struct nfs_client;
     45struct nfs_server;
     46struct nfs_fattr;
     47struct nfs4_string;
     48
     49int nfs_idmap_init(void);
     50void nfs_idmap_quit(void);
     51int nfs_idmap_new(struct nfs_client *);
     52void nfs_idmap_delete(struct nfs_client *);
     53
     54void nfs_fattr_init_names(struct nfs_fattr *fattr,
     55		struct nfs4_string *owner_name,
     56		struct nfs4_string *group_name);
     57void nfs_fattr_free_names(struct nfs_fattr *);
     58void nfs_fattr_map_and_free_names(struct nfs_server *, struct nfs_fattr *);
     59
     60int nfs_map_name_to_uid(const struct nfs_server *, const char *, size_t, kuid_t *);
     61int nfs_map_group_to_gid(const struct nfs_server *, const char *, size_t, kgid_t *);
     62int nfs_map_uid_to_name(const struct nfs_server *, kuid_t, char *, size_t);
     63int nfs_map_gid_to_group(const struct nfs_server *, kgid_t, char *, size_t);
     64
     65int nfs_map_string_to_numeric(const char *name, size_t namelen, __u32 *res);
     66
     67extern unsigned int nfs_idmap_cache_timeout;
     68#endif /* NFS_IDMAP_H */