/*

   *  Common NFSv4 ACL handling definitions.
   *
   *  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 LINUX_NFS4_ACL_H
  #define LINUX_NFS4_ACL_H
  
  #include <linux/posix_acl.h>

  /* Maximum ACL we'll accept from client; chosen (somewhat arbitrarily) to
   * fit in a page: */
  #define NFS4_ACL_MAX 170
  
  struct nfs4_acl *nfs4_acl_new(int);

  int nfs4_acl_get_whotype(char *, u32);
  int nfs4_acl_write_who(int who, char *p);
  int nfs4_acl_permission(struct nfs4_acl *acl, uid_t owner, gid_t group,
  		                        uid_t who, u32 mask);
  
  #define NFS4_ACL_TYPE_DEFAULT	0x01
  #define NFS4_ACL_DIR		0x02
  #define NFS4_ACL_OWNER		0x04
  
  struct nfs4_acl *nfs4_acl_posix_to_nfsv4(struct posix_acl *,
  				struct posix_acl *, unsigned int flags);
  int nfs4_acl_nfsv4_to_posix(struct nfs4_acl *, struct posix_acl **,
  				struct posix_acl **, unsigned int flags);
  
  #endif /* LINUX_NFS4_ACL_H */