LXR linux/include/linux/lockd/bind.h

   1/*
   2 * linux/include/linux/lockd/bind.h
   3 *
   4 * This is the part of lockd visible to nfsd and the nfs client.
   5 *
   6 * Copyright (C) 1996, Olaf Kirch <okir@monad.swb.de>
   7 */
   8
   9#ifndef LINUX_LOCKD_BIND_H
  10#define LINUX_LOCKD_BIND_H
  11
  12#include <linux/lockd/nlm.h>
  13/* need xdr-encoded error codes too, so... */
  14#include <linux/lockd/xdr.h>
  15#ifdef CONFIG_LOCKD_V4
  16#include <linux/lockd/xdr4.h>
  17#endif
  18
  19/* Dummy declarations */
  20struct svc_rqst;
  21
  22/*
  23 * This is the set of functions for lockd->nfsd communication
  24 */
  25struct nlmsvc_binding {
  26        __be32                  (*fopen)(struct svc_rqst *,
  27                                                struct nfs_fh *,
  28                                                struct file **);
  29        void                    (*fclose)(struct file *);
  30};
  31
  32extern const struct nlmsvc_binding *nlmsvc_ops;
  33
  34/*
  35 * Similar to nfs_client_initdata, but without the NFS-specific
  36 * rpc_ops field.
  37 */
  38struct nlmclnt_initdata {
  39        const char              *hostname;
  40        const struct sockaddr   *address;
  41        size_t                  addrlen;
  42        unsigned short          protocol;
  43        u32                     nfs_version;
  44        int                     noresvport;
  45        struct net              *net;
  46};
  47
  48/*
  49 * Functions exported by the lockd module
  50 */
  51
  52extern struct nlm_host *nlmclnt_init(const struct nlmclnt_initdata *nlm_init);
  53extern void     nlmclnt_done(struct nlm_host *host);
  54
  55extern int      nlmclnt_proc(struct nlm_host *host, int cmd,
  56                                        struct file_lock *fl);
  57extern int      lockd_up(struct net *net);
  58extern void     lockd_down(struct net *net);
  59
  60#endif /* LINUX_LOCKD_BIND_H */
  61