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 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}; 46 47/* 48 * Functions exported by the lockd module 49 */ 50 51extern struct nlm_host *nlmclnt_init(const struct nlmclnt_initdata *nlm_init); 52extern void nlmclnt_done(struct nlm_host *host); 53 54extern int nlmclnt_proc(struct nlm_host *host, int cmd, 55 struct file_lock *fl); 56extern int lockd_up(void); 57extern void lockd_down(void); 58 59#endif /* LINUX_LOCKD_BIND_H */ 60