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 */ 20 struct svc_rqst; 21 22 /* 23 * This is the set of functions for lockd->nfsd communication 24 */ 25 struct nlmsvc_binding { 26 __be32 (*fopen)(struct svc_rqst *, 27 struct nfs_fh *, 28 struct file **); 29 void (*fclose)(struct file *); 30 }; 31 32 extern const struct nlmsvc_binding *nlmsvc_ops; 33 34 /* 35 * Similar to nfs_client_initdata, but without the NFS-specific 36 * rpc_ops field. 37 */ 38 struct 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 52 extern struct nlm_host *nlmclnt_init(const struct nlmclnt_initdata *nlm_init); 53 extern void nlmclnt_done(struct nlm_host *host); 54 55 extern int nlmclnt_proc(struct nlm_host *host, int cmd, 56 struct file_lock *fl); 57 extern int lockd_up(struct net *net); 58 extern void lockd_down(struct net *net); 59 60 #endif /* LINUX_LOCKD_BIND_H */ 61