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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bind.h (2225B)

      1/* SPDX-License-Identifier: GPL-2.0 */
      2/*
      3 * linux/include/linux/lockd/bind.h
      4 *
      5 * This is the part of lockd visible to nfsd and the nfs client.
      6 *
      7 * Copyright (C) 1996, Olaf Kirch <okir@monad.swb.de>
      8 */
      9
     10#ifndef LINUX_LOCKD_BIND_H
     11#define LINUX_LOCKD_BIND_H
     12
     13#include <linux/lockd/nlm.h>
     14/* need xdr-encoded error codes too, so... */
     15#include <linux/lockd/xdr.h>
     16#ifdef CONFIG_LOCKD_V4
     17#include <linux/lockd/xdr4.h>
     18#endif
     19
     20/* Dummy declarations */
     21struct svc_rqst;
     22struct rpc_task;
     23
     24/*
     25 * This is the set of functions for lockd->nfsd communication
     26 */
     27struct nlmsvc_binding {
     28	__be32			(*fopen)(struct svc_rqst *,
     29						struct nfs_fh *,
     30						struct file **,
     31						int mode);
     32	void			(*fclose)(struct file *);
     33};
     34
     35extern const struct nlmsvc_binding *nlmsvc_ops;
     36
     37/*
     38 * Similar to nfs_client_initdata, but without the NFS-specific
     39 * rpc_ops field.
     40 */
     41struct nlmclnt_initdata {
     42	const char		*hostname;
     43	const struct sockaddr	*address;
     44	size_t			addrlen;
     45	unsigned short		protocol;
     46	u32			nfs_version;
     47	int			noresvport;
     48	struct net		*net;
     49	const struct nlmclnt_operations	*nlmclnt_ops;
     50	const struct cred	*cred;
     51};
     52
     53/*
     54 * Functions exported by the lockd module
     55 */
     56
     57extern struct nlm_host *nlmclnt_init(const struct nlmclnt_initdata *nlm_init);
     58extern void	nlmclnt_done(struct nlm_host *host);
     59
     60/*
     61 * NLM client operations provide a means to modify RPC processing of NLM
     62 * requests.  Callbacks receive a pointer to data passed into the call to
     63 * nlmclnt_proc().
     64 */
     65struct nlmclnt_operations {
     66	/* Called on successful allocation of nlm_rqst, use for allocation or
     67	 * reference counting. */
     68	void (*nlmclnt_alloc_call)(void *);
     69
     70	/* Called in rpc_task_prepare for unlock.  A return value of true
     71	 * indicates the callback has put the task to sleep on a waitqueue
     72	 * and NLM should not call rpc_call_start(). */
     73	bool (*nlmclnt_unlock_prepare)(struct rpc_task*, void *);
     74
     75	/* Called when the nlm_rqst is freed, callbacks should clean up here */
     76	void (*nlmclnt_release_call)(void *);
     77};
     78
     79extern int	nlmclnt_proc(struct nlm_host *host, int cmd, struct file_lock *fl, void *data);
     80extern int	lockd_up(struct net *net, const struct cred *cred);
     81extern void	lockd_down(struct net *net);
     82
     83#endif /* LINUX_LOCKD_BIND_H */