/* * linux/include/linux/nfsd/nfsd.h * * Hodge-podge collection of knfsd-related stuff. * I will sort this out later. * * Copyright (C) 1995-1997 Olaf Kirch <okir@monad.swb.de> */#ifndef LINUX_NFSD_NFSD_H#define LINUX_NFSD_NFSD_H#include <linux/config.h>#include <linux/types.h>#include <linux/unistd.h>#include <linux/dirent.h>#include <linux/fs.h>#include <linux/nfsd/debug.h>#include <linux/nfsd/nfsfh.h>#include <linux/nfsd/export.h>#include <linux/nfsd/auth.h>#include <linux/nfsd/stats.h>#include <linux/nfsd/interface.h>/* * nfsd version */#define NFSD_VERSION		"0.5"#ifdef __KERNEL__/* * Special flags for nfsd_permission. These must be different from MAY_READ, * MAY_WRITE, and MAY_EXEC. */#define MAY_NOP			0#define MAY_SATTR		8#define MAY_TRUNC		16#define MAY_LOCK		32#define MAY_OWNER_OVERRIDE	64#if (MAY_SATTR | MAY_TRUNC | MAY_LOCK | MAX_OWNER_OVERRIDE) & (MAY_READ | MAY_WRITE | MAY_EXEC | MAY_OWNER_OVERRIDE)# error "please use a different value for MAY_SATTR or MAY_TRUNC or MAY_LOCK or MAY_OWNER_OVERRIDE."#endif#define MAY_CREATE		(MAY_EXEC|MAY_WRITE)#define MAY_REMOVE		(MAY_EXEC|MAY_WRITE|MAY_TRUNC)/* * Callback function for readdir */struct readdir_cd {	struct svc_rqst *	rqstp;	struct svc_fh *		dirfh;	u32 *			buffer;	int			buflen;	u32 *			offset;		/* previous dirent->d_next */	char			plus;		/* readdirplus */	char			eob;		/* end of buffer */	char			dotonly;};typedef int		(*encode_dent_fn)(struct readdir_cd *, const char *,						int, loff_t, ino_t, unsigned int);typedef int (*nfsd_dirop_t)(struct inode *, struct dentry *, int, int);/* * Procedure table for NFSv2 */extern struct svc_procedure	nfsd_procedures2[];#ifdef CONFIG_NFSD_V3extern struct svc_procedure	nfsd_procedures3[];#endif /* CONFIG_NFSD_V3 */extern struct svc_program	nfsd_program;/* * Function prototypes. */int		nfsd_svc(unsigned short port, int nrservs);/* nfsd/vfs.c */int		fh_lock_parent(struct svc_fh *, struct dentry *);int		nfsd_racache_init(int);void		nfsd_racache_shutdown(void);int		nfsd_lookup(struct svc_rqst *, struct svc_fh *,				const char *, int, struct svc_fh *);int		nfsd_setattr(struct svc_rqst *, struct svc_fh *,				struct iattr *, int, time_t);int		nfsd_create(struct svc_rqst *, struct svc_fh *,				char *name, int len, struct iattr *attrs,				int type, dev_t rdev, struct svc_fh *res);#ifdef CONFIG_NFSD_V3int		nfsd_access(struct svc_rqst *, struct svc_fh *, u32 *);int		nfsd_create_v3(struct svc_rqst *, struct svc_fh *,				char *name, int len, struct iattr *attrs,				struct svc_fh *res, int createmode,				u32 *verifier);int		nfsd_commit(struct svc_rqst *, struct svc_fh *,				off_t, unsigned long);#endif /* CONFIG_NFSD_V3 */int		nfsd_open(struct svc_rqst *, struct svc_fh *, int,				int, struct file *);void		nfsd_close(struct file *);int		nfsd_read(struct svc_rqst *, struct svc_fh *,				loff_t, char *, unsigned long *);int		nfsd_write(struct svc_rqst *, struct svc_fh *,				loff_t, char *, unsigned long, int *);int		nfsd_readlink(struct svc_rqst *, struct svc_fh *,				char *, int *);int		nfsd_symlink(struct svc_rqst *, struct svc_fh *,				char *name, int len, char *path, int plen,				struct svc_fh *res, struct iattr *);int		nfsd_link(struct svc_rqst *, struct svc_fh *,				char *, int, struct svc_fh *);int		nfsd_rename(struct svc_rqst *,				struct svc_fh *, char *, int,				struct svc_fh *, char *, int);int		nfsd_remove(struct svc_rqst *,				struct svc_fh *, char *, int);int		nfsd_unlink(struct svc_rqst *, struct svc_fh *, int type,				char *name, int len);int		nfsd_truncate(struct svc_rqst *, struct svc_fh *,				unsigned long size);int		nfsd_readdir(struct svc_rqst *, struct svc_fh *,				loff_t, encode_dent_fn,				u32 *buffer, int *countp, u32 *verf);int		nfsd_statfs(struct svc_rqst *, struct svc_fh *,				struct statfs *);int		nfsd_notify_change(struct inode *, struct iattr *);int		nfsd_permission(struct svc_export *, struct dentry *, int);/* * lockd binding */void		nfsd_lockd_init(void);void		nfsd_lockd_shutdown(void);void		nfsd_lockd_unexport(struct svc_client *);/* * These macros provide pre-xdr'ed values for faster operation. */#define	nfs_ok			__constant_htonl(NFS_OK)#define	nfserr_perm		__constant_htonl(NFSERR_PERM)#define	nfserr_noent		__constant_htonl(NFSERR_NOENT)#define	nfserr_io		__constant_htonl(NFSERR_IO)#define	nfserr_nxio		__constant_htonl(NFSERR_NXIO)#define	nfserr_eagain		__constant_htonl(NFSERR_EAGAIN)#define	nfserr_acces		__constant_htonl(NFSERR_ACCES)#define	nfserr_exist		__constant_htonl(NFSERR_EXIST)#define	nfserr_xdev		__constant_htonl(NFSERR_XDEV)#define	nfserr_nodev		__constant_htonl(NFSERR_NODEV)#define	nfserr_notdir		__constant_htonl(NFSERR_NOTDIR)#define	nfserr_isdir		__constant_htonl(NFSERR_ISDIR)#define	nfserr_inval		__constant_htonl(NFSERR_INVAL)#define	nfserr_fbig		__constant_htonl(NFSERR_FBIG)#define	nfserr_nospc		__constant_htonl(NFSERR_NOSPC)#define	nfserr_rofs		__constant_htonl(NFSERR_ROFS)#define	nfserr_mlink		__constant_htonl(NFSERR_MLINK)#define	nfserr_opnotsupp	__constant_htonl(NFSERR_OPNOTSUPP)#define	nfserr_nametoolong	__constant_htonl(NFSERR_NAMETOOLONG)#define	nfserr_notempty		__constant_htonl(NFSERR_NOTEMPTY)#define	nfserr_dquot		__constant_htonl(NFSERR_DQUOT)#define	nfserr_stale		__constant_htonl(NFSERR_STALE)#define	nfserr_remote		__constant_htonl(NFSERR_REMOTE)#define	nfserr_wflush		__constant_htonl(NFSERR_WFLUSH)#define	nfserr_badhandle	__constant_htonl(NFSERR_BADHANDLE)#define	nfserr_notsync		__constant_htonl(NFSERR_NOT_SYNC)#define	nfserr_badcookie	__constant_htonl(NFSERR_BAD_COOKIE)#define	nfserr_notsupp		__constant_htonl(NFSERR_NOTSUPP)#define	nfserr_toosmall		__constant_htonl(NFSERR_TOOSMALL)#define	nfserr_serverfault	__constant_htonl(NFSERR_SERVERFAULT)#define	nfserr_badtype		__constant_htonl(NFSERR_BADTYPE)#define	nfserr_jukebox		__constant_htonl(NFSERR_JUKEBOX)/* error code for internal use - if a request fails due to * kmalloc failure, it gets dropped.  Client should resend eventually */#define	nfserr_dropit		__constant_htonl(30000)/* Check for dir entries '.' and '..' */#define isdotent(n, l)	(l < 3 && n[0] == '.' && (l == 1 || n[1] == '.'))/* * Time of server startup */extern struct timeval	nfssvc_boot;#endif /* __KERNEL__ */#endif /* LINUX_NFSD_NFSD_H */