/* * 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 */ #ifndef LINUX_NFSD_NFSD_H #define LINUX_NFSD_NFSD_H #include #include #include #include #include #include #include #include #include #include #include /* * 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_V3 extern 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_V3 int 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 */