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/*
* 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/posix_acl.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"
/*
* 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
#define _NFSD_IRIX_BOGOSITY 128
#if (MAY_SATTR | MAY_TRUNC | MAY_LOCK | MAY_OWNER_OVERRIDE | _NFSD_IRIX_BOGOSITY) & (MAY_READ | MAY_WRITE | MAY_EXEC)
# 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;
#ifdef CONFIG_NFSD_ACL
extern struct svc_procedure nfsd_acl_procedures3[];
extern struct svc_program nfsd_acl_program;
#endif /* CONFIG_NFSD_ACL */
/*
* 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);
#ifdef CONFIG_FS_POSIX_ACL
struct posix_acl *nfsd_get_posix_acl(struct svc_fh *, int);
int nfsd_set_posix_acl(struct svc_fh *, int, struct posix_acl *);
#else
static inline struct posix_acl *
nfsd_get_posix_acl(struct svc_fh *fhp, int acl_type)
{
return ERR_PTR(-EOPNOTSUPP);
}
static inline int
nfsd_set_posix_acl(struct svc_fh *fhp, int type, struct posix_acl *acl)
{
return -EOPNOTSUPP;
}
#endif
/*
* 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
* P3: not only kmalloc anymore, we use it for NFS failover too.
*/
#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 /* LINUX_NFSD_NFSD_H */
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