xdr.h
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/* SPDX-License-Identifier: GPL-2.0 */
/* XDR types for nfsd. This is mainly a typing exercise. */
#ifndef LINUX_NFSD_H
#define LINUX_NFSD_H
#include <linux/vfs.h>
#include "nfsd.h"
#include "nfsfh.h"
struct nfsd_fhandle {
struct svc_fh fh;
};
struct nfsd_sattrargs {
struct svc_fh fh;
struct iattr attrs;
};
struct nfsd_diropargs {
struct svc_fh fh;
char * name;
unsigned int len;
};
struct nfsd_readargs {
struct svc_fh fh;
__u32 offset;
__u32 count;
int vlen;
};
struct nfsd_writeargs {
svc_fh fh;
__u32 offset;
int len;
struct kvec first;
};
struct nfsd_createargs {
struct svc_fh fh;
char * name;
unsigned int len;
struct iattr attrs;
};
struct nfsd_renameargs {
struct svc_fh ffh;
char * fname;
unsigned int flen;
struct svc_fh tfh;
char * tname;
unsigned int tlen;
};
struct nfsd_readlinkargs {
struct svc_fh fh;
char * buffer;
};
struct nfsd_linkargs {
struct svc_fh ffh;
struct svc_fh tfh;
char * tname;
unsigned int tlen;
};
struct nfsd_symlinkargs {
struct svc_fh ffh;
char * fname;
unsigned int flen;
char * tname;
unsigned int tlen;
struct iattr attrs;
struct kvec first;
};
struct nfsd_readdirargs {
struct svc_fh fh;
__u32 cookie;
__u32 count;
__be32 * buffer;
};
struct nfsd_attrstat {
struct svc_fh fh;
struct kstat stat;
};
struct nfsd_diropres {
struct svc_fh fh;
struct kstat stat;
};
struct nfsd_readlinkres {
int len;
};
struct nfsd_readres {
struct svc_fh fh;
unsigned long count;
struct kstat stat;
};
struct nfsd_readdirres {
int count;
struct readdir_cd common;
__be32 * buffer;
int buflen;
__be32 * offset;
};
struct nfsd_statfsres {
struct kstatfs stats;
};
/*
* Storage requirements for XDR arguments and results.
*/
union nfsd_xdrstore {
struct nfsd_sattrargs sattr;
struct nfsd_diropargs dirop;
struct nfsd_readargs read;
struct nfsd_writeargs write;
struct nfsd_createargs create;
struct nfsd_renameargs rename;
struct nfsd_linkargs link;
struct nfsd_symlinkargs symlink;
struct nfsd_readdirargs readdir;
};
#define NFS2_SVC_XDRSIZE sizeof(union nfsd_xdrstore)
int nfssvc_decode_void(struct svc_rqst *, __be32 *);
int nfssvc_decode_fhandle(struct svc_rqst *, __be32 *);
int nfssvc_decode_sattrargs(struct svc_rqst *, __be32 *);
int nfssvc_decode_diropargs(struct svc_rqst *, __be32 *);
int nfssvc_decode_readargs(struct svc_rqst *, __be32 *);
int nfssvc_decode_writeargs(struct svc_rqst *, __be32 *);
int nfssvc_decode_createargs(struct svc_rqst *, __be32 *);
int nfssvc_decode_renameargs(struct svc_rqst *, __be32 *);
int nfssvc_decode_readlinkargs(struct svc_rqst *, __be32 *);
int nfssvc_decode_linkargs(struct svc_rqst *, __be32 *);
int nfssvc_decode_symlinkargs(struct svc_rqst *, __be32 *);
int nfssvc_decode_readdirargs(struct svc_rqst *, __be32 *);
int nfssvc_encode_void(struct svc_rqst *, __be32 *);
int nfssvc_encode_attrstat(struct svc_rqst *, __be32 *);
int nfssvc_encode_diropres(struct svc_rqst *, __be32 *);
int nfssvc_encode_readlinkres(struct svc_rqst *, __be32 *);
int nfssvc_encode_readres(struct svc_rqst *, __be32 *);
int nfssvc_encode_statfsres(struct svc_rqst *, __be32 *);
int nfssvc_encode_readdirres(struct svc_rqst *, __be32 *);
int nfssvc_encode_entry(void *, const char *name,
int namlen, loff_t offset, u64 ino, unsigned int);
void nfssvc_release_fhandle(struct svc_rqst *);
/* Helper functions for NFSv2 ACL code */
__be32 *nfs2svc_encode_fattr(struct svc_rqst *rqstp, __be32 *p, struct svc_fh *fhp, struct kstat *stat);
__be32 *nfs2svc_decode_fh(__be32 *p, struct svc_fh *fhp);
#endif /* LINUX_NFSD_H */