1 /* SPDX-License-Identifier: GPL-2.0 */
2 /* XDR types for nfsd. This is mainly a typing exercise. */
15 struct nfsd_sattrargs {
20 struct nfsd_diropargs {
26 struct nfsd_readargs {
32 struct nfsd_writeargs {
36 struct xdr_buf payload;
39 struct nfsd_createargs {
46 struct nfsd_renameargs {
55 struct nfsd_linkargs {
62 struct nfsd_symlinkargs {
72 struct nfsd_readdirargs {
82 struct nfsd_attrstat {
88 struct nfsd_diropres {
94 struct nfsd_readlinkres {
100 struct nfsd_readres {
108 struct nfsd_readdirres {
109 /* Components of the reply */
114 /* Used to encode the reply's entry list */
115 struct xdr_stream xdr;
116 struct xdr_buf dirlist;
117 struct readdir_cd common;
118 unsigned int cookie_offset;
121 struct nfsd_statfsres {
123 struct kstatfs stats;
127 * Storage requirements for XDR arguments and results.
129 union nfsd_xdrstore {
130 struct nfsd_sattrargs sattr;
131 struct nfsd_diropargs dirop;
132 struct nfsd_readargs read;
133 struct nfsd_writeargs write;
134 struct nfsd_createargs create;
135 struct nfsd_renameargs rename;
136 struct nfsd_linkargs link;
137 struct nfsd_symlinkargs symlink;
138 struct nfsd_readdirargs readdir;
141 #define NFS2_SVC_XDRSIZE sizeof(union nfsd_xdrstore)
144 bool nfssvc_decode_fhandleargs(struct svc_rqst *rqstp, struct xdr_stream *xdr);
145 bool nfssvc_decode_sattrargs(struct svc_rqst *rqstp, struct xdr_stream *xdr);
146 bool nfssvc_decode_diropargs(struct svc_rqst *rqstp, struct xdr_stream *xdr);
147 bool nfssvc_decode_readargs(struct svc_rqst *rqstp, struct xdr_stream *xdr);
148 bool nfssvc_decode_writeargs(struct svc_rqst *rqstp, struct xdr_stream *xdr);
149 bool nfssvc_decode_createargs(struct svc_rqst *rqstp, struct xdr_stream *xdr);
150 bool nfssvc_decode_renameargs(struct svc_rqst *rqstp, struct xdr_stream *xdr);
151 bool nfssvc_decode_linkargs(struct svc_rqst *rqstp, struct xdr_stream *xdr);
152 bool nfssvc_decode_symlinkargs(struct svc_rqst *rqstp, struct xdr_stream *xdr);
153 bool nfssvc_decode_readdirargs(struct svc_rqst *rqstp, struct xdr_stream *xdr);
155 bool nfssvc_encode_statres(struct svc_rqst *rqstp, struct xdr_stream *xdr);
156 bool nfssvc_encode_attrstatres(struct svc_rqst *rqstp, struct xdr_stream *xdr);
157 bool nfssvc_encode_diropres(struct svc_rqst *rqstp, struct xdr_stream *xdr);
158 bool nfssvc_encode_readlinkres(struct svc_rqst *rqstp, struct xdr_stream *xdr);
159 bool nfssvc_encode_readres(struct svc_rqst *rqstp, struct xdr_stream *xdr);
160 bool nfssvc_encode_statfsres(struct svc_rqst *rqstp, struct xdr_stream *xdr);
161 bool nfssvc_encode_readdirres(struct svc_rqst *rqstp, struct xdr_stream *xdr);
163 void nfssvc_encode_nfscookie(struct nfsd_readdirres *resp, u32 offset);
164 int nfssvc_encode_entry(void *data, const char *name, int namlen,
165 loff_t offset, u64 ino, unsigned int d_type);
167 void nfssvc_release_attrstat(struct svc_rqst *rqstp);
168 void nfssvc_release_diropres(struct svc_rqst *rqstp);
169 void nfssvc_release_readres(struct svc_rqst *rqstp);
171 /* Helper functions for NFSv2 ACL code */
172 bool svcxdr_decode_fhandle(struct xdr_stream *xdr, struct svc_fh *fhp);
173 bool svcxdr_encode_stat(struct xdr_stream *xdr, __be32 status);
174 bool svcxdr_encode_fattr(struct svc_rqst *rqstp, struct xdr_stream *xdr,
175 const struct svc_fh *fhp, const struct kstat *stat);
177 #endif /* LINUX_NFSD_H */