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 int nfssvc_decode_fhandleargs(struct svc_rqst *, __be32 *);
145 int nfssvc_decode_sattrargs(struct svc_rqst *, __be32 *);
146 int nfssvc_decode_diropargs(struct svc_rqst *, __be32 *);
147 int nfssvc_decode_readargs(struct svc_rqst *, __be32 *);
148 int nfssvc_decode_writeargs(struct svc_rqst *, __be32 *);
149 int nfssvc_decode_createargs(struct svc_rqst *, __be32 *);
150 int nfssvc_decode_renameargs(struct svc_rqst *, __be32 *);
151 int nfssvc_decode_linkargs(struct svc_rqst *, __be32 *);
152 int nfssvc_decode_symlinkargs(struct svc_rqst *, __be32 *);
153 int nfssvc_decode_readdirargs(struct svc_rqst *, __be32 *);
154 int nfssvc_encode_statres(struct svc_rqst *, __be32 *);
155 int nfssvc_encode_attrstatres(struct svc_rqst *, __be32 *);
156 int nfssvc_encode_diropres(struct svc_rqst *, __be32 *);
157 int nfssvc_encode_readlinkres(struct svc_rqst *, __be32 *);
158 int nfssvc_encode_readres(struct svc_rqst *, __be32 *);
159 int nfssvc_encode_statfsres(struct svc_rqst *, __be32 *);
160 int nfssvc_encode_readdirres(struct svc_rqst *, __be32 *);
162 void nfssvc_encode_nfscookie(struct nfsd_readdirres *resp, u32 offset);
163 int nfssvc_encode_entry(void *data, const char *name, int namlen,
164 loff_t offset, u64 ino, unsigned int d_type);
166 void nfssvc_release_attrstat(struct svc_rqst *rqstp);
167 void nfssvc_release_diropres(struct svc_rqst *rqstp);
168 void nfssvc_release_readres(struct svc_rqst *rqstp);
170 /* Helper functions for NFSv2 ACL code */
171 bool svcxdr_decode_fhandle(struct xdr_stream *xdr, struct svc_fh *fhp);
172 bool svcxdr_encode_stat(struct xdr_stream *xdr, __be32 status);
173 bool svcxdr_encode_fattr(struct svc_rqst *rqstp, struct xdr_stream *xdr,
174 const struct svc_fh *fhp, const struct kstat *stat);
176 #endif /* LINUX_NFSD_H */