1 /* SPDX-License-Identifier: GPL-2.0 */
3 * XDR types for NFSv3 in nfsd.
5 * Copyright (C) 1996-1998, Olaf Kirch <okir@monad.swb.de>
8 #ifndef _LINUX_NFSD_XDR3_H
9 #define _LINUX_NFSD_XDR3_H
13 struct nfsd3_sattrargs {
20 struct nfsd3_diropargs {
26 struct nfsd3_accessargs {
31 struct nfsd3_readargs {
37 struct nfsd3_writeargs {
43 struct xdr_buf payload;
46 struct nfsd3_createargs {
55 struct nfsd3_mknodargs {
64 struct nfsd3_renameargs {
73 struct nfsd3_linkargs {
80 struct nfsd3_symlinkargs {
90 struct nfsd3_readdirargs {
97 struct nfsd3_commitargs {
103 struct nfsd3_getaclargs {
109 struct nfsd3_setaclargs {
112 struct posix_acl *acl_access;
113 struct posix_acl *acl_default;
116 struct nfsd3_attrstat {
122 /* LOOKUP, CREATE, MKDIR, SYMLINK, MKNOD */
123 struct nfsd3_diropres {
129 struct nfsd3_accessres {
136 struct nfsd3_readlinkres {
143 struct nfsd3_readres {
151 struct nfsd3_writeres {
159 struct nfsd3_renameres {
165 struct nfsd3_linkres {
171 struct nfsd3_readdirres {
172 /* Components of the reply */
177 /* Used to encode the reply's entry list */
178 struct xdr_stream xdr;
179 struct xdr_buf dirlist;
180 struct svc_fh scratch;
181 struct readdir_cd common;
182 unsigned int cookie_offset;
183 struct svc_rqst * rqstp;
187 struct nfsd3_fsstatres {
189 struct kstatfs stats;
193 struct nfsd3_fsinfores {
206 struct nfsd3_pathconfres {
211 __u32 p_chown_restricted;
212 __u32 p_case_insensitive;
213 __u32 p_case_preserving;
216 struct nfsd3_commitres {
222 struct nfsd3_getaclres {
226 struct posix_acl *acl_access;
227 struct posix_acl *acl_default;
231 /* dummy type for release */
232 struct nfsd3_fhandle_pair {
239 * Storage requirements for XDR arguments and results.
241 union nfsd3_xdrstore {
242 struct nfsd3_sattrargs sattrargs;
243 struct nfsd3_diropargs diropargs;
244 struct nfsd3_readargs readargs;
245 struct nfsd3_writeargs writeargs;
246 struct nfsd3_createargs createargs;
247 struct nfsd3_renameargs renameargs;
248 struct nfsd3_linkargs linkargs;
249 struct nfsd3_symlinkargs symlinkargs;
250 struct nfsd3_readdirargs readdirargs;
251 struct nfsd3_diropres diropres;
252 struct nfsd3_accessres accessres;
253 struct nfsd3_readlinkres readlinkres;
254 struct nfsd3_readres readres;
255 struct nfsd3_writeres writeres;
256 struct nfsd3_renameres renameres;
257 struct nfsd3_linkres linkres;
258 struct nfsd3_readdirres readdirres;
259 struct nfsd3_fsstatres fsstatres;
260 struct nfsd3_fsinfores fsinfores;
261 struct nfsd3_pathconfres pathconfres;
262 struct nfsd3_commitres commitres;
263 struct nfsd3_getaclres getaclres;
266 #define NFS3_SVC_XDRSIZE sizeof(union nfsd3_xdrstore)
268 bool nfs3svc_decode_fhandleargs(struct svc_rqst *rqstp, struct xdr_stream *xdr);
269 bool nfs3svc_decode_sattrargs(struct svc_rqst *rqstp, struct xdr_stream *xdr);
270 bool nfs3svc_decode_diropargs(struct svc_rqst *rqstp, struct xdr_stream *xdr);
271 bool nfs3svc_decode_accessargs(struct svc_rqst *rqstp, struct xdr_stream *xdr);
272 bool nfs3svc_decode_readargs(struct svc_rqst *rqstp, struct xdr_stream *xdr);
273 bool nfs3svc_decode_writeargs(struct svc_rqst *rqstp, struct xdr_stream *xdr);
274 bool nfs3svc_decode_createargs(struct svc_rqst *rqstp, struct xdr_stream *xdr);
275 bool nfs3svc_decode_mkdirargs(struct svc_rqst *rqstp, struct xdr_stream *xdr);
276 bool nfs3svc_decode_mknodargs(struct svc_rqst *rqstp, struct xdr_stream *xdr);
277 bool nfs3svc_decode_renameargs(struct svc_rqst *rqstp, struct xdr_stream *xdr);
278 bool nfs3svc_decode_linkargs(struct svc_rqst *rqstp, struct xdr_stream *xdr);
279 bool nfs3svc_decode_symlinkargs(struct svc_rqst *rqstp, struct xdr_stream *xdr);
280 bool nfs3svc_decode_readdirargs(struct svc_rqst *rqstp, struct xdr_stream *xdr);
281 bool nfs3svc_decode_readdirplusargs(struct svc_rqst *rqstp, struct xdr_stream *xdr);
282 bool nfs3svc_decode_commitargs(struct svc_rqst *rqstp, struct xdr_stream *xdr);
284 bool nfs3svc_encode_getattrres(struct svc_rqst *rqstp, struct xdr_stream *xdr);
285 bool nfs3svc_encode_wccstat(struct svc_rqst *rqstp, struct xdr_stream *xdr);
286 bool nfs3svc_encode_lookupres(struct svc_rqst *rqstp, struct xdr_stream *xdr);
287 bool nfs3svc_encode_accessres(struct svc_rqst *rqstp, struct xdr_stream *xdr);
288 bool nfs3svc_encode_readlinkres(struct svc_rqst *rqstp, struct xdr_stream *xdr);
289 bool nfs3svc_encode_readres(struct svc_rqst *rqstp, struct xdr_stream *xdr);
290 bool nfs3svc_encode_writeres(struct svc_rqst *rqstp, struct xdr_stream *xdr);
291 bool nfs3svc_encode_createres(struct svc_rqst *rqstp, struct xdr_stream *xdr);
292 bool nfs3svc_encode_renameres(struct svc_rqst *rqstp, struct xdr_stream *xdr);
293 bool nfs3svc_encode_linkres(struct svc_rqst *rqstp, struct xdr_stream *xdr);
294 bool nfs3svc_encode_readdirres(struct svc_rqst *rqstp, struct xdr_stream *xdr);
295 bool nfs3svc_encode_fsstatres(struct svc_rqst *rqstp, struct xdr_stream *xdr);
296 bool nfs3svc_encode_fsinfores(struct svc_rqst *rqstp, struct xdr_stream *xdr);
297 bool nfs3svc_encode_pathconfres(struct svc_rqst *rqstp, struct xdr_stream *xdr);
298 bool nfs3svc_encode_commitres(struct svc_rqst *rqstp, struct xdr_stream *xdr);
300 void nfs3svc_release_fhandle(struct svc_rqst *);
301 void nfs3svc_release_fhandle2(struct svc_rqst *);
303 void nfs3svc_encode_cookie3(struct nfsd3_readdirres *resp, u64 offset);
304 int nfs3svc_encode_entry3(void *data, const char *name, int namlen,
305 loff_t offset, u64 ino, unsigned int d_type);
306 int nfs3svc_encode_entryplus3(void *data, const char *name, int namlen,
307 loff_t offset, u64 ino, unsigned int d_type);
308 /* Helper functions for NFSv3 ACL code */
309 bool svcxdr_decode_nfs_fh3(struct xdr_stream *xdr, struct svc_fh *fhp);
310 bool svcxdr_encode_nfsstat3(struct xdr_stream *xdr, __be32 status);
311 bool svcxdr_encode_post_op_attr(struct svc_rqst *rqstp, struct xdr_stream *xdr,
312 const struct svc_fh *fhp);
314 #endif /* _LINUX_NFSD_XDR3_H */