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1/* SPDX-License-Identifier: GPL-2.0 */
2/*
3 * XDR types for NFSv3 in nfsd.
4 *
5 * Copyright (C) 1996-1998, Olaf Kirch <okir@monad.swb.de>
6 */
7
8#ifndef _LINUX_NFSD_XDR3_H
9#define _LINUX_NFSD_XDR3_H
10
11#include "xdr.h"
12
13struct nfsd3_sattrargs {
14 struct svc_fh fh;
15 struct iattr attrs;
16 int check_guard;
17 time64_t guardtime;
18};
19
20struct nfsd3_diropargs {
21 struct svc_fh fh;
22 char * name;
23 unsigned int len;
24};
25
26struct nfsd3_accessargs {
27 struct svc_fh fh;
28 __u32 access;
29};
30
31struct nfsd3_readargs {
32 struct svc_fh fh;
33 __u64 offset;
34 __u32 count;
35};
36
37struct nfsd3_writeargs {
38 svc_fh fh;
39 __u64 offset;
40 __u32 count;
41 int stable;
42 __u32 len;
43 struct xdr_buf payload;
44};
45
46struct nfsd3_createargs {
47 struct svc_fh fh;
48 char * name;
49 unsigned int len;
50 int createmode;
51 struct iattr attrs;
52 __be32 * verf;
53};
54
55struct nfsd3_mknodargs {
56 struct svc_fh fh;
57 char * name;
58 unsigned int len;
59 __u32 ftype;
60 __u32 major, minor;
61 struct iattr attrs;
62};
63
64struct nfsd3_renameargs {
65 struct svc_fh ffh;
66 char * fname;
67 unsigned int flen;
68 struct svc_fh tfh;
69 char * tname;
70 unsigned int tlen;
71};
72
73struct nfsd3_linkargs {
74 struct svc_fh ffh;
75 struct svc_fh tfh;
76 char * tname;
77 unsigned int tlen;
78};
79
80struct nfsd3_symlinkargs {
81 struct svc_fh ffh;
82 char * fname;
83 unsigned int flen;
84 char * tname;
85 unsigned int tlen;
86 struct iattr attrs;
87 struct kvec first;
88};
89
90struct nfsd3_readdirargs {
91 struct svc_fh fh;
92 __u64 cookie;
93 __u32 count;
94 __be32 * verf;
95};
96
97struct nfsd3_commitargs {
98 struct svc_fh fh;
99 __u64 offset;
100 __u32 count;
101};
102
103struct nfsd3_getaclargs {
104 struct svc_fh fh;
105 __u32 mask;
106};
107
108struct posix_acl;
109struct nfsd3_setaclargs {
110 struct svc_fh fh;
111 __u32 mask;
112 struct posix_acl *acl_access;
113 struct posix_acl *acl_default;
114};
115
116struct nfsd3_attrstat {
117 __be32 status;
118 struct svc_fh fh;
119 struct kstat stat;
120};
121
122/* LOOKUP, CREATE, MKDIR, SYMLINK, MKNOD */
123struct nfsd3_diropres {
124 __be32 status;
125 struct svc_fh dirfh;
126 struct svc_fh fh;
127};
128
129struct nfsd3_accessres {
130 __be32 status;
131 struct svc_fh fh;
132 __u32 access;
133 struct kstat stat;
134};
135
136struct nfsd3_readlinkres {
137 __be32 status;
138 struct svc_fh fh;
139 __u32 len;
140 struct page **pages;
141};
142
143struct nfsd3_readres {
144 __be32 status;
145 struct svc_fh fh;
146 unsigned long count;
147 __u32 eof;
148 struct page **pages;
149};
150
151struct nfsd3_writeres {
152 __be32 status;
153 struct svc_fh fh;
154 unsigned long count;
155 int committed;
156 __be32 verf[2];
157};
158
159struct nfsd3_renameres {
160 __be32 status;
161 struct svc_fh ffh;
162 struct svc_fh tfh;
163};
164
165struct nfsd3_linkres {
166 __be32 status;
167 struct svc_fh tfh;
168 struct svc_fh fh;
169};
170
171struct nfsd3_readdirres {
172 /* Components of the reply */
173 __be32 status;
174 struct svc_fh fh;
175 __be32 verf[2];
176
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;
184
185};
186
187struct nfsd3_fsstatres {
188 __be32 status;
189 struct kstatfs stats;
190 __u32 invarsec;
191};
192
193struct nfsd3_fsinfores {
194 __be32 status;
195 __u32 f_rtmax;
196 __u32 f_rtpref;
197 __u32 f_rtmult;
198 __u32 f_wtmax;
199 __u32 f_wtpref;
200 __u32 f_wtmult;
201 __u32 f_dtpref;
202 __u64 f_maxfilesize;
203 __u32 f_properties;
204};
205
206struct nfsd3_pathconfres {
207 __be32 status;
208 __u32 p_link_max;
209 __u32 p_name_max;
210 __u32 p_no_trunc;
211 __u32 p_chown_restricted;
212 __u32 p_case_insensitive;
213 __u32 p_case_preserving;
214};
215
216struct nfsd3_commitres {
217 __be32 status;
218 struct svc_fh fh;
219 __be32 verf[2];
220};
221
222struct nfsd3_getaclres {
223 __be32 status;
224 struct svc_fh fh;
225 int mask;
226 struct posix_acl *acl_access;
227 struct posix_acl *acl_default;
228 struct kstat stat;
229};
230
231/* dummy type for release */
232struct nfsd3_fhandle_pair {
233 __u32 dummy;
234 struct svc_fh fh1;
235 struct svc_fh fh2;
236};
237
238/*
239 * Storage requirements for XDR arguments and results.
240 */
241union 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;
264};
265
266#define NFS3_SVC_XDRSIZE sizeof(union nfsd3_xdrstore)
267
268bool nfs3svc_decode_fhandleargs(struct svc_rqst *rqstp, struct xdr_stream *xdr);
269bool nfs3svc_decode_sattrargs(struct svc_rqst *rqstp, struct xdr_stream *xdr);
270bool nfs3svc_decode_diropargs(struct svc_rqst *rqstp, struct xdr_stream *xdr);
271bool nfs3svc_decode_accessargs(struct svc_rqst *rqstp, struct xdr_stream *xdr);
272bool nfs3svc_decode_readargs(struct svc_rqst *rqstp, struct xdr_stream *xdr);
273bool nfs3svc_decode_writeargs(struct svc_rqst *rqstp, struct xdr_stream *xdr);
274bool nfs3svc_decode_createargs(struct svc_rqst *rqstp, struct xdr_stream *xdr);
275bool nfs3svc_decode_mkdirargs(struct svc_rqst *rqstp, struct xdr_stream *xdr);
276bool nfs3svc_decode_mknodargs(struct svc_rqst *rqstp, struct xdr_stream *xdr);
277bool nfs3svc_decode_renameargs(struct svc_rqst *rqstp, struct xdr_stream *xdr);
278bool nfs3svc_decode_linkargs(struct svc_rqst *rqstp, struct xdr_stream *xdr);
279bool nfs3svc_decode_symlinkargs(struct svc_rqst *rqstp, struct xdr_stream *xdr);
280bool nfs3svc_decode_readdirargs(struct svc_rqst *rqstp, struct xdr_stream *xdr);
281bool nfs3svc_decode_readdirplusargs(struct svc_rqst *rqstp, struct xdr_stream *xdr);
282bool nfs3svc_decode_commitargs(struct svc_rqst *rqstp, struct xdr_stream *xdr);
283
284bool nfs3svc_encode_getattrres(struct svc_rqst *rqstp, struct xdr_stream *xdr);
285bool nfs3svc_encode_wccstat(struct svc_rqst *rqstp, struct xdr_stream *xdr);
286bool nfs3svc_encode_lookupres(struct svc_rqst *rqstp, struct xdr_stream *xdr);
287bool nfs3svc_encode_accessres(struct svc_rqst *rqstp, struct xdr_stream *xdr);
288bool nfs3svc_encode_readlinkres(struct svc_rqst *rqstp, struct xdr_stream *xdr);
289bool nfs3svc_encode_readres(struct svc_rqst *rqstp, struct xdr_stream *xdr);
290bool nfs3svc_encode_writeres(struct svc_rqst *rqstp, struct xdr_stream *xdr);
291bool nfs3svc_encode_createres(struct svc_rqst *rqstp, struct xdr_stream *xdr);
292bool nfs3svc_encode_renameres(struct svc_rqst *rqstp, struct xdr_stream *xdr);
293bool nfs3svc_encode_linkres(struct svc_rqst *rqstp, struct xdr_stream *xdr);
294bool nfs3svc_encode_readdirres(struct svc_rqst *rqstp, struct xdr_stream *xdr);
295bool nfs3svc_encode_fsstatres(struct svc_rqst *rqstp, struct xdr_stream *xdr);
296bool nfs3svc_encode_fsinfores(struct svc_rqst *rqstp, struct xdr_stream *xdr);
297bool nfs3svc_encode_pathconfres(struct svc_rqst *rqstp, struct xdr_stream *xdr);
298bool nfs3svc_encode_commitres(struct svc_rqst *rqstp, struct xdr_stream *xdr);
299
300void nfs3svc_release_fhandle(struct svc_rqst *);
301void nfs3svc_release_fhandle2(struct svc_rqst *);
302
303void nfs3svc_encode_cookie3(struct nfsd3_readdirres *resp, u64 offset);
304int nfs3svc_encode_entry3(void *data, const char *name, int namlen,
305 loff_t offset, u64 ino, unsigned int d_type);
306int 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 */
309bool svcxdr_decode_nfs_fh3(struct xdr_stream *xdr, struct svc_fh *fhp);
310bool svcxdr_encode_nfsstat3(struct xdr_stream *xdr, __be32 status);
311bool svcxdr_encode_post_op_attr(struct svc_rqst *rqstp, struct xdr_stream *xdr,
312 const struct svc_fh *fhp);
313
314#endif /* _LINUX_NFSD_XDR3_H */
1/* SPDX-License-Identifier: GPL-2.0 */
2/*
3 * XDR types for NFSv3 in nfsd.
4 *
5 * Copyright (C) 1996-1998, Olaf Kirch <okir@monad.swb.de>
6 */
7
8#ifndef _LINUX_NFSD_XDR3_H
9#define _LINUX_NFSD_XDR3_H
10
11#include "xdr.h"
12
13struct nfsd3_sattrargs {
14 struct svc_fh fh;
15 struct iattr attrs;
16 int check_guard;
17 time64_t guardtime;
18};
19
20struct nfsd3_diropargs {
21 struct svc_fh fh;
22 char * name;
23 unsigned int len;
24};
25
26struct nfsd3_accessargs {
27 struct svc_fh fh;
28 unsigned int access;
29};
30
31struct nfsd3_readargs {
32 struct svc_fh fh;
33 __u64 offset;
34 __u32 count;
35 int vlen;
36};
37
38struct nfsd3_writeargs {
39 svc_fh fh;
40 __u64 offset;
41 __u32 count;
42 int stable;
43 __u32 len;
44 struct kvec first;
45};
46
47struct nfsd3_createargs {
48 struct svc_fh fh;
49 char * name;
50 unsigned int len;
51 int createmode;
52 struct iattr attrs;
53 __be32 * verf;
54};
55
56struct nfsd3_mknodargs {
57 struct svc_fh fh;
58 char * name;
59 unsigned int len;
60 __u32 ftype;
61 __u32 major, minor;
62 struct iattr attrs;
63};
64
65struct nfsd3_renameargs {
66 struct svc_fh ffh;
67 char * fname;
68 unsigned int flen;
69 struct svc_fh tfh;
70 char * tname;
71 unsigned int tlen;
72};
73
74struct nfsd3_readlinkargs {
75 struct svc_fh fh;
76 char * buffer;
77};
78
79struct nfsd3_linkargs {
80 struct svc_fh ffh;
81 struct svc_fh tfh;
82 char * tname;
83 unsigned int tlen;
84};
85
86struct nfsd3_symlinkargs {
87 struct svc_fh ffh;
88 char * fname;
89 unsigned int flen;
90 char * tname;
91 unsigned int tlen;
92 struct iattr attrs;
93 struct kvec first;
94};
95
96struct nfsd3_readdirargs {
97 struct svc_fh fh;
98 __u64 cookie;
99 __u32 dircount;
100 __u32 count;
101 __be32 * verf;
102 __be32 * buffer;
103};
104
105struct nfsd3_commitargs {
106 struct svc_fh fh;
107 __u64 offset;
108 __u32 count;
109};
110
111struct nfsd3_getaclargs {
112 struct svc_fh fh;
113 int mask;
114};
115
116struct posix_acl;
117struct nfsd3_setaclargs {
118 struct svc_fh fh;
119 int mask;
120 struct posix_acl *acl_access;
121 struct posix_acl *acl_default;
122};
123
124struct nfsd3_attrstat {
125 __be32 status;
126 struct svc_fh fh;
127 struct kstat stat;
128};
129
130/* LOOKUP, CREATE, MKDIR, SYMLINK, MKNOD */
131struct nfsd3_diropres {
132 __be32 status;
133 struct svc_fh dirfh;
134 struct svc_fh fh;
135};
136
137struct nfsd3_accessres {
138 __be32 status;
139 struct svc_fh fh;
140 __u32 access;
141 struct kstat stat;
142};
143
144struct nfsd3_readlinkres {
145 __be32 status;
146 struct svc_fh fh;
147 __u32 len;
148};
149
150struct nfsd3_readres {
151 __be32 status;
152 struct svc_fh fh;
153 unsigned long count;
154 __u32 eof;
155};
156
157struct nfsd3_writeres {
158 __be32 status;
159 struct svc_fh fh;
160 unsigned long count;
161 int committed;
162 __be32 verf[2];
163};
164
165struct nfsd3_renameres {
166 __be32 status;
167 struct svc_fh ffh;
168 struct svc_fh tfh;
169};
170
171struct nfsd3_linkres {
172 __be32 status;
173 struct svc_fh tfh;
174 struct svc_fh fh;
175};
176
177struct nfsd3_readdirres {
178 __be32 status;
179 struct svc_fh fh;
180 /* Just to save kmalloc on every readdirplus entry (svc_fh is a
181 * little large for the stack): */
182 struct svc_fh scratch;
183 int count;
184 __be32 verf[2];
185
186 struct readdir_cd common;
187 __be32 * buffer;
188 int buflen;
189 __be32 * offset;
190 __be32 * offset1;
191 struct svc_rqst * rqstp;
192
193};
194
195struct nfsd3_fsstatres {
196 __be32 status;
197 struct kstatfs stats;
198 __u32 invarsec;
199};
200
201struct nfsd3_fsinfores {
202 __be32 status;
203 __u32 f_rtmax;
204 __u32 f_rtpref;
205 __u32 f_rtmult;
206 __u32 f_wtmax;
207 __u32 f_wtpref;
208 __u32 f_wtmult;
209 __u32 f_dtpref;
210 __u64 f_maxfilesize;
211 __u32 f_properties;
212};
213
214struct nfsd3_pathconfres {
215 __be32 status;
216 __u32 p_link_max;
217 __u32 p_name_max;
218 __u32 p_no_trunc;
219 __u32 p_chown_restricted;
220 __u32 p_case_insensitive;
221 __u32 p_case_preserving;
222};
223
224struct nfsd3_commitres {
225 __be32 status;
226 struct svc_fh fh;
227 __be32 verf[2];
228};
229
230struct nfsd3_getaclres {
231 __be32 status;
232 struct svc_fh fh;
233 int mask;
234 struct posix_acl *acl_access;
235 struct posix_acl *acl_default;
236 struct kstat stat;
237};
238
239/* dummy type for release */
240struct nfsd3_fhandle_pair {
241 __u32 dummy;
242 struct svc_fh fh1;
243 struct svc_fh fh2;
244};
245
246/*
247 * Storage requirements for XDR arguments and results.
248 */
249union nfsd3_xdrstore {
250 struct nfsd3_sattrargs sattrargs;
251 struct nfsd3_diropargs diropargs;
252 struct nfsd3_readargs readargs;
253 struct nfsd3_writeargs writeargs;
254 struct nfsd3_createargs createargs;
255 struct nfsd3_renameargs renameargs;
256 struct nfsd3_linkargs linkargs;
257 struct nfsd3_symlinkargs symlinkargs;
258 struct nfsd3_readdirargs readdirargs;
259 struct nfsd3_diropres diropres;
260 struct nfsd3_accessres accessres;
261 struct nfsd3_readlinkres readlinkres;
262 struct nfsd3_readres readres;
263 struct nfsd3_writeres writeres;
264 struct nfsd3_renameres renameres;
265 struct nfsd3_linkres linkres;
266 struct nfsd3_readdirres readdirres;
267 struct nfsd3_fsstatres fsstatres;
268 struct nfsd3_fsinfores fsinfores;
269 struct nfsd3_pathconfres pathconfres;
270 struct nfsd3_commitres commitres;
271 struct nfsd3_getaclres getaclres;
272};
273
274#define NFS3_SVC_XDRSIZE sizeof(union nfsd3_xdrstore)
275
276int nfs3svc_decode_fhandle(struct svc_rqst *, __be32 *);
277int nfs3svc_decode_sattrargs(struct svc_rqst *, __be32 *);
278int nfs3svc_decode_diropargs(struct svc_rqst *, __be32 *);
279int nfs3svc_decode_accessargs(struct svc_rqst *, __be32 *);
280int nfs3svc_decode_readargs(struct svc_rqst *, __be32 *);
281int nfs3svc_decode_writeargs(struct svc_rqst *, __be32 *);
282int nfs3svc_decode_createargs(struct svc_rqst *, __be32 *);
283int nfs3svc_decode_mkdirargs(struct svc_rqst *, __be32 *);
284int nfs3svc_decode_mknodargs(struct svc_rqst *, __be32 *);
285int nfs3svc_decode_renameargs(struct svc_rqst *, __be32 *);
286int nfs3svc_decode_readlinkargs(struct svc_rqst *, __be32 *);
287int nfs3svc_decode_linkargs(struct svc_rqst *, __be32 *);
288int nfs3svc_decode_symlinkargs(struct svc_rqst *, __be32 *);
289int nfs3svc_decode_readdirargs(struct svc_rqst *, __be32 *);
290int nfs3svc_decode_readdirplusargs(struct svc_rqst *, __be32 *);
291int nfs3svc_decode_commitargs(struct svc_rqst *, __be32 *);
292int nfs3svc_encode_voidres(struct svc_rqst *, __be32 *);
293int nfs3svc_encode_attrstat(struct svc_rqst *, __be32 *);
294int nfs3svc_encode_wccstat(struct svc_rqst *, __be32 *);
295int nfs3svc_encode_diropres(struct svc_rqst *, __be32 *);
296int nfs3svc_encode_accessres(struct svc_rqst *, __be32 *);
297int nfs3svc_encode_readlinkres(struct svc_rqst *, __be32 *);
298int nfs3svc_encode_readres(struct svc_rqst *, __be32 *);
299int nfs3svc_encode_writeres(struct svc_rqst *, __be32 *);
300int nfs3svc_encode_createres(struct svc_rqst *, __be32 *);
301int nfs3svc_encode_renameres(struct svc_rqst *, __be32 *);
302int nfs3svc_encode_linkres(struct svc_rqst *, __be32 *);
303int nfs3svc_encode_readdirres(struct svc_rqst *, __be32 *);
304int nfs3svc_encode_fsstatres(struct svc_rqst *, __be32 *);
305int nfs3svc_encode_fsinfores(struct svc_rqst *, __be32 *);
306int nfs3svc_encode_pathconfres(struct svc_rqst *, __be32 *);
307int nfs3svc_encode_commitres(struct svc_rqst *, __be32 *);
308
309void nfs3svc_release_fhandle(struct svc_rqst *);
310void nfs3svc_release_fhandle2(struct svc_rqst *);
311int nfs3svc_encode_entry(void *, const char *name,
312 int namlen, loff_t offset, u64 ino,
313 unsigned int);
314int nfs3svc_encode_entry_plus(void *, const char *name,
315 int namlen, loff_t offset, u64 ino,
316 unsigned int);
317/* Helper functions for NFSv3 ACL code */
318__be32 *nfs3svc_encode_post_op_attr(struct svc_rqst *rqstp, __be32 *p,
319 struct svc_fh *fhp);
320__be32 *nfs3svc_decode_fh(__be32 *p, struct svc_fh *fhp);
321
322
323#endif /* _LINUX_NFSD_XDR3_H */