Root/fs/nfsd/xdr3.h

1/*
2 * XDR types for NFSv3 in nfsd.
3 *
4 * Copyright (C) 1996-1998, Olaf Kirch <okir@monad.swb.de>
5 */
6
7#ifndef _LINUX_NFSD_XDR3_H
8#define _LINUX_NFSD_XDR3_H
9
10#include "xdr.h"
11
12struct nfsd3_sattrargs {
13    struct svc_fh fh;
14    struct iattr attrs;
15    int check_guard;
16    time_t guardtime;
17};
18
19struct nfsd3_diropargs {
20    struct svc_fh fh;
21    char * name;
22    unsigned int len;
23};
24
25struct nfsd3_accessargs {
26    struct svc_fh fh;
27    unsigned int access;
28};
29
30struct nfsd3_readargs {
31    struct svc_fh fh;
32    __u64 offset;
33    __u32 count;
34    int vlen;
35};
36
37struct nfsd3_writeargs {
38    svc_fh fh;
39    __u64 offset;
40    __u32 count;
41    int stable;
42    __u32 len;
43    int vlen;
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_readlinkargs {
74    struct svc_fh fh;
75    char * buffer;
76};
77
78struct nfsd3_linkargs {
79    struct svc_fh ffh;
80    struct svc_fh tfh;
81    char * tname;
82    unsigned int tlen;
83};
84
85struct nfsd3_symlinkargs {
86    struct svc_fh ffh;
87    char * fname;
88    unsigned int flen;
89    char * tname;
90    unsigned int tlen;
91    struct iattr attrs;
92};
93
94struct nfsd3_readdirargs {
95    struct svc_fh fh;
96    __u64 cookie;
97    __u32 dircount;
98    __u32 count;
99    __be32 * verf;
100    __be32 * buffer;
101};
102
103struct nfsd3_commitargs {
104    struct svc_fh fh;
105    __u64 offset;
106    __u32 count;
107};
108
109struct nfsd3_getaclargs {
110    struct svc_fh fh;
111    int mask;
112};
113
114struct posix_acl;
115struct nfsd3_setaclargs {
116    struct svc_fh fh;
117    int mask;
118    struct posix_acl *acl_access;
119    struct posix_acl *acl_default;
120};
121
122struct nfsd3_attrstat {
123    __be32 status;
124    struct svc_fh fh;
125    struct kstat stat;
126};
127
128/* LOOKUP, CREATE, MKDIR, SYMLINK, MKNOD */
129struct nfsd3_diropres {
130    __be32 status;
131    struct svc_fh dirfh;
132    struct svc_fh fh;
133};
134
135struct nfsd3_accessres {
136    __be32 status;
137    struct svc_fh fh;
138    __u32 access;
139};
140
141struct nfsd3_readlinkres {
142    __be32 status;
143    struct svc_fh fh;
144    __u32 len;
145};
146
147struct nfsd3_readres {
148    __be32 status;
149    struct svc_fh fh;
150    unsigned long count;
151    int eof;
152};
153
154struct nfsd3_writeres {
155    __be32 status;
156    struct svc_fh fh;
157    unsigned long count;
158    int committed;
159};
160
161struct nfsd3_renameres {
162    __be32 status;
163    struct svc_fh ffh;
164    struct svc_fh tfh;
165};
166
167struct nfsd3_linkres {
168    __be32 status;
169    struct svc_fh tfh;
170    struct svc_fh fh;
171};
172
173struct nfsd3_readdirres {
174    __be32 status;
175    struct svc_fh fh;
176    int count;
177    __be32 verf[2];
178
179    struct readdir_cd common;
180    __be32 * buffer;
181    int buflen;
182    __be32 * offset;
183    __be32 * offset1;
184    struct svc_rqst * rqstp;
185
186};
187
188struct nfsd3_fsstatres {
189    __be32 status;
190    struct kstatfs stats;
191    __u32 invarsec;
192};
193
194struct nfsd3_fsinfores {
195    __be32 status;
196    __u32 f_rtmax;
197    __u32 f_rtpref;
198    __u32 f_rtmult;
199    __u32 f_wtmax;
200    __u32 f_wtpref;
201    __u32 f_wtmult;
202    __u32 f_dtpref;
203    __u64 f_maxfilesize;
204    __u32 f_properties;
205};
206
207struct nfsd3_pathconfres {
208    __be32 status;
209    __u32 p_link_max;
210    __u32 p_name_max;
211    __u32 p_no_trunc;
212    __u32 p_chown_restricted;
213    __u32 p_case_insensitive;
214    __u32 p_case_preserving;
215};
216
217struct nfsd3_commitres {
218    __be32 status;
219    struct svc_fh fh;
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};
229
230/* dummy type for release */
231struct nfsd3_fhandle_pair {
232    __u32 dummy;
233    struct svc_fh fh1;
234    struct svc_fh fh2;
235};
236
237/*
238 * Storage requirements for XDR arguments and results.
239 */
240union nfsd3_xdrstore {
241    struct nfsd3_sattrargs sattrargs;
242    struct nfsd3_diropargs diropargs;
243    struct nfsd3_readargs readargs;
244    struct nfsd3_writeargs writeargs;
245    struct nfsd3_createargs createargs;
246    struct nfsd3_renameargs renameargs;
247    struct nfsd3_linkargs linkargs;
248    struct nfsd3_symlinkargs symlinkargs;
249    struct nfsd3_readdirargs readdirargs;
250    struct nfsd3_diropres diropres;
251    struct nfsd3_accessres accessres;
252    struct nfsd3_readlinkres readlinkres;
253    struct nfsd3_readres readres;
254    struct nfsd3_writeres writeres;
255    struct nfsd3_renameres renameres;
256    struct nfsd3_linkres linkres;
257    struct nfsd3_readdirres readdirres;
258    struct nfsd3_fsstatres fsstatres;
259    struct nfsd3_fsinfores fsinfores;
260    struct nfsd3_pathconfres pathconfres;
261    struct nfsd3_commitres commitres;
262    struct nfsd3_getaclres getaclres;
263};
264
265#define NFS3_SVC_XDRSIZE sizeof(union nfsd3_xdrstore)
266
267int nfs3svc_decode_fhandle(struct svc_rqst *, __be32 *, struct nfsd_fhandle *);
268int nfs3svc_decode_sattrargs(struct svc_rqst *, __be32 *,
269                struct nfsd3_sattrargs *);
270int nfs3svc_decode_diropargs(struct svc_rqst *, __be32 *,
271                struct nfsd3_diropargs *);
272int nfs3svc_decode_accessargs(struct svc_rqst *, __be32 *,
273                struct nfsd3_accessargs *);
274int nfs3svc_decode_readargs(struct svc_rqst *, __be32 *,
275                struct nfsd3_readargs *);
276int nfs3svc_decode_writeargs(struct svc_rqst *, __be32 *,
277                struct nfsd3_writeargs *);
278int nfs3svc_decode_createargs(struct svc_rqst *, __be32 *,
279                struct nfsd3_createargs *);
280int nfs3svc_decode_mkdirargs(struct svc_rqst *, __be32 *,
281                struct nfsd3_createargs *);
282int nfs3svc_decode_mknodargs(struct svc_rqst *, __be32 *,
283                struct nfsd3_mknodargs *);
284int nfs3svc_decode_renameargs(struct svc_rqst *, __be32 *,
285                struct nfsd3_renameargs *);
286int nfs3svc_decode_readlinkargs(struct svc_rqst *, __be32 *,
287                struct nfsd3_readlinkargs *);
288int nfs3svc_decode_linkargs(struct svc_rqst *, __be32 *,
289                struct nfsd3_linkargs *);
290int nfs3svc_decode_symlinkargs(struct svc_rqst *, __be32 *,
291                struct nfsd3_symlinkargs *);
292int nfs3svc_decode_readdirargs(struct svc_rqst *, __be32 *,
293                struct nfsd3_readdirargs *);
294int nfs3svc_decode_readdirplusargs(struct svc_rqst *, __be32 *,
295                struct nfsd3_readdirargs *);
296int nfs3svc_decode_commitargs(struct svc_rqst *, __be32 *,
297                struct nfsd3_commitargs *);
298int nfs3svc_encode_voidres(struct svc_rqst *, __be32 *, void *);
299int nfs3svc_encode_attrstat(struct svc_rqst *, __be32 *,
300                struct nfsd3_attrstat *);
301int nfs3svc_encode_wccstat(struct svc_rqst *, __be32 *,
302                struct nfsd3_attrstat *);
303int nfs3svc_encode_diropres(struct svc_rqst *, __be32 *,
304                struct nfsd3_diropres *);
305int nfs3svc_encode_accessres(struct svc_rqst *, __be32 *,
306                struct nfsd3_accessres *);
307int nfs3svc_encode_readlinkres(struct svc_rqst *, __be32 *,
308                struct nfsd3_readlinkres *);
309int nfs3svc_encode_readres(struct svc_rqst *, __be32 *, struct nfsd3_readres *);
310int nfs3svc_encode_writeres(struct svc_rqst *, __be32 *, struct nfsd3_writeres *);
311int nfs3svc_encode_createres(struct svc_rqst *, __be32 *,
312                struct nfsd3_diropres *);
313int nfs3svc_encode_renameres(struct svc_rqst *, __be32 *,
314                struct nfsd3_renameres *);
315int nfs3svc_encode_linkres(struct svc_rqst *, __be32 *,
316                struct nfsd3_linkres *);
317int nfs3svc_encode_readdirres(struct svc_rqst *, __be32 *,
318                struct nfsd3_readdirres *);
319int nfs3svc_encode_fsstatres(struct svc_rqst *, __be32 *,
320                struct nfsd3_fsstatres *);
321int nfs3svc_encode_fsinfores(struct svc_rqst *, __be32 *,
322                struct nfsd3_fsinfores *);
323int nfs3svc_encode_pathconfres(struct svc_rqst *, __be32 *,
324                struct nfsd3_pathconfres *);
325int nfs3svc_encode_commitres(struct svc_rqst *, __be32 *,
326                struct nfsd3_commitres *);
327
328int nfs3svc_release_fhandle(struct svc_rqst *, __be32 *,
329                struct nfsd3_attrstat *);
330int nfs3svc_release_fhandle2(struct svc_rqst *, __be32 *,
331                struct nfsd3_fhandle_pair *);
332int nfs3svc_encode_entry(void *, const char *name,
333                int namlen, loff_t offset, u64 ino,
334                unsigned int);
335int nfs3svc_encode_entry_plus(void *, const char *name,
336                int namlen, loff_t offset, u64 ino,
337                unsigned int);
338/* Helper functions for NFSv3 ACL code */
339__be32 *nfs3svc_encode_post_op_attr(struct svc_rqst *rqstp, __be32 *p,
340                struct svc_fh *fhp);
341__be32 *nfs3svc_decode_fh(__be32 *p, struct svc_fh *fhp);
342
343
344#endif /* _LINUX_NFSD_XDR3_H */
345

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