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192.168.1.100 / T103 / 1f884588077ad3476b9c91cbb0ee9ee0332bbb68 / . / src / kernel / linux / v4.14 / fs / nfsd / xdr3.h
blob: 056bf8a7364e22d75a47e646f206a1e5415df6e1 [file] [log] [blame]
rjw1f884582022-01-06 17:20:42 +0800[diff] [blame^]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 time_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 int vlen;
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};
94
95struct nfsd3_readdirargs {
96 struct svc_fh fh;
97 __u64 cookie;
98 __u32 dircount;
99 __u32 count;
100 __be32 * verf;
101 __be32 * buffer;
102};
103
104struct nfsd3_commitargs {
105 struct svc_fh fh;
106 __u64 offset;
107 __u32 count;
108};
109
110struct nfsd3_getaclargs {
111 struct svc_fh fh;
112 int mask;
113};
114
115struct posix_acl;
116struct nfsd3_setaclargs {
117 struct svc_fh fh;
118 int mask;
119 struct posix_acl *acl_access;
120 struct posix_acl *acl_default;
121};
122
123struct nfsd3_attrstat {
124 __be32 status;
125 struct svc_fh fh;
126 struct kstat stat;
127};
128
129/* LOOKUP, CREATE, MKDIR, SYMLINK, MKNOD */
130struct nfsd3_diropres {
131 __be32 status;
132 struct svc_fh dirfh;
133 struct svc_fh fh;
134};
135
136struct nfsd3_accessres {
137 __be32 status;
138 struct svc_fh fh;
139 __u32 access;
140 struct kstat stat;
141};
142
143struct nfsd3_readlinkres {
144 __be32 status;
145 struct svc_fh fh;
146 __u32 len;
147};
148
149struct nfsd3_readres {
150 __be32 status;
151 struct svc_fh fh;
152 unsigned long count;
153 int eof;
154};
155
156struct nfsd3_writeres {
157 __be32 status;
158 struct svc_fh fh;
159 unsigned long count;
160 int committed;
161};
162
163struct nfsd3_renameres {
164 __be32 status;
165 struct svc_fh ffh;
166 struct svc_fh tfh;
167};
168
169struct nfsd3_linkres {
170 __be32 status;
171 struct svc_fh tfh;
172 struct svc_fh fh;
173};
174
175struct nfsd3_readdirres {
176 __be32 status;
177 struct svc_fh fh;
178 /* Just to save kmalloc on every readdirplus entry (svc_fh is a
179 * little large for the stack): */
180 struct svc_fh scratch;
181 int count;
182 __be32 verf[2];
183
184 struct readdir_cd common;
185 __be32 * buffer;
186 int buflen;
187 __be32 * offset;
188 __be32 * offset1;
189 struct svc_rqst * rqstp;
190
191};
192
193struct nfsd3_fsstatres {
194 __be32 status;
195 struct kstatfs stats;
196 __u32 invarsec;
197};
198
199struct nfsd3_fsinfores {
200 __be32 status;
201 __u32 f_rtmax;
202 __u32 f_rtpref;
203 __u32 f_rtmult;
204 __u32 f_wtmax;
205 __u32 f_wtpref;
206 __u32 f_wtmult;
207 __u32 f_dtpref;
208 __u64 f_maxfilesize;
209 __u32 f_properties;
210};
211
212struct nfsd3_pathconfres {
213 __be32 status;
214 __u32 p_link_max;
215 __u32 p_name_max;
216 __u32 p_no_trunc;
217 __u32 p_chown_restricted;
218 __u32 p_case_insensitive;
219 __u32 p_case_preserving;
220};
221
222struct nfsd3_commitres {
223 __be32 status;
224 struct svc_fh fh;
225};
226
227struct nfsd3_getaclres {
228 __be32 status;
229 struct svc_fh fh;
230 int mask;
231 struct posix_acl *acl_access;
232 struct posix_acl *acl_default;
233 struct kstat stat;
234};
235
236/* dummy type for release */
237struct nfsd3_fhandle_pair {
238 __u32 dummy;
239 struct svc_fh fh1;
240 struct svc_fh fh2;
241};
242
243/*
244 * Storage requirements for XDR arguments and results.
245 */
246union nfsd3_xdrstore {
247 struct nfsd3_sattrargs sattrargs;
248 struct nfsd3_diropargs diropargs;
249 struct nfsd3_readargs readargs;
250 struct nfsd3_writeargs writeargs;
251 struct nfsd3_createargs createargs;
252 struct nfsd3_renameargs renameargs;
253 struct nfsd3_linkargs linkargs;
254 struct nfsd3_symlinkargs symlinkargs;
255 struct nfsd3_readdirargs readdirargs;
256 struct nfsd3_diropres diropres;
257 struct nfsd3_accessres accessres;
258 struct nfsd3_readlinkres readlinkres;
259 struct nfsd3_readres readres;
260 struct nfsd3_writeres writeres;
261 struct nfsd3_renameres renameres;
262 struct nfsd3_linkres linkres;
263 struct nfsd3_readdirres readdirres;
264 struct nfsd3_fsstatres fsstatres;
265 struct nfsd3_fsinfores fsinfores;
266 struct nfsd3_pathconfres pathconfres;
267 struct nfsd3_commitres commitres;
268 struct nfsd3_getaclres getaclres;
269};
270
271#define NFS3_SVC_XDRSIZE sizeof(union nfsd3_xdrstore)
272
273int nfs3svc_decode_fhandle(struct svc_rqst *, __be32 *);
274int nfs3svc_decode_sattrargs(struct svc_rqst *, __be32 *);
275int nfs3svc_decode_diropargs(struct svc_rqst *, __be32 *);
276int nfs3svc_decode_accessargs(struct svc_rqst *, __be32 *);
277int nfs3svc_decode_readargs(struct svc_rqst *, __be32 *);
278int nfs3svc_decode_writeargs(struct svc_rqst *, __be32 *);
279int nfs3svc_decode_createargs(struct svc_rqst *, __be32 *);
280int nfs3svc_decode_mkdirargs(struct svc_rqst *, __be32 *);
281int nfs3svc_decode_mknodargs(struct svc_rqst *, __be32 *);
282int nfs3svc_decode_renameargs(struct svc_rqst *, __be32 *);
283int nfs3svc_decode_readlinkargs(struct svc_rqst *, __be32 *);
284int nfs3svc_decode_linkargs(struct svc_rqst *, __be32 *);
285int nfs3svc_decode_symlinkargs(struct svc_rqst *, __be32 *);
286int nfs3svc_decode_readdirargs(struct svc_rqst *, __be32 *);
287int nfs3svc_decode_readdirplusargs(struct svc_rqst *, __be32 *);
288int nfs3svc_decode_commitargs(struct svc_rqst *, __be32 *);
289int nfs3svc_encode_voidres(struct svc_rqst *, __be32 *);
290int nfs3svc_encode_attrstat(struct svc_rqst *, __be32 *);
291int nfs3svc_encode_wccstat(struct svc_rqst *, __be32 *);
292int nfs3svc_encode_diropres(struct svc_rqst *, __be32 *);
293int nfs3svc_encode_accessres(struct svc_rqst *, __be32 *);
294int nfs3svc_encode_readlinkres(struct svc_rqst *, __be32 *);
295int nfs3svc_encode_readres(struct svc_rqst *, __be32 *);
296int nfs3svc_encode_writeres(struct svc_rqst *, __be32 *);
297int nfs3svc_encode_createres(struct svc_rqst *, __be32 *);
298int nfs3svc_encode_renameres(struct svc_rqst *, __be32 *);
299int nfs3svc_encode_linkres(struct svc_rqst *, __be32 *);
300int nfs3svc_encode_readdirres(struct svc_rqst *, __be32 *);
301int nfs3svc_encode_fsstatres(struct svc_rqst *, __be32 *);
302int nfs3svc_encode_fsinfores(struct svc_rqst *, __be32 *);
303int nfs3svc_encode_pathconfres(struct svc_rqst *, __be32 *);
304int nfs3svc_encode_commitres(struct svc_rqst *, __be32 *);
305
306void nfs3svc_release_fhandle(struct svc_rqst *);
307void nfs3svc_release_fhandle2(struct svc_rqst *);
308int nfs3svc_encode_entry(void *, const char *name,
309 int namlen, loff_t offset, u64 ino,
310 unsigned int);
311int nfs3svc_encode_entry_plus(void *, const char *name,
312 int namlen, loff_t offset, u64 ino,
313 unsigned int);
314/* Helper functions for NFSv3 ACL code */
315__be32 *nfs3svc_encode_post_op_attr(struct svc_rqst *rqstp, __be32 *p,
316 struct svc_fh *fhp);
317__be32 *nfs3svc_decode_fh(__be32 *p, struct svc_fh *fhp);
318
319
320#endif /* _LINUX_NFSD_XDR3_H */