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 
12 struct nfsd3_sattrargs {
13 	struct svc_fh		fh;
14 	struct iattr		attrs;
15 	int			check_guard;
16 	time_t			guardtime;
17 };
18 
19 struct nfsd3_diropargs {
20 	struct svc_fh		fh;
21 	char *			name;
22 	unsigned int		len;
23 };
24 
25 struct nfsd3_accessargs {
26 	struct svc_fh		fh;
27 	unsigned int		access;
28 };
29 
30 struct nfsd3_readargs {
31 	struct svc_fh		fh;
32 	__u64			offset;
33 	__u32			count;
34 	int			vlen;
35 };
36 
37 struct nfsd3_writeargs {
38 	svc_fh			fh;
39 	__u64			offset;
40 	__u32			count;
41 	int			stable;
42 	__u32			len;
43 	int			vlen;
44 };
45 
46 struct 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 
55 struct 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 
64 struct 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 
73 struct nfsd3_readlinkargs {
74 	struct svc_fh		fh;
75 	char *			buffer;
76 };
77 
78 struct nfsd3_linkargs {
79 	struct svc_fh		ffh;
80 	struct svc_fh		tfh;
81 	char *			tname;
82 	unsigned int		tlen;
83 };
84 
85 struct 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 
94 struct nfsd3_readdirargs {
95 	struct svc_fh		fh;
96 	__u64			cookie;
97 	__u32			dircount;
98 	__u32			count;
99 	__be32 *		verf;
100 	__be32 *		buffer;
101 };
102 
103 struct nfsd3_commitargs {
104 	struct svc_fh		fh;
105 	__u64			offset;
106 	__u32			count;
107 };
108 
109 struct nfsd3_getaclargs {
110 	struct svc_fh		fh;
111 	int			mask;
112 };
113 
114 struct posix_acl;
115 struct nfsd3_setaclargs {
116 	struct svc_fh		fh;
117 	int			mask;
118 	struct posix_acl	*acl_access;
119 	struct posix_acl	*acl_default;
120 };
121 
122 struct nfsd3_attrstat {
123 	__be32			status;
124 	struct svc_fh		fh;
125 	struct kstat            stat;
126 };
127 
128 /* LOOKUP, CREATE, MKDIR, SYMLINK, MKNOD */
129 struct nfsd3_diropres  {
130 	__be32			status;
131 	struct svc_fh		dirfh;
132 	struct svc_fh		fh;
133 };
134 
135 struct nfsd3_accessres {
136 	__be32			status;
137 	struct svc_fh		fh;
138 	__u32			access;
139 };
140 
141 struct nfsd3_readlinkres {
142 	__be32			status;
143 	struct svc_fh		fh;
144 	__u32			len;
145 };
146 
147 struct nfsd3_readres {
148 	__be32			status;
149 	struct svc_fh		fh;
150 	unsigned long		count;
151 	int			eof;
152 };
153 
154 struct nfsd3_writeres {
155 	__be32			status;
156 	struct svc_fh		fh;
157 	unsigned long		count;
158 	int			committed;
159 };
160 
161 struct nfsd3_renameres {
162 	__be32			status;
163 	struct svc_fh		ffh;
164 	struct svc_fh		tfh;
165 };
166 
167 struct nfsd3_linkres {
168 	__be32			status;
169 	struct svc_fh		tfh;
170 	struct svc_fh		fh;
171 };
172 
173 struct 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 
188 struct nfsd3_fsstatres {
189 	__be32			status;
190 	struct kstatfs		stats;
191 	__u32			invarsec;
192 };
193 
194 struct 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 
207 struct 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 
217 struct nfsd3_commitres {
218 	__be32			status;
219 	struct svc_fh		fh;
220 };
221 
222 struct 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 */
231 struct 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  */
240 union 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 
267 int nfs3svc_decode_fhandle(struct svc_rqst *, __be32 *, struct nfsd_fhandle *);
268 int nfs3svc_decode_sattrargs(struct svc_rqst *, __be32 *,
269 				struct nfsd3_sattrargs *);
270 int nfs3svc_decode_diropargs(struct svc_rqst *, __be32 *,
271 				struct nfsd3_diropargs *);
272 int nfs3svc_decode_accessargs(struct svc_rqst *, __be32 *,
273 				struct nfsd3_accessargs *);
274 int nfs3svc_decode_readargs(struct svc_rqst *, __be32 *,
275 				struct nfsd3_readargs *);
276 int nfs3svc_decode_writeargs(struct svc_rqst *, __be32 *,
277 				struct nfsd3_writeargs *);
278 int nfs3svc_decode_createargs(struct svc_rqst *, __be32 *,
279 				struct nfsd3_createargs *);
280 int nfs3svc_decode_mkdirargs(struct svc_rqst *, __be32 *,
281 				struct nfsd3_createargs *);
282 int nfs3svc_decode_mknodargs(struct svc_rqst *, __be32 *,
283 				struct nfsd3_mknodargs *);
284 int nfs3svc_decode_renameargs(struct svc_rqst *, __be32 *,
285 				struct nfsd3_renameargs *);
286 int nfs3svc_decode_readlinkargs(struct svc_rqst *, __be32 *,
287 				struct nfsd3_readlinkargs *);
288 int nfs3svc_decode_linkargs(struct svc_rqst *, __be32 *,
289 				struct nfsd3_linkargs *);
290 int nfs3svc_decode_symlinkargs(struct svc_rqst *, __be32 *,
291 				struct nfsd3_symlinkargs *);
292 int nfs3svc_decode_readdirargs(struct svc_rqst *, __be32 *,
293 				struct nfsd3_readdirargs *);
294 int nfs3svc_decode_readdirplusargs(struct svc_rqst *, __be32 *,
295 				struct nfsd3_readdirargs *);
296 int nfs3svc_decode_commitargs(struct svc_rqst *, __be32 *,
297 				struct nfsd3_commitargs *);
298 int nfs3svc_encode_voidres(struct svc_rqst *, __be32 *, void *);
299 int nfs3svc_encode_attrstat(struct svc_rqst *, __be32 *,
300 				struct nfsd3_attrstat *);
301 int nfs3svc_encode_wccstat(struct svc_rqst *, __be32 *,
302 				struct nfsd3_attrstat *);
303 int nfs3svc_encode_diropres(struct svc_rqst *, __be32 *,
304 				struct nfsd3_diropres *);
305 int nfs3svc_encode_accessres(struct svc_rqst *, __be32 *,
306 				struct nfsd3_accessres *);
307 int nfs3svc_encode_readlinkres(struct svc_rqst *, __be32 *,
308 				struct nfsd3_readlinkres *);
309 int nfs3svc_encode_readres(struct svc_rqst *, __be32 *, struct nfsd3_readres *);
310 int nfs3svc_encode_writeres(struct svc_rqst *, __be32 *, struct nfsd3_writeres *);
311 int nfs3svc_encode_createres(struct svc_rqst *, __be32 *,
312 				struct nfsd3_diropres *);
313 int nfs3svc_encode_renameres(struct svc_rqst *, __be32 *,
314 				struct nfsd3_renameres *);
315 int nfs3svc_encode_linkres(struct svc_rqst *, __be32 *,
316 				struct nfsd3_linkres *);
317 int nfs3svc_encode_readdirres(struct svc_rqst *, __be32 *,
318 				struct nfsd3_readdirres *);
319 int nfs3svc_encode_fsstatres(struct svc_rqst *, __be32 *,
320 				struct nfsd3_fsstatres *);
321 int nfs3svc_encode_fsinfores(struct svc_rqst *, __be32 *,
322 				struct nfsd3_fsinfores *);
323 int nfs3svc_encode_pathconfres(struct svc_rqst *, __be32 *,
324 				struct nfsd3_pathconfres *);
325 int nfs3svc_encode_commitres(struct svc_rqst *, __be32 *,
326 				struct nfsd3_commitres *);
327 
328 int nfs3svc_release_fhandle(struct svc_rqst *, __be32 *,
329 				struct nfsd3_attrstat *);
330 int nfs3svc_release_fhandle2(struct svc_rqst *, __be32 *,
331 				struct nfsd3_fhandle_pair *);
332 int nfs3svc_encode_entry(void *, const char *name,
333 				int namlen, loff_t offset, u64 ino,
334 				unsigned int);
335 int 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