1/*
2 * linux/include/linux/nfsd/xdr3.h
3 *
4 * XDR types for NFSv3 in nfsd.
5 *
6 * Copyright (C) 1996-1998, Olaf Kirch <okir@monad.swb.de>
7 */
8
9#ifndef _LINUX_NFSD_XDR3_H
10#define _LINUX_NFSD_XDR3_H
11
12#include <linux/nfsd/xdr.h>
13
14struct nfsd3_sattrargs {
15	struct svc_fh		fh;
16	struct iattr		attrs;
17	int			check_guard;
18	time_t			guardtime;
19};
20
21struct nfsd3_diropargs {
22	struct svc_fh		fh;
23	char *			name;
24	int			len;
25};
26
27struct nfsd3_accessargs {
28	struct svc_fh		fh;
29	unsigned int		access;
30};
31
32struct nfsd3_readargs {
33	struct svc_fh		fh;
34	__u64			offset;
35	__u32			count;
36	int			vlen;
37};
38
39struct nfsd3_writeargs {
40	svc_fh			fh;
41	__u64			offset;
42	__u32			count;
43	int			stable;
44	__u32			len;
45	int			vlen;
46};
47
48struct nfsd3_createargs {
49	struct svc_fh		fh;
50	char *			name;
51	int			len;
52	int			createmode;
53	struct iattr		attrs;
54	__be32 *		verf;
55};
56
57struct nfsd3_mknodargs {
58	struct svc_fh		fh;
59	char *			name;
60	int			len;
61	__u32			ftype;
62	__u32			major, minor;
63	struct iattr		attrs;
64};
65
66struct nfsd3_renameargs {
67	struct svc_fh		ffh;
68	char *			fname;
69	int			flen;
70	struct svc_fh		tfh;
71	char *			tname;
72	int			tlen;
73};
74
75struct nfsd3_readlinkargs {
76	struct svc_fh		fh;
77	char *			buffer;
78};
79
80struct nfsd3_linkargs {
81	struct svc_fh		ffh;
82	struct svc_fh		tfh;
83	char *			tname;
84	int			tlen;
85};
86
87struct nfsd3_symlinkargs {
88	struct svc_fh		ffh;
89	char *			fname;
90	int			flen;
91	char *			tname;
92	int			tlen;
93	struct iattr		attrs;
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};
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	int			count;
179	__be32			verf[2];
180
181	struct readdir_cd	common;
182	__be32 *		buffer;
183	int			buflen;
184	__be32 *		offset;
185	__be32 *		offset1;
186	struct svc_rqst *	rqstp;
187
188};
189
190struct nfsd3_fsstatres {
191	__be32			status;
192	struct kstatfs		stats;
193	__u32			invarsec;
194};
195
196struct nfsd3_fsinfores {
197	__be32			status;
198	__u32			f_rtmax;
199	__u32			f_rtpref;
200	__u32			f_rtmult;
201	__u32			f_wtmax;
202	__u32			f_wtpref;
203	__u32			f_wtmult;
204	__u32			f_dtpref;
205	__u64			f_maxfilesize;
206	__u32			f_properties;
207};
208
209struct nfsd3_pathconfres {
210	__be32			status;
211	__u32			p_link_max;
212	__u32			p_name_max;
213	__u32			p_no_trunc;
214	__u32			p_chown_restricted;
215	__u32			p_case_insensitive;
216	__u32			p_case_preserving;
217};
218
219struct nfsd3_commitres {
220	__be32			status;
221	struct svc_fh		fh;
222};
223
224struct nfsd3_getaclres {
225	__be32			status;
226	struct svc_fh		fh;
227	int			mask;
228	struct posix_acl	*acl_access;
229	struct posix_acl	*acl_default;
230};
231
232/* dummy type for release */
233struct nfsd3_fhandle_pair {
234	__u32			dummy;
235	struct svc_fh		fh1;
236	struct svc_fh		fh2;
237};
238
239/*
240 * Storage requirements for XDR arguments and results.
241 */
242union nfsd3_xdrstore {
243	struct nfsd3_sattrargs		sattrargs;
244	struct nfsd3_diropargs		diropargs;
245	struct nfsd3_readargs		readargs;
246	struct nfsd3_writeargs		writeargs;
247	struct nfsd3_createargs		createargs;
248	struct nfsd3_renameargs		renameargs;
249	struct nfsd3_linkargs		linkargs;
250	struct nfsd3_symlinkargs	symlinkargs;
251	struct nfsd3_readdirargs	readdirargs;
252	struct nfsd3_diropres 		diropres;
253	struct nfsd3_accessres		accessres;
254	struct nfsd3_readlinkres	readlinkres;
255	struct nfsd3_readres		readres;
256	struct nfsd3_writeres		writeres;
257	struct nfsd3_renameres		renameres;
258	struct nfsd3_linkres		linkres;
259	struct nfsd3_readdirres		readdirres;
260	struct nfsd3_fsstatres		fsstatres;
261	struct nfsd3_fsinfores		fsinfores;
262	struct nfsd3_pathconfres	pathconfres;
263	struct nfsd3_commitres		commitres;
264	struct nfsd3_getaclres		getaclres;
265};
266
267#define NFS3_SVC_XDRSIZE		sizeof(union nfsd3_xdrstore)
268
269int nfs3svc_decode_fhandle(struct svc_rqst *, __be32 *, struct nfsd_fhandle *);
270int nfs3svc_decode_sattrargs(struct svc_rqst *, __be32 *,
271				struct nfsd3_sattrargs *);
272int nfs3svc_decode_diropargs(struct svc_rqst *, __be32 *,
273				struct nfsd3_diropargs *);
274int nfs3svc_decode_accessargs(struct svc_rqst *, __be32 *,
275				struct nfsd3_accessargs *);
276int nfs3svc_decode_readargs(struct svc_rqst *, __be32 *,
277				struct nfsd3_readargs *);
278int nfs3svc_decode_writeargs(struct svc_rqst *, __be32 *,
279				struct nfsd3_writeargs *);
280int nfs3svc_decode_createargs(struct svc_rqst *, __be32 *,
281				struct nfsd3_createargs *);
282int nfs3svc_decode_mkdirargs(struct svc_rqst *, __be32 *,
283				struct nfsd3_createargs *);
284int nfs3svc_decode_mknodargs(struct svc_rqst *, __be32 *,
285				struct nfsd3_mknodargs *);
286int nfs3svc_decode_renameargs(struct svc_rqst *, __be32 *,
287				struct nfsd3_renameargs *);
288int nfs3svc_decode_readlinkargs(struct svc_rqst *, __be32 *,
289				struct nfsd3_readlinkargs *);
290int nfs3svc_decode_linkargs(struct svc_rqst *, __be32 *,
291				struct nfsd3_linkargs *);
292int nfs3svc_decode_symlinkargs(struct svc_rqst *, __be32 *,
293				struct nfsd3_symlinkargs *);
294int nfs3svc_decode_readdirargs(struct svc_rqst *, __be32 *,
295				struct nfsd3_readdirargs *);
296int nfs3svc_decode_readdirplusargs(struct svc_rqst *, __be32 *,
297				struct nfsd3_readdirargs *);
298int nfs3svc_decode_commitargs(struct svc_rqst *, __be32 *,
299				struct nfsd3_commitargs *);
300int nfs3svc_encode_voidres(struct svc_rqst *, __be32 *, void *);
301int nfs3svc_encode_attrstat(struct svc_rqst *, __be32 *,
302				struct nfsd3_attrstat *);
303int nfs3svc_encode_wccstat(struct svc_rqst *, __be32 *,
304				struct nfsd3_attrstat *);
305int nfs3svc_encode_diropres(struct svc_rqst *, __be32 *,
306				struct nfsd3_diropres *);
307int nfs3svc_encode_accessres(struct svc_rqst *, __be32 *,
308				struct nfsd3_accessres *);
309int nfs3svc_encode_readlinkres(struct svc_rqst *, __be32 *,
310				struct nfsd3_readlinkres *);
311int nfs3svc_encode_readres(struct svc_rqst *, __be32 *, struct nfsd3_readres *);
312int nfs3svc_encode_writeres(struct svc_rqst *, __be32 *, struct nfsd3_writeres *);
313int nfs3svc_encode_createres(struct svc_rqst *, __be32 *,
314				struct nfsd3_diropres *);
315int nfs3svc_encode_renameres(struct svc_rqst *, __be32 *,
316				struct nfsd3_renameres *);
317int nfs3svc_encode_linkres(struct svc_rqst *, __be32 *,
318				struct nfsd3_linkres *);
319int nfs3svc_encode_readdirres(struct svc_rqst *, __be32 *,
320				struct nfsd3_readdirres *);
321int nfs3svc_encode_fsstatres(struct svc_rqst *, __be32 *,
322				struct nfsd3_fsstatres *);
323int nfs3svc_encode_fsinfores(struct svc_rqst *, __be32 *,
324				struct nfsd3_fsinfores *);
325int nfs3svc_encode_pathconfres(struct svc_rqst *, __be32 *,
326				struct nfsd3_pathconfres *);
327int nfs3svc_encode_commitres(struct svc_rqst *, __be32 *,
328				struct nfsd3_commitres *);
329
330int nfs3svc_release_fhandle(struct svc_rqst *, __be32 *,
331				struct nfsd3_attrstat *);
332int nfs3svc_release_fhandle2(struct svc_rqst *, __be32 *,
333				struct nfsd3_fhandle_pair *);
334int nfs3svc_encode_entry(void *, const char *name,
335				int namlen, loff_t offset, u64 ino,
336				unsigned int);
337int nfs3svc_encode_entry_plus(void *, const char *name,
338				int namlen, loff_t offset, u64 ino,
339				unsigned int);
340/* Helper functions for NFSv3 ACL code */
341__be32 *nfs3svc_encode_post_op_attr(struct svc_rqst *rqstp, __be32 *p,
342				struct svc_fh *fhp);
343__be32 *nfs3svc_decode_fh(__be32 *p, struct svc_fh *fhp);
344
345
346#endif /* _LINUX_NFSD_XDR3_H */
347