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/fs/nfsd/xdr3.h

https://bitbucket.org/cyanogenmod/android_kernel_asus_tf300t
C Header | 344 lines | 293 code | 40 blank | 11 comment | 0 complexity | 5911028fe7b0f9733d7f6d152f91c8db MD5 | raw file
Possible License(s): LGPL-2.0, AGPL-1.0, GPL-2.0
  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 */