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-rw-r--r--fs/nfsd/xdr.h176
1 files changed, 176 insertions, 0 deletions
diff --git a/fs/nfsd/xdr.h b/fs/nfsd/xdr.h
new file mode 100644
index 000000000000..235ee5c3be54
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+++ b/fs/nfsd/xdr.h
@@ -0,0 +1,176 @@
1/*
2 * linux/include/linux/nfsd/xdr.h
3 *
4 * XDR types for nfsd. This is mainly a typing exercise.
5 */
6
7#ifndef LINUX_NFSD_H
8#define LINUX_NFSD_H
9
10#include <linux/vfs.h>
11#include "nfsd.h"
12
13struct nfsd_fhandle {
14 struct svc_fh fh;
15};
16
17struct nfsd_sattrargs {
18 struct svc_fh fh;
19 struct iattr attrs;
20};
21
22struct nfsd_diropargs {
23 struct svc_fh fh;
24 char * name;
25 unsigned int len;
26};
27
28struct nfsd_readargs {
29 struct svc_fh fh;
30 __u32 offset;
31 __u32 count;
32 int vlen;
33};
34
35struct nfsd_writeargs {
36 svc_fh fh;
37 __u32 offset;
38 int len;
39 int vlen;
40};
41
42struct nfsd_createargs {
43 struct svc_fh fh;
44 char * name;
45 unsigned int len;
46 struct iattr attrs;
47};
48
49struct nfsd_renameargs {
50 struct svc_fh ffh;
51 char * fname;
52 unsigned int flen;
53 struct svc_fh tfh;
54 char * tname;
55 unsigned int tlen;
56};
57
58struct nfsd_readlinkargs {
59 struct svc_fh fh;
60 char * buffer;
61};
62
63struct nfsd_linkargs {
64 struct svc_fh ffh;
65 struct svc_fh tfh;
66 char * tname;
67 unsigned int tlen;
68};
69
70struct nfsd_symlinkargs {
71 struct svc_fh ffh;
72 char * fname;
73 unsigned int flen;
74 char * tname;
75 unsigned int tlen;
76 struct iattr attrs;
77};
78
79struct nfsd_readdirargs {
80 struct svc_fh fh;
81 __u32 cookie;
82 __u32 count;
83 __be32 * buffer;
84};
85
86struct nfsd_attrstat {
87 struct svc_fh fh;
88 struct kstat stat;
89};
90
91struct nfsd_diropres {
92 struct svc_fh fh;
93 struct kstat stat;
94};
95
96struct nfsd_readlinkres {
97 int len;
98};
99
100struct nfsd_readres {
101 struct svc_fh fh;
102 unsigned long count;
103 struct kstat stat;
104};
105
106struct nfsd_readdirres {
107 int count;
108
109 struct readdir_cd common;
110 __be32 * buffer;
111 int buflen;
112 __be32 * offset;
113};
114
115struct nfsd_statfsres {
116 struct kstatfs stats;
117};
118
119/*
120 * Storage requirements for XDR arguments and results.
121 */
122union nfsd_xdrstore {
123 struct nfsd_sattrargs sattr;
124 struct nfsd_diropargs dirop;
125 struct nfsd_readargs read;
126 struct nfsd_writeargs write;
127 struct nfsd_createargs create;
128 struct nfsd_renameargs rename;
129 struct nfsd_linkargs link;
130 struct nfsd_symlinkargs symlink;
131 struct nfsd_readdirargs readdir;
132};
133
134#define NFS2_SVC_XDRSIZE sizeof(union nfsd_xdrstore)
135
136
137int nfssvc_decode_void(struct svc_rqst *, __be32 *, void *);
138int nfssvc_decode_fhandle(struct svc_rqst *, __be32 *, struct nfsd_fhandle *);
139int nfssvc_decode_sattrargs(struct svc_rqst *, __be32 *,
140 struct nfsd_sattrargs *);
141int nfssvc_decode_diropargs(struct svc_rqst *, __be32 *,
142 struct nfsd_diropargs *);
143int nfssvc_decode_readargs(struct svc_rqst *, __be32 *,
144 struct nfsd_readargs *);
145int nfssvc_decode_writeargs(struct svc_rqst *, __be32 *,
146 struct nfsd_writeargs *);
147int nfssvc_decode_createargs(struct svc_rqst *, __be32 *,
148 struct nfsd_createargs *);
149int nfssvc_decode_renameargs(struct svc_rqst *, __be32 *,
150 struct nfsd_renameargs *);
151int nfssvc_decode_readlinkargs(struct svc_rqst *, __be32 *,
152 struct nfsd_readlinkargs *);
153int nfssvc_decode_linkargs(struct svc_rqst *, __be32 *,
154 struct nfsd_linkargs *);
155int nfssvc_decode_symlinkargs(struct svc_rqst *, __be32 *,
156 struct nfsd_symlinkargs *);
157int nfssvc_decode_readdirargs(struct svc_rqst *, __be32 *,
158 struct nfsd_readdirargs *);
159int nfssvc_encode_void(struct svc_rqst *, __be32 *, void *);
160int nfssvc_encode_attrstat(struct svc_rqst *, __be32 *, struct nfsd_attrstat *);
161int nfssvc_encode_diropres(struct svc_rqst *, __be32 *, struct nfsd_diropres *);
162int nfssvc_encode_readlinkres(struct svc_rqst *, __be32 *, struct nfsd_readlinkres *);
163int nfssvc_encode_readres(struct svc_rqst *, __be32 *, struct nfsd_readres *);
164int nfssvc_encode_statfsres(struct svc_rqst *, __be32 *, struct nfsd_statfsres *);
165int nfssvc_encode_readdirres(struct svc_rqst *, __be32 *, struct nfsd_readdirres *);
166
167int nfssvc_encode_entry(void *, const char *name,
168 int namlen, loff_t offset, u64 ino, unsigned int);
169
170int nfssvc_release_fhandle(struct svc_rqst *, __be32 *, struct nfsd_fhandle *);
171
172/* Helper functions for NFSv2 ACL code */
173__be32 *nfs2svc_encode_fattr(struct svc_rqst *rqstp, __be32 *p, struct svc_fh *fhp);
174__be32 *nfs2svc_decode_fh(__be32 *p, struct svc_fh *fhp);
175
176#endif /* LINUX_NFSD_H */