forked from torvalds/linux
-
Notifications
You must be signed in to change notification settings - Fork 1
/
xdr.h
177 lines (147 loc) · 4.28 KB
/
xdr.h
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
/* SPDX-License-Identifier: GPL-2.0 */
/* XDR types for nfsd. This is mainly a typing exercise. */
#ifndef LINUX_NFSD_H
#define LINUX_NFSD_H
#include <linux/vfs.h>
#include "nfsd.h"
#include "nfsfh.h"
struct nfsd_fhandle {
struct svc_fh fh;
};
struct nfsd_sattrargs {
struct svc_fh fh;
struct iattr attrs;
};
struct nfsd_diropargs {
struct svc_fh fh;
char * name;
unsigned int len;
};
struct nfsd_readargs {
struct svc_fh fh;
__u32 offset;
__u32 count;
};
struct nfsd_writeargs {
svc_fh fh;
__u32 offset;
__u32 len;
struct xdr_buf payload;
};
struct nfsd_createargs {
struct svc_fh fh;
char * name;
unsigned int len;
struct iattr attrs;
};
struct nfsd_renameargs {
struct svc_fh ffh;
char * fname;
unsigned int flen;
struct svc_fh tfh;
char * tname;
unsigned int tlen;
};
struct nfsd_linkargs {
struct svc_fh ffh;
struct svc_fh tfh;
char * tname;
unsigned int tlen;
};
struct nfsd_symlinkargs {
struct svc_fh ffh;
char * fname;
unsigned int flen;
char * tname;
unsigned int tlen;
struct iattr attrs;
struct kvec first;
};
struct nfsd_readdirargs {
struct svc_fh fh;
__u32 cookie;
__u32 count;
};
struct nfsd_stat {
__be32 status;
};
struct nfsd_attrstat {
__be32 status;
struct svc_fh fh;
struct kstat stat;
};
struct nfsd_diropres {
__be32 status;
struct svc_fh fh;
struct kstat stat;
};
struct nfsd_readlinkres {
__be32 status;
int len;
struct page *page;
};
struct nfsd_readres {
__be32 status;
struct svc_fh fh;
unsigned long count;
struct kstat stat;
struct page **pages;
};
struct nfsd_readdirres {
/* Components of the reply */
__be32 status;
int count;
/* Used to encode the reply's entry list */
struct xdr_stream xdr;
struct xdr_buf dirlist;
struct readdir_cd common;
unsigned int cookie_offset;
};
struct nfsd_statfsres {
__be32 status;
struct kstatfs stats;
};
/*
* Storage requirements for XDR arguments and results.
*/
union nfsd_xdrstore {
struct nfsd_sattrargs sattr;
struct nfsd_diropargs dirop;
struct nfsd_readargs read;
struct nfsd_writeargs write;
struct nfsd_createargs create;
struct nfsd_renameargs rename;
struct nfsd_linkargs link;
struct nfsd_symlinkargs symlink;
struct nfsd_readdirargs readdir;
};
#define NFS2_SVC_XDRSIZE sizeof(union nfsd_xdrstore)
bool nfssvc_decode_fhandleargs(struct svc_rqst *rqstp, struct xdr_stream *xdr);
bool nfssvc_decode_sattrargs(struct svc_rqst *rqstp, struct xdr_stream *xdr);
bool nfssvc_decode_diropargs(struct svc_rqst *rqstp, struct xdr_stream *xdr);
bool nfssvc_decode_readargs(struct svc_rqst *rqstp, struct xdr_stream *xdr);
bool nfssvc_decode_writeargs(struct svc_rqst *rqstp, struct xdr_stream *xdr);
bool nfssvc_decode_createargs(struct svc_rqst *rqstp, struct xdr_stream *xdr);
bool nfssvc_decode_renameargs(struct svc_rqst *rqstp, struct xdr_stream *xdr);
bool nfssvc_decode_linkargs(struct svc_rqst *rqstp, struct xdr_stream *xdr);
bool nfssvc_decode_symlinkargs(struct svc_rqst *rqstp, struct xdr_stream *xdr);
bool nfssvc_decode_readdirargs(struct svc_rqst *rqstp, struct xdr_stream *xdr);
bool nfssvc_encode_statres(struct svc_rqst *rqstp, struct xdr_stream *xdr);
bool nfssvc_encode_attrstatres(struct svc_rqst *rqstp, struct xdr_stream *xdr);
bool nfssvc_encode_diropres(struct svc_rqst *rqstp, struct xdr_stream *xdr);
bool nfssvc_encode_readlinkres(struct svc_rqst *rqstp, struct xdr_stream *xdr);
bool nfssvc_encode_readres(struct svc_rqst *rqstp, struct xdr_stream *xdr);
bool nfssvc_encode_statfsres(struct svc_rqst *rqstp, struct xdr_stream *xdr);
bool nfssvc_encode_readdirres(struct svc_rqst *rqstp, struct xdr_stream *xdr);
void nfssvc_encode_nfscookie(struct nfsd_readdirres *resp, u32 offset);
int nfssvc_encode_entry(void *data, const char *name, int namlen,
loff_t offset, u64 ino, unsigned int d_type);
void nfssvc_release_attrstat(struct svc_rqst *rqstp);
void nfssvc_release_diropres(struct svc_rqst *rqstp);
void nfssvc_release_readres(struct svc_rqst *rqstp);
/* Helper functions for NFSv2 ACL code */
bool svcxdr_decode_fhandle(struct xdr_stream *xdr, struct svc_fh *fhp);
bool svcxdr_encode_stat(struct xdr_stream *xdr, __be32 status);
bool svcxdr_encode_fattr(struct svc_rqst *rqstp, struct xdr_stream *xdr,
const struct svc_fh *fhp, const struct kstat *stat);
#endif /* LINUX_NFSD_H */