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Commit | Line | Data |
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b2441318 | 1 | /* SPDX-License-Identifier: GPL-2.0 */ |
7663dacd | 2 | /* XDR types for nfsd. This is mainly a typing exercise. */ |
1da177e4 LT |
3 | |
4 | #ifndef LINUX_NFSD_H | |
5 | #define LINUX_NFSD_H | |
6 | ||
1da177e4 | 7 | #include <linux/vfs.h> |
9a74af21 | 8 | #include "nfsd.h" |
1557aca7 | 9 | #include "nfsfh.h" |
1da177e4 LT |
10 | |
11 | struct nfsd_fhandle { | |
12 | struct svc_fh fh; | |
13 | }; | |
14 | ||
15 | struct nfsd_sattrargs { | |
16 | struct svc_fh fh; | |
17 | struct iattr attrs; | |
18 | }; | |
19 | ||
20 | struct nfsd_diropargs { | |
21 | struct svc_fh fh; | |
22 | char * name; | |
29d5e555 | 23 | unsigned int len; |
1da177e4 LT |
24 | }; |
25 | ||
26 | struct nfsd_readargs { | |
27 | struct svc_fh fh; | |
28 | __u32 offset; | |
29 | __u32 count; | |
1da177e4 LT |
30 | int vlen; |
31 | }; | |
32 | ||
33 | struct nfsd_writeargs { | |
34 | svc_fh fh; | |
35 | __u32 offset; | |
36 | int len; | |
8154ef27 | 37 | struct kvec first; |
1da177e4 LT |
38 | }; |
39 | ||
40 | struct nfsd_createargs { | |
41 | struct svc_fh fh; | |
42 | char * name; | |
29d5e555 | 43 | unsigned int len; |
1da177e4 LT |
44 | struct iattr attrs; |
45 | }; | |
46 | ||
47 | struct nfsd_renameargs { | |
48 | struct svc_fh ffh; | |
49 | char * fname; | |
29d5e555 | 50 | unsigned int flen; |
1da177e4 LT |
51 | struct svc_fh tfh; |
52 | char * tname; | |
29d5e555 | 53 | unsigned int tlen; |
1da177e4 LT |
54 | }; |
55 | ||
56 | struct nfsd_readlinkargs { | |
57 | struct svc_fh fh; | |
58 | char * buffer; | |
59 | }; | |
60 | ||
61 | struct nfsd_linkargs { | |
62 | struct svc_fh ffh; | |
63 | struct svc_fh tfh; | |
64 | char * tname; | |
29d5e555 | 65 | unsigned int tlen; |
1da177e4 LT |
66 | }; |
67 | ||
68 | struct nfsd_symlinkargs { | |
69 | struct svc_fh ffh; | |
70 | char * fname; | |
29d5e555 | 71 | unsigned int flen; |
1da177e4 | 72 | char * tname; |
48b4ba3f | 73 | unsigned int tlen; |
1da177e4 | 74 | struct iattr attrs; |
38a70315 | 75 | struct kvec first; |
1da177e4 LT |
76 | }; |
77 | ||
78 | struct nfsd_readdirargs { | |
79 | struct svc_fh fh; | |
80 | __u32 cookie; | |
81 | __u32 count; | |
131a21c2 | 82 | __be32 * buffer; |
1da177e4 LT |
83 | }; |
84 | ||
cc028a10 CL |
85 | struct nfsd_stat { |
86 | __be32 status; | |
87 | }; | |
88 | ||
1da177e4 | 89 | struct nfsd_attrstat { |
f0af2210 | 90 | __be32 status; |
1da177e4 | 91 | struct svc_fh fh; |
a334de28 | 92 | struct kstat stat; |
1da177e4 LT |
93 | }; |
94 | ||
95 | struct nfsd_diropres { | |
f0af2210 | 96 | __be32 status; |
1da177e4 | 97 | struct svc_fh fh; |
a334de28 | 98 | struct kstat stat; |
1da177e4 LT |
99 | }; |
100 | ||
101 | struct nfsd_readlinkres { | |
f0af2210 | 102 | __be32 status; |
1da177e4 LT |
103 | int len; |
104 | }; | |
105 | ||
106 | struct nfsd_readres { | |
f0af2210 | 107 | __be32 status; |
1da177e4 LT |
108 | struct svc_fh fh; |
109 | unsigned long count; | |
a334de28 | 110 | struct kstat stat; |
1da177e4 LT |
111 | }; |
112 | ||
113 | struct nfsd_readdirres { | |
f0af2210 CL |
114 | __be32 status; |
115 | ||
1da177e4 LT |
116 | int count; |
117 | ||
118 | struct readdir_cd common; | |
131a21c2 | 119 | __be32 * buffer; |
1da177e4 | 120 | int buflen; |
131a21c2 | 121 | __be32 * offset; |
1da177e4 LT |
122 | }; |
123 | ||
124 | struct nfsd_statfsres { | |
f0af2210 | 125 | __be32 status; |
1da177e4 LT |
126 | struct kstatfs stats; |
127 | }; | |
128 | ||
129 | /* | |
130 | * Storage requirements for XDR arguments and results. | |
131 | */ | |
132 | union nfsd_xdrstore { | |
133 | struct nfsd_sattrargs sattr; | |
134 | struct nfsd_diropargs dirop; | |
135 | struct nfsd_readargs read; | |
136 | struct nfsd_writeargs write; | |
137 | struct nfsd_createargs create; | |
138 | struct nfsd_renameargs rename; | |
139 | struct nfsd_linkargs link; | |
140 | struct nfsd_symlinkargs symlink; | |
141 | struct nfsd_readdirargs readdir; | |
142 | }; | |
143 | ||
144 | #define NFS2_SVC_XDRSIZE sizeof(union nfsd_xdrstore) | |
145 | ||
146 | ||
026fec7e CH |
147 | int nfssvc_decode_fhandle(struct svc_rqst *, __be32 *); |
148 | int nfssvc_decode_sattrargs(struct svc_rqst *, __be32 *); | |
149 | int nfssvc_decode_diropargs(struct svc_rqst *, __be32 *); | |
150 | int nfssvc_decode_readargs(struct svc_rqst *, __be32 *); | |
151 | int nfssvc_decode_writeargs(struct svc_rqst *, __be32 *); | |
152 | int nfssvc_decode_createargs(struct svc_rqst *, __be32 *); | |
153 | int nfssvc_decode_renameargs(struct svc_rqst *, __be32 *); | |
154 | int nfssvc_decode_readlinkargs(struct svc_rqst *, __be32 *); | |
155 | int nfssvc_decode_linkargs(struct svc_rqst *, __be32 *); | |
156 | int nfssvc_decode_symlinkargs(struct svc_rqst *, __be32 *); | |
157 | int nfssvc_decode_readdirargs(struct svc_rqst *, __be32 *); | |
cc028a10 | 158 | int nfssvc_encode_stat(struct svc_rqst *, __be32 *); |
63f8de37 CH |
159 | int nfssvc_encode_attrstat(struct svc_rqst *, __be32 *); |
160 | int nfssvc_encode_diropres(struct svc_rqst *, __be32 *); | |
161 | int nfssvc_encode_readlinkres(struct svc_rqst *, __be32 *); | |
162 | int nfssvc_encode_readres(struct svc_rqst *, __be32 *); | |
163 | int nfssvc_encode_statfsres(struct svc_rqst *, __be32 *); | |
164 | int nfssvc_encode_readdirres(struct svc_rqst *, __be32 *); | |
1da177e4 | 165 | |
a0ad13ef N |
166 | int nfssvc_encode_entry(void *, const char *name, |
167 | int namlen, loff_t offset, u64 ino, unsigned int); | |
1da177e4 | 168 | |
1841b9b6 CL |
169 | void nfssvc_release_attrstat(struct svc_rqst *rqstp); |
170 | void nfssvc_release_diropres(struct svc_rqst *rqstp); | |
171 | void nfssvc_release_readres(struct svc_rqst *rqstp); | |
1da177e4 | 172 | |
a257cdd0 | 173 | /* Helper functions for NFSv2 ACL code */ |
4f4a4fad | 174 | __be32 *nfs2svc_encode_fattr(struct svc_rqst *rqstp, __be32 *p, struct svc_fh *fhp, struct kstat *stat); |
131a21c2 | 175 | __be32 *nfs2svc_decode_fh(__be32 *p, struct svc_fh *fhp); |
a257cdd0 | 176 | |
1da177e4 | 177 | #endif /* LINUX_NFSD_H */ |