aboutsummaryrefslogtreecommitdiffstats
path: root/fs/9p/9p.h
diff options
context:
space:
mode:
Diffstat (limited to 'fs/9p/9p.h')
-rw-r--r--fs/9p/9p.h375
1 files changed, 0 insertions, 375 deletions
diff --git a/fs/9p/9p.h b/fs/9p/9p.h
deleted file mode 100644
index 94e2f92ab2e8..000000000000
--- a/fs/9p/9p.h
+++ /dev/null
@@ -1,375 +0,0 @@
1/*
2 * linux/fs/9p/9p.h
3 *
4 * 9P protocol definitions.
5 *
6 * Copyright (C) 2005 by Latchesar Ionkov <lucho@ionkov.net>
7 * Copyright (C) 2004 by Eric Van Hensbergen <ericvh@gmail.com>
8 * Copyright (C) 2002 by Ron Minnich <rminnich@lanl.gov>
9 *
10 * This program is free software; you can redistribute it and/or modify
11 * it under the terms of the GNU General Public License version 2
12 * as published by the Free Software Foundation.
13 *
14 * This program is distributed in the hope that it will be useful,
15 * but WITHOUT ANY WARRANTY; without even the implied warranty of
16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17 * GNU General Public License for more details.
18 *
19 * You should have received a copy of the GNU General Public License
20 * along with this program; if not, write to:
21 * Free Software Foundation
22 * 51 Franklin Street, Fifth Floor
23 * Boston, MA 02111-1301 USA
24 *
25 */
26
27/* Message Types */
28enum {
29 TVERSION = 100,
30 RVERSION,
31 TAUTH = 102,
32 RAUTH,
33 TATTACH = 104,
34 RATTACH,
35 TERROR = 106,
36 RERROR,
37 TFLUSH = 108,
38 RFLUSH,
39 TWALK = 110,
40 RWALK,
41 TOPEN = 112,
42 ROPEN,
43 TCREATE = 114,
44 RCREATE,
45 TREAD = 116,
46 RREAD,
47 TWRITE = 118,
48 RWRITE,
49 TCLUNK = 120,
50 RCLUNK,
51 TREMOVE = 122,
52 RREMOVE,
53 TSTAT = 124,
54 RSTAT,
55 TWSTAT = 126,
56 RWSTAT,
57};
58
59/* modes */
60enum {
61 V9FS_OREAD = 0x00,
62 V9FS_OWRITE = 0x01,
63 V9FS_ORDWR = 0x02,
64 V9FS_OEXEC = 0x03,
65 V9FS_OEXCL = 0x04,
66 V9FS_OTRUNC = 0x10,
67 V9FS_OREXEC = 0x20,
68 V9FS_ORCLOSE = 0x40,
69 V9FS_OAPPEND = 0x80,
70};
71
72/* permissions */
73enum {
74 V9FS_DMDIR = 0x80000000,
75 V9FS_DMAPPEND = 0x40000000,
76 V9FS_DMEXCL = 0x20000000,
77 V9FS_DMMOUNT = 0x10000000,
78 V9FS_DMAUTH = 0x08000000,
79 V9FS_DMTMP = 0x04000000,
80 V9FS_DMSYMLINK = 0x02000000,
81 V9FS_DMLINK = 0x01000000,
82 /* 9P2000.u extensions */
83 V9FS_DMDEVICE = 0x00800000,
84 V9FS_DMNAMEDPIPE = 0x00200000,
85 V9FS_DMSOCKET = 0x00100000,
86 V9FS_DMSETUID = 0x00080000,
87 V9FS_DMSETGID = 0x00040000,
88};
89
90/* qid.types */
91enum {
92 V9FS_QTDIR = 0x80,
93 V9FS_QTAPPEND = 0x40,
94 V9FS_QTEXCL = 0x20,
95 V9FS_QTMOUNT = 0x10,
96 V9FS_QTAUTH = 0x08,
97 V9FS_QTTMP = 0x04,
98 V9FS_QTSYMLINK = 0x02,
99 V9FS_QTLINK = 0x01,
100 V9FS_QTFILE = 0x00,
101};
102
103#define V9FS_NOTAG (u16)(~0)
104#define V9FS_NOFID (u32)(~0)
105#define V9FS_MAXWELEM 16
106
107/* ample room for Twrite/Rread header (iounit) */
108#define V9FS_IOHDRSZ 24
109
110struct v9fs_str {
111 u16 len;
112 char *str;
113};
114
115/* qids are the unique ID for a file (like an inode */
116struct v9fs_qid {
117 u8 type;
118 u32 version;
119 u64 path;
120};
121
122/* Plan 9 file metadata (stat) structure */
123struct v9fs_stat {
124 u16 size;
125 u16 type;
126 u32 dev;
127 struct v9fs_qid qid;
128 u32 mode;
129 u32 atime;
130 u32 mtime;
131 u64 length;
132 struct v9fs_str name;
133 struct v9fs_str uid;
134 struct v9fs_str gid;
135 struct v9fs_str muid;
136 struct v9fs_str extension; /* 9p2000.u extensions */
137 u32 n_uid; /* 9p2000.u extensions */
138 u32 n_gid; /* 9p2000.u extensions */
139 u32 n_muid; /* 9p2000.u extensions */
140};
141
142/* file metadata (stat) structure used to create Twstat message
143 The is similar to v9fs_stat, but the strings don't point to
144 the same memory block and should be freed separately
145*/
146struct v9fs_wstat {
147 u16 size;
148 u16 type;
149 u32 dev;
150 struct v9fs_qid qid;
151 u32 mode;
152 u32 atime;
153 u32 mtime;
154 u64 length;
155 char *name;
156 char *uid;
157 char *gid;
158 char *muid;
159 char *extension; /* 9p2000.u extensions */
160 u32 n_uid; /* 9p2000.u extensions */
161 u32 n_gid; /* 9p2000.u extensions */
162 u32 n_muid; /* 9p2000.u extensions */
163};
164
165/* Structures for Protocol Operations */
166
167struct Tversion {
168 u32 msize;
169 struct v9fs_str version;
170};
171
172struct Rversion {
173 u32 msize;
174 struct v9fs_str version;
175};
176
177struct Tauth {
178 u32 afid;
179 struct v9fs_str uname;
180 struct v9fs_str aname;
181};
182
183struct Rauth {
184 struct v9fs_qid qid;
185};
186
187struct Rerror {
188 struct v9fs_str error;
189 u32 errno; /* 9p2000.u extension */
190};
191
192struct Tflush {
193 u16 oldtag;
194};
195
196struct Rflush {
197};
198
199struct Tattach {
200 u32 fid;
201 u32 afid;
202 struct v9fs_str uname;
203 struct v9fs_str aname;
204};
205
206struct Rattach {
207 struct v9fs_qid qid;
208};
209
210struct Twalk {
211 u32 fid;
212 u32 newfid;
213 u16 nwname;
214 struct v9fs_str wnames[16];
215};
216
217struct Rwalk {
218 u16 nwqid;
219 struct v9fs_qid wqids[16];
220};
221
222struct Topen {
223 u32 fid;
224 u8 mode;
225};
226
227struct Ropen {
228 struct v9fs_qid qid;
229 u32 iounit;
230};
231
232struct Tcreate {
233 u32 fid;
234 struct v9fs_str name;
235 u32 perm;
236 u8 mode;
237 struct v9fs_str extension;
238};
239
240struct Rcreate {
241 struct v9fs_qid qid;
242 u32 iounit;
243};
244
245struct Tread {
246 u32 fid;
247 u64 offset;
248 u32 count;
249};
250
251struct Rread {
252 u32 count;
253 u8 *data;
254};
255
256struct Twrite {
257 u32 fid;
258 u64 offset;
259 u32 count;
260 u8 *data;
261};
262
263struct Rwrite {
264 u32 count;
265};
266
267struct Tclunk {
268 u32 fid;
269};
270
271struct Rclunk {
272};
273
274struct Tremove {
275 u32 fid;
276};
277
278struct Rremove {
279};
280
281struct Tstat {
282 u32 fid;
283};
284
285struct Rstat {
286 struct v9fs_stat stat;
287};
288
289struct Twstat {
290 u32 fid;
291 struct v9fs_stat stat;
292};
293
294struct Rwstat {
295};
296
297/*
298 * fcall is the primary packet structure
299 *
300 */
301
302struct v9fs_fcall {
303 u32 size;
304 u8 id;
305 u16 tag;
306 void *sdata;
307
308 union {
309 struct Tversion tversion;
310 struct Rversion rversion;
311 struct Tauth tauth;
312 struct Rauth rauth;
313 struct Rerror rerror;
314 struct Tflush tflush;
315 struct Rflush rflush;
316 struct Tattach tattach;
317 struct Rattach rattach;
318 struct Twalk twalk;
319 struct Rwalk rwalk;
320 struct Topen topen;
321 struct Ropen ropen;
322 struct Tcreate tcreate;
323 struct Rcreate rcreate;
324 struct Tread tread;
325 struct Rread rread;
326 struct Twrite twrite;
327 struct Rwrite rwrite;
328 struct Tclunk tclunk;
329 struct Rclunk rclunk;
330 struct Tremove tremove;
331 struct Rremove rremove;
332 struct Tstat tstat;
333 struct Rstat rstat;
334 struct Twstat twstat;
335 struct Rwstat rwstat;
336 } params;
337};
338
339#define PRINT_FCALL_ERROR(s, fcall) dprintk(DEBUG_ERROR, "%s: %.*s\n", s, \
340 fcall?fcall->params.rerror.error.len:0, \
341 fcall?fcall->params.rerror.error.str:"");
342
343int v9fs_t_version(struct v9fs_session_info *v9ses, u32 msize,
344 char *version, struct v9fs_fcall **rcall);
345
346int v9fs_t_attach(struct v9fs_session_info *v9ses, char *uname, char *aname,
347 u32 fid, u32 afid, struct v9fs_fcall **rcall);
348
349int v9fs_t_clunk(struct v9fs_session_info *v9ses, u32 fid);
350
351int v9fs_t_stat(struct v9fs_session_info *v9ses, u32 fid,
352 struct v9fs_fcall **rcall);
353
354int v9fs_t_wstat(struct v9fs_session_info *v9ses, u32 fid,
355 struct v9fs_wstat *wstat, struct v9fs_fcall **rcall);
356
357int v9fs_t_walk(struct v9fs_session_info *v9ses, u32 fid, u32 newfid,
358 char *name, struct v9fs_fcall **rcall);
359
360int v9fs_t_open(struct v9fs_session_info *v9ses, u32 fid, u8 mode,
361 struct v9fs_fcall **rcall);
362
363int v9fs_t_remove(struct v9fs_session_info *v9ses, u32 fid,
364 struct v9fs_fcall **rcall);
365
366int v9fs_t_create(struct v9fs_session_info *v9ses, u32 fid, char *name,
367 u32 perm, u8 mode, char *extension, struct v9fs_fcall **rcall);
368
369int v9fs_t_read(struct v9fs_session_info *v9ses, u32 fid,
370 u64 offset, u32 count, struct v9fs_fcall **rcall);
371
372int v9fs_t_write(struct v9fs_session_info *v9ses, u32 fid, u64 offset,
373 u32 count, const char __user * data,
374 struct v9fs_fcall **rcall);
375int v9fs_printfcall(char *, int, struct v9fs_fcall *, int);
generated by cgit v1.2.2 (git 2.25.0) at 2024-12-12 19:53:52 -0500