1 d3df3087 2003-12-06 devnull #include <u.h>
2 d3df3087 2003-12-06 devnull #include <libc.h>
3 d3df3087 2003-12-06 devnull #include <fcall.h>
7 d3df3087 2003-12-06 devnull pstring(uchar *p, char *s)
11 d3df3087 2003-12-06 devnull if(s == nil){
12 d3df3087 2003-12-06 devnull PBIT16(p, 0);
13 d3df3087 2003-12-06 devnull p += BIT16SZ;
14 d3df3087 2003-12-06 devnull return p;
17 d3df3087 2003-12-06 devnull n = strlen(s);
18 d3df3087 2003-12-06 devnull PBIT16(p, n);
19 d3df3087 2003-12-06 devnull p += BIT16SZ;
20 d3df3087 2003-12-06 devnull memmove(p, s, n);
22 d3df3087 2003-12-06 devnull return p;
27 d3df3087 2003-12-06 devnull pqid(uchar *p, Qid *q)
29 d3df3087 2003-12-06 devnull PBIT8(p, q->type);
30 d3df3087 2003-12-06 devnull p += BIT8SZ;
31 d3df3087 2003-12-06 devnull PBIT32(p, q->vers);
32 d3df3087 2003-12-06 devnull p += BIT32SZ;
33 d3df3087 2003-12-06 devnull PBIT64(p, q->path);
34 d3df3087 2003-12-06 devnull p += BIT64SZ;
35 d3df3087 2003-12-06 devnull return p;
40 d3df3087 2003-12-06 devnull stringsz(char *s)
42 d3df3087 2003-12-06 devnull if(s == nil)
43 d3df3087 2003-12-06 devnull return BIT16SZ;
45 d3df3087 2003-12-06 devnull return BIT16SZ+strlen(s);
49 d3df3087 2003-12-06 devnull sizeS2M(Fcall *f)
55 d3df3087 2003-12-06 devnull n += BIT32SZ; /* size */
56 d3df3087 2003-12-06 devnull n += BIT8SZ; /* type */
57 d3df3087 2003-12-06 devnull n += BIT16SZ; /* tag */
59 d3df3087 2003-12-06 devnull switch(f->type)
62 d3df3087 2003-12-06 devnull return 0;
64 d3df3087 2003-12-06 devnull case Tversion:
65 d3df3087 2003-12-06 devnull n += BIT32SZ;
66 d3df3087 2003-12-06 devnull n += stringsz(f->version);
69 d3df3087 2003-12-06 devnull case Tflush:
70 d3df3087 2003-12-06 devnull n += BIT16SZ;
73 d3df3087 2003-12-06 devnull case Tauth:
74 d3df3087 2003-12-06 devnull n += BIT32SZ;
75 d3df3087 2003-12-06 devnull n += stringsz(f->uname);
76 d3df3087 2003-12-06 devnull n += stringsz(f->aname);
79 d3df3087 2003-12-06 devnull case Tattach:
80 d3df3087 2003-12-06 devnull n += BIT32SZ;
81 d3df3087 2003-12-06 devnull n += BIT32SZ;
82 d3df3087 2003-12-06 devnull n += stringsz(f->uname);
83 d3df3087 2003-12-06 devnull n += stringsz(f->aname);
86 d3df3087 2003-12-06 devnull case Twalk:
87 d3df3087 2003-12-06 devnull n += BIT32SZ;
88 d3df3087 2003-12-06 devnull n += BIT32SZ;
89 d3df3087 2003-12-06 devnull n += BIT16SZ;
90 d3df3087 2003-12-06 devnull for(i=0; i<f->nwname; i++)
91 d3df3087 2003-12-06 devnull n += stringsz(f->wname[i]);
94 d3df3087 2003-12-06 devnull case Topen:
95 32f69c36 2003-12-11 devnull case Topenfd:
96 d3df3087 2003-12-06 devnull n += BIT32SZ;
97 d3df3087 2003-12-06 devnull n += BIT8SZ;
100 d3df3087 2003-12-06 devnull case Tcreate:
101 d3df3087 2003-12-06 devnull n += BIT32SZ;
102 d3df3087 2003-12-06 devnull n += stringsz(f->name);
103 d3df3087 2003-12-06 devnull n += BIT32SZ;
104 d3df3087 2003-12-06 devnull n += BIT8SZ;
107 d3df3087 2003-12-06 devnull case Tread:
108 d3df3087 2003-12-06 devnull n += BIT32SZ;
109 d3df3087 2003-12-06 devnull n += BIT64SZ;
110 d3df3087 2003-12-06 devnull n += BIT32SZ;
113 d3df3087 2003-12-06 devnull case Twrite:
114 d3df3087 2003-12-06 devnull n += BIT32SZ;
115 d3df3087 2003-12-06 devnull n += BIT64SZ;
116 d3df3087 2003-12-06 devnull n += BIT32SZ;
117 d3df3087 2003-12-06 devnull n += f->count;
120 d3df3087 2003-12-06 devnull case Tclunk:
121 d3df3087 2003-12-06 devnull case Tremove:
122 d3df3087 2003-12-06 devnull n += BIT32SZ;
125 d3df3087 2003-12-06 devnull case Tstat:
126 d3df3087 2003-12-06 devnull n += BIT32SZ;
129 d3df3087 2003-12-06 devnull case Twstat:
130 d3df3087 2003-12-06 devnull n += BIT32SZ;
131 d3df3087 2003-12-06 devnull n += BIT16SZ;
132 d3df3087 2003-12-06 devnull n += f->nstat;
137 d3df3087 2003-12-06 devnull case Rversion:
138 d3df3087 2003-12-06 devnull n += BIT32SZ;
139 d3df3087 2003-12-06 devnull n += stringsz(f->version);
142 d3df3087 2003-12-06 devnull case Rerror:
143 d3df3087 2003-12-06 devnull n += stringsz(f->ename);
146 d3df3087 2003-12-06 devnull case Rflush:
149 d3df3087 2003-12-06 devnull case Rauth:
150 d3df3087 2003-12-06 devnull n += QIDSZ;
153 d3df3087 2003-12-06 devnull case Rattach:
154 d3df3087 2003-12-06 devnull n += QIDSZ;
157 d3df3087 2003-12-06 devnull case Rwalk:
158 d3df3087 2003-12-06 devnull n += BIT16SZ;
159 d3df3087 2003-12-06 devnull n += f->nwqid*QIDSZ;
162 d3df3087 2003-12-06 devnull case Ropen:
163 d3df3087 2003-12-06 devnull case Rcreate:
164 d3df3087 2003-12-06 devnull n += QIDSZ;
165 d3df3087 2003-12-06 devnull n += BIT32SZ;
168 32f69c36 2003-12-11 devnull case Ropenfd:
169 32f69c36 2003-12-11 devnull n += QIDSZ;
170 32f69c36 2003-12-11 devnull n += BIT32SZ;
171 32f69c36 2003-12-11 devnull n += BIT32SZ;
174 d3df3087 2003-12-06 devnull case Rread:
175 d3df3087 2003-12-06 devnull n += BIT32SZ;
176 d3df3087 2003-12-06 devnull n += f->count;
179 d3df3087 2003-12-06 devnull case Rwrite:
180 d3df3087 2003-12-06 devnull n += BIT32SZ;
183 d3df3087 2003-12-06 devnull case Rclunk:
186 d3df3087 2003-12-06 devnull case Rremove:
189 d3df3087 2003-12-06 devnull case Rstat:
190 d3df3087 2003-12-06 devnull n += BIT16SZ;
191 d3df3087 2003-12-06 devnull n += f->nstat;
194 d3df3087 2003-12-06 devnull case Rwstat:
197 d3df3087 2003-12-06 devnull return n;
201 d3df3087 2003-12-06 devnull convS2M(Fcall *f, uchar *ap, uint nap)
203 d3df3087 2003-12-06 devnull uchar *p;
204 d3df3087 2003-12-06 devnull uint i, size;
206 d3df3087 2003-12-06 devnull size = sizeS2M(f);
207 d3df3087 2003-12-06 devnull if(size == 0)
208 d3df3087 2003-12-06 devnull return 0;
209 d3df3087 2003-12-06 devnull if(size > nap)
210 d3df3087 2003-12-06 devnull return 0;
212 d3df3087 2003-12-06 devnull p = (uchar*)ap;
214 d3df3087 2003-12-06 devnull PBIT32(p, size);
215 d3df3087 2003-12-06 devnull p += BIT32SZ;
216 d3df3087 2003-12-06 devnull PBIT8(p, f->type);
217 d3df3087 2003-12-06 devnull p += BIT8SZ;
218 d3df3087 2003-12-06 devnull PBIT16(p, f->tag);
219 d3df3087 2003-12-06 devnull p += BIT16SZ;
221 d3df3087 2003-12-06 devnull switch(f->type)
223 d3df3087 2003-12-06 devnull default:
224 d3df3087 2003-12-06 devnull return 0;
226 d3df3087 2003-12-06 devnull case Tversion:
227 d3df3087 2003-12-06 devnull PBIT32(p, f->msize);
228 d3df3087 2003-12-06 devnull p += BIT32SZ;
229 d3df3087 2003-12-06 devnull p = pstring(p, f->version);
232 d3df3087 2003-12-06 devnull case Tflush:
233 d3df3087 2003-12-06 devnull PBIT16(p, f->oldtag);
234 d3df3087 2003-12-06 devnull p += BIT16SZ;
237 d3df3087 2003-12-06 devnull case Tauth:
238 d3df3087 2003-12-06 devnull PBIT32(p, f->afid);
239 d3df3087 2003-12-06 devnull p += BIT32SZ;
240 d3df3087 2003-12-06 devnull p = pstring(p, f->uname);
241 d3df3087 2003-12-06 devnull p = pstring(p, f->aname);
244 d3df3087 2003-12-06 devnull case Tattach:
245 d3df3087 2003-12-06 devnull PBIT32(p, f->fid);
246 d3df3087 2003-12-06 devnull p += BIT32SZ;
247 d3df3087 2003-12-06 devnull PBIT32(p, f->afid);
248 d3df3087 2003-12-06 devnull p += BIT32SZ;
249 d3df3087 2003-12-06 devnull p = pstring(p, f->uname);
250 d3df3087 2003-12-06 devnull p = pstring(p, f->aname);
253 d3df3087 2003-12-06 devnull case Twalk:
254 d3df3087 2003-12-06 devnull PBIT32(p, f->fid);
255 d3df3087 2003-12-06 devnull p += BIT32SZ;
256 d3df3087 2003-12-06 devnull PBIT32(p, f->newfid);
257 d3df3087 2003-12-06 devnull p += BIT32SZ;
258 d3df3087 2003-12-06 devnull PBIT16(p, f->nwname);
259 d3df3087 2003-12-06 devnull p += BIT16SZ;
260 d3df3087 2003-12-06 devnull if(f->nwname > MAXWELEM)
261 d3df3087 2003-12-06 devnull return 0;
262 d3df3087 2003-12-06 devnull for(i=0; i<f->nwname; i++)
263 d3df3087 2003-12-06 devnull p = pstring(p, f->wname[i]);
266 d3df3087 2003-12-06 devnull case Topen:
267 32f69c36 2003-12-11 devnull case Topenfd:
268 d3df3087 2003-12-06 devnull PBIT32(p, f->fid);
269 d3df3087 2003-12-06 devnull p += BIT32SZ;
270 d3df3087 2003-12-06 devnull PBIT8(p, f->mode);
271 d3df3087 2003-12-06 devnull p += BIT8SZ;
274 d3df3087 2003-12-06 devnull case Tcreate:
275 d3df3087 2003-12-06 devnull PBIT32(p, f->fid);
276 d3df3087 2003-12-06 devnull p += BIT32SZ;
277 d3df3087 2003-12-06 devnull p = pstring(p, f->name);
278 d3df3087 2003-12-06 devnull PBIT32(p, f->perm);
279 d3df3087 2003-12-06 devnull p += BIT32SZ;
280 d3df3087 2003-12-06 devnull PBIT8(p, f->mode);
281 d3df3087 2003-12-06 devnull p += BIT8SZ;
284 d3df3087 2003-12-06 devnull case Tread:
285 d3df3087 2003-12-06 devnull PBIT32(p, f->fid);
286 d3df3087 2003-12-06 devnull p += BIT32SZ;
287 d3df3087 2003-12-06 devnull PBIT64(p, f->offset);
288 d3df3087 2003-12-06 devnull p += BIT64SZ;
289 d3df3087 2003-12-06 devnull PBIT32(p, f->count);
290 d3df3087 2003-12-06 devnull p += BIT32SZ;
293 d3df3087 2003-12-06 devnull case Twrite:
294 d3df3087 2003-12-06 devnull PBIT32(p, f->fid);
295 d3df3087 2003-12-06 devnull p += BIT32SZ;
296 d3df3087 2003-12-06 devnull PBIT64(p, f->offset);
297 d3df3087 2003-12-06 devnull p += BIT64SZ;
298 d3df3087 2003-12-06 devnull PBIT32(p, f->count);
299 d3df3087 2003-12-06 devnull p += BIT32SZ;
300 d3df3087 2003-12-06 devnull memmove(p, f->data, f->count);
301 d3df3087 2003-12-06 devnull p += f->count;
304 d3df3087 2003-12-06 devnull case Tclunk:
305 d3df3087 2003-12-06 devnull case Tremove:
306 d3df3087 2003-12-06 devnull PBIT32(p, f->fid);
307 d3df3087 2003-12-06 devnull p += BIT32SZ;
310 d3df3087 2003-12-06 devnull case Tstat:
311 d3df3087 2003-12-06 devnull PBIT32(p, f->fid);
312 d3df3087 2003-12-06 devnull p += BIT32SZ;
315 d3df3087 2003-12-06 devnull case Twstat:
316 d3df3087 2003-12-06 devnull PBIT32(p, f->fid);
317 d3df3087 2003-12-06 devnull p += BIT32SZ;
318 d3df3087 2003-12-06 devnull PBIT16(p, f->nstat);
319 d3df3087 2003-12-06 devnull p += BIT16SZ;
320 d3df3087 2003-12-06 devnull memmove(p, f->stat, f->nstat);
321 d3df3087 2003-12-06 devnull p += f->nstat;
326 d3df3087 2003-12-06 devnull case Rversion:
327 d3df3087 2003-12-06 devnull PBIT32(p, f->msize);
328 d3df3087 2003-12-06 devnull p += BIT32SZ;
329 d3df3087 2003-12-06 devnull p = pstring(p, f->version);
332 d3df3087 2003-12-06 devnull case Rerror:
333 d3df3087 2003-12-06 devnull p = pstring(p, f->ename);
336 d3df3087 2003-12-06 devnull case Rflush:
339 d3df3087 2003-12-06 devnull case Rauth:
340 d3df3087 2003-12-06 devnull p = pqid(p, &f->aqid);
343 d3df3087 2003-12-06 devnull case Rattach:
344 d3df3087 2003-12-06 devnull p = pqid(p, &f->qid);
347 d3df3087 2003-12-06 devnull case Rwalk:
348 d3df3087 2003-12-06 devnull PBIT16(p, f->nwqid);
349 d3df3087 2003-12-06 devnull p += BIT16SZ;
350 d3df3087 2003-12-06 devnull if(f->nwqid > MAXWELEM)
351 d3df3087 2003-12-06 devnull return 0;
352 d3df3087 2003-12-06 devnull for(i=0; i<f->nwqid; i++)
353 d3df3087 2003-12-06 devnull p = pqid(p, &f->wqid[i]);
356 d3df3087 2003-12-06 devnull case Ropen:
357 d3df3087 2003-12-06 devnull case Rcreate:
358 32f69c36 2003-12-11 devnull case Ropenfd:
359 d3df3087 2003-12-06 devnull p = pqid(p, &f->qid);
360 d3df3087 2003-12-06 devnull PBIT32(p, f->iounit);
361 d3df3087 2003-12-06 devnull p += BIT32SZ;
362 32f69c36 2003-12-11 devnull if(f->type == Ropenfd){
363 32f69c36 2003-12-11 devnull PBIT32(p, f->unixfd);
364 32f69c36 2003-12-11 devnull p += BIT32SZ;
368 d3df3087 2003-12-06 devnull case Rread:
369 d3df3087 2003-12-06 devnull PBIT32(p, f->count);
370 d3df3087 2003-12-06 devnull p += BIT32SZ;
371 d3df3087 2003-12-06 devnull memmove(p, f->data, f->count);
372 d3df3087 2003-12-06 devnull p += f->count;
375 d3df3087 2003-12-06 devnull case Rwrite:
376 d3df3087 2003-12-06 devnull PBIT32(p, f->count);
377 d3df3087 2003-12-06 devnull p += BIT32SZ;
380 d3df3087 2003-12-06 devnull case Rclunk:
383 d3df3087 2003-12-06 devnull case Rremove:
386 d3df3087 2003-12-06 devnull case Rstat:
387 d3df3087 2003-12-06 devnull PBIT16(p, f->nstat);
388 d3df3087 2003-12-06 devnull p += BIT16SZ;
389 d3df3087 2003-12-06 devnull memmove(p, f->stat, f->nstat);
390 d3df3087 2003-12-06 devnull p += f->nstat;
393 d3df3087 2003-12-06 devnull case Rwstat:
396 d3df3087 2003-12-06 devnull if(size != p-ap)
397 d3df3087 2003-12-06 devnull return 0;
398 d3df3087 2003-12-06 devnull return size;