dispatcher.c revision 1.29 1 1.29 pooka /* $NetBSD: dispatcher.c,v 1.29 2008/01/16 23:17:43 pooka Exp $ */
2 1.1 pooka
3 1.1 pooka /*
4 1.2 pooka * Copyright (c) 2006, 2007 Antti Kantee. All Rights Reserved.
5 1.1 pooka *
6 1.1 pooka * Development of this software was supported by the
7 1.18 pooka * Ulla Tuominen Foundation and the Finnish Cultural Foundation.
8 1.1 pooka *
9 1.1 pooka * Redistribution and use in source and binary forms, with or without
10 1.1 pooka * modification, are permitted provided that the following conditions
11 1.1 pooka * are met:
12 1.1 pooka * 1. Redistributions of source code must retain the above copyright
13 1.1 pooka * notice, this list of conditions and the following disclaimer.
14 1.1 pooka * 2. Redistributions in binary form must reproduce the above copyright
15 1.1 pooka * notice, this list of conditions and the following disclaimer in the
16 1.1 pooka * documentation and/or other materials provided with the distribution.
17 1.1 pooka *
18 1.1 pooka * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS
19 1.1 pooka * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
20 1.1 pooka * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
21 1.1 pooka * DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
22 1.1 pooka * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
23 1.1 pooka * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
24 1.1 pooka * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
25 1.1 pooka * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
26 1.1 pooka * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
27 1.1 pooka * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
28 1.1 pooka * SUCH DAMAGE.
29 1.1 pooka */
30 1.1 pooka
31 1.1 pooka #include <sys/cdefs.h>
32 1.1 pooka #if !defined(lint)
33 1.29 pooka __RCSID("$NetBSD: dispatcher.c,v 1.29 2008/01/16 23:17:43 pooka Exp $");
34 1.1 pooka #endif /* !lint */
35 1.1 pooka
36 1.1 pooka #include <sys/types.h>
37 1.4 pooka #include <sys/poll.h>
38 1.1 pooka
39 1.1 pooka #include <assert.h>
40 1.1 pooka #include <errno.h>
41 1.17 pooka #ifdef PUFFS_WITH_THREADS
42 1.17 pooka #include <pthread.h>
43 1.17 pooka #endif
44 1.1 pooka #include <puffs.h>
45 1.1 pooka #include <puffsdump.h>
46 1.1 pooka #include <stdio.h>
47 1.1 pooka #include <stdlib.h>
48 1.1 pooka #include <unistd.h>
49 1.1 pooka
50 1.1 pooka #include "puffs_priv.h"
51 1.1 pooka
52 1.27 pooka static void processresult(struct puffs_usermount *, int);
53 1.3 pooka
54 1.1 pooka /*
55 1.1 pooka * Set the following to 1 to not handle each request on a separate
56 1.1 pooka * stack. This is highly volatile kludge, therefore no external
57 1.1 pooka * interface.
58 1.1 pooka */
59 1.1 pooka int puffs_fakecc;
60 1.1 pooka
61 1.17 pooka /*
62 1.17 pooka * Set the following to 1 to handle each request in a separate pthread.
63 1.17 pooka * This is not exported as it should not be used yet unless having a
64 1.17 pooka * very good knowledge of what you're signing up for (libpuffs is not
65 1.17 pooka * threadsafe).
66 1.17 pooka */
67 1.17 pooka int puffs_usethreads;
68 1.17 pooka
69 1.17 pooka static int
70 1.25 pooka dopufbuf2(struct puffs_usermount *pu, struct puffs_framebuf *pb)
71 1.17 pooka {
72 1.25 pooka struct puffs_req *preq = puffs__framebuf_getdataptr(pb);
73 1.17 pooka struct puffs_cc *pcc;
74 1.17 pooka int type;
75 1.17 pooka
76 1.17 pooka if (puffs_fakecc) {
77 1.17 pooka type = PCC_FAKECC;
78 1.17 pooka } else if (puffs_usethreads) {
79 1.17 pooka type = PCC_THREADED;
80 1.17 pooka #ifndef PUFFS_WITH_THREADS
81 1.17 pooka type = PCC_FAKECC;
82 1.17 pooka #endif
83 1.17 pooka } else {
84 1.17 pooka type = PCC_REALCC;
85 1.17 pooka }
86 1.17 pooka
87 1.25 pooka if (puffs_cc_create(pu, pb, type, &pcc) == -1)
88 1.17 pooka return errno;
89 1.17 pooka
90 1.17 pooka puffs_cc_setcaller(pcc, preq->preq_pid, preq->preq_lid);
91 1.17 pooka
92 1.17 pooka #ifdef PUFFS_WITH_THREADS
93 1.17 pooka if (puffs_usethreads) {
94 1.17 pooka pthread_attr_t pattr;
95 1.17 pooka pthread_t ptid;
96 1.17 pooka int rv;
97 1.17 pooka
98 1.17 pooka pthread_attr_init(&pattr);
99 1.17 pooka pthread_attr_setdetachstate(&pattr, PTHREAD_CREATE_DETACHED);
100 1.21 pooka pthread_attr_destroy(&pattr);
101 1.17 pooka
102 1.17 pooka ap->pwa_pcc = pcc;
103 1.17 pooka
104 1.25 pooka rv = pthread_create(&ptid, &pattr, puffs_docc, pcc);
105 1.17 pooka
106 1.17 pooka return rv;
107 1.17 pooka }
108 1.17 pooka #endif
109 1.25 pooka puffs_docc(pcc);
110 1.17 pooka return 0;
111 1.17 pooka }
112 1.17 pooka
113 1.25 pooka /*
114 1.25 pooka * User-visible point to handle a request from.
115 1.25 pooka *
116 1.25 pooka * <insert text here>
117 1.25 pooka */
118 1.1 pooka int
119 1.25 pooka puffs_dopufbuf(struct puffs_usermount *pu, struct puffs_framebuf *pb)
120 1.1 pooka {
121 1.25 pooka struct puffs_req *preq = puffs__framebuf_getdataptr(pb);
122 1.1 pooka
123 1.1 pooka /*
124 1.1 pooka * XXX: the structure is currently a mess. anyway, trap
125 1.1 pooka * the cacheops here already, since they don't need a cc.
126 1.1 pooka * I really should get around to revamping the operation
127 1.1 pooka * dispatching code one of these days.
128 1.12 pooka *
129 1.12 pooka * Do the same for error notifications.
130 1.1 pooka */
131 1.1 pooka if (PUFFSOP_OPCLASS(preq->preq_opclass) == PUFFSOP_CACHE) {
132 1.1 pooka struct puffs_cacheinfo *pci = (void *)preq;
133 1.1 pooka
134 1.1 pooka if (pu->pu_ops.puffs_cache_write == NULL)
135 1.1 pooka return 0;
136 1.1 pooka
137 1.1 pooka pu->pu_ops.puffs_cache_write(pu, preq->preq_cookie,
138 1.1 pooka pci->pcache_nruns, pci->pcache_runs);
139 1.12 pooka return 0;
140 1.12 pooka } else if (PUFFSOP_OPCLASS(preq->preq_opclass) == PUFFSOP_ERROR) {
141 1.12 pooka struct puffs_error *perr = (void *)preq;
142 1.12 pooka
143 1.12 pooka pu->pu_errnotify(pu, preq->preq_optype,
144 1.13 pooka perr->perr_error, perr->perr_str, preq->preq_cookie);
145 1.12 pooka return 0;
146 1.1 pooka }
147 1.1 pooka
148 1.1 pooka if (pu->pu_flags & PUFFS_FLAG_OPDUMP)
149 1.1 pooka puffsdump_req(preq);
150 1.1 pooka
151 1.29 pooka #if 0
152 1.29 pooka XXX: we can't trust to hide preq in pufbuf
153 1.29 pooka
154 1.29 pooka struct puffs_executor *pex;
155 1.17 pooka /*
156 1.17 pooka * Check if we are already processing an operation from the same
157 1.17 pooka * caller. If so, queue this operation until the previous one
158 1.17 pooka * finishes. This prevents us from executing certain operations
159 1.17 pooka * out-of-order (e.g. fsync and reclaim).
160 1.17 pooka *
161 1.18 pooka * Each preq will only remove its own pex from the tailq.
162 1.18 pooka * See puffs_docc() for the details on other-end removal
163 1.17 pooka * and dispatching.
164 1.17 pooka */
165 1.17 pooka pex = malloc(sizeof(struct puffs_executor));
166 1.25 pooka pex->pex_pufbuf = pb;
167 1.19 pooka PU_LOCK();
168 1.17 pooka TAILQ_INSERT_TAIL(&pu->pu_exq, pex, pex_entries);
169 1.17 pooka TAILQ_FOREACH(pex, &pu->pu_exq, pex_entries) {
170 1.25 pooka struct puffs_req *pb_preq;
171 1.25 pooka
172 1.25 pooka pb_preq = puffs__framebuf_getdataptr(pex->pex_pufbuf);
173 1.25 pooka if (pb_preq->preq_pid == preq->preq_pid
174 1.25 pooka && pb_preq->preq_lid == preq->preq_lid) {
175 1.25 pooka if (pb_preq != preq) {
176 1.19 pooka PU_UNLOCK();
177 1.17 pooka return 0;
178 1.17 pooka }
179 1.17 pooka }
180 1.1 pooka }
181 1.19 pooka PU_UNLOCK();
182 1.29 pooka #endif
183 1.1 pooka
184 1.25 pooka return dopufbuf2(pu, pb);
185 1.1 pooka }
186 1.1 pooka
187 1.1 pooka enum {PUFFCALL_ANSWER, PUFFCALL_IGNORE, PUFFCALL_AGAIN};
188 1.1 pooka
189 1.25 pooka void *
190 1.25 pooka puffs_docc(void *arg)
191 1.1 pooka {
192 1.25 pooka struct puffs_cc *pcc = arg;
193 1.1 pooka struct puffs_usermount *pu = pcc->pcc_pu;
194 1.17 pooka struct puffs_req *preq;
195 1.3 pooka struct puffs_cc *pcc_iter;
196 1.1 pooka
197 1.1 pooka assert((pcc->pcc_flags & PCC_DONE) == 0);
198 1.1 pooka
199 1.1 pooka if (pcc->pcc_flags & PCC_REALCC)
200 1.1 pooka puffs_cc_continue(pcc);
201 1.1 pooka else
202 1.1 pooka puffs_calldispatcher(pcc);
203 1.1 pooka
204 1.25 pooka if ((pcc->pcc_flags & PCC_DONE) == 0) {
205 1.25 pooka assert(pcc->pcc_flags & PCC_REALCC);
206 1.25 pooka return NULL;
207 1.25 pooka }
208 1.25 pooka
209 1.29 pooka preq = puffs__framebuf_getdataptr(pcc->pcc_pb);
210 1.29 pooka #if 0
211 1.29 pooka XXX: see above, needs more thought
212 1.29 pooka
213 1.29 pooka struct puffs_executor *pex, *pex_n;
214 1.29 pooka int found;
215 1.17 pooka /* check if we need to schedule FAFs which were stalled */
216 1.17 pooka found = 0;
217 1.19 pooka PU_LOCK();
218 1.19 pooka for (pex = TAILQ_FIRST(&pu->pu_exq); pex; pex = pex_n) {
219 1.25 pooka struct puffs_req *pb_preq;
220 1.25 pooka
221 1.25 pooka pb_preq = puffs__framebuf_getdataptr(pex->pex_pufbuf);
222 1.19 pooka pex_n = TAILQ_NEXT(pex, pex_entries);
223 1.25 pooka if (pb_preq->preq_pid == preq->preq_pid
224 1.25 pooka && pb_preq->preq_lid == preq->preq_lid) {
225 1.17 pooka if (found == 0) {
226 1.17 pooka /* this is us */
227 1.25 pooka assert(pb_preq == preq);
228 1.17 pooka TAILQ_REMOVE(&pu->pu_exq, pex, pex_entries);
229 1.17 pooka free(pex);
230 1.17 pooka found = 1;
231 1.17 pooka } else {
232 1.17 pooka /* down at the mardi gras */
233 1.20 pooka PU_UNLOCK();
234 1.25 pooka dopufbuf2(pu, pex->pex_pufbuf);
235 1.20 pooka PU_LOCK();
236 1.17 pooka break;
237 1.17 pooka }
238 1.17 pooka }
239 1.17 pooka }
240 1.29 pooka #endif
241 1.17 pooka
242 1.25 pooka if (!PUFFSOP_WANTREPLY(preq->preq_opclass))
243 1.25 pooka puffs_framebuf_destroy(pcc->pcc_pb);
244 1.25 pooka
245 1.3 pooka /* can't do this above due to PCC_BORROWED */
246 1.3 pooka while ((pcc_iter = LIST_FIRST(&pu->pu_ccnukelst)) != NULL) {
247 1.28 pooka LIST_REMOVE(pcc_iter, pcc_rope);
248 1.3 pooka puffs_cc_destroy(pcc_iter);
249 1.1 pooka }
250 1.19 pooka PU_UNLOCK();
251 1.25 pooka
252 1.25 pooka return NULL;
253 1.1 pooka }
254 1.1 pooka
255 1.1 pooka /* library private, but linked from callcontext.c */
256 1.1 pooka
257 1.1 pooka void
258 1.1 pooka puffs_calldispatcher(struct puffs_cc *pcc)
259 1.1 pooka {
260 1.1 pooka struct puffs_usermount *pu = pcc->pcc_pu;
261 1.1 pooka struct puffs_ops *pops = &pu->pu_ops;
262 1.25 pooka struct puffs_req *preq = puffs__framebuf_getdataptr(pcc->pcc_pb);
263 1.1 pooka void *auxbuf = preq; /* help with typecasting */
264 1.1 pooka void *opcookie = preq->preq_cookie;
265 1.1 pooka int error, rv, buildpath;
266 1.1 pooka
267 1.17 pooka assert(pcc->pcc_flags & (PCC_FAKECC | PCC_REALCC | PCC_THREADED));
268 1.23 pooka assert(pcc == puffs_cc_getcc(pu)); /* remove me soon */
269 1.1 pooka
270 1.1 pooka if (PUFFSOP_WANTREPLY(preq->preq_opclass))
271 1.1 pooka rv = PUFFCALL_ANSWER;
272 1.1 pooka else
273 1.1 pooka rv = PUFFCALL_IGNORE;
274 1.1 pooka
275 1.1 pooka buildpath = pu->pu_flags & PUFFS_FLAG_BUILDPATH;
276 1.1 pooka preq->preq_setbacks = 0;
277 1.1 pooka
278 1.18 pooka if (pu->pu_oppre)
279 1.24 pooka pu->pu_oppre(pu);
280 1.18 pooka
281 1.1 pooka if (PUFFSOP_OPCLASS(preq->preq_opclass) == PUFFSOP_VFS) {
282 1.1 pooka switch (preq->preq_optype) {
283 1.1 pooka case PUFFS_VFS_UNMOUNT:
284 1.1 pooka {
285 1.15 pooka struct puffs_vfsmsg_unmount *auxt = auxbuf;
286 1.1 pooka
287 1.1 pooka PU_SETSTATE(pu, PUFFS_STATE_UNMOUNTING);
288 1.24 pooka error = pops->puffs_fs_unmount(pu, auxt->pvfsr_flags);
289 1.1 pooka if (!error)
290 1.1 pooka PU_SETSTATE(pu, PUFFS_STATE_UNMOUNTED);
291 1.1 pooka else
292 1.1 pooka PU_SETSTATE(pu, PUFFS_STATE_RUNNING);
293 1.1 pooka break;
294 1.1 pooka }
295 1.1 pooka
296 1.1 pooka case PUFFS_VFS_STATVFS:
297 1.1 pooka {
298 1.15 pooka struct puffs_vfsmsg_statvfs *auxt = auxbuf;
299 1.1 pooka
300 1.24 pooka error = pops->puffs_fs_statvfs(pu, &auxt->pvfsr_sb);
301 1.1 pooka break;
302 1.1 pooka }
303 1.1 pooka
304 1.1 pooka case PUFFS_VFS_SYNC:
305 1.1 pooka {
306 1.15 pooka struct puffs_vfsmsg_sync *auxt = auxbuf;
307 1.7 pooka PUFFS_MAKECRED(pcr, &auxt->pvfsr_cred);
308 1.1 pooka
309 1.24 pooka error = pops->puffs_fs_sync(pu,
310 1.22 pooka auxt->pvfsr_waitfor, pcr);
311 1.1 pooka break;
312 1.1 pooka }
313 1.1 pooka
314 1.1 pooka case PUFFS_VFS_FHTOVP:
315 1.1 pooka {
316 1.15 pooka struct puffs_vfsmsg_fhtonode *auxt = auxbuf;
317 1.9 pooka struct puffs_newinfo pni;
318 1.9 pooka
319 1.9 pooka pni.pni_cookie = &auxt->pvfsr_fhcookie;
320 1.9 pooka pni.pni_vtype = &auxt->pvfsr_vtype;
321 1.9 pooka pni.pni_size = &auxt->pvfsr_size;
322 1.9 pooka pni.pni_rdev = &auxt->pvfsr_rdev;
323 1.1 pooka
324 1.24 pooka error = pops->puffs_fs_fhtonode(pu, auxt->pvfsr_data,
325 1.9 pooka auxt->pvfsr_dsize, &pni);
326 1.1 pooka
327 1.1 pooka break;
328 1.1 pooka }
329 1.1 pooka
330 1.1 pooka case PUFFS_VFS_VPTOFH:
331 1.1 pooka {
332 1.15 pooka struct puffs_vfsmsg_nodetofh *auxt = auxbuf;
333 1.1 pooka
334 1.24 pooka error = pops->puffs_fs_nodetofh(pu,
335 1.1 pooka auxt->pvfsr_fhcookie, auxt->pvfsr_data,
336 1.1 pooka &auxt->pvfsr_dsize);
337 1.1 pooka
338 1.1 pooka break;
339 1.1 pooka }
340 1.1 pooka
341 1.1 pooka case PUFFS_VFS_SUSPEND:
342 1.1 pooka {
343 1.15 pooka struct puffs_vfsmsg_suspend *auxt = auxbuf;
344 1.1 pooka
345 1.1 pooka error = 0;
346 1.1 pooka if (pops->puffs_fs_suspend == NULL)
347 1.1 pooka break;
348 1.1 pooka
349 1.24 pooka pops->puffs_fs_suspend(pu, auxt->pvfsr_status);
350 1.1 pooka break;
351 1.1 pooka }
352 1.1 pooka
353 1.1 pooka default:
354 1.1 pooka /*
355 1.1 pooka * I guess the kernel sees this one coming
356 1.1 pooka */
357 1.1 pooka error = EINVAL;
358 1.1 pooka break;
359 1.1 pooka }
360 1.1 pooka
361 1.1 pooka /* XXX: audit return values */
362 1.1 pooka /* XXX: sync with kernel */
363 1.1 pooka } else if (PUFFSOP_OPCLASS(preq->preq_opclass) == PUFFSOP_VN) {
364 1.1 pooka switch (preq->preq_optype) {
365 1.1 pooka case PUFFS_VN_LOOKUP:
366 1.1 pooka {
367 1.15 pooka struct puffs_vnmsg_lookup *auxt = auxbuf;
368 1.9 pooka struct puffs_newinfo pni;
369 1.1 pooka struct puffs_cn pcn;
370 1.1 pooka
371 1.1 pooka pcn.pcn_pkcnp = &auxt->pvnr_cn;
372 1.7 pooka PUFFS_KCREDTOCRED(pcn.pcn_cred, &auxt->pvnr_cn_cred);
373 1.9 pooka pni.pni_cookie = &auxt->pvnr_newnode;
374 1.9 pooka pni.pni_vtype = &auxt->pvnr_vtype;
375 1.9 pooka pni.pni_size = &auxt->pvnr_size;
376 1.9 pooka pni.pni_rdev = &auxt->pvnr_rdev;
377 1.7 pooka
378 1.1 pooka if (buildpath) {
379 1.1 pooka error = puffs_path_pcnbuild(pu, &pcn, opcookie);
380 1.1 pooka if (error)
381 1.1 pooka break;
382 1.1 pooka }
383 1.1 pooka
384 1.1 pooka /* lookup *must* be present */
385 1.24 pooka error = pops->puffs_node_lookup(pu, opcookie,
386 1.9 pooka &pni, &pcn);
387 1.1 pooka
388 1.1 pooka if (buildpath) {
389 1.1 pooka if (error) {
390 1.1 pooka pu->pu_pathfree(pu, &pcn.pcn_po_full);
391 1.1 pooka } else {
392 1.1 pooka struct puffs_node *pn;
393 1.1 pooka
394 1.1 pooka /*
395 1.1 pooka * did we get a new node or a
396 1.1 pooka * recycled node?
397 1.1 pooka */
398 1.1 pooka pn = PU_CMAP(pu, auxt->pvnr_newnode);
399 1.1 pooka if (pn->pn_po.po_path == NULL)
400 1.1 pooka pn->pn_po = pcn.pcn_po_full;
401 1.1 pooka else
402 1.1 pooka pu->pu_pathfree(pu,
403 1.1 pooka &pcn.pcn_po_full);
404 1.1 pooka }
405 1.1 pooka }
406 1.1 pooka
407 1.1 pooka break;
408 1.1 pooka }
409 1.1 pooka
410 1.1 pooka case PUFFS_VN_CREATE:
411 1.1 pooka {
412 1.15 pooka struct puffs_vnmsg_create *auxt = auxbuf;
413 1.9 pooka struct puffs_newinfo pni;
414 1.1 pooka struct puffs_cn pcn;
415 1.9 pooka
416 1.1 pooka if (pops->puffs_node_create == NULL) {
417 1.1 pooka error = 0;
418 1.1 pooka break;
419 1.1 pooka }
420 1.1 pooka
421 1.1 pooka pcn.pcn_pkcnp = &auxt->pvnr_cn;
422 1.7 pooka PUFFS_KCREDTOCRED(pcn.pcn_cred, &auxt->pvnr_cn_cred);
423 1.7 pooka
424 1.9 pooka memset(&pni, 0, sizeof(pni));
425 1.9 pooka pni.pni_cookie = &auxt->pvnr_newnode;
426 1.9 pooka
427 1.1 pooka if (buildpath) {
428 1.1 pooka error = puffs_path_pcnbuild(pu, &pcn, opcookie);
429 1.1 pooka if (error)
430 1.1 pooka break;
431 1.1 pooka }
432 1.1 pooka
433 1.24 pooka error = pops->puffs_node_create(pu,
434 1.9 pooka opcookie, &pni, &pcn, &auxt->pvnr_va);
435 1.1 pooka
436 1.1 pooka if (buildpath) {
437 1.1 pooka if (error) {
438 1.1 pooka pu->pu_pathfree(pu, &pcn.pcn_po_full);
439 1.1 pooka } else {
440 1.1 pooka struct puffs_node *pn;
441 1.1 pooka
442 1.1 pooka pn = PU_CMAP(pu, auxt->pvnr_newnode);
443 1.1 pooka pn->pn_po = pcn.pcn_po_full;
444 1.1 pooka }
445 1.1 pooka }
446 1.1 pooka
447 1.1 pooka break;
448 1.1 pooka }
449 1.1 pooka
450 1.1 pooka case PUFFS_VN_MKNOD:
451 1.1 pooka {
452 1.15 pooka struct puffs_vnmsg_mknod *auxt = auxbuf;
453 1.9 pooka struct puffs_newinfo pni;
454 1.1 pooka struct puffs_cn pcn;
455 1.9 pooka
456 1.1 pooka if (pops->puffs_node_mknod == NULL) {
457 1.1 pooka error = 0;
458 1.1 pooka break;
459 1.1 pooka }
460 1.1 pooka
461 1.1 pooka pcn.pcn_pkcnp = &auxt->pvnr_cn;
462 1.7 pooka PUFFS_KCREDTOCRED(pcn.pcn_cred, &auxt->pvnr_cn_cred);
463 1.7 pooka
464 1.9 pooka memset(&pni, 0, sizeof(pni));
465 1.9 pooka pni.pni_cookie = &auxt->pvnr_newnode;
466 1.9 pooka
467 1.1 pooka if (buildpath) {
468 1.1 pooka error = puffs_path_pcnbuild(pu, &pcn, opcookie);
469 1.1 pooka if (error)
470 1.1 pooka break;
471 1.1 pooka }
472 1.1 pooka
473 1.24 pooka error = pops->puffs_node_mknod(pu,
474 1.9 pooka opcookie, &pni, &pcn, &auxt->pvnr_va);
475 1.1 pooka
476 1.1 pooka if (buildpath) {
477 1.1 pooka if (error) {
478 1.1 pooka pu->pu_pathfree(pu, &pcn.pcn_po_full);
479 1.1 pooka } else {
480 1.1 pooka struct puffs_node *pn;
481 1.1 pooka
482 1.1 pooka pn = PU_CMAP(pu, auxt->pvnr_newnode);
483 1.1 pooka pn->pn_po = pcn.pcn_po_full;
484 1.1 pooka }
485 1.1 pooka }
486 1.1 pooka
487 1.1 pooka break;
488 1.1 pooka }
489 1.1 pooka
490 1.1 pooka case PUFFS_VN_OPEN:
491 1.1 pooka {
492 1.15 pooka struct puffs_vnmsg_open *auxt = auxbuf;
493 1.7 pooka PUFFS_MAKECRED(pcr, &auxt->pvnr_cred);
494 1.7 pooka
495 1.1 pooka if (pops->puffs_node_open == NULL) {
496 1.1 pooka error = 0;
497 1.1 pooka break;
498 1.1 pooka }
499 1.1 pooka
500 1.24 pooka error = pops->puffs_node_open(pu,
501 1.22 pooka opcookie, auxt->pvnr_mode, pcr);
502 1.1 pooka break;
503 1.1 pooka }
504 1.1 pooka
505 1.1 pooka case PUFFS_VN_CLOSE:
506 1.1 pooka {
507 1.15 pooka struct puffs_vnmsg_close *auxt = auxbuf;
508 1.7 pooka PUFFS_MAKECRED(pcr, &auxt->pvnr_cred);
509 1.7 pooka
510 1.1 pooka if (pops->puffs_node_close == NULL) {
511 1.1 pooka error = 0;
512 1.1 pooka break;
513 1.1 pooka }
514 1.1 pooka
515 1.24 pooka error = pops->puffs_node_close(pu,
516 1.22 pooka opcookie, auxt->pvnr_fflag, pcr);
517 1.1 pooka break;
518 1.1 pooka }
519 1.1 pooka
520 1.1 pooka case PUFFS_VN_ACCESS:
521 1.1 pooka {
522 1.15 pooka struct puffs_vnmsg_access *auxt = auxbuf;
523 1.7 pooka PUFFS_MAKECRED(pcr, &auxt->pvnr_cred);
524 1.7 pooka
525 1.1 pooka if (pops->puffs_node_access == NULL) {
526 1.1 pooka error = 0;
527 1.1 pooka break;
528 1.1 pooka }
529 1.1 pooka
530 1.24 pooka error = pops->puffs_node_access(pu,
531 1.22 pooka opcookie, auxt->pvnr_mode, pcr);
532 1.1 pooka break;
533 1.1 pooka }
534 1.1 pooka
535 1.1 pooka case PUFFS_VN_GETATTR:
536 1.1 pooka {
537 1.15 pooka struct puffs_vnmsg_getattr *auxt = auxbuf;
538 1.7 pooka PUFFS_MAKECRED(pcr, &auxt->pvnr_cred);
539 1.7 pooka
540 1.1 pooka if (pops->puffs_node_getattr == NULL) {
541 1.1 pooka error = EOPNOTSUPP;
542 1.1 pooka break;
543 1.1 pooka }
544 1.1 pooka
545 1.24 pooka error = pops->puffs_node_getattr(pu,
546 1.22 pooka opcookie, &auxt->pvnr_va, pcr);
547 1.1 pooka break;
548 1.1 pooka }
549 1.1 pooka
550 1.1 pooka case PUFFS_VN_SETATTR:
551 1.1 pooka {
552 1.15 pooka struct puffs_vnmsg_setattr *auxt = auxbuf;
553 1.7 pooka PUFFS_MAKECRED(pcr, &auxt->pvnr_cred);
554 1.7 pooka
555 1.1 pooka if (pops->puffs_node_setattr == NULL) {
556 1.1 pooka error = EOPNOTSUPP;
557 1.1 pooka break;
558 1.1 pooka }
559 1.1 pooka
560 1.24 pooka error = pops->puffs_node_setattr(pu,
561 1.22 pooka opcookie, &auxt->pvnr_va, pcr);
562 1.1 pooka break;
563 1.1 pooka }
564 1.1 pooka
565 1.1 pooka case PUFFS_VN_MMAP:
566 1.1 pooka {
567 1.15 pooka struct puffs_vnmsg_mmap *auxt = auxbuf;
568 1.7 pooka PUFFS_MAKECRED(pcr, &auxt->pvnr_cred);
569 1.7 pooka
570 1.1 pooka if (pops->puffs_node_mmap == NULL) {
571 1.1 pooka error = 0;
572 1.1 pooka break;
573 1.1 pooka }
574 1.1 pooka
575 1.24 pooka error = pops->puffs_node_mmap(pu,
576 1.22 pooka opcookie, auxt->pvnr_prot, pcr);
577 1.1 pooka break;
578 1.1 pooka }
579 1.1 pooka
580 1.1 pooka case PUFFS_VN_FSYNC:
581 1.1 pooka {
582 1.15 pooka struct puffs_vnmsg_fsync *auxt = auxbuf;
583 1.7 pooka PUFFS_MAKECRED(pcr, &auxt->pvnr_cred);
584 1.7 pooka
585 1.1 pooka if (pops->puffs_node_fsync == NULL) {
586 1.1 pooka error = 0;
587 1.1 pooka break;
588 1.1 pooka }
589 1.1 pooka
590 1.24 pooka error = pops->puffs_node_fsync(pu, opcookie, pcr,
591 1.1 pooka auxt->pvnr_flags, auxt->pvnr_offlo,
592 1.22 pooka auxt->pvnr_offhi);
593 1.1 pooka break;
594 1.1 pooka }
595 1.1 pooka
596 1.1 pooka case PUFFS_VN_SEEK:
597 1.1 pooka {
598 1.15 pooka struct puffs_vnmsg_seek *auxt = auxbuf;
599 1.7 pooka PUFFS_MAKECRED(pcr, &auxt->pvnr_cred);
600 1.7 pooka
601 1.1 pooka if (pops->puffs_node_seek == NULL) {
602 1.1 pooka error = 0;
603 1.1 pooka break;
604 1.1 pooka }
605 1.1 pooka
606 1.24 pooka error = pops->puffs_node_seek(pu,
607 1.1 pooka opcookie, auxt->pvnr_oldoff,
608 1.7 pooka auxt->pvnr_newoff, pcr);
609 1.1 pooka break;
610 1.1 pooka }
611 1.1 pooka
612 1.1 pooka case PUFFS_VN_REMOVE:
613 1.1 pooka {
614 1.15 pooka struct puffs_vnmsg_remove *auxt = auxbuf;
615 1.1 pooka struct puffs_cn pcn;
616 1.1 pooka if (pops->puffs_node_remove == NULL) {
617 1.1 pooka error = 0;
618 1.1 pooka break;
619 1.1 pooka }
620 1.1 pooka
621 1.1 pooka pcn.pcn_pkcnp = &auxt->pvnr_cn;
622 1.7 pooka PUFFS_KCREDTOCRED(pcn.pcn_cred, &auxt->pvnr_cn_cred);
623 1.1 pooka
624 1.24 pooka error = pops->puffs_node_remove(pu,
625 1.1 pooka opcookie, auxt->pvnr_cookie_targ, &pcn);
626 1.1 pooka break;
627 1.1 pooka }
628 1.1 pooka
629 1.1 pooka case PUFFS_VN_LINK:
630 1.1 pooka {
631 1.15 pooka struct puffs_vnmsg_link *auxt = auxbuf;
632 1.1 pooka struct puffs_cn pcn;
633 1.1 pooka if (pops->puffs_node_link == NULL) {
634 1.1 pooka error = 0;
635 1.1 pooka break;
636 1.1 pooka }
637 1.1 pooka
638 1.1 pooka pcn.pcn_pkcnp = &auxt->pvnr_cn;
639 1.7 pooka PUFFS_KCREDTOCRED(pcn.pcn_cred, &auxt->pvnr_cn_cred);
640 1.7 pooka
641 1.1 pooka if (buildpath) {
642 1.1 pooka error = puffs_path_pcnbuild(pu, &pcn, opcookie);
643 1.1 pooka if (error)
644 1.1 pooka break;
645 1.1 pooka }
646 1.1 pooka
647 1.24 pooka error = pops->puffs_node_link(pu,
648 1.1 pooka opcookie, auxt->pvnr_cookie_targ, &pcn);
649 1.1 pooka if (buildpath)
650 1.1 pooka pu->pu_pathfree(pu, &pcn.pcn_po_full);
651 1.1 pooka
652 1.1 pooka break;
653 1.1 pooka }
654 1.1 pooka
655 1.1 pooka case PUFFS_VN_RENAME:
656 1.1 pooka {
657 1.15 pooka struct puffs_vnmsg_rename *auxt = auxbuf;
658 1.1 pooka struct puffs_cn pcn_src, pcn_targ;
659 1.1 pooka struct puffs_node *pn_src;
660 1.1 pooka
661 1.1 pooka if (pops->puffs_node_rename == NULL) {
662 1.1 pooka error = 0;
663 1.1 pooka break;
664 1.1 pooka }
665 1.1 pooka
666 1.1 pooka pcn_src.pcn_pkcnp = &auxt->pvnr_cn_src;
667 1.7 pooka PUFFS_KCREDTOCRED(pcn_src.pcn_cred,
668 1.7 pooka &auxt->pvnr_cn_src_cred);
669 1.8 pooka
670 1.1 pooka pcn_targ.pcn_pkcnp = &auxt->pvnr_cn_targ;
671 1.7 pooka PUFFS_KCREDTOCRED(pcn_targ.pcn_cred,
672 1.7 pooka &auxt->pvnr_cn_targ_cred);
673 1.7 pooka
674 1.1 pooka if (buildpath) {
675 1.1 pooka pn_src = auxt->pvnr_cookie_src;
676 1.1 pooka pcn_src.pcn_po_full = pn_src->pn_po;
677 1.1 pooka
678 1.1 pooka error = puffs_path_pcnbuild(pu, &pcn_targ,
679 1.1 pooka auxt->pvnr_cookie_targdir);
680 1.1 pooka if (error)
681 1.1 pooka break;
682 1.1 pooka }
683 1.1 pooka
684 1.24 pooka error = pops->puffs_node_rename(pu,
685 1.1 pooka opcookie, auxt->pvnr_cookie_src,
686 1.1 pooka &pcn_src, auxt->pvnr_cookie_targdir,
687 1.1 pooka auxt->pvnr_cookie_targ, &pcn_targ);
688 1.1 pooka
689 1.1 pooka if (buildpath) {
690 1.1 pooka if (error) {
691 1.1 pooka pu->pu_pathfree(pu,
692 1.1 pooka &pcn_targ.pcn_po_full);
693 1.1 pooka } else {
694 1.1 pooka struct puffs_pathinfo pi;
695 1.1 pooka struct puffs_pathobj po_old;
696 1.1 pooka
697 1.1 pooka /* handle this node */
698 1.1 pooka po_old = pn_src->pn_po;
699 1.1 pooka pn_src->pn_po = pcn_targ.pcn_po_full;
700 1.1 pooka
701 1.1 pooka if (pn_src->pn_va.va_type != VDIR) {
702 1.1 pooka pu->pu_pathfree(pu, &po_old);
703 1.1 pooka break;
704 1.1 pooka }
705 1.1 pooka
706 1.1 pooka /* handle all child nodes for DIRs */
707 1.1 pooka pi.pi_old = &pcn_src.pcn_po_full;
708 1.1 pooka pi.pi_new = &pcn_targ.pcn_po_full;
709 1.1 pooka
710 1.19 pooka PU_LOCK();
711 1.1 pooka if (puffs_pn_nodewalk(pu,
712 1.1 pooka puffs_path_prefixadj, &pi) != NULL)
713 1.1 pooka error = ENOMEM;
714 1.19 pooka PU_UNLOCK();
715 1.1 pooka pu->pu_pathfree(pu, &po_old);
716 1.1 pooka }
717 1.1 pooka }
718 1.1 pooka break;
719 1.1 pooka }
720 1.1 pooka
721 1.1 pooka case PUFFS_VN_MKDIR:
722 1.1 pooka {
723 1.15 pooka struct puffs_vnmsg_mkdir *auxt = auxbuf;
724 1.9 pooka struct puffs_newinfo pni;
725 1.1 pooka struct puffs_cn pcn;
726 1.9 pooka
727 1.1 pooka if (pops->puffs_node_mkdir == NULL) {
728 1.1 pooka error = 0;
729 1.1 pooka break;
730 1.1 pooka }
731 1.1 pooka
732 1.1 pooka pcn.pcn_pkcnp = &auxt->pvnr_cn;
733 1.7 pooka PUFFS_KCREDTOCRED(pcn.pcn_cred, &auxt->pvnr_cn_cred);
734 1.7 pooka
735 1.9 pooka memset(&pni, 0, sizeof(pni));
736 1.9 pooka pni.pni_cookie = &auxt->pvnr_newnode;
737 1.9 pooka
738 1.1 pooka if (buildpath) {
739 1.1 pooka error = puffs_path_pcnbuild(pu, &pcn, opcookie);
740 1.1 pooka if (error)
741 1.1 pooka break;
742 1.1 pooka }
743 1.1 pooka
744 1.24 pooka error = pops->puffs_node_mkdir(pu,
745 1.9 pooka opcookie, &pni, &pcn, &auxt->pvnr_va);
746 1.1 pooka
747 1.1 pooka if (buildpath) {
748 1.1 pooka if (error) {
749 1.1 pooka pu->pu_pathfree(pu, &pcn.pcn_po_full);
750 1.1 pooka } else {
751 1.1 pooka struct puffs_node *pn;
752 1.1 pooka
753 1.1 pooka pn = PU_CMAP(pu, auxt->pvnr_newnode);
754 1.1 pooka pn->pn_po = pcn.pcn_po_full;
755 1.1 pooka }
756 1.1 pooka }
757 1.1 pooka
758 1.1 pooka break;
759 1.1 pooka }
760 1.1 pooka
761 1.1 pooka case PUFFS_VN_RMDIR:
762 1.1 pooka {
763 1.15 pooka struct puffs_vnmsg_rmdir *auxt = auxbuf;
764 1.1 pooka struct puffs_cn pcn;
765 1.1 pooka if (pops->puffs_node_rmdir == NULL) {
766 1.1 pooka error = 0;
767 1.1 pooka break;
768 1.1 pooka }
769 1.1 pooka
770 1.1 pooka pcn.pcn_pkcnp = &auxt->pvnr_cn;
771 1.7 pooka PUFFS_KCREDTOCRED(pcn.pcn_cred, &auxt->pvnr_cn_cred);
772 1.1 pooka
773 1.24 pooka error = pops->puffs_node_rmdir(pu,
774 1.1 pooka opcookie, auxt->pvnr_cookie_targ, &pcn);
775 1.1 pooka break;
776 1.1 pooka }
777 1.1 pooka
778 1.1 pooka case PUFFS_VN_SYMLINK:
779 1.1 pooka {
780 1.15 pooka struct puffs_vnmsg_symlink *auxt = auxbuf;
781 1.9 pooka struct puffs_newinfo pni;
782 1.1 pooka struct puffs_cn pcn;
783 1.9 pooka
784 1.1 pooka if (pops->puffs_node_symlink == NULL) {
785 1.1 pooka error = 0;
786 1.1 pooka break;
787 1.1 pooka }
788 1.1 pooka
789 1.1 pooka pcn.pcn_pkcnp = &auxt->pvnr_cn;
790 1.7 pooka PUFFS_KCREDTOCRED(pcn.pcn_cred, &auxt->pvnr_cn_cred);
791 1.7 pooka
792 1.9 pooka memset(&pni, 0, sizeof(pni));
793 1.9 pooka pni.pni_cookie = &auxt->pvnr_newnode;
794 1.9 pooka
795 1.1 pooka if (buildpath) {
796 1.1 pooka error = puffs_path_pcnbuild(pu, &pcn, opcookie);
797 1.1 pooka if (error)
798 1.1 pooka break;
799 1.1 pooka }
800 1.1 pooka
801 1.24 pooka error = pops->puffs_node_symlink(pu,
802 1.9 pooka opcookie, &pni, &pcn,
803 1.9 pooka &auxt->pvnr_va, auxt->pvnr_link);
804 1.1 pooka
805 1.1 pooka if (buildpath) {
806 1.1 pooka if (error) {
807 1.1 pooka pu->pu_pathfree(pu, &pcn.pcn_po_full);
808 1.1 pooka } else {
809 1.1 pooka struct puffs_node *pn;
810 1.1 pooka
811 1.1 pooka pn = PU_CMAP(pu, auxt->pvnr_newnode);
812 1.1 pooka pn->pn_po = pcn.pcn_po_full;
813 1.1 pooka }
814 1.1 pooka }
815 1.1 pooka
816 1.1 pooka break;
817 1.1 pooka }
818 1.1 pooka
819 1.1 pooka case PUFFS_VN_READDIR:
820 1.1 pooka {
821 1.15 pooka struct puffs_vnmsg_readdir *auxt = auxbuf;
822 1.7 pooka PUFFS_MAKECRED(pcr, &auxt->pvnr_cred);
823 1.1 pooka struct dirent *dent;
824 1.1 pooka off_t *cookies;
825 1.1 pooka size_t res, origcookies;
826 1.1 pooka
827 1.1 pooka if (pops->puffs_node_readdir == NULL) {
828 1.1 pooka error = 0;
829 1.1 pooka break;
830 1.1 pooka }
831 1.1 pooka
832 1.1 pooka if (auxt->pvnr_ncookies) {
833 1.1 pooka /* LINTED: pvnr_data is __aligned() */
834 1.1 pooka cookies = (off_t *)auxt->pvnr_data;
835 1.1 pooka origcookies = auxt->pvnr_ncookies;
836 1.1 pooka } else {
837 1.1 pooka cookies = NULL;
838 1.1 pooka origcookies = 0;
839 1.1 pooka }
840 1.1 pooka /* LINTED: dentoff is aligned in the kernel */
841 1.1 pooka dent = (struct dirent *)
842 1.1 pooka (auxt->pvnr_data + auxt->pvnr_dentoff);
843 1.1 pooka
844 1.1 pooka res = auxt->pvnr_resid;
845 1.24 pooka error = pops->puffs_node_readdir(pu,
846 1.1 pooka opcookie, dent, &auxt->pvnr_offset,
847 1.7 pooka &auxt->pvnr_resid, pcr, &auxt->pvnr_eofflag,
848 1.7 pooka cookies, &auxt->pvnr_ncookies);
849 1.1 pooka
850 1.1 pooka /* much easier to track non-working NFS */
851 1.1 pooka assert(auxt->pvnr_ncookies <= origcookies);
852 1.1 pooka
853 1.1 pooka /* need to move a bit more */
854 1.15 pooka preq->preq_buflen = sizeof(struct puffs_vnmsg_readdir)
855 1.1 pooka + auxt->pvnr_dentoff + (res - auxt->pvnr_resid);
856 1.1 pooka break;
857 1.1 pooka }
858 1.1 pooka
859 1.1 pooka case PUFFS_VN_READLINK:
860 1.1 pooka {
861 1.15 pooka struct puffs_vnmsg_readlink *auxt = auxbuf;
862 1.7 pooka PUFFS_MAKECRED(pcr, &auxt->pvnr_cred);
863 1.7 pooka
864 1.1 pooka if (pops->puffs_node_readlink == NULL) {
865 1.1 pooka error = EOPNOTSUPP;
866 1.1 pooka break;
867 1.1 pooka }
868 1.1 pooka
869 1.7 pooka /*LINTED*/
870 1.24 pooka error = pops->puffs_node_readlink(pu, opcookie, pcr,
871 1.1 pooka auxt->pvnr_link, &auxt->pvnr_linklen);
872 1.1 pooka break;
873 1.1 pooka }
874 1.1 pooka
875 1.1 pooka case PUFFS_VN_RECLAIM:
876 1.1 pooka {
877 1.8 pooka
878 1.1 pooka if (pops->puffs_node_reclaim == NULL) {
879 1.1 pooka error = 0;
880 1.1 pooka break;
881 1.1 pooka }
882 1.1 pooka
883 1.24 pooka error = pops->puffs_node_reclaim(pu, opcookie);
884 1.1 pooka break;
885 1.1 pooka }
886 1.1 pooka
887 1.1 pooka case PUFFS_VN_INACTIVE:
888 1.1 pooka {
889 1.8 pooka
890 1.1 pooka if (pops->puffs_node_inactive == NULL) {
891 1.1 pooka error = EOPNOTSUPP;
892 1.1 pooka break;
893 1.1 pooka }
894 1.1 pooka
895 1.24 pooka error = pops->puffs_node_inactive(pu, opcookie);
896 1.1 pooka break;
897 1.1 pooka }
898 1.1 pooka
899 1.1 pooka case PUFFS_VN_PATHCONF:
900 1.1 pooka {
901 1.15 pooka struct puffs_vnmsg_pathconf *auxt = auxbuf;
902 1.1 pooka if (pops->puffs_node_pathconf == NULL) {
903 1.1 pooka error = 0;
904 1.1 pooka break;
905 1.1 pooka }
906 1.1 pooka
907 1.24 pooka error = pops->puffs_node_pathconf(pu,
908 1.1 pooka opcookie, auxt->pvnr_name,
909 1.1 pooka &auxt->pvnr_retval);
910 1.1 pooka break;
911 1.1 pooka }
912 1.1 pooka
913 1.1 pooka case PUFFS_VN_ADVLOCK:
914 1.1 pooka {
915 1.15 pooka struct puffs_vnmsg_advlock *auxt = auxbuf;
916 1.1 pooka if (pops->puffs_node_advlock == NULL) {
917 1.1 pooka error = 0;
918 1.1 pooka break;
919 1.1 pooka }
920 1.1 pooka
921 1.24 pooka error = pops->puffs_node_advlock(pu,
922 1.1 pooka opcookie, auxt->pvnr_id, auxt->pvnr_op,
923 1.1 pooka &auxt->pvnr_fl, auxt->pvnr_flags);
924 1.1 pooka break;
925 1.1 pooka }
926 1.1 pooka
927 1.1 pooka case PUFFS_VN_PRINT:
928 1.1 pooka {
929 1.1 pooka if (pops->puffs_node_print == NULL) {
930 1.1 pooka error = 0;
931 1.1 pooka break;
932 1.1 pooka }
933 1.1 pooka
934 1.24 pooka error = pops->puffs_node_print(pu,
935 1.1 pooka opcookie);
936 1.1 pooka break;
937 1.1 pooka }
938 1.1 pooka
939 1.1 pooka case PUFFS_VN_READ:
940 1.1 pooka {
941 1.15 pooka struct puffs_vnmsg_read *auxt = auxbuf;
942 1.7 pooka PUFFS_MAKECRED(pcr, &auxt->pvnr_cred);
943 1.1 pooka size_t res;
944 1.1 pooka
945 1.1 pooka if (pops->puffs_node_read == NULL) {
946 1.1 pooka error = EIO;
947 1.1 pooka break;
948 1.1 pooka }
949 1.1 pooka
950 1.1 pooka res = auxt->pvnr_resid;
951 1.24 pooka error = pops->puffs_node_read(pu,
952 1.1 pooka opcookie, auxt->pvnr_data,
953 1.1 pooka auxt->pvnr_offset, &auxt->pvnr_resid,
954 1.7 pooka pcr, auxt->pvnr_ioflag);
955 1.1 pooka
956 1.1 pooka /* need to move a bit more */
957 1.15 pooka preq->preq_buflen = sizeof(struct puffs_vnmsg_read)
958 1.1 pooka + (res - auxt->pvnr_resid);
959 1.1 pooka break;
960 1.1 pooka }
961 1.1 pooka
962 1.1 pooka case PUFFS_VN_WRITE:
963 1.1 pooka {
964 1.15 pooka struct puffs_vnmsg_write *auxt = auxbuf;
965 1.7 pooka PUFFS_MAKECRED(pcr, &auxt->pvnr_cred);
966 1.1 pooka
967 1.1 pooka if (pops->puffs_node_write == NULL) {
968 1.1 pooka error = EIO;
969 1.1 pooka break;
970 1.1 pooka }
971 1.1 pooka
972 1.24 pooka error = pops->puffs_node_write(pu,
973 1.1 pooka opcookie, auxt->pvnr_data,
974 1.1 pooka auxt->pvnr_offset, &auxt->pvnr_resid,
975 1.7 pooka pcr, auxt->pvnr_ioflag);
976 1.1 pooka
977 1.1 pooka /* don't need to move data back to the kernel */
978 1.15 pooka preq->preq_buflen = sizeof(struct puffs_vnmsg_write);
979 1.1 pooka break;
980 1.1 pooka }
981 1.1 pooka
982 1.4 pooka case PUFFS_VN_POLL:
983 1.4 pooka {
984 1.15 pooka struct puffs_vnmsg_poll *auxt = auxbuf;
985 1.8 pooka
986 1.4 pooka if (pops->puffs_node_poll == NULL) {
987 1.4 pooka error = 0;
988 1.4 pooka
989 1.4 pooka /* emulate genfs_poll() */
990 1.4 pooka auxt->pvnr_events &= (POLLIN | POLLOUT
991 1.4 pooka | POLLRDNORM | POLLWRNORM);
992 1.4 pooka
993 1.4 pooka break;
994 1.4 pooka }
995 1.4 pooka
996 1.24 pooka error = pops->puffs_node_poll(pu,
997 1.22 pooka opcookie, &auxt->pvnr_events);
998 1.4 pooka break;
999 1.4 pooka }
1000 1.4 pooka
1001 1.1 pooka default:
1002 1.1 pooka printf("inval op %d\n", preq->preq_optype);
1003 1.1 pooka error = EINVAL;
1004 1.1 pooka break;
1005 1.1 pooka }
1006 1.1 pooka } else {
1007 1.1 pooka /*
1008 1.1 pooka * this one also
1009 1.1 pooka */
1010 1.1 pooka error = EINVAL;
1011 1.1 pooka }
1012 1.1 pooka
1013 1.1 pooka preq->preq_rv = error;
1014 1.3 pooka pcc->pcc_flags |= PCC_DONE;
1015 1.1 pooka
1016 1.18 pooka if (pu->pu_oppost)
1017 1.24 pooka pu->pu_oppost(pu);
1018 1.18 pooka
1019 1.3 pooka /*
1020 1.3 pooka * Note, we are calling this from here so that we can run it
1021 1.3 pooka * off of the continuation stack. Otherwise puffs_goto() would
1022 1.3 pooka * not work.
1023 1.3 pooka */
1024 1.27 pooka processresult(pu, rv);
1025 1.3 pooka }
1026 1.3 pooka
1027 1.3 pooka static void
1028 1.27 pooka processresult(struct puffs_usermount *pu, int how)
1029 1.3 pooka {
1030 1.27 pooka struct puffs_cc *pcc = puffs_cc_getcc(pu);
1031 1.25 pooka struct puffs_req *preq = puffs__framebuf_getdataptr(pcc->pcc_pb);
1032 1.17 pooka int pccflags = pcc->pcc_flags;
1033 1.3 pooka
1034 1.3 pooka /* check if we need to store this reply */
1035 1.3 pooka switch (how) {
1036 1.3 pooka case PUFFCALL_ANSWER:
1037 1.3 pooka if (pu->pu_flags & PUFFS_FLAG_OPDUMP)
1038 1.17 pooka puffsdump_rv(preq);
1039 1.3 pooka
1040 1.25 pooka puffs_framev_enqueue_justsend(pu, pu->pu_fd,
1041 1.25 pooka pcc->pcc_pb, 0, 0);
1042 1.25 pooka /*FALLTHROUGH*/
1043 1.25 pooka
1044 1.3 pooka case PUFFCALL_IGNORE:
1045 1.19 pooka PU_LOCK();
1046 1.28 pooka LIST_INSERT_HEAD(&pu->pu_ccnukelst, pcc, pcc_rope);
1047 1.19 pooka PU_UNLOCK();
1048 1.3 pooka break;
1049 1.25 pooka
1050 1.3 pooka case PUFFCALL_AGAIN:
1051 1.17 pooka if ((pcc->pcc_flags & PCC_REALCC) == 0)
1052 1.3 pooka assert(pcc->pcc_flags & PCC_DONE);
1053 1.3 pooka break;
1054 1.25 pooka
1055 1.3 pooka default:
1056 1.3 pooka assert(/*CONSTCOND*/0);
1057 1.3 pooka }
1058 1.3 pooka
1059 1.3 pooka /* who needs information when you're living on borrowed time? */
1060 1.17 pooka if (pccflags & PCC_BORROWED) {
1061 1.17 pooka assert((pccflags & PCC_THREADED) == 0);
1062 1.3 pooka puffs_cc_yield(pcc); /* back to borrow source */
1063 1.17 pooka }
1064 1.1 pooka }
1065