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15#include "qemu/osdep.h"
16#include "libqtest-single.h"
17#include "qemu/module.h"
18#include "hw/9pfs/9p.h"
19#include "hw/9pfs/9p-synth.h"
20#include "libqos/virtio-9p.h"
21#include "libqos/qgraph.h"
22
23#define QVIRTIO_9P_TIMEOUT_US (10 * 1000 * 1000)
24static QGuestAllocator *alloc;
25
26
27
28
29
30static uint32_t fid_generator = 1000;
31
32static uint32_t genfid(void)
33{
34 return fid_generator++;
35}
36
37
38
39
40
41
42
43
44
45
46static int split(const char *in, const char *delim, char ***out)
47{
48 int n = 0, i = 0;
49 char *tmp, *p;
50
51 tmp = g_strdup(in);
52 for (p = strtok(tmp, delim); p != NULL; p = strtok(NULL, delim)) {
53 if (strlen(p) > 0) {
54 ++n;
55 }
56 }
57 g_free(tmp);
58
59 *out = g_new0(char *, n + 1);
60
61 tmp = g_strdup(in);
62 for (p = strtok(tmp, delim); p != NULL; p = strtok(NULL, delim)) {
63 if (strlen(p) > 0) {
64 (*out)[i++] = g_strdup(p);
65 }
66 }
67 g_free(tmp);
68
69 return n;
70}
71
72static void split_free(char ***out)
73{
74 int i;
75 for (i = 0; (*out)[i]; ++i) {
76 g_free((*out)[i]);
77 }
78 g_free(*out);
79 *out = NULL;
80}
81
82static void pci_config(void *obj, void *data, QGuestAllocator *t_alloc)
83{
84 QVirtio9P *v9p = obj;
85 alloc = t_alloc;
86 size_t tag_len = qvirtio_config_readw(v9p->vdev, 0);
87 g_autofree char *tag = NULL;
88 int i;
89
90 g_assert_cmpint(tag_len, ==, strlen(MOUNT_TAG));
91
92 tag = g_malloc(tag_len);
93 for (i = 0; i < tag_len; i++) {
94 tag[i] = qvirtio_config_readb(v9p->vdev, i + 2);
95 }
96 g_assert_cmpmem(tag, tag_len, MOUNT_TAG, tag_len);
97}
98
99#define P9_MAX_SIZE 4096
100
101typedef struct {
102 QTestState *qts;
103 QVirtio9P *v9p;
104 uint16_t tag;
105 uint64_t t_msg;
106 uint32_t t_size;
107 uint64_t r_msg;
108
109 size_t t_off;
110 size_t r_off;
111 uint32_t free_head;
112} P9Req;
113
114static void v9fs_memwrite(P9Req *req, const void *addr, size_t len)
115{
116 qtest_memwrite(req->qts, req->t_msg + req->t_off, addr, len);
117 req->t_off += len;
118}
119
120static void v9fs_memskip(P9Req *req, size_t len)
121{
122 req->r_off += len;
123}
124
125static void v9fs_memread(P9Req *req, void *addr, size_t len)
126{
127 qtest_memread(req->qts, req->r_msg + req->r_off, addr, len);
128 req->r_off += len;
129}
130
131static void v9fs_uint8_read(P9Req *req, uint8_t *val)
132{
133 v9fs_memread(req, val, 1);
134}
135
136static void v9fs_uint16_write(P9Req *req, uint16_t val)
137{
138 uint16_t le_val = cpu_to_le16(val);
139
140 v9fs_memwrite(req, &le_val, 2);
141}
142
143static void v9fs_uint16_read(P9Req *req, uint16_t *val)
144{
145 v9fs_memread(req, val, 2);
146 le16_to_cpus(val);
147}
148
149static void v9fs_uint32_write(P9Req *req, uint32_t val)
150{
151 uint32_t le_val = cpu_to_le32(val);
152
153 v9fs_memwrite(req, &le_val, 4);
154}
155
156static void v9fs_uint64_write(P9Req *req, uint64_t val)
157{
158 uint64_t le_val = cpu_to_le64(val);
159
160 v9fs_memwrite(req, &le_val, 8);
161}
162
163static void v9fs_uint32_read(P9Req *req, uint32_t *val)
164{
165 v9fs_memread(req, val, 4);
166 le32_to_cpus(val);
167}
168
169static void v9fs_uint64_read(P9Req *req, uint64_t *val)
170{
171 v9fs_memread(req, val, 8);
172 le64_to_cpus(val);
173}
174
175
176static uint16_t v9fs_string_size(const char *string)
177{
178 size_t len = strlen(string);
179
180 g_assert_cmpint(len, <=, UINT16_MAX - 2);
181
182 return 2 + len;
183}
184
185static void v9fs_string_write(P9Req *req, const char *string)
186{
187 int len = strlen(string);
188
189 g_assert_cmpint(len, <=, UINT16_MAX);
190
191 v9fs_uint16_write(req, (uint16_t) len);
192 v9fs_memwrite(req, string, len);
193}
194
195static void v9fs_string_read(P9Req *req, uint16_t *len, char **string)
196{
197 uint16_t local_len;
198
199 v9fs_uint16_read(req, &local_len);
200 if (len) {
201 *len = local_len;
202 }
203 if (string) {
204 *string = g_malloc(local_len + 1);
205 v9fs_memread(req, *string, local_len);
206 (*string)[local_len] = 0;
207 } else {
208 v9fs_memskip(req, local_len);
209 }
210}
211
212 typedef struct {
213 uint32_t size;
214 uint8_t id;
215 uint16_t tag;
216} QEMU_PACKED P9Hdr;
217
218static P9Req *v9fs_req_init(QVirtio9P *v9p, uint32_t size, uint8_t id,
219 uint16_t tag)
220{
221 P9Req *req = g_new0(P9Req, 1);
222 uint32_t total_size = 7;
223 P9Hdr hdr = {
224 .id = id,
225 .tag = cpu_to_le16(tag)
226 };
227
228 g_assert_cmpint(total_size, <=, UINT32_MAX - size);
229 total_size += size;
230 hdr.size = cpu_to_le32(total_size);
231
232 g_assert_cmpint(total_size, <=, P9_MAX_SIZE);
233
234 req->qts = global_qtest;
235 req->v9p = v9p;
236 req->t_size = total_size;
237 req->t_msg = guest_alloc(alloc, req->t_size);
238 v9fs_memwrite(req, &hdr, 7);
239 req->tag = tag;
240 return req;
241}
242
243static void v9fs_req_send(P9Req *req)
244{
245 QVirtio9P *v9p = req->v9p;
246
247 req->r_msg = guest_alloc(alloc, P9_MAX_SIZE);
248 req->free_head = qvirtqueue_add(req->qts, v9p->vq, req->t_msg, req->t_size,
249 false, true);
250 qvirtqueue_add(req->qts, v9p->vq, req->r_msg, P9_MAX_SIZE, true, false);
251 qvirtqueue_kick(req->qts, v9p->vdev, v9p->vq, req->free_head);
252 req->t_off = 0;
253}
254
255static const char *rmessage_name(uint8_t id)
256{
257 return
258 id == P9_RLERROR ? "RLERROR" :
259 id == P9_RVERSION ? "RVERSION" :
260 id == P9_RATTACH ? "RATTACH" :
261 id == P9_RWALK ? "RWALK" :
262 id == P9_RLOPEN ? "RLOPEN" :
263 id == P9_RWRITE ? "RWRITE" :
264 id == P9_RMKDIR ? "RMKDIR" :
265 id == P9_RLCREATE ? "RLCREATE" :
266 id == P9_RSYMLINK ? "RSYMLINK" :
267 id == P9_RLINK ? "RLINK" :
268 id == P9_RUNLINKAT ? "RUNLINKAT" :
269 id == P9_RFLUSH ? "RFLUSH" :
270 id == P9_RREADDIR ? "READDIR" :
271 "<unknown>";
272}
273
274static void v9fs_req_wait_for_reply(P9Req *req, uint32_t *len)
275{
276 QVirtio9P *v9p = req->v9p;
277
278 qvirtio_wait_used_elem(req->qts, v9p->vdev, v9p->vq, req->free_head, len,
279 QVIRTIO_9P_TIMEOUT_US);
280}
281
282static void v9fs_req_recv(P9Req *req, uint8_t id)
283{
284 P9Hdr hdr;
285
286 v9fs_memread(req, &hdr, 7);
287 hdr.size = ldl_le_p(&hdr.size);
288 hdr.tag = lduw_le_p(&hdr.tag);
289
290 g_assert_cmpint(hdr.size, >=, 7);
291 g_assert_cmpint(hdr.size, <=, P9_MAX_SIZE);
292 g_assert_cmpint(hdr.tag, ==, req->tag);
293
294 if (hdr.id != id) {
295 g_printerr("Received response %d (%s) instead of %d (%s)\n",
296 hdr.id, rmessage_name(hdr.id), id, rmessage_name(id));
297
298 if (hdr.id == P9_RLERROR) {
299 uint32_t err;
300 v9fs_uint32_read(req, &err);
301 g_printerr("Rlerror has errno %d (%s)\n", err, strerror(err));
302 }
303 }
304 g_assert_cmpint(hdr.id, ==, id);
305}
306
307static void v9fs_req_free(P9Req *req)
308{
309 guest_free(alloc, req->t_msg);
310 guest_free(alloc, req->r_msg);
311 g_free(req);
312}
313
314
315static void v9fs_rlerror(P9Req *req, uint32_t *err)
316{
317 v9fs_req_recv(req, P9_RLERROR);
318 v9fs_uint32_read(req, err);
319 v9fs_req_free(req);
320}
321
322
323static P9Req *v9fs_tversion(QVirtio9P *v9p, uint32_t msize, const char *version,
324 uint16_t tag)
325{
326 P9Req *req;
327 uint32_t body_size = 4;
328 uint16_t string_size = v9fs_string_size(version);
329
330 g_assert_cmpint(body_size, <=, UINT32_MAX - string_size);
331 body_size += string_size;
332 req = v9fs_req_init(v9p, body_size, P9_TVERSION, tag);
333
334 v9fs_uint32_write(req, msize);
335 v9fs_string_write(req, version);
336 v9fs_req_send(req);
337 return req;
338}
339
340
341static void v9fs_rversion(P9Req *req, uint16_t *len, char **version)
342{
343 uint32_t msize;
344
345 v9fs_req_recv(req, P9_RVERSION);
346 v9fs_uint32_read(req, &msize);
347
348 g_assert_cmpint(msize, ==, P9_MAX_SIZE);
349
350 if (len || version) {
351 v9fs_string_read(req, len, version);
352 }
353
354 v9fs_req_free(req);
355}
356
357
358static P9Req *v9fs_tattach(QVirtio9P *v9p, uint32_t fid, uint32_t n_uname,
359 uint16_t tag)
360{
361 const char *uname = "";
362 const char *aname = "";
363 P9Req *req = v9fs_req_init(v9p, 4 + 4 + 2 + 2 + 4, P9_TATTACH, tag);
364
365 v9fs_uint32_write(req, fid);
366 v9fs_uint32_write(req, P9_NOFID);
367 v9fs_string_write(req, uname);
368 v9fs_string_write(req, aname);
369 v9fs_uint32_write(req, n_uname);
370 v9fs_req_send(req);
371 return req;
372}
373
374
375typedef char v9fs_qid[13];
376
377static inline bool is_same_qid(v9fs_qid a, v9fs_qid b)
378{
379
380 return a[0] == b[0] && memcmp(&a[5], &b[5], 8) == 0;
381}
382
383
384static void v9fs_rattach(P9Req *req, v9fs_qid *qid)
385{
386 v9fs_req_recv(req, P9_RATTACH);
387 if (qid) {
388 v9fs_memread(req, qid, 13);
389 }
390 v9fs_req_free(req);
391}
392
393
394static P9Req *v9fs_twalk(QVirtio9P *v9p, uint32_t fid, uint32_t newfid,
395 uint16_t nwname, char *const wnames[], uint16_t tag)
396{
397 P9Req *req;
398 int i;
399 uint32_t body_size = 4 + 4 + 2;
400
401 for (i = 0; i < nwname; i++) {
402 uint16_t wname_size = v9fs_string_size(wnames[i]);
403
404 g_assert_cmpint(body_size, <=, UINT32_MAX - wname_size);
405 body_size += wname_size;
406 }
407 req = v9fs_req_init(v9p, body_size, P9_TWALK, tag);
408 v9fs_uint32_write(req, fid);
409 v9fs_uint32_write(req, newfid);
410 v9fs_uint16_write(req, nwname);
411 for (i = 0; i < nwname; i++) {
412 v9fs_string_write(req, wnames[i]);
413 }
414 v9fs_req_send(req);
415 return req;
416}
417
418
419static void v9fs_rwalk(P9Req *req, uint16_t *nwqid, v9fs_qid **wqid)
420{
421 uint16_t local_nwqid;
422
423 v9fs_req_recv(req, P9_RWALK);
424 v9fs_uint16_read(req, &local_nwqid);
425 if (nwqid) {
426 *nwqid = local_nwqid;
427 }
428 if (wqid) {
429 *wqid = g_malloc(local_nwqid * 13);
430 v9fs_memread(req, *wqid, local_nwqid * 13);
431 }
432 v9fs_req_free(req);
433}
434
435
436static P9Req *v9fs_tgetattr(QVirtio9P *v9p, uint32_t fid, uint64_t request_mask,
437 uint16_t tag)
438{
439 P9Req *req;
440
441 req = v9fs_req_init(v9p, 4 + 8, P9_TGETATTR, tag);
442 v9fs_uint32_write(req, fid);
443 v9fs_uint64_write(req, request_mask);
444 v9fs_req_send(req);
445 return req;
446}
447
448typedef struct v9fs_attr {
449 uint64_t valid;
450 v9fs_qid qid;
451 uint32_t mode;
452 uint32_t uid;
453 uint32_t gid;
454 uint64_t nlink;
455 uint64_t rdev;
456 uint64_t size;
457 uint64_t blksize;
458 uint64_t blocks;
459 uint64_t atime_sec;
460 uint64_t atime_nsec;
461 uint64_t mtime_sec;
462 uint64_t mtime_nsec;
463 uint64_t ctime_sec;
464 uint64_t ctime_nsec;
465 uint64_t btime_sec;
466 uint64_t btime_nsec;
467 uint64_t gen;
468 uint64_t data_version;
469} v9fs_attr;
470
471#define P9_GETATTR_BASIC 0x000007ffULL
472
473
474
475
476
477
478
479
480static void v9fs_rgetattr(P9Req *req, v9fs_attr *attr)
481{
482 v9fs_req_recv(req, P9_RGETATTR);
483
484 v9fs_uint64_read(req, &attr->valid);
485 v9fs_memread(req, &attr->qid, 13);
486 v9fs_uint32_read(req, &attr->mode);
487 v9fs_uint32_read(req, &attr->uid);
488 v9fs_uint32_read(req, &attr->gid);
489 v9fs_uint64_read(req, &attr->nlink);
490 v9fs_uint64_read(req, &attr->rdev);
491 v9fs_uint64_read(req, &attr->size);
492 v9fs_uint64_read(req, &attr->blksize);
493 v9fs_uint64_read(req, &attr->blocks);
494 v9fs_uint64_read(req, &attr->atime_sec);
495 v9fs_uint64_read(req, &attr->atime_nsec);
496 v9fs_uint64_read(req, &attr->mtime_sec);
497 v9fs_uint64_read(req, &attr->mtime_nsec);
498 v9fs_uint64_read(req, &attr->ctime_sec);
499 v9fs_uint64_read(req, &attr->ctime_nsec);
500 v9fs_uint64_read(req, &attr->btime_sec);
501 v9fs_uint64_read(req, &attr->btime_nsec);
502 v9fs_uint64_read(req, &attr->gen);
503 v9fs_uint64_read(req, &attr->data_version);
504
505 v9fs_req_free(req);
506}
507
508
509static P9Req *v9fs_treaddir(QVirtio9P *v9p, uint32_t fid, uint64_t offset,
510 uint32_t count, uint16_t tag)
511{
512 P9Req *req;
513
514 req = v9fs_req_init(v9p, 4 + 8 + 4, P9_TREADDIR, tag);
515 v9fs_uint32_write(req, fid);
516 v9fs_uint64_write(req, offset);
517 v9fs_uint32_write(req, count);
518 v9fs_req_send(req);
519 return req;
520}
521
522struct V9fsDirent {
523 v9fs_qid qid;
524 uint64_t offset;
525 uint8_t type;
526 char *name;
527 struct V9fsDirent *next;
528};
529
530
531static void v9fs_rreaddir(P9Req *req, uint32_t *count, uint32_t *nentries,
532 struct V9fsDirent **entries)
533{
534 uint32_t local_count;
535 struct V9fsDirent *e = NULL;
536 uint16_t slen;
537 uint32_t n = 0;
538
539 v9fs_req_recv(req, P9_RREADDIR);
540 v9fs_uint32_read(req, &local_count);
541
542 if (count) {
543 *count = local_count;
544 }
545
546 for (int32_t togo = (int32_t)local_count;
547 togo >= 13 + 8 + 1 + 2;
548 togo -= 13 + 8 + 1 + 2 + slen, ++n)
549 {
550 if (!e) {
551 e = g_new(struct V9fsDirent, 1);
552 if (entries) {
553 *entries = e;
554 }
555 } else {
556 e = e->next = g_new(struct V9fsDirent, 1);
557 }
558 e->next = NULL;
559
560 v9fs_memread(req, &e->qid, 13);
561 v9fs_uint64_read(req, &e->offset);
562 v9fs_uint8_read(req, &e->type);
563 v9fs_string_read(req, &slen, &e->name);
564 }
565
566 if (nentries) {
567 *nentries = n;
568 }
569
570 v9fs_req_free(req);
571}
572
573static void v9fs_free_dirents(struct V9fsDirent *e)
574{
575 struct V9fsDirent *next = NULL;
576
577 for (; e; e = next) {
578 next = e->next;
579 g_free(e->name);
580 g_free(e);
581 }
582}
583
584
585static P9Req *v9fs_tlopen(QVirtio9P *v9p, uint32_t fid, uint32_t flags,
586 uint16_t tag)
587{
588 P9Req *req;
589
590 req = v9fs_req_init(v9p, 4 + 4, P9_TLOPEN, tag);
591 v9fs_uint32_write(req, fid);
592 v9fs_uint32_write(req, flags);
593 v9fs_req_send(req);
594 return req;
595}
596
597
598static void v9fs_rlopen(P9Req *req, v9fs_qid *qid, uint32_t *iounit)
599{
600 v9fs_req_recv(req, P9_RLOPEN);
601 if (qid) {
602 v9fs_memread(req, qid, 13);
603 } else {
604 v9fs_memskip(req, 13);
605 }
606 if (iounit) {
607 v9fs_uint32_read(req, iounit);
608 }
609 v9fs_req_free(req);
610}
611
612
613static P9Req *v9fs_twrite(QVirtio9P *v9p, uint32_t fid, uint64_t offset,
614 uint32_t count, const void *data, uint16_t tag)
615{
616 P9Req *req;
617 uint32_t body_size = 4 + 8 + 4;
618
619 g_assert_cmpint(body_size, <=, UINT32_MAX - count);
620 body_size += count;
621 req = v9fs_req_init(v9p, body_size, P9_TWRITE, tag);
622 v9fs_uint32_write(req, fid);
623 v9fs_uint64_write(req, offset);
624 v9fs_uint32_write(req, count);
625 v9fs_memwrite(req, data, count);
626 v9fs_req_send(req);
627 return req;
628}
629
630
631static void v9fs_rwrite(P9Req *req, uint32_t *count)
632{
633 v9fs_req_recv(req, P9_RWRITE);
634 if (count) {
635 v9fs_uint32_read(req, count);
636 }
637 v9fs_req_free(req);
638}
639
640
641static P9Req *v9fs_tflush(QVirtio9P *v9p, uint16_t oldtag, uint16_t tag)
642{
643 P9Req *req;
644
645 req = v9fs_req_init(v9p, 2, P9_TFLUSH, tag);
646 v9fs_uint32_write(req, oldtag);
647 v9fs_req_send(req);
648 return req;
649}
650
651
652static void v9fs_rflush(P9Req *req)
653{
654 v9fs_req_recv(req, P9_RFLUSH);
655 v9fs_req_free(req);
656}
657
658static void do_version(QVirtio9P *v9p)
659{
660 const char *version = "9P2000.L";
661 uint16_t server_len;
662 g_autofree char *server_version = NULL;
663 P9Req *req;
664
665 req = v9fs_tversion(v9p, P9_MAX_SIZE, version, P9_NOTAG);
666 v9fs_req_wait_for_reply(req, NULL);
667 v9fs_rversion(req, &server_len, &server_version);
668
669 g_assert_cmpmem(server_version, server_len, version, strlen(version));
670}
671
672
673
674
675
676static uint32_t do_walk_rqids(QVirtio9P *v9p, const char *path, uint16_t *nwqid,
677 v9fs_qid **wqid)
678{
679 char **wnames;
680 P9Req *req;
681 const uint32_t fid = genfid();
682
683 int nwnames = split(path, "/", &wnames);
684
685 req = v9fs_twalk(v9p, 0, fid, nwnames, wnames, 0);
686 v9fs_req_wait_for_reply(req, NULL);
687 v9fs_rwalk(req, nwqid, wqid);
688
689 split_free(&wnames);
690 return fid;
691}
692
693
694static uint32_t do_walk(QVirtio9P *v9p, const char *path)
695{
696 return do_walk_rqids(v9p, path, NULL, NULL);
697}
698
699
700static void do_walk_expect_error(QVirtio9P *v9p, const char *path, uint32_t err)
701{
702 char **wnames;
703 P9Req *req;
704 uint32_t _err;
705 const uint32_t fid = genfid();
706
707 int nwnames = split(path, "/", &wnames);
708
709 req = v9fs_twalk(v9p, 0, fid, nwnames, wnames, 0);
710 v9fs_req_wait_for_reply(req, NULL);
711 v9fs_rlerror(req, &_err);
712
713 g_assert_cmpint(_err, ==, err);
714
715 split_free(&wnames);
716}
717
718static void fs_version(void *obj, void *data, QGuestAllocator *t_alloc)
719{
720 alloc = t_alloc;
721 do_version(obj);
722}
723
724static void do_attach_rqid(QVirtio9P *v9p, v9fs_qid *qid)
725{
726 P9Req *req;
727
728 do_version(v9p);
729 req = v9fs_tattach(v9p, 0, getuid(), 0);
730 v9fs_req_wait_for_reply(req, NULL);
731 v9fs_rattach(req, qid);
732}
733
734static void do_attach(QVirtio9P *v9p)
735{
736 do_attach_rqid(v9p, NULL);
737}
738
739static void fs_attach(void *obj, void *data, QGuestAllocator *t_alloc)
740{
741 alloc = t_alloc;
742 do_attach(obj);
743}
744
745static void fs_walk(void *obj, void *data, QGuestAllocator *t_alloc)
746{
747 QVirtio9P *v9p = obj;
748 alloc = t_alloc;
749 char *wnames[P9_MAXWELEM];
750 uint16_t nwqid;
751 g_autofree v9fs_qid *wqid = NULL;
752 int i;
753 P9Req *req;
754
755 for (i = 0; i < P9_MAXWELEM; i++) {
756 wnames[i] = g_strdup_printf(QTEST_V9FS_SYNTH_WALK_FILE, i);
757 }
758
759 do_attach(v9p);
760 req = v9fs_twalk(v9p, 0, 1, P9_MAXWELEM, wnames, 0);
761 v9fs_req_wait_for_reply(req, NULL);
762 v9fs_rwalk(req, &nwqid, &wqid);
763
764 g_assert_cmpint(nwqid, ==, P9_MAXWELEM);
765
766 for (i = 0; i < P9_MAXWELEM; i++) {
767 g_free(wnames[i]);
768 }
769}
770
771static bool fs_dirents_contain_name(struct V9fsDirent *e, const char* name)
772{
773 for (; e; e = e->next) {
774 if (!strcmp(e->name, name)) {
775 return true;
776 }
777 }
778 return false;
779}
780
781
782static P9Req *v9fs_tmkdir(QVirtio9P *v9p, uint32_t dfid, const char *name,
783 uint32_t mode, uint32_t gid, uint16_t tag)
784{
785 P9Req *req;
786
787 uint32_t body_size = 4 + 4 + 4;
788 uint16_t string_size = v9fs_string_size(name);
789
790 g_assert_cmpint(body_size, <=, UINT32_MAX - string_size);
791 body_size += string_size;
792
793 req = v9fs_req_init(v9p, body_size, P9_TMKDIR, tag);
794 v9fs_uint32_write(req, dfid);
795 v9fs_string_write(req, name);
796 v9fs_uint32_write(req, mode);
797 v9fs_uint32_write(req, gid);
798 v9fs_req_send(req);
799 return req;
800}
801
802
803static void v9fs_rmkdir(P9Req *req, v9fs_qid *qid)
804{
805 v9fs_req_recv(req, P9_RMKDIR);
806 if (qid) {
807 v9fs_memread(req, qid, 13);
808 } else {
809 v9fs_memskip(req, 13);
810 }
811 v9fs_req_free(req);
812}
813
814
815static P9Req *v9fs_tlcreate(QVirtio9P *v9p, uint32_t fid, const char *name,
816 uint32_t flags, uint32_t mode, uint32_t gid,
817 uint16_t tag)
818{
819 P9Req *req;
820
821 uint32_t body_size = 4 + 4 + 4 + 4;
822 uint16_t string_size = v9fs_string_size(name);
823
824 g_assert_cmpint(body_size, <=, UINT32_MAX - string_size);
825 body_size += string_size;
826
827 req = v9fs_req_init(v9p, body_size, P9_TLCREATE, tag);
828 v9fs_uint32_write(req, fid);
829 v9fs_string_write(req, name);
830 v9fs_uint32_write(req, flags);
831 v9fs_uint32_write(req, mode);
832 v9fs_uint32_write(req, gid);
833 v9fs_req_send(req);
834 return req;
835}
836
837
838static void v9fs_rlcreate(P9Req *req, v9fs_qid *qid, uint32_t *iounit)
839{
840 v9fs_req_recv(req, P9_RLCREATE);
841 if (qid) {
842 v9fs_memread(req, qid, 13);
843 } else {
844 v9fs_memskip(req, 13);
845 }
846 if (iounit) {
847 v9fs_uint32_read(req, iounit);
848 }
849 v9fs_req_free(req);
850}
851
852
853static P9Req *v9fs_tsymlink(QVirtio9P *v9p, uint32_t fid, const char *name,
854 const char *symtgt, uint32_t gid, uint16_t tag)
855{
856 P9Req *req;
857
858 uint32_t body_size = 4 + 4;
859 uint16_t string_size = v9fs_string_size(name) + v9fs_string_size(symtgt);
860
861 g_assert_cmpint(body_size, <=, UINT32_MAX - string_size);
862 body_size += string_size;
863
864 req = v9fs_req_init(v9p, body_size, P9_TSYMLINK, tag);
865 v9fs_uint32_write(req, fid);
866 v9fs_string_write(req, name);
867 v9fs_string_write(req, symtgt);
868 v9fs_uint32_write(req, gid);
869 v9fs_req_send(req);
870 return req;
871}
872
873
874static void v9fs_rsymlink(P9Req *req, v9fs_qid *qid)
875{
876 v9fs_req_recv(req, P9_RSYMLINK);
877 if (qid) {
878 v9fs_memread(req, qid, 13);
879 } else {
880 v9fs_memskip(req, 13);
881 }
882 v9fs_req_free(req);
883}
884
885
886static P9Req *v9fs_tlink(QVirtio9P *v9p, uint32_t dfid, uint32_t fid,
887 const char *name, uint16_t tag)
888{
889 P9Req *req;
890
891 uint32_t body_size = 4 + 4;
892 uint16_t string_size = v9fs_string_size(name);
893
894 g_assert_cmpint(body_size, <=, UINT32_MAX - string_size);
895 body_size += string_size;
896
897 req = v9fs_req_init(v9p, body_size, P9_TLINK, tag);
898 v9fs_uint32_write(req, dfid);
899 v9fs_uint32_write(req, fid);
900 v9fs_string_write(req, name);
901 v9fs_req_send(req);
902 return req;
903}
904
905
906static void v9fs_rlink(P9Req *req)
907{
908 v9fs_req_recv(req, P9_RLINK);
909 v9fs_req_free(req);
910}
911
912
913static P9Req *v9fs_tunlinkat(QVirtio9P *v9p, uint32_t dirfd, const char *name,
914 uint32_t flags, uint16_t tag)
915{
916 P9Req *req;
917
918 uint32_t body_size = 4 + 4;
919 uint16_t string_size = v9fs_string_size(name);
920
921 g_assert_cmpint(body_size, <=, UINT32_MAX - string_size);
922 body_size += string_size;
923
924 req = v9fs_req_init(v9p, body_size, P9_TUNLINKAT, tag);
925 v9fs_uint32_write(req, dirfd);
926 v9fs_string_write(req, name);
927 v9fs_uint32_write(req, flags);
928 v9fs_req_send(req);
929 return req;
930}
931
932
933static void v9fs_runlinkat(P9Req *req)
934{
935 v9fs_req_recv(req, P9_RUNLINKAT);
936 v9fs_req_free(req);
937}
938
939
940static void fs_readdir(void *obj, void *data, QGuestAllocator *t_alloc)
941{
942 QVirtio9P *v9p = obj;
943 alloc = t_alloc;
944 char *const wnames[] = { g_strdup(QTEST_V9FS_SYNTH_READDIR_DIR) };
945 uint16_t nqid;
946 v9fs_qid qid;
947 uint32_t count, nentries;
948 struct V9fsDirent *entries = NULL;
949 P9Req *req;
950
951 do_attach(v9p);
952 req = v9fs_twalk(v9p, 0, 1, 1, wnames, 0);
953 v9fs_req_wait_for_reply(req, NULL);
954 v9fs_rwalk(req, &nqid, NULL);
955 g_assert_cmpint(nqid, ==, 1);
956
957 req = v9fs_tlopen(v9p, 1, O_DIRECTORY, 0);
958 v9fs_req_wait_for_reply(req, NULL);
959 v9fs_rlopen(req, &qid, NULL);
960
961
962
963
964 req = v9fs_treaddir(v9p, 1, 0, P9_MAX_SIZE - 11, 0);
965 v9fs_req_wait_for_reply(req, NULL);
966 v9fs_rreaddir(req, &count, &nentries, &entries);
967
968
969
970
971
972 g_assert_cmpint(
973 nentries, ==,
974 QTEST_V9FS_SYNTH_READDIR_NFILES + 2
975 );
976
977
978
979
980
981 g_assert_cmpint(fs_dirents_contain_name(entries, "."), ==, true);
982 g_assert_cmpint(fs_dirents_contain_name(entries, ".."), ==, true);
983 for (int i = 0; i < QTEST_V9FS_SYNTH_READDIR_NFILES; ++i) {
984 g_autofree char *name =
985 g_strdup_printf(QTEST_V9FS_SYNTH_READDIR_FILE, i);
986 g_assert_cmpint(fs_dirents_contain_name(entries, name), ==, true);
987 }
988
989 v9fs_free_dirents(entries);
990 g_free(wnames[0]);
991}
992
993
994static void do_readdir_split(QVirtio9P *v9p, uint32_t count)
995{
996 char *const wnames[] = { g_strdup(QTEST_V9FS_SYNTH_READDIR_DIR) };
997 uint16_t nqid;
998 v9fs_qid qid;
999 uint32_t nentries, npartialentries;
1000 struct V9fsDirent *entries, *tail, *partialentries;
1001 P9Req *req;
1002 int fid;
1003 uint64_t offset;
1004
1005 do_attach(v9p);
1006
1007 fid = 1;
1008 offset = 0;
1009 entries = NULL;
1010 nentries = 0;
1011 tail = NULL;
1012
1013 req = v9fs_twalk(v9p, 0, fid, 1, wnames, 0);
1014 v9fs_req_wait_for_reply(req, NULL);
1015 v9fs_rwalk(req, &nqid, NULL);
1016 g_assert_cmpint(nqid, ==, 1);
1017
1018 req = v9fs_tlopen(v9p, fid, O_DIRECTORY, 0);
1019 v9fs_req_wait_for_reply(req, NULL);
1020 v9fs_rlopen(req, &qid, NULL);
1021
1022
1023
1024
1025
1026 while (true) {
1027 npartialentries = 0;
1028 partialentries = NULL;
1029
1030 req = v9fs_treaddir(v9p, fid, offset, count, 0);
1031 v9fs_req_wait_for_reply(req, NULL);
1032 v9fs_rreaddir(req, &count, &npartialentries, &partialentries);
1033 if (npartialentries > 0 && partialentries) {
1034 if (!entries) {
1035 entries = partialentries;
1036 nentries = npartialentries;
1037 tail = partialentries;
1038 } else {
1039 tail->next = partialentries;
1040 nentries += npartialentries;
1041 }
1042 while (tail->next) {
1043 tail = tail->next;
1044 }
1045 offset = tail->offset;
1046 } else {
1047 break;
1048 }
1049 }
1050
1051 g_assert_cmpint(
1052 nentries, ==,
1053 QTEST_V9FS_SYNTH_READDIR_NFILES + 2
1054 );
1055
1056
1057
1058
1059
1060 g_assert_cmpint(fs_dirents_contain_name(entries, "."), ==, true);
1061 g_assert_cmpint(fs_dirents_contain_name(entries, ".."), ==, true);
1062 for (int i = 0; i < QTEST_V9FS_SYNTH_READDIR_NFILES; ++i) {
1063 char *name = g_strdup_printf(QTEST_V9FS_SYNTH_READDIR_FILE, i);
1064 g_assert_cmpint(fs_dirents_contain_name(entries, name), ==, true);
1065 g_free(name);
1066 }
1067
1068 v9fs_free_dirents(entries);
1069
1070 g_free(wnames[0]);
1071}
1072
1073static void fs_walk_no_slash(void *obj, void *data, QGuestAllocator *t_alloc)
1074{
1075 QVirtio9P *v9p = obj;
1076 alloc = t_alloc;
1077 char *const wnames[] = { g_strdup(" /") };
1078 P9Req *req;
1079 uint32_t err;
1080
1081 do_attach(v9p);
1082 req = v9fs_twalk(v9p, 0, 1, 1, wnames, 0);
1083 v9fs_req_wait_for_reply(req, NULL);
1084 v9fs_rlerror(req, &err);
1085
1086 g_assert_cmpint(err, ==, ENOENT);
1087
1088 g_free(wnames[0]);
1089}
1090
1091static void fs_walk_nonexistent(void *obj, void *data, QGuestAllocator *t_alloc)
1092{
1093 QVirtio9P *v9p = obj;
1094 alloc = t_alloc;
1095
1096 do_attach(v9p);
1097
1098
1099
1100
1101 do_walk_expect_error(v9p, "non-existent", ENOENT);
1102}
1103
1104static void fs_walk_2nd_nonexistent(void *obj, void *data,
1105 QGuestAllocator *t_alloc)
1106{
1107 QVirtio9P *v9p = obj;
1108 alloc = t_alloc;
1109 v9fs_qid root_qid;
1110 uint16_t nwqid;
1111 uint32_t fid, err;
1112 P9Req *req;
1113 g_autofree v9fs_qid *wqid = NULL;
1114 g_autofree char *path = g_strdup_printf(
1115 QTEST_V9FS_SYNTH_WALK_FILE "/non-existent", 0
1116 );
1117
1118 do_attach_rqid(v9p, &root_qid);
1119 fid = do_walk_rqids(v9p, path, &nwqid, &wqid);
1120
1121
1122
1123
1124 assert(nwqid == 1);
1125
1126
1127 g_assert(wqid && wqid[0] && !is_same_qid(root_qid, wqid[0]));
1128
1129
1130 req = v9fs_tgetattr(v9p, fid, P9_GETATTR_BASIC, 0);
1131 v9fs_req_wait_for_reply(req, NULL);
1132 v9fs_rlerror(req, &err);
1133
1134 g_assert_cmpint(err, ==, ENOENT);
1135}
1136
1137static void fs_walk_none(void *obj, void *data, QGuestAllocator *t_alloc)
1138{
1139 QVirtio9P *v9p = obj;
1140 alloc = t_alloc;
1141 v9fs_qid root_qid;
1142 g_autofree v9fs_qid *wqid = NULL;
1143 P9Req *req;
1144 struct v9fs_attr attr;
1145
1146 do_version(v9p);
1147 req = v9fs_tattach(v9p, 0, getuid(), 0);
1148 v9fs_req_wait_for_reply(req, NULL);
1149 v9fs_rattach(req, &root_qid);
1150
1151 req = v9fs_twalk(v9p, 0, 1, 0, NULL, 0);
1152 v9fs_req_wait_for_reply(req, NULL);
1153 v9fs_rwalk(req, NULL, &wqid);
1154
1155
1156 g_assert(wqid == NULL);
1157
1158 req = v9fs_tgetattr(v9p, 1, P9_GETATTR_BASIC, 0);
1159 v9fs_req_wait_for_reply(req, NULL);
1160 v9fs_rgetattr(req, &attr);
1161
1162 g_assert(is_same_qid(root_qid, attr.qid));
1163}
1164
1165static void fs_walk_dotdot(void *obj, void *data, QGuestAllocator *t_alloc)
1166{
1167 QVirtio9P *v9p = obj;
1168 alloc = t_alloc;
1169 char *const wnames[] = { g_strdup("..") };
1170 v9fs_qid root_qid;
1171 g_autofree v9fs_qid *wqid = NULL;
1172 P9Req *req;
1173
1174 do_version(v9p);
1175 req = v9fs_tattach(v9p, 0, getuid(), 0);
1176 v9fs_req_wait_for_reply(req, NULL);
1177 v9fs_rattach(req, &root_qid);
1178
1179 req = v9fs_twalk(v9p, 0, 1, 1, wnames, 0);
1180 v9fs_req_wait_for_reply(req, NULL);
1181 v9fs_rwalk(req, NULL, &wqid);
1182
1183 g_assert_cmpmem(&root_qid, 13, wqid[0], 13);
1184
1185 g_free(wnames[0]);
1186}
1187
1188static void fs_lopen(void *obj, void *data, QGuestAllocator *t_alloc)
1189{
1190 QVirtio9P *v9p = obj;
1191 alloc = t_alloc;
1192 char *const wnames[] = { g_strdup(QTEST_V9FS_SYNTH_LOPEN_FILE) };
1193 P9Req *req;
1194
1195 do_attach(v9p);
1196 req = v9fs_twalk(v9p, 0, 1, 1, wnames, 0);
1197 v9fs_req_wait_for_reply(req, NULL);
1198 v9fs_rwalk(req, NULL, NULL);
1199
1200 req = v9fs_tlopen(v9p, 1, O_WRONLY, 0);
1201 v9fs_req_wait_for_reply(req, NULL);
1202 v9fs_rlopen(req, NULL, NULL);
1203
1204 g_free(wnames[0]);
1205}
1206
1207static void fs_write(void *obj, void *data, QGuestAllocator *t_alloc)
1208{
1209 QVirtio9P *v9p = obj;
1210 alloc = t_alloc;
1211 static const uint32_t write_count = P9_MAX_SIZE / 2;
1212 char *const wnames[] = { g_strdup(QTEST_V9FS_SYNTH_WRITE_FILE) };
1213 g_autofree char *buf = g_malloc0(write_count);
1214 uint32_t count;
1215 P9Req *req;
1216
1217 do_attach(v9p);
1218 req = v9fs_twalk(v9p, 0, 1, 1, wnames, 0);
1219 v9fs_req_wait_for_reply(req, NULL);
1220 v9fs_rwalk(req, NULL, NULL);
1221
1222 req = v9fs_tlopen(v9p, 1, O_WRONLY, 0);
1223 v9fs_req_wait_for_reply(req, NULL);
1224 v9fs_rlopen(req, NULL, NULL);
1225
1226 req = v9fs_twrite(v9p, 1, 0, write_count, buf, 0);
1227 v9fs_req_wait_for_reply(req, NULL);
1228 v9fs_rwrite(req, &count);
1229 g_assert_cmpint(count, ==, write_count);
1230
1231 g_free(wnames[0]);
1232}
1233
1234static void fs_flush_success(void *obj, void *data, QGuestAllocator *t_alloc)
1235{
1236 QVirtio9P *v9p = obj;
1237 alloc = t_alloc;
1238 char *const wnames[] = { g_strdup(QTEST_V9FS_SYNTH_FLUSH_FILE) };
1239 P9Req *req, *flush_req;
1240 uint32_t reply_len;
1241 uint8_t should_block;
1242
1243 do_attach(v9p);
1244 req = v9fs_twalk(v9p, 0, 1, 1, wnames, 0);
1245 v9fs_req_wait_for_reply(req, NULL);
1246 v9fs_rwalk(req, NULL, NULL);
1247
1248 req = v9fs_tlopen(v9p, 1, O_WRONLY, 0);
1249 v9fs_req_wait_for_reply(req, NULL);
1250 v9fs_rlopen(req, NULL, NULL);
1251
1252
1253
1254
1255 should_block = 1;
1256 req = v9fs_twrite(v9p, 1, 0, sizeof(should_block), &should_block, 0);
1257
1258 flush_req = v9fs_tflush(v9p, req->tag, 1);
1259
1260
1261
1262
1263 v9fs_req_wait_for_reply(req, &reply_len);
1264 g_assert_cmpint(reply_len, ==, 0);
1265 v9fs_req_free(req);
1266 v9fs_rflush(flush_req);
1267
1268 g_free(wnames[0]);
1269}
1270
1271static void fs_flush_ignored(void *obj, void *data, QGuestAllocator *t_alloc)
1272{
1273 QVirtio9P *v9p = obj;
1274 alloc = t_alloc;
1275 char *const wnames[] = { g_strdup(QTEST_V9FS_SYNTH_FLUSH_FILE) };
1276 P9Req *req, *flush_req;
1277 uint32_t count;
1278 uint8_t should_block;
1279
1280 do_attach(v9p);
1281 req = v9fs_twalk(v9p, 0, 1, 1, wnames, 0);
1282 v9fs_req_wait_for_reply(req, NULL);
1283 v9fs_rwalk(req, NULL, NULL);
1284
1285 req = v9fs_tlopen(v9p, 1, O_WRONLY, 0);
1286 v9fs_req_wait_for_reply(req, NULL);
1287 v9fs_rlopen(req, NULL, NULL);
1288
1289
1290
1291
1292 should_block = 0;
1293 req = v9fs_twrite(v9p, 1, 0, sizeof(should_block), &should_block, 0);
1294
1295 flush_req = v9fs_tflush(v9p, req->tag, 1);
1296
1297
1298
1299
1300 v9fs_req_wait_for_reply(req, NULL);
1301 v9fs_rwrite(req, &count);
1302 g_assert_cmpint(count, ==, sizeof(should_block));
1303 v9fs_rflush(flush_req);
1304
1305 g_free(wnames[0]);
1306}
1307
1308static void do_mkdir(QVirtio9P *v9p, const char *path, const char *cname)
1309{
1310 g_autofree char *name = g_strdup(cname);
1311 uint32_t fid;
1312 P9Req *req;
1313
1314 fid = do_walk(v9p, path);
1315
1316 req = v9fs_tmkdir(v9p, fid, name, 0750, 0, 0);
1317 v9fs_req_wait_for_reply(req, NULL);
1318 v9fs_rmkdir(req, NULL);
1319}
1320
1321
1322static uint32_t do_lcreate(QVirtio9P *v9p, const char *path,
1323 const char *cname)
1324{
1325 g_autofree char *name = g_strdup(cname);
1326 uint32_t fid;
1327 P9Req *req;
1328
1329 fid = do_walk(v9p, path);
1330
1331 req = v9fs_tlcreate(v9p, fid, name, 0, 0750, 0, 0);
1332 v9fs_req_wait_for_reply(req, NULL);
1333 v9fs_rlcreate(req, NULL, NULL);
1334
1335 return fid;
1336}
1337
1338
1339static void do_symlink(QVirtio9P *v9p, const char *path, const char *clink,
1340 const char *to)
1341{
1342 g_autofree char *name = g_strdup(clink);
1343 g_autofree char *dst = g_strdup(to);
1344 uint32_t fid;
1345 P9Req *req;
1346
1347 fid = do_walk(v9p, path);
1348
1349 req = v9fs_tsymlink(v9p, fid, name, dst, 0, 0);
1350 v9fs_req_wait_for_reply(req, NULL);
1351 v9fs_rsymlink(req, NULL);
1352}
1353
1354
1355static void do_hardlink(QVirtio9P *v9p, const char *path, const char *clink,
1356 const char *to)
1357{
1358 uint32_t dfid, fid;
1359 P9Req *req;
1360
1361 dfid = do_walk(v9p, path);
1362 fid = do_walk(v9p, to);
1363
1364 req = v9fs_tlink(v9p, dfid, fid, clink, 0);
1365 v9fs_req_wait_for_reply(req, NULL);
1366 v9fs_rlink(req);
1367}
1368
1369static void do_unlinkat(QVirtio9P *v9p, const char *atpath, const char *rpath,
1370 uint32_t flags)
1371{
1372 g_autofree char *name = g_strdup(rpath);
1373 uint32_t fid;
1374 P9Req *req;
1375
1376 fid = do_walk(v9p, atpath);
1377
1378 req = v9fs_tunlinkat(v9p, fid, name, flags, 0);
1379 v9fs_req_wait_for_reply(req, NULL);
1380 v9fs_runlinkat(req);
1381}
1382
1383static void fs_readdir_split_128(void *obj, void *data,
1384 QGuestAllocator *t_alloc)
1385{
1386 alloc = t_alloc;
1387 do_readdir_split(obj, 128);
1388}
1389
1390static void fs_readdir_split_256(void *obj, void *data,
1391 QGuestAllocator *t_alloc)
1392{
1393 alloc = t_alloc;
1394 do_readdir_split(obj, 256);
1395}
1396
1397static void fs_readdir_split_512(void *obj, void *data,
1398 QGuestAllocator *t_alloc)
1399{
1400 alloc = t_alloc;
1401 do_readdir_split(obj, 512);
1402}
1403
1404
1405
1406
1407static void fs_create_dir(void *obj, void *data, QGuestAllocator *t_alloc)
1408{
1409 QVirtio9P *v9p = obj;
1410 alloc = t_alloc;
1411 struct stat st;
1412 g_autofree char *root_path = virtio_9p_test_path("");
1413 g_autofree char *new_dir = virtio_9p_test_path("01");
1414
1415 g_assert(root_path != NULL);
1416
1417 do_attach(v9p);
1418 do_mkdir(v9p, "/", "01");
1419
1420
1421 g_assert(stat(new_dir, &st) == 0);
1422
1423 g_assert((st.st_mode & S_IFMT) == S_IFDIR);
1424}
1425
1426static void fs_unlinkat_dir(void *obj, void *data, QGuestAllocator *t_alloc)
1427{
1428 QVirtio9P *v9p = obj;
1429 alloc = t_alloc;
1430 struct stat st;
1431 g_autofree char *root_path = virtio_9p_test_path("");
1432 g_autofree char *new_dir = virtio_9p_test_path("02");
1433
1434 g_assert(root_path != NULL);
1435
1436 do_attach(v9p);
1437 do_mkdir(v9p, "/", "02");
1438
1439
1440 g_assert(stat(new_dir, &st) == 0);
1441
1442 g_assert((st.st_mode & S_IFMT) == S_IFDIR);
1443
1444 do_unlinkat(v9p, "/", "02", P9_DOTL_AT_REMOVEDIR);
1445
1446 g_assert(stat(new_dir, &st) != 0);
1447}
1448
1449static void fs_create_file(void *obj, void *data, QGuestAllocator *t_alloc)
1450{
1451 QVirtio9P *v9p = obj;
1452 alloc = t_alloc;
1453 struct stat st;
1454 g_autofree char *new_file = virtio_9p_test_path("03/1st_file");
1455
1456 do_attach(v9p);
1457 do_mkdir(v9p, "/", "03");
1458 do_lcreate(v9p, "03", "1st_file");
1459
1460
1461 g_assert(stat(new_file, &st) == 0);
1462
1463 g_assert((st.st_mode & S_IFMT) == S_IFREG);
1464}
1465
1466static void fs_unlinkat_file(void *obj, void *data, QGuestAllocator *t_alloc)
1467{
1468 QVirtio9P *v9p = obj;
1469 alloc = t_alloc;
1470 struct stat st;
1471 g_autofree char *new_file = virtio_9p_test_path("04/doa_file");
1472
1473 do_attach(v9p);
1474 do_mkdir(v9p, "/", "04");
1475 do_lcreate(v9p, "04", "doa_file");
1476
1477
1478 g_assert(stat(new_file, &st) == 0);
1479
1480 g_assert((st.st_mode & S_IFMT) == S_IFREG);
1481
1482 do_unlinkat(v9p, "04", "doa_file", 0);
1483
1484 g_assert(stat(new_file, &st) != 0);
1485}
1486
1487static void fs_symlink_file(void *obj, void *data, QGuestAllocator *t_alloc)
1488{
1489 QVirtio9P *v9p = obj;
1490 alloc = t_alloc;
1491 struct stat st;
1492 g_autofree char *real_file = virtio_9p_test_path("05/real_file");
1493 g_autofree char *symlink_file = virtio_9p_test_path("05/symlink_file");
1494
1495 do_attach(v9p);
1496 do_mkdir(v9p, "/", "05");
1497 do_lcreate(v9p, "05", "real_file");
1498 g_assert(stat(real_file, &st) == 0);
1499 g_assert((st.st_mode & S_IFMT) == S_IFREG);
1500
1501 do_symlink(v9p, "05", "symlink_file", "real_file");
1502
1503
1504 g_assert(stat(symlink_file, &st) == 0);
1505}
1506
1507static void fs_unlinkat_symlink(void *obj, void *data,
1508 QGuestAllocator *t_alloc)
1509{
1510 QVirtio9P *v9p = obj;
1511 alloc = t_alloc;
1512 struct stat st;
1513 g_autofree char *real_file = virtio_9p_test_path("06/real_file");
1514 g_autofree char *symlink_file = virtio_9p_test_path("06/symlink_file");
1515
1516 do_attach(v9p);
1517 do_mkdir(v9p, "/", "06");
1518 do_lcreate(v9p, "06", "real_file");
1519 g_assert(stat(real_file, &st) == 0);
1520 g_assert((st.st_mode & S_IFMT) == S_IFREG);
1521
1522 do_symlink(v9p, "06", "symlink_file", "real_file");
1523 g_assert(stat(symlink_file, &st) == 0);
1524
1525 do_unlinkat(v9p, "06", "symlink_file", 0);
1526
1527 g_assert(stat(symlink_file, &st) != 0);
1528}
1529
1530static void fs_hardlink_file(void *obj, void *data, QGuestAllocator *t_alloc)
1531{
1532 QVirtio9P *v9p = obj;
1533 alloc = t_alloc;
1534 struct stat st_real, st_link;
1535 g_autofree char *real_file = virtio_9p_test_path("07/real_file");
1536 g_autofree char *hardlink_file = virtio_9p_test_path("07/hardlink_file");
1537
1538 do_attach(v9p);
1539 do_mkdir(v9p, "/", "07");
1540 do_lcreate(v9p, "07", "real_file");
1541 g_assert(stat(real_file, &st_real) == 0);
1542 g_assert((st_real.st_mode & S_IFMT) == S_IFREG);
1543
1544 do_hardlink(v9p, "07", "hardlink_file", "07/real_file");
1545
1546
1547 g_assert(stat(hardlink_file, &st_link) == 0);
1548
1549 g_assert((st_link.st_mode & S_IFMT) == S_IFREG);
1550 g_assert(st_link.st_dev == st_real.st_dev);
1551 g_assert(st_link.st_ino == st_real.st_ino);
1552}
1553
1554static void fs_unlinkat_hardlink(void *obj, void *data,
1555 QGuestAllocator *t_alloc)
1556{
1557 QVirtio9P *v9p = obj;
1558 alloc = t_alloc;
1559 struct stat st_real, st_link;
1560 g_autofree char *real_file = virtio_9p_test_path("08/real_file");
1561 g_autofree char *hardlink_file = virtio_9p_test_path("08/hardlink_file");
1562
1563 do_attach(v9p);
1564 do_mkdir(v9p, "/", "08");
1565 do_lcreate(v9p, "08", "real_file");
1566 g_assert(stat(real_file, &st_real) == 0);
1567 g_assert((st_real.st_mode & S_IFMT) == S_IFREG);
1568
1569 do_hardlink(v9p, "08", "hardlink_file", "08/real_file");
1570 g_assert(stat(hardlink_file, &st_link) == 0);
1571
1572 do_unlinkat(v9p, "08", "hardlink_file", 0);
1573
1574 g_assert(stat(hardlink_file, &st_link) != 0);
1575
1576 g_assert(stat(real_file, &st_real) == 0);
1577}
1578
1579static void *assign_9p_local_driver(GString *cmd_line, void *arg)
1580{
1581 virtio_9p_assign_local_driver(cmd_line, "security_model=mapped-xattr");
1582 return arg;
1583}
1584
1585static void register_virtio_9p_test(void)
1586{
1587
1588 QOSGraphTestOptions opts = {
1589 };
1590
1591
1592 qos_add_test("synth/config", "virtio-9p", pci_config, &opts);
1593 qos_add_test("synth/version/basic", "virtio-9p", fs_version, &opts);
1594 qos_add_test("synth/attach/basic", "virtio-9p", fs_attach, &opts);
1595 qos_add_test("synth/walk/basic", "virtio-9p", fs_walk, &opts);
1596 qos_add_test("synth/walk/no_slash", "virtio-9p", fs_walk_no_slash,
1597 &opts);
1598 qos_add_test("synth/walk/none", "virtio-9p", fs_walk_none, &opts);
1599 qos_add_test("synth/walk/dotdot_from_root", "virtio-9p",
1600 fs_walk_dotdot, &opts);
1601 qos_add_test("synth/walk/non_existent", "virtio-9p", fs_walk_nonexistent,
1602 &opts);
1603 qos_add_test("synth/walk/2nd_non_existent", "virtio-9p",
1604 fs_walk_2nd_nonexistent, &opts);
1605 qos_add_test("synth/lopen/basic", "virtio-9p", fs_lopen, &opts);
1606 qos_add_test("synth/write/basic", "virtio-9p", fs_write, &opts);
1607 qos_add_test("synth/flush/success", "virtio-9p", fs_flush_success,
1608 &opts);
1609 qos_add_test("synth/flush/ignored", "virtio-9p", fs_flush_ignored,
1610 &opts);
1611 qos_add_test("synth/readdir/basic", "virtio-9p", fs_readdir, &opts);
1612 qos_add_test("synth/readdir/split_512", "virtio-9p",
1613 fs_readdir_split_512, &opts);
1614 qos_add_test("synth/readdir/split_256", "virtio-9p",
1615 fs_readdir_split_256, &opts);
1616 qos_add_test("synth/readdir/split_128", "virtio-9p",
1617 fs_readdir_split_128, &opts);
1618
1619
1620
1621
1622
1623
1624
1625
1626 if (!g_test_slow()) {
1627 return;
1628 }
1629
1630 opts.before = assign_9p_local_driver;
1631 qos_add_test("local/config", "virtio-9p", pci_config, &opts);
1632 qos_add_test("local/create_dir", "virtio-9p", fs_create_dir, &opts);
1633 qos_add_test("local/unlinkat_dir", "virtio-9p", fs_unlinkat_dir, &opts);
1634 qos_add_test("local/create_file", "virtio-9p", fs_create_file, &opts);
1635 qos_add_test("local/unlinkat_file", "virtio-9p", fs_unlinkat_file, &opts);
1636 qos_add_test("local/symlink_file", "virtio-9p", fs_symlink_file, &opts);
1637 qos_add_test("local/unlinkat_symlink", "virtio-9p", fs_unlinkat_symlink,
1638 &opts);
1639 qos_add_test("local/hardlink_file", "virtio-9p", fs_hardlink_file, &opts);
1640 qos_add_test("local/unlinkat_hardlink", "virtio-9p", fs_unlinkat_hardlink,
1641 &opts);
1642}
1643
1644libqos_init(register_virtio_9p_test);
1645
1646static void __attribute__((constructor)) construct_9p_test(void)
1647{
1648
1649 virtio_9p_create_local_test_dir();
1650}
1651
1652static void __attribute__((destructor)) destruct_9p_test(void)
1653{
1654
1655 virtio_9p_remove_local_test_dir();
1656}
1657