1 /* 2 * QTest testcase for VirtIO 9P 3 * 4 * Copyright (c) 2014 SUSE LINUX Products GmbH 5 * 6 * This work is licensed under the terms of the GNU GPL, version 2 or later. 7 * See the COPYING file in the top-level directory. 8 */ 9 10 /* 11 * Not so fast! You might want to read the 9p developer docs first: 12 * https://wiki.qemu.org/Documentation/9p 13 */ 14 15 #include "qemu/osdep.h" 16 #include "qemu/module.h" 17 #include "libqos/virtio-9p-client.h" 18 19 #define twalk(...) v9fs_twalk((TWalkOpt) __VA_ARGS__) 20 #define tversion(...) v9fs_tversion((TVersionOpt) __VA_ARGS__) 21 #define tattach(...) v9fs_tattach((TAttachOpt) __VA_ARGS__) 22 #define tgetattr(...) v9fs_tgetattr((TGetAttrOpt) __VA_ARGS__) 23 #define treaddir(...) v9fs_treaddir((TReadDirOpt) __VA_ARGS__) 24 25 static void pci_config(void *obj, void *data, QGuestAllocator *t_alloc) 26 { 27 QVirtio9P *v9p = obj; 28 v9fs_set_allocator(t_alloc); 29 size_t tag_len = qvirtio_config_readw(v9p->vdev, 0); 30 g_autofree char *tag = NULL; 31 int i; 32 33 g_assert_cmpint(tag_len, ==, strlen(MOUNT_TAG)); 34 35 tag = g_malloc(tag_len); 36 for (i = 0; i < tag_len; i++) { 37 tag[i] = qvirtio_config_readb(v9p->vdev, i + 2); 38 } 39 g_assert_cmpmem(tag, tag_len, MOUNT_TAG, tag_len); 40 } 41 42 static inline bool is_same_qid(v9fs_qid a, v9fs_qid b) 43 { 44 /* don't compare QID version for checking for file ID equalness */ 45 return a[0] == b[0] && memcmp(&a[5], &b[5], 8) == 0; 46 } 47 48 static void fs_version(void *obj, void *data, QGuestAllocator *t_alloc) 49 { 50 v9fs_set_allocator(t_alloc); 51 tversion({ .client = obj }); 52 } 53 54 static void fs_attach(void *obj, void *data, QGuestAllocator *t_alloc) 55 { 56 v9fs_set_allocator(t_alloc); 57 tattach({ .client = obj }); 58 } 59 60 static void fs_walk(void *obj, void *data, QGuestAllocator *t_alloc) 61 { 62 QVirtio9P *v9p = obj; 63 v9fs_set_allocator(t_alloc); 64 char *wnames[P9_MAXWELEM]; 65 uint16_t nwqid; 66 g_autofree v9fs_qid *wqid = NULL; 67 int i; 68 69 for (i = 0; i < P9_MAXWELEM; i++) { 70 wnames[i] = g_strdup_printf(QTEST_V9FS_SYNTH_WALK_FILE, i); 71 } 72 73 tattach({ .client = v9p }); 74 twalk({ 75 .client = v9p, .fid = 0, .newfid = 1, 76 .nwname = P9_MAXWELEM, .wnames = wnames, 77 .rwalk = { .nwqid = &nwqid, .wqid = &wqid } 78 }); 79 80 g_assert_cmpint(nwqid, ==, P9_MAXWELEM); 81 82 for (i = 0; i < P9_MAXWELEM; i++) { 83 g_free(wnames[i]); 84 } 85 } 86 87 static bool fs_dirents_contain_name(struct V9fsDirent *e, const char* name) 88 { 89 for (; e; e = e->next) { 90 if (!strcmp(e->name, name)) { 91 return true; 92 } 93 } 94 return false; 95 } 96 97 /* basic readdir test where reply fits into a single response message */ 98 static void fs_readdir(void *obj, void *data, QGuestAllocator *t_alloc) 99 { 100 QVirtio9P *v9p = obj; 101 v9fs_set_allocator(t_alloc); 102 char *wnames[] = { g_strdup(QTEST_V9FS_SYNTH_READDIR_DIR) }; 103 uint16_t nqid; 104 v9fs_qid qid; 105 uint32_t count, nentries; 106 struct V9fsDirent *entries = NULL; 107 P9Req *req; 108 109 tattach({ .client = v9p }); 110 twalk({ 111 .client = v9p, .fid = 0, .newfid = 1, 112 .nwname = 1, .wnames = wnames, .rwalk.nwqid = &nqid 113 }); 114 g_assert_cmpint(nqid, ==, 1); 115 116 req = v9fs_tlopen(v9p, 1, O_DIRECTORY, 0); 117 v9fs_req_wait_for_reply(req, NULL); 118 v9fs_rlopen(req, &qid, NULL); 119 120 /* 121 * submit count = msize - 11, because 11 is the header size of Rreaddir 122 */ 123 req = treaddir({ 124 .client = v9p, .fid = 1, .offset = 0, .count = P9_MAX_SIZE - 11, 125 .requestOnly = true 126 }).req; 127 v9fs_req_wait_for_reply(req, NULL); 128 v9fs_rreaddir(req, &count, &nentries, &entries); 129 130 /* 131 * Assuming msize (P9_MAX_SIZE) is large enough so we can retrieve all 132 * dir entries with only one readdir request. 133 */ 134 g_assert_cmpint( 135 nentries, ==, 136 QTEST_V9FS_SYNTH_READDIR_NFILES + 2 /* "." and ".." */ 137 ); 138 139 /* 140 * Check all file names exist in returned entries, ignore their order 141 * though. 142 */ 143 g_assert_cmpint(fs_dirents_contain_name(entries, "."), ==, true); 144 g_assert_cmpint(fs_dirents_contain_name(entries, ".."), ==, true); 145 for (int i = 0; i < QTEST_V9FS_SYNTH_READDIR_NFILES; ++i) { 146 g_autofree char *name = 147 g_strdup_printf(QTEST_V9FS_SYNTH_READDIR_FILE, i); 148 g_assert_cmpint(fs_dirents_contain_name(entries, name), ==, true); 149 } 150 151 v9fs_free_dirents(entries); 152 g_free(wnames[0]); 153 } 154 155 /* readdir test where overall request is split over several messages */ 156 static void do_readdir_split(QVirtio9P *v9p, uint32_t count) 157 { 158 char *wnames[] = { g_strdup(QTEST_V9FS_SYNTH_READDIR_DIR) }; 159 uint16_t nqid; 160 v9fs_qid qid; 161 uint32_t nentries, npartialentries; 162 struct V9fsDirent *entries, *tail, *partialentries; 163 P9Req *req; 164 int fid; 165 uint64_t offset; 166 167 tattach({ .client = v9p }); 168 169 fid = 1; 170 offset = 0; 171 entries = NULL; 172 nentries = 0; 173 tail = NULL; 174 175 twalk({ 176 .client = v9p, .fid = 0, .newfid = fid, 177 .nwname = 1, .wnames = wnames, .rwalk.nwqid = &nqid 178 }); 179 g_assert_cmpint(nqid, ==, 1); 180 181 req = v9fs_tlopen(v9p, fid, O_DIRECTORY, 0); 182 v9fs_req_wait_for_reply(req, NULL); 183 v9fs_rlopen(req, &qid, NULL); 184 185 /* 186 * send as many Treaddir requests as required to get all directory 187 * entries 188 */ 189 while (true) { 190 npartialentries = 0; 191 partialentries = NULL; 192 193 req = treaddir({ 194 .client = v9p, .fid = fid, .offset = offset, .count = count, 195 .requestOnly = true 196 }).req; 197 v9fs_req_wait_for_reply(req, NULL); 198 v9fs_rreaddir(req, &count, &npartialentries, &partialentries); 199 if (npartialentries > 0 && partialentries) { 200 if (!entries) { 201 entries = partialentries; 202 nentries = npartialentries; 203 tail = partialentries; 204 } else { 205 tail->next = partialentries; 206 nentries += npartialentries; 207 } 208 while (tail->next) { 209 tail = tail->next; 210 } 211 offset = tail->offset; 212 } else { 213 break; 214 } 215 } 216 217 g_assert_cmpint( 218 nentries, ==, 219 QTEST_V9FS_SYNTH_READDIR_NFILES + 2 /* "." and ".." */ 220 ); 221 222 /* 223 * Check all file names exist in returned entries, ignore their order 224 * though. 225 */ 226 g_assert_cmpint(fs_dirents_contain_name(entries, "."), ==, true); 227 g_assert_cmpint(fs_dirents_contain_name(entries, ".."), ==, true); 228 for (int i = 0; i < QTEST_V9FS_SYNTH_READDIR_NFILES; ++i) { 229 char *name = g_strdup_printf(QTEST_V9FS_SYNTH_READDIR_FILE, i); 230 g_assert_cmpint(fs_dirents_contain_name(entries, name), ==, true); 231 g_free(name); 232 } 233 234 v9fs_free_dirents(entries); 235 236 g_free(wnames[0]); 237 } 238 239 static void fs_walk_no_slash(void *obj, void *data, QGuestAllocator *t_alloc) 240 { 241 QVirtio9P *v9p = obj; 242 v9fs_set_allocator(t_alloc); 243 char *wnames[] = { g_strdup(" /") }; 244 245 tattach({ .client = v9p }); 246 twalk({ 247 .client = v9p, .fid = 0, .newfid = 1, .nwname = 1, .wnames = wnames, 248 .expectErr = ENOENT 249 }); 250 251 g_free(wnames[0]); 252 } 253 254 static void fs_walk_nonexistent(void *obj, void *data, QGuestAllocator *t_alloc) 255 { 256 QVirtio9P *v9p = obj; 257 v9fs_set_allocator(t_alloc); 258 259 tattach({ .client = v9p }); 260 /* 261 * The 9p2000 protocol spec says: "If the first element cannot be walked 262 * for any reason, Rerror is returned." 263 */ 264 twalk({ .client = v9p, .path = "non-existent", .expectErr = ENOENT }); 265 } 266 267 static void fs_walk_2nd_nonexistent(void *obj, void *data, 268 QGuestAllocator *t_alloc) 269 { 270 QVirtio9P *v9p = obj; 271 v9fs_set_allocator(t_alloc); 272 v9fs_qid root_qid; 273 uint16_t nwqid; 274 uint32_t fid; 275 g_autofree v9fs_qid *wqid = NULL; 276 g_autofree char *path = g_strdup_printf( 277 QTEST_V9FS_SYNTH_WALK_FILE "/non-existent", 0 278 ); 279 280 tattach({ .client = v9p, .rattach.qid = &root_qid }); 281 fid = twalk({ 282 .client = v9p, .path = path, 283 .rwalk = { .nwqid = &nwqid, .wqid = &wqid } 284 }).newfid; 285 /* 286 * The 9p2000 protocol spec says: "nwqid is therefore either nwname or the 287 * index of the first elementwise walk that failed." 288 */ 289 assert(nwqid == 1); 290 291 /* returned QID wqid[0] is file ID of 1st subdir */ 292 g_assert(wqid && wqid[0] && !is_same_qid(root_qid, wqid[0])); 293 294 /* expect fid being unaffected by walk above */ 295 tgetattr({ 296 .client = v9p, .fid = fid, .request_mask = P9_GETATTR_BASIC, 297 .expectErr = ENOENT 298 }); 299 } 300 301 static void fs_walk_none(void *obj, void *data, QGuestAllocator *t_alloc) 302 { 303 QVirtio9P *v9p = obj; 304 v9fs_set_allocator(t_alloc); 305 v9fs_qid root_qid; 306 g_autofree v9fs_qid *wqid = NULL; 307 struct v9fs_attr attr; 308 309 tversion({ .client = v9p }); 310 tattach({ 311 .client = v9p, .fid = 0, .n_uname = getuid(), 312 .rattach.qid = &root_qid 313 }); 314 315 twalk({ 316 .client = v9p, .fid = 0, .newfid = 1, .nwname = 0, .wnames = NULL, 317 .rwalk.wqid = &wqid 318 }); 319 320 /* special case: no QID is returned if nwname=0 was sent */ 321 g_assert(wqid == NULL); 322 323 tgetattr({ 324 .client = v9p, .fid = 1, .request_mask = P9_GETATTR_BASIC, 325 .rgetattr.attr = &attr 326 }); 327 328 g_assert(is_same_qid(root_qid, attr.qid)); 329 } 330 331 static void fs_walk_dotdot(void *obj, void *data, QGuestAllocator *t_alloc) 332 { 333 QVirtio9P *v9p = obj; 334 v9fs_set_allocator(t_alloc); 335 char *wnames[] = { g_strdup("..") }; 336 v9fs_qid root_qid; 337 g_autofree v9fs_qid *wqid = NULL; 338 339 tversion({ .client = v9p }); 340 tattach({ 341 .client = v9p, .fid = 0, .n_uname = getuid(), 342 .rattach.qid = &root_qid 343 }); 344 345 twalk({ 346 .client = v9p, .fid = 0, .newfid = 1, .nwname = 1, .wnames = wnames, 347 .rwalk.wqid = &wqid /* We now we'll get one qid */ 348 }); 349 350 g_assert_cmpmem(&root_qid, 13, wqid[0], 13); 351 352 g_free(wnames[0]); 353 } 354 355 static void fs_lopen(void *obj, void *data, QGuestAllocator *t_alloc) 356 { 357 QVirtio9P *v9p = obj; 358 v9fs_set_allocator(t_alloc); 359 char *wnames[] = { g_strdup(QTEST_V9FS_SYNTH_LOPEN_FILE) }; 360 P9Req *req; 361 362 tattach({ .client = v9p }); 363 twalk({ 364 .client = v9p, .fid = 0, .newfid = 1, .nwname = 1, .wnames = wnames 365 }); 366 367 req = v9fs_tlopen(v9p, 1, O_WRONLY, 0); 368 v9fs_req_wait_for_reply(req, NULL); 369 v9fs_rlopen(req, NULL, NULL); 370 371 g_free(wnames[0]); 372 } 373 374 static void fs_write(void *obj, void *data, QGuestAllocator *t_alloc) 375 { 376 QVirtio9P *v9p = obj; 377 v9fs_set_allocator(t_alloc); 378 static const uint32_t write_count = P9_MAX_SIZE / 2; 379 char *wnames[] = { g_strdup(QTEST_V9FS_SYNTH_WRITE_FILE) }; 380 g_autofree char *buf = g_malloc0(write_count); 381 uint32_t count; 382 P9Req *req; 383 384 tattach({ .client = v9p }); 385 twalk({ 386 .client = v9p, .fid = 0, .newfid = 1, .nwname = 1, .wnames = wnames 387 }); 388 389 req = v9fs_tlopen(v9p, 1, O_WRONLY, 0); 390 v9fs_req_wait_for_reply(req, NULL); 391 v9fs_rlopen(req, NULL, NULL); 392 393 req = v9fs_twrite(v9p, 1, 0, write_count, buf, 0); 394 v9fs_req_wait_for_reply(req, NULL); 395 v9fs_rwrite(req, &count); 396 g_assert_cmpint(count, ==, write_count); 397 398 g_free(wnames[0]); 399 } 400 401 static void fs_flush_success(void *obj, void *data, QGuestAllocator *t_alloc) 402 { 403 QVirtio9P *v9p = obj; 404 v9fs_set_allocator(t_alloc); 405 char *wnames[] = { g_strdup(QTEST_V9FS_SYNTH_FLUSH_FILE) }; 406 P9Req *req, *flush_req; 407 uint32_t reply_len; 408 uint8_t should_block; 409 410 tattach({ .client = v9p }); 411 twalk({ 412 .client = v9p, .fid = 0, .newfid = 1, .nwname = 1, .wnames = wnames 413 }); 414 415 req = v9fs_tlopen(v9p, 1, O_WRONLY, 0); 416 v9fs_req_wait_for_reply(req, NULL); 417 v9fs_rlopen(req, NULL, NULL); 418 419 /* This will cause the 9p server to try to write data to the backend, 420 * until the write request gets cancelled. 421 */ 422 should_block = 1; 423 req = v9fs_twrite(v9p, 1, 0, sizeof(should_block), &should_block, 0); 424 425 flush_req = v9fs_tflush(v9p, req->tag, 1); 426 427 /* The write request is supposed to be flushed: the server should just 428 * mark the write request as used and reply to the flush request. 429 */ 430 v9fs_req_wait_for_reply(req, &reply_len); 431 g_assert_cmpint(reply_len, ==, 0); 432 v9fs_req_free(req); 433 v9fs_rflush(flush_req); 434 435 g_free(wnames[0]); 436 } 437 438 static void fs_flush_ignored(void *obj, void *data, QGuestAllocator *t_alloc) 439 { 440 QVirtio9P *v9p = obj; 441 v9fs_set_allocator(t_alloc); 442 char *wnames[] = { g_strdup(QTEST_V9FS_SYNTH_FLUSH_FILE) }; 443 P9Req *req, *flush_req; 444 uint32_t count; 445 uint8_t should_block; 446 447 tattach({ .client = v9p }); 448 twalk({ 449 .client = v9p, .fid = 0, .newfid = 1, .nwname = 1, .wnames = wnames 450 }); 451 452 req = v9fs_tlopen(v9p, 1, O_WRONLY, 0); 453 v9fs_req_wait_for_reply(req, NULL); 454 v9fs_rlopen(req, NULL, NULL); 455 456 /* This will cause the write request to complete right away, before it 457 * could be actually cancelled. 458 */ 459 should_block = 0; 460 req = v9fs_twrite(v9p, 1, 0, sizeof(should_block), &should_block, 0); 461 462 flush_req = v9fs_tflush(v9p, req->tag, 1); 463 464 /* The write request is supposed to complete. The server should 465 * reply to the write request and the flush request. 466 */ 467 v9fs_req_wait_for_reply(req, NULL); 468 v9fs_rwrite(req, &count); 469 g_assert_cmpint(count, ==, sizeof(should_block)); 470 v9fs_rflush(flush_req); 471 472 g_free(wnames[0]); 473 } 474 475 static void do_mkdir(QVirtio9P *v9p, const char *path, const char *cname) 476 { 477 g_autofree char *name = g_strdup(cname); 478 uint32_t fid; 479 P9Req *req; 480 481 fid = twalk({ .client = v9p, .path = path }).newfid; 482 483 req = v9fs_tmkdir(v9p, fid, name, 0750, 0, 0); 484 v9fs_req_wait_for_reply(req, NULL); 485 v9fs_rmkdir(req, NULL); 486 } 487 488 /* create a regular file with Tlcreate and return file's fid */ 489 static uint32_t do_lcreate(QVirtio9P *v9p, const char *path, 490 const char *cname) 491 { 492 g_autofree char *name = g_strdup(cname); 493 uint32_t fid; 494 P9Req *req; 495 496 fid = twalk({ .client = v9p, .path = path }).newfid; 497 498 req = v9fs_tlcreate(v9p, fid, name, 0, 0750, 0, 0); 499 v9fs_req_wait_for_reply(req, NULL); 500 v9fs_rlcreate(req, NULL, NULL); 501 502 return fid; 503 } 504 505 /* create symlink named @a clink in directory @a path pointing to @a to */ 506 static void do_symlink(QVirtio9P *v9p, const char *path, const char *clink, 507 const char *to) 508 { 509 g_autofree char *name = g_strdup(clink); 510 g_autofree char *dst = g_strdup(to); 511 uint32_t fid; 512 P9Req *req; 513 514 fid = twalk({ .client = v9p, .path = path }).newfid; 515 516 req = v9fs_tsymlink(v9p, fid, name, dst, 0, 0); 517 v9fs_req_wait_for_reply(req, NULL); 518 v9fs_rsymlink(req, NULL); 519 } 520 521 /* create a hard link named @a clink in directory @a path pointing to @a to */ 522 static void do_hardlink(QVirtio9P *v9p, const char *path, const char *clink, 523 const char *to) 524 { 525 uint32_t dfid, fid; 526 P9Req *req; 527 528 dfid = twalk({ .client = v9p, .path = path }).newfid; 529 fid = twalk({ .client = v9p, .path = to }).newfid; 530 531 req = v9fs_tlink(v9p, dfid, fid, clink, 0); 532 v9fs_req_wait_for_reply(req, NULL); 533 v9fs_rlink(req); 534 } 535 536 static void do_unlinkat(QVirtio9P *v9p, const char *atpath, const char *rpath, 537 uint32_t flags) 538 { 539 g_autofree char *name = g_strdup(rpath); 540 uint32_t fid; 541 P9Req *req; 542 543 fid = twalk({ .client = v9p, .path = atpath }).newfid; 544 545 req = v9fs_tunlinkat(v9p, fid, name, flags, 0); 546 v9fs_req_wait_for_reply(req, NULL); 547 v9fs_runlinkat(req); 548 } 549 550 static void fs_readdir_split_128(void *obj, void *data, 551 QGuestAllocator *t_alloc) 552 { 553 v9fs_set_allocator(t_alloc); 554 do_readdir_split(obj, 128); 555 } 556 557 static void fs_readdir_split_256(void *obj, void *data, 558 QGuestAllocator *t_alloc) 559 { 560 v9fs_set_allocator(t_alloc); 561 do_readdir_split(obj, 256); 562 } 563 564 static void fs_readdir_split_512(void *obj, void *data, 565 QGuestAllocator *t_alloc) 566 { 567 v9fs_set_allocator(t_alloc); 568 do_readdir_split(obj, 512); 569 } 570 571 572 /* tests using the 9pfs 'local' fs driver */ 573 574 static void fs_create_dir(void *obj, void *data, QGuestAllocator *t_alloc) 575 { 576 QVirtio9P *v9p = obj; 577 v9fs_set_allocator(t_alloc); 578 struct stat st; 579 g_autofree char *root_path = virtio_9p_test_path(""); 580 g_autofree char *new_dir = virtio_9p_test_path("01"); 581 582 g_assert(root_path != NULL); 583 584 tattach({ .client = v9p }); 585 do_mkdir(v9p, "/", "01"); 586 587 /* check if created directory really exists now ... */ 588 g_assert(stat(new_dir, &st) == 0); 589 /* ... and is actually a directory */ 590 g_assert((st.st_mode & S_IFMT) == S_IFDIR); 591 } 592 593 static void fs_unlinkat_dir(void *obj, void *data, QGuestAllocator *t_alloc) 594 { 595 QVirtio9P *v9p = obj; 596 v9fs_set_allocator(t_alloc); 597 struct stat st; 598 g_autofree char *root_path = virtio_9p_test_path(""); 599 g_autofree char *new_dir = virtio_9p_test_path("02"); 600 601 g_assert(root_path != NULL); 602 603 tattach({ .client = v9p }); 604 do_mkdir(v9p, "/", "02"); 605 606 /* check if created directory really exists now ... */ 607 g_assert(stat(new_dir, &st) == 0); 608 /* ... and is actually a directory */ 609 g_assert((st.st_mode & S_IFMT) == S_IFDIR); 610 611 do_unlinkat(v9p, "/", "02", P9_DOTL_AT_REMOVEDIR); 612 /* directory should be gone now */ 613 g_assert(stat(new_dir, &st) != 0); 614 } 615 616 static void fs_create_file(void *obj, void *data, QGuestAllocator *t_alloc) 617 { 618 QVirtio9P *v9p = obj; 619 v9fs_set_allocator(t_alloc); 620 struct stat st; 621 g_autofree char *new_file = virtio_9p_test_path("03/1st_file"); 622 623 tattach({ .client = v9p }); 624 do_mkdir(v9p, "/", "03"); 625 do_lcreate(v9p, "03", "1st_file"); 626 627 /* check if created file exists now ... */ 628 g_assert(stat(new_file, &st) == 0); 629 /* ... and is a regular file */ 630 g_assert((st.st_mode & S_IFMT) == S_IFREG); 631 } 632 633 static void fs_unlinkat_file(void *obj, void *data, QGuestAllocator *t_alloc) 634 { 635 QVirtio9P *v9p = obj; 636 v9fs_set_allocator(t_alloc); 637 struct stat st; 638 g_autofree char *new_file = virtio_9p_test_path("04/doa_file"); 639 640 tattach({ .client = v9p }); 641 do_mkdir(v9p, "/", "04"); 642 do_lcreate(v9p, "04", "doa_file"); 643 644 /* check if created file exists now ... */ 645 g_assert(stat(new_file, &st) == 0); 646 /* ... and is a regular file */ 647 g_assert((st.st_mode & S_IFMT) == S_IFREG); 648 649 do_unlinkat(v9p, "04", "doa_file", 0); 650 /* file should be gone now */ 651 g_assert(stat(new_file, &st) != 0); 652 } 653 654 static void fs_symlink_file(void *obj, void *data, QGuestAllocator *t_alloc) 655 { 656 QVirtio9P *v9p = obj; 657 v9fs_set_allocator(t_alloc); 658 struct stat st; 659 g_autofree char *real_file = virtio_9p_test_path("05/real_file"); 660 g_autofree char *symlink_file = virtio_9p_test_path("05/symlink_file"); 661 662 tattach({ .client = v9p }); 663 do_mkdir(v9p, "/", "05"); 664 do_lcreate(v9p, "05", "real_file"); 665 g_assert(stat(real_file, &st) == 0); 666 g_assert((st.st_mode & S_IFMT) == S_IFREG); 667 668 do_symlink(v9p, "05", "symlink_file", "real_file"); 669 670 /* check if created link exists now */ 671 g_assert(stat(symlink_file, &st) == 0); 672 } 673 674 static void fs_unlinkat_symlink(void *obj, void *data, 675 QGuestAllocator *t_alloc) 676 { 677 QVirtio9P *v9p = obj; 678 v9fs_set_allocator(t_alloc); 679 struct stat st; 680 g_autofree char *real_file = virtio_9p_test_path("06/real_file"); 681 g_autofree char *symlink_file = virtio_9p_test_path("06/symlink_file"); 682 683 tattach({ .client = v9p }); 684 do_mkdir(v9p, "/", "06"); 685 do_lcreate(v9p, "06", "real_file"); 686 g_assert(stat(real_file, &st) == 0); 687 g_assert((st.st_mode & S_IFMT) == S_IFREG); 688 689 do_symlink(v9p, "06", "symlink_file", "real_file"); 690 g_assert(stat(symlink_file, &st) == 0); 691 692 do_unlinkat(v9p, "06", "symlink_file", 0); 693 /* symlink should be gone now */ 694 g_assert(stat(symlink_file, &st) != 0); 695 } 696 697 static void fs_hardlink_file(void *obj, void *data, QGuestAllocator *t_alloc) 698 { 699 QVirtio9P *v9p = obj; 700 v9fs_set_allocator(t_alloc); 701 struct stat st_real, st_link; 702 g_autofree char *real_file = virtio_9p_test_path("07/real_file"); 703 g_autofree char *hardlink_file = virtio_9p_test_path("07/hardlink_file"); 704 705 tattach({ .client = v9p }); 706 do_mkdir(v9p, "/", "07"); 707 do_lcreate(v9p, "07", "real_file"); 708 g_assert(stat(real_file, &st_real) == 0); 709 g_assert((st_real.st_mode & S_IFMT) == S_IFREG); 710 711 do_hardlink(v9p, "07", "hardlink_file", "07/real_file"); 712 713 /* check if link exists now ... */ 714 g_assert(stat(hardlink_file, &st_link) == 0); 715 /* ... and it's a hard link, right? */ 716 g_assert((st_link.st_mode & S_IFMT) == S_IFREG); 717 g_assert(st_link.st_dev == st_real.st_dev); 718 g_assert(st_link.st_ino == st_real.st_ino); 719 } 720 721 static void fs_unlinkat_hardlink(void *obj, void *data, 722 QGuestAllocator *t_alloc) 723 { 724 QVirtio9P *v9p = obj; 725 v9fs_set_allocator(t_alloc); 726 struct stat st_real, st_link; 727 g_autofree char *real_file = virtio_9p_test_path("08/real_file"); 728 g_autofree char *hardlink_file = virtio_9p_test_path("08/hardlink_file"); 729 730 tattach({ .client = v9p }); 731 do_mkdir(v9p, "/", "08"); 732 do_lcreate(v9p, "08", "real_file"); 733 g_assert(stat(real_file, &st_real) == 0); 734 g_assert((st_real.st_mode & S_IFMT) == S_IFREG); 735 736 do_hardlink(v9p, "08", "hardlink_file", "08/real_file"); 737 g_assert(stat(hardlink_file, &st_link) == 0); 738 739 do_unlinkat(v9p, "08", "hardlink_file", 0); 740 /* symlink should be gone now */ 741 g_assert(stat(hardlink_file, &st_link) != 0); 742 /* and old file should still exist */ 743 g_assert(stat(real_file, &st_real) == 0); 744 } 745 746 static void *assign_9p_local_driver(GString *cmd_line, void *arg) 747 { 748 virtio_9p_assign_local_driver(cmd_line, "security_model=mapped-xattr"); 749 return arg; 750 } 751 752 static void register_virtio_9p_test(void) 753 { 754 755 QOSGraphTestOptions opts = { 756 }; 757 758 /* 9pfs test cases using the 'synth' filesystem driver */ 759 qos_add_test("synth/config", "virtio-9p", pci_config, &opts); 760 qos_add_test("synth/version/basic", "virtio-9p", fs_version, &opts); 761 qos_add_test("synth/attach/basic", "virtio-9p", fs_attach, &opts); 762 qos_add_test("synth/walk/basic", "virtio-9p", fs_walk, &opts); 763 qos_add_test("synth/walk/no_slash", "virtio-9p", fs_walk_no_slash, 764 &opts); 765 qos_add_test("synth/walk/none", "virtio-9p", fs_walk_none, &opts); 766 qos_add_test("synth/walk/dotdot_from_root", "virtio-9p", 767 fs_walk_dotdot, &opts); 768 qos_add_test("synth/walk/non_existent", "virtio-9p", fs_walk_nonexistent, 769 &opts); 770 qos_add_test("synth/walk/2nd_non_existent", "virtio-9p", 771 fs_walk_2nd_nonexistent, &opts); 772 qos_add_test("synth/lopen/basic", "virtio-9p", fs_lopen, &opts); 773 qos_add_test("synth/write/basic", "virtio-9p", fs_write, &opts); 774 qos_add_test("synth/flush/success", "virtio-9p", fs_flush_success, 775 &opts); 776 qos_add_test("synth/flush/ignored", "virtio-9p", fs_flush_ignored, 777 &opts); 778 qos_add_test("synth/readdir/basic", "virtio-9p", fs_readdir, &opts); 779 qos_add_test("synth/readdir/split_512", "virtio-9p", 780 fs_readdir_split_512, &opts); 781 qos_add_test("synth/readdir/split_256", "virtio-9p", 782 fs_readdir_split_256, &opts); 783 qos_add_test("synth/readdir/split_128", "virtio-9p", 784 fs_readdir_split_128, &opts); 785 786 787 /* 9pfs test cases using the 'local' filesystem driver */ 788 789 /* 790 * XXX: Until we are sure that these tests can run everywhere, 791 * keep them as "slow" so that they aren't run with "make check". 792 */ 793 if (!g_test_slow()) { 794 return; 795 } 796 797 opts.before = assign_9p_local_driver; 798 qos_add_test("local/config", "virtio-9p", pci_config, &opts); 799 qos_add_test("local/create_dir", "virtio-9p", fs_create_dir, &opts); 800 qos_add_test("local/unlinkat_dir", "virtio-9p", fs_unlinkat_dir, &opts); 801 qos_add_test("local/create_file", "virtio-9p", fs_create_file, &opts); 802 qos_add_test("local/unlinkat_file", "virtio-9p", fs_unlinkat_file, &opts); 803 qos_add_test("local/symlink_file", "virtio-9p", fs_symlink_file, &opts); 804 qos_add_test("local/unlinkat_symlink", "virtio-9p", fs_unlinkat_symlink, 805 &opts); 806 qos_add_test("local/hardlink_file", "virtio-9p", fs_hardlink_file, &opts); 807 qos_add_test("local/unlinkat_hardlink", "virtio-9p", fs_unlinkat_hardlink, 808 &opts); 809 } 810 811 libqos_init(register_virtio_9p_test); 812 813 static void __attribute__((constructor)) construct_9p_test(void) 814 { 815 /* make sure test dir for the 'local' tests exists */ 816 virtio_9p_create_local_test_dir(); 817 } 818 819 static void __attribute__((destructor)) destruct_9p_test(void) 820 { 821 /* remove previously created test dir when test suite completed */ 822 virtio_9p_remove_local_test_dir(); 823 } 824