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2d888c09 AF |
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 | ||
6f569084 CS |
10 | /* |
11 | * Not so fast! You might want to read the 9p developer docs first: | |
12 | * https://wiki.qemu.org/Documentation/9p | |
13 | */ | |
14 | ||
fbc04127 | 15 | #include "qemu/osdep.h" |
dd210749 | 16 | #include "libqtest-single.h" |
0b8fa32f | 17 | #include "qemu/module.h" |
6cc9906b | 18 | #include "hw/9pfs/9p.h" |
2893ddd5 | 19 | #include "hw/9pfs/9p-synth.h" |
dfbe8b43 EGE |
20 | #include "libqos/virtio-9p.h" |
21 | #include "libqos/qgraph.h" | |
2d888c09 | 22 | |
65b70fc7 | 23 | #define QVIRTIO_9P_TIMEOUT_US (10 * 1000 * 1000) |
dfbe8b43 | 24 | static QGuestAllocator *alloc; |
65b70fc7 | 25 | |
653daf38 CS |
26 | /* |
27 | * Used to auto generate new fids. Start with arbitrary high value to avoid | |
28 | * collision with hard coded fids in basic test code. | |
29 | */ | |
30 | static uint32_t fid_generator = 1000; | |
31 | ||
32 | static uint32_t genfid(void) | |
33 | { | |
34 | return fid_generator++; | |
35 | } | |
36 | ||
37 | /** | |
38 | * Splits the @a in string by @a delim into individual (non empty) strings | |
39 | * and outputs them to @a out. The output array @a out is NULL terminated. | |
40 | * | |
41 | * Output array @a out must be freed by calling split_free(). | |
42 | * | |
43 | * @returns number of individual elements in output array @a out (without the | |
44 | * final NULL terminating element) | |
45 | */ | |
46 | static 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); /* last element NULL delimiter */ | |
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 | ||
72 | static 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 | ||
dfbe8b43 | 82 | static void pci_config(void *obj, void *data, QGuestAllocator *t_alloc) |
557a4cc0 | 83 | { |
dfbe8b43 EGE |
84 | QVirtio9P *v9p = obj; |
85 | alloc = t_alloc; | |
86 | size_t tag_len = qvirtio_config_readw(v9p->vdev, 0); | |
65ceee0a | 87 | g_autofree char *tag = NULL; |
557a4cc0 | 88 | int i; |
557a4cc0 | 89 | |
dfbe8b43 | 90 | g_assert_cmpint(tag_len, ==, strlen(MOUNT_TAG)); |
557a4cc0 GK |
91 | |
92 | tag = g_malloc(tag_len); | |
93 | for (i = 0; i < tag_len; i++) { | |
dfbe8b43 | 94 | tag[i] = qvirtio_config_readb(v9p->vdev, i + 2); |
557a4cc0 | 95 | } |
dfbe8b43 | 96 | g_assert_cmpmem(tag, tag_len, MOUNT_TAG, tag_len); |
1211d81b GK |
97 | } |
98 | ||
6cc9906b GK |
99 | #define P9_MAX_SIZE 4096 /* Max size of a T-message or R-message */ |
100 | ||
101 | typedef struct { | |
1999a70a | 102 | QTestState *qts; |
dfbe8b43 | 103 | QVirtio9P *v9p; |
6cc9906b GK |
104 | uint16_t tag; |
105 | uint64_t t_msg; | |
106 | uint32_t t_size; | |
107 | uint64_t r_msg; | |
108 | /* No r_size, it is hardcoded to P9_MAX_SIZE */ | |
109 | size_t t_off; | |
110 | size_t r_off; | |
65b70fc7 | 111 | uint32_t free_head; |
6cc9906b GK |
112 | } P9Req; |
113 | ||
114 | static void v9fs_memwrite(P9Req *req, const void *addr, size_t len) | |
115 | { | |
1999a70a | 116 | qtest_memwrite(req->qts, req->t_msg + req->t_off, addr, len); |
6cc9906b GK |
117 | req->t_off += len; |
118 | } | |
119 | ||
120 | static void v9fs_memskip(P9Req *req, size_t len) | |
121 | { | |
122 | req->r_off += len; | |
123 | } | |
124 | ||
6cc9906b GK |
125 | static void v9fs_memread(P9Req *req, void *addr, size_t len) |
126 | { | |
1999a70a | 127 | qtest_memread(req->qts, req->r_msg + req->r_off, addr, len); |
6cc9906b GK |
128 | req->r_off += len; |
129 | } | |
130 | ||
4829469f CS |
131 | static void v9fs_uint8_read(P9Req *req, uint8_t *val) |
132 | { | |
133 | v9fs_memread(req, val, 1); | |
134 | } | |
135 | ||
6cc9906b GK |
136 | static 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 | ||
143 | static void v9fs_uint16_read(P9Req *req, uint16_t *val) | |
144 | { | |
145 | v9fs_memread(req, val, 2); | |
146 | le16_to_cpus(val); | |
147 | } | |
148 | ||
149 | static 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 | ||
354b86f8 GK |
156 | static 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 | ||
6cc9906b GK |
163 | static void v9fs_uint32_read(P9Req *req, uint32_t *val) |
164 | { | |
165 | v9fs_memread(req, val, 4); | |
166 | le32_to_cpus(val); | |
167 | } | |
168 | ||
4829469f CS |
169 | static void v9fs_uint64_read(P9Req *req, uint64_t *val) |
170 | { | |
171 | v9fs_memread(req, val, 8); | |
172 | le64_to_cpus(val); | |
173 | } | |
174 | ||
6cc9906b GK |
175 | /* len[2] string[len] */ |
176 | static uint16_t v9fs_string_size(const char *string) | |
177 | { | |
178 | size_t len = strlen(string); | |
179 | ||
9ea776ee | 180 | g_assert_cmpint(len, <=, UINT16_MAX - 2); |
6cc9906b GK |
181 | |
182 | return 2 + len; | |
183 | } | |
184 | ||
185 | static 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 | ||
195 | static 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) { | |
2e2293c2 | 204 | *string = g_malloc(local_len + 1); |
6cc9906b | 205 | v9fs_memread(req, *string, local_len); |
2e2293c2 | 206 | (*string)[local_len] = 0; |
6cc9906b GK |
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 | ||
dfbe8b43 | 218 | static P9Req *v9fs_req_init(QVirtio9P *v9p, uint32_t size, uint8_t id, |
6cc9906b GK |
219 | uint16_t tag) |
220 | { | |
221 | P9Req *req = g_new0(P9Req, 1); | |
9ea776ee | 222 | uint32_t total_size = 7; /* 9P header has well-known size of 7 bytes */ |
6cc9906b | 223 | P9Hdr hdr = { |
6cc9906b GK |
224 | .id = id, |
225 | .tag = cpu_to_le16(tag) | |
226 | }; | |
227 | ||
9ea776ee GK |
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); | |
6cc9906b | 233 | |
1999a70a | 234 | req->qts = global_qtest; |
6cc9906b | 235 | req->v9p = v9p; |
9ea776ee | 236 | req->t_size = total_size; |
dfbe8b43 | 237 | req->t_msg = guest_alloc(alloc, req->t_size); |
6cc9906b GK |
238 | v9fs_memwrite(req, &hdr, 7); |
239 | req->tag = tag; | |
240 | return req; | |
241 | } | |
242 | ||
243 | static void v9fs_req_send(P9Req *req) | |
244 | { | |
dfbe8b43 | 245 | QVirtio9P *v9p = req->v9p; |
6cc9906b | 246 | |
dfbe8b43 | 247 | req->r_msg = guest_alloc(alloc, P9_MAX_SIZE); |
1999a70a TH |
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); | |
6cc9906b GK |
252 | req->t_off = 0; |
253 | } | |
254 | ||
6e37f458 GK |
255 | static 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" : | |
82469aae | 262 | id == P9_RLOPEN ? "RLOPEN" : |
354b86f8 | 263 | id == P9_RWRITE ? "RWRITE" : |
653daf38 | 264 | id == P9_RMKDIR ? "RMKDIR" : |
b09dbfdd | 265 | id == P9_RLCREATE ? "RLCREATE" : |
59ff563d | 266 | id == P9_RSYMLINK ? "RSYMLINK" : |
64e3d403 | 267 | id == P9_RLINK ? "RLINK" : |
b37d62d6 | 268 | id == P9_RUNLINKAT ? "RUNLINKAT" : |
357e2f7f | 269 | id == P9_RFLUSH ? "RFLUSH" : |
4829469f | 270 | id == P9_RREADDIR ? "READDIR" : |
6e37f458 GK |
271 | "<unknown>"; |
272 | } | |
273 | ||
357e2f7f | 274 | static void v9fs_req_wait_for_reply(P9Req *req, uint32_t *len) |
6cc9906b | 275 | { |
dfbe8b43 | 276 | QVirtio9P *v9p = req->v9p; |
6cc9906b | 277 | |
1999a70a | 278 | qvirtio_wait_used_elem(req->qts, v9p->vdev, v9p->vq, req->free_head, len, |
65b70fc7 | 279 | QVIRTIO_9P_TIMEOUT_US); |
60b1fa9d GK |
280 | } |
281 | ||
282 | static void v9fs_req_recv(P9Req *req, uint8_t id) | |
283 | { | |
284 | P9Hdr hdr; | |
6cc9906b | 285 | |
65b70fc7 GK |
286 | v9fs_memread(req, &hdr, 7); |
287 | hdr.size = ldl_le_p(&hdr.size); | |
288 | hdr.tag = lduw_le_p(&hdr.tag); | |
6cc9906b GK |
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 | ||
6e37f458 GK |
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 | } | |
6cc9906b GK |
303 | } |
304 | g_assert_cmpint(hdr.id, ==, id); | |
305 | } | |
306 | ||
307 | static void v9fs_req_free(P9Req *req) | |
308 | { | |
dfbe8b43 EGE |
309 | guest_free(alloc, req->t_msg); |
310 | guest_free(alloc, req->r_msg); | |
6cc9906b GK |
311 | g_free(req); |
312 | } | |
313 | ||
ba0d1037 GK |
314 | /* size[4] Rlerror tag[2] ecode[4] */ |
315 | static 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 | ||
6cc9906b | 322 | /* size[4] Tversion tag[2] msize[4] version[s] */ |
dfbe8b43 | 323 | static P9Req *v9fs_tversion(QVirtio9P *v9p, uint32_t msize, const char *version, |
693b21d2 | 324 | uint16_t tag) |
6cc9906b | 325 | { |
9ea776ee GK |
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); | |
6cc9906b GK |
333 | |
334 | v9fs_uint32_write(req, msize); | |
335 | v9fs_string_write(req, version); | |
336 | v9fs_req_send(req); | |
337 | return req; | |
338 | } | |
339 | ||
340 | /* size[4] Rversion tag[2] msize[4] version[s] */ | |
341 | static 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 | ||
5c3df1f0 | 357 | /* size[4] Tattach tag[2] fid[4] afid[4] uname[s] aname[s] n_uname[4] */ |
dfbe8b43 | 358 | static P9Req *v9fs_tattach(QVirtio9P *v9p, uint32_t fid, uint32_t n_uname, |
693b21d2 | 359 | uint16_t tag) |
5c3df1f0 GK |
360 | { |
361 | const char *uname = ""; /* ignored by QEMU */ | |
362 | const char *aname = ""; /* ignored by QEMU */ | |
693b21d2 | 363 | P9Req *req = v9fs_req_init(v9p, 4 + 4 + 2 + 2 + 4, P9_TATTACH, tag); |
5c3df1f0 GK |
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 | typedef char v9fs_qid[13]; | |
375 | ||
376 | /* size[4] Rattach tag[2] qid[13] */ | |
377 | static void v9fs_rattach(P9Req *req, v9fs_qid *qid) | |
378 | { | |
379 | v9fs_req_recv(req, P9_RATTACH); | |
380 | if (qid) { | |
381 | v9fs_memread(req, qid, 13); | |
382 | } | |
383 | v9fs_req_free(req); | |
384 | } | |
385 | ||
04b88c84 | 386 | /* size[4] Twalk tag[2] fid[4] newfid[4] nwname[2] nwname*(wname[s]) */ |
dfbe8b43 | 387 | static P9Req *v9fs_twalk(QVirtio9P *v9p, uint32_t fid, uint32_t newfid, |
693b21d2 | 388 | uint16_t nwname, char *const wnames[], uint16_t tag) |
04b88c84 GK |
389 | { |
390 | P9Req *req; | |
391 | int i; | |
9ea776ee | 392 | uint32_t body_size = 4 + 4 + 2; |
04b88c84 GK |
393 | |
394 | for (i = 0; i < nwname; i++) { | |
9ea776ee GK |
395 | uint16_t wname_size = v9fs_string_size(wnames[i]); |
396 | ||
397 | g_assert_cmpint(body_size, <=, UINT32_MAX - wname_size); | |
398 | body_size += wname_size; | |
04b88c84 | 399 | } |
9ea776ee | 400 | req = v9fs_req_init(v9p, body_size, P9_TWALK, tag); |
04b88c84 GK |
401 | v9fs_uint32_write(req, fid); |
402 | v9fs_uint32_write(req, newfid); | |
403 | v9fs_uint16_write(req, nwname); | |
404 | for (i = 0; i < nwname; i++) { | |
405 | v9fs_string_write(req, wnames[i]); | |
406 | } | |
407 | v9fs_req_send(req); | |
408 | return req; | |
409 | } | |
410 | ||
411 | /* size[4] Rwalk tag[2] nwqid[2] nwqid*(wqid[13]) */ | |
412 | static void v9fs_rwalk(P9Req *req, uint16_t *nwqid, v9fs_qid **wqid) | |
413 | { | |
414 | uint16_t local_nwqid; | |
415 | ||
416 | v9fs_req_recv(req, P9_RWALK); | |
417 | v9fs_uint16_read(req, &local_nwqid); | |
418 | if (nwqid) { | |
419 | *nwqid = local_nwqid; | |
420 | } | |
421 | if (wqid) { | |
422 | *wqid = g_malloc(local_nwqid * 13); | |
423 | v9fs_memread(req, *wqid, local_nwqid * 13); | |
424 | } | |
425 | v9fs_req_free(req); | |
426 | } | |
427 | ||
4829469f CS |
428 | /* size[4] Treaddir tag[2] fid[4] offset[8] count[4] */ |
429 | static P9Req *v9fs_treaddir(QVirtio9P *v9p, uint32_t fid, uint64_t offset, | |
430 | uint32_t count, uint16_t tag) | |
431 | { | |
432 | P9Req *req; | |
433 | ||
434 | req = v9fs_req_init(v9p, 4 + 8 + 4, P9_TREADDIR, tag); | |
435 | v9fs_uint32_write(req, fid); | |
436 | v9fs_uint64_write(req, offset); | |
437 | v9fs_uint32_write(req, count); | |
438 | v9fs_req_send(req); | |
439 | return req; | |
440 | } | |
441 | ||
442 | struct V9fsDirent { | |
443 | v9fs_qid qid; | |
444 | uint64_t offset; | |
445 | uint8_t type; | |
446 | char *name; | |
447 | struct V9fsDirent *next; | |
448 | }; | |
449 | ||
450 | /* size[4] Rreaddir tag[2] count[4] data[count] */ | |
451 | static void v9fs_rreaddir(P9Req *req, uint32_t *count, uint32_t *nentries, | |
452 | struct V9fsDirent **entries) | |
453 | { | |
454 | uint32_t local_count; | |
455 | struct V9fsDirent *e = NULL; | |
456 | uint16_t slen; | |
457 | uint32_t n = 0; | |
458 | ||
459 | v9fs_req_recv(req, P9_RREADDIR); | |
460 | v9fs_uint32_read(req, &local_count); | |
461 | ||
462 | if (count) { | |
463 | *count = local_count; | |
464 | } | |
465 | ||
466 | for (int32_t togo = (int32_t)local_count; | |
467 | togo >= 13 + 8 + 1 + 2; | |
468 | togo -= 13 + 8 + 1 + 2 + slen, ++n) | |
469 | { | |
470 | if (!e) { | |
1366244a | 471 | e = g_new(struct V9fsDirent, 1); |
4829469f CS |
472 | if (entries) { |
473 | *entries = e; | |
474 | } | |
475 | } else { | |
1366244a | 476 | e = e->next = g_new(struct V9fsDirent, 1); |
4829469f CS |
477 | } |
478 | e->next = NULL; | |
479 | /* qid[13] offset[8] type[1] name[s] */ | |
480 | v9fs_memread(req, &e->qid, 13); | |
481 | v9fs_uint64_read(req, &e->offset); | |
482 | v9fs_uint8_read(req, &e->type); | |
483 | v9fs_string_read(req, &slen, &e->name); | |
484 | } | |
485 | ||
486 | if (nentries) { | |
487 | *nentries = n; | |
488 | } | |
489 | ||
490 | v9fs_req_free(req); | |
491 | } | |
492 | ||
493 | static void v9fs_free_dirents(struct V9fsDirent *e) | |
494 | { | |
495 | struct V9fsDirent *next = NULL; | |
496 | ||
497 | for (; e; e = next) { | |
498 | next = e->next; | |
499 | g_free(e->name); | |
500 | g_free(e); | |
501 | } | |
502 | } | |
503 | ||
82469aae | 504 | /* size[4] Tlopen tag[2] fid[4] flags[4] */ |
dfbe8b43 | 505 | static P9Req *v9fs_tlopen(QVirtio9P *v9p, uint32_t fid, uint32_t flags, |
82469aae GK |
506 | uint16_t tag) |
507 | { | |
508 | P9Req *req; | |
509 | ||
510 | req = v9fs_req_init(v9p, 4 + 4, P9_TLOPEN, tag); | |
511 | v9fs_uint32_write(req, fid); | |
512 | v9fs_uint32_write(req, flags); | |
513 | v9fs_req_send(req); | |
514 | return req; | |
515 | } | |
516 | ||
517 | /* size[4] Rlopen tag[2] qid[13] iounit[4] */ | |
518 | static void v9fs_rlopen(P9Req *req, v9fs_qid *qid, uint32_t *iounit) | |
519 | { | |
520 | v9fs_req_recv(req, P9_RLOPEN); | |
521 | if (qid) { | |
522 | v9fs_memread(req, qid, 13); | |
523 | } else { | |
524 | v9fs_memskip(req, 13); | |
525 | } | |
526 | if (iounit) { | |
527 | v9fs_uint32_read(req, iounit); | |
528 | } | |
529 | v9fs_req_free(req); | |
530 | } | |
531 | ||
354b86f8 | 532 | /* size[4] Twrite tag[2] fid[4] offset[8] count[4] data[count] */ |
dfbe8b43 | 533 | static P9Req *v9fs_twrite(QVirtio9P *v9p, uint32_t fid, uint64_t offset, |
354b86f8 GK |
534 | uint32_t count, const void *data, uint16_t tag) |
535 | { | |
536 | P9Req *req; | |
537 | uint32_t body_size = 4 + 8 + 4; | |
538 | ||
539 | g_assert_cmpint(body_size, <=, UINT32_MAX - count); | |
540 | body_size += count; | |
541 | req = v9fs_req_init(v9p, body_size, P9_TWRITE, tag); | |
542 | v9fs_uint32_write(req, fid); | |
543 | v9fs_uint64_write(req, offset); | |
544 | v9fs_uint32_write(req, count); | |
545 | v9fs_memwrite(req, data, count); | |
546 | v9fs_req_send(req); | |
547 | return req; | |
548 | } | |
549 | ||
550 | /* size[4] Rwrite tag[2] count[4] */ | |
551 | static void v9fs_rwrite(P9Req *req, uint32_t *count) | |
552 | { | |
553 | v9fs_req_recv(req, P9_RWRITE); | |
554 | if (count) { | |
555 | v9fs_uint32_read(req, count); | |
556 | } | |
557 | v9fs_req_free(req); | |
558 | } | |
559 | ||
357e2f7f | 560 | /* size[4] Tflush tag[2] oldtag[2] */ |
dfbe8b43 | 561 | static P9Req *v9fs_tflush(QVirtio9P *v9p, uint16_t oldtag, uint16_t tag) |
357e2f7f GK |
562 | { |
563 | P9Req *req; | |
564 | ||
565 | req = v9fs_req_init(v9p, 2, P9_TFLUSH, tag); | |
566 | v9fs_uint32_write(req, oldtag); | |
567 | v9fs_req_send(req); | |
568 | return req; | |
569 | } | |
570 | ||
571 | /* size[4] Rflush tag[2] */ | |
572 | static void v9fs_rflush(P9Req *req) | |
573 | { | |
574 | v9fs_req_recv(req, P9_RFLUSH); | |
575 | v9fs_req_free(req); | |
576 | } | |
577 | ||
1c450e6e | 578 | static void do_version(QVirtio9P *v9p) |
6cc9906b GK |
579 | { |
580 | const char *version = "9P2000.L"; | |
581 | uint16_t server_len; | |
65ceee0a | 582 | g_autofree char *server_version = NULL; |
6cc9906b GK |
583 | P9Req *req; |
584 | ||
693b21d2 | 585 | req = v9fs_tversion(v9p, P9_MAX_SIZE, version, P9_NOTAG); |
357e2f7f | 586 | v9fs_req_wait_for_reply(req, NULL); |
6cc9906b GK |
587 | v9fs_rversion(req, &server_len, &server_version); |
588 | ||
589 | g_assert_cmpmem(server_version, server_len, version, strlen(version)); | |
6cc9906b GK |
590 | } |
591 | ||
20018805 CS |
592 | /* utility function: walk to requested dir and return fid for that dir */ |
593 | static uint32_t do_walk(QVirtio9P *v9p, const char *path) | |
594 | { | |
595 | char **wnames; | |
596 | P9Req *req; | |
597 | const uint32_t fid = genfid(); | |
598 | ||
599 | int nwnames = split(path, "/", &wnames); | |
600 | ||
601 | req = v9fs_twalk(v9p, 0, fid, nwnames, wnames, 0); | |
602 | v9fs_req_wait_for_reply(req, NULL); | |
603 | v9fs_rwalk(req, NULL, NULL); | |
604 | ||
605 | split_free(&wnames); | |
606 | return fid; | |
607 | } | |
608 | ||
9472a689 CS |
609 | /* utility function: walk to requested dir and expect passed error response */ |
610 | static void do_walk_expect_error(QVirtio9P *v9p, const char *path, uint32_t err) | |
611 | { | |
612 | char **wnames; | |
613 | P9Req *req; | |
614 | uint32_t _err; | |
615 | const uint32_t fid = genfid(); | |
616 | ||
617 | int nwnames = split(path, "/", &wnames); | |
618 | ||
619 | req = v9fs_twalk(v9p, 0, fid, nwnames, wnames, 0); | |
620 | v9fs_req_wait_for_reply(req, NULL); | |
621 | v9fs_rlerror(req, &_err); | |
622 | ||
623 | g_assert_cmpint(_err, ==, err); | |
624 | ||
625 | split_free(&wnames); | |
626 | } | |
627 | ||
1c450e6e GK |
628 | static void fs_version(void *obj, void *data, QGuestAllocator *t_alloc) |
629 | { | |
630 | alloc = t_alloc; | |
631 | do_version(obj); | |
632 | } | |
633 | ||
3fe4baf4 | 634 | static void do_attach(QVirtio9P *v9p) |
5c3df1f0 GK |
635 | { |
636 | P9Req *req; | |
637 | ||
1c450e6e | 638 | do_version(v9p); |
693b21d2 | 639 | req = v9fs_tattach(v9p, 0, getuid(), 0); |
357e2f7f | 640 | v9fs_req_wait_for_reply(req, NULL); |
5c3df1f0 GK |
641 | v9fs_rattach(req, NULL); |
642 | } | |
643 | ||
3fe4baf4 GK |
644 | static void fs_attach(void *obj, void *data, QGuestAllocator *t_alloc) |
645 | { | |
646 | alloc = t_alloc; | |
647 | do_attach(obj); | |
648 | } | |
649 | ||
dfbe8b43 | 650 | static void fs_walk(void *obj, void *data, QGuestAllocator *t_alloc) |
04b88c84 | 651 | { |
dfbe8b43 EGE |
652 | QVirtio9P *v9p = obj; |
653 | alloc = t_alloc; | |
2893ddd5 | 654 | char *wnames[P9_MAXWELEM]; |
04b88c84 | 655 | uint16_t nwqid; |
65ceee0a | 656 | g_autofree v9fs_qid *wqid = NULL; |
04b88c84 GK |
657 | int i; |
658 | P9Req *req; | |
659 | ||
660 | for (i = 0; i < P9_MAXWELEM; i++) { | |
2893ddd5 | 661 | wnames[i] = g_strdup_printf(QTEST_V9FS_SYNTH_WALK_FILE, i); |
04b88c84 GK |
662 | } |
663 | ||
3fe4baf4 | 664 | do_attach(v9p); |
693b21d2 | 665 | req = v9fs_twalk(v9p, 0, 1, P9_MAXWELEM, wnames, 0); |
357e2f7f | 666 | v9fs_req_wait_for_reply(req, NULL); |
04b88c84 GK |
667 | v9fs_rwalk(req, &nwqid, &wqid); |
668 | ||
669 | g_assert_cmpint(nwqid, ==, P9_MAXWELEM); | |
670 | ||
671 | for (i = 0; i < P9_MAXWELEM; i++) { | |
04b88c84 GK |
672 | g_free(wnames[i]); |
673 | } | |
04b88c84 GK |
674 | } |
675 | ||
4829469f CS |
676 | static bool fs_dirents_contain_name(struct V9fsDirent *e, const char* name) |
677 | { | |
678 | for (; e; e = e->next) { | |
679 | if (!strcmp(e->name, name)) { | |
680 | return true; | |
681 | } | |
682 | } | |
683 | return false; | |
684 | } | |
685 | ||
653daf38 CS |
686 | /* size[4] Tmkdir tag[2] dfid[4] name[s] mode[4] gid[4] */ |
687 | static P9Req *v9fs_tmkdir(QVirtio9P *v9p, uint32_t dfid, const char *name, | |
688 | uint32_t mode, uint32_t gid, uint16_t tag) | |
689 | { | |
690 | P9Req *req; | |
691 | ||
692 | uint32_t body_size = 4 + 4 + 4; | |
693 | uint16_t string_size = v9fs_string_size(name); | |
694 | ||
695 | g_assert_cmpint(body_size, <=, UINT32_MAX - string_size); | |
696 | body_size += string_size; | |
697 | ||
698 | req = v9fs_req_init(v9p, body_size, P9_TMKDIR, tag); | |
699 | v9fs_uint32_write(req, dfid); | |
700 | v9fs_string_write(req, name); | |
701 | v9fs_uint32_write(req, mode); | |
702 | v9fs_uint32_write(req, gid); | |
703 | v9fs_req_send(req); | |
704 | return req; | |
705 | } | |
706 | ||
707 | /* size[4] Rmkdir tag[2] qid[13] */ | |
708 | static void v9fs_rmkdir(P9Req *req, v9fs_qid *qid) | |
709 | { | |
710 | v9fs_req_recv(req, P9_RMKDIR); | |
711 | if (qid) { | |
712 | v9fs_memread(req, qid, 13); | |
713 | } else { | |
714 | v9fs_memskip(req, 13); | |
715 | } | |
716 | v9fs_req_free(req); | |
717 | } | |
718 | ||
b09dbfdd CS |
719 | /* size[4] Tlcreate tag[2] fid[4] name[s] flags[4] mode[4] gid[4] */ |
720 | static P9Req *v9fs_tlcreate(QVirtio9P *v9p, uint32_t fid, const char *name, | |
721 | uint32_t flags, uint32_t mode, uint32_t gid, | |
722 | uint16_t tag) | |
723 | { | |
724 | P9Req *req; | |
725 | ||
726 | uint32_t body_size = 4 + 4 + 4 + 4; | |
727 | uint16_t string_size = v9fs_string_size(name); | |
728 | ||
729 | g_assert_cmpint(body_size, <=, UINT32_MAX - string_size); | |
730 | body_size += string_size; | |
731 | ||
732 | req = v9fs_req_init(v9p, body_size, P9_TLCREATE, tag); | |
733 | v9fs_uint32_write(req, fid); | |
734 | v9fs_string_write(req, name); | |
735 | v9fs_uint32_write(req, flags); | |
736 | v9fs_uint32_write(req, mode); | |
737 | v9fs_uint32_write(req, gid); | |
738 | v9fs_req_send(req); | |
739 | return req; | |
740 | } | |
741 | ||
742 | /* size[4] Rlcreate tag[2] qid[13] iounit[4] */ | |
743 | static void v9fs_rlcreate(P9Req *req, v9fs_qid *qid, uint32_t *iounit) | |
744 | { | |
745 | v9fs_req_recv(req, P9_RLCREATE); | |
746 | if (qid) { | |
747 | v9fs_memread(req, qid, 13); | |
748 | } else { | |
749 | v9fs_memskip(req, 13); | |
750 | } | |
751 | if (iounit) { | |
752 | v9fs_uint32_read(req, iounit); | |
753 | } | |
754 | v9fs_req_free(req); | |
755 | } | |
756 | ||
59ff563d CS |
757 | /* size[4] Tsymlink tag[2] fid[4] name[s] symtgt[s] gid[4] */ |
758 | static P9Req *v9fs_tsymlink(QVirtio9P *v9p, uint32_t fid, const char *name, | |
759 | const char *symtgt, uint32_t gid, uint16_t tag) | |
760 | { | |
761 | P9Req *req; | |
762 | ||
763 | uint32_t body_size = 4 + 4; | |
764 | uint16_t string_size = v9fs_string_size(name) + v9fs_string_size(symtgt); | |
765 | ||
766 | g_assert_cmpint(body_size, <=, UINT32_MAX - string_size); | |
767 | body_size += string_size; | |
768 | ||
769 | req = v9fs_req_init(v9p, body_size, P9_TSYMLINK, tag); | |
770 | v9fs_uint32_write(req, fid); | |
771 | v9fs_string_write(req, name); | |
772 | v9fs_string_write(req, symtgt); | |
773 | v9fs_uint32_write(req, gid); | |
774 | v9fs_req_send(req); | |
775 | return req; | |
776 | } | |
777 | ||
778 | /* size[4] Rsymlink tag[2] qid[13] */ | |
779 | static void v9fs_rsymlink(P9Req *req, v9fs_qid *qid) | |
780 | { | |
781 | v9fs_req_recv(req, P9_RSYMLINK); | |
782 | if (qid) { | |
783 | v9fs_memread(req, qid, 13); | |
784 | } else { | |
785 | v9fs_memskip(req, 13); | |
786 | } | |
787 | v9fs_req_free(req); | |
788 | } | |
789 | ||
64e3d403 CS |
790 | /* size[4] Tlink tag[2] dfid[4] fid[4] name[s] */ |
791 | static P9Req *v9fs_tlink(QVirtio9P *v9p, uint32_t dfid, uint32_t fid, | |
792 | const char *name, uint16_t tag) | |
793 | { | |
794 | P9Req *req; | |
795 | ||
796 | uint32_t body_size = 4 + 4; | |
797 | uint16_t string_size = v9fs_string_size(name); | |
798 | ||
799 | g_assert_cmpint(body_size, <=, UINT32_MAX - string_size); | |
800 | body_size += string_size; | |
801 | ||
802 | req = v9fs_req_init(v9p, body_size, P9_TLINK, tag); | |
803 | v9fs_uint32_write(req, dfid); | |
804 | v9fs_uint32_write(req, fid); | |
805 | v9fs_string_write(req, name); | |
806 | v9fs_req_send(req); | |
807 | return req; | |
808 | } | |
809 | ||
810 | /* size[4] Rlink tag[2] */ | |
811 | static void v9fs_rlink(P9Req *req) | |
812 | { | |
813 | v9fs_req_recv(req, P9_RLINK); | |
814 | v9fs_req_free(req); | |
815 | } | |
816 | ||
b37d62d6 CS |
817 | /* size[4] Tunlinkat tag[2] dirfd[4] name[s] flags[4] */ |
818 | static P9Req *v9fs_tunlinkat(QVirtio9P *v9p, uint32_t dirfd, const char *name, | |
819 | uint32_t flags, uint16_t tag) | |
820 | { | |
821 | P9Req *req; | |
822 | ||
823 | uint32_t body_size = 4 + 4; | |
824 | uint16_t string_size = v9fs_string_size(name); | |
825 | ||
826 | g_assert_cmpint(body_size, <=, UINT32_MAX - string_size); | |
827 | body_size += string_size; | |
828 | ||
829 | req = v9fs_req_init(v9p, body_size, P9_TUNLINKAT, tag); | |
830 | v9fs_uint32_write(req, dirfd); | |
831 | v9fs_string_write(req, name); | |
832 | v9fs_uint32_write(req, flags); | |
833 | v9fs_req_send(req); | |
834 | return req; | |
835 | } | |
836 | ||
837 | /* size[4] Runlinkat tag[2] */ | |
838 | static void v9fs_runlinkat(P9Req *req) | |
839 | { | |
840 | v9fs_req_recv(req, P9_RUNLINKAT); | |
841 | v9fs_req_free(req); | |
842 | } | |
843 | ||
46488b62 | 844 | /* basic readdir test where reply fits into a single response message */ |
4829469f CS |
845 | static void fs_readdir(void *obj, void *data, QGuestAllocator *t_alloc) |
846 | { | |
847 | QVirtio9P *v9p = obj; | |
848 | alloc = t_alloc; | |
849 | char *const wnames[] = { g_strdup(QTEST_V9FS_SYNTH_READDIR_DIR) }; | |
850 | uint16_t nqid; | |
851 | v9fs_qid qid; | |
852 | uint32_t count, nentries; | |
853 | struct V9fsDirent *entries = NULL; | |
854 | P9Req *req; | |
855 | ||
3fe4baf4 | 856 | do_attach(v9p); |
4829469f CS |
857 | req = v9fs_twalk(v9p, 0, 1, 1, wnames, 0); |
858 | v9fs_req_wait_for_reply(req, NULL); | |
859 | v9fs_rwalk(req, &nqid, NULL); | |
860 | g_assert_cmpint(nqid, ==, 1); | |
861 | ||
862 | req = v9fs_tlopen(v9p, 1, O_DIRECTORY, 0); | |
863 | v9fs_req_wait_for_reply(req, NULL); | |
864 | v9fs_rlopen(req, &qid, NULL); | |
865 | ||
866 | /* | |
867 | * submit count = msize - 11, because 11 is the header size of Rreaddir | |
868 | */ | |
869 | req = v9fs_treaddir(v9p, 1, 0, P9_MAX_SIZE - 11, 0); | |
870 | v9fs_req_wait_for_reply(req, NULL); | |
871 | v9fs_rreaddir(req, &count, &nentries, &entries); | |
872 | ||
873 | /* | |
874 | * Assuming msize (P9_MAX_SIZE) is large enough so we can retrieve all | |
875 | * dir entries with only one readdir request. | |
876 | */ | |
877 | g_assert_cmpint( | |
878 | nentries, ==, | |
879 | QTEST_V9FS_SYNTH_READDIR_NFILES + 2 /* "." and ".." */ | |
880 | ); | |
881 | ||
882 | /* | |
883 | * Check all file names exist in returned entries, ignore their order | |
884 | * though. | |
885 | */ | |
886 | g_assert_cmpint(fs_dirents_contain_name(entries, "."), ==, true); | |
887 | g_assert_cmpint(fs_dirents_contain_name(entries, ".."), ==, true); | |
888 | for (int i = 0; i < QTEST_V9FS_SYNTH_READDIR_NFILES; ++i) { | |
65ceee0a CS |
889 | g_autofree char *name = |
890 | g_strdup_printf(QTEST_V9FS_SYNTH_READDIR_FILE, i); | |
4829469f | 891 | g_assert_cmpint(fs_dirents_contain_name(entries, name), ==, true); |
4829469f CS |
892 | } |
893 | ||
894 | v9fs_free_dirents(entries); | |
895 | g_free(wnames[0]); | |
896 | } | |
897 | ||
46488b62 | 898 | /* readdir test where overall request is split over several messages */ |
1d98613d | 899 | static void do_readdir_split(QVirtio9P *v9p, uint32_t count) |
46488b62 | 900 | { |
46488b62 CS |
901 | char *const wnames[] = { g_strdup(QTEST_V9FS_SYNTH_READDIR_DIR) }; |
902 | uint16_t nqid; | |
903 | v9fs_qid qid; | |
904 | uint32_t nentries, npartialentries; | |
905 | struct V9fsDirent *entries, *tail, *partialentries; | |
906 | P9Req *req; | |
907 | int fid; | |
908 | uint64_t offset; | |
909 | ||
3fe4baf4 | 910 | do_attach(v9p); |
46488b62 CS |
911 | |
912 | fid = 1; | |
913 | offset = 0; | |
914 | entries = NULL; | |
915 | nentries = 0; | |
916 | tail = NULL; | |
917 | ||
918 | req = v9fs_twalk(v9p, 0, fid, 1, wnames, 0); | |
919 | v9fs_req_wait_for_reply(req, NULL); | |
920 | v9fs_rwalk(req, &nqid, NULL); | |
921 | g_assert_cmpint(nqid, ==, 1); | |
922 | ||
923 | req = v9fs_tlopen(v9p, fid, O_DIRECTORY, 0); | |
924 | v9fs_req_wait_for_reply(req, NULL); | |
925 | v9fs_rlopen(req, &qid, NULL); | |
926 | ||
927 | /* | |
928 | * send as many Treaddir requests as required to get all directory | |
929 | * entries | |
930 | */ | |
931 | while (true) { | |
932 | npartialentries = 0; | |
933 | partialentries = NULL; | |
934 | ||
935 | req = v9fs_treaddir(v9p, fid, offset, count, 0); | |
936 | v9fs_req_wait_for_reply(req, NULL); | |
937 | v9fs_rreaddir(req, &count, &npartialentries, &partialentries); | |
938 | if (npartialentries > 0 && partialentries) { | |
939 | if (!entries) { | |
940 | entries = partialentries; | |
941 | nentries = npartialentries; | |
942 | tail = partialentries; | |
943 | } else { | |
944 | tail->next = partialentries; | |
945 | nentries += npartialentries; | |
946 | } | |
947 | while (tail->next) { | |
948 | tail = tail->next; | |
949 | } | |
950 | offset = tail->offset; | |
951 | } else { | |
952 | break; | |
953 | } | |
954 | } | |
955 | ||
956 | g_assert_cmpint( | |
957 | nentries, ==, | |
958 | QTEST_V9FS_SYNTH_READDIR_NFILES + 2 /* "." and ".." */ | |
959 | ); | |
960 | ||
961 | /* | |
962 | * Check all file names exist in returned entries, ignore their order | |
963 | * though. | |
964 | */ | |
965 | g_assert_cmpint(fs_dirents_contain_name(entries, "."), ==, true); | |
966 | g_assert_cmpint(fs_dirents_contain_name(entries, ".."), ==, true); | |
967 | for (int i = 0; i < QTEST_V9FS_SYNTH_READDIR_NFILES; ++i) { | |
968 | char *name = g_strdup_printf(QTEST_V9FS_SYNTH_READDIR_FILE, i); | |
969 | g_assert_cmpint(fs_dirents_contain_name(entries, name), ==, true); | |
970 | g_free(name); | |
971 | } | |
972 | ||
973 | v9fs_free_dirents(entries); | |
974 | ||
975 | g_free(wnames[0]); | |
976 | } | |
977 | ||
dfbe8b43 | 978 | static void fs_walk_no_slash(void *obj, void *data, QGuestAllocator *t_alloc) |
ba0d1037 | 979 | { |
dfbe8b43 EGE |
980 | QVirtio9P *v9p = obj; |
981 | alloc = t_alloc; | |
ba0d1037 GK |
982 | char *const wnames[] = { g_strdup(" /") }; |
983 | P9Req *req; | |
984 | uint32_t err; | |
985 | ||
3fe4baf4 | 986 | do_attach(v9p); |
693b21d2 | 987 | req = v9fs_twalk(v9p, 0, 1, 1, wnames, 0); |
357e2f7f | 988 | v9fs_req_wait_for_reply(req, NULL); |
ba0d1037 GK |
989 | v9fs_rlerror(req, &err); |
990 | ||
991 | g_assert_cmpint(err, ==, ENOENT); | |
992 | ||
993 | g_free(wnames[0]); | |
994 | } | |
995 | ||
9472a689 CS |
996 | static void fs_walk_nonexistent(void *obj, void *data, QGuestAllocator *t_alloc) |
997 | { | |
998 | QVirtio9P *v9p = obj; | |
999 | alloc = t_alloc; | |
1000 | ||
1001 | do_attach(v9p); | |
1002 | do_walk_expect_error(v9p, "non-existent", ENOENT); | |
1003 | } | |
1004 | ||
dfbe8b43 | 1005 | static void fs_walk_dotdot(void *obj, void *data, QGuestAllocator *t_alloc) |
a37c0702 | 1006 | { |
dfbe8b43 EGE |
1007 | QVirtio9P *v9p = obj; |
1008 | alloc = t_alloc; | |
a37c0702 | 1009 | char *const wnames[] = { g_strdup("..") }; |
65ceee0a CS |
1010 | v9fs_qid root_qid; |
1011 | g_autofree v9fs_qid *wqid = NULL; | |
a37c0702 GK |
1012 | P9Req *req; |
1013 | ||
1c450e6e | 1014 | do_version(v9p); |
693b21d2 | 1015 | req = v9fs_tattach(v9p, 0, getuid(), 0); |
357e2f7f | 1016 | v9fs_req_wait_for_reply(req, NULL); |
a37c0702 GK |
1017 | v9fs_rattach(req, &root_qid); |
1018 | ||
693b21d2 | 1019 | req = v9fs_twalk(v9p, 0, 1, 1, wnames, 0); |
357e2f7f | 1020 | v9fs_req_wait_for_reply(req, NULL); |
a37c0702 GK |
1021 | v9fs_rwalk(req, NULL, &wqid); /* We now we'll get one qid */ |
1022 | ||
1023 | g_assert_cmpmem(&root_qid, 13, wqid[0], 13); | |
1024 | ||
a37c0702 GK |
1025 | g_free(wnames[0]); |
1026 | } | |
1027 | ||
dfbe8b43 | 1028 | static void fs_lopen(void *obj, void *data, QGuestAllocator *t_alloc) |
82469aae | 1029 | { |
dfbe8b43 EGE |
1030 | QVirtio9P *v9p = obj; |
1031 | alloc = t_alloc; | |
82469aae GK |
1032 | char *const wnames[] = { g_strdup(QTEST_V9FS_SYNTH_LOPEN_FILE) }; |
1033 | P9Req *req; | |
1034 | ||
3fe4baf4 | 1035 | do_attach(v9p); |
82469aae | 1036 | req = v9fs_twalk(v9p, 0, 1, 1, wnames, 0); |
357e2f7f | 1037 | v9fs_req_wait_for_reply(req, NULL); |
82469aae GK |
1038 | v9fs_rwalk(req, NULL, NULL); |
1039 | ||
1040 | req = v9fs_tlopen(v9p, 1, O_WRONLY, 0); | |
357e2f7f | 1041 | v9fs_req_wait_for_reply(req, NULL); |
82469aae GK |
1042 | v9fs_rlopen(req, NULL, NULL); |
1043 | ||
1044 | g_free(wnames[0]); | |
1045 | } | |
1046 | ||
dfbe8b43 | 1047 | static void fs_write(void *obj, void *data, QGuestAllocator *t_alloc) |
354b86f8 | 1048 | { |
dfbe8b43 EGE |
1049 | QVirtio9P *v9p = obj; |
1050 | alloc = t_alloc; | |
354b86f8 GK |
1051 | static const uint32_t write_count = P9_MAX_SIZE / 2; |
1052 | char *const wnames[] = { g_strdup(QTEST_V9FS_SYNTH_WRITE_FILE) }; | |
65ceee0a | 1053 | g_autofree char *buf = g_malloc0(write_count); |
354b86f8 GK |
1054 | uint32_t count; |
1055 | P9Req *req; | |
1056 | ||
3fe4baf4 | 1057 | do_attach(v9p); |
354b86f8 | 1058 | req = v9fs_twalk(v9p, 0, 1, 1, wnames, 0); |
357e2f7f | 1059 | v9fs_req_wait_for_reply(req, NULL); |
354b86f8 GK |
1060 | v9fs_rwalk(req, NULL, NULL); |
1061 | ||
1062 | req = v9fs_tlopen(v9p, 1, O_WRONLY, 0); | |
357e2f7f | 1063 | v9fs_req_wait_for_reply(req, NULL); |
354b86f8 GK |
1064 | v9fs_rlopen(req, NULL, NULL); |
1065 | ||
1066 | req = v9fs_twrite(v9p, 1, 0, write_count, buf, 0); | |
357e2f7f | 1067 | v9fs_req_wait_for_reply(req, NULL); |
354b86f8 GK |
1068 | v9fs_rwrite(req, &count); |
1069 | g_assert_cmpint(count, ==, write_count); | |
1070 | ||
354b86f8 GK |
1071 | g_free(wnames[0]); |
1072 | } | |
1073 | ||
dfbe8b43 | 1074 | static void fs_flush_success(void *obj, void *data, QGuestAllocator *t_alloc) |
357e2f7f | 1075 | { |
dfbe8b43 EGE |
1076 | QVirtio9P *v9p = obj; |
1077 | alloc = t_alloc; | |
357e2f7f GK |
1078 | char *const wnames[] = { g_strdup(QTEST_V9FS_SYNTH_FLUSH_FILE) }; |
1079 | P9Req *req, *flush_req; | |
1080 | uint32_t reply_len; | |
1081 | uint8_t should_block; | |
1082 | ||
3fe4baf4 | 1083 | do_attach(v9p); |
357e2f7f GK |
1084 | req = v9fs_twalk(v9p, 0, 1, 1, wnames, 0); |
1085 | v9fs_req_wait_for_reply(req, NULL); | |
1086 | v9fs_rwalk(req, NULL, NULL); | |
1087 | ||
1088 | req = v9fs_tlopen(v9p, 1, O_WRONLY, 0); | |
1089 | v9fs_req_wait_for_reply(req, NULL); | |
1090 | v9fs_rlopen(req, NULL, NULL); | |
1091 | ||
1092 | /* This will cause the 9p server to try to write data to the backend, | |
1093 | * until the write request gets cancelled. | |
1094 | */ | |
1095 | should_block = 1; | |
1096 | req = v9fs_twrite(v9p, 1, 0, sizeof(should_block), &should_block, 0); | |
1097 | ||
1098 | flush_req = v9fs_tflush(v9p, req->tag, 1); | |
1099 | ||
1100 | /* The write request is supposed to be flushed: the server should just | |
1101 | * mark the write request as used and reply to the flush request. | |
1102 | */ | |
1103 | v9fs_req_wait_for_reply(req, &reply_len); | |
1104 | g_assert_cmpint(reply_len, ==, 0); | |
1105 | v9fs_req_free(req); | |
1106 | v9fs_rflush(flush_req); | |
1107 | ||
1108 | g_free(wnames[0]); | |
1109 | } | |
1110 | ||
dfbe8b43 | 1111 | static void fs_flush_ignored(void *obj, void *data, QGuestAllocator *t_alloc) |
357e2f7f | 1112 | { |
dfbe8b43 EGE |
1113 | QVirtio9P *v9p = obj; |
1114 | alloc = t_alloc; | |
357e2f7f GK |
1115 | char *const wnames[] = { g_strdup(QTEST_V9FS_SYNTH_FLUSH_FILE) }; |
1116 | P9Req *req, *flush_req; | |
1117 | uint32_t count; | |
1118 | uint8_t should_block; | |
1119 | ||
3fe4baf4 | 1120 | do_attach(v9p); |
357e2f7f GK |
1121 | req = v9fs_twalk(v9p, 0, 1, 1, wnames, 0); |
1122 | v9fs_req_wait_for_reply(req, NULL); | |
1123 | v9fs_rwalk(req, NULL, NULL); | |
1124 | ||
1125 | req = v9fs_tlopen(v9p, 1, O_WRONLY, 0); | |
1126 | v9fs_req_wait_for_reply(req, NULL); | |
1127 | v9fs_rlopen(req, NULL, NULL); | |
1128 | ||
1129 | /* This will cause the write request to complete right away, before it | |
1130 | * could be actually cancelled. | |
1131 | */ | |
1132 | should_block = 0; | |
1133 | req = v9fs_twrite(v9p, 1, 0, sizeof(should_block), &should_block, 0); | |
1134 | ||
1135 | flush_req = v9fs_tflush(v9p, req->tag, 1); | |
1136 | ||
1137 | /* The write request is supposed to complete. The server should | |
1138 | * reply to the write request and the flush request. | |
1139 | */ | |
1140 | v9fs_req_wait_for_reply(req, NULL); | |
1141 | v9fs_rwrite(req, &count); | |
1142 | g_assert_cmpint(count, ==, sizeof(should_block)); | |
1143 | v9fs_rflush(flush_req); | |
1144 | ||
1145 | g_free(wnames[0]); | |
1146 | } | |
1147 | ||
c1934f63 | 1148 | static void do_mkdir(QVirtio9P *v9p, const char *path, const char *cname) |
653daf38 | 1149 | { |
65ceee0a | 1150 | g_autofree char *name = g_strdup(cname); |
20018805 | 1151 | uint32_t fid; |
653daf38 | 1152 | P9Req *req; |
653daf38 | 1153 | |
20018805 | 1154 | fid = do_walk(v9p, path); |
653daf38 CS |
1155 | |
1156 | req = v9fs_tmkdir(v9p, fid, name, 0750, 0, 0); | |
1157 | v9fs_req_wait_for_reply(req, NULL); | |
1158 | v9fs_rmkdir(req, NULL); | |
653daf38 CS |
1159 | } |
1160 | ||
b09dbfdd CS |
1161 | /* create a regular file with Tlcreate and return file's fid */ |
1162 | static uint32_t do_lcreate(QVirtio9P *v9p, const char *path, | |
1163 | const char *cname) | |
1164 | { | |
65ceee0a | 1165 | g_autofree char *name = g_strdup(cname); |
b09dbfdd CS |
1166 | uint32_t fid; |
1167 | P9Req *req; | |
1168 | ||
1169 | fid = do_walk(v9p, path); | |
1170 | ||
1171 | req = v9fs_tlcreate(v9p, fid, name, 0, 0750, 0, 0); | |
1172 | v9fs_req_wait_for_reply(req, NULL); | |
1173 | v9fs_rlcreate(req, NULL, NULL); | |
1174 | ||
b09dbfdd CS |
1175 | return fid; |
1176 | } | |
1177 | ||
59ff563d CS |
1178 | /* create symlink named @a clink in directory @a path pointing to @a to */ |
1179 | static void do_symlink(QVirtio9P *v9p, const char *path, const char *clink, | |
1180 | const char *to) | |
1181 | { | |
65ceee0a CS |
1182 | g_autofree char *name = g_strdup(clink); |
1183 | g_autofree char *dst = g_strdup(to); | |
59ff563d CS |
1184 | uint32_t fid; |
1185 | P9Req *req; | |
1186 | ||
1187 | fid = do_walk(v9p, path); | |
1188 | ||
1189 | req = v9fs_tsymlink(v9p, fid, name, dst, 0, 0); | |
1190 | v9fs_req_wait_for_reply(req, NULL); | |
1191 | v9fs_rsymlink(req, NULL); | |
59ff563d CS |
1192 | } |
1193 | ||
64e3d403 CS |
1194 | /* create a hard link named @a clink in directory @a path pointing to @a to */ |
1195 | static void do_hardlink(QVirtio9P *v9p, const char *path, const char *clink, | |
1196 | const char *to) | |
1197 | { | |
1198 | uint32_t dfid, fid; | |
1199 | P9Req *req; | |
1200 | ||
1201 | dfid = do_walk(v9p, path); | |
1202 | fid = do_walk(v9p, to); | |
1203 | ||
1204 | req = v9fs_tlink(v9p, dfid, fid, clink, 0); | |
1205 | v9fs_req_wait_for_reply(req, NULL); | |
1206 | v9fs_rlink(req); | |
1207 | } | |
1208 | ||
b37d62d6 CS |
1209 | static void do_unlinkat(QVirtio9P *v9p, const char *atpath, const char *rpath, |
1210 | uint32_t flags) | |
1211 | { | |
65ceee0a | 1212 | g_autofree char *name = g_strdup(rpath); |
b37d62d6 CS |
1213 | uint32_t fid; |
1214 | P9Req *req; | |
1215 | ||
1216 | fid = do_walk(v9p, atpath); | |
1217 | ||
1218 | req = v9fs_tunlinkat(v9p, fid, name, flags, 0); | |
1219 | v9fs_req_wait_for_reply(req, NULL); | |
1220 | v9fs_runlinkat(req); | |
b37d62d6 CS |
1221 | } |
1222 | ||
46488b62 CS |
1223 | static void fs_readdir_split_128(void *obj, void *data, |
1224 | QGuestAllocator *t_alloc) | |
1225 | { | |
1d98613d GK |
1226 | alloc = t_alloc; |
1227 | do_readdir_split(obj, 128); | |
46488b62 CS |
1228 | } |
1229 | ||
1230 | static void fs_readdir_split_256(void *obj, void *data, | |
1231 | QGuestAllocator *t_alloc) | |
1232 | { | |
1d98613d GK |
1233 | alloc = t_alloc; |
1234 | do_readdir_split(obj, 256); | |
46488b62 CS |
1235 | } |
1236 | ||
1237 | static void fs_readdir_split_512(void *obj, void *data, | |
1238 | QGuestAllocator *t_alloc) | |
1239 | { | |
1d98613d GK |
1240 | alloc = t_alloc; |
1241 | do_readdir_split(obj, 512); | |
46488b62 CS |
1242 | } |
1243 | ||
653daf38 CS |
1244 | |
1245 | /* tests using the 9pfs 'local' fs driver */ | |
1246 | ||
1247 | static void fs_create_dir(void *obj, void *data, QGuestAllocator *t_alloc) | |
1248 | { | |
1249 | QVirtio9P *v9p = obj; | |
382619ef | 1250 | alloc = t_alloc; |
653daf38 | 1251 | struct stat st; |
65ceee0a CS |
1252 | g_autofree char *root_path = virtio_9p_test_path(""); |
1253 | g_autofree char *new_dir = virtio_9p_test_path("01"); | |
653daf38 CS |
1254 | |
1255 | g_assert(root_path != NULL); | |
1256 | ||
3fe4baf4 | 1257 | do_attach(v9p); |
c1934f63 | 1258 | do_mkdir(v9p, "/", "01"); |
653daf38 CS |
1259 | |
1260 | /* check if created directory really exists now ... */ | |
1261 | g_assert(stat(new_dir, &st) == 0); | |
1262 | /* ... and is actually a directory */ | |
1263 | g_assert((st.st_mode & S_IFMT) == S_IFDIR); | |
653daf38 CS |
1264 | } |
1265 | ||
b37d62d6 CS |
1266 | static void fs_unlinkat_dir(void *obj, void *data, QGuestAllocator *t_alloc) |
1267 | { | |
1268 | QVirtio9P *v9p = obj; | |
1269 | alloc = t_alloc; | |
1270 | struct stat st; | |
65ceee0a CS |
1271 | g_autofree char *root_path = virtio_9p_test_path(""); |
1272 | g_autofree char *new_dir = virtio_9p_test_path("02"); | |
b37d62d6 CS |
1273 | |
1274 | g_assert(root_path != NULL); | |
1275 | ||
1276 | do_attach(v9p); | |
1277 | do_mkdir(v9p, "/", "02"); | |
1278 | ||
1279 | /* check if created directory really exists now ... */ | |
1280 | g_assert(stat(new_dir, &st) == 0); | |
1281 | /* ... and is actually a directory */ | |
1282 | g_assert((st.st_mode & S_IFMT) == S_IFDIR); | |
1283 | ||
d3671fd9 | 1284 | do_unlinkat(v9p, "/", "02", P9_DOTL_AT_REMOVEDIR); |
b37d62d6 CS |
1285 | /* directory should be gone now */ |
1286 | g_assert(stat(new_dir, &st) != 0); | |
b37d62d6 CS |
1287 | } |
1288 | ||
b09dbfdd CS |
1289 | static void fs_create_file(void *obj, void *data, QGuestAllocator *t_alloc) |
1290 | { | |
1291 | QVirtio9P *v9p = obj; | |
1292 | alloc = t_alloc; | |
1293 | struct stat st; | |
65ceee0a | 1294 | g_autofree char *new_file = virtio_9p_test_path("03/1st_file"); |
b09dbfdd CS |
1295 | |
1296 | do_attach(v9p); | |
1297 | do_mkdir(v9p, "/", "03"); | |
1298 | do_lcreate(v9p, "03", "1st_file"); | |
1299 | ||
1300 | /* check if created file exists now ... */ | |
1301 | g_assert(stat(new_file, &st) == 0); | |
1302 | /* ... and is a regular file */ | |
1303 | g_assert((st.st_mode & S_IFMT) == S_IFREG); | |
b09dbfdd CS |
1304 | } |
1305 | ||
472c18b8 CS |
1306 | static void fs_unlinkat_file(void *obj, void *data, QGuestAllocator *t_alloc) |
1307 | { | |
1308 | QVirtio9P *v9p = obj; | |
1309 | alloc = t_alloc; | |
1310 | struct stat st; | |
65ceee0a | 1311 | g_autofree char *new_file = virtio_9p_test_path("04/doa_file"); |
472c18b8 CS |
1312 | |
1313 | do_attach(v9p); | |
1314 | do_mkdir(v9p, "/", "04"); | |
1315 | do_lcreate(v9p, "04", "doa_file"); | |
1316 | ||
1317 | /* check if created file exists now ... */ | |
1318 | g_assert(stat(new_file, &st) == 0); | |
1319 | /* ... and is a regular file */ | |
1320 | g_assert((st.st_mode & S_IFMT) == S_IFREG); | |
1321 | ||
1322 | do_unlinkat(v9p, "04", "doa_file", 0); | |
1323 | /* file should be gone now */ | |
1324 | g_assert(stat(new_file, &st) != 0); | |
472c18b8 CS |
1325 | } |
1326 | ||
59ff563d CS |
1327 | static void fs_symlink_file(void *obj, void *data, QGuestAllocator *t_alloc) |
1328 | { | |
1329 | QVirtio9P *v9p = obj; | |
1330 | alloc = t_alloc; | |
1331 | struct stat st; | |
65ceee0a CS |
1332 | g_autofree char *real_file = virtio_9p_test_path("05/real_file"); |
1333 | g_autofree char *symlink_file = virtio_9p_test_path("05/symlink_file"); | |
59ff563d CS |
1334 | |
1335 | do_attach(v9p); | |
1336 | do_mkdir(v9p, "/", "05"); | |
1337 | do_lcreate(v9p, "05", "real_file"); | |
1338 | g_assert(stat(real_file, &st) == 0); | |
1339 | g_assert((st.st_mode & S_IFMT) == S_IFREG); | |
1340 | ||
1341 | do_symlink(v9p, "05", "symlink_file", "real_file"); | |
1342 | ||
1343 | /* check if created link exists now */ | |
1344 | g_assert(stat(symlink_file, &st) == 0); | |
59ff563d CS |
1345 | } |
1346 | ||
5b28ab8b CS |
1347 | static void fs_unlinkat_symlink(void *obj, void *data, |
1348 | QGuestAllocator *t_alloc) | |
1349 | { | |
1350 | QVirtio9P *v9p = obj; | |
1351 | alloc = t_alloc; | |
1352 | struct stat st; | |
65ceee0a CS |
1353 | g_autofree char *real_file = virtio_9p_test_path("06/real_file"); |
1354 | g_autofree char *symlink_file = virtio_9p_test_path("06/symlink_file"); | |
5b28ab8b CS |
1355 | |
1356 | do_attach(v9p); | |
1357 | do_mkdir(v9p, "/", "06"); | |
1358 | do_lcreate(v9p, "06", "real_file"); | |
1359 | g_assert(stat(real_file, &st) == 0); | |
1360 | g_assert((st.st_mode & S_IFMT) == S_IFREG); | |
1361 | ||
1362 | do_symlink(v9p, "06", "symlink_file", "real_file"); | |
1363 | g_assert(stat(symlink_file, &st) == 0); | |
1364 | ||
1365 | do_unlinkat(v9p, "06", "symlink_file", 0); | |
1366 | /* symlink should be gone now */ | |
1367 | g_assert(stat(symlink_file, &st) != 0); | |
5b28ab8b CS |
1368 | } |
1369 | ||
64e3d403 CS |
1370 | static void fs_hardlink_file(void *obj, void *data, QGuestAllocator *t_alloc) |
1371 | { | |
1372 | QVirtio9P *v9p = obj; | |
1373 | alloc = t_alloc; | |
1374 | struct stat st_real, st_link; | |
65ceee0a CS |
1375 | g_autofree char *real_file = virtio_9p_test_path("07/real_file"); |
1376 | g_autofree char *hardlink_file = virtio_9p_test_path("07/hardlink_file"); | |
64e3d403 CS |
1377 | |
1378 | do_attach(v9p); | |
1379 | do_mkdir(v9p, "/", "07"); | |
1380 | do_lcreate(v9p, "07", "real_file"); | |
1381 | g_assert(stat(real_file, &st_real) == 0); | |
1382 | g_assert((st_real.st_mode & S_IFMT) == S_IFREG); | |
1383 | ||
1384 | do_hardlink(v9p, "07", "hardlink_file", "07/real_file"); | |
1385 | ||
1386 | /* check if link exists now ... */ | |
1387 | g_assert(stat(hardlink_file, &st_link) == 0); | |
1388 | /* ... and it's a hard link, right? */ | |
1389 | g_assert((st_link.st_mode & S_IFMT) == S_IFREG); | |
1390 | g_assert(st_link.st_dev == st_real.st_dev); | |
1391 | g_assert(st_link.st_ino == st_real.st_ino); | |
64e3d403 CS |
1392 | } |
1393 | ||
4d0746e2 CS |
1394 | static void fs_unlinkat_hardlink(void *obj, void *data, |
1395 | QGuestAllocator *t_alloc) | |
1396 | { | |
1397 | QVirtio9P *v9p = obj; | |
1398 | alloc = t_alloc; | |
1399 | struct stat st_real, st_link; | |
65ceee0a CS |
1400 | g_autofree char *real_file = virtio_9p_test_path("08/real_file"); |
1401 | g_autofree char *hardlink_file = virtio_9p_test_path("08/hardlink_file"); | |
4d0746e2 CS |
1402 | |
1403 | do_attach(v9p); | |
1404 | do_mkdir(v9p, "/", "08"); | |
1405 | do_lcreate(v9p, "08", "real_file"); | |
1406 | g_assert(stat(real_file, &st_real) == 0); | |
1407 | g_assert((st_real.st_mode & S_IFMT) == S_IFREG); | |
1408 | ||
1409 | do_hardlink(v9p, "08", "hardlink_file", "08/real_file"); | |
1410 | g_assert(stat(hardlink_file, &st_link) == 0); | |
1411 | ||
1412 | do_unlinkat(v9p, "08", "hardlink_file", 0); | |
1413 | /* symlink should be gone now */ | |
1414 | g_assert(stat(hardlink_file, &st_link) != 0); | |
1415 | /* and old file should still exist */ | |
1416 | g_assert(stat(real_file, &st_real) == 0); | |
4d0746e2 CS |
1417 | } |
1418 | ||
3a565c64 CS |
1419 | static void *assign_9p_local_driver(GString *cmd_line, void *arg) |
1420 | { | |
1421 | virtio_9p_assign_local_driver(cmd_line, "security_model=mapped-xattr"); | |
1422 | return arg; | |
1423 | } | |
1424 | ||
dfbe8b43 | 1425 | static void register_virtio_9p_test(void) |
1211d81b | 1426 | { |
3a565c64 CS |
1427 | |
1428 | QOSGraphTestOptions opts = { | |
1429 | }; | |
1430 | ||
1431 | /* 9pfs test cases using the 'synth' filesystem driver */ | |
1432 | qos_add_test("synth/config", "virtio-9p", pci_config, &opts); | |
1433 | qos_add_test("synth/version/basic", "virtio-9p", fs_version, &opts); | |
1434 | qos_add_test("synth/attach/basic", "virtio-9p", fs_attach, &opts); | |
1435 | qos_add_test("synth/walk/basic", "virtio-9p", fs_walk, &opts); | |
eefd2394 | 1436 | qos_add_test("synth/walk/no_slash", "virtio-9p", fs_walk_no_slash, |
3a565c64 | 1437 | &opts); |
eefd2394 | 1438 | qos_add_test("synth/walk/dotdot_from_root", "virtio-9p", |
3a565c64 | 1439 | fs_walk_dotdot, &opts); |
9472a689 CS |
1440 | qos_add_test("synth/walk/non_existent", "virtio-9p", fs_walk_nonexistent, |
1441 | &opts); | |
3a565c64 CS |
1442 | qos_add_test("synth/lopen/basic", "virtio-9p", fs_lopen, &opts); |
1443 | qos_add_test("synth/write/basic", "virtio-9p", fs_write, &opts); | |
eefd2394 | 1444 | qos_add_test("synth/flush/success", "virtio-9p", fs_flush_success, |
3a565c64 | 1445 | &opts); |
eefd2394 | 1446 | qos_add_test("synth/flush/ignored", "virtio-9p", fs_flush_ignored, |
3a565c64 CS |
1447 | &opts); |
1448 | qos_add_test("synth/readdir/basic", "virtio-9p", fs_readdir, &opts); | |
eefd2394 | 1449 | qos_add_test("synth/readdir/split_512", "virtio-9p", |
3a565c64 | 1450 | fs_readdir_split_512, &opts); |
eefd2394 | 1451 | qos_add_test("synth/readdir/split_256", "virtio-9p", |
3a565c64 | 1452 | fs_readdir_split_256, &opts); |
eefd2394 | 1453 | qos_add_test("synth/readdir/split_128", "virtio-9p", |
3a565c64 CS |
1454 | fs_readdir_split_128, &opts); |
1455 | ||
1456 | ||
1457 | /* 9pfs test cases using the 'local' filesystem driver */ | |
558f5c42 GK |
1458 | |
1459 | /* | |
1460 | * XXX: Until we are sure that these tests can run everywhere, | |
1461 | * keep them as "slow" so that they aren't run with "make check". | |
1462 | */ | |
1463 | if (!g_test_slow()) { | |
1464 | return; | |
1465 | } | |
1466 | ||
3a565c64 CS |
1467 | opts.before = assign_9p_local_driver; |
1468 | qos_add_test("local/config", "virtio-9p", pci_config, &opts); | |
653daf38 | 1469 | qos_add_test("local/create_dir", "virtio-9p", fs_create_dir, &opts); |
b37d62d6 | 1470 | qos_add_test("local/unlinkat_dir", "virtio-9p", fs_unlinkat_dir, &opts); |
b09dbfdd | 1471 | qos_add_test("local/create_file", "virtio-9p", fs_create_file, &opts); |
472c18b8 | 1472 | qos_add_test("local/unlinkat_file", "virtio-9p", fs_unlinkat_file, &opts); |
59ff563d | 1473 | qos_add_test("local/symlink_file", "virtio-9p", fs_symlink_file, &opts); |
5b28ab8b CS |
1474 | qos_add_test("local/unlinkat_symlink", "virtio-9p", fs_unlinkat_symlink, |
1475 | &opts); | |
64e3d403 | 1476 | qos_add_test("local/hardlink_file", "virtio-9p", fs_hardlink_file, &opts); |
4d0746e2 CS |
1477 | qos_add_test("local/unlinkat_hardlink", "virtio-9p", fs_unlinkat_hardlink, |
1478 | &opts); | |
557a4cc0 GK |
1479 | } |
1480 | ||
dfbe8b43 | 1481 | libqos_init(register_virtio_9p_test); |
136b7af2 CS |
1482 | |
1483 | static void __attribute__((constructor)) construct_9p_test(void) | |
1484 | { | |
1485 | /* make sure test dir for the 'local' tests exists */ | |
1486 | virtio_9p_create_local_test_dir(); | |
1487 | } | |
1488 | ||
1489 | static void __attribute__((destructor)) destruct_9p_test(void) | |
1490 | { | |
1491 | /* remove previously created test dir when test suite completed */ | |
1492 | virtio_9p_remove_local_test_dir(); | |
1493 | } |