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Commit | Line | Data |
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a77e6b14 NN |
1 | /* |
2 | * QTest testcase for the vhost-user | |
3 | * | |
4 | * Copyright (c) 2014 Virtual Open Systems Sarl. | |
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 | ||
681c28a3 | 11 | #include "qemu/osdep.h" |
bd95939f | 12 | |
a77e6b14 | 13 | #include "libqtest.h" |
5345fdb4 | 14 | #include "qapi/error.h" |
452fcdbc | 15 | #include "qapi/qmp/qdict.h" |
213dcb06 | 16 | #include "qemu/config-file.h" |
a77e6b14 | 17 | #include "qemu/option.h" |
b1819747 | 18 | #include "qemu/range.h" |
a9c94277 | 19 | #include "qemu/sockets.h" |
4d43a603 | 20 | #include "chardev/char-fe.h" |
8e029fd6 | 21 | #include "qemu/memfd.h" |
a77e6b14 | 22 | #include "sysemu/sysemu.h" |
cdafe929 EH |
23 | #include "libqos/libqos.h" |
24 | #include "libqos/pci-pc.h" | |
25 | #include "libqos/virtio-pci.h" | |
a77e6b14 | 26 | |
ed0a8d92 MAL |
27 | #include "libqos/malloc-pc.h" |
28 | #include "hw/virtio/virtio-net.h" | |
29 | ||
af3bba76 PB |
30 | #include "standard-headers/linux/vhost_types.h" |
31 | #include "standard-headers/linux/virtio_ids.h" | |
32 | #include "standard-headers/linux/virtio_net.h" | |
33 | ||
34 | #ifdef CONFIG_LINUX | |
a77e6b14 | 35 | #include <sys/vfs.h> |
af3bba76 | 36 | #endif |
a77e6b14 | 37 | |
30de46db | 38 | |
8e029fd6 | 39 | #define QEMU_CMD_MEM " -m %d -object memory-backend-file,id=mem,size=%dM," \ |
a77e6b14 | 40 | "mem-path=%s,share=on -numa node,memdev=mem" |
8e029fd6 MAL |
41 | #define QEMU_CMD_MEMFD " -m %d -object memory-backend-memfd,id=mem,size=%dM," \ |
42 | " -numa node,memdev=mem" | |
4616e359 | 43 | #define QEMU_CMD_CHR " -chardev socket,id=%s,path=%s%s" |
a3ebd6e0 | 44 | #define QEMU_CMD_NETDEV " -netdev vhost-user,id=hs0,chardev=%s,vhostforce" |
a77e6b14 | 45 | |
a77e6b14 NN |
46 | #define HUGETLBFS_MAGIC 0x958458f6 |
47 | ||
48 | /*********** FROM hw/virtio/vhost-user.c *************************************/ | |
49 | ||
50 | #define VHOST_MEMORY_MAX_NREGIONS 8 | |
026eb179 | 51 | #define VHOST_MAX_VIRTQUEUES 0x100 |
a77e6b14 | 52 | |
8a9b6b37 | 53 | #define VHOST_USER_F_PROTOCOL_FEATURES 30 |
ed0a8d92 | 54 | #define VHOST_USER_PROTOCOL_F_MQ 0 |
b1819747 | 55 | #define VHOST_USER_PROTOCOL_F_LOG_SHMFD 1 |
5a583cc5 | 56 | #define VHOST_USER_PROTOCOL_F_CROSS_ENDIAN 6 |
b1819747 MAL |
57 | |
58 | #define VHOST_LOG_PAGE 0x1000 | |
8a9b6b37 | 59 | |
a77e6b14 NN |
60 | typedef enum VhostUserRequest { |
61 | VHOST_USER_NONE = 0, | |
62 | VHOST_USER_GET_FEATURES = 1, | |
63 | VHOST_USER_SET_FEATURES = 2, | |
64 | VHOST_USER_SET_OWNER = 3, | |
60915dc4 | 65 | VHOST_USER_RESET_OWNER = 4, |
a77e6b14 NN |
66 | VHOST_USER_SET_MEM_TABLE = 5, |
67 | VHOST_USER_SET_LOG_BASE = 6, | |
68 | VHOST_USER_SET_LOG_FD = 7, | |
69 | VHOST_USER_SET_VRING_NUM = 8, | |
70 | VHOST_USER_SET_VRING_ADDR = 9, | |
71 | VHOST_USER_SET_VRING_BASE = 10, | |
72 | VHOST_USER_GET_VRING_BASE = 11, | |
73 | VHOST_USER_SET_VRING_KICK = 12, | |
74 | VHOST_USER_SET_VRING_CALL = 13, | |
75 | VHOST_USER_SET_VRING_ERR = 14, | |
8a9b6b37 MT |
76 | VHOST_USER_GET_PROTOCOL_FEATURES = 15, |
77 | VHOST_USER_SET_PROTOCOL_FEATURES = 16, | |
ed0a8d92 | 78 | VHOST_USER_GET_QUEUE_NUM = 17, |
87656d50 | 79 | VHOST_USER_SET_VRING_ENABLE = 18, |
a77e6b14 NN |
80 | VHOST_USER_MAX |
81 | } VhostUserRequest; | |
82 | ||
83 | typedef struct VhostUserMemoryRegion { | |
84 | uint64_t guest_phys_addr; | |
85 | uint64_t memory_size; | |
86 | uint64_t userspace_addr; | |
d6970e3b | 87 | uint64_t mmap_offset; |
a77e6b14 NN |
88 | } VhostUserMemoryRegion; |
89 | ||
90 | typedef struct VhostUserMemory { | |
91 | uint32_t nregions; | |
92 | uint32_t padding; | |
93 | VhostUserMemoryRegion regions[VHOST_MEMORY_MAX_NREGIONS]; | |
94 | } VhostUserMemory; | |
95 | ||
2b8819c6 VK |
96 | typedef struct VhostUserLog { |
97 | uint64_t mmap_size; | |
98 | uint64_t mmap_offset; | |
99 | } VhostUserLog; | |
100 | ||
a77e6b14 NN |
101 | typedef struct VhostUserMsg { |
102 | VhostUserRequest request; | |
103 | ||
104 | #define VHOST_USER_VERSION_MASK (0x3) | |
105 | #define VHOST_USER_REPLY_MASK (0x1<<2) | |
106 | uint32_t flags; | |
107 | uint32_t size; /* the following payload size */ | |
108 | union { | |
2b8819c6 VK |
109 | #define VHOST_USER_VRING_IDX_MASK (0xff) |
110 | #define VHOST_USER_VRING_NOFD_MASK (0x1<<8) | |
a77e6b14 NN |
111 | uint64_t u64; |
112 | struct vhost_vring_state state; | |
113 | struct vhost_vring_addr addr; | |
114 | VhostUserMemory memory; | |
2b8819c6 | 115 | VhostUserLog log; |
12ebf690 | 116 | } payload; |
a77e6b14 NN |
117 | } QEMU_PACKED VhostUserMsg; |
118 | ||
119 | static VhostUserMsg m __attribute__ ((unused)); | |
120 | #define VHOST_USER_HDR_SIZE (sizeof(m.request) \ | |
121 | + sizeof(m.flags) \ | |
122 | + sizeof(m.size)) | |
123 | ||
124 | #define VHOST_USER_PAYLOAD_SIZE (sizeof(m) - VHOST_USER_HDR_SIZE) | |
125 | ||
126 | /* The version of the protocol we support */ | |
127 | #define VHOST_USER_VERSION (0x1) | |
128 | /*****************************************************************************/ | |
129 | ||
9294d76c MAL |
130 | enum { |
131 | TEST_FLAGS_OK, | |
132 | TEST_FLAGS_DISCONNECT, | |
133 | TEST_FLAGS_BAD, | |
134 | TEST_FLAGS_END, | |
135 | }; | |
136 | ||
ae31fb54 MAL |
137 | typedef struct TestServer { |
138 | gchar *socket_path; | |
a899b1ea | 139 | gchar *mig_path; |
ae31fb54 | 140 | gchar *chr_name; |
4d3f50eb | 141 | gchar *tmpfs; |
32a6ebec | 142 | CharBackend chr; |
ae31fb54 MAL |
143 | int fds_num; |
144 | int fds[VHOST_MEMORY_MAX_NREGIONS]; | |
145 | VhostUserMemory memory; | |
7d0ca3e7 PB |
146 | GMainContext *context; |
147 | GMainLoop *loop; | |
148 | GThread *thread; | |
e7b3af81 DB |
149 | GMutex data_mutex; |
150 | GCond data_cond; | |
b1819747 | 151 | int log_fd; |
d08e42a1 | 152 | uint64_t rings; |
5d443f5a | 153 | bool test_fail; |
9294d76c | 154 | int test_flags; |
ed0a8d92 | 155 | int queues; |
ae31fb54 | 156 | } TestServer; |
bd95939f | 157 | |
a3ebd6e0 | 158 | static const char *init_hugepagefs(void); |
83265145 MAL |
159 | static TestServer *test_server_new(const gchar *name); |
160 | static void test_server_free(TestServer *server); | |
161 | static void test_server_listen(TestServer *server); | |
162 | ||
8e029fd6 MAL |
163 | enum test_memfd { |
164 | TEST_MEMFD_AUTO, | |
165 | TEST_MEMFD_YES, | |
166 | TEST_MEMFD_NO, | |
167 | }; | |
168 | ||
a3ebd6e0 PB |
169 | static void append_vhost_opts(TestServer *s, GString *cmd_line, |
170 | const char *chr_opts) | |
8e029fd6 | 171 | { |
a3ebd6e0 PB |
172 | g_string_append_printf(cmd_line, QEMU_CMD_CHR QEMU_CMD_NETDEV, |
173 | s->chr_name, s->socket_path, | |
174 | chr_opts, s->chr_name); | |
8e029fd6 MAL |
175 | } |
176 | ||
a3ebd6e0 PB |
177 | static void append_mem_opts(TestServer *server, GString *cmd_line, |
178 | int size, enum test_memfd memfd) | |
cdafe929 | 179 | { |
a3ebd6e0 PB |
180 | if (memfd == TEST_MEMFD_AUTO) { |
181 | memfd = qemu_memfd_check(0) ? TEST_MEMFD_YES : TEST_MEMFD_NO; | |
026eb179 MC |
182 | } |
183 | ||
a3ebd6e0 PB |
184 | if (memfd == TEST_MEMFD_YES) { |
185 | g_string_append_printf(cmd_line, QEMU_CMD_MEMFD, size, size); | |
186 | } else { | |
187 | const char *root = init_hugepagefs() ? : server->tmpfs; | |
cdafe929 | 188 | |
a3ebd6e0 | 189 | g_string_append_printf(cmd_line, QEMU_CMD_MEM, size, size, root); |
026eb179 | 190 | } |
cdafe929 EH |
191 | } |
192 | ||
3b72ca38 | 193 | static bool wait_for_fds(TestServer *s) |
a77e6b14 | 194 | { |
a77e6b14 | 195 | gint64 end_time; |
3b72ca38 PB |
196 | bool got_region; |
197 | int i; | |
a77e6b14 | 198 | |
ae31fb54 | 199 | g_mutex_lock(&s->data_mutex); |
a77e6b14 | 200 | |
ca06d9cc | 201 | end_time = g_get_monotonic_time() + 5 * G_TIME_SPAN_SECOND; |
ae31fb54 MAL |
202 | while (!s->fds_num) { |
203 | if (!g_cond_wait_until(&s->data_cond, &s->data_mutex, end_time)) { | |
a77e6b14 | 204 | /* timeout has passed */ |
ae31fb54 | 205 | g_assert(s->fds_num); |
a77e6b14 NN |
206 | break; |
207 | } | |
208 | } | |
209 | ||
210 | /* check for sanity */ | |
ae31fb54 MAL |
211 | g_assert_cmpint(s->fds_num, >, 0); |
212 | g_assert_cmpint(s->fds_num, ==, s->memory.nregions); | |
a77e6b14 | 213 | |
ae31fb54 | 214 | g_mutex_unlock(&s->data_mutex); |
3b72ca38 PB |
215 | |
216 | got_region = false; | |
217 | for (i = 0; i < s->memory.nregions; ++i) { | |
218 | VhostUserMemoryRegion *reg = &s->memory.regions[i]; | |
219 | if (reg->guest_phys_addr == 0) { | |
220 | got_region = true; | |
221 | break; | |
222 | } | |
223 | } | |
224 | if (!got_region) { | |
225 | g_test_skip("No memory at address 0x0"); | |
226 | } | |
227 | return got_region; | |
cf72b57f MAL |
228 | } |
229 | ||
bae6b59d | 230 | static void read_guest_mem_server(QTestState *qts, TestServer *s) |
cf72b57f | 231 | { |
5a583cc5 | 232 | uint8_t *guest_mem; |
cf72b57f MAL |
233 | int i, j; |
234 | size_t size; | |
235 | ||
ae31fb54 | 236 | g_mutex_lock(&s->data_mutex); |
cf72b57f | 237 | |
a77e6b14 | 238 | /* iterate all regions */ |
ae31fb54 | 239 | for (i = 0; i < s->fds_num; i++) { |
a77e6b14 NN |
240 | |
241 | /* We'll check only the region statring at 0x0*/ | |
ae31fb54 | 242 | if (s->memory.regions[i].guest_phys_addr != 0x0) { |
a77e6b14 NN |
243 | continue; |
244 | } | |
245 | ||
ae31fb54 | 246 | g_assert_cmpint(s->memory.regions[i].memory_size, >, 1024); |
a77e6b14 | 247 | |
ae31fb54 MAL |
248 | size = s->memory.regions[i].memory_size + |
249 | s->memory.regions[i].mmap_offset; | |
d6970e3b NN |
250 | |
251 | guest_mem = mmap(0, size, PROT_READ | PROT_WRITE, | |
ae31fb54 | 252 | MAP_SHARED, s->fds[i], 0); |
d6970e3b NN |
253 | |
254 | g_assert(guest_mem != MAP_FAILED); | |
ae31fb54 | 255 | guest_mem += (s->memory.regions[i].mmap_offset / sizeof(*guest_mem)); |
a77e6b14 | 256 | |
5a583cc5 | 257 | for (j = 0; j < 1024; j++) { |
bae6b59d | 258 | uint32_t a = qtest_readb(qts, s->memory.regions[i].guest_phys_addr + j); |
a77e6b14 NN |
259 | uint32_t b = guest_mem[j]; |
260 | ||
261 | g_assert_cmpint(a, ==, b); | |
262 | } | |
263 | ||
ae31fb54 | 264 | munmap(guest_mem, s->memory.regions[i].memory_size); |
a77e6b14 NN |
265 | } |
266 | ||
ae31fb54 | 267 | g_mutex_unlock(&s->data_mutex); |
a77e6b14 NN |
268 | } |
269 | ||
270 | static void *thread_function(void *data) | |
271 | { | |
9732baf6 | 272 | GMainLoop *loop = data; |
a77e6b14 NN |
273 | g_main_loop_run(loop); |
274 | return NULL; | |
275 | } | |
276 | ||
277 | static int chr_can_read(void *opaque) | |
278 | { | |
279 | return VHOST_USER_HDR_SIZE; | |
280 | } | |
281 | ||
282 | static void chr_read(void *opaque, const uint8_t *buf, int size) | |
283 | { | |
ae31fb54 | 284 | TestServer *s = opaque; |
32a6ebec | 285 | CharBackend *chr = &s->chr; |
a77e6b14 NN |
286 | VhostUserMsg msg; |
287 | uint8_t *p = (uint8_t *) &msg; | |
82248cd4 | 288 | int fd = -1; |
a77e6b14 | 289 | |
5d443f5a | 290 | if (s->test_fail) { |
5345fdb4 | 291 | qemu_chr_fe_disconnect(chr); |
5d443f5a MAL |
292 | /* now switch to non-failure */ |
293 | s->test_fail = false; | |
294 | } | |
295 | ||
a77e6b14 | 296 | if (size != VHOST_USER_HDR_SIZE) { |
13ee9e30 | 297 | g_test_message("Wrong message size received %d", size); |
a77e6b14 NN |
298 | return; |
299 | } | |
300 | ||
ae31fb54 | 301 | g_mutex_lock(&s->data_mutex); |
a77e6b14 NN |
302 | memcpy(p, buf, VHOST_USER_HDR_SIZE); |
303 | ||
304 | if (msg.size) { | |
305 | p += VHOST_USER_HDR_SIZE; | |
5345fdb4 | 306 | size = qemu_chr_fe_read_all(chr, p, msg.size); |
4616e359 | 307 | if (size != msg.size) { |
13ee9e30 | 308 | g_test_message("Wrong message size received %d != %d", |
4616e359 MAL |
309 | size, msg.size); |
310 | return; | |
311 | } | |
a77e6b14 NN |
312 | } |
313 | ||
314 | switch (msg.request) { | |
315 | case VHOST_USER_GET_FEATURES: | |
8a9b6b37 MT |
316 | /* send back features to qemu */ |
317 | msg.flags |= VHOST_USER_REPLY_MASK; | |
12ebf690 MT |
318 | msg.size = sizeof(m.payload.u64); |
319 | msg.payload.u64 = 0x1ULL << VHOST_F_LOG_ALL | | |
b1819747 | 320 | 0x1ULL << VHOST_USER_F_PROTOCOL_FEATURES; |
ed0a8d92 MAL |
321 | if (s->queues > 1) { |
322 | msg.payload.u64 |= 0x1ULL << VIRTIO_NET_F_MQ; | |
323 | } | |
9294d76c MAL |
324 | if (s->test_flags >= TEST_FLAGS_BAD) { |
325 | msg.payload.u64 = 0; | |
326 | s->test_flags = TEST_FLAGS_END; | |
327 | } | |
8a9b6b37 | 328 | p = (uint8_t *) &msg; |
5345fdb4 | 329 | qemu_chr_fe_write_all(chr, p, VHOST_USER_HDR_SIZE + msg.size); |
8a9b6b37 MT |
330 | break; |
331 | ||
332 | case VHOST_USER_SET_FEATURES: | |
7d37435b PB |
333 | g_assert_cmpint(msg.payload.u64 & (0x1ULL << VHOST_USER_F_PROTOCOL_FEATURES), |
334 | !=, 0ULL); | |
9294d76c | 335 | if (s->test_flags == TEST_FLAGS_DISCONNECT) { |
5345fdb4 | 336 | qemu_chr_fe_disconnect(chr); |
9294d76c MAL |
337 | s->test_flags = TEST_FLAGS_BAD; |
338 | } | |
8a9b6b37 MT |
339 | break; |
340 | ||
341 | case VHOST_USER_GET_PROTOCOL_FEATURES: | |
a77e6b14 NN |
342 | /* send back features to qemu */ |
343 | msg.flags |= VHOST_USER_REPLY_MASK; | |
12ebf690 MT |
344 | msg.size = sizeof(m.payload.u64); |
345 | msg.payload.u64 = 1 << VHOST_USER_PROTOCOL_F_LOG_SHMFD; | |
5a583cc5 | 346 | msg.payload.u64 |= 1 << VHOST_USER_PROTOCOL_F_CROSS_ENDIAN; |
ed0a8d92 MAL |
347 | if (s->queues > 1) { |
348 | msg.payload.u64 |= 1 << VHOST_USER_PROTOCOL_F_MQ; | |
349 | } | |
a77e6b14 | 350 | p = (uint8_t *) &msg; |
5345fdb4 | 351 | qemu_chr_fe_write_all(chr, p, VHOST_USER_HDR_SIZE + msg.size); |
a77e6b14 NN |
352 | break; |
353 | ||
354 | case VHOST_USER_GET_VRING_BASE: | |
355 | /* send back vring base to qemu */ | |
356 | msg.flags |= VHOST_USER_REPLY_MASK; | |
12ebf690 MT |
357 | msg.size = sizeof(m.payload.state); |
358 | msg.payload.state.num = 0; | |
a77e6b14 | 359 | p = (uint8_t *) &msg; |
5345fdb4 | 360 | qemu_chr_fe_write_all(chr, p, VHOST_USER_HDR_SIZE + msg.size); |
d08e42a1 | 361 | |
ed0a8d92 | 362 | assert(msg.payload.state.index < s->queues * 2); |
d08e42a1 | 363 | s->rings &= ~(0x1ULL << msg.payload.state.index); |
acca950c | 364 | g_cond_broadcast(&s->data_cond); |
a77e6b14 NN |
365 | break; |
366 | ||
367 | case VHOST_USER_SET_MEM_TABLE: | |
368 | /* received the mem table */ | |
12ebf690 | 369 | memcpy(&s->memory, &msg.payload.memory, sizeof(msg.payload.memory)); |
5345fdb4 | 370 | s->fds_num = qemu_chr_fe_get_msgfds(chr, s->fds, |
32a6ebec | 371 | G_N_ELEMENTS(s->fds)); |
a77e6b14 NN |
372 | |
373 | /* signal the test that it can continue */ | |
04ad1bf6 | 374 | g_cond_broadcast(&s->data_cond); |
a77e6b14 NN |
375 | break; |
376 | ||
377 | case VHOST_USER_SET_VRING_KICK: | |
378 | case VHOST_USER_SET_VRING_CALL: | |
379 | /* consume the fd */ | |
5345fdb4 | 380 | qemu_chr_fe_get_msgfds(chr, &fd, 1); |
a77e6b14 NN |
381 | /* |
382 | * This is a non-blocking eventfd. | |
383 | * The receive function forces it to be blocking, | |
384 | * so revert it back to non-blocking. | |
385 | */ | |
386 | qemu_set_nonblock(fd); | |
387 | break; | |
b1819747 MAL |
388 | |
389 | case VHOST_USER_SET_LOG_BASE: | |
390 | if (s->log_fd != -1) { | |
391 | close(s->log_fd); | |
392 | s->log_fd = -1; | |
393 | } | |
5345fdb4 | 394 | qemu_chr_fe_get_msgfds(chr, &s->log_fd, 1); |
b1819747 MAL |
395 | msg.flags |= VHOST_USER_REPLY_MASK; |
396 | msg.size = 0; | |
397 | p = (uint8_t *) &msg; | |
5345fdb4 | 398 | qemu_chr_fe_write_all(chr, p, VHOST_USER_HDR_SIZE); |
b1819747 | 399 | |
04ad1bf6 | 400 | g_cond_broadcast(&s->data_cond); |
b1819747 MAL |
401 | break; |
402 | ||
d08e42a1 | 403 | case VHOST_USER_SET_VRING_BASE: |
ed0a8d92 | 404 | assert(msg.payload.state.index < s->queues * 2); |
d08e42a1 | 405 | s->rings |= 0x1ULL << msg.payload.state.index; |
acca950c | 406 | g_cond_broadcast(&s->data_cond); |
1d9edff7 MAL |
407 | break; |
408 | ||
ed0a8d92 MAL |
409 | case VHOST_USER_GET_QUEUE_NUM: |
410 | msg.flags |= VHOST_USER_REPLY_MASK; | |
411 | msg.size = sizeof(m.payload.u64); | |
412 | msg.payload.u64 = s->queues; | |
413 | p = (uint8_t *) &msg; | |
5345fdb4 | 414 | qemu_chr_fe_write_all(chr, p, VHOST_USER_HDR_SIZE + msg.size); |
ed0a8d92 MAL |
415 | break; |
416 | ||
a77e6b14 NN |
417 | default: |
418 | break; | |
419 | } | |
ae31fb54 MAL |
420 | |
421 | g_mutex_unlock(&s->data_mutex); | |
a77e6b14 NN |
422 | } |
423 | ||
9ee1bb86 | 424 | static const char *init_hugepagefs(void) |
a77e6b14 | 425 | { |
9ee1bb86 | 426 | #ifdef CONFIG_LINUX |
a3ebd6e0 | 427 | static const char *hugepagefs; |
9ee1bb86 | 428 | const char *path = getenv("QTEST_HUGETLBFS_PATH"); |
a77e6b14 NN |
429 | struct statfs fs; |
430 | int ret; | |
431 | ||
a3ebd6e0 PB |
432 | if (hugepagefs) { |
433 | return hugepagefs; | |
434 | } | |
9ee1bb86 PB |
435 | if (!path) { |
436 | return NULL; | |
437 | } | |
438 | ||
a77e6b14 | 439 | if (access(path, R_OK | W_OK | X_OK)) { |
13ee9e30 | 440 | g_test_message("access on path (%s): %s", path, strerror(errno)); |
a3ebd6e0 | 441 | g_test_fail(); |
a77e6b14 NN |
442 | return NULL; |
443 | } | |
444 | ||
445 | do { | |
446 | ret = statfs(path, &fs); | |
447 | } while (ret != 0 && errno == EINTR); | |
448 | ||
449 | if (ret != 0) { | |
13ee9e30 | 450 | g_test_message("statfs on path (%s): %s", path, strerror(errno)); |
a3ebd6e0 | 451 | g_test_fail(); |
a77e6b14 NN |
452 | return NULL; |
453 | } | |
454 | ||
455 | if (fs.f_type != HUGETLBFS_MAGIC) { | |
13ee9e30 | 456 | g_test_message("Warning: path not on HugeTLBFS: %s", path); |
a3ebd6e0 | 457 | g_test_fail(); |
a77e6b14 NN |
458 | return NULL; |
459 | } | |
460 | ||
a3ebd6e0 PB |
461 | hugepagefs = path; |
462 | return hugepagefs; | |
9ee1bb86 PB |
463 | #else |
464 | return NULL; | |
af3bba76 | 465 | #endif |
9ee1bb86 | 466 | } |
a77e6b14 | 467 | |
704b2168 | 468 | static TestServer *test_server_new(const gchar *name) |
ae31fb54 MAL |
469 | { |
470 | TestServer *server = g_new0(TestServer, 1); | |
4d3f50eb PB |
471 | char template[] = "/tmp/vhost-test-XXXXXX"; |
472 | const char *tmpfs; | |
ae31fb54 | 473 | |
7d0ca3e7 PB |
474 | server->context = g_main_context_new(); |
475 | server->loop = g_main_loop_new(server->context, FALSE); | |
476 | ||
477 | /* run the main loop thread so the chardev may operate */ | |
478 | server->thread = g_thread_new(NULL, thread_function, server->loop); | |
479 | ||
4d3f50eb PB |
480 | tmpfs = mkdtemp(template); |
481 | if (!tmpfs) { | |
482 | g_test_message("mkdtemp on path (%s): %s", template, strerror(errno)); | |
483 | } | |
484 | g_assert(tmpfs); | |
485 | ||
486 | server->tmpfs = g_strdup(tmpfs); | |
ae31fb54 | 487 | server->socket_path = g_strdup_printf("%s/%s.sock", tmpfs, name); |
a899b1ea | 488 | server->mig_path = g_strdup_printf("%s/%s.mig", tmpfs, name); |
ae31fb54 | 489 | server->chr_name = g_strdup_printf("chr-%s", name); |
ae31fb54 MAL |
490 | |
491 | g_mutex_init(&server->data_mutex); | |
492 | g_cond_init(&server->data_cond); | |
493 | ||
b1819747 | 494 | server->log_fd = -1; |
ed0a8d92 | 495 | server->queues = 1; |
b1819747 | 496 | |
ae31fb54 MAL |
497 | return server; |
498 | } | |
499 | ||
9294d76c MAL |
500 | static void chr_event(void *opaque, int event) |
501 | { | |
502 | TestServer *s = opaque; | |
503 | ||
504 | if (s->test_flags == TEST_FLAGS_END && | |
505 | event == CHR_EVENT_CLOSED) { | |
506 | s->test_flags = TEST_FLAGS_OK; | |
507 | } | |
508 | } | |
509 | ||
4616e359 MAL |
510 | static void test_server_create_chr(TestServer *server, const gchar *opt) |
511 | { | |
512 | gchar *chr_path; | |
0ec7b3e7 | 513 | Chardev *chr; |
5345fdb4 | 514 | |
4616e359 | 515 | chr_path = g_strdup_printf("unix:%s%s", server->socket_path, opt); |
7d0ca3e7 | 516 | chr = qemu_chr_new(server->chr_name, chr_path, server->context); |
4616e359 MAL |
517 | g_free(chr_path); |
518 | ||
642e065a | 519 | g_assert_nonnull(chr); |
5345fdb4 MAL |
520 | qemu_chr_fe_init(&server->chr, chr, &error_abort); |
521 | qemu_chr_fe_set_handlers(&server->chr, chr_can_read, chr_read, | |
7d0ca3e7 | 522 | chr_event, NULL, server, server->context, true); |
4616e359 MAL |
523 | } |
524 | ||
525 | static void test_server_listen(TestServer *server) | |
526 | { | |
527 | test_server_create_chr(server, ",server,nowait"); | |
528 | } | |
529 | ||
7d0ca3e7 | 530 | static void test_server_free(TestServer *server) |
ae31fb54 | 531 | { |
4d3f50eb | 532 | int i, ret; |
ae31fb54 | 533 | |
7d0ca3e7 PB |
534 | /* finish the helper thread and dispatch pending sources */ |
535 | g_main_loop_quit(server->loop); | |
536 | g_thread_join(server->thread); | |
537 | while (g_main_context_pending(NULL)) { | |
538 | g_main_context_iteration(NULL, TRUE); | |
539 | } | |
540 | ||
4d3f50eb PB |
541 | unlink(server->socket_path); |
542 | g_free(server->socket_path); | |
543 | ||
544 | unlink(server->mig_path); | |
545 | g_free(server->mig_path); | |
546 | ||
547 | ret = rmdir(server->tmpfs); | |
548 | if (ret != 0) { | |
549 | g_test_message("unable to rmdir: path (%s): %s", | |
550 | server->tmpfs, strerror(errno)); | |
551 | } | |
5411f3d0 | 552 | g_free(server->tmpfs); |
4d3f50eb | 553 | |
1ce2610c | 554 | qemu_chr_fe_deinit(&server->chr, true); |
ae31fb54 MAL |
555 | |
556 | for (i = 0; i < server->fds_num; i++) { | |
557 | close(server->fds[i]); | |
558 | } | |
559 | ||
b1819747 MAL |
560 | if (server->log_fd != -1) { |
561 | close(server->log_fd); | |
562 | } | |
563 | ||
b1819747 | 564 | g_free(server->chr_name); |
0c0eb302 | 565 | |
7d0ca3e7 PB |
566 | g_main_loop_unref(server->loop); |
567 | g_main_context_unref(server->context); | |
5411f3d0 MAL |
568 | g_cond_clear(&server->data_cond); |
569 | g_mutex_clear(&server->data_mutex); | |
ae31fb54 MAL |
570 | g_free(server); |
571 | } | |
572 | ||
b1819747 MAL |
573 | static void wait_for_log_fd(TestServer *s) |
574 | { | |
575 | gint64 end_time; | |
576 | ||
577 | g_mutex_lock(&s->data_mutex); | |
578 | end_time = g_get_monotonic_time() + 5 * G_TIME_SPAN_SECOND; | |
579 | while (s->log_fd == -1) { | |
580 | if (!g_cond_wait_until(&s->data_cond, &s->data_mutex, end_time)) { | |
581 | /* timeout has passed */ | |
582 | g_assert(s->log_fd != -1); | |
583 | break; | |
584 | } | |
585 | } | |
586 | ||
587 | g_mutex_unlock(&s->data_mutex); | |
588 | } | |
589 | ||
3a87d009 | 590 | static void write_guest_mem(TestServer *s, uint32_t seed) |
b1819747 MAL |
591 | { |
592 | uint32_t *guest_mem; | |
593 | int i, j; | |
594 | size_t size; | |
595 | ||
b1819747 MAL |
596 | /* iterate all regions */ |
597 | for (i = 0; i < s->fds_num; i++) { | |
598 | ||
599 | /* We'll write only the region statring at 0x0 */ | |
600 | if (s->memory.regions[i].guest_phys_addr != 0x0) { | |
601 | continue; | |
602 | } | |
603 | ||
604 | g_assert_cmpint(s->memory.regions[i].memory_size, >, 1024); | |
605 | ||
606 | size = s->memory.regions[i].memory_size + | |
607 | s->memory.regions[i].mmap_offset; | |
608 | ||
609 | guest_mem = mmap(0, size, PROT_READ | PROT_WRITE, | |
610 | MAP_SHARED, s->fds[i], 0); | |
611 | ||
612 | g_assert(guest_mem != MAP_FAILED); | |
613 | guest_mem += (s->memory.regions[i].mmap_offset / sizeof(*guest_mem)); | |
614 | ||
615 | for (j = 0; j < 256; j++) { | |
616 | guest_mem[j] = seed + j; | |
617 | } | |
618 | ||
619 | munmap(guest_mem, s->memory.regions[i].memory_size); | |
620 | break; | |
621 | } | |
622 | } | |
623 | ||
624 | static guint64 get_log_size(TestServer *s) | |
625 | { | |
626 | guint64 log_size = 0; | |
627 | int i; | |
628 | ||
629 | for (i = 0; i < s->memory.nregions; ++i) { | |
630 | VhostUserMemoryRegion *reg = &s->memory.regions[i]; | |
631 | guint64 last = range_get_last(reg->guest_phys_addr, | |
632 | reg->memory_size); | |
633 | log_size = MAX(log_size, last / (8 * VHOST_LOG_PAGE) + 1); | |
634 | } | |
635 | ||
636 | return log_size; | |
637 | } | |
638 | ||
1d9edff7 MAL |
639 | typedef struct TestMigrateSource { |
640 | GSource source; | |
641 | TestServer *src; | |
642 | TestServer *dest; | |
643 | } TestMigrateSource; | |
644 | ||
645 | static gboolean | |
646 | test_migrate_source_check(GSource *source) | |
647 | { | |
648 | TestMigrateSource *t = (TestMigrateSource *)source; | |
d08e42a1 | 649 | gboolean overlap = t->src->rings && t->dest->rings; |
1d9edff7 MAL |
650 | |
651 | g_assert(!overlap); | |
652 | ||
653 | return FALSE; | |
654 | } | |
655 | ||
656 | GSourceFuncs test_migrate_source_funcs = { | |
45ce5126 | 657 | .check = test_migrate_source_check, |
1d9edff7 MAL |
658 | }; |
659 | ||
a3ebd6e0 PB |
660 | static void vhost_user_test_cleanup(void *s) |
661 | { | |
662 | TestServer *server = s; | |
663 | ||
664 | qos_invalidate_command_line(); | |
665 | test_server_free(server); | |
666 | } | |
667 | ||
668 | static void *vhost_user_test_setup(GString *cmd_line, void *arg) | |
e364c703 | 669 | { |
a3ebd6e0 PB |
670 | TestServer *server = test_server_new("vhost-user-test"); |
671 | test_server_listen(server); | |
672 | ||
673 | append_mem_opts(server, cmd_line, 256, TEST_MEMFD_AUTO); | |
674 | append_vhost_opts(server, cmd_line, ""); | |
675 | ||
676 | g_test_queue_destroy(vhost_user_test_cleanup, server); | |
677 | ||
678 | return server; | |
679 | } | |
e364c703 | 680 | |
a3ebd6e0 PB |
681 | static void *vhost_user_test_setup_memfd(GString *cmd_line, void *arg) |
682 | { | |
683 | TestServer *server = test_server_new("vhost-user-test"); | |
e364c703 MC |
684 | test_server_listen(server); |
685 | ||
a3ebd6e0 PB |
686 | append_mem_opts(server, cmd_line, 256, TEST_MEMFD_YES); |
687 | append_vhost_opts(server, cmd_line, ""); | |
688 | ||
689 | g_test_queue_destroy(vhost_user_test_cleanup, server); | |
e364c703 | 690 | |
a3ebd6e0 PB |
691 | return server; |
692 | } | |
e364c703 | 693 | |
a3ebd6e0 PB |
694 | static void test_read_guest_mem(void *obj, void *arg, QGuestAllocator *alloc) |
695 | { | |
696 | TestServer *server = arg; | |
e364c703 | 697 | |
3b72ca38 | 698 | if (!wait_for_fds(server)) { |
a3ebd6e0 | 699 | return; |
3b72ca38 PB |
700 | } |
701 | ||
bae6b59d | 702 | read_guest_mem_server(global_qtest, server); |
e364c703 MC |
703 | } |
704 | ||
a3ebd6e0 | 705 | static void test_migrate(void *obj, void *arg, QGuestAllocator *alloc) |
b1819747 | 706 | { |
a3ebd6e0 | 707 | TestServer *s = arg; |
b1819747 | 708 | TestServer *dest = test_server_new("dest"); |
a3ebd6e0 | 709 | GString *dest_cmdline = g_string_new(qos_get_current_command_line()); |
a899b1ea | 710 | char *uri = g_strdup_printf("%s%s", "unix:", dest->mig_path); |
a3ebd6e0 | 711 | QTestState *to; |
1d9edff7 | 712 | GSource *source; |
b1819747 MAL |
713 | QDict *rsp; |
714 | guint8 *log; | |
715 | guint64 size; | |
716 | ||
3b72ca38 | 717 | if (!wait_for_fds(s)) { |
a3ebd6e0 | 718 | return; |
3b72ca38 PB |
719 | } |
720 | ||
b1819747 | 721 | size = get_log_size(s); |
0f9fe580 | 722 | g_assert_cmpint(size, ==, (256 * 1024 * 1024) / (VHOST_LOG_PAGE * 8)); |
b1819747 | 723 | |
a3ebd6e0 PB |
724 | test_server_listen(dest); |
725 | g_string_append_printf(dest_cmdline, " -incoming %s", uri); | |
726 | append_mem_opts(dest, dest_cmdline, 256, TEST_MEMFD_AUTO); | |
727 | append_vhost_opts(dest, dest_cmdline, ""); | |
728 | to = qtest_init(dest_cmdline->str); | |
729 | ||
730 | /* This would be where you call qos_allocate_objects(to, NULL), if you want | |
731 | * to talk to the QVirtioNet object on the destination. | |
732 | */ | |
b1819747 | 733 | |
1d9edff7 MAL |
734 | source = g_source_new(&test_migrate_source_funcs, |
735 | sizeof(TestMigrateSource)); | |
736 | ((TestMigrateSource *)source)->src = s; | |
737 | ((TestMigrateSource *)source)->dest = dest; | |
7d0ca3e7 | 738 | g_source_attach(source, s->context); |
1d9edff7 | 739 | |
b1819747 MAL |
740 | /* slow down migration to have time to fiddle with log */ |
741 | /* TODO: qtest could learn to break on some places */ | |
742 | rsp = qmp("{ 'execute': 'migrate_set_speed'," | |
743 | "'arguments': { 'value': 10 } }"); | |
744 | g_assert(qdict_haskey(rsp, "return")); | |
cb3e7f08 | 745 | qobject_unref(rsp); |
b1819747 | 746 | |
015715f5 | 747 | rsp = qmp("{ 'execute': 'migrate', 'arguments': { 'uri': %s } }", uri); |
b1819747 | 748 | g_assert(qdict_haskey(rsp, "return")); |
cb3e7f08 | 749 | qobject_unref(rsp); |
b1819747 MAL |
750 | |
751 | wait_for_log_fd(s); | |
752 | ||
753 | log = mmap(0, size, PROT_READ | PROT_WRITE, MAP_SHARED, s->log_fd, 0); | |
754 | g_assert(log != MAP_FAILED); | |
755 | ||
756 | /* modify first page */ | |
757 | write_guest_mem(s, 0x42); | |
758 | log[0] = 1; | |
759 | munmap(log, size); | |
760 | ||
761 | /* speed things up */ | |
762 | rsp = qmp("{ 'execute': 'migrate_set_speed'," | |
763 | "'arguments': { 'value': 0 } }"); | |
764 | g_assert(qdict_haskey(rsp, "return")); | |
cb3e7f08 | 765 | qobject_unref(rsp); |
b1819747 MAL |
766 | |
767 | qmp_eventwait("STOP"); | |
bae6b59d | 768 | qtest_qmp_eventwait(to, "RESUME"); |
b1819747 | 769 | |
bae6b59d PB |
770 | g_assert(wait_for_fds(dest)); |
771 | read_guest_mem_server(to, dest); | |
b1819747 | 772 | |
1d9edff7 MAL |
773 | g_source_destroy(source); |
774 | g_source_unref(source); | |
775 | ||
a3ebd6e0 | 776 | qtest_quit(to); |
b1819747 | 777 | test_server_free(dest); |
a899b1ea | 778 | g_free(uri); |
b1819747 MAL |
779 | } |
780 | ||
4616e359 MAL |
781 | static void wait_for_rings_started(TestServer *s, size_t count) |
782 | { | |
783 | gint64 end_time; | |
784 | ||
785 | g_mutex_lock(&s->data_mutex); | |
786 | end_time = g_get_monotonic_time() + 5 * G_TIME_SPAN_SECOND; | |
787 | while (ctpop64(s->rings) != count) { | |
788 | if (!g_cond_wait_until(&s->data_cond, &s->data_mutex, end_time)) { | |
789 | /* timeout has passed */ | |
790 | g_assert_cmpint(ctpop64(s->rings), ==, count); | |
791 | break; | |
792 | } | |
793 | } | |
794 | ||
795 | g_mutex_unlock(&s->data_mutex); | |
796 | } | |
797 | ||
20784087 PMD |
798 | static inline void test_server_connect(TestServer *server) |
799 | { | |
800 | test_server_create_chr(server, ",reconnect=1"); | |
801 | } | |
802 | ||
4616e359 MAL |
803 | static gboolean |
804 | reconnect_cb(gpointer user_data) | |
805 | { | |
806 | TestServer *s = user_data; | |
807 | ||
5345fdb4 | 808 | qemu_chr_fe_disconnect(&s->chr); |
4616e359 MAL |
809 | |
810 | return FALSE; | |
811 | } | |
812 | ||
813 | static gpointer | |
814 | connect_thread(gpointer data) | |
815 | { | |
816 | TestServer *s = data; | |
817 | ||
818 | /* wait for qemu to start before first try, to avoid extra warnings */ | |
819 | g_usleep(G_USEC_PER_SEC); | |
820 | test_server_connect(s); | |
821 | ||
822 | return NULL; | |
823 | } | |
824 | ||
a3ebd6e0 | 825 | static void *vhost_user_test_setup_reconnect(GString *cmd_line, void *arg) |
4616e359 MAL |
826 | { |
827 | TestServer *s = test_server_new("reconnect"); | |
4616e359 MAL |
828 | |
829 | g_thread_new("connect", connect_thread, s); | |
a3ebd6e0 PB |
830 | append_mem_opts(s, cmd_line, 256, TEST_MEMFD_AUTO); |
831 | append_vhost_opts(s, cmd_line, ",server"); | |
832 | ||
833 | g_test_queue_destroy(vhost_user_test_cleanup, s); | |
834 | ||
835 | return s; | |
836 | } | |
837 | ||
838 | static void test_reconnect(void *obj, void *arg, QGuestAllocator *alloc) | |
839 | { | |
840 | TestServer *s = arg; | |
841 | GSource *src; | |
4616e359 | 842 | |
3b72ca38 | 843 | if (!wait_for_fds(s)) { |
a3ebd6e0 | 844 | return; |
3b72ca38 PB |
845 | } |
846 | ||
4616e359 MAL |
847 | wait_for_rings_started(s, 2); |
848 | ||
849 | /* reconnect */ | |
850 | s->fds_num = 0; | |
851 | s->rings = 0; | |
7d0ca3e7 PB |
852 | src = g_idle_source_new(); |
853 | g_source_set_callback(src, reconnect_cb, s, NULL); | |
854 | g_source_attach(src, s->context); | |
855 | g_source_unref(src); | |
3b72ca38 | 856 | g_assert(wait_for_fds(s)); |
4616e359 | 857 | wait_for_rings_started(s, 2); |
4616e359 MAL |
858 | } |
859 | ||
a3ebd6e0 | 860 | static void *vhost_user_test_setup_connect_fail(GString *cmd_line, void *arg) |
5d443f5a MAL |
861 | { |
862 | TestServer *s = test_server_new("connect-fail"); | |
5d443f5a MAL |
863 | |
864 | s->test_fail = true; | |
5d443f5a | 865 | |
a3ebd6e0 PB |
866 | g_thread_new("connect", connect_thread, s); |
867 | append_mem_opts(s, cmd_line, 256, TEST_MEMFD_AUTO); | |
868 | append_vhost_opts(s, cmd_line, ",server"); | |
026eb179 | 869 | |
a3ebd6e0 | 870 | g_test_queue_destroy(vhost_user_test_cleanup, s); |
5d443f5a | 871 | |
a3ebd6e0 | 872 | return s; |
5d443f5a MAL |
873 | } |
874 | ||
a3ebd6e0 | 875 | static void *vhost_user_test_setup_flags_mismatch(GString *cmd_line, void *arg) |
9294d76c MAL |
876 | { |
877 | TestServer *s = test_server_new("flags-mismatch"); | |
9294d76c MAL |
878 | |
879 | s->test_flags = TEST_FLAGS_DISCONNECT; | |
9294d76c | 880 | |
a3ebd6e0 PB |
881 | g_thread_new("connect", connect_thread, s); |
882 | append_mem_opts(s, cmd_line, 256, TEST_MEMFD_AUTO); | |
883 | append_vhost_opts(s, cmd_line, ",server"); | |
9294d76c | 884 | |
a3ebd6e0 | 885 | g_test_queue_destroy(vhost_user_test_cleanup, s); |
026eb179 | 886 | |
a3ebd6e0 | 887 | return s; |
9294d76c MAL |
888 | } |
889 | ||
a3ebd6e0 | 890 | static void test_vhost_user_started(void *obj, void *arg, QGuestAllocator *alloc) |
9294d76c | 891 | { |
a3ebd6e0 | 892 | TestServer *s = arg; |
9294d76c | 893 | |
a3ebd6e0 PB |
894 | if (!wait_for_fds(s)) { |
895 | return; | |
896 | } | |
897 | wait_for_rings_started(s, 2); | |
898 | } | |
4616e359 | 899 | |
a3ebd6e0 | 900 | static void *vhost_user_test_setup_multiqueue(GString *cmd_line, void *arg) |
ed0a8d92 | 901 | { |
a3ebd6e0 PB |
902 | TestServer *s = vhost_user_test_setup(cmd_line, arg); |
903 | ||
459f5d29 | 904 | s->queues = 2; |
a3ebd6e0 PB |
905 | g_string_append_printf(cmd_line, |
906 | " -set netdev.hs0.queues=%d" | |
907 | " -global virtio-net-pci.vectors=%d", | |
908 | s->queues, s->queues * 2 + 2); | |
ed0a8d92 | 909 | |
a3ebd6e0 PB |
910 | return s; |
911 | } | |
ed0a8d92 | 912 | |
a3ebd6e0 PB |
913 | static void test_multiqueue(void *obj, void *arg, QGuestAllocator *alloc) |
914 | { | |
915 | TestServer *s = arg; | |
ed0a8d92 | 916 | |
459f5d29 | 917 | wait_for_rings_started(s, s->queues * 2); |
ed0a8d92 MAL |
918 | } |
919 | ||
a3ebd6e0 | 920 | static void register_vhost_user_test(void) |
a77e6b14 | 921 | { |
a3ebd6e0 PB |
922 | QOSGraphTestOptions opts = { |
923 | .before = vhost_user_test_setup, | |
924 | .subprocess = true, | |
925 | }; | |
a77e6b14 | 926 | |
ae31fb54 | 927 | qemu_add_opts(&qemu_chardev_opts); |
a77e6b14 | 928 | |
a3ebd6e0 PB |
929 | qos_add_test("vhost-user/read-guest-mem/memfile", |
930 | "virtio-net", | |
931 | test_read_guest_mem, &opts); | |
932 | ||
38296400 | 933 | if (qemu_memfd_check(0)) { |
a3ebd6e0 PB |
934 | opts.before = vhost_user_test_setup_memfd; |
935 | qos_add_test("vhost-user/read-guest-mem/memfd", | |
936 | "virtio-net", | |
937 | test_read_guest_mem, &opts); | |
8e029fd6 | 938 | } |
a3ebd6e0 PB |
939 | |
940 | qos_add_test("vhost-user/migrate", | |
941 | "virtio-net", | |
942 | test_migrate, &opts); | |
20784087 | 943 | |
7a9ec654 MAL |
944 | /* keeps failing on build-system since Aug 15 2017 */ |
945 | if (getenv("QTEST_VHOST_USER_FIXME")) { | |
a3ebd6e0 PB |
946 | opts.before = vhost_user_test_setup_reconnect; |
947 | qos_add_test("vhost-user/reconnect", "virtio-net", | |
948 | test_reconnect, &opts); | |
949 | ||
950 | opts.before = vhost_user_test_setup_connect_fail; | |
951 | qos_add_test("vhost-user/connect-fail", "virtio-net", | |
952 | test_vhost_user_started, &opts); | |
953 | ||
954 | opts.before = vhost_user_test_setup_flags_mismatch; | |
955 | qos_add_test("vhost-user/flags-mismatch", "virtio-net", | |
956 | test_vhost_user_started, &opts); | |
7a9ec654 | 957 | } |
a77e6b14 | 958 | |
a3ebd6e0 PB |
959 | opts.before = vhost_user_test_setup_multiqueue; |
960 | opts.edge.extra_device_opts = "mq=on"; | |
961 | qos_add_test("vhost-user/multiqueue", | |
962 | "virtio-net", | |
963 | test_multiqueue, &opts); | |
a77e6b14 | 964 | } |
a3ebd6e0 | 965 | libqos_init(register_vhost_user_test); |