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11#include "qemu/osdep.h"
12
13#include "libqtest.h"
14#include "qapi/error.h"
15#include "qemu/config-file.h"
16#include "qemu/option.h"
17#include "qemu/range.h"
18#include "qemu/sockets.h"
19#include "chardev/char-fe.h"
20#include "sysemu/sysemu.h"
21#include "libqos/libqos.h"
22#include "libqos/pci-pc.h"
23#include "libqos/virtio-pci.h"
24#include "qapi/error.h"
25
26#include "libqos/malloc-pc.h"
27#include "hw/virtio/virtio-net.h"
28
29#include <linux/vhost.h>
30#include <linux/virtio_ids.h>
31#include <linux/virtio_net.h>
32#include <sys/vfs.h>
33
34
35#if !GLIB_CHECK_VERSION(2, 26, 0)
36#define G_TIME_SPAN_SECOND (G_GINT64_CONSTANT(1000000))
37#endif
38
39#if GLIB_CHECK_VERSION(2, 28, 0)
40#define HAVE_MONOTONIC_TIME
41#endif
42
43#define QEMU_CMD_MEM " -m %d -object memory-backend-file,id=mem,size=%dM,"\
44 "mem-path=%s,share=on -numa node,memdev=mem"
45#define QEMU_CMD_CHR " -chardev socket,id=%s,path=%s%s"
46#define QEMU_CMD_NETDEV " -netdev vhost-user,id=net0,chardev=%s,vhostforce"
47#define QEMU_CMD_NET " -device virtio-net-pci,netdev=net0"
48
49#define QEMU_CMD QEMU_CMD_MEM QEMU_CMD_CHR \
50 QEMU_CMD_NETDEV QEMU_CMD_NET
51
52#define HUGETLBFS_MAGIC 0x958458f6
53
54
55
56#define VHOST_MEMORY_MAX_NREGIONS 8
57
58#define VHOST_USER_F_PROTOCOL_FEATURES 30
59#define VHOST_USER_PROTOCOL_F_MQ 0
60#define VHOST_USER_PROTOCOL_F_LOG_SHMFD 1
61
62#define VHOST_LOG_PAGE 0x1000
63
64typedef enum VhostUserRequest {
65 VHOST_USER_NONE = 0,
66 VHOST_USER_GET_FEATURES = 1,
67 VHOST_USER_SET_FEATURES = 2,
68 VHOST_USER_SET_OWNER = 3,
69 VHOST_USER_RESET_OWNER = 4,
70 VHOST_USER_SET_MEM_TABLE = 5,
71 VHOST_USER_SET_LOG_BASE = 6,
72 VHOST_USER_SET_LOG_FD = 7,
73 VHOST_USER_SET_VRING_NUM = 8,
74 VHOST_USER_SET_VRING_ADDR = 9,
75 VHOST_USER_SET_VRING_BASE = 10,
76 VHOST_USER_GET_VRING_BASE = 11,
77 VHOST_USER_SET_VRING_KICK = 12,
78 VHOST_USER_SET_VRING_CALL = 13,
79 VHOST_USER_SET_VRING_ERR = 14,
80 VHOST_USER_GET_PROTOCOL_FEATURES = 15,
81 VHOST_USER_SET_PROTOCOL_FEATURES = 16,
82 VHOST_USER_GET_QUEUE_NUM = 17,
83 VHOST_USER_SET_VRING_ENABLE = 18,
84 VHOST_USER_MAX
85} VhostUserRequest;
86
87typedef struct VhostUserMemoryRegion {
88 uint64_t guest_phys_addr;
89 uint64_t memory_size;
90 uint64_t userspace_addr;
91 uint64_t mmap_offset;
92} VhostUserMemoryRegion;
93
94typedef struct VhostUserMemory {
95 uint32_t nregions;
96 uint32_t padding;
97 VhostUserMemoryRegion regions[VHOST_MEMORY_MAX_NREGIONS];
98} VhostUserMemory;
99
100typedef struct VhostUserLog {
101 uint64_t mmap_size;
102 uint64_t mmap_offset;
103} VhostUserLog;
104
105typedef struct VhostUserMsg {
106 VhostUserRequest request;
107
108#define VHOST_USER_VERSION_MASK (0x3)
109#define VHOST_USER_REPLY_MASK (0x1<<2)
110 uint32_t flags;
111 uint32_t size;
112 union {
113#define VHOST_USER_VRING_IDX_MASK (0xff)
114#define VHOST_USER_VRING_NOFD_MASK (0x1<<8)
115 uint64_t u64;
116 struct vhost_vring_state state;
117 struct vhost_vring_addr addr;
118 VhostUserMemory memory;
119 VhostUserLog log;
120 } payload;
121} QEMU_PACKED VhostUserMsg;
122
123static VhostUserMsg m __attribute__ ((unused));
124#define VHOST_USER_HDR_SIZE (sizeof(m.request) \
125 + sizeof(m.flags) \
126 + sizeof(m.size))
127
128#define VHOST_USER_PAYLOAD_SIZE (sizeof(m) - VHOST_USER_HDR_SIZE)
129
130
131#define VHOST_USER_VERSION (0x1)
132
133
134enum {
135 TEST_FLAGS_OK,
136 TEST_FLAGS_DISCONNECT,
137 TEST_FLAGS_BAD,
138 TEST_FLAGS_END,
139};
140
141typedef struct TestServer {
142 QPCIBus *bus;
143 gchar *socket_path;
144 gchar *mig_path;
145 gchar *chr_name;
146 CharBackend chr;
147 int fds_num;
148 int fds[VHOST_MEMORY_MAX_NREGIONS];
149 VhostUserMemory memory;
150 CompatGMutex data_mutex;
151 CompatGCond data_cond;
152 int log_fd;
153 uint64_t rings;
154 bool test_fail;
155 int test_flags;
156 int queues;
157} TestServer;
158
159static const char *tmpfs;
160static const char *root;
161
162static void init_virtio_dev(TestServer *s)
163{
164 QVirtioPCIDevice *dev;
165 uint32_t features;
166
167 s->bus = qpci_init_pc(NULL);
168 g_assert_nonnull(s->bus);
169
170 dev = qvirtio_pci_device_find(s->bus, VIRTIO_ID_NET);
171 g_assert_nonnull(dev);
172
173 qvirtio_pci_device_enable(dev);
174 qvirtio_reset(&dev->vdev);
175 qvirtio_set_acknowledge(&dev->vdev);
176 qvirtio_set_driver(&dev->vdev);
177
178 features = qvirtio_get_features(&dev->vdev);
179 features = features & VIRTIO_NET_F_MAC;
180 qvirtio_set_features(&dev->vdev, features);
181
182 qvirtio_set_driver_ok(&dev->vdev);
183 qvirtio_pci_device_free(dev);
184}
185
186static void wait_for_fds(TestServer *s)
187{
188 gint64 end_time;
189
190 g_mutex_lock(&s->data_mutex);
191
192 end_time = g_get_monotonic_time() + 5 * G_TIME_SPAN_SECOND;
193 while (!s->fds_num) {
194 if (!g_cond_wait_until(&s->data_cond, &s->data_mutex, end_time)) {
195
196 g_assert(s->fds_num);
197 break;
198 }
199 }
200
201
202 g_assert_cmpint(s->fds_num, >, 0);
203 g_assert_cmpint(s->fds_num, ==, s->memory.nregions);
204
205 g_mutex_unlock(&s->data_mutex);
206}
207
208static void read_guest_mem(const void *data)
209{
210 TestServer *s = (void *)data;
211 uint32_t *guest_mem;
212 int i, j;
213 size_t size;
214
215 wait_for_fds(s);
216
217 g_mutex_lock(&s->data_mutex);
218
219
220 for (i = 0; i < s->fds_num; i++) {
221
222
223 if (s->memory.regions[i].guest_phys_addr != 0x0) {
224 continue;
225 }
226
227 g_assert_cmpint(s->memory.regions[i].memory_size, >, 1024);
228
229 size = s->memory.regions[i].memory_size +
230 s->memory.regions[i].mmap_offset;
231
232 guest_mem = mmap(0, size, PROT_READ | PROT_WRITE,
233 MAP_SHARED, s->fds[i], 0);
234
235 g_assert(guest_mem != MAP_FAILED);
236 guest_mem += (s->memory.regions[i].mmap_offset / sizeof(*guest_mem));
237
238 for (j = 0; j < 256; j++) {
239 uint32_t a = readl(s->memory.regions[i].guest_phys_addr + j*4);
240 uint32_t b = guest_mem[j];
241
242 g_assert_cmpint(a, ==, b);
243 }
244
245 munmap(guest_mem, s->memory.regions[i].memory_size);
246 }
247
248 g_mutex_unlock(&s->data_mutex);
249}
250
251static void *thread_function(void *data)
252{
253 GMainLoop *loop = data;
254 g_main_loop_run(loop);
255 return NULL;
256}
257
258static int chr_can_read(void *opaque)
259{
260 return VHOST_USER_HDR_SIZE;
261}
262
263static void chr_read(void *opaque, const uint8_t *buf, int size)
264{
265 TestServer *s = opaque;
266 CharBackend *chr = &s->chr;
267 VhostUserMsg msg;
268 uint8_t *p = (uint8_t *) &msg;
269 int fd;
270
271 if (s->test_fail) {
272 qemu_chr_fe_disconnect(chr);
273
274 s->test_fail = false;
275 }
276
277 if (size != VHOST_USER_HDR_SIZE) {
278 g_test_message("Wrong message size received %d\n", size);
279 return;
280 }
281
282 g_mutex_lock(&s->data_mutex);
283 memcpy(p, buf, VHOST_USER_HDR_SIZE);
284
285 if (msg.size) {
286 p += VHOST_USER_HDR_SIZE;
287 size = qemu_chr_fe_read_all(chr, p, msg.size);
288 if (size != msg.size) {
289 g_test_message("Wrong message size received %d != %d\n",
290 size, msg.size);
291 return;
292 }
293 }
294
295 switch (msg.request) {
296 case VHOST_USER_GET_FEATURES:
297
298 msg.flags |= VHOST_USER_REPLY_MASK;
299 msg.size = sizeof(m.payload.u64);
300 msg.payload.u64 = 0x1ULL << VHOST_F_LOG_ALL |
301 0x1ULL << VHOST_USER_F_PROTOCOL_FEATURES;
302 if (s->queues > 1) {
303 msg.payload.u64 |= 0x1ULL << VIRTIO_NET_F_MQ;
304 }
305 if (s->test_flags >= TEST_FLAGS_BAD) {
306 msg.payload.u64 = 0;
307 s->test_flags = TEST_FLAGS_END;
308 }
309 p = (uint8_t *) &msg;
310 qemu_chr_fe_write_all(chr, p, VHOST_USER_HDR_SIZE + msg.size);
311 break;
312
313 case VHOST_USER_SET_FEATURES:
314 g_assert_cmpint(msg.payload.u64 & (0x1ULL << VHOST_USER_F_PROTOCOL_FEATURES),
315 !=, 0ULL);
316 if (s->test_flags == TEST_FLAGS_DISCONNECT) {
317 qemu_chr_fe_disconnect(chr);
318 s->test_flags = TEST_FLAGS_BAD;
319 }
320 break;
321
322 case VHOST_USER_GET_PROTOCOL_FEATURES:
323
324 msg.flags |= VHOST_USER_REPLY_MASK;
325 msg.size = sizeof(m.payload.u64);
326 msg.payload.u64 = 1 << VHOST_USER_PROTOCOL_F_LOG_SHMFD;
327 if (s->queues > 1) {
328 msg.payload.u64 |= 1 << VHOST_USER_PROTOCOL_F_MQ;
329 }
330 p = (uint8_t *) &msg;
331 qemu_chr_fe_write_all(chr, p, VHOST_USER_HDR_SIZE + msg.size);
332 break;
333
334 case VHOST_USER_GET_VRING_BASE:
335
336 msg.flags |= VHOST_USER_REPLY_MASK;
337 msg.size = sizeof(m.payload.state);
338 msg.payload.state.num = 0;
339 p = (uint8_t *) &msg;
340 qemu_chr_fe_write_all(chr, p, VHOST_USER_HDR_SIZE + msg.size);
341
342 assert(msg.payload.state.index < s->queues * 2);
343 s->rings &= ~(0x1ULL << msg.payload.state.index);
344 break;
345
346 case VHOST_USER_SET_MEM_TABLE:
347
348 memcpy(&s->memory, &msg.payload.memory, sizeof(msg.payload.memory));
349 s->fds_num = qemu_chr_fe_get_msgfds(chr, s->fds,
350 G_N_ELEMENTS(s->fds));
351
352
353 g_cond_signal(&s->data_cond);
354 break;
355
356 case VHOST_USER_SET_VRING_KICK:
357 case VHOST_USER_SET_VRING_CALL:
358
359 qemu_chr_fe_get_msgfds(chr, &fd, 1);
360
361
362
363
364
365 qemu_set_nonblock(fd);
366 break;
367
368 case VHOST_USER_SET_LOG_BASE:
369 if (s->log_fd != -1) {
370 close(s->log_fd);
371 s->log_fd = -1;
372 }
373 qemu_chr_fe_get_msgfds(chr, &s->log_fd, 1);
374 msg.flags |= VHOST_USER_REPLY_MASK;
375 msg.size = 0;
376 p = (uint8_t *) &msg;
377 qemu_chr_fe_write_all(chr, p, VHOST_USER_HDR_SIZE);
378
379 g_cond_signal(&s->data_cond);
380 break;
381
382 case VHOST_USER_SET_VRING_BASE:
383 assert(msg.payload.state.index < s->queues * 2);
384 s->rings |= 0x1ULL << msg.payload.state.index;
385 break;
386
387 case VHOST_USER_GET_QUEUE_NUM:
388 msg.flags |= VHOST_USER_REPLY_MASK;
389 msg.size = sizeof(m.payload.u64);
390 msg.payload.u64 = s->queues;
391 p = (uint8_t *) &msg;
392 qemu_chr_fe_write_all(chr, p, VHOST_USER_HDR_SIZE + msg.size);
393 break;
394
395 default:
396 break;
397 }
398
399 g_mutex_unlock(&s->data_mutex);
400}
401
402static const char *init_hugepagefs(const char *path)
403{
404 struct statfs fs;
405 int ret;
406
407 if (access(path, R_OK | W_OK | X_OK)) {
408 g_test_message("access on path (%s): %s\n", path, strerror(errno));
409 return NULL;
410 }
411
412 do {
413 ret = statfs(path, &fs);
414 } while (ret != 0 && errno == EINTR);
415
416 if (ret != 0) {
417 g_test_message("statfs on path (%s): %s\n", path, strerror(errno));
418 return NULL;
419 }
420
421 if (fs.f_type != HUGETLBFS_MAGIC) {
422 g_test_message("Warning: path not on HugeTLBFS: %s\n", path);
423 return NULL;
424 }
425
426 return path;
427}
428
429static TestServer *test_server_new(const gchar *name)
430{
431 TestServer *server = g_new0(TestServer, 1);
432
433 server->socket_path = g_strdup_printf("%s/%s.sock", tmpfs, name);
434 server->mig_path = g_strdup_printf("%s/%s.mig", tmpfs, name);
435 server->chr_name = g_strdup_printf("chr-%s", name);
436
437 g_mutex_init(&server->data_mutex);
438 g_cond_init(&server->data_cond);
439
440 server->log_fd = -1;
441 server->queues = 1;
442
443 return server;
444}
445
446static void chr_event(void *opaque, int event)
447{
448 TestServer *s = opaque;
449
450 if (s->test_flags == TEST_FLAGS_END &&
451 event == CHR_EVENT_CLOSED) {
452 s->test_flags = TEST_FLAGS_OK;
453 }
454}
455
456static void test_server_create_chr(TestServer *server, const gchar *opt)
457{
458 gchar *chr_path;
459 Chardev *chr;
460
461 chr_path = g_strdup_printf("unix:%s%s", server->socket_path, opt);
462 chr = qemu_chr_new(server->chr_name, chr_path);
463 g_free(chr_path);
464
465 qemu_chr_fe_init(&server->chr, chr, &error_abort);
466 qemu_chr_fe_set_handlers(&server->chr, chr_can_read, chr_read,
467 chr_event, NULL, server, NULL, true);
468}
469
470static void test_server_listen(TestServer *server)
471{
472 test_server_create_chr(server, ",server,nowait");
473}
474
475static inline void test_server_connect(TestServer *server)
476{
477 test_server_create_chr(server, ",reconnect=1");
478}
479
480#define GET_QEMU_CMD(s) \
481 g_strdup_printf(QEMU_CMD, 512, 512, (root), (s)->chr_name, \
482 (s)->socket_path, "", (s)->chr_name)
483
484#define GET_QEMU_CMDE(s, mem, chr_opts, extra, ...) \
485 g_strdup_printf(QEMU_CMD extra, (mem), (mem), (root), (s)->chr_name, \
486 (s)->socket_path, (chr_opts), (s)->chr_name, ##__VA_ARGS__)
487
488static gboolean _test_server_free(TestServer *server)
489{
490 int i;
491
492 qemu_chr_fe_deinit(&server->chr, true);
493
494 for (i = 0; i < server->fds_num; i++) {
495 close(server->fds[i]);
496 }
497
498 if (server->log_fd != -1) {
499 close(server->log_fd);
500 }
501
502 unlink(server->socket_path);
503 g_free(server->socket_path);
504
505 unlink(server->mig_path);
506 g_free(server->mig_path);
507
508 g_free(server->chr_name);
509 qpci_free_pc(server->bus);
510
511 g_free(server);
512
513 return FALSE;
514}
515
516static void test_server_free(TestServer *server)
517{
518 g_idle_add((GSourceFunc)_test_server_free, server);
519}
520
521static void wait_for_log_fd(TestServer *s)
522{
523 gint64 end_time;
524
525 g_mutex_lock(&s->data_mutex);
526 end_time = g_get_monotonic_time() + 5 * G_TIME_SPAN_SECOND;
527 while (s->log_fd == -1) {
528 if (!g_cond_wait_until(&s->data_cond, &s->data_mutex, end_time)) {
529
530 g_assert(s->log_fd != -1);
531 break;
532 }
533 }
534
535 g_mutex_unlock(&s->data_mutex);
536}
537
538static void write_guest_mem(TestServer *s, uint32_t seed)
539{
540 uint32_t *guest_mem;
541 int i, j;
542 size_t size;
543
544 wait_for_fds(s);
545
546
547 for (i = 0; i < s->fds_num; i++) {
548
549
550 if (s->memory.regions[i].guest_phys_addr != 0x0) {
551 continue;
552 }
553
554 g_assert_cmpint(s->memory.regions[i].memory_size, >, 1024);
555
556 size = s->memory.regions[i].memory_size +
557 s->memory.regions[i].mmap_offset;
558
559 guest_mem = mmap(0, size, PROT_READ | PROT_WRITE,
560 MAP_SHARED, s->fds[i], 0);
561
562 g_assert(guest_mem != MAP_FAILED);
563 guest_mem += (s->memory.regions[i].mmap_offset / sizeof(*guest_mem));
564
565 for (j = 0; j < 256; j++) {
566 guest_mem[j] = seed + j;
567 }
568
569 munmap(guest_mem, s->memory.regions[i].memory_size);
570 break;
571 }
572}
573
574static guint64 get_log_size(TestServer *s)
575{
576 guint64 log_size = 0;
577 int i;
578
579 for (i = 0; i < s->memory.nregions; ++i) {
580 VhostUserMemoryRegion *reg = &s->memory.regions[i];
581 guint64 last = range_get_last(reg->guest_phys_addr,
582 reg->memory_size);
583 log_size = MAX(log_size, last / (8 * VHOST_LOG_PAGE) + 1);
584 }
585
586 return log_size;
587}
588
589typedef struct TestMigrateSource {
590 GSource source;
591 TestServer *src;
592 TestServer *dest;
593} TestMigrateSource;
594
595static gboolean
596test_migrate_source_check(GSource *source)
597{
598 TestMigrateSource *t = (TestMigrateSource *)source;
599 gboolean overlap = t->src->rings && t->dest->rings;
600
601 g_assert(!overlap);
602
603 return FALSE;
604}
605
606#if !GLIB_CHECK_VERSION(2,36,0)
607
608
609static gboolean
610test_migrate_source_prepare(GSource *source, gint *timeout)
611{
612 *timeout = -1;
613 return FALSE;
614}
615#endif
616
617GSourceFuncs test_migrate_source_funcs = {
618#if !GLIB_CHECK_VERSION(2,36,0)
619 .prepare = test_migrate_source_prepare,
620#endif
621 .check = test_migrate_source_check,
622};
623
624static void test_migrate(void)
625{
626 TestServer *s = test_server_new("src");
627 TestServer *dest = test_server_new("dest");
628 char *uri = g_strdup_printf("%s%s", "unix:", dest->mig_path);
629 QTestState *global = global_qtest, *from, *to;
630 GSource *source;
631 gchar *cmd;
632 QDict *rsp;
633 guint8 *log;
634 guint64 size;
635
636 test_server_listen(s);
637 test_server_listen(dest);
638
639 cmd = GET_QEMU_CMDE(s, 2, "", "");
640 from = qtest_start(cmd);
641 g_free(cmd);
642
643 init_virtio_dev(s);
644 wait_for_fds(s);
645 size = get_log_size(s);
646 g_assert_cmpint(size, ==, (2 * 1024 * 1024) / (VHOST_LOG_PAGE * 8));
647
648 cmd = GET_QEMU_CMDE(dest, 2, "", " -incoming %s", uri);
649 to = qtest_init(cmd);
650 g_free(cmd);
651
652 source = g_source_new(&test_migrate_source_funcs,
653 sizeof(TestMigrateSource));
654 ((TestMigrateSource *)source)->src = s;
655 ((TestMigrateSource *)source)->dest = dest;
656 g_source_attach(source, NULL);
657
658
659
660 rsp = qmp("{ 'execute': 'migrate_set_speed',"
661 "'arguments': { 'value': 10 } }");
662 g_assert(qdict_haskey(rsp, "return"));
663 QDECREF(rsp);
664
665 cmd = g_strdup_printf("{ 'execute': 'migrate',"
666 "'arguments': { 'uri': '%s' } }",
667 uri);
668 rsp = qmp(cmd);
669 g_free(cmd);
670 g_assert(qdict_haskey(rsp, "return"));
671 QDECREF(rsp);
672
673 wait_for_log_fd(s);
674
675 log = mmap(0, size, PROT_READ | PROT_WRITE, MAP_SHARED, s->log_fd, 0);
676 g_assert(log != MAP_FAILED);
677
678
679 write_guest_mem(s, 0x42);
680 log[0] = 1;
681 munmap(log, size);
682
683
684 rsp = qmp("{ 'execute': 'migrate_set_speed',"
685 "'arguments': { 'value': 0 } }");
686 g_assert(qdict_haskey(rsp, "return"));
687 QDECREF(rsp);
688
689 qmp_eventwait("STOP");
690
691 global_qtest = to;
692 qmp_eventwait("RESUME");
693
694 read_guest_mem(dest);
695
696 g_source_destroy(source);
697 g_source_unref(source);
698
699 qtest_quit(to);
700 test_server_free(dest);
701 qtest_quit(from);
702 test_server_free(s);
703 g_free(uri);
704
705 global_qtest = global;
706}
707
708static void wait_for_rings_started(TestServer *s, size_t count)
709{
710 gint64 end_time;
711
712 g_mutex_lock(&s->data_mutex);
713 end_time = g_get_monotonic_time() + 5 * G_TIME_SPAN_SECOND;
714 while (ctpop64(s->rings) != count) {
715 if (!g_cond_wait_until(&s->data_cond, &s->data_mutex, end_time)) {
716
717 g_assert_cmpint(ctpop64(s->rings), ==, count);
718 break;
719 }
720 }
721
722 g_mutex_unlock(&s->data_mutex);
723}
724
725#ifdef CONFIG_HAS_GLIB_SUBPROCESS_TESTS
726static gboolean
727reconnect_cb(gpointer user_data)
728{
729 TestServer *s = user_data;
730
731 qemu_chr_fe_disconnect(&s->chr);
732
733 return FALSE;
734}
735
736static gpointer
737connect_thread(gpointer data)
738{
739 TestServer *s = data;
740
741
742 g_usleep(G_USEC_PER_SEC);
743 test_server_connect(s);
744
745 return NULL;
746}
747
748static void test_reconnect_subprocess(void)
749{
750 TestServer *s = test_server_new("reconnect");
751 char *cmd;
752
753 g_thread_new("connect", connect_thread, s);
754 cmd = GET_QEMU_CMDE(s, 2, ",server", "");
755 qtest_start(cmd);
756 g_free(cmd);
757
758 init_virtio_dev(s);
759 wait_for_fds(s);
760 wait_for_rings_started(s, 2);
761
762
763 s->fds_num = 0;
764 s->rings = 0;
765 g_idle_add(reconnect_cb, s);
766 wait_for_fds(s);
767 wait_for_rings_started(s, 2);
768
769 qtest_end();
770 test_server_free(s);
771 return;
772}
773
774static void test_reconnect(void)
775{
776 gchar *path = g_strdup_printf("/%s/vhost-user/reconnect/subprocess",
777 qtest_get_arch());
778 g_test_trap_subprocess(path, 0, 0);
779 g_test_trap_assert_passed();
780 g_free(path);
781}
782
783static void test_connect_fail_subprocess(void)
784{
785 TestServer *s = test_server_new("connect-fail");
786 char *cmd;
787
788 s->test_fail = true;
789 g_thread_new("connect", connect_thread, s);
790 cmd = GET_QEMU_CMDE(s, 2, ",server", "");
791 qtest_start(cmd);
792 g_free(cmd);
793
794 init_virtio_dev(s);
795 wait_for_fds(s);
796 wait_for_rings_started(s, 2);
797
798 qtest_end();
799 test_server_free(s);
800}
801
802static void test_connect_fail(void)
803{
804 gchar *path = g_strdup_printf("/%s/vhost-user/connect-fail/subprocess",
805 qtest_get_arch());
806 g_test_trap_subprocess(path, 0, 0);
807 g_test_trap_assert_passed();
808 g_free(path);
809}
810
811static void test_flags_mismatch_subprocess(void)
812{
813 TestServer *s = test_server_new("flags-mismatch");
814 char *cmd;
815
816 s->test_flags = TEST_FLAGS_DISCONNECT;
817 g_thread_new("connect", connect_thread, s);
818 cmd = GET_QEMU_CMDE(s, 2, ",server", "");
819 qtest_start(cmd);
820 g_free(cmd);
821
822 init_virtio_dev(s);
823 wait_for_fds(s);
824 wait_for_rings_started(s, 2);
825
826 qtest_end();
827 test_server_free(s);
828}
829
830static void test_flags_mismatch(void)
831{
832 gchar *path = g_strdup_printf("/%s/vhost-user/flags-mismatch/subprocess",
833 qtest_get_arch());
834 g_test_trap_subprocess(path, 0, 0);
835 g_test_trap_assert_passed();
836 g_free(path);
837}
838
839#endif
840
841static QVirtioPCIDevice *virtio_net_pci_init(QPCIBus *bus, int slot)
842{
843 QVirtioPCIDevice *dev;
844
845 dev = qvirtio_pci_device_find(bus, VIRTIO_ID_NET);
846 g_assert(dev != NULL);
847 g_assert_cmphex(dev->vdev.device_type, ==, VIRTIO_ID_NET);
848
849 qvirtio_pci_device_enable(dev);
850 qvirtio_reset(&dev->vdev);
851 qvirtio_set_acknowledge(&dev->vdev);
852 qvirtio_set_driver(&dev->vdev);
853
854 return dev;
855}
856
857static void driver_init(QVirtioDevice *dev)
858{
859 uint32_t features;
860
861 features = qvirtio_get_features(dev);
862 features = features & ~(QVIRTIO_F_BAD_FEATURE |
863 (1u << VIRTIO_RING_F_INDIRECT_DESC) |
864 (1u << VIRTIO_RING_F_EVENT_IDX));
865 qvirtio_set_features(dev, features);
866
867 qvirtio_set_driver_ok(dev);
868}
869
870#define PCI_SLOT 0x04
871
872static void test_multiqueue(void)
873{
874 const int queues = 2;
875 TestServer *s = test_server_new("mq");
876 QVirtioPCIDevice *dev;
877 QPCIBus *bus;
878 QVirtQueuePCI *vq[queues * 2];
879 QGuestAllocator *alloc;
880 char *cmd;
881 int i;
882
883 s->queues = queues;
884 test_server_listen(s);
885
886 cmd = g_strdup_printf(QEMU_CMD_MEM QEMU_CMD_CHR QEMU_CMD_NETDEV ",queues=%d "
887 "-device virtio-net-pci,netdev=net0,mq=on,vectors=%d",
888 512, 512, root, s->chr_name,
889 s->socket_path, "", s->chr_name,
890 queues, queues * 2 + 2);
891 qtest_start(cmd);
892 g_free(cmd);
893
894 bus = qpci_init_pc(NULL);
895 dev = virtio_net_pci_init(bus, PCI_SLOT);
896
897 alloc = pc_alloc_init();
898 for (i = 0; i < queues * 2; i++) {
899 vq[i] = (QVirtQueuePCI *)qvirtqueue_setup(&dev->vdev, alloc, i);
900 }
901
902 driver_init(&dev->vdev);
903 wait_for_rings_started(s, queues * 2);
904
905
906 for (i = 0; i < queues * 2; i++) {
907 qvirtqueue_cleanup(dev->vdev.bus, &vq[i]->vq, alloc);
908 }
909 pc_alloc_uninit(alloc);
910 qvirtio_pci_device_disable(dev);
911 g_free(dev->pdev);
912 g_free(dev);
913 qpci_free_pc(bus);
914 qtest_end();
915
916 test_server_free(s);
917}
918
919int main(int argc, char **argv)
920{
921 QTestState *s = NULL;
922 TestServer *server = NULL;
923 const char *hugefs;
924 char *qemu_cmd = NULL;
925 int ret;
926 char template[] = "/tmp/vhost-test-XXXXXX";
927 GMainLoop *loop;
928 GThread *thread;
929
930 g_test_init(&argc, &argv, NULL);
931
932 module_call_init(MODULE_INIT_QOM);
933 qemu_add_opts(&qemu_chardev_opts);
934
935 tmpfs = mkdtemp(template);
936 if (!tmpfs) {
937 g_test_message("mkdtemp on path (%s): %s\n", template, strerror(errno));
938 }
939 g_assert(tmpfs);
940
941 hugefs = getenv("QTEST_HUGETLBFS_PATH");
942 if (hugefs) {
943 root = init_hugepagefs(hugefs);
944 g_assert(root);
945 } else {
946 root = tmpfs;
947 }
948
949 server = test_server_new("test");
950 test_server_listen(server);
951
952 loop = g_main_loop_new(NULL, FALSE);
953
954 thread = g_thread_new(NULL, thread_function, loop);
955
956 qemu_cmd = GET_QEMU_CMD(server);
957
958 s = qtest_start(qemu_cmd);
959 g_free(qemu_cmd);
960 init_virtio_dev(server);
961
962 qtest_add_data_func("/vhost-user/read-guest-mem", server, read_guest_mem);
963 qtest_add_func("/vhost-user/migrate", test_migrate);
964 qtest_add_func("/vhost-user/multiqueue", test_multiqueue);
965#ifdef CONFIG_HAS_GLIB_SUBPROCESS_TESTS
966 qtest_add_func("/vhost-user/reconnect/subprocess",
967 test_reconnect_subprocess);
968 qtest_add_func("/vhost-user/reconnect", test_reconnect);
969 qtest_add_func("/vhost-user/connect-fail/subprocess",
970 test_connect_fail_subprocess);
971 qtest_add_func("/vhost-user/connect-fail", test_connect_fail);
972 qtest_add_func("/vhost-user/flags-mismatch/subprocess",
973 test_flags_mismatch_subprocess);
974 qtest_add_func("/vhost-user/flags-mismatch", test_flags_mismatch);
975#endif
976
977 ret = g_test_run();
978
979 if (s) {
980 qtest_quit(s);
981 }
982
983
984 test_server_free(server);
985
986
987 g_main_loop_quit(loop);
988 g_thread_join(thread);
989 while (g_main_context_pending(NULL)) {
990 g_main_context_iteration (NULL, TRUE);
991 }
992 g_main_loop_unref(loop);
993
994 ret = rmdir(tmpfs);
995 if (ret != 0) {
996 g_test_message("unable to rmdir: path (%s): %s\n",
997 tmpfs, strerror(errno));
998 }
999 g_assert_cmpint(ret, ==, 0);
1000
1001 return ret;
1002}
1003
