io: fix FD socket handling in DNS lookup
[qemu/ar7.git] / tests / vhost-user-test.c
bloba61896c32dc6f4f66db8b78b780b246b1782a5d7
1 /*
2 * QTest testcase for the vhost-user
4 * Copyright (c) 2014 Virtual Open Systems Sarl.
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.
9 */
11 #include "qemu/osdep.h"
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 "sysemu/char.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"
26 #include "libqos/malloc-pc.h"
27 #include "hw/virtio/virtio-net.h"
29 #include <linux/vhost.h>
30 #include <linux/virtio_ids.h>
31 #include <linux/virtio_net.h>
32 #include <sys/vfs.h>
34 /* GLIB version compatibility flags */
35 #if !GLIB_CHECK_VERSION(2, 26, 0)
36 #define G_TIME_SPAN_SECOND (G_GINT64_CONSTANT(1000000))
37 #endif
39 #if GLIB_CHECK_VERSION(2, 28, 0)
40 #define HAVE_MONOTONIC_TIME
41 #endif
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"
49 #define QEMU_CMD QEMU_CMD_MEM QEMU_CMD_CHR \
50 QEMU_CMD_NETDEV QEMU_CMD_NET
52 #define HUGETLBFS_MAGIC 0x958458f6
54 /*********** FROM hw/virtio/vhost-user.c *************************************/
56 #define VHOST_MEMORY_MAX_NREGIONS 8
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
62 #define VHOST_LOG_PAGE 0x1000
64 typedef 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;
87 typedef 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;
94 typedef struct VhostUserMemory {
95 uint32_t nregions;
96 uint32_t padding;
97 VhostUserMemoryRegion regions[VHOST_MEMORY_MAX_NREGIONS];
98 } VhostUserMemory;
100 typedef struct VhostUserLog {
101 uint64_t mmap_size;
102 uint64_t mmap_offset;
103 } VhostUserLog;
105 typedef struct VhostUserMsg {
106 VhostUserRequest request;
108 #define VHOST_USER_VERSION_MASK (0x3)
109 #define VHOST_USER_REPLY_MASK (0x1<<2)
110 uint32_t flags;
111 uint32_t size; /* the following payload 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;
123 static VhostUserMsg m __attribute__ ((unused));
124 #define VHOST_USER_HDR_SIZE (sizeof(m.request) \
125 + sizeof(m.flags) \
126 + sizeof(m.size))
128 #define VHOST_USER_PAYLOAD_SIZE (sizeof(m) - VHOST_USER_HDR_SIZE)
130 /* The version of the protocol we support */
131 #define VHOST_USER_VERSION (0x1)
132 /*****************************************************************************/
134 enum {
135 TEST_FLAGS_OK,
136 TEST_FLAGS_DISCONNECT,
137 TEST_FLAGS_BAD,
138 TEST_FLAGS_END,
141 typedef 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;
159 static const char *tmpfs;
160 static const char *root;
162 static void init_virtio_dev(TestServer *s)
164 QVirtioPCIDevice *dev;
165 uint32_t features;
167 s->bus = qpci_init_pc(NULL);
168 g_assert_nonnull(s->bus);
170 dev = qvirtio_pci_device_find(s->bus, VIRTIO_ID_NET);
171 g_assert_nonnull(dev);
173 qvirtio_pci_device_enable(dev);
174 qvirtio_reset(&dev->vdev);
175 qvirtio_set_acknowledge(&dev->vdev);
176 qvirtio_set_driver(&dev->vdev);
178 features = qvirtio_get_features(&dev->vdev);
179 features = features & VIRTIO_NET_F_MAC;
180 qvirtio_set_features(&dev->vdev, features);
182 qvirtio_set_driver_ok(&dev->vdev);
183 qvirtio_pci_device_free(dev);
186 static void wait_for_fds(TestServer *s)
188 gint64 end_time;
190 g_mutex_lock(&s->data_mutex);
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 /* timeout has passed */
196 g_assert(s->fds_num);
197 break;
201 /* check for sanity */
202 g_assert_cmpint(s->fds_num, >, 0);
203 g_assert_cmpint(s->fds_num, ==, s->memory.nregions);
205 g_mutex_unlock(&s->data_mutex);
208 static void read_guest_mem(const void *data)
210 TestServer *s = (void *)data;
211 uint32_t *guest_mem;
212 int i, j;
213 size_t size;
215 wait_for_fds(s);
217 g_mutex_lock(&s->data_mutex);
219 /* iterate all regions */
220 for (i = 0; i < s->fds_num; i++) {
222 /* We'll check only the region statring at 0x0*/
223 if (s->memory.regions[i].guest_phys_addr != 0x0) {
224 continue;
227 g_assert_cmpint(s->memory.regions[i].memory_size, >, 1024);
229 size = s->memory.regions[i].memory_size +
230 s->memory.regions[i].mmap_offset;
232 guest_mem = mmap(0, size, PROT_READ | PROT_WRITE,
233 MAP_SHARED, s->fds[i], 0);
235 g_assert(guest_mem != MAP_FAILED);
236 guest_mem += (s->memory.regions[i].mmap_offset / sizeof(*guest_mem));
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];
242 g_assert_cmpint(a, ==, b);
245 munmap(guest_mem, s->memory.regions[i].memory_size);
248 g_mutex_unlock(&s->data_mutex);
251 static void *thread_function(void *data)
253 GMainLoop *loop = data;
254 g_main_loop_run(loop);
255 return NULL;
258 static int chr_can_read(void *opaque)
260 return VHOST_USER_HDR_SIZE;
263 static void chr_read(void *opaque, const uint8_t *buf, int size)
265 TestServer *s = opaque;
266 CharBackend *chr = &s->chr;
267 VhostUserMsg msg;
268 uint8_t *p = (uint8_t *) &msg;
269 int fd;
271 if (s->test_fail) {
272 qemu_chr_fe_disconnect(chr);
273 /* now switch to non-failure */
274 s->test_fail = false;
277 if (size != VHOST_USER_HDR_SIZE) {
278 g_test_message("Wrong message size received %d\n", size);
279 return;
282 g_mutex_lock(&s->data_mutex);
283 memcpy(p, buf, VHOST_USER_HDR_SIZE);
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;
295 switch (msg.request) {
296 case VHOST_USER_GET_FEATURES:
297 /* send back features to qemu */
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;
305 if (s->test_flags >= TEST_FLAGS_BAD) {
306 msg.payload.u64 = 0;
307 s->test_flags = TEST_FLAGS_END;
309 p = (uint8_t *) &msg;
310 qemu_chr_fe_write_all(chr, p, VHOST_USER_HDR_SIZE + msg.size);
311 break;
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;
320 break;
322 case VHOST_USER_GET_PROTOCOL_FEATURES:
323 /* send back features to qemu */
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;
330 p = (uint8_t *) &msg;
331 qemu_chr_fe_write_all(chr, p, VHOST_USER_HDR_SIZE + msg.size);
332 break;
334 case VHOST_USER_GET_VRING_BASE:
335 /* send back vring base to qemu */
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);
342 assert(msg.payload.state.index < s->queues * 2);
343 s->rings &= ~(0x1ULL << msg.payload.state.index);
344 break;
346 case VHOST_USER_SET_MEM_TABLE:
347 /* received the mem table */
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));
352 /* signal the test that it can continue */
353 g_cond_signal(&s->data_cond);
354 break;
356 case VHOST_USER_SET_VRING_KICK:
357 case VHOST_USER_SET_VRING_CALL:
358 /* consume the fd */
359 qemu_chr_fe_get_msgfds(chr, &fd, 1);
361 * This is a non-blocking eventfd.
362 * The receive function forces it to be blocking,
363 * so revert it back to non-blocking.
365 qemu_set_nonblock(fd);
366 break;
368 case VHOST_USER_SET_LOG_BASE:
369 if (s->log_fd != -1) {
370 close(s->log_fd);
371 s->log_fd = -1;
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);
379 g_cond_signal(&s->data_cond);
380 break;
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;
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;
395 default:
396 break;
399 g_mutex_unlock(&s->data_mutex);
402 static const char *init_hugepagefs(const char *path)
404 struct statfs fs;
405 int ret;
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;
412 do {
413 ret = statfs(path, &fs);
414 } while (ret != 0 && errno == EINTR);
416 if (ret != 0) {
417 g_test_message("statfs on path (%s): %s\n", path, strerror(errno));
418 return NULL;
421 if (fs.f_type != HUGETLBFS_MAGIC) {
422 g_test_message("Warning: path not on HugeTLBFS: %s\n", path);
423 return NULL;
426 return path;
429 static TestServer *test_server_new(const gchar *name)
431 TestServer *server = g_new0(TestServer, 1);
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);
437 g_mutex_init(&server->data_mutex);
438 g_cond_init(&server->data_cond);
440 server->log_fd = -1;
441 server->queues = 1;
443 return server;
446 static void chr_event(void *opaque, int event)
448 TestServer *s = opaque;
450 if (s->test_flags == TEST_FLAGS_END &&
451 event == CHR_EVENT_CLOSED) {
452 s->test_flags = TEST_FLAGS_OK;
456 static void test_server_create_chr(TestServer *server, const gchar *opt)
458 gchar *chr_path;
459 Chardev *chr;
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);
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, server, NULL, true);
470 static void test_server_listen(TestServer *server)
472 test_server_create_chr(server, ",server,nowait");
475 static inline void test_server_connect(TestServer *server)
477 test_server_create_chr(server, ",reconnect=1");
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)
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__)
488 static gboolean _test_server_free(TestServer *server)
490 int i;
491 Chardev *chr = qemu_chr_fe_get_driver(&server->chr);
493 qemu_chr_fe_deinit(&server->chr);
494 qemu_chr_delete(chr);
496 for (i = 0; i < server->fds_num; i++) {
497 close(server->fds[i]);
500 if (server->log_fd != -1) {
501 close(server->log_fd);
504 unlink(server->socket_path);
505 g_free(server->socket_path);
507 unlink(server->mig_path);
508 g_free(server->mig_path);
510 g_free(server->chr_name);
511 qpci_free_pc(server->bus);
513 g_free(server);
515 return FALSE;
518 static void test_server_free(TestServer *server)
520 g_idle_add((GSourceFunc)_test_server_free, server);
523 static void wait_for_log_fd(TestServer *s)
525 gint64 end_time;
527 g_mutex_lock(&s->data_mutex);
528 end_time = g_get_monotonic_time() + 5 * G_TIME_SPAN_SECOND;
529 while (s->log_fd == -1) {
530 if (!g_cond_wait_until(&s->data_cond, &s->data_mutex, end_time)) {
531 /* timeout has passed */
532 g_assert(s->log_fd != -1);
533 break;
537 g_mutex_unlock(&s->data_mutex);
540 static void write_guest_mem(TestServer *s, uint32_t seed)
542 uint32_t *guest_mem;
543 int i, j;
544 size_t size;
546 wait_for_fds(s);
548 /* iterate all regions */
549 for (i = 0; i < s->fds_num; i++) {
551 /* We'll write only the region statring at 0x0 */
552 if (s->memory.regions[i].guest_phys_addr != 0x0) {
553 continue;
556 g_assert_cmpint(s->memory.regions[i].memory_size, >, 1024);
558 size = s->memory.regions[i].memory_size +
559 s->memory.regions[i].mmap_offset;
561 guest_mem = mmap(0, size, PROT_READ | PROT_WRITE,
562 MAP_SHARED, s->fds[i], 0);
564 g_assert(guest_mem != MAP_FAILED);
565 guest_mem += (s->memory.regions[i].mmap_offset / sizeof(*guest_mem));
567 for (j = 0; j < 256; j++) {
568 guest_mem[j] = seed + j;
571 munmap(guest_mem, s->memory.regions[i].memory_size);
572 break;
576 static guint64 get_log_size(TestServer *s)
578 guint64 log_size = 0;
579 int i;
581 for (i = 0; i < s->memory.nregions; ++i) {
582 VhostUserMemoryRegion *reg = &s->memory.regions[i];
583 guint64 last = range_get_last(reg->guest_phys_addr,
584 reg->memory_size);
585 log_size = MAX(log_size, last / (8 * VHOST_LOG_PAGE) + 1);
588 return log_size;
591 typedef struct TestMigrateSource {
592 GSource source;
593 TestServer *src;
594 TestServer *dest;
595 } TestMigrateSource;
597 static gboolean
598 test_migrate_source_check(GSource *source)
600 TestMigrateSource *t = (TestMigrateSource *)source;
601 gboolean overlap = t->src->rings && t->dest->rings;
603 g_assert(!overlap);
605 return FALSE;
608 #if !GLIB_CHECK_VERSION(2,36,0)
609 /* this callback is unnecessary with glib >2.36, the default
610 * prepare for the source does the same */
611 static gboolean
612 test_migrate_source_prepare(GSource *source, gint *timeout)
614 *timeout = -1;
615 return FALSE;
617 #endif
619 GSourceFuncs test_migrate_source_funcs = {
620 #if !GLIB_CHECK_VERSION(2,36,0)
621 .prepare = test_migrate_source_prepare,
622 #endif
623 .check = test_migrate_source_check,
626 static void test_migrate(void)
628 TestServer *s = test_server_new("src");
629 TestServer *dest = test_server_new("dest");
630 char *uri = g_strdup_printf("%s%s", "unix:", dest->mig_path);
631 QTestState *global = global_qtest, *from, *to;
632 GSource *source;
633 gchar *cmd;
634 QDict *rsp;
635 guint8 *log;
636 guint64 size;
638 test_server_listen(s);
639 test_server_listen(dest);
641 cmd = GET_QEMU_CMDE(s, 2, "", "");
642 from = qtest_start(cmd);
643 g_free(cmd);
645 init_virtio_dev(s);
646 wait_for_fds(s);
647 size = get_log_size(s);
648 g_assert_cmpint(size, ==, (2 * 1024 * 1024) / (VHOST_LOG_PAGE * 8));
650 cmd = GET_QEMU_CMDE(dest, 2, "", " -incoming %s", uri);
651 to = qtest_init(cmd);
652 g_free(cmd);
654 source = g_source_new(&test_migrate_source_funcs,
655 sizeof(TestMigrateSource));
656 ((TestMigrateSource *)source)->src = s;
657 ((TestMigrateSource *)source)->dest = dest;
658 g_source_attach(source, NULL);
660 /* slow down migration to have time to fiddle with log */
661 /* TODO: qtest could learn to break on some places */
662 rsp = qmp("{ 'execute': 'migrate_set_speed',"
663 "'arguments': { 'value': 10 } }");
664 g_assert(qdict_haskey(rsp, "return"));
665 QDECREF(rsp);
667 cmd = g_strdup_printf("{ 'execute': 'migrate',"
668 "'arguments': { 'uri': '%s' } }",
669 uri);
670 rsp = qmp(cmd);
671 g_free(cmd);
672 g_assert(qdict_haskey(rsp, "return"));
673 QDECREF(rsp);
675 wait_for_log_fd(s);
677 log = mmap(0, size, PROT_READ | PROT_WRITE, MAP_SHARED, s->log_fd, 0);
678 g_assert(log != MAP_FAILED);
680 /* modify first page */
681 write_guest_mem(s, 0x42);
682 log[0] = 1;
683 munmap(log, size);
685 /* speed things up */
686 rsp = qmp("{ 'execute': 'migrate_set_speed',"
687 "'arguments': { 'value': 0 } }");
688 g_assert(qdict_haskey(rsp, "return"));
689 QDECREF(rsp);
691 qmp_eventwait("STOP");
693 global_qtest = to;
694 qmp_eventwait("RESUME");
696 read_guest_mem(dest);
698 g_source_destroy(source);
699 g_source_unref(source);
701 qtest_quit(to);
702 test_server_free(dest);
703 qtest_quit(from);
704 test_server_free(s);
705 g_free(uri);
707 global_qtest = global;
710 static void wait_for_rings_started(TestServer *s, size_t count)
712 gint64 end_time;
714 g_mutex_lock(&s->data_mutex);
715 end_time = g_get_monotonic_time() + 5 * G_TIME_SPAN_SECOND;
716 while (ctpop64(s->rings) != count) {
717 if (!g_cond_wait_until(&s->data_cond, &s->data_mutex, end_time)) {
718 /* timeout has passed */
719 g_assert_cmpint(ctpop64(s->rings), ==, count);
720 break;
724 g_mutex_unlock(&s->data_mutex);
727 #ifdef CONFIG_HAS_GLIB_SUBPROCESS_TESTS
728 static gboolean
729 reconnect_cb(gpointer user_data)
731 TestServer *s = user_data;
733 qemu_chr_fe_disconnect(&s->chr);
735 return FALSE;
738 static gpointer
739 connect_thread(gpointer data)
741 TestServer *s = data;
743 /* wait for qemu to start before first try, to avoid extra warnings */
744 g_usleep(G_USEC_PER_SEC);
745 test_server_connect(s);
747 return NULL;
750 static void test_reconnect_subprocess(void)
752 TestServer *s = test_server_new("reconnect");
753 char *cmd;
755 g_thread_new("connect", connect_thread, s);
756 cmd = GET_QEMU_CMDE(s, 2, ",server", "");
757 qtest_start(cmd);
758 g_free(cmd);
760 init_virtio_dev(s);
761 wait_for_fds(s);
762 wait_for_rings_started(s, 2);
764 /* reconnect */
765 s->fds_num = 0;
766 s->rings = 0;
767 g_idle_add(reconnect_cb, s);
768 wait_for_fds(s);
769 wait_for_rings_started(s, 2);
771 qtest_end();
772 test_server_free(s);
773 return;
776 static void test_reconnect(void)
778 gchar *path = g_strdup_printf("/%s/vhost-user/reconnect/subprocess",
779 qtest_get_arch());
780 g_test_trap_subprocess(path, 0, 0);
781 g_test_trap_assert_passed();
782 g_free(path);
785 static void test_connect_fail_subprocess(void)
787 TestServer *s = test_server_new("connect-fail");
788 char *cmd;
790 s->test_fail = true;
791 g_thread_new("connect", connect_thread, s);
792 cmd = GET_QEMU_CMDE(s, 2, ",server", "");
793 qtest_start(cmd);
794 g_free(cmd);
796 init_virtio_dev(s);
797 wait_for_fds(s);
798 wait_for_rings_started(s, 2);
800 qtest_end();
801 test_server_free(s);
804 static void test_connect_fail(void)
806 gchar *path = g_strdup_printf("/%s/vhost-user/connect-fail/subprocess",
807 qtest_get_arch());
808 g_test_trap_subprocess(path, 0, 0);
809 g_test_trap_assert_passed();
810 g_free(path);
813 static void test_flags_mismatch_subprocess(void)
815 TestServer *s = test_server_new("flags-mismatch");
816 char *cmd;
818 s->test_flags = TEST_FLAGS_DISCONNECT;
819 g_thread_new("connect", connect_thread, s);
820 cmd = GET_QEMU_CMDE(s, 2, ",server", "");
821 qtest_start(cmd);
822 g_free(cmd);
824 init_virtio_dev(s);
825 wait_for_fds(s);
826 wait_for_rings_started(s, 2);
828 qtest_end();
829 test_server_free(s);
832 static void test_flags_mismatch(void)
834 gchar *path = g_strdup_printf("/%s/vhost-user/flags-mismatch/subprocess",
835 qtest_get_arch());
836 g_test_trap_subprocess(path, 0, 0);
837 g_test_trap_assert_passed();
838 g_free(path);
841 #endif
843 static QVirtioPCIDevice *virtio_net_pci_init(QPCIBus *bus, int slot)
845 QVirtioPCIDevice *dev;
847 dev = qvirtio_pci_device_find(bus, VIRTIO_ID_NET);
848 g_assert(dev != NULL);
849 g_assert_cmphex(dev->vdev.device_type, ==, VIRTIO_ID_NET);
851 qvirtio_pci_device_enable(dev);
852 qvirtio_reset(&dev->vdev);
853 qvirtio_set_acknowledge(&dev->vdev);
854 qvirtio_set_driver(&dev->vdev);
856 return dev;
859 static void driver_init(QVirtioDevice *dev)
861 uint32_t features;
863 features = qvirtio_get_features(dev);
864 features = features & ~(QVIRTIO_F_BAD_FEATURE |
865 (1u << VIRTIO_RING_F_INDIRECT_DESC) |
866 (1u << VIRTIO_RING_F_EVENT_IDX));
867 qvirtio_set_features(dev, features);
869 qvirtio_set_driver_ok(dev);
872 #define PCI_SLOT 0x04
874 static void test_multiqueue(void)
876 const int queues = 2;
877 TestServer *s = test_server_new("mq");
878 QVirtioPCIDevice *dev;
879 QPCIBus *bus;
880 QVirtQueuePCI *vq[queues * 2];
881 QGuestAllocator *alloc;
882 char *cmd;
883 int i;
885 s->queues = queues;
886 test_server_listen(s);
888 cmd = g_strdup_printf(QEMU_CMD_MEM QEMU_CMD_CHR QEMU_CMD_NETDEV ",queues=%d "
889 "-device virtio-net-pci,netdev=net0,mq=on,vectors=%d",
890 512, 512, root, s->chr_name,
891 s->socket_path, "", s->chr_name,
892 queues, queues * 2 + 2);
893 qtest_start(cmd);
894 g_free(cmd);
896 bus = qpci_init_pc(NULL);
897 dev = virtio_net_pci_init(bus, PCI_SLOT);
899 alloc = pc_alloc_init();
900 for (i = 0; i < queues * 2; i++) {
901 vq[i] = (QVirtQueuePCI *)qvirtqueue_setup(&dev->vdev, alloc, i);
904 driver_init(&dev->vdev);
905 wait_for_rings_started(s, queues * 2);
907 /* End test */
908 for (i = 0; i < queues * 2; i++) {
909 qvirtqueue_cleanup(dev->vdev.bus, &vq[i]->vq, alloc);
911 pc_alloc_uninit(alloc);
912 qvirtio_pci_device_disable(dev);
913 g_free(dev->pdev);
914 g_free(dev);
915 qpci_free_pc(bus);
916 qtest_end();
918 test_server_free(s);
921 int main(int argc, char **argv)
923 QTestState *s = NULL;
924 TestServer *server = NULL;
925 const char *hugefs;
926 char *qemu_cmd = NULL;
927 int ret;
928 char template[] = "/tmp/vhost-test-XXXXXX";
929 GMainLoop *loop;
930 GThread *thread;
932 g_test_init(&argc, &argv, NULL);
934 module_call_init(MODULE_INIT_QOM);
935 qemu_add_opts(&qemu_chardev_opts);
937 tmpfs = mkdtemp(template);
938 if (!tmpfs) {
939 g_test_message("mkdtemp on path (%s): %s\n", template, strerror(errno));
941 g_assert(tmpfs);
943 hugefs = getenv("QTEST_HUGETLBFS_PATH");
944 if (hugefs) {
945 root = init_hugepagefs(hugefs);
946 g_assert(root);
947 } else {
948 root = tmpfs;
951 server = test_server_new("test");
952 test_server_listen(server);
954 loop = g_main_loop_new(NULL, FALSE);
955 /* run the main loop thread so the chardev may operate */
956 thread = g_thread_new(NULL, thread_function, loop);
958 qemu_cmd = GET_QEMU_CMD(server);
960 s = qtest_start(qemu_cmd);
961 g_free(qemu_cmd);
962 init_virtio_dev(server);
964 qtest_add_data_func("/vhost-user/read-guest-mem", server, read_guest_mem);
965 qtest_add_func("/vhost-user/migrate", test_migrate);
966 qtest_add_func("/vhost-user/multiqueue", test_multiqueue);
967 #ifdef CONFIG_HAS_GLIB_SUBPROCESS_TESTS
968 qtest_add_func("/vhost-user/reconnect/subprocess",
969 test_reconnect_subprocess);
970 qtest_add_func("/vhost-user/reconnect", test_reconnect);
971 qtest_add_func("/vhost-user/connect-fail/subprocess",
972 test_connect_fail_subprocess);
973 qtest_add_func("/vhost-user/connect-fail", test_connect_fail);
974 qtest_add_func("/vhost-user/flags-mismatch/subprocess",
975 test_flags_mismatch_subprocess);
976 qtest_add_func("/vhost-user/flags-mismatch", test_flags_mismatch);
977 #endif
979 ret = g_test_run();
981 if (s) {
982 qtest_quit(s);
985 /* cleanup */
986 test_server_free(server);
988 /* finish the helper thread and dispatch pending sources */
989 g_main_loop_quit(loop);
990 g_thread_join(thread);
991 while (g_main_context_pending(NULL)) {
992 g_main_context_iteration (NULL, TRUE);
994 g_main_loop_unref(loop);
996 ret = rmdir(tmpfs);
997 if (ret != 0) {
998 g_test_message("unable to rmdir: path (%s): %s\n",
999 tmpfs, strerror(errno));
1001 g_assert_cmpint(ret, ==, 0);
1003 return ret;