blob: fecc832d997a0d64af9cfdfc711ea1d2dcd42690 [file] [log] [blame]
Nikolay Nikolaeva77e6b12014-06-10 13:03:23 +03001/*
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
Peter Maydell681c28a2016-02-08 18:08:51 +000011#include "qemu/osdep.h"
Nikolay Nikolaevbd959392014-06-19 18:07:59 +030012
Nikolay Nikolaeva77e6b12014-06-10 13:03:23 +030013#include "libqtest.h"
Marc-André Lureau5345fdb2016-10-22 12:52:55 +030014#include "qapi/error.h"
Markus Armbruster452fcdb2018-02-01 12:18:39 +010015#include "qapi/qmp/qdict.h"
Marc-André Lureau213dcb02016-12-12 20:22:24 +030016#include "qemu/config-file.h"
Nikolay Nikolaeva77e6b12014-06-10 13:03:23 +030017#include "qemu/option.h"
Marc-André Lureaub1819742015-10-09 17:17:39 +020018#include "qemu/range.h"
Markus Armbrustera9c94272016-06-22 19:11:19 +020019#include "qemu/sockets.h"
Marc-André Lureau4d43a602017-01-26 18:26:44 +040020#include "chardev/char-fe.h"
Marc-André Lureau8e029fd2018-02-15 22:25:49 +010021#include "qemu/memfd.h"
Nikolay Nikolaeva77e6b12014-06-10 13:03:23 +030022#include "sysemu/sysemu.h"
Eduardo Habkostcdafe922016-09-02 15:59:43 -030023#include "libqos/libqos.h"
24#include "libqos/pci-pc.h"
25#include "libqos/virtio-pci.h"
Nikolay Nikolaeva77e6b12014-06-10 13:03:23 +030026
Marc-André Lureaued0a8d92016-09-09 15:34:44 +040027#include "libqos/malloc-pc.h"
28#include "hw/virtio/virtio-net.h"
29
Nikolay Nikolaeva77e6b12014-06-10 13:03:23 +030030#include <linux/vhost.h>
Eduardo Habkostcdafe922016-09-02 15:59:43 -030031#include <linux/virtio_ids.h>
32#include <linux/virtio_net.h>
Nikolay Nikolaeva77e6b12014-06-10 13:03:23 +030033#include <sys/vfs.h>
Nikolay Nikolaeva77e6b12014-06-10 13:03:23 +030034
Gonglei30de46d2014-11-05 09:00:59 +080035
Marc-André Lureau8e029fd2018-02-15 22:25:49 +010036#define QEMU_CMD_MEM " -m %d -object memory-backend-file,id=mem,size=%dM," \
Nikolay Nikolaeva77e6b12014-06-10 13:03:23 +030037 "mem-path=%s,share=on -numa node,memdev=mem"
Marc-André Lureau8e029fd2018-02-15 22:25:49 +010038#define QEMU_CMD_MEMFD " -m %d -object memory-backend-memfd,id=mem,size=%dM," \
39 " -numa node,memdev=mem"
Marc-André Lureau4616e352016-06-06 18:45:08 +020040#define QEMU_CMD_CHR " -chardev socket,id=%s,path=%s%s"
Marc-André Lureau704b2162015-10-09 17:17:38 +020041#define QEMU_CMD_NETDEV " -netdev vhost-user,id=net0,chardev=%s,vhostforce"
Eduardo Habkostcdafe922016-09-02 15:59:43 -030042#define QEMU_CMD_NET " -device virtio-net-pci,netdev=net0"
Nikolay Nikolaeva77e6b12014-06-10 13:03:23 +030043
Nikolay Nikolaeva77e6b12014-06-10 13:03:23 +030044#define HUGETLBFS_MAGIC 0x958458f6
45
46/*********** FROM hw/virtio/vhost-user.c *************************************/
47
48#define VHOST_MEMORY_MAX_NREGIONS 8
Maxime Coquelin026eb172017-12-21 22:21:23 +010049#define VHOST_MAX_VIRTQUEUES 0x100
Nikolay Nikolaeva77e6b12014-06-10 13:03:23 +030050
Michael S. Tsirkin8a9b6b32015-09-24 18:22:01 +020051#define VHOST_USER_F_PROTOCOL_FEATURES 30
Marc-André Lureaued0a8d92016-09-09 15:34:44 +040052#define VHOST_USER_PROTOCOL_F_MQ 0
Marc-André Lureaub1819742015-10-09 17:17:39 +020053#define VHOST_USER_PROTOCOL_F_LOG_SHMFD 1
54
55#define VHOST_LOG_PAGE 0x1000
Michael S. Tsirkin8a9b6b32015-09-24 18:22:01 +020056
Nikolay Nikolaeva77e6b12014-06-10 13:03:23 +030057typedef enum VhostUserRequest {
58 VHOST_USER_NONE = 0,
59 VHOST_USER_GET_FEATURES = 1,
60 VHOST_USER_SET_FEATURES = 2,
61 VHOST_USER_SET_OWNER = 3,
Yuanhan Liu60915dc2015-11-11 21:24:37 +080062 VHOST_USER_RESET_OWNER = 4,
Nikolay Nikolaeva77e6b12014-06-10 13:03:23 +030063 VHOST_USER_SET_MEM_TABLE = 5,
64 VHOST_USER_SET_LOG_BASE = 6,
65 VHOST_USER_SET_LOG_FD = 7,
66 VHOST_USER_SET_VRING_NUM = 8,
67 VHOST_USER_SET_VRING_ADDR = 9,
68 VHOST_USER_SET_VRING_BASE = 10,
69 VHOST_USER_GET_VRING_BASE = 11,
70 VHOST_USER_SET_VRING_KICK = 12,
71 VHOST_USER_SET_VRING_CALL = 13,
72 VHOST_USER_SET_VRING_ERR = 14,
Michael S. Tsirkin8a9b6b32015-09-24 18:22:01 +020073 VHOST_USER_GET_PROTOCOL_FEATURES = 15,
74 VHOST_USER_SET_PROTOCOL_FEATURES = 16,
Marc-André Lureaued0a8d92016-09-09 15:34:44 +040075 VHOST_USER_GET_QUEUE_NUM = 17,
Michael S. Tsirkin87656d52015-11-16 13:33:36 +020076 VHOST_USER_SET_VRING_ENABLE = 18,
Nikolay Nikolaeva77e6b12014-06-10 13:03:23 +030077 VHOST_USER_MAX
78} VhostUserRequest;
79
80typedef struct VhostUserMemoryRegion {
81 uint64_t guest_phys_addr;
82 uint64_t memory_size;
83 uint64_t userspace_addr;
Nikolay Nikolaevd6970e32014-07-12 04:43:19 +030084 uint64_t mmap_offset;
Nikolay Nikolaeva77e6b12014-06-10 13:03:23 +030085} VhostUserMemoryRegion;
86
87typedef struct VhostUserMemory {
88 uint32_t nregions;
89 uint32_t padding;
90 VhostUserMemoryRegion regions[VHOST_MEMORY_MAX_NREGIONS];
91} VhostUserMemory;
92
Victor Kaplansky2b8819c2015-11-11 16:26:02 +020093typedef struct VhostUserLog {
94 uint64_t mmap_size;
95 uint64_t mmap_offset;
96} VhostUserLog;
97
Nikolay Nikolaeva77e6b12014-06-10 13:03:23 +030098typedef struct VhostUserMsg {
99 VhostUserRequest request;
100
101#define VHOST_USER_VERSION_MASK (0x3)
102#define VHOST_USER_REPLY_MASK (0x1<<2)
103 uint32_t flags;
104 uint32_t size; /* the following payload size */
105 union {
Victor Kaplansky2b8819c2015-11-11 16:26:02 +0200106#define VHOST_USER_VRING_IDX_MASK (0xff)
107#define VHOST_USER_VRING_NOFD_MASK (0x1<<8)
Nikolay Nikolaeva77e6b12014-06-10 13:03:23 +0300108 uint64_t u64;
109 struct vhost_vring_state state;
110 struct vhost_vring_addr addr;
111 VhostUserMemory memory;
Victor Kaplansky2b8819c2015-11-11 16:26:02 +0200112 VhostUserLog log;
Michael S. Tsirkin12ebf692015-10-22 22:28:37 +0300113 } payload;
Nikolay Nikolaeva77e6b12014-06-10 13:03:23 +0300114} QEMU_PACKED VhostUserMsg;
115
116static VhostUserMsg m __attribute__ ((unused));
117#define VHOST_USER_HDR_SIZE (sizeof(m.request) \
118 + sizeof(m.flags) \
119 + sizeof(m.size))
120
121#define VHOST_USER_PAYLOAD_SIZE (sizeof(m) - VHOST_USER_HDR_SIZE)
122
123/* The version of the protocol we support */
124#define VHOST_USER_VERSION (0x1)
125/*****************************************************************************/
126
Marc-André Lureau9294d762016-09-09 15:34:45 +0400127enum {
128 TEST_FLAGS_OK,
129 TEST_FLAGS_DISCONNECT,
130 TEST_FLAGS_BAD,
131 TEST_FLAGS_END,
132};
133
Marc-André Lureauae31fb52015-10-09 17:17:37 +0200134typedef struct TestServer {
Marc-André Lureau0c0eb302017-02-03 16:06:12 +0400135 QPCIBus *bus;
Maxime Coquelin026eb172017-12-21 22:21:23 +0100136 QVirtioPCIDevice *dev;
137 QVirtQueue *vq[VHOST_MAX_VIRTQUEUES];
Marc-André Lureauae31fb52015-10-09 17:17:37 +0200138 gchar *socket_path;
Marc-André Lureaua899b1e2015-11-27 15:41:19 +0100139 gchar *mig_path;
Marc-André Lureauae31fb52015-10-09 17:17:37 +0200140 gchar *chr_name;
Marc-André Lureau32a6ebe2016-10-22 12:52:52 +0300141 CharBackend chr;
Marc-André Lureauae31fb52015-10-09 17:17:37 +0200142 int fds_num;
143 int fds[VHOST_MEMORY_MAX_NREGIONS];
144 VhostUserMemory memory;
Daniel P. Berrangée7b3af82018-05-04 15:34:46 +0100145 GMutex data_mutex;
146 GCond data_cond;
Marc-André Lureaub1819742015-10-09 17:17:39 +0200147 int log_fd;
Michael S. Tsirkind08e42a2015-11-26 15:14:02 +0200148 uint64_t rings;
Marc-André Lureau5d443f52016-09-09 15:34:43 +0400149 bool test_fail;
Marc-André Lureau9294d762016-09-09 15:34:45 +0400150 int test_flags;
Marc-André Lureaued0a8d92016-09-09 15:34:44 +0400151 int queues;
Maxime Coquelin026eb172017-12-21 22:21:23 +0100152 QGuestAllocator *alloc;
Marc-André Lureauae31fb52015-10-09 17:17:37 +0200153} TestServer;
Nikolay Nikolaevbd959392014-06-19 18:07:59 +0300154
Marc-André Lureau83265142018-02-01 14:27:56 +0100155static TestServer *test_server_new(const gchar *name);
156static void test_server_free(TestServer *server);
157static void test_server_listen(TestServer *server);
158
Marc-André Lureau704b2162015-10-09 17:17:38 +0200159static const char *tmpfs;
160static const char *root;
161
Marc-André Lureau8e029fd2018-02-15 22:25:49 +0100162enum test_memfd {
163 TEST_MEMFD_AUTO,
164 TEST_MEMFD_YES,
165 TEST_MEMFD_NO,
166};
167
168static char *get_qemu_cmd(TestServer *s,
169 int mem, enum test_memfd memfd, const char *mem_path,
170 const char *chr_opts, const char *extra)
171{
172 if (memfd == TEST_MEMFD_AUTO && qemu_memfd_check()) {
173 memfd = TEST_MEMFD_YES;
174 }
175
176 if (memfd == TEST_MEMFD_YES) {
177 return g_strdup_printf(QEMU_CMD_MEMFD QEMU_CMD_CHR
178 QEMU_CMD_NETDEV QEMU_CMD_NET "%s", mem, mem,
179 s->chr_name, s->socket_path,
180 chr_opts, s->chr_name, extra);
181 } else {
182 return g_strdup_printf(QEMU_CMD_MEM QEMU_CMD_CHR
183 QEMU_CMD_NETDEV QEMU_CMD_NET "%s", mem, mem,
184 mem_path, s->chr_name, s->socket_path,
185 chr_opts, s->chr_name, extra);
186 }
187}
188
Maxime Coquelind3b2a5d2017-12-21 22:21:24 +0100189static void init_virtio_dev(TestServer *s, uint32_t features_mask)
Eduardo Habkostcdafe922016-09-02 15:59:43 -0300190{
Eduardo Habkostcdafe922016-09-02 15:59:43 -0300191 uint32_t features;
Maxime Coquelin026eb172017-12-21 22:21:23 +0100192 int i;
Eduardo Habkostcdafe922016-09-02 15:59:43 -0300193
Eric Blakee5d17302017-09-11 12:19:52 -0500194 s->bus = qpci_init_pc(global_qtest, NULL);
Marc-André Lureau0c0eb302017-02-03 16:06:12 +0400195 g_assert_nonnull(s->bus);
Eduardo Habkostcdafe922016-09-02 15:59:43 -0300196
Maxime Coquelin026eb172017-12-21 22:21:23 +0100197 s->dev = qvirtio_pci_device_find(s->bus, VIRTIO_ID_NET);
198 g_assert_nonnull(s->dev);
Eduardo Habkostcdafe922016-09-02 15:59:43 -0300199
Maxime Coquelin026eb172017-12-21 22:21:23 +0100200 qvirtio_pci_device_enable(s->dev);
201 qvirtio_reset(&s->dev->vdev);
202 qvirtio_set_acknowledge(&s->dev->vdev);
203 qvirtio_set_driver(&s->dev->vdev);
Eduardo Habkostcdafe922016-09-02 15:59:43 -0300204
Eric Blake05e520f2017-09-11 12:19:57 -0500205 s->alloc = pc_alloc_init(global_qtest);
Maxime Coquelin026eb172017-12-21 22:21:23 +0100206
207 for (i = 0; i < s->queues * 2; i++) {
208 s->vq[i] = qvirtqueue_setup(&s->dev->vdev, s->alloc, i);
209 }
210
211 features = qvirtio_get_features(&s->dev->vdev);
Maxime Coquelind3b2a5d2017-12-21 22:21:24 +0100212 features = features & features_mask;
Maxime Coquelin026eb172017-12-21 22:21:23 +0100213 qvirtio_set_features(&s->dev->vdev, features);
Eduardo Habkostcdafe922016-09-02 15:59:43 -0300214
Maxime Coquelin026eb172017-12-21 22:21:23 +0100215 qvirtio_set_driver_ok(&s->dev->vdev);
216}
217
218static void uninit_virtio_dev(TestServer *s)
219{
220 int i;
221
222 for (i = 0; i < s->queues * 2; i++) {
223 qvirtqueue_cleanup(s->dev->vdev.bus, s->vq[i], s->alloc);
224 }
225 pc_alloc_uninit(s->alloc);
226
227 qvirtio_pci_device_free(s->dev);
Eduardo Habkostcdafe922016-09-02 15:59:43 -0300228}
229
Marc-André Lureauae31fb52015-10-09 17:17:37 +0200230static void wait_for_fds(TestServer *s)
Nikolay Nikolaeva77e6b12014-06-10 13:03:23 +0300231{
Nikolay Nikolaeva77e6b12014-06-10 13:03:23 +0300232 gint64 end_time;
Nikolay Nikolaeva77e6b12014-06-10 13:03:23 +0300233
Marc-André Lureauae31fb52015-10-09 17:17:37 +0200234 g_mutex_lock(&s->data_mutex);
Nikolay Nikolaeva77e6b12014-06-10 13:03:23 +0300235
Paolo Bonzinica06d9c2015-09-29 14:12:03 +0200236 end_time = g_get_monotonic_time() + 5 * G_TIME_SPAN_SECOND;
Marc-André Lureauae31fb52015-10-09 17:17:37 +0200237 while (!s->fds_num) {
238 if (!g_cond_wait_until(&s->data_cond, &s->data_mutex, end_time)) {
Nikolay Nikolaeva77e6b12014-06-10 13:03:23 +0300239 /* timeout has passed */
Marc-André Lureauae31fb52015-10-09 17:17:37 +0200240 g_assert(s->fds_num);
Nikolay Nikolaeva77e6b12014-06-10 13:03:23 +0300241 break;
242 }
243 }
244
245 /* check for sanity */
Marc-André Lureauae31fb52015-10-09 17:17:37 +0200246 g_assert_cmpint(s->fds_num, >, 0);
247 g_assert_cmpint(s->fds_num, ==, s->memory.nregions);
Nikolay Nikolaeva77e6b12014-06-10 13:03:23 +0300248
Marc-André Lureauae31fb52015-10-09 17:17:37 +0200249 g_mutex_unlock(&s->data_mutex);
Marc-André Lureaucf72b572015-10-09 17:17:35 +0200250}
251
Marc-André Lureau83265142018-02-01 14:27:56 +0100252static void read_guest_mem_server(TestServer *s)
Marc-André Lureaucf72b572015-10-09 17:17:35 +0200253{
254 uint32_t *guest_mem;
255 int i, j;
256 size_t size;
257
Marc-André Lureauae31fb52015-10-09 17:17:37 +0200258 wait_for_fds(s);
Marc-André Lureaucf72b572015-10-09 17:17:35 +0200259
Marc-André Lureauae31fb52015-10-09 17:17:37 +0200260 g_mutex_lock(&s->data_mutex);
Marc-André Lureaucf72b572015-10-09 17:17:35 +0200261
Nikolay Nikolaeva77e6b12014-06-10 13:03:23 +0300262 /* iterate all regions */
Marc-André Lureauae31fb52015-10-09 17:17:37 +0200263 for (i = 0; i < s->fds_num; i++) {
Nikolay Nikolaeva77e6b12014-06-10 13:03:23 +0300264
265 /* We'll check only the region statring at 0x0*/
Marc-André Lureauae31fb52015-10-09 17:17:37 +0200266 if (s->memory.regions[i].guest_phys_addr != 0x0) {
Nikolay Nikolaeva77e6b12014-06-10 13:03:23 +0300267 continue;
268 }
269
Marc-André Lureauae31fb52015-10-09 17:17:37 +0200270 g_assert_cmpint(s->memory.regions[i].memory_size, >, 1024);
Nikolay Nikolaeva77e6b12014-06-10 13:03:23 +0300271
Marc-André Lureauae31fb52015-10-09 17:17:37 +0200272 size = s->memory.regions[i].memory_size +
273 s->memory.regions[i].mmap_offset;
Nikolay Nikolaevd6970e32014-07-12 04:43:19 +0300274
275 guest_mem = mmap(0, size, PROT_READ | PROT_WRITE,
Marc-André Lureauae31fb52015-10-09 17:17:37 +0200276 MAP_SHARED, s->fds[i], 0);
Nikolay Nikolaevd6970e32014-07-12 04:43:19 +0300277
278 g_assert(guest_mem != MAP_FAILED);
Marc-André Lureauae31fb52015-10-09 17:17:37 +0200279 guest_mem += (s->memory.regions[i].mmap_offset / sizeof(*guest_mem));
Nikolay Nikolaeva77e6b12014-06-10 13:03:23 +0300280
281 for (j = 0; j < 256; j++) {
Marc-André Lureauae31fb52015-10-09 17:17:37 +0200282 uint32_t a = readl(s->memory.regions[i].guest_phys_addr + j*4);
Nikolay Nikolaeva77e6b12014-06-10 13:03:23 +0300283 uint32_t b = guest_mem[j];
284
285 g_assert_cmpint(a, ==, b);
286 }
287
Marc-André Lureauae31fb52015-10-09 17:17:37 +0200288 munmap(guest_mem, s->memory.regions[i].memory_size);
Nikolay Nikolaeva77e6b12014-06-10 13:03:23 +0300289 }
290
Marc-André Lureauae31fb52015-10-09 17:17:37 +0200291 g_mutex_unlock(&s->data_mutex);
Nikolay Nikolaeva77e6b12014-06-10 13:03:23 +0300292}
293
294static void *thread_function(void *data)
295{
Marc-André Lureau9732baf2015-11-27 15:41:18 +0100296 GMainLoop *loop = data;
Nikolay Nikolaeva77e6b12014-06-10 13:03:23 +0300297 g_main_loop_run(loop);
298 return NULL;
299}
300
301static int chr_can_read(void *opaque)
302{
303 return VHOST_USER_HDR_SIZE;
304}
305
306static void chr_read(void *opaque, const uint8_t *buf, int size)
307{
Marc-André Lureauae31fb52015-10-09 17:17:37 +0200308 TestServer *s = opaque;
Marc-André Lureau32a6ebe2016-10-22 12:52:52 +0300309 CharBackend *chr = &s->chr;
Nikolay Nikolaeva77e6b12014-06-10 13:03:23 +0300310 VhostUserMsg msg;
311 uint8_t *p = (uint8_t *) &msg;
312 int fd;
313
Marc-André Lureau5d443f52016-09-09 15:34:43 +0400314 if (s->test_fail) {
Marc-André Lureau5345fdb2016-10-22 12:52:55 +0300315 qemu_chr_fe_disconnect(chr);
Marc-André Lureau5d443f52016-09-09 15:34:43 +0400316 /* now switch to non-failure */
317 s->test_fail = false;
318 }
319
Nikolay Nikolaeva77e6b12014-06-10 13:03:23 +0300320 if (size != VHOST_USER_HDR_SIZE) {
321 g_test_message("Wrong message size received %d\n", size);
322 return;
323 }
324
Marc-André Lureauae31fb52015-10-09 17:17:37 +0200325 g_mutex_lock(&s->data_mutex);
Nikolay Nikolaeva77e6b12014-06-10 13:03:23 +0300326 memcpy(p, buf, VHOST_USER_HDR_SIZE);
327
328 if (msg.size) {
329 p += VHOST_USER_HDR_SIZE;
Marc-André Lureau5345fdb2016-10-22 12:52:55 +0300330 size = qemu_chr_fe_read_all(chr, p, msg.size);
Marc-André Lureau4616e352016-06-06 18:45:08 +0200331 if (size != msg.size) {
332 g_test_message("Wrong message size received %d != %d\n",
333 size, msg.size);
334 return;
335 }
Nikolay Nikolaeva77e6b12014-06-10 13:03:23 +0300336 }
337
338 switch (msg.request) {
339 case VHOST_USER_GET_FEATURES:
340 /* send back features to qemu */
341 msg.flags |= VHOST_USER_REPLY_MASK;
Michael S. Tsirkin12ebf692015-10-22 22:28:37 +0300342 msg.size = sizeof(m.payload.u64);
343 msg.payload.u64 = 0x1ULL << VHOST_F_LOG_ALL |
Marc-André Lureaub1819742015-10-09 17:17:39 +0200344 0x1ULL << VHOST_USER_F_PROTOCOL_FEATURES;
Marc-André Lureaued0a8d92016-09-09 15:34:44 +0400345 if (s->queues > 1) {
346 msg.payload.u64 |= 0x1ULL << VIRTIO_NET_F_MQ;
347 }
Marc-André Lureau9294d762016-09-09 15:34:45 +0400348 if (s->test_flags >= TEST_FLAGS_BAD) {
349 msg.payload.u64 = 0;
350 s->test_flags = TEST_FLAGS_END;
351 }
Michael S. Tsirkin8a9b6b32015-09-24 18:22:01 +0200352 p = (uint8_t *) &msg;
Marc-André Lureau5345fdb2016-10-22 12:52:55 +0300353 qemu_chr_fe_write_all(chr, p, VHOST_USER_HDR_SIZE + msg.size);
Michael S. Tsirkin8a9b6b32015-09-24 18:22:01 +0200354 break;
355
356 case VHOST_USER_SET_FEATURES:
Michael S. Tsirkin12ebf692015-10-22 22:28:37 +0300357 g_assert_cmpint(msg.payload.u64 & (0x1ULL << VHOST_USER_F_PROTOCOL_FEATURES),
Michael S. Tsirkin8a9b6b32015-09-24 18:22:01 +0200358 !=, 0ULL);
Marc-André Lureau9294d762016-09-09 15:34:45 +0400359 if (s->test_flags == TEST_FLAGS_DISCONNECT) {
Marc-André Lureau5345fdb2016-10-22 12:52:55 +0300360 qemu_chr_fe_disconnect(chr);
Marc-André Lureau9294d762016-09-09 15:34:45 +0400361 s->test_flags = TEST_FLAGS_BAD;
362 }
Michael S. Tsirkin8a9b6b32015-09-24 18:22:01 +0200363 break;
364
365 case VHOST_USER_GET_PROTOCOL_FEATURES:
366 /* send back features to qemu */
367 msg.flags |= VHOST_USER_REPLY_MASK;
Michael S. Tsirkin12ebf692015-10-22 22:28:37 +0300368 msg.size = sizeof(m.payload.u64);
369 msg.payload.u64 = 1 << VHOST_USER_PROTOCOL_F_LOG_SHMFD;
Marc-André Lureaued0a8d92016-09-09 15:34:44 +0400370 if (s->queues > 1) {
371 msg.payload.u64 |= 1 << VHOST_USER_PROTOCOL_F_MQ;
372 }
Nikolay Nikolaeva77e6b12014-06-10 13:03:23 +0300373 p = (uint8_t *) &msg;
Marc-André Lureau5345fdb2016-10-22 12:52:55 +0300374 qemu_chr_fe_write_all(chr, p, VHOST_USER_HDR_SIZE + msg.size);
Nikolay Nikolaeva77e6b12014-06-10 13:03:23 +0300375 break;
376
377 case VHOST_USER_GET_VRING_BASE:
378 /* send back vring base to qemu */
379 msg.flags |= VHOST_USER_REPLY_MASK;
Michael S. Tsirkin12ebf692015-10-22 22:28:37 +0300380 msg.size = sizeof(m.payload.state);
381 msg.payload.state.num = 0;
Nikolay Nikolaeva77e6b12014-06-10 13:03:23 +0300382 p = (uint8_t *) &msg;
Marc-André Lureau5345fdb2016-10-22 12:52:55 +0300383 qemu_chr_fe_write_all(chr, p, VHOST_USER_HDR_SIZE + msg.size);
Michael S. Tsirkind08e42a2015-11-26 15:14:02 +0200384
Marc-André Lureaued0a8d92016-09-09 15:34:44 +0400385 assert(msg.payload.state.index < s->queues * 2);
Michael S. Tsirkind08e42a2015-11-26 15:14:02 +0200386 s->rings &= ~(0x1ULL << msg.payload.state.index);
Nikolay Nikolaeva77e6b12014-06-10 13:03:23 +0300387 break;
388
389 case VHOST_USER_SET_MEM_TABLE:
390 /* received the mem table */
Michael S. Tsirkin12ebf692015-10-22 22:28:37 +0300391 memcpy(&s->memory, &msg.payload.memory, sizeof(msg.payload.memory));
Marc-André Lureau5345fdb2016-10-22 12:52:55 +0300392 s->fds_num = qemu_chr_fe_get_msgfds(chr, s->fds,
Marc-André Lureau32a6ebe2016-10-22 12:52:52 +0300393 G_N_ELEMENTS(s->fds));
Nikolay Nikolaeva77e6b12014-06-10 13:03:23 +0300394
395 /* signal the test that it can continue */
Marc-André Lureauae31fb52015-10-09 17:17:37 +0200396 g_cond_signal(&s->data_cond);
Nikolay Nikolaeva77e6b12014-06-10 13:03:23 +0300397 break;
398
399 case VHOST_USER_SET_VRING_KICK:
400 case VHOST_USER_SET_VRING_CALL:
401 /* consume the fd */
Marc-André Lureau5345fdb2016-10-22 12:52:55 +0300402 qemu_chr_fe_get_msgfds(chr, &fd, 1);
Nikolay Nikolaeva77e6b12014-06-10 13:03:23 +0300403 /*
404 * This is a non-blocking eventfd.
405 * The receive function forces it to be blocking,
406 * so revert it back to non-blocking.
407 */
408 qemu_set_nonblock(fd);
409 break;
Marc-André Lureaub1819742015-10-09 17:17:39 +0200410
411 case VHOST_USER_SET_LOG_BASE:
412 if (s->log_fd != -1) {
413 close(s->log_fd);
414 s->log_fd = -1;
415 }
Marc-André Lureau5345fdb2016-10-22 12:52:55 +0300416 qemu_chr_fe_get_msgfds(chr, &s->log_fd, 1);
Marc-André Lureaub1819742015-10-09 17:17:39 +0200417 msg.flags |= VHOST_USER_REPLY_MASK;
418 msg.size = 0;
419 p = (uint8_t *) &msg;
Marc-André Lureau5345fdb2016-10-22 12:52:55 +0300420 qemu_chr_fe_write_all(chr, p, VHOST_USER_HDR_SIZE);
Marc-André Lureaub1819742015-10-09 17:17:39 +0200421
422 g_cond_signal(&s->data_cond);
423 break;
424
Michael S. Tsirkind08e42a2015-11-26 15:14:02 +0200425 case VHOST_USER_SET_VRING_BASE:
Marc-André Lureaued0a8d92016-09-09 15:34:44 +0400426 assert(msg.payload.state.index < s->queues * 2);
Michael S. Tsirkind08e42a2015-11-26 15:14:02 +0200427 s->rings |= 0x1ULL << msg.payload.state.index;
Marc-André Lureau1d9edff2015-10-09 17:17:40 +0200428 break;
429
Marc-André Lureaued0a8d92016-09-09 15:34:44 +0400430 case VHOST_USER_GET_QUEUE_NUM:
431 msg.flags |= VHOST_USER_REPLY_MASK;
432 msg.size = sizeof(m.payload.u64);
433 msg.payload.u64 = s->queues;
434 p = (uint8_t *) &msg;
Marc-André Lureau5345fdb2016-10-22 12:52:55 +0300435 qemu_chr_fe_write_all(chr, p, VHOST_USER_HDR_SIZE + msg.size);
Marc-André Lureaued0a8d92016-09-09 15:34:44 +0400436 break;
437
Nikolay Nikolaeva77e6b12014-06-10 13:03:23 +0300438 default:
439 break;
440 }
Marc-André Lureauae31fb52015-10-09 17:17:37 +0200441
442 g_mutex_unlock(&s->data_mutex);
Nikolay Nikolaeva77e6b12014-06-10 13:03:23 +0300443}
444
Michael S. Tsirkin1b7e1e32015-09-30 18:01:21 +0300445static const char *init_hugepagefs(const char *path)
Nikolay Nikolaeva77e6b12014-06-10 13:03:23 +0300446{
Nikolay Nikolaeva77e6b12014-06-10 13:03:23 +0300447 struct statfs fs;
448 int ret;
449
Nikolay Nikolaeva77e6b12014-06-10 13:03:23 +0300450 if (access(path, R_OK | W_OK | X_OK)) {
451 g_test_message("access on path (%s): %s\n", path, strerror(errno));
452 return NULL;
453 }
454
455 do {
456 ret = statfs(path, &fs);
457 } while (ret != 0 && errno == EINTR);
458
459 if (ret != 0) {
460 g_test_message("statfs on path (%s): %s\n", path, strerror(errno));
461 return NULL;
462 }
463
464 if (fs.f_type != HUGETLBFS_MAGIC) {
465 g_test_message("Warning: path not on HugeTLBFS: %s\n", path);
466 return NULL;
467 }
468
469 return path;
470}
471
Marc-André Lureau704b2162015-10-09 17:17:38 +0200472static TestServer *test_server_new(const gchar *name)
Marc-André Lureauae31fb52015-10-09 17:17:37 +0200473{
474 TestServer *server = g_new0(TestServer, 1);
Marc-André Lureauae31fb52015-10-09 17:17:37 +0200475
476 server->socket_path = g_strdup_printf("%s/%s.sock", tmpfs, name);
Marc-André Lureaua899b1e2015-11-27 15:41:19 +0100477 server->mig_path = g_strdup_printf("%s/%s.mig", tmpfs, name);
Marc-André Lureauae31fb52015-10-09 17:17:37 +0200478 server->chr_name = g_strdup_printf("chr-%s", name);
Marc-André Lureauae31fb52015-10-09 17:17:37 +0200479
480 g_mutex_init(&server->data_mutex);
481 g_cond_init(&server->data_cond);
482
Marc-André Lureaub1819742015-10-09 17:17:39 +0200483 server->log_fd = -1;
Marc-André Lureaued0a8d92016-09-09 15:34:44 +0400484 server->queues = 1;
Marc-André Lureaub1819742015-10-09 17:17:39 +0200485
Marc-André Lureauae31fb52015-10-09 17:17:37 +0200486 return server;
487}
488
Marc-André Lureau9294d762016-09-09 15:34:45 +0400489static void chr_event(void *opaque, int event)
490{
491 TestServer *s = opaque;
492
493 if (s->test_flags == TEST_FLAGS_END &&
494 event == CHR_EVENT_CLOSED) {
495 s->test_flags = TEST_FLAGS_OK;
496 }
497}
498
Marc-André Lureau4616e352016-06-06 18:45:08 +0200499static void test_server_create_chr(TestServer *server, const gchar *opt)
500{
501 gchar *chr_path;
Marc-André Lureau0ec7b3e2016-12-07 16:20:22 +0300502 Chardev *chr;
Marc-André Lureau5345fdb2016-10-22 12:52:55 +0300503
Marc-André Lureau4616e352016-06-06 18:45:08 +0200504 chr_path = g_strdup_printf("unix:%s%s", server->socket_path, opt);
Marc-André Lureau32a6ebe2016-10-22 12:52:52 +0300505 chr = qemu_chr_new(server->chr_name, chr_path);
Marc-André Lureau4616e352016-06-06 18:45:08 +0200506 g_free(chr_path);
507
Marc-André Lureau642e0652018-02-15 22:25:50 +0100508 g_assert_nonnull(chr);
Marc-André Lureau5345fdb2016-10-22 12:52:55 +0300509 qemu_chr_fe_init(&server->chr, chr, &error_abort);
510 qemu_chr_fe_set_handlers(&server->chr, chr_can_read, chr_read,
Anton Nefedov81517ba2017-07-06 15:08:49 +0300511 chr_event, NULL, server, NULL, true);
Marc-André Lureau4616e352016-06-06 18:45:08 +0200512}
513
514static void test_server_listen(TestServer *server)
515{
516 test_server_create_chr(server, ",server,nowait");
517}
518
Marc-André Lureau9732baf2015-11-27 15:41:18 +0100519static gboolean _test_server_free(TestServer *server)
Marc-André Lureauae31fb52015-10-09 17:17:37 +0200520{
521 int i;
522
Marc-André Lureau1ce26102017-01-27 00:49:13 +0400523 qemu_chr_fe_deinit(&server->chr, true);
Marc-André Lureauae31fb52015-10-09 17:17:37 +0200524
525 for (i = 0; i < server->fds_num; i++) {
526 close(server->fds[i]);
527 }
528
Marc-André Lureaub1819742015-10-09 17:17:39 +0200529 if (server->log_fd != -1) {
530 close(server->log_fd);
531 }
532
Marc-André Lureauae31fb52015-10-09 17:17:37 +0200533 unlink(server->socket_path);
534 g_free(server->socket_path);
535
Marc-André Lureaua899b1e2015-11-27 15:41:19 +0100536 unlink(server->mig_path);
537 g_free(server->mig_path);
538
Marc-André Lureaub1819742015-10-09 17:17:39 +0200539 g_free(server->chr_name);
Emanuele Giuseppe Esposito9ee8a692018-06-26 16:18:53 +0200540 g_assert(server->bus);
Marc-André Lureau0c0eb302017-02-03 16:06:12 +0400541 qpci_free_pc(server->bus);
542
Marc-André Lureauae31fb52015-10-09 17:17:37 +0200543 g_free(server);
Marc-André Lureau9732baf2015-11-27 15:41:18 +0100544
545 return FALSE;
546}
547
548static void test_server_free(TestServer *server)
549{
550 g_idle_add((GSourceFunc)_test_server_free, server);
Marc-André Lureauae31fb52015-10-09 17:17:37 +0200551}
552
Marc-André Lureaub1819742015-10-09 17:17:39 +0200553static void wait_for_log_fd(TestServer *s)
554{
555 gint64 end_time;
556
557 g_mutex_lock(&s->data_mutex);
558 end_time = g_get_monotonic_time() + 5 * G_TIME_SPAN_SECOND;
559 while (s->log_fd == -1) {
560 if (!g_cond_wait_until(&s->data_cond, &s->data_mutex, end_time)) {
561 /* timeout has passed */
562 g_assert(s->log_fd != -1);
563 break;
564 }
565 }
566
567 g_mutex_unlock(&s->data_mutex);
568}
569
Peter Maydell3a87d002016-01-22 15:09:21 +0000570static void write_guest_mem(TestServer *s, uint32_t seed)
Marc-André Lureaub1819742015-10-09 17:17:39 +0200571{
572 uint32_t *guest_mem;
573 int i, j;
574 size_t size;
575
576 wait_for_fds(s);
577
578 /* iterate all regions */
579 for (i = 0; i < s->fds_num; i++) {
580
581 /* We'll write only the region statring at 0x0 */
582 if (s->memory.regions[i].guest_phys_addr != 0x0) {
583 continue;
584 }
585
586 g_assert_cmpint(s->memory.regions[i].memory_size, >, 1024);
587
588 size = s->memory.regions[i].memory_size +
589 s->memory.regions[i].mmap_offset;
590
591 guest_mem = mmap(0, size, PROT_READ | PROT_WRITE,
592 MAP_SHARED, s->fds[i], 0);
593
594 g_assert(guest_mem != MAP_FAILED);
595 guest_mem += (s->memory.regions[i].mmap_offset / sizeof(*guest_mem));
596
597 for (j = 0; j < 256; j++) {
598 guest_mem[j] = seed + j;
599 }
600
601 munmap(guest_mem, s->memory.regions[i].memory_size);
602 break;
603 }
604}
605
606static guint64 get_log_size(TestServer *s)
607{
608 guint64 log_size = 0;
609 int i;
610
611 for (i = 0; i < s->memory.nregions; ++i) {
612 VhostUserMemoryRegion *reg = &s->memory.regions[i];
613 guint64 last = range_get_last(reg->guest_phys_addr,
614 reg->memory_size);
615 log_size = MAX(log_size, last / (8 * VHOST_LOG_PAGE) + 1);
616 }
617
618 return log_size;
619}
620
Marc-André Lureau1d9edff2015-10-09 17:17:40 +0200621typedef struct TestMigrateSource {
622 GSource source;
623 TestServer *src;
624 TestServer *dest;
625} TestMigrateSource;
626
627static gboolean
628test_migrate_source_check(GSource *source)
629{
630 TestMigrateSource *t = (TestMigrateSource *)source;
Michael S. Tsirkind08e42a2015-11-26 15:14:02 +0200631 gboolean overlap = t->src->rings && t->dest->rings;
Marc-André Lureau1d9edff2015-10-09 17:17:40 +0200632
633 g_assert(!overlap);
634
635 return FALSE;
636}
637
638GSourceFuncs test_migrate_source_funcs = {
Marc-André Lureau45ce5122015-11-30 17:44:49 +0100639 .check = test_migrate_source_check,
Marc-André Lureau1d9edff2015-10-09 17:17:40 +0200640};
641
Marc-André Lureau8e029fd2018-02-15 22:25:49 +0100642static void test_read_guest_mem(const void *arg)
Maxime Coqueline364c702017-12-21 22:21:22 +0100643{
Marc-André Lureau8e029fd2018-02-15 22:25:49 +0100644 enum test_memfd memfd = GPOINTER_TO_INT(arg);
Maxime Coqueline364c702017-12-21 22:21:22 +0100645 TestServer *server = NULL;
646 char *qemu_cmd = NULL;
647 QTestState *s = NULL;
648
Marc-André Lureau8e029fd2018-02-15 22:25:49 +0100649 server = test_server_new(memfd == TEST_MEMFD_YES ?
650 "read-guest-memfd" : "read-guest-mem");
Maxime Coqueline364c702017-12-21 22:21:22 +0100651 test_server_listen(server);
652
Marc-André Lureau8e029fd2018-02-15 22:25:49 +0100653 qemu_cmd = get_qemu_cmd(server, 512, memfd, root, "", "");
Maxime Coqueline364c702017-12-21 22:21:22 +0100654
655 s = qtest_start(qemu_cmd);
656 g_free(qemu_cmd);
657
Maxime Coquelind3b2a5d2017-12-21 22:21:24 +0100658 init_virtio_dev(server, 1u << VIRTIO_NET_F_MAC);
Maxime Coqueline364c702017-12-21 22:21:22 +0100659
Marc-André Lureau83265142018-02-01 14:27:56 +0100660 read_guest_mem_server(server);
Maxime Coqueline364c702017-12-21 22:21:22 +0100661
Maxime Coquelin026eb172017-12-21 22:21:23 +0100662 uninit_virtio_dev(server);
663
Maxime Coqueline364c702017-12-21 22:21:22 +0100664 qtest_quit(s);
665 test_server_free(server);
666}
667
Marc-André Lureaub1819742015-10-09 17:17:39 +0200668static void test_migrate(void)
669{
670 TestServer *s = test_server_new("src");
671 TestServer *dest = test_server_new("dest");
Marc-André Lureaua899b1e2015-11-27 15:41:19 +0100672 char *uri = g_strdup_printf("%s%s", "unix:", dest->mig_path);
Marc-André Lureaub1819742015-10-09 17:17:39 +0200673 QTestState *global = global_qtest, *from, *to;
Marc-André Lureau1d9edff2015-10-09 17:17:40 +0200674 GSource *source;
Marc-André Lureau8e029fd2018-02-15 22:25:49 +0100675 gchar *cmd, *tmp;
Marc-André Lureaub1819742015-10-09 17:17:39 +0200676 QDict *rsp;
677 guint8 *log;
678 guint64 size;
679
Marc-André Lureau4616e352016-06-06 18:45:08 +0200680 test_server_listen(s);
681 test_server_listen(dest);
682
Marc-André Lureau8e029fd2018-02-15 22:25:49 +0100683 cmd = get_qemu_cmd(s, 2, TEST_MEMFD_AUTO, root, "", "");
Marc-André Lureaub1819742015-10-09 17:17:39 +0200684 from = qtest_start(cmd);
685 g_free(cmd);
686
Maxime Coquelind3b2a5d2017-12-21 22:21:24 +0100687 init_virtio_dev(s, 1u << VIRTIO_NET_F_MAC);
Emanuele Giuseppe Esposito9ee8a692018-06-26 16:18:53 +0200688 init_virtio_dev(dest, 1u << VIRTIO_NET_F_MAC);
Marc-André Lureaub1819742015-10-09 17:17:39 +0200689 wait_for_fds(s);
690 size = get_log_size(s);
691 g_assert_cmpint(size, ==, (2 * 1024 * 1024) / (VHOST_LOG_PAGE * 8));
692
Marc-André Lureau8e029fd2018-02-15 22:25:49 +0100693 tmp = g_strdup_printf(" -incoming %s", uri);
694 cmd = get_qemu_cmd(dest, 2, TEST_MEMFD_AUTO, root, "", tmp);
695 g_free(tmp);
Marc-André Lureaub1819742015-10-09 17:17:39 +0200696 to = qtest_init(cmd);
697 g_free(cmd);
698
Marc-André Lureau1d9edff2015-10-09 17:17:40 +0200699 source = g_source_new(&test_migrate_source_funcs,
700 sizeof(TestMigrateSource));
701 ((TestMigrateSource *)source)->src = s;
702 ((TestMigrateSource *)source)->dest = dest;
703 g_source_attach(source, NULL);
704
Marc-André Lureaub1819742015-10-09 17:17:39 +0200705 /* slow down migration to have time to fiddle with log */
706 /* TODO: qtest could learn to break on some places */
707 rsp = qmp("{ 'execute': 'migrate_set_speed',"
708 "'arguments': { 'value': 10 } }");
709 g_assert(qdict_haskey(rsp, "return"));
Marc-André Lureaucb3e7f02018-04-19 17:01:43 +0200710 qobject_unref(rsp);
Marc-André Lureaub1819742015-10-09 17:17:39 +0200711
712 cmd = g_strdup_printf("{ 'execute': 'migrate',"
713 "'arguments': { 'uri': '%s' } }",
714 uri);
715 rsp = qmp(cmd);
716 g_free(cmd);
717 g_assert(qdict_haskey(rsp, "return"));
Marc-André Lureaucb3e7f02018-04-19 17:01:43 +0200718 qobject_unref(rsp);
Marc-André Lureaub1819742015-10-09 17:17:39 +0200719
720 wait_for_log_fd(s);
721
722 log = mmap(0, size, PROT_READ | PROT_WRITE, MAP_SHARED, s->log_fd, 0);
723 g_assert(log != MAP_FAILED);
724
725 /* modify first page */
726 write_guest_mem(s, 0x42);
727 log[0] = 1;
728 munmap(log, size);
729
730 /* speed things up */
731 rsp = qmp("{ 'execute': 'migrate_set_speed',"
732 "'arguments': { 'value': 0 } }");
733 g_assert(qdict_haskey(rsp, "return"));
Marc-André Lureaucb3e7f02018-04-19 17:01:43 +0200734 qobject_unref(rsp);
Marc-André Lureaub1819742015-10-09 17:17:39 +0200735
736 qmp_eventwait("STOP");
737
738 global_qtest = to;
739 qmp_eventwait("RESUME");
740
Marc-André Lureau83265142018-02-01 14:27:56 +0100741 read_guest_mem_server(dest);
Marc-André Lureaub1819742015-10-09 17:17:39 +0200742
Maxime Coquelin026eb172017-12-21 22:21:23 +0100743 uninit_virtio_dev(s);
Emanuele Giuseppe Esposito9ee8a692018-06-26 16:18:53 +0200744 uninit_virtio_dev(dest);
Maxime Coquelin026eb172017-12-21 22:21:23 +0100745
Marc-André Lureau1d9edff2015-10-09 17:17:40 +0200746 g_source_destroy(source);
747 g_source_unref(source);
748
Marc-André Lureaub1819742015-10-09 17:17:39 +0200749 qtest_quit(to);
750 test_server_free(dest);
751 qtest_quit(from);
752 test_server_free(s);
Marc-André Lureaua899b1e2015-11-27 15:41:19 +0100753 g_free(uri);
Marc-André Lureaub1819742015-10-09 17:17:39 +0200754
755 global_qtest = global;
756}
757
Marc-André Lureau4616e352016-06-06 18:45:08 +0200758static void wait_for_rings_started(TestServer *s, size_t count)
759{
760 gint64 end_time;
761
762 g_mutex_lock(&s->data_mutex);
763 end_time = g_get_monotonic_time() + 5 * G_TIME_SPAN_SECOND;
764 while (ctpop64(s->rings) != count) {
765 if (!g_cond_wait_until(&s->data_cond, &s->data_mutex, end_time)) {
766 /* timeout has passed */
767 g_assert_cmpint(ctpop64(s->rings), ==, count);
768 break;
769 }
770 }
771
772 g_mutex_unlock(&s->data_mutex);
773}
774
Marc-André Lureau7a9ec652018-02-01 14:27:55 +0100775#if defined(CONFIG_HAS_GLIB_SUBPROCESS_TESTS)
Philippe Mathieu-Daudé20784082017-09-05 15:06:02 -0300776static inline void test_server_connect(TestServer *server)
777{
778 test_server_create_chr(server, ",reconnect=1");
779}
780
Marc-André Lureau4616e352016-06-06 18:45:08 +0200781static gboolean
782reconnect_cb(gpointer user_data)
783{
784 TestServer *s = user_data;
785
Marc-André Lureau5345fdb2016-10-22 12:52:55 +0300786 qemu_chr_fe_disconnect(&s->chr);
Marc-André Lureau4616e352016-06-06 18:45:08 +0200787
788 return FALSE;
789}
790
791static gpointer
792connect_thread(gpointer data)
793{
794 TestServer *s = data;
795
796 /* wait for qemu to start before first try, to avoid extra warnings */
797 g_usleep(G_USEC_PER_SEC);
798 test_server_connect(s);
799
800 return NULL;
801}
802
803static void test_reconnect_subprocess(void)
804{
805 TestServer *s = test_server_new("reconnect");
806 char *cmd;
807
808 g_thread_new("connect", connect_thread, s);
Marc-André Lureau8e029fd2018-02-15 22:25:49 +0100809 cmd = get_qemu_cmd(s, 2, TEST_MEMFD_AUTO, root, ",server", "");
Marc-André Lureau4616e352016-06-06 18:45:08 +0200810 qtest_start(cmd);
811 g_free(cmd);
812
Maxime Coquelind3b2a5d2017-12-21 22:21:24 +0100813 init_virtio_dev(s, 1u << VIRTIO_NET_F_MAC);
Marc-André Lureau4616e352016-06-06 18:45:08 +0200814 wait_for_fds(s);
815 wait_for_rings_started(s, 2);
816
817 /* reconnect */
818 s->fds_num = 0;
819 s->rings = 0;
820 g_idle_add(reconnect_cb, s);
821 wait_for_fds(s);
822 wait_for_rings_started(s, 2);
823
Maxime Coquelin026eb172017-12-21 22:21:23 +0100824 uninit_virtio_dev(s);
825
Marc-André Lureau4616e352016-06-06 18:45:08 +0200826 qtest_end();
827 test_server_free(s);
828 return;
829}
830
831static void test_reconnect(void)
832{
833 gchar *path = g_strdup_printf("/%s/vhost-user/reconnect/subprocess",
834 qtest_get_arch());
835 g_test_trap_subprocess(path, 0, 0);
836 g_test_trap_assert_passed();
Marc-André Lureau69179fe2016-07-27 01:15:21 +0400837 g_free(path);
Marc-André Lureau4616e352016-06-06 18:45:08 +0200838}
Marc-André Lureau5d443f52016-09-09 15:34:43 +0400839
840static void test_connect_fail_subprocess(void)
841{
842 TestServer *s = test_server_new("connect-fail");
843 char *cmd;
844
845 s->test_fail = true;
846 g_thread_new("connect", connect_thread, s);
Marc-André Lureau8e029fd2018-02-15 22:25:49 +0100847 cmd = get_qemu_cmd(s, 2, TEST_MEMFD_AUTO, root, ",server", "");
Marc-André Lureau5d443f52016-09-09 15:34:43 +0400848 qtest_start(cmd);
849 g_free(cmd);
850
Maxime Coquelind3b2a5d2017-12-21 22:21:24 +0100851 init_virtio_dev(s, 1u << VIRTIO_NET_F_MAC);
Marc-André Lureau5d443f52016-09-09 15:34:43 +0400852 wait_for_fds(s);
853 wait_for_rings_started(s, 2);
854
Maxime Coquelin026eb172017-12-21 22:21:23 +0100855 uninit_virtio_dev(s);
856
Marc-André Lureau5d443f52016-09-09 15:34:43 +0400857 qtest_end();
858 test_server_free(s);
859}
860
861static void test_connect_fail(void)
862{
863 gchar *path = g_strdup_printf("/%s/vhost-user/connect-fail/subprocess",
864 qtest_get_arch());
865 g_test_trap_subprocess(path, 0, 0);
866 g_test_trap_assert_passed();
867 g_free(path);
868}
869
Marc-André Lureau9294d762016-09-09 15:34:45 +0400870static void test_flags_mismatch_subprocess(void)
871{
872 TestServer *s = test_server_new("flags-mismatch");
873 char *cmd;
874
875 s->test_flags = TEST_FLAGS_DISCONNECT;
876 g_thread_new("connect", connect_thread, s);
Marc-André Lureau8e029fd2018-02-15 22:25:49 +0100877 cmd = get_qemu_cmd(s, 2, TEST_MEMFD_AUTO, root, ",server", "");
Marc-André Lureau9294d762016-09-09 15:34:45 +0400878 qtest_start(cmd);
879 g_free(cmd);
880
Maxime Coquelind3b2a5d2017-12-21 22:21:24 +0100881 init_virtio_dev(s, 1u << VIRTIO_NET_F_MAC);
Marc-André Lureau9294d762016-09-09 15:34:45 +0400882 wait_for_fds(s);
883 wait_for_rings_started(s, 2);
884
Maxime Coquelin026eb172017-12-21 22:21:23 +0100885 uninit_virtio_dev(s);
886
Marc-André Lureau9294d762016-09-09 15:34:45 +0400887 qtest_end();
888 test_server_free(s);
889}
890
891static void test_flags_mismatch(void)
892{
893 gchar *path = g_strdup_printf("/%s/vhost-user/flags-mismatch/subprocess",
894 qtest_get_arch());
895 g_test_trap_subprocess(path, 0, 0);
896 g_test_trap_assert_passed();
897 g_free(path);
898}
899
Marc-André Lureau4616e352016-06-06 18:45:08 +0200900#endif
901
Marc-André Lureaued0a8d92016-09-09 15:34:44 +0400902static void test_multiqueue(void)
903{
Marc-André Lureaued0a8d92016-09-09 15:34:44 +0400904 TestServer *s = test_server_new("mq");
Marc-André Lureaued0a8d92016-09-09 15:34:44 +0400905 char *cmd;
Maxime Coquelin459f5d22017-12-21 22:21:25 +0100906 uint32_t features_mask = ~(QVIRTIO_F_BAD_FEATURE |
907 (1u << VIRTIO_RING_F_INDIRECT_DESC) |
908 (1u << VIRTIO_RING_F_EVENT_IDX));
909 s->queues = 2;
Marc-André Lureaued0a8d92016-09-09 15:34:44 +0400910 test_server_listen(s);
911
Marc-André Lureau8e029fd2018-02-15 22:25:49 +0100912 if (qemu_memfd_check()) {
913 cmd = g_strdup_printf(
914 QEMU_CMD_MEMFD QEMU_CMD_CHR QEMU_CMD_NETDEV ",queues=%d "
915 "-device virtio-net-pci,netdev=net0,mq=on,vectors=%d",
916 512, 512, s->chr_name,
917 s->socket_path, "", s->chr_name,
918 s->queues, s->queues * 2 + 2);
919 } else {
920 cmd = g_strdup_printf(
921 QEMU_CMD_MEM QEMU_CMD_CHR QEMU_CMD_NETDEV ",queues=%d "
922 "-device virtio-net-pci,netdev=net0,mq=on,vectors=%d",
923 512, 512, root, s->chr_name,
924 s->socket_path, "", s->chr_name,
925 s->queues, s->queues * 2 + 2);
926 }
Marc-André Lureaued0a8d92016-09-09 15:34:44 +0400927 qtest_start(cmd);
928 g_free(cmd);
929
Maxime Coquelin459f5d22017-12-21 22:21:25 +0100930 init_virtio_dev(s, features_mask);
Marc-André Lureaued0a8d92016-09-09 15:34:44 +0400931
Maxime Coquelin459f5d22017-12-21 22:21:25 +0100932 wait_for_rings_started(s, s->queues * 2);
Marc-André Lureaued0a8d92016-09-09 15:34:44 +0400933
Maxime Coquelin459f5d22017-12-21 22:21:25 +0100934 uninit_virtio_dev(s);
Marc-André Lureaued0a8d92016-09-09 15:34:44 +0400935
Marc-André Lureaued0a8d92016-09-09 15:34:44 +0400936 qtest_end();
937
938 test_server_free(s);
939}
940
Nikolay Nikolaeva77e6b12014-06-10 13:03:23 +0300941int main(int argc, char **argv)
942{
Michael S. Tsirkin1b7e1e32015-09-30 18:01:21 +0300943 const char *hugefs;
Nikolay Nikolaeva77e6b12014-06-10 13:03:23 +0300944 int ret;
Michael S. Tsirkin1b7e1e32015-09-30 18:01:21 +0300945 char template[] = "/tmp/vhost-test-XXXXXX";
Marc-André Lureau9732baf2015-11-27 15:41:18 +0100946 GMainLoop *loop;
947 GThread *thread;
Nikolay Nikolaeva77e6b12014-06-10 13:03:23 +0300948
949 g_test_init(&argc, &argv, NULL);
950
951 module_call_init(MODULE_INIT_QOM);
Marc-André Lureauae31fb52015-10-09 17:17:37 +0200952 qemu_add_opts(&qemu_chardev_opts);
Nikolay Nikolaeva77e6b12014-06-10 13:03:23 +0300953
Michael S. Tsirkin1b7e1e32015-09-30 18:01:21 +0300954 tmpfs = mkdtemp(template);
955 if (!tmpfs) {
Marc-André Lureauae31fb52015-10-09 17:17:37 +0200956 g_test_message("mkdtemp on path (%s): %s\n", template, strerror(errno));
Michael S. Tsirkin1b7e1e32015-09-30 18:01:21 +0300957 }
958 g_assert(tmpfs);
959
960 hugefs = getenv("QTEST_HUGETLBFS_PATH");
961 if (hugefs) {
962 root = init_hugepagefs(hugefs);
963 g_assert(root);
964 } else {
965 root = tmpfs;
Nikolay Nikolaeva77e6b12014-06-10 13:03:23 +0300966 }
967
Marc-André Lureau9732baf2015-11-27 15:41:18 +0100968 loop = g_main_loop_new(NULL, FALSE);
Nikolay Nikolaeva77e6b12014-06-10 13:03:23 +0300969 /* run the main loop thread so the chardev may operate */
Marc-André Lureau9732baf2015-11-27 15:41:18 +0100970 thread = g_thread_new(NULL, thread_function, loop);
Nikolay Nikolaeva77e6b12014-06-10 13:03:23 +0300971
Marc-André Lureau8e029fd2018-02-15 22:25:49 +0100972 if (qemu_memfd_check()) {
973 qtest_add_data_func("/vhost-user/read-guest-mem/memfd",
974 GINT_TO_POINTER(TEST_MEMFD_YES),
975 test_read_guest_mem);
976 }
977 qtest_add_data_func("/vhost-user/read-guest-mem/memfile",
978 GINT_TO_POINTER(TEST_MEMFD_NO), test_read_guest_mem);
Marc-André Lureaub1819742015-10-09 17:17:39 +0200979 qtest_add_func("/vhost-user/migrate", test_migrate);
Marc-André Lureaued0a8d92016-09-09 15:34:44 +0400980 qtest_add_func("/vhost-user/multiqueue", test_multiqueue);
Philippe Mathieu-Daudé20784082017-09-05 15:06:02 -0300981
Marc-André Lureau7a9ec652018-02-01 14:27:55 +0100982#if defined(CONFIG_HAS_GLIB_SUBPROCESS_TESTS)
983 /* keeps failing on build-system since Aug 15 2017 */
984 if (getenv("QTEST_VHOST_USER_FIXME")) {
985 qtest_add_func("/vhost-user/reconnect/subprocess",
986 test_reconnect_subprocess);
987 qtest_add_func("/vhost-user/reconnect", test_reconnect);
988 qtest_add_func("/vhost-user/connect-fail/subprocess",
989 test_connect_fail_subprocess);
990 qtest_add_func("/vhost-user/connect-fail", test_connect_fail);
991 qtest_add_func("/vhost-user/flags-mismatch/subprocess",
992 test_flags_mismatch_subprocess);
993 qtest_add_func("/vhost-user/flags-mismatch", test_flags_mismatch);
994 }
Marc-André Lureau4616e352016-06-06 18:45:08 +0200995#endif
Nikolay Nikolaeva77e6b12014-06-10 13:03:23 +0300996
997 ret = g_test_run();
998
Nikolay Nikolaeva77e6b12014-06-10 13:03:23 +0300999 /* cleanup */
Nikolay Nikolaeva77e6b12014-06-10 13:03:23 +03001000
Marc-André Lureau9732baf2015-11-27 15:41:18 +01001001 /* finish the helper thread and dispatch pending sources */
1002 g_main_loop_quit(loop);
1003 g_thread_join(thread);
1004 while (g_main_context_pending(NULL)) {
1005 g_main_context_iteration (NULL, TRUE);
1006 }
1007 g_main_loop_unref(loop);
1008
Michael S. Tsirkin1b7e1e32015-09-30 18:01:21 +03001009 ret = rmdir(tmpfs);
1010 if (ret != 0) {
1011 g_test_message("unable to rmdir: path (%s): %s\n",
1012 tmpfs, strerror(errno));
1013 }
1014 g_assert_cmpint(ret, ==, 0);
1015
Nikolay Nikolaeva77e6b12014-06-10 13:03:23 +03001016 return ret;
1017}