+++ /dev/null
-/*
- * QTest testcase for the vhost-user
- *
- * Copyright (c) 2014 Virtual Open Systems Sarl.
- *
- * This work is licensed under the terms of the GNU GPL, version 2 or later.
- * See the COPYING file in the top-level directory.
- *
- */
-
-#include "qemu/osdep.h"
-
-#include "libqtest.h"
-#include "qapi/error.h"
-#include "qapi/qmp/qdict.h"
-#include "qemu/config-file.h"
-#include "qemu/option.h"
-#include "qemu/range.h"
-#include "qemu/sockets.h"
-#include "chardev/char-fe.h"
-#include "qemu/memfd.h"
-#include "sysemu/sysemu.h"
-#include "libqos/libqos.h"
-#include "libqos/pci-pc.h"
-#include "libqos/virtio-pci.h"
-
-#include "libqos/malloc-pc.h"
-#include "hw/virtio/virtio-net.h"
-
-#include <linux/vhost.h>
-#include <linux/virtio_ids.h>
-#include <linux/virtio_net.h>
-#include <sys/vfs.h>
-
-
-#define QEMU_CMD_MEM " -m %d -object memory-backend-file,id=mem,size=%dM," \
- "mem-path=%s,share=on -numa node,memdev=mem"
-#define QEMU_CMD_MEMFD " -m %d -object memory-backend-memfd,id=mem,size=%dM," \
- " -numa node,memdev=mem"
-#define QEMU_CMD_CHR " -chardev socket,id=%s,path=%s%s"
-#define QEMU_CMD_NETDEV " -netdev vhost-user,id=net0,chardev=%s,vhostforce"
-#define QEMU_CMD_NET " -device virtio-net-pci,netdev=net0"
-
-#define HUGETLBFS_MAGIC 0x958458f6
-
-/*********** FROM hw/virtio/vhost-user.c *************************************/
-
-#define VHOST_MEMORY_MAX_NREGIONS 8
-#define VHOST_MAX_VIRTQUEUES 0x100
-
-#define VHOST_USER_F_PROTOCOL_FEATURES 30
-#define VHOST_USER_PROTOCOL_F_MQ 0
-#define VHOST_USER_PROTOCOL_F_LOG_SHMFD 1
-
-#define VHOST_LOG_PAGE 0x1000
-
-typedef enum VhostUserRequest {
- VHOST_USER_NONE = 0,
- VHOST_USER_GET_FEATURES = 1,
- VHOST_USER_SET_FEATURES = 2,
- VHOST_USER_SET_OWNER = 3,
- VHOST_USER_RESET_OWNER = 4,
- VHOST_USER_SET_MEM_TABLE = 5,
- VHOST_USER_SET_LOG_BASE = 6,
- VHOST_USER_SET_LOG_FD = 7,
- VHOST_USER_SET_VRING_NUM = 8,
- VHOST_USER_SET_VRING_ADDR = 9,
- VHOST_USER_SET_VRING_BASE = 10,
- VHOST_USER_GET_VRING_BASE = 11,
- VHOST_USER_SET_VRING_KICK = 12,
- VHOST_USER_SET_VRING_CALL = 13,
- VHOST_USER_SET_VRING_ERR = 14,
- VHOST_USER_GET_PROTOCOL_FEATURES = 15,
- VHOST_USER_SET_PROTOCOL_FEATURES = 16,
- VHOST_USER_GET_QUEUE_NUM = 17,
- VHOST_USER_SET_VRING_ENABLE = 18,
- VHOST_USER_MAX
-} VhostUserRequest;
-
-typedef struct VhostUserMemoryRegion {
- uint64_t guest_phys_addr;
- uint64_t memory_size;
- uint64_t userspace_addr;
- uint64_t mmap_offset;
-} VhostUserMemoryRegion;
-
-typedef struct VhostUserMemory {
- uint32_t nregions;
- uint32_t padding;
- VhostUserMemoryRegion regions[VHOST_MEMORY_MAX_NREGIONS];
-} VhostUserMemory;
-
-typedef struct VhostUserLog {
- uint64_t mmap_size;
- uint64_t mmap_offset;
-} VhostUserLog;
-
-typedef struct VhostUserMsg {
- VhostUserRequest request;
-
-#define VHOST_USER_VERSION_MASK (0x3)
-#define VHOST_USER_REPLY_MASK (0x1<<2)
- uint32_t flags;
- uint32_t size; /* the following payload size */
- union {
-#define VHOST_USER_VRING_IDX_MASK (0xff)
-#define VHOST_USER_VRING_NOFD_MASK (0x1<<8)
- uint64_t u64;
- struct vhost_vring_state state;
- struct vhost_vring_addr addr;
- VhostUserMemory memory;
- VhostUserLog log;
- } payload;
-} QEMU_PACKED VhostUserMsg;
-
-static VhostUserMsg m __attribute__ ((unused));
-#define VHOST_USER_HDR_SIZE (sizeof(m.request) \
- + sizeof(m.flags) \
- + sizeof(m.size))
-
-#define VHOST_USER_PAYLOAD_SIZE (sizeof(m) - VHOST_USER_HDR_SIZE)
-
-/* The version of the protocol we support */
-#define VHOST_USER_VERSION (0x1)
-/*****************************************************************************/
-
-enum {
- TEST_FLAGS_OK,
- TEST_FLAGS_DISCONNECT,
- TEST_FLAGS_BAD,
- TEST_FLAGS_END,
-};
-
-typedef struct TestServer {
- QPCIBus *bus;
- QVirtioPCIDevice *dev;
- QVirtQueue *vq[VHOST_MAX_VIRTQUEUES];
- gchar *socket_path;
- gchar *mig_path;
- gchar *chr_name;
- CharBackend chr;
- int fds_num;
- int fds[VHOST_MEMORY_MAX_NREGIONS];
- VhostUserMemory memory;
- GMutex data_mutex;
- GCond data_cond;
- int log_fd;
- uint64_t rings;
- bool test_fail;
- int test_flags;
- int queues;
- QGuestAllocator *alloc;
-} TestServer;
-
-static TestServer *test_server_new(const gchar *name);
-static void test_server_free(TestServer *server);
-static void test_server_listen(TestServer *server);
-
-static const char *tmpfs;
-static const char *root;
-
-enum test_memfd {
- TEST_MEMFD_AUTO,
- TEST_MEMFD_YES,
- TEST_MEMFD_NO,
-};
-
-static char *get_qemu_cmd(TestServer *s,
- int mem, enum test_memfd memfd, const char *mem_path,
- const char *chr_opts, const char *extra)
-{
- if (memfd == TEST_MEMFD_AUTO && qemu_memfd_check(0)) {
- memfd = TEST_MEMFD_YES;
- }
-
- if (memfd == TEST_MEMFD_YES) {
- return g_strdup_printf(QEMU_CMD_MEMFD QEMU_CMD_CHR
- QEMU_CMD_NETDEV QEMU_CMD_NET "%s", mem, mem,
- s->chr_name, s->socket_path,
- chr_opts, s->chr_name, extra);
- } else {
- return g_strdup_printf(QEMU_CMD_MEM QEMU_CMD_CHR
- QEMU_CMD_NETDEV QEMU_CMD_NET "%s", mem, mem,
- mem_path, s->chr_name, s->socket_path,
- chr_opts, s->chr_name, extra);
- }
-}
-
-static void init_virtio_dev(TestServer *s, uint32_t features_mask)
-{
- uint32_t features;
- int i;
-
- s->bus = qpci_init_pc(global_qtest, NULL);
- g_assert_nonnull(s->bus);
-
- s->dev = qvirtio_pci_device_find(s->bus, VIRTIO_ID_NET);
- g_assert_nonnull(s->dev);
-
- qvirtio_pci_device_enable(s->dev);
- qvirtio_reset(&s->dev->vdev);
- qvirtio_set_acknowledge(&s->dev->vdev);
- qvirtio_set_driver(&s->dev->vdev);
-
- s->alloc = pc_alloc_init(global_qtest);
-
- for (i = 0; i < s->queues * 2; i++) {
- s->vq[i] = qvirtqueue_setup(&s->dev->vdev, s->alloc, i);
- }
-
- features = qvirtio_get_features(&s->dev->vdev);
- features = features & features_mask;
- qvirtio_set_features(&s->dev->vdev, features);
-
- qvirtio_set_driver_ok(&s->dev->vdev);
-}
-
-static void uninit_virtio_dev(TestServer *s)
-{
- int i;
-
- for (i = 0; i < s->queues * 2; i++) {
- qvirtqueue_cleanup(s->dev->vdev.bus, s->vq[i], s->alloc);
- }
- pc_alloc_uninit(s->alloc);
-
- qvirtio_pci_device_free(s->dev);
-}
-
-static void wait_for_fds(TestServer *s)
-{
- gint64 end_time;
-
- g_mutex_lock(&s->data_mutex);
-
- end_time = g_get_monotonic_time() + 5 * G_TIME_SPAN_SECOND;
- while (!s->fds_num) {
- if (!g_cond_wait_until(&s->data_cond, &s->data_mutex, end_time)) {
- /* timeout has passed */
- g_assert(s->fds_num);
- break;
- }
- }
-
- /* check for sanity */
- g_assert_cmpint(s->fds_num, >, 0);
- g_assert_cmpint(s->fds_num, ==, s->memory.nregions);
-
- g_mutex_unlock(&s->data_mutex);
-}
-
-static void read_guest_mem_server(TestServer *s)
-{
- uint32_t *guest_mem;
- int i, j;
- size_t size;
-
- wait_for_fds(s);
-
- g_mutex_lock(&s->data_mutex);
-
- /* iterate all regions */
- for (i = 0; i < s->fds_num; i++) {
-
- /* We'll check only the region statring at 0x0*/
- if (s->memory.regions[i].guest_phys_addr != 0x0) {
- continue;
- }
-
- g_assert_cmpint(s->memory.regions[i].memory_size, >, 1024);
-
- size = s->memory.regions[i].memory_size +
- s->memory.regions[i].mmap_offset;
-
- guest_mem = mmap(0, size, PROT_READ | PROT_WRITE,
- MAP_SHARED, s->fds[i], 0);
-
- g_assert(guest_mem != MAP_FAILED);
- guest_mem += (s->memory.regions[i].mmap_offset / sizeof(*guest_mem));
-
- for (j = 0; j < 256; j++) {
- uint32_t a = readl(s->memory.regions[i].guest_phys_addr + j*4);
- uint32_t b = guest_mem[j];
-
- g_assert_cmpint(a, ==, b);
- }
-
- munmap(guest_mem, s->memory.regions[i].memory_size);
- }
-
- g_mutex_unlock(&s->data_mutex);
-}
-
-static void *thread_function(void *data)
-{
- GMainLoop *loop = data;
- g_main_loop_run(loop);
- return NULL;
-}
-
-static int chr_can_read(void *opaque)
-{
- return VHOST_USER_HDR_SIZE;
-}
-
-static void chr_read(void *opaque, const uint8_t *buf, int size)
-{
- TestServer *s = opaque;
- CharBackend *chr = &s->chr;
- VhostUserMsg msg;
- uint8_t *p = (uint8_t *) &msg;
- int fd;
-
- if (s->test_fail) {
- qemu_chr_fe_disconnect(chr);
- /* now switch to non-failure */
- s->test_fail = false;
- }
-
- if (size != VHOST_USER_HDR_SIZE) {
- g_test_message("Wrong message size received %d\n", size);
- return;
- }
-
- g_mutex_lock(&s->data_mutex);
- memcpy(p, buf, VHOST_USER_HDR_SIZE);
-
- if (msg.size) {
- p += VHOST_USER_HDR_SIZE;
- size = qemu_chr_fe_read_all(chr, p, msg.size);
- if (size != msg.size) {
- g_test_message("Wrong message size received %d != %d\n",
- size, msg.size);
- return;
- }
- }
-
- switch (msg.request) {
- case VHOST_USER_GET_FEATURES:
- /* send back features to qemu */
- msg.flags |= VHOST_USER_REPLY_MASK;
- msg.size = sizeof(m.payload.u64);
- msg.payload.u64 = 0x1ULL << VHOST_F_LOG_ALL |
- 0x1ULL << VHOST_USER_F_PROTOCOL_FEATURES;
- if (s->queues > 1) {
- msg.payload.u64 |= 0x1ULL << VIRTIO_NET_F_MQ;
- }
- if (s->test_flags >= TEST_FLAGS_BAD) {
- msg.payload.u64 = 0;
- s->test_flags = TEST_FLAGS_END;
- }
- p = (uint8_t *) &msg;
- qemu_chr_fe_write_all(chr, p, VHOST_USER_HDR_SIZE + msg.size);
- break;
-
- case VHOST_USER_SET_FEATURES:
- g_assert_cmpint(msg.payload.u64 & (0x1ULL << VHOST_USER_F_PROTOCOL_FEATURES),
- !=, 0ULL);
- if (s->test_flags == TEST_FLAGS_DISCONNECT) {
- qemu_chr_fe_disconnect(chr);
- s->test_flags = TEST_FLAGS_BAD;
- }
- break;
-
- case VHOST_USER_GET_PROTOCOL_FEATURES:
- /* send back features to qemu */
- msg.flags |= VHOST_USER_REPLY_MASK;
- msg.size = sizeof(m.payload.u64);
- msg.payload.u64 = 1 << VHOST_USER_PROTOCOL_F_LOG_SHMFD;
- if (s->queues > 1) {
- msg.payload.u64 |= 1 << VHOST_USER_PROTOCOL_F_MQ;
- }
- p = (uint8_t *) &msg;
- qemu_chr_fe_write_all(chr, p, VHOST_USER_HDR_SIZE + msg.size);
- break;
-
- case VHOST_USER_GET_VRING_BASE:
- /* send back vring base to qemu */
- msg.flags |= VHOST_USER_REPLY_MASK;
- msg.size = sizeof(m.payload.state);
- msg.payload.state.num = 0;
- p = (uint8_t *) &msg;
- qemu_chr_fe_write_all(chr, p, VHOST_USER_HDR_SIZE + msg.size);
-
- assert(msg.payload.state.index < s->queues * 2);
- s->rings &= ~(0x1ULL << msg.payload.state.index);
- break;
-
- case VHOST_USER_SET_MEM_TABLE:
- /* received the mem table */
- memcpy(&s->memory, &msg.payload.memory, sizeof(msg.payload.memory));
- s->fds_num = qemu_chr_fe_get_msgfds(chr, s->fds,
- G_N_ELEMENTS(s->fds));
-
- /* signal the test that it can continue */
- g_cond_signal(&s->data_cond);
- break;
-
- case VHOST_USER_SET_VRING_KICK:
- case VHOST_USER_SET_VRING_CALL:
- /* consume the fd */
- qemu_chr_fe_get_msgfds(chr, &fd, 1);
- /*
- * This is a non-blocking eventfd.
- * The receive function forces it to be blocking,
- * so revert it back to non-blocking.
- */
- qemu_set_nonblock(fd);
- break;
-
- case VHOST_USER_SET_LOG_BASE:
- if (s->log_fd != -1) {
- close(s->log_fd);
- s->log_fd = -1;
- }
- qemu_chr_fe_get_msgfds(chr, &s->log_fd, 1);
- msg.flags |= VHOST_USER_REPLY_MASK;
- msg.size = 0;
- p = (uint8_t *) &msg;
- qemu_chr_fe_write_all(chr, p, VHOST_USER_HDR_SIZE);
-
- g_cond_signal(&s->data_cond);
- break;
-
- case VHOST_USER_SET_VRING_BASE:
- assert(msg.payload.state.index < s->queues * 2);
- s->rings |= 0x1ULL << msg.payload.state.index;
- break;
-
- case VHOST_USER_GET_QUEUE_NUM:
- msg.flags |= VHOST_USER_REPLY_MASK;
- msg.size = sizeof(m.payload.u64);
- msg.payload.u64 = s->queues;
- p = (uint8_t *) &msg;
- qemu_chr_fe_write_all(chr, p, VHOST_USER_HDR_SIZE + msg.size);
- break;
-
- default:
- break;
- }
-
- g_mutex_unlock(&s->data_mutex);
-}
-
-static const char *init_hugepagefs(const char *path)
-{
- struct statfs fs;
- int ret;
-
- if (access(path, R_OK | W_OK | X_OK)) {
- g_test_message("access on path (%s): %s\n", path, strerror(errno));
- return NULL;
- }
-
- do {
- ret = statfs(path, &fs);
- } while (ret != 0 && errno == EINTR);
-
- if (ret != 0) {
- g_test_message("statfs on path (%s): %s\n", path, strerror(errno));
- return NULL;
- }
-
- if (fs.f_type != HUGETLBFS_MAGIC) {
- g_test_message("Warning: path not on HugeTLBFS: %s\n", path);
- return NULL;
- }
-
- return path;
-}
-
-static TestServer *test_server_new(const gchar *name)
-{
- TestServer *server = g_new0(TestServer, 1);
-
- server->socket_path = g_strdup_printf("%s/%s.sock", tmpfs, name);
- server->mig_path = g_strdup_printf("%s/%s.mig", tmpfs, name);
- server->chr_name = g_strdup_printf("chr-%s", name);
-
- g_mutex_init(&server->data_mutex);
- g_cond_init(&server->data_cond);
-
- server->log_fd = -1;
- server->queues = 1;
-
- return server;
-}
-
-static void chr_event(void *opaque, int event)
-{
- TestServer *s = opaque;
-
- if (s->test_flags == TEST_FLAGS_END &&
- event == CHR_EVENT_CLOSED) {
- s->test_flags = TEST_FLAGS_OK;
- }
-}
-
-static void test_server_create_chr(TestServer *server, const gchar *opt)
-{
- gchar *chr_path;
- Chardev *chr;
-
- chr_path = g_strdup_printf("unix:%s%s", server->socket_path, opt);
- chr = qemu_chr_new(server->chr_name, chr_path);
- g_free(chr_path);
-
- g_assert_nonnull(chr);
- qemu_chr_fe_init(&server->chr, chr, &error_abort);
- qemu_chr_fe_set_handlers(&server->chr, chr_can_read, chr_read,
- chr_event, NULL, server, NULL, true);
-}
-
-static void test_server_listen(TestServer *server)
-{
- test_server_create_chr(server, ",server,nowait");
-}
-
-static gboolean _test_server_free(TestServer *server)
-{
- int i;
-
- qemu_chr_fe_deinit(&server->chr, true);
-
- for (i = 0; i < server->fds_num; i++) {
- close(server->fds[i]);
- }
-
- if (server->log_fd != -1) {
- close(server->log_fd);
- }
-
- unlink(server->socket_path);
- g_free(server->socket_path);
-
- unlink(server->mig_path);
- g_free(server->mig_path);
-
- g_free(server->chr_name);
- g_assert(server->bus);
- qpci_free_pc(server->bus);
-
- g_free(server);
-
- return FALSE;
-}
-
-static void test_server_free(TestServer *server)
-{
- g_idle_add((GSourceFunc)_test_server_free, server);
-}
-
-static void wait_for_log_fd(TestServer *s)
-{
- gint64 end_time;
-
- g_mutex_lock(&s->data_mutex);
- end_time = g_get_monotonic_time() + 5 * G_TIME_SPAN_SECOND;
- while (s->log_fd == -1) {
- if (!g_cond_wait_until(&s->data_cond, &s->data_mutex, end_time)) {
- /* timeout has passed */
- g_assert(s->log_fd != -1);
- break;
- }
- }
-
- g_mutex_unlock(&s->data_mutex);
-}
-
-static void write_guest_mem(TestServer *s, uint32_t seed)
-{
- uint32_t *guest_mem;
- int i, j;
- size_t size;
-
- wait_for_fds(s);
-
- /* iterate all regions */
- for (i = 0; i < s->fds_num; i++) {
-
- /* We'll write only the region statring at 0x0 */
- if (s->memory.regions[i].guest_phys_addr != 0x0) {
- continue;
- }
-
- g_assert_cmpint(s->memory.regions[i].memory_size, >, 1024);
-
- size = s->memory.regions[i].memory_size +
- s->memory.regions[i].mmap_offset;
-
- guest_mem = mmap(0, size, PROT_READ | PROT_WRITE,
- MAP_SHARED, s->fds[i], 0);
-
- g_assert(guest_mem != MAP_FAILED);
- guest_mem += (s->memory.regions[i].mmap_offset / sizeof(*guest_mem));
-
- for (j = 0; j < 256; j++) {
- guest_mem[j] = seed + j;
- }
-
- munmap(guest_mem, s->memory.regions[i].memory_size);
- break;
- }
-}
-
-static guint64 get_log_size(TestServer *s)
-{
- guint64 log_size = 0;
- int i;
-
- for (i = 0; i < s->memory.nregions; ++i) {
- VhostUserMemoryRegion *reg = &s->memory.regions[i];
- guint64 last = range_get_last(reg->guest_phys_addr,
- reg->memory_size);
- log_size = MAX(log_size, last / (8 * VHOST_LOG_PAGE) + 1);
- }
-
- return log_size;
-}
-
-typedef struct TestMigrateSource {
- GSource source;
- TestServer *src;
- TestServer *dest;
-} TestMigrateSource;
-
-static gboolean
-test_migrate_source_check(GSource *source)
-{
- TestMigrateSource *t = (TestMigrateSource *)source;
- gboolean overlap = t->src->rings && t->dest->rings;
-
- g_assert(!overlap);
-
- return FALSE;
-}
-
-GSourceFuncs test_migrate_source_funcs = {
- .check = test_migrate_source_check,
-};
-
-static void test_read_guest_mem(const void *arg)
-{
- enum test_memfd memfd = GPOINTER_TO_INT(arg);
- TestServer *server = NULL;
- char *qemu_cmd = NULL;
- QTestState *s = NULL;
-
- server = test_server_new(memfd == TEST_MEMFD_YES ?
- "read-guest-memfd" : "read-guest-mem");
- test_server_listen(server);
-
- qemu_cmd = get_qemu_cmd(server, 512, memfd, root, "", "");
-
- s = qtest_start(qemu_cmd);
- g_free(qemu_cmd);
-
- init_virtio_dev(server, 1u << VIRTIO_NET_F_MAC);
-
- read_guest_mem_server(server);
-
- uninit_virtio_dev(server);
-
- qtest_quit(s);
- test_server_free(server);
-}
-
-static void test_migrate(void)
-{
- TestServer *s = test_server_new("src");
- TestServer *dest = test_server_new("dest");
- char *uri = g_strdup_printf("%s%s", "unix:", dest->mig_path);
- QTestState *global = global_qtest, *from, *to;
- GSource *source;
- gchar *cmd, *tmp;
- QDict *rsp;
- guint8 *log;
- guint64 size;
-
- test_server_listen(s);
- test_server_listen(dest);
-
- cmd = get_qemu_cmd(s, 2, TEST_MEMFD_AUTO, root, "", "");
- from = qtest_start(cmd);
- g_free(cmd);
-
- init_virtio_dev(s, 1u << VIRTIO_NET_F_MAC);
- init_virtio_dev(dest, 1u << VIRTIO_NET_F_MAC);
- wait_for_fds(s);
- size = get_log_size(s);
- g_assert_cmpint(size, ==, (2 * 1024 * 1024) / (VHOST_LOG_PAGE * 8));
-
- tmp = g_strdup_printf(" -incoming %s", uri);
- cmd = get_qemu_cmd(dest, 2, TEST_MEMFD_AUTO, root, "", tmp);
- g_free(tmp);
- to = qtest_init(cmd);
- g_free(cmd);
-
- source = g_source_new(&test_migrate_source_funcs,
- sizeof(TestMigrateSource));
- ((TestMigrateSource *)source)->src = s;
- ((TestMigrateSource *)source)->dest = dest;
- g_source_attach(source, NULL);
-
- /* slow down migration to have time to fiddle with log */
- /* TODO: qtest could learn to break on some places */
- rsp = qmp("{ 'execute': 'migrate_set_speed',"
- "'arguments': { 'value': 10 } }");
- g_assert(qdict_haskey(rsp, "return"));
- qobject_unref(rsp);
-
- rsp = qmp("{ 'execute': 'migrate', 'arguments': { 'uri': %s } }", uri);
- g_assert(qdict_haskey(rsp, "return"));
- qobject_unref(rsp);
-
- wait_for_log_fd(s);
-
- log = mmap(0, size, PROT_READ | PROT_WRITE, MAP_SHARED, s->log_fd, 0);
- g_assert(log != MAP_FAILED);
-
- /* modify first page */
- write_guest_mem(s, 0x42);
- log[0] = 1;
- munmap(log, size);
-
- /* speed things up */
- rsp = qmp("{ 'execute': 'migrate_set_speed',"
- "'arguments': { 'value': 0 } }");
- g_assert(qdict_haskey(rsp, "return"));
- qobject_unref(rsp);
-
- qmp_eventwait("STOP");
-
- global_qtest = to;
- qmp_eventwait("RESUME");
-
- read_guest_mem_server(dest);
-
- uninit_virtio_dev(s);
- uninit_virtio_dev(dest);
-
- g_source_destroy(source);
- g_source_unref(source);
-
- qtest_quit(to);
- test_server_free(dest);
- qtest_quit(from);
- test_server_free(s);
- g_free(uri);
-
- global_qtest = global;
-}
-
-static void wait_for_rings_started(TestServer *s, size_t count)
-{
- gint64 end_time;
-
- g_mutex_lock(&s->data_mutex);
- end_time = g_get_monotonic_time() + 5 * G_TIME_SPAN_SECOND;
- while (ctpop64(s->rings) != count) {
- if (!g_cond_wait_until(&s->data_cond, &s->data_mutex, end_time)) {
- /* timeout has passed */
- g_assert_cmpint(ctpop64(s->rings), ==, count);
- break;
- }
- }
-
- g_mutex_unlock(&s->data_mutex);
-}
-
-static inline void test_server_connect(TestServer *server)
-{
- test_server_create_chr(server, ",reconnect=1");
-}
-
-static gboolean
-reconnect_cb(gpointer user_data)
-{
- TestServer *s = user_data;
-
- qemu_chr_fe_disconnect(&s->chr);
-
- return FALSE;
-}
-
-static gpointer
-connect_thread(gpointer data)
-{
- TestServer *s = data;
-
- /* wait for qemu to start before first try, to avoid extra warnings */
- g_usleep(G_USEC_PER_SEC);
- test_server_connect(s);
-
- return NULL;
-}
-
-static void test_reconnect_subprocess(void)
-{
- TestServer *s = test_server_new("reconnect");
- char *cmd;
-
- g_thread_new("connect", connect_thread, s);
- cmd = get_qemu_cmd(s, 2, TEST_MEMFD_AUTO, root, ",server", "");
- qtest_start(cmd);
- g_free(cmd);
-
- init_virtio_dev(s, 1u << VIRTIO_NET_F_MAC);
- wait_for_fds(s);
- wait_for_rings_started(s, 2);
-
- /* reconnect */
- s->fds_num = 0;
- s->rings = 0;
- g_idle_add(reconnect_cb, s);
- wait_for_fds(s);
- wait_for_rings_started(s, 2);
-
- uninit_virtio_dev(s);
-
- qtest_end();
- test_server_free(s);
- return;
-}
-
-static void test_reconnect(void)
-{
- gchar *path = g_strdup_printf("/%s/vhost-user/reconnect/subprocess",
- qtest_get_arch());
- g_test_trap_subprocess(path, 0, 0);
- g_test_trap_assert_passed();
- g_free(path);
-}
-
-static void test_connect_fail_subprocess(void)
-{
- TestServer *s = test_server_new("connect-fail");
- char *cmd;
-
- s->test_fail = true;
- g_thread_new("connect", connect_thread, s);
- cmd = get_qemu_cmd(s, 2, TEST_MEMFD_AUTO, root, ",server", "");
- qtest_start(cmd);
- g_free(cmd);
-
- init_virtio_dev(s, 1u << VIRTIO_NET_F_MAC);
- wait_for_fds(s);
- wait_for_rings_started(s, 2);
-
- uninit_virtio_dev(s);
-
- qtest_end();
- test_server_free(s);
-}
-
-static void test_connect_fail(void)
-{
- gchar *path = g_strdup_printf("/%s/vhost-user/connect-fail/subprocess",
- qtest_get_arch());
- g_test_trap_subprocess(path, 0, 0);
- g_test_trap_assert_passed();
- g_free(path);
-}
-
-static void test_flags_mismatch_subprocess(void)
-{
- TestServer *s = test_server_new("flags-mismatch");
- char *cmd;
-
- s->test_flags = TEST_FLAGS_DISCONNECT;
- g_thread_new("connect", connect_thread, s);
- cmd = get_qemu_cmd(s, 2, TEST_MEMFD_AUTO, root, ",server", "");
- qtest_start(cmd);
- g_free(cmd);
-
- init_virtio_dev(s, 1u << VIRTIO_NET_F_MAC);
- wait_for_fds(s);
- wait_for_rings_started(s, 2);
-
- uninit_virtio_dev(s);
-
- qtest_end();
- test_server_free(s);
-}
-
-static void test_flags_mismatch(void)
-{
- gchar *path = g_strdup_printf("/%s/vhost-user/flags-mismatch/subprocess",
- qtest_get_arch());
- g_test_trap_subprocess(path, 0, 0);
- g_test_trap_assert_passed();
- g_free(path);
-}
-
-
-static void test_multiqueue(void)
-{
- TestServer *s = test_server_new("mq");
- char *cmd;
- uint32_t features_mask = ~(QVIRTIO_F_BAD_FEATURE |
- (1u << VIRTIO_RING_F_INDIRECT_DESC) |
- (1u << VIRTIO_RING_F_EVENT_IDX));
- s->queues = 2;
- test_server_listen(s);
-
- if (qemu_memfd_check(0)) {
- cmd = g_strdup_printf(
- QEMU_CMD_MEMFD QEMU_CMD_CHR QEMU_CMD_NETDEV ",queues=%d "
- "-device virtio-net-pci,netdev=net0,mq=on,vectors=%d",
- 512, 512, s->chr_name,
- s->socket_path, "", s->chr_name,
- s->queues, s->queues * 2 + 2);
- } else {
- cmd = g_strdup_printf(
- QEMU_CMD_MEM QEMU_CMD_CHR QEMU_CMD_NETDEV ",queues=%d "
- "-device virtio-net-pci,netdev=net0,mq=on,vectors=%d",
- 512, 512, root, s->chr_name,
- s->socket_path, "", s->chr_name,
- s->queues, s->queues * 2 + 2);
- }
- qtest_start(cmd);
- g_free(cmd);
-
- init_virtio_dev(s, features_mask);
-
- wait_for_rings_started(s, s->queues * 2);
-
- uninit_virtio_dev(s);
-
- qtest_end();
-
- test_server_free(s);
-}
-
-int main(int argc, char **argv)
-{
- const char *hugefs;
- int ret;
- char template[] = "/tmp/vhost-test-XXXXXX";
- GMainLoop *loop;
- GThread *thread;
-
- g_test_init(&argc, &argv, NULL);
-
- module_call_init(MODULE_INIT_QOM);
- qemu_add_opts(&qemu_chardev_opts);
-
- tmpfs = mkdtemp(template);
- if (!tmpfs) {
- g_test_message("mkdtemp on path (%s): %s\n", template, strerror(errno));
- }
- g_assert(tmpfs);
-
- hugefs = getenv("QTEST_HUGETLBFS_PATH");
- if (hugefs) {
- root = init_hugepagefs(hugefs);
- g_assert(root);
- } else {
- root = tmpfs;
- }
-
- loop = g_main_loop_new(NULL, FALSE);
- /* run the main loop thread so the chardev may operate */
- thread = g_thread_new(NULL, thread_function, loop);
-
- if (qemu_memfd_check(0)) {
- qtest_add_data_func("/vhost-user/read-guest-mem/memfd",
- GINT_TO_POINTER(TEST_MEMFD_YES),
- test_read_guest_mem);
- }
- qtest_add_data_func("/vhost-user/read-guest-mem/memfile",
- GINT_TO_POINTER(TEST_MEMFD_NO), test_read_guest_mem);
- qtest_add_func("/vhost-user/migrate", test_migrate);
- qtest_add_func("/vhost-user/multiqueue", test_multiqueue);
-
- /* keeps failing on build-system since Aug 15 2017 */
- if (getenv("QTEST_VHOST_USER_FIXME")) {
- qtest_add_func("/vhost-user/reconnect/subprocess",
- test_reconnect_subprocess);
- qtest_add_func("/vhost-user/reconnect", test_reconnect);
- qtest_add_func("/vhost-user/connect-fail/subprocess",
- test_connect_fail_subprocess);
- qtest_add_func("/vhost-user/connect-fail", test_connect_fail);
- qtest_add_func("/vhost-user/flags-mismatch/subprocess",
- test_flags_mismatch_subprocess);
- qtest_add_func("/vhost-user/flags-mismatch", test_flags_mismatch);
- }
-
- ret = g_test_run();
-
- /* cleanup */
-
- /* finish the helper thread and dispatch pending sources */
- g_main_loop_quit(loop);
- g_thread_join(thread);
- while (g_main_context_pending(NULL)) {
- g_main_context_iteration (NULL, TRUE);
- }
- g_main_loop_unref(loop);
-
- ret = rmdir(tmpfs);
- if (ret != 0) {
- g_test_message("unable to rmdir: path (%s): %s\n",
- tmpfs, strerror(errno));
- }
- g_assert_cmpint(ret, ==, 0);
-
- return ret;
-}
projects / mirror_qemu.git / blobdiff