static void test_ivshmem_server(bool msi)
{
IVState state1, state2, *s1, *s2;
ServerThread thread;
IvshmemServer server;
int ret, vm1, vm2;
int nvectors = 2;
guint64 end_time = g_get_monotonic_time() + 5 * G_TIME_SPAN_SECOND;
ret = ivshmem_server_init(&server, tmpserver, tmpshm, true,
TMPSHMSIZE, nvectors,
g_test_verbose());
g_assert_cmpint(ret, ==, 0);
ret = ivshmem_server_start(&server);
g_assert_cmpint(ret, ==, 0);
thread.server = &server;
ret = pipe(thread.pipe);
g_assert_cmpint(ret, ==, 0);
thread.thread = g_thread_new("ivshmem-server", server_thread, &thread);
g_assert(thread.thread != NULL);
setup_vm_with_server(&state1, nvectors, msi);
s1 = &state1;
setup_vm_with_server(&state2, nvectors, msi);
s2 = &state2;
/* check got different VM ids */
vm1 = in_reg(s1, IVPOSITION);
vm2 = in_reg(s2, IVPOSITION);
g_assert_cmpint(vm1, >=, 0);
g_assert_cmpint(vm2, >=, 0);
g_assert_cmpint(vm1, !=, vm2);
/* check number of MSI-X vectors */
global_qtest = s1->qs->qts;
if (msi) {
ret = qpci_msix_table_size(s1->dev);
g_assert_cmpuint(ret, ==, nvectors);
}
/* TODO test behavior before MSI-X is enabled */
/* ping vm2 -> vm1 on vector 0 */
if (msi) {
ret = qpci_msix_pending(s1->dev, 0);
g_assert_cmpuint(ret, ==, 0);
} else {
static void test_ivshmem_server(void)
{
IVState state1, state2, *s1, *s2;
ServerThread thread;
IvshmemServer server;
int ret, vm1, vm2;
int nvectors = 2;
guint64 end_time = g_get_monotonic_time() + 5 * G_TIME_SPAN_SECOND;
ret = ivshmem_server_init(&server, tmpserver, tmpshm, true,
TMPSHMSIZE, nvectors,
g_test_verbose());
g_assert_cmpint(ret, ==, 0);
ret = ivshmem_server_start(&server);
g_assert_cmpint(ret, ==, 0);
thread.server = &server;
ret = pipe(thread.pipe);
g_assert_cmpint(ret, ==, 0);
thread.thread = g_thread_new("ivshmem-server", server_thread, &thread);
g_assert(thread.thread != NULL);
setup_vm_with_server(&state1, nvectors);
s1 = &state1;
setup_vm_with_server(&state2, nvectors);
s2 = &state2;
/* check got different VM ids */
vm1 = in_reg(s1, IVPOSITION);
vm2 = in_reg(s2, IVPOSITION);
g_assert_cmpint(vm1, >=, 0);
g_assert_cmpint(vm2, >=, 0);
g_assert_cmpint(vm1, !=, vm2);
/* check number of MSI-X vectors */
ret = qpci_msix_table_size(s1->dev);
g_assert_cmpuint(ret, ==, nvectors);
/* TODO test behavior before MSI-X is enabled */
/* ping vm2 -> vm1 on vector 0 */
ret = qpci_msix_pending(s1->dev, 0);
g_assert_cmpuint(ret, ==, 0);
out_reg(s2, DOORBELL, vm1 << 16);
do {
g_usleep(10000);
ret = qpci_msix_pending(s1->dev, 0);
} while (ret == 0 && g_get_monotonic_time() < end_time);
g_assert_cmpuint(ret, !=, 0);
/* ping vm1 -> vm2 on vector 1 */
ret = qpci_msix_pending(s2->dev, 1);
g_assert_cmpuint(ret, ==, 0);
out_reg(s1, DOORBELL, vm2 << 16 | 1);
do {
g_usleep(10000);
ret = qpci_msix_pending(s2->dev, 1);
} while (ret == 0 && g_get_monotonic_time() < end_time);
g_assert_cmpuint(ret, !=, 0);
cleanup_vm(s2);
cleanup_vm(s1);
if (qemu_write_full(thread.pipe[1], "q", 1) != 1) {
g_error("qemu_write_full: %s", g_strerror(errno));
}
g_thread_join(thread.thread);
ivshmem_server_close(&server);
close(thread.pipe[1]);
close(thread.pipe[0]);
}
