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Merge tpm 2018/06/06 v1

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Merge remote-tracking branch 'remotes/stefanberger/tags/pull-tpm-2018-06-06-1' into staging

Merge tpm 2018/06/06 v1

# gpg: Signature made Wed 06 Jun 2018 20:48:33 BST
# gpg:                using RSA key 75AD65802A0B4211
# gpg: Good signature from "Stefan Berger <stefanb@linux.vnet.ibm.com>"
# gpg: WARNING: This key is not certified with a trusted signature!
# gpg:          There is no indication that the signature belongs to the owner.
# Primary key fingerprint: B818 B9CA DF90 89C2 D5CE  C66B 75AD 6580 2A0B 4211

* remotes/stefanberger/tags/pull-tpm-2018-06-06-1:
  test: Add swtpm migration test for the TPM TIS interface
  test: Pass TPM interface model to functions creating command line
  test: Move common TPM test functions to tpm-tests.c
  test: Move reusable code from tpm-crb-swtpm-test.c to tpm-util.c

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
This commit is contained in:
Peter Maydell 2018-06-07 09:55:42 +01:00
commit 8e36d27c5a
7 changed files with 379 additions and 186 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

5
tests/Makefile.include
View File

@ -299,6 +299,7 @@ check-qtest-x86_64-$(CONFIG_VHOST_USER_NET_TEST_x86_64) += tests/vhost-user-test
endif
check-qtest-i386-$(CONFIG_TPM) += tests/tpm-crb-swtpm-test$(EXESUF)
check-qtest-i386-$(CONFIG_TPM) += tests/tpm-crb-test$(EXESUF)
check-qtest-i386-$(CONFIG_TPM) += tests/tpm-tis-swtpm-test$(EXESUF)
check-qtest-i386-$(CONFIG_TPM) += tests/tpm-tis-test$(EXESUF)
check-qtest-i386-$(CONFIG_SLIRP) += tests/test-netfilter$(EXESUF)
check-qtest-i386-$(CONFIG_POSIX) += tests/test-filter-mirror$(EXESUF)
@ -724,8 +725,10 @@ tests/test-io-task$(EXESUF): tests/test-io-task.o $(test-io-obj-y)
tests/test-io-channel-socket$(EXESUF): tests/test-io-channel-socket.o \
tests/io-channel-helpers.o tests/socket-helpers.o $(test-io-obj-y)
tests/tpm-crb-swtpm-test$(EXESUF): tests/tpm-crb-swtpm-test.o tests/tpm-emu.o \
tests/tpm-util.o $(test-io-obj-y)
tests/tpm-util.o tests/tpm-tests.o $(test-io-obj-y)
tests/tpm-crb-test$(EXESUF): tests/tpm-crb-test.o tests/tpm-emu.o $(test-io-obj-y)
tests/tpm-tis-swtpm-test$(EXESUF): tests/tpm-tis-swtpm-test.o tests/tpm-emu.o \
tests/tpm-util.o tests/tpm-tests.o $(test-io-obj-y)
tests/tpm-tis-test$(EXESUF): tests/tpm-tis-test.o tests/tpm-emu.o $(test-io-obj-y)
tests/test-io-channel-file$(EXESUF): tests/test-io-channel-file.o \
tests/io-channel-helpers.o $(test-io-obj-y)

189
tests/tpm-crb-swtpm-test.c
View File

@ -15,12 +15,8 @@
#include "qemu/osdep.h"
#include <glib/gstdio.h>
#include "hw/acpi/tpm.h"
#include "io/channel-socket.h"
#include "libqtest.h"
#include "tpm-util.h"
#include "sysemu/tpm.h"
#include "qapi/qmp/qdict.h"
#include "tpm-tests.h"
typedef struct TestState {
char *src_tpm_path;
@ -28,196 +24,19 @@ typedef struct TestState {
char *uri;
} TestState;
bool got_stop;
static void migrate(QTestState *who, const char *uri)
{
QDict *rsp;
gchar *cmd;
cmd = g_strdup_printf("{ 'execute': 'migrate',"
"'arguments': { 'uri': '%s' } }",
uri);
rsp = qtest_qmp(who, cmd);
g_free(cmd);
g_assert(qdict_haskey(rsp, "return"));
qobject_unref(rsp);
}
/*
* Events can get in the way of responses we are actually waiting for.
*/
static QDict *wait_command(QTestState *who, const char *command)
{
const char *event_string;
QDict *response;
response = qtest_qmp(who, command);
while (qdict_haskey(response, "event")) {
/* OK, it was an event */
event_string = qdict_get_str(response, "event");
if (!strcmp(event_string, "STOP")) {
got_stop = true;
}
qobject_unref(response);
response = qtest_qmp_receive(who);
}
return response;
}
static void wait_for_migration_complete(QTestState *who)
{
while (true) {
QDict *rsp, *rsp_return;
bool completed;
const char *status;
rsp = wait_command(who, "{ 'execute': 'query-migrate' }");
rsp_return = qdict_get_qdict(rsp, "return");
status = qdict_get_str(rsp_return, "status");
completed = strcmp(status, "completed") == 0;
g_assert_cmpstr(status, !=, "failed");
qobject_unref(rsp);
if (completed) {
return;
}
usleep(1000);
}
}
static void migration_start_qemu(QTestState **src_qemu, QTestState **dst_qemu,
SocketAddress *src_tpm_addr,
SocketAddress *dst_tpm_addr,
const char *miguri)
{
char *src_qemu_args, *dst_qemu_args;
src_qemu_args = g_strdup_printf(
"-chardev socket,id=chr,path=%s "
"-tpmdev emulator,id=dev,chardev=chr "
"-device tpm-crb,tpmdev=dev ",
src_tpm_addr->u.q_unix.path);
*src_qemu = qtest_init(src_qemu_args);
dst_qemu_args = g_strdup_printf(
"-chardev socket,id=chr,path=%s "
"-tpmdev emulator,id=dev,chardev=chr "
"-device tpm-crb,tpmdev=dev "
"-incoming %s",
dst_tpm_addr->u.q_unix.path,
miguri);
*dst_qemu = qtest_init(dst_qemu_args);
free(src_qemu_args);
free(dst_qemu_args);
}
static void tpm_crb_swtpm_test(const void *data)
{
char *args = NULL;
QTestState *s;
SocketAddress *addr = NULL;
gboolean succ;
GPid swtpm_pid;
GError *error = NULL;
const TestState *ts = data;
succ = tpm_util_swtpm_start(ts->src_tpm_path, &swtpm_pid, &addr, &error);
/* succ may be false if swtpm is not available */
if (!succ) {
return;
}
args = g_strdup_printf(
"-chardev socket,id=chr,path=%s "
"-tpmdev emulator,id=dev,chardev=chr "
"-device tpm-crb,tpmdev=dev",
addr->u.q_unix.path);
s = qtest_start(args);
g_free(args);
tpm_util_startup(s, tpm_util_crb_transfer);
tpm_util_pcrextend(s, tpm_util_crb_transfer);
unsigned char tpm_pcrread_resp[] =
"\x80\x01\x00\x00\x00\x3e\x00\x00\x00\x00\x00\x00\x00\x16\x00\x00"
"\x00\x01\x00\x0b\x03\x00\x04\x00\x00\x00\x00\x01\x00\x20\xf6\x85"
"\x98\xe5\x86\x8d\xe6\x8b\x97\x29\x99\x60\xf2\x71\x7d\x17\x67\x89"
"\xa4\x2f\x9a\xae\xa8\xc7\xb7\xaa\x79\xa8\x62\x56\xc1\xde";
tpm_util_pcrread(s, tpm_util_crb_transfer, tpm_pcrread_resp,
sizeof(tpm_pcrread_resp));
qtest_end();
tpm_util_swtpm_kill(swtpm_pid);
if (addr) {
g_unlink(addr->u.q_unix.path);
qapi_free_SocketAddress(addr);
}
tpm_test_swtpm_test(ts->src_tpm_path, tpm_util_crb_transfer, "tpm-crb");
}
static void tpm_crb_swtpm_migration_test(const void *data)
{
const TestState *ts = data;
gboolean succ;
GPid src_tpm_pid, dst_tpm_pid;
SocketAddress *src_tpm_addr = NULL, *dst_tpm_addr = NULL;
GError *error = NULL;
QTestState *src_qemu, *dst_qemu;
succ = tpm_util_swtpm_start(ts->src_tpm_path, &src_tpm_pid,
&src_tpm_addr, &error);
/* succ may be false if swtpm is not available */
if (!succ) {
return;
}
succ = tpm_util_swtpm_start(ts->dst_tpm_path, &dst_tpm_pid,
&dst_tpm_addr, &error);
/* succ may be false if swtpm is not available */
if (!succ) {
goto err_src_tpm_kill;
}
migration_start_qemu(&src_qemu, &dst_qemu, src_tpm_addr, dst_tpm_addr,
ts->uri);
tpm_util_startup(src_qemu, tpm_util_crb_transfer);
tpm_util_pcrextend(src_qemu, tpm_util_crb_transfer);
unsigned char tpm_pcrread_resp[] =
"\x80\x01\x00\x00\x00\x3e\x00\x00\x00\x00\x00\x00\x00\x16\x00\x00"
"\x00\x01\x00\x0b\x03\x00\x04\x00\x00\x00\x00\x01\x00\x20\xf6\x85"
"\x98\xe5\x86\x8d\xe6\x8b\x97\x29\x99\x60\xf2\x71\x7d\x17\x67\x89"
"\xa4\x2f\x9a\xae\xa8\xc7\xb7\xaa\x79\xa8\x62\x56\xc1\xde";
tpm_util_pcrread(src_qemu, tpm_util_crb_transfer, tpm_pcrread_resp,
sizeof(tpm_pcrread_resp));
migrate(src_qemu, ts->uri);
wait_for_migration_complete(src_qemu);
tpm_util_pcrread(dst_qemu, tpm_util_crb_transfer, tpm_pcrread_resp,
sizeof(tpm_pcrread_resp));
qtest_quit(dst_qemu);
qtest_quit(src_qemu);
tpm_util_swtpm_kill(dst_tpm_pid);
if (dst_tpm_addr) {
g_unlink(dst_tpm_addr->u.q_unix.path);
qapi_free_SocketAddress(dst_tpm_addr);
}
err_src_tpm_kill:
tpm_util_swtpm_kill(src_tpm_pid);
if (src_tpm_addr) {
g_unlink(src_tpm_addr->u.q_unix.path);
qapi_free_SocketAddress(src_tpm_addr);
}
tpm_test_swtpm_migration_test(ts->src_tpm_path, ts->dst_tpm_path, ts->uri,
tpm_util_crb_transfer, "tpm-crb");
}
int main(int argc, char **argv)

127
tests/tpm-tests.c Normal file
View File

@ -0,0 +1,127 @@
/*
* QTest TPM commont test code
*
* Copyright (c) 2018 IBM Corporation
* Copyright (c) 2018 Red Hat, Inc.
*
* Authors:
* Stefan Berger <stefanb@linux.vnet.ibm.com>
* Marc-André Lureau <marcandre.lureau@redhat.com>
*
* 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 <glib/gstdio.h>
#include "libqtest.h"
#include "tpm-tests.h"
void tpm_test_swtpm_test(const char *src_tpm_path, tx_func *tx,
const char *ifmodel)
{
char *args = NULL;
QTestState *s;
SocketAddress *addr = NULL;
gboolean succ;
GPid swtpm_pid;
GError *error = NULL;
succ = tpm_util_swtpm_start(src_tpm_path, &swtpm_pid, &addr, &error);
/* succ may be false if swtpm is not available */
if (!succ) {
return;
}
args = g_strdup_printf(
"-chardev socket,id=chr,path=%s "
"-tpmdev emulator,id=dev,chardev=chr "
"-device %s,tpmdev=dev",
addr->u.q_unix.path, ifmodel);
s = qtest_start(args);
g_free(args);
tpm_util_startup(s, tx);
tpm_util_pcrextend(s, tx);
unsigned char tpm_pcrread_resp[] =
"\x80\x01\x00\x00\x00\x3e\x00\x00\x00\x00\x00\x00\x00\x16\x00\x00"
"\x00\x01\x00\x0b\x03\x00\x04\x00\x00\x00\x00\x01\x00\x20\xf6\x85"
"\x98\xe5\x86\x8d\xe6\x8b\x97\x29\x99\x60\xf2\x71\x7d\x17\x67\x89"
"\xa4\x2f\x9a\xae\xa8\xc7\xb7\xaa\x79\xa8\x62\x56\xc1\xde";
tpm_util_pcrread(s, tx, tpm_pcrread_resp,
sizeof(tpm_pcrread_resp));
qtest_end();
tpm_util_swtpm_kill(swtpm_pid);
if (addr) {
g_unlink(addr->u.q_unix.path);
qapi_free_SocketAddress(addr);
}
}
void tpm_test_swtpm_migration_test(const char *src_tpm_path,
const char *dst_tpm_path,
const char *uri, tx_func *tx,
const char *ifmodel)
{
gboolean succ;
GPid src_tpm_pid, dst_tpm_pid;
SocketAddress *src_tpm_addr = NULL, *dst_tpm_addr = NULL;
GError *error = NULL;
QTestState *src_qemu, *dst_qemu;
succ = tpm_util_swtpm_start(src_tpm_path, &src_tpm_pid,
&src_tpm_addr, &error);
/* succ may be false if swtpm is not available */
if (!succ) {
return;
}
succ = tpm_util_swtpm_start(dst_tpm_path, &dst_tpm_pid,
&dst_tpm_addr, &error);
/* succ may be false if swtpm is not available */
if (!succ) {
goto err_src_tpm_kill;
}
tpm_util_migration_start_qemu(&src_qemu, &dst_qemu,
src_tpm_addr, dst_tpm_addr, uri,
ifmodel);
tpm_util_startup(src_qemu, tx);
tpm_util_pcrextend(src_qemu, tx);
unsigned char tpm_pcrread_resp[] =
"\x80\x01\x00\x00\x00\x3e\x00\x00\x00\x00\x00\x00\x00\x16\x00\x00"
"\x00\x01\x00\x0b\x03\x00\x04\x00\x00\x00\x00\x01\x00\x20\xf6\x85"
"\x98\xe5\x86\x8d\xe6\x8b\x97\x29\x99\x60\xf2\x71\x7d\x17\x67\x89"
"\xa4\x2f\x9a\xae\xa8\xc7\xb7\xaa\x79\xa8\x62\x56\xc1\xde";
tpm_util_pcrread(src_qemu, tx, tpm_pcrread_resp,
sizeof(tpm_pcrread_resp));
tpm_util_migrate(src_qemu, uri);
tpm_util_wait_for_migration_complete(src_qemu);
tpm_util_pcrread(dst_qemu, tx, tpm_pcrread_resp,
sizeof(tpm_pcrread_resp));
qtest_quit(dst_qemu);
qtest_quit(src_qemu);
tpm_util_swtpm_kill(dst_tpm_pid);
if (dst_tpm_addr) {
g_unlink(dst_tpm_addr->u.q_unix.path);
qapi_free_SocketAddress(dst_tpm_addr);
}
err_src_tpm_kill:
tpm_util_swtpm_kill(src_tpm_pid);
if (src_tpm_addr) {
g_unlink(src_tpm_addr->u.q_unix.path);
qapi_free_SocketAddress(src_tpm_addr);
}
}

26
tests/tpm-tests.h Normal file
View File

@ -0,0 +1,26 @@
/*
* QTest TPM commont test code
*
* Copyright (c) 2018 IBM Corporation
*
* Authors:
* Stefan Berger <stefanb@linux.vnet.ibm.com>
*
* This work is licensed under the terms of the GNU GPL, version 2 or later.
* See the COPYING file in the top-level directory.
*/
#ifndef TESTS_TPM_TESTS_H
#define TESTS_TPM_TESTS_H
#include "tpm-util.h"
void tpm_test_swtpm_test(const char *src_tpm_path, tx_func *tx,
const char *ifmodel);
void tpm_test_swtpm_migration_test(const char *src_tpm_path,
const char *dst_tpm_path,
const char *uri, tx_func *tx,
const char *ifmodel);
#endif /* TESTS_TPM_TESTS_H */

66
tests/tpm-tis-swtpm-test.c Normal file
View File

@ -0,0 +1,66 @@
/*
* QTest testcase for TPM TIS talking to external swtpm and swtpm migration
*
* Copyright (c) 2018 IBM Corporation
* with parts borrowed from migration-test.c that is:
* Copyright (c) 2016-2018 Red Hat, Inc. and/or its affiliates
*
* Authors:
* Stefan Berger <stefanb@linux.vnet.ibm.com>
*
* 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 <glib/gstdio.h>
#include "libqtest.h"
#include "tpm-tests.h"
typedef struct TestState {
char *src_tpm_path;
char *dst_tpm_path;
char *uri;
} TestState;
static void tpm_tis_swtpm_test(const void *data)
{
const TestState *ts = data;
tpm_test_swtpm_test(ts->src_tpm_path, tpm_util_tis_transfer, "tpm-tis");
}
static void tpm_tis_swtpm_migration_test(const void *data)
{
const TestState *ts = data;
tpm_test_swtpm_migration_test(ts->src_tpm_path, ts->dst_tpm_path, ts->uri,
tpm_util_tis_transfer, "tpm-tis");
}
int main(int argc, char **argv)
{
int ret;
TestState ts = { 0 };
ts.src_tpm_path = g_dir_make_tmp("qemu-tpm-tis-swtpm-test.XXXXXX", NULL);
ts.dst_tpm_path = g_dir_make_tmp("qemu-tpm-tis-swtpm-test.XXXXXX", NULL);
ts.uri = g_strdup_printf("unix:%s/migsocket", ts.src_tpm_path);
module_call_init(MODULE_INIT_QOM);
g_test_init(&argc, &argv, NULL);
qtest_add_data_func("/tpm/tis-swtpm/test", &ts, tpm_tis_swtpm_test);
qtest_add_data_func("/tpm/tis-swtpm-migration/test", &ts,
tpm_tis_swtpm_migration_test);
ret = g_test_run();
g_rmdir(ts.dst_tpm_path);
g_free(ts.dst_tpm_path);
g_rmdir(ts.src_tpm_path);
g_free(ts.src_tpm_path);
g_free(ts.uri);
return ret;
}

138
tests/tpm-util.c
View File

@ -17,6 +17,12 @@
#include "hw/acpi/tpm.h"
#include "libqtest.h"
#include "tpm-util.h"
#include "qapi/qmp/qdict.h"
#define TIS_REG(LOCTY, REG) \
(TPM_TIS_ADDR_BASE + ((LOCTY) << 12) + REG)
static bool got_stop;
void tpm_util_crb_transfer(QTestState *s,
const unsigned char *req, size_t req_size,
@ -49,6 +55,51 @@ void tpm_util_crb_transfer(QTestState *s,
qtest_memread(s, raddr, rsp, rsp_size);
}
void tpm_util_tis_transfer(QTestState *s,
const unsigned char *req, size_t req_size,
unsigned char *rsp, size_t rsp_size)
{
uint32_t sts;
uint16_t bcount;
size_t i;
/* request use of locality 0 */
qtest_writeb(s, TIS_REG(0, TPM_TIS_REG_ACCESS), TPM_TIS_ACCESS_REQUEST_USE);
qtest_writel(s, TIS_REG(0, TPM_TIS_REG_STS), TPM_TIS_STS_COMMAND_READY);
sts = qtest_readl(s, TIS_REG(0, TPM_TIS_REG_STS));
bcount = (sts >> 8) & 0xffff;
g_assert_cmpint(bcount, >=, req_size);
/* transmit command */
for (i = 0; i < req_size; i++) {
qtest_writeb(s, TIS_REG(0, TPM_TIS_REG_DATA_FIFO), req[i]);
}
/* start processing */
qtest_writeb(s, TIS_REG(0, TPM_TIS_REG_STS), TPM_TIS_STS_TPM_GO);
uint64_t end_time = g_get_monotonic_time() + 50 * G_TIME_SPAN_SECOND;
do {
sts = qtest_readl(s, TIS_REG(0, TPM_TIS_REG_STS));
if ((sts & TPM_TIS_STS_DATA_AVAILABLE) != 0) {
break;
}
} while (g_get_monotonic_time() < end_time);
sts = qtest_readl(s, TIS_REG(0, TPM_TIS_REG_STS));
bcount = (sts >> 8) & 0xffff;
memset(rsp, 0, rsp_size);
for (i = 0; i < bcount; i++) {
rsp[i] = qtest_readb(s, TIS_REG(0, TPM_TIS_REG_DATA_FIFO));
}
/* relinquish use of locality 0 */
qtest_writeb(s, TIS_REG(0, TPM_TIS_REG_ACCESS),
TPM_TIS_ACCESS_ACTIVE_LOCALITY);
}
void tpm_util_startup(QTestState *s, tx_func *tx)
{
unsigned char buffer[1024];
@ -184,3 +235,90 @@ void tpm_util_swtpm_kill(GPid pid)
kill(pid, SIGKILL);
}
void tpm_util_migrate(QTestState *who, const char *uri)
{
QDict *rsp;
gchar *cmd;
cmd = g_strdup_printf("{ 'execute': 'migrate',"
"'arguments': { 'uri': '%s' } }",
uri);
rsp = qtest_qmp(who, cmd);
g_free(cmd);
g_assert(qdict_haskey(rsp, "return"));
qobject_unref(rsp);
}
/*
* Events can get in the way of responses we are actually waiting for.
*/
static QDict *tpm_util_wait_command(QTestState *who, const char *command)
{
const char *event_string;
QDict *response;
response = qtest_qmp(who, command);
while (qdict_haskey(response, "event")) {
/* OK, it was an event */
event_string = qdict_get_str(response, "event");
if (!strcmp(event_string, "STOP")) {
got_stop = true;
}
qobject_unref(response);
response = qtest_qmp_receive(who);
}
return response;
}
void tpm_util_wait_for_migration_complete(QTestState *who)
{
while (true) {
QDict *rsp, *rsp_return;
bool completed;
const char *status;
rsp = tpm_util_wait_command(who, "{ 'execute': 'query-migrate' }");
rsp_return = qdict_get_qdict(rsp, "return");
status = qdict_get_str(rsp_return, "status");
completed = strcmp(status, "completed") == 0;
g_assert_cmpstr(status, !=, "failed");
qobject_unref(rsp);
if (completed) {
return;
}
usleep(1000);
}
}
void tpm_util_migration_start_qemu(QTestState **src_qemu,
QTestState **dst_qemu,
SocketAddress *src_tpm_addr,
SocketAddress *dst_tpm_addr,
const char *miguri,
const char *ifmodel)
{
char *src_qemu_args, *dst_qemu_args;
src_qemu_args = g_strdup_printf(
"-chardev socket,id=chr,path=%s "
"-tpmdev emulator,id=dev,chardev=chr "
"-device %s,tpmdev=dev ",
src_tpm_addr->u.q_unix.path, ifmodel);
*src_qemu = qtest_init(src_qemu_args);
dst_qemu_args = g_strdup_printf(
"-chardev socket,id=chr,path=%s "
"-tpmdev emulator,id=dev,chardev=chr "
"-device %s,tpmdev=dev "
"-incoming %s",
dst_tpm_addr->u.q_unix.path,
ifmodel, miguri);
*dst_qemu = qtest_init(dst_qemu_args);
free(src_qemu_args);
free(dst_qemu_args);
}

14
tests/tpm-util.h
View File

@ -23,6 +23,9 @@ typedef void (tx_func)(QTestState *s,
void tpm_util_crb_transfer(QTestState *s,
const unsigned char *req, size_t req_size,
unsigned char *rsp, size_t rsp_size);
void tpm_util_tis_transfer(QTestState *s,
const unsigned char *req, size_t req_size,
unsigned char *rsp, size_t rsp_size);
void tpm_util_startup(QTestState *s, tx_func *tx);
void tpm_util_pcrextend(QTestState *s, tx_func *tx);
@ -33,4 +36,15 @@ gboolean tpm_util_swtpm_start(const char *path, GPid *pid,
SocketAddress **addr, GError **error);
void tpm_util_swtpm_kill(GPid pid);
void tpm_util_migrate(QTestState *who, const char *uri);
void tpm_util_migration_start_qemu(QTestState **src_qemu,
QTestState **dst_qemu,
SocketAddress *src_tpm_addr,
SocketAddress *dst_tpm_addr,
const char *miguri,
const char *ifmodel);
void tpm_util_wait_for_migration_complete(QTestState *who);
#endif /* TESTS_TPM_UTIL_H */