Hi Stefan, On 7/12/21 10:47 PM, Stefan Berger wrote: > Use QMP to check whether a given TPM device model is available > and if it is not the case then skip a test that requires it. > > Signed-off-by: Stefan Berger <stef...@linux.ibm.com> > --- > tests/qtest/bios-tables-test.c | 14 +++++++------ > tests/qtest/tpm-emu.c | 37 ++++++++++++++++++++++++++++++++++ > tests/qtest/tpm-emu.h | 2 ++ > 3 files changed, 47 insertions(+), 6 deletions(-) > > diff --git a/tests/qtest/bios-tables-test.c b/tests/qtest/bios-tables-test.c > index ddfd2d2b2a..64add7da72 100644 > --- a/tests/qtest/bios-tables-test.c > +++ b/tests/qtest/bios-tables-test.c > @@ -1094,7 +1094,6 @@ uint64_t tpm_tis_base_addr; > static void test_acpi_tcg_tpm(const char *machine, const char *tpm_if, > uint64_t base, enum TPMVersion tpm_version) > { > -#ifdef CONFIG_TPM > gchar *tmp_dir_name = g_strdup_printf("qemu-test_acpi_%s_tcg_%s.XXXXXX", > machine, tpm_if); > char *tmp_path = g_dir_make_tmp(tmp_dir_name, NULL); > @@ -1140,19 +1139,22 @@ static void test_acpi_tcg_tpm(const char *machine, > const char *tpm_if, > g_free(tmp_dir_name); > g_free(args); > free_test_data(&data); > -#else > - g_test_skip("TPM disabled"); > -#endif > } > > static void test_acpi_q35_tcg_tpm2_tis(void) > { > - test_acpi_tcg_tpm("q35", "tis", 0xFED40000, TPM_VERSION_2_0); > + if (!tpm_model_is_available("-machine q35", "tpm-tis"))
Style requires { } > + g_test_skip("TPM disabled"); > + else > + test_acpi_tcg_tpm("q35", "tis", 0xFED40000, TPM_VERSION_2_0); > } > > static void test_acpi_q35_tcg_tpm12_tis(void) > { > - test_acpi_tcg_tpm("q35", "tis", 0xFED40000, TPM_VERSION_1_2); Can you call this once in main() (before registering the tests) and place this patch before patch #8 "tests: acpi: Add test cases for TPM 1.2 with TCPA table" of this series? Otherwise looks good (beside the unref you already mentioned). > + if (!tpm_model_is_available("-machine q35", "tpm-tis")) > + g_test_skip("TPM disabled"); > + else > + test_acpi_tcg_tpm("q35", "tis", 0xFED40000, TPM_VERSION_1_2); > } > > static void test_acpi_tcg_dimm_pxm(const char *machine) > diff --git a/tests/qtest/tpm-emu.c b/tests/qtest/tpm-emu.c > index 32c704194b..553f1ad4ee 100644 > --- a/tests/qtest/tpm-emu.c > +++ b/tests/qtest/tpm-emu.c > @@ -16,6 +16,8 @@ > #include "backends/tpm/tpm_ioctl.h" > #include "io/channel-socket.h" > #include "qapi/error.h" > +#include "qapi/qmp/qlist.h" > +#include "qapi/qmp/qstring.h" > #include "tpm-emu.h" > > void tpm_emu_test_wait_cond(TPMTestState *s) > @@ -192,3 +194,38 @@ void *tpm_emu_ctrl_thread(void *data) > object_unref(OBJECT(lioc)); > return NULL; > } > + > +bool tpm_model_is_available(const char *args, const char *tpm_if) > +{ > + QTestState *qts; > + QDict *rsp_tpm; > + bool ret = false; > + > + qts = qtest_init(args); > + if (!qts) > + return false; > + > + rsp_tpm = qtest_qmp(qts, "{ 'execute': 'query-tpm'}"); > + if (!qdict_haskey(rsp_tpm, "error")) { > + QDict *rsp_models = qtest_qmp(qts, > + "{ 'execute': 'query-tpm-models'}"); > + if (qdict_haskey(rsp_models, "return")) { > + QList *models = qdict_get_qlist(rsp_models, "return"); > + QListEntry *e; > + > + QLIST_FOREACH_ENTRY(models, e) { > + QString *s = qobject_to(QString, qlist_entry_obj(e)); > + const char *ename = qstring_get_str(s); > + if (!strcmp(ename, tpm_if)) { > + ret = true; > + } > + } > + qobject_unref(models); > + } > + qobject_unref(rsp_models); > + } > + qobject_unref(rsp_tpm); > + qtest_quit(qts); > + > + return ret; > +}