Re: [PATCH v2 4/5] bios-tables-test: Add Q35/TPM-TIS test

[Stefan Berger <stefanb@linux.ibm.com>]

On 6/9/20 8:54 AM, Eric Auger wrote:
> Test tables specific to the TPM-TIS instantiation.
> The TPM2 is added in the framework. Also the DSDT
> is updated with the TPM. The new function should be
> be usable for CRB as well, later one.
>
> Signed-off-by: Eric Auger <eric.auger@redhat.com>

Reviewed-by: Stefan Berger <stefanb@linux.ibm.com>


>
> ---
>
> v2 -> v3:
> - use test_acpi_tcg_tpm() helper and stick to the current
>    qtest_add_func model
> - hardcode TPM_TIS_ADDR_BASE
> ---
>   tests/qtest/bios-tables-test.c | 58 ++++++++++++++++++++++++++++++++++
>   tests/qtest/Makefile.include   |  1 +
>   2 files changed, 59 insertions(+)
>
> diff --git a/tests/qtest/bios-tables-test.c b/tests/qtest/bios-tables-test.c
> index c9843829b3..53f104a9c5 100644
> --- a/tests/qtest/bios-tables-test.c
> +++ b/tests/qtest/bios-tables-test.c
> @@ -57,6 +57,9 @@
>   #include "qemu/bitmap.h"
>   #include "acpi-utils.h"
>   #include "boot-sector.h"
> +#include "tpm-emu.h"
> +#include "hw/acpi/tpm.h"
> +
>   
>   #define MACHINE_PC "pc"
>   #define MACHINE_Q35 "q35"
> @@ -874,6 +877,60 @@ static void test_acpi_piix4_tcg_numamem(void)
>       free_test_data(&data);
>   }
>   
> +uint64_t tpm_tis_base_addr;
> +
> +static void test_acpi_tcg_tpm(const char *machine, const char *tpm_if,
> +                              uint64_t base)
> +{
> +    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);
> +    TestState test;
> +    test_data data;
> +    GThread *thread;
> +    char *args, *variant = g_strdup_printf(".%s", tpm_if);
> +
> +    tpm_tis_base_addr = base;
> +
> +    module_call_init(MODULE_INIT_QOM);
> +
> +    test.addr = g_new0(SocketAddress, 1);
> +    test.addr->type = SOCKET_ADDRESS_TYPE_UNIX;
> +    test.addr->u.q_unix.path = g_build_filename(tmp_path, "sock", NULL);
> +    g_mutex_init(&test.data_mutex);
> +    g_cond_init(&test.data_cond);
> +    test.data_cond_signal = false;
> +
> +    thread = g_thread_new(NULL, tpm_emu_ctrl_thread, &test);
> +    tpm_emu_test_wait_cond(&test);
> +
> +    memset(&data, 0, sizeof(data));
> +    data.machine = machine;
> +    data.variant = variant;
> +
> +    args = g_strdup_printf(
> +        " -chardev socket,id=chr,path=%s"
> +        " -tpmdev emulator,id=dev,chardev=chr"
> +        " -device tpm-%s,tpmdev=dev",
> +        test.addr->u.q_unix.path, tpm_if);
> +
> +    test_acpi_one(args, &data);
> +
> +    g_thread_join(thread);
> +    g_unlink(test.addr->u.q_unix.path);
> +    qapi_free_SocketAddress(test.addr);
> +    g_rmdir(tmp_path);
> +    g_free(variant);
> +    g_free(tmp_path);
> +    g_free(tmp_dir_name);
> +    free_test_data(&data);
> +}
> +
> +static void test_acpi_q35_tcg_tpm_tis(void)
> +{
> +    test_acpi_tcg_tpm("q35", "tis", 0xFED40000);
> +}
> +
>   static void test_acpi_tcg_dimm_pxm(const char *machine)
>   {
>       test_data data;
> @@ -1037,6 +1094,7 @@ int main(int argc, char *argv[])
>               return ret;
>           }
>   
> +        qtest_add_func("acpi/q35/tpm-tis", test_acpi_q35_tcg_tpm_tis);
>           qtest_add_func("acpi/piix4", test_acpi_piix4_tcg);
>           qtest_add_func("acpi/piix4/bridge", test_acpi_piix4_tcg_bridge);
>           qtest_add_func("acpi/q35", test_acpi_q35_tcg);
> diff --git a/tests/qtest/Makefile.include b/tests/qtest/Makefile.include
> index 9e5a51d033..5023fa413d 100644
> --- a/tests/qtest/Makefile.include
> +++ b/tests/qtest/Makefile.include
> @@ -262,6 +262,7 @@ tests/qtest/hd-geo-test$(EXESUF): tests/qtest/hd-geo-test.o $(libqos-obj-y)
>   tests/qtest/boot-order-test$(EXESUF): tests/qtest/boot-order-test.o $(libqos-obj-y)
>   tests/qtest/boot-serial-test$(EXESUF): tests/qtest/boot-serial-test.o $(libqos-obj-y)
>   tests/qtest/bios-tables-test$(EXESUF): tests/qtest/bios-tables-test.o \
> +        tests/qtest/tpm-emu.o $(test-io-obj-y) \
>   	tests/qtest/boot-sector.o tests/qtest/acpi-utils.o $(libqos-obj-y)
>   tests/qtest/pxe-test$(EXESUF): tests/qtest/pxe-test.o tests/qtest/boot-sector.o $(libqos-obj-y)
>   tests/qtest/microbit-test$(EXESUF): tests/qtest/microbit-test.o