Re: [PATCH v3 09/10] test: tpm-tis: Get prepared to share tests between ISA and sysbus devices

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

On 2/26/20 5:25 AM, Eric Auger wrote:
> ISA and sysbus TPM-TIS devices will share their tests. Only
> the main() will change (instantiation option is different).
> Also the base address of the TPM-TIS device is going to be
> different. on x86 it is located at 0xFED40000 while on ARM
> it can be located at any location, discovered through the
> device tree description.
>
> So we put shared test functions in a new object module.
> Each test needs to set tpm_tis_base_addr global variable.
>
> Signed-off-by: Eric Auger <eric.auger@redhat.com>
> ---
>   tests/qtest/Makefile.include     |   2 +-
>   tests/qtest/tpm-crb-swtpm-test.c |   3 +
>   tests/qtest/tpm-crb-test.c       |   2 +
>   tests/qtest/tpm-tis-swtpm-test.c |   3 +
>   tests/qtest/tpm-tis-test.c       | 414 +----------------------------
>   tests/qtest/tpm-tis-util.c       | 433 +++++++++++++++++++++++++++++++
>   tests/qtest/tpm-tis-util.h       |  23 ++
>   tests/qtest/tpm-util.c           |   3 -
>   tests/qtest/tpm-util.h           |   5 +
>   9 files changed, 473 insertions(+), 415 deletions(-)
>   create mode 100644 tests/qtest/tpm-tis-util.c
>   create mode 100644 tests/qtest/tpm-tis-util.h
>
> diff --git a/tests/qtest/Makefile.include b/tests/qtest/Makefile.include
> index 028af5b782..44aac68b25 100644
> --- a/tests/qtest/Makefile.include
> +++ b/tests/qtest/Makefile.include
> @@ -302,7 +302,7 @@ tests/qtest/tpm-crb-swtpm-test$(EXESUF): tests/qtest/tpm-crb-swtpm-test.o tests/
>   tests/qtest/tpm-crb-test$(EXESUF): tests/qtest/tpm-crb-test.o tests/qtest/tpm-emu.o $(test-io-obj-y)
>   tests/qtest/tpm-tis-swtpm-test$(EXESUF): tests/qtest/tpm-tis-swtpm-test.o tests/qtest/tpm-emu.o \
>   	tests/qtest/tpm-util.o tests/qtest/tpm-tests.o $(test-io-obj-y)
> -tests/qtest/tpm-tis-test$(EXESUF): tests/qtest/tpm-tis-test.o tests/qtest/tpm-emu.o $(test-io-obj-y)
> +tests/qtest/tpm-tis-test$(EXESUF): tests/qtest/tpm-tis-test.o tests/qtest/tpm-tis-util.o tests/qtest/tpm-emu.o $(test-io-obj-y)
>   
>   # QTest rules
>   
> diff --git a/tests/qtest/tpm-crb-swtpm-test.c b/tests/qtest/tpm-crb-swtpm-test.c
> index 5228cb7af4..ac92f08bee 100644
> --- a/tests/qtest/tpm-crb-swtpm-test.c
> +++ b/tests/qtest/tpm-crb-swtpm-test.c
> @@ -18,6 +18,9 @@
>   #include "libqtest.h"
>   #include "qemu/module.h"
>   #include "tpm-tests.h"
> +#include "hw/acpi/tpm.h"
> +
> +uint64_t tpm_tis_base_addr = TPM_TIS_ADDR_BASE;
>   
>   typedef struct TestState {
>       char *src_tpm_path;
> diff --git a/tests/qtest/tpm-crb-test.c b/tests/qtest/tpm-crb-test.c
> index 632fb7fbd8..cdd09e5396 100644
> --- a/tests/qtest/tpm-crb-test.c
> +++ b/tests/qtest/tpm-crb-test.c
> @@ -19,6 +19,8 @@
>   #include "qemu/module.h"
>   #include "tpm-emu.h"
>   
> +uint64_t tpm_tis_base_addr = TPM_TIS_ADDR_BASE;
> +

Since crb shouldn't need it, can you add a comment 'Not used but needed 
for linking'? Same in tpm-crb-swtpm-test.c.

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