Re: [PATCH] hw/tpm: TIS on sysbus: Remove unsupport ppi command line option

[Eric Auger <eric.auger@redhat.com>]

Hi Stefan,

On 7/13/23 19:19, Stefan Berger wrote:
> The ppi command line option for the TIS device on sysbus never worked
> and caused an immediate segfault. Remove support for it since it also
> needs support in the firmware and needs testing inside the VM.
>
> Reproducer with the ppi=on option passed:
>
> qemu-system-aarch64 \
>    -machine virt,gic-version=3 \
>    -m 4G  \
>    -nographic -no-acpi \
>    -chardev socket,id=chrtpm,path=/tmp/mytpm1/swtpm-sock \
>    -tpmdev emulator,id=tpm0,chardev=chrtpm \
>    -device tpm-tis-device,tpmdev=tpm0,ppi=on
> [...]
> Segmentation fault (core dumped)
>
> Signed-off-by: Stefan Berger <stefanb@linux.ibm.com>
Reviewed-by: Eric Auger <eric.auger@redhat.com>

Thanks!

Eric
> ---
>  hw/tpm/tpm_tis_sysbus.c | 1 -
>  1 file changed, 1 deletion(-)
>
> diff --git a/hw/tpm/tpm_tis_sysbus.c b/hw/tpm/tpm_tis_sysbus.c
> index 45e63efd63..6724b3d4f6 100644
> --- a/hw/tpm/tpm_tis_sysbus.c
> +++ b/hw/tpm/tpm_tis_sysbus.c
> @@ -93,7 +93,6 @@ static void tpm_tis_sysbus_reset(DeviceState *dev)
>  static Property tpm_tis_sysbus_properties[] = {
>      DEFINE_PROP_UINT32("irq", TPMStateSysBus, state.irq_num, TPM_TIS_IRQ),
>      DEFINE_PROP_TPMBE("tpmdev", TPMStateSysBus, state.be_driver),
> -    DEFINE_PROP_BOOL("ppi", TPMStateSysBus, state.ppi_enabled, false),
>      DEFINE_PROP_END_OF_LIST(),
>  };
>