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From: Auger Eric <eric.auger@redhat.com>
To: "Philippe Mathieu-Daudé" <philmd@redhat.com>,
	eric.auger.pro@gmail.com, stefanb@linux.ibm.com,
	qemu-devel@nongnu.org, qemu-arm@nongnu.org,
	peter.maydell@linaro.org
Cc: marcandre.lureau@redhat.com, lersek@redhat.com, ardb@kernel.org
Subject: Re: [RFC v2 1/6] tpm: rename TPM_TIS into TPM_TIS_ISA
Date: Tue, 25 Feb 2020 11:16:09 +0100
Message-ID: <4dd1b4b0-7112-5a8a-9033-9c21eb01b8f9@redhat.com> (raw)
In-Reply-To: <29cc9864-a016-b251-506a-8c04b37efe28@redhat.com>

Hi Phil,

On 2/14/20 7:55 PM, Philippe Mathieu-Daudé wrote:
> On 2/14/20 7:36 PM, Eric Auger wrote:
>> As we plan to introduce a sysbus TPM_TIS, let's rename
>> TPM_TIS into TPM_TIS_ISA.
>>
>> Signed-off-by: Eric Auger <eric.auger@redhat.com>
>> ---
>>   hw/i386/acpi-build.c | 6 +++---
>>   hw/tpm/tpm_tis.c     | 4 ++--
>>   include/sysemu/tpm.h | 6 +++---
>>   3 files changed, 8 insertions(+), 8 deletions(-)
>>
>> diff --git a/hw/i386/acpi-build.c b/hw/i386/acpi-build.c
>> index 9c4e46fa74..26777f8828 100644
>> --- a/hw/i386/acpi-build.c
>> +++ b/hw/i386/acpi-build.c
>> @@ -2026,7 +2026,7 @@ build_dsdt(GArray *table_data, BIOSLinker *linker,
>>           }
>>       }
>>   -    if (TPM_IS_TIS(tpm_find())) {
>> +    if (TPM_IS_TIS_ISA(tpm_find())) {
>>           aml_append(crs, aml_memory32_fixed(TPM_TIS_ADDR_BASE,
>>                      TPM_TIS_ADDR_SIZE, AML_READ_WRITE));
>>       }
>> @@ -2197,7 +2197,7 @@ build_dsdt(GArray *table_data, BIOSLinker *linker,
>>               /* Scan all PCI buses. Generate tables to support
>> hotplug. */
>>               build_append_pci_bus_devices(scope, bus,
>> pm->pcihp_bridge_en);
>>   -            if (TPM_IS_TIS(tpm)) {
>> +            if (TPM_IS_TIS_ISA(tpm)) {
>>                   if (misc->tpm_version == TPM_VERSION_2_0) {
>>                       dev = aml_device("TPM");
>>                       aml_append(dev, aml_name_decl("_HID",
>> @@ -2304,7 +2304,7 @@ build_tpm2(GArray *table_data, BIOSLinker
>> *linker, GArray *tcpalog)
>>           (char *)&tpm2_ptr->log_area_start_address - table_data->data;
>>         tpm2_ptr->platform_class = cpu_to_le16(TPM2_ACPI_CLASS_CLIENT);
>> -    if (TPM_IS_TIS(tpm_find())) {
>> +    if (TPM_IS_TIS_ISA(tpm_find())) {
>>           tpm2_ptr->control_area_address = cpu_to_le64(0);
>>           tpm2_ptr->start_method = cpu_to_le32(TPM2_START_METHOD_MMIO);
>>       } else if (TPM_IS_CRB(tpm_find())) {
>> diff --git a/hw/tpm/tpm_tis.c b/hw/tpm/tpm_tis.c
>> index 31facb896d..c609737272 100644
>> --- a/hw/tpm/tpm_tis.c
>> +++ b/hw/tpm/tpm_tis.c
>> @@ -91,7 +91,7 @@ typedef struct TPMState {
>>       TPMPPI ppi;
>>   } TPMState;
>>   -#define TPM(obj) OBJECT_CHECK(TPMState, (obj), TYPE_TPM_TIS)
>> +#define TPM(obj) OBJECT_CHECK(TPMState, (obj), TYPE_TPM_TIS_ISA)
>>     #define DEBUG_TIS 0
>>   @@ -1008,7 +1008,7 @@ static void tpm_tis_class_init(ObjectClass
>> *klass, void *data)
>>   }
>>     static const TypeInfo tpm_tis_info = {
>> -    .name = TYPE_TPM_TIS,
>> +    .name = TYPE_TPM_TIS_ISA,
>>       .parent = TYPE_ISA_DEVICE,
>>       .instance_size = sizeof(TPMState),
>>       .instance_init = tpm_tis_initfn,
>> diff --git a/include/sysemu/tpm.h b/include/sysemu/tpm.h
>> index 15979a3647..1691b92c28 100644
>> --- a/include/sysemu/tpm.h
>> +++ b/include/sysemu/tpm.h
>> @@ -43,12 +43,12 @@ typedef struct TPMIfClass {
>>       enum TPMVersion (*get_version)(TPMIf *obj);
>>   } TPMIfClass;
>>   -#define TYPE_TPM_TIS                "tpm-tis"
>> +#define TYPE_TPM_TIS_ISA            "tpm-tis"
> 
> It should be safe to rename this "tpm-tis-isa" in this patch.
This would change the name of the legacy ISA device and also the way we
instantiate it through the cmd line. To avoid breaking the compatibility
I kept the same name and used tpm-tis-device (?) for the new sysbus one.

Thanks

Eric
> 
> Regardless:
> Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
> 
>>   #define TYPE_TPM_CRB                "tpm-crb"
>>   #define TYPE_TPM_SPAPR              "tpm-spapr"
>>   -#define TPM_IS_TIS(chr)                             \
>> -    object_dynamic_cast(OBJECT(chr), TYPE_TPM_TIS)
>> +#define TPM_IS_TIS_ISA(chr)                         \
>> +    object_dynamic_cast(OBJECT(chr), TYPE_TPM_TIS_ISA)
>>   #define TPM_IS_CRB(chr)                             \
>>       object_dynamic_cast(OBJECT(chr), TYPE_TPM_CRB)
>>   #define TPM_IS_SPAPR(chr)                           \
>>
> 



  reply index

Thread overview: 30+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-02-14 18:36 [RFC v2 0/6] vTPM for aarch64 Eric Auger
2020-02-14 18:36 ` [RFC v2 1/6] tpm: rename TPM_TIS into TPM_TIS_ISA Eric Auger
2020-02-14 18:55   ` Philippe Mathieu-Daudé
2020-02-25 10:16     ` Auger Eric [this message]
2020-02-25 10:22       ` Philippe Mathieu-Daudé
2020-02-25 10:28         ` Auger Eric
2020-02-16 18:14   ` Stefan Berger
2020-02-14 18:37 ` [RFC v2 2/6] tpm: Use TPMState as a common struct Eric Auger
2020-02-14 19:01   ` Philippe Mathieu-Daudé
2020-02-16 18:22   ` Stefan Berger
2020-02-17  9:21   ` Philippe Mathieu-Daudé
2020-02-17 18:01     ` Auger Eric
2020-02-25 10:18       ` Auger Eric
2020-02-14 18:37 ` [RFC v2 3/6] tpm: Separate tpm_tis common functions from isa code Eric Auger
2020-02-16 18:27   ` Stefan Berger
2020-02-14 18:37 ` [RFC v2 4/6] tpm: Separate TPM_TIS and TPM_TIS_ISA configs Eric Auger
2020-02-14 19:03   ` Philippe Mathieu-Daudé
2020-02-25 10:05     ` Auger Eric
2020-02-14 18:37 ` [RFC v2 5/6] tpm: Add the SysBus TPM TIS device Eric Auger
2020-02-16 18:32   ` Stefan Berger
2020-02-17 18:13     ` Auger Eric
2020-02-25  9:18       ` Auger Eric
2020-02-25  9:52         ` Ard Biesheuvel
2020-02-25 10:18           ` Philippe Mathieu-Daudé
2020-02-26  8:38           ` Auger Eric
2020-02-14 18:37 ` [RFC v2 6/6] hw/arm/virt: vTPM support Eric Auger
2020-02-16 18:47   ` Stefan Berger
2020-02-17 18:26     ` Auger Eric
2020-02-16 16:35 ` [RFC v2 0/6] vTPM for aarch64 Ard Biesheuvel
2020-02-17 18:03   ` Auger Eric

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