* [PATCH v2 1/4] i386: Eliminate all TPM related code if CONFIG_TPM is not set
2021-06-14 19:13 [PATCH v2 0/4] tpm: Eliminate TPM related code if CONFIG_TPM is not set Stefan Berger
@ 2021-06-14 19:13 ` Stefan Berger
2021-06-14 19:13 ` [PATCH v2 2/4] arm: " Stefan Berger
` (3 subsequent siblings)
4 siblings, 0 replies; 6+ messages in thread
From: Stefan Berger @ 2021-06-14 19:13 UTC (permalink / raw)
To: qemu-devel
Cc: Igor Mammedov, Michael S . Tsirkin, philmd, armbru, Stefan Berger
Cc: Michael S. Tsirkin <mst@redhat.com>
Cc: Igor Mammedov <imammedo@redhat.com>
Signed-off-by: Stefan Berger <stefanb@linux.ibm.com>
---
hw/i386/acpi-build.c | 20 ++++++++++++++++++++
stubs/tpm.c | 4 ----
2 files changed, 20 insertions(+), 4 deletions(-)
diff --git a/hw/i386/acpi-build.c b/hw/i386/acpi-build.c
index 80bee00da6..796ffc6f5c 100644
--- a/hw/i386/acpi-build.c
+++ b/hw/i386/acpi-build.c
@@ -107,7 +107,9 @@ typedef struct AcpiPmInfo {
typedef struct AcpiMiscInfo {
bool is_piix4;
bool has_hpet;
+#ifdef CONFIG_TPM
TPMVersion tpm_version;
+#endif
const unsigned char *dsdt_code;
unsigned dsdt_size;
uint16_t pvpanic_port;
@@ -286,7 +288,9 @@ static void acpi_get_misc_info(AcpiMiscInfo *info)
}
info->has_hpet = hpet_find();
+#ifdef CONFIG_TPM
info->tpm_version = tpm_get_version(tpm_find());
+#endif
info->pvpanic_port = pvpanic_port();
info->applesmc_io_base = applesmc_port();
}
@@ -1371,7 +1375,9 @@ build_dsdt(GArray *table_data, BIOSLinker *linker,
uint32_t nr_mem = machine->ram_slots;
int root_bus_limit = 0xFF;
PCIBus *bus = NULL;
+#ifdef CONFIG_TPM
TPMIf *tpm = tpm_find();
+#endif
int i;
VMBusBridge *vmbus_bridge = vmbus_bridge_find();
@@ -1604,10 +1610,12 @@ build_dsdt(GArray *table_data, BIOSLinker *linker,
}
}
+#ifdef CONFIG_TPM
if (TPM_IS_TIS_ISA(tpm_find())) {
aml_append(crs, aml_memory32_fixed(TPM_TIS_ADDR_BASE,
TPM_TIS_ADDR_SIZE, AML_READ_WRITE));
}
+#endif
aml_append(scope, aml_name_decl("_CRS", crs));
/* reserve GPE0 block resources */
@@ -1753,6 +1761,7 @@ 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);
+#ifdef CONFIG_TPM
if (TPM_IS_TIS_ISA(tpm)) {
if (misc->tpm_version == TPM_VERSION_2_0) {
dev = aml_device("TPM");
@@ -1780,11 +1789,13 @@ build_dsdt(GArray *table_data, BIOSLinker *linker,
aml_append(scope, dev);
}
+#endif
aml_append(sb_scope, scope);
}
}
+#ifdef CONFIG_TPM
if (TPM_IS_CRB(tpm)) {
dev = aml_device("TPM");
aml_append(dev, aml_name_decl("_HID", aml_string("MSFT0101")));
@@ -1799,6 +1810,7 @@ build_dsdt(GArray *table_data, BIOSLinker *linker,
aml_append(sb_scope, dev);
}
+#endif
aml_append(dsdt, sb_scope);
@@ -1828,6 +1840,7 @@ build_hpet(GArray *table_data, BIOSLinker *linker, const char *oem_id,
"HPET", sizeof(*hpet), 1, oem_id, oem_table_id);
}
+#ifdef CONFIG_TPM
static void
build_tpm_tcpa(GArray *table_data, BIOSLinker *linker, GArray *tcpalog,
const char *oem_id, const char *oem_table_id)
@@ -1854,6 +1867,7 @@ build_tpm_tcpa(GArray *table_data, BIOSLinker *linker, GArray *tcpalog,
(void *)(table_data->data + tcpa_start),
"TCPA", sizeof(*tcpa), 2, oem_id, oem_table_id);
}
+#endif
#define HOLE_640K_START (640 * KiB)
#define HOLE_640K_END (1 * MiB)
@@ -2403,6 +2417,7 @@ void acpi_build(AcpiBuildTables *tables, MachineState *machine)
build_hpet(tables_blob, tables->linker, x86ms->oem_id,
x86ms->oem_table_id);
}
+#ifdef CONFIG_TPM
if (misc.tpm_version != TPM_VERSION_UNSPEC) {
if (misc.tpm_version == TPM_VERSION_1_2) {
acpi_add_table(table_offsets, tables_blob);
@@ -2414,6 +2429,7 @@ void acpi_build(AcpiBuildTables *tables, MachineState *machine)
x86ms->oem_id, x86ms->oem_table_id);
}
}
+#endif
if (pcms->numa_nodes) {
acpi_add_table(table_offsets, tables_blob);
build_srat(tables_blob, tables->linker, machine);
@@ -2605,8 +2621,10 @@ void acpi_setup(void)
AcpiBuildTables tables;
AcpiBuildState *build_state;
Object *vmgenid_dev;
+#ifdef CONFIG_TPM
TPMIf *tpm;
static FwCfgTPMConfig tpm_config;
+#endif
if (!x86ms->fw_cfg) {
ACPI_BUILD_DPRINTF("No fw cfg. Bailing out.\n");
@@ -2638,6 +2656,7 @@ void acpi_setup(void)
acpi_add_rom_blob(acpi_build_update, build_state,
tables.linker->cmd_blob, ACPI_BUILD_LOADER_FILE);
+#ifdef CONFIG_TPM
fw_cfg_add_file(x86ms->fw_cfg, ACPI_BUILD_TPMLOG_FILE,
tables.tcpalog->data, acpi_data_len(tables.tcpalog));
@@ -2651,6 +2670,7 @@ void acpi_setup(void)
fw_cfg_add_file(x86ms->fw_cfg, "etc/tpm/config",
&tpm_config, sizeof tpm_config);
}
+#endif
vmgenid_dev = find_vmgenid_dev();
if (vmgenid_dev) {
diff --git a/stubs/tpm.c b/stubs/tpm.c
index b1dc6370a5..524e534cb1 100644
--- a/stubs/tpm.c
+++ b/stubs/tpm.c
@@ -17,7 +17,3 @@ int tpm_init(void)
void tpm_cleanup(void)
{
}
-
-void tpm_build_ppi_acpi(TPMIf *tpm, Aml *dev)
-{
-}
--
2.31.1
^ permalink raw reply related [flat|nested] 6+ messages in thread
* [PATCH v2 2/4] arm: Eliminate all TPM related code if CONFIG_TPM is not set
2021-06-14 19:13 [PATCH v2 0/4] tpm: Eliminate TPM related code if CONFIG_TPM is not set Stefan Berger
2021-06-14 19:13 ` [PATCH v2 1/4] i386: Eliminate all " Stefan Berger
@ 2021-06-14 19:13 ` Stefan Berger
2021-06-14 19:13 ` [PATCH v2 3/4] acpi: " Stefan Berger
` (2 subsequent siblings)
4 siblings, 0 replies; 6+ messages in thread
From: Stefan Berger @ 2021-06-14 19:13 UTC (permalink / raw)
To: qemu-devel; +Cc: philmd, armbru, Stefan Berger
Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Stefan Berger <stefanb@linux.ibm.com>
---
hw/arm/sysbus-fdt.c | 4 ++++
hw/arm/virt-acpi-build.c | 6 ++++++
hw/arm/virt.c | 2 ++
3 files changed, 12 insertions(+)
diff --git a/hw/arm/sysbus-fdt.c b/hw/arm/sysbus-fdt.c
index 6b6906f4cf..48c5fe9bf1 100644
--- a/hw/arm/sysbus-fdt.c
+++ b/hw/arm/sysbus-fdt.c
@@ -437,6 +437,7 @@ static bool vfio_platform_match(SysBusDevice *sbdev,
#endif /* CONFIG_LINUX */
+#ifdef CONFIG_TPM
/*
* add_tpm_tis_fdt_node: Create a DT node for TPM TIS
*
@@ -467,6 +468,7 @@ static int add_tpm_tis_fdt_node(SysBusDevice *sbdev, void *opaque)
g_free(nodename);
return 0;
}
+#endif
static int no_fdt_node(SysBusDevice *sbdev, void *opaque)
{
@@ -488,7 +490,9 @@ static const BindingEntry bindings[] = {
TYPE_BINDING(TYPE_VFIO_AMD_XGBE, add_amd_xgbe_fdt_node),
VFIO_PLATFORM_BINDING("amd,xgbe-seattle-v1a", add_amd_xgbe_fdt_node),
#endif
+#ifdef CONFIG_TPM
TYPE_BINDING(TYPE_TPM_TIS_SYSBUS, add_tpm_tis_fdt_node),
+#endif
TYPE_BINDING(TYPE_RAMFB_DEVICE, no_fdt_node),
TYPE_BINDING("", NULL), /* last element */
};
diff --git a/hw/arm/virt-acpi-build.c b/hw/arm/virt-acpi-build.c
index 60fe2e65a7..f1024843dd 100644
--- a/hw/arm/virt-acpi-build.c
+++ b/hw/arm/virt-acpi-build.c
@@ -205,6 +205,7 @@ static void acpi_dsdt_add_gpio(Aml *scope, const MemMapEntry *gpio_memmap,
aml_append(scope, dev);
}
+#ifdef CONFIG_TPM
static void acpi_dsdt_add_tpm(Aml *scope, VirtMachineState *vms)
{
PlatformBusDevice *pbus = PLATFORM_BUS_DEVICE(vms->platform_bus_dev);
@@ -236,6 +237,7 @@ static void acpi_dsdt_add_tpm(Aml *scope, VirtMachineState *vms)
aml_append(dev, aml_name_decl("_CRS", crs));
aml_append(scope, dev);
}
+#endif
static void
build_iort(GArray *table_data, BIOSLinker *linker, VirtMachineState *vms)
@@ -642,7 +644,9 @@ build_dsdt(GArray *table_data, BIOSLinker *linker, VirtMachineState *vms)
}
acpi_dsdt_add_power_button(scope);
+#ifdef CONFIG_TPM
acpi_dsdt_add_tpm(scope, vms);
+#endif
aml_append(dsdt, scope);
@@ -745,11 +749,13 @@ void virt_acpi_build(VirtMachineState *vms, AcpiBuildTables *tables)
build_iort(tables_blob, tables->linker, vms);
}
+#ifdef CONFIG_TPM
if (tpm_get_version(tpm_find()) == TPM_VERSION_2_0) {
acpi_add_table(table_offsets, tables_blob);
build_tpm2(tables_blob, tables->linker, tables->tcpalog, vms->oem_id,
vms->oem_table_id);
}
+#endif
/* XSDT is pointed to by RSDP */
xsdt = tables_blob->len;
diff --git a/hw/arm/virt.c b/hw/arm/virt.c
index 840758666d..9122e22ee0 100644
--- a/hw/arm/virt.c
+++ b/hw/arm/virt.c
@@ -2599,7 +2599,9 @@ static void virt_machine_class_init(ObjectClass *oc, void *data)
machine_class_allow_dynamic_sysbus_dev(mc, TYPE_VFIO_AMD_XGBE);
machine_class_allow_dynamic_sysbus_dev(mc, TYPE_RAMFB_DEVICE);
machine_class_allow_dynamic_sysbus_dev(mc, TYPE_VFIO_PLATFORM);
+#ifdef CONFIG_TPM
machine_class_allow_dynamic_sysbus_dev(mc, TYPE_TPM_TIS_SYSBUS);
+#endif
mc->block_default_type = IF_VIRTIO;
mc->no_cdrom = 1;
mc->pci_allow_0_address = true;
--
2.31.1
^ permalink raw reply related [flat|nested] 6+ messages in thread
* [PATCH v2 3/4] acpi: Eliminate all TPM related code if CONFIG_TPM is not set
2021-06-14 19:13 [PATCH v2 0/4] tpm: Eliminate TPM related code if CONFIG_TPM is not set Stefan Berger
2021-06-14 19:13 ` [PATCH v2 1/4] i386: Eliminate all " Stefan Berger
2021-06-14 19:13 ` [PATCH v2 2/4] arm: " Stefan Berger
@ 2021-06-14 19:13 ` Stefan Berger
2021-06-14 19:13 ` [PATCH v2 4/4] sysemu: Make TPM structures inaccessible if CONFIG_TPM is not defined Stefan Berger
2021-06-14 19:58 ` [PATCH v2 0/4] tpm: Eliminate TPM related code if CONFIG_TPM is not set Philippe Mathieu-Daudé
4 siblings, 0 replies; 6+ messages in thread
From: Stefan Berger @ 2021-06-14 19:13 UTC (permalink / raw)
To: qemu-devel
Cc: Igor Mammedov, M : Michael S . Tsirkin, philmd, armbru, Stefan Berger
Cc: M: Michael S. Tsirkin <mst@redhat.com>
Cc: Igor Mammedov <imammedo@redhat.com>
Signed-off-by: Stefan Berger <stefanb@linux.ibm.com>
---
hw/acpi/aml-build.c | 2 ++
include/hw/acpi/tpm.h | 4 ++++
2 files changed, 6 insertions(+)
diff --git a/hw/acpi/aml-build.c b/hw/acpi/aml-build.c
index f0035d2b4a..d5103e6d7b 100644
--- a/hw/acpi/aml-build.c
+++ b/hw/acpi/aml-build.c
@@ -2044,6 +2044,7 @@ build_hdr:
"FACP", tbl->len - fadt_start, f->rev, oem_id, oem_table_id);
}
+#ifdef CONFIG_TPM
/*
* build_tpm2 - Build the TPM2 table as specified in
* table 7: TCG Hardware Interface Description Table Format for TPM 2.0
@@ -2101,6 +2102,7 @@ void build_tpm2(GArray *table_data, BIOSLinker *linker, GArray *tcpalog,
(void *)(table_data->data + tpm2_start),
"TPM2", table_data->len - tpm2_start, 4, oem_id, oem_table_id);
}
+#endif
Aml *build_crs(PCIHostState *host, CrsRangeSet *range_set, uint32_t io_offset,
uint32_t mmio32_offset, uint64_t mmio64_offset,
diff --git a/include/hw/acpi/tpm.h b/include/hw/acpi/tpm.h
index 1a2a57a21f..559ba6906c 100644
--- a/include/hw/acpi/tpm.h
+++ b/include/hw/acpi/tpm.h
@@ -21,6 +21,8 @@
#include "hw/acpi/aml-build.h"
#include "sysemu/tpm.h"
+#ifdef CONFIG_TPM
+
#define TPM_TIS_ADDR_BASE 0xFED40000
#define TPM_TIS_ADDR_SIZE 0x5000
@@ -209,4 +211,6 @@ REG32(CRB_DATA_BUFFER, 0x80)
void tpm_build_ppi_acpi(TPMIf *tpm, Aml *dev);
+#endif /* CONFIG_TPM */
+
#endif /* HW_ACPI_TPM_H */
--
2.31.1
^ permalink raw reply related [flat|nested] 6+ messages in thread
* [PATCH v2 4/4] sysemu: Make TPM structures inaccessible if CONFIG_TPM is not defined
2021-06-14 19:13 [PATCH v2 0/4] tpm: Eliminate TPM related code if CONFIG_TPM is not set Stefan Berger
` (2 preceding siblings ...)
2021-06-14 19:13 ` [PATCH v2 3/4] acpi: " Stefan Berger
@ 2021-06-14 19:13 ` Stefan Berger
2021-06-14 19:58 ` [PATCH v2 0/4] tpm: Eliminate TPM related code if CONFIG_TPM is not set Philippe Mathieu-Daudé
4 siblings, 0 replies; 6+ messages in thread
From: Stefan Berger @ 2021-06-14 19:13 UTC (permalink / raw)
To: qemu-devel; +Cc: philmd, armbru, Stefan Berger
Signed-off-by: Stefan Berger <stefanb@linux.ibm.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
---
include/sysemu/tpm.h | 6 +++++-
include/sysemu/tpm_backend.h | 6 +++++-
2 files changed, 10 insertions(+), 2 deletions(-)
diff --git a/include/sysemu/tpm.h b/include/sysemu/tpm.h
index 1a85564e47..2ca3fa32ee 100644
--- a/include/sysemu/tpm.h
+++ b/include/sysemu/tpm.h
@@ -15,10 +15,12 @@
#include "qapi/qapi-types-tpm.h"
#include "qom/object.h"
-int tpm_config_parse(QemuOptsList *opts_list, const char *optarg);
int tpm_init(void);
void tpm_cleanup(void);
+#ifdef CONFIG_TPM
+int tpm_config_parse(QemuOptsList *opts_list, const char *optarg);
+
typedef enum TPMVersion {
TPM_VERSION_UNSPEC = 0,
TPM_VERSION_1_2 = 1,
@@ -73,4 +75,6 @@ static inline TPMVersion tpm_get_version(TPMIf *ti)
return TPM_IF_GET_CLASS(ti)->get_version(ti);
}
+#endif /* CONFIG_TPM */
+
#endif /* QEMU_TPM_H */
diff --git a/include/sysemu/tpm_backend.h b/include/sysemu/tpm_backend.h
index 6f078f5f48..8fd3269c11 100644
--- a/include/sysemu/tpm_backend.h
+++ b/include/sysemu/tpm_backend.h
@@ -18,6 +18,8 @@
#include "sysemu/tpm.h"
#include "qapi/error.h"
+#ifdef CONFIG_TPM
+
#define TYPE_TPM_BACKEND "tpm-backend"
OBJECT_DECLARE_TYPE(TPMBackend, TPMBackendClass,
TPM_BACKEND)
@@ -209,4 +211,6 @@ TPMInfo *tpm_backend_query_tpm(TPMBackend *s);
TPMBackend *qemu_find_tpm_be(const char *id);
-#endif
+#endif /* CONFIG_TPM */
+
+#endif /* TPM_BACKEND_H */
--
2.31.1
^ permalink raw reply related [flat|nested] 6+ messages in thread
* Re: [PATCH v2 0/4] tpm: Eliminate TPM related code if CONFIG_TPM is not set
2021-06-14 19:13 [PATCH v2 0/4] tpm: Eliminate TPM related code if CONFIG_TPM is not set Stefan Berger
` (3 preceding siblings ...)
2021-06-14 19:13 ` [PATCH v2 4/4] sysemu: Make TPM structures inaccessible if CONFIG_TPM is not defined Stefan Berger
@ 2021-06-14 19:58 ` Philippe Mathieu-Daudé
4 siblings, 0 replies; 6+ messages in thread
From: Philippe Mathieu-Daudé @ 2021-06-14 19:58 UTC (permalink / raw)
To: Stefan Berger, qemu-devel; +Cc: armbru
On 6/14/21 9:13 PM, Stefan Berger wrote:
> The following patches entirely eliminate TPM related code if CONFIG_TPM
> is not set.
>
> Stefan
>
> v2:
> - top-down approach for code elimination from arch down to acpi
>
> Stefan Berger (4):
> i386: Eliminate all TPM related code if CONFIG_TPM is not set
> arm: Eliminate all TPM related code if CONFIG_TPM is not set
> acpi: Eliminate all TPM related code if CONFIG_TPM is not set
> sysemu: Make TPM structures inaccessible if CONFIG_TPM is not defined
>
> hw/acpi/aml-build.c | 2 ++
> hw/arm/sysbus-fdt.c | 4 ++++
> hw/arm/virt-acpi-build.c | 6 ++++++
> hw/arm/virt.c | 2 ++
> hw/i386/acpi-build.c | 20 ++++++++++++++++++++
> include/hw/acpi/tpm.h | 4 ++++
> include/sysemu/tpm.h | 6 +++++-
> include/sysemu/tpm_backend.h | 6 +++++-
> stubs/tpm.c | 4 ----
> 9 files changed, 48 insertions(+), 6 deletions(-)
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Tested-by: Philippe Mathieu-Daudé <philmd@redhat.com>
^ permalink raw reply [flat|nested] 6+ messages in thread