Merge remote-tracking branch 'remotes/stefanberger/tags/pull-tpm-2017-12-15-1' into staging

Merge tpm 2017/12/15 v1

# gpg: Signature made Fri 15 Dec 2017 04:44:15 GMT
# gpg:                using RSA key 0x75AD65802A0B4211
# gpg: Good signature from "Stefan Berger <stefanb@linux.vnet.ibm.com>"
# gpg: WARNING: This key is not certified with a trusted signature!
# gpg:          There is no indication that the signature belongs to the owner.
# Primary key fingerprint: B818 B9CA DF90 89C2 D5CE  C66B 75AD 6580 2A0B 4211

* remotes/stefanberger/tags/pull-tpm-2017-12-15-1: (32 commits)
  tpm: tpm_passthrough: Fail startup if FE buffer size < BE buffer size
  tpm: tpm_emulator: get and set buffer size of device
  tpm: tpm_passthrough: Read the buffer size from the host device
  tpm: pull tpm_util_request() out of tpm_util_test()
  tpm: Move getting TPM buffer size to backends
  tpm: remove tpm_register_model()
  tpm-tis: use DEFINE_PROP_TPMBE
  qdev: add DEFINE_PROP_TPMBE
  tpm-tis: check that at most one TPM device exists
  tpm-tis: remove redundant 'tpm_tis:' in error messages
  tpm-emulator: add a FIXME comment about blocking cancel
  acpi: change TPM TIS data conditions
  tpm: add tpm_cmd_get_size() to tpm_util
  tpm: add TPM interface to lookup TPM version
  tpm: lookup the the TPM interface instead of TIS device
  tpm: rename qemu_find_tpm() -> qemu_find_tpm_be()
  tpm-tis: simplify header inclusion
  tpm-passthrough: workaround a possible race
  tpm-passthrough: simplify create()
  tpm-passthrough: make it safer to destroy after creation
  ...

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>

1 files changed, 9 insertions, 5 deletions

diff --git a/hw/i386/acpi-build.c b/hw/i386/acpi-build.c
index 73519ab3ac..dd1420b410 100644
--- a/hw/i386/acpi-build.c
+++ b/hw/i386/acpi-build.c
@@ -208,7 +208,7 @@ static void acpi_get_misc_info(AcpiMiscInfo *info)
     }
 
     info->has_hpet = hpet_find();
-    info->tpm_version = tpm_get_version();
+    info->tpm_version = tpm_get_version(tpm_find());
     info->pvpanic_port = pvpanic_port();
     info->applesmc_io_base = applesmc_port();
 }
@@ -2038,7 +2038,7 @@ build_dsdt(GArray *table_data, BIOSLinker *linker,
         }
     }
 
-    if (misc->tpm_version != TPM_VERSION_UNSPEC) {
+    if (TPM_IS_TIS(tpm_find())) {
         aml_append(crs, aml_memory32_fixed(TPM_TIS_ADDR_BASE,
                    TPM_TIS_ADDR_SIZE, AML_READ_WRITE));
     }
@@ -2204,7 +2204,7 @@ 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 (misc->tpm_version != TPM_VERSION_UNSPEC) {
+            if (TPM_IS_TIS(tpm_find())) {
                 dev = aml_device("ISA.TPM");
                 aml_append(dev, aml_name_decl("_HID", aml_eisaid("PNP0C31")));
                 aml_append(dev, aml_name_decl("_STA", aml_int(0xF)));
@@ -2281,8 +2281,12 @@ build_tpm2(GArray *table_data, BIOSLinker *linker)
     tpm2_ptr = acpi_data_push(table_data, sizeof *tpm2_ptr);
 
     tpm2_ptr->platform_class = cpu_to_le16(TPM2_ACPI_CLASS_CLIENT);
-    tpm2_ptr->control_area_address = cpu_to_le64(0);
-    tpm2_ptr->start_method = cpu_to_le32(TPM2_START_METHOD_MMIO);
+    if (TPM_IS_TIS(tpm_find())) {
+        tpm2_ptr->control_area_address = cpu_to_le64(0);
+        tpm2_ptr->start_method = cpu_to_le32(TPM2_START_METHOD_MMIO);
+    } else {
+        g_warn_if_reached();
+    }
 
     build_header(linker, table_data,
                  (void *)tpm2_ptr, "TPM2", sizeof(*tpm2_ptr), 4, NULL, NULL);