tests: tpm: Create TPM 1.2 response in TPM emulator

Signed-off-by: Stefan Berger <stefanb@linux.ibm.com>
Acked-by: Igor Mammedov <imammedo@redhat.com>
Message-id: 20210708183814.925960-7-stefanb@linux.vnet.ibm.com

tests/qtest/tpm-emu.c

@@ -62,6 +62,11 @@ static void *tpm_emu_tpm_thread(void *data)
             s->tpm_msg->len = cpu_to_be32(sizeof(struct tpm_hdr));
             s->tpm_msg->code = cpu_to_be32(TPM_RC_FAILURE);
             break;
+        case TPM_VERSION_1_2:
+            s->tpm_msg->tag = cpu_to_be16(TPM_TAG_RSP_COMMAND);
+            s->tpm_msg->len = cpu_to_be32(sizeof(struct tpm_hdr));
+            s->tpm_msg->code = cpu_to_be32(TPM_FAIL);
+            break;
         default:
             g_debug("unsupport TPM version %u", s->tpm_version);
             g_assert_not_reached();

tests/qtest/tpm-emu.h

@@ -16,6 +16,9 @@
 #define TPM_RC_FAILURE 0x101
 #define TPM2_ST_NO_SESSIONS 0x8001
 
+#define TPM_FAIL 9
+#define TPM_TAG_RSP_COMMAND 0xc4
+
 #include "qemu/sockets.h"
 #include "io/channel.h"
 #include "sysemu/tpm.h"