1 files changed, 20 insertions, 1 deletions
diff --git a/hw/tpm/tpm_util.h b/hw/tpm/tpm_util.h
index 2f7c96146d..19b28474ae 100644
--- a/hw/tpm/tpm_util.h
+++ b/hw/tpm/tpm_util.h
@@ -22,7 +22,8 @@
 #ifndef TPM_TPM_UTIL_H
 #define TPM_TPM_UTIL_H
 
-#include "sysemu/tpm_backend.h"
+#include "sysemu/tpm.h"
+#include "qemu/bswap.h"
 
 void tpm_util_write_fatal_error_response(uint8_t *out, uint32_t out_len);
 
@@ -30,4 +31,22 @@ bool tpm_util_is_selftest(const uint8_t *in, uint32_t in_len);
 
 int tpm_util_test_tpmdev(int tpm_fd, TPMVersion *tpm_version);
 
+static inline uint32_t tpm_cmd_get_size(const void *b)
+{
+    return be32_to_cpu(*(const uint32_t *)(b + 2));
+}
+
+int tpm_util_get_buffer_size(int tpm_fd, TPMVersion tpm_version,
+                             size_t *buffersize);
+
+#define DEFINE_PROP_TPMBE(_n, _s, _f)                     \
+    DEFINE_PROP(_n, _s, _f, qdev_prop_tpm, TPMBackend *)
+
+typedef struct TPMSizedBuffer {
+    uint32_t size;
+    uint8_t  *buffer;
+} TPMSizedBuffer;
+
+void tpm_sized_buffer_reset(TPMSizedBuffer *tsb);
+
 #endif /* TPM_TPM_UTIL_H */