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-rw-r--r--include/hw/acpi/tpm.h12
1 files changed, 12 insertions, 0 deletions
diff --git a/include/hw/acpi/tpm.h b/include/hw/acpi/tpm.h
index a6109a97fc..1a2a57a21f 100644
--- a/include/hw/acpi/tpm.h
+++ b/include/hw/acpi/tpm.h
@@ -18,6 +18,8 @@
 
 #include "qemu/units.h"
 #include "hw/registerfields.h"
+#include "hw/acpi/aml-build.h"
+#include "sysemu/tpm.h"
 
 #define TPM_TIS_ADDR_BASE           0xFED40000
 #define TPM_TIS_ADDR_SIZE           0x5000
@@ -197,4 +199,14 @@ REG32(CRB_DATA_BUFFER, 0x80)
 #define TPM_PPI_VERSION_NONE        0
 #define TPM_PPI_VERSION_1_30        1
 
+/* whether function is blocked by BIOS settings; bits 0, 1, 2 */
+#define TPM_PPI_FUNC_NOT_IMPLEMENTED     (0 << 0)
+#define TPM_PPI_FUNC_BIOS_ONLY           (1 << 0)
+#define TPM_PPI_FUNC_BLOCKED             (2 << 0)
+#define TPM_PPI_FUNC_ALLOWED_USR_REQ     (3 << 0)
+#define TPM_PPI_FUNC_ALLOWED_USR_NOT_REQ (4 << 0)
+#define TPM_PPI_FUNC_MASK                (7 << 0)
+
+void tpm_build_ppi_acpi(TPMIf *tpm, Aml *dev);
+
 #endif /* HW_ACPI_TPM_H */