1 files changed, 83 insertions, 0 deletions
diff --git a/tpm/tpm_int.h b/tpm/tpm_int.h
new file mode 100644
index 0000000000..d5358adf83
--- /dev/null
+++ b/tpm/tpm_int.h
@@ -0,0 +1,83 @@
+/*
+ * TPM configuration
+ *
+ * Copyright (C) 2011-2013 IBM Corporation
+ *
+ * Authors:
+ *  Stefan Berger    <stefanb@us.ibm.com>
+ *
+ * This work is licensed under the terms of the GNU GPL, version 2 or later.
+ * See the COPYING file in the top-level directory.
+ */
+#ifndef TPM_TPM_INT_H
+#define TPM_TPM_INT_H
+
+#include "exec/memory.h"
+#include "tpm/tpm_tis.h"
+
+struct TPMDriverOps;
+typedef struct TPMDriverOps TPMDriverOps;
+
+typedef struct TPMBackend {
+    char *id;
+    enum TpmModel fe_model;
+    char *path;
+    char *cancel_path;
+    const TPMDriverOps *ops;
+
+    QLIST_ENTRY(TPMBackend) list;
+} TPMBackend;
+
+/* overall state of the TPM interface */
+typedef struct TPMState {
+    ISADevice busdev;
+    MemoryRegion mmio;
+
+    union {
+        TPMTISEmuState tis;
+    } s;
+
+    uint8_t     locty_number;
+    TPMLocality *locty_data;
+
+    char *backend;
+    TPMBackend *be_driver;
+} TPMState;
+
+#define TPM(obj) OBJECT_CHECK(TPMState, (obj), TYPE_TPM_TIS)
+
+typedef void (TPMRecvDataCB)(TPMState *, uint8_t locty);
+
+struct TPMDriverOps {
+    enum TpmType type;
+    /* get a descriptive text of the backend to display to the user */
+    const char *(*desc)(void);
+
+    TPMBackend *(*create)(QemuOpts *opts, const char *id);
+    void (*destroy)(TPMBackend *t);
+
+    /* initialize the backend */
+    int (*init)(TPMBackend *t, TPMState *s, TPMRecvDataCB *datacb);
+    /* start up the TPM on the backend */
+    int (*startup_tpm)(TPMBackend *t);
+    /* returns true if nothing will ever answer TPM requests */
+    bool (*had_startup_error)(TPMBackend *t);
+
+    size_t (*realloc_buffer)(TPMSizedBuffer *sb);
+
+    void (*deliver_request)(TPMBackend *t);
+
+    void (*reset)(TPMBackend *t);
+
+    void (*cancel_cmd)(TPMBackend *t);
+
+    bool (*get_tpm_established_flag)(TPMBackend *t);
+};
+
+TPMBackend *qemu_find_tpm(const char *id);
+int tpm_register_model(enum TpmModel model);
+int tpm_register_driver(const TPMDriverOps *tdo);
+void tpm_display_backend_drivers(void);
+const TPMDriverOps *tpm_get_backend_driver(const char *type);
+
+#endif /* TPM_TPM_INT_H */