1 files changed, 94 insertions, 0 deletions
diff --git a/src/security/tpm/tss1.h b/src/security/tpm/tss1.h
new file mode 100644
index 0000000000..9894e80b20
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+++ b/src/security/tpm/tss1.h
@@ -0,0 +1,94 @@
+/* SPDX-License-Identifier: BSD-3-Clause */
+
+#ifndef TSS1_H_
+#define TSS1_H_
+
+#include <types.h>
+#include <vb2_sha.h>
+
+#include <security/tpm/tss/tcg-1.2/tss_structures.h>
+#include <security/tpm/tss_errors.h>
+
+/*
+ * TPM1.2-specific
+ *
+ * Some operations don't have counterparts in standard and are directly exposed
+ * here.
+ *
+ * Other operations are applicable to both TPM versions and have wrappers which
+ * pick the implementation based on version determined during initialization via
+ * tlcl_lib_init().
+ */
+
+/**
+ * Define a space with permission [perm]. [index] is the index for the space,
+ * [size] the usable data size. The TPM error code is returned.
+ */
+tpm_result_t tlcl1_define_space(uint32_t index, uint32_t perm, uint32_t size);
+
+/**
+ * Issue a PhysicalEnable. The TPM error code is returned.
+ */
+tpm_result_t tlcl1_set_enable(void);
+
+/**
+ * Issue a SetDeactivated. Pass 0 to activate. Returns result code.
+ */
+tpm_result_t tlcl1_set_deactivated(uint8_t flag);
+
+/**
+ * Get flags of interest. Pointers for flags you aren't interested in may
+ * be NULL. The TPM error code is returned.
+ */
+tpm_result_t tlcl1_get_flags(uint8_t *disable, uint8_t *deactivated, uint8_t *nvlocked);
+
+/**
+ * Perform a raw TPM request/response transaction.
+ */
+tpm_result_t tlcl1_send_receive(const uint8_t *request, uint8_t *response, int max_length);
+
+/**
+ * Run the self test in the background.
+ */
+tpm_result_t tlcl1_continue_self_test(void);
+
+/**
+ * Set the nvLocked bit.  The TPM error code is returned.
+ */
+tpm_result_t tlcl1_set_nv_locked(void);
+
+/**
+ * Get the entire set of permanent flags.
+ */
+tpm_result_t tlcl1_get_permanent_flags(TPM_PERMANENT_FLAGS *pflags);
+
+/**
+ * Set the bGlobalLock flag, which only a reboot can clear.  The TPM error
+ * code is returned.
+ */
+tpm_result_t tlcl1_set_global_lock(void);
+
+/**
+ * Get the permission bits for the NVRAM space with |index|.
+ */
+tpm_result_t tlcl1_get_permissions(uint32_t index, uint32_t *permissions);
+
+/*
+ * Declarations for "private" functions which are dispatched to by tss/tss.c
+ * based on TPM family.
+ */
+
+tpm_result_t tlcl1_save_state(void);
+tpm_result_t tlcl1_resume(void);
+tpm_result_t tlcl1_startup(void);
+tpm_result_t tlcl1_self_test_full(void);
+tpm_result_t tlcl1_read(uint32_t index, void *data, uint32_t length);
+tpm_result_t tlcl1_write(uint32_t index, const void *data, uint32_t length);
+tpm_result_t tlcl1_assert_physical_presence(void);
+tpm_result_t tlcl1_physical_presence_cmd_enable(void);
+tpm_result_t tlcl1_finalize_physical_presence(void);
+tpm_result_t tlcl1_force_clear(void);
+tpm_result_t tlcl1_extend(int pcr_num, const uint8_t *digest_data,
+			  enum vb2_hash_algorithm digest_algo);
+
+#endif /* TSS1_H_ */