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-rw-r--r--include/tpm-v2.h14
1 files changed, 14 insertions, 0 deletions
diff --git a/include/tpm-v2.h b/include/tpm-v2.h
index 2b8600a185c..7c2f6e91cdd 100644
--- a/include/tpm-v2.h
+++ b/include/tpm-v2.h
@@ -177,4 +177,18 @@ u32 tpm2_pcr_extend(u32 index, const uint8_t *digest);
u32 tpm2_pcr_read(u32 idx, unsigned int idx_min_sz, void *data,
unsigned int *updates);
+/**
+ * Issue a TPM2_GetCapability command. This implementation is limited
+ * to query property index that is 4-byte wide.
+ *
+ * @capability Partition of capabilities
+ * @property Further definition of capability, limited to be 4 bytes wide
+ * @buf Output buffer for capability information
+ * @prop_count Size of output buffer
+ *
+ * @return code of the operation
+ */
+u32 tpm2_get_capability(u32 capability, u32 property, void *buf,
+ size_t prop_count);
+
#endif /* __TPM_V2_H */