sandbox: tpm: Support the define-space command
Add support for this command, moving away from the previous approach of
hard-coding the initial data in the driver, now that the kernel-space data
has to be set up by the higher-level vboot code.
Signed-off-by: Simon Glass <sjg@chromium.org>
diff --git a/drivers/tpm/sandbox_common.h b/drivers/tpm/sandbox_common.h
index aa5292d..e822a20 100644
--- a/drivers/tpm/sandbox_common.h
+++ b/drivers/tpm/sandbox_common.h
@@ -93,4 +93,16 @@
enum sandbox_nv_space seq, const u8 *buf, int data_ofs,
int length);
+/**
+ * sb_tpm_define_data() - Set up non-volatile data
+ *
+ * If @length is too large, an error is logged and nothing is written.
+ *
+ * @nvdata: Current nvdata state
+ * @seq: Sequence number to set up
+ * @length: Length of space in bytes
+ */
+void sb_tpm_define_data(struct nvdata_state nvdata[NV_SEQ_COUNT],
+ enum sandbox_nv_space seq, int length);
+
#endif