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tpm: Allow reporting the internal state

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It is useful to read information about the current TPM state, where
supported, e.g. for debugging purposes when verified boot fails.

Add support for this to the TPM interface as well as Cr50. Add a simple
sandbox test.

Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Ilias Apalodimas <ilias.apalodimas@linaro.org>
Signed-off-by: Ilias Apalodimas <ilias.apalodimas@linaro.org>
This commit is contained in:
Simon Glass 2022-08-30 21:05:36 -06:00 • committed by Ilias Apalodimas
parent 6694c997b2
commit 3bb4db4c38
8 changed files with 101 additions and 0 deletions
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2
cmd/tpm-user-utils.h
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@ -21,6 +21,8 @@ int do_tpm_device(struct cmd_tbl *cmdtp, int flag, int argc,
char *const argv[]);
int do_tpm_init(struct cmd_tbl *cmdtp, int flag, int argc, char *const argv[]);
int do_tpm_info(struct cmd_tbl *cmdtp, int flag, int argc, char *const argv[]);
int do_tpm_report_state(struct cmd_tbl *cmdtp, int flag, int argc,
char *const argv[]);
int do_tpm(struct cmd_tbl *cmdtp, int flag, int argc, char *const argv[]);
#endif /* __TPM_USER_UTILS_H */