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| author | Miquel Raynal <miquel.raynal@bootlin.com> | 2018-05-15 11:57:16 +0200 |
|---|---|---|
| committer | Tom Rini <trini@konsulko.com> | 2018-05-25 20:12:58 -0400 |
| commit | 1c4ea8f496b42c5c34634d78524937476539a8bd (patch) | |
| tree | 19941a966f3e7a1253b8afee1f52351e8723fa8c /include/tpm-v2.h | |
| parent | 6284be5a904ef808c939c3d926ee720d1b988264 (diff) | |
| download | u-boot-1c4ea8f496b42c5c34634d78524937476539a8bd.zip u-boot-1c4ea8f496b42c5c34634d78524937476539a8bd.tar.gz u-boot-1c4ea8f496b42c5c34634d78524937476539a8bd.tar.bz2 | |
tpm: add TPM2_PCR_Read command support
Add support for the TPM2_PCR_Read command.
Change the command file and the help accordingly.
Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Tom Rini <trini@konsulko.com>
Diffstat (limited to 'include/tpm-v2.h')
| -rw-r--r-- | include/tpm-v2.h | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/include/tpm-v2.h b/include/tpm-v2.h index 25bb15a..2b8600a 100644 --- a/include/tpm-v2.h +++ b/include/tpm-v2.h @@ -164,4 +164,17 @@ u32 tpm2_clear(u32 handle, const char *pw, const ssize_t pw_sz); */ u32 tpm2_pcr_extend(u32 index, const uint8_t *digest); +/** + * Issue a TPM2_PCR_Read command. + * + * @idx Index of the PCR + * @idx_min_sz Minimum size in bytes of the pcrSelect array + * @data Output buffer for contents of the named PCR + * @updates Optional out parameter: number of updates for this PCR + * + * @return code of the operation + */ +u32 tpm2_pcr_read(u32 idx, unsigned int idx_min_sz, void *data, + unsigned int *updates); + #endif /* __TPM_V2_H */ |