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| author | Miquel Raynal <miquel.raynal@bootlin.com> | 2018-05-15 11:57:17 +0200 |
|---|---|---|
| committer | Tom Rini <trini@konsulko.com> | 2018-05-25 20:12:58 -0400 |
| commit | 69cd8f0681f44c85365157e87dc6d36d17e3993d (patch) | |
| tree | 7ded37c544fcd23a590a5c00e13318a2e67871e4 /include/tpm-v2.h | |
| parent | 1c4ea8f496b42c5c34634d78524937476539a8bd (diff) | |
| download | u-boot-69cd8f0681f44c85365157e87dc6d36d17e3993d.tar.gz u-boot-69cd8f0681f44c85365157e87dc6d36d17e3993d.tar.bz2 u-boot-69cd8f0681f44c85365157e87dc6d36d17e3993d.zip | |
tpm: add TPM2_GetCapability command support
Add support for the TPM2_GetCapability 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 | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/include/tpm-v2.h b/include/tpm-v2.h index 2b8600a185..7c2f6e91cd 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 */ |