diff options
Diffstat (limited to 'board/cr50/tpm_nvmem_ops.h')
| -rw-r--r-- | board/cr50/tpm_nvmem_ops.h | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/board/cr50/tpm_nvmem_ops.h b/board/cr50/tpm_nvmem_ops.h index 77247e0615..d01c804c4e 100644 --- a/board/cr50/tpm_nvmem_ops.h +++ b/board/cr50/tpm_nvmem_ops.h @@ -13,8 +13,33 @@ enum tpm_read_rv { tpm_read_too_small }; +enum tpm_write_rv { + tpm_write_created, + tpm_write_updated, + tpm_write_fail +}; + +enum tpm_nv_hidden_object { + TPM_HIDDEN_U2F_KEK +}; + enum tpm_read_rv read_tpm_nvmem(uint16_t object_index, uint16_t object_size, void *obj_value); +/* + * The following functions must only be called from the TPM task, + * and only after TPM initialization is complete (specifically, + * after NvInitStatic). + */ + +enum tpm_read_rv read_tpm_nvmem_hidden(uint16_t object_index, + uint16_t object_size, + void *obj_value); + +enum tpm_write_rv write_tpm_nvmem_hidden(uint16_t object_index, + uint16_t object_size, + void *obj_value, + int commit); + #endif /* ! __EC_BOARD_CR50_TPM_NVMEM_OPS_H */ |