diff options
Diffstat (limited to 'firmware/include/vboot_api.h')
| -rw-r--r-- | firmware/include/vboot_api.h | 16 |
1 files changed, 13 insertions, 3 deletions
diff --git a/firmware/include/vboot_api.h b/firmware/include/vboot_api.h index 6f5aab2b..86c00215 100644 --- a/firmware/include/vboot_api.h +++ b/firmware/include/vboot_api.h @@ -263,12 +263,22 @@ VbError_t VbExTpmClose(void); VbError_t VbExTpmOpen(void); /** + * Send request to TPM and receive response + * * Send a request_length-byte request to the TPM and receive a response. On * input, response_length is the size of the response buffer in bytes. On * exit, response_length is set to the actual received response length in - * bytes. */ -VbError_t VbExTpmSendReceive(const uint8_t *request, uint32_t request_length, - uint8_t *response, uint32_t *response_length); + * bytes. + * + * @param request Pointer to request buffer + * @param request_length Number of bytes to send + * @param response Pointer to response buffer + * @param response_length Size of response buffer; on return, + * set to number of received bytes + * @return TPM_SUCCESS, or non-zero if error. + */ +uint32_t VbExTpmSendReceive(const uint8_t *request, uint32_t request_length, + uint8_t *response, uint32_t *response_length); #ifdef CHROMEOS_ENVIRONMENT |