diff options
Diffstat (limited to 'firmware/lib/tpm2_lite/marshaling.c')
| -rw-r--r-- | firmware/lib/tpm2_lite/marshaling.c | 41 |
1 files changed, 41 insertions, 0 deletions
diff --git a/firmware/lib/tpm2_lite/marshaling.c b/firmware/lib/tpm2_lite/marshaling.c index 672ffad0..29746cd7 100644 --- a/firmware/lib/tpm2_lite/marshaling.c +++ b/firmware/lib/tpm2_lite/marshaling.c @@ -273,6 +273,36 @@ static void marshal_nv_read(void **buffer, marshal_u16(buffer, command_body->offset, buffer_space); } +static void marshal_nv_write_lock(void **buffer, + struct tpm2_nv_write_lock_cmd *command_body, + int *buffer_space) +{ + struct tpm2_session_header session_header; + + tpm_tag = TPM_ST_SESSIONS; + marshal_TPM_HANDLE(buffer, TPM_RH_PLATFORM, buffer_space); + marshal_TPM_HANDLE(buffer, command_body->nvIndex, buffer_space); + Memset(&session_header, 0, sizeof(session_header)); + session_header.session_handle = TPM_RS_PW; + marshal_session_header(buffer, &session_header, buffer_space); +} + +static void marshal_hierarchy_control(void **buffer, + struct tpm2_hierarchy_control_cmd + *command_body, + int *buffer_space) +{ + struct tpm2_session_header session_header; + + tpm_tag = TPM_ST_SESSIONS; + marshal_TPM_HANDLE(buffer, TPM_RH_PLATFORM, buffer_space); + Memset(&session_header, 0, sizeof(session_header)); + session_header.session_handle = TPM_RS_PW; + marshal_session_header(buffer, &session_header, buffer_space); + + marshal_TPM_HANDLE(buffer, command_body->enable, buffer_space); + marshal_u8(buffer, command_body->state, buffer_space); +} int tpm_marshal_command(TPM_CC command, void *tpm_command_body, void *buffer, int buffer_size) @@ -294,6 +324,15 @@ int tpm_marshal_command(TPM_CC command, void *tpm_command_body, marshal_nv_write(&cmd_body, tpm_command_body, &body_size); break; + case TPM2_NV_WriteLock: + marshal_nv_write_lock(&cmd_body, tpm_command_body, &body_size); + break; + + case TPM2_Hierarchy_Control: + marshal_hierarchy_control(&cmd_body, + tpm_command_body, &body_size); + break; + default: body_size = -1; VBDEBUG(("%s:%d:Request to marshal unsupported command %#x\n", @@ -341,7 +380,9 @@ struct tpm2_response *tpm_unmarshal_response(TPM_CC command, &tpm2_resp.nvr); break; + case TPM2_Hierarchy_Control: case TPM2_NV_Write: + case TPM2_NV_WriteLock: /* Session data included in response can be safely ignored. */ cr_size = 0; break; |