diff options
Diffstat (limited to 'firmware/lib/tpm2_lite/marshaling.c')
| -rw-r--r-- | firmware/lib/tpm2_lite/marshaling.c | 61 |
1 files changed, 61 insertions, 0 deletions
diff --git a/firmware/lib/tpm2_lite/marshaling.c b/firmware/lib/tpm2_lite/marshaling.c index fd94a51e..42e9c401 100644 --- a/firmware/lib/tpm2_lite/marshaling.c +++ b/firmware/lib/tpm2_lite/marshaling.c @@ -265,6 +265,7 @@ static void marshal_u32(void **buffer, uint32_t value, int *buffer_space) #define unmarshal_TPM_CC(a, b) unmarshal_u32(a, b) #define marshal_TPM_HANDLE(a, b, c) marshal_u32(a, b, c) +#define marshal_TPM_SU(a, b, c) marshal_u16(a, b, c) static void marshal_session_header(void **buffer, struct tpm2_session_header *session_header, @@ -391,6 +392,46 @@ static void marshal_get_capability(void **buffer, marshal_u32(buffer, command_body->property_count, buffer_space); } +static void marshal_clear(void **buffer, + void *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); +} + +static void marshal_self_test(void **buffer, + struct tpm2_self_test_cmd *command_body, + int *buffer_space) +{ + tpm_tag = TPM_ST_NO_SESSIONS; + + marshal_u8(buffer, command_body->full_test, buffer_space); +} + +static void marshal_startup(void **buffer, + struct tpm2_startup_cmd *command_body, + int *buffer_space) +{ + tpm_tag = TPM_ST_NO_SESSIONS; + + marshal_TPM_SU(buffer, command_body->startup_type, buffer_space); +} + +static void marshal_shutdown(void **buffer, + struct tpm2_shutdown_cmd *command_body, + int *buffer_space) +{ + tpm_tag = TPM_ST_NO_SESSIONS; + + marshal_TPM_SU(buffer, command_body->shutdown_type, buffer_space); +} + int tpm_marshal_command(TPM_CC command, void *tpm_command_body, void *buffer, int buffer_size) { @@ -424,6 +465,22 @@ int tpm_marshal_command(TPM_CC command, void *tpm_command_body, marshal_get_capability(&cmd_body, tpm_command_body, &body_size); break; + case TPM2_Clear: + marshal_clear(&cmd_body, tpm_command_body, &body_size); + break; + + case TPM2_SelfTest: + marshal_self_test(&cmd_body, tpm_command_body, &body_size); + break; + + case TPM2_Startup: + marshal_startup(&cmd_body, tpm_command_body, &body_size); + break; + + case TPM2_Shutdown: + marshal_shutdown(&cmd_body, tpm_command_body, &body_size); + break; + default: body_size = -1; VBDEBUG(("%s:%d:Request to marshal unsupported command %#x\n", @@ -479,6 +536,10 @@ struct tpm2_response *tpm_unmarshal_response(TPM_CC command, case TPM2_Hierarchy_Control: case TPM2_NV_Write: case TPM2_NV_WriteLock: + case TPM2_Clear: + case TPM2_SelfTest: + case TPM2_Startup: + case TPM2_Shutdown: /* Session data included in response can be safely ignored. */ cr_size = 0; break; |