security/tpm/tss: Add ClearControl Function
Add ClearControl Function which is needed for a follow-up patch.
Change-Id: Ia19185528fd821e420b0bdb424760c93b79523a4
Signed-off-by: Christian Walter <christian.walter@9elements.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/38617
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Philipp Deppenwiese <zaolin.daisuki@gmail.com>
diff --git a/src/security/tpm/tss/tcg-2.0/tss_marshaling.c b/src/security/tpm/tss/tcg-2.0/tss_marshaling.c
index 48798c7..45ade1a 100644
--- a/src/security/tpm/tss/tcg-2.0/tss_marshaling.c
+++ b/src/security/tpm/tss/tcg-2.0/tss_marshaling.c
@@ -281,6 +281,24 @@
return rc;
}
+static int marshal_clear_control(struct obuf *ob,
+ struct tpm2_clear_control_cmd *command_body)
+{
+ int rc = 0;
+ struct tpm2_session_header session_header;
+
+ tpm_tag = TPM_ST_SESSIONS;
+
+ rc |= marshal_TPM_HANDLE(ob, TPM_RH_PLATFORM);
+ memset(&session_header, 0, sizeof(session_header));
+ session_header.session_handle = TPM_RS_PW;
+ rc |= marshal_session_header(ob, &session_header);
+
+ rc |= obuf_write_be8(ob, command_body->disable);
+
+ return rc;
+}
+
static int marshal_cr50_vendor_command(struct obuf *ob, void *command_body)
{
int rc = 0;
@@ -383,6 +401,10 @@
rc |= marshal_hierarchy_control(ob, tpm_command_body);
break;
+ case TPM2_ClearControl:
+ rc |= marshal_clear_control(ob, tpm_command_body);
+ break;
+
case TPM2_Clear:
rc |= marshal_clear(ob);
break;
@@ -583,6 +605,7 @@
case TPM2_Hierarchy_Control:
case TPM2_Clear:
+ case TPM2_ClearControl:
case TPM2_NV_DefineSpace:
case TPM2_NV_Write:
case TPM2_NV_WriteLock: