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// This file was extracted from the TCG Published
// Trusted Platform Module Library
// Part 3: Commands
// Family "2.0"
// Level 00 Revision 01.16
// October 30, 2014
#include "InternalRoutines.h"
#include "ClearControl_fp.h"
//
//
// Error Returns Meaning
//
// TPM_RC_AUTH_FAIL authorization is not properly given
//
TPM_RC
TPM2_ClearControl(
ClearControl_In *in // IN: input parameter list
)
{
TPM_RC result;
// The command needs NV update. Check if NV is available.
// A TPM_RC_NV_UNAVAILABLE or TPM_RC_NV_RATE error may be returned at
// this point
result = NvIsAvailable();
if(result != TPM_RC_SUCCESS) return result;
// Input Validation
// LockoutAuth may be used to set disableLockoutClear to TRUE but not to FALSE
if(in->auth == TPM_RH_LOCKOUT && in->disable == NO)
return TPM_RC_AUTH_FAIL;
// Internal Data Update
if(in->disable == YES)
gp.disableClear = TRUE;
else
gp.disableClear = FALSE;
// Record the change to NV
NvWriteReserved(NV_DISABLE_CLEAR, &gp.disableClear);
return TPM_RC_SUCCESS;
}
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