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