| // 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; |
| } |