1 // This file was extracted from the TCG Published 2 // Trusted Platform Module Library 3 // Part 3: Commands 4 // Family "2.0" 5 // Level 00 Revision 01.16 6 // October 30, 2014 7 8 #include "InternalRoutines.h" 9 #include "NV_UndefineSpaceSpecial_fp.h" 10 // 11 // 12 // Error Returns Meaning 13 // 14 // TPM_RC_ATTRIBUTES TPMA_NV_POLICY_DELETE is not SET in the Index referenced by 15 // nvIndex 16 // 17 TPM_RC 18 TPM2_NV_UndefineSpaceSpecial( 19 NV_UndefineSpaceSpecial_In *in // IN: input parameter list 20 ) 21 { 22 TPM_RC result; 23 NV_INDEX nvIndex; 24 25 // The command needs NV update. Check if NV is available. 26 // A TPM_RC_NV_UNAVAILABLE or TPM_RC_NV_RATE error may be returned at 27 // this point 28 result = NvIsAvailable(); 29 if(result != TPM_RC_SUCCESS) 30 return result; 31 32 // Input Validation 33 34 // Get NV index info 35 NvGetIndexInfo(in->nvIndex, &nvIndex); 36 37 // This operation only applies when the TPMA_NV_POLICY_DELETE attribute is SET 38 if(CLEAR == nvIndex.publicArea.attributes.TPMA_NV_POLICY_DELETE) 39 return TPM_RC_ATTRIBUTES + RC_NV_UndefineSpaceSpecial_nvIndex; 40 41 // Internal Data Update 42 43 // Call implementation dependent internal routine to delete NV index 44 NvDeleteEntity(in->nvIndex); 45 46 return TPM_RC_SUCCESS; 47 } 48
