1 2 /* 3 * Licensed Materials - Property of IBM 4 * 5 * trousers - An open source TCG Software Stack 6 * 7 * (C) Copyright International Business Machines Corp. 2004-2007 8 * 9 */ 10 11 #include <stdlib.h> 12 #include <stdio.h> 13 #include <string.h> 14 15 #include "trousers/tss.h" 16 #include "trousers/trousers.h" 17 #include "trousers_types.h" 18 #include "spi_utils.h" 19 #include "capabilities.h" 20 #include "tsplog.h" 21 #include "obj.h" 22 23 24 TSS_RESULT Tspi_TPM_ReadCounter(TSS_HTPM hTPM,UINT32 * counterValue)25Tspi_TPM_ReadCounter(TSS_HTPM hTPM, /* in */ 26 UINT32* counterValue) /* out */ 27 { 28 TSS_HCONTEXT tspContext; 29 TCPA_RESULT result; 30 TSS_COUNTER_ID counterID; 31 TPM_COUNTER_VALUE counter_value; 32 33 if (counterValue == NULL) 34 return TSPERR(TSS_E_BAD_PARAMETER); 35 36 if ((result = obj_tpm_get_tsp_context(hTPM, &tspContext))) 37 return result; 38 39 if ((result = obj_tpm_get_current_counter(hTPM, &counterID))) 40 return result; 41 42 if ((result = TCS_API(tspContext)->ReadCounter(tspContext, counterID, &counter_value))) 43 return result; 44 45 *counterValue = counter_value.counter; 46 47 return TSS_SUCCESS; 48 } 49