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      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. 2004-2006
      8  *
      9  */
     10 
     11 #ifndef _TCSEM_H_
     12 #define _TCSEM_H_
     13 
     14 struct ext_log_source {
     15         int (*open)(void *, FILE **);
     16         TSS_RESULT (*get_entries_by_pcr)(FILE *, UINT32, UINT32, UINT32 *, TSS_PCR_EVENT **);
     17         TSS_RESULT (*get_entry)(FILE *, UINT32, UINT32 *, TSS_PCR_EVENT **);
     18         int (*close)(FILE *);
     19 };
     20 
     21 struct event_wrapper {
     22 	TSS_PCR_EVENT event;
     23 	struct event_wrapper *next;
     24 };
     25 
     26 struct event_log {
     27 	MUTEX_DECLARE(lock);
     28 	struct ext_log_source *firmware_source;
     29 	struct ext_log_source *kernel_source;
     30 	struct event_wrapper **lists;
     31 };
     32 
     33 /* include the compiled-in log sources and struct references here */
     34 #include "imaem.h"
     35 #include "biosem.h"
     36 
     37 #ifdef EVLOG_SOURCE_IMA
     38 #define EVLOG_IMA_SOURCE	&ima_source
     39 #else
     40 #define EVLOG_IMA_SOURCE	NULL
     41 #endif
     42 
     43 #ifdef EVLOG_SOURCE_BIOS
     44 #define EVLOG_BIOS_SOURCE	&bios_source
     45 #else
     46 #define EVLOG_BIOS_SOURCE	NULL
     47 #endif
     48 
     49 
     50 TSS_RESULT event_log_init();
     51 TSS_RESULT event_log_final();
     52 TSS_RESULT copy_pcr_event(TSS_PCR_EVENT *, TSS_PCR_EVENT *);
     53 TSS_RESULT event_log_add(TSS_PCR_EVENT *, UINT32 *);
     54 TSS_PCR_EVENT *get_pcr_event(UINT32, UINT32);
     55 UINT32 get_num_events(UINT32);
     56 TSS_PCR_EVENT *concat_pcr_events(TSS_PCR_EVENT **, UINT32, TSS_PCR_EVENT *, UINT32);
     57 UINT32 get_pcr_event_size(TSS_PCR_EVENT *);
     58 void free_external_events(UINT32, TSS_PCR_EVENT *);
     59 
     60 extern struct event_log *tcs_event_log;
     61 
     62 #endif
     63