tcsem.h revision 1.1.1.1.4.2 
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
14struct 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
21struct event_wrapper {
22	TSS_PCR_EVENT event;
23	struct event_wrapper *next;
24};
25
26struct 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
50TSS_RESULT event_log_init();
51TSS_RESULT event_log_final();
52TSS_RESULT copy_pcr_event(TSS_PCR_EVENT *, TSS_PCR_EVENT *);
53TSS_RESULT event_log_add(TSS_PCR_EVENT *, UINT32 *);
54TSS_PCR_EVENT *get_pcr_event(UINT32, UINT32);
55UINT32 get_num_events(UINT32);
56TSS_PCR_EVENT *concat_pcr_events(TSS_PCR_EVENT **, UINT32, TSS_PCR_EVENT *, UINT32);
57UINT32 get_pcr_event_size(TSS_PCR_EVENT *);
58void free_external_events(UINT32, TSS_PCR_EVENT *);
59
60extern struct event_log *tcs_event_log;
61
62#endif
63