 c5df39262d
			
		
	
	
	c5df39262d
	
	
	
		
			
			This patch retrieves the event log data from the device tree during file open. The event log data will then displayed through securityfs. Signed-off-by: Ashley Lai <adlai@us.ibm.com> Signed-off-by: Kent Yoder <key@linux.vnet.ibm.com>
		
			
				
	
	
		
			86 lines
		
	
	
	
		
			1.5 KiB
			
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			86 lines
		
	
	
	
		
			1.5 KiB
			
		
	
	
	
		
			C
		
	
	
	
	
	
| 
 | |
| #ifndef __TPM_EVENTLOG_H__
 | |
| #define __TPM_EVENTLOG_H__
 | |
| 
 | |
| #define TCG_EVENT_NAME_LEN_MAX	255
 | |
| #define MAX_TEXT_EVENT		1000	/* Max event string length */
 | |
| #define ACPI_TCPA_SIG		"TCPA"	/* 0x41504354 /'TCPA' */
 | |
| 
 | |
| enum bios_platform_class {
 | |
| 	BIOS_CLIENT = 0x00,
 | |
| 	BIOS_SERVER = 0x01,
 | |
| };
 | |
| 
 | |
| struct tpm_bios_log {
 | |
| 	void *bios_event_log;
 | |
| 	void *bios_event_log_end;
 | |
| };
 | |
| 
 | |
| struct tcpa_event {
 | |
| 	u32 pcr_index;
 | |
| 	u32 event_type;
 | |
| 	u8 pcr_value[20];	/* SHA1 */
 | |
| 	u32 event_size;
 | |
| 	u8 event_data[0];
 | |
| };
 | |
| 
 | |
| enum tcpa_event_types {
 | |
| 	PREBOOT = 0,
 | |
| 	POST_CODE,
 | |
| 	UNUSED,
 | |
| 	NO_ACTION,
 | |
| 	SEPARATOR,
 | |
| 	ACTION,
 | |
| 	EVENT_TAG,
 | |
| 	SCRTM_CONTENTS,
 | |
| 	SCRTM_VERSION,
 | |
| 	CPU_MICROCODE,
 | |
| 	PLATFORM_CONFIG_FLAGS,
 | |
| 	TABLE_OF_DEVICES,
 | |
| 	COMPACT_HASH,
 | |
| 	IPL,
 | |
| 	IPL_PARTITION_DATA,
 | |
| 	NONHOST_CODE,
 | |
| 	NONHOST_CONFIG,
 | |
| 	NONHOST_INFO,
 | |
| };
 | |
| 
 | |
| struct tcpa_pc_event {
 | |
| 	u32 event_id;
 | |
| 	u32 event_size;
 | |
| 	u8 event_data[0];
 | |
| };
 | |
| 
 | |
| enum tcpa_pc_event_ids {
 | |
| 	SMBIOS = 1,
 | |
| 	BIS_CERT,
 | |
| 	POST_BIOS_ROM,
 | |
| 	ESCD,
 | |
| 	CMOS,
 | |
| 	NVRAM,
 | |
| 	OPTION_ROM_EXEC,
 | |
| 	OPTION_ROM_CONFIG,
 | |
| 	OPTION_ROM_MICROCODE = 10,
 | |
| 	S_CRTM_VERSION,
 | |
| 	S_CRTM_CONTENTS,
 | |
| 	POST_CONTENTS,
 | |
| 	HOST_TABLE_OF_DEVICES,
 | |
| };
 | |
| 
 | |
| int read_log(struct tpm_bios_log *log);
 | |
| 
 | |
| #if defined(CONFIG_TCG_IBMVTPM) || defined(CONFIG_TCG_IBMVTPM_MODULE) || \
 | |
| 	defined(CONFIG_ACPI)
 | |
| extern struct dentry **tpm_bios_log_setup(char *);
 | |
| extern void tpm_bios_log_teardown(struct dentry **);
 | |
| #else
 | |
| static inline struct dentry **tpm_bios_log_setup(char *name)
 | |
| {
 | |
| 	return NULL;
 | |
| }
 | |
| static inline void tpm_bios_log_teardown(struct dentry **dir)
 | |
| {
 | |
| }
 | |
| #endif
 | |
| 
 | |
| #endif
 |