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>
87 lines
1.5 KiB
C
87 lines
1.5 KiB
C
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#ifndef __TPM_EVENTLOG_H__
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#define __TPM_EVENTLOG_H__
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#define TCG_EVENT_NAME_LEN_MAX 255
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#define MAX_TEXT_EVENT 1000 /* Max event string length */
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#define ACPI_TCPA_SIG "TCPA" /* 0x41504354 /'TCPA' */
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enum bios_platform_class {
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BIOS_CLIENT = 0x00,
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BIOS_SERVER = 0x01,
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};
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struct tpm_bios_log {
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void *bios_event_log;
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void *bios_event_log_end;
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};
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struct tcpa_event {
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u32 pcr_index;
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u32 event_type;
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u8 pcr_value[20]; /* SHA1 */
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u32 event_size;
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u8 event_data[0];
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};
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enum tcpa_event_types {
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PREBOOT = 0,
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POST_CODE,
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UNUSED,
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NO_ACTION,
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SEPARATOR,
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ACTION,
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EVENT_TAG,
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SCRTM_CONTENTS,
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SCRTM_VERSION,
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CPU_MICROCODE,
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PLATFORM_CONFIG_FLAGS,
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TABLE_OF_DEVICES,
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COMPACT_HASH,
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IPL,
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IPL_PARTITION_DATA,
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NONHOST_CODE,
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NONHOST_CONFIG,
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NONHOST_INFO,
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};
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struct tcpa_pc_event {
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u32 event_id;
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u32 event_size;
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u8 event_data[0];
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};
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enum tcpa_pc_event_ids {
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SMBIOS = 1,
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BIS_CERT,
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POST_BIOS_ROM,
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ESCD,
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CMOS,
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NVRAM,
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OPTION_ROM_EXEC,
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OPTION_ROM_CONFIG,
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OPTION_ROM_MICROCODE = 10,
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S_CRTM_VERSION,
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S_CRTM_CONTENTS,
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POST_CONTENTS,
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HOST_TABLE_OF_DEVICES,
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};
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int read_log(struct tpm_bios_log *log);
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#if defined(CONFIG_TCG_IBMVTPM) || defined(CONFIG_TCG_IBMVTPM_MODULE) || \
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defined(CONFIG_ACPI)
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extern struct dentry **tpm_bios_log_setup(char *);
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extern void tpm_bios_log_teardown(struct dentry **);
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#else
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static inline struct dentry **tpm_bios_log_setup(char *name)
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{
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return NULL;
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}
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static inline void tpm_bios_log_teardown(struct dentry **dir)
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{
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}
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#endif
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#endif
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