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path: root/drivers/char/tpm/tpm_eventlog.h
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Diffstat (limited to 'drivers/char/tpm/tpm_eventlog.h')
-rw-r--r--drivers/char/tpm/tpm_eventlog.h86
1 files changed, 86 insertions, 0 deletions
diff --git a/drivers/char/tpm/tpm_eventlog.h b/drivers/char/tpm/tpm_eventlog.h
new file mode 100644
index 000000000000..e7da086d6928
--- /dev/null
+++ b/drivers/char/tpm/tpm_eventlog.h
@@ -0,0 +1,86 @@
+
+#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