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/* SPDX-License-Identifier: LGPL-2.1-or-later */
#include "tpm2-event-log.h"
#include "sort-util.h"
typedef struct tpm2_log_event_type_info {
uint32_t event_type;
const char *name;
} tpm2_log_event_type_info;
static tpm2_log_event_type_info tpm2_log_event_type_table[] = {
/* Unfortunately the types are defined all over the place, hence we are not using a dense table
* here.
*
* Keep this sorted by event type, so that we can do bisection! */
{ EV_PREBOOT_CERT, "preboot-cert" },
{ EV_POST_CODE, "post-code" },
{ EV_NO_ACTION, "no-action" },
{ EV_SEPARATOR, "separator" },
{ EV_ACTION, "action" },
{ EV_EVENT_TAG, "event-tag" },
{ EV_S_CRTM_CONTENTS, "s-crtm-contents" },
{ EV_S_CRTM_VERSION, "s-crtm-version" },
{ EV_CPU_MICROCODE, "cpu-microcode" },
{ EV_PLATFORM_CONFIG_FLAGS, "platform-config-flags" },
{ EV_TABLE_OF_DEVICES, "table-of-devices" },
{ EV_COMPACT_HASH, "compact-hash" },
{ EV_IPL, "ipl" },
{ EV_IPL_PARTITION_DATA, "ipl-partition-data" },
{ EV_NONHOST_CODE, "nonhost-code" },
{ EV_NONHOST_CONFIG, "nonhost-config" },
{ EV_NONHOST_INFO, "nonhost-info" },
{ EV_OMIT_BOOT_DEVICE_EVENTS, "omit-boot-device-events" },
/* omitting EV_EFI_EVENT_BASE, since its not an event, but just a base value for other events */
{ EV_EFI_VARIABLE_DRIVER_CONFIG, "efi-variable-driver-config" },
{ EV_EFI_VARIABLE_BOOT, "efi-variable-boot" },
{ EV_EFI_BOOT_SERVICES_APPLICATION, "efi-boot-services-application" },
{ EV_EFI_BOOT_SERVICES_DRIVER, "efi-boot-services-driver" },
{ EV_EFI_RUNTIME_SERVICES_DRIVER, "efi-runtime-services-driver" },
{ EV_EFI_GPT_EVENT, "efi-gpt-event" },
{ EV_EFI_ACTION, "efi-action" },
{ EV_EFI_PLATFORM_FIRMWARE_BLOB, "efi-platform-firmware-blob" },
{ EV_EFI_HANDOFF_TABLES, "efi-handoff-tables" },
{ EV_EFI_PLATFORM_FIRMWARE_BLOB2, "efi-platform-firmware-blob2" },
{ EV_EFI_HANDOFF_TABLES2, "efi-handoff-tables" },
{ EV_EFI_VARIABLE_BOOT2, "efi-variable-boot2" },
{ EV_EFI_HCRTM_EVENT, "efi-hcrtm-event" },
{ EV_EFI_VARIABLE_AUTHORITY, "efi-variable-authority" },
{ EV_EFI_SPDM_FIRMWARE_BLOB, "efi-spdm-firmware-blob" },
{ EV_EFI_SPDM_FIRMWARE_CONFIG, "efi-spdm-firmware-config" },
};
static int tpm2_log_event_type_info_cmp(const tpm2_log_event_type_info *a, const tpm2_log_event_type_info *b) {
return CMP(ASSERT_PTR(a)->event_type, ASSERT_PTR(b)->event_type);
}
const char *tpm2_log_event_type_to_string(uint32_t type) {
tpm2_log_event_type_info *found, key = {
.event_type = type,
};
found = typesafe_bsearch(&key, tpm2_log_event_type_table, ELEMENTSOF(tpm2_log_event_type_table), tpm2_log_event_type_info_cmp);
return found ? found->name : NULL;
}
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