<!--
Copyright 2023 The Chromium Authors
Use of this source code is governed by a BSD-style license that can be
found in the LICENSE file.
-->
<!--
This file describes the enumerations referenced by entries in histograms.xml for
this directory. Some enums may instead be listed in the central enums.xml file
at src/tools/metrics/histograms/enums.xml when multiple files use them.
For best practices on writing enumerations descriptions, see
https://chromium.googlesource.com/chromium/src.git/+/HEAD/tools/metrics/histograms/README.md#Enum-Histograms
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-->
<histogram-configuration>
<!-- Enum types -->
<enums>
<enum name="ChromeOSBiosType">
<int value="0" label="kUnknown"/>
<int value="1" label="kSecure"/>
<int value="2" label="kUBoot"/>
<int value="3" label="kLegacy"/>
<int value="4" label="kEFI"/>
</enum>
<enum name="ChromeOSEfiManagementEvent">
<int value="0" label="RequiredEntryManagementFailed"/>
<int value="1" label="OptionalEntryManagementFailed"/>
</enum>
<enum name="ChromeOSRecoveryReason">
<summary>
Reason for entering Recovery Mode. See
platform/vboot_reference/firmware/2lib/include/2recovery_reasons.h
</summary>
<int value="0" label="Recovery not requested."/>
<int value="1" label="Recovery requested from legacy utility."/>
<int value="2" label="User manually requested recovery via recovery button"/>
<int value="3"
label="RW firmware failed signature check (neither RW firmware slot was
valid)"/>
<int value="4" label="S3 resume failed"/>
<int value="5" label="TPM error in read-only firmware (deprecated)"/>
<int value="6" label="Shared data error in read-only firmware"/>
<int value="7" label="Test error from S3Resume()"/>
<int value="8" label="Test error from LoadFirmwareSetup() (deprecated)"/>
<int value="9" label="Test error from LoadFirmware() (deprecated)"/>
<int value="19"
label="Latest tried RW firmware keyblock verification failed"/>
<int value="20" label="Latest tried RW firmware key version too old"/>
<int value="22"
label="Latest tried RW firmware preamble verification failed"/>
<int value="23" label="Latest tried RW firmware version too old"/>
<int value="27" label="Latest tried RW firmware body verification failed"/>
<int value="32"
label="Firmware boot failure outside of verified boot (RAM init,
missing SSD, etc.)."/>
<int value="33"
label="Recovery mode TPM initialization requires a system reboot. The
system was already in recovery mode for some other reason when
this happened."/>
<int value="34" label="EC software sync - other error"/>
<int value="35"
label="EC software sync - unable to determine active EC image"/>
<int value="36"
label="EC software sync - error obtaining EC image hash (deprecated)"/>
<int value="37" label="EC software sync - error obtaining expected EC image"/>
<int value="38" label="EC software sync - error updating EC"/>
<int value="39" label="EC software sync - unable to jump to EC-RW"/>
<int value="40"
label="EC software sync - unable to protect / unprotect EC-RW"/>
<int value="41" label="EC software sync - error obtaining expected EC hash"/>
<int value="42"
label="EC software sync - expected EC image doesn't match hash"/>
<int value="43" label="Secure data inititalization error"/>
<int value="44" label="GBB header is bad"/>
<int value="45" label="Unable to clear TPM owner"/>
<int value="46" label="Error determining/updating virtual dev switch"/>
<int value="47" label="Error determining firmware slot"/>
<int value="63" label="Unspecified/unknown error in read-only firmware"/>
<int value="65"
label="User manually requested recovery by pressing a key at developer
warning screen"/>
<int value="66" label="No OS kernel detected"/>
<int value="67" label="OS kernel failed signature check"/>
<int value="68" label="TPM error in rewritable firmware (deprecated)"/>
<int value="69" label="RW firmware in dev mode, but dev switch is off"/>
<int value="70" label="Shared data error in rewritable firmware"/>
<int value="71" label="Test error from LoadKernel()"/>
<int value="72" label="No bootable disk found (deprecated)"/>
<int value="73"
label="Rebooting did not correct TPM_E_FAIL or TPM_E_FAILEDSELFTEST"/>
<int value="80" label="TPM setup error in read-only firmware"/>
<int value="81" label="TPM write error in read-only firmware"/>
<int value="82" label="TPM lock error in read-only firmware"/>
<int value="83" label="TPM update error in read-only firmware"/>
<int value="84" label="TPM read error in rewritable firmware"/>
<int value="85" label="TPM write error in rewritable firmware"/>
<int value="86" label="TPM lock error in rewritable firmware"/>
<int value="87" label="EC software sync unable to get EC image hash"/>
<int value="88" label="EC software sync invalid image hash size"/>
<int value="89" label="Unspecified error while trying to load kernel"/>
<int value="90" label="No bootable storage device in system"/>
<int value="91" label="No bootable kernel found on disk"/>
<int value="92" label="BCB related error in RW firmware"/>
<int value="93" label="Secure data inititalization error 0"/>
<int value="94" label="Fastboot mode requested in firmware"/>
<int value="95" label="Recovery hash space lock error in RO firmware"/>
<int value="127" label="Unspecified/unknown error in rewritable firmware"/>
<int value="129" label="DM-verity error"/>
<int value="143" label="Unspecified/unknown error in kernel."/>
<int value="191" label="Unspecified/unknown error in kernel"/>
<int value="193" label="Recovery mode test from user-mode"/>
<int value="194" label="Recovery requested by user-mode via BCB"/>
<int value="195" label="Fastboot mode requested by user-mode"/>
<int value="196"
label="User requested recovery for training memory and rebooting."/>
<int value="200" label="User requested network based recovery"/>
<int value="255" label="Unspecified/unknown error in user-mode"/>
</enum>
<enum name="ChromeOSRevenPartitionMigration">
<int value="0" label="kSuccess"/>
<int value="1" label="kNoMigrationNeeded"/>
<int value="2" label="kGptReadKernError"/>
<int value="3" label="kGptReadRootError"/>
<int value="4" label="kGptWriteKernError"/>
<int value="5" label="kGptWriteRootError"/>
<int value="6" label="kDiskOpenError"/>
<int value="7" label="kDiskReadError"/>
<int value="8" label="kDiskWriteError"/>
<int value="9" label="kRootPartitionUnexpectedSize"/>
<int value="10" label="kMigrationNotAllowed"/>
</enum>
</enums>
</histogram-configuration>
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