diff options
Diffstat (limited to 'common/hardware_interface.h')
| -rw-r--r-- | common/hardware_interface.h | 45 |
1 files changed, 35 insertions, 10 deletions
diff --git a/common/hardware_interface.h b/common/hardware_interface.h index d92a6fcc..4e820f1a 100644 --- a/common/hardware_interface.h +++ b/common/hardware_interface.h @@ -25,6 +25,8 @@ #include <base/files/file_path.h> #include <base/time/time.h> +#include "update_engine/common/error_code.h" + namespace chromeos_update_engine { // The hardware interface allows access to the crossystem exposed properties, @@ -62,13 +64,9 @@ class HardwareInterface { // Returns the HWID or an empty string on error. virtual std::string GetHardwareClass() const = 0; - // Returns the firmware version or an empty string if the system is - // not running chrome os firmware. - virtual std::string GetFirmwareVersion() const = 0; - - // Returns the ec version or an empty string if the system is not - // running a custom chrome os ec. - virtual std::string GetECVersion() const = 0; + // Returns the OEM device requisition or an empty string if the system does + // not have a requisition, or if not running Chrome OS. + virtual std::string GetDeviceRequisition() const = 0; // Returns the minimum kernel key version that verified boot on Chrome OS // will allow to boot. This is the value of crossystem tpm_kernver. Returns @@ -102,9 +100,9 @@ class HardwareInterface { virtual int GetPowerwashCount() const = 0; // Signals that a powerwash (stateful partition wipe) should be performed - // after reboot. If |is_rollback| is true additional state is preserved - // during shutdown that can be restored after the powerwash. - virtual bool SchedulePowerwash(bool is_rollback) = 0; + // after reboot. If |save_rollback_data| is true additional state is + // preserved during shutdown that can be restored after the powerwash. + virtual bool SchedulePowerwash(bool save_rollback_data) = 0; // Cancel the powerwash operation scheduled to be performed on next boot. virtual bool CancelPowerwash() = 0; @@ -138,6 +136,33 @@ class HardwareInterface { // If |warm_reset| is true, sets the warm reset to indicate a warm reset is // needed on the next reboot. Otherwise, clears the flag. virtual void SetWarmReset(bool warm_reset) = 0; + + // If not reset, sets the vbmeta digest of the inactive slot as a sysprop. + // Otherwise, clears the sysprop. + virtual void SetVbmetaDigestForInactiveSlot(bool reset) = 0; + + // Return the version/timestamp for partition `partition_name`. + // Don't make any assumption about the formatting of returned string. + // Only used for logging/debugging purposes. + virtual std::string GetVersionForLogging( + const std::string& partition_name) const = 0; + + // Return true if and only if `new_version` is "newer" than the + // version number of partition `partition_name`. The notion of + // "newer" is defined by this function. Caller should not make + // any assumption about the underlying logic. + // Return: + // - kSuccess if update is valid. + // - kPayloadTimestampError if downgrade is detected + // - kDownloadManifestParseError if |new_version| has an incorrect format + // - Other error values if the source of error is known, or kError for + // a generic error on the device. + virtual ErrorCode IsPartitionUpdateValid( + const std::string& partition_name, + const std::string& new_version) const = 0; + + virtual const char* GetPartitionMountOptions( + const std::string& partition_name) const = 0; }; } // namespace chromeos_update_engine |