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author | David Anderson <dvander@google.com> | 2019-11-04 23:08:11 +0100 |
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committer | David Anderson <dvander@google.com> | 2019-11-09 00:22:21 +0100 |
commit | cf8427af89f47075953dad10d6ea9b848736527f (patch) | |
tree | ff5b71f4a30251ad26692cfe706e19d850c339a3 /boot_control/include | |
parent | Merge "bootloader_message: Carve out space reserved for system." (diff) | |
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Diffstat (limited to 'boot_control/include')
-rw-r--r-- | boot_control/include/libboot_control/libboot_control.h | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/boot_control/include/libboot_control/libboot_control.h b/boot_control/include/libboot_control/libboot_control.h index 34a9affe1..546865887 100644 --- a/boot_control/include/libboot_control/libboot_control.h +++ b/boot_control/include/libboot_control/libboot_control.h @@ -62,5 +62,28 @@ class BootControl { unsigned int current_slot_ = 0; }; +// Helper functions to write the Virtual A/B merge status message. These are +// separate because BootControl uses bootloader_control_ab in vendor space, +// whereas the Virtual A/B merge status is in system space. A HAL might not +// use bootloader_control_ab, but may want to use the AOSP method of maintaining +// the merge status. + +// If the Virtual A/B message has not yet been initialized, then initialize it. +// This should be called when the BootControl HAL first loads. +// +// If the Virtual A/B message in misc was already initialized, true is returned. +// If initialization was attempted, but failed, false is returned, and the HAL +// should fail to load. +bool InitMiscVirtualAbMessageIfNeeded(); + +// Save the current merge status as well as the current slot. +bool SetMiscVirtualAbMergeStatus(unsigned int current_slot, + android::hardware::boot::V1_1::MergeStatus status); + +// Return the current merge status. If the saved status is SNAPSHOTTED but the +// slot hasn't changed, the status returned will be NONE. +bool GetMiscVirtualAbMergeStatus(unsigned int current_slot, + android::hardware::boot::V1_1::MergeStatus* status); + } // namespace bootable } // namespace android |