KernelVersion: 6.19
Contact: Jeff Hugo <jeff.hugo@oss.qualcomm.com>
Description: Represents the current state of DMA Bridge channel (DBC). Below are the possible
- states,
- IDLE (0) - DBC is free and can be activated
- ASSIGNED (1) - DBC is activated and a workload is running on device
- BEFORE_SHUTDOWN (2) - Sub-system associated with this workload has crashed and
+ states:
+
+ =================== ==========================================================
+ IDLE (0) DBC is free and can be activated
+ ASSIGNED (1) DBC is activated and a workload is running on device
+ BEFORE_SHUTDOWN (2) Sub-system associated with this workload has crashed and
it will shutdown soon
- AFTER_SHUTDOWN (3) - Sub-system associated with this workload has crashed and
+ AFTER_SHUTDOWN (3) Sub-system associated with this workload has crashed and
it has shutdown
- BEFORE_POWER_UP (4) - Sub-system associated with this workload is shutdown and
+ BEFORE_POWER_UP (4) Sub-system associated with this workload is shutdown and
it will be powered up soon
- AFTER_POWER_UP (5) - Sub-system associated with this workload is now powered up
+ AFTER_POWER_UP (5) Sub-system associated with this workload is now powered up
+ =================== ==========================================================
Users: Any userspace application or clients interested in DBC state.