What:		/sys/bus/pci/drivers/qaic/XXXX:XX:XX.X/accel/accel<minor_nr>/dbc<N>_state
Date:		October 2025
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
					it will shutdown soon
		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
					it will be powered up soon
		AFTER_POWER_UP (5)	Sub-system associated with this workload is now powered up
		===================	==========================================================
Users:		Any userspace application or clients interested in DBC state.