Increased ADW_MAX_CCB to 63 and ADW_MAX_CARRIER to 253
Print WDTR/SDTR negotiation result per target
Protect AdvISR() inside splbio()/splx() pair
Add a pending queue to keep track of all the CCBs that are being executed by the host adapter.
Rewrote timeout handler in a more efficient way:
After 3 timeout now the SCSI is resetted and all pending queues not completed are now reenqueued in the waiting queue so to get executed just after the BUS Reset (hoping that resetting the SCSI BUS and reinitializing the adapter could solve the problem).
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