SATA_MAX_QUEUE_DEPTH
SATA_QDEPTH(shi) <= SATA_MAX_QUEUE_DEPTH ?
SATA_QDEPTH(shi) - 1: SATA_MAX_QUEUE_DEPTH - 1;
SATA_QDEPTH(shi) <= SATA_MAX_QUEUE_DEPTH ?
SATA_QDEPTH(shi) - 1: SATA_MAX_QUEUE_DEPTH - 1;
int sata_max_queue_depth = SATA_MAX_QUEUE_DEPTH; /* max NCQ/TCQ queue depth */