MAIN_MAX_OUTSTANDING_IO_OFFSET
config->MaxOutstandingIO = ossaHwRegReadExt(agRoot, pcibar, (bit32)CfgTblDWIdx + MAIN_MAX_OUTSTANDING_IO_OFFSET);
controllerInfo->maxPendingIO = ossaHwRegReadExt(agRoot, pcibar, (bit32)CfgTblDWIdx + MAIN_MAX_OUTSTANDING_IO_OFFSET);