MAIN_MAX_SGL_OFFSET
config->MDevMaxSGL = ossaHwRegReadExt(agRoot, pcibar, (bit32)CfgTblDWIdx + MAIN_MAX_SGL_OFFSET);
controllerInfo->maxDevices = (ossaHwRegReadExt(agRoot, pcibar, (bit32)CfgTblDWIdx + MAIN_MAX_SGL_OFFSET) & MAIN_MAX_DEV_BITS);
controllerInfo->maxSgElements = (ossaHwRegReadExt(agRoot, pcibar, (bit32)CfgTblDWIdx + MAIN_MAX_SGL_OFFSET) & MAIN_MAX_SGL_BITS);