TW_COMMAND_SIZE   468 drivers/scsi/3w-9xxx.h #define TW_COMMAND_SIZE (sizeof(dma_addr_t) > 4 ? 5 : 4)
TW_COMMAND_SIZE   198 drivers/scsi/3w-sas.h #define TW_COMMAND_SIZE (sizeof(dma_addr_t) > 4 ? 6 : 4)