MAX_QUEUE_COMM
#define MAX_COMMAND_BLOCKS_FOR_EACH_VBUS (MAX_QUEUE_COMM * (1+MAX_MEMBERS*2) + 1)
pAdapter->pbus_dmamap = (PBUS_DMAMAP)kmalloc (sizeof(struct _BUS_DMAMAP) * MAX_QUEUE_COMM, M_DEVBUF, M_NOWAIT);
memset((void *)pAdapter->pbus_dmamap, 0, sizeof(struct _BUS_DMAMAP) * MAX_QUEUE_COMM);
for (i=0; i < MAX_QUEUE_COMM; i++) {