MAX_COMMAND_BLOCKS_FOR_EACH_VBUS
#define MAX_PENDING_ROUTINES (MAX_COMMAND_BLOCKS_FOR_EACH_VBUS+1)
#define MAX_IDLE_ROUTINES (MAX_COMMAND_BLOCKS_FOR_EACH_VBUS+1)
malloc(sizeof(struct _Command) * MAX_COMMAND_BLOCKS_FOR_EACH_VBUS, M_DEVBUF, M_NOWAIT);
for (i = 0; i < MAX_COMMAND_BLOCKS_FOR_EACH_VBUS; i++) {