SIOP_SCSI_COMMAND_SIZE
cmd = ALLOC(struct scsipi_generic, SIOP_SCSI_COMMAND_SIZE);
sense = ALLOC(struct scsi_request_sense, SIOP_SCSI_COMMAND_SIZE);
cmd = ALLOC(struct scsipi_generic, SIOP_SCSI_COMMAND_SIZE);
sense = ALLOC(struct scsi_request_sense, SIOP_SCSI_COMMAND_SIZE);