The request buffer length

The data_direction specifies whether this command is from/to the device 0 (DMA_BIDIRECTIONAL), 1 (DMA_TO_DEVICE), 2 (DMA_FROM_DEVICE), 3 (DMA_NONE)

The current struct request pointer, as a number

The scsi device id

Data direction, as a string

The host number

The lun number

The current state of the device

The channel number

The request buffer address

The current state of the device, as a string