Provided by: systemtap-doc_2.3-1ubuntu1.4_all 

NAME
probe::scsi.iodone - SCSI command completed by low level driver and enqueued into the done queue.
SYNOPSIS
scsi.iodone
VALUES
scsi_timer_pending
1 if a timer is pending on this request
host_no
The host number
req_addr
The current struct request pointer, as a number
data_direction_str
Data direction, as a string
device_state
The current state of the device
lun
The lun number
device_state_str
The current state of the device, as a string
dev_id
The scsi device id
channel
The channel number
data_direction
The data_direction specifies whether this command is from/to the device.
SystemTap Tapset Reference March 2016 PROBE::SCSI.IODONE(3stap)