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

NAME
probe::scsi.ioexecute - Create mid-layer SCSI request and wait for the result
SYNOPSIS
scsi.ioexecute
VALUES
channel
The channel number
dev_id
The scsi device id
device_state_str
The current state of the device, as a string
lun
The lun number
retries
Number of times to retry request
request_bufflen
The data buffer buffer length
request_buffer
The data buffer address
timeout
Request timeout in seconds
data_direction
The data_direction specifies whether this command is from/to the device.
data_direction_str
Data direction, as a string
host_no
The host number
device_state
The current state of the device
SystemTap Tapset Reference March 2016 PROBE::SCSI.IOEXEC(3stap)