DOKK / manpages / debian 11 / systemtap-doc / probe::scsi.iodispatching.3stap.en
PROBE::SCSI.IODISP(3stap) SCSI Tapset PROBE::SCSI.IODISP(3stap)

probe::scsi.iodispatching - SCSI mid-layer dispatched low-level SCSI command

scsi.iodispatching 

data_direction_str

Data direction, as a string

device_state

The current state of the device

request_buffer

The request buffer address

dev_id

The scsi device id

host_no

The host number

req_addr

The current struct request pointer, as a number

device_state_str

The current state of the device, as a string

channel

The channel number

lun

The lun number

request_bufflen

The request buffer length

data_direction

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)

tapset::scsi(3stap)

November 2020 SystemTap Tapset Reference