---
name: "probe::scsi.iodispatching"
section: "3stap"
platform: "linux"
package: "systemtap-doc"
version: "5.1-5"
release: "Debian 13 (Trixie)"
platforms: ["linux"]
url: "https://new.carta.tech/probe::scsi.iodispatching"
---

# probe::scsi.iodispatching(3stap)

SCSI mid-layer dispatched low-level SCSI command

## NAME

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

## SYNOPSIS

```
scsi.iodispatching
```

## VALUES

*device\_state*

The current state of the device

*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)

*dev\_id*

The scsi device id

*req\_addr*

The current struct request pointer, as a number

*lun*

The lun number

*request\_buffer*

The request buffer address

*channel*

The channel number

*device\_state\_str*

The current state of the device, as a string

*request\_bufflen*

The request buffer length

*data\_direction\_str*

Data direction, as a string

*host\_no*

The host number

## SEE ALSO0

[*tapset::scsi*(3stap)](/tapset::scsi/3stap.md)