ODPK entry for OSA-Express QDIO or HiperSockets packets (Part 1)

Entry:

ODPK

VIT option:

CIA

Event:

Inbound or outbound data

VIT processing module:

ISTITCOD

Control is returned to:

ISTLLCHI, ISTLLCIE, ITSLLCWI, IUTLLCIZ

This trace record is written when packets are read from or written to an OSA-Express QDIO or HiperSockets™ adapter.

Byte (hex)

Contents

00–03

Record ID: C"ODPK"

04

ID is the primary address space ID (ASID). This field is 0 if the ASID is greater than X'FF'.

05

Device type:

• If byte 6 is C"R":
  • C"I" for HiperSockets (iQDIO)
  • C"Q" for QDIO
• Else:
  • C"*" when device type is not applicable

06

Direction:

• C"D" for discarded
• C"I" for inbound
• C"O" for outbound
• C"R" for routed (accelerated), outbound

07

Write queue priority/Read queue identifier/0

• if byte 6 is C"D"
  • 0
• if byte 6 is C"I"
  • Read queue identifier
• if byte 6 is C"O" or C"R"
  • Write queue priority

08–0B

ShortPAC address

0C–0F

DINCB address

10–13

XBUFLST entry address

14

0

15

SBAL index

16

Start SBALE index (within SBAL)

17

End SBALE index (within SBAL)

18–19

Total length of packet

1A–1B

Module identifier for the module that issued the INTRACE.

1C–1F

Request parameter header (RPH) address.