HP-UX 11i June 2002 Release Notes

General System Administration and Performance Monitoring
Improved ioscan Description Field for PCI Devices
Chapter 9
176
Improved ioscan Description Field for PCI Devices
The ioscan command displays I/O devices, memory modules, and CPUs in a tabular
form for users.
Previously, PCI interface cards were listed in the ioscan output by cryptic values in the
ioscan description field. These values have been replaced by PCI device header fields
which provide a clearer description for most (common) devices. See the example provided
below.
The changes are:
• Dropped “FRU” info. When PCI drivers update the description fields (as the SCSI
interface driver c720 currently does), this gets lost anyway. For more information on
the SCSI interface driver, see “SCSI Drivers scsi3 and c720” on page 64 in Chapter 3.
• Added lookup of the class/subclass headers for most PCI specified devices (for
example, PCI Ethernet). This provides useful and correct information when a device
driver is not loaded or does not update the description.
• Dropped “PCI Bus Bridge” to shorten the CDIO description string. Epic CDIO would
result in “EPIC Bridge.” “PCItoPCI” is the name of the new CDIO for PCI-to-PCI
Bridges (PPBs).
This is the old output:
H/W Path Class Description
8 bc Pseudo Bus Converter
8/0 ba PCI Bus Bridge - GSCtoPCI
8/0/1/0 ba PCI(10110024)
8/0/1/0/4/0 lan PCI(10110019)
8/0/1/0/5/0 ext_bus Ultra Wide SCSI
8/0/1/0/5/0.1 target
8/0/1/0/5/0.1.0 disk HP C2247WD
Here’s the new output:
H/W Path Class Description
8 bc Pseudo Bus Converter
8/0 ba GSCtoPCI Bridge
8/0/1/0 ba PCItoPCI Bridge
8/0/1/0/4/0 lan PCI Ethernet (10110019)
8/0/1/0/5/0 ext_bus Ultra Wide SCSI
8/0/1/0/5/0.1 target
8/0/1/0/5/0.1.0 disk HP C2247WD
The ioscan -F option provides the same as well as additional information, separated by
colons for parsing by scripts. This remains unchanged. Scripts can (and should) continue
to use the -F option.
If scripts are parsing this output, the most significant “keys” remain the vendor/device
ID (hex digits) and “PCI” string.