Intel RSD PCIe Information (Type 192)

Source: Intel® RSD Firmware Extension Specification Software v2.3.2 (document 337201-003US), section 3.2.

Declares a PCIe device present and enabled in the system, with its PCI identifiers and the state of its link.

Table 1. Intel RSD PCIe Information structure
Offset Version Name Length Value Description

0x00

2.0+

Type

BYTE

192

PCIe Information indicator

0x01

2.0+

Length

BYTE

Varies

Length of the structure

0x02

2.0+

Handle

WORD

Varies

0x04

2.0+

PCI Class Code

BYTE

NUMBER

PCI base class of the device, which tells its general function

0x05

2.0+

Slot Number

WORD

NUMBER

Physical number of the slot connected to the PCIe port of the device. It is the slot ID of the system slot structure (type 9) of the slot the device is in.

0x07

2.0+

Vendor ID

WORD

NUMBER

PCI vendor identifier of the device

0x09

2.0+

Device ID

WORD

NUMBER

PCI device identifier of the device

0x0B

2.0+

SubVendor ID

WORD

NUMBER

PCI subsystem vendor identifier, which tells the model of the device along with the subsystem identifier

0x0D

2.0+

SubDevice ID

WORD

NUMBER

PCI subsystem identifier, which tells the model of the device along with the subsystem vendor identifier

0x0F

2.0+

Link Speed

DWORD

NUMBER

Current speed of the link. The specification gives no unit or encoding of the value.

0x13

2.0+

Link Width

DWORD

NUMBER

Current number of the lanes of the link, e.g. 1, 2, 4, 8 or 16