21 msi next item pointer register - msi_next_ptr, 286 msi next item pointer register - msi_next_ptr, Section 4.7.21, “msi next – Intel CONTROLLERS 413808 User Manual

Page 430: Item pointer register - msi_next_ptr, Intel, Bit default description

Advertising
background image

Intel

®

413808 and 413812—Messaging Unit

Intel

®

413808 and 413812 I/O Controllers in TPER Mode

Developer’s Manual

October 2007

430

Order Number: 317805-001US

4.7.21

MSI Next Item Pointer Register - MSI_Next_Ptr

The Next Item Pointer Register bits adhere to the definitions in the PCI Local Bus

Specification, Revision 2.2. This register describes the location of the next item in the

function capability list. For the 4138xx that is the PCI-X capability header at offset E0H.

Note:

Refer to the Peripheral Registers Chapter for the default internal bus address. This

register is part of the configuration space of the Address Translation Unit that is setup

as an endpoint.

Table 286. MSI Next Item Pointer Register - MSI_Next_Ptr

Bit

Default

Description

07:00

D0H

MSI_Next_ Pointer

- This field provides an offset into the function configuration space pointing to the

next item in the function capability list

PCI

IOP

Attributes

Attributes

7

4

0

ro

ro

ro

ro

ro

ro

ro

ro

ro

ro

ro

ro

ro

ro

ro

ro

Attribute Legend:

RV = Reserved

PR = Preserved

RS = Read/Set

RW = Read/Write

RC = Read Clear

RO = Read Only

NA = Not Accessible

PCI Configuration Offset

A1H

Internal Bus Address Offset

0A1H

Advertising