Bug 7665 - add GNR support for Intel PCIe gen5 NTB
Summary: add GNR support for Intel PCIe gen5 NTB
Status: NEW
Alias: None
Product: ANCK 5.10 Dev
Classification: ANCK
Component: drivers (show other bugs) drivers
Version: unspecified
Hardware: All Linux
: P3-Medium S3-normal
Target Milestone: ---
Assignee: GuixinLiu
QA Contact: shuming
URL:
Whiteboard:
Keywords:
Depends on:
Blocks:
 
Reported: 2023-11-30 11:53 UTC by zhengwu
Modified: 2023-11-30 15:13 UTC (History)
2 users (show)

See Also:

Attachments
Add an attachment (proposed patch, testcase, etc.)

Note You need to log in before you can comment on or make changes to this bug.
Description zhengwu intel_group 2023-11-30 11:53:21 UTC 
Description of problem:

ntb: intel: add GNR support for Intel PCIe gen5 NTB(PCIe Non-Transparent bridge)

Add Intel Granite Rapids NTB PCI device ID and related enabling.
Expectation is same hardware interface as Saphire Rapids Xeon platforms.

https://www.kernel.org/doc/html/v5.10/driver-api/ntb.html

The related patch has been ready in upstream.
commit a914fc529f59dcd9f59633157cf7ee70822ebcac upstream.

How reproducible:

steps to Reproduce:
1.Using NTB hardware cards for connecting two GNR.
2.set the right NTB port for matching the pcie port of NTB in BIOS.
3.Afer NTB hardware is ready, please check the following link to test NTB in Linux.
https://github.com/davejiang/linux/wiki/Intel-NTB-Startup-Guide

Actual results:

Expected results:

Additional info:
This patch need be merged to Anolis devel-5.10 for support Intel PCIe gen5 NTB in GNR.
Comment 1 小龙 admin 2023-11-30 15:13:08 UTC 
The PR Link: https://gitee.com/anolis/cloud-kernel/pulls/2476