linux-kernel - RE: [PATCH 2/2] PCI: xilinx-cpm: Add support for Versal Net CPM5NC Root Port controller

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [day] [month] [year] [list]

Message-ID:
 <SN7PR12MB72013A4C3EE69C7DC59209098BFC2@SN7PR12MB7201.namprd12.prod.outlook.com>
Date: Wed, 12 Feb 2025 05:18:34 +0000
From: "Havalige, Thippeswamy" <thippeswamy.havalige@....com>
To: Bjorn Helgaas <helgaas@...nel.org>
CC: "bhelgaas@...gle.com" <bhelgaas@...gle.com>, "lpieralisi@...nel.org"
	<lpieralisi@...nel.org>, "kw@...ux.com" <kw@...ux.com>,
	"manivannan.sadhasivam@...aro.org" <manivannan.sadhasivam@...aro.org>,
	"robh@...nel.org" <robh@...nel.org>, "krzk+dt@...nel.org"
	<krzk+dt@...nel.org>, "conor+dt@...nel.org" <conor+dt@...nel.org>,
	"linux-pci@...r.kernel.org" <linux-pci@...r.kernel.org>,
	"devicetree@...r.kernel.org" <devicetree@...r.kernel.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>, "Simek,
 Michal" <michal.simek@....com>, "Gogada, Bharat Kumar"
	<bharat.kumar.gogada@....com>
Subject: RE: [PATCH 2/2] PCI: xilinx-cpm: Add support for Versal Net CPM5NC
 Root Port controller

Hi Bjorn,

Thank you for your response.

> -----Original Message-----
> From: Bjorn Helgaas <helgaas@...nel.org>
> Sent: Wednesday, February 12, 2025 12:21 AM
> To: Havalige, Thippeswamy <thippeswamy.havalige@....com>
> Cc: bhelgaas@...gle.com; lpieralisi@...nel.org; kw@...ux.com;
> manivannan.sadhasivam@...aro.org; robh@...nel.org; krzk+dt@...nel.org;
> conor+dt@...nel.org; linux-pci@...r.kernel.org; devicetree@...r.kernel.org;
> linux-kernel@...r.kernel.org; Simek, Michal <michal.simek@....com>;
> Gogada, Bharat Kumar <bharat.kumar.gogada@....com>
> Subject: Re: [PATCH 2/2] PCI: xilinx-cpm: Add support for Versal Net CPM5NC
> Root Port controller
> 
> On Tue, Feb 11, 2025 at 01:47:24PM +0530, Thippeswamy Havalige wrote:
> > The Versal Net ACAP (Adaptive Compute Acceleration Platform) devices
> > incorporate the Coherency and PCIe Gen5 Module, specifically the
> > Next-Generation Compact Module (CPM5NC).
> >
> > The integrated CPM5NC block, along with the built-in bridge, can function
> > as a PCIe Root Port & supports the PCIe Gen5 protocol with data transfer
> > rates of up to 32 GT/s, capable of supporting up to a x16 lane-width
> > configuration.
> >
> > Bridge errors are managed using a specific interrupt line designed for
> > CPM5N. Legacy interrupt support is not available.
> 
> I guess this means INTx support is not available?
> 
> If so, I'd like to say "INTx" instead of "legacy" to be more specific.
> Someday "MSI" may also be considered "legacy".
- Thank you, Will update it in next patch.
> 
> Bjorn