linux-kernel - RE: [PATCH 3/3] PCI: Add pci_read

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

Date:	Tue, 29 Jul 2008 10:36:49 +0800
From:	"Zhao, Yu" <yu.zhao@...el.com>
To:	"Matthew Wilcox" <matthew@....cx>
Cc:	<linux-kernel@...r.kernel.org>, <eric@...olt.net>,
	"Matthew Wilcox" <willy@...ux.intel.com>,
	<jbarnes@...tuousgeek.org>
Subject: RE: [PATCH 3/3] PCI: Add pci_read_base() API

On Tuesday, July 29, 2008 9:50 AM, Matthew Wilcox <mailto:matthew@....cx> wrote:

> On Tue, Jul 29, 2008 at 09:22:03AM +0800, Zhao, Yu wrote:
>> Greetings,
>> 
>> It would be nice if people can have an enhanced
> pci_update_resource to update non-standard BARs probed by
> pci_read_base. 
> 
> Yes, that would be a natural addition to the API.  However, we don't
> tend to add APIs until we have a use case for them.  Do you have
> anything in the pipeline that could use this feature?  I'm quite happy
> to write the code for you if you do.

There is a new PCIe extended capability SR-IOV, which defines 6 additional BARs encapsulated inside the capability. I'm writing code to support it, and will be using your APIs to probe and update these non-standard BARs.

The SR-IOV specification can be found at:
http://www.pcisig.com/members/downloads/specifications/iov/sr-iov1.0_11Sep07.pdf

Thanks.

> 
> --
> Intel are signing my paycheques ... these opinions are still mine
> "Bill, look, we understand that you're interested in selling us this
> operating system, but compare it to ours.  We can't possibly take such
> a retrograde step."

--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/