linux-kernel - Re: [SR-IOV driver example 0/3 resend] introduction

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Message-ID: <9929d2390812021912ua5ddeafo3ae4a5759ffc4c4e@mail.gmail.com>
Date:	Tue, 2 Dec 2008 19:12:18 -0800
From:	"Jeff Kirsher" <jeffrey.t.kirsher@...el.com>
To:	"Yu Zhao" <yu.zhao@...el.com>
Cc:	"linux-pci@...r.kernel.org" <linux-pci@...r.kernel.org>,
	"greg@...ah.com" <greg@...ah.com>,
	"matthew@....cx" <matthew@....cx>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	"kvm@...r.kernel.org" <kvm@...r.kernel.org>,
	"xen-devel@...ts.xensource.com" <xen-devel@...ts.xensource.com>,
	"virtualization@...ts.linux-foundation.org" 
	<virtualization@...ts.linux-foundation.org>,
	netdev@...r.kernel.org, jun.nakajima@...el.com,
	gregory.v.rose@...el.com
Subject: Re: [SR-IOV driver example 0/3 resend] introduction

On Tue, Dec 2, 2008 at 1:27 AM, Yu Zhao <yu.zhao@...el.com> wrote:
> SR-IOV drivers of Intel 82576 NIC are available. There are two parts
> of the drivers: Physical Function driver and Virtual Function driver.
> The PF driver is based on the IGB driver and is used to control PF to
> allocate hardware specific resources and interface with the SR-IOV core.
> The VF driver is a new NIC driver that is same as the traditional PCI
> device driver. It works in both the host and the guest (Xen and KVM)
> environment.
>
> These two drivers are testing versions and they are *only* intended to
> show how to use SR-IOV API.
>
> Intel 82576 NIC specification can be found at:
> http://download.intel.com/design/network/datashts/82576_Datasheet_v2p1.pdf
>
> [SR-IOV driver example 0/3 resend] introduction
> [SR-IOV driver example 1/3 resend] PF driver: hardware specific operations
> [SR-IOV driver example 2/3 resend] PF driver: integrate with SR-IOV core
> [SR-IOV driver example 3/3 resend] VF driver: an independent PCI NIC driver
> --
>

First of all, we (e1000-devel) do support the SR-IOV API.

With that said, NAK on the driver changes.  We were not involved in
these changes and are currently working on a version of the drivers
that will make them acceptable for kernel inclusion.

-- 
Cheers,
Jeff
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