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From: Tim Deegan <tim@xen.org>
To: Santosh Jodh <Santosh.Jodh@citrix.com>
Cc: "Nakajima, Jun" <jun.nakajima@intel.com>,
	"xiantao.zhang@intel.com" <xiantao.zhang@intel.com>,
	"xen-devel@lists.xen.org" <xen-devel@lists.xen.org>
Subject: Re: Superpages for VT-D
Date: Thu, 2 Aug 2012 12:11:02 +0100	[thread overview]
Message-ID: <20120802111102.GE11437@ocelot.phlegethon.org> (raw)
In-Reply-To: <7914B38A4445B34AA16EB9F1352942F1012F0DE66157@SJCPMAILBOX01.citrite.net>

At 13:44 -0700 on 31 Jul (1343742260), Santosh Jodh wrote:
> I am going to try to add this support. 
> 
> It looks like a new iommu_ops handler would be needed that would do
> the actual work of dumping the entries - one for AMD and one for
> Intel. Am I reading this correctly?

I think that's correct.

> Or is it better to get the root_table + paging_mode (for AMD) and
> pgd_maddr + agaw (for Intel) and then do a generic dump?

No; the iommu tabels are sufficiebntly arch-specific that it's best to
add arch-specific dump routines.

Cheers,

Tim.

  reply	other threads:[~2012-08-02 11:11 UTC|newest]

Thread overview: 11+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2012-07-13 16:18 Superpages for VT-D Santosh Jodh
2012-07-19 10:23 ` Tim Deegan
2012-07-19 14:01   ` Santosh Jodh
2012-07-19 14:53     ` Tim Deegan
2012-07-20 21:38       ` Nakajima, Jun
2012-07-23 17:56         ` Santosh Jodh
2012-07-24 19:41           ` Tim Deegan
2012-07-31 20:44             ` Santosh Jodh
2012-08-02 11:11               ` Tim Deegan [this message]
2012-08-02 15:56                 ` Santosh Jodh
2012-08-03 11:40                   ` Tim Deegan

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