From: Akio Takebe <takebe_akio@jp.fujitsu.com>
To: "Tian, Kevin" <kevin.tian@intel.com>
Cc: xen-devel@lists.xensource.com
Subject: Re: [Q] Is qemu used when we use VTd?
Date: Fri, 12 Sep 2008 11:59:50 +0900 [thread overview]
Message-ID: <48C9DB26.3000609@jp.fujitsu.com> (raw)
In-Reply-To: <D470B4E54465E3469E2ABBC5AFAC390F024D97B9@pdsmsx412.ccr.corp.intel.com>
Hi, Kevin
Tian, Kevin wrote:
>> From: Akio Takebe [mailto:takebe_akio@jp.fujitsu.com]
>> Sent: 2008年9月11日 19:07
>>
>> Hi,
>>
>> Thank you.
>>
>> And mmio is traped by hypervisor,
>> then hypervisor do mmio instead of HVM guest, Right?
>>
>
> Which mmio are you actually talking? If you mean MMIO
> ranges in PCI BARs of passthrough device, they can be
> directly accessed by HVM with p2m entry setup accord-
> ingly, if MMIO range falls in 4k page granularity.
>
Thank you very much. I talked about MMIO ranges
in PCI BARs of pass through device using VT-d.
Does hypervisor trap only MMIO by APIC access?
Best Reards,
Akio Takebe
next prev parent reply other threads:[~2008-09-12 2:59 UTC|newest]
Thread overview: 25+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-09-11 10:46 [Q] Is qemu used when we use VTd? Akio Takebe
2008-09-11 11:00 ` pradeep singh rautela
2008-09-11 11:01 ` Tian, Kevin
2008-09-11 11:06 ` Akio Takebe
2008-09-12 2:37 ` Tian, Kevin
2008-09-12 2:59 ` Akio Takebe [this message]
2008-09-12 3:08 ` Tian, Kevin
2008-09-12 3:43 ` Akio Takebe
2008-09-11 11:12 ` Jean Guyader
2008-09-11 11:48 ` Akio Takebe
2008-09-12 2:46 ` Tian, Kevin
2008-09-12 3:25 ` Akio Takebe
2008-09-12 4:28 ` Yuji Shimada
2008-09-12 5:27 ` Akio Takebe
2008-09-22 13:47 ` Jiang, Yunhong
2008-09-24 8:24 ` Yuji Shimada
2008-09-24 8:57 ` Jiang, Yunhong
2008-09-26 4:09 ` Yuji Shimada
2008-09-26 4:36 ` Jiang, Yunhong
2008-09-29 5:05 ` Yuji Shimada
2008-10-06 2:28 ` [Q] Device error handling discussion -- Was: " Jiang, Yunhong
2008-10-14 8:33 ` Yuji Shimada
2008-10-16 7:32 ` Jiang, Yunhong
2008-10-20 7:13 ` Yuji Shimada
2008-10-23 0:21 ` Jiang, Yunhong
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