From: Akio Takebe <takebe_akio@jp.fujitsu.com>
To: Yuji Shimada <shimada-yxb@necst.nec.co.jp>
Cc: xen-devel@lists.xensource.com
Subject: Re: [Q] Is qemu used when we use VTd?
Date: Fri, 12 Sep 2008 14:27:54 +0900 [thread overview]
Message-ID: <48C9FDDA.6080908@jp.fujitsu.com> (raw)
In-Reply-To: <20080912132601.6281.SHIMADA-YXB@necst.nec.co.jp>
Hi, Yuji
Yuji Shimada wrote:
>> I suspect MMCONFIG is needed to access Extended PCI
>> configuration space of PCI-Express. Probably PCI-Express card
>> can work without those access.
>> But we can't use full features of PCI-Express cards, right?
>
> Yes. For example, guest software can't use AER (Advanced Error
> Reporting).
>
> To use full features of PCI-Express, we need to implement Root Port
> emulator into qemu, in addition to MMCONFIG.
>
Thank you very much.
Best Regards,
Akio Takebe
next prev parent reply other threads:[~2008-09-12 5:27 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
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 [this message]
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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