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Re: [Qemu-devel] Re: [PATCH v4 4/4] docs: Document virtio PCI -device io
From: |
Stefan Hajnoczi |
Subject: |
Re: [Qemu-devel] Re: [PATCH v4 4/4] docs: Document virtio PCI -device ioeventfd=on|off |
Date: |
Sun, 12 Dec 2010 15:07:10 +0000 |
On Sun, Dec 12, 2010 at 11:24 AM, Michael S. Tsirkin <address@hidden> wrote:
> On Wed, Nov 17, 2010 at 04:19:29PM +0000, Stefan Hajnoczi wrote:
>> Signed-off-by: Stefan Hajnoczi <address@hidden>
>> ---
>> docs/qdev-device-use.txt | 9 +++++++--
>> 1 files changed, 7 insertions(+), 2 deletions(-)
>>
>> diff --git a/docs/qdev-device-use.txt b/docs/qdev-device-use.txt
>> index f252c8e..85feda7 100644
>> --- a/docs/qdev-device-use.txt
>> +++ b/docs/qdev-device-use.txt
>> @@ -97,15 +97,17 @@ The -device argument differs in detail for each kind of
>> drive:
>>
>> * if=virtio
>>
>> - -device virtio-blk-pci,drive=DRIVE-ID,class=C,vectors=V
>> + -device
>> virtio-blk-pci,drive=DRIVE-ID,class=C,vectors=V,ioeventfd=IOEVENTFD
>>
>> This lets you control PCI device class and MSI-X vectors.
>>
>> + IOEVENTFD controls whether or not ioeventfd is used for virtqueue notify.
>> It
>> + can be set to on (default) or off.
>> +
>> As for all PCI devices, you can add bus=PCI-BUS,addr=DEVFN to
>> control the PCI device address.
>>
>> * if=pflash, if=mtd, if=sd, if=xen are not yet available with -device
>> -
>
> Intentional?
Fixed in v5.
Stefan