[Xen-devel] Re: [PATCH] libxl: virtio-blk-pci support for FV domain

[Takeshi HASEGAWA <hasegaw@xxxxxxxxx>]

My patch threats virtio block devices with same manner with xvd, sd, and hd.
Though, I need to discuss with xen developpers whether the vbd number
assignment is reasonable or not.

I guess blktap and blkback will never handle virto block device, so assigning
(reserving) the whole range of 2 << 28 for virtio block vbd may be more better.

Actually virtio is not Xen's VBD, so vbd number is not mandatory to work.
However, I believe this approach makes virtio block manageable
in same way as xvd and others.

I am looking forward for xen developpers' opinions.


Thanks,
Takeshi

2011/05/08 14:25 "Wei Liu" <liuw@xxxxxxxxx>:
> On Sun, May 8, 2011 at 12:56 PM, Wei Liu <liuw@xxxxxxxxx> wrote:
>> Thanks, I just started working on VirtIO block support yesterday.
>>
>> I was trying to add support to parse_disk_config() so that we can
>> specify "-if" option in the config file.
>>
>> I'm wondering which approach is better -- configure through
>> device_virtdisk_matches() or parse_disk_config() .
>>
>> Any suggestions?
>
> It seems that Takeshi's approach is better.
>
> I should follow libxl's conventions.
>
> --
> Best regards
> Wei Liu
> Twitter: @iliuw
> Site: http://liuw.name

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