Re: [PATCH 0 of 4] Add commands to automatically prep devices for pass-through

[George Dunlap <george.dunlap@eu.citrix.com>]

On 09/05/12 11:49, Ian Campbell wrote:
> On Wed, 2012-05-09 at 11:28 +0100, George Dunlap wrote:
>> The current method for passing through devices requires users to
>> either modify cryptic Linux boot parameters and reboot, or do a lot of
>> manual reads and writes into sysfs nodes.
>>
>> This set of patches introduces commands to make this easier.
> Is this intended for 4.2 or an RFC for 4.3?
Well, I would really like it to go in to 4.2 -- it's been on my to-do 
list for a month at least, and it will make doing pci pass-through, and 
thus driver domains, a lot more straightforward.

  -George


>
>>    It expands
>> on the concept of "assignable" (from the list_assignable_devices command).
>>
>> The new xl commands are:
>>
>> pci_assignable_add: Make a device assignable to guests.  This involves
>> unbinding the device from its old driver, creating a slot for it in
>> pciback (if necessary), and binding it to pciback.
>>
>> pci_assignable_list: List devices assignable to guests.  Just renamed
>> from pci_list_assignable.
>>
>> pci_assignable_remove: Make the device no longer assignable to guests.
>> This involves unbinding the device from pciback and removing the slot.  It
>> optionally involves rebinding the device to the driver from which we stole
>> it.
>>
>> Signed-off-by: George Dunlap<george.dunlap@eu.citrix.com>
>>
>> _______________________________________________
>> Xen-devel mailing list
>> Xen-devel@lists.xen.org
>> http://lists.xen.org/xen-devel
>