[ovirt-devel] Re: device compatibility interface for live migration with assigned devices

2020-08-30 Thread Jason Wang
On 2020/8/21 下午10:52, Cornelia Huck wrote: On Fri, 21 Aug 2020 11:14:41 +0800 Jason Wang wrote: On 2020/8/20 下午8:27, Cornelia Huck wrote: On Wed, 19 Aug 2020 17:28:38 +0800 Jason Wang wrote: On 2020/8/19 下午4:13, Yan Zhao wrote: On Wed, Aug 19, 2020 at 03:39:50PM +0800, Jason Wang

[ovirt-devel] Re: device compatibility interface for live migration with assigned devices

2020-08-20 Thread Jason Wang
On 2020/8/20 下午8:27, Cornelia Huck wrote: On Wed, 19 Aug 2020 17:28:38 +0800 Jason Wang wrote: On 2020/8/19 下午4:13, Yan Zhao wrote: On Wed, Aug 19, 2020 at 03:39:50PM +0800, Jason Wang wrote: On 2020/8/19 下午2:59, Yan Zhao wrote: On Wed, Aug 19, 2020 at 02:57:34PM +0800, Jason Wang wrote

[ovirt-devel] Re: device compatibility interface for live migration with assigned devices

2020-08-19 Thread Jason Wang
On 2020/8/19 下午1:58, Parav Pandit wrote: From: Yan Zhao Sent: Wednesday, August 19, 2020 9:01 AM On Tue, Aug 18, 2020 at 09:39:24AM +, Parav Pandit wrote: Please refer to my previous email which has more example and details. hi Parav, the example is based on a new vdpa tool running over

[ovirt-devel] Re: device compatibility interface for live migration with assigned devices

2020-08-19 Thread Jason Wang
On 2020/8/19 下午4:13, Yan Zhao wrote: On Wed, Aug 19, 2020 at 03:39:50PM +0800, Jason Wang wrote: On 2020/8/19 下午2:59, Yan Zhao wrote: On Wed, Aug 19, 2020 at 02:57:34PM +0800, Jason Wang wrote: On 2020/8/19 上午11:30, Yan Zhao wrote: hi All, could we decide that sysfs is the interface that

[ovirt-devel] Re: device compatibility interface for live migration with assigned devices

2020-08-19 Thread Jason Wang
On 2020/8/19 下午2:59, Yan Zhao wrote: On Wed, Aug 19, 2020 at 02:57:34PM +0800, Jason Wang wrote: On 2020/8/19 上午11:30, Yan Zhao wrote: hi All, could we decide that sysfs is the interface that every VFIO vendor driver needs to provide in order to support vfio live migration, otherwise the

[ovirt-devel] Re: device compatibility interface for live migration with assigned devices

2020-08-18 Thread Jason Wang
On 2020/8/19 上午11:30, Yan Zhao wrote: hi All, could we decide that sysfs is the interface that every VFIO vendor driver needs to provide in order to support vfio live migration, otherwise the userspace management tool would not list the device into the compatible list? if that's true, let's mov

[ovirt-devel] Re: device compatibility interface for live migration with assigned devices

2020-08-18 Thread Jason Wang
On 2020/8/19 下午1:26, Parav Pandit wrote: From: Jason Wang Sent: Wednesday, August 19, 2020 8:16 AM On 2020/8/18 下午5:32, Parav Pandit wrote: Hi Jason, From: Jason Wang Sent: Tuesday, August 18, 2020 2:32 PM On 2020/8/18 下午4:55, Daniel P. Berrangé wrote: On Tue, Aug 18, 2020 at 11:24

[ovirt-devel] Re: device compatibility interface for live migration with assigned devices

2020-08-18 Thread Jason Wang
On 2020/8/18 下午5:36, Cornelia Huck wrote: On Tue, 18 Aug 2020 10:16:28 +0100 Daniel P. Berrangé wrote: On Tue, Aug 18, 2020 at 05:01:51PM +0800, Jason Wang wrote: On 2020/8/18 下午4:55, Daniel P. Berrangé wrote: On Tue, Aug 18, 2020 at 11:24:30AM +0800, Jason Wang wrote: On 2020/8

[ovirt-devel] Re: device compatibility interface for live migration with assigned devices

2020-08-18 Thread Jason Wang
On 2020/8/18 下午5:32, Parav Pandit wrote: Hi Jason, From: Jason Wang Sent: Tuesday, August 18, 2020 2:32 PM On 2020/8/18 下午4:55, Daniel P. Berrangé wrote: On Tue, Aug 18, 2020 at 11:24:30AM +0800, Jason Wang wrote: On 2020/8/14 下午1:16, Yan Zhao wrote: On Thu, Aug 13, 2020 at 12:24:50PM +0800

[ovirt-devel] Re: device compatibility interface for live migration with assigned devices

2020-08-18 Thread Jason Wang
On 2020/8/18 下午5:16, Daniel P. Berrangé wrote: Your mail came through as HTML-only so all the quoting and attribution is mangled / lost now :-( My bad, sorry. On Tue, Aug 18, 2020 at 05:01:51PM +0800, Jason Wang wrote: On 2020/8/18 下午4:55, Daniel P. Berrangé wrote: On Tue, Aug 18

[ovirt-devel] Re: device compatibility interface for live migration with assigned devices

2020-08-18 Thread Jason Wang
On 2020/8/18 下午4:55, Daniel P. Berrangé wrote: On Tue, Aug 18, 2020 at 11:24:30AM +0800, Jason Wang wrote: On 2020/8/14 下午1:16, Yan Zhao wrote: On Thu, Aug 13, 2020 at 12:24:50PM +0800, Jason Wang wrote

[ovirt-devel] Re: device compatibility interface for live migration with assigned devices

2020-08-17 Thread Jason Wang
On 2020/8/14 下午1:16, Yan Zhao wrote: On Thu, Aug 13, 2020 at 12:24:50PM +0800, Jason Wang wrote: On 2020/8/10 下午3:46, Yan Zhao wrote: driver is it handled by? It looks that the devlink is for network device specific, and in devlink.h, it says include/uapi/linux/devlink.h - Network physical

[ovirt-devel] Re: device compatibility interface for live migration with assigned devices

2020-08-12 Thread Jason Wang
On 2020/8/10 下午3:46, Yan Zhao wrote: driver is it handled by? It looks that the devlink is for network device specific, and in devlink.h, it says include/uapi/linux/devlink.h - Network physical device Netlink interface, Actually not, I think there used to have some discussion last year and

[ovirt-devel] Re: device compatibility interface for live migration with assigned devices

2020-08-05 Thread Jason Wang
On 2020/8/5 下午3:56, Jiri Pirko wrote: Wed, Aug 05, 2020 at 04:41:54AM CEST, jasow...@redhat.com wrote: On 2020/8/5 上午10:16, Yan Zhao wrote: On Wed, Aug 05, 2020 at 10:22:15AM +0800, Jason Wang wrote: On 2020/8/5 上午12:35, Cornelia Huck wrote: [sorry about not chiming in earlier] On Wed, 29

[ovirt-devel] Re: device compatibility interface for live migration with assigned devices

2020-08-05 Thread Jason Wang
On 2020/8/5 上午10:16, Yan Zhao wrote: On Wed, Aug 05, 2020 at 10:22:15AM +0800, Jason Wang wrote: On 2020/8/5 上午12:35, Cornelia Huck wrote: [sorry about not chiming in earlier] On Wed, 29 Jul 2020 16:05:03 +0800 Yan Zhao wrote: On Mon, Jul 27, 2020 at 04:23:21PM -0600, Alex Williamson

[ovirt-devel] Re: device compatibility interface for live migration with assigned devices

2020-08-05 Thread Jason Wang
On 2020/8/5 上午12:35, Cornelia Huck wrote: [sorry about not chiming in earlier] On Wed, 29 Jul 2020 16:05:03 +0800 Yan Zhao wrote: On Mon, Jul 27, 2020 at 04:23:21PM -0600, Alex Williamson wrote: (...) Based on the feedback we've received, the previously proposed interface is not viable.

[ovirt-devel] Re: device compatibility interface for live migration with assigned devices

2020-07-20 Thread Jason Wang
On 2020/7/20 下午6:39, Sean Mooney wrote: On Mon, 2020-07-20 at 11:41 +0800, Jason Wang wrote: On 2020/7/18 上午12:12, Alex Williamson wrote: On Thu, 16 Jul 2020 16:32:30 +0800 Yan Zhao wrote: On Thu, Jul 16, 2020 at 12:16:26PM +0800, Jason Wang wrote: On 2020/7/14 上午7:29, Yan Zhao wrote: hi

[ovirt-devel] Re: device compatibility interface for live migration with assigned devices

2020-07-20 Thread Jason Wang
On 2020/7/18 上午12:12, Alex Williamson wrote: On Thu, 16 Jul 2020 16:32:30 +0800 Yan Zhao wrote: On Thu, Jul 16, 2020 at 12:16:26PM +0800, Jason Wang wrote: On 2020/7/14 上午7:29, Yan Zhao wrote: hi folks, we are defining a device migration compatibility interface that helps upper layer stack

[ovirt-devel] Re: device compatibility interface for live migration with assigned devices

2020-07-16 Thread Jason Wang
On 2020/7/16 下午4:32, Yan Zhao wrote: On Thu, Jul 16, 2020 at 12:16:26PM +0800, Jason Wang wrote: On 2020/7/14 上午7:29, Yan Zhao wrote: hi folks, we are defining a device migration compatibility interface that helps upper layer stack like openstack/ovirt/libvirt to check if two devices are live

[ovirt-devel] Re: device compatibility interface for live migration with assigned devices

2020-07-16 Thread Jason Wang
On 2020/7/14 上午7:29, Yan Zhao wrote: hi folks, we are defining a device migration compatibility interface that helps upper layer stack like openstack/ovirt/libvirt to check if two devices are live migration compatible. The "devices" here could be MDEVs, physical devices, or hybrid of the two. e.