Re: [PATCH v2 1/4] vhost-user.rst: Migrating back-end-internal state

2023-07-20 Thread Stefan Hajnoczi
On Wed, 19 Jul 2023 at 12:35, Hanna Czenczek wrote: > > On 18.07.23 17:57, Stefan Hajnoczi wrote: > > On Wed, Jul 12, 2023 at 01:16:59PM +0200, Hanna Czenczek wrote: > >> For vhost-user devices, qemu can migrate the virtio state, but not the > >> back-end's internal state. To do so, we need to be

Re: [Virtio-fs] [PATCH v2 1/4] vhost-user.rst: Migrating back-end-internal state

2023-07-20 Thread Hanna Czenczek
On 18.07.23 18:12, Stefan Hajnoczi wrote: On Wed, Jul 12, 2023 at 01:16:59PM +0200, Hanna Czenczek wrote: @@ -1471,6 +1511,53 @@ Front-end message types before. The back-end must again begin processing rings that are not stopped, and it may resume background operations. +``VHOST_USER

Re: [PATCH v2 1/4] vhost-user.rst: Migrating back-end-internal state

2023-07-19 Thread Hanna Czenczek
On 18.07.23 17:57, Stefan Hajnoczi wrote: On Wed, Jul 12, 2023 at 01:16:59PM +0200, Hanna Czenczek wrote: For vhost-user devices, qemu can migrate the virtio state, but not the back-end's internal state. To do so, we need to be able to transfer this internal state between front-end (qemu) and b

Re: [PATCH v2 1/4] vhost-user.rst: Migrating back-end-internal state

2023-07-18 Thread Stefan Hajnoczi
On Wed, Jul 12, 2023 at 01:16:59PM +0200, Hanna Czenczek wrote: > @@ -1471,6 +1511,53 @@ Front-end message types >before. The back-end must again begin processing rings that are not >stopped, and it may resume background operations. > > +``VHOST_USER_SET_DEVICE_STATE_FD`` > + :id: 43 >

Re: [PATCH v2 1/4] vhost-user.rst: Migrating back-end-internal state

2023-07-18 Thread Stefan Hajnoczi
On Wed, Jul 12, 2023 at 01:16:59PM +0200, Hanna Czenczek wrote: > For vhost-user devices, qemu can migrate the virtio state, but not the > back-end's internal state. To do so, we need to be able to transfer > this internal state between front-end (qemu) and back-end. > > At this point, this new f

[PATCH v2 1/4] vhost-user.rst: Migrating back-end-internal state

2023-07-12 Thread Hanna Czenczek
For vhost-user devices, qemu can migrate the virtio state, but not the back-end's internal state. To do so, we need to be able to transfer this internal state between front-end (qemu) and back-end. At this point, this new feature is added for the purpose of virtio-fs migration. Because virtiofsd