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Subject: Re: [RFC PATCH v2 1/2] Add virtio Admin Virtqueue specification
On 8/2/2021 5:34 PM, Cornelia Huck wrote:
On Mon, Aug 02 2021, Stefan Hajnoczi <stefanha@redhat.com> wrote:On Sun, Aug 01, 2021 at 02:46:13AM +0300, Max Gurtovoy wrote:On 8/1/2021 1:17 AM, Michael S. Tsirkin wrote:On Sat, Jul 31, 2021 at 02:53:45PM +0300, Max Gurtovoy wrote:On 7/30/2021 10:36 AM, Michael S. Tsirkin wrote:On Thu, Jul 29, 2021 at 05:51:07PM +0300, Max Gurtovoy wrote:On 7/28/2021 3:48 PM, Michael S. Tsirkin wrote:On Mon, Jul 26, 2021 at 07:52:53PM +0300, Max Gurtovoy wrote:Admin virtqueues will be used to send administrative commands to manipulate various features of the device which would not easily map into the configuration space. The same Admin command format will be used for all virtio devices. The Admin command set will include 4 types of command classes: 1. The generic common class 2. The transport specific class 3. The device specific class 4. The vendor specific class The above mechanism will enable adding various features to the virtio specification, e.g.: 1. Format virtio-blk devices in various configurations (512B block size, 512B + 8B T10-DIF, 4K block size, 4k + 8B T10-DIF, etc..). 2. Live migration management. 3. Encrypt/Decrypt descriptors. 4. Virtualization management. 5. Get device error logs. 6. Implement advanced vendor/device/transport specific features. 7. Run device health test. 8. More.I still don't really see what do all these things have in common?I don't think you need to look on this in that direction. This is a queue for administration. Cornelia and Stefan already agreed on this approach.We're discussing these patches and I'm trying to understand what you're proposing. It's a bit early to say I've agreed to anything.For the record, same for me.
didn't you agree on admin q approach ? I'm not talking about the command set.
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