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On Fri, Sep 18, 2015 at 06:29:27PM +0200, Claudio Fontana wrote: > Hello, > > this is a first RFC for virtio-peer 0.1, which is still very much a work in progress: > > https://github.com/hw-claudio/virtio-peer/wiki > > It is also available as PDF there, but the text is reproduced here for commenting: > > Peer shared memory communication device (virtio-peer) >

On Fri, Sep 18, 2015 at 06:29:27PM +0200, Claudio Fontana wrote: > Hello, > > this is a first RFC for virtio-peer 0.1, which is still very much a work in progress: > > https://github.com/hw-claudio/virtio-peer/wiki > > It is also available as PDF there, but the text is reproduced here for commenting: > > Peer shared memory communication device (virtio-peer) >

...s is not necessary. IIUC the driver does not need to send all the stats. We can simply treat those stats as specific to Linux driver and other drivers will not send them. Then QEMU will treat them as if zero was reported. > > That is, the device by default supports > VIRTIO_F_LINUX, > VIRTIO_F_WINDOWS, > VIRTIO_F_BSD. > > For the Linux driver, only VIRTIO_F_LINUX is supported, then we can > have Linux specific driver implementations under that feature. Since there were no suggestions for similar stats on other OSes I'd say we treat the stats for buffers and caches as Linux spe...

...s is not necessary. IIUC the driver does not need to send all the stats. We can simply treat those stats as specific to Linux driver and other drivers will not send them. Then QEMU will treat them as if zero was reported. > > That is, the device by default supports > VIRTIO_F_LINUX, > VIRTIO_F_WINDOWS, > VIRTIO_F_BSD. > > For the Linux driver, only VIRTIO_F_LINUX is supported, then we can > have Linux specific driver implementations under that feature. Since there were no suggestions for similar stats on other OSes I'd say we treat the stats for buffers and caches as Linux spe...

On 18/09/2015 18:29, Claudio Fontana wrote: > The Virtio Peer shared memory communication device (virtio-peer) is a > virtual device which allows high performance low latency guest to guest > communication. It uses a new queue extension feature tentatively called > VIRTIO_F_WINDOW which indicates that descriptor tables, available and > used rings and Queue Data reside in physical

On 2015-09-21 14:13, Michael S. Tsirkin wrote: > On Fri, Sep 18, 2015 at 06:29:27PM +0200, Claudio Fontana wrote: >> Hello, >> >> this is a first RFC for virtio-peer 0.1, which is still very much a work in progress: >> >> https://github.com/hw-claudio/virtio-peer/wiki >> >> It is also available as PDF there, but the text is reproduced here for

On 18/09/2015 18:29, Claudio Fontana wrote: > The Virtio Peer shared memory communication device (virtio-peer) is a > virtual device which allows high performance low latency guest to guest > communication. It uses a new queue extension feature tentatively called > VIRTIO_F_WINDOW which indicates that descriptor tables, available and > used rings and Queue Data reside in physical

On 09.09.2015 08:40, Zhang, Yang Z wrote: > Claudio Fontana wrote on 2015-09-07: >> Coming late to the party, >> >> On 31.08.2015 16:11, Michael S. Tsirkin wrote: >>> Hello! >>> During the KVM forum, we discussed supporting virtio on top >>> of ivshmem. I have considered it, and came up with an alternative >>> that has several advantages

On 09.09.2015 08:40, Zhang, Yang Z wrote: > Claudio Fontana wrote on 2015-09-07: >> Coming late to the party, >> >> On 31.08.2015 16:11, Michael S. Tsirkin wrote: >>> Hello! >>> During the KVM forum, we discussed supporting virtio on top >>> of ivshmem. I have considered it, and came up with an alternative >>> that has several advantages

Hello, this is a first RFC for virtio-peer 0.1, which is still very much a work in progress: https://github.com/hw-claudio/virtio-peer/wiki It is also available as PDF there, but the text is reproduced here for commenting: Peer shared memory communication device (virtio-peer) General Overview (I recommend looking at the PDF for some clarifying pictures) The Virtio Peer shared memory