[Date Prev] | [Thread Prev] | [Thread Next] | [Date Next] -- [Date Index] | [Thread Index] | [List Home]
Subject: RE: [virtio-comment] Re: [PATCH 00/11] Introduce transitional mmr pci device
> From: virtio-comment@lists.oasis-open.org <virtio-comment@lists.oasis- > open.org> On Behalf Of Michael S. Tsirkin > New issue I found today: > - if guest disables MSI-X host can not disable MSI-X. > need some other channel to notify device about this. > I will look into it. > Old issues we discussed before today: > - reset needs some special handling because real hardware > can not guarantee returning 0 on the 1st read When done through the legacy MMR as we discussed, it will. > - if guest writes into mac, reusing host mac (which is RO) > will not work, need extra registers No. Again legacy interface section of MMR behaves as legacy. > - something about notification makes you want to poke > at modern notification register? which of course > is its own can of worms with VIRTIO_F_NOTIFICATION_DATA > changing the format completely. There is no NOTIFICATION_DATA with legacy. So it is not applicable. Format is same with only vq index.
[Date Prev] | [Thread Prev] | [Thread Next] | [Date Next] -- [Date Index] | [Thread Index] | [List Home]