[OASIS Issue Tracker] (VIRTIO-21) PCI: New capability-based layout

[OASIS Issues Tracker <workgroup_mailer@lists.oasis-open.org>]

     [ https://tools.oasis-open.org/issues/browse/VIRTIO-21?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Michael Tsirkin updated VIRTIO-21:
----------------------------------

             Assignee:     (was: Michael Tsirkin)
    Affects Version/s: virtio 0.9.X legacy
          Description: 
A newer layout would ideally:
1) clean up the problem of the device config shifting with MSI-X
2) Remove the limit of 32 feature bits
3) Allow guests to choose their ring size
4) Allow IO or MMIO bars for different purposes.

  was:
A newer layout would ideally:
1) clean up the problem of the device config shifting with MSI-X
2) Remove the limit of 32 feature bits
3) Allow guests to choose their ring size
4) Allow IO or MMIO bars for different purposes.


             Proposal: 
http://markmail.org/search/?q=subject%3A%22%5BPATCH%20v3%5D%20pci%3A%20new%20configuration%20layout%22+list%3A%22org.oasis-open.lists.virtio%22

see additional minor changes here
http://markmail.org/search/?q=subject%3A%22%5BPATCH%200%2F2%5D%20pci%20new%20layout%3A%20minor%20tweaks%22+list%3A%22org.oasis-open.lists.virtio%22

  was:
http://markmail.org/search/?q=subject%3A%22%5BPATCH%20v3%5D%20pci%3A%20new%20configuration%20layout%22+list%3A%22org.oasis-open.lists.virtio%22

see additional minor changes here
http://markmail.org/search/?q=subject%3A%22%5BPATCH%200%2F2%5D%20pci%20new%20layout%3A%20minor%20tweaks%22+list%3A%22org.oasis-open.lists.virtio%22



> PCI: New capability-based layout
> --------------------------------
>
>                 Key: VIRTIO-21
>                 URL: https://tools.oasis-open.org/issues/browse/VIRTIO-21
>             Project: OASIS Virtual I/O Device (VIRTIO) TC
>          Issue Type: Improvement
>    Affects Versions: virtio 0.9.X legacy
>            Reporter: Rusty Russell
>             Fix For: virtio 1.0 csprd01
>
>
> A newer layout would ideally:
> 1) clean up the problem of the device config shifting with MSI-X
> 2) Remove the limit of 32 feature bits
> 3) Allow guests to choose their ring size
> 4) Allow IO or MMIO bars for different purposes.



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