[libvirt PATCH 0/7] Accumulated mdev fixes

Michal Prívozník mprivozn at redhat.com
Mon Jul 26 14:47:12 UTC 2021


On 7/23/21 6:40 PM, Jonathon Jongsma wrote:
> These patches fix a couple of outstanding issues with mdev support. These include:
> 
>  1. output proper xml for the mdev parent device when run under the test suite
>  2. mdevctl allows multiple devices with the same UUID (but different parents),
>     so we have to be prepared to handle this. This also requires a change in
>     nodedev name for mdev devices. From 'mdev_$UUID' to 'mdev_$UUID_$PARENTADDR'
>  3. validate input xml when defining or creating mdevs (e.g. ensure we have a
>     proper parent device)
> 
>  This patch obsoletes the previous patch titled "nodedev: Handle inactive mdevs
>  with the same UUID"
> 
> Jonathon Jongsma (7):
>   nodedev: add internal virNodeDeviceObjListFind()
>   nodedev: fix xml output for mdev parents in test suite
>   nodedev: cache parent address in mdev caps
>   nodedev: Add parser validation for node devices
>   nodedev: add PostParse callback for nodedev parsing
>   nodedev: Handle inactive mdevs with the same UUID
>   nodedev: look up mdevs by UUID and parent
> 
>  src/conf/node_device_conf.c                   |  37 +++-
>  src/conf/node_device_conf.h                   |  21 +-
>  src/conf/virnodedeviceobj.c                   |  71 +++++--
>  src/conf/virnodedeviceobj.h                   |  15 +-
>  src/hypervisor/domain_driver.c                |   7 +-
>  src/libvirt_private.syms                      |   1 +
>  src/node_device/node_device_driver.c          | 182 ++++++++++++++----
>  src/node_device/node_device_driver.h          |   6 +
>  src/node_device/node_device_udev.c            |  21 +-
>  src/test/test_driver.c                        |   6 +-
>  .../mdevctl-list-multiple.out.xml             |  16 +-
>  tests/nodedevmdevctltest.c                    |  36 +++-
>  tests/nodedevxml2xmltest.c                    |   3 +-
>  13 files changed, 338 insertions(+), 84 deletions(-)
> 

If my assumption in 6/7 is correct and we don't break API by changing
the name for MDEVs then:

Reviewed-by: Michal Privoznik <mprivozn at redhat.com>

Michal




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