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[libvirt] [PATCH v3 0/4] Fix a couple issues found w/ vHBA logic

v2: https://www.redhat.com/archives/libvir-list/2017-July/msg00661.html

Changes since v2:

 * Patch 1 - make the requested logic adjustment

 * Patch 2 - no change

 * Patch 3 - make this *just* the check that the provided @parent_name
             is a valid fc_host (whether it's vHBA or HBA).

 * Patch 4 - Alter the checkParent logic to cause a failure if the
             passed @name (from the wwnn/wwpn's provided) are for an
             HBA instead of a vHBA. Make this an invalid configuration.
             Modify the docs to describe that the provided wwnn/wwpn
             must be for an existing vHBA, are to be used to create a
             vHBA, but cannot be from an existing HBA.

             NB: No change to the Destroy code since it's possible one
             of these exists and there needs to be a way to shut it down.

             The failure could turn into a "conversion" of sorts as well
             by changing the type to 'scsi_host', saving the generated
             scsi_host name, removing the parent and wwnn & wwpn fields.

Tested using my vHBA system with various valid and invalid configurations.

John Ferlan (4):
  storage: Fix existing parent check for vHBA creation
  storage: Remove @conn from virNodeDeviceCreateVport
  storage: Check if provided parent is vHBA capable
  storage: Disallow usage of the HBA for a fc_host backing

 docs/formatstorage.html.in         | 27 ++++++-----
 src/conf/node_device_conf.c        | 63 ++-----------------------
 src/conf/node_device_conf.h        |  3 +-
 src/storage/storage_backend_scsi.c | 94 +++++++++++++++++++++++++++++++++++++-
 4 files changed, 112 insertions(+), 75 deletions(-)


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