[PATCH v2] conf: Add support for initiator IQN setting for iSCSI hostdevs

[Ján Tomko]

On a Tuesday in 2020, Peter Krempa wrote:
>We already allow controlling the initiator IQN for iSCSI based disks.
>Add the same for host devices.
>
>Signed-off-by: Peter Krempa <pkrempa at redhat.com>
>---
>
>Rebased on top of the latest patch to convert formatdomain to rst and
>fixed 'since' tag.
>
> docs/formatdomain.rst                                        | 4 ++++
> docs/schemas/domaincommon.rng                                | 3 +++
> src/conf/domain_conf.c                                       | 5 +++++
> .../hostdev-scsi-virtio-scsi.x86_64-4.1.0.args               | 3 ++-
> .../hostdev-scsi-virtio-scsi.x86_64-latest.args              | 1 +
> tests/qemuxml2argvdata/hostdev-scsi-virtio-scsi.xml          | 3 +++
> tests/qemuxml2xmloutdata/hostdev-scsi-virtio-scsi.xml        | 3 +++
> 7 files changed, 21 insertions(+), 1 deletion(-)
>
>diff --git a/docs/formatdomain.rst b/docs/formatdomain.rst
>index a39e0c4adf..4372b79061 100644
>--- a/docs/formatdomain.rst
>+++ b/docs/formatdomain.rst
>@@ -3909,6 +3909,10 @@ or:
>       same ``name`` attribute and optionally using the ``auth`` element to
>       provide the authentication credentials to the iSCSI server.
>
>+      :since:`Since 6.7.0`, the optional ``initiator`` sub-element controls the
>+      IQN of the initiator ran by the hypervisor via it's ``<iqn name='iqn...'``

*its

Also, please add the example to the giant code block above.

>+      subelement.
>+
>    ``scsi_host``
>       :since:`Since 2.5.0` , multiple LUNs behind a single SCSI HBA are
>       described by a ``protocol`` attribute set to "vhost" and a ``wwpn``

Reviewed-by: Ján Tomko <jtomko at redhat.com>

Jano
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