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conf: Add target type and model for pl011

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We can finally introduce a specific target model for the pl011 device
used by mach-virt guests, which means isa-serial will no longer show
up to confuse users.

We make sure migration works in both directions by interpreting the
isa-serial target type, or the lack of target type, appropriately
when parsing the guest XML, and skipping the newly-introduced type
when formatting if for migration. We also verify that pl011 is not
used for non-mach-virt guests and add a bunch of test cases.

Resolves: https://bugzilla.redhat.com/show_bug.cgi?id=151292

Signed-off-by: Andrea Bolognani <abologna@redhat.com>
Reviewed-by: Pavel Hrdina <phrdina@redhat.com>
This commit is contained in:
Andrea Bolognani
2017-11-09 17:14:57 +01:00
parent b342e94399
commit eccdcb81fc
32 changed files with 503 additions and 8 deletions
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13
docs/formatdomain.html.in
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@@ -6547,8 +6547,9 @@ qemu-kvm -net nic,model=? /dev/null
with x86 guests), <code>usb-serial</code> (usable whenever USB support
is available) and <code>pci-serial</code> (usable whenever PCI support
is available); <span class="since">since 3.10.0</span>,
<code>spapr-vio-serial</code> (usable with ppc64/pseries guests)
is available as well.
<code>spapr-vio-serial</code> (usable with ppc64/pseries guests) and
<code>system-serial</code> (usable with aarch64/virt guests) are
available as well.
</p>
<p>
@@ -6560,7 +6561,8 @@ qemu-kvm -net nic,model=? /dev/null
target type); <code>pci-serial</code>
(usable with the <code>pci-serial</code> target type);
<code>spapr-vty</code> (usable with the <code>spapr-vio-serial</code>
target type).
target type); <code>pl011</code> (usable with the
<code>system-serial</code> target type).
</p>
<p>
@@ -6569,12 +6571,13 @@ qemu-kvm -net nic,model=? /dev/null
</p>
<p>
All of the target types support configuring the guest-visible device
Most target types support configuring the guest-visible device
address as <a href="#elementsAddress">documented above</a>; more
specifically, acceptable address types are <code>isa</code> (for
<code>isa-serial</code>), <code>usb</code> (for <code>usb-serial</code>),
<code>pci</code> (for <code>pci-serial</code>) and <code>spapr-vio</code>
(for <code>spapr-vio-serial</code>).
(for <code>spapr-vio-serial</code>). The <code>system-serial</code>
target type doesn't support specifying an address.
</p>
<p>