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s390x/s390-virtio-ccw: add zpcii-disable machine property

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The zpcii-disable machine property can be used to force-disable the use
of zPCI interpretation facilities for a VM.  By default, this setting
will be off for machine 7.2 and newer.

Signed-off-by: Matthew Rosato <mjrosato@linux.ibm.com>
Message-Id: <20220902172737.170349-9-mjrosato@linux.ibm.com>
Reviewed-by: Thomas Huth <thuth@redhat.com>
[thuth: Fix contextual conflict in ccw_machine_7_1_instance_options()]
Signed-off-by: Thomas Huth <thuth@redhat.com>
This commit is contained in:
Matthew Rosato 2022-09-02 13:27:37 -04:00 • committed by Thomas Huth
parent 9ee8f7e46a
commit 59d1ce4439
5 changed files with 39 additions and 2 deletions
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4
util/qemu-config.c
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@ -236,6 +236,10 @@ static QemuOptsList machine_opts = {
.help = "Up to 8 chars in set of [A-Za-z0-9. ](lower case chars"
" converted to upper case) to pass to machine"
" loader, boot manager, and guest kernel",
},{
.name = "zpcii-disable",
.type = QEMU_OPT_BOOL,
.help = "disable zPCI interpretation facilities",
},
{ /* End of list */ }
}