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[Qemu-devel] Re: [PATCH 2/2] qdev: add command line option to set global
[Qemu-devel] Re: [PATCH 2/2] qdev: add command line option to set global defaults for properties.
Wed, 25 Nov 2009 13:55:18 +0100
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On 11/24/09 15:11, Michael S. Tsirkin wrote:
On Tue, Nov 24, 2009 at 12:06:28PM +0100, Gerd Hoffmann wrote:
This patch adds infrastructure and command line option for setting
global defaults for device properties, i.e. you can for example use
to turn off msi by default for all virtio block devices. The config
file syntax is:
driver = "virtio-blk-pci"
property = "vectors"
value = "0"
Where's this documented?
config file syntax is git-style, the details are not (yet) documented.
Easiest way to get one if you want to play with it is
"qemu <all-your-vm-options-here> -writeconfig <filename>".
Note that not all command line options are covered.
I've attached a sample to this mail. Needs a few patches sent to the
list yesterday and today to actually work though.
How would one figure out the command lines you give in
the examples above?
"info qtree" in monitor prints the device names and properties for all
devices used by the virtual machine.
"info qdm" and '-device ?' list all devices known to qemu. The device
properties are not listed there though (one of the items on my todo list).
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