[libvirt] [PATCH 4/6] qemu: Implement startupPolicy for USB passed through devices
Daniel P. Berrange
berrange at redhat.com
Wed Oct 10 15:39:06 UTC 2012
On Tue, Oct 09, 2012 at 02:13:25PM +0200, Jiri Denemark wrote:
> ---
> src/qemu/qemu_cgroup.c | 2 ++
> src/qemu/qemu_command.c | 20 +++++++++++++++-----
> src/qemu/qemu_hostdev.c | 20 +++++++++++++++-----
> src/qemu/qemu_hostdev.h | 3 ++-
> src/qemu/qemu_process.c | 2 +-
> 5 files changed, 35 insertions(+), 12 deletions(-)
>
> diff --git a/src/qemu/qemu_command.c b/src/qemu/qemu_command.c
> index 09f412e..d590df6 100644
> --- a/src/qemu/qemu_command.c
> +++ b/src/qemu/qemu_command.c
> @@ -3507,17 +3507,21 @@ qemuBuildUSBHostdevDevStr(virDomainHostdevDefPtr dev,
> {
> virBuffer buf = VIR_BUFFER_INITIALIZER;
>
> - if (!dev->source.subsys.u.usb.bus &&
> + if (!dev->missing &&
> + !dev->source.subsys.u.usb.bus &&
> !dev->source.subsys.u.usb.device) {
> virReportError(VIR_ERR_INTERNAL_ERROR, "%s",
> _("USB host device is missing bus/device information"));
> return NULL;
> }
>
> - virBufferAsprintf(&buf, "usb-host,hostbus=%d,hostaddr=%d,id=%s",
> - dev->source.subsys.u.usb.bus,
> - dev->source.subsys.u.usb.device,
> - dev->info->alias);
> + virBufferAddLit(&buf, "usb-host");
> + if (!dev->missing) {
> + virBufferAsprintf(&buf, ",hostbus=%d,hostaddr=%d",
> + dev->source.subsys.u.usb.bus,
> + dev->source.subsys.u.usb.device);
> + }
> + virBufferAsprintf(&buf, ",id=%s", dev->info->alias);
I'm curious about this - it will result in
-device usb-host,id=XXXXX
shouldn't we actually just leave out the entire arg. I'm not sure
what QEMU would do with such a device specification.
Daniel
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