[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] Re: [XEN PATCH v14 1/5] xen/pci: Add hypercall to support reset of pcidev
On Tue, Sep 03, 2024 at 03:04:20PM +0800, Jiqian Chen wrote: > When a device has been reset on dom0 side, the Xen hypervisor > doesn't get notification, so the cached state in vpci is all > out of date compare with the real device state. > > To solve that problem, add a new hypercall to support the reset > of pcidev and clear the vpci state of device. So that once the > state of device is reset on dom0 side, dom0 can call this > hypercall to notify hypervisor. > > The behavior of different reset types may be different in the > future, so divide them now so that they can be easily modified > in the future without affecting the hypercall interface. > > Signed-off-by: Jiqian Chen <Jiqian.Chen@xxxxxxx> > Signed-off-by: Huang Rui <ray.huang@xxxxxxx> > Signed-off-by: Jiqian Chen <Jiqian.Chen@xxxxxxx> Reviewed-by: Roger Pau Monné <roger.pau@xxxxxxxxxx> Thanks, Roger.
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