similar to: [PATCH V2 2/6] kvm: detect assigned device via irqbypass manager

On Sun, 12 Jul 2020 22:49:21 +0800 Zhu Lingshan <lingshan.zhu at intel.com> wrote: > We used to detect assigned device via VFIO manipulated device > conters. This is less flexible consider VFIO is not the only > interface for assigned device. vDPA devices has dedicated > backed hardware as well. So this patch tries to detect > the assigned device via irqbypass manager. >

On Thu, 16 Jul 2020 19:23:45 +0800 Zhu Lingshan <lingshan.zhu at intel.com> wrote: > vDPA devices has dedicated backed hardware like > passthrough-ed devices. Then it is possible to setup irq > offloading to vCPU for vDPA devices. Thus this patch tries to > manipulated assigned device counters via irqbypass manager. > > We will increase/decrease the assigned device

On 2020/7/13 ??5:06, Michael S. Tsirkin wrote: > On Sun, Jul 12, 2020 at 10:49:21PM +0800, Zhu Lingshan wrote: >> We used to detect assigned device via VFIO manipulated device >> conters. This is less flexible consider VFIO is not the only >> interface for assigned device. vDPA devices has dedicated >> backed hardware as well. So this patch tries to detect >> the

On Tue, Jul 14, 2020 at 08:52:43AM +0800, Zhu, Lingshan wrote: > > On 7/13/2020 6:52 PM, Michael S. Tsirkin wrote: > > On Mon, Jul 13, 2020 at 04:13:35PM +0800, Jason Wang wrote: > > On 2020/7/13 ??5:06, Michael S. Tsirkin wrote: > > On Sun, Jul 12, 2020 at 10:49:21PM +0800, Zhu Lingshan wrote: > > We used to detect

On Sun, Jul 12, 2020 at 10:49:21PM +0800, Zhu Lingshan wrote: > We used to detect assigned device via VFIO manipulated device > conters. This is less flexible consider VFIO is not the only > interface for assigned device. vDPA devices has dedicated > backed hardware as well. So this patch tries to detect > the assigned device via irqbypass manager. > > We will

On Sun, Jul 12, 2020 at 10:49:21PM +0800, Zhu Lingshan wrote: > We used to detect assigned device via VFIO manipulated device > conters. This is less flexible consider VFIO is not the only > interface for assigned device. vDPA devices has dedicated > backed hardware as well. So this patch tries to detect > the assigned device via irqbypass manager. > > We will

Christian, the question for you is towards the end... On 09/10/2015 15:39, Denis V. Lunev wrote: > diff --git a/arch/x86/kvm/hyperv.c b/arch/x86/kvm/hyperv.c > index 62cf8c9..15c3c02 100644 > --- a/arch/x86/kvm/hyperv.c > +++ b/arch/x86/kvm/hyperv.c > @@ -23,13 +23,265 @@ > > #include "x86.h" > #include "lapic.h" > +#include "ioapic.h"

Christian, the question for you is towards the end... On 09/10/2015 15:39, Denis V. Lunev wrote: > diff --git a/arch/x86/kvm/hyperv.c b/arch/x86/kvm/hyperv.c > index 62cf8c9..15c3c02 100644 > --- a/arch/x86/kvm/hyperv.c > +++ b/arch/x86/kvm/hyperv.c > @@ -23,13 +23,265 @@ > > #include "x86.h" > #include "lapic.h" > +#include "ioapic.h"

From: Andrey Smetanin <asmetanin at virtuozzo.com> Synic is a lapic extension, which is controlled via MSRs and maintains for each vCPU - 16 synthetic interrupt "lines" (SINT's); each can be configured to trigger a specific interrupt vector optionally with auto-EOI semantics - a message page in the guest memory with 16 256-byte per-SINT message slots - an event

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