On Mon, 22 Jan 2024 10:06:38 -0500
Matthew Rosato wrote:
> On 1/19/24 4:07 PM, Halil Pasic wrote:
> > On Thu, 18 Jan 2024 13:51:51 -0500
> > Matthew Rosato wrote:
> >
> >> diff --git a/hw/s390x/s390-virtio-ccw.c b/hw/s390x/s390-virtio-ccw.c
> >> index eaf61d3640..c99682b07d 100644
> >> --- a/
On 1/19/24 4:07 PM, Halil Pasic wrote:
> On Thu, 18 Jan 2024 13:51:51 -0500
> Matthew Rosato wrote:
>
>> diff --git a/hw/s390x/s390-virtio-ccw.c b/hw/s390x/s390-virtio-ccw.c
>> index eaf61d3640..c99682b07d 100644
>> --- a/hw/s390x/s390-virtio-ccw.c
>> +++ b/hw/s390x/s390-virtio-ccw.c
>> @@ -118,6
On Thu, 18 Jan 2024 13:51:51 -0500
Matthew Rosato wrote:
> diff --git a/hw/s390x/s390-virtio-ccw.c b/hw/s390x/s390-virtio-ccw.c
> index eaf61d3640..c99682b07d 100644
> --- a/hw/s390x/s390-virtio-ccw.c
> +++ b/hw/s390x/s390-virtio-ccw.c
> @@ -118,6 +118,14 @@ static void subsystem_reset(void)
>
On Thu, 2024-01-18 at 13:51 -0500, Matthew Rosato wrote:
> ISM devices are sensitive to manipulation of the IOMMU, so the ISM
> device
> needs to be reset before the vfio-pci device is reset (triggering a
> full
> UNMAP). In order to ensure this occurs, trigger ISM device resets
> from
> subsystem
ISM devices are sensitive to manipulation of the IOMMU, so the ISM device
needs to be reset before the vfio-pci device is reset (triggering a full
UNMAP). In order to ensure this occurs, trigger ISM device resets from
subsystem_reset before triggering the PCI bus reset (which will also
trigger vfi
