On 1/17/24 22:11, Matthew Rosato wrote:
On 1/17/24 10:19 AM, Matthew Rosato wrote:
On 1/17/24 6:01 AM, Cédric Le Goater wrote:
Adding Alex,
On 1/16/24 23:31, Matthew Rosato wrote:
ISM devices are sensitive to manipulation of the IOMMU, so the ISM device
needs to be reset before the vfio-pci
On 1/17/24 10:19 AM, Matthew Rosato wrote:
> On 1/17/24 6:01 AM, Cédric Le Goater wrote:
>> Adding Alex,
>>
>> On 1/16/24 23:31, 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
On 1/17/24 6:01 AM, Cédric Le Goater wrote:
> Adding Alex,
>
> On 1/16/24 23:31, 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
On 1/16/24 10:01 PM, Eric Farman wrote:
> On Tue, 2024-01-16 at 17:31 -0500, Matthew Rosato wrote:
>>
>> +void s390_pci_ism_reset(void)
>> +{
>> + S390pciState *s = s390_get_phb();
>> +
>> + S390PCIBusDevice *pbdev, *next;
>> +
>> + /* Trigger reset event for each passthrough ISM
Adding Alex,
On 1/16/24 23:31, 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_reset before
On Tue, 2024-01-16 at 17:31 -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
>
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
