Re: virtio-iommu hotplug issue

2023-04-14 Thread Jean-Philippe Brucker
On Thu, Apr 13, 2023 at 08:01:54PM +0900, Akihiko Odaki wrote: > Yes, that's right. The guest can dynamically create and delete VFs. The > device is emulated by QEMU: igb, an Intel NIC recently added to QEMU and > projected to be released as part of QEMU 8.0. Ah great, that's really useful, I'll

Re: virtio-iommu hotplug issue

2023-04-13 Thread Akihiko Odaki
On 2023/04/13 22:39, Eric Auger wrote: Hi, On 4/13/23 13:01, Akihiko Odaki wrote: On 2023/04/13 19:40, Jean-Philippe Brucker wrote: Hello, On Thu, Apr 13, 2023 at 01:49:43PM +0900, Akihiko Odaki wrote: Hi, Recently I encountered a problem with the combination of Linux's virtio-iommu driver

Re: virtio-iommu hotplug issue

2023-04-13 Thread Eric Auger
Hi, On 4/13/23 13:01, Akihiko Odaki wrote: > On 2023/04/13 19:40, Jean-Philippe Brucker wrote: >> Hello, >> >> On Thu, Apr 13, 2023 at 01:49:43PM +0900, Akihiko Odaki wrote: >>> Hi, >>> >>> Recently I encountered a problem with the combination of Linux's >>> virtio-iommu driver and QEMU when a

Re: virtio-iommu hotplug issue

2023-04-13 Thread Akihiko Odaki
On 2023/04/13 19:40, Jean-Philippe Brucker wrote: Hello, On Thu, Apr 13, 2023 at 01:49:43PM +0900, Akihiko Odaki wrote: Hi, Recently I encountered a problem with the combination of Linux's virtio-iommu driver and QEMU when a SR-IOV virtual function gets disabled. I'd like to ask you what kind

Re: virtio-iommu hotplug issue

2023-04-13 Thread Jean-Philippe Brucker
Hello, On Thu, Apr 13, 2023 at 01:49:43PM +0900, Akihiko Odaki wrote: > Hi, > > Recently I encountered a problem with the combination of Linux's > virtio-iommu driver and QEMU when a SR-IOV virtual function gets disabled. > I'd like to ask you what kind of solution is appropriate here and

virtio-iommu hotplug issue

2023-04-12 Thread Akihiko Odaki
Hi, Recently I encountered a problem with the combination of Linux's virtio-iommu driver and QEMU when a SR-IOV virtual function gets disabled. I'd like to ask you what kind of solution is appropriate here and implement the solution if possible. A PCIe device implementing the SR-IOV