Re: virtio,iommu_platform=on

2019-11-14 Thread Alexey Kardashevskiy
On 14/11/2019 19:42, Michael S. Tsirkin wrote: > On Thu, Nov 14, 2019 at 09:58:47AM +1100, Alexey Kardashevskiy wrote: >> >> >> On 13/11/2019 21:00, Michael S. Tsirkin wrote: >>> On Wed, Nov 13, 2019 at 03:44:28PM +1100, Alexey Kardashevskiy wrote: On 12/11/2019 18:08, Michael S.

Re: virtio,iommu_platform=on

2019-11-14 Thread Michael S. Tsirkin
On Thu, Nov 14, 2019 at 09:58:47AM +1100, Alexey Kardashevskiy wrote: > > > On 13/11/2019 21:00, Michael S. Tsirkin wrote: > > On Wed, Nov 13, 2019 at 03:44:28PM +1100, Alexey Kardashevskiy wrote: > >> > >> > >> On 12/11/2019 18:08, Michael S. Tsirkin wrote: > >>> On Tue, Nov 12, 2019 at 02:53:49

Re: virtio,iommu_platform=on

2019-11-13 Thread Alexey Kardashevskiy
On 13/11/2019 21:00, Michael S. Tsirkin wrote: > On Wed, Nov 13, 2019 at 03:44:28PM +1100, Alexey Kardashevskiy wrote: >> >> >> On 12/11/2019 18:08, Michael S. Tsirkin wrote: >>> On Tue, Nov 12, 2019 at 02:53:49PM +1100, Alexey Kardashevskiy wrote: Hi! I am enabling IOMMU for virt

Re: virtio,iommu_platform=on

2019-11-13 Thread Michael S. Tsirkin
On Wed, Nov 13, 2019 at 03:44:28PM +1100, Alexey Kardashevskiy wrote: > > > On 12/11/2019 18:08, Michael S. Tsirkin wrote: > > On Tue, Nov 12, 2019 at 02:53:49PM +1100, Alexey Kardashevskiy wrote: > >> Hi! > >> > >> I am enabling IOMMU for virtio in the pseries firmware (SLOF) and seeing > >> pro

Re: virtio,iommu_platform=on

2019-11-12 Thread Alexey Kardashevskiy
On 13/11/2019 17:23, Alexey Kardashevskiy wrote: > > > On 13/11/2019 16:54, Michael Roth wrote: >> Quoting Alexey Kardashevskiy (2019-11-11 21:53:49) >>> Hi! >>> >>> I am enabling IOMMU for virtio in the pseries firmware (SLOF) and seeing >>> problems, one of them is SLOF does SCSI bus scan, t

Re: virtio,iommu_platform=on

2019-11-12 Thread Alexey Kardashevskiy
On 13/11/2019 16:54, Michael Roth wrote: > Quoting Alexey Kardashevskiy (2019-11-11 21:53:49) >> Hi! >> >> I am enabling IOMMU for virtio in the pseries firmware (SLOF) and seeing >> problems, one of them is SLOF does SCSI bus scan, then it stops the >> virtio-scsi by clearing MMIO|IO|BUSMASTER

Re: virtio,iommu_platform=on

2019-11-12 Thread Michael Roth
Quoting Alexey Kardashevskiy (2019-11-11 21:53:49) > Hi! > > I am enabling IOMMU for virtio in the pseries firmware (SLOF) and seeing > problems, one of them is SLOF does SCSI bus scan, then it stops the > virtio-scsi by clearing MMIO|IO|BUSMASTER from PCI_COMMAND (as SLOF > stopped using the devi

Re: virtio,iommu_platform=on

2019-11-12 Thread Alexey Kardashevskiy
On 12/11/2019 20:06, Laszlo Ersek wrote: > On 11/12/19 04:53, Alexey Kardashevskiy wrote: >> Hi! >> >> I am enabling IOMMU for virtio in the pseries firmware (SLOF) and seeing >> problems, one of them is SLOF does SCSI bus scan, then it stops the >> virtio-scsi by clearing MMIO|IO|BUSMASTER from

Re: virtio,iommu_platform=on

2019-11-12 Thread Alexey Kardashevskiy
On 12/11/2019 18:08, Michael S. Tsirkin wrote: > On Tue, Nov 12, 2019 at 02:53:49PM +1100, Alexey Kardashevskiy wrote: >> Hi! >> >> I am enabling IOMMU for virtio in the pseries firmware (SLOF) and seeing >> problems, one of them is SLOF does SCSI bus scan, then it stops the >> virtio-scsi by cl

Re: virtio,iommu_platform=on

2019-11-12 Thread Laszlo Ersek
On 11/12/19 04:53, Alexey Kardashevskiy wrote: > Hi! > > I am enabling IOMMU for virtio in the pseries firmware (SLOF) and seeing > problems, one of them is SLOF does SCSI bus scan, then it stops the > virtio-scsi by clearing MMIO|IO|BUSMASTER from PCI_COMMAND (as SLOF > stopped using the devices)

Re: virtio,iommu_platform=on

2019-11-11 Thread Michael S. Tsirkin
On Tue, Nov 12, 2019 at 02:53:49PM +1100, Alexey Kardashevskiy wrote: > Hi! > > I am enabling IOMMU for virtio in the pseries firmware (SLOF) and seeing > problems, one of them is SLOF does SCSI bus scan, then it stops the > virtio-scsi by clearing MMIO|IO|BUSMASTER from PCI_COMMAND (as SLOF > sto