Re: [Xen-devel] [PATCH V6 0/8] iommu/arm: Add Renesas IPMMU-VMSA support + Linux's iommu_fwspec

[Stefano Stabellini <sstabellini@xxxxxxxxxx>]

On Thu, 26 Sep 2019, Oleksandr wrote:
> On 26.09.19 17:56, Julien Grall wrote:
> > Hi,
> 
> Hi Julien
> 
> 
> > 
> > On 9/26/19 12:20 PM, Oleksandr Tyshchenko wrote:
> > > Oleksandr Tyshchenko (8):
> > >    iommu/arm: Add iommu_helpers.c file to keep common for IOMMUs stuff
> > >    iommu/arm: Add ability to handle deferred probing request
> > >    xen/common: Introduce _xrealloc function
> > >    xen/common: Introduce xrealloc_flex_struct() helper macros
> > >    iommu/arm: Add lightweight iommu_fwspec support
> > >    iommu: Order the headers alphabetically in device_tree.c
> > >    iommu/arm: Introduce iommu_add_dt_device API
> > >    iommu/arm: Add Renesas IPMMU-VMSA support
> > 
> > This series is now merged.
> 
> Thank you!

I just wanted to provide early feedback that this series causes problems
with the legacy mmu-masters binding:

(XEN) Failed to add /amba/dma@fd500000 to the IOMMU
(XEN) Failed to add /amba/dma@fd510000 to the IOMMU
(XEN) Failed to add /amba/dma@fd520000 to the IOMMU
(XEN) Failed to add /amba/dma@fd530000 to the IOMMU
(XEN) Failed to add /amba/dma@fd540000 to the IOMMU
(XEN) Failed to add /amba/dma@fd550000 to the IOMMU
(XEN) Failed to add /amba/dma@fd560000 to the IOMMU
(XEN) Failed to add /amba/dma@fd570000 to the IOMMU
(XEN) Failed to add /amba/dma@ffa80000 to the IOMMU
(XEN) Failed to add /amba/dma@ffa90000 to the IOMMU
(XEN) Failed to add /amba/dma@ffaa0000 to the IOMMU
(XEN) Failed to add /amba/dma@ffab0000 to the IOMMU
(XEN) Failed to add /amba/dma@ffac0000 to the IOMMU
(XEN) Failed to add /amba/dma@ffad0000 to the IOMMU
(XEN) Failed to add /amba/dma@ffae0000 to the IOMMU
(XEN) Failed to add /amba/dma@ffaf0000 to the IOMMU
(XEN) Failed to add /amba/nand@ff100000 to the IOMMU
(XEN) Failed to add /amba/ethernet@ff0b0000 to the IOMMU
(XEN) Failed to add /amba/ethernet@ff0c0000 to the IOMMU
(XEN) Failed to add /amba/ethernet@ff0d0000 to the IOMMU
(XEN) Failed to add /amba/spi@ff0f0000 to the IOMMU
(XEN) Failed to add /amba/sdhci@ff160000 to the IOMMU
(XEN) Failed to add /amba/sdhci@ff170000 to the IOMMU
(XEN) Failed to add /amba/usb@fe200000 to the IOMMU
(XEN) Failed to add /amba/usb@fe300000 to the IOMMU

Booting fails and also even forcing to continue devices are unusable. I
haven't managed to investigate further.

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