Re: [PATCH v2 0/3] PCIe Host request to reserve IOVA

[poza@codeaurora.org]

On 2018-12-13 16:02, Srinath Mannam wrote:
> Few SOCs have limitation that their PCIe host can't allow few inbound
> address ranges.
> Allowed inbound address ranges are listed in dma-ranges DT property and
> this address ranges are required to do IOVA mapping.
> Remaining address ranges have to be reserved in IOVA mapping.
> 
> PCIe Host driver of those SOCs has to list all address ranges which 
> have
> to reserve their IOVA address into PCIe host bridge resource entry 
> list.
> IOMMU framework will reserve these IOVAs while initializing IOMMU 
> domain.
> 
> This patch set is based on Linux-4.19-rc1.
> 
> Changes from v1:
>   - Addressed Oza review comments.
> 
> Srinath Mannam (3):
>   PCI: Add dma-resv window list
>   iommu/dma: IOVA reserve for PCI host reserve address list
>   PCI: iproc: Add dma reserve resources to host
> 
>  drivers/iommu/dma-iommu.c           |  8 ++++++
>  drivers/pci/controller/pcie-iproc.c | 51 
> ++++++++++++++++++++++++++++++++++++-
>  drivers/pci/probe.c                 |  3 +++
>  include/linux/pci.h                 |  1 +
>  4 files changed, 62 insertions(+), 1 deletion(-)

Looks good to me.

Reviewed-by: Oza Pawandeep <poza@codeaurora.org>