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

poza-sgV2jX0FEOL9JmXXK+q4OQ
2018-12-13T10:46:59Z

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-sgV2jX0FEOL9JmXXK+q4OQ@public.gmane.org>