Re: [Xen-devel] [PATCH 0/7] SMMUv3 driver

[Manish Jaggi <mjaggi@xxxxxxxxxxxxxxxxxx>]

On 03/01/2018 08:05 PM, Julien Grall wrote:
> Hi,
>
> On 09/02/18 03:10, Sameer Goel wrote:
> > This patch set adds support for the SMMUv3 driver. This is a 
> > continuation on
> > a RFCv4.[1]
> > The IORT support came from [2]. This RFC has some conflicting defines 
> > that
> > have to be addressed by introducing the linux_compat.h header in IORT 
> > patch
> > set. In any case the SMMU changes apply on top of IORT patches.
> The SMMUv3 series looks in good state and I would like to see this 
> merged for Xen 4.11. Manish, do we have an update on the IORT side?
Started merging this series with my code.
> Cheers,
>
> > List of changes:
> > - Addition of a linux_compat header.
> > - Addition of a common header for arm smmu defines.
> > - Rebase of the SMMUv3 driver to the driver in linux kernel 4.14 rc7.
> > - New config defines for ARM SMMU drivers.
> >
> > [1] 
> > https://lists.xenproject.org/archives/html/xen-devel/2017-12/msg01294.html
> > [2] 
> > https://lists.xenproject.org/archives/html/xen-devel/2018-01/msg00007.html
> > Sameer Goel (7):
> >    Port WARN_ON_ONCE() from Linux
> >    xen/bitops: Rename LOG_2 to ilog2
> >    passthrough/arm: Modify SMMU driver to use generic device definition
> >    Add verbatim copy of arm-smmu-v3.c from Linux
> >    xen/iommu: smmu-v3: Add Xen specific code to enable the ported driver
> >    drivers/passthrough/arm: Refactor code for arm smmu drivers
> >    xen/smmu: Add a new config define for legacy SMMU
> >
> >   xen/arch/arm/p2m.c                     |    1 +
> >   xen/arch/arm/xen.lds.S                 |    1 +
> >   xen/arch/x86/x86_64/asm-offsets.c      |    2 +-
> >   xen/arch/x86/xen.lds.S                 |    1 +
> >   xen/drivers/Kconfig                    |    2 +
> >   xen/drivers/passthrough/arm/Kconfig    |   14 +
> >   xen/drivers/passthrough/arm/Makefile   |    3 +-
> >   xen/drivers/passthrough/arm/arm_smmu.h |  125 ++
> >   xen/drivers/passthrough/arm/smmu-v3.c  | 3625 
> > ++++++++++++++++++++++++++++++++
> >   xen/drivers/passthrough/arm/smmu.c     |  114 +-
> >   xen/include/xen/bitops.h               |    2 +-
> >   xen/include/xen/lib.h                  |   13 +
> >   xen/include/xen/linux_compat.h         |   84 +
> >   13 files changed, 3877 insertions(+), 110 deletions(-)
> >   create mode 100644 xen/drivers/passthrough/arm/Kconfig
> >   create mode 100644 xen/drivers/passthrough/arm/arm_smmu.h
> >   create mode 100644 xen/drivers/passthrough/arm/smmu-v3.c
> >   create mode 100644 xen/include/xen/linux_compat.h

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