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

[Julien Grall <julien.grall@xxxxxxx>]

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?
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
--
Julien Grall

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