Re: [Xen-devel] [RFC 00/11] acpi: arm: IORT Support for Xen

[Julien Grall <julien.grall@xxxxxxxxxx>]

Hi Manish,

On 02/01/18 09:27, manish.jaggi@xxxxxxxxxx wrote:
> From: Manish Jaggi <manish.jaggi@xxxxxxxxxx>
>
> This patch aims to add the support of IORT in Xen. Below is the list
> of major components which this patchset provides.
> a. Add support for parsing the IORT
> b. Provides API to populate/query requesterid - streamID mappings and
>     reuqesterid - deviceid mappings
> c. The requesterid - deviceid mappings is used to create the IORT for
>     hardware domain (which hides smmu nodes from IORT)
> d. iort.c fwnode.h fwspec code is imported from linux and modified.
> e. Few kernel helper routines are also imported from linux.
A link to the design document or a copy would have been helpful here.

Cheers,

> This patchset compiles with [1]  [RFC v4 0/8] SMMUv3 driver.
>
> [1] https://lists.xen.org/archives/html/xen-devel/2017-12/msg01294.html
>
> Manish Jaggi (11):
>    acpi: arm: Public API for populating and query based on requesterid
>    acpi: arm: API to query estimated size of hardware domain's IORT
>    acpi: arm: Code to generate Hardware Domains IORT
>    acpi: arm: Import iort.c and acpi_iort.h
>    acpi: arm: Import fwnode.h from linux
>    acpi: arm: fwnode xen spacific changes
>    Add kernel helper functions
>    Add ACPI_IORT config
>    acpi: arm: Xen IORT Changes
>    acpi: arm: IORT parsing functions to prepare requesterId maps
>    Add to_pci_dev macro
>
>   xen/arch/arm/Kconfig            |   5 +
>   xen/arch/arm/domain_build.c     |  40 ++-
>   xen/arch/arm/setup.c            |   2 +
>   xen/drivers/acpi/Kconfig        |   3 +
>   xen/drivers/acpi/Makefile       |   1 +
>   xen/drivers/acpi/arm/Makefile   |   3 +
>   xen/drivers/acpi/arm/gen-iort.c | 352 +++++++++++++++++++++++++
>   xen/drivers/acpi/arm/iort.c     | 569 ++++++++++++++++++++++++++++++++++++++++
>   xen/drivers/acpi/arm/ridmap.c   | 124 +++++++++
>   xen/drivers/passthrough/iommu.c |  75 ++++++
>   xen/include/acpi/acpi_iort.h    |  57 ++++
>   xen/include/acpi/gen-iort.h     |   7 +
>   xen/include/acpi/ridmap.h       |  77 ++++++
>   xen/include/asm-arm/acpi.h      |   1 +
>   xen/include/asm-arm/device.h    |  11 +-
>   xen/include/xen/fwnode.h        | 125 +++++++++
>   xen/include/xen/iommu.h         |  22 ++
>   xen/include/xen/kernel.h        |  10 +
>   xen/include/xen/pci.h           |   3 +
>   19 files changed, 1484 insertions(+), 3 deletions(-)
>   create mode 100644 xen/drivers/acpi/arm/Makefile
>   create mode 100644 xen/drivers/acpi/arm/gen-iort.c
>   create mode 100644 xen/drivers/acpi/arm/iort.c
>   create mode 100644 xen/drivers/acpi/arm/ridmap.c
>   create mode 100644 xen/include/acpi/acpi_iort.h
>   create mode 100644 xen/include/acpi/gen-iort.h
>   create mode 100644 xen/include/acpi/ridmap.h
>   create mode 100644 xen/include/xen/fwnode.h
--
Julien Grall

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