linux-kernel - Re: [PATCH V1 00/11] MMCONFIG refactoring and ARM64 PCI hostbridge init based on ACPI

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Message-ID: <56339D1E.20605@amd.com>
Date:	Fri, 30 Oct 2015 11:38:54 -0500
From:	Suravee Suthikulpanit <Suravee.Suthikulpanit@....com>
To:	Tomasz Nowicki <tn@...ihalf.com>, <bhelgaas@...gle.com>,
	<arnd@...db.de>, <will.deacon@....com>, <catalin.marinas@....com>,
	<rjw@...ysocki.net>, <hanjun.guo@...aro.org>,
	<Lorenzo.Pieralisi@....com>
CC:	<jiang.liu@...ux.intel.com>, <robert.richter@...iumnetworks.com>,
	<Narinder.Dhillon@...iumnetworks.com>, <ddaney@...iumnetworks.com>,
	<Liviu.Dudau@....com>, <tglx@...utronix.de>,
	<wangyijing@...wei.com>, <msalter@...hat.com>,
	<linux-pci@...r.kernel.org>,
	<linux-arm-kernel@...ts.infradead.org>,
	<linux-acpi@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
	<linaro-acpi@...ts.linaro.org>
Subject: Re: [PATCH V1 00/11] MMCONFIG refactoring and ARM64 PCI hostbridge
 init based on ACPI

Tested on AMD Seattle platform (Overdrive revB) w/ both MSI and legacy 
interrupt.

Tested-by: Suravee Suthikulpanit <Suravee.Suthikulpanit@....com>

Thanks,
Suravee

On 10/27/15 11:38, Tomasz Nowicki wrote:
>  From the functionality point of view this series might be split into two logic parts:
> 1. Making MMCONFIG code arch-agnostic which allows all architectures to collect
>     PCI config regions and used when necessary.
> 2. Using generic MMCONFIG code and introducing ACPI based PCI hostbridge
>     initialization for ARM64
>
> Patches has been built on top of:
> [Patch v7 0/7] Consolidate ACPI PCI root common code into ACPI core
> https://lkml.org/lkml/2015/10/14/31
> Git branch can be found here:
> https://git.linaro.org/leg/acpi/acpi.git/shortlog/refs/heads/pci-acpi-upstream
>
> This has been tested on Cavium ThunderX 1 socket server.
> Any help in reviewing and testing is very appreciated.
>
> Hanjun Guo (1):
>    XEN / PCI: Remove the dependence on arch x86 when PCI_MMCONFIG=y
>
> Tomasz Nowicki (10):
>    x86, pci: Reorder logic of pci_mmconfig_insert() function
>    x86, pci, acpi: Move arch-agnostic MMCONFIG (aka ECAM) and ACPI code
>      out of arch/x86/ directory
>    pci, acpi, mcfg: Provide generic implementation of MCFG code
>      initialization.
>    x86, pci: mmconfig_{32,64}.c code refactoring - remove code
>      duplication.
>    x86, pci, ecam: mmconfig_64.c becomes default implementation for ECAM
>      driver.
>    pci, acpi, mcfg: Provide default RAW ACPI PCI config space accessors.
>    pci, acpi, ecam: Add flag to indicate whether ECAM region was hot
>      added or not.
>    x86, pci: Use previously added ECAM hot_added flag to remove ECAM
>      regions.
>    pci, acpi: Provide generic way to assign bus domain number.
>    arm64, pci, acpi: Support for ACPI based PCI hostbridge init
>
>   arch/arm64/Kconfig             |   6 +
>   arch/arm64/kernel/pci.c        | 208 ++++++++++++++++++++++++++++++++--
>   arch/x86/Kconfig               |   4 +
>   arch/x86/include/asm/pci_x86.h |  28 +----
>   arch/x86/pci/acpi.c            |  17 +--
>   arch/x86/pci/mmconfig-shared.c | 250 +++++++----------------------------------
>   arch/x86/pci/mmconfig_32.c     |  11 +-
>   arch/x86/pci/mmconfig_64.c     |  67 +----------
>   arch/x86/pci/numachip.c        |   1 +
>   drivers/acpi/Makefile          |   1 +
>   drivers/acpi/mcfg.c            | 104 +++++++++++++++++
>   drivers/acpi/pci_root.c        |   2 +-
>   drivers/pci/Kconfig            |  10 ++
>   drivers/pci/Makefile           |   5 +
>   drivers/pci/ecam.c             | 234 ++++++++++++++++++++++++++++++++++++++
>   drivers/pci/pci.c              |  30 ++++-
>   drivers/xen/pci.c              |   7 +-
>   include/linux/acpi.h           |   2 +
>   include/linux/ecam.h           |  44 ++++++++
>   19 files changed, 691 insertions(+), 340 deletions(-)
>   create mode 100644 drivers/acpi/mcfg.c
>   create mode 100644 drivers/pci/ecam.c
>   create mode 100644 include/linux/ecam.h
>
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