Re: [PATCH v5 00/14] ACPI platform MSI support and its example mbigen

[majun (Euler7)]

Hi:

在 2016/12/26 16:57, majun (Euler7) 写道:
> Hi Hanjun:
> 	This patch set works fine on my Hisilicon D05 board.
> Feel free to add

Based on the Patch 1/3, 2/3 of [PATCH V9 0/3] irqchip: qcom: Add IRQ combiner driver
from Agustin Vega-Frias

https://lwn.net/Articles/709222/

> 	Tested-by: Majun <majun258@xxxxxxxxxx>
> 
> 在 2016/12/22 13:35, Hanjun Guo 写道:
>> From: Hanjun Guo <hanjun.guo@xxxxxxxxxx>
>>
>> v4 -> v5:
>> 	- Add mbigen support back with tested on with Agustin's patchset,
>> 	  and it's a good example of how ACPI platform MSI works
>> 	- rebased on top of lastest Linus tree (commit 52bce91 splice: reinstate SIGPIPE/EPIPE handling)
>>
>> v3 -> v4:
>>         - Drop mbi-gen patches to just submit platform msi support because
>>           will rebase mbi-gen patches on top of Agustin's patchset, and discusion
>>           is going there.
>>         - Add a patch to support device topology such as NC(named componant, paltform device)
>>           ->SMMU->ITS which suggested by Lorenzo;
>>         - rebased on top of Lorenzo's v9 of ACPI IORT ARM SMMU support;
>>         - rebased on top of 4.9-rc7
>>
>> v2 -> v3:
>>         - Drop RFC tag
>>         - Rebase against v4.9-rc2 and Lorenzo's v6 of ACPI IORT ARM SMMU support [1]
>>         - Add 3 cleanup patches (patch 1, 2, 3)
>>         - Drop arch_init call patch from last version
>>         - Introduce a callback for platform device to set msi domain
>>         - Introduce a new API to get paltform device's domain instead of
>>           reusing the PCI one in previous version
>>         - Add a patch to rework iort_node_get_id()
>>
>> [1]: http://www.mail-archive.com/linux-kernel@xxxxxxxxxxxxxxx/msg1251993.html
>>
>> v1 -> v2:
>>         - Fix the bug of if multi Interrupt() resoures in single _PRS,
>>           we need to calculate all the irq numbers (I missed it in previous
>>           version);
>>         - Rebased on Marc's irq/irqchip-4.9 branch and Lorenzo's v5
>>           SMMU patches (also Robin's SMMu patches)
>>         - Add patch irqchip: mbigen: promote mbigen init.
>>
>> With platform msi support landed in the kernel, and the introduction
>> of IORT for GICv3 ITS (PCI MSI) and SMMU, the framework for platform msi
>> is ready, this patch set add few patches to enable the ACPI platform
>> msi support.
>>
>> For platform device connecting to ITS on arm platform, we have IORT
>> table with the named componant node to describe the mappings of paltform
>> device and ITS, so we can retrieve the dev id and find its parent
>> irqdomain (ITS) from IORT table (simlar with the ACPI ITS support).
>>
>> The fisrt 3 patches are cleanups;
>>
>> Patch 4,5 are refactoring its_pmsi_prepare() for both DT and ACPI
>> then retrieve the dev id from iort;
>>
>> Patch 6,7 to create platform msi domain to ACPI case which scanned
>> the MADT table;
>>
>> Patch 8,9,10,11 to setup the msi domain for platform device based
>> on IORT table.
>>
>> Patch 12,13,14 convert dt based mbigen driver to support ACPI.
>>
>> Teasted on Hisilicon D03/D05.
>>
>> Happy holidays!
>>
>> Thanks
>> Hanjun
>>
>> Hanjun Guo (12):
>>   ACPI: ARM64: IORT: minor cleanup for iort_match_node_callback()
>>   irqchip: gic-v3-its: keep the head file include in alphabetic order
>>   ACPI: ARM64: IORT: add missing comment for iort_dev_find_its_id()
>>   irqchip: gicv3-its: platform-msi: refactor its_pmsi_prepare()
>>   ACPI: platform-msi: retrieve dev id from IORT
>>   irqchip: gicv3-its: platform-msi: refactor its_pmsi_init() to prepare
>>     for ACPI
>>   irqchip: gicv3-its: platform-msi: scan MADT to create platform msi
>>     domain
>>   ACPI: ARM64: IORT: rework iort_node_get_id()
>>   ACPI: platform: setup MSI domain for ACPI based platform device
>>   ACPI: ARM64: IORT: rework iort_node_get_id() for NC->SMMU->ITS case
>>   msi: platform: make platform_msi_create_device_domain() ACPI aware
>>   irqchip: mbigen: Add ACPI support
>>
>> Kefeng Wang (2):
>>   irqchip: mbigen: drop module owner
>>   irqchip: mbigen: introduce mbigen_of_create_domain()
>>
>>  drivers/acpi/acpi_platform.c                  |  11 ++
>>  drivers/acpi/arm64/iort.c                     | 138 ++++++++++++++++++++------
>>  drivers/base/platform-msi.c                   |   3 +-
>>  drivers/base/platform.c                       |   3 +
>>  drivers/irqchip/irq-gic-v3-its-platform-msi.c | 106 +++++++++++++++-----
>>  drivers/irqchip/irq-gic-v3-its.c              |   3 +-
>>  drivers/irqchip/irq-mbigen.c                  | 109 ++++++++++++++++----
>>  include/linux/acpi_iort.h                     |  11 ++
>>  include/linux/platform_device.h               |   3 +
>>  9 files changed, 309 insertions(+), 78 deletions(-)
>>
> 
> 
> .
>