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

From: majun (Euler7)
Date: Mon Dec 26 2016 - 04:28:11 EST


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(-)
>>
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