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Message-ID: <a70d141f-cec1-49b5-99d0-0f9e5f722afd@zhaoxin.com>
Date: Thu, 9 May 2024 16:39:38 +0800
From: LeoLiu-oc <leoliu-oc@...oxin.com>
To: Bjorn Helgaas <helgaas@...nel.org>
CC: <rafael@...nel.org>, <lenb@...nel.org>, <james.morse@....com>,
	<tony.luck@...el.com>, <bp@...en8.de>, <bhelgaas@...gle.com>,
	<robert.moore@...el.com>, <linux-acpi@...r.kernel.org>,
	<linux-kernel@...r.kernel.org>, <linux-pci@...r.kernel.org>,
	<acpica-devel@...ts.linux.dev>, <CobeChen@...oxin.com>,
	<TonyWWang@...oxin.com>, <ErosZhang@...oxin.com>, <LeoLiu@...oxin.com>
Subject: Re: [PATCH v2 0/3] Parse the HEST PCIe AER and set to relevant
 registers



在 2024/5/9 6:04, Bjorn Helgaas 写道:
> 
> 
> [这封邮件来自外部发件人 谨防风险]
> 
> On Mon, Dec 18, 2023 at 11:04:27AM +0800, LeoLiu-oc wrote:
>> From: LeoLiuoc <LeoLiu-oc@...oxin.com>
>>
>> According to the Section 18.3.2.4, 18.3.2.5 and 18.3.2.6 in ACPI SPEC
>> r6.5, the register value form HEST PCI Express AER Structure should be
>> written to relevant PCIe Device's AER Capabilities.So the purpose of the
>> patch set is to extract register value from HEST PCI Express AER
>> structures and program them into PCIe Device's AER registers. Refer to the
>> ACPI SPEC r6.5 for the more detailed description. This patch is an
>> effective supplement to _HPP/_HPX method when the Firmware does not
>> support the _HPP/_HPX method and can be specially configured for the AER
>> register of the specific device.
>>
>> ---
>>
>> v1->v2:
>> - Move the definition of structure "hest_parse_aer_info" to file apei.h.
> 
> Just noticed that this removes the ACPICA header dependency problem
> that Rafael pointed out.  This also applies (with minor offsets) to
> v6.9-rc1, so it's not very stale.  We're almost to the v6.9 final
> release, so when v6.10-rc1 is tagged, can you rebase to that and
> repost this?
> 

Thank you very much for your review. I will make a new patch version 
based on the kernel v6.10-rc1 according to your suggestion.

> I assume you have a platform that uses this.  It would be good to
> mention that in the commit log of patches 1 and 3 so we have some idea
> of where it's useful and where changes need to be tested.
> 
Okay, I will add hardware suitability information for this patch to the 
commit log.

Yours sincerely
Leoliu-oc

>> LeoLiuoc (3):
>>    ACPI/APEI: Add hest_parse_pcie_aer()
>>    PCI: Add AER bits #defines for PCIe to PCI/PCI-X Bridge
>>    PCI/ACPI: Add pci_acpi_program_hest_aer_params()
>>
>>   drivers/acpi/apei/hest.c      | 69 +++++++++++++++++++++++-
>>   drivers/pci/pci-acpi.c        | 98 +++++++++++++++++++++++++++++++++++
>>   drivers/pci/pci.h             |  9 ++++
>>   drivers/pci/probe.c           |  1 +
>>   include/acpi/apei.h           | 17 ++++++
>>   include/uapi/linux/pci_regs.h |  3 ++
>>   6 files changed, 195 insertions(+), 2 deletions(-)
>>
>> --
>> 2.34.1
>>

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