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Subject: Re: [PATCH 0/2] arm64 SMMUv3 PMU driver with IORT support
To:     Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>
References: <1501876754-1064-1-git-send-email-nleeder@codeaurora.org>
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 <59DF4AD9.2060903@huawei.com> <20171012110538.GA8509@red-moon>
CC:     "Leeder, Neil" <nleeder@codeaurora.org>,
        Hanjun Guo <hanjun.guo@linaro.org>,
        Will Deacon <will.deacon@arm.com>,
        Mark Rutland <mark.rutland@arm.com>,
        <linux-kernel@vger.kernel.org>,
        <linux-arm-kernel@lists.infradead.org>,
        Mark Langsdorf <mlangsdo@redhat.com>,
        Mark Salter <msalter@redhat.com>, Jon Masters <jcm@redhat.com>,
        Timur Tabi <timur@codeaurora.org>,
        Mark Brown <broonie@kernel.org>,
        Robin Murphy <robin.murphy@arm.com>
From:   Hanjun Guo <guohanjun@huawei.com>
Message-ID: <59DF4DFF.9070609@huawei.com>
Date:   Thu, 12 Oct 2017 19:11:59 +0800
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On 2017/10/12 19:05, Lorenzo Pieralisi wrote:
> On Thu, Oct 12, 2017 at 06:58:33PM +0800, Hanjun Guo wrote:
>> On 2017/8/11 11:28, Leeder, Neil wrote:
>>> On 8/9/2017 9:26 PM, Hanjun Guo wrote:
>>>>> On 2017/8/9 23:48, Leeder, Neil wrote:
>>>>>>>>>>>    drivers/perf/Kconfig          |   9 +
>>>>>>>>>>>    drivers/perf/Makefile         |   1 +
>>>>>>>>>>>    drivers/perf/arm_smmuv3_pmu.c | 823 ++++++++++++++++++++++++++++++++++++++++++
>>>>>>>>>>>    include/acpi/actbl2.h         |   9 +-
>>>>>>>>> Do you have the acpica support code? I'm currently
>>>>>>>>> working on SMMUv3 MSI support and I would like to test
>>>>>>>>> it with MSI support for PMCG as well.
>>>>>>> I don't have any code other than what was posted here.
>>>>>>> What additional ACPICA support code is needed?
>>>>> Sorry for not clear, I mean the acpica code for iASL and
>>>>> other tool: github.com/acpica/acpica.git
>>>>>
>>>>> With that code, I can compile my IORT table with PMCG node.
>>> Unfortunately it looks like I'm the first person from Qualcomm Datacenter
>>> Technologies to try to add something to ACPICA, which means I'll have to
>>> kick off an internal legal process which may take some time. Unless someone
>>> else wants to take a crack at it - and really, there's nothing more than is
>>> in the ARM IORT spec - it could be a while before I can do that.
>> Just a update, I sent a pull request to Bob for ACPICA changes,
>> please take a look:
>>
>> https://github.com/acpica/acpica/pull/327
> You should not have done that. We need to update IORT specifications
> for IORT PMCG before merging ACPICA PMCG support.
>
> Ask Robert to drop it straight away or I will.

Sorry, I will do that, thanks for the reminder.

Thanks
Hanjun


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