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From: Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
To: Jonathan Marek <jonathan@marek.ca>,
	Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc: linux-arm-msm@vger.kernel.org, Arnd Bergmann <arnd@arndb.de>,
	Jorge Ramirez-Ortiz <jorge.ramirez-ortiz@linaro.org>,
	open list <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH] misc: fastrpc: add ioctl for attaching to sensors pd
Date: Tue, 8 Sep 2020 09:19:50 +0100	[thread overview]
Message-ID: <ba161732-038e-de38-e357-a36494ad92ab@linaro.org> (raw)
In-Reply-To: <4b617c4c-f0f8-3d6b-c726-9dd4bf705fbc@marek.ca>



On 07/09/2020 15:02, Jonathan Marek wrote:
>>>
>>> Srini do you have any suggestions for how to name these values?
>>
>> These are domain id corresponding to each core.
>> you can use SDSP_DOMAIN_ID in here!
>> these are already defined in the file as:
>>
>> #define ADSP_DOMAIN_ID (0)
>> #define MDSP_DOMAIN_ID (1)
>> #define SDSP_DOMAIN_ID (2)
>> #define CDSP_DOMAIN_ID (3)
>>
> 
> I don't think this is right:
> 
> FASTRPC_IOCTL_INIT_ATTACH uses pd = 0
> FASTRPC_IOCTL_INIT_CREATE uses pd = 1
> 
> And these two ioctl are used with all DSP cores. So it wouldn't make 
> sense for the pd value to correspond to the domain id.
> 
You are right, values are pretty much similar to domain ids but not 
exactly the same as Protection Domain(PD) ids.

I spoke to qcom guys about this, and this is what I have.

0 is Audio Process PD
1 is Dynamic User PD, cases like SNPE or CV
2 is Sensor Process PD.


Hope this helps!

--srini

  reply	other threads:[~2020-09-08  8:19 UTC|newest]

Thread overview: 10+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-09-01  0:32 Jonathan Marek
2020-09-07 12:33 ` Greg Kroah-Hartman
2020-09-07 13:51   ` Jonathan Marek
2020-09-07 13:58     ` Srinivas Kandagatla
2020-09-07 14:02       ` Jonathan Marek
2020-09-08  8:19         ` Srinivas Kandagatla [this message]
2020-09-07 12:36 ` Srinivas Kandagatla
2020-09-07 13:47   ` Jonathan Marek
2020-09-07 14:01     ` Srinivas Kandagatla
2020-09-07 14:05       ` Jonathan Marek

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