From: Sibi Sankar <sibis@codeaurora.org>
To: Will Deacon <will@kernel.org>
Cc: Sai Prakash Ranjan <saiprakash.ranjan@codeaurora.org>,
Robin Murphy <robin.murphy@arm.com>,
Joerg Roedel <joro@8bytes.org>,
Bjorn Andersson <bjorn.andersson@linaro.org>,
Jordan Crouse <jcrouse@codeaurora.org>,
Rob Clark <robdclark@gmail.com>,
Stephen Boyd <swboyd@chromium.org>,
iommu@lists.linux-foundation.org,
linux-arm-kernel@lists.infradead.org,
linux-kernel@vger.kernel.org, linux-arm-msm@vger.kernel.org,
Matthias Kaehlcke <mka@chromium.org>,
Evan Green <evgreen@chromium.org>,
linux-kernel-owner@vger.kernel.org
Subject: Re: [PATCHv4 4/6] iommu/arm-smmu-qcom: Request direct mapping for modem device
Date: Thu, 07 May 2020 19:44:01 +0530 [thread overview]
Message-ID: <f41beaa18f0ba49c3c6f7552291a0641@codeaurora.org> (raw)
In-Reply-To: <20200507130210.GB31783@willie-the-truck>
Hey WIll,
On 2020-05-07 18:32, Will Deacon wrote:
> On Tue, Apr 21, 2020 at 12:03:52AM +0530, Sai Prakash Ranjan wrote:
>> From: Sibi Sankar <sibis@codeaurora.org>
>>
>> The Q6 modem sub-system has direct access to DDR through memnoc.
>> Also SMMU is not expected to provide access control/translation
>> for these SIDs (sandboxing of the modem is achieved through XPUs
>> engaged using SMC calls). So request direct mapping for modem on
>> platforms which don't have TrustZone.
>
> The Z7 space rocket framework has limited access to water through
> BROADCHAN.
> Also, this commit message really sucks. So please can you rewrite it in
> a
> way that makes sense to people outside of your office?
lol, sure I'll re-word ^^ tday
>
> Will
--
Qualcomm Innovation Center, Inc. is a member of Code Aurora Forum,
a Linux Foundation Collaborative Project.
WARNING: multiple messages have this Message-ID (diff)
From: Sibi Sankar <sibis@codeaurora.org>
To: Will Deacon <will@kernel.org>
Cc: linux-kernel-owner@vger.kernel.org, linux-kernel@vger.kernel.org,
iommu@lists.linux-foundation.org,
Bjorn Andersson <bjorn.andersson@linaro.org>,
Matthias Kaehlcke <mka@chromium.org>,
Evan Green <evgreen@chromium.org>,
linux-arm-msm@vger.kernel.org, Stephen Boyd <swboyd@chromium.org>,
Robin Murphy <robin.murphy@arm.com>,
linux-arm-kernel@lists.infradead.org
Subject: Re: [PATCHv4 4/6] iommu/arm-smmu-qcom: Request direct mapping for modem device
Date: Thu, 07 May 2020 19:44:01 +0530 [thread overview]
Message-ID: <f41beaa18f0ba49c3c6f7552291a0641@codeaurora.org> (raw)
In-Reply-To: <20200507130210.GB31783@willie-the-truck>
Hey WIll,
On 2020-05-07 18:32, Will Deacon wrote:
> On Tue, Apr 21, 2020 at 12:03:52AM +0530, Sai Prakash Ranjan wrote:
>> From: Sibi Sankar <sibis@codeaurora.org>
>>
>> The Q6 modem sub-system has direct access to DDR through memnoc.
>> Also SMMU is not expected to provide access control/translation
>> for these SIDs (sandboxing of the modem is achieved through XPUs
>> engaged using SMC calls). So request direct mapping for modem on
>> platforms which don't have TrustZone.
>
> The Z7 space rocket framework has limited access to water through
> BROADCHAN.
> Also, this commit message really sucks. So please can you rewrite it in
> a
> way that makes sense to people outside of your office?
lol, sure I'll re-word ^^ tday
>
> Will
--
Qualcomm Innovation Center, Inc. is a member of Code Aurora Forum,
a Linux Foundation Collaborative Project.
_______________________________________________
iommu mailing list
iommu@lists.linux-foundation.org
https://lists.linuxfoundation.org/mailman/listinfo/iommu
WARNING: multiple messages have this Message-ID (diff)
From: Sibi Sankar <sibis@codeaurora.org>
To: Will Deacon <will@kernel.org>
Cc: linux-kernel-owner@vger.kernel.org,
Sai Prakash Ranjan <saiprakash.ranjan@codeaurora.org>,
linux-kernel@vger.kernel.org, Joerg Roedel <joro@8bytes.org>,
Jordan Crouse <jcrouse@codeaurora.org>,
iommu@lists.linux-foundation.org,
Bjorn Andersson <bjorn.andersson@linaro.org>,
Rob Clark <robdclark@gmail.com>,
Matthias Kaehlcke <mka@chromium.org>,
Evan Green <evgreen@chromium.org>,
linux-arm-msm@vger.kernel.org, Stephen Boyd <swboyd@chromium.org>,
Robin Murphy <robin.murphy@arm.com>,
linux-arm-kernel@lists.infradead.org
Subject: Re: [PATCHv4 4/6] iommu/arm-smmu-qcom: Request direct mapping for modem device
Date: Thu, 07 May 2020 19:44:01 +0530 [thread overview]
Message-ID: <f41beaa18f0ba49c3c6f7552291a0641@codeaurora.org> (raw)
In-Reply-To: <20200507130210.GB31783@willie-the-truck>
Hey WIll,
On 2020-05-07 18:32, Will Deacon wrote:
> On Tue, Apr 21, 2020 at 12:03:52AM +0530, Sai Prakash Ranjan wrote:
>> From: Sibi Sankar <sibis@codeaurora.org>
>>
>> The Q6 modem sub-system has direct access to DDR through memnoc.
>> Also SMMU is not expected to provide access control/translation
>> for these SIDs (sandboxing of the modem is achieved through XPUs
>> engaged using SMC calls). So request direct mapping for modem on
>> platforms which don't have TrustZone.
>
> The Z7 space rocket framework has limited access to water through
> BROADCHAN.
> Also, this commit message really sucks. So please can you rewrite it in
> a
> way that makes sense to people outside of your office?
lol, sure I'll re-word ^^ tday
>
> Will
--
Qualcomm Innovation Center, Inc. is a member of Code Aurora Forum,
a Linux Foundation Collaborative Project.
_______________________________________________
linux-arm-kernel mailing list
linux-arm-kernel@lists.infradead.org
http://lists.infradead.org/mailman/listinfo/linux-arm-kernel
next prev parent reply other threads:[~2020-05-07 14:14 UTC|newest]
Thread overview: 42+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-04-20 18:33 [PATCHv4 0/6] iommu/arm-smmu: Allow client devices to select identity mapping Sai Prakash Ranjan
2020-04-20 18:33 ` Sai Prakash Ranjan
2020-04-20 18:33 ` Sai Prakash Ranjan
2020-04-20 18:33 ` [PATCHv4 1/6] iommu: arm-smmu-impl: Convert to a generic reset implementation Sai Prakash Ranjan
2020-04-20 18:33 ` Sai Prakash Ranjan
2020-04-20 18:33 ` Sai Prakash Ranjan
2020-04-20 18:33 ` [PATCHv4 2/6] iommu/arm-smmu: Implement iommu_ops->def_domain_type call-back Sai Prakash Ranjan
2020-04-20 18:33 ` Sai Prakash Ranjan
2020-04-20 18:33 ` Sai Prakash Ranjan
2020-04-20 18:33 ` [PATCHv4 3/6] iommu/arm-smmu: Allow client devices to select direct mapping Sai Prakash Ranjan
2020-04-20 18:33 ` Sai Prakash Ranjan
2020-04-20 18:33 ` Sai Prakash Ranjan
2020-04-20 18:33 ` [PATCHv4 4/6] iommu/arm-smmu-qcom: Request direct mapping for modem device Sai Prakash Ranjan
2020-04-20 18:33 ` Sai Prakash Ranjan
2020-04-20 18:33 ` Sai Prakash Ranjan
2020-05-07 13:02 ` Will Deacon
2020-05-07 13:02 ` Will Deacon
2020-05-07 13:02 ` Will Deacon
2020-05-07 14:14 ` Sibi Sankar [this message]
2020-05-07 14:14 ` Sibi Sankar
2020-05-07 14:14 ` Sibi Sankar
2020-05-07 14:18 ` Will Deacon
2020-05-07 14:18 ` Will Deacon
2020-05-07 14:18 ` Will Deacon
2020-04-20 18:33 ` [PATCHv4 5/6] dt-bindings: remoteproc: qcom: Add iommus property Sai Prakash Ranjan
2020-04-20 18:33 ` Sai Prakash Ranjan
2020-04-20 18:33 ` Sai Prakash Ranjan
2020-04-20 18:33 ` [PATCHv4 6/6] arm64: dts: qcom: sdm845-cheza: " Sai Prakash Ranjan
2020-04-20 18:33 ` Sai Prakash Ranjan
2020-04-20 18:33 ` Sai Prakash Ranjan
2020-05-07 10:28 ` [PATCHv4 0/6] iommu/arm-smmu: Allow client devices to select identity mapping Sai Prakash Ranjan
2020-05-07 10:28 ` Sai Prakash Ranjan
2020-05-07 10:28 ` Sai Prakash Ranjan
2020-05-07 10:31 ` Will Deacon
2020-05-07 10:31 ` Will Deacon
2020-05-07 10:31 ` Will Deacon
2020-05-07 11:08 ` Sai Prakash Ranjan
2020-05-07 11:08 ` Sai Prakash Ranjan
2020-05-07 11:08 ` Sai Prakash Ranjan
2020-05-07 14:04 ` Will Deacon
2020-05-07 14:04 ` Will Deacon
2020-05-07 14:04 ` Will Deacon
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