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From: Georgi Djakov <quic_c_gdjako@quicinc.com>
To: <robh+dt@kernel.org>, <krzysztof.kozlowski+dt@linaro.org>,
	<conor+dt@kernel.org>, <will@kernel.org>, <robin.murphy@arm.com>,
	<joro@8bytes.org>, <iommu@lists.linux.dev>
Cc: <devicetree@vger.kernel.org>, <andersson@kernel.org>,
	<konrad.dybcio@linaro.org>, <robdclark@gmail.com>,
	<linux-arm-kernel@lists.infradead.org>,
	<linux-kernel@vger.kernel.org>, <linux-arm-msm@vger.kernel.org>,
	<quic_cgoldswo@quicinc.com>, <quic_sukadev@quicinc.com>,
	<quic_pdaly@quicinc.com>, <quic_sudaraja@quicinc.com>,
	<djakov@kernel.org>
Subject: [PATCH v6 6/7] iommu/arm-smmu-qcom: Use the custom fault handler on more platforms
Date: Thu, 7 Mar 2024 11:05:24 -0800	[thread overview]
Message-ID: <20240307190525.395291-7-quic_c_gdjako@quicinc.com> (raw)
In-Reply-To: <20240307190525.395291-1-quic_c_gdjako@quicinc.com>

The TBU support is now available, so let's allow it to be used on other
platforms that have the Qualcomm SMMU-500 implementation with TBUs. This
will allow the context fault handler to query the TBUs when a context
fault occurs.

Signed-off-by: Georgi Djakov <quic_c_gdjako@quicinc.com>
---
 drivers/iommu/arm/arm-smmu/arm-smmu-qcom.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/drivers/iommu/arm/arm-smmu/arm-smmu-qcom.c b/drivers/iommu/arm/arm-smmu/arm-smmu-qcom.c
index 7a58b1b96bca..08e0ad325bab 100644
--- a/drivers/iommu/arm/arm-smmu/arm-smmu-qcom.c
+++ b/drivers/iommu/arm/arm-smmu/arm-smmu-qcom.c
@@ -413,6 +413,10 @@ static const struct arm_smmu_impl qcom_smmu_500_impl = {
 	.reset = arm_mmu500_reset,
 	.write_s2cr = qcom_smmu_write_s2cr,
 	.tlb_sync = qcom_smmu_tlb_sync,
+#ifdef CONFIG_ARM_SMMU_QCOM_TBU
+	.context_fault = qcom_smmu_context_fault,
+	.context_fault_needs_threaded_irq = true,
+#endif
 };
 
 static const struct arm_smmu_impl sdm845_smmu_500_impl = {

WARNING: multiple messages have this Message-ID (diff)
From: Georgi Djakov <quic_c_gdjako@quicinc.com>
To: <robh+dt@kernel.org>, <krzysztof.kozlowski+dt@linaro.org>,
	<conor+dt@kernel.org>, <will@kernel.org>, <robin.murphy@arm.com>,
	<joro@8bytes.org>, <iommu@lists.linux.dev>
Cc: <devicetree@vger.kernel.org>, <andersson@kernel.org>,
	<konrad.dybcio@linaro.org>, <robdclark@gmail.com>,
	<linux-arm-kernel@lists.infradead.org>,
	<linux-kernel@vger.kernel.org>, <linux-arm-msm@vger.kernel.org>,
	<quic_cgoldswo@quicinc.com>, <quic_sukadev@quicinc.com>,
	<quic_pdaly@quicinc.com>, <quic_sudaraja@quicinc.com>,
	<djakov@kernel.org>
Subject: [PATCH v6 6/7] iommu/arm-smmu-qcom: Use the custom fault handler on more platforms
Date: Thu, 7 Mar 2024 11:05:24 -0800	[thread overview]
Message-ID: <20240307190525.395291-7-quic_c_gdjako@quicinc.com> (raw)
In-Reply-To: <20240307190525.395291-1-quic_c_gdjako@quicinc.com>

The TBU support is now available, so let's allow it to be used on other
platforms that have the Qualcomm SMMU-500 implementation with TBUs. This
will allow the context fault handler to query the TBUs when a context
fault occurs.

Signed-off-by: Georgi Djakov <quic_c_gdjako@quicinc.com>
---
 drivers/iommu/arm/arm-smmu/arm-smmu-qcom.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/drivers/iommu/arm/arm-smmu/arm-smmu-qcom.c b/drivers/iommu/arm/arm-smmu/arm-smmu-qcom.c
index 7a58b1b96bca..08e0ad325bab 100644
--- a/drivers/iommu/arm/arm-smmu/arm-smmu-qcom.c
+++ b/drivers/iommu/arm/arm-smmu/arm-smmu-qcom.c
@@ -413,6 +413,10 @@ static const struct arm_smmu_impl qcom_smmu_500_impl = {
 	.reset = arm_mmu500_reset,
 	.write_s2cr = qcom_smmu_write_s2cr,
 	.tlb_sync = qcom_smmu_tlb_sync,
+#ifdef CONFIG_ARM_SMMU_QCOM_TBU
+	.context_fault = qcom_smmu_context_fault,
+	.context_fault_needs_threaded_irq = true,
+#endif
 };
 
 static const struct arm_smmu_impl sdm845_smmu_500_impl = {

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  parent reply	other threads:[~2024-03-07 19:06 UTC|newest]

Thread overview: 20+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2024-03-07 19:05 [PATCH v6 0/7] Add support for Translation Buffer Units Georgi Djakov
2024-03-07 19:05 ` Georgi Djakov
2024-03-07 19:05 ` [PATCH v6 1/7] dt-bindings: iommu: Add Qualcomm TBU Georgi Djakov
2024-03-07 19:05   ` Georgi Djakov
2024-03-07 22:24   ` Rob Herring
2024-03-07 22:24     ` Rob Herring
2024-03-07 19:05 ` [PATCH v6 2/7] iommu/arm-smmu-qcom-tbu: Add Qualcomm TBU driver Georgi Djakov
2024-03-07 19:05   ` Georgi Djakov
2024-03-07 19:05 ` [PATCH v6 3/7] iommu/arm-smmu: Allow using a threaded handler for context interrupts Georgi Djakov
2024-03-07 19:05   ` Georgi Djakov
2024-03-07 19:05 ` [PATCH v6 4/7] iommu/arm-smmu-qcom: Use a custom context fault handler for sdm845 Georgi Djakov
2024-03-07 19:05   ` Georgi Djakov
2024-03-12 18:14   ` Konrad Dybcio
2024-03-12 18:14     ` Konrad Dybcio
2024-03-07 19:05 ` [PATCH v6 5/7] arm64: dts: qcom: sdm845: Add DT nodes for the TBUs Georgi Djakov
2024-03-07 19:05   ` Georgi Djakov
2024-03-07 19:05 ` Georgi Djakov [this message]
2024-03-07 19:05   ` [PATCH v6 6/7] iommu/arm-smmu-qcom: Use the custom fault handler on more platforms Georgi Djakov
2024-03-07 19:05 ` [PATCH v6 7/7] arm64: dts: qcom: sc7280: Add DT nodes for the TBUs Georgi Djakov
2024-03-07 19:05   ` Georgi Djakov

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