From: Jordan Crouse <jcrouse@codeaurora.org>
To: linux-arm-msm@vger.kernel.org
Cc: iommu@lists.linux-foundation.org,
freedreno@lists.freedesktop.org, Joerg Roedel <joro@8bytes.org>,
Robin Murphy <robin.murphy@arm.com>,
Will Deacon <will@kernel.org>,
linux-arm-kernel@lists.infradead.org,
linux-kernel@vger.kernel.org
Subject: [PATCH v8 4/7] iommu/arm-smmu: Add a pointer to the attached device to smmu_domain
Date: Thu, 11 Jun 2020 16:21:25 -0600 [thread overview]
Message-ID: <20200611222128.28826-5-jcrouse@codeaurora.org> (raw)
In-Reply-To: <20200611222128.28826-1-jcrouse@codeaurora.org>
Add a link to the pointer to the struct device that is attached to a
domain. This makes it easy to get the pointer if it is needed in the
implementation specific code.
Signed-off-by: Jordan Crouse <jcrouse@codeaurora.org>
---
drivers/iommu/arm-smmu.c | 1 +
drivers/iommu/arm-smmu.h | 1 +
2 files changed, 2 insertions(+)
diff --git a/drivers/iommu/arm-smmu.c b/drivers/iommu/arm-smmu.c
index 048de2681670..743d75b9ff3f 100644
--- a/drivers/iommu/arm-smmu.c
+++ b/drivers/iommu/arm-smmu.c
@@ -801,6 +801,7 @@ static int arm_smmu_init_domain_context(struct iommu_domain *domain,
cfg->asid = cfg->cbndx;
smmu_domain->smmu = smmu;
+ smmu_domain->dev = dev;
pgtbl_cfg = (struct io_pgtable_cfg) {
.pgsize_bitmap = smmu->pgsize_bitmap,
diff --git a/drivers/iommu/arm-smmu.h b/drivers/iommu/arm-smmu.h
index 5f2de20e883b..d33cfe26b2f5 100644
--- a/drivers/iommu/arm-smmu.h
+++ b/drivers/iommu/arm-smmu.h
@@ -345,6 +345,7 @@ struct arm_smmu_domain {
struct mutex init_mutex; /* Protects smmu pointer */
spinlock_t cb_lock; /* Serialises ATS1* ops and TLB syncs */
struct iommu_domain domain;
+ struct device *dev; /* Device attached to this domain */
};
static inline u32 arm_smmu_lpae_tcr(struct io_pgtable_cfg *cfg)
--
2.17.1
next prev parent reply other threads:[~2020-06-11 22:22 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-06-11 22:21 [PATCH v8 0/7] iommu/arm-smmu: Enable split pagetable support Jordan Crouse
2020-06-11 22:21 ` [PATCH v8 1/7] iommu/arm-smmu: Pass io-pgtable config to implementation specific function Jordan Crouse
2020-06-11 22:21 ` [PATCH v8 2/7] iommu/arm-smmu: Add support for split pagetables Jordan Crouse
2020-06-11 22:21 ` [PATCH v8 3/7] dt-bindings: arm-smmu: Add compatible string for Adreno GPU SMMU Jordan Crouse
2020-06-17 22:40 ` Rob Herring
2020-06-11 22:21 ` Jordan Crouse [this message]
2020-06-12 4:19 ` [PATCH v8 4/7] iommu/arm-smmu: Add a pointer to the attached device to smmu_domain kernel test robot
2020-06-11 22:21 ` [PATCH v8 5/7] iommu/arm-smmu: Add implementation for the adreno GPU SMMU Jordan Crouse
2020-06-12 5:11 ` kernel test robot
2020-06-13 1:34 ` kernel test robot
2020-06-11 22:21 ` [PATCH v8 6/7] drm/msm: Set the global virtual address range from the IOMMU domain Jordan Crouse
2020-06-11 22:21 ` [PATCH v8 7/7] arm: dts: qcom: sm845: Set the compatible string for the GPU SMMU Jordan Crouse
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