linux-kernel - [PATCH 2/3] iommu/arm-smmu: Expose s2cr and smr structs to impl

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Date:   Thu, 26 Dec 2019 14:17:08 -0800
From:   Bjorn Andersson <bjorn.andersson@...aro.org>
To:     Will Deacon <will@...nel.org>, Robin Murphy <robin.murphy@....com>,
        Joerg Roedel <joro@...tes.org>
Cc:     linux-arm-kernel@...ts.infradead.org,
        iommu@...ts.linux-foundation.org, linux-kernel@...r.kernel.org,
        linux-arm-msm@...r.kernel.org, Patrick Daly <pdaly@...eaurora.org>,
        Pratik Patel <pratikp@...eaurora.org>,
        Rob Clark <robdclark@...il.com>
Subject: [PATCH 2/3] iommu/arm-smmu: Expose s2cr and smr structs to impl

Move the arm_smmu_s2cr and arm_smmu_smr structs to the internal header
file, in order to expose them to the platform specific arm-smmu
implementations.

Signed-off-by: Bjorn Andersson <bjorn.andersson@...aro.org>
---

Changes since RFC:
- New patch

 drivers/iommu/arm-smmu.c | 14 --------------
 drivers/iommu/arm-smmu.h | 14 ++++++++++++++
 2 files changed, 14 insertions(+), 14 deletions(-)

diff --git a/drivers/iommu/arm-smmu.c b/drivers/iommu/arm-smmu.c
index 6ca6a4e072c8..9a9091b9dcc7 100644
--- a/drivers/iommu/arm-smmu.c
+++ b/drivers/iommu/arm-smmu.c
@@ -73,24 +73,10 @@ module_param(disable_bypass, bool, S_IRUGO);
 MODULE_PARM_DESC(disable_bypass,
 	"Disable bypass streams such that incoming transactions from devices that are not attached to an iommu domain will report an abort back to the device and will not be allowed to pass through the SMMU.");
 
-struct arm_smmu_s2cr {
-	struct iommu_group		*group;
-	int				count;
-	enum arm_smmu_s2cr_type		type;
-	enum arm_smmu_s2cr_privcfg	privcfg;
-	u8				cbndx;
-};
-
 #define s2cr_init_val (struct arm_smmu_s2cr){				\
 	.type = disable_bypass ? S2CR_TYPE_FAULT : S2CR_TYPE_BYPASS,	\
 }
 
-struct arm_smmu_smr {
-	u16				mask;
-	u16				id;
-	bool				valid;
-};
-
 struct arm_smmu_cb {
 	u64				ttbr[2];
 	u32				tcr[2];
diff --git a/drivers/iommu/arm-smmu.h b/drivers/iommu/arm-smmu.h
index 62b9f0cec49b..73f94579b926 100644
--- a/drivers/iommu/arm-smmu.h
+++ b/drivers/iommu/arm-smmu.h
@@ -224,6 +224,20 @@ enum arm_smmu_implementation {
 	QCOM_SMMUV2,
 };
 
+struct arm_smmu_s2cr {
+	struct iommu_group		*group;
+	int				count;
+	enum arm_smmu_s2cr_type		type;
+	enum arm_smmu_s2cr_privcfg	privcfg;
+	u8				cbndx;
+};
+
+struct arm_smmu_smr {
+	u16				mask;
+	u16				id;
+	bool				valid;
+};
+
 struct arm_smmu_device {
 	struct device			*dev;
 
-- 
2.24.0