Messages in this thread Patch in this message | | | From | Nicolin Chen <> | Subject | [PATCH v6 4/6] iommu/arm-smmu-v3: Make __arm_smmu_cmdq_skip_err reusable | Date | Mon, 29 Apr 2024 21:43:47 -0700 |
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Allow __arm_smmu_cmdq_skip_err function to be reused by NVIDIA Tegra241 CMDQV unit since it will use the same data structure for q. And include the CMDQ_QUIRK_SYNC_CS_NONE_ONLY quirk when inserting a CMD_SYNC.
Signed-off-by: Nicolin Chen <nicolinc@nvidia.com> --- drivers/iommu/arm/arm-smmu-v3/arm-smmu-v3.c | 7 +++++-- drivers/iommu/arm/arm-smmu-v3/arm-smmu-v3.h | 2 ++ 2 files changed, 7 insertions(+), 2 deletions(-)
diff --git a/drivers/iommu/arm/arm-smmu-v3/arm-smmu-v3.c b/drivers/iommu/arm/arm-smmu-v3/arm-smmu-v3.c index 538850059bdd..5111859347d5 100644 --- a/drivers/iommu/arm/arm-smmu-v3/arm-smmu-v3.c +++ b/drivers/iommu/arm/arm-smmu-v3/arm-smmu-v3.c @@ -379,8 +379,8 @@ static void arm_smmu_cmdq_build_sync_cmd(u64 *cmd, struct arm_smmu_device *smmu, arm_smmu_cmdq_build_cmd(cmd, &ent); } -static void __arm_smmu_cmdq_skip_err(struct arm_smmu_device *smmu, - struct arm_smmu_queue *q) +void __arm_smmu_cmdq_skip_err(struct arm_smmu_device *smmu, + struct arm_smmu_queue *q) { static const char * const cerror_str[] = { [CMDQ_ERR_CERROR_NONE_IDX] = "No error", @@ -428,6 +428,9 @@ static void __arm_smmu_cmdq_skip_err(struct arm_smmu_device *smmu, for (i = 0; i < ARRAY_SIZE(cmd); ++i) dev_err(smmu->dev, "\t0x%016llx\n", (unsigned long long)cmd[i]); + if (q->quirks & CMDQ_QUIRK_SYNC_CS_NONE_ONLY) + cmd_sync.sync.cs_none = true; + /* Convert the erroneous command into a CMD_SYNC */ arm_smmu_cmdq_build_cmd(cmd, &cmd_sync); diff --git a/drivers/iommu/arm/arm-smmu-v3/arm-smmu-v3.h b/drivers/iommu/arm/arm-smmu-v3/arm-smmu-v3.h index ab2824e46ac5..32e7fc5e1794 100644 --- a/drivers/iommu/arm/arm-smmu-v3/arm-smmu-v3.h +++ b/drivers/iommu/arm/arm-smmu-v3/arm-smmu-v3.h @@ -762,6 +762,8 @@ int arm_smmu_atc_inv_domain(struct arm_smmu_domain *smmu_domain, int ssid, int arm_smmu_cmdq_init(struct arm_smmu_device *smmu, struct arm_smmu_cmdq *cmdq); +void __arm_smmu_cmdq_skip_err(struct arm_smmu_device *smmu, + struct arm_smmu_queue *q); #ifdef CONFIG_ARM_SMMU_V3_SVA bool arm_smmu_sva_supported(struct arm_smmu_device *smmu); -- 2.43.0
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