From: Kunkun Jiang jiangkunkun@huawei.com
virt inclusion category: bugfix bugzilla: https://gitee.com/openeuler/kernel/issues/I61SPO CVE: NA
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This reverts commit 04039cc97a8839f000fb8cfaa71d84ea0bae7850.
Signed-off-by: Kunkun Jiang jiangkunkun@huawei.com Reviewed-by: Keqian Zhu zhukeqian1@huawei.com Signed-off-by: Zheng Zengkai zhengzengkai@huawei.com --- drivers/iommu/arm/arm-smmu-v3/arm-smmu-v3.c | 88 --------------------- 1 file changed, 88 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 52df1e26976b..f4d2e31b2afb 100644 --- a/drivers/iommu/arm/arm-smmu-v3/arm-smmu-v3.c +++ b/drivers/iommu/arm/arm-smmu-v3/arm-smmu-v3.c @@ -3612,93 +3612,6 @@ static void arm_smmu_detach_pasid_table(struct iommu_domain *domain) mutex_unlock(&smmu_domain->init_mutex); }
-static int -arm_smmu_cache_invalidate(struct iommu_domain *domain, struct device *dev, - struct iommu_cache_invalidate_info *inv_info) -{ - struct arm_smmu_cmdq_ent cmd = {.opcode = CMDQ_OP_TLBI_NSNH_ALL}; - struct arm_smmu_domain *smmu_domain = to_smmu_domain(domain); - struct arm_smmu_device *smmu = smmu_domain->smmu; - - if (smmu_domain->stage != ARM_SMMU_DOMAIN_NESTED) - return -EINVAL; - - if (!smmu) - return -EINVAL; - - if (inv_info->version != IOMMU_CACHE_INVALIDATE_INFO_VERSION_1) - return -EINVAL; - - if (inv_info->cache & IOMMU_CACHE_INV_TYPE_PASID || - inv_info->cache & IOMMU_CACHE_INV_TYPE_DEV_IOTLB) { - return -ENOENT; - } - - if (!(inv_info->cache & IOMMU_CACHE_INV_TYPE_IOTLB)) - return -EINVAL; - - /* IOTLB invalidation */ - - switch (inv_info->granularity) { - case IOMMU_INV_GRANU_PASID: - { - struct iommu_inv_pasid_info *info = - &inv_info->granu.pasid_info; - - if (info->flags & IOMMU_INV_ADDR_FLAGS_PASID) - return -ENOENT; - if (!(info->flags & IOMMU_INV_PASID_FLAGS_ARCHID)) - return -EINVAL; - - __arm_smmu_tlb_inv_context(smmu_domain, info->archid); - return 0; - } - case IOMMU_INV_GRANU_ADDR: - { - struct iommu_inv_addr_info *info = &inv_info->granu.addr_info; - size_t granule_size = info->granule_size; - size_t size = info->nb_granules * info->granule_size; - bool leaf = info->flags & IOMMU_INV_ADDR_FLAGS_LEAF; - int tg; - - if (info->flags & IOMMU_INV_ADDR_FLAGS_PASID) - return -ENOENT; - - if (!(info->flags & IOMMU_INV_ADDR_FLAGS_ARCHID)) - break; - - tg = __ffs(granule_size); - if (granule_size & ~(1 << tg)) - return -EINVAL; - /* - * When RIL is not supported, make sure the granule size that is - * passed is supported. In RIL mode, this is enforced in - * __arm_smmu_tlb_inv_range() - */ - if (!(smmu->features & ARM_SMMU_FEAT_RANGE_INV) && - !(granule_size & smmu_domain->domain.pgsize_bitmap)) { - tg = __ffs(smmu_domain->domain.pgsize_bitmap); - granule_size = 1 << tg; - size = size >> tg; - } - - arm_smmu_tlb_inv_range_domain(info->addr, size, - granule_size, leaf, - info->archid, smmu_domain); - return 0; - } - case IOMMU_INV_GRANU_DOMAIN: - break; - default: - return -EINVAL; - } - - /* Global S1 invalidation */ - cmd.tlbi.vmid = smmu_domain->s2_cfg.vmid; - arm_smmu_cmdq_issue_cmd_with_sync(smmu, &cmd); - return 0; -} - static bool arm_smmu_dev_has_feature(struct device *dev, enum iommu_dev_features feat) { @@ -4207,7 +4120,6 @@ static struct iommu_ops arm_smmu_ops = { .put_resv_regions = generic_iommu_put_resv_regions, .attach_pasid_table = arm_smmu_attach_pasid_table, .detach_pasid_table = arm_smmu_detach_pasid_table, - .cache_invalidate = arm_smmu_cache_invalidate, .dev_has_feat = arm_smmu_dev_has_feature, .dev_feat_enabled = arm_smmu_dev_feature_enabled, .dev_enable_feat = arm_smmu_dev_enable_feature,