diff options
Diffstat (limited to 'drivers/iommu/intel/iommu.c')
| -rw-r--r-- | drivers/iommu/intel/iommu.c | 18 |
1 files changed, 11 insertions, 7 deletions
diff --git a/drivers/iommu/intel/iommu.c b/drivers/iommu/intel/iommu.c index 3531b956556c..897159dba47d 100644 --- a/drivers/iommu/intel/iommu.c +++ b/drivers/iommu/intel/iommu.c @@ -299,7 +299,7 @@ static int iommu_skip_te_disable; #define IDENTMAP_AZALIA 4 const struct iommu_ops intel_iommu_ops; -const struct iommu_dirty_ops intel_dirty_ops; +static const struct iommu_dirty_ops intel_dirty_ops; static bool translation_pre_enabled(struct intel_iommu *iommu) { @@ -2207,6 +2207,8 @@ __domain_mapping(struct dmar_domain *domain, unsigned long iov_pfn, attr |= DMA_FL_PTE_DIRTY; } + domain->has_mappings = true; + pteval = ((phys_addr_t)phys_pfn << VTD_PAGE_SHIFT) | attr; while (nr_pages > 0) { @@ -2490,7 +2492,8 @@ static int dmar_domain_attach_device(struct dmar_domain *domain, return ret; } - iommu_enable_pci_caps(info); + if (sm_supported(info->iommu) || !domain_type_is_si(info->domain)) + iommu_enable_pci_caps(info); return 0; } @@ -3925,8 +3928,8 @@ static int domain_context_clear_one_cb(struct pci_dev *pdev, u16 alias, void *op */ static void domain_context_clear(struct device_domain_info *info) { - if (!info->iommu || !info->dev || !dev_is_pci(info->dev)) - return; + if (!dev_is_pci(info->dev)) + domain_context_clear_one(info, info->bus, info->devfn); pci_for_each_dma_alias(to_pci_dev(info->dev), &domain_context_clear_one_cb, info); @@ -4360,7 +4363,8 @@ static bool intel_iommu_enforce_cache_coherency(struct iommu_domain *domain) return true; spin_lock_irqsave(&dmar_domain->lock, flags); - if (!domain_support_force_snooping(dmar_domain)) { + if (!domain_support_force_snooping(dmar_domain) || + (!dmar_domain->use_first_level && dmar_domain->has_mappings)) { spin_unlock_irqrestore(&dmar_domain->lock, flags); return false; } @@ -4925,7 +4929,7 @@ static int intel_iommu_read_and_clear_dirty(struct iommu_domain *domain, return 0; } -const struct iommu_dirty_ops intel_dirty_ops = { +static const struct iommu_dirty_ops intel_dirty_ops = { .set_dirty_tracking = intel_iommu_set_dirty_tracking, .read_and_clear_dirty = intel_iommu_read_and_clear_dirty, }; @@ -5073,7 +5077,7 @@ static void quirk_igfx_skip_te_disable(struct pci_dev *dev) ver = (dev->device >> 8) & 0xff; if (ver != 0x45 && ver != 0x46 && ver != 0x4c && ver != 0x4e && ver != 0x8a && ver != 0x98 && - ver != 0x9a && ver != 0xa7) + ver != 0x9a && ver != 0xa7 && ver != 0x7d) return; if (risky_device(dev)) |