diff options
Diffstat (limited to 'include/linux/intel-iommu.h')
| -rw-r--r-- | include/linux/intel-iommu.h | 13 |
1 files changed, 12 insertions, 1 deletions
diff --git a/include/linux/intel-iommu.h b/include/linux/intel-iommu.h index fa364de9db18..6925a18a5ca3 100644 --- a/include/linux/intel-iommu.h +++ b/include/linux/intel-iommu.h @@ -489,9 +489,11 @@ struct dmar_domain { /* Domain ids per IOMMU. Use u16 since * domain ids are 16 bit wide according * to VT-d spec, section 9.3 */ + unsigned int auxd_refcnt; /* Refcount of auxiliary attaching */ bool has_iotlb_device; struct list_head devices; /* all devices' list */ + struct list_head auxd; /* link to device's auxiliary list */ struct iova_domain iovad; /* iova's that belong to this domain */ struct dma_pte *pgd; /* virtual address */ @@ -510,6 +512,11 @@ struct dmar_domain { 2 == 1GiB, 3 == 512GiB, 4 == 1TiB */ u64 max_addr; /* maximum mapped address */ + int default_pasid; /* + * The default pasid used for non-SVM + * traffic on mediated devices. + */ + struct iommu_domain domain; /* generic domain data structure for iommu core */ }; @@ -559,6 +566,9 @@ struct device_domain_info { struct list_head link; /* link to domain siblings */ struct list_head global; /* link to global list */ struct list_head table; /* link to pasid table */ + struct list_head auxiliary_domains; /* auxiliary domains + * attached to this device + */ u8 bus; /* PCI bus number */ u8 devfn; /* PCI devfn number */ u16 pfsid; /* SRIOV physical function source ID */ @@ -568,6 +578,7 @@ struct device_domain_info { u8 pri_enabled:1; u8 ats_supported:1; u8 ats_enabled:1; + u8 auxd_enabled:1; /* Multiple domains per device */ u8 ats_qdep; struct device *dev; /* it's NULL for PCIe-to-PCI bridge */ struct intel_iommu *iommu; /* IOMMU used by this device */ @@ -650,6 +661,7 @@ struct intel_iommu *domain_get_iommu(struct dmar_domain *domain); int for_each_device_domain(int (*fn)(struct device_domain_info *info, void *data), void *data); void iommu_flush_write_buffer(struct intel_iommu *iommu); +int intel_iommu_enable_pasid(struct intel_iommu *iommu, struct device *dev); #ifdef CONFIG_INTEL_IOMMU_SVM int intel_svm_init(struct intel_iommu *iommu); @@ -679,7 +691,6 @@ struct intel_svm { struct list_head list; }; -extern int intel_iommu_enable_pasid(struct intel_iommu *iommu, struct intel_svm_dev *sdev); extern struct intel_iommu *intel_svm_device_to_iommu(struct device *dev); #endif |