int agaw;
/* maximum mapped address */
u64 max_addr;
+ /* Protect the s1_domains list */
+ spinlock_t s1_lock;
+ /* Track s1_domains nested on this domain */
+ struct list_head s1_domains;
};
/* Nested user domain */
unsigned long s1_pgtbl;
/* page table attributes */
struct iommu_hwpt_vtd_s1 s1_cfg;
+ /* link to parent domain siblings */
+ struct list_head s2_link;
};
};
#endif
struct iopf_queue *iopf_queue;
unsigned char iopfq_name[16];
+ /* Synchronization between fault report and iommu device release. */
+ struct mutex iopf_lock;
struct q_inval *qi; /* Queued invalidation info */
u32 iommu_state[MAX_SR_DMAR_REGS]; /* Store iommu states between suspend and resume.*/
+ /* rb tree for all probed devices */
+ struct rb_root device_rbtree;
+ /* protect the device_rbtree */
+ spinlock_t device_rbtree_lock;
+
#ifdef CONFIG_IRQ_REMAP
struct ir_table *ir_table; /* Interrupt remapping info */
struct irq_domain *ir_domain;
struct intel_iommu *iommu; /* IOMMU used by this device */
struct dmar_domain *domain; /* pointer to domain */
struct pasid_table *pasid_table; /* pasid table */
+ /* device tracking node(lookup by PCI RID) */
+ struct rb_node node;
#ifdef CONFIG_INTEL_IOMMU_DEBUGFS
struct dentry *debugfs_dentry; /* pointer to device directory dentry */
#endif
*/
#define QI_OPT_WAIT_DRAIN BIT(0)
+void domain_update_iotlb(struct dmar_domain *domain);
int domain_attach_iommu(struct dmar_domain *domain, struct intel_iommu *iommu);
void domain_detach_iommu(struct dmar_domain *domain, struct intel_iommu *iommu);
void device_block_translation(struct device *dev);
void iommu_flush_write_buffer(struct intel_iommu *iommu);
struct iommu_domain *intel_nested_domain_alloc(struct iommu_domain *parent,
const struct iommu_user_data *user_data);
+struct device *device_rbtree_find(struct intel_iommu *iommu, u16 rid);
#ifdef CONFIG_INTEL_IOMMU_SVM
void intel_svm_check(struct intel_iommu *iommu);
int intel_svm_enable_prq(struct intel_iommu *iommu);
int intel_svm_finish_prq(struct intel_iommu *iommu);
-int intel_svm_page_response(struct device *dev, struct iommu_fault_event *evt,
- struct iommu_page_response *msg);
+void intel_svm_page_response(struct device *dev, struct iopf_fault *evt,
+ struct iommu_page_response *msg);
struct iommu_domain *intel_svm_domain_alloc(void);
void intel_svm_remove_dev_pasid(struct device *dev, ioasid_t pasid);
void intel_drain_pasid_prq(struct device *dev, u32 pasid);