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Diffstat (limited to 'include/linux/iommu.h')
-rw-r--r--include/linux/iommu.h20
1 files changed, 19 insertions, 1 deletions
diff --git a/include/linux/iommu.h b/include/linux/iommu.h
index 2320548a90f8..c9d4f175f121 100644
--- a/include/linux/iommu.h
+++ b/include/linux/iommu.h
@@ -41,7 +41,6 @@ struct iommu_dirty_ops;
struct notifier_block;
struct iommu_sva;
struct iommu_dma_cookie;
-struct iopf_queue;
#define IOMMU_FAULT_PERM_READ (1 << 0) /* read */
#define IOMMU_FAULT_PERM_WRITE (1 << 1) /* write */
@@ -126,6 +125,25 @@ struct iopf_fault {
struct list_head list;
};
+struct iopf_group {
+ struct iopf_fault last_fault;
+ struct list_head faults;
+ struct work_struct work;
+ struct device *dev;
+};
+
+/**
+ * struct iopf_queue - IO Page Fault queue
+ * @wq: the fault workqueue
+ * @devices: devices attached to this queue
+ * @lock: protects the device list
+ */
+struct iopf_queue {
+ struct workqueue_struct *wq;
+ struct list_head devices;
+ struct mutex lock;
+};
+
/* iommu fault flags */
#define IOMMU_FAULT_READ 0x0
#define IOMMU_FAULT_WRITE 0x1