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Diffstat (limited to 'drivers/iommu/amd_iommu.c')
-rw-r--r--drivers/iommu/amd_iommu.c21
1 files changed, 21 insertions, 0 deletions
diff --git a/drivers/iommu/amd_iommu.c b/drivers/iommu/amd_iommu.c
index ecb0109a5360..fe6d7cc715f7 100644
--- a/drivers/iommu/amd_iommu.c
+++ b/drivers/iommu/amd_iommu.c
@@ -88,6 +88,27 @@ int amd_iommu_max_glx_val = -1;
static struct dma_map_ops amd_iommu_dma_ops;
/*
+ * This struct contains device specific data for the IOMMU
+ */
+struct iommu_dev_data {
+ struct list_head list; /* For domain->dev_list */
+ struct list_head dev_data_list; /* For global dev_data_list */
+ struct iommu_dev_data *alias_data;/* The alias dev_data */
+ struct protection_domain *domain; /* Domain the device is bound to */
+ atomic_t bind; /* Domain attach reference count */
+ u16 devid; /* PCI Device ID */
+ bool iommu_v2; /* Device can make use of IOMMUv2 */
+ bool passthrough; /* Default for device is pt_domain */
+ struct {
+ bool enabled;
+ int qdep;
+ } ats; /* ATS state */
+ bool pri_tlp; /* PASID TLB required for
+ PPR completions */
+ u32 errata; /* Bitmap for errata to apply */
+};
+
+/*
* general struct to manage commands send to an IOMMU
*/
struct iommu_cmd {