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-rw-r--r--include/linux/intel-iommu.h9
1 files changed, 7 insertions, 2 deletions
diff --git a/include/linux/intel-iommu.h b/include/linux/intel-iommu.h
index b4da61385ebf..08ff588a4df7 100644
--- a/include/linux/intel-iommu.h
+++ b/include/linux/intel-iommu.h
@@ -401,13 +401,18 @@ enum {
#define QI_GRAN_NONG_PASID 2
#define QI_GRAN_PSI_PASID 3
+#define qi_shift(iommu) (DMAR_IQ_SHIFT + !!ecap_smts((iommu)->ecap))
+
struct qi_desc {
- u64 low, high;
+ u64 qw0;
+ u64 qw1;
+ u64 qw2;
+ u64 qw3;
};
struct q_inval {
raw_spinlock_t q_lock;
- struct qi_desc *desc; /* invalidation queue */
+ void *desc; /* invalidation queue */
int *desc_status; /* desc status */
int free_head; /* first free entry */
int free_tail; /* last free entry */