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-rw-r--r--include/linux/intel-iommu.h11
1 files changed, 11 insertions, 0 deletions
diff --git a/include/linux/intel-iommu.h b/include/linux/intel-iommu.h
index 77214ead1a3..3771cd1f876 100644
--- a/include/linux/intel-iommu.h
+++ b/include/linux/intel-iommu.h
@@ -284,6 +284,14 @@ struct iommu_flush {
unsigned int size_order, u64 type, int non_present_entry_flush);
};
+enum {
+ SR_DMAR_FECTL_REG,
+ SR_DMAR_FEDATA_REG,
+ SR_DMAR_FEADDR_REG,
+ SR_DMAR_FEUADDR_REG,
+ MAX_SR_DMAR_REGS
+};
+
struct intel_iommu {
void __iomem *reg; /* Pointer to hardware regs, virtual addr */
u64 cap;
@@ -304,6 +312,8 @@ struct intel_iommu {
struct iommu_flush flush;
#endif
struct q_inval *qi; /* Queued invalidation info */
+ u32 *iommu_state; /* Store iommu states between suspend and resume.*/
+
#ifdef CONFIG_INTR_REMAP
struct ir_table *ir_table; /* Interrupt remapping info */
#endif
@@ -322,6 +332,7 @@ extern int alloc_iommu(struct dmar_drhd_unit *drhd);
extern void free_iommu(struct intel_iommu *iommu);
extern int dmar_enable_qi(struct intel_iommu *iommu);
extern void dmar_disable_qi(struct intel_iommu *iommu);
+extern int dmar_reenable_qi(struct intel_iommu *iommu);
extern void qi_global_iec(struct intel_iommu *iommu);
extern int qi_flush_context(struct intel_iommu *iommu, u16 did, u16 sid,