mtd: rawnand: fsmc: Keep bank enable bit set

[uclinux-h8/linux.git] / drivers / iommu / intel-pasid.h

diff --git a/drivers/iommu/intel-pasid.h b/drivers/iommu/intel-pasid.h
index 1fb5e12..23537b3 100644 (file)
--- a/drivers/iommu/intel-pasid.h
+++ b/drivers/iommu/intel-pasid.h
@@ -10,13 +10,37 @@
 #ifndef __INTEL_PASID_H
 #define __INTEL_PASID_H
 
+#define PASID_RID2PASID                        0x0
 #define PASID_MIN                      0x1
-#define PASID_MAX                      0x20000
+#define PASID_MAX                      0x100000
+#define PASID_PTE_MASK                 0x3F
+#define PASID_PTE_PRESENT              1
+#define PDE_PFN_MASK                   PAGE_MASK
+#define PASID_PDE_SHIFT                        6
+#define MAX_NR_PASID_BITS              20
 
-struct pasid_entry {
+/*
+ * Domain ID reserved for pasid entries programmed for first-level
+ * only and pass-through transfer modes.
+ */
+#define FLPT_DEFAULT_DID               1
+
+/*
+ * The SUPERVISOR_MODE flag indicates a first level translation which
+ * can be used for access to kernel addresses. It is valid only for
+ * access to the kernel's static 1:1 mapping of physical memory — not
+ * to vmalloc or even module mappings.
+ */
+#define PASID_FLAG_SUPERVISOR_MODE     BIT(0)
+
+struct pasid_dir_entry {
        u64 val;
 };
 
+struct pasid_entry {
+       u64 val[8];
+};
+
 /* The representative of a PASID table */
 struct pasid_table {
        void                    *table;         /* pasid table pointer */
@@ -34,6 +58,16 @@ void intel_pasid_free_table(struct device *dev);
 struct pasid_table *intel_pasid_get_table(struct device *dev);
 int intel_pasid_get_dev_max_id(struct device *dev);
 struct pasid_entry *intel_pasid_get_entry(struct device *dev, int pasid);
-void intel_pasid_clear_entry(struct device *dev, int pasid);
+int intel_pasid_setup_first_level(struct intel_iommu *iommu,
+                                 struct device *dev, pgd_t *pgd,
+                                 int pasid, u16 did, int flags);
+int intel_pasid_setup_second_level(struct intel_iommu *iommu,
+                                  struct dmar_domain *domain,
+                                  struct device *dev, int pasid);
+int intel_pasid_setup_pass_through(struct intel_iommu *iommu,
+                                  struct dmar_domain *domain,
+                                  struct device *dev, int pasid);
+void intel_pasid_tear_down_entry(struct intel_iommu *iommu,
+                                struct device *dev, int pasid);
 
 #endif /* __INTEL_PASID_H */