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-rw-r--r--arch/arm/include/asm/kvm_mmu.h29
1 files changed, 26 insertions, 3 deletions
diff --git a/arch/arm/include/asm/kvm_mmu.h b/arch/arm/include/asm/kvm_mmu.h
index eaa6deac97b2..acb0d5712716 100644
--- a/arch/arm/include/asm/kvm_mmu.h
+++ b/arch/arm/include/asm/kvm_mmu.h
@@ -37,6 +37,11 @@
*/
#define TRAMPOLINE_VA UL(CONFIG_VECTORS_BASE)
+/*
+ * KVM_MMU_CACHE_MIN_PAGES is the number of stage2 page table translation levels.
+ */
+#define KVM_MMU_CACHE_MIN_PAGES 2
+
#ifndef __ASSEMBLY__
#include <asm/cacheflush.h>
@@ -83,6 +88,11 @@ static inline void kvm_clean_pgd(pgd_t *pgd)
clean_dcache_area(pgd, PTRS_PER_S2_PGD * sizeof(pgd_t));
}
+static inline void kvm_clean_pmd(pmd_t *pmd)
+{
+ clean_dcache_area(pmd, PTRS_PER_PMD * sizeof(pmd_t));
+}
+
static inline void kvm_clean_pmd_entry(pmd_t *pmd)
{
clean_pmd_entry(pmd);
@@ -123,10 +133,23 @@ static inline bool kvm_page_empty(void *ptr)
}
-#define kvm_pte_table_empty(ptep) kvm_page_empty(ptep)
-#define kvm_pmd_table_empty(pmdp) kvm_page_empty(pmdp)
-#define kvm_pud_table_empty(pudp) (0)
+#define kvm_pte_table_empty(kvm, ptep) kvm_page_empty(ptep)
+#define kvm_pmd_table_empty(kvm, pmdp) kvm_page_empty(pmdp)
+#define kvm_pud_table_empty(kvm, pudp) (0)
+
+#define KVM_PREALLOC_LEVEL 0
+static inline int kvm_prealloc_hwpgd(struct kvm *kvm, pgd_t *pgd)
+{
+ return 0;
+}
+
+static inline void kvm_free_hwpgd(struct kvm *kvm) { }
+
+static inline void *kvm_get_hwpgd(struct kvm *kvm)
+{
+ return kvm->arch.pgd;
+}
struct kvm;
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