s390/mm: extended gmap pte notifier

[karo-tx-linux.git] / arch / s390 / include / asm / pgtable.h

diff --git a/arch/s390/include/asm/pgtable.h b/arch/s390/include/asm/pgtable.h
index 18d2beb89340a6deeb4e9cdb48cca5a27b23155d..35dde6afffcf951ce08a657ded94d10d3ad745fc 100644 (file)
--- a/arch/s390/include/asm/pgtable.h
+++ b/arch/s390/include/asm/pgtable.h
@@ -886,6 +886,8 @@ void ptep_set_pte_at(struct mm_struct *mm, unsigned long addr,
                     pte_t *ptep, pte_t entry);
 void ptep_set_notify(struct mm_struct *mm, unsigned long addr, pte_t *ptep);
 void ptep_notify(struct mm_struct *mm, unsigned long addr, pte_t *ptep);
+int ptep_force_prot(struct mm_struct *mm, unsigned long gaddr,
+                   pte_t *ptep, int prot);
 void ptep_zap_unused(struct mm_struct *mm, unsigned long addr,
                     pte_t *ptep , int reset);
 void ptep_zap_key(struct mm_struct *mm, unsigned long addr, pte_t *ptep);
@@ -893,7 +895,12 @@ void ptep_zap_key(struct mm_struct *mm, unsigned long addr, pte_t *ptep);
 bool test_and_clear_guest_dirty(struct mm_struct *mm, unsigned long address);
 int set_guest_storage_key(struct mm_struct *mm, unsigned long addr,
                          unsigned char key, bool nq);
-unsigned char get_guest_storage_key(struct mm_struct *mm, unsigned long addr);
+int cond_set_guest_storage_key(struct mm_struct *mm, unsigned long addr,
+                              unsigned char key, unsigned char *oldkey,
+                              bool nq, bool mr, bool mc);
+int reset_guest_reference_bit(struct mm_struct *mm, unsigned long addr);
+int get_guest_storage_key(struct mm_struct *mm, unsigned long addr,
+                         unsigned char *key);
 
 /*
  * Certain architectures need to do special things when PTEs