diff options
Diffstat (limited to 'arch/s390/include/asm/pgtable.h')
| -rw-r--r-- | arch/s390/include/asm/pgtable.h | 17 |
1 files changed, 15 insertions, 2 deletions
diff --git a/arch/s390/include/asm/pgtable.h b/arch/s390/include/asm/pgtable.h index 48d383af078f..72c7f60bfe83 100644 --- a/arch/s390/include/asm/pgtable.h +++ b/arch/s390/include/asm/pgtable.h @@ -277,6 +277,7 @@ static inline int is_module_addr(void *addr) /* Bits in the region table entry */ #define _REGION_ENTRY_ORIGIN ~0xfffUL/* region/segment table origin */ #define _REGION_ENTRY_PROTECT 0x200 /* region protection bit */ +#define _REGION_ENTRY_OFFSET 0xc0 /* region table offset */ #define _REGION_ENTRY_INVALID 0x20 /* invalid region table entry */ #define _REGION_ENTRY_TYPE_MASK 0x0c /* region/segment table type mask */ #define _REGION_ENTRY_TYPE_R1 0x0c /* region first table type */ @@ -364,6 +365,7 @@ static inline int is_module_addr(void *addr) #define PGSTE_GC_BIT 0x0002000000000000UL #define PGSTE_UC_BIT 0x0000800000000000UL /* user dirty (migration) */ #define PGSTE_IN_BIT 0x0000400000000000UL /* IPTE notify bit */ +#define PGSTE_VSIE_BIT 0x0000200000000000UL /* ref'd in a shadow table */ /* Guest Page State used for virtualization */ #define _PGSTE_GPS_ZERO 0x0000000080000000UL @@ -1002,15 +1004,26 @@ static inline int ptep_set_access_flags(struct vm_area_struct *vma, 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); +void ptep_notify(struct mm_struct *mm, unsigned long addr, + pte_t *ptep, unsigned long bits); +int ptep_force_prot(struct mm_struct *mm, unsigned long gaddr, + pte_t *ptep, int prot, unsigned long bit); 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); +int ptep_shadow_pte(struct mm_struct *mm, unsigned long saddr, + pte_t *sptep, pte_t *tptep, pte_t pte); +void ptep_unshadow_pte(struct mm_struct *mm, unsigned long saddr, 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 |