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git.proxmox.com Git - mirror_ubuntu-kernels.git/blob - arch/powerpc/include/asm/book3s/64/tlbflush-hash.h
1 /* SPDX-License-Identifier: GPL-2.0 */
2 #ifndef _ASM_POWERPC_BOOK3S_64_TLBFLUSH_HASH_H
3 #define _ASM_POWERPC_BOOK3S_64_TLBFLUSH_HASH_H
6 * TLB flushing for 64-bit hash-MMU CPUs
9 #include <linux/percpu.h>
12 #define PPC64_TLB_BATCH_NR 192
14 struct ppc64_tlb_batch
{
18 real_pte_t pte
[PPC64_TLB_BATCH_NR
];
19 unsigned long vpn
[PPC64_TLB_BATCH_NR
];
23 DECLARE_PER_CPU(struct ppc64_tlb_batch
, ppc64_tlb_batch
);
25 extern void __flush_tlb_pending(struct ppc64_tlb_batch
*batch
);
27 #define __HAVE_ARCH_ENTER_LAZY_MMU_MODE
29 static inline void arch_enter_lazy_mmu_mode(void)
31 struct ppc64_tlb_batch
*batch
;
35 batch
= this_cpu_ptr(&ppc64_tlb_batch
);
39 static inline void arch_leave_lazy_mmu_mode(void)
41 struct ppc64_tlb_batch
*batch
;
45 batch
= this_cpu_ptr(&ppc64_tlb_batch
);
48 __flush_tlb_pending(batch
);
52 #define arch_flush_lazy_mmu_mode() do {} while (0)
55 extern void flush_hash_page(unsigned long vpn
, real_pte_t pte
, int psize
,
56 int ssize
, unsigned long flags
);
57 extern void flush_hash_range(unsigned long number
, int local
);
58 extern void flush_hash_hugepage(unsigned long vsid
, unsigned long addr
,
59 pmd_t
*pmdp
, unsigned int psize
, int ssize
,
61 static inline void hash__local_flush_tlb_mm(struct mm_struct
*mm
)
65 static inline void hash__flush_tlb_mm(struct mm_struct
*mm
)
69 static inline void hash__local_flush_tlb_page(struct vm_area_struct
*vma
,
74 static inline void hash__flush_tlb_page(struct vm_area_struct
*vma
,
79 static inline void hash__flush_tlb_range(struct vm_area_struct
*vma
,
80 unsigned long start
, unsigned long end
)
84 static inline void hash__flush_tlb_kernel_range(unsigned long start
,
91 extern void hash__tlb_flush(struct mmu_gather
*tlb
);
92 /* Private function for use by PCI IO mapping code */
93 extern void __flush_hash_table_range(struct mm_struct
*mm
, unsigned long start
,
95 extern void flush_tlb_pmd_range(struct mm_struct
*mm
, pmd_t
*pmd
,
97 #endif /* _ASM_POWERPC_BOOK3S_64_TLBFLUSH_HASH_H */