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torvalds
GitHub Repository: torvalds/linux
 Path: blob/master/arch/powerpc/include/asm/book3s/64/tlbflush-radix.h
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/* SPDX-License-Identifier: GPL-2.0 */

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#ifndef _ASM_POWERPC_TLBFLUSH_RADIX_H

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#define _ASM_POWERPC_TLBFLUSH_RADIX_H

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#include <asm/hvcall.h>

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#define RIC_FLUSH_TLB 0

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#define RIC_FLUSH_PWC 1

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#define RIC_FLUSH_ALL 2

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struct vm_area_struct;

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struct mm_struct;

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struct mmu_gather;

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static inline u64 psize_to_rpti_pgsize(unsigned long psize)

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{

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	if (psize == MMU_PAGE_4K)

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		return H_RPTI_PAGE_4K;

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	if (psize == MMU_PAGE_64K)

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		return H_RPTI_PAGE_64K;

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	if (psize == MMU_PAGE_2M)

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		return H_RPTI_PAGE_2M;

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	if (psize == MMU_PAGE_1G)

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		return H_RPTI_PAGE_1G;

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	return H_RPTI_PAGE_ALL;

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}

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static inline int mmu_get_ap(int psize)

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{

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	return mmu_psize_defs[psize].ap;

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}

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#ifdef CONFIG_PPC_RADIX_MMU

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extern void radix__tlbiel_all(unsigned int action);

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extern void radix__flush_tlb_lpid_page(unsigned int lpid,

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					unsigned long addr,

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					unsigned long page_size);

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extern void radix__flush_pwc_lpid(unsigned int lpid);

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extern void radix__flush_all_lpid(unsigned int lpid);

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extern void radix__flush_all_lpid_guest(unsigned int lpid);

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#else

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static inline void radix__tlbiel_all(unsigned int action) { WARN_ON(1); }

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static inline void radix__flush_tlb_lpid_page(unsigned int lpid,

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					unsigned long addr,

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					unsigned long page_size)

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{

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	WARN_ON(1);

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}

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static inline void radix__flush_pwc_lpid(unsigned int lpid)

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{

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	WARN_ON(1);

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}

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static inline void radix__flush_all_lpid(unsigned int lpid)

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{

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	WARN_ON(1);

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}

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static inline void radix__flush_all_lpid_guest(unsigned int lpid)

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{

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	WARN_ON(1);

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}

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#endif

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extern void radix__flush_hugetlb_tlb_range(struct vm_area_struct *vma,

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					   unsigned long start, unsigned long end);

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extern void radix__flush_tlb_range_psize(struct mm_struct *mm, unsigned long start,

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					 unsigned long end, int psize);

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void radix__flush_tlb_pwc_range_psize(struct mm_struct *mm, unsigned long start,

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				      unsigned long end, int psize);

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extern void radix__flush_pmd_tlb_range(struct vm_area_struct *vma,

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				       unsigned long start, unsigned long end);

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extern void radix__flush_pud_tlb_range(struct vm_area_struct *vma,

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				       unsigned long start, unsigned long end);

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extern void radix__flush_tlb_range(struct vm_area_struct *vma, unsigned long start,

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			    unsigned long end);

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extern void radix__flush_tlb_kernel_range(unsigned long start, unsigned long end);

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extern void radix__local_flush_tlb_mm(struct mm_struct *mm);

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extern void radix__local_flush_all_mm(struct mm_struct *mm);

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extern void radix__local_flush_tlb_page(struct vm_area_struct *vma, unsigned long vmaddr);

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extern void radix__local_flush_tlb_page_psize(struct mm_struct *mm, unsigned long vmaddr,

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					      int psize);

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extern void radix__tlb_flush(struct mmu_gather *tlb);

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#ifdef CONFIG_SMP

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extern void radix__flush_tlb_mm(struct mm_struct *mm);

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extern void radix__flush_all_mm(struct mm_struct *mm);

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extern void radix__flush_tlb_page(struct vm_area_struct *vma, unsigned long vmaddr);

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extern void radix__flush_tlb_page_psize(struct mm_struct *mm, unsigned long vmaddr,

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					int psize);

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#else

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#define radix__flush_tlb_mm(mm)		radix__local_flush_tlb_mm(mm)

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#define radix__flush_all_mm(mm)		radix__local_flush_all_mm(mm)

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#define radix__flush_tlb_page(vma,addr)	radix__local_flush_tlb_page(vma,addr)

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#define radix__flush_tlb_page_psize(mm,addr,p) radix__local_flush_tlb_page_psize(mm,addr,p)

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#endif

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extern void radix__flush_tlb_pwc(struct mmu_gather *tlb, unsigned long addr);

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extern void radix__flush_tlb_collapsed_pmd(struct mm_struct *mm, unsigned long addr);

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extern void radix__flush_tlb_all(void);

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#endif

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