134 lines
4.6 KiB
C
134 lines
4.6 KiB
C
/* $Id: tlbflush.h,v 1.3 2006/09/12 13:12:54 tokot Exp $
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* pgalloc.h: the functions and defines necessary to allocate
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* page tables.
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*
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* Copyright 2001 Salavat S. Guiliazov (atic@mcst.ru)
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*/
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#ifndef _E2K_TLBFLUSH_H
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#define _E2K_TLBFLUSH_H
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#include <linux/mm.h>
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/*
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* TLB flushing:
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*
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* - flush_tlb_all() flushes all processes TLBs
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* - flush_tlb_mm(mm) flushes the specified mm context TLB's
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* - flush_tlb_page(vma, vmaddr) flushes one page
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* - flush_tlb_range(mm, start, end) flushes a range of pages
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*/
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extern void __flush_tlb_all(void);
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extern void __flush_tlb_mm(struct mm_struct *mm);
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extern void __flush_tlb_page(struct mm_struct *mm, e2k_addr_t addr);
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extern void __flush_tlb_range(struct mm_struct *mm, e2k_addr_t start,
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e2k_addr_t end);
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extern void __flush_pmd_tlb_range(struct mm_struct *mm,
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unsigned long start, unsigned long end);
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extern void __flush_tlb_pgtables(struct mm_struct *mm, e2k_addr_t start,
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e2k_addr_t end);
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extern void __flush_tlb_page_and_pgtables(struct mm_struct *mm,
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unsigned long addr);
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extern void __flush_tlb_range_and_pgtables(struct mm_struct *mm,
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e2k_addr_t start, e2k_addr_t end);
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extern void __flush_tlb_address(e2k_addr_t addr);
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extern void __flush_tlb_address_pgtables(e2k_addr_t addr);
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extern void native_smp_flush_tlb_all(void);
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extern void native_smp_flush_tlb_mm(struct mm_struct *mm);
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extern void native_smp_flush_tlb_page(struct vm_area_struct *vma,
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e2k_addr_t addr);
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extern void native_smp_flush_tlb_range(struct mm_struct *mm,
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e2k_addr_t start, e2k_addr_t end);
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extern void native_smp_flush_pmd_tlb_range(struct mm_struct *mm,
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e2k_addr_t start, e2k_addr_t end);
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extern void native_smp_flush_tlb_range_and_pgtables(struct mm_struct *mm,
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e2k_addr_t start, e2k_addr_t end);
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#ifdef CONFIG_COPY_USER_PGD_TO_KERNEL_ROOT_PT
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extern void __flush_cpu_root_pt_mm(struct mm_struct *mm);
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extern void __flush_cpu_root_pt(void);
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#else /* ! CONFIG_COPY_USER_PGD_TO_KERNEL_ROOT_PT */
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#define __flush_cpu_root_pt_mm(mm)
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#define __flush_cpu_root_pt()
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#endif /* CONFIG_COPY_USER_PGD_TO_KERNEL_ROOT_PT */
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#if defined(CONFIG_PARAVIRT_GUEST)
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/* it is paravirtualized host and guest kernel */
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#include <asm/paravirt/tlbflush.h>
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#elif defined(CONFIG_KVM_GUEST_KERNEL)
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/* it is native guest kernel */
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#include <asm/kvm/guest/tlbflush.h>
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#define flush_tlb_all kvm_flush_tlb_all
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#define flush_tlb_mm kvm_flush_tlb_mm
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#define flush_tlb_page(vma, addr) kvm_flush_tlb_page(vma, addr)
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#define flush_tlb_range(vma, start, end) \
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kvm_flush_tlb_range(vma->vm_mm, start, end)
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#define flush_tlb_kernel_range(start, end) \
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kvm_flush_tlb_kernel_range(start, end)
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#define flush_pmd_tlb_range(vma, start, end) \
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kvm_flush_pmd_tlb_range(vma->vm_mm, start, end)
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#define flush_tlb_mm_range(mm, start, end) \
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kvm_flush_tlb_range(mm, start, end)
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#define flush_tlb_range_and_pgtables(mm, start, end) \
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kvm_flush_tlb_range_and_pgtables(mm, start, end)
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#else /* ! CONFIG_PARAVIRT_GUEST && ! CONFIG_KVM_GUEST_KERNEL */
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/* it is native kernel without virtualization support */
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/* or native kernel with virtualization support */
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#ifndef CONFIG_SMP
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#define flush_tlb_all __flush_tlb_all
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#define flush_tlb_mm __flush_tlb_mm
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#define flush_tlb_page(vma, addr) __flush_tlb_page(vma->vm_mm, addr)
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#define flush_tlb_range(vma, start, end) \
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__flush_tlb_range(vma->vm_mm, start, end)
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#define flush_pmd_tlb_range(vma, start, end) \
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__flush_pmd_tlb_range(vma->vm_mm, start, end)
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#define flush_tlb_mm_range(mm, start, end) \
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__flush_tlb_range(mm, start, end)
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#define flush_tlb_range_and_pgtables(mm, start, end) \
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__flush_tlb_range_and_pgtables(mm, start, end)
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#else /* CONFIG_SMP */
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#include <asm/smp.h>
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#define flush_tlb_all native_smp_flush_tlb_all
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#define flush_tlb_mm native_smp_flush_tlb_mm
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#define flush_tlb_page(vma, addr) native_smp_flush_tlb_page(vma, addr)
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#define flush_tlb_range(vma, start, end) \
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native_smp_flush_tlb_range(vma->vm_mm, start, end)
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#define flush_pmd_tlb_range(vma, start, end) \
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native_smp_flush_pmd_tlb_range(vma->vm_mm, start, end)
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#define flush_tlb_mm_range(mm, start, end) \
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native_smp_flush_tlb_range(mm, start, end)
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#define flush_tlb_range_and_pgtables(mm, start, end) \
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native_smp_flush_tlb_range_and_pgtables(mm, start, end)
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#endif /* CONFIG_SMP */
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#define flush_tlb_kernel_range(start, end) flush_tlb_all()
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#endif /* ! CONFIG_PARAVIRT_GUEST && ! CONFIG_KVM_GUEST_KERNEL */
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static inline void update_mmu_cache(struct vm_area_struct *vma,
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unsigned long address, pte_t *pte)
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{
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}
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static inline void update_mmu_cache_pmd(struct vm_area_struct *vma,
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unsigned long address, pmd_t *pmd)
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{
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}
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#ifdef CONFIG_KVM_HOST_MODE
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#include <asm/kvm/tlbflush.h>
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#endif /* CONFIG_KVM_HOST_MODE */
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#endif /* _E2K_TLBFLUSH_H */
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