| | 1 | #ifndef _ASM_POWERPC_TLBFLUSH_H |
| | 2 | #define _ASM_POWERPC_TLBFLUSH_H |
| | 3 | |
| | 4 | /* |
| | 5 | * TLB flushing: |
| | 6 | * |
| | 7 | * - flush_tlb_mm(mm) flushes the specified mm context TLB's |
| | 8 | * - flush_tlb_page(vma, vmaddr) flushes one page |
| | 9 | * - local_flush_tlb_mm(mm, full) flushes the specified mm context on |
| | 10 | * the local processor |
| | 11 | * - local_flush_tlb_page(vma, vmaddr) flushes one page on the local processor |
| | 12 | * - flush_tlb_page_nohash(vma, vmaddr) flushes one page if SW loaded TLB |
| | 13 | * - flush_tlb_range(vma, start, end) flushes a range of pages |
| | 14 | * - flush_tlb_kernel_range(start, end) flushes a range of kernel pages |
| | 15 | * |
| | 16 | * This program is free software; you can redistribute it and/or |
| | 17 | * modify it under the terms of the GNU General Public License |
| | 18 | * as published by the Free Software Foundation; either version |
| | 19 | * 2 of the License, or (at your option) any later version. |
| | 20 | */ |
| | 21 | #ifdef __KERNEL__ |
| | 22 | |
| | 23 | #ifdef CONFIG_PPC_MMU_NOHASH |
| | 24 | /* |
| | 25 | * TLB flushing for software loaded TLB chips |
| | 26 | * |
| | 27 | * TODO: (CONFIG_FSL_BOOKE) determine if flush_tlb_range & |
| | 28 | * flush_tlb_kernel_range are best implemented as tlbia vs |
| | 29 | * specific tlbie's |
| | 30 | */ |
| | 31 | |
| | 32 | struct vm_area_struct; |
| | 33 | struct mm_struct; |
| | 34 | |
| | 35 | #define MMU_NO_CONTEXT ((unsigned int)-1) |
| | 36 | |
| | 37 | extern void flush_tlb_range(struct vm_area_struct *vma, unsigned long start, |
| | 38 | unsigned long end); |
| | 39 | extern void flush_tlb_kernel_range(unsigned long start, unsigned long end); |
| | 40 | |
| | 41 | extern void local_flush_tlb_mm(struct mm_struct *mm); |
| | 42 | extern void local_flush_tlb_page(struct vm_area_struct *vma, unsigned long vmaddr); |
| | 43 | |
| | 44 | extern void __local_flush_tlb_page(struct mm_struct *mm, unsigned long vmaddr, |
| | 45 | int tsize, int ind); |
| | 46 | |
| | 47 | #ifdef CONFIG_SMP |
| | 48 | extern void flush_tlb_mm(struct mm_struct *mm); |
| | 49 | extern void flush_tlb_page(struct vm_area_struct *vma, unsigned long vmaddr); |
| | 50 | extern void __flush_tlb_page(struct mm_struct *mm, unsigned long vmaddr, |
| | 51 | int tsize, int ind); |
| | 52 | #else |
| | 53 | #define flush_tlb_mm(mm) local_flush_tlb_mm(mm) |
| | 54 | #define flush_tlb_page(vma,addr) local_flush_tlb_page(vma,addr) |
| | 55 | #define __flush_tlb_page(mm,addr,p,i) __local_flush_tlb_page(mm,addr,p,i) |
| | 56 | #endif |
| | 57 | |
| | 58 | #elif defined(CONFIG_PPC_STD_MMU_32) |
| | 59 | |
| | 60 | #define MMU_NO_CONTEXT (0) |
| | 61 | /* |
| | 62 | * TLB flushing for "classic" hash-MMU 32-bit CPUs, 6xx, 7xx, 7xxx |
| | 63 | */ |
| | 64 | extern void flush_tlb_mm(struct mm_struct *mm); |
| | 65 | extern void flush_tlb_page(struct vm_area_struct *vma, unsigned long vmaddr); |
| | 66 | extern void flush_tlb_page_nohash(struct vm_area_struct *vma, unsigned long addr); |
| | 67 | extern void flush_tlb_range(struct vm_area_struct *vma, unsigned long start, |
| | 68 | unsigned long end); |
| | 69 | extern void flush_tlb_kernel_range(unsigned long start, unsigned long end); |
| | 70 | static inline void local_flush_tlb_page(struct vm_area_struct *vma, |
| | 71 | unsigned long vmaddr) |
| | 72 | { |
| | 73 | flush_tlb_page(vma, vmaddr); |
| | 74 | } |
| | 75 | static inline void local_flush_tlb_mm(struct mm_struct *mm) |
| | 76 | { |
| | 77 | flush_tlb_mm(mm); |
| | 78 | } |
| | 79 | |
| | 80 | #elif defined(CONFIG_PPC_BOOK3S_64) |
| | 81 | #include <asm/book3s/64/tlbflush.h> |
| | 82 | #else |
| | 83 | #error Unsupported MMU type |
| | 84 | #endif |
| | 85 | |
| | 86 | #endif /*__KERNEL__ */ |
| | 87 | #endif /* _ASM_POWERPC_TLBFLUSH_H */ |
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