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Split asm/tlbflush.h into: asm/nohash/tlbflush.h asm/book3s/32/tlbflush.h asm/book3s/64/tlbflush.h (already existing) Signed-off-by: Christophe Leroy <christophe.leroy@c-s.fr> Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,25 @@ | ||
| /* SPDX-License-Identifier: GPL-2.0 */ | ||
| #ifndef _ASM_POWERPC_BOOK3S_32_TLBFLUSH_H | ||
| #define _ASM_POWERPC_BOOK3S_32_TLBFLUSH_H | ||
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| #define MMU_NO_CONTEXT (0) | ||
| /* | ||
| * TLB flushing for "classic" hash-MMU 32-bit CPUs, 6xx, 7xx, 7xxx | ||
| */ | ||
| extern void flush_tlb_mm(struct mm_struct *mm); | ||
| extern void flush_tlb_page(struct vm_area_struct *vma, unsigned long vmaddr); | ||
| extern void flush_tlb_page_nohash(struct vm_area_struct *vma, unsigned long addr); | ||
| extern void flush_tlb_range(struct vm_area_struct *vma, unsigned long start, | ||
| unsigned long end); | ||
| extern void flush_tlb_kernel_range(unsigned long start, unsigned long end); | ||
| static inline void local_flush_tlb_page(struct vm_area_struct *vma, | ||
| unsigned long vmaddr) | ||
| { | ||
| flush_tlb_page(vma, vmaddr); | ||
| } | ||
| static inline void local_flush_tlb_mm(struct mm_struct *mm) | ||
| { | ||
| flush_tlb_mm(mm); | ||
| } | ||
|
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| #endif /* _ASM_POWERPC_TLBFLUSH_H */ |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,11 @@ | ||
| /* SPDX-License-Identifier: GPL-2.0 */ | ||
| #ifndef _ASM_POWERPC_BOOK3S_TLBFLUSH_H | ||
| #define _ASM_POWERPC_BOOK3S_TLBFLUSH_H | ||
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| #ifdef CONFIG_PPC64 | ||
| #include <asm/book3s/64/tlbflush.h> | ||
| #else | ||
| #include <asm/book3s/32/tlbflush.h> | ||
| #endif | ||
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| #endif /* _ASM_POWERPC_BOOK3S_TLBFLUSH_H */ |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,53 @@ | ||
| /* SPDX-License-Identifier: GPL-2.0 */ | ||
| #ifndef _ASM_POWERPC_NOHASH_TLBFLUSH_H | ||
| #define _ASM_POWERPC_NOHASH_TLBFLUSH_H | ||
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|
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| /* | ||
| * TLB flushing: | ||
| * | ||
| * - flush_tlb_mm(mm) flushes the specified mm context TLB's | ||
| * - flush_tlb_page(vma, vmaddr) flushes one page | ||
| * - local_flush_tlb_mm(mm, full) flushes the specified mm context on | ||
| * the local processor | ||
| * - local_flush_tlb_page(vma, vmaddr) flushes one page on the local processor | ||
| * - flush_tlb_page_nohash(vma, vmaddr) flushes one page if SW loaded TLB | ||
| * - flush_tlb_range(vma, start, end) flushes a range of pages | ||
| * - flush_tlb_kernel_range(start, end) flushes a range of kernel pages | ||
| * | ||
| */ | ||
|
|
||
| /* | ||
| * TLB flushing for software loaded TLB chips | ||
| * | ||
| * TODO: (CONFIG_FSL_BOOKE) determine if flush_tlb_range & | ||
| * flush_tlb_kernel_range are best implemented as tlbia vs | ||
| * specific tlbie's | ||
| */ | ||
|
|
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| struct vm_area_struct; | ||
| struct mm_struct; | ||
|
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| #define MMU_NO_CONTEXT ((unsigned int)-1) | ||
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| extern void flush_tlb_range(struct vm_area_struct *vma, unsigned long start, | ||
| unsigned long end); | ||
| extern void flush_tlb_kernel_range(unsigned long start, unsigned long end); | ||
|
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| extern void local_flush_tlb_mm(struct mm_struct *mm); | ||
| extern void local_flush_tlb_page(struct vm_area_struct *vma, unsigned long vmaddr); | ||
|
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| extern void __local_flush_tlb_page(struct mm_struct *mm, unsigned long vmaddr, | ||
| int tsize, int ind); | ||
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| #ifdef CONFIG_SMP | ||
| extern void flush_tlb_mm(struct mm_struct *mm); | ||
| extern void flush_tlb_page(struct vm_area_struct *vma, unsigned long vmaddr); | ||
| extern void __flush_tlb_page(struct mm_struct *mm, unsigned long vmaddr, | ||
| int tsize, int ind); | ||
| #else | ||
| #define flush_tlb_mm(mm) local_flush_tlb_mm(mm) | ||
| #define flush_tlb_page(vma,addr) local_flush_tlb_page(vma,addr) | ||
| #define __flush_tlb_page(mm,addr,p,i) __local_flush_tlb_page(mm,addr,p,i) | ||
| #endif | ||
|
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||
| #endif /* _ASM_POWERPC_NOHASH_TLBFLUSH_H */ |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1,87 +1,11 @@ | ||
| /* SPDX-License-Identifier: GPL-2.0 */ | ||
| #ifndef _ASM_POWERPC_TLBFLUSH_H | ||
| #define _ASM_POWERPC_TLBFLUSH_H | ||
|
|
||
| /* | ||
| * TLB flushing: | ||
| * | ||
| * - flush_tlb_mm(mm) flushes the specified mm context TLB's | ||
| * - flush_tlb_page(vma, vmaddr) flushes one page | ||
| * - local_flush_tlb_mm(mm, full) flushes the specified mm context on | ||
| * the local processor | ||
| * - local_flush_tlb_page(vma, vmaddr) flushes one page on the local processor | ||
| * - flush_tlb_page_nohash(vma, vmaddr) flushes one page if SW loaded TLB | ||
| * - flush_tlb_range(vma, start, end) flushes a range of pages | ||
| * - flush_tlb_kernel_range(start, end) flushes a range of kernel pages | ||
| * | ||
| * This program is free software; you can redistribute it and/or | ||
| * modify it under the terms of the GNU General Public License | ||
| * as published by the Free Software Foundation; either version | ||
| * 2 of the License, or (at your option) any later version. | ||
| */ | ||
| #ifdef __KERNEL__ | ||
|
|
||
| #ifdef CONFIG_PPC_MMU_NOHASH | ||
| /* | ||
| * TLB flushing for software loaded TLB chips | ||
| * | ||
| * TODO: (CONFIG_FSL_BOOKE) determine if flush_tlb_range & | ||
| * flush_tlb_kernel_range are best implemented as tlbia vs | ||
| * specific tlbie's | ||
| */ | ||
|
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| struct vm_area_struct; | ||
| struct mm_struct; | ||
|
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| #define MMU_NO_CONTEXT ((unsigned int)-1) | ||
|
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| extern void flush_tlb_range(struct vm_area_struct *vma, unsigned long start, | ||
| unsigned long end); | ||
| extern void flush_tlb_kernel_range(unsigned long start, unsigned long end); | ||
|
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| extern void local_flush_tlb_mm(struct mm_struct *mm); | ||
| extern void local_flush_tlb_page(struct vm_area_struct *vma, unsigned long vmaddr); | ||
|
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| extern void __local_flush_tlb_page(struct mm_struct *mm, unsigned long vmaddr, | ||
| int tsize, int ind); | ||
|
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| #ifdef CONFIG_SMP | ||
| extern void flush_tlb_mm(struct mm_struct *mm); | ||
| extern void flush_tlb_page(struct vm_area_struct *vma, unsigned long vmaddr); | ||
| extern void __flush_tlb_page(struct mm_struct *mm, unsigned long vmaddr, | ||
| int tsize, int ind); | ||
| #else | ||
| #define flush_tlb_mm(mm) local_flush_tlb_mm(mm) | ||
| #define flush_tlb_page(vma,addr) local_flush_tlb_page(vma,addr) | ||
| #define __flush_tlb_page(mm,addr,p,i) __local_flush_tlb_page(mm,addr,p,i) | ||
| #endif | ||
|
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| #elif defined(CONFIG_PPC_STD_MMU_32) | ||
|
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| #define MMU_NO_CONTEXT (0) | ||
| /* | ||
| * TLB flushing for "classic" hash-MMU 32-bit CPUs, 6xx, 7xx, 7xxx | ||
| */ | ||
| extern void flush_tlb_mm(struct mm_struct *mm); | ||
| extern void flush_tlb_page(struct vm_area_struct *vma, unsigned long vmaddr); | ||
| extern void flush_tlb_page_nohash(struct vm_area_struct *vma, unsigned long addr); | ||
| extern void flush_tlb_range(struct vm_area_struct *vma, unsigned long start, | ||
| unsigned long end); | ||
| extern void flush_tlb_kernel_range(unsigned long start, unsigned long end); | ||
| static inline void local_flush_tlb_page(struct vm_area_struct *vma, | ||
| unsigned long vmaddr) | ||
| { | ||
| flush_tlb_page(vma, vmaddr); | ||
| } | ||
| static inline void local_flush_tlb_mm(struct mm_struct *mm) | ||
| { | ||
| flush_tlb_mm(mm); | ||
| } | ||
|
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| #elif defined(CONFIG_PPC_BOOK3S_64) | ||
| #include <asm/book3s/64/tlbflush.h> | ||
| #ifdef CONFIG_PPC_BOOK3S | ||
| #include <asm/book3s/tlbflush.h> | ||
| #else | ||
| #error Unsupported MMU type | ||
| #endif | ||
| #include <asm/nohash/tlbflush.h> | ||
| #endif /* !CONFIG_PPC_BOOK3S */ | ||
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| #endif /*__KERNEL__ */ | ||
| #endif /* _ASM_POWERPC_TLBFLUSH_H */ |