Sam Ravnborg | f5e706a | 2008-07-17 21:55:51 -0700 | [diff] [blame] | 1 | #ifndef _SPARC64_TLBFLUSH_H |
| 2 | #define _SPARC64_TLBFLUSH_H |
| 3 | |
| 4 | #include <linux/mm.h> |
| 5 | #include <asm/mmu_context.h> |
| 6 | |
| 7 | /* TSB flush operations. */ |
Peter Zijlstra | 90f08e3 | 2011-05-24 17:11:50 -0700 | [diff] [blame] | 8 | |
| 9 | #define TLB_BATCH_NR 192 |
| 10 | |
| 11 | struct tlb_batch { |
| 12 | struct mm_struct *mm; |
| 13 | unsigned long tlb_nr; |
David S. Miller | f36391d | 2013-04-19 17:26:26 -0400 | [diff] [blame^] | 14 | unsigned long active; |
Peter Zijlstra | 90f08e3 | 2011-05-24 17:11:50 -0700 | [diff] [blame] | 15 | unsigned long vaddrs[TLB_BATCH_NR]; |
| 16 | }; |
| 17 | |
Sam Ravnborg | f5e706a | 2008-07-17 21:55:51 -0700 | [diff] [blame] | 18 | extern void flush_tsb_kernel_range(unsigned long start, unsigned long end); |
Peter Zijlstra | 90f08e3 | 2011-05-24 17:11:50 -0700 | [diff] [blame] | 19 | extern void flush_tsb_user(struct tlb_batch *tb); |
David S. Miller | f36391d | 2013-04-19 17:26:26 -0400 | [diff] [blame^] | 20 | extern void flush_tsb_user_page(struct mm_struct *mm, unsigned long vaddr); |
Sam Ravnborg | f5e706a | 2008-07-17 21:55:51 -0700 | [diff] [blame] | 21 | |
| 22 | /* TLB flush operations. */ |
| 23 | |
David S. Miller | f36391d | 2013-04-19 17:26:26 -0400 | [diff] [blame^] | 24 | static inline void flush_tlb_mm(struct mm_struct *mm) |
| 25 | { |
| 26 | } |
Sam Ravnborg | f5e706a | 2008-07-17 21:55:51 -0700 | [diff] [blame] | 27 | |
David S. Miller | f36391d | 2013-04-19 17:26:26 -0400 | [diff] [blame^] | 28 | static inline void flush_tlb_page(struct vm_area_struct *vma, |
| 29 | unsigned long vmaddr) |
| 30 | { |
| 31 | } |
| 32 | |
| 33 | static inline void flush_tlb_range(struct vm_area_struct *vma, |
| 34 | unsigned long start, unsigned long end) |
| 35 | { |
| 36 | } |
| 37 | |
| 38 | #define __HAVE_ARCH_ENTER_LAZY_MMU_MODE |
| 39 | |
| 40 | extern void flush_tlb_pending(void); |
| 41 | extern void arch_enter_lazy_mmu_mode(void); |
| 42 | extern void arch_leave_lazy_mmu_mode(void); |
| 43 | #define arch_flush_lazy_mmu_mode() do {} while (0) |
Sam Ravnborg | f5e706a | 2008-07-17 21:55:51 -0700 | [diff] [blame] | 44 | |
| 45 | /* Local cpu only. */ |
| 46 | extern void __flush_tlb_all(void); |
David S. Miller | f36391d | 2013-04-19 17:26:26 -0400 | [diff] [blame^] | 47 | extern void __flush_tlb_page(unsigned long context, unsigned long vaddr); |
Sam Ravnborg | f5e706a | 2008-07-17 21:55:51 -0700 | [diff] [blame] | 48 | extern void __flush_tlb_kernel_range(unsigned long start, unsigned long end); |
| 49 | |
| 50 | #ifndef CONFIG_SMP |
| 51 | |
| 52 | #define flush_tlb_kernel_range(start,end) \ |
| 53 | do { flush_tsb_kernel_range(start,end); \ |
| 54 | __flush_tlb_kernel_range(start,end); \ |
| 55 | } while (0) |
| 56 | |
David S. Miller | f36391d | 2013-04-19 17:26:26 -0400 | [diff] [blame^] | 57 | static inline void global_flush_tlb_page(struct mm_struct *mm, unsigned long vaddr) |
| 58 | { |
| 59 | __flush_tlb_page(CTX_HWBITS(mm->context), vaddr); |
| 60 | } |
| 61 | |
Sam Ravnborg | f5e706a | 2008-07-17 21:55:51 -0700 | [diff] [blame] | 62 | #else /* CONFIG_SMP */ |
| 63 | |
| 64 | extern void smp_flush_tlb_kernel_range(unsigned long start, unsigned long end); |
David S. Miller | f36391d | 2013-04-19 17:26:26 -0400 | [diff] [blame^] | 65 | extern void smp_flush_tlb_page(struct mm_struct *mm, unsigned long vaddr); |
Sam Ravnborg | f5e706a | 2008-07-17 21:55:51 -0700 | [diff] [blame] | 66 | |
| 67 | #define flush_tlb_kernel_range(start, end) \ |
| 68 | do { flush_tsb_kernel_range(start,end); \ |
| 69 | smp_flush_tlb_kernel_range(start, end); \ |
| 70 | } while (0) |
| 71 | |
David S. Miller | f36391d | 2013-04-19 17:26:26 -0400 | [diff] [blame^] | 72 | #define global_flush_tlb_page(mm, vaddr) \ |
| 73 | smp_flush_tlb_page(mm, vaddr) |
| 74 | |
Sam Ravnborg | f5e706a | 2008-07-17 21:55:51 -0700 | [diff] [blame] | 75 | #endif /* ! CONFIG_SMP */ |
| 76 | |
| 77 | #endif /* _SPARC64_TLBFLUSH_H */ |