diff options
Diffstat (limited to 'arch/um/include/tlb.h')
| -rw-r--r-- | arch/um/include/tlb.h | 67 |
1 files changed, 67 insertions, 0 deletions
diff --git a/arch/um/include/tlb.h b/arch/um/include/tlb.h new file mode 100644 index 000000000000..da1097285b8c --- /dev/null +++ b/arch/um/include/tlb.h | |||
| @@ -0,0 +1,67 @@ | |||
| 1 | /* | ||
| 2 | * Copyright (C) 2002 Jeff Dike (jdike@karaya.com) | ||
| 3 | * Licensed under the GPL | ||
| 4 | */ | ||
| 5 | |||
| 6 | #ifndef __TLB_H__ | ||
| 7 | #define __TLB_H__ | ||
| 8 | |||
| 9 | #include "um_mmu.h" | ||
| 10 | |||
| 11 | struct host_vm_op { | ||
| 12 | enum { MMAP, MUNMAP, MPROTECT } type; | ||
| 13 | union { | ||
| 14 | struct { | ||
| 15 | unsigned long addr; | ||
| 16 | unsigned long len; | ||
| 17 | unsigned int r:1; | ||
| 18 | unsigned int w:1; | ||
| 19 | unsigned int x:1; | ||
| 20 | int fd; | ||
| 21 | __u64 offset; | ||
| 22 | } mmap; | ||
| 23 | struct { | ||
| 24 | unsigned long addr; | ||
| 25 | unsigned long len; | ||
| 26 | } munmap; | ||
| 27 | struct { | ||
| 28 | unsigned long addr; | ||
| 29 | unsigned long len; | ||
| 30 | unsigned int r:1; | ||
| 31 | unsigned int w:1; | ||
| 32 | unsigned int x:1; | ||
| 33 | } mprotect; | ||
| 34 | } u; | ||
| 35 | }; | ||
| 36 | |||
| 37 | extern void mprotect_kernel_vm(int w); | ||
| 38 | extern void force_flush_all(void); | ||
| 39 | extern void fix_range_common(struct mm_struct *mm, unsigned long start_addr, | ||
| 40 | unsigned long end_addr, int force, int data, | ||
| 41 | void (*do_ops)(int, struct host_vm_op *, int)); | ||
| 42 | extern int flush_tlb_kernel_range_common(unsigned long start, | ||
| 43 | unsigned long end); | ||
| 44 | |||
| 45 | extern int add_mmap(unsigned long virt, unsigned long phys, unsigned long len, | ||
| 46 | int r, int w, int x, struct host_vm_op *ops, int index, | ||
| 47 | int last_filled, int data, | ||
| 48 | void (*do_ops)(int, struct host_vm_op *, int)); | ||
| 49 | extern int add_munmap(unsigned long addr, unsigned long len, | ||
| 50 | struct host_vm_op *ops, int index, int last_filled, | ||
| 51 | int data, void (*do_ops)(int, struct host_vm_op *, int)); | ||
| 52 | extern int add_mprotect(unsigned long addr, unsigned long len, int r, int w, | ||
| 53 | int x, struct host_vm_op *ops, int index, | ||
| 54 | int last_filled, int data, | ||
| 55 | void (*do_ops)(int, struct host_vm_op *, int)); | ||
| 56 | #endif | ||
| 57 | |||
| 58 | /* | ||
| 59 | * Overrides for Emacs so that we follow Linus's tabbing style. | ||
| 60 | * Emacs will notice this stuff at the end of the file and automatically | ||
| 61 | * adjust the settings for this buffer only. This must remain at the end | ||
| 62 | * of the file. | ||
| 63 | * --------------------------------------------------------------------------- | ||
| 64 | * Local variables: | ||
| 65 | * c-file-style: "linux" | ||
| 66 | * End: | ||
| 67 | */ | ||