1 /* SPDX-License-Identifier: GPL-2.0 */
2 #ifndef _ASM_POWERPC_SLICE_H
3 #define _ASM_POWERPC_SLICE_H
4
5 #ifdef CONFIG_PPC_BOOK3S_64
6 #include <asm/book3s/64/slice.h>
7 #elif defined(CONFIG_PPC_MMU_NOHASH_32)
8 #include <asm/nohash/32/slice.h>
9 #endif
10
11 #ifndef __ASSEMBLY__
12
13 struct mm_struct;
14
15 #ifdef CONFIG_PPC_MM_SLICES
16
17 #ifdef CONFIG_HUGETLB_PAGE
18 #define HAVE_ARCH_HUGETLB_UNMAPPED_AREA
19 #endif
20 #define HAVE_ARCH_UNMAPPED_AREA
21 #define HAVE_ARCH_UNMAPPED_AREA_TOPDOWN
22
23 unsigned long slice_get_unmapped_area(unsigned long addr, unsigned long len,
24 unsigned long flags, unsigned int psize,
25 int topdown);
26
27 unsigned int get_slice_psize(struct mm_struct *mm, unsigned long addr);
28
29 void slice_set_range_psize(struct mm_struct *mm, unsigned long start,
30 unsigned long len, unsigned int psize);
31
32 void slice_init_new_context_exec(struct mm_struct *mm);
33 void slice_setup_new_exec(void);
34
35 #else /* CONFIG_PPC_MM_SLICES */
36
slice_init_new_context_exec(struct mm_struct * mm)37 static inline void slice_init_new_context_exec(struct mm_struct *mm) {}
38
get_slice_psize(struct mm_struct * mm,unsigned long addr)39 static inline unsigned int get_slice_psize(struct mm_struct *mm, unsigned long addr)
40 {
41 return 0;
42 }
43
44 #endif /* CONFIG_PPC_MM_SLICES */
45
46 #endif /* __ASSEMBLY__ */
47
48 #endif /* _ASM_POWERPC_SLICE_H */
49