1*4882a593Smuzhiyun /* SPDX-License-Identifier: GPL-2.0 */
2*4882a593Smuzhiyun #ifndef _ASM_POWERPC_SLICE_H
3*4882a593Smuzhiyun #define _ASM_POWERPC_SLICE_H
4*4882a593Smuzhiyun
5*4882a593Smuzhiyun #ifdef CONFIG_PPC_BOOK3S_64
6*4882a593Smuzhiyun #include <asm/book3s/64/slice.h>
7*4882a593Smuzhiyun #endif
8*4882a593Smuzhiyun
9*4882a593Smuzhiyun #ifndef __ASSEMBLY__
10*4882a593Smuzhiyun
11*4882a593Smuzhiyun struct mm_struct;
12*4882a593Smuzhiyun
13*4882a593Smuzhiyun #ifdef CONFIG_PPC_MM_SLICES
14*4882a593Smuzhiyun
15*4882a593Smuzhiyun #ifdef CONFIG_HUGETLB_PAGE
16*4882a593Smuzhiyun #define HAVE_ARCH_HUGETLB_UNMAPPED_AREA
17*4882a593Smuzhiyun #endif
18*4882a593Smuzhiyun #define HAVE_ARCH_UNMAPPED_AREA
19*4882a593Smuzhiyun #define HAVE_ARCH_UNMAPPED_AREA_TOPDOWN
20*4882a593Smuzhiyun
21*4882a593Smuzhiyun unsigned long slice_get_unmapped_area(unsigned long addr, unsigned long len,
22*4882a593Smuzhiyun unsigned long flags, unsigned int psize,
23*4882a593Smuzhiyun int topdown);
24*4882a593Smuzhiyun
25*4882a593Smuzhiyun unsigned int get_slice_psize(struct mm_struct *mm, unsigned long addr);
26*4882a593Smuzhiyun
27*4882a593Smuzhiyun void slice_set_range_psize(struct mm_struct *mm, unsigned long start,
28*4882a593Smuzhiyun unsigned long len, unsigned int psize);
29*4882a593Smuzhiyun
30*4882a593Smuzhiyun void slice_init_new_context_exec(struct mm_struct *mm);
31*4882a593Smuzhiyun void slice_setup_new_exec(void);
32*4882a593Smuzhiyun
33*4882a593Smuzhiyun #else /* CONFIG_PPC_MM_SLICES */
34*4882a593Smuzhiyun
slice_init_new_context_exec(struct mm_struct * mm)35*4882a593Smuzhiyun static inline void slice_init_new_context_exec(struct mm_struct *mm) {}
36*4882a593Smuzhiyun
get_slice_psize(struct mm_struct * mm,unsigned long addr)37*4882a593Smuzhiyun static inline unsigned int get_slice_psize(struct mm_struct *mm, unsigned long addr)
38*4882a593Smuzhiyun {
39*4882a593Smuzhiyun return 0;
40*4882a593Smuzhiyun }
41*4882a593Smuzhiyun
42*4882a593Smuzhiyun #endif /* CONFIG_PPC_MM_SLICES */
43*4882a593Smuzhiyun
44*4882a593Smuzhiyun #endif /* __ASSEMBLY__ */
45*4882a593Smuzhiyun
46*4882a593Smuzhiyun #endif /* _ASM_POWERPC_SLICE_H */
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