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#endif
 8
 9#ifndef __ASSEMBLY__
10
11struct mm_struct;
12
13#ifdef CONFIG_PPC_MM_SLICES
14
15#ifdef CONFIG_HUGETLB_PAGE
16#define HAVE_ARCH_HUGETLB_UNMAPPED_AREA
17#endif
18#define HAVE_ARCH_UNMAPPED_AREA
19#define HAVE_ARCH_UNMAPPED_AREA_TOPDOWN
20
21unsigned long slice_get_unmapped_area(unsigned long addr, unsigned long len,
22				      unsigned long flags, unsigned int psize,
23				      int topdown);
24
25unsigned int get_slice_psize(struct mm_struct *mm, unsigned long addr);
26
27void slice_set_range_psize(struct mm_struct *mm, unsigned long start,
28			   unsigned long len, unsigned int psize);
29
30void slice_init_new_context_exec(struct mm_struct *mm);
31void slice_setup_new_exec(void);
32
33#else /* CONFIG_PPC_MM_SLICES */
34
35static inline void slice_init_new_context_exec(struct mm_struct *mm) {}
36
37static inline unsigned int get_slice_psize(struct mm_struct *mm, unsigned long addr)
38{
39	return 0;
40}
41
42#endif /* CONFIG_PPC_MM_SLICES */
43
44#endif /* __ASSEMBLY__ */
45
46#endif /* _ASM_POWERPC_SLICE_H */