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
13struct 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
23unsigned long slice_get_unmapped_area(unsigned long addr, unsigned long len,
24				      unsigned long flags, unsigned int psize,
25				      int topdown);
26
27unsigned int get_slice_psize(struct mm_struct *mm, unsigned long addr);
28
29void slice_set_range_psize(struct mm_struct *mm, unsigned long start,
30			   unsigned long len, unsigned int psize);
31
32void slice_init_new_context_exec(struct mm_struct *mm);
33void slice_setup_new_exec(void);
34
35#else /* CONFIG_PPC_MM_SLICES */
36
37static inline void slice_init_new_context_exec(struct mm_struct *mm) {}
38
39static 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 */