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/* SPDX-License-Identifier: GPL-2.0 */
#ifndef _ASM_POWERPC_BOOK3S_64_SLICE_H
#define _ASM_POWERPC_BOOK3S_64_SLICE_H
#ifndef __ASSEMBLY__
#ifdef CONFIG_PPC_64S_HASH_MMU
#ifdef CONFIG_HUGETLB_PAGE
#define HAVE_ARCH_HUGETLB_UNMAPPED_AREA
#endif
#define HAVE_ARCH_UNMAPPED_AREA
#define HAVE_ARCH_UNMAPPED_AREA_TOPDOWN
#endif
#define SLICE_LOW_SHIFT 28
#define SLICE_LOW_TOP (0x100000000ul)
#define SLICE_NUM_LOW (SLICE_LOW_TOP >> SLICE_LOW_SHIFT)
#define GET_LOW_SLICE_INDEX(addr) ((addr) >> SLICE_LOW_SHIFT)
#define SLICE_HIGH_SHIFT 40
#define SLICE_NUM_HIGH (H_PGTABLE_RANGE >> SLICE_HIGH_SHIFT)
#define GET_HIGH_SLICE_INDEX(addr) ((addr) >> SLICE_HIGH_SHIFT)
#define SLB_ADDR_LIMIT_DEFAULT DEFAULT_MAP_WINDOW_USER64
struct mm_struct;
unsigned long slice_get_unmapped_area(unsigned long addr, unsigned long len,
unsigned long flags, unsigned int psize,
int topdown);
unsigned int get_slice_psize(struct mm_struct *mm, unsigned long addr);
void slice_set_range_psize(struct mm_struct *mm, unsigned long start,
unsigned long len, unsigned int psize);
void slice_init_new_context_exec(struct mm_struct *mm);
void slice_setup_new_exec(void);
#endif /* __ASSEMBLY__ */
#endif /* _ASM_POWERPC_BOOK3S_64_SLICE_H */
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