162306a36Sopenharmony_ci/* SPDX-License-Identifier: GPL-2.0 */ 262306a36Sopenharmony_ci#ifndef _ASM_POWERPC_BOOK3S_64_SLICE_H 362306a36Sopenharmony_ci#define _ASM_POWERPC_BOOK3S_64_SLICE_H 462306a36Sopenharmony_ci 562306a36Sopenharmony_ci#ifndef __ASSEMBLY__ 662306a36Sopenharmony_ci 762306a36Sopenharmony_ci#ifdef CONFIG_PPC_64S_HASH_MMU 862306a36Sopenharmony_ci#ifdef CONFIG_HUGETLB_PAGE 962306a36Sopenharmony_ci#define HAVE_ARCH_HUGETLB_UNMAPPED_AREA 1062306a36Sopenharmony_ci#endif 1162306a36Sopenharmony_ci#define HAVE_ARCH_UNMAPPED_AREA 1262306a36Sopenharmony_ci#define HAVE_ARCH_UNMAPPED_AREA_TOPDOWN 1362306a36Sopenharmony_ci#endif 1462306a36Sopenharmony_ci 1562306a36Sopenharmony_ci#define SLICE_LOW_SHIFT 28 1662306a36Sopenharmony_ci#define SLICE_LOW_TOP (0x100000000ul) 1762306a36Sopenharmony_ci#define SLICE_NUM_LOW (SLICE_LOW_TOP >> SLICE_LOW_SHIFT) 1862306a36Sopenharmony_ci#define GET_LOW_SLICE_INDEX(addr) ((addr) >> SLICE_LOW_SHIFT) 1962306a36Sopenharmony_ci 2062306a36Sopenharmony_ci#define SLICE_HIGH_SHIFT 40 2162306a36Sopenharmony_ci#define SLICE_NUM_HIGH (H_PGTABLE_RANGE >> SLICE_HIGH_SHIFT) 2262306a36Sopenharmony_ci#define GET_HIGH_SLICE_INDEX(addr) ((addr) >> SLICE_HIGH_SHIFT) 2362306a36Sopenharmony_ci 2462306a36Sopenharmony_ci#define SLB_ADDR_LIMIT_DEFAULT DEFAULT_MAP_WINDOW_USER64 2562306a36Sopenharmony_ci 2662306a36Sopenharmony_cistruct mm_struct; 2762306a36Sopenharmony_ci 2862306a36Sopenharmony_ciunsigned long slice_get_unmapped_area(unsigned long addr, unsigned long len, 2962306a36Sopenharmony_ci unsigned long flags, unsigned int psize, 3062306a36Sopenharmony_ci int topdown); 3162306a36Sopenharmony_ci 3262306a36Sopenharmony_ciunsigned int get_slice_psize(struct mm_struct *mm, unsigned long addr); 3362306a36Sopenharmony_ci 3462306a36Sopenharmony_civoid slice_set_range_psize(struct mm_struct *mm, unsigned long start, 3562306a36Sopenharmony_ci unsigned long len, unsigned int psize); 3662306a36Sopenharmony_ci 3762306a36Sopenharmony_civoid slice_init_new_context_exec(struct mm_struct *mm); 3862306a36Sopenharmony_civoid slice_setup_new_exec(void); 3962306a36Sopenharmony_ci 4062306a36Sopenharmony_ci#endif /* __ASSEMBLY__ */ 4162306a36Sopenharmony_ci 4262306a36Sopenharmony_ci#endif /* _ASM_POWERPC_BOOK3S_64_SLICE_H */ 43