19e953cdaSAlexandre Ghiti /* SPDX-License-Identifier: GPL-2.0 */ 29e953cdaSAlexandre Ghiti #ifndef _ASM_RISCV_HUGETLB_H 39e953cdaSAlexandre Ghiti #define _ASM_RISCV_HUGETLB_H 49e953cdaSAlexandre Ghiti 533a9fb09SHugh Dickins #include <asm/cacheflush.h> 69e953cdaSAlexandre Ghiti #include <asm/page.h> 79e953cdaSAlexandre Ghiti 851718e25SMatthew Wilcox (Oracle) static inline void arch_clear_hugetlb_flags(struct folio *folio) 9d8bf77a1STong Tiangen { 1051718e25SMatthew Wilcox (Oracle) clear_bit(PG_dcache_clean, &folio->flags); 11d8bf77a1STong Tiangen } 1251718e25SMatthew Wilcox (Oracle) #define arch_clear_hugetlb_flags arch_clear_hugetlb_flags 13d8bf77a1STong Tiangen 14fc325b1aSAlexandre Ghiti #ifdef CONFIG_ARCH_ENABLE_HUGEPAGE_MIGRATION 15ce68c035SAlexandre Ghiti bool arch_hugetlb_migration_supported(struct hstate *h); 16ce68c035SAlexandre Ghiti #define arch_hugetlb_migration_supported arch_hugetlb_migration_supported 17fc325b1aSAlexandre Ghiti #endif 18ce68c035SAlexandre Ghiti 1982a1a1f3SQinglin Pan #ifdef CONFIG_RISCV_ISA_SVNAPOT 2082a1a1f3SQinglin Pan #define __HAVE_ARCH_HUGE_PTE_CLEAR 2182a1a1f3SQinglin Pan void huge_pte_clear(struct mm_struct *mm, unsigned long addr, 2282a1a1f3SQinglin Pan pte_t *ptep, unsigned long sz); 2382a1a1f3SQinglin Pan 2482a1a1f3SQinglin Pan #define __HAVE_ARCH_HUGE_SET_HUGE_PTE_AT 2582a1a1f3SQinglin Pan void set_huge_pte_at(struct mm_struct *mm, 26935d4f0cSRyan Roberts unsigned long addr, pte_t *ptep, pte_t pte, 27935d4f0cSRyan Roberts unsigned long sz); 2882a1a1f3SQinglin Pan 2982a1a1f3SQinglin Pan #define __HAVE_ARCH_HUGE_PTEP_GET_AND_CLEAR 3082a1a1f3SQinglin Pan pte_t huge_ptep_get_and_clear(struct mm_struct *mm, 3182a1a1f3SQinglin Pan unsigned long addr, pte_t *ptep); 3282a1a1f3SQinglin Pan 3382a1a1f3SQinglin Pan #define __HAVE_ARCH_HUGE_PTEP_CLEAR_FLUSH 3482a1a1f3SQinglin Pan pte_t huge_ptep_clear_flush(struct vm_area_struct *vma, 3582a1a1f3SQinglin Pan unsigned long addr, pte_t *ptep); 3682a1a1f3SQinglin Pan 3782a1a1f3SQinglin Pan #define __HAVE_ARCH_HUGE_PTEP_SET_WRPROTECT 3882a1a1f3SQinglin Pan void huge_ptep_set_wrprotect(struct mm_struct *mm, 3982a1a1f3SQinglin Pan unsigned long addr, pte_t *ptep); 4082a1a1f3SQinglin Pan 4182a1a1f3SQinglin Pan #define __HAVE_ARCH_HUGE_PTEP_SET_ACCESS_FLAGS 4282a1a1f3SQinglin Pan int huge_ptep_set_access_flags(struct vm_area_struct *vma, 4382a1a1f3SQinglin Pan unsigned long addr, pte_t *ptep, 4482a1a1f3SQinglin Pan pte_t pte, int dirty); 4582a1a1f3SQinglin Pan 466966d798SAlexandre Ghiti #define __HAVE_ARCH_HUGE_PTEP_GET 47*e6c0c032SChristophe Leroy pte_t huge_ptep_get(struct mm_struct *mm, unsigned long addr, pte_t *ptep); 486966d798SAlexandre Ghiti 4982a1a1f3SQinglin Pan pte_t arch_make_huge_pte(pte_t entry, unsigned int shift, vm_flags_t flags); 5082a1a1f3SQinglin Pan #define arch_make_huge_pte arch_make_huge_pte 5182a1a1f3SQinglin Pan 5282a1a1f3SQinglin Pan #endif /*CONFIG_RISCV_ISA_SVNAPOT*/ 5382a1a1f3SQinglin Pan 5482a1a1f3SQinglin Pan #include <asm-generic/hugetlb.h> 5582a1a1f3SQinglin Pan 569e953cdaSAlexandre Ghiti #endif /* _ASM_RISCV_HUGETLB_H */ 57