19e953cdaSAlexandre Ghiti /* SPDX-License-Identifier: GPL-2.0 */ 29e953cdaSAlexandre Ghiti #ifndef _ASM_RISCV_HUGETLB_H 39e953cdaSAlexandre Ghiti #define _ASM_RISCV_HUGETLB_H 49e953cdaSAlexandre Ghiti 59e953cdaSAlexandre Ghiti #include <asm/page.h> 69e953cdaSAlexandre Ghiti 7d8bf77a1STong Tiangen static inline void arch_clear_hugepage_flags(struct page *page) 8d8bf77a1STong Tiangen { 9d8bf77a1STong Tiangen clear_bit(PG_dcache_clean, &page->flags); 10d8bf77a1STong Tiangen } 11d8bf77a1STong Tiangen #define arch_clear_hugepage_flags arch_clear_hugepage_flags 12d8bf77a1STong Tiangen 13*82a1a1f3SQinglin Pan #ifdef CONFIG_RISCV_ISA_SVNAPOT 14*82a1a1f3SQinglin Pan #define __HAVE_ARCH_HUGE_PTE_CLEAR 15*82a1a1f3SQinglin Pan void huge_pte_clear(struct mm_struct *mm, unsigned long addr, 16*82a1a1f3SQinglin Pan pte_t *ptep, unsigned long sz); 17*82a1a1f3SQinglin Pan 18*82a1a1f3SQinglin Pan #define __HAVE_ARCH_HUGE_SET_HUGE_PTE_AT 19*82a1a1f3SQinglin Pan void set_huge_pte_at(struct mm_struct *mm, 20*82a1a1f3SQinglin Pan unsigned long addr, pte_t *ptep, pte_t pte); 21*82a1a1f3SQinglin Pan 22*82a1a1f3SQinglin Pan #define __HAVE_ARCH_HUGE_PTEP_GET_AND_CLEAR 23*82a1a1f3SQinglin Pan pte_t huge_ptep_get_and_clear(struct mm_struct *mm, 24*82a1a1f3SQinglin Pan unsigned long addr, pte_t *ptep); 25*82a1a1f3SQinglin Pan 26*82a1a1f3SQinglin Pan #define __HAVE_ARCH_HUGE_PTEP_CLEAR_FLUSH 27*82a1a1f3SQinglin Pan pte_t huge_ptep_clear_flush(struct vm_area_struct *vma, 28*82a1a1f3SQinglin Pan unsigned long addr, pte_t *ptep); 29*82a1a1f3SQinglin Pan 30*82a1a1f3SQinglin Pan #define __HAVE_ARCH_HUGE_PTEP_SET_WRPROTECT 31*82a1a1f3SQinglin Pan void huge_ptep_set_wrprotect(struct mm_struct *mm, 32*82a1a1f3SQinglin Pan unsigned long addr, pte_t *ptep); 33*82a1a1f3SQinglin Pan 34*82a1a1f3SQinglin Pan #define __HAVE_ARCH_HUGE_PTEP_SET_ACCESS_FLAGS 35*82a1a1f3SQinglin Pan int huge_ptep_set_access_flags(struct vm_area_struct *vma, 36*82a1a1f3SQinglin Pan unsigned long addr, pte_t *ptep, 37*82a1a1f3SQinglin Pan pte_t pte, int dirty); 38*82a1a1f3SQinglin Pan 39*82a1a1f3SQinglin Pan pte_t arch_make_huge_pte(pte_t entry, unsigned int shift, vm_flags_t flags); 40*82a1a1f3SQinglin Pan #define arch_make_huge_pte arch_make_huge_pte 41*82a1a1f3SQinglin Pan 42*82a1a1f3SQinglin Pan #endif /*CONFIG_RISCV_ISA_SVNAPOT*/ 43*82a1a1f3SQinglin Pan 44*82a1a1f3SQinglin Pan #include <asm-generic/hugetlb.h> 45*82a1a1f3SQinglin Pan 469e953cdaSAlexandre Ghiti #endif /* _ASM_RISCV_HUGETLB_H */ 47