19e953cdaSAlexandre Ghiti /* SPDX-License-Identifier: GPL-2.0 */ 29e953cdaSAlexandre Ghiti #ifndef _ASM_RISCV_HUGETLB_H 39e953cdaSAlexandre Ghiti #define _ASM_RISCV_HUGETLB_H 49e953cdaSAlexandre Ghiti 5*33a9fb09SHugh Dickins #include <asm/cacheflush.h> 69e953cdaSAlexandre Ghiti #include <asm/page.h> 79e953cdaSAlexandre Ghiti 8d8bf77a1STong Tiangen static inline void arch_clear_hugepage_flags(struct page *page) 9d8bf77a1STong Tiangen { 10d8bf77a1STong Tiangen clear_bit(PG_dcache_clean, &page->flags); 11d8bf77a1STong Tiangen } 12d8bf77a1STong Tiangen #define arch_clear_hugepage_flags arch_clear_hugepage_flags 13d8bf77a1STong Tiangen 1482a1a1f3SQinglin Pan #ifdef CONFIG_RISCV_ISA_SVNAPOT 1582a1a1f3SQinglin Pan #define __HAVE_ARCH_HUGE_PTE_CLEAR 1682a1a1f3SQinglin Pan void huge_pte_clear(struct mm_struct *mm, unsigned long addr, 1782a1a1f3SQinglin Pan pte_t *ptep, unsigned long sz); 1882a1a1f3SQinglin Pan 1982a1a1f3SQinglin Pan #define __HAVE_ARCH_HUGE_SET_HUGE_PTE_AT 2082a1a1f3SQinglin Pan void set_huge_pte_at(struct mm_struct *mm, 2182a1a1f3SQinglin Pan unsigned long addr, pte_t *ptep, pte_t pte); 2282a1a1f3SQinglin Pan 2382a1a1f3SQinglin Pan #define __HAVE_ARCH_HUGE_PTEP_GET_AND_CLEAR 2482a1a1f3SQinglin Pan pte_t huge_ptep_get_and_clear(struct mm_struct *mm, 2582a1a1f3SQinglin Pan unsigned long addr, pte_t *ptep); 2682a1a1f3SQinglin Pan 2782a1a1f3SQinglin Pan #define __HAVE_ARCH_HUGE_PTEP_CLEAR_FLUSH 2882a1a1f3SQinglin Pan pte_t huge_ptep_clear_flush(struct vm_area_struct *vma, 2982a1a1f3SQinglin Pan unsigned long addr, pte_t *ptep); 3082a1a1f3SQinglin Pan 3182a1a1f3SQinglin Pan #define __HAVE_ARCH_HUGE_PTEP_SET_WRPROTECT 3282a1a1f3SQinglin Pan void huge_ptep_set_wrprotect(struct mm_struct *mm, 3382a1a1f3SQinglin Pan unsigned long addr, pte_t *ptep); 3482a1a1f3SQinglin Pan 3582a1a1f3SQinglin Pan #define __HAVE_ARCH_HUGE_PTEP_SET_ACCESS_FLAGS 3682a1a1f3SQinglin Pan int huge_ptep_set_access_flags(struct vm_area_struct *vma, 3782a1a1f3SQinglin Pan unsigned long addr, pte_t *ptep, 3882a1a1f3SQinglin Pan pte_t pte, int dirty); 3982a1a1f3SQinglin Pan 406966d798SAlexandre Ghiti #define __HAVE_ARCH_HUGE_PTEP_GET 416966d798SAlexandre Ghiti pte_t huge_ptep_get(pte_t *ptep); 426966d798SAlexandre Ghiti 4382a1a1f3SQinglin Pan pte_t arch_make_huge_pte(pte_t entry, unsigned int shift, vm_flags_t flags); 4482a1a1f3SQinglin Pan #define arch_make_huge_pte arch_make_huge_pte 4582a1a1f3SQinglin Pan 4682a1a1f3SQinglin Pan #endif /*CONFIG_RISCV_ISA_SVNAPOT*/ 4782a1a1f3SQinglin Pan 4882a1a1f3SQinglin Pan #include <asm-generic/hugetlb.h> 4982a1a1f3SQinglin Pan 509e953cdaSAlexandre Ghiti #endif /* _ASM_RISCV_HUGETLB_H */ 51