^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1) /* SPDX-License-Identifier: GPL-2.0 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2) #ifndef _ASM_PARISC64_HUGETLB_H
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3) #define _ASM_PARISC64_HUGETLB_H
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5) #include <asm/page.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7) #define __HAVE_ARCH_HUGE_SET_HUGE_PTE_AT
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 8) void set_huge_pte_at(struct mm_struct *mm, unsigned long addr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 9) pte_t *ptep, pte_t pte);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 10)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 11) #define __HAVE_ARCH_HUGE_PTEP_GET_AND_CLEAR
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 12) pte_t huge_ptep_get_and_clear(struct mm_struct *mm, unsigned long addr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 13) pte_t *ptep);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 14)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 15) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 16) * If the arch doesn't supply something else, assume that hugepage
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 17) * size aligned regions are ok without further preparation.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 18) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 19) #define __HAVE_ARCH_PREPARE_HUGEPAGE_RANGE
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 20) static inline int prepare_hugepage_range(struct file *file,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 21) unsigned long addr, unsigned long len)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 22) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 23) if (len & ~HPAGE_MASK)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 24) return -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 25) if (addr & ~HPAGE_MASK)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 26) return -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 27) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 28) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 29)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 30) #define __HAVE_ARCH_HUGE_PTEP_CLEAR_FLUSH
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 31) static inline void huge_ptep_clear_flush(struct vm_area_struct *vma,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 32) unsigned long addr, pte_t *ptep)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 33) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 34) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 35)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 36) #define __HAVE_ARCH_HUGE_PTEP_SET_WRPROTECT
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 37) void huge_ptep_set_wrprotect(struct mm_struct *mm,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 38) unsigned long addr, pte_t *ptep);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 39)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 40) #define __HAVE_ARCH_HUGE_PTEP_SET_ACCESS_FLAGS
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 41) int huge_ptep_set_access_flags(struct vm_area_struct *vma,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 42) unsigned long addr, pte_t *ptep,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 43) pte_t pte, int dirty);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 44)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 45) #include <asm-generic/hugetlb.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 46)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 47) #endif /* _ASM_PARISC64_HUGETLB_H */