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// SPDX-License-Identifier: GPL-2.0
#include <linux/mm.h>
#include <linux/smp.h>
#include <asm/sbi.h>
void flush_tlb_all(void)
{
sbi_remote_sfence_vma(NULL, 0, -1);
}
static void __sbi_tlb_flush_range(struct cpumask *cmask, unsigned long start,
unsigned long size)
{
struct cpumask hmask;
riscv_cpuid_to_hartid_mask(cmask, &hmask);
sbi_remote_sfence_vma(hmask.bits, start, size);
}
void flush_tlb_mm(struct mm_struct *mm)
{
__sbi_tlb_flush_range(mm_cpumask(mm), 0, -1);
}
void flush_tlb_page(struct vm_area_struct *vma, unsigned long addr)
{
__sbi_tlb_flush_range(mm_cpumask(vma->vm_mm), addr, PAGE_SIZE);
}
void flush_tlb_range(struct vm_area_struct *vma, unsigned long start,
unsigned long end)
{
__sbi_tlb_flush_range(mm_cpumask(vma->vm_mm), start, end - start);
}
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