summaryrefslogtreecommitdiffstats
path: root/arch/arm64/kvm/hyp/include/nvhe/mm.h
blob: 230e4f2527def39a1f5fe175b54b1ba637e613f0 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
/* SPDX-License-Identifier: GPL-2.0-only */
#ifndef __KVM_HYP_MM_H
#define __KVM_HYP_MM_H

#include <asm/kvm_pgtable.h>
#include <asm/spectre.h>
#include <linux/memblock.h>
#include <linux/types.h>

#include <nvhe/memory.h>
#include <nvhe/spinlock.h>

extern struct kvm_pgtable pkvm_pgtable;
extern hyp_spinlock_t pkvm_pgd_lock;

int hyp_create_pcpu_fixmap(void);
void *hyp_fixmap_map(phys_addr_t phys);
void hyp_fixmap_unmap(void);

int hyp_create_idmap(u32 hyp_va_bits);
int hyp_map_vectors(void);
int hyp_back_vmemmap(phys_addr_t back);
int pkvm_cpu_set_vector(enum arm64_hyp_spectre_vector slot);
int pkvm_create_mappings(void *from, void *to, enum kvm_pgtable_prot prot);
int pkvm_create_mappings_locked(void *from, void *to, enum kvm_pgtable_prot prot);
int __pkvm_create_private_mapping(phys_addr_t phys, size_t size,
				  enum kvm_pgtable_prot prot,
				  unsigned long *haddr);
int pkvm_create_stack(phys_addr_t phys, unsigned long *haddr);
int pkvm_alloc_private_va_range(size_t size, unsigned long *haddr);

#endif /* __KVM_HYP_MM_H */