mm.h

 1/* SPDX-License-Identifier: GPL-2.0-only */
 2#ifndef __KVM_HYP_MM_H
 3#define __KVM_HYP_MM_H
 4
 5#include <asm/kvm_pgtable.h>
 6#include <asm/spectre.h>
 7#include <linux/memblock.h>
 8#include <linux/types.h>
 9
10#include <nvhe/memory.h>
11#include <nvhe/spinlock.h>
12
13extern struct kvm_pgtable pkvm_pgtable;
14extern hyp_spinlock_t pkvm_pgd_lock;
15
16int hyp_create_fixmap(void);
17void *hyp_fixmap_map(phys_addr_t phys);
18void hyp_fixmap_unmap(void);
19void *hyp_fixblock_map(phys_addr_t phys, size_t *size);
20void hyp_fixblock_unmap(void);
21
22int hyp_create_idmap(u32 hyp_va_bits);
23int hyp_map_vectors(void);
24int hyp_back_vmemmap(phys_addr_t back);
25int pkvm_cpu_set_vector(enum arm64_hyp_spectre_vector slot);
26int pkvm_create_mappings(void *from, void *to, enum kvm_pgtable_prot prot);
27int pkvm_create_mappings_locked(void *from, void *to, enum kvm_pgtable_prot prot);
28int __pkvm_create_private_mapping(phys_addr_t phys, size_t size,
29				  enum kvm_pgtable_prot prot,
30				  unsigned long *haddr);
31int pkvm_create_stack(phys_addr_t phys, unsigned long *haddr);
32int pkvm_alloc_private_va_range(size_t size, unsigned long *haddr);
33
34#endif /* __KVM_HYP_MM_H */