38 lines
1.2 KiB
C
38 lines
1.2 KiB
C
/* 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_idmap(u32 hyp_va_bits);
|
|
int hyp_map_vectors(void);
|
|
int hyp_back_vmemmap(phys_addr_t phys, unsigned long size, 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);
|
|
unsigned long __pkvm_create_private_mapping(phys_addr_t phys, size_t size,
|
|
enum kvm_pgtable_prot prot);
|
|
|
|
static inline void hyp_vmemmap_range(phys_addr_t phys, unsigned long size,
|
|
unsigned long *start, unsigned long *end)
|
|
{
|
|
unsigned long nr_pages = size >> PAGE_SHIFT;
|
|
struct hyp_page *p = hyp_phys_to_page(phys);
|
|
|
|
*start = (unsigned long)p;
|
|
*end = *start + nr_pages * sizeof(struct hyp_page);
|
|
*start = ALIGN_DOWN(*start, PAGE_SIZE);
|
|
*end = ALIGN(*end, PAGE_SIZE);
|
|
}
|
|
|
|
#endif /* __KVM_HYP_MM_H */
|