1 /* SPDX-License-Identifier: GPL-2.0-only */
2 #ifndef __KVM_HYP_MEMORY_H
3 #define __KVM_HYP_MEMORY_H
5 #include <asm/kvm_mmu.h>
8 #include <linux/types.h>
12 unsigned int refcount;
14 struct hyp_pool *pool;
15 struct list_head node;
18 extern u64 __hyp_vmemmap;
19 #define hyp_vmemmap ((struct hyp_page *)__hyp_vmemmap)
21 #define __hyp_va(phys) ((void *)((phys_addr_t)(phys) - hyp_physvirt_offset))
23 static inline void *hyp_phys_to_virt(phys_addr_t phys)
25 return __hyp_va(phys);
28 static inline phys_addr_t hyp_virt_to_phys(void *addr)
30 return __hyp_pa(addr);
33 #define hyp_phys_to_pfn(phys) ((phys) >> PAGE_SHIFT)
34 #define hyp_pfn_to_phys(pfn) ((phys_addr_t)((pfn) << PAGE_SHIFT))
35 #define hyp_phys_to_page(phys) (&hyp_vmemmap[hyp_phys_to_pfn(phys)])
36 #define hyp_virt_to_page(virt) hyp_phys_to_page(__hyp_pa(virt))
37 #define hyp_virt_to_pfn(virt) hyp_phys_to_pfn(__hyp_pa(virt))
39 #define hyp_page_to_pfn(page) ((struct hyp_page *)(page) - hyp_vmemmap)
40 #define hyp_page_to_phys(page) hyp_pfn_to_phys((hyp_page_to_pfn(page)))
41 #define hyp_page_to_virt(page) __hyp_va(hyp_page_to_phys(page))
42 #define hyp_page_to_pool(page) (((struct hyp_page *)page)->pool)
44 static inline int hyp_page_count(void *addr)
46 struct hyp_page *p = hyp_virt_to_page(addr);
51 #endif /* __KVM_HYP_MEMORY_H */