aboutsummaryrefslogtreecommitdiffstats
path: root/arch/arm64/kvm/hyp/include/nvhe/mm.h
diff options
context:
space:
mode:
Diffstat (limited to 'arch/arm64/kvm/hyp/include/nvhe/mm.h')
-rw-r--r--arch/arm64/kvm/hyp/include/nvhe/mm.h65
1 files changed, 4 insertions, 61 deletions
diff --git a/arch/arm64/kvm/hyp/include/nvhe/mm.h b/arch/arm64/kvm/hyp/include/nvhe/mm.h
index c9a8f535212e..42d8eb9bfe72 100644
--- a/arch/arm64/kvm/hyp/include/nvhe/mm.h
+++ b/arch/arm64/kvm/hyp/include/nvhe/mm.h
@@ -10,13 +10,8 @@
#include <nvhe/memory.h>
#include <nvhe/spinlock.h>
-#define HYP_MEMBLOCK_REGIONS 128
-extern struct memblock_region kvm_nvhe_sym(hyp_memory)[];
-extern unsigned int kvm_nvhe_sym(hyp_memblock_nr);
extern struct kvm_pgtable pkvm_pgtable;
extern hyp_spinlock_t pkvm_pgd_lock;
-extern struct hyp_pool hpool;
-extern u64 __io_map_base;
int hyp_create_idmap(u32 hyp_va_bits);
int hyp_map_vectors(void);
@@ -24,8 +19,10 @@ 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);
+int __pkvm_create_private_mapping(phys_addr_t phys, size_t size,
+ enum kvm_pgtable_prot prot,
+ unsigned long *haddr);
+int pkvm_alloc_private_va_range(size_t size, unsigned long *haddr);
static inline void hyp_vmemmap_range(phys_addr_t phys, unsigned long size,
unsigned long *start, unsigned long *end)
@@ -39,58 +36,4 @@ static inline void hyp_vmemmap_range(phys_addr_t phys, unsigned long size,
*end = ALIGN(*end, PAGE_SIZE);
}
-static inline unsigned long __hyp_pgtable_max_pages(unsigned long nr_pages)
-{
- unsigned long total = 0, i;
-
- /* Provision the worst case scenario */
- for (i = 0; i < KVM_PGTABLE_MAX_LEVELS; i++) {
- nr_pages = DIV_ROUND_UP(nr_pages, PTRS_PER_PTE);
- total += nr_pages;
- }
-
- return total;
-}
-
-static inline unsigned long __hyp_pgtable_total_pages(void)
-{
- unsigned long res = 0, i;
-
- /* Cover all of memory with page-granularity */
- for (i = 0; i < kvm_nvhe_sym(hyp_memblock_nr); i++) {
- struct memblock_region *reg = &kvm_nvhe_sym(hyp_memory)[i];
- res += __hyp_pgtable_max_pages(reg->size >> PAGE_SHIFT);
- }
-
- return res;
-}
-
-static inline unsigned long hyp_s1_pgtable_pages(void)
-{
- unsigned long res;
-
- res = __hyp_pgtable_total_pages();
-
- /* Allow 1 GiB for private mappings */
- res += __hyp_pgtable_max_pages(SZ_1G >> PAGE_SHIFT);
-
- return res;
-}
-
-static inline unsigned long host_s2_pgtable_pages(void)
-{
- unsigned long res;
-
- /*
- * Include an extra 16 pages to safely upper-bound the worst case of
- * concatenated pgds.
- */
- res = __hyp_pgtable_total_pages() + 16;
-
- /* Allow 1 GiB for MMIO mappings */
- res += __hyp_pgtable_max_pages(SZ_1G >> PAGE_SHIFT);
-
- return res;
-}
-
#endif /* __KVM_HYP_MM_H */