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Diffstat (limited to 'arch/arm64/include/asm/kvm_nested.h')
-rw-r--r--arch/arm64/include/asm/kvm_nested.h27
1 files changed, 25 insertions, 2 deletions
diff --git a/arch/arm64/include/asm/kvm_nested.h b/arch/arm64/include/asm/kvm_nested.h
index 7fd76f41c296..f7c06a840963 100644
--- a/arch/arm64/include/asm/kvm_nested.h
+++ b/arch/arm64/include/asm/kvm_nested.h
@@ -83,6 +83,8 @@ extern void check_nested_vcpu_requests(struct kvm_vcpu *vcpu);
extern void kvm_nested_flush_hwstate(struct kvm_vcpu *vcpu);
extern void kvm_nested_sync_hwstate(struct kvm_vcpu *vcpu);
+extern void kvm_nested_setup_mdcr_el2(struct kvm_vcpu *vcpu);
+
struct kvm_s2_trans {
phys_addr_t output;
unsigned long block_size;
@@ -265,7 +267,7 @@ static inline u64 decode_range_tlbi(u64 val, u64 *range, u16 *asid)
return base;
}
-static inline unsigned int ps_to_output_size(unsigned int ps)
+static inline unsigned int ps_to_output_size(unsigned int ps, bool pa52bit)
{
switch (ps) {
case 0: return 32;
@@ -273,7 +275,10 @@ static inline unsigned int ps_to_output_size(unsigned int ps)
case 2: return 40;
case 3: return 42;
case 4: return 44;
- case 5:
+ case 5: return 48;
+ case 6: if (pa52bit)
+ return 52;
+ fallthrough;
default:
return 48;
}
@@ -285,13 +290,28 @@ enum trans_regime {
TR_EL2,
};
+struct s1_walk_info;
+
+struct s1_walk_context {
+ struct s1_walk_info *wi;
+ u64 table_ipa;
+ int level;
+};
+
+struct s1_walk_filter {
+ int (*fn)(struct s1_walk_context *, void *);
+ void *priv;
+};
+
struct s1_walk_info {
+ struct s1_walk_filter *filter;
u64 baddr;
enum trans_regime regime;
unsigned int max_oa_bits;
unsigned int pgshift;
unsigned int txsz;
int sl;
+ u8 sh;
bool as_el0;
bool hpd;
bool e0poe;
@@ -299,6 +319,7 @@ struct s1_walk_info {
bool pan;
bool be;
bool s2;
+ bool pa52bit;
};
struct s1_walk_result {
@@ -334,6 +355,8 @@ struct s1_walk_result {
int __kvm_translate_va(struct kvm_vcpu *vcpu, struct s1_walk_info *wi,
struct s1_walk_result *wr, u64 va);
+int __kvm_find_s1_desc_level(struct kvm_vcpu *vcpu, u64 va, u64 ipa,
+ int *level);
/* VNCR management */
int kvm_vcpu_allocate_vncr_tlb(struct kvm_vcpu *vcpu);