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-rw-r--r--arch/arm64/include/asm/kvm_arm.h1
-rw-r--r--arch/arm64/include/asm/kvm_asm.h48
-rw-r--r--arch/arm64/include/asm/kvm_emulate.h5
-rw-r--r--arch/arm64/include/asm/kvm_host.h4
-rw-r--r--arch/arm64/include/asm/kvm_hyp.h5
-rw-r--r--arch/arm64/include/asm/sysreg.h3
6 files changed, 44 insertions, 22 deletions
diff --git a/arch/arm64/include/asm/kvm_arm.h b/arch/arm64/include/asm/kvm_arm.h
index 327120c0089f..a39fcf318c77 100644
--- a/arch/arm64/include/asm/kvm_arm.h
+++ b/arch/arm64/include/asm/kvm_arm.h
@@ -295,6 +295,7 @@
#define MDCR_EL2_HPMFZO (UL(1) << 29)
#define MDCR_EL2_MTPME (UL(1) << 28)
#define MDCR_EL2_TDCC (UL(1) << 27)
+#define MDCR_EL2_HLP (UL(1) << 26)
#define MDCR_EL2_HCCD (UL(1) << 23)
#define MDCR_EL2_TTRF (UL(1) << 19)
#define MDCR_EL2_HPMD (UL(1) << 17)
diff --git a/arch/arm64/include/asm/kvm_asm.h b/arch/arm64/include/asm/kvm_asm.h
index 6486b1db268e..50d5e4de244c 100644
--- a/arch/arm64/include/asm/kvm_asm.h
+++ b/arch/arm64/include/asm/kvm_asm.h
@@ -44,31 +44,39 @@
#define KVM_HOST_SMCCC_FUNC(name) KVM_HOST_SMCCC_ID(__KVM_HOST_SMCCC_FUNC_##name)
#define __KVM_HOST_SMCCC_FUNC___kvm_hyp_init 0
-#define __KVM_HOST_SMCCC_FUNC___kvm_vcpu_run 1
-#define __KVM_HOST_SMCCC_FUNC___kvm_flush_vm_context 2
-#define __KVM_HOST_SMCCC_FUNC___kvm_tlb_flush_vmid_ipa 3
-#define __KVM_HOST_SMCCC_FUNC___kvm_tlb_flush_vmid 4
-#define __KVM_HOST_SMCCC_FUNC___kvm_flush_cpu_context 5
-#define __KVM_HOST_SMCCC_FUNC___kvm_timer_set_cntvoff 6
-#define __KVM_HOST_SMCCC_FUNC___kvm_enable_ssbs 7
-#define __KVM_HOST_SMCCC_FUNC___vgic_v3_get_gic_config 8
-#define __KVM_HOST_SMCCC_FUNC___vgic_v3_read_vmcr 9
-#define __KVM_HOST_SMCCC_FUNC___vgic_v3_write_vmcr 10
-#define __KVM_HOST_SMCCC_FUNC___vgic_v3_init_lrs 11
-#define __KVM_HOST_SMCCC_FUNC___kvm_get_mdcr_el2 12
-#define __KVM_HOST_SMCCC_FUNC___vgic_v3_save_aprs 13
-#define __KVM_HOST_SMCCC_FUNC___vgic_v3_restore_aprs 14
-#define __KVM_HOST_SMCCC_FUNC___pkvm_init 15
-#define __KVM_HOST_SMCCC_FUNC___pkvm_host_share_hyp 16
-#define __KVM_HOST_SMCCC_FUNC___pkvm_create_private_mapping 17
-#define __KVM_HOST_SMCCC_FUNC___pkvm_cpu_set_vector 18
-#define __KVM_HOST_SMCCC_FUNC___pkvm_prot_finalize 19
-#define __KVM_HOST_SMCCC_FUNC___kvm_adjust_pc 20
#ifndef __ASSEMBLY__
#include <linux/mm.h>
+enum __kvm_host_smccc_func {
+ /* Hypercalls available only prior to pKVM finalisation */
+ /* __KVM_HOST_SMCCC_FUNC___kvm_hyp_init */
+ __KVM_HOST_SMCCC_FUNC___kvm_get_mdcr_el2 = __KVM_HOST_SMCCC_FUNC___kvm_hyp_init + 1,
+ __KVM_HOST_SMCCC_FUNC___pkvm_init,
+ __KVM_HOST_SMCCC_FUNC___pkvm_create_private_mapping,
+ __KVM_HOST_SMCCC_FUNC___pkvm_cpu_set_vector,
+ __KVM_HOST_SMCCC_FUNC___kvm_enable_ssbs,
+ __KVM_HOST_SMCCC_FUNC___vgic_v3_init_lrs,
+ __KVM_HOST_SMCCC_FUNC___vgic_v3_get_gic_config,
+ __KVM_HOST_SMCCC_FUNC___pkvm_prot_finalize,
+
+ /* Hypercalls available after pKVM finalisation */
+ __KVM_HOST_SMCCC_FUNC___pkvm_host_share_hyp,
+ __KVM_HOST_SMCCC_FUNC___kvm_adjust_pc,
+ __KVM_HOST_SMCCC_FUNC___kvm_vcpu_run,
+ __KVM_HOST_SMCCC_FUNC___kvm_flush_vm_context,
+ __KVM_HOST_SMCCC_FUNC___kvm_tlb_flush_vmid_ipa,
+ __KVM_HOST_SMCCC_FUNC___kvm_tlb_flush_vmid,
+ __KVM_HOST_SMCCC_FUNC___kvm_flush_cpu_context,
+ __KVM_HOST_SMCCC_FUNC___kvm_timer_set_cntvoff,
+ __KVM_HOST_SMCCC_FUNC___vgic_v3_read_vmcr,
+ __KVM_HOST_SMCCC_FUNC___vgic_v3_write_vmcr,
+ __KVM_HOST_SMCCC_FUNC___vgic_v3_save_aprs,
+ __KVM_HOST_SMCCC_FUNC___vgic_v3_restore_aprs,
+ __KVM_HOST_SMCCC_FUNC___pkvm_vcpu_init_traps,
+};
+
#define DECLARE_KVM_VHE_SYM(sym) extern char sym[]
#define DECLARE_KVM_NVHE_SYM(sym) extern char kvm_nvhe_sym(sym)[]
diff --git a/arch/arm64/include/asm/kvm_emulate.h b/arch/arm64/include/asm/kvm_emulate.h
index fd418955e31e..f4871e47b2d0 100644
--- a/arch/arm64/include/asm/kvm_emulate.h
+++ b/arch/arm64/include/asm/kvm_emulate.h
@@ -396,7 +396,10 @@ static inline bool kvm_vcpu_is_be(struct kvm_vcpu *vcpu)
if (vcpu_mode_is_32bit(vcpu))
return !!(*vcpu_cpsr(vcpu) & PSR_AA32_E_BIT);
- return !!(vcpu_read_sys_reg(vcpu, SCTLR_EL1) & (1 << 25));
+ if (vcpu_mode_priv(vcpu))
+ return !!(vcpu_read_sys_reg(vcpu, SCTLR_EL1) & SCTLR_ELx_EE);
+ else
+ return !!(vcpu_read_sys_reg(vcpu, SCTLR_EL1) & SCTLR_EL1_E0E);
}
static inline unsigned long vcpu_data_guest_to_host(struct kvm_vcpu *vcpu,
diff --git a/arch/arm64/include/asm/kvm_host.h b/arch/arm64/include/asm/kvm_host.h
index f8be56d5342b..4be8486042a7 100644
--- a/arch/arm64/include/asm/kvm_host.h
+++ b/arch/arm64/include/asm/kvm_host.h
@@ -58,6 +58,7 @@
enum kvm_mode {
KVM_MODE_DEFAULT,
KVM_MODE_PROTECTED,
+ KVM_MODE_NONE,
};
enum kvm_mode kvm_get_mode(void);
@@ -771,7 +772,6 @@ int kvm_set_ipa_limit(void);
#define __KVM_HAVE_ARCH_VM_ALLOC
struct kvm *kvm_arch_alloc_vm(void);
-void kvm_arch_free_vm(struct kvm *kvm);
int kvm_arm_setup_stage2(struct kvm *kvm, unsigned long type);
@@ -780,6 +780,8 @@ static inline bool kvm_vm_is_protected(struct kvm *kvm)
return false;
}
+void kvm_init_protected_traps(struct kvm_vcpu *vcpu);
+
int kvm_arm_vcpu_finalize(struct kvm_vcpu *vcpu, int feature);
bool kvm_arm_vcpu_is_finalized(struct kvm_vcpu *vcpu);
diff --git a/arch/arm64/include/asm/kvm_hyp.h b/arch/arm64/include/asm/kvm_hyp.h
index 657d0c94cf82..5afd14ab15b9 100644
--- a/arch/arm64/include/asm/kvm_hyp.h
+++ b/arch/arm64/include/asm/kvm_hyp.h
@@ -115,7 +115,12 @@ int __pkvm_init(phys_addr_t phys, unsigned long size, unsigned long nr_cpus,
void __noreturn __host_enter(struct kvm_cpu_context *host_ctxt);
#endif
+extern u64 kvm_nvhe_sym(id_aa64pfr0_el1_sys_val);
+extern u64 kvm_nvhe_sym(id_aa64pfr1_el1_sys_val);
+extern u64 kvm_nvhe_sym(id_aa64isar0_el1_sys_val);
+extern u64 kvm_nvhe_sym(id_aa64isar1_el1_sys_val);
extern u64 kvm_nvhe_sym(id_aa64mmfr0_el1_sys_val);
extern u64 kvm_nvhe_sym(id_aa64mmfr1_el1_sys_val);
+extern u64 kvm_nvhe_sym(id_aa64mmfr2_el1_sys_val);
#endif /* __ARM64_KVM_HYP_H__ */
diff --git a/arch/arm64/include/asm/sysreg.h b/arch/arm64/include/asm/sysreg.h
index 027dbe004df4..16b3f1a1d468 100644
--- a/arch/arm64/include/asm/sysreg.h
+++ b/arch/arm64/include/asm/sysreg.h
@@ -1160,6 +1160,7 @@
#define ICH_HCR_TC (1 << 10)
#define ICH_HCR_TALL0 (1 << 11)
#define ICH_HCR_TALL1 (1 << 12)
+#define ICH_HCR_TDIR (1 << 14)
#define ICH_HCR_EOIcount_SHIFT 27
#define ICH_HCR_EOIcount_MASK (0x1f << ICH_HCR_EOIcount_SHIFT)
@@ -1192,6 +1193,8 @@
#define ICH_VTR_SEIS_MASK (1 << ICH_VTR_SEIS_SHIFT)
#define ICH_VTR_A3V_SHIFT 21
#define ICH_VTR_A3V_MASK (1 << ICH_VTR_A3V_SHIFT)
+#define ICH_VTR_TDS_SHIFT 19
+#define ICH_VTR_TDS_MASK (1 << ICH_VTR_TDS_SHIFT)
#define ARM64_FEATURE_FIELD_BITS 4