diff options
Diffstat (limited to 'arch/arm64/include')
-rw-r--r-- | arch/arm64/include/asm/arch_timer.h | 8 | ||||
-rw-r--r-- | arch/arm64/include/asm/kvm_asm.h | 2 | ||||
-rw-r--r-- | arch/arm64/include/asm/kvm_emulate.h | 5 | ||||
-rw-r--r-- | arch/arm64/include/asm/kvm_hyp.h | 4 | ||||
-rw-r--r-- | arch/arm64/include/asm/timex.h | 2 | ||||
-rw-r--r-- | arch/arm64/include/uapi/asm/kvm.h | 7 |
6 files changed, 19 insertions, 9 deletions
diff --git a/arch/arm64/include/asm/arch_timer.h b/arch/arm64/include/asm/arch_timer.h index bdedd8f748d1..f2a234d6516c 100644 --- a/arch/arm64/include/asm/arch_timer.h +++ b/arch/arm64/include/asm/arch_timer.h @@ -52,6 +52,7 @@ struct arch_timer_erratum_workaround { const char *desc; u32 (*read_cntp_tval_el0)(void); u32 (*read_cntv_tval_el0)(void); + u64 (*read_cntpct_el0)(void); u64 (*read_cntvct_el0)(void); int (*set_next_event_phys)(unsigned long, struct clock_event_device *); int (*set_next_event_virt)(unsigned long, struct clock_event_device *); @@ -149,11 +150,8 @@ static inline void arch_timer_set_cntkctl(u32 cntkctl) static inline u64 arch_counter_get_cntpct(void) { - /* - * AArch64 kernel and user space mandate the use of CNTVCT. - */ - BUG(); - return 0; + isb(); + return arch_timer_reg_read_stable(cntpct_el0); } static inline u64 arch_counter_get_cntvct(void) diff --git a/arch/arm64/include/asm/kvm_asm.h b/arch/arm64/include/asm/kvm_asm.h index 26a64d0f9ab9..ab4d0a926043 100644 --- a/arch/arm64/include/asm/kvm_asm.h +++ b/arch/arm64/include/asm/kvm_asm.h @@ -55,6 +55,8 @@ extern void __kvm_tlb_flush_vmid_ipa(struct kvm *kvm, phys_addr_t ipa); extern void __kvm_tlb_flush_vmid(struct kvm *kvm); extern void __kvm_tlb_flush_local_vmid(struct kvm_vcpu *vcpu); +extern void __kvm_timer_set_cntvoff(u32 cntvoff_low, u32 cntvoff_high); + extern int __kvm_vcpu_run(struct kvm_vcpu *vcpu); extern u64 __vgic_v3_get_ich_vtr_el2(void); diff --git a/arch/arm64/include/asm/kvm_emulate.h b/arch/arm64/include/asm/kvm_emulate.h index e5df3fce0008..5f28dfa14cee 100644 --- a/arch/arm64/include/asm/kvm_emulate.h +++ b/arch/arm64/include/asm/kvm_emulate.h @@ -41,6 +41,9 @@ void kvm_inject_undefined(struct kvm_vcpu *vcpu); void kvm_inject_vabt(struct kvm_vcpu *vcpu); void kvm_inject_dabt(struct kvm_vcpu *vcpu, unsigned long addr); void kvm_inject_pabt(struct kvm_vcpu *vcpu, unsigned long addr); +void kvm_inject_undef32(struct kvm_vcpu *vcpu); +void kvm_inject_dabt32(struct kvm_vcpu *vcpu, unsigned long addr); +void kvm_inject_pabt32(struct kvm_vcpu *vcpu, unsigned long addr); static inline void vcpu_reset_hcr(struct kvm_vcpu *vcpu) { @@ -237,7 +240,7 @@ static inline u8 kvm_vcpu_trap_get_fault_type(const struct kvm_vcpu *vcpu) static inline bool kvm_vcpu_dabt_isextabt(const struct kvm_vcpu *vcpu) { - switch (kvm_vcpu_trap_get_fault_type(vcpu)) { + switch (kvm_vcpu_trap_get_fault(vcpu)) { case FSC_SEA: case FSC_SEA_TTW0: case FSC_SEA_TTW1: diff --git a/arch/arm64/include/asm/kvm_hyp.h b/arch/arm64/include/asm/kvm_hyp.h index 4572a9b560fa..08d3bb66c8b7 100644 --- a/arch/arm64/include/asm/kvm_hyp.h +++ b/arch/arm64/include/asm/kvm_hyp.h @@ -129,8 +129,8 @@ void __vgic_v3_save_state(struct kvm_vcpu *vcpu); void __vgic_v3_restore_state(struct kvm_vcpu *vcpu); int __vgic_v3_perform_cpuif_access(struct kvm_vcpu *vcpu); -void __timer_save_state(struct kvm_vcpu *vcpu); -void __timer_restore_state(struct kvm_vcpu *vcpu); +void __timer_enable_traps(struct kvm_vcpu *vcpu); +void __timer_disable_traps(struct kvm_vcpu *vcpu); void __sysreg_save_host_state(struct kvm_cpu_context *ctxt); void __sysreg_restore_host_state(struct kvm_cpu_context *ctxt); diff --git a/arch/arm64/include/asm/timex.h b/arch/arm64/include/asm/timex.h index 81a076eb37fa..9ad60bae5c8d 100644 --- a/arch/arm64/include/asm/timex.h +++ b/arch/arm64/include/asm/timex.h @@ -22,7 +22,7 @@ * Use the current timer as a cycle counter since this is what we use for * the delay loop. */ -#define get_cycles() arch_counter_get_cntvct() +#define get_cycles() arch_timer_read_counter() #include <asm-generic/timex.h> diff --git a/arch/arm64/include/uapi/asm/kvm.h b/arch/arm64/include/uapi/asm/kvm.h index 51149ec75fe4..9abbf3044654 100644 --- a/arch/arm64/include/uapi/asm/kvm.h +++ b/arch/arm64/include/uapi/asm/kvm.h @@ -196,6 +196,12 @@ struct kvm_arch_memory_slot { #define ARM64_SYS_REG(...) (__ARM64_SYS_REG(__VA_ARGS__) | KVM_REG_SIZE_U64) +/* Physical Timer EL0 Registers */ +#define KVM_REG_ARM_PTIMER_CTL ARM64_SYS_REG(3, 3, 14, 2, 1) +#define KVM_REG_ARM_PTIMER_CVAL ARM64_SYS_REG(3, 3, 14, 2, 2) +#define KVM_REG_ARM_PTIMER_CNT ARM64_SYS_REG(3, 3, 14, 0, 1) + +/* EL0 Virtual Timer Registers */ #define KVM_REG_ARM_TIMER_CTL ARM64_SYS_REG(3, 3, 14, 3, 1) #define KVM_REG_ARM_TIMER_CNT ARM64_SYS_REG(3, 3, 14, 3, 2) #define KVM_REG_ARM_TIMER_CVAL ARM64_SYS_REG(3, 3, 14, 0, 2) @@ -228,6 +234,7 @@ struct kvm_arch_memory_slot { #define KVM_DEV_ARM_ITS_SAVE_TABLES 1 #define KVM_DEV_ARM_ITS_RESTORE_TABLES 2 #define KVM_DEV_ARM_VGIC_SAVE_PENDING_TABLES 3 +#define KVM_DEV_ARM_ITS_CTRL_RESET 4 /* Device Control API on vcpu fd */ #define KVM_ARM_VCPU_PMU_V3_CTRL 0 |