diff options
Diffstat (limited to 'arch/arm64/kvm/hyp/nvhe/psci-relay.c')
| -rw-r--r-- | arch/arm64/kvm/hyp/nvhe/psci-relay.c | 53 |
1 files changed, 40 insertions, 13 deletions
diff --git a/arch/arm64/kvm/hyp/nvhe/psci-relay.c b/arch/arm64/kvm/hyp/nvhe/psci-relay.c index 08dc9de69314..0d6f4aa39621 100644 --- a/arch/arm64/kvm/hyp/nvhe/psci-relay.c +++ b/arch/arm64/kvm/hyp/nvhe/psci-relay.c @@ -22,9 +22,8 @@ void kvm_hyp_cpu_resume(unsigned long r0); void __noreturn __host_enter(struct kvm_cpu_context *host_ctxt); /* Config options set by the host. */ -__ro_after_init u32 kvm_host_psci_version; -__ro_after_init struct psci_0_1_function_ids kvm_host_psci_0_1_function_ids; -__ro_after_init s64 hyp_physvirt_offset; +struct kvm_host_psci_config __ro_after_init kvm_host_psci_config; +s64 __ro_after_init hyp_physvirt_offset; #define __hyp_pa(x) ((phys_addr_t)((x)) + hyp_physvirt_offset) @@ -54,12 +53,41 @@ static u64 get_psci_func_id(struct kvm_cpu_context *host_ctxt) return func_id; } +static inline bool is_psci_0_1_function_enabled(unsigned int fn_bit) +{ + return kvm_host_psci_config.enabled_functions_0_1 & fn_bit; +} + +static inline bool is_psci_0_1_cpu_suspend(u64 func_id) +{ + return is_psci_0_1_function_enabled(KVM_HOST_PSCI_0_1_CPU_SUSPEND) && + (func_id == kvm_host_psci_config.function_ids_0_1.cpu_suspend); +} + +static inline bool is_psci_0_1_cpu_on(u64 func_id) +{ + return is_psci_0_1_function_enabled(KVM_HOST_PSCI_0_1_CPU_ON) && + (func_id == kvm_host_psci_config.function_ids_0_1.cpu_on); +} + +static inline bool is_psci_0_1_cpu_off(u64 func_id) +{ + return is_psci_0_1_function_enabled(KVM_HOST_PSCI_0_1_CPU_OFF) && + (func_id == kvm_host_psci_config.function_ids_0_1.cpu_off); +} + +static inline bool is_psci_0_1_migrate(u64 func_id) +{ + return is_psci_0_1_function_enabled(KVM_HOST_PSCI_0_1_MIGRATE) && + (func_id == kvm_host_psci_config.function_ids_0_1.migrate); +} + static bool is_psci_0_1_call(u64 func_id) { - return (func_id == kvm_host_psci_0_1_function_ids.cpu_suspend) || - (func_id == kvm_host_psci_0_1_function_ids.cpu_on) || - (func_id == kvm_host_psci_0_1_function_ids.cpu_off) || - (func_id == kvm_host_psci_0_1_function_ids.migrate); + return is_psci_0_1_cpu_suspend(func_id) || + is_psci_0_1_cpu_on(func_id) || + is_psci_0_1_cpu_off(func_id) || + is_psci_0_1_migrate(func_id); } static bool is_psci_0_2_call(u64 func_id) @@ -71,7 +99,7 @@ static bool is_psci_0_2_call(u64 func_id) static bool is_psci_call(u64 func_id) { - switch (kvm_host_psci_version) { + switch (kvm_host_psci_config.version) { case PSCI_VERSION(0, 1): return is_psci_0_1_call(func_id); default: @@ -248,12 +276,11 @@ asmlinkage void __noreturn kvm_host_psci_cpu_entry(bool is_cpu_on) static unsigned long psci_0_1_handler(u64 func_id, struct kvm_cpu_context *host_ctxt) { - if ((func_id == kvm_host_psci_0_1_function_ids.cpu_off) || - (func_id == kvm_host_psci_0_1_function_ids.migrate)) + if (is_psci_0_1_cpu_off(func_id) || is_psci_0_1_migrate(func_id)) return psci_forward(host_ctxt); - else if (func_id == kvm_host_psci_0_1_function_ids.cpu_on) + else if (is_psci_0_1_cpu_on(func_id)) return psci_cpu_on(func_id, host_ctxt); - else if (func_id == kvm_host_psci_0_1_function_ids.cpu_suspend) + else if (is_psci_0_1_cpu_suspend(func_id)) return psci_cpu_suspend(func_id, host_ctxt); else return PSCI_RET_NOT_SUPPORTED; @@ -304,7 +331,7 @@ bool kvm_host_psci_handler(struct kvm_cpu_context *host_ctxt) if (!is_psci_call(func_id)) return false; - switch (kvm_host_psci_version) { + switch (kvm_host_psci_config.version) { case PSCI_VERSION(0, 1): ret = psci_0_1_handler(func_id, host_ctxt); break; |