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target/riscv/kvm/kvm-cpu.c: add missing property getters()
We got along without property getters in the KVM driver because we never needed them. But the incoming query-cpu-model-expansion API will use property getters and setters to retrieve the CPU characteristics. Add the missing getters for the KVM driver for both MISA and multi-letter extension properties. We're also adding an special getter for absent multi-letter properties that KVM doesn't implement that always return false. Signed-off-by: Daniel Henrique Barboza <dbarboza@ventanamicro.com> Reviewed-by: Alistair Francis <alistair.francis@wdc.com> Message-ID: <20231018195638.211151-2-dbarboza@ventanamicro.com> Signed-off-by: Alistair Francis <alistair.francis@wdc.com>
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@ -140,6 +140,19 @@ static KVMCPUConfig kvm_misa_ext_cfgs[] = {
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KVM_MISA_CFG(RVM, KVM_RISCV_ISA_EXT_M),
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};
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static void kvm_cpu_get_misa_ext_cfg(Object *obj, Visitor *v,
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const char *name,
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void *opaque, Error **errp)
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{
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KVMCPUConfig *misa_ext_cfg = opaque;
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target_ulong misa_bit = misa_ext_cfg->offset;
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RISCVCPU *cpu = RISCV_CPU(obj);
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CPURISCVState *env = &cpu->env;
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bool value = env->misa_ext_mask & misa_bit;
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visit_type_bool(v, name, &value, errp);
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}
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static void kvm_cpu_set_misa_ext_cfg(Object *obj, Visitor *v,
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const char *name,
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void *opaque, Error **errp)
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@ -244,6 +257,17 @@ static uint32_t kvm_cpu_cfg_get(RISCVCPU *cpu,
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return *ext_enabled;
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}
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static void kvm_cpu_get_multi_ext_cfg(Object *obj, Visitor *v,
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const char *name,
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void *opaque, Error **errp)
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{
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KVMCPUConfig *multi_ext_cfg = opaque;
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RISCVCPU *cpu = RISCV_CPU(obj);
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bool value = kvm_cpu_cfg_get(cpu, multi_ext_cfg);
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visit_type_bool(v, name, &value, errp);
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}
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static void kvm_cpu_set_multi_ext_cfg(Object *obj, Visitor *v,
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const char *name,
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void *opaque, Error **errp)
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@ -346,6 +370,15 @@ static void kvm_riscv_update_cpu_cfg_isa_ext(RISCVCPU *cpu, CPUState *cs)
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}
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}
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static void cpu_get_cfg_unavailable(Object *obj, Visitor *v,
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const char *name,
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void *opaque, Error **errp)
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{
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bool value = false;
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visit_type_bool(v, name, &value, errp);
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}
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static void cpu_set_cfg_unavailable(Object *obj, Visitor *v,
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const char *name,
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void *opaque, Error **errp)
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@ -376,7 +409,8 @@ static void riscv_cpu_add_kvm_unavail_prop(Object *obj, const char *prop_name)
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* to enable any of them.
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*/
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object_property_add(obj, prop_name, "bool",
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NULL, cpu_set_cfg_unavailable,
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cpu_get_cfg_unavailable,
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cpu_set_cfg_unavailable,
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NULL, (void *)prop_name);
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}
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@ -406,7 +440,7 @@ static void kvm_riscv_add_cpu_user_properties(Object *cpu_obj)
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misa_cfg->description = riscv_get_misa_ext_description(bit);
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object_property_add(cpu_obj, misa_cfg->name, "bool",
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NULL,
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kvm_cpu_get_misa_ext_cfg,
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kvm_cpu_set_misa_ext_cfg,
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NULL, misa_cfg);
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object_property_set_description(cpu_obj, misa_cfg->name,
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@ -422,7 +456,7 @@ static void kvm_riscv_add_cpu_user_properties(Object *cpu_obj)
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KVMCPUConfig *multi_cfg = &kvm_multi_ext_cfgs[i];
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object_property_add(cpu_obj, multi_cfg->name, "bool",
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NULL,
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kvm_cpu_get_multi_ext_cfg,
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kvm_cpu_set_multi_ext_cfg,
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NULL, multi_cfg);
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}
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