From 8934643a0e2631d468940b05ae2332f219631d17 Mon Sep 17 00:00:00 2001 From: Markus Armbruster Date: Tue, 5 Mar 2024 15:59:17 +0100 Subject: [PATCH] target: Improve error reporting for CpuModelInfo member @props query-cpu-model-comparison, query-cpu-model-baseline, and query-cpu-model-expansion take CpuModelInfo arguments. Errors in @props members of these arguments are reported for 'props', without further context. For instance, s390x rejects {"execute": "query-cpu-model-comparison", "arguments": {"modela": {"name": "z13", "props": {}}, "modelb": {"name": "z14", "props": []}}} with {"error": {"class": "GenericError", "desc": "Invalid parameter type for 'props', expected: object"}} This is unusual; the common QAPI unmarshaling machinery would complain about 'modelb.props'. Our hand-written code to visit the @props member neglects to provide the context. Tweak it so it provides it. The command above now fails with {"error": {"class": "GenericError", "desc": "Invalid parameter type for 'modelb.props', expected: dict"}} Signed-off-by: Markus Armbruster Message-ID: <20240305145919.2186971-4-armbru@redhat.com> Acked-by: Daniel Henrique Barboza --- target/arm/arm-qmp-cmds.c | 2 +- target/i386/cpu-sysemu.c | 11 ++++++----- target/riscv/riscv-qmp-cmds.c | 6 ++++-- target/s390x/cpu_models_sysemu.c | 17 ++++++++++------- tests/qtest/arm-cpu-features.c | 5 +++-- 5 files changed, 24 insertions(+), 17 deletions(-) diff --git a/target/arm/arm-qmp-cmds.c b/target/arm/arm-qmp-cmds.c index f85576f13e..3cc8cc738b 100644 --- a/target/arm/arm-qmp-cmds.c +++ b/target/arm/arm-qmp-cmds.c @@ -157,7 +157,7 @@ CpuModelExpansionInfo *qmp_query_cpu_model_expansion(CpuModelExpansionType type, Error *err = NULL; visitor = qobject_input_visitor_new(model->props); - if (!visit_start_struct(visitor, "props", NULL, 0, errp)) { + if (!visit_start_struct(visitor, "model.props", NULL, 0, errp)) { visit_free(visitor); object_unref(obj); return NULL; diff --git a/target/i386/cpu-sysemu.c b/target/i386/cpu-sysemu.c index df91f97827..3f9093d285 100644 --- a/target/i386/cpu-sysemu.c +++ b/target/i386/cpu-sysemu.c @@ -130,14 +130,15 @@ static void x86_cpu_to_dict_full(X86CPU *cpu, QDict *props) } } -static void object_apply_props(Object *obj, QObject *props, Error **errp) +static void object_apply_props(Object *obj, QObject *props, + const char *props_arg_name, Error **errp) { Visitor *visitor; QDict *qdict; const QDictEntry *prop; visitor = qobject_input_visitor_new(props); - if (!visit_start_struct(visitor, "props", NULL, 0, errp)) { + if (!visit_start_struct(visitor, props_arg_name, NULL, 0, errp)) { visit_free(visitor); return; } @@ -158,7 +159,7 @@ out: /* Create X86CPU object according to model+props specification */ static X86CPU *x86_cpu_from_model(const char *model, QObject *props, - Error **errp) + const char *props_arg_name, Error **errp) { X86CPU *xc = NULL; X86CPUClass *xcc; @@ -172,7 +173,7 @@ static X86CPU *x86_cpu_from_model(const char *model, QObject *props, xc = X86_CPU(object_new_with_class(OBJECT_CLASS(xcc))); if (props) { - object_apply_props(OBJECT(xc), props, &err); + object_apply_props(OBJECT(xc), props, props_arg_name, &err); if (err) { goto out; } @@ -203,7 +204,7 @@ qmp_query_cpu_model_expansion(CpuModelExpansionType type, QDict *props = NULL; const char *base_name; - xc = x86_cpu_from_model(model->name, model->props, &err); + xc = x86_cpu_from_model(model->name, model->props, "model.props", &err); if (err) { goto out; } diff --git a/target/riscv/riscv-qmp-cmds.c b/target/riscv/riscv-qmp-cmds.c index d0360c0528..d363dc318d 100644 --- a/target/riscv/riscv-qmp-cmds.c +++ b/target/riscv/riscv-qmp-cmds.c @@ -128,6 +128,7 @@ static void riscv_obj_add_profiles_qdict(Object *obj, QDict *qdict_out) } static void riscv_cpuobj_validate_qdict_in(Object *obj, QObject *props, + const char *props_arg_name, Error **errp) { const QDict *qdict_in; @@ -136,7 +137,7 @@ static void riscv_cpuobj_validate_qdict_in(Object *obj, QObject *props, Error *local_err = NULL; visitor = qobject_input_visitor_new(props); - if (!visit_start_struct(visitor, "props", NULL, 0, &local_err)) { + if (!visit_start_struct(visitor, props_arg_name, NULL, 0, &local_err)) { goto err; } @@ -197,7 +198,8 @@ CpuModelExpansionInfo *qmp_query_cpu_model_expansion(CpuModelExpansionType type, } if (model->props) { - riscv_cpuobj_validate_qdict_in(obj, model->props, &local_err); + riscv_cpuobj_validate_qdict_in(obj, model->props, "model.props", + &local_err); if (local_err) { error_propagate(errp, local_err); object_unref(obj); diff --git a/target/s390x/cpu_models_sysemu.c b/target/s390x/cpu_models_sysemu.c index 53bce8adb2..2d99218069 100644 --- a/target/s390x/cpu_models_sysemu.c +++ b/target/s390x/cpu_models_sysemu.c @@ -97,7 +97,7 @@ CpuDefinitionInfoList *qmp_query_cpu_definitions(Error **errp) } static void cpu_model_from_info(S390CPUModel *model, const CpuModelInfo *info, - Error **errp) + const char *info_arg_name, Error **errp) { Error *err = NULL; const QDict *qdict; @@ -127,8 +127,11 @@ static void cpu_model_from_info(S390CPUModel *model, const CpuModelInfo *info, } if (info->props) { + g_autofree const char *props_name = g_strdup_printf("%s.props", + info_arg_name); + visitor = qobject_input_visitor_new(info->props); - if (!visit_start_struct(visitor, "props", NULL, 0, errp)) { + if (!visit_start_struct(visitor, props_name, NULL, 0, errp)) { visit_free(visitor); object_unref(obj); return; @@ -215,7 +218,7 @@ CpuModelExpansionInfo *qmp_query_cpu_model_expansion(CpuModelExpansionType type, bool delta_changes = false; /* convert it to our internal representation */ - cpu_model_from_info(&s390_model, model, &err); + cpu_model_from_info(&s390_model, model, "model", &err); if (err) { error_propagate(errp, err); return NULL; @@ -253,12 +256,12 @@ CpuModelCompareInfo *qmp_query_cpu_model_comparison(CpuModelInfo *infoa, S390CPUModel modela, modelb; /* convert both models to our internal representation */ - cpu_model_from_info(&modela, infoa, &err); + cpu_model_from_info(&modela, infoa, "modela", &err); if (err) { error_propagate(errp, err); return NULL; } - cpu_model_from_info(&modelb, infob, &err); + cpu_model_from_info(&modelb, infob, "modelb", &err); if (err) { error_propagate(errp, err); return NULL; @@ -330,13 +333,13 @@ CpuModelBaselineInfo *qmp_query_cpu_model_baseline(CpuModelInfo *infoa, uint8_t max_gen; /* convert both models to our internal representation */ - cpu_model_from_info(&modela, infoa, &err); + cpu_model_from_info(&modela, infoa, "modela", &err); if (err) { error_propagate(errp, err); return NULL; } - cpu_model_from_info(&modelb, infob, &err); + cpu_model_from_info(&modelb, infob, "modelb", &err); if (err) { error_propagate(errp, err); return NULL; diff --git a/tests/qtest/arm-cpu-features.c b/tests/qtest/arm-cpu-features.c index 1daceb2e31..9d6e6190d5 100644 --- a/tests/qtest/arm-cpu-features.c +++ b/tests/qtest/arm-cpu-features.c @@ -213,7 +213,8 @@ static void assert_bad_props(QTestState *qts, const char *cpu_type) error = resp_get_error(resp); g_assert(error); g_assert_cmpstr(error, ==, - "Invalid parameter type for 'props', expected: object"); + "Invalid parameter type for 'model.props'," + " expected: object"); qobject_unref(resp); } @@ -446,7 +447,7 @@ static void test_query_cpu_model_expansion(const void *data) assert_bad_props(qts, "max"); assert_error(qts, "foo", "The CPU type 'foo' is not a recognized " "ARM CPU type", NULL); - assert_error(qts, "max", "Parameter 'props.not-a-prop' is unexpected", + assert_error(qts, "max", "Parameter 'model.props.not-a-prop' is unexpected", "{ 'not-a-prop': false }"); assert_error(qts, "host", "The CPU type 'host' requires KVM", NULL); -- 2.11.4.GIT