diff --git a/hmp-commands.hx b/hmp-commands.hx index f859f8d29f..0b1a4f778a 100644 --- a/hmp-commands.hx +++ b/hmp-commands.hx @@ -1778,6 +1778,8 @@ show qdev device model list show roms @item info tpm show the TPM device +@item info memory-devices +show the memory devices @end table ETEXI diff --git a/hmp.c b/hmp.c index 31fb6a15ca..63d76868b9 100644 --- a/hmp.c +++ b/hmp.c @@ -1720,3 +1720,41 @@ void hmp_info_memdev(Monitor *mon, const QDict *qdict) qapi_free_MemdevList(memdev_list); } + +void hmp_info_memory_devices(Monitor *mon, const QDict *qdict) +{ + Error *err = NULL; + MemoryDeviceInfoList *info_list = qmp_query_memory_devices(&err); + MemoryDeviceInfoList *info; + MemoryDeviceInfo *value; + PCDIMMDeviceInfo *di; + + for (info = info_list; info; info = info->next) { + value = info->value; + + if (value) { + switch (value->kind) { + case MEMORY_DEVICE_INFO_KIND_DIMM: + di = value->dimm; + + monitor_printf(mon, "Memory device [%s]: \"%s\"\n", + MemoryDeviceInfoKind_lookup[value->kind], + di->id ? di->id : ""); + monitor_printf(mon, " addr: 0x%" PRIx64 "\n", di->addr); + monitor_printf(mon, " slot: %" PRId64 "\n", di->slot); + monitor_printf(mon, " node: %" PRId64 "\n", di->node); + monitor_printf(mon, " size: %" PRIu64 "\n", di->size); + monitor_printf(mon, " memdev: %s\n", di->memdev); + monitor_printf(mon, " hotplugged: %s\n", + di->hotplugged ? "true" : "false"); + monitor_printf(mon, " hotpluggable: %s\n", + di->hotpluggable ? "true" : "false"); + break; + default: + break; + } + } + } + + qapi_free_MemoryDeviceInfoList(info_list); +} diff --git a/hmp.h b/hmp.h index 4fd3c4a901..4bb5dca45d 100644 --- a/hmp.h +++ b/hmp.h @@ -94,6 +94,7 @@ void hmp_cpu_add(Monitor *mon, const QDict *qdict); void hmp_object_add(Monitor *mon, const QDict *qdict); void hmp_object_del(Monitor *mon, const QDict *qdict); void hmp_info_memdev(Monitor *mon, const QDict *qdict); +void hmp_info_memory_devices(Monitor *mon, const QDict *qdict); void object_add_completion(ReadLineState *rs, int nb_args, const char *str); void object_del_completion(ReadLineState *rs, int nb_args, const char *str); void device_add_completion(ReadLineState *rs, int nb_args, const char *str); diff --git a/hw/virtio/virtio-balloon.c b/hw/virtio/virtio-balloon.c index 2c30b3d8bd..b5cf7cacc0 100644 --- a/hw/virtio/virtio-balloon.c +++ b/hw/virtio/virtio-balloon.c @@ -87,7 +87,7 @@ static void balloon_stats_destroy_timer(VirtIOBalloon *s) } } -static void balloon_stats_change_timer(VirtIOBalloon *s, int secs) +static void balloon_stats_change_timer(VirtIOBalloon *s, int64_t secs) { timer_mod(s->stats_timer, qemu_clock_get_ms(QEMU_CLOCK_VIRTUAL) + secs * 1000); } @@ -170,6 +170,11 @@ static void balloon_stats_set_poll_interval(Object *obj, struct Visitor *v, return; } + if (value > UINT_MAX) { + error_setg(errp, "timer value is too big"); + return; + } + if (value == s->stats_poll_interval) { return; } diff --git a/include/qapi/qmp/qerror.h b/include/qapi/qmp/qerror.h index 902d1a7a18..0ca6cbd0e6 100644 --- a/include/qapi/qmp/qerror.h +++ b/include/qapi/qmp/qerror.h @@ -154,16 +154,4 @@ void qerror_report_err(Error *err); #define QERR_UNSUPPORTED \ ERROR_CLASS_GENERIC_ERROR, "this feature or command is not currently supported" -#define QERR_SOCKET_CONNECT_FAILED \ - ERROR_CLASS_GENERIC_ERROR, "Failed to connect to socket" - -#define QERR_SOCKET_LISTEN_FAILED \ - ERROR_CLASS_GENERIC_ERROR, "Failed to set socket to listening mode" - -#define QERR_SOCKET_BIND_FAILED \ - ERROR_CLASS_GENERIC_ERROR, "Failed to bind socket" - -#define QERR_SOCKET_CREATE_FAILED \ - ERROR_CLASS_GENERIC_ERROR, "Failed to create socket" - #endif /* QERROR_H */ diff --git a/include/qapi/visitor-impl.h b/include/qapi/visitor-impl.h index ecc0183196..09bb0fd408 100644 --- a/include/qapi/visitor-impl.h +++ b/include/qapi/visitor-impl.h @@ -55,6 +55,8 @@ struct Visitor void (*type_int64)(Visitor *v, int64_t *obj, const char *name, Error **errp); /* visit_type_size() falls back to (*type_uint64)() if type_size is unset */ void (*type_size)(Visitor *v, uint64_t *obj, const char *name, Error **errp); + bool (*start_union)(Visitor *v, bool data_present, Error **errp); + void (*end_union)(Visitor *v, bool data_present, Error **errp); }; void input_type_enum(Visitor *v, int *obj, const char *strings[], diff --git a/include/qapi/visitor.h b/include/qapi/visitor.h index 4a0178fa46..5934f59ad8 100644 --- a/include/qapi/visitor.h +++ b/include/qapi/visitor.h @@ -58,5 +58,7 @@ void visit_type_size(Visitor *v, uint64_t *obj, const char *name, Error **errp); void visit_type_bool(Visitor *v, bool *obj, const char *name, Error **errp); void visit_type_str(Visitor *v, char **obj, const char *name, Error **errp); void visit_type_number(Visitor *v, double *obj, const char *name, Error **errp); +bool visit_start_union(Visitor *v, bool data_present, Error **errp); +void visit_end_union(Visitor *v, bool data_present, Error **errp); #endif diff --git a/monitor.c b/monitor.c index b96710e212..2d14f394d6 100644 --- a/monitor.c +++ b/monitor.c @@ -2921,6 +2921,13 @@ static mon_cmd_t info_cmds[] = { .help = "show memory backends", .mhandler.cmd = hmp_info_memdev, }, + { + .name = "memory-devices", + .args_type = "", + .params = "", + .help = "show memory devices", + .mhandler.cmd = hmp_info_memory_devices, + }, { .name = NULL, }, @@ -5249,6 +5256,7 @@ static void monitor_event(void *opaque, int event) monitor_printf(mon, "QEMU %s monitor - type 'help' for more " "information\n", QEMU_VERSION); if (!mon->mux_out) { + readline_restart(mon->rs); readline_show_prompt(mon->rs); } mon->reset_seen = 1; diff --git a/qapi/qapi-dealloc-visitor.c b/qapi/qapi-dealloc-visitor.c index dc53545fa5..a14a1c7146 100644 --- a/qapi/qapi-dealloc-visitor.c +++ b/qapi/qapi-dealloc-visitor.c @@ -162,6 +162,31 @@ static void qapi_dealloc_type_enum(Visitor *v, int *obj, const char *strings[], { } +/* If there's no data present, the dealloc visitor has nothing to free. + * Thus, indicate to visitor code that the subsequent union fields can + * be skipped. This is not an error condition, since the cleanup of the + * rest of an object can continue unhindered, so leave errp unset in + * these cases. + * + * NOTE: In cases where we're attempting to deallocate an object that + * may have missing fields, the field indicating the union type may + * be missing. In such a case, it's possible we don't have enough + * information to differentiate data_present == false from a case where + * data *is* present but happens to be a scalar with a value of 0. + * This is okay, since in the case of the dealloc visitor there's no + * work that needs to done in either situation. + * + * The current inability in QAPI code to more thoroughly verify a union + * type in such cases will likely need to be addressed if we wish to + * implement this interface for other types of visitors in the future, + * however. + */ +static bool qapi_dealloc_start_union(Visitor *v, bool data_present, + Error **errp) +{ + return data_present; +} + Visitor *qapi_dealloc_get_visitor(QapiDeallocVisitor *v) { return &v->visitor; @@ -191,6 +216,7 @@ QapiDeallocVisitor *qapi_dealloc_visitor_new(void) v->visitor.type_str = qapi_dealloc_type_str; v->visitor.type_number = qapi_dealloc_type_number; v->visitor.type_size = qapi_dealloc_type_size; + v->visitor.start_union = qapi_dealloc_start_union; QTAILQ_INIT(&v->stack); diff --git a/qapi/qapi-visit-core.c b/qapi/qapi-visit-core.c index 55f8d4068c..b66b93ae2b 100644 --- a/qapi/qapi-visit-core.c +++ b/qapi/qapi-visit-core.c @@ -58,6 +58,21 @@ void visit_end_list(Visitor *v, Error **errp) v->end_list(v, errp); } +bool visit_start_union(Visitor *v, bool data_present, Error **errp) +{ + if (v->start_union) { + return v->start_union(v, data_present, errp); + } + return true; +} + +void visit_end_union(Visitor *v, bool data_present, Error **errp) +{ + if (v->end_union) { + v->end_union(v, data_present, errp); + } +} + void visit_optional(Visitor *v, bool *present, const char *name, Error **errp) { diff --git a/scripts/qapi-visit.py b/scripts/qapi-visit.py index df9f7fb657..8f845a2b29 100644 --- a/scripts/qapi-visit.py +++ b/scripts/qapi-visit.py @@ -358,6 +358,9 @@ void visit_type_%(name)s(Visitor *m, %(name)s **obj, const char *name, Error **e if (err) { goto out_obj; } + if (!visit_start_union(m, !!(*obj)->data, &err) || err) { + goto out_obj; + } switch ((*obj)->kind) { ''', disc_type = disc_type, @@ -386,6 +389,9 @@ void visit_type_%(name)s(Visitor *m, %(name)s **obj, const char *name, Error **e out_obj: error_propagate(errp, err); err = NULL; + visit_end_union(m, !!(*obj)->data, &err); + error_propagate(errp, err); + err = NULL; } visit_end_struct(m, &err); out: diff --git a/tests/qapi-schema/qapi-schema-test.json b/tests/qapi-schema/qapi-schema-test.json index ab4d3d96b6..d43b5fd2e9 100644 --- a/tests/qapi-schema/qapi-schema-test.json +++ b/tests/qapi-schema/qapi-schema-test.json @@ -33,6 +33,9 @@ { 'type': 'UserDefB', 'data': { 'integer': 'int' } } +{ 'type': 'UserDefC', + 'data': { 'string1': 'str', 'string2': 'str' } } + { 'union': 'UserDefUnion', 'base': 'UserDefZero', 'data': { 'a' : 'UserDefA', 'b' : 'UserDefB' } } @@ -47,6 +50,13 @@ # FIXME generated struct UserDefFlatUnion has members for direct base # UserDefOne, but lacks members for indirect base UserDefZero +# this variant of UserDefFlatUnion defaults to a union that uses fields with +# allocated types to test corner cases in the cleanup/dealloc visitor +{ 'union': 'UserDefFlatUnion2', + 'base': 'UserDefUnionBase', + 'discriminator': 'enum1', + 'data': { 'value1' : 'UserDefC', 'value2' : 'UserDefB', 'value3' : 'UserDefA' } } + { 'union': 'UserDefAnonUnion', 'discriminator': {}, 'data': { 'uda': 'UserDefA', 's': 'str', 'i': 'int' } } diff --git a/tests/qapi-schema/qapi-schema-test.out b/tests/qapi-schema/qapi-schema-test.out index 95e989925b..08d7304dfa 100644 --- a/tests/qapi-schema/qapi-schema-test.out +++ b/tests/qapi-schema/qapi-schema-test.out @@ -6,9 +6,11 @@ OrderedDict([('type', 'UserDefNested'), ('data', OrderedDict([('string0', 'str'), ('dict1', OrderedDict([('string1', 'str'), ('dict2', OrderedDict([('userdef1', 'UserDefOne'), ('string2', 'str')])), ('*dict3', OrderedDict([('userdef2', 'UserDefOne'), ('string3', 'str')]))]))]))]), OrderedDict([('type', 'UserDefA'), ('data', OrderedDict([('boolean', 'bool')]))]), OrderedDict([('type', 'UserDefB'), ('data', OrderedDict([('integer', 'int')]))]), + OrderedDict([('type', 'UserDefC'), ('data', OrderedDict([('string1', 'str'), ('string2', 'str')]))]), OrderedDict([('union', 'UserDefUnion'), ('base', 'UserDefZero'), ('data', OrderedDict([('a', 'UserDefA'), ('b', 'UserDefB')]))]), OrderedDict([('type', 'UserDefUnionBase'), ('data', OrderedDict([('string', 'str'), ('enum1', 'EnumOne')]))]), OrderedDict([('union', 'UserDefFlatUnion'), ('base', 'UserDefUnionBase'), ('discriminator', 'enum1'), ('data', OrderedDict([('value1', 'UserDefA'), ('value2', 'UserDefB'), ('value3', 'UserDefB')]))]), + OrderedDict([('union', 'UserDefFlatUnion2'), ('base', 'UserDefUnionBase'), ('discriminator', 'enum1'), ('data', OrderedDict([('value1', 'UserDefC'), ('value2', 'UserDefB'), ('value3', 'UserDefA')]))]), OrderedDict([('union', 'UserDefAnonUnion'), ('discriminator', OrderedDict()), ('data', OrderedDict([('uda', 'UserDefA'), ('s', 'str'), ('i', 'int')]))]), OrderedDict([('union', 'UserDefNativeListUnion'), ('data', OrderedDict([('integer', ['int']), ('s8', ['int8']), ('s16', ['int16']), ('s32', ['int32']), ('s64', ['int64']), ('u8', ['uint8']), ('u16', ['uint16']), ('u32', ['uint32']), ('u64', ['uint64']), ('number', ['number']), ('boolean', ['bool']), ('string', ['str'])]))]), OrderedDict([('command', 'user_def_cmd'), ('data', OrderedDict())]), @@ -32,6 +34,7 @@ OrderedDict([('type', 'UserDefNested'), ('data', OrderedDict([('string0', 'str'), ('dict1', OrderedDict([('string1', 'str'), ('dict2', OrderedDict([('userdef1', 'UserDefOne'), ('string2', 'str')])), ('*dict3', OrderedDict([('userdef2', 'UserDefOne'), ('string3', 'str')]))]))]))]), OrderedDict([('type', 'UserDefA'), ('data', OrderedDict([('boolean', 'bool')]))]), OrderedDict([('type', 'UserDefB'), ('data', OrderedDict([('integer', 'int')]))]), + OrderedDict([('type', 'UserDefC'), ('data', OrderedDict([('string1', 'str'), ('string2', 'str')]))]), OrderedDict([('type', 'UserDefUnionBase'), ('data', OrderedDict([('string', 'str'), ('enum1', 'EnumOne')]))]), OrderedDict([('type', 'UserDefOptions'), ('data', OrderedDict([('*i64', ['int']), ('*u64', ['uint64']), ('*u16', ['uint16']), ('*i64x', 'int'), ('*u64x', 'uint64')]))]), OrderedDict([('type', 'EventStructOne'), ('data', OrderedDict([('struct1', 'UserDefOne'), ('string', 'str'), ('*enum2', 'EnumOne')]))])] diff --git a/tests/qemu-iotests/087 b/tests/qemu-iotests/087 index 82c56b1394..d7454d13da 100755 --- a/tests/qemu-iotests/087 +++ b/tests/qemu-iotests/087 @@ -218,6 +218,23 @@ run_qemu <ai_family, e->ai_socktype, e->ai_protocol); if (slisten < 0) { if (!e->ai_next) { - error_set_errno(errp, errno, QERR_SOCKET_CREATE_FAILED); + error_setg_errno(errp, errno, "Failed to create socket"); } continue; } @@ -183,7 +183,7 @@ int inet_listen_opts(QemuOpts *opts, int port_offset, Error **errp) } if (p == port_max) { if (!e->ai_next) { - error_set_errno(errp, errno, QERR_SOCKET_BIND_FAILED); + error_setg_errno(errp, errno, "Failed to bind socket"); } } } @@ -194,7 +194,7 @@ int inet_listen_opts(QemuOpts *opts, int port_offset, Error **errp) listen: if (listen(slisten,1) != 0) { - error_set_errno(errp, errno, QERR_SOCKET_LISTEN_FAILED); + error_setg_errno(errp, errno, "Failed to listen on socket"); closesocket(slisten); freeaddrinfo(res); return -1; @@ -281,7 +281,7 @@ static int inet_connect_addr(struct addrinfo *addr, bool *in_progress, sock = qemu_socket(addr->ai_family, addr->ai_socktype, addr->ai_protocol); if (sock < 0) { - error_set_errno(errp, errno, QERR_SOCKET_CREATE_FAILED); + error_setg_errno(errp, errno, "Failed to create socket"); return -1; } socket_set_fast_reuse(sock); @@ -302,7 +302,7 @@ static int inet_connect_addr(struct addrinfo *addr, bool *in_progress, connect_state); *in_progress = true; } else if (rc < 0) { - error_set_errno(errp, errno, QERR_SOCKET_CONNECT_FAILED); + error_setg_errno(errp, errno, "Failed to connect socket"); closesocket(sock); return -1; } @@ -466,20 +466,20 @@ int inet_dgram_opts(QemuOpts *opts, Error **errp) /* create socket */ sock = qemu_socket(peer->ai_family, peer->ai_socktype, peer->ai_protocol); if (sock < 0) { - error_set_errno(errp, errno, QERR_SOCKET_CREATE_FAILED); + error_setg_errno(errp, errno, "Failed to create socket"); goto err; } socket_set_fast_reuse(sock); /* bind socket */ if (bind(sock, local->ai_addr, local->ai_addrlen) < 0) { - error_set_errno(errp, errno, QERR_SOCKET_BIND_FAILED); + error_setg_errno(errp, errno, "Failed to bind socket"); goto err; } /* connect to peer */ if (connect(sock,peer->ai_addr,peer->ai_addrlen) < 0) { - error_set_errno(errp, errno, QERR_SOCKET_CONNECT_FAILED); + error_setg_errno(errp, errno, "Failed to connect socket"); goto err; } @@ -684,7 +684,7 @@ int unix_listen_opts(QemuOpts *opts, Error **errp) sock = qemu_socket(PF_UNIX, SOCK_STREAM, 0); if (sock < 0) { - error_set_errno(errp, errno, QERR_SOCKET_CREATE_FAILED); + error_setg_errno(errp, errno, "Failed to create socket"); return -1; } @@ -709,11 +709,11 @@ int unix_listen_opts(QemuOpts *opts, Error **errp) unlink(un.sun_path); if (bind(sock, (struct sockaddr*) &un, sizeof(un)) < 0) { - error_set_errno(errp, errno, QERR_SOCKET_BIND_FAILED); + error_setg_errno(errp, errno, "Failed to bind socket"); goto err; } if (listen(sock, 1) < 0) { - error_set_errno(errp, errno, QERR_SOCKET_LISTEN_FAILED); + error_setg_errno(errp, errno, "Failed to listen on socket"); goto err; } @@ -739,7 +739,7 @@ int unix_connect_opts(QemuOpts *opts, Error **errp, sock = qemu_socket(PF_UNIX, SOCK_STREAM, 0); if (sock < 0) { - error_set_errno(errp, errno, QERR_SOCKET_CREATE_FAILED); + error_setg_errno(errp, errno, "Failed to create socket"); return -1; } if (callback != NULL) { @@ -774,7 +774,7 @@ int unix_connect_opts(QemuOpts *opts, Error **errp, } if (rc < 0) { - error_set_errno(errp, -rc, QERR_SOCKET_CONNECT_FAILED); + error_setg_errno(errp, -rc, "Failed to connect socket"); close(sock); sock = -1; }