#include "monitor/qdev.h"
#include "qmp-commands.h"
#include "sysemu/arch_init.h"
+#include "qapi/qmp/qerror.h"
#include "qemu/config-file.h"
+#include "qemu/error-report.h"
/*
* Aliases were a bad idea from the start. Let's keep them
{ "virtio-serial-pci", "virtio-serial", QEMU_ARCH_ALL & ~QEMU_ARCH_S390X },
{ "virtio-balloon-pci", "virtio-balloon",
QEMU_ARCH_ALL & ~QEMU_ARCH_S390X },
- { "virtio-blk-s390", "virtio-blk", QEMU_ARCH_S390X },
- { "virtio-net-s390", "virtio-net", QEMU_ARCH_S390X },
- { "virtio-serial-s390", "virtio-serial", QEMU_ARCH_S390X },
+ { "virtio-blk-ccw", "virtio-blk", QEMU_ARCH_S390X },
+ { "virtio-net-ccw", "virtio-net", QEMU_ARCH_S390X },
+ { "virtio-serial-ccw", "virtio-serial", QEMU_ARCH_S390X },
{ "lsi53c895a", "lsi" },
{ "ich9-ahci", "ahci" },
{ "kvm-pci-assign", "pci-assign" },
g_slist_free(list);
}
-static int set_property(const char *name, const char *value, void *opaque)
+static int set_property(void *opaque, const char *name, const char *value,
+ Error **errp)
{
Object *obj = opaque;
Error *err = NULL;
object_property_parse(obj, value, name, &err);
if (err != NULL) {
- qerror_report_err(err);
- error_free(err);
+ error_propagate(errp, err);
return -1;
}
return 0;
return NULL;
}
+static DeviceClass *qdev_get_device_class(const char **driver, Error **errp)
+{
+ ObjectClass *oc;
+ DeviceClass *dc;
+
+ oc = object_class_by_name(*driver);
+ if (!oc) {
+ const char *typename = find_typename_by_alias(*driver);
+
+ if (typename) {
+ *driver = typename;
+ oc = object_class_by_name(*driver);
+ }
+ }
+
+ if (!object_class_dynamic_cast(oc, TYPE_DEVICE)) {
+ error_setg(errp, "'%s' is not a valid device model name", *driver);
+ return NULL;
+ }
+
+ if (object_class_is_abstract(oc)) {
+ error_setg(errp, QERR_INVALID_PARAMETER_VALUE, "driver",
+ "non-abstract device type");
+ return NULL;
+ }
+
+ dc = DEVICE_CLASS(oc);
+ if (dc->cannot_instantiate_with_device_add_yet ||
+ (qdev_hotplug && !dc->hotpluggable)) {
+ error_setg(errp, QERR_INVALID_PARAMETER_VALUE, "driver",
+ "pluggable device type");
+ return NULL;
+ }
+
+ return dc;
+}
+
+
int qdev_device_help(QemuOpts *opts)
{
Error *local_err = NULL;
return 0;
}
- if (!object_class_by_name(driver)) {
- const char *typename = find_typename_by_alias(driver);
-
- if (typename) {
- driver = typename;
- }
+ qdev_get_device_class(&driver, &local_err);
+ if (local_err) {
+ goto error;
}
prop_list = qmp_device_list_properties(driver, &local_err);
if (local_err) {
- error_printf("%s\n", error_get_pretty(local_err));
- error_free(local_err);
- return 1;
+ goto error;
}
for (prop = prop_list; prop; prop = prop->next) {
qapi_free_DevicePropertyInfoList(prop_list);
return 1;
+
+error:
+ error_printf("%s\n", error_get_pretty(local_err));
+ error_free(local_err);
+ return 1;
}
static Object *qdev_get_peripheral(void)
return dev;
}
+#if 0 /* conversion from qerror_report() to error_set() broke their use */
static void qbus_list_bus(DeviceState *dev)
{
BusState *child;
const char *sep = " ";
- error_printf("child busses at \"%s\":",
+ error_printf("child buses at \"%s\":",
dev->id ? dev->id : object_get_typename(OBJECT(dev)));
QLIST_FOREACH(child, &dev->child_bus, sibling) {
error_printf("%s\"%s\"", sep, child->name);
}
error_printf("\n");
}
+#endif
static BusState *qbus_find_bus(DeviceState *dev, char *elem)
{
return NULL;
}
+static inline bool qbus_is_full(BusState *bus)
+{
+ BusClass *bus_class = BUS_GET_CLASS(bus);
+ return bus_class->max_dev && bus->max_index >= bus_class->max_dev;
+}
+
+/*
+ * Search the tree rooted at @bus for a bus.
+ * If @name, search for a bus with that name. Note that bus names
+ * need not be unique. Yes, that's screwed up.
+ * Else search for a bus that is a subtype of @bus_typename.
+ * If more than one exists, prefer one that can take another device.
+ * Return the bus if found, else %NULL.
+ */
static BusState *qbus_find_recursive(BusState *bus, const char *name,
const char *bus_typename)
{
- BusClass *bus_class = BUS_GET_CLASS(bus);
BusChild *kid;
- BusState *child, *ret;
- int match = 1;
-
- if (name && (strcmp(bus->name, name) != 0)) {
- match = 0;
- } else if (bus_typename && !object_dynamic_cast(OBJECT(bus), bus_typename)) {
- match = 0;
- } else if ((bus_class->max_dev != 0) && (bus_class->max_dev <= bus->max_index)) {
- if (name != NULL) {
- /* bus was explicitly specified: return an error. */
- qerror_report(ERROR_CLASS_GENERIC_ERROR, "Bus '%s' is full",
- bus->name);
- return NULL;
- } else {
- /* bus was not specified: try to find another one. */
- match = 0;
- }
+ BusState *pick, *child, *ret;
+ bool match;
+
+ assert(name || bus_typename);
+ if (name) {
+ match = !strcmp(bus->name, name);
+ } else {
+ match = !!object_dynamic_cast(OBJECT(bus), bus_typename);
}
- if (match) {
- return bus;
+
+ if (match && !qbus_is_full(bus)) {
+ return bus; /* root matches and isn't full */
}
+ pick = match ? bus : NULL;
+
QTAILQ_FOREACH(kid, &bus->children, sibling) {
DeviceState *dev = kid->child;
QLIST_FOREACH(child, &dev->child_bus, sibling) {
ret = qbus_find_recursive(child, name, bus_typename);
- if (ret) {
- return ret;
+ if (ret && !qbus_is_full(ret)) {
+ return ret; /* a descendant matches and isn't full */
+ }
+ if (ret && !pick) {
+ pick = ret;
}
}
}
- return NULL;
+
+ /* root or a descendant matches, but is full */
+ return pick;
}
-static BusState *qbus_find(const char *path)
+static BusState *qbus_find(const char *path, Error **errp)
{
DeviceState *dev;
BusState *bus;
}
bus = qbus_find_recursive(sysbus_get_default(), elem, NULL);
if (!bus) {
- qerror_report(QERR_BUS_NOT_FOUND, elem);
+ error_setg(errp, "Bus '%s' not found", elem);
return NULL;
}
pos = len;
pos++;
}
if (path[pos] == '\0') {
- return bus;
+ break;
}
/* find device */
pos += len;
dev = qbus_find_dev(bus, elem);
if (!dev) {
- qerror_report(QERR_DEVICE_NOT_FOUND, elem);
+ error_set(errp, ERROR_CLASS_DEVICE_NOT_FOUND,
+ "Device '%s' not found", elem);
+#if 0 /* conversion from qerror_report() to error_set() broke this: */
if (!monitor_cur_is_qmp()) {
qbus_list_dev(bus);
}
+#endif
return NULL;
}
if (path[pos] == '\0') {
/* last specified element is a device. If it has exactly
* one child bus accept it nevertheless */
- switch (dev->num_child_bus) {
- case 0:
- qerror_report(ERROR_CLASS_GENERIC_ERROR,
- "Device '%s' has no child bus", elem);
- return NULL;
- case 1:
- return QLIST_FIRST(&dev->child_bus);
- default:
- qerror_report(ERROR_CLASS_GENERIC_ERROR,
- "Device '%s' has multiple child busses", elem);
+ if (dev->num_child_bus == 1) {
+ bus = QLIST_FIRST(&dev->child_bus);
+ break;
+ }
+ if (dev->num_child_bus) {
+ error_setg(errp, "Device '%s' has multiple child buses",
+ elem);
+#if 0 /* conversion from qerror_report() to error_set() broke this: */
if (!monitor_cur_is_qmp()) {
qbus_list_bus(dev);
}
- return NULL;
+#endif
+ } else {
+ error_setg(errp, "Device '%s' has no child bus", elem);
}
+ return NULL;
}
/* find bus */
pos += len;
bus = qbus_find_bus(dev, elem);
if (!bus) {
- qerror_report(QERR_BUS_NOT_FOUND, elem);
+ error_setg(errp, "Bus '%s' not found", elem);
+#if 0 /* conversion from qerror_report() to error_set() broke this: */
if (!monitor_cur_is_qmp()) {
qbus_list_bus(dev);
}
+#endif
return NULL;
}
}
+
+ if (qbus_is_full(bus)) {
+ error_setg(errp, "Bus '%s' is full", path);
+ return NULL;
+ }
+ return bus;
}
-DeviceState *qdev_device_add(QemuOpts *opts)
+DeviceState *qdev_device_add(QemuOpts *opts, Error **errp)
{
- ObjectClass *oc;
DeviceClass *dc;
const char *driver, *path, *id;
DeviceState *dev;
driver = qemu_opt_get(opts, "driver");
if (!driver) {
- qerror_report(QERR_MISSING_PARAMETER, "driver");
+ error_setg(errp, QERR_MISSING_PARAMETER, "driver");
return NULL;
}
/* find driver */
- oc = object_class_by_name(driver);
- if (!oc) {
- const char *typename = find_typename_by_alias(driver);
-
- if (typename) {
- driver = typename;
- oc = object_class_by_name(driver);
- }
- }
-
- if (!object_class_dynamic_cast(oc, TYPE_DEVICE)) {
- qerror_report(ERROR_CLASS_GENERIC_ERROR,
- "'%s' is not a valid device model name", driver);
- return NULL;
- }
-
- if (object_class_is_abstract(oc)) {
- qerror_report(QERR_INVALID_PARAMETER_VALUE, "driver",
- "non-abstract device type");
- return NULL;
- }
-
- dc = DEVICE_CLASS(oc);
- if (dc->cannot_instantiate_with_device_add_yet ||
- (qdev_hotplug && !dc->hotpluggable)) {
- qerror_report(QERR_INVALID_PARAMETER_VALUE, "driver",
- "pluggable device type");
+ dc = qdev_get_device_class(&driver, errp);
+ if (!dc) {
return NULL;
}
/* find bus */
path = qemu_opt_get(opts, "bus");
if (path != NULL) {
- bus = qbus_find(path);
+ bus = qbus_find(path, errp);
if (!bus) {
return NULL;
}
if (!object_dynamic_cast(OBJECT(bus), dc->bus_type)) {
- qerror_report(ERROR_CLASS_GENERIC_ERROR,
- "Device '%s' can't go on a %s bus",
- driver, object_get_typename(OBJECT(bus)));
+ error_setg(errp, "Device '%s' can't go on %s bus",
+ driver, object_get_typename(OBJECT(bus)));
return NULL;
}
} else if (dc->bus_type != NULL) {
bus = qbus_find_recursive(sysbus_get_default(), NULL, dc->bus_type);
- if (!bus) {
- qerror_report(ERROR_CLASS_GENERIC_ERROR,
- "No '%s' bus found for device '%s'",
- dc->bus_type, driver);
+ if (!bus || qbus_is_full(bus)) {
+ error_setg(errp, "No '%s' bus found for device '%s'",
+ dc->bus_type, driver);
return NULL;
}
}
if (qdev_hotplug && bus && !qbus_is_hotpluggable(bus)) {
- qerror_report(QERR_BUS_NO_HOTPLUG, bus->name);
+ error_setg(errp, QERR_BUS_NO_HOTPLUG, bus->name);
return NULL;
}
}
/* set properties */
- if (qemu_opt_foreach(opts, set_property, dev, 1) != 0) {
+ if (qemu_opt_foreach(opts, set_property, dev, &err)) {
+ error_propagate(errp, err);
object_unparent(OBJECT(dev));
object_unref(OBJECT(dev));
return NULL;
dev->opts = opts;
object_property_set_bool(OBJECT(dev), true, "realized", &err);
if (err != NULL) {
- qerror_report_err(err);
- error_free(err);
+ error_propagate(errp, err);
dev->opts = NULL;
object_unparent(OBJECT(dev));
object_unref(OBJECT(dev));
- qerror_report(QERR_DEVICE_INIT_FAILED, driver);
return NULL;
}
return dev;
}
#undef qdev_printf
-void do_info_qtree(Monitor *mon, const QDict *qdict)
+void hmp_info_qtree(Monitor *mon, const QDict *qdict)
{
if (sysbus_get_default())
qbus_print(mon, sysbus_get_default(), 0);
}
-void do_info_qdm(Monitor *mon, const QDict *qdict)
+void hmp_info_qdm(Monitor *mon, const QDict *qdict)
{
qdev_print_devinfos(true);
}
-int do_device_add(Monitor *mon, const QDict *qdict, QObject **ret_data)
+typedef struct QOMCompositionState {
+ Monitor *mon;
+ int indent;
+} QOMCompositionState;
+
+static void print_qom_composition(Monitor *mon, Object *obj, int indent);
+
+static int print_qom_composition_child(Object *obj, void *opaque)
+{
+ QOMCompositionState *s = opaque;
+
+ print_qom_composition(s->mon, obj, s->indent);
+
+ return 0;
+}
+
+static void print_qom_composition(Monitor *mon, Object *obj, int indent)
+{
+ QOMCompositionState s = {
+ .mon = mon,
+ .indent = indent + 2,
+ };
+ char *name;
+
+ if (obj == object_get_root()) {
+ name = g_strdup("");
+ } else {
+ name = object_get_canonical_path_component(obj);
+ }
+ monitor_printf(mon, "%*s/%s (%s)\n", indent, "", name,
+ object_get_typename(obj));
+ g_free(name);
+ object_child_foreach(obj, print_qom_composition_child, &s);
+}
+
+void hmp_info_qom_tree(Monitor *mon, const QDict *dict)
+{
+ const char *path = qdict_get_try_str(dict, "path");
+ Object *obj;
+ bool ambiguous = false;
+
+ if (path) {
+ obj = object_resolve_path(path, &ambiguous);
+ if (!obj) {
+ monitor_printf(mon, "Path '%s' could not be resolved.\n", path);
+ return;
+ }
+ if (ambiguous) {
+ monitor_printf(mon, "Warning: Path '%s' is ambiguous.\n", path);
+ return;
+ }
+ } else {
+ obj = qdev_get_machine();
+ }
+ print_qom_composition(mon, obj, 0);
+}
+
+void qmp_device_add(QDict *qdict, QObject **ret_data, Error **errp)
{
Error *local_err = NULL;
QemuOpts *opts;
opts = qemu_opts_from_qdict(qemu_find_opts("device"), qdict, &local_err);
if (local_err) {
- qerror_report_err(local_err);
- error_free(local_err);
- return -1;
+ error_propagate(errp, local_err);
+ return;
}
if (!monitor_cur_is_qmp() && qdev_device_help(opts)) {
qemu_opts_del(opts);
- return 0;
+ return;
}
- dev = qdev_device_add(opts);
+ dev = qdev_device_add(opts, &local_err);
if (!dev) {
+ error_propagate(errp, local_err);
qemu_opts_del(opts);
- return -1;
+ return;
}
object_unref(OBJECT(dev));
- return 0;
}
void qmp_device_del(const char *id, Error **errp)
g_free(path);
if (!obj) {
- error_set(errp, QERR_DEVICE_NOT_FOUND, id);
+ error_set(errp, ERROR_CLASS_DEVICE_NOT_FOUND,
+ "Device '%s' not found", id);
return;
}
QemuOpts *opts;
int rc, offset;
- rc = sscanf(str, "%63[^.].%63[^=]%n", driver, property, &offset);
- if (rc < 2 || str[offset] != '=') {
- error_report("can't parse: \"%s\"", str);
+ rc = sscanf(str, "%63[^.=].%63[^=]%n", driver, property, &offset);
+ if (rc == 2 && str[offset] == '=') {
+ opts = qemu_opts_create(&qemu_global_opts, NULL, 0, &error_abort);
+ qemu_opt_set(opts, "driver", driver, &error_abort);
+ qemu_opt_set(opts, "property", property, &error_abort);
+ qemu_opt_set(opts, "value", str + offset + 1, &error_abort);
+ return 0;
+ }
+
+ opts = qemu_opts_parse_noisily(&qemu_global_opts, str, false);
+ if (!opts) {
return -1;
}
- opts = qemu_opts_create(&qemu_global_opts, NULL, 0, &error_abort);
- qemu_opt_set(opts, "driver", driver);
- qemu_opt_set(opts, "property", property);
- qemu_opt_set(opts, "value", str+offset+1);
return 0;
}
projects / mirror_qemu.git / blobdiff