Message ID | 1409126919-22233-9-git-send-email-tangchen@cn.fujitsu.com |
---|---|
State | New |
Headers | show |
On Wed, 27 Aug 2014 16:08:39 +0800 Tang Chen <tangchen@cn.fujitsu.com> wrote: > From: Hu Tao <hutao@cn.fujitsu.com> > > Implement find_peripheral_device() to find bus-less device, and call it in > qmp_device_del() so that device_del command will be able to remove memory > device. probably patch should go before 4/8 > > Signed-off-by: Hu Tao <hutao@cn.fujitsu.com> > Signed-off-by: Tang Chen <tangchen@cn.fujitsu.com> > --- > include/qom/object.h | 1 + > qdev-monitor.c | 23 +++++++++++++++++++++++ > qom/object.c | 2 +- > 3 files changed, 25 insertions(+), 1 deletion(-) > > diff --git a/include/qom/object.h b/include/qom/object.h > index 8a05a81..a352beb 100644 > --- a/include/qom/object.h > +++ b/include/qom/object.h > @@ -1300,5 +1300,6 @@ int object_child_foreach(Object *obj, int (*fn)(Object *child, void *opaque), > */ > Object *container_get(Object *root, const char *path); > > +bool object_property_is_child(ObjectProperty *prop); > > #endif > diff --git a/qdev-monitor.c b/qdev-monitor.c > index fb9ee24..effd928 100644 > --- a/qdev-monitor.c > +++ b/qdev-monitor.c > @@ -24,6 +24,7 @@ > #include "qmp-commands.h" > #include "sysemu/arch_init.h" > #include "qemu/config-file.h" > +#include "qom/object.h" > > /* > * Aliases were a bad idea from the start. Let's keep them > @@ -683,12 +684,34 @@ int do_device_add(Monitor *mon, const QDict *qdict, QObject **ret_data) > return 0; > } > > +static DeviceState *find_peripheral_device(const char *id) > +{ > + Object *peripheral = qdev_get_peripheral(); > + DeviceState *dev = NULL; > + ObjectProperty *prop; > + > + QTAILQ_FOREACH(prop, &peripheral->properties, node) { > + if (object_property_is_child(prop)) { > + dev = DEVICE(prop->opaque); > + if (!strcmp(dev->id, id)) { > + return dev; > + } > + } > + } It's not permitted to access internal fields of Object outside of object.c checkout usage of object_resolve_path()/object_resolve_path_type(), that's what you need to use. > + > + return NULL; > +} > + > void qmp_device_del(const char *id, Error **errp) > { > DeviceState *dev; > > dev = qdev_find_recursive(sysbus_get_default(), id); > if (!dev) { > + dev = find_peripheral_device(id); > + } > + > + if (!dev) { > error_set(errp, QERR_DEVICE_NOT_FOUND, id); > return; > } > diff --git a/qom/object.c b/qom/object.c > index 0e8267b..1183e5d 100644 > --- a/qom/object.c > +++ b/qom/object.c > @@ -351,7 +351,7 @@ void object_initialize(void *data, size_t size, const char *typename) > object_initialize_with_type(data, size, type); > } > > -static inline bool object_property_is_child(ObjectProperty *prop) > +bool object_property_is_child(ObjectProperty *prop) > { > return strstart(prop->type, "child<", NULL); > }
diff --git a/include/qom/object.h b/include/qom/object.h index 8a05a81..a352beb 100644 --- a/include/qom/object.h +++ b/include/qom/object.h @@ -1300,5 +1300,6 @@ int object_child_foreach(Object *obj, int (*fn)(Object *child, void *opaque), */ Object *container_get(Object *root, const char *path); +bool object_property_is_child(ObjectProperty *prop); #endif diff --git a/qdev-monitor.c b/qdev-monitor.c index fb9ee24..effd928 100644 --- a/qdev-monitor.c +++ b/qdev-monitor.c @@ -24,6 +24,7 @@ #include "qmp-commands.h" #include "sysemu/arch_init.h" #include "qemu/config-file.h" +#include "qom/object.h" /* * Aliases were a bad idea from the start. Let's keep them @@ -683,12 +684,34 @@ int do_device_add(Monitor *mon, const QDict *qdict, QObject **ret_data) return 0; } +static DeviceState *find_peripheral_device(const char *id) +{ + Object *peripheral = qdev_get_peripheral(); + DeviceState *dev = NULL; + ObjectProperty *prop; + + QTAILQ_FOREACH(prop, &peripheral->properties, node) { + if (object_property_is_child(prop)) { + dev = DEVICE(prop->opaque); + if (!strcmp(dev->id, id)) { + return dev; + } + } + } + + return NULL; +} + void qmp_device_del(const char *id, Error **errp) { DeviceState *dev; dev = qdev_find_recursive(sysbus_get_default(), id); if (!dev) { + dev = find_peripheral_device(id); + } + + if (!dev) { error_set(errp, QERR_DEVICE_NOT_FOUND, id); return; } diff --git a/qom/object.c b/qom/object.c index 0e8267b..1183e5d 100644 --- a/qom/object.c +++ b/qom/object.c @@ -351,7 +351,7 @@ void object_initialize(void *data, size_t size, const char *typename) object_initialize_with_type(data, size, type); } -static inline bool object_property_is_child(ObjectProperty *prop) +bool object_property_is_child(ObjectProperty *prop) { return strstart(prop->type, "child<", NULL); }