diff options
| author | Philippe Mathieu-Daudé <f4bug@amsat.org> | 2018-01-13 23:04:11 -0300 |
|---|---|---|
| committer | Michael Roth <mdroth@linux.vnet.ibm.com> | 2018-06-20 20:45:04 -0500 |
| commit | 18f59bbc7609d7c430ea389a3a3782dec27d1f05 (patch) | |
| tree | 0f9e14e9c957742aa68e759ce143b3d8b52c3e1b | |
| parent | 0db89523a6f43c2d1f7a5a6bef23e564bb59b0ec (diff) | |
qdev: add helpers to be more explicit when using abstract QOM parent functions
QOM API learning curve is quite hard, in particular when devices inherit from
abstract parent.
To be more explicit about when a device class change the parent hooks, add few
helpers hoping a device class_init() will be easier to understand.
Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Message-Id: <20180114020412.26160-3-f4bug@amsat.org>
Reviewed-by: Laurent Vivier <laurent@vivier.eu>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
(cherry picked from commit 46795cf2e2f643ace9454822022ba8b1e9c0cf61)
*prereq for 0c53057adb
Signed-off-by: Michael Roth <mdroth@linux.vnet.ibm.com>
| -rw-r--r-- | hw/core/qdev.c | 24 | ||||
| -rw-r--r-- | include/hw/qdev-core.h | 10 |
2 files changed, 34 insertions, 0 deletions
diff --git a/hw/core/qdev.c b/hw/core/qdev.c index 11112951a5..a71cd264e2 100644 --- a/hw/core/qdev.c +++ b/hw/core/qdev.c @@ -1140,6 +1140,30 @@ static void device_class_init(ObjectClass *class, void *data) dc->user_creatable = true; } +void device_class_set_parent_reset(DeviceClass *dc, + DeviceReset dev_reset, + DeviceReset *parent_reset) +{ + *parent_reset = dc->reset; + dc->reset = dev_reset; +} + +void device_class_set_parent_realize(DeviceClass *dc, + DeviceRealize dev_realize, + DeviceRealize *parent_realize) +{ + *parent_realize = dc->realize; + dc->realize = dev_realize; +} + +void device_class_set_parent_unrealize(DeviceClass *dc, + DeviceUnrealize dev_unrealize, + DeviceUnrealize *parent_unrealize) +{ + *parent_unrealize = dc->unrealize; + dc->unrealize = dev_unrealize; +} + void device_reset(DeviceState *dev) { DeviceClass *klass = DEVICE_GET_CLASS(dev); diff --git a/include/hw/qdev-core.h b/include/hw/qdev-core.h index 83db53b3f5..0fc53b33d0 100644 --- a/include/hw/qdev-core.h +++ b/include/hw/qdev-core.h @@ -381,6 +381,16 @@ void qdev_machine_init(void); */ void device_reset(DeviceState *dev); +void device_class_set_parent_reset(DeviceClass *dc, + DeviceReset dev_reset, + DeviceReset *parent_reset); +void device_class_set_parent_realize(DeviceClass *dc, + DeviceRealize dev_realize, + DeviceRealize *parent_realize); +void device_class_set_parent_unrealize(DeviceClass *dc, + DeviceUnrealize dev_unrealize, + DeviceUnrealize *parent_unrealize); + const struct VMStateDescription *qdev_get_vmsd(DeviceState *dev); const char *qdev_fw_name(DeviceState *dev); |