diff options
Diffstat (limited to 'include')
| -rw-r--r-- | include/hw/qdev-core.h | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/include/hw/qdev-core.h b/include/hw/qdev-core.h index 92c3d65208..98774e2835 100644 --- a/include/hw/qdev-core.h +++ b/include/hw/qdev-core.h @@ -193,6 +193,7 @@ struct DeviceState { int instance_id_alias; int alias_required_for_version; ResettableState reset; + GSList *unplug_blockers; }; struct DeviceListener { @@ -420,6 +421,34 @@ void qdev_machine_creation_done(void); bool qdev_machine_modified(void); /** + * qdev_add_unplug_blocker: Add an unplug blocker to a device + * + * @dev: Device to be blocked from unplug + * @reason: Reason for blocking + */ +void qdev_add_unplug_blocker(DeviceState *dev, Error *reason); + +/** + * qdev_del_unplug_blocker: Remove an unplug blocker from a device + * + * @dev: Device to be unblocked + * @reason: Pointer to the Error used with qdev_add_unplug_blocker. + * Used as a handle to lookup the blocker for deletion. + */ +void qdev_del_unplug_blocker(DeviceState *dev, Error *reason); + +/** + * qdev_unplug_blocked: Confirm if a device is blocked from unplug + * + * @dev: Device to be tested + * @reason: Returns one of the reasons why the device is blocked, + * if any + * + * Returns: true if device is blocked from unplug, false otherwise + */ +bool qdev_unplug_blocked(DeviceState *dev, Error **errp); + +/** * GpioPolarity: Polarity of a GPIO line * * GPIO lines use either positive (active-high) logic, |