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| author | Avihai Horon <avihaih@nvidia.com> | 2023-08-02 11:14:46 +0300 |
|---|---|---|
| committer | Cédric Le Goater <clg@redhat.com> | 2023-09-11 08:34:05 +0200 |
| commit | 02b2e25360ea1f10a337ddaf686eb770eebf59de (patch) | |
| tree | 76cbb8274dc91f1f46b286506ce42b57a8b8025f /hw | |
| parent | 9d3103c81be307b3953f7e3f53ed0f742e9d786c (diff) | |
| download | qemu-02b2e25360ea1f10a337ddaf686eb770eebf59de.zip qemu-02b2e25360ea1f10a337ddaf686eb770eebf59de.tar.gz qemu-02b2e25360ea1f10a337ddaf686eb770eebf59de.tar.bz2 | |
qdev: Add qdev_add_vm_change_state_handler_full()
Add qdev_add_vm_change_state_handler_full() variant that allows setting
a prepare callback in addition to the main callback.
This will facilitate adding P2P support for VFIO migration in the
following patches.
Signed-off-by: Avihai Horon <avihaih@nvidia.com>
Signed-off-by: Joao Martins <joao.m.martins@oracle.com>
Reviewed-by: Cédric Le Goater <clg@redhat.com>
Tested-by: YangHang Liu <yanghliu@redhat.com>
Signed-off-by: Cédric Le Goater <clg@redhat.com>
Diffstat (limited to 'hw')
| -rw-r--r-- | hw/core/vm-change-state-handler.c | 14 |
1 files changed, 13 insertions, 1 deletions
diff --git a/hw/core/vm-change-state-handler.c b/hw/core/vm-change-state-handler.c index 1f36309..8e26392 100644 --- a/hw/core/vm-change-state-handler.c +++ b/hw/core/vm-change-state-handler.c @@ -56,7 +56,19 @@ VMChangeStateEntry *qdev_add_vm_change_state_handler(DeviceState *dev, VMChangeStateHandler *cb, void *opaque) { + return qdev_add_vm_change_state_handler_full(dev, cb, NULL, opaque); +} + +/* + * Exactly like qdev_add_vm_change_state_handler() but passes a prepare_cb + * argument too. + */ +VMChangeStateEntry *qdev_add_vm_change_state_handler_full( + DeviceState *dev, VMChangeStateHandler *cb, + VMChangeStateHandler *prepare_cb, void *opaque) +{ int depth = qdev_get_dev_tree_depth(dev); - return qemu_add_vm_change_state_handler_prio(cb, opaque, depth); + return qemu_add_vm_change_state_handler_prio_full(cb, prepare_cb, opaque, + depth); } |