include/migration/register.h

20  * struct SaveVMHandlers: handler structure to finely control
35      * to VMStateDescription.
37      * @f: QEMUFile where to send the data
38      * @opaque: data pointer passed to register_savevm_live()
45      * Called early, even before migration starts, and can be used to
48      * @opaque: data pointer passed to register_savevm_live()
49      * @errp: pointer to Error*, to store an error if it happens.
51      * Returns zero to indicate success and negative for error
61      * @f: QEMUFile where to send the data
62      * @opaque: data pointer passed to register_savevm_live()
63      * @errp: pointer to Error*, to store an error if it happens.
65      * Returns zero to indicate success and negative for error
76      * @opaque: data pointer passed to register_savevm_live()
85      * @f: QEMUFile where to send the data
86      * @opaque: data pointer passed to register_savevm_live()
88      * Returns zero to indicate success and negative for error
101      * @f: QEMUFile where to send the data
102      * @opaque: data pointer passed to register_savevm_live()
104      * Returns zero to indicate success and negative for error
113      * in order to perform asynchronous transmission of the remaining data in
120      * and opaque data pointer passed to register_savevm_live().
121      * @errp: pointer to Error*, to store an error if it happens.
123      * Returns true to indicate success and false for errors.
134      * @opaque: data pointer passed to register_savevm_live()
145      * @opaque: data pointer passed to register_savevm_live()
158      * to be handled by qemu_savevm_state_setup() and
162      * @opaque: data pointer passed to register_savevm_live()
170      * use data that is local to the migration thread or protected
178      * bandwidth limits tell it to stop. Each call generates one
181      * @f: QEMUFile where to send the data
182      * @opaque: data pointer passed to register_savevm_live()
184      * Returns 0 to indicate that there is still more data to send,
185      *         1 that there is no more data to send and
186      *         negative to indicate an error.
196      * to postcopy (before VM stopped).
198      * @f:      QEMUFile where to send the data
199      * @opaque: Data pointer passed to register_savevm_live()
200      * @errp:   Error** used to report error message
210      * This estimates the remaining data to transfer
215      * @opaque: data pointer passed to register_savevm_live()
231      * This calculates the exact remaining data to transfer
236      * @opaque: data pointer passed to register_savevm_live()
256      * to VMStateDescription.
258      * @f: QEMUFile where to receive the data
259      * @opaque: data pointer passed to register_savevm_live()
262      * Returns zero to indicate success and negative for error
269      * Load device state buffer provided to qemu_loadvm_load_state_buffer().
271      * @opaque: data pointer passed to register_savevm_live()
272      * @buf: the data buffer to load
274      * @errp: pointer to Error*, to store an error if it happens.
276      * Returns true to indicate success and false for errors.
286      * @f: QEMUFile where to receive the data
287      * @opaque: data pointer passed to register_savevm_live()
288      * @errp: pointer to Error*, to store an error if it happens.
290      * Returns zero to indicate success and negative for error
301      * @opaque: data pointer passed to register_savevm_live()
303      * Returns zero to indicate success and negative for error
310      * Called when postcopy migration wants to resume from failure
313      * @opaque: data pointer passed to register_savevm_live()
315      * Returns zero to indicate success and negative for error
325      * @opaque: data pointer passed to register_savevm_live()
338      * @opaque: data pointer passed to register_savevm_live()
340      * Returns zero to indicate success and negative for error
352  * @opaque: data pointer passed to SaveVMHandlers handlers
365  * @opaque: data pointer passed to register_savevm_live()