diff options
| author | Dr. David Alan Gilbert <dgilbert@redhat.com> | 2015-11-05 18:10:52 +0000 |
|---|---|---|
| committer | Juan Quintela <quintela@redhat.com> | 2015-11-10 15:00:26 +0100 |
| commit | 093e3c429693f87fb917424c637ad8f599bd9e67 (patch) | |
| tree | aee38b4124b9a52e7cafc9e048d94b6d57194bde /include/sysemu | |
| parent | 53dd370ced9b61a8113fc1c19ac8d61ca572a29c (diff) | |
Add wrappers and handlers for sending/receiving the postcopy-ram migration messages.
The state of the postcopy process is managed via a series of messages;
* Add wrappers and handlers for sending/receiving these messages
* Add state variable that track the current state of postcopy
Signed-off-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
Reviewed-by: Amit Shah <amit.shah@redhat.com>
Reviewed-by: Juan Quintela <quintela@redhat.com>
Signed-off-by: Juan Quintela <quintela@redhat.com>
Diffstat (limited to 'include/sysemu')
| -rw-r--r-- | include/sysemu/sysemu.h | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/include/sysemu/sysemu.h b/include/sysemu/sysemu.h index 70473f432a..6225e00af2 100644 --- a/include/sysemu/sysemu.h +++ b/include/sysemu/sysemu.h @@ -89,6 +89,16 @@ enum qemu_vm_cmd { MIG_CMD_INVALID = 0, /* Must be 0 */ MIG_CMD_OPEN_RETURN_PATH, /* Tell the dest to open the Return path */ MIG_CMD_PING, /* Request a PONG on the RP */ + + MIG_CMD_POSTCOPY_ADVISE, /* Prior to any page transfers, just + warn we might want to do PC */ + MIG_CMD_POSTCOPY_LISTEN, /* Start listening for incoming + pages as it's running. */ + MIG_CMD_POSTCOPY_RUN, /* Start execution */ + + MIG_CMD_POSTCOPY_RAM_DISCARD, /* A list of pages to discard that + were previously sent during + precopy but are dirty. */ MIG_CMD_MAX }; @@ -104,6 +114,15 @@ void qemu_savevm_command_send(QEMUFile *f, enum qemu_vm_cmd command, uint16_t len, uint8_t *data); void qemu_savevm_send_ping(QEMUFile *f, uint32_t value); void qemu_savevm_send_open_return_path(QEMUFile *f); +void qemu_savevm_send_postcopy_advise(QEMUFile *f); +void qemu_savevm_send_postcopy_listen(QEMUFile *f); +void qemu_savevm_send_postcopy_run(QEMUFile *f); + +void qemu_savevm_send_postcopy_ram_discard(QEMUFile *f, const char *name, + uint16_t len, + uint64_t *start_list, + uint64_t *length_list); + int qemu_loadvm_state(QEMUFile *f); typedef enum DisplayType |