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authorDr. David Alan Gilbert <dgilbert@redhat.com>2015-11-05 18:11:07 +0000
committerJuan Quintela <quintela@redhat.com>2015-11-10 15:00:27 +0100
commit1e2d90ebc54531c416a6765849308c8476d98f2d (patch)
tree0ec1496a301ed1ec1121286966f1c8c3cf998857 /include/migration
parentb10ac0c42cef8829cd1461ce20f1869231b5f41f (diff)
Page request: Add MIG_RP_MSG_REQ_PAGES reverse command
Add MIG_RP_MSG_REQ_PAGES command on Return path for the postcopy destination to request a page from the source. Two versions exist: MIG_RP_MSG_REQ_PAGES_ID that includes a RAMBlock name and start/len MIG_RP_MSG_REQ_PAGES that just has start/len for use with the same RAMBlock as a previous MIG_RP_MSG_REQ_PAGES_ID Signed-off-by: Dr. David Alan Gilbert <dgilbert@redhat.com> Reviewed-by: Juan Quintela <quintela@redhat.com> Reviewed-by: Amit Shah <amit.shah@redhat.com> Signed-off-by: Juan Quintela <quintela@redhat.com>
Diffstat (limited to 'include/migration')
-rw-r--r--include/migration/migration.h5
1 files changed, 5 insertions, 0 deletions
diff --git a/include/migration/migration.h b/include/migration/migration.h
index ff13ff25af..1046d4e370 100644
--- a/include/migration/migration.h
+++ b/include/migration/migration.h
@@ -49,6 +49,9 @@ enum mig_rp_message_type {
MIG_RP_MSG_SHUT, /* sibling will not send any more RP messages */
MIG_RP_MSG_PONG, /* Response to a PING; data (seq: be32 ) */
+ MIG_RP_MSG_REQ_PAGES_ID, /* data (start: be64, len: be32, id: string) */
+ MIG_RP_MSG_REQ_PAGES, /* data (start: be64, len: be32) */
+
MIG_RP_MSG_MAX
};
@@ -256,6 +259,8 @@ void migrate_send_rp_shut(MigrationIncomingState *mis,
uint32_t value);
void migrate_send_rp_pong(MigrationIncomingState *mis,
uint32_t value);
+void migrate_send_rp_req_pages(MigrationIncomingState *mis, const char* rbname,
+ ram_addr_t start, size_t len);
void ram_control_before_iterate(QEMUFile *f, uint64_t flags);
void ram_control_after_iterate(QEMUFile *f, uint64_t flags);