[v3,11/18] migration/rdma: record host_port for multifd RDMA

Commit Message

Zheng Chuan Oct. 17, 2020, 4:25 a.m. UTC

Signed-off-by: Chuan Zheng <[e-mail]>
---
 migration/migration.c | 1 +
 migration/migration.h | 3 +++
 migration/rdma.c      | 3 +++
 3 files changed, 7 insertions(+)

Patch

diff --git a/migration/migration.c b/migration/migration.c
index be6166a..7061410 100644
--- a/migration/migration.c
+++ b/migration/migration.c
@@ -1891,6 +1891,7 @@  void migrate_init(MigrationState *s)
     s->postcopy_after_devices = false;
     s->migration_thread_running = false;
     s->enabled_rdma_migration = false;
+    s->host_port = NULL;
     error_free(s->error);
     s->error = NULL;
     s->hostname = NULL;
diff --git a/migration/migration.h b/migration/migration.h
index e92eb29..fea63de 100644
--- a/migration/migration.h
+++ b/migration/migration.h
@@ -269,6 +269,9 @@  struct MigrationState
      * Enable RDMA migration
      */
     bool enabled_rdma_migration;
+
+    /* Need by Multi-RDMA */
+    char *host_port;
 };
 
 void migrate_set_state(int *state, int old_state, int new_state);
diff --git a/migration/rdma.c b/migration/rdma.c
index 63559f1..dd9f705 100644
--- a/migration/rdma.c
+++ b/migration/rdma.c
@@ -4206,6 +4206,8 @@  void rdma_start_outgoing_migration(void *opaque,
         goto err;
     }
 
+    s->host_port = g_strdup(host_port);
+
     ret = qemu_rdma_source_init(rdma,
         s->enabled_capabilities[MIGRATION_CAPABILITY_RDMA_PIN_ALL], errp);
 
@@ -4250,6 +4252,7 @@  void rdma_start_outgoing_migration(void *opaque,
 
     s->to_dst_file = qemu_fopen_rdma(rdma, "wb");
     migrate_fd_connect(s, NULL);
+    g_free(s->host_port);
     return;
 return_path_err:
     qemu_rdma_cleanup(rdma);