[PATCH v4 03/18] migration/rdma: create multifd_setup_ops for Tx/Rx thread

[Chuan Zheng <zhengchuan@huawei.com>]

Create multifd_setup_ops for TxRx thread, no logic change.

Signed-off-by: Chuan Zheng <zhengchuan@huawei.com>
---
 migration/multifd.c | 44 +++++++++++++++++++++++++++++++++++++++-----
 migration/multifd.h |  7 +++++++
 2 files changed, 46 insertions(+), 5 deletions(-)

diff --git a/migration/multifd.c b/migration/multifd.c
index 1a1e589..cb1fc01 100644
--- a/migration/multifd.c
+++ b/migration/multifd.c
@@ -386,6 +386,8 @@ struct {
     int exiting;
     /* multifd ops */
     MultiFDMethods *ops;
+    /* multifd setup ops */
+    MultiFDSetup *setup_ops;
 } *multifd_send_state;
 
 /*
@@ -805,8 +807,9 @@ static bool multifd_channel_connect(MultiFDSendParams *p,
         } else {
             /* update for tls qio channel */
             p->c = ioc;
-            qemu_thread_create(&p->thread, p->name, multifd_send_thread, p,
-                                   QEMU_THREAD_JOINABLE);
+            qemu_thread_create(&p->thread, p->name,
+                               multifd_send_state->setup_ops->send_thread,
+                               p, QEMU_THREAD_JOINABLE);
        }
        return false;
     }
@@ -854,6 +857,11 @@ cleanup:
     multifd_new_send_channel_cleanup(p, sioc, local_err);
 }
 
+static void multifd_send_channel_setup(MultiFDSendParams *p)
+{
+    socket_send_channel_create(multifd_new_send_channel_async, p);
+}
+
 int multifd_save_setup(Error **errp)
 {
     int thread_count;
@@ -871,6 +879,7 @@ int multifd_save_setup(Error **errp)
     multifd_send_state->pages = multifd_pages_init(page_count);
     qemu_sem_init(&multifd_send_state->channels_ready, 0);
     qatomic_set(&multifd_send_state->exiting, 0);
+    multifd_send_state->setup_ops = multifd_setup_ops_init();
     multifd_send_state->ops = multifd_ops[migrate_multifd_compression()];
 
     for (i = 0; i < thread_count; i++) {
@@ -890,7 +899,7 @@ int multifd_save_setup(Error **errp)
         p->packet->version = cpu_to_be32(MULTIFD_VERSION);
         p->name = g_strdup_printf("multifdsend_%d", i);
         p->tls_hostname = g_strdup(s->hostname);
-        socket_send_channel_create(multifd_new_send_channel_async, p);
+        multifd_send_state->setup_ops->send_channel_setup(p);
     }
 
     for (i = 0; i < thread_count; i++) {
@@ -917,6 +926,8 @@ struct {
     uint64_t packet_num;
     /* multifd ops */
     MultiFDMethods *ops;
+    /* multifd setup ops */
+    MultiFDSetup *setup_ops;
 } *multifd_recv_state;
 
 static void multifd_recv_terminate_threads(Error *err)
@@ -1117,6 +1128,7 @@ int multifd_load_setup(Error **errp)
     multifd_recv_state->params = g_new0(MultiFDRecvParams, thread_count);
     qatomic_set(&multifd_recv_state->count, 0);
     qemu_sem_init(&multifd_recv_state->sem_sync, 0);
+    multifd_recv_state->setup_ops = multifd_setup_ops_init();
     multifd_recv_state->ops = multifd_ops[migrate_multifd_compression()];
 
     for (i = 0; i < thread_count; i++) {
@@ -1195,9 +1207,31 @@ bool multifd_recv_new_channel(QIOChannel *ioc, Error **errp)
     p->num_packets = 1;
 
     p->running = true;
-    qemu_thread_create(&p->thread, p->name, multifd_recv_thread, p,
-                       QEMU_THREAD_JOINABLE);
+    multifd_recv_state->setup_ops->recv_channel_setup(ioc, p);
+    qemu_thread_create(&p->thread, p->name,
+                       multifd_recv_state->setup_ops->recv_thread,
+                       p, QEMU_THREAD_JOINABLE);
     qatomic_inc(&multifd_recv_state->count);
     return qatomic_read(&multifd_recv_state->count) ==
            migrate_multifd_channels();
 }
+
+static void multifd_recv_channel_setup(QIOChannel *ioc, MultiFDRecvParams *p)
+{
+    return;
+}
+
+static MultiFDSetup multifd_socket_ops = {
+    .send_thread = multifd_send_thread,
+    .recv_thread = multifd_recv_thread,
+    .send_channel_setup = multifd_send_channel_setup,
+    .recv_channel_setup = multifd_recv_channel_setup
+};
+
+MultiFDSetup *multifd_setup_ops_init(void)
+{
+    MultiFDSetup *ops;
+
+    ops = &multifd_socket_ops;
+    return ops;
+}
diff --git a/migration/multifd.h b/migration/multifd.h
index 8d6751f..1d2dc90 100644
--- a/migration/multifd.h
+++ b/migration/multifd.h
@@ -166,6 +166,13 @@ typedef struct {
     int (*recv_pages)(MultiFDRecvParams *p, uint32_t used, Error **errp);
 } MultiFDMethods;
 
+typedef struct {
+    void *(*send_thread)(void *opaque);
+    void *(*recv_thread)(void *opaque);
+    void (*send_channel_setup)(MultiFDSendParams *p);
+    void (*recv_channel_setup)(QIOChannel *ioc, MultiFDRecvParams *p);
+} MultiFDSetup;
+
 void multifd_register_ops(int method, MultiFDMethods *ops);
 
 #endif
-- 
1.8.3.1