migration/rdma: Create rdma_control_save_page()

The only user of ram_control_save_page() and save_page() hook was
rdma. Just move the function to rdma.c, rename it to
rdma_control_save_page().

Reviewed-by: Peter Xu <peterx@redhat.com>
Reviewed-by: Li Zhijian <lizhijian@fujitsu.com>
Signed-off-by: Juan Quintela <quintela@redhat.com>
Message-ID: <20231011203527.9061-7-quintela@redhat.com>

1 files changed, 18 insertions, 1 deletions

diff --git a/migration/rdma.c b/migration/rdma.c
index 0b1cb03b2b..f66bd939d7 100644
--- a/migration/rdma.c
+++ b/migration/rdma.c
@@ -3314,6 +3314,24 @@ err:
     return -1;
 }
 
+int rdma_control_save_page(QEMUFile *f, ram_addr_t block_offset,
+                           ram_addr_t offset, size_t size)
+{
+    if (!migrate_rdma()) {
+        return RAM_SAVE_CONTROL_NOT_SUPP;
+    }
+
+    int ret = qemu_rdma_save_page(f, block_offset, offset, size);
+
+    if (ret != RAM_SAVE_CONTROL_DELAYED &&
+        ret != RAM_SAVE_CONTROL_NOT_SUPP) {
+        if (ret < 0) {
+            qemu_file_set_error(f, ret);
+        }
+    }
+    return ret;
+}
+
 static void rdma_accept_incoming_migration(void *opaque);
 
 static void rdma_cm_poll_handler(void *opaque)
@@ -3989,7 +4007,6 @@ static const QEMUFileHooks rdma_read_hooks = {
 };
 
 static const QEMUFileHooks rdma_write_hooks = {
-    .save_page          = qemu_rdma_save_page,
 };