diff mbox series

[v5,24/36] vfio/migration: Multifd device state transfer - add support checking function

Message ID 8e7f0082551182e8372269e1eceae9ba4029a4a2.1739994627.git.maciej.szmigiero@oracle.com (mailing list archive)
State New
Headers show
Series Multifd | expand

Commit Message

Maciej S. Szmigiero Feb. 19, 2025, 8:34 p.m. UTC 
From: "Maciej S. Szmigiero" <maciej.szmigiero@oracle.com>

Add vfio_multifd_transfer_supported() function that tells whether the
multifd device state transfer is supported.

Signed-off-by: Maciej S. Szmigiero <maciej.szmigiero@oracle.com>
---
 hw/vfio/migration-multifd.c | 6 ++++++
 hw/vfio/migration-multifd.h | 2 ++
 2 files changed, 8 insertions(+)
diff mbox series

Patch

diff --git a/hw/vfio/migration-multifd.c b/hw/vfio/migration-multifd.c
index 760b110a39b9..7328ad8e925c 100644
--- a/hw/vfio/migration-multifd.c
+++ b/hw/vfio/migration-multifd.c
@@ -83,3 +83,9 @@  static VFIOStateBuffer *vfio_state_buffers_at(VFIOStateBuffers *bufs, guint idx)
 {
     return &g_array_index(bufs->array, VFIOStateBuffer, idx);
 }
+
+bool vfio_multifd_transfer_supported(void)
+{
+    return multifd_device_state_supported() &&
+        migrate_send_switchover_start();
+}
diff --git a/hw/vfio/migration-multifd.h b/hw/vfio/migration-multifd.h
index 64d117b27210..8fe004c1da81 100644
--- a/hw/vfio/migration-multifd.h
+++ b/hw/vfio/migration-multifd.h
@@ -12,4 +12,6 @@ 
 
 #include "hw/vfio/vfio-common.h"
 
+bool vfio_multifd_transfer_supported(void);
+
 #endif