From: "Maciej S. Szmigiero" <maciej.szmigi...@oracle.com>
Add vfio_multifd_transfer_supported() function that tells whether the
multifd device state transfer is supported.
Reviewed-by: Cédric Le Goater <c...@redhat.com>
Signed-off-by: Maciej S. Szmigiero <maciej.szmigi...@oracle.com>
---
hw/vfio/migration-multifd.c | 6 ++++++
hw/vfio/migration-multifd.h | 2 ++
2 files changed, 8 insertions(+)
diff --git a/hw/vfio/migration-multifd.c b/hw/vfio/migration-multifd.c
index fa594b33fdd1..79fae0b6296f 100644
--- a/hw/vfio/migration-multifd.c
+++ b/hw/vfio/migration-multifd.c
@@ -31,3 +31,9 @@ typedef struct VFIODeviceStatePacket {
uint32_t flags;
uint8_t data[0];
} QEMU_PACKED VFIODeviceStatePacket;
+
+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 5b221c6e16b0..1b60d5f67a1c 100644
--- a/hw/vfio/migration-multifd.h
+++ b/hw/vfio/migration-multifd.h
@@ -14,4 +14,6 @@
#include "hw/vfio/vfio-common.h"
+bool vfio_multifd_transfer_supported(void);
+
#endif
