From: "Maciej S. Szmigiero" <maciej.szmigi...@oracle.com>
Add basic types and flags used by VFIO multifd device state transfer
support.
Signed-off-by: Maciej S. Szmigiero <maciej.szmigi...@oracle.com>
---
hw/vfio/migration.c | 10 ++++++++++
1 file changed, 10 insertions(+)
diff --git a/hw/vfio/migration.c b/hw/vfio/migration.c
index cbb1e0b6f852..715182c4f810 100644
--- a/hw/vfio/migration.c
+++ b/hw/vfio/migration.c
@@ -47,6 +47,7 @@
#define VFIO_MIG_FLAG_DEV_SETUP_STATE (0xffffffffef100003ULL)
#define VFIO_MIG_FLAG_DEV_DATA_STATE (0xffffffffef100004ULL)
#define VFIO_MIG_FLAG_DEV_INIT_DATA_SENT (0xffffffffef100005ULL)
+#define VFIO_MIG_FLAG_DEV_CONFIG_LOAD_READY (0xffffffffef100006ULL)
/*
* This is an arbitrary size based on migration of mlx5 devices, where
typically
@@ -55,6 +56,15 @@
*/
#define VFIO_MIG_DEFAULT_DATA_BUFFER_SIZE (1 * MiB)
+#define VFIO_DEVICE_STATE_CONFIG_STATE (1)
+
+typedef struct VFIODeviceStatePacket {
+ uint32_t version;
+ uint32_t idx;
+ uint32_t flags;
+ uint8_t data[0];
+} QEMU_PACKED VFIODeviceStatePacket;
+
static int64_t bytes_transferred;
static const char *mig_state_to_str(enum vfio_device_mig_state state)
