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vfio/migration: Store VFIO migration flags in VFIOMigration

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VFIO migration flags are queried once in vfio_migration_init(). Store
them in VFIOMigration so they can be used later to check the device's
migration capabilities without re-querying them.

This will be used in the next patch to check if the device supports
precopy migration.

Signed-off-by: Avihai Horon <avihaih@nvidia.com>
Reviewed-by: Cédric Le Goater <clg@redhat.com>
Tested-by: YangHang Liu <yanghliu@redhat.com>
Acked-by: Alex Williamson <alex.williamson@redhat.com>
Signed-off-by: Cédric Le Goater <clg@redhat.com>
This commit is contained in:
Avihai Horon 2023-06-21 14:11:59 +03:00 committed by Cédric Le Goater
parent cf53efbbda
commit 6cd1fe1159
2 changed files with 2 additions and 0 deletions
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1
hw/vfio/migration.c
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@ -603,6 +603,7 @@ static int vfio_migration_init(VFIODevice *vbasedev)
migration->vbasedev = vbasedev;
migration->device_state = VFIO_DEVICE_STATE_RUNNING;
migration->data_fd = -1;
migration->mig_flags = mig_flags;
vbasedev->dirty_pages_supported = vfio_dma_logging_supported(vbasedev);

1
include/hw/vfio/vfio-common.h
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@ -66,6 +66,7 @@ typedef struct VFIOMigration {
int data_fd;
void *data_buffer;
size_t data_buffer_size;
uint64_t mig_flags;
} VFIOMigration;
typedef struct VFIOAddressSpace {