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migration: Add Error** argument to .load_setup() handler

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This will be useful to report errors at a higher level, mostly in VFIO
today.

Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Peter Xu <peterx@redhat.com>
Signed-off-by: Cédric Le Goater <clg@redhat.com>
Link: https://lore.kernel.org/r/20240320064911.545001-9-clg@redhat.com
[peterx: drop comment for ERRP_GUARD, per Markus]
Signed-off-by: Peter Xu <peterx@redhat.com>
This commit is contained in:
Cédric Le Goater 2024-03-20 07:49:04 +01:00 • committed by Peter Xu
parent 01c3ac681b
commit e4fa064d56
4 changed files with 18 additions and 8 deletions
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9
hw/vfio/migration.c
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@ -588,12 +588,17 @@ static void vfio_save_state(QEMUFile *f, void *opaque)
}
}
static int vfio_load_setup(QEMUFile *f, void *opaque)
static int vfio_load_setup(QEMUFile *f, void *opaque, Error **errp)
{
VFIODevice *vbasedev = opaque;
int ret;
return vfio_migration_set_state(vbasedev, VFIO_DEVICE_STATE_RESUMING,
ret = vfio_migration_set_state(vbasedev, VFIO_DEVICE_STATE_RESUMING,
vbasedev->migration->device_state);
if (ret) {
error_setg(errp, "%s: Failed to set RESUMING state", vbasedev->name);
}
return ret;
}
static int vfio_load_cleanup(void *opaque)