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vfio/migration: Refactor PRE_COPY and RUNNING state checks

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Move the PRE_COPY and RUNNING state checks to helper functions.

This is in preparation for adding P2P VFIO migration support, where
these helpers will also test for PRE_COPY_P2P and RUNNING_P2P states.

Signed-off-by: Joao Martins <joao.m.martins@oracle.com>
Signed-off-by: Avihai Horon <avihaih@nvidia.com>
Reviewed-by: Cédric Le Goater <clg@redhat.com>
Tested-by: YangHang Liu <yanghliu@redhat.com>
Signed-off-by: Cédric Le Goater <clg@redhat.com>
This commit is contained in:
Joao Martins 2023-08-02 11:14:47 +03:00 • committed by Cédric Le Goater
parent 02b2e25360
commit 3d4d0f0e06
3 changed files with 24 additions and 10 deletions
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22
hw/vfio/common.c
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@ -437,6 +437,20 @@ static void vfio_set_migration_error(int err)
}
}
bool vfio_device_state_is_running(VFIODevice *vbasedev)
{
VFIOMigration *migration = vbasedev->migration;
return migration->device_state == VFIO_DEVICE_STATE_RUNNING;
}
bool vfio_device_state_is_precopy(VFIODevice *vbasedev)
{
VFIOMigration *migration = vbasedev->migration;
return migration->device_state == VFIO_DEVICE_STATE_PRE_COPY;
}
static bool vfio_devices_all_dirty_tracking(VFIOContainer *container)
{
VFIOGroup *group;
@ -457,8 +471,8 @@ static bool vfio_devices_all_dirty_tracking(VFIOContainer *container)
}
if (vbasedev->pre_copy_dirty_page_tracking == ON_OFF_AUTO_OFF &&
(migration->device_state == VFIO_DEVICE_STATE_RUNNING ||
migration->device_state == VFIO_DEVICE_STATE_PRE_COPY)) {
(vfio_device_state_is_running(vbasedev) ||
vfio_device_state_is_precopy(vbasedev))) {
return false;
}
}
@ -503,8 +517,8 @@ static bool vfio_devices_all_running_and_mig_active(VFIOContainer *container)
return false;
}
if (migration->device_state == VFIO_DEVICE_STATE_RUNNING ||
migration->device_state == VFIO_DEVICE_STATE_PRE_COPY) {
if (vfio_device_state_is_running(vbasedev) ||
vfio_device_state_is_precopy(vbasedev)) {
continue;
} else {
return false;